/* ============================================================
   APPLIBAT — design system
   Palette : bleu marine / bleu ciel, sobre, "sérieux banque"
   Signature : motif de cotation (traits + amorces, vocabulaire du plan
   de construction) utilisé comme séparateur entre sections.
   ============================================================ */

:root {
  --navy: #0b2545;
  --navy-2: #123661;
  --navy-3: #1a4680;
  --sky: #2f7dc9;
  --sky-light: #eaf4fb;
  --sky-line: #b9d9ef;
  --ink: #1b2a3a;
  --ink-soft: #4d5f70;
  --white: #ffffff;
  --line: rgba(11, 37, 69, 0.12);
  --shadow: 0 8px 24px rgba(11, 37, 69, 0.08);
  --radius: 10px;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Manrope", "Inter", sans-serif;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--sky); }

.eyebrow {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 0.9em;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Nav ---------- */
header.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: "Manrope", sans-serif; font-weight: 800; font-size: 1.25rem;
  color: var(--navy); text-decoration: none; letter-spacing: -0.02em;
}
.logo span { color: var(--sky); }
nav.links { display: flex; gap: 28px; align-items: center; }
nav.links a {
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
nav.links a:hover, nav.links a.active { color: var(--navy); border-bottom-color: var(--sky); }
.nav-cta {
  background: var(--navy); color: var(--white) !important; padding: 10px 18px !important;
  border-radius: 8px; border-bottom: none !important;
}
.nav-cta:hover { background: var(--navy-3) !important; border-bottom: none !important; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--sky-light);
  overflow: hidden;
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--sky-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sky-line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner { position: relative; max-width: 760px; }
.hero p.lead { font-size: 1.2rem; color: var(--ink); max-width: 620px; }

/* ---------- Boutons ---------- */
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 0.98rem; text-decoration: none;
  padding: 14px 24px; border-radius: 9px; border: 2px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-3); }
.btn-secondary { background: var(--white); color: var(--navy); border-color: var(--navy); }
.btn-secondary:hover { background: var(--sky-light); }

/* ---------- Séparateur "cotation" (signature) ---------- */
.dim-divider {
  display: flex; align-items: center; gap: 10px;
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
}
.dim-divider .tick { width: 1px; height: 14px; background: var(--sky-line); }
.dim-divider .line { flex: 1; height: 1px; background: var(--sky-line); }
.dim-divider .tick-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; color: var(--ink-soft);
  text-transform: uppercase; white-space: nowrap;
}

/* ---------- Sections ---------- */
section.block { padding: 72px 0; }
section.block.tinted { background: var(--sky-light); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 10px; }
.card .step-index {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy); color: var(--white);
  font-family: "Manrope", sans-serif; font-weight: 800; font-size: 0.9rem;
  margin-bottom: 14px;
}

/* ---------- Tarifs ---------- */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 760px; margin: 0 auto; }
.price-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; text-align: center; box-shadow: var(--shadow);
}
.price-card.highlight { border: 2px solid var(--navy); }
.price-value { font-family: "Manrope", sans-serif; font-weight: 800; color: var(--navy); font-size: 2.4rem; }
.price-value small { font-size: 1rem; font-weight: 600; color: var(--ink-soft); }
.price-sub { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 18px; }
.price-list { list-style: none; padding: 0; margin: 18px 0 0; text-align: left; }
.price-list li { padding: 6px 0; border-top: 1px solid var(--line); font-size: 0.95rem; }
.price-list li:first-child { border-top: none; }

/* ---------- Formulaire ---------- */
form.contact-form { max-width: 480px; }
form.contact-form label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: 0.92rem; }
form.contact-form input, form.contact-form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 1rem; background: var(--white);
}
form.contact-form input:focus, form.contact-form select:focus {
  outline: 2px solid var(--sky); outline-offset: 1px; border-color: var(--sky);
}

/* ---------- CTA final ---------- */
.cta-final { background: var(--navy); color: var(--white); text-align: center; padding: 64px 0; }
.cta-final h2 { color: var(--white); }
.cta-final .btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.cta-final .btn-secondary:hover { background: rgba(255,255,255,0.08); }
.cta-final .btn-primary { background: var(--sky); }
.cta-final .btn-primary:hover { background: #4c93d6; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy-2); color: rgba(255,255,255,0.7);
  padding: 40px 0 28px; font-size: 0.88rem;
}
footer.site-footer a { color: rgba(255,255,255,0.85); }
footer.site-footer .foot-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer.site-footer .foot-links { display: flex; gap: 20px; }

/* ---------- Divers ---------- */
.note-box {
  background: var(--sky-light); border-left: 3px solid var(--sky);
  padding: 16px 20px; border-radius: 0 8px 8px 0; font-size: 0.95rem; color: var(--ink);
}
.legal-section { max-width: 760px; }
.legal-section h2 { margin-top: 2em; }

@media (max-width: 860px) {
  .grid-3, .grid-2, .price-grid { grid-template-columns: 1fr; }
  nav.links { display: none; }
  .nav-toggle { display: block; }
}