/* =========================================================
   Office Notarial — Anne-Laure Ribérac
   Palette : marine profond / bleu-canard (logo) / parchemin / laiton
   ========================================================= */

:root {
  --marine: #0C2A43;
  --marine-2: #143a5c;
  --canard: #1D6E8C;
  --canard-clair: #4E97BE;
  --parchemin: #F6F1E7;
  --parchemin-2: #EFE7D6;
  --encre: #182029;
  --laiton: #A9834B;
  --laiton-clair: #C8A467;
  --blanc: #FFFFFF;
  --rouge-drapeau: #C8102E;

  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1120px;
}

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--encre);
  background: var(--parchemin);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--marine);
  margin: 0 0 .5em;
}

.eyebrow {
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--laiton);
  font-weight: 600;
  display: inline-block;
  margin-bottom: .9em;
}

/* Filet tricolore — clin d'œil discret au drapeau français, utilisé
   comme séparateur de section plutôt que comme simple décor plaqué. */
.filet-tricolore {
  height: 3px;
  width: 64px;
  background: linear-gradient(to right,
    var(--marine) 0%, var(--marine) 33.33%,
    var(--blanc) 33.33%, var(--blanc) 66.66%,
    var(--rouge-drapeau) 66.66%, var(--rouge-drapeau) 100%);
  border-radius: 2px;
}

/* Petit drapeau français (CSS pur, léger, pas d'image à charger) */
.drapeau-fr {
  display: inline-flex;
  width: 26px;
  height: 18px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,0,0,.12);
  flex: none;
}
.drapeau-fr span { flex: 1; }
.drapeau-fr .bleu { background: #0055A4; }
.drapeau-fr .blanc { background: #FFFFFF; }
.drapeau-fr .rouge { background: #EF4135; }

/* =========================== HEADER =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,241,231,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(169,131,75,.35);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  height: 40px;
  width: auto;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-text strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--marine);
  font-weight: 600;
}
.brand-text span {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--canard);
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
nav.main-nav a {
  font-size: .92rem;
  color: var(--encre);
  position: relative;
  padding: 4px 0;
}
nav.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--laiton);
  transform: scaleX(0);
  transition: transform .25s ease;
}
nav.main-nav a:hover::after { transform: scaleX(1); }

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--marine);
  white-space: nowrap;
  font-size: .95rem;
}
.header-phone svg { flex: none; }

.nav-toggle { display: none; }

/* =========================== HERO =========================== */
.hero {
  background: radial-gradient(120% 140% at 15% 0%, var(--marine-2) 0%, var(--marine) 55%, #081c2e 100%);
  color: var(--parchemin);
  padding: 96px 0 84px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(200,164,103,.05) 0 1px, transparent 1px 120px);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
}

/* Cachet / sceau — élément signature de la page */
.cachet {
  width: 172px;
  height: 172px;
  border-radius: 50%;
  border: 1.5px solid rgba(200,164,103,.55);
  outline: 1px solid rgba(200,164,103,.22);
  outline-offset: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.06), transparent 60%);
  flex: none;
  position: relative;
}
.cachet::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 1px dashed rgba(200,164,103,.35);
}
.cachet img {
  width: 78px;
  height: auto;
  filter: brightness(0) invert(1) sepia(1) saturate(0) opacity(.92);
}

.hero-copy .eyebrow { color: var(--laiton-clair); }
.hero h1 {
  color: var(--blanc);
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  line-height: 1.08;
  max-width: 15ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--canard-clair);
}
.hero p.lead {
  font-size: 1.08rem;
  max-width: 46ch;
  color: rgba(246,241,231,.82);
  margin-bottom: 1.9em;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary {
  background: var(--laiton);
  color: var(--marine);
}
.btn-primary:hover { background: var(--laiton-clair); transform: translateY(-1px); }
.btn-ghost {
  border-color: rgba(246,241,231,.4);
  color: var(--parchemin);
}
.btn-ghost:hover { border-color: var(--parchemin); background: rgba(246,241,231,.06); }

.hero-address {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .88rem;
  color: rgba(246,241,231,.75);
}

/* =========================== SERVICES =========================== */
.section { padding: 92px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(12,42,67,.12);
  border: 1px solid rgba(12,42,67,.12);
}
.service-card {
  background: var(--parchemin);
  padding: 38px 28px;
  transition: background .25s ease;
}
.service-card:hover { background: var(--parchemin-2); }
.service-card .num {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--laiton);
  margin-bottom: 18px;
  display: block;
}
.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: .5em;
}
.service-card p {
  font-size: .9rem;
  color: #4b5763;
  margin: 0;
}

/* =========================== ÉTUDE / À PROPOS =========================== */
.etude {
  background: var(--marine);
  color: var(--parchemin);
}
.etude-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  align-items: start;
}
.etude-portrait {
  border: 1px solid rgba(200,164,103,.35);
  padding: 26px;
  text-align: center;
}
.etude-portrait .initiales {
  font-family: var(--serif);
  font-size: 4.2rem;
  color: var(--laiton-clair);
  border: 1px solid rgba(200,164,103,.4);
  width: 148px;
  height: 148px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}
.etude-portrait strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--blanc);
}
.etude-portrait span {
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--canard-clair);
}
.etude h2 { color: var(--blanc); }
.etude p { color: rgba(246,241,231,.82); }
.etude-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.etude-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .95rem;
  color: rgba(246,241,231,.85);
}
.etude-list li svg { flex: none; margin-top: 3px; color: var(--laiton-clair); }

/* =========================== INFOS PRATIQUES =========================== */
.infos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.info-card {
  background: var(--blanc);
  border: 1px solid rgba(12,42,67,.1);
  border-top: 3px solid var(--laiton);
  padding: 30px 26px;
}
.info-card h3 {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.info-card p { margin: 0; color: #4b5763; font-size: .93rem; }
.info-card a { color: var(--canard); font-weight: 600; }

/* =========================== CONTACT =========================== */
.contact {
  background: var(--parchemin-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
}
.contact-side p { color: #4b5763; }
.contact-side .filet-tricolore { margin-bottom: 18px; }
.contact-coords {
  margin-top: 30px;
  display: grid;
  gap: 16px;
}
.contact-coords div {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .93rem;
}
.contact-coords svg { flex: none; color: var(--laiton); margin-top: 2px; }

form.contact-form {
  background: var(--blanc);
  border: 1px solid rgba(12,42,67,.1);
  padding: 38px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--marine);
  font-weight: 600;
}
.field input,
.field select,
.field textarea {
  border: 1px solid rgba(12,42,67,.22);
  background: var(--parchemin);
  padding: 11px 13px;
  font-family: var(--sans);
  font-size: .95rem;
  color: var(--encre);
  border-radius: 2px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--canard);
  outline-offset: 1px;
  background: var(--blanc);
}
.field textarea { resize: vertical; min-height: 120px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

.form-note {
  font-size: .78rem;
  color: #6b7683;
  margin-top: 6px;
}

.alert {
  padding: 14px 18px;
  border-left: 3px solid var(--canard);
  background: #eaf3f7;
  font-size: .9rem;
  margin-bottom: 22px;
}
.alert.error { border-color: var(--rouge-drapeau); background: #fbeaec; }

/* =========================== FOOTER =========================== */
footer.site-footer {
  background: #081c2e;
  color: rgba(246,241,231,.65);
  padding: 54px 0 28px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(246,241,231,.12);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 34px; }
.footer-brand strong {
  font-family: var(--serif);
  color: var(--blanc);
  font-size: 1.05rem;
}
.footer-cols {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}
.footer-cols h4 {
  color: var(--laiton-clair);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-cols a, .footer-cols li { font-size: .88rem; }
.footer-cols a:hover { color: var(--blanc); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  font-size: .8rem;
}
.footer-bottom .drapeau-fr { width: 20px; height: 14px; }

/* =========================== RESPONSIVE =========================== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .etude-grid { grid-template-columns: 1fr; }
  .infos-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .cachet { width: 120px; height: 120px; }
  .cachet img { width: 56px; }
}

@media (max-width: 720px) {
  nav.main-nav { display: none; }
  .header-phone span.txt { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 72px 0 56px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}