/* ==========================================
   RESET & BASE STYLES
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-brown: #6B5546;
    --color-gold: #C9A961;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-gray-dark: #333333;
    
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Manrope', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

em {
    font-style: italic;
    color: var(--color-brown);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color:black;
    border-bottom: 1px solid var(--color-gray-medium);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: var(--color-white);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width var(--transition-medium);
}

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-black);
    transition: all var(--transition-fast);
}

.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-medium);
    padding: 2rem;
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 999;
    transform: translateY(-100%);
    transition: transform var(--transition-medium);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-link {
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: var(--color-black);
    transition: color var(--transition-fast);
    padding: 0.5rem 0;
}

.mobile-link:hover {
    color: var(--color-brown);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../medias/images/Design sans titre (7).png');
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(5rem, 6vw, 7rem);
    padding: 10px;
    color: var(--color-white);
    font-weight: 100;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.1rem);
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-white);
    max-width: 600px;
    margin: 0 auto 4rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.8s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 1.2s forwards;
}

.scroll-text {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-white);
}

.scroll-indicator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollMove 2s ease infinite;
}

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes scrollMove {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.3;
    }
}

/* ==========================================
   PHILOSOPHY SECTION
   ========================================== */

.philosophy {
    padding: 10rem 2rem;        /* plus d’espace vertical */
    min-height: 80vh;           /* section toujours imposante */
    background-color: var(--color-white);
    margin: 0 auto;
    max-width: 1200px;

    display: block;             /* conteneur normal */
    text-align: center;         /* texte centré horizontalement */
}

.section-label {
    font-size: 2rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 300;
    margin-bottom: 1rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
    align-items: start; /* reste aligné en haut */
}

.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.philosophy-text {
    font-size: clamp(1rem, 1.5vw, 2rem);
    line-height: 1.8;
    color: var(--color-gray-dark);
    margin: 0 auto;  /* centrer horizontalement */
}

/* ==========================================
   MISSION SECTION
   ========================================== */

.mission {
    padding: var(--spacing-xl) 0;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('../medias/images/télécharger (14).jpg');
     background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
}

.mission-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.mission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.mission-card {
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.mission-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
}

.card-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-gold);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.card-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-light);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 2px solid var(--color-black);
    transition: all var(--transition-medium);
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: 3rem 0;
    background-color: var(--color-black);
    color: var(--color-white);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    opacity: 0.7;
}

.footer-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .mission-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2.5rem;

    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-scroll {
        bottom: 2rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .mission-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .hero {
        padding: 5rem 1rem 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .mission-card {
        padding: 1.5rem;
    }
    
    .card-number {
        font-size: 2.5rem;
    }
    
    .btn-primary {
        padding: 0.875rem 2rem;
        font-size: 0.85rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Portrait tablets and large phones */
@media (min-width: 481px) and (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .mission-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Landscape tablets and small laptops */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-title {
        font-size: 4.5rem;
    }
    
    .nav-menu {
        gap: 2rem;
    }
}

/* Extra large screens */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
}