/* ===== VARIABLES ===== */
:root {
    --color-cold-sky: #4A6B7C;
    --color-frost: #7FA9BE;
    --color-wool: #EDD8E2;
    --color-caramel: #D4BFB0;
    --color-cookies: #C4A89A;
    --color-light-bg: #F5F9FB;
    --color-border: #E5F1F5;
    --font-header: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(74,107,124,0.12);
    --shadow-hover: 0 8px 32px rgba(74,107,124,0.22);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: #333;
    font-size: 16px;
    line-height: 1.6;
    background: #fff;
}
a { color: var(--color-cold-sky); text-decoration: none; }
a:hover { color: var(--color-frost); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5 { font-family: var(--font-header); color: var(--color-cold-sky); line-height: 1.3; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 28px; border-radius: 8px; font-family: var(--font-header);
    font-weight: 600; font-size: 1rem; cursor: pointer; border: none;
    transition: all 0.2s ease; text-decoration: none; line-height: 1;
}
.btn-primary {
    background: var(--color-cold-sky); color: #fff;
}
.btn-primary:hover { background: #3a5568; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-secondary {
    background: transparent; color: var(--color-cold-sky); border: 2px solid var(--color-cold-sky);
}
.btn-secondary:hover { background: var(--color-cold-sky); color: #fff; }
.btn-white { background: #fff; color: var(--color-cold-sky); font-weight: 700; }
.btn-white:hover { background: #f0f4f6; color: var(--color-cold-sky); }
.btn-block { width: 100%; display: flex; }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-lg { padding: 18px 36px; font-size: 1.1rem; }

/* ===== HEADER ===== */
.header {
    background: #fff;
    position: sticky; top: 0; z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* Ligne 1 : Logo + Téléphone */
.header-top {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 24px; max-width: 1200px; margin: 0 auto;
    border-bottom: 1px solid var(--color-border);
}
.header-top-right { display: flex; align-items: center; gap: 16px; }

/* Ligne 2 : Navigation */
.header-nav-bar {
    display: flex; align-items: center; justify-content: center;
    padding: 0 24px; max-width: 1200px; margin: 0 auto;
    gap: 16px; position: relative;
}

.logo { font-family: var(--font-header); font-size: 1.4rem; font-weight: 800; color: var(--color-cold-sky); }
.logo span { color: var(--color-frost); }

.nav { display: flex; gap: 28px; padding: 10px 0; }
.nav-link {
    color: #555; font-weight: 500; font-size: 0.95rem;
    transition: color 0.2s; padding: 6px 0; border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--color-cold-sky); border-bottom-color: var(--color-frost); }

.header-phone {
    display: flex; align-items: center; gap: 8px;
    color: var(--color-cold-sky); font-weight: 700; font-size: 1.05rem;
}
.hamburger { display: none; background: none; border: none; cursor: pointer; color: var(--color-cold-sky); }

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, #E5EEF2 0%, #B8D4E3 100%);
    padding: 72px 0 60px;
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234A6B7C' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; position: relative; }
.hero-text { padding-top: 8px; }
.urgency-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: #e53e3e; color: #fff; padding: 8px 16px;
    border-radius: 20px; font-size: 0.85rem; font-weight: 700;
    margin-bottom: 20px; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.85; } }
.hero h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; }
.highlight { color: var(--color-cold-sky); background: rgba(74,107,124,0.1); padding: 0 6px; border-radius: 4px; }
.hero-subtitle { font-size: 1.1rem; color: #555; margin-bottom: 24px; line-height: 1.7; }
.hero-benefits { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.hero-benefits li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.97rem; }
.hero-benefits li::before {
    content: '✓'; background: var(--color-cold-sky); color: #fff;
    width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; margin-top: 2px;
}
.hero-urgency-message {
    background: rgba(255,255,255,0.7); border-left: 4px solid #e8a838;
    padding: 14px 18px; border-radius: 0 8px 8px 0; font-size: 0.95rem;
    color: #7a5c1e; margin-top: 16px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ===== FORM CARD ===== */
.form-card {
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-hover);
    padding: 32px; border: 1px solid var(--color-border);
    position: relative; overflow: hidden;
}
.form-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--color-cold-sky), var(--color-frost));
}
.form-subtitle {
    font-size: 0.9rem;
    color: #666;
    margin-top: -10px;
    margin-bottom: 24px;
}
.form-subtitle strong {
    color: var(--color-cold-sky);
}

.form-promo-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: #f0f9ff; border: 2px solid var(--color-frost); color: var(--color-cold-sky);
    padding: 6px 14px; border-radius: 20px; font-size: 0.85rem; font-weight: 700;
    margin-bottom: 16px;
}
.form-card h3 { font-size: 1.3rem; margin-bottom: 20px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.87rem; font-weight: 600; color: #444; }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 11px 14px; border: 1.5px solid #dde6ea; border-radius: 8px;
    font-family: var(--font-body); font-size: 0.95rem; transition: border-color 0.2s;
    background: #fafcfd; color: #333;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--color-frost); background: #fff;
    box-shadow: 0 0 0 3px rgba(127,169,190,0.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: #555; }
.form-checkbox input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--color-cold-sky); }
.form-trust-indicators {
    display: flex; gap: 16px; margin-top: 14px; padding-top: 14px;
    border-top: 1px solid var(--color-border);
}
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: #666; }
.trust-item svg { color: var(--color-frost); flex-shrink: 0; }

/* ===== MESSAGES SUCCESS/ERROR ===== */
.alert {
    padding: 16px 20px; border-radius: 8px; margin-bottom: 24px;
    display: flex; align-items: center; gap: 12px; font-weight: 500;
}
.alert-success { background: #e6f9f0; border: 1px solid #6fcf97; color: #1a6b3a; }
.alert-error { background: #fff0f0; border: 1px solid #f87171; color: #b91c1c; }

/* ===== SECTIONS COMMUNES ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--color-light-bg); }
.section-title {
    text-align: center; margin-bottom: 48px;
}
.section-title h2 { font-size: 2rem; margin-bottom: 12px; }
.section-title p { color: #666; font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.section-label {
    display: inline-block; background: var(--color-border); color: var(--color-cold-sky);
    padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px;
}

/* ===== ADVANTAGES GRID ===== */
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.advantage-card {
    background: var(--color-light-bg); border: 1.5px solid var(--color-border);
    border-radius: var(--radius); padding: 32px;
    transition: box-shadow 0.2s, transform 0.2s;
}
.advantage-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.advantage-icon {
    width: 56px; height: 56px; background: var(--color-cold-sky);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px; color: #fff;
}
.advantage-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.advantage-card p { color: #555; font-size: 0.95rem; line-height: 1.6; }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1.5px solid var(--color-border); border-radius: 10px; overflow: hidden; }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; background: none; border: none; cursor: pointer;
    font-family: var(--font-header); font-size: 1rem; font-weight: 600;
    color: var(--color-cold-sky); text-align: left; gap: 12px;
}
.faq-question:hover { background: var(--color-light-bg); }
.faq-question .faq-icon { flex-shrink: 0; transition: transform 0.3s; }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }
.faq-answer {
    display: none; padding: 0 24px 20px;
    color: #555; font-size: 0.97rem; line-height: 1.7;
    border-top: 1px solid var(--color-border);
}
.faq-answer p { margin-top: 10px; }
.faq-answer a { color: var(--color-cold-sky); text-decoration: underline; }

/* ===== ZONES ===== */
.zones-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px; margin-top: 8px;
}
.zone-badge {
    background: #fff; border: 1.5px solid var(--color-border);
    border-radius: 8px; padding: 14px 16px; text-align: center;
    font-size: 0.9rem; font-weight: 600; color: var(--color-cold-sky);
    transition: background 0.2s;
}
.zone-badge:hover { background: var(--color-light-bg); }
.zone-badge .zone-dist { display: block; font-size: 0.78rem; font-weight: 400; color: #888; margin-top: 4px; }
.zone-main { background: var(--color-cold-sky) !important; color: #fff !important; }
.zone-main .zone-dist { color: rgba(255,255,255,0.75) !important; }

/* ===== CTA FINAL ===== */
.cta-final {
    background: linear-gradient(135deg, var(--color-cold-sky) 0%, #2d4a5a 100%);
    padding: 72px 0; text-align: center; color: #fff;
}
.cta-final h2 { color: #fff; font-size: 2rem; margin-bottom: 14px; }
.cta-final p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.trust-badges { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-top: 36px; }
.trust-badge { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.9); font-size: 0.92rem; }
.trust-badge::before { content: '✓'; color: #68d391; font-weight: 700; }

/* ===== FOOTER ===== */
.footer { background: var(--color-cold-sky); color: rgba(255,255,255,0.85); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.15); padding-bottom: 10px; }
.footer-col p, .footer-col li { font-size: 0.9rem; margin-bottom: 8px; color: rgba(255,255,255,0.8); }
.footer-col ul { list-style: none; }
.footer-col a { color: rgba(255,255,255,0.8); }
.footer-col a:hover { color: #fff; }
.footer-hours { font-size: 0.87rem; }
.footer-hours span { display: block; padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-bottom {
    margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.15);
    text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.6);
}
.footer-disclaimer { margin-top: 6px; font-size: 0.8rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .hero h2 { font-size: 2rem; }
    .hero-content { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav { display: none; }
    .hamburger { display: block; }
    .header-nav-bar { justify-content: flex-start; }
    .nav.open {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; left: 0; right: 0;
        background: #fff; padding: 20px 24px; gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        z-index: 999;
    }
    .hero { padding: 48px 0 40px; }
    .hero h2 { font-size: 1.7rem; }
    .section { padding: 48px 0; }
    .section-title h2 { font-size: 1.6rem; }
}
@media (max-width: 480px) {
    .btn-lg { padding: 15px 24px; font-size: 1rem; }
    .form-trust-indicators { flex-direction: column; gap: 8px; }
}