/* ==========================================================================
   THDtel — v3 « clair premium » (2026-10-29)
   Institutionnel, sobre, sans dépendance. Remplace style.css + pages.css.
   ========================================================================== */

:root {
  --ink:      #0e1a26;
  --ink-2:    #33414f;
  --ink-3:    #6a7684;
  --line:     #e3e8ee;
  --line-2:   #eef1f5;
  --bg:       #ffffff;
  --bg-alt:   #f7f9fb;
  --navy:     #0a2c52;
  --navy-2:   #123f70;
  --blue:     #0f62b8;
  --cyan:     #12a3b8;
  --good:     #0f7a52;
  --r-card:   10px;
  --r-btn:    6px;
  --max:      1180px;
  --font:     "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow:   0 1px 2px rgba(14, 26, 38, .04), 0 8px 24px rgba(14, 26, 38, .05);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; height: auto; }
a { color: var(--blue); text-decoration: none; border-bottom: 1px solid rgba(15, 98, 184, .25); }
a:hover { color: var(--navy); border-bottom-color: var(--navy); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: .7rem 1.1rem;
}
.skip-link:focus { left: 0; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 24px; }

/* ------------------------------------------------ En-tête */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .75rem; flex: 0 0 auto; border: 0; }
.brand img { height: 40px; width: auto; max-width: none; }
.brand span { font-weight: 700; font-size: 1.05rem; letter-spacing: .01em; color: var(--navy); }

.nav { display: flex; align-items: center; gap: .15rem; }
.nav a {
  position: relative; border: 0; padding: .5rem .68rem;
  font-size: .9rem; font-weight: 500; color: var(--ink-2); white-space: nowrap;
}
.nav a:hover { color: var(--navy); }
.nav a[aria-current="page"] { color: var(--navy); font-weight: 600; }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: .68rem; right: .68rem; bottom: .1rem;
  height: 2px; background: var(--navy);
}
.nav .btn-nav {
  margin-left: .6rem; padding: .44rem .85rem;
  background: var(--navy); color: #fff; border-radius: var(--r-btn); font-weight: 600; font-size: .85rem;
}
.nav .btn-nav:hover { background: var(--navy-2); color: #fff; }

.nav-toggle {
  display: none; align-items: center; gap: .5rem;
  background: #fff; border: 1px solid var(--line); color: var(--navy);
  font: inherit; font-size: .88rem; font-weight: 600;
  padding: .5rem .8rem; border-radius: var(--r-btn); cursor: pointer;
}

@media (max-width: 1290px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; inset: 78px 0 auto 0; display: none;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: .5rem 24px 1.2rem;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .nav[data-open="true"] { display: flex; }
  .nav a { padding: .8rem .2rem; border-bottom: 1px solid var(--line-2); font-size: .97rem; }
  .nav a[aria-current="page"]::after { display: none; }
  .nav .btn-nav { margin: 1rem 0 0; text-align: center; border-bottom: 0; }
}

/* ------------------------------------------------ Héros (accueil) */
.hero { padding: 76px 0 64px; border-bottom: 1px solid var(--line); }
.hero .wrap {
  display: grid; grid-template-columns: 1.02fr .98fr;
  gap: 64px; align-items: center;
}
.hero h1 {
  margin: .6rem 0 1rem; font-size: clamp(1.85rem, 2.85vw, 2.6rem);
  line-height: 1.08; letter-spacing: -.025em; font-weight: 700; color: var(--ink);
}
.hero .lead {
  margin: 0 0 1.9rem; font-size: clamp(1.02rem, 1.35vw, 1.16rem);
  color: var(--ink-2); max-width: 52ch;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .65rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--navy);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--cyan); }

.hero-visual { position: relative; }
.hero-visual img, .hero-visual video {
  width: 100%; aspect-ratio: 4 / 3.15; object-fit: cover;
  border-radius: var(--r-card); box-shadow: var(--shadow);
}
.hero-visual figcaption {
  margin-top: .7rem; font-size: .78rem; color: var(--ink-3); letter-spacing: .01em;
}

/* héros de page intérieure */
.page-hero {
  padding: 58px 0 46px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfcfe, #fff);
}
.page-hero h1 {
  margin: .55rem 0 .5rem; font-size: clamp(1.75rem, 2.9vw, 2.5rem);
  line-height: 1.14; letter-spacing: -.02em; font-weight: 700;
}
.page-hero p { margin: 0; color: var(--ink-2); max-width: 68ch; }

/* ------------------------------------------------ Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .58rem 1.05rem; border-radius: var(--r-btn); border: 1px solid transparent;
  font-family: inherit; font-size: .875rem; font-weight: 600; line-height: 1.2;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-2); border-color: var(--navy-2); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy); border-color: #c9d3de; }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); background: #f5f8fb; }
.btn-outline { background: #fff; color: var(--navy); border-color: #c9d3de; }
.btn-outline:hover { border-color: var(--navy); background: var(--bg-alt); }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ------------------------------------------------ Sections */
section { padding: 84px 0; }
section.tight { padding: 52px 0; }
section + section { border-top: 1px solid var(--line); }
.bg-light { background: var(--bg-alt); }
.bg-gris  { background: #f4f6f9; }

h2 {
  margin: 0 0 .65rem; font-size: clamp(1.45rem, 2.3vw, 1.95rem);
  line-height: 1.2; letter-spacing: -.018em; font-weight: 700;
}
h3 { margin: 0 0 .45rem; font-size: 1.06rem; font-weight: 600; letter-spacing: -.006em; }
.sub { margin: 0 0 2.4rem; color: var(--ink-3); max-width: 74ch; font-size: 1.01rem; }
.prose { max-width: 72ch; }
.prose p, .prose li { color: var(--ink-2); }

/* ------------------------------------------------ Grilles / cartes */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 1.6rem; transition: border-color .18s, box-shadow .18s;
}
.card:hover { border-color: #cfd9e4; box-shadow: var(--shadow); }
.card h3 { color: var(--ink); }
.card p { margin: 0; color: var(--ink-2); }
.card .icon {
  width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 1rem;
  border-radius: 8px; background: #eef3f9; color: var(--navy);
  font-size: .95rem; font-weight: 700; letter-spacing: -.02em;
}

/* offres */
.offer-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden;
}
.offer-head { padding: 1.35rem 1.5rem .9rem; border-bottom: 1px solid var(--line-2); }
.offer-tag {
  display: inline-block; margin-bottom: .5rem; font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--cyan);
}
.offer-price { font-size: 1.85rem; font-weight: 700; letter-spacing: -.02em; color: var(--navy); }
.offer-body { padding: 1.15rem 1.5rem 1.5rem; color: var(--ink-2); font-size: .95rem; }
.offer-body ul { margin: 0; padding-left: 1.1rem; }
.offer-body li { margin-bottom: .35rem; }

/* zones / photos */
.zone-card {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-card);
  overflow: hidden; background: #fff;
}
.zone-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.zone-label { padding: 1rem 1.2rem 1.15rem; }
.zone-label h3 { margin: .4rem 0 0; }
.pill {
  display: inline-block; padding: .18rem .6rem; border-radius: 999px;
  background: #eef3f9; color: var(--navy); font-size: .74rem; font-weight: 700;
  letter-spacing: .04em;
}

/* bandeau d'information */
.notice-band {
  padding: 1.1rem 1.3rem; border-left: 3px solid var(--cyan);
  background: #f3f8fb; color: var(--ink-2); font-size: .94rem; border-radius: 0 var(--r-card) var(--r-card) 0;
}
.notice-band strong { color: var(--ink); }

/* actualités */
.news-item {
  display: flex; gap: 1.1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line);
}
.news-item:last-child { border-bottom: 0; }
.news-date {
  flex: 0 0 62px; text-align: center; border-right: 1px solid var(--line); padding-right: 1rem;
}
.news-date .month { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); }
.news-date .year { display: block; font-size: 1.05rem; font-weight: 700; color: var(--navy); }
.news-body h3 { font-size: 1rem; }
.news-body p { margin: .25rem 0 0; font-size: .9rem; }

/* cartes documents (espace opérateur) */
.doc-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.doc-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.15rem 1.25rem; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-card); border-bottom: 1px solid var(--line); color: var(--ink);
}
.doc-card:hover { border-color: var(--blue); color: var(--ink); background: #fbfdff; }
.pdf-badge {
  flex: 0 0 auto; width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 6px; background: #fdeeec; color: #b4392c;
  font-size: .68rem; font-weight: 800; letter-spacing: .06em;
}
.doc-card strong { display: block; font-size: .95rem; font-weight: 600; color: var(--navy); }
.doc-card small { color: var(--ink-3); font-size: .86rem; line-height: 1.5; display: block; margin-top: .15rem; }

/* ------------------------------------------------ Formulaires */
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 1.8rem; box-shadow: var(--shadow);
}
.field { margin-bottom: 1.15rem; }
.field label { display: block; margin-bottom: .38rem; font-size: .88rem; font-weight: 600; color: var(--ink-2); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"],
.field input[type="password"], .field select, .field textarea {
  width: 100%; padding: .7rem .85rem; font: inherit; font-size: .95rem;
  color: var(--ink); background: #fff; border: 1px solid #cfd8e3; border-radius: var(--r-btn);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(15, 98, 184, .12);
}
fieldset { border: 0; margin: 0 0 1.15rem; padding: 0; }
legend { padding: 0; margin-bottom: .55rem; font-size: .88rem; font-weight: 600; color: var(--ink-2); }
.check-row { display: flex; flex-wrap: wrap; gap: .5rem .7rem; }
.check {
  display: inline-flex; align-items: center; gap: .45rem; cursor: pointer;
  padding: .5rem .8rem; border: 1px solid var(--line); border-radius: var(--r-btn);
  background: #fff; font-size: .9rem; color: var(--ink-2);
}
.check:hover { border-color: #c3cfdd; }
.check input { accent-color: var(--navy); }
.form-note { font-size: .84rem; color: var(--ink-3); }

/* ------------------------------------------------ Tableaux */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-card); }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: .93rem; }
th, td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--line-2); }
th { background: var(--bg-alt); color: var(--navy); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

/* ------------------------------------------------ Bandeau d'appel */
.cta-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 2rem 2.2rem; border: 1px solid var(--line);
  border-radius: var(--r-card); background: linear-gradient(120deg, #f7fafd, #eef4fa);
}
.cta-band h2 { margin: 0 0 .3rem; font-size: 1.3rem; }
.cta-band p { margin: 0; color: var(--ink-2); }

/* ------------------------------------------------ Pied de page */
.site-footer {
  background: #0b1d31; color: #b7c6d6; font-size: .92rem; padding: 64px 0 28px;
}
.site-footer a { color: #dce8f4; border: 0; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; gap: 2.2rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.site-footer h4 {
  margin: 0 0 .8rem; font-size: .74rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: #8fa7bf;
}
.site-footer p, .site-footer li { color: #b7c6d6; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.footer-social {
  display: flex; gap: 1.4rem; margin-top: 2rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,.1); font-weight: 600;
}
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem;
  margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.1);
  color: #7f95ac; font-size: .82rem;
}

/* ------------------------------------------------ Utilitaires */
.list-check { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.list-check li { position: relative; padding-left: 1.7rem; color: var(--ink-2); }
.list-check li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
}
.muted { color: var(--ink-3); }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.prose-wide { max-width: 82ch; }
.social-row { display: flex; gap: 1.2rem; }
.lang-switch { font-size: .85rem; }
.def-card, .hero-bg { }
.hero-bg { background: none !important; }

/* bandeau de chiffres clés */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r-card); overflow: hidden;
}
.stat { background: #fff; padding: 1.4rem 1.5rem; }
.stat b { display: block; font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; color: var(--navy); }
.stat span { font-size: .87rem; color: var(--ink-3); }

/* révélation au scroll (désactivée si mouvement réduit) */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 44px 0 48px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual img, .hero-visual video { aspect-ratio: 16 / 10; }
  .cta-band { padding: 1.5rem; }
  .form-card { padding: 1.3rem; }
}

@media print {
  .site-header, .site-footer, .cta-band, .nav-toggle { display: none; }
  body { font-size: 11pt; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #555; }
}

/* ==========================================================================
   v3.1 — barre haute, menu déroulant, offres, formulaire, lots raccordables
   ========================================================================== */

/* ---------- barre haute utilitaire ---------- */
.topbar {
  background: #0b1d31; color: #a9bdd2; font-size: .8rem;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 38px;
}
.topbar-tag { letter-spacing: .1em; text-transform: uppercase; font-size: .7rem; color: #8fa7bf; }
.topbar-links { display: flex; align-items: center; gap: 1.4rem; }
.topbar-links a { color: #dbe8f4; border: 0; }
.topbar-links a:hover { color: #fff; }
.topbar-links .sep { color: #33506e; }
@media (max-width: 760px) {
  .topbar .wrap { justify-content: center; }
  .topbar-tag, .topbar-links .hide-sm { display: none; }
}

/* ---------- en-tête : logo + menu raffiné ---------- */
.site-header { box-shadow: 0 1px 0 rgba(14,26,38,.04); }
.site-header .wrap { min-height: 84px; }
.brand img { height: 54px; }
.nav { gap: .05rem; }
.nav > a, .nav summary {
  position: relative; display: inline-flex; align-items: center; gap: .3rem;
  padding: .55rem .72rem; font-size: .875rem; font-weight: 500; letter-spacing: .01em;
  color: var(--ink-2); cursor: pointer; list-style: none;
}
.nav summary::-webkit-details-marker { display: none; }
.nav summary::after {
  content: ""; width: 5px; height: 5px; margin-left: .15rem;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px); opacity: .55;
}
.nav > a::before, .nav > details > summary::before {
  content: ""; position: absolute; left: .72rem; right: .72rem; bottom: .18rem; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .18s ease;
}
.nav > a:hover::before, .nav > details > summary:hover::before,
.nav > details[open] > summary::before { transform: scaleX(1); }
.nav a[aria-current="page"]::after { display: none; }
.nav a[aria-current="page"] { font-weight: 600; color: var(--navy); }
.nav a[aria-current="page"]::before { transform: scaleX(1); background: var(--cyan); height: 2px; }

/* menu déroulant natif */
.nav details { position: relative; }
.dd-panel {
  position: absolute; top: calc(100% + 10px); left: 0; z-index: 80;
  min-width: 278px; padding: .5rem; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-card);
  box-shadow: 0 12px 34px rgba(14,26,38,.14);
}
.dd-panel a {
  display: block; padding: .6rem .7rem; border-radius: 6px;
  font-size: .88rem; color: var(--ink-2); border: 0;
}
.dd-panel a:hover { background: var(--bg-alt); color: var(--navy); }
.dd-panel a strong { display: block; font-weight: 600; color: var(--ink); font-size: .9rem; }
.dd-panel a span { font-size: .78rem; color: var(--ink-3); }
@media (max-width: 1290px) {
  .nav details { width: 100%; }
  .dd-panel { position: static; box-shadow: none; border: 0; padding: 0 0 .3rem .9rem; min-width: 0; }
}

/* ---------- offres : présentation tarifaire ---------- */
.plans { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 1.6rem 1.5rem 1.5rem; transition: border-color .18s, box-shadow .18s, transform .18s;
}
.plan:hover { border-color: #c7d4e2; box-shadow: 0 14px 34px rgba(14,26,38,.08); transform: translateY(-2px); }
.plan--featured { border-color: var(--navy); box-shadow: 0 16px 38px rgba(10,44,82,.12); }
.plan--featured::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  border-radius: 12px 12px 0 0; background: linear-gradient(90deg, var(--navy), var(--cyan));
}
.plan-kicker { font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.plan-name { margin: .45rem 0 .9rem; font-size: 1.12rem; font-weight: 700; color: var(--ink); }
.plan-price { display: flex; align-items: baseline; gap: .28rem; margin-bottom: .25rem; }
.plan-price b { font-size: 2.05rem; font-weight: 700; letter-spacing: -.03em; color: var(--navy); line-height: 1; }
.plan-price span { font-size: .84rem; color: var(--ink-3); }
.plan-note { font-size: .76rem; color: var(--ink-3); margin-bottom: 1.1rem; }
.plan ul { list-style: none; margin: 0 0 1.4rem; padding: 0; display: grid; gap: .55rem; }
.plan li { position: relative; padding-left: 1.5rem; font-size: .9rem; color: var(--ink-2); }
.plan li::before {
  content: ""; position: absolute; left: 0; top: .48em; width: 9px; height: 9px;
  border-radius: 50%; border: 2px solid var(--cyan);
}
.plan .btn { margin-top: auto; width: 100%; }
.plan-dl { display: flex; gap: 1.5rem; margin: 0 0 1.2rem; }
.plan-dl div { font-size: .82rem; color: var(--ink-3); }
.plan-dl b { display: block; font-size: 1.05rem; color: var(--ink); letter-spacing: -.01em; }

/* ---------- formulaire : grille en deux colonnes ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.6rem; }
.form-grid .span-2 { grid-column: 1 / -1; }
.form-section { border-top: 1px solid var(--line-2); margin: 1.6rem 0 1.2rem; padding-top: 1.3rem; }
.form-section:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.form-title {
  display: flex; align-items: center; gap: .7rem; margin: 0 0 1rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--navy);
}
.form-title em {
  display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%;
  background: var(--navy); color: #fff; font-style: normal; font-size: .7rem;
}
.radio-cards { display: grid; gap: .55rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.radio-card {
  position: relative; display: block; padding: .8rem .9rem; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; background: #fff;
  transition: border-color .15s, background .15s;
}
.radio-card:hover { border-color: #c3cfdd; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card b { display: block; font-size: .95rem; color: var(--ink); }
.radio-card span { font-size: .76rem; color: var(--ink-3); }
.radio-card:has(input:checked) { border-color: var(--navy); background: #f6fafd; box-shadow: inset 0 0 0 1px var(--navy); }
.radio-card:has(input:focus-visible) { outline: 2px solid var(--blue); outline-offset: 2px; }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.segmented label { position: relative; padding: .55rem 1.1rem; font-size: .9rem; cursor: pointer; color: var(--ink-2); }
.segmented label + label { border-left: 1px solid var(--line); }
.segmented input { position: absolute; opacity: 0; }
.segmented label:has(input:checked) { background: var(--navy); color: #fff; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.4rem; }
@media (max-width: 760px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- raccordables : puces de lots + filtre ---------- */
.lot-tools {
  display: flex; flex-wrap: wrap; align-items: center; gap: .9rem;
  margin: 0 0 1.6rem; padding: 1rem 1.2rem; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-card);
}
.lot-tools label { font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.lot-tools input {
  flex: 1 1 240px; min-width: 0; padding: .6rem .8rem; font: inherit; font-size: .92rem;
  border: 1px solid #cfd8e3; border-radius: var(--r-btn);
}
.lot-tools input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(15,98,184,.12); }
.lot-count { font-size: .82rem; color: var(--ink-3); }
.lot-count b { color: var(--navy); }

.zone-block { border: 1px solid var(--line); border-radius: var(--r-card); background: #fff; overflow: hidden; margin-bottom: 1.1rem; }
.zone-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.3rem; background: var(--bg-alt); border-bottom: 1px solid var(--line);
}
.zone-head h3 { margin: 0; font-size: 1rem; }
.zone-head .zone-count {
  flex: 0 0 auto; font-size: .76rem; font-weight: 700; color: var(--navy);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .2rem .6rem;
}
.lots { display: flex; flex-wrap: wrap; gap: .4rem; padding: 1.1rem 1.3rem 1.3rem; }
.lot {
  display: inline-block; padding: .22rem .5rem; border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem;
  background: #f2f6fa; color: var(--ink-2); border: 1px solid #e2e9f1;
}
.lot.is-hit { background: var(--navy); border-color: var(--navy); color: #fff; }
.lot.is-dim { opacity: .35; }
.phase-steps { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 2rem; }
.phase-steps a {
  padding: .35rem .8rem; border-radius: 999px; border: 1px solid var(--line);
  font-size: .8rem; font-weight: 600; color: var(--ink-2); background: #fff; border-bottom: 1px solid var(--line);
}
.phase-steps a:hover { border-color: var(--navy); color: var(--navy); }

/* corrections v3.1 */
.nav summary, .nav a { white-space: nowrap; }
.nav details > summary { padding-right: .85rem; }
.zones { columns: 2 380px; column-gap: 1.1rem; }
.zones .zone-block { break-inside: avoid; -webkit-column-break-inside: avoid; }
.zone-block:last-child { margin-bottom: 0; }
.form-grid > .field:has(textarea), .form-grid > .field:has(select) { grid-column: 1 / -1; }
.form-grid > .field:has(textarea) textarea { min-height: 90px; }
.subsidiary { text-align: center; font-size: .8rem; color: var(--ink-3); margin: 1.6rem 0 0; }

/* indicateur de sélection des cartes d'offre */
.radio-card { padding-right: 2.6rem; }
.radio-card::after {
  content: ""; position: absolute; top: .95rem; right: .95rem;
  width: 16px; height: 16px; border: 1.5px solid #c3cfdd; border-radius: 4px; background: #fff;
  transition: background .15s, border-color .15s;
}
.radio-card:has(input:checked)::after {
  background: var(--navy); border-color: var(--navy);
  box-shadow: inset 0 0 0 2px #fff;
}
.radio-card span { display: block; margin-top: .1rem; }

.form-card .radio-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; }
.radio-card b { font-size: 1rem; }
@media (max-width: 560px) { .form-card .radio-cards { grid-template-columns: 1fr; } }

/* respiration après un héros de page */
.page-hero + section { padding-top: 54px; }

/* ---------- v3.2 : intro en deux colonnes + duo FTTH / FTTO ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.2rem; align-items: center; }
.split-figure { margin: 0; }
.split-figure img { width: 100%; border-radius: var(--r-card); box-shadow: var(--shadow); }
.split-figure figcaption { margin-top: .7rem; font-size: .78rem; color: var(--ink-3); }

.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-top: 1.6rem; }
.duo-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; transition: border-color .18s, box-shadow .18s;
}
.duo-card:hover { border-color: #c7d4e2; box-shadow: 0 16px 36px rgba(14,26,38,.08); }
.duo-media { position: relative; margin: 0; }
.duo-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.duo-badge {
  position: absolute; left: 1rem; bottom: 1rem; padding: .25rem .7rem; border-radius: 999px;
  background: rgba(255,255,255,.94); color: var(--navy); font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.duo-body { padding: 1.5rem 1.6rem 1.7rem; display: flex; flex-direction: column; height: 100%; }
.duo-body h3 { margin: 0 0 .7rem; font-size: 1.35rem; letter-spacing: -.015em; color: var(--ink); }
.duo-body h3 span {
  display: block; margin-top: .15rem; font-size: .74rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
}
.duo-body p { margin: 0 0 1rem; color: var(--ink-2); font-size: .95rem; }
.duo-body .list-check { margin-bottom: 1.4rem; font-size: .92rem; }
.duo-body .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .duo { grid-template-columns: 1fr; }
}

/* ---------- v3.3 : schémas SVG ---------- */
.diagram { margin: 0 0 1.2rem; }
.diagram svg { width: 100%; height: auto; display: block; background: #fbfcfe; border: 1px solid var(--line); border-radius: var(--r-card); }
.diagram figcaption { margin-top: .7rem; font-size: .82rem; color: var(--ink-3); line-height: 1.5; }
.def-card h3 small { display: block; margin-top: .2rem; font-size: .74rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }

/* ---------- v3.3 : sommaire ancré ---------- */
.toc { display: flex; flex-wrap: wrap; gap: .5rem; }
.toc a {
  padding: .45rem .95rem; border: 1px solid var(--line); border-radius: 999px;
  font-size: .85rem; font-weight: 600; color: var(--ink-2); background: #fff;
  border-bottom: 1px solid var(--line);
}
.toc a:hover { border-color: var(--navy); color: var(--navy); }
section[id], .icon[id] { scroll-margin-top: 96px; }

/* ---------- v3.4 : galerie du héros ---------- */
.hero-gallery { position: relative; }
.gal-track {
  position: relative; width: 100%; aspect-ratio: 16 / 10;
  border-radius: var(--r-card); overflow: hidden; box-shadow: 0 18px 44px rgba(14,26,38,.16);
  background: #dfe6ee;
}
.gal-slide {
  position: absolute; inset: 0; margin: 0; opacity: 0;
  transition: opacity .7s ease; pointer-events: none;
}
.gal-slide.is-active { opacity: 1; pointer-events: auto; }
.gal-slide img { width: 100%; height: 100%; object-fit: cover; }
.gal-slide figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.6rem 1.2rem .9rem;
  background: linear-gradient(to top, rgba(8,22,38,.82), rgba(8,22,38,0));
  color: #fff; font-size: .82rem; letter-spacing: .01em;
}
.gal-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.9); color: var(--navy); font-size: 1.4rem; line-height: 1;
  box-shadow: 0 4px 14px rgba(14,26,38,.2); transition: background .15s, transform .15s;
}
.gal-nav:hover { background: #fff; }
.gal-prev { left: 12px; }
.gal-next { right: 12px; }
.gal-dots { display: flex; gap: .4rem; justify-content: center; margin-top: .9rem; }
.gal-dot {
  width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%;
  background: #c9d5e2; cursor: pointer; transition: background .18s, transform .18s;
}
.gal-dot.is-active { background: var(--navy); transform: scale(1.35); }
@media (max-width: 900px) { .gal-track { aspect-ratio: 4 / 3; } }

/* bandeau d'appel : texte à gauche, bouton à droite */
.cta-band > div { flex: 1 1 380px; min-width: 0; }
.cta-band .btn { flex: 0 0 auto; }
.def-card .icon, .card .icon { font-variant-numeric: tabular-nums; letter-spacing: .02em; }

/* ---------- v3.6 : pied de page (logos + marque) ---------- */
.footer-bar {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem;
  flex-wrap: wrap; margin-top: 2.2rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: .55rem; }
.footer-brand img { height: 39px; width: auto; max-width: none; opacity: .96; align-self: flex-start; }
.footer-brand span { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: #7f95ac; }
.footer-social { display: flex; gap: .6rem; border-top: 0; padding-top: 0; margin-top: 0; }
.footer-social a {
  width: 36px; height: 36px; display: grid; place-items: center; border: 0;
  border-radius: 50%; background: rgba(255,255,255,.07);
  transition: background .16s, transform .16s;
}
.footer-social a:hover { background: rgba(255,255,255,.16); transform: translateY(-1px); }
.footer-social svg { width: 22px; height: 22px; }
.footer-social svg rect[stroke], .footer-social svg circle[stroke] { stroke-width: 1.9; }
.footer-bottom { margin-top: 1rem; padding-top: 1rem; }

/* ---------- v3.7 : hero resserré ---------- */
.hero .lead { max-width: 47ch; }
.hero h1 { margin-bottom: 1.15rem; }
.hl { position: relative; white-space: nowrap; }
.hl::after {
  content: ""; position: absolute; left: .02em; right: .02em; bottom: .03em; height: .085em;
  background: linear-gradient(90deg, var(--cyan), rgba(18,163,184,.25));
  border-radius: 2px;
}
.hero-facts {
  display: flex; flex-wrap: wrap; gap: 1.6rem 2.4rem;
  margin-top: 2.3rem; padding-top: 1.5rem; border-top: 1px solid var(--line);
}
.hero-facts div b {
  display: block; font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em;
  color: var(--navy); line-height: 1.15;
}
.hero-facts div span { display: block; margin-top: .18rem; font-size: .8rem; color: var(--ink-3); }
@media (max-width: 900px) { .hero-facts { gap: 1.1rem 1.8rem; margin-top: 1.8rem; } }
.footer-brand img { height: 39px; width: auto; }

/* ---------- graphique d'affaiblissement ---------- */
.diagram-chart svg { width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow); }
.diagram-chart figcaption { margin-top: .7rem; font-size: .78rem; color: var(--ink-3); }