/* ============================================
   INDEX.HTML - STYLES EXTERNES
   ============================================ */

/* Variables CSS (déjà définies dans style.css mais répétées pour clarté) */
:root {
    --primary-green: #2E7D32;
    --primary-purple: #6A1B9A;
    --light-green: #4CAF50;
    --light-purple: #9C27B0;
    --bg-primary: #F5F7FA;
    --bg-secondary: #FFFFFF;
    --text-primary: #2C3E50;
    --text-secondary: #5A6C7D;
    --text-muted: #95A5A6;
}

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

nav {
    position: fixed;
    width: 100%;
    z-index: 100;
    transition: all 0.3s;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    padding: 1rem 0;
    box-shadow: none;
}

nav.scrolled,
nav.menu-open {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(46, 125, 50, 0.1);
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo-box {
    padding: 0.4rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
}

nav.scrolled .nav-logo-box {
    background: rgba(46, 125, 50, 0.05);
}

#logo-img {
    height: 90px;
    width: auto;
    object-fit: contain;
    transition: height 0.3s;
}

nav.scrolled #logo-img {
    height: 60px;
}

.desktop-menu {
    display: none;
    gap: 0.5rem;
}

.desktop-menu a {
    padding: 0.625rem 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: 50px;
    transition: all 0.3s;
    text-decoration: none;
}

.desktop-menu a:hover {
    background: rgba(46, 125, 50, 0.1);
    color: var(--primary-green);
}

.mobile-menu-btn {
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 12px;
    background: rgba(46, 125, 50, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

#mobile-menu {
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    margin-top: 0.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

#mobile-menu.hidden {
    display: none;
}

#mobile-menu a {
    padding: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
    text-align: center;
    border-radius: 12px;
    background: rgba(46, 125, 50, 0.05);
    text-decoration: none;
    transition: all 0.3s;
}

#mobile-menu a:hover {
    background: rgba(46, 125, 50, 0.15);
    color: var(--primary-green);
}

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

.hero-section {
    position: relative;
    padding-top: 8rem;
    padding-bottom: 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero-content p {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.cta-row {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    justify-content: center;
    width: auto;
}

/* ============================================
   ANIMATIONS
   ============================================ */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ============================================
   COUNTDOWN TIMER
   ============================================ */

.countdown-timer {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.time-block {
    padding: 0.75rem;
    min-width: 65px;
    text-align: center;
    background: rgba(46, 125, 50, 0.05);
    border-color: rgba(46, 125, 50, 0.2);
}

.time-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-green);
}

.time-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

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

@media (min-width: 768px) {
    .desktop-menu {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    #mobile-menu {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .hero-section {
        padding-top: 9rem;
        padding-bottom: 3rem;
        min-height: auto;
    }

    #logo-img {
        height: 50px;
    }

    nav.scrolled #logo-img {
        height: 38px;
    }

    .cta-row {
        flex-direction: column;
        width: 100%;
    }

    .countdown-timer {
        gap: 0.5rem;
    }

    .time-block {
        padding: 0.5rem;
        min-width: 52px;
    }

    .time-value {
        font-size: 1.1rem;
    }
}