/* 
   DESIGN SYSTEM - Serenity by Saule
   Thème : Luxe, Minimaliste, Doux
*/

:root {
    /* Palette de Couleurs */
    --color-ivory: #FFFFF0;
    --color-nude: #E3C7B6;
    --color-nude-light: #F2E6DF;
    --color-champagne: #F7E7CE;
    --color-black: #1A1A1A;
    --color-grey: #4A4A4A;
    --color-white: #FFFFFF;

    /* Typographie */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Lato', sans-serif;

    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-smooth: all 0.4s ease-out;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-ivory);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
}

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid transparent;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-black);
    color: var(--color-ivory);
    border-color: var(--color-black);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-ivory);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-ivory);
    border-color: var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-ivory);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 1;
    /* Opacité 1 car on a un fond */

    /* Nouveau style demandé */
    background-color: var(--color-black);
    color: var(--color-ivory);
    border: 1px solid var(--color-black);
    padding: 0.5rem 1rem;
    /* Ajout de padding pour l'aspect bouton */
    border-radius: 4px;
    /* Un peu de rondeur pour l'esthétique */
    transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--color-ivory);
    color: var(--color-black);
    border-color: var(--color-black);
    /* opacity: 1; inutile car déjà à 1 */
    /* border-bottom... inutile car on a une bordure complète */
}

.cta-link {
    border-bottom: 1px solid var(--color-ivory);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    /* Important pour le positionnement absolu de la vidéo */
    overflow: hidden;
    /* Pour couper ce qui dépasse */
    padding: 0 var(--spacing-md);
    color: var(--color-ivory);
    /* Texte en clair par défaut sur vidéo */
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    /* Assombrit la vidéo pour lisibilité */
    z-index: 1;
}

.hero-content,
.scroll-indicator {
    position: relative;
    z-index: 2;
    /* Au-dessus de la vidéo et de l'overlay */
}

.hero-content h1 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-ivory);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-ivory);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Values Card */
.value-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-nude-light);
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border-color: var(--color-nude);
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-ivory);
    padding-top: var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: var(--color-champagne);
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    display: block;
    margin-bottom: var(--spacing-xs);
    opacity: 0.7;
}

.footer-col a:hover {
    opacity: 1;
    color: var(--color-champagne);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    padding: var(--spacing-sm);
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Animations simples */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.3s forwards;
}

.fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.6s forwards;
}

/* Responsive Mobile */
.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .navbar {
        padding: var(--spacing-sm);
    }

    .nav-links {
        display: none;
    }

    /* TODO: Menu burger JS */
    .mobile-menu-toggle {
        display: block;
    }

    .hero-actions {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
    }
}