/* ========================================
   LANDING PAGE - Styles Premium
======================================== */

:root {
    /* Palette de couleurs - Dégradé chaud */
    --color-cream: #FDF8F3;
    --color-peach: #F5D5C0;
    --color-coral: #E8A07A;
    --color-orange: #D4764E;
    --color-rust: #C45C3A;
    --color-terracotta: #A84832;
    
    /* Couleurs texte */
    --text-dark: #3D2820;
    --text-medium: #6B4D3E;
    --text-light: #8B6B5A;
    
    /* Typographie */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset de base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.6;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

/* ========================================
   LANDING PAGE
======================================== */
.landing {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
    
    /* Dégradé principal - Du crème vers l'orange/rouge */
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(253, 248, 243, 0.8) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(196, 92, 58, 0.4) 0%, transparent 50%),
        linear-gradient(
            135deg,
            var(--color-cream) 0%,
            var(--color-peach) 30%,
            var(--color-coral) 60%,
            var(--color-rust) 100%
        );
    background-size: 100% 100%;
}

.landing * {
    cursor: none !important;
}

/* Curseur personnalisé clé */
.custom-cursor {
    position: fixed;
    width: 50px;
    height: auto;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.8;
    transition: transform 0.2s ease;
    transform: translate(-50%, -50%);
}

/* Overlay de texture pour effet premium */
.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Effet de lumière ambiante animée */
.landing::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(255, 255, 255, 0.15) 0%,
        transparent 40%
    );
    animation: ambientLight 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes ambientLight {
    0%, 100% {
        transform: translate(0%, 0%) scale(1);
        opacity: 0.5;
    }
    25% {
        transform: translate(10%, 10%) scale(1.1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-5%, 15%) scale(0.9);
        opacity: 0.4;
    }
    75% {
        transform: translate(-10%, -5%) scale(1.05);
        opacity: 0.6;
    }
}

/* Contenu centré */
.landing-content {
    text-align: center;
    z-index: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ========================================
   INITIALES LL - Animation Premium
======================================== */
.initials {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 20vw, 14rem);
    font-weight: 600;
    letter-spacing: 0;
    margin-bottom: var(--spacing-lg);
    margin-top: -6rem;
    display: inline-block;
    position: relative;
    width: 1em;
    height: 1.2em;
}

.letter {
    position: absolute;
    
    /* Animation d'entrée sophistiquée */
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    animation: letterRevealPremium 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Premier L - Couleur foncée en haut à gauche */
.letter-dark {
    color: #7A4833;
    top: 0;
    left: 0;
    z-index: 2;
    animation-delay: 0.3s;
}

/* Deuxième L - Couleur claire décalé en bas à droite */
.letter-light {
    color: #B88A74;
    top: 0.15em;
    left: 0.25em;
    z-index: 1;
    animation-delay: 0.5s;
}

@keyframes letterRevealPremium {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
        filter: blur(10px);
    }
    60% {
        opacity: 1;
        transform: translateY(-5px) scale(1.02);
        filter: blur(0);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

/* Effet de lueur derrière les lettres */
.letter::before {
    content: '';
    position: absolute;
    inset: -10%;
    filter: blur(40px);
    opacity: 0;
    animation: glowPulse 4s ease-in-out infinite;
    animation-delay: 2s;
    z-index: -1;
}

.letter-dark::before {
    background: rgba(122, 72, 51, 0.2);
}

.letter-light::before {
    background: rgba(184, 138, 116, 0.2);
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.05);
    }
}

/* ========================================
   BOUTON ENTRER - Style Premium
======================================== */
.btn-enter {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: 1.25rem 3rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-dark);
    background: linear-gradient(
        135deg,
        var(--color-peach) 0%,
        var(--color-coral) 100%
    );
    border: 1px solid rgba(61, 40, 32, 0.3);
    border-radius: 60px;
    cursor: pointer;
    position: relative;
    overflow: visible;
    z-index: 100;
    min-width: 400px;
    
    opacity: 0;
    animation: fadeInPremium 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 1.6s;
    
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-spacer {
    width: 30px;
    flex-shrink: 0;
}

.btn-enter:hover {
    background: linear-gradient(
        135deg,
        #F8DBC8 0%,
        #EBA882 100%
    );
    border-color: rgba(61, 40, 32, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(61, 40, 32, 0.15);
}

.btn-enter:hover::before,
.btn-enter:hover::after {
    background: #5A4438;
}

/* Trou de serrure au centre du bouton */
.btn-enter::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -60%);
    width: 14px;
    height: 14px;
    background: #3D2820;
    border-radius: 50%;
    z-index: 2;
}

.btn-enter::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -15%);
    width: 10px;
    height: 18px;
    background: #3D2820;
    clip-path: polygon(30% 0%, 70% 0%, 100% 100%, 0% 100%);
    z-index: 2;
}

.btn-enter span {
    position: relative;
    z-index: 1;
}

.arrow-icon {
    width: 20px;
    height: 20px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
}

.btn-enter:hover .arrow-icon {
    transform: translateX(8px);
}

@keyframes fadeInPremium {
    0% {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}



/* ========================================
   ÉLÉMENTS DÉCORATIFS
======================================== */

/* Cercle décoratif rotatif */
.landing-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: clamp(300px, 50vw, 600px);
    height: clamp(300px, 50vw, 600px);
    border: 1px solid rgba(61, 40, 32, 0.06);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: rotateCircle 60s linear infinite;
    pointer-events: none;
}

.landing-content::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: clamp(400px, 65vw, 800px);
    height: clamp(400px, 65vw, 800px);
    border: 1px solid rgba(61, 40, 32, 0.03);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: rotateCircle 90s linear infinite reverse;
    pointer-events: none;
}

@keyframes rotateCircle {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 768px) {
    .initials {
        font-size: clamp(4rem, 28vw, 8rem);
    }
    
    .btn-enter {
        padding: 1rem 2rem;
        font-size: 0.65rem;
        letter-spacing: 0.2em;
        min-width: auto;
    }
    
    .btn-spacer {
        width: 15px;
    }
    
    .landing-content::before,
    .landing-content::after {
        display: none;
    }
    
    .custom-cursor {
        display: none !important;
    }
    
    body.landing-page,
    body.landing-page * {
        cursor: auto !important;
    }
}

@media (max-width: 480px) {
    .initials {
        font-size: clamp(3rem, 25vw, 6rem);
    }
    
    .btn-enter {
        padding: 0.9rem 1.8rem;
        font-size: 0.6rem;
        min-width: auto;
    }
    
    .btn-spacer {
        width: 10px;
    }
    
    .custom-cursor {
        display: none !important;
    }
    
    body.landing-page,
    body.landing-page * {
        cursor: auto !important;
    }
}

/* ========================================
   PRÉFÉRENCES UTILISATEUR
======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}