/**
 * TerangaExplorer - Critical CSS
 * Styles critiques au-dessus de la ligne de flottaison (Above the Fold)
 * Chargé en priorité pour optimiser FCP/LCP
 */

/* 1. Reset de base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    padding: 0;
    font-family: var(--te-font-body, 'Inter', sans-serif);
    color: var(--te-text-main, #333);
    background-color: var(--te-color-light, #F9F9F9);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 2. Header (Sticky avec Glassmorphism) */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.te-header-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.97);
}

[data-theme="dark"] .site-header {
    background: rgba(15, 23, 42, 0.92);
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .site-header.te-header-scrolled {
    background: rgba(15, 23, 42, 0.97);
}

/* 3. Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--te-max-width, 1280px);
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 3rem);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2rem);
    margin: 0;
    padding: 0;
}

.main-navigation a {
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--te-text-main, #333);
    transition: color 0.2s ease;
}

.main-navigation a:hover {
    color: var(--te-color-primary, #1B4965);
}

/* 4. Hero Section */
.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: clamp(500px, 85vh, 950px);
    overflow: hidden;
    color: #fff;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.55) 100%);
    z-index: 1;
}

.hero-section > * {
    position: relative;
    z-index: 2;
}

/* 5. Typographie critique */
h1, h2, h3 {
    font-family: var(--te-font-heading, 'Outfit', sans-serif);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* 6. Container */
.container {
    max-width: var(--te-max-width, 1280px);
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 3rem);
    width: 100%;
}

/* 7. Animations critiques */
@keyframes te-fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes te-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

[data-te-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

[data-te-animate].te-animated {
    opacity: 1;
    transform: translateY(0);
}

/* 8. Transition de page (Swup) */
.swup-transition-main {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html.is-animating .swup-transition-main {
    opacity: 0;
    transform: translateY(8px);
}

/* 9. Utilitaires critiques */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}