/* =========================================
   VARIABLES & THEME ULTRA LUXE
   ========================================= */
   :root {
    /* Couleurs très profondes et riches */
    --clr-bg: #050505;
    --clr-bg-alt: #0a0a0a;
    --clr-bg-light: #111111;
    --clr-text: #ffffff;
    --clr-text-muted: #888888;
    --clr-gold: #c5a059; /* Accent or/bronze subtil */
    
    /* Typographie raffinée */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espacements */
    --space-xl: 10rem;
    --space-lg: 6rem;
    
    /* Animations ultra fluides */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-slow: 1.2s var(--ease-out-expo);
    --transition-fast: 0.4s var(--ease-out-expo);
}

/* =========================================
   RESET & BASE
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--clr-bg);
}

body.dark-luxe {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-weight: 300;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

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

/* =========================================
   TYPOGRAPHIE
   ========================================= */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
}

h2 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.subtitle {
    display: block;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.75rem;
    margin-bottom: 1.5rem;
}

.gold-accent {
    color: var(--clr-gold);
}

p {
    color: var(--clr-text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    max-width: 500px;
}

.highlight {
    color: var(--clr-text);
    font-size: 1.25rem;
    font-weight: 400;
    border-left: 1px solid var(--clr-gold);
    padding-left: 1.5rem;
    margin-top: 2.5rem;
}

/* =========================================
   HEADER GLASSMORPHISM
   ========================================= */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2.5rem 0;
    z-index: 1000;
    transition: all 0.6s var(--ease-out-expo);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    padding: 1.2rem 0;
    background: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(12px) saturate(120%);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 0.2em;
}

.nav-list {
    display: flex;
    gap: 4rem;
    align-items: center;
    list-style: none;
}

.nav-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: relative;
    color: var(--clr-text-muted);
}

.nav-link:hover {
    color: var(--clr-text);
}

.btn-contact {
    color: var(--clr-text);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.6rem 1.5rem;
    border-radius: 2px;
}

.btn-contact:hover {
    background-color: var(--clr-text);
    color: var(--clr-bg);
}

/* =========================================
   HERO PARALLAX
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: -10%;
    left: 0;
    width: 100%;
    height: 120%; /* Plus grand pour le parallax */
    background-image: linear-gradient(rgba(5,5,5,0.4), rgba(5,5,5,0.9)), url('assets/hero_dark_interior.png');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(5rem, 12vw, 10rem);
    letter-spacing: 0.15em;
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    letter-spacing: 0.5em;
    display: flex;
    align-items: center;
    gap: 20px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    color: var(--clr-text-muted);
}

.hero-subtitle .line {
    width: 60px;
    height: 1px;
    background-color: var(--clr-gold);
    opacity: 0.5;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.mouse {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--clr-text) 50%, transparent 50%);
    background-size: 100% 200%;
    animation: scrollLine 2s infinite linear;
}

@keyframes scrollLine {
    0% { background-position: 100% 100%; }
    100% { background-position: 100% -100%; }
}

/* =========================================
   MANIFESTO / ABOUT ASYMETRIQUE
   ========================================= */
.manifesto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8rem;
    align-items: center;
}

.manifesto-text {
    padding-right: 2rem;
}

.manifesto-image {
    position: relative;
    padding-top: 150px;
}

.img-wrapper {
    overflow: hidden;
    position: relative;
    aspect-ratio: 3/4;
}

.img-wrapper img {
    width: 100%;
    height: 120%; /* Extra height for parallax */
    object-fit: cover;
    object-position: top;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--clr-gold);
    padding-bottom: 5px;
    color: var(--clr-text);
}

.btn-link:hover {
    gap: 15px;
    color: var(--clr-gold);
}

/* =========================================
   SERVICES LUXE
   ========================================= */
#services {
    background-color: var(--clr-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.service-box {
    border: 1px solid rgba(255,255,255,0.03);
    padding: 4rem 3rem;
    background: var(--clr-bg);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(45deg, transparent, rgba(197, 160, 89, 0.03), transparent);
    transform: translateY(100%);
    transition: var(--transition-slow);
}

.service-box:hover {
    border-color: rgba(197, 160, 89, 0.2);
    transform: translateY(-10px);
}

.service-box:hover::before {
    transform: translateY(0);
}

.service-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--clr-bg-light);
    line-height: 1;
    display: block;
    margin-bottom: 1.5rem;
    transition: var(--transition-slow);
}

.service-box:hover .service-num {
    color: var(--clr-gold);
}

.service-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-box p {
    font-size: 1rem;
    margin: 0;
}

/* =========================================
   PORTFOLIO ASYMMETRIC GRID
   ========================================= */
.gallery-asymmetric {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item.large {
    grid-column: 1 / 8;
    grid-row: 1 / 6;
}

.gallery-item.tall {
    grid-column: 8 / 13;
    grid-row: 2 / 8;
}

.gallery-item.wide {
    grid-column: 2 / 7;
    grid-row: 6 / 9;
}

.gallery-item.small {
    grid-column: 7 / 11;
    grid-row: 8 / 11;
}

.gallery-img-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.gallery-img-container img {
    width: 100%;
    height: 120%;
    object-fit: cover;
    transition: transform 1.5s var(--ease-out-expo);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.gallery-overlay span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--clr-gold);
}

/* =========================================
   FOOTER LUXE
   ========================================= */
.business-card-footer {
    background-color: #000;
    padding: 8rem 2rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.bc-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.bc-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    letter-spacing: 0.2em;
}

.bc-signature-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.signature {
    font-family: 'Great Vibes', cursive;
    font-size: 4.5rem;
    color: var(--clr-text);
    line-height: 1;
    font-weight: 300;
}

.signature-line {
    width: 150px;
    height: 1px;
    background-color: var(--clr-gold);
    margin-top: 15px;
    opacity: 0.5;
}

.bc-contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    align-items: flex-start;
    margin-bottom: 6rem;
}

.bc-contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--clr-text-muted);
}

.bc-contact-item:hover {
    color: var(--clr-text);
}

.bc-icon {
    width: 20px;
    height: 20px;
    stroke: var(--clr-gold);
    stroke-width: 1.2;
    fill: none;
}

.copyright {
    text-align: center;
    font-size: 0.7rem;
    color: #444;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* =========================================
   ANIMATIONS OBSERVER CLASSES
   ========================================= */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
}

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

.reveal-text {
    opacity: 0;
    clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
    transform: translateY(20px);
    transition: opacity 1.2s var(--ease-out-expo), clip-path 1.2s var(--ease-out-expo), transform 1.2s var(--ease-out-expo);
}

.reveal-text.in-view {
    opacity: 1;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 992px) {
    .manifesto-grid { grid-template-columns: 1fr; gap: 4rem; }
    .manifesto-image { padding-top: 0; }
    .services-wrapper { grid-template-columns: 1fr; }
    
    .gallery-asymmetric { display: flex; flex-direction: column; }
    .gallery-item { aspect-ratio: 4/3; }
    
    .nav-list { display: none; }
}