/* ===================================================
   LES MAISONS DU CHÂTEAU
   Direction : éditoriale moderne / chaleureuse
   Palette : ardoise profonde + crème + cuivre brûlé
   =================================================== */

:root {
    /* Palette */
    --color-ink: #1a1a1a;
    --color-ink-soft: #2a2a2a;
    --color-paper: #f5f1ea;
    --color-paper-soft: #ebe5d9;
    --color-paper-deep: #e0d8c6;
    --color-cream: #faf7f1;
    --color-copper: #b8521f;
    --color-copper-deep: #8a3d17;
    --color-stone: #8a847a;
    --color-stone-soft: #a8a298;
    --color-line: rgba(26, 26, 26, 0.12);

    /* Typographie */
    --font-serif: 'Fraunces', 'Times New Roman', Georgia, serif;
    --font-sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espacements */
    --space-3xs: 0.25rem;
    --space-2xs: 0.5rem;
    --space-xs: 0.75rem;
    --space-s: 1rem;
    --space-m: 1.5rem;
    --space-l: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 9rem;

    /* Container */
    --max-width: 1400px;
    --content-width: 1180px;
    --gutter: clamp(1.25rem, 4vw, 3rem);

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font: inherit;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
}

::selection {
    background: var(--color-copper);
    color: var(--color-cream);
}

/* ============== HEADER ============== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 241, 234, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-line);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.1rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-l);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--color-ink);
    transition: opacity 0.3s var(--ease);
}

.brand:hover {
    opacity: 0.7;
}

.brand-mark {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-line-1 {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.brand-line-2 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-style: italic;
    font-weight: 500;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    gap: var(--space-l);
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--color-ink-soft);
    position: relative;
    padding: 0.4rem 0;
    transition: color 0.3s var(--ease);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-copper);
    transition: width 0.4s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-ink);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-ink);
    transition: all 0.3s var(--ease);
}

/* ============== HERO ============== */
.hero {
    position: relative;
    padding: clamp(4rem, 10vw, 7rem) var(--gutter) clamp(3rem, 8vw, 5rem);
    max-width: var(--max-width);
    margin: 0 auto;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
}

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-copper);
    margin-bottom: var(--space-m);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.1s forwards;
}

.hero-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(2.5rem, 6.5vw, 5.2rem);
    line-height: 1.02;
    letter-spacing: -0.025em;
    color: var(--color-ink);
    margin-bottom: var(--space-l);
    opacity: 0;
    animation: fadeUp 1s var(--ease-out) 0.2s forwards;
}

.hero-title em {
    font-style: italic;
    font-weight: 300;
    color: var(--color-copper-deep);
}

.hero-lede {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.55;
    color: var(--color-ink-soft);
    max-width: 600px;
    margin-bottom: var(--space-l);
    opacity: 0;
    animation: fadeUp 1s var(--ease-out) 0.4s forwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 1.6rem;
    background: var(--color-ink);
    color: var(--color-cream);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: 999px;
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    animation: fadeUp 1s var(--ease-out) 0.6s forwards;
}

.hero-cta svg {
    transition: transform 0.4s var(--ease-out);
}

.hero-cta:hover {
    background: var(--color-copper);
    transform: translateY(-2px);
}

.hero-cta:hover svg {
    transform: translateY(3px);
}

.hero-decor {
    position: absolute;
    right: -5%;
    bottom: -10%;
    width: 75%;
    max-width: 800px;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 1.4s var(--ease-out) 0.8s forwards;
}

.hero-castle {
    color: var(--color-paper-deep);
    opacity: 0.7;
}

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

@keyframes fadeIn {
    to { opacity: 0.9; }
}

/* ============== INTRO ============== */
.intro {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--gutter);
    border-top: 1px solid var(--color-line);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.intro-quote {
    position: sticky;
    top: 100px;
}

.quote-mark {
    color: var(--color-copper);
    margin-bottom: var(--space-s);
}

.intro-quote p {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    line-height: 1.2;
    letter-spacing: -0.015em;
}

.intro-quote em {
    font-style: italic;
    color: var(--color-copper-deep);
}

.intro-text p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-ink-soft);
    margin-bottom: var(--space-m);
}

.intro-text p:last-child {
    margin-bottom: 0;
}

/* ============== MAISONS ============== */
.maisons {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--gutter);
}

.section-head {
    margin-bottom: var(--space-xl);
    max-width: 700px;
}

.section-eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-copper);
    margin-bottom: var(--space-s);
}

.section-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--color-ink);
}

.section-title em {
    font-style: italic;
    color: var(--color-copper-deep);
}

.maisons-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(1rem, 2vw, 1.75rem);
}

/* Layout asymétrique : Volets Bleus en featured (gros), puis grille 3 cols */
.maison {
    grid-column: span 4;
    display: flex;
    flex-direction: column;
    background: var(--color-cream);
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
    border: 1px solid var(--color-line);
}

.maison:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(26, 26, 26, 0.18);
}

.maison-featured {
    grid-column: span 8;
    grid-row: span 2;
    flex-direction: column;
}

.maison-featured .maison-visual {
    aspect-ratio: 16 / 10;
}

.maison-featured .maison-info {
    padding: var(--space-l);
}

.maison-featured .maison-name {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.maison-featured .maison-desc {
    font-size: 1.05rem;
    max-width: 500px;
}

.maison-visual {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.maison-pattern {
    width: 100%;
    height: 100%;
    transition: transform 0.8s var(--ease-out);
}

.maison:hover .maison-pattern {
    transform: scale(1.05);
}

.maison-badge {
    position: absolute;
    top: var(--space-s);
    left: var(--space-s);
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-ink);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 999px;
}

.maison-badge-alt {
    background: var(--color-copper);
    color: var(--color-cream);
}

.maison-info {
    padding: var(--space-m);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.maison-type {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-stone);
    margin-bottom: var(--space-2xs);
}

.maison-name {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.4rem;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--color-ink);
    margin-bottom: var(--space-2xs);
}

.maison-desc {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--color-ink-soft);
    margin-bottom: var(--space-m);
    flex-grow: 1;
}

.maison-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-copper-deep);
    letter-spacing: 0.01em;
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap 0.3s var(--ease-out);
}

.maison:hover .maison-link {
    gap: 0.7rem;
}

/* ============== INFOS PRATIQUES ============== */
.infos-pratiques {
    background: var(--color-paper-soft);
    padding: var(--space-2xl) var(--gutter);
    border-top: 1px solid var(--color-line);
}

.infos-grid {
    max-width: var(--content-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-l);
}

.info-card {
    padding: var(--space-m) 0;
}

.info-label {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-copper);
    margin-bottom: var(--space-s);
}

.info-value {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 1.4;
    color: var(--color-ink);
}

.info-link {
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-copper);
    padding-bottom: 1px;
    transition: color 0.3s var(--ease);
    font-size: 1rem;
}

.info-link:hover {
    color: var(--color-copper);
}

/* ============== FOOTER ============== */
.site-footer {
    background: var(--color-ink);
    color: var(--color-paper);
    padding: var(--space-2xl) var(--gutter) var(--space-l);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-l);
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-s);
    color: var(--color-paper);
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.4;
}

.footer-tagline span {
    font-size: 0.85rem;
    color: var(--color-stone-soft);
}

.footer-nav {
    display: flex;
    gap: var(--space-m);
    justify-content: center;
}

.footer-nav a {
    font-size: 0.88rem;
    color: var(--color-stone-soft);
    transition: color 0.3s var(--ease);
}

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

.footer-copy {
    font-size: 0.78rem;
    color: var(--color-stone);
    text-align: right;
    letter-spacing: 0.02em;
}

/* ============== RESPONSIVE ============== */
@media (max-width: 980px) {
    .maisons-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .maison {
        grid-column: span 3;
    }
    .maison-featured {
        grid-column: span 6;
        grid-row: auto;
    }
    .maison-featured .maison-visual {
        aspect-ratio: 16 / 9;
    }
    .intro-grid {
        grid-template-columns: 1fr;
        gap: var(--space-l);
    }
    .intro-quote {
        position: static;
    }
    .infos-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .info-card {
        padding: var(--space-m) 0;
        border-bottom: 1px solid var(--color-line);
    }
    .info-card:last-child {
        border-bottom: none;
    }
}

@media (max-width: 680px) {
    .main-nav {
        position: fixed;
        inset: 64px 0 0 0;
        background: var(--color-paper);
        flex-direction: column;
        gap: var(--space-l);
        padding: var(--space-xl) var(--gutter);
        align-items: flex-start;
        transform: translateX(100%);
        transition: transform 0.4s var(--ease-out);
    }
    .main-nav.open {
        transform: translateX(0);
    }
    .nav-link {
        font-family: var(--font-serif);
        font-size: 1.8rem;
        font-weight: 400;
    }
    .nav-toggle {
        display: flex;
    }
    .maisons-grid {
        grid-template-columns: 1fr;
    }
    .maison,
    .maison-featured {
        grid-column: span 1;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-l);
    }
    .footer-brand {
        justify-content: center;
    }
    .footer-copy {
        text-align: center;
    }
    .hero-decor {
        opacity: 0.4 !important;
        width: 110%;
        right: -5%;
    }
}

/* ============== UTILITAIRES ============== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}