/* ===== CSS Variables ===== */
:root {
    --color-primary: #3B82F6;
    --color-secondary: #8B5CF6;
    --color-accent: #06B6D4;
    --color-background: #0F0F1E;
    --color-surface: #1A1A2E;
    --color-foreground: #E4E4E7;
    --color-muted: #6B7280;
    --color-border: #2D2D40;
    --color-card: rgba(26, 26, 46, 0.6);
    --color-destructive: #EF4444;
    --font-heading: "Space Grotesk", sans-serif;
    --font-body: "Inter", sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --shadow-md: 0 4px 12px rgba(59, 130, 246, 0.15);
    --shadow-lg: 0 8px 24px rgba(59, 130, 246, 0.2);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--color-background);
    color: var(--color-foreground);
    line-height: 1.6;
    overflow-x: hidden;
}
#particleCanvas {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; opacity: 0.4;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-full);
    font-weight: 500; font-size: 0.95rem;
    transition: all var(--transition-base); cursor: pointer;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white; box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-secondary {
    background: rgba(255,255,255,0.05); color: var(--color-foreground);
    border: 1px solid var(--color-border); backdrop-filter: blur(10px);
}
.btn-secondary:hover { border-color: var(--color-primary); background: rgba(59,130,246,0.1); color: white; }
.btn-full { width: 100%; justify-content: center; }
.btn-nav { padding: 8px 16px; font-size: 0.85rem; }
.btn-nav-login { background: rgba(255,255,255,0.05); color: var(--color-foreground); border: 1px solid var(--color-border); }
.btn-nav-login:hover { border-color: var(--color-primary); color: white; }
.btn-nav-register {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white; margin-left: 8px; /* Text is already white */
}
.btn-nav-register:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-nav-user { background: rgba(59,130,246,0.15); color: var(--color-accent); border: 1px solid rgba(59,130,246,0.3); }
.btn-nav-logout { color: var(--color-muted); margin-left: 8px; }
.btn-nav-logout:hover { color: var(--color-destructive); }
.btn-submit { width: 100%; justify-content: center; padding: 16px; font-size: 1rem; }

/* ===== Logo ===== */
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem; color: white; }
.logo-text { font-size: 1.3rem; letter-spacing: -0.02em; }
.logo-svg { flex-shrink: 0; }

/* ===== Navigation ===== */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: all var(--transition-base);
}
.nav.scrolled {
    background: rgba(15,15,30,0.85); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border); padding: 12px 0;
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--color-muted); transition: color var(--transition-fast); }
.nav-links a:hover { color: white; }
.nav-spacer { width: 1px; height: 20px; background: var(--color-border); }
.nav-toggle {
    display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px;
}
.nav-toggle span { width: 24px; height: 2px; background: white; border-radius: 2px; transition: all var(--transition-base); }

/* Dropdown */
.nav-item { position: relative; }
.nav-item > a::after { content: ' ▾'; font-size: 0.7em; opacity: 0.6; }
.dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 180px;
    background: rgba(26,26,46,0.95); backdrop-filter: blur(20px);
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    padding: 8px; list-style: none; opacity: 0; visibility: hidden;
    transform: translateY(8px); transition: all var(--transition-base);
    box-shadow: var(--shadow-lg); z-index: 100;
}
.nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 10px 16px; font-size: 0.85rem; color: var(--color-muted); border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.dropdown-menu a:hover { color: white; background: rgba(59,130,246,0.15); }

/* ===== Hero Banner ===== */
.hero-banner { position: relative; height: 100vh; min-height: 600px; overflow: hidden; }
.hero-slider .slide { position: relative; height: 100vh; display: flex !important; align-items: center; }
.slide-bg {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    will-change: transform; animation: kenBurns 20s ease-in-out infinite alternate;
}
@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(-2%, -1%); }
}
.hero-slider .slick-active .slide-bg { animation: kenBurnsActive 12s ease-out forwards; }
@keyframes kenBurnsActive {
    0% { transform: scale(1.2) translate(2%, 1%); }
    100% { transform: scale(1) translate(0, 0); }
}
.slide-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(15,15,30,0.85) 0%, rgba(15,15,30,0.5) 50%, rgba(15,15,30,0.75) 100%);
}
.slide-content { position: relative; z-index: 2; max-width: 720px; padding: 0 24px; }
.slide-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3);
    border-radius: var(--radius-full); padding: 6px 16px;
    font-size: 0.85rem; color: var(--color-accent); margin-bottom: 24px;
}
.pulse-dot {
    width: 8px; height: 8px; background: var(--color-accent); border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.5); } }
.slide-title { font-size: 3.5rem; font-weight: 700; color: white; line-height: 1.15; margin-bottom: 20px; text-shadow: 0 2px 40px rgba(0,0,0,0.3); }
.slide-desc { font-size: 1.1rem; color: rgba(255,255,255,0.75); margin-bottom: 32px; line-height: 1.7; }
.slide-actions { display: flex; gap: 16px; margin-bottom: 48px; }
.slide-stats { display: flex; align-items: center; gap: 32px; }
.slide-stats .stat { display: flex; flex-direction: column; align-items: center; }
.slide-stats .stat-number { font-size: 1.75rem; font-weight: 700; color: white; font-family: var(--font-heading); }
.slide-stats .stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }
.hero-slider .slick-prev, .hero-slider .slick-next { z-index: 10; width: 48px; height: 48px; }
.hero-slider .slick-prev { left: 24px; }
.hero-slider .slick-next { right: 24px; }
.hero-slider .slick-prev:before, .hero-slider .slick-next:before { font-size: 24px; opacity: 0.7; }
.hero-slider .slick-dots { bottom: 32px; }
.hero-slider .slick-dots li button:before { color: rgba(255,255,255,0.4); font-size: 10px; }
.hero-slider .slick-dots li.slick-active button:before { color: var(--color-primary); opacity: 1; }

/* ===== Sections ===== */
.feature-section, .partners-section, .video-section, .about, .feedback { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
    display: inline-block; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.25);
    border-radius: var(--radius-full); padding: 4px 14px; font-size: 0.8rem;
    color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px;
}
.section-title { font-size: 2.25rem; color: white; margin-bottom: 12px; }
.section-desc { font-size: 1rem; color: var(--color-muted); max-width: 560px; margin: 0 auto; }

/* ===== Filter Tabs ===== */
.filter-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
    padding: 8px 20px; border-radius: var(--radius-full); font-size: 0.85rem;
    font-weight: 500; color: var(--color-muted); background: var(--color-card);
    border: 1px solid var(--color-border); transition: all var(--transition-fast); cursor: pointer;
}
.filter-btn:hover, .filter-btn.active { color: white; background: rgba(59,130,246,0.2); border-color: var(--color-primary); }

/* ===== Bento Grid ===== */
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }
.bento-card {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 28px; backdrop-filter: blur(12px);
    transition: all var(--transition-base); cursor: pointer; overflow: hidden; position: relative;
}
.bento-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0; transition: opacity var(--transition-base);
}

.bento-card-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    display: block;
}
.bento-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.3); box-shadow: var(--shadow-lg); }
.bento-card:hover::before { opacity: 1; }
.bento-card--large { grid-column: span 2; grid-row: span 2; }
.bento-card--wide { grid-column: span 2; }
.bento-card-icon { font-size: 2rem; margin-bottom: 16px; }
.bento-card h3 { font-size: 1.15rem; color: white; margin-bottom: 8px; }
.bento-card p { font-size: 0.85rem; color: var(--color-muted); line-height: 1.6; }

/* ===== Partners ===== */
.partners-section { padding: 60px 0; background: rgba(15,15,30,0.5); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.partners-track { display: flex; animation: scrollPartners 30s linear infinite; width: max-content; }
.partners-track:hover { animation-play-state: paused; }
@keyframes scrollPartners { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.partner-item { flex: 0 0 auto; width: 140px; }
.partner-logo {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 20px 16px; background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); transition: all var(--transition-base); cursor: pointer;
}
.partner-logo:hover { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.partner-icon { font-size: 2rem; }
.partner-name { font-size: 0.8rem; color: var(--color-muted); text-align: center; font-weight: 500; }
.partner-logo:hover .partner-name { color: var(--color-primary); }

/* ===== Video / Tech ===== */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.tech-stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tech-item {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 20px; text-align: center;
    transition: all var(--transition-base); cursor: default;
}
.tech-item:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.tech-icon { font-size: 1.5rem; display: block; margin-bottom: 8px; }
.tech-name { font-size: 0.9rem; font-weight: 600; color: white; display: block; margin-bottom: 4px; }
.tech-desc { font-size: 0.75rem; color: var(--color-muted); }
.video-visual { display: flex; justify-content: center; }
.video-card {
    position: relative; width: 100%; max-width: 480px; aspect-ratio: 16/9;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; transition: all var(--transition-base);
}
.video-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: scale(1.02); }
.video-card-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
    display: flex; align-items: center; justify-content: center;
}
.video-card-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 64px; height: 64px; background: rgba(59,130,246,0.9);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: white; z-index: 2; transition: all var(--transition-base);
}
.video-card:hover .video-card-icon { transform: translate(-50%,-50%) scale(1.1); box-shadow: 0 0 40px rgba(59,130,246,0.5); }
.video-card-label {
    position: absolute; bottom: 16px; left: 16px; right: 16px;
    font-size: 0.85rem; color: rgba(255,255,255,0.6); text-align: center; z-index: 2;
}

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-desc { color: var(--color-muted); line-height: 1.8; font-size: 0.95rem; }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-stat-card {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 24px; text-align: center;
    backdrop-filter: blur(12px); transition: all var(--transition-base);
}
.about-stat-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.about-stat-card:nth-child(2), .about-stat-card:nth-child(4) { transform: translateY(20px); }
.about-stat-card:nth-child(2):hover, .about-stat-card:nth-child(4):hover { transform: translateY(18px); }
.stat-icon { font-size: 1.5rem; margin-bottom: 8px; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: white; font-family: var(--font-heading); }
.stat-label { font-size: 0.8rem; color: var(--color-muted); margin-top: 4px; }
.about-highlight-card {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(12px);
}
.highlight-badge {
    display: inline-block; background: rgba(139,92,246,0.15); border: 1px solid rgba(139,92,246,0.3);
    border-radius: var(--radius-full); padding: 4px 14px; font-size: 0.8rem;
    color: var(--color-secondary); margin-bottom: 20px;
}
.highlight-list { list-style: none; }
.highlight-list li {
    padding: 10px 0; border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem; color: var(--color-muted); display: flex; align-items: center; gap: 10px;
}
.highlight-list li:last-child { border-bottom: none; }
.highlight-list li::before { content: '▸'; color: var(--color-primary); }

/* ===== Feedback ===== */
.feedback-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.feedback-form {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(12px);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--color-foreground); margin-bottom: 8px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; background: rgba(15,15,30,0.6);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    color: var(--color-foreground); font-family: var(--font-body); font-size: 0.9rem;
    transition: all var(--transition-fast);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit { width: 100%; justify-content: center; padding: 16px; font-size: 1rem; }
.spinner { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.feedback-info { display: flex; flex-direction: column; gap: 20px; }
.info-card {
    background: var(--color-card); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 24px;
    display: flex; align-items: flex-start; gap: 16px; backdrop-filter: blur(10px);
}
.info-icon { font-size: 1.5rem; }
.info-card h4 { font-size: 1rem; color: white; margin-bottom: 4px; }
.info-card p { font-size: 0.85rem; color: var(--color-muted); }
.quick-links { padding: 20px 24px; background: rgba(59,130,246,0.05); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.quick-links p { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 8px; }
.quick-links a { font-size: 0.9rem; color: var(--color-primary); font-weight: 500; }

/* ===== Footer ===== */
.footer { background: rgba(15,15,30,0.9); border-top: 1px solid var(--color-border); padding: 60px 0 40px; }
.footer-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-brand .logo { margin-bottom: 16px; color: white; }
.footer-brand p { font-size: 0.9rem; color: var(--color-muted); line-height: 1.8; }
.footer-links { display: flex; gap: 80px; }
.footer-col h4 { color: white; font-size: 0.9rem; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col a, .footer-col span { display: block; font-size: 0.9rem; color: var(--color-muted); margin-bottom: 10px; transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { text-align: center; font-size: 0.85rem; color: var(--color-muted); border-top: 1px solid var(--color-border); padding-top: 32px; }

/* ===== Animations ===== */
[data-animate] { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].animated { opacity: 1; transform: translateY(0); }
[data-animate="fade-left"] { transform: translateX(30px); }
[data-animate="fade-left"].animated { transform: translateX(0); }
[data-animate="fade-right"] { transform: translateX(-30px); }
[data-animate="fade-right"].animated { transform: translateX(0); }

/* ===== MODALS ===== */
.modal-overlay {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all var(--transition-base);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
    position: relative; background: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 40px; width: 100%; max-width: 420px;
    transform: translateY(20px) scale(0.95); transition: all var(--transition-base);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-close {
    position: absolute; top: 16px; right: 16px;
    width: 32px; height: 32px; border-radius: 50%;
    background: rgba(255,255,255,0.05); border: 1px solid var(--color-border);
    color: var(--color-muted); font-size: 1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-fast);
}
.modal-close:hover { background: rgba(239,68,68,0.15); color: var(--color-destructive); border-color: var(--color-destructive); }
.modal-header { text-align: center; margin-bottom: 28px; }
.modal-logo {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    margin-bottom: 16px; font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: white;
}
.modal-header h2 { font-size: 1.5rem; color: white; margin-bottom: 8px; }
.modal-subtitle { font-size: 0.9rem; color: var(--color-muted); }
.modal-form .form-group { margin-bottom: 16px; }
.modal-form .form-group label { font-size: 0.85rem; color: var(--color-foreground); margin-bottom: 6px; display: block; font-weight: 500; }
.modal-form .form-group input {
    width: 100%; padding: 12px 14px; background: rgba(15,15,30,0.8);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    color: var(--color-foreground); font-size: 0.9rem;
    transition: all var(--transition-fast);
}
.modal-form .form-group input:focus {
    outline: none; border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-options { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-size: 0.85rem; }
.checkbox-label { display: flex; align-items: center; gap: 6px; color: var(--color-muted); cursor: pointer; }
.checkbox-label input { accent-color: var(--color-primary); }
.forgot-link { color: var(--color-primary); text-decoration: none; }
.forgot-link:hover { text-decoration: underline; }
.form-error {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-sm); padding: 10px 14px;
    color: #FCA5A5; font-size: 0.85rem; margin-bottom: 16px;
}
.modal-footer { text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--color-muted); }
.modal-footer a { color: var(--color-primary); font-weight: 500; }
.modal-footer a:hover { text-decoration: underline; }
.password-strength { font-size: 0.75rem; margin-top: 4px; height: 18px; }

/* ===== REGISTER BUTTON IN MODAL ===== */
/* Ensure register button text is white */
.modal-form .btn-primary {
    color: white !important;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid, .video-grid, .feedback-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { order: -1; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .footer-links { justify-content: center; gap: 20px; }
    .bento-card--large { grid-column: span 1; }
    .bento-card--wide { grid-column: span 1; }
    .tech-stack-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: rgba(15,15,30,0.95); backdrop-filter: blur(20px);
        flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid var(--color-border);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }
    .dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        background: rgba(59,130,246,0.05); border: none; border-radius: var(--radius-sm);
        box-shadow: none; display: none; margin-top: 8px;
    }
    .nav-item.has-dropdown.mobile-open .dropdown-menu { display: block; }
    .slide-title { font-size: 2rem; }
    .slide-actions { flex-direction: column; }
    .slide-stats { flex-direction: column; gap: 16px; text-align: center; }
    .stat-divider { display: none; }
    .bento-grid { grid-template-columns: 1fr; }
    .filter-tabs { justify-content: center; }
    .tech-stack-grid { grid-template-columns: repeat(2, 1fr); }
    .modal { margin: 16px; padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    [data-animate] { opacity: 1; transform: none; }
    .slide-bg { animation: none; }
    .partners-track { animation: none; }
}

/* ===== 修复：banner 内容居中 ===== */
.slide-content {
    text-align: center;
    margin: 0 auto;
}
.slide-content .container { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; }

/* 确保 slide 本身也是居中 */
.hero-slider .slide {
    justify-content: center !important;
}

/* ===== 强化修复：Banner 内容完全居中 ===== */
.slide-content .container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 24px !important;
}
.slide-content h1, .slide-content p, .slide-content .slide-stats {
    text-align: center !important;
}
.slide-content .slide-actions {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 16px !important;
}

/* ===== Carousel Dots ===== */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}
.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: background 0.3s;
}
.carousel-dot.active {
    background: white;
}