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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;

    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #080e1a;

    --white: #ffffff;
    --black: #000000;

    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
    --shadow-xl: 0 20px 48px rgba(0,0,0,0.16), 0 8px 16px rgba(0,0,0,0.08);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Skip Link ─── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--teal-600);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 16px;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--teal-600);
    color: var(--white);
    border-color: var(--teal-600);
}

.btn-primary:hover {
    background: var(--teal-700);
    border-color: var(--teal-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13,148,136,0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--slate-900);
    border-color: var(--white);
}

.btn-outline-dark {
    background: transparent;
    color: var(--slate-700);
    border-color: var(--slate-300);
}

.btn-outline-dark:hover {
    background: var(--slate-800);
    color: var(--white);
    border-color: var(--slate-800);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

/* ─── Navigation ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.0);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: 0 1px 0 var(--slate-200);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    transition: color var(--transition-base);
}

.nav.scrolled .nav-logo {
    color: var(--slate-900);
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
}

.nav-logo-text {
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color var(--transition-fast);
    position: relative;
}

.nav.scrolled .nav-menu a {
    color: var(--slate-600);
}

.nav-menu a:hover {
    color: var(--white);
}

.nav.scrolled .nav-menu a:hover {
    color: var(--teal-600);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal-400);
    transition: width var(--transition-base);
}

.nav.scrolled .nav-menu a::after {
    background: var(--teal-600);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav.scrolled .nav-toggle-bar {
    background: var(--slate-700);
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ─── Hero ─── */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--slate-900);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(8,14,26,0.92) 0%,
        rgba(15,23,42,0.82) 50%,
        rgba(13,148,136,0.35) 100%
    );
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 64px;
    align-items: center;
    width: 100%;
}

.hero-content {
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13,148,136,0.2);
    border: 1px solid rgba(13,148,136,0.35);
    color: var(--teal-300);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-badge svg {
    width: 14px;
    height: 14px;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--slate-300);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.stat-card--teal {
    background: var(--teal-600);
    color: var(--white);
}

.stat-card--dark {
    background: var(--slate-800);
    color: var(--white);
}

.stat-card-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card--teal .stat-card-icon {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.stat-card--white .stat-card-icon {
    background: var(--teal-50);
    color: var(--teal-600);
}

.stat-card--dark .stat-card-icon {
    background: rgba(255,255,255,0.1);
    color: var(--teal-300);
}

.stat-card-icon svg {
    width: 22px;
    height: 22px;
}

.stat-card-value {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.stat-card-label {
    font-size: 0.8125rem;
    opacity: 0.7;
    margin-top: 2px;
}

/* ─── Section Shared ─── */
.section {
    padding: 100px 0;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--teal-600);
    border-radius: 2px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-sub {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--slate-500);
    max-width: 560px;
    margin: 0 auto;
}

.section-header--center {
    text-align: center;
}

.lead {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--slate-600);
    margin-bottom: 24px;
}

/* ─── About ─── */
.about {
    background: var(--slate-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--white);
}

.about-img-secondary img {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    top: -24px;
    left: -24px;
    width: 120px;
    height: 120px;
    background: var(--teal-100);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content .section-title {
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 8px;
}

.about-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--slate-700);
    line-height: 1.5;
}

.check-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--teal-600);
    margin-top: 1px;
}

/* ─── Experience ─── */
.experience {
    background: var(--white);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 56px;
}

.exp-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--slate-200);
    transition: all var(--transition-base);
}

.exp-card:hover {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.exp-card-img {
    overflow: hidden;
    height: 220px;
}

.exp-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.exp-card:hover .exp-card-img img {
    transform: scale(1.05);
}

.exp-card-body {
    padding: 28px;
}

.exp-card-icon {
    width: 48px;
    height: 48px;
    background: var(--teal-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--teal-600);
}

.exp-card-icon svg {
    width: 24px;
    height: 24px;
}

.exp-card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.exp-card-body p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--slate-500);
}

/* ─── Visit ─── */
.visit {
    background: var(--slate-50);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
}

.visit-info {
    padding: 8px 0;
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 40px 0;
}

.visit-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.visit-detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--teal-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
}

.visit-detail-icon svg {
    width: 22px;
    height: 22px;
}

.visit-detail-label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--slate-400);
    margin-bottom: 4px;
}

.visit-detail-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--slate-800);
    line-height: 1.6;
}

.visit-detail-value a {
    color: var(--teal-600);
    transition: color var(--transition-fast);
}

.visit-detail-value a:hover {
    color: var(--teal-700);
    text-decoration: underline;
}

.visit-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.visit-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 480px;
}

.visit-map-wrapper {
    width: 100%;
    height: 100%;
    min-height: 480px;
}

.visit-map iframe {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
}

/* ─── Footer ─── */
.footer {
    background: var(--slate-950);
    color: var(--slate-400);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--slate-500);
    max-width: 300px;
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-300);
    margin-bottom: 20px;
}

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 4px;
}

.footer-contact a {
    color: var(--teal-400);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--teal-300);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--slate-500);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--teal-400);
}

.footer-bottom {
    border-top: 1px solid var(--slate-800);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--slate-600);
}

/* ─── Scroll Animations (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 600ms ease, transform 600ms ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 100ms; }
    .reveal-delay-2 { transition-delay: 200ms; }
    .reveal-delay-3 { transition-delay: 300ms; }
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-cards {
        flex-direction: row;
        flex-wrap: wrap;
        max-width: 500px;
    }

    .stat-card {
        flex: 1;
        min-width: 160px;
    }

    .about-grid {
        gap: 48px;
    }

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

    .experience-grid .exp-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        box-shadow: var(--shadow-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 1000;
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-menu a {
        color: var(--slate-700) !important;
        font-size: 1.125rem;
    }

    .nav-menu a:hover {
        color: var(--teal-600) !important;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    .hero {
        min-height: auto;
        padding-top: 72px;
    }

    .hero-inner {
        padding: 100px 24px 80px;
    }

    .hero-headline {
        font-size: clamp(2rem, 8vw, 2.75rem);
    }

    .hero-cards {
        flex-direction: column;
        max-width: 100%;
    }

    .stat-card {
        min-width: auto;
    }

    .section {
        padding: 72px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .about-img-secondary {
        right: 0;
        bottom: -32px;
    }

    .about-img-main img {
        height: 350px;
    }

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

    .experience-grid .exp-card:last-child {
        max-width: 100%;
    }

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

    .visit-map {
        min-height: 320px;
    }

    .visit-map-wrapper {
        min-height: 320px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-inner {
        padding: 90px 16px 60px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        justify-content: center;
        width: 100%;
    }

    .visit-actions {
        flex-direction: column;
    }

    .visit-actions .btn {
        justify-content: center;
        width: 100%;
    }
}