/* ===== CSS Variables - Premium Design System ===== */
:root {
    --bg-primary: #FAF7F2;
    --bg-secondary: #F5F0E8;
    --bg-card: rgba(255, 255, 255, 0.6);
    --bg-card-solid: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-muted: #999999;
    --accent: #B8860B;
    --accent-light: #D4A43A;
    --accent-dark: #8B6914;
    --accent-gradient: linear-gradient(135deg, #B8860B, #D4A43A);
    --border: rgba(0,0,0,0.06);
    --border-light: rgba(0,0,0,0.03);
    --glass: rgba(255, 255, 255, 0.4);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.04), 0 4px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 10px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 20px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 25px 50px rgba(0,0,0,0.1), 0 40px 80px rgba(0,0,0,0.06);
    --shadow-glow: 0 0 40px rgba(184,134,11,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: all 0.4s var(--ease);
    --transition-fast: all 0.2s var(--ease);
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1em; color: var(--text-secondary); }
a { color: var(--accent); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--accent-dark); }

/* ===== Container ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(250, 247, 242, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(250, 247, 242, 0.95);
    box-shadow: var(--shadow-sm);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}
.logo-mark {
    width: 36px; height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(184,134,11,0.25);
    transition: var(--transition-fast);
}
.logo:hover .logo-mark { transform: scale(1.05); box-shadow: 0 4px 12px rgba(184,134,11,0.35); }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 14px; font-weight: 600; line-height: 1.2; }
.logo-year { font-size: 11px; color: var(--text-muted); line-height: 1.2; }

.nav { display: flex; gap: 4px; }
.nav-item {
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
    white-space: nowrap;
}
.nav-item:hover { color: var(--text-primary); background: rgba(0,0,0,0.03); }
.nav-item.active { color: var(--accent); background: rgba(184,134,11,0.08); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.menu-toggle span {
    width: 22px; height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition-fast);
}
@media (max-width: 768px) {
    .nav { display: none; }
    .menu-toggle { display: flex; }
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(250, 247, 242, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu-inner { text-align: center; width: 100%; max-width: 400px; padding: 24px; }
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
}
.menu-close {
    background: none; border: none;
    font-size: 28px; color: var(--text-muted);
    cursor: pointer; padding: 8px;
    transition: var(--transition-fast);
}
.menu-close:hover { color: var(--accent); }
.mobile-nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-nav-item {
    display: block;
    padding: 16px 24px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
}
.mobile-nav-item:hover, .mobile-nav-item.active {
    color: var(--accent);
    background: rgba(184,134,11,0.06);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(184,134,11,0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(184,134,11,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(184,134,11,0.08);
    border: 1px solid rgba(184,134,11,0.15);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 32px;
    letter-spacing: 0.05em;
    animation: fadeInUp 0.8s ease-out;
}
.hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text-primary);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}
.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}
.stat-item { text-align: center; }
.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }
.hero-actions { 
    display: flex; 
    gap: 12px; 
    justify-content: center; 
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 12px rgba(184,134,11,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(184,134,11,0.4);
    color: white;
}
.btn-glass {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}
.btn-glass:hover {
    background: var(--bg-card-solid);
    border-color: rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: white; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-danger { background: #DC2626; color: white; }
.btn-danger:hover { background: #B91C1C; }

/* ===== Hero Scroll ===== */
.hero-scroll {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 0.1em;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}
.scroll-indicator {
    width: 1px; height: 40px;
    background: var(--border);
    position: relative;
    overflow: hidden;
}
.scroll-line {
    width: 100%; height: 12px;
    background: var(--accent);
    position: absolute; top: -12px;
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 0% { top: -12px; } 100% { top: 40px; } }

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(184,134,11,0.06);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}
.section-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 12px;
}
.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== Cards with Glass Effect ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(184,134,11,0.2);
}

/* ===== Photo Grid ===== */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.photo-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}
.photo-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(184,134,11,0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.photo-info { padding: 16px; }
.photo-title { display: block; font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.photo-date { font-size: 12px; color: var(--text-muted); }
.photo-item:hover { transform: translateY(-6px) scale(1.02); box-shadow: var(--shadow-xl); }
@media (max-width: 768px) { .photo-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Video Grid ===== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.video-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.video-placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(184,134,11,0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    position: relative;
}
.play-btn {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(184,134,11,0.4);
}
.video-item:hover .play-btn { transform: scale(1.1); box-shadow: 0 6px 25px rgba(184,134,11,0.5); }
.video-info { padding: 16px; }
.video-title { display: block; font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.video-date { font-size: 13px; color: var(--text-muted); }
@media (max-width: 768px) { .video-grid { grid-template-columns: 1fr; } }

/* ===== Classes Grid ===== */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.class-card {
    padding: 48px 24px;
    text-decoration: none;
    color: inherit;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}
.class-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}
.class-card:hover::before { transform: scaleX(1); }
.class-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(184,134,11,0.3);
}
.class-number {
    font-size: 56px;
    font-weight: 800;
    color: rgba(184,134,11,0.12);
    line-height: 1;
    margin-bottom: 16px;
    transition: var(--transition);
}
.class-card:hover .class-number { color: rgba(184,134,11,0.25); transform: scale(1.05); }
.class-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.class-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 0; }
@media (max-width: 768px) { .classes-grid { grid-template-columns: 1fr; } }

/* ===== Search Bar ===== */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}
.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
    padding: 10px 24px;
    border-radius: 100px;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(184,134,11,0.25);
}
.search-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(184,134,11,0.35); }

/* ===== People Grid ===== */
.people-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.person-card {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.person-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(184,134,11,0.3);
}
.person-info h3 { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.person-info p { font-size: 13px; color: var(--text-muted); margin-bottom: 0; }
.person-quote { font-size: 12px; color: var(--accent); font-style: italic; display: block; margin-top: 4px; }
.person-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
@media (max-width: 768px) { .people-grid { grid-template-columns: 1fr; } }

/* ===== Messages ===== */
.message-form {
    padding: 32px;
    margin-bottom: 32px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}
.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-row .form-group { flex: 1; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184,134,11,0.1);
    background: white;
}
.form-group textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}
.char-count { font-size: 13px; color: var(--text-muted); }
.submit-btn {
    padding: 12px 28px;
    border-radius: 100px;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(184,134,11,0.3);
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(184,134,11,0.4); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
@media (max-width: 768px) { .form-row { flex-direction: column; gap: 0; } }

.messages-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
.message-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.message-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.message-content { font-size: 15px; line-height: 1.7; margin-bottom: 16px; color: var(--text-primary); }
.message-footer { display: flex; justify-content: space-between; align-items: center; }
.message-author { display: flex; align-items: center; gap: 12px; }
.message-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(184,134,11,0.25);
}
.message-name { font-size: 14px; font-weight: 500; }
.message-class { font-size: 12px; color: var(--text-muted); }
.message-time { font-size: 12px; color: var(--text-muted); }
.message-likes {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}
.message-likes:hover { color: var(--accent); }
.empty-state {
    text-align: center;
    padding: 80px 24px;
    color: var(--text-muted);
}
.empty-state p { font-size: 16px; margin-bottom: 16px; color: var(--text-secondary); }

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 8px 18px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(184,134,11,0.25);
}

/* ===== About ===== */
.about-content {
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}
.about-text h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; margin-top: 24px; }
.about-text h3:first-child { margin-top: 0; }
.about-text p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 0; }

/* ===== Footer ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 32px;
    background: var(--bg-secondary);
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-desc { color: var(--text-secondary); font-size: 14px; margin-top: 16px; line-height: 1.7; }
.footer-links { display: flex; gap: 48px; }
.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.3s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13px;
}
@media (max-width: 768px) {
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; }
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    top: 24px; right: 24px;
    padding: 14px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    z-index: 3000;
    transform: translateX(120%);
    transition: transform 0.4s var(--ease);
    box-shadow: var(--shadow-xl);
}
.toast.show { transform: translateX(0); }
.toast.success { background: #059669; color: white; }
.toast.error { background: #DC2626; color: white; }

/* ===== Animations ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero { padding: 100px 24px 60px; min-height: auto; }
    .hero-stats { gap: 32px; }
    .stat-number { font-size: 28px; }
    .section { padding: 60px 0; }
    .section-header { margin-bottom: 32px; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}