/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Claude-inspired warm palette */
    --primary: #D97757;
    --primary-dark: #C4623F;
    --primary-light: #E8956E;
    --accent: #B8612E;
    --accent-light: #F0A87C;

    /* Warm backgrounds */
    --bg-cream: #FAF6F1;
    --bg-warm: #F5EDE4;
    --bg-card: #FFFFFF;
    --bg-dark: #2D2018;
    --bg-dark-warm: #3D2E22;

    /* Text */
    --text-primary: #1A1108;
    --text-secondary: #5C4A3A;
    --text-muted: #8B7A6B;
    --text-light: #FAF6F1;

    /* Borders */
    --border: #E5DCD2;
    --border-light: #EDE6DD;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(45, 32, 24, 0.06);
    --shadow-md: 0 4px 16px rgba(45, 32, 24, 0.08);
    --shadow-lg: 0 8px 32px rgba(45, 32, 24, 0.1);
    --shadow-xl: 0 16px 48px rgba(45, 32, 24, 0.12);

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-cream);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul { list-style: none; }

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 1px 12px rgba(45, 32, 24, 0.06);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    z-index: 1001;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(217, 119, 87, 0.06);
}

.nav-cta {
    background: var(--primary) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    border-radius: 2px;
    transition: all 0.3s;
}

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

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

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

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -10%;
    right: -10%;
    animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-light);
    bottom: -10%;
    left: -5%;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(217, 119, 87, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(217, 119, 87, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(217, 119, 87, 0.15);
    color: var(--accent-light);
    border: 1px solid rgba(217, 119, 87, 0.25);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 32px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-light);
}

.hero-title-line.accent {
    color: var(--primary);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(250, 246, 241, 0.7);
    max-width: 640px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(217, 119, 87, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(217, 119, 87, 0.06);
}

.btn-outline {
    background: transparent;
    color: var(--accent-light);
    border: 1.5px solid rgba(217, 119, 87, 0.4);
}

.btn-outline:hover {
    background: rgba(217, 119, 87, 0.1);
    border-color: var(--primary);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(250, 246, 241, 0.5);
    font-weight: 500;
}

/* ===== Section Base ===== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(217, 119, 87, 0.1);
    color: var(--primary);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    background: var(--bg-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(217, 119, 87, 0.2);
}

.about-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--primary);
}

.about-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.about-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== Services Section ===== */
.services {
    background: var(--bg-warm);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(217, 119, 87, 0.2);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(217, 119, 87, 0.03), rgba(217, 119, 87, 0.08));
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 3px 10px;
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-xl);
    letter-spacing: 0.5px;
}

.service-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    margin-bottom: 16px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.service-tags span {
    padding: 4px 10px;
    background: rgba(217, 119, 87, 0.08);
    color: var(--primary-dark);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-xl);
}

/* ===== AI Event Section ===== */
.ai-event {
    background: var(--bg-dark);
    color: var(--text-light);
}

.ai-event .section-tag {
    background: rgba(217, 119, 87, 0.2);
    color: var(--accent-light);
}

.ai-event .section-title {
    color: var(--text-light);
}

.ai-event .section-subtitle {
    color: rgba(250, 246, 241, 0.6);
}

/* Countdown */
.event-countdown {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}

.countdown-item {
    text-align: center;
    background: rgba(217, 119, 87, 0.1);
    border: 1px solid rgba(217, 119, 87, 0.2);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    min-width: 100px;
}

.countdown-number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.countdown-label {
    display: block;
    font-size: 12px;
    color: rgba(250, 246, 241, 0.5);
    font-weight: 500;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Event Info Cards */
.event-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.event-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 20px 24px;
}

.event-info-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    flex-shrink: 0;
}

.event-info-icon svg {
    width: 100%;
    height: 100%;
}

.event-info-card h4 {
    font-size: 12px;
    font-weight: 600;
    color: rgba(250, 246, 241, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.event-info-card p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
}

/* Event Agenda */
.event-agenda {
    margin-bottom: 60px;
}

.event-agenda h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 28px;
    text-align: center;
}

.agenda-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.agenda-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: all 0.2s;
}

.agenda-item:hover {
    background: rgba(217, 119, 87, 0.08);
    border-color: rgba(217, 119, 87, 0.2);
}

.agenda-time {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

.agenda-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 4px;
}

.agenda-content p {
    font-size: 0.85rem;
    color: rgba(250, 246, 241, 0.5);
}

/* Event Registration */
.event-register {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.event-register h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 8px;
    text-align: center;
}

.event-register > p {
    text-align: center;
    color: rgba(250, 246, 241, 0.5);
    margin-bottom: 28px;
    font-size: 0.95rem;
}

/* ===== Forms (shared) ===== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.1);
}

/* Dark form overrides for AI Event section */
.ai-event .form-group label {
    color: rgba(250, 246, 241, 0.7);
}

.ai-event .form-group input,
.ai-event .form-group select,
.ai-event .form-group textarea {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-light);
}

.ai-event .form-group input::placeholder,
.ai-event .form-group textarea::placeholder {
    color: rgba(250, 246, 241, 0.3);
}

.ai-event .form-group input:focus,
.ai-event .form-group select:focus,
.ai-event .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.15);
}

.ai-event .form-group select option {
    background: var(--bg-dark);
    color: var(--text-light);
}

/* Success Message */
.form-success-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    min-height: 300px;
}

.success-icon {
    width: 56px;
    height: 56px;
    color: var(--primary);
    margin-bottom: 16px;
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.form-success-message h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success-message p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.ai-event .form-success-message h3 {
    color: var(--text-light);
}

.ai-event .form-success-message p {
    color: rgba(250, 246, 241, 0.5);
}

/* ===== Education Section ===== */
.education {
    background: var(--bg-cream);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: all 0.3s;
}

.edu-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(217, 119, 87, 0.2);
}

.edu-label {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(217, 119, 87, 0.1);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-xl);
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}

.edu-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.edu-card > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.edu-features {
    list-style: none;
    margin-bottom: 24px;
}

.edu-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 5px 0;
    padding-left: 18px;
    position: relative;
}

.edu-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===== Newsletter Section ===== */
.newsletter {
    background: var(--bg-warm);
    padding: 80px 0;
}

.newsletter-box {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-box h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.newsletter-box > p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.newsletter-input-group {
    display: flex;
    gap: 10px;
}

.newsletter-input-group input {
    flex: 1;
    padding: 12px 18px;
    font-size: 15px;
    font-family: inherit;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.2s;
}

.newsletter-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.1);
}

.newsletter-success {
    margin-top: 16px;
}

.newsletter-success p {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg-cream);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 40px;
    align-items: start;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.contact-form .form-group label {
    color: var(--text-secondary);
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    margin-bottom: 20px;
}

.info-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.info-item {
    margin-bottom: 16px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.info-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.services-list li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.services-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer .logo-icon {
    background: var(--primary);
}

.footer .logo-text {
    color: var(--text-light);
    font-size: 13px;
}

.footer-brand > p {
    color: rgba(250, 246, 241, 0.4);
    font-size: 0.9rem;
}

.footer-links h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(250, 246, 241, 0.5);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(250, 246, 241, 0.3);
}

/* ===== Scroll Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Nav Overlay (Mobile) ===== */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ===== Language Switcher ===== */
.lang-switcher {
    position: relative;
    z-index: 1001;
}

.lang-select {
    padding: 6px 28px 6px 12px;
    background: rgba(217, 119, 87, 0.1);
    border: 1px solid rgba(217, 119, 87, 0.25);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23D97757' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.lang-select:hover {
    background-color: rgba(217, 119, 87, 0.15);
    border-color: var(--primary);
}

.lang-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.1);
}

.lang-select option {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    padding: 8px;
}

.navbar.scrolled .lang-select {
    background-color: rgba(217, 119, 87, 0.08);
    color: var(--text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .lang-switcher {
        margin-right: 8px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 4px;
        transition: right 0.3s ease;
        z-index: 999;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 15px;
    }

    .nav-cta {
        text-align: center;
        margin-top: 12px;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

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

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

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

    .event-countdown {
        gap: 12px;
    }

    .countdown-item {
        padding: 14px 18px;
        min-width: 70px;
    }

    .countdown-number {
        font-size: 1.8rem;
    }

    .event-info-cards {
        grid-template-columns: 1fr;
    }

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

    .event-register {
        padding: 24px;
    }

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

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .newsletter-input-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .hero-title-line {
        font-size: 1.8rem;
    }

    .event-countdown {
        flex-wrap: wrap;
    }

    .countdown-item {
        min-width: 60px;
        padding: 12px 14px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }
}