/* =========================================================
   Transport Omna — Style principal
   Design minimaliste : Noir / Blanc + Accent Jaune Sécurité
   ========================================================= */

:root {
    --black: #0d0d0d;
    --black-soft: #1a1a1a;
    --white: #ffffff;
    --off-white: #f7f7f7;
    --gray: #6b6b6b;
    --gray-light: #e4e4e4;
    --accent: #f5b301;        /* jaune sécurité routière */
    --accent-dark: #d69a00;
    --radius: 4px;
    --transition: all .25s ease;
}

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

body {
    font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 90px 0; }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--black); color: var(--white); }

.section-label {
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 10px;
    display: inline-block;
}

.section-title {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.section-sub {
    color: var(--gray);
    max-width: 620px;
    margin-bottom: 40px;
}
.section-dark .section-sub { color: #b8b8b8; }

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .3px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--accent); color: var(--black); }
.btn-accent { background: var(--accent); color: var(--black); }
.btn-accent:hover { background: var(--black); color: var(--white); }
.btn-outline { border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--black); }
.btn-outline-dark { border-color: var(--black); color: var(--black); }
.btn-outline-dark:hover { background: var(--black); color: var(--white); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- Header / Navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(13,13,13,0.97);
    color: var(--white);
    border-bottom: 3px solid var(--accent);
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}
.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo .logo-mark {
    background: var(--accent);
    color: var(--black);
    width: 40px; height: 40px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.logo span.brand-sub { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 34px;
}
.nav-links a {
    font-size: 14.5px;
    font-weight: 500;
    position: relative;
    padding: 6px 0;
    transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--white); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--black) 0%, #1f1f1f 100%);
    color: var(--white);
    padding: 130px 0 110px;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -120px; top: -120px;
    width: 420px; height: 420px;
    background: var(--accent);
    opacity: .08;
    border-radius: 50%;
}
.hero-content { max-width: 640px; position: relative; z-index: 2; }
.hero .section-label { color: var(--accent); }
.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 22px;
    letter-spacing: -1px;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p {
    color: #cfcfcf;
    font-size: 17px;
    max-width: 520px;
    margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 50px; }

.hero-stats {
    display: flex;
    gap: 50px;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}
.hero-stats .stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
}
.hero-stats .stat-label {
    font-size: 13px;
    color: #b8b8b8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- Services / Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }

.card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: var(--transition);
}
.card:hover {
    border-color: var(--black);
    box-shadow: 0 14px 34px rgba(0,0,0,.08);
    transform: translateY(-4px);
}
.card .icon-box {
    width: 56px; height: 56px;
    background: var(--black);
    color: var(--accent);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: 22px;
    transition: var(--transition);
}
.card:hover .icon-box { background: var(--accent); color: var(--black); }
.card h3 { font-size: 19px; margin-bottom: 12px; font-weight: 700; }
.card p { color: var(--gray); font-size: 14.5px; }

/* ---------- Pourquoi nous / features ---------- */
.feature-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-light);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .icon-check {
    width: 32px; height: 32px;
    min-width: 32px;
    background: var(--accent);
    color: var(--black);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
}
.feature-list h4 { font-size: 16px; margin-bottom: 4px; }
.feature-list p { color: var(--gray); font-size: 14px; }

.img-block {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}
.img-block img { width: 100%; height: 460px; object-fit: cover; }
.img-badge {
    position: absolute;
    bottom: -1px; left: -1px;
    background: var(--accent);
    color: var(--black);
    padding: 20px 26px;
    font-weight: 800;
    font-size: 26px;
    border-radius: 0 var(--radius) 0 0;
}
.img-badge span { display: block; font-size: 12px; font-weight: 600; letter-spacing: 1px; }

/* ---------- Flotte ---------- */
.fleet-card { background: var(--black); color: var(--white); border-radius: var(--radius); overflow: hidden; }
.fleet-card .fleet-img { height: 210px; background: #262626; display: flex; align-items: center; justify-content: center; font-size: 48px; color: var(--accent); }
.fleet-card .fleet-body { padding: 24px; }
.fleet-card h3 { margin-bottom: 8px; }
.fleet-card p { color: #b8b8b8; font-size: 13.5px; }

/* ---------- Stats bar ---------- */
.stats-bar {
    background: var(--accent);
    padding: 50px 0;
}
.stats-bar .grid-4 { text-align: center; }
.stats-bar .stat-num { font-size: 36px; font-weight: 800; color: var(--black); }
.stats-bar .stat-label { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: #3a3a3a; }

/* ---------- Testimonials / CTA ---------- */
.cta-banner {
    background: var(--black);
    color: var(--white);
    padding: 70px 0;
    text-align: center;
}
.cta-banner h2 { font-size: 30px; margin-bottom: 20px; }
.cta-banner p { color: #cfcfcf; max-width: 560px; margin: 0 auto 30px; }

/* ---------- Contact ---------- */
.contact-info-card {
    background: var(--black);
    color: var(--white);
    border-radius: var(--radius);
    padding: 40px;
}
.contact-info-card .info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info-card .info-item .icon-box { background: var(--accent); color: var(--black); width: 44px; height: 44px; min-width: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.contact-info-card h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); margin-bottom: 4px;}
.contact-info-card p { color: #d8d8d8; font-size: 14.5px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .5px; }
.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--gray-light);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14.5px;
    transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--black); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.alert { padding: 14px 18px; border-radius: var(--radius); font-size: 14px; margin-bottom: 20px; }
.alert-success { background: #e7f6ec; color: #1a7a3d; border: 1px solid #b7e3c4; }
.alert-error { background: #fdeceb; color: #c0392b; border: 1px solid #f3bcb6; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: #cfcfcf; padding-top: 70px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid #2a2a2a; }
.footer-grid h4 { color: var(--white); font-size: 15px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 22px; }
.footer-grid p { font-size: 14px; margin-bottom: 18px; color: #a9a9a9; }
.footer-grid ul li { margin-bottom: 12px; }
.footer-grid ul li a { font-size: 14px; color: #a9a9a9; transition: var(--transition); }
.footer-grid ul li a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 38px; height: 38px;
    border: 1px solid #3a3a3a;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--black); border-color: var(--accent); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: #a9a9a9; font-size: 14px; }
.footer-contact li i { color: var(--accent); margin-top: 3px; }

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13.5px;
    color: #8a8a8a;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom a.dev-link {
    color: var(--accent);
    font-weight: 600;
    transition: var(--transition);
}
.footer-bottom a.dev-link:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 40px; }
}
@media (max-width: 768px) {
    .nav-links { position: fixed; top: 73px; left: 0; right: 0; background: var(--black); flex-direction: column; padding: 20px 24px; gap: 20px; transform: translateY(-150%); transition: var(--transition); border-bottom: 3px solid var(--accent); }
    .nav-links.open { transform: translateY(0); }
    .nav-toggle { display: flex; }
    .nav-cta .btn span { display: none; }
    .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero { padding: 100px 0 70px; }
    .hero h1 { font-size: 32px; }
    .section { padding: 60px 0; }
    .footer-bottom { flex-direction: column; text-align: center; }
}