/* ============================================================
   BELEEZ GROUPE — CSS Principal
   Charte graphique officielle v1.0
   ============================================================ */

/* ── Variables CSS ────────────────────────────────────────── */
:root {
    /* Couleurs primaires (issues du logo) */
    --bg-navy:       #1B3A6B;   /* Bleu marine profond — "BELEEZ" */
    --bg-burgundy:   #8B1A2E;   /* Bordeaux/Cramoisi — swoosh & "Groupe" */

    /* Déclinaisons */
    --bg-navy-dark:    #122850;
    --bg-navy-light:   #2A4F8F;
    --bg-burgundy-dark:#6A1020;
    --bg-burgundy-light:#A83040;

    /* Neutres */
    --bg-white:      #FFFFFF;
    --bg-off-white:  #F7F8FC;
    --bg-light:      #EEF1F7;
    --bg-gray:       #8A94A6;
    --bg-dark:       #1C1C2E;
    --bg-text:       #2C3A50;

    /* Couleur d'accent */
    --bg-gold:       #C8A951;

    /* Typographie */
    --font-heading:  'Montserrat', 'Arial Black', sans-serif;
    --font-body:     'Montserrat', Arial, sans-serif;
    --font-accent:   'Playfair Display', Georgia, serif;

    /* Espacements */
    --space-xs:   0.5rem;
    --space-sm:   1rem;
    --space-md:   1.5rem;
    --space-lg:   2.5rem;
    --space-xl:   4rem;
    --space-xxl:  6rem;

    /* Bordures */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  16px;
    --radius-pill:50px;

    /* Ombres */
    --shadow-sm:  0 2px 8px rgba(27, 58, 107, 0.10);
    --shadow-md:  0 6px 24px rgba(27, 58, 107, 0.15);
    --shadow-lg:  0 12px 40px rgba(27, 58, 107, 0.20);
    --shadow-btn: 0 4px 15px rgba(139, 26, 46, 0.35);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--bg-text);
    background: var(--bg-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; transition: var(--transition); }
ul  { list-style: none; }

/* ── Container ────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ── Typographie ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--bg-navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.1rem; }

.text-burgundy { color: var(--bg-burgundy); }
.text-navy     { color: var(--bg-navy); }
.text-gold     { color: var(--bg-gold); }
.text-white    { color: var(--bg-white); }
.text-center   { text-align: center; }

/* ── Boutons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--bg-burgundy);
    color: var(--bg-white);
    border-color: var(--bg-burgundy);
    box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
    background: var(--bg-burgundy-dark);
    border-color: var(--bg-burgundy-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 26, 46, 0.45);
}

.btn-secondary {
    background: var(--bg-navy);
    color: var(--bg-white);
    border-color: var(--bg-navy);
}
.btn-secondary:hover {
    background: var(--bg-navy-dark);
    border-color: var(--bg-navy-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--bg-navy);
    border-color: var(--bg-navy);
}
.btn-outline:hover {
    background: var(--bg-navy);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--bg-white);
    border-color: var(--bg-white);
}
.btn-outline-white:hover {
    background: var(--bg-white);
    color: var(--bg-navy);
}

.btn-outline-nav {
    background: transparent;
    color: var(--bg-burgundy);
    border: 2px solid var(--bg-burgundy);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}
.btn-outline-nav:hover {
    background: var(--bg-burgundy);
    color: var(--bg-white);
}

.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.8rem; }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.navbar.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo { height: 50px; width: auto; }
.navbar.scrolled .nav-logo { height: 40px; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.3px;
    color: var(--bg-text);
    position: relative;
    padding: 0.25rem 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--bg-burgundy);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--bg-navy); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span {
    display: block;
    width: 25px; height: 2px;
    background: var(--bg-navy);
    transition: var(--transition);
    border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero Section ────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-navy-dark) 0%, var(--bg-navy) 50%, #1E3A6E 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%; right: -10%;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 26, 46, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%; left: -5%;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 169, 81, 0.10) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--space-xxl) 0;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--bg-gold);
    margin-bottom: var(--space-sm);
    border-left: 3px solid var(--bg-burgundy);
    padding-left: 0.75rem;
}

.hero h1 {
    color: var(--bg-white);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero h1 span { color: var(--bg-gold); }

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin-bottom: var(--space-lg);
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Ligne décorative */
.hero-line {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 40%;
    background: linear-gradient(180deg, var(--bg-burgundy-dark), var(--bg-burgundy));
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    opacity: 0.08;
}

/* ── Section commune ─────────────────────────────────────── */
.section {
    padding: var(--space-xxl) 0;
}
.section-light { background: var(--bg-off-white); }
.section-navy  { background: var(--bg-navy); color: var(--bg-white); }
.section-navy h2, .section-navy h3, .section-navy h4 { color: var(--bg-white); }

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}
.section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--bg-burgundy);
    margin-bottom: var(--space-xs);
}
.section-title { margin-bottom: var(--space-sm); }
.section-divider {
    width: 60px; height: 3px;
    background: linear-gradient(90deg, var(--bg-navy), var(--bg-burgundy));
    margin: var(--space-sm) auto 0;
    border-radius: 3px;
}
.section-sub {
    max-width: 600px;
    margin: var(--space-sm) auto 0;
    color: var(--bg-gray);
    font-size: 1.05rem;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(27, 58, 107, 0.08);
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-icon {
    width: 64px; height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: var(--space-md);
}
.card-icon-navy     { background: rgba(27,58,107,0.10);  color: var(--bg-navy); }
.card-icon-burgundy { background: rgba(139,26,46,0.10);  color: var(--bg-burgundy); }
.card-icon-gold     { background: rgba(200,169,81,0.15); color: var(--bg-gold); }

.card h3 { margin-bottom: var(--space-xs); }
.card p  { color: var(--bg-gray); font-size: 0.95rem; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-md); }

/* ── Stats Bar ───────────────────────────────────────────── */
.stats-bar {
    background: linear-gradient(135deg, var(--bg-navy) 0%, var(--bg-navy-dark) 100%);
    padding: var(--space-xl) 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    text-align: center;
}
.stat-item { padding: var(--space-md); }
.stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--bg-white);
    font-family: var(--font-heading);
    line-height: 1;
}
.stat-value span { color: var(--bg-gold); }
.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    font-size: 0.9rem;
}
.alert-success { background: #e6f4ea; color: #1e7e34; border-left: 4px solid #28a745; }
.alert-info    { background: #e8f0fe; color: #1558ab; border-left: 4px solid var(--bg-navy); }
.alert-warning { background: #fff3cd; color: #856404; border-left: 4px solid #ffc107; }
.alert-danger  { background: #fde8ec; color: #8B1A2E; border-left: 4px solid var(--bg-burgundy); }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-md); }
.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--bg-text);
    margin-bottom: 0.5rem;
}
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #DDE2EC;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--bg-text);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--bg-navy);
    box-shadow: 0 0 0 3px rgba(27, 58, 107, 0.12);
}
.form-control.is-invalid {
    border-color: var(--bg-burgundy);
    box-shadow: 0 0 0 3px rgba(139, 26, 46, 0.12);
}
.form-error {
    color: var(--bg-burgundy);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
textarea.form-control { resize: vertical; min-height: 120px; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.75);
    padding: var(--space-xl) 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
}
.footer-logo {
    height: 56px;
    margin-bottom: var(--space-sm);
    background: var(--bg-white);
    padding: 6px 12px;
    border-radius: var(--radius-md);
}
.footer-tagline {
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--bg-gold);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}
.social-links { display: flex; gap: var(--space-xs); }
.social-links a {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--bg-burgundy);
    border-color: var(--bg-burgundy);
    color: var(--bg-white);
}
.footer-heading {
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--bg-white);
    margin-bottom: var(--space-md);
    font-family: var(--font-heading);
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer-col ul a:hover { color: var(--bg-gold); }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}
.footer-contact i { color: var(--bg-gold); margin-top: 3px; flex-shrink: 0; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--bg-gold); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
    :root { --space-xxl: 4rem; }

    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-md);
        box-shadow: var(--shadow-md);
        gap: var(--space-xs);
    }
    .nav-menu.open { display: flex; }
    .nav-link { padding: 0.5rem 0; width: 100%; }

    .hero-line { display: none; }
    .hero-actions { flex-direction: column; }

    .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
    .footer-bottom { flex-direction: column; gap: var(--space-xs); text-align: center; }
}