/* =========================================================
   indicatif-telephonique.fr — refonte
   Palette : encre navy / bakélite ambre / signal sarcelle / papier crème
   Display : Fraunces — Texte : IBM Plex Sans — Data : IBM Plex Mono
   ========================================================= */

:root{
  --navy: #0E2233;
  --navy-2: #16324A;
  --navy-3: #1E3E59;
  --cream: #F6F1E7;
  --cream-2: #EFE7D8;
  --ink: #1C1A15;
  --ink-soft: #4A4438;
  --amber: #E2A542;
  --amber-deep: #C97A2B;
  --signal: #4FA491;
  --signal-deep: #357266;
  --line: rgba(28,26,21,0.12);
  --line-dark: rgba(246,241,231,0.16);

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 12px 30px -14px rgba(14,34,51,0.35);
  --container: 1140px;
}

@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior: smooth; }
}

*, *::before, *::after{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
body{
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
#origine-numero .section-head,
#prefixes .section-head{ max-width: 900px; }
#origine-title, #prefixes-title{ font-size: clamp(1.4rem, 2.5vw, 2.05rem); }
@media (min-width: 700px){
  #origine-title, #prefixes-title{ white-space: nowrap; }
}
h3{ font-size: clamp(1.15rem, 2vw, 1.5rem); }
p{ margin: 0 0 1em; }
.lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 62ch; }

.eyebrow{
  display:inline-flex; align-items:center; gap:.5em;
  font-family: var(--font-mono);
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: .9em;
}
.eyebrow::before{
  content:""; width:22px; height:1px; background: var(--amber-deep);
}
section[data-tone="dark"] .eyebrow, .on-dark .eyebrow{ color: var(--amber); }
section[data-tone="dark"] .eyebrow::before, .on-dark .eyebrow::before{ background: var(--amber); }

/* Visually hidden but accessible */
.vh{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* Skip link */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--amber); color: var(--navy); padding: .6em 1em; z-index: 200;
  border-radius: var(--radius-sm); font-weight:600;
}
.skip-link:focus{ left: 16px; top: 16px; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
  outline: 3px solid var(--signal);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Header / Nav ---------- */
header.site{
  position: sticky; top:0; z-index: 100;
  background: rgba(14,34,51,0.94);
  backdrop-filter: blur(6px);
  color: var(--cream);
  border-bottom: 1px solid var(--line-dark);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 24px;
}
.brand{
  display:flex; align-items:center; gap:.6em;
  font-family: var(--font-display); font-weight:700; font-size:1.15rem;
  color: var(--cream); text-decoration:none;
}
.brand .dot{ color: var(--amber); }
.brand svg{ width:26px; height:26px; }
.logo-img{ height: 60px; width: auto; display:block; }
@media (max-width: 480px){ .logo-img{ height: 46px; } }

nav.primary{ display:flex; align-items:center; gap: 28px; margin-left: 56px; }
nav.primary a{
  color: var(--cream); text-decoration:none; font-size: .95rem;
  padding: 6px 2px; border-bottom: 2px solid transparent;
  transition: border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
nav.primary a:hover{ border-color: var(--amber); color: var(--amber); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-family: var(--font-body); font-weight:600; font-size: .95rem;
  padding: .75em 1.4em; border-radius: 999px; border: 1px solid transparent;
  text-decoration:none; cursor:pointer; transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-amber{ background: var(--amber); color: var(--navy); }
.btn-amber:hover{ background: var(--amber-deep); box-shadow: var(--shadow-soft); }
.btn-ghost{ border-color: var(--line-dark); color: var(--cream); background: transparent; }
.btn-ghost:hover{ background: rgba(246,241,231,.08); }
.btn-outline-dark{ border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline-dark:hover{ background: var(--navy); color: var(--cream); }

.nav-toggle{
  display:none; background:none; border:1px solid var(--line-dark); color:var(--cream);
  width:42px; height:42px; border-radius: 8px; align-items:center; justify-content:center;
}

@media (max-width: 880px){
  nav.primary{
    position:absolute; top: 100%; left:0; right:0;
    background: var(--navy); flex-direction:column; align-items:stretch;
    padding: 10px 24px 20px; gap: 4px; margin-left: 0;
    display:none;
  }
  nav.primary.open{ display:flex; }
  nav.primary a{ padding: 12px 4px; border-bottom: 1px solid var(--line-dark); }
  .nav-cta{ display:none; }
  .nav-toggle{ display:inline-flex; }
}

/* ---------- Hero ---------- */
.hero{
  background: radial-gradient(1100px 500px at 78% -10%, var(--navy-3), transparent 60%), var(--navy);
  color: var(--cream);
  padding: 88px 0 70px;
  position: relative;
  overflow: hidden;
}
.hero .container{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items:center;
}
.hero h1{ font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--cream); }
.hero h1 em{ font-style: italic; color: var(--amber); }
.hero .lede{ color: rgba(246,241,231,0.82); }
.hero .cta-row{ display:flex; gap:14px; margin-top: 28px; flex-wrap: wrap; }
.hero-figure{ display:flex; justify-content:center; }
.hero-figure svg{ width: 100%; max-width: 380px; height:auto; }

@media (max-width: 880px){
  .hero .container{ grid-template-columns: 1fr; }
  .hero-figure{ order:-1; margin-bottom: 8px; }
  .hero-figure svg{ max-width: 240px; }
}

/* Ticking dial-hole ring animation on hover */
@media (prefers-reduced-motion: no-preference){
  .dial-ring{ transition: transform 8s cubic-bezier(.2,.7,.2,1); }
  .hero-figure:hover .dial-ring{ transform: rotate(52deg); }
  .dial-finger{ transition: stroke-dashoffset .6s ease; }
}

/* ---------- Sections ---------- */
section{ padding: 72px 0; }
section[data-tone="dark"]{ background: var(--navy); color: var(--cream); }
section[data-tone="dark"] h2{ color: var(--cream); }
section[data-tone="alt"]{ background: var(--cream-2); }
.section-head{ max-width: 720px; margin-bottom: 40px; }

hr.cord{
  border:0; height: 22px; margin: 0 auto 56px;
  max-width: var(--container);
  background: none;
}
hr.cord::before{
  content:"";
  display:block; height:100%;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 20px);
  background-size: 20px 3px; background-repeat: repeat-x; background-position: center;
}

/* ---------- Cards / Tools ---------- */
.tool-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 780px){ .tool-grid{ grid-template-columns: 1fr; } }

.tool-card{
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-soft);
}
.tool-card h3{ margin-bottom: .3em; }
.tool-card .hint{ color: var(--ink-soft); font-size: .92rem; margin-bottom: 1.1em; }

.field{
  display:flex; flex-direction:column; gap:.4em; margin-bottom: 14px;
}
.field label{ font-size: .85rem; font-weight:600; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  font-family: var(--font-mono); font-size: 1rem;
  padding: .7em .85em; border-radius: var(--radius-sm);
  border: 1.5px solid var(--line); background: var(--cream);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--signal); outline:none; }

.phone-input-group{ display:flex; align-items:stretch; }
.phone-input-prefix{
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-weight:700; font-size:1.05rem;
  background: var(--navy); color: var(--amber);
  padding: 0 .9em; border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  border: 1.5px solid var(--navy); border-right: none;
}
.phone-input-group input{
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  flex: 1;
  min-width: 0;
}

.result-box{
  margin-top: 12px; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--cream-2); border: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: .95rem; min-height: 1.4em;
}
.result-box[data-state="ok"]{ background: rgba(79,164,145,0.12); border-color: var(--signal-deep); }
.result-box[data-state="err"]{ background: rgba(201,122,43,0.1); border-color: var(--amber-deep); }
.result-box .code{ font-weight:700; color: var(--signal-deep); font-size: 1.2rem; }

.autocomplete{ position:relative; }
.autocomplete ul{
  list-style:none; margin:0; padding:0; position:absolute; left:0; right:0; top:100%;
  background:#fff; border:1px solid var(--line); border-top:0; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  max-height: 220px; overflow-y:auto; z-index: 20; box-shadow: var(--shadow-soft);
}
.autocomplete li{ padding: .55em .85em; cursor:pointer; font-family: var(--font-mono); font-size: .93rem; }
.autocomplete li:hover, .autocomplete li.active{ background: var(--cream-2); }
.autocomplete[data-empty="true"] ul{ display:none; }

/* ---------- Table ---------- */
.table-wrap{ overflow-x:auto; border-radius: var(--radius); border: 1px solid var(--line); }
table.codes{
  width:100%; border-collapse: collapse; background:#fff; font-size: .95rem;
}
table.codes th, table.codes td{ padding: .7em 1em; text-align:left; border-bottom: 1px solid var(--line); }
table.codes thead th{
  font-family: var(--font-mono); text-transform: uppercase; font-size: .75rem; letter-spacing: .08em;
  background: var(--navy); color: var(--cream);
}
table.codes tbody tr:hover{ background: var(--cream-2); }
table.codes td.code{ font-family: var(--font-mono); font-weight:700; color: var(--signal-deep); }

/* ---------- Zones (regional prefixes) ---------- */
.zone-grid{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
@media (max-width: 880px){ .zone-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .zone-grid{ grid-template-columns: 1fr; } }

.zone-card{
  border-radius: var(--radius); padding: 22px; cursor:pointer;
  border: 1.5px solid var(--line); background:#fff;
  transition: border-color .2s ease, transform .2s ease;
}
.zone-card:hover, .zone-card[aria-expanded="true"]{ border-color: var(--amber-deep); transform: translateY(-2px); }
.zone-card .zn{
  font-family: var(--font-mono); font-size: 2rem; font-weight:700; color: var(--amber-deep);
  display:block; margin-bottom:.2em;
}
.zone-card .region-list{ font-size: .88rem; color: var(--ink-soft); margin-top:.6em; display:none; }
.zone-card[aria-expanded="true"] .region-list{ display:block; }

/* ---------- Pricing (08) ---------- */
.price-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
@media (max-width: 780px){ .price-grid{ grid-template-columns: 1fr; } }
.price-card{
  border-radius: var(--radius); padding: 24px; background: #fff; border: 1px solid var(--line);
  border-top: 5px solid var(--signal);
}
.price-card.mid{ border-top-color: var(--ink-soft); }
.price-card.high{ border-top-color: var(--amber-deep); }
.price-card .num{ font-family: var(--font-mono); font-size: 1.5rem; font-weight:700; }

/* ---------- Tips accordion ---------- */
.tips-list{ display:flex; flex-direction:column; gap: 10px; }
details.tip{
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; padding: 4px 20px;
}
details.tip[open]{ border-color: var(--signal-deep); }
details.tip summary{
  cursor:pointer; padding: 16px 0; font-weight:600; font-family: var(--font-display); font-size: 1.05rem;
  display:flex; justify-content:space-between; align-items:center; list-style:none;
}
details.tip summary::-webkit-details-marker{ display:none; }
details.tip summary::after{ content:"+"; font-family: var(--font-mono); color: var(--amber-deep); font-size:1.4rem; }
details.tip[open] summary::after{ content:"–"; }
details.tip .tip-body{ padding-bottom: 18px; color: var(--ink-soft); }
kbd.code{
  font-family: var(--font-mono); background: var(--navy); color: var(--amber);
  padding: .1em .45em; border-radius: 4px; font-size: .9em;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  background: linear-gradient(120deg, var(--navy), var(--navy-3));
  color: var(--cream); border-radius: var(--radius); padding: 44px;
  display:flex; align-items:center; justify-content:space-between; gap: 28px; flex-wrap:wrap;
}
.cta-banner h3{ color: var(--cream); margin-bottom:.2em; }
.cta-banner p{ color: rgba(246,241,231,.78); margin:0; max-width: 46ch; }

/* ---------- Footer ---------- */
footer.site{
  background: var(--navy); color: rgba(246,241,231,.75); padding: 46px 0 28px; font-size: .9rem;
}
footer.site a{ color: var(--cream); text-decoration: underline; text-decoration-color: rgba(246,241,231,.35); }
.footer-row{ display:flex; justify-content:space-between; gap: 20px; flex-wrap:wrap; margin-bottom: 20px; }
.footer-links{ display:flex; gap: 18px; flex-wrap:wrap; }

/* ---------- Misc pages (devis / surtaxe / mentions) ---------- */
.page-hero{
  background: var(--navy); color: var(--cream); padding: 60px 0 50px;
}
.page-hero h1{ color: var(--cream); font-size: clamp(2rem,4vw,2.8rem); }
.breadcrumb{ font-family: var(--font-mono); font-size: .8rem; color: rgba(246,241,231,.6); margin-bottom: 14px; }
.breadcrumb a{ color: var(--amber); text-decoration:none; }

.content-block{ max-width: 760px; }
.content-block h2{ margin-top: 1.6em; }
.checklist{ list-style:none; padding:0; display:grid; gap: 10px; }
.checklist li{ display:flex; gap:.7em; align-items:flex-start; }
.checklist li::before{ content:"✓"; color: var(--signal-deep); font-weight:700; }

form.quote{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-soft);
}
form.quote .grid2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px){ form.quote .grid2{ grid-template-columns: 1fr; } }
.form-note{ font-size: .82rem; color: var(--ink-soft); margin-top: 10px; }
.thanks-box{ display:none; }
.thanks-box.show{ display:block; }