/* ================================
   Damottech - Style principal
   ================================ */

:root {
    --bg-dark: #0b1b3a;
    --bg-alt: #0f2348;
    --accent: #3fb5ff;
    --accent-soft: #2b7fd1;
    --text-main: #ffffff;
    --text-muted: #c7d4f5;
    --card-bg: #12254a;
    --border-soft: #1f3764;
    --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.35);
    --radius: 10px;
    --transition: 0.25s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
    font-family: var(--font-main);
    background: radial-gradient(circle at top, #1b3f7a 0, #050b18 55%, #02040a 100%);
    color: var(--text-main);
    line-height: 1.6;
}

/* ================================
   HERO / EN-TÊTE
   ================================ */

.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px 80px;
    overflow: hidden;

    /* Bandeau en fond */
    background: url("banniere-damottech.jpg") center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 10, 25, 0.65);
    backdrop-filter: blur(2px);
}

.hero-content {
    position: relative;
    display: flex;
    gap: 40px;
    max-width: 1100px;
    width: 100%;
    align-items: center;
    z-index: 1;
}

.hero-logo img,
.hero-logo {
    max-width: 220px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(5, 10, 25, 0.7);
}

.hero-text h1 {
    font-size: 2.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.hero-text .subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.hero-text .zones {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.btn-primary {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 999px;
    background: var(--accent);
    color: #021024;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(63, 181, 255, 0.45);
    transition: var(--transition);
}

.btn-primary:hover {
    background: #5fc4ff;
    transform: translateY(-2px);
}

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

.top-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(5, 10, 25, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 30px;
}

.top-nav .nav-brand {
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: var(--accent);
}

.top-nav ul {
    list-style: none;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.top-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 10px;
    border-radius: 999px;
    transition: var(--transition);
}

.top-nav a:hover {
    color: var(--text-main);
    background: rgba(63, 181, 255, 0.12);
}

/* ================================
   SECTIONS
   ================================ */

.section {
    padding: 60px 20px;
}

.section-alt {
    background: linear-gradient(135deg, var(--bg-alt), var(--bg-dark));
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
}

.section h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin-top: 8px;
    border-radius: 999px;
}

.section p {
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ================================
   CARTES DE PRESTATIONS
   ================================ */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-soft);
}

.card h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.card ul {
    list-style: none;
    padding-left: 0;
}

.card li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ================================
   TARIFS
   ================================ */

.tarifs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.tarif-item {
    background: rgba(5, 10, 25, 0.7);
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid var(--border-soft);
}

.tarif-item h3 {
    margin-bottom: 8px;
}

.note-tva {
    margin-top: 18px;
    font-size: 0.9rem;
    color: var(--accent);
}

/* ================================
   ZONES D’INTERVENTION
   ================================ */

.zones-list {
    list-style: none;
    margin: 12px 0;
    padding-left: 0;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.zones-list li {
    background: rgba(63, 181, 255, 0.12);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.9rem;
}

/* ================================
   CONTACT
   ================================ */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 16px;
}

.contact-item {
    background: rgba(5, 10, 25, 0.7);
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid var(--border-soft);
}

.contact-item a {
    color: var(--accent);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-note {
    margin-top: 16px;
    font-size: 0.9rem;
}

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

.footer {
    text-align: center;
    padding: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(5, 10, 25, 0.9);
}

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

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-logo img {
        margin-bottom: 20px;
    }

    .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .top-nav ul {
        justify-content: flex-start;
    }
}