/* ============================================
   SAMUI SELECT — Index 2026
   Clean · Modular · Mobile-first · Ready for PHP
   ============================================ */

:root {
    /* Palette tropicale premium 2026 */
    --sand: #F7F3EE;
    --sand-dark: #EDE6DC;
    --charcoal: #1C1917;
    --charcoal-soft: #44403C;
    --teal: #0F766E;
    --teal-light: #14B8A6;
    --sage: #5F7A6A;
    --white: #FFFFFF;
    --shadow: 0 20px 40px -12px rgba(28, 25, 23, 0.12);
    --radius: 24px;
    --radius-sm: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--sand);
    color: var(--charcoal);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(247, 243, 238, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(28, 25, 23, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--charcoal);
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    background: var(--teal);
    color: white;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: var(--charcoal-soft);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* ========== HERO ========== */
.hero {
    position: relative;
    height: 70vh;
    min-height: 480px;
    display: flex;
    align-items: flex-end;
    background: 
        linear-gradient(to top, rgba(28, 25, 23, 0.55), rgba(28, 25, 23, 0.15)),
        url('images/hero-samui.jpg') center/cover no-repeat;
    /* Remplace images/hero-samui.jpg par une belle photo large de Koh Samui */
    color: white;
    margin-top: 72px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28, 25, 23, 0.6) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 64px;
}

.hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 12px;
    font-weight: 500;
}

.hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* ========== EXPERIENCES / BENTO ========== */
.experiences {
    padding: 80px 0 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 600;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--charcoal-soft);
    font-size: 1.05rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.bento-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 320px;
    text-decoration: none;
    color: white;
    box-shadow: var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.bento-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 50px -12px rgba(28, 25, 23, 0.2);
}

.card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.bento-card:hover .card-bg {
    transform: scale(1.06);
}

/* Fallback colors si pas d'image */
.card-hotel .card-bg { background-color: #0F766E; }
.card-wellness .card-bg { background-color: #5F7A6A; }
.card-hub .card-bg { background-color: #1E3A3A; }
.card-exclusive .card-bg { background-color: #3D4A3E; }

.card-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.card-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    opacity: 0.7;
    margin-bottom: 6px;
}

.card-content h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.7rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-content p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.card-cta {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    opacity: 0.95;
}

/* ========== PLACEHOLDER SECTIONS ========== */
.placeholder-section {
    padding: 60px 0;
}

.placeholder-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 48px 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(28, 25, 23, 0.05);
}

.placeholder-box h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.placeholder-note {
    color: var(--charcoal-soft);
    margin-bottom: 32px;
    max-width: 640px;
}

.placeholder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.placeholder-item {
    background: var(--sand);
    border: 1px dashed rgba(28, 25, 23, 0.15);
    border-radius: var(--radius-sm);
    padding: 28px 20px;
    text-align: center;
    color: var(--charcoal-soft);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--charcoal);
    color: rgba(255,255,255,0.85);
    padding: 48px 0 32px;
    margin-top: 40px;
}

.footer-inner {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-brand .logo-mark {
    background: var(--teal-light);
}

.footer-text {
    opacity: 0.7;
    margin-bottom: 20px;
}

.footer-copy {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav {
        display: none; /* tu pourras ajouter un burger plus tard */
    }

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

    .bento-card {
        min-height: 280px;
    }

    .hero {
        height: 60vh;
        min-height: 400px;
    }

    .placeholder-box {
        padding: 32px 24px;
    }
}

@media (min-width: 900px) {
    /* Légère variation bento pour desktop */
    .card-hotel {
        grid-row: span 1;
    }
}