/* =====================================================
   Adance — Design System (main.css)
   Variables, reset, typography, components partagés
   ===================================================== */

/* ─── Tokens ─── */
:root {
    /* Couleurs */
    --c-noir: #0d0a08;
    --c-noir-soft: #1a1612;
    --c-creme: #f8f3e8;
    --c-creme-warm: #f0e8d8;
    --c-or: #c9a96a;
    --c-or-light: #e8d5a3;
    --c-or-dark: #9c7e44;
    --c-rose: #d8c2b8;
    --c-text-dark: #1a1612;
    --c-text-light: #f0e8d8;
    --c-text-muted-light: rgba(240, 232, 216, 0.65);
    --c-text-muted-dark: rgba(26, 22, 18, 0.6);
    --c-border-light: rgba(201, 169, 106, 0.25);
    --c-border-dark: rgba(13, 10, 8, 0.15);

    /* Typo */
    --font-title: 'Cinzel', 'Trajan Pro', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-script: 'Allura', 'Great Vibes', cursive;

    /* Spacing */
    --sp-xs: 0.5rem;
    --sp-sm: 1rem;
    --sp-md: 2rem;
    --sp-lg: 4rem;
    --sp-xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Transitions */
    --tr-fast: 180ms ease;
    --tr-mid: 320ms ease;
    --tr-slow: 600ms ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text-dark);
    background: var(--c-creme);
    overflow-x: hidden;
    min-height: 100vh;
    font-weight: 400;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--tr-fast); }

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button { cursor: pointer; border: none; background: none; padding: 0; }

/* ─── Typography ─── */
h1, h2, h3, h4 {
    font-family: var(--font-title);
    font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin: 0 0 var(--sp-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.75rem); letter-spacing: 0.08em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); letter-spacing: 0.06em; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin: 0 0 var(--sp-sm); }

.script {
    font-family: var(--font-script);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.uppercase { text-transform: uppercase; letter-spacing: 0.15em; }
.text-or { color: var(--c-or); }
.text-center { text-align: center; }

/* ─── Layout ─── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-sm);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--sp-sm);
}

.section {
    padding: var(--sp-xl) 0;
}

.section-sm { padding: var(--sp-lg) 0; }

.bg-dark { background: var(--c-noir); color: var(--c-text-light); }
.bg-cream { background: var(--c-creme); color: var(--c-text-dark); }

/* ─── Header / Nav ─── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 10, 8, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border-light);
    color: var(--c-text-light);
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--sp-sm);
    max-width: var(--container-max);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-title);
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    color: var(--c-or);
    text-transform: uppercase;
}

.nav-brand img { width: 32px; height: 32px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-creme-warm);
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--c-or);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--tr-mid);
}

.nav-links a:hover,
.nav-links a.active { color: var(--c-or); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
    background: transparent;
    border: 1px solid var(--c-or);
    color: var(--c-or);
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all var(--tr-fast);
}

.nav-cta:hover {
    background: var(--c-or);
    color: var(--c-noir);
}

.nav-toggle {
    display: none;
    color: var(--c-or);
    font-size: 1.5rem;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(13, 10, 8, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--c-border-light);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--tr-mid), opacity var(--tr-mid);
    }
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-links li { width: 100%; text-align: center; }
    .nav-links a { display: block; padding: 1rem; }
    .nav-toggle { display: block; }
    .nav-cta { display: none; }
}

/* ─── Footer ─── */
.site-footer {
    background: var(--c-noir);
    color: var(--c-text-light);
    padding: var(--sp-lg) var(--sp-sm) var(--sp-md);
    text-align: center;
    border-top: 1px solid var(--c-border-light);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: var(--sp-md);
}

.footer-social a {
    width: 44px;
    height: 44px;
    border: 1px solid var(--c-or);
    color: var(--c-or);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--tr-fast);
}

.footer-social a:hover {
    background: var(--c-or);
    color: var(--c-noir);
    transform: translateY(-2px);
}

.footer-brand {
    font-family: var(--font-title);
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    color: var(--c-or);
    margin-bottom: 0.5rem;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--c-text-muted-light);
    letter-spacing: 0.1em;
}

/* ─── Buttons / CTA ─── */
.btn {
    display: inline-block;
    padding: 1rem 2.25rem;
    font-family: var(--font-title);
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-align: center;
    border: 1px solid var(--c-or);
    color: var(--c-or);
    background: transparent;
    transition: all var(--tr-mid);
    cursor: pointer;
}

.btn:hover {
    background: var(--c-or);
    color: var(--c-noir);
    transform: translateY(-1px);
}

.btn-filled {
    background: var(--c-or);
    color: var(--c-noir);
}
.btn-filled:hover {
    background: var(--c-or-dark);
    border-color: var(--c-or-dark);
    color: var(--c-creme);
}

.btn-dark { border-color: var(--c-noir); color: var(--c-noir); }
.btn-dark:hover { background: var(--c-noir); color: var(--c-creme); }

/* ─── Divider décoratif ─── */
.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: var(--sp-md) auto;
    color: var(--c-or);
}

.divider::before,
.divider::after {
    content: '';
    height: 1px;
    background: var(--c-or);
    flex: 1;
    max-width: 80px;
    opacity: 0.5;
}

.divider .ornament {
    font-size: 0.8rem;
    letter-spacing: 0.3em;
}

/* ─── Cards (services, prestations) ─── */
.card {
    background: var(--c-creme);
    border: 1px solid var(--c-border-dark);
    padding: var(--sp-md);
    transition: all var(--tr-mid);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--c-or);
}

.card-dark {
    background: var(--c-noir-soft);
    color: var(--c-text-light);
    border-color: var(--c-border-light);
}

.card h3 { color: var(--c-or); margin-bottom: 0.75rem; }
.card-price {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--c-or);
    margin: var(--sp-sm) 0;
}

/* ─── Forms ─── */
.form-group {
    margin-bottom: var(--sp-sm);
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-text-muted-dark);
    margin-bottom: 0.4rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--c-border-dark);
    background: rgba(255, 255, 255, 0.5);
    font-size: 1rem;
    transition: border-color var(--tr-fast), background var(--tr-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--c-or);
    background: white;
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-alert {
    padding: 1rem 1.25rem;
    border-left: 3px solid;
    margin-bottom: var(--sp-sm);
    font-size: 0.95rem;
}
.form-alert.success { border-color: #4a7c3f; background: rgba(74, 124, 63, 0.08); color: #2f5226; }
.form-alert.error { border-color: #b94a3a; background: rgba(185, 74, 58, 0.08); color: #842c1f; }

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

.fade-up {
    animation: fadeUp var(--tr-slow) both;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms ease, transform 700ms ease;
}
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Utilities ─── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }

.grid { display: grid; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 768px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}


/* ─── Menu user dropdown ─── */
.nav-user__name {
    margin-left: 0.4rem;
    font-size: 0.85em;
    letter-spacing: 0.02em;
}
.dropdown-menu-right { right: 0; left: auto; }
.dropdown-item--btn {
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    cursor: pointer;
    font: inherit;
    color: inherit;
    padding: 0.5rem 1.25rem;
    display: block;
    text-decoration: none;
}
.dropdown-item--btn:hover {
    background-color: rgba(201, 169, 106, 0.08);
    color: var(--c-or-dark);
}
.dropdown-logout { margin: 0; }
.dropdown-divider {
    height: 1px;
    margin: 0.5rem 0;
    background: var(--c-border-dark);
    border: none;
}


/* ─── Logo image (contraint pour éviter le 1080x1080 plein écran) ─── */
.site-header img,
.nav-brand img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* ─── Dropdowns nav (custom, pas Bootstrap) ─── */
.nav-dropdown { position: relative; }

.nav-dropdown__toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font-family: inherit;
    padding: 0.25rem 0;
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-creme-warm);
    transition: color var(--tr-fast);
}
.nav-dropdown__toggle:hover { color: var(--c-or); }

.nav-dropdown__menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 220px;
    background: rgba(13, 10, 8, 0.98);
    backdrop-filter: blur(12px);
    border: 1px solid var(--c-border-light);
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--tr-mid), transform var(--tr-mid);
    z-index: 200;
}
.nav-dropdown__menu--right { left: auto; right: 0; }

.nav-dropdown.is-open .nav-dropdown__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-dropdown__menu li { width: 100%; margin: 0; }
.nav-dropdown__menu a,
.nav-dropdown__btn {
    display: block;
    width: 100%;
    padding: 0.65rem 1.25rem;
    color: var(--c-creme-warm);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: none;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: background var(--tr-fast), color var(--tr-fast);
    line-height: 1.4;
}
.nav-dropdown__menu a::after { display: none; }
.nav-dropdown__menu a:hover,
.nav-dropdown__menu a.active,
.nav-dropdown__btn:hover {
    background: rgba(201, 169, 106, 0.08);
    color: var(--c-or);
}

.nav-dropdown__sep {
    height: 1px;
    background: var(--c-border-light);
    margin: 0.4rem 0;
    padding: 0;
}

/* ─── Mobile : dropdowns inline dans le menu vertical ─── */
@media (max-width: 768px) {
    .nav-dropdown__menu {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        display: none;
        background: rgba(0,0,0,0.4);
        border: none;
        padding: 0;
        margin: 0.25rem 0;
        min-width: 0;
        width: 100%;
    }
    .nav-dropdown.is-open .nav-dropdown__menu { display: block; }
    .nav-dropdown__menu a { padding: 0.85rem 2rem; text-align: center; }
    .nav-dropdown__toggle { width: 100%; padding: 1rem; justify-content: center; }
}