/* ============================================
   KELAJAK MUHANDISLARI - Components
   Professional UI Components
   ============================================ */

/* ============ LOADING SCREEN ============ */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: var(--z-loading);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-container {
    position: relative;
    width: 120px;
    height: 120px;
}

.loader-gear {
    position: absolute;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
}

.loader-gear-1 {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    animation: spin 1.5s linear infinite;
}

.loader-gear-2 {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    border-top-color: var(--accent);
    animation: spinReverse 1.2s linear infinite;
}

.loader-gear-3 {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    border-top-color: var(--secondary);
    border-right-color: var(--secondary);
    animation: spin 0.9s linear infinite;
}

.loader-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.75rem;
    color: var(--primary);
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-top: var(--space-8);
    color: var(--text-secondary);
    letter-spacing: var(--tracking-wide);
}

.loading-progress {
    width: 200px;
    height: 3px;
    background: var(--border-primary);
    border-radius: var(--radius-full);
    margin-top: var(--space-6);
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes spinReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.7; transform: translate(-50%, -50%) scale(0.95); }
}

/* ============ PREMIUM ICON BOX ============ */
/* Screenshot-inspired minimalist icon style with gradient border */
.premium-icon-box {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: transparent;
    transition: var(--transition-base);
}

.premium-icon-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: linear-gradient(
        135deg,
        rgba(99, 102, 241, 0.5) 0%,
        rgba(139, 92, 246, 0.4) 50%,
        rgba(59, 130, 246, 0.3) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: var(--transition-base);
}

.premium-icon-box .icon {
    width: 32px;
    height: 32px;
    color: #818cf8;
    transition: var(--transition-base);
}

/* Cyan variant */
.premium-icon-box.cyan::before {
    background: linear-gradient(
        135deg,
        rgba(34, 211, 238, 0.5) 0%,
        rgba(59, 130, 246, 0.4) 50%,
        rgba(99, 102, 241, 0.3) 100%
    );
}

.premium-icon-box.cyan .icon {
    color: #22d3ee;
}

/* Gold/amber variant */
.premium-icon-box.gold::before {
    background: linear-gradient(
        135deg,
        rgba(251, 191, 36, 0.5) 0%,
        rgba(245, 158, 11, 0.4) 50%,
        rgba(217, 119, 6, 0.3) 100%
    );
}

.premium-icon-box.gold .icon {
    color: #fbbf24;
}

/* Purple variant */
.premium-icon-box.purple::before {
    background: linear-gradient(
        135deg,
        rgba(168, 85, 247, 0.5) 0%,
        rgba(139, 92, 246, 0.4) 50%,
        rgba(124, 58, 237, 0.3) 100%
    );
}

.premium-icon-box.purple .icon {
    color: #a855f7;
}

/* Hover states */
.premium-icon-box:hover::before {
    background: linear-gradient(
        135deg,
        rgba(99, 102, 241, 0.7) 0%,
        rgba(139, 92, 246, 0.6) 50%,
        rgba(59, 130, 246, 0.5) 100%
    );
}

.premium-icon-box:hover .icon {
    transform: scale(1.08);
}

.premium-icon-box.cyan:hover::before {
    background: linear-gradient(
        135deg,
        rgba(34, 211, 238, 0.7) 0%,
        rgba(59, 130, 246, 0.6) 50%,
        rgba(99, 102, 241, 0.5) 100%
    );
}

.premium-icon-box.gold:hover::before {
    background: linear-gradient(
        135deg,
        rgba(251, 191, 36, 0.7) 0%,
        rgba(245, 158, 11, 0.6) 50%,
        rgba(217, 119, 6, 0.5) 100%
    );
}

.premium-icon-box.purple:hover::before {
    background: linear-gradient(
        135deg,
        rgba(168, 85, 247, 0.7) 0%,
        rgba(139, 92, 246, 0.6) 50%,
        rgba(124, 58, 237, 0.5) 100%
    );
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    z-index: var(--z-fixed);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(3, 7, 18, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Logo */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-blue);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.logo-icon-image {
    background: transparent;
}

.logo-icon-image::before {
    display: none;
}

.logo-icon-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: translateX(-100%);
    transition: var(--transition-slow);
}

.navbar-brand:hover .logo-icon::before {
    transform: translateX(100%);
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

.logo-text span {
    color: var(--primary);
    font-weight: var(--font-extrabold);
}

/* Nav Menu - Simplified */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-menu li {
    list-style: none;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: var(--transition-fast);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
}

.dropdown-toggle {
    gap: var(--space-1);
}

.dropdown-toggle::after {
    content: '';
    border: solid currentColor;
    border-width: 0 1.5px 1.5px 0;
    padding: 2.5px;
    transform: rotate(45deg);
    margin-top: -2px;
    transition: var(--transition-fast);
}

.nav-dropdown:hover .dropdown-toggle::after,
.nav-dropdown.open .dropdown-toggle::after {
    transform: rotate(-135deg);
    margin-top: 2px;
}

/* --- Shared dropdown/mega panel variables --- */
.dropdown-menu,
.mega-menu {
    --panel-bg: var(--bg-tertiary);
    --panel-border: var(--border-secondary);
    --panel-blur: 24px;
    --panel-radius: 14px;
    --panel-shadow: 0 16px 48px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    --panel-transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s ease;
    --panel-divider: rgba(255, 255, 255, 0.05);
    --item-font: 0.8rem;
    --item-lh: 1.35;
    --item-radius: 7px;
    --item-hover-bg: var(--primary-alpha, rgba(0, 122, 255, 0.06));
    --icon-size: 24px;
    --icon-radius: 6px;
    --icon-font: 0.62rem;
}

/* ============ DROPDOWN MENU ============ */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 200px;
    display: block;
    background: var(--panel-bg);
    backdrop-filter: blur(var(--panel-blur));
    -webkit-backdrop-filter: blur(var(--panel-blur));
    border: 1px solid var(--panel-border);
    border-radius: var(--panel-radius);
    padding: 5px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--panel-transition);
    box-shadow: var(--panel-shadow);
    overflow: hidden;
    z-index: 1000;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent, #60a5fa), var(--primary));
    opacity: 0.7;
    z-index: 1;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--item-radius);
    transition: all 0.2s ease;
    position: relative;
}

.dropdown-item + .dropdown-item {
    margin-top: 1px;
}

.dropdown-item:hover {
    background: var(--item-hover-bg);
    color: var(--text-primary);
}

.dropdown-item-icon {
    width: var(--icon-size);
    height: var(--icon-size);
    background: var(--primary-alpha, rgba(0, 122, 255, 0.08));
    border-radius: var(--icon-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: var(--icon-font);
    color: var(--primary);
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.dropdown-item:hover .dropdown-item-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.05);
}

.dropdown-item-text {
    flex: 1;
    min-width: 0;
}

.dropdown-item-title {
    font-weight: 400;
    font-size: var(--item-font);
    color: var(--text-primary);
    line-height: var(--item-lh);
}

.dropdown-item-desc {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 1px;
}

/* ============ MEGA MENU ============ */
.mega-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 780px;
    background: var(--panel-bg);
    backdrop-filter: blur(var(--panel-blur));
    -webkit-backdrop-filter: blur(var(--panel-blur));
    border: 1px solid var(--panel-border);
    border-radius: var(--panel-radius);
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--panel-transition);
    box-shadow: var(--panel-shadow);
    overflow: hidden;
    z-index: 1000;
}

.mega-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent, #60a5fa), var(--primary));
    opacity: 0.7;
    z-index: 1;
}

.nav-mega:hover .mega-menu,
.nav-mega.open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.nav-mega::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 12px;
}

.mega-menu-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 14px 0 10px;
}

.mega-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 16px;
    border-right: 1px solid var(--panel-divider);
}

.mega-col:last-child {
    border-right: none;
}

.mega-group {
    position: relative;
}

.mega-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 4px;
    padding: 0 4px 5px;
    border-bottom: none;
    position: relative;
}

.mega-group-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 4px;
    width: 20px;
    height: 1.5px;
    background: var(--primary);
    border-radius: 2px;
    opacity: 0.4;
    transition: all 0.2s ease;
}

.mega-group:hover .mega-group-title::after {
    width: 36px;
    opacity: 0.7;
}

.mega-group-title i {
    font-size: 0.6rem;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-alpha, rgba(0, 122, 255, 0.08));
    border-radius: 5px;
    color: var(--primary);
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.mega-group:hover .mega-group-title i {
    background: var(--primary);
    color: #fff;
    transform: scale(1.08);
}

.mega-group-items {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.mega-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px 4px 10px;
    font-size: var(--item-font);
    font-weight: 400;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-radius: var(--item-radius);
    position: relative;
    line-height: var(--item-lh);
}

.mega-link::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.2s ease;
    opacity: 0.4;
}

.mega-link:hover {
    color: var(--primary);
    background: var(--item-hover-bg);
}

.mega-link:hover::before {
    background: var(--primary);
    opacity: 1;
    box-shadow: 0 0 6px var(--primary);
    transform: scale(1.3);
}

.mega-link-soon {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
    font-style: italic;
}

.mega-link-soon::after {
    content: 'tez kunda';
    font-size: 0.58rem;
    font-style: normal;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-alpha, rgba(0, 122, 255, 0.08));
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: auto;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    opacity: 0.7;
}

.mega-footer {
    padding: 10px 16px;
    border-top: 1px solid var(--panel-divider);
    background: rgba(255, 255, 255, 0.015);
    text-align: center;
}

.mega-footer-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--item-font);
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 4px 14px;
    border-radius: var(--item-radius);
}

.mega-footer-link:hover {
    color: var(--text-primary);
    background: var(--item-hover-bg);
}

.mega-footer-link i {
    font-size: var(--icon-font);
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Language Selector - Compact */
.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: var(--transition-fast);
}

.language-btn:hover {
    border-color: var(--border-secondary);
    color: var(--text-primary);
    background: var(--bg-card);
}

.language-btn i {
    font-size: 0.65rem;
    transition: var(--transition-fast);
}

.language-selector:hover .language-btn i {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.language-option:hover,
.language-option.active {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.language-option.active {
    color: var(--primary);
}

.language-badge {
    width: 24px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: var(--font-bold);
    letter-spacing: 0.5px;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    border: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-alpha);
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(0, 102, 255, 0.35);
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(212, 175, 55, 0.35);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    cursor: pointer;
    z-index: 100;
}

.navbar-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-primary);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-alpha);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--space-6);
    transition: var(--transition-base);
}

.card:hover .card-icon {
    background: var(--gradient-blue);
    color: var(--text-primary);
    transform: scale(1.05);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.card-text {
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Card Variants */
.card-robotics .card-icon { background: rgba(0, 102, 255, 0.15); color: #0066FF; }
.card-ai .card-icon { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
.card-manufacturing .card-icon { background: rgba(212, 175, 55, 0.15); color: #D4AF37; }
.card-iot .card-icon { background: rgba(0, 163, 163, 0.15); color: #00A3A3; }
.card-energy .card-icon { background: rgba(16, 185, 129, 0.15); color: #10B981; }
.card-drone .card-icon { background: rgba(239, 68, 68, 0.15); color: #EF4444; }

.card-robotics:hover .card-icon { background: linear-gradient(135deg, #0052CC, #0066FF); }
.card-ai:hover .card-icon { background: linear-gradient(135deg, #7C3AED, #8B5CF6); }
.card-manufacturing:hover .card-icon { background: linear-gradient(135deg, #B8962E, #D4AF37); }
.card-iot:hover .card-icon { background: linear-gradient(135deg, #008282, #00A3A3); }
.card-energy:hover .card-icon { background: linear-gradient(135deg, #059669, #10B981); }
.card-drone:hover .card-icon { background: linear-gradient(135deg, #DC2626, #EF4444); }

/* ============ SECTION TITLES ============ */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-alpha);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-accent);
}

.section-badge i {
    font-size: var(--text-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: var(--font-extrabold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: var(--leading-tight);
}

.section-title-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

/* ============ MODALS ============ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    padding: 20px;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    display: block;
    background: #1e2538;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    z-index: 100000;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15), 0 0 80px rgba(37, 99, 235, 0.15);
    animation: modalSlideIn 0.3s ease forwards;
}

.modal.modal-lg {
    max-width: 560px;
    max-height: 90vh;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.modal-subtitle {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: 4px;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--error);
    color: var(--error);
}

.modal-body {
    padding: var(--space-6);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    font-family: var(--font-body);
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.form-input::placeholder {
    color: var(--text-disabled);
}

.form-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

.social-login {
    display: flex;
    gap: var(--space-3);
}

.social-btn {
    flex: 1;
    padding: var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.social-btn:hover {
    border-color: var(--border-secondary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.form-footer {
    text-align: center;
    margin-top: var(--space-6);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: var(--font-medium);
}

.form-footer a:hover {
    text-decoration: underline;
}

/* ============ PARTICLES ============ */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    max-width: 100vw;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
    animation: floatParticle 20s linear infinite;
    opacity: 0;
}

/* ============ SCROLL INDICATOR ============ */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
    cursor: pointer;
}

.scroll-indicator-inner {
    width: 26px;
    height: 42px;
    border: 2px solid var(--border-secondary);
    border-radius: 13px;
    position: relative;
}

.scroll-indicator-inner::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollDot {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.5; top: 20px; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    /* Mobile Navbar Layout - Logo LEFT, Actions RIGHT */
    .navbar-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .navbar-brand {
        flex-shrink: 0;
        margin-right: auto; /* Push everything else to the right */
    }

    .navbar-actions {
        flex-shrink: 0;
        margin-left: auto; /* Ensure actions stay on the right */
    }

    .navbar-menu {
        display: none;
    }

    .navbar-toggle {
        display: flex;
    }

    .navbar-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--navbar-height));
        background: var(--bg-secondary);
        padding: var(--space-6);
        gap: var(--space-2);
        animation: slideInDown 0.3s ease;
        overflow-y: auto;
    }

    .navbar-menu.active li {
        width: 100%;
    }

    .navbar-menu.active .nav-link {
        padding: var(--space-4);
        font-size: var(--text-base);
        width: 100%;
        justify-content: flex-start;
    }

    /* Mobile Dropdown & Mega — shared overrides */
    .dropdown-menu,
    .mega-menu {
        position: static;
        width: 100%;
        opacity: 0;
        visibility: hidden;
        transform: none;
        background: var(--bg-card);
        max-height: 0;
        overflow: hidden;
        pointer-events: none;
        transition: max-height 0.35s ease, opacity 0.2s ease;
        margin-top: var(--space-2);
        box-shadow: none;
        border: none;
        border-radius: var(--panel-radius);
    }

    .dropdown-menu::before,
    .mega-menu::before {
        display: none;
    }

    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown.open .dropdown-menu {
        transform: none;
        left: 0;
    }

    .nav-dropdown.open .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 400px;
        pointer-events: auto;
    }

    .nav-mega:hover .mega-menu,
    .nav-mega.open .mega-menu {
        transform: none;
        left: 0;
    }

    .nav-mega.open .mega-menu {
        opacity: 1;
        visibility: visible;
        max-height: 80vh;
        pointer-events: auto;
        overflow-y: auto;
    }

    /* Mobile dropdown items */
    .dropdown-item {
        padding: 10px 12px;
        border-radius: var(--item-radius);
    }

    .dropdown-item + .dropdown-item {
        margin-top: 1px;
    }

    .dropdown-item:hover .dropdown-item-icon {
        transform: none;
    }

    /* Mobile Mega Menu */
    .mega-menu-inner {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 6px;
    }

    .mega-col {
        border-right: none;
        padding: 0;
        gap: 0;
    }

    .mega-group {
        border-bottom: 1px solid var(--panel-divider);
    }

    .mega-group:last-child {
        border-bottom: none;
    }

    .mega-group-title {
        padding: 10px 12px;
        margin-bottom: 0;
        cursor: pointer;
        font-size: 0.78rem;
        border-radius: var(--item-radius);
        transition: var(--transition-fast);
    }

    .mega-group-title::after {
        content: '';
        position: static;
        width: auto;
        height: auto;
        background: none;
        border: solid var(--text-muted);
        border-width: 0 1.5px 1.5px 0;
        padding: 2.5px;
        transform: rotate(45deg);
        margin-left: auto;
        transition: var(--transition-fast);
        flex-shrink: 0;
        opacity: 1;
        border-radius: 0;
    }

    .mega-group:hover .mega-group-title::after {
        width: auto;
        opacity: 1;
    }

    .mega-group-title:hover,
    .mega-group-title:active {
        background: rgba(255, 255, 255, 0.03);
    }

    .mega-group.open .mega-group-title::after {
        transform: rotate(-135deg);
    }

    .mega-group.open .mega-group-title {
        color: var(--primary);
        background: var(--primary-alpha, rgba(0, 122, 255, 0.05));
    }

    .mega-group:hover .mega-group-title i {
        transform: none;
        background: var(--primary-alpha, rgba(0, 122, 255, 0.08));
        color: var(--primary);
    }

    .mega-group-items {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        padding-left: 8px;
        gap: 0;
    }

    .mega-group.open .mega-group-items {
        max-height: 400px;
    }

    .mega-link {
        padding: 8px 8px 8px 12px;
        font-size: var(--item-font);
    }

    .mega-link::before {
        width: 4px;
        height: 4px;
    }

    .mega-link-soon::after {
        font-size: 0.55rem;
        padding: 1px 5px;
    }

    .mega-footer {
        padding: 10px 12px;
        border-top: 1px solid var(--panel-divider);
        border-radius: 0 0 var(--panel-radius) var(--panel-radius);
    }

    .mega-footer-link {
        font-size: var(--item-font);
    }
}

@media (max-width: 768px) {
    .navbar-actions {
        gap: var(--space-2);
    }

    .btn-outline {
        display: none;
    }

    .language-btn span:not(.language-badge) {
        display: none;
    }

    .language-btn {
        padding: var(--space-2);
    }
}

@media (max-width: 520px) {
    .navbar-actions {
        gap: var(--space-1);
    }

    .navbar-actions .btn-primary {
        padding: 6px 10px;
        font-size: 0.72rem;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        flex-shrink: 0;
    }

    .navbar-actions {
        flex-shrink: 0;
        gap: 4px;
    }

    .logo-text {
        display: none;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .navbar-actions .btn-primary {
        padding: 5px 8px;
        font-size: 0.68rem;
    }
}

/* Very small screens - icon-only CTA */
@media (max-width: 360px) {
    .navbar-actions .btn-primary {
        padding: 6px 8px;
        font-size: 0.65rem;
        white-space: nowrap;
    }

    .navbar-actions {
        gap: 3px;
    }

    .language-btn {
        padding: var(--space-1);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ BACK TO TOP BUTTON ============ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.back-to-top::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--radius-full);
}

.back-to-top .icon {
    width: 22px;
    height: 22px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, color 0.3s ease;
}

/* Progress ring around button */
.back-to-top-progress {
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    background: conic-gradient(
        var(--primary) calc(var(--scroll-progress, 0) * 1%),
        transparent calc(var(--scroll-progress, 0) * 1%)
    );
    z-index: -1;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

/* Visible state */
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Hover state */
.back-to-top:hover {
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-primary), var(--glow-primary);
}

.back-to-top:hover::before {
    opacity: 1;
}

.back-to-top:hover .icon {
    transform: translateY(-2px);
    color: white;
}

.back-to-top:hover .back-to-top-progress {
    opacity: 0;
}

/* Active state */
.back-to-top:active {
    transform: translateY(-1px) scale(1);
}

/* Focus state for accessibility */
.back-to-top:focus {
    outline: none;
    box-shadow: var(--shadow-primary), 0 0 0 3px var(--primary-alpha);
}

/* Pulse animation on first appearance */
@keyframes backToTopPulse {
    0%, 100% {
        box-shadow: var(--shadow-lg);
    }
    50% {
        box-shadow: var(--shadow-lg), 0 0 20px rgba(37, 99, 235, 0.4);
    }
}

.back-to-top.visible.pulse {
    animation: backToTopPulse 2s ease-in-out;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 46px;
        height: 46px;
    }

    .back-to-top .icon {
        width: 20px;
        height: 20px;
    }
}

/* ============ REGISTRATION FORM STYLES ============ */

/* Large Modal */
.modal-lg {
    max-width: 560px !important;
    width: 95% !important;
    max-height: 90vh !important;
}

.modal-header-content {
    flex: 1;
}

.modal-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Form Progress Steps */
.form-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-primary);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-secondary);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.step-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--border-secondary);
    margin: 0 8px;
    margin-bottom: 22px;
    max-width: 60px;
    position: relative;
    overflow: hidden;
}

.progress-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-blue);
    transition: width 0.4s ease;
}

/* Active step */
.progress-step.active .step-number {
    background: var(--gradient-blue);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

.progress-step.active .step-label {
    color: var(--primary);
}

/* Completed step */
.progress-step.completed .step-number {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.progress-step.completed .step-label {
    color: var(--success);
}

.progress-step.completed + .progress-line::after {
    width: 100%;
}

/* Form Steps Container */
.form-step {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Radio Card Group */
.radio-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    text-align: center;
}

.radio-card-content .icon {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.radio-card-content span:last-child {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.radio-card input:checked + .radio-card-content {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
}

.radio-card input:checked + .radio-card-content .icon {
    color: var(--primary);
}

.radio-card input:checked + .radio-card-content span:last-child {
    color: var(--text-primary);
}

.radio-card:hover .radio-card-content {
    border-color: var(--primary-alpha);
    background: var(--bg-secondary);
}

/* Badge Selection Grid */
.badge-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.badge-select-card {
    cursor: pointer;
    position: relative;
}

.badge-select-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.badge-select-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    text-align: center;
}

.badge-select-content .badge {
    font-size: 0.7rem;
    padding: 4px 10px;
}

.badge-select-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.2;
    transition: color 0.3s ease;
}

.badge-select-card input:checked + .badge-select-content {
    background: rgba(37, 99, 235, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.badge-select-card input:checked + .badge-select-content .badge-select-label {
    color: var(--text-primary);
}

.badge-select-card:hover .badge-select-content {
    border-color: var(--primary-alpha);
    background: var(--bg-secondary);
}

.badge-select-card.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.badge-select-card.disabled .badge-select-content {
    background: var(--bg-primary);
}

/* Error state for badge selection */
#competition-badge-group.error .form-label {
    color: var(--error);
}

#competition-badge-group.error .badge-selection-grid {
    outline: 2px solid var(--error);
    outline-offset: 4px;
    border-radius: 8px;
}

#competition-badge-group.error .badge-select-content {
    border-color: rgba(239, 68, 68, 0.3);
}

@media (max-width: 768px) {
    .badge-selection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .badge-selection-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .badge-select-content {
        padding: 10px 6px;
    }

    .badge-select-label {
        font-size: 0.65rem;
    }
}

/* Custom Select Dropdown */
.custom-select {
    position: relative;
}

.custom-select select {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.select-trigger:hover {
    border-color: var(--primary-alpha);
}

.select-trigger.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.select-value {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.select-trigger.has-value .select-value {
    color: var(--text-primary);
}

.select-arrow {
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.custom-select.open .select-arrow {
    transform: rotate(180deg);
}

.custom-select.open .select-trigger {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.select-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    max-height: 280px;
    overflow: hidden;
}

.custom-select.open .select-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.select-search {
    padding: 12px;
    border-bottom: 1px solid var(--border-primary);
}

.select-search-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.select-search-input:focus {
    border-color: var(--primary);
}

.select-search-input::placeholder {
    color: var(--text-muted);
}

.select-options {
    max-height: 220px;
    overflow-y: auto;
    padding: 8px;
}

.select-option {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.select-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.select-option.selected {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary);
    font-weight: 500;
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s ease;
}

.input-with-icon .form-input {
    padding-left: 44px;
}

.input-with-icon .form-input:focus + .input-icon,
.input-with-icon:focus-within .input-icon {
    color: var(--primary);
}

/* Phone Input */
.phone-input-wrapper {
    display: flex;
    align-items: center;
}

.phone-prefix {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    pointer-events: none;
}

.phone-input {
    padding-left: 60px !important;
}

/* Form Hints */
.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Form Error */
.form-error {
    display: none;
    font-size: 0.8rem;
    color: var(--error);
    margin-top: 6px;
}

.form-group.error .form-error {
    display: block;
}

.form-group.error .form-input,
.form-group.error .select-trigger {
    border-color: var(--error) !important;
}

.form-group.error .form-hint {
    display: none;
}

/* Form Error Banner */
.form-error-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    color: var(--error, #ef4444);
    font-size: 0.875rem;
    margin-bottom: 16px;
    animation: errorShake 0.4s ease;
}

.form-error-banner.hidden {
    display: none;
}

.form-error-banner .icon {
    flex-shrink: 0;
    color: var(--error, #ef4444);
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* Submit Button Spinner */
.btn-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: btnSpin 0.6s linear infinite;
}

@keyframes btnSpin {
    to { transform: rotate(360deg); }
}

/* File Upload Area */
.file-upload-area {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: var(--primary, #3b82f6);
    background: rgba(59, 130, 246, 0.05);
}

.file-upload-hidden {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

.file-upload-icon {
    width: 36px;
    height: 36px;
    color: var(--text-muted);
    opacity: 0.6;
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.file-upload-text .upload-link {
    color: var(--primary, #3b82f6);
    text-decoration: underline;
    font-weight: 500;
}

.file-upload-formats {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

.file-upload-selected {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
}

.file-upload-selected.hidden {
    display: none;
}

.file-upload-selected .icon {
    color: var(--success, #22c55e);
    flex-shrink: 0;
}

.file-upload-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-upload-remove {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 4px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.file-upload-remove:hover {
    color: var(--error, #ef4444);
    background: rgba(239, 68, 68, 0.1);
}

.form-group.error .file-upload-area {
    border-color: var(--error, #ef4444);
}

/* Data Warning */
.form-warning {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 8px;
    margin-bottom: 16px;
}

.form-warning .icon {
    flex-shrink: 0;
    color: #f59e0b;
    margin-top: 1px;
}

.form-warning p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* SCO Badge */
.sco-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-radius: 4px;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.select-option .sco-badge {
    float: right;
    margin-top: 2px;
}

/* Required indicator */
.required {
    color: var(--error);
}

.required.hidden {
    display: none;
}

/* Checkbox Styles */
.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    transition: all 0.3s ease;
}

.checkbox-wrapper:hover {
    border-color: var(--primary-alpha);
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-top: 1px;
}

.checkbox-custom .icon {
    opacity: 0;
    color: white;
    transform: scale(0.5);
    transition: all 0.2s ease;
}

.checkbox-wrapper input:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-wrapper input:checked + .checkbox-custom .icon {
    opacity: 1;
    transform: scale(1);
}

.checkbox-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label .link {
    color: var(--primary);
    text-decoration: underline;
}

.checkbox-label .link:hover {
    color: var(--primary-light);
}

/* Form Navigation */
.form-navigation {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-primary);
}

.form-navigation .btn {
    flex: 1;
}

.form-navigation .btn-prev {
    flex: 0 0 auto;
    padding: 12px 20px;
}

.form-navigation .btn.hidden {
    display: none;
}

.form-navigation .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Registration Form Specific */
.registration-form .form-group {
    margin-bottom: 18px;
}

.registration-form .form-label {
    margin-bottom: 8px;
    font-weight: 500;
}

/* Date Input */
.date-input {
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 1px;
}

/* Mobile Responsive */
@media (max-width: 576px) {
    .modal-lg {
        max-width: 100% !important;
        margin: 10px;
        max-height: calc(100vh - 20px) !important;
    }

    .form-progress {
        padding: 12px 0;
        margin-bottom: 20px;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    .step-label {
        font-size: 0.7rem;
    }

    .progress-line {
        max-width: 40px;
        margin-bottom: 20px;
    }

    .radio-group {
        grid-template-columns: 1fr;
    }

    .radio-card-content {
        flex-direction: row;
        justify-content: center;
        padding: 12px;
    }

    .form-navigation {
        flex-wrap: wrap;
    }

    .form-navigation .btn-prev {
        flex: 0 0 100%;
        order: 2;
        margin-top: 8px;
    }

    .form-navigation .btn-next,
    .form-navigation .btn-submit {
        flex: 1;
        order: 1;
    }
}

/* Registration Success Message */
.registration-success {
    text-align: center;
    padding: 40px 20px;
}

.registration-success .success-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--success), #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3);
    animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.registration-success .success-icon .icon {
    width: 40px;
    height: 40px;
    color: white;
}

.registration-success h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.registration-success p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Registration Closed Warning */
.reg-closed-warning {
    display: none;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    color: #dc2626;
    font-size: 14px;
    line-height: 1.5;
    margin-top: 12px;
    animation: fadeIn 0.3s ease;
}

.reg-closed-warning i {
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Closed competition option in custom select */
.select-option-closed {
    opacity: 0.5;
    position: relative;
}

.select-option-closed:hover {
    background: rgba(239, 68, 68, 0.06) !important;
    color: #dc2626 !important;
}

.reg-closed-badge {
    display: inline-block;
    font-size: 0;
    width: 8px;
    height: 8px;
    background: #dc2626;
    border-radius: 50%;
    margin-left: 6px;
    vertical-align: middle;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   EXHIBITION MODAL
   ============================================ */

.modal.modal-xl {
    max-width: 800px;
    width: 95%;
}

.exhibition-modal {
    max-height: 92vh;
}

.exhibition-header {
    background: linear-gradient(135deg, rgba(0, 163, 163, 0.15) 0%, rgba(0, 82, 204, 0.1) 100%);
    border-bottom: 1px solid rgba(0, 163, 163, 0.2);
    padding: 24px 28px;
}

.exhibition-header-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--secondary-teal), #00d4aa);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 8px 24px rgba(0, 163, 163, 0.3);
}

.exhibition-header-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.exhibition-modal .modal-title {
    background: linear-gradient(135deg, #00d4aa, var(--secondary-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Exhibition Form Steps */
.exhibition-form .step-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-primary);
}

.exhibition-form .step-header h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.exhibition-form .step-header p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Exhibition Type Group */
.exhibition-type-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.exhibition-type-group .radio-card {
    padding: 16px;
}

.exhibition-type-group .radio-card-content {
    text-align: center;
}

.exhibition-type-group .radio-card-content small {
    display: block;
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Category Selection Grid */
.category-selection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.category-card {
    cursor: pointer;
}

.category-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.category-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
    text-align: center;
}

.category-card-content svg {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.category-card-content span {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

.category-card:hover .category-card-content {
    border-color: var(--secondary-teal);
    background: rgba(0, 163, 163, 0.05);
}

.category-card:hover .category-card-content svg {
    color: var(--secondary-teal);
}

.category-card input:checked + .category-card-content {
    border-color: var(--secondary-teal);
    background: rgba(0, 163, 163, 0.1);
    box-shadow: 0 0 0 3px rgba(0, 163, 163, 0.15);
}

.category-card input:checked + .category-card-content svg {
    color: var(--secondary-teal);
}

.category-card input:checked + .category-card-content span {
    color: var(--secondary-teal);
}

/* Textarea Wrapper */
.textarea-wrapper {
    position: relative;
}

.form-textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
    transition: all 0.2s ease;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--secondary-teal);
    box-shadow: 0 0 0 3px rgba(0, 163, 163, 0.1);
}

.char-counter {
    position: absolute;
    bottom: 10px;
    right: 12px;
    font-size: 11px;
    color: var(--text-tertiary);
    pointer-events: none;
}

/* Tags Input */
.tags-input-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 48px;
    align-items: center;
    transition: all 0.2s ease;
}

.tags-input-wrapper:focus-within {
    border-color: var(--secondary-teal);
    box-shadow: 0 0 0 3px rgba(0, 163, 163, 0.1);
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(0, 163, 163, 0.15);
    border: 1px solid rgba(0, 163, 163, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--secondary-teal);
}

.tag-item button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--text-tertiary);
    display: flex;
    transition: color 0.2s ease;
}

.tag-item button:hover {
    color: var(--error);
}

.tags-input {
    flex: 1;
    min-width: 120px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-sm);
    padding: 4px 0;
}

.tags-input:focus {
    outline: none;
}

/* File Upload Zone */
.file-upload-zone {
    border: 2px dashed var(--border-secondary);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
    border-color: var(--secondary-teal);
    background: rgba(0, 163, 163, 0.05);
}

.file-upload-zone.dragover {
    transform: scale(1.01);
}

.upload-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.upload-text {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.upload-link {
    color: var(--secondary-teal);
    font-weight: 500;
    cursor: pointer;
}

.upload-hint {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
}

/* File Preview Grid */
.file-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.file-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
}

.file-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-item .remove-file {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: rgba(239, 68, 68, 0.9);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-preview-item:hover .remove-file {
    opacity: 1;
}

/* File List */
.file-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.file-list-item .file-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(0, 82, 204, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-list-item .file-icon svg {
    width: 18px;
    height: 18px;
    color: var(--primary-blue);
}

.file-list-item .file-info {
    flex: 1;
    min-width: 0;
}

.file-list-item .file-name {
    font-size: var(--text-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-list-item .file-size {
    font-size: 11px;
    color: var(--text-tertiary);
}

.file-list-item .remove-file-btn {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.2s ease;
}

.file-list-item .remove-file-btn:hover {
    color: var(--error);
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

/* Application Summary */
.application-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.summary-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-primary);
}

.summary-section:last-child {
    border-bottom: none;
}

.summary-section h5 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--text-sm);
    color: var(--secondary-teal);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-section h5 svg {
    width: 18px;
    height: 18px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.summary-item.full-width {
    grid-column: span 2;
}

.summary-label {
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-value {
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.summary-description {
    margin-top: 12px;
}

.summary-description p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 4px;
}

.summary-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.summary-file-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-type-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    min-width: 80px;
}

/* Investment Interest Checkbox */
.investment-interest {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.04) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
}

.highlight-checkbox .checkbox-label strong {
    display: block;
    color: var(--accent-gold);
    margin-bottom: 2px;
}

.highlight-checkbox .checkbox-label small {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* Teal Button */
.btn-teal {
    background: linear-gradient(135deg, var(--secondary-teal), #00d4aa);
    color: white;
    border: none;
}

.btn-teal:hover {
    background: linear-gradient(135deg, #00b8b8, #00e5bb);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 163, 163, 0.35);
}

.btn-teal-outline {
    border-color: var(--secondary-teal);
    color: var(--secondary-teal);
}

.btn-teal-outline:hover {
    background: rgba(0, 163, 163, 0.1);
    border-color: var(--secondary-teal);
}

/* Button Spinner */
.btn .spinner {
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

/* Exhibition Modal Responsive */
@media (max-width: 768px) {
    .modal.modal-xl {
        max-width: 100%;
        margin: 10px;
        max-height: 95vh;
    }

    .exhibition-header {
        padding: 20px;
    }

    .exhibition-type-group {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .category-selection-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .summary-item.full-width {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .category-selection-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .category-card-content {
        padding: 12px 8px;
    }

    .category-card-content svg {
        width: 24px;
        height: 24px;
    }

    .file-preview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   HACKATHON APPLICATION MODAL
   ============================================ */

.hackathon-modal {
    max-height: 92vh;
}

.hackathon-header {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12) 0%, rgba(124, 58, 237, 0.08) 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    padding: 24px 28px;
}

.hackathon-header-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.hackathon-header-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.hackathon-modal .modal-title {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hackathon Form Steps */
.hackathon-form .step-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-primary);
}

.hackathon-form .step-header h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.hackathon-form .step-header p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Team Members */
.hk-team-members {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.hk-team-member-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: border-color 0.2s ease;
}

.hk-team-member-row:hover {
    border-color: rgba(0, 212, 255, 0.2);
}

.hk-member-fields {
    display: flex;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.hk-member-fields .hk-member-name {
    flex: 1;
    min-width: 0;
}

.hk-role-select {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hk-role-select select {
    width: 100%;
}

.hk-role-select .hk-member-role-custom {
    width: 100%;
}

.hk-remove-member {
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: #ef4444;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 4px;
    padding: 0;
}

.hk-remove-member:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

.hk-remove-member svg {
    width: 16px;
    height: 16px;
}

.hk-add-member {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #00d4ff;
    border-color: rgba(0, 212, 255, 0.2);
    cursor: pointer;
}

.hk-add-member:hover {
    background: rgba(0, 212, 255, 0.06);
    border-color: rgba(0, 212, 255, 0.35);
}

/* Social Links Row */
.hk-social-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Rating Circles */
.hk-rating-group {
    margin-bottom: 24px;
}

.hk-rating-circles {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hk-circle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-primary);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.hk-circle:hover {
    border-color: rgba(0, 212, 255, 0.4);
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.06);
}

.hk-circle.active {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 212, 255, 0.3);
}

/* Hackathon Summary overrides */
.hackathon-modal .summary-section h5 {
    color: #00d4ff;
}

/* Team Summary List */
.hk-sum-team-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hk-sum-team-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.08);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.hk-sum-team-item .member-num {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hk-sum-team-item .member-role {
    color: var(--text-tertiary);
    margin-left: auto;
    font-size: 0.8rem;
}

/* Form Success State */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success .success-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
    animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.form-success .success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Hackathon Navigation Buttons */
.form-navigation .btn-prev-hk {
    flex: 0 0 auto;
    padding: 12px 20px;
}

.form-navigation .btn-submit-hk {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    color: #0a0e17;
    border: none;
    font-weight: 700;
}

.form-navigation .btn-submit-hk:hover {
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-1px);
}

/* Hackathon Modal Responsive */
@media (max-width: 768px) {
    .hackathon-header {
        padding: 20px;
    }

    .hk-member-fields {
        flex-direction: column;
    }

    .hk-social-row {
        grid-template-columns: 1fr;
    }

    .hk-circle {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hk-rating-circles {
        gap: 6px;
    }

    .hk-circle {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
}

/* ============================================
   VIDEO MODAL
   ============================================ */

.video-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.video-modal-overlay.active {
    display: flex;
    animation: videoOverlayIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes videoOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes videoOverlayOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.video-modal {
    position: relative;
    width: 100%;
    max-width: 1000px;
    background: linear-gradient(145deg, rgba(17, 24, 39, 0.98), rgba(10, 14, 23, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(0, 82, 204, 0.2),
        0 25px 50px -12px rgba(0, 0, 0, 0.8),
        0 0 100px rgba(0, 82, 204, 0.15);
}

.video-modal-overlay.active .video-modal {
    animation: videoModalIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes videoModalIn {
    from { transform: scale(0.9) translateY(30px); }
    to { transform: scale(1) translateY(0); }
}

/* Close Button */
.video-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 100;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-modal-close svg {
    width: 20px;
    height: 20px;
}

.video-modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
    transform: rotate(90deg);
}

/* Video Container */
.video-modal-container {
    position: relative;
    padding: 20px;
}

/* Video Player Wrapper */
.video-player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(0, 82, 204, 0.3),
        0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #0a0e17;
}

/* Custom Play Overlay */
.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(
        135deg,
        rgba(0, 82, 204, 0.15) 0%,
        rgba(10, 14, 23, 0.9) 50%,
        rgba(246, 176, 66, 0.1) 100%
    );
    cursor: pointer;
    transition: all 0.4s ease;
}

.video-play-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.video-play-btn {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    box-shadow:
        0 0 0 0 rgba(0, 82, 204, 0.4),
        0 15px 35px rgba(0, 82, 204, 0.4);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: playPulse 2s ease-in-out infinite;
}

.video-play-btn svg {
    width: 36px;
    height: 36px;
    margin-left: 4px;
}

.video-play-btn:hover {
    transform: scale(1.1);
    box-shadow:
        0 0 0 15px rgba(0, 82, 204, 0.15),
        0 20px 45px rgba(0, 82, 204, 0.5);
}

@keyframes playPulse {
    0%, 100% {
        box-shadow:
            0 0 0 0 rgba(0, 82, 204, 0.4),
            0 15px 35px rgba(0, 82, 204, 0.4);
    }
    50% {
        box-shadow:
            0 0 0 20px rgba(0, 82, 204, 0),
            0 15px 35px rgba(0, 82, 204, 0.4);
    }
}

.video-play-text {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Loading State */
.video-loading {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: rgba(10, 14, 23, 0.95);
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.video-modal-overlay.active .video-loading.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.video-loading-spinner {
    position: relative;
    width: 70px;
    height: 70px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
}

.spinner-ring:nth-child(1) {
    border-top-color: var(--primary);
    animation: spinRing 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
    inset: 8px;
    border-right-color: var(--accent);
    animation: spinRing 1.5s linear infinite reverse;
}

.spinner-ring:nth-child(3) {
    inset: 16px;
    border-bottom-color: var(--secondary);
    animation: spinRing 1s linear infinite;
}

@keyframes spinRing {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.video-loading-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.video-loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.video-loading-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Video Info */
.video-info {
    padding: 20px 0 0;
    text-align: center;
}

.video-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.video-title .icon {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.video-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Decorative Glow */
.video-modal-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Video Button Trigger Style */
.btn-video-trigger {
    position: relative;
    overflow: hidden;
}

.btn-video-trigger::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-video-trigger:hover::before {
    transform: translateX(100%);
}

/* Responsive */
@media (max-width: 768px) {
    .video-modal-overlay {
        padding: 10px;
    }

    .video-modal {
        border-radius: 16px;
    }

    .video-modal-container {
        padding: 12px;
    }

    .video-player-wrapper {
        border-radius: 12px;
    }

    .video-modal-close {
        top: 8px;
        right: 8px;
        width: 36px;
        height: 36px;
    }

    .video-modal-close svg {
        width: 16px;
        height: 16px;
    }

    .video-play-btn {
        width: 70px;
        height: 70px;
    }

    .video-play-btn svg {
        width: 28px;
        height: 28px;
    }

    .video-play-text {
        font-size: 0.85rem;
    }

    .video-title {
        font-size: 1rem;
    }

    .video-description {
        font-size: 0.85rem;
    }

    .video-info {
        padding: 12px 0 0;
    }
}