/* ==========================================================================
   Isofluide — feuille de style principale
   Aucune règle inline dans le HTML : la politique CSP n'autorise que 'self'.
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter.woff2") format("woff2-variations"), url("../fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Sora";
  src: url("../fonts/sora.woff2") format("woff2-variations"), url("../fonts/sora.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --night: #050816;
  --night-2: #0F172A;
  --night-3: #111C36;
  --ink: #0F172A;
  --muted: #475569;
  --muted-2: #64748B;
  --line: #E2E8F0;
  --line-2: #CBD5E1;
  --paper: #FFFFFF;
  --paper-2: #F6F8FB;
  --paper-3: #F1F5F9;
  --cyan: #22D3EE;
  --cyan-ink: #04121F;
  --teal: #0B6E8A;
  --teal-dark: #08506A;
  --on-dark: #E6EEF8;
  --on-dark-muted: #B8C6DA;
  --red: #EF4444;
  --green: #22C55E;
  --radius: 20px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Sora", "Inter", system-ui, sans-serif;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper-2);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--teal); }
a:hover { color: var(--teal-dark); }
h1, h2, h3 { font-family: var(--font-display); margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  padding: 12px 18px; border-radius: 10px; background: var(--cyan); color: var(--cyan-ink);
  font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 16px; }

.container { max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 880px; }

/* ---------- Fond spatial ---------- */
.space {
  position: relative;
  color: var(--on-dark);
  background-color: var(--night);
  background-image:
    radial-gradient(1.2px 1.2px at 12% 18%, #fff 50%, transparent 52%),
    radial-gradient(1px 1px at 37% 62%, #cfe3ff 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 68% 27%, #fff 50%, transparent 52%),
    radial-gradient(1px 1px at 83% 74%, #fff 50%, transparent 52%),
    radial-gradient(1px 1px at 52% 9%, #bcd4ff 50%, transparent 52%),
    radial-gradient(0.8px 0.8px at 23% 83%, #fff 50%, transparent 52%),
    radial-gradient(1px 1px at 91% 41%, #e8f0ff 50%, transparent 52%),
    radial-gradient(0.8px 0.8px at 5% 55%, #fff 50%, transparent 52%),
    radial-gradient(ellipse 60% 50% at 82% 8%, rgba(64, 104, 214, 0.35), transparent 70%),
    radial-gradient(ellipse 55% 45% at 8% 92%, rgba(126, 64, 184, 0.28), transparent 70%);
  background-size: 380px 380px, 380px 380px, 380px 380px, 380px 380px, 520px 520px, 520px 520px, 520px 520px, 520px 520px, 100% 100%, 100% 100%;
  background-repeat: repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, no-repeat, no-repeat;
}
.space a:not(.btn) { color: var(--on-dark); }
.space a:not(.btn):hover { color: #fff; }
.space .form a { color: var(--teal); }
.space .form a:hover { color: var(--teal-dark); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px; border-radius: 999px;
  font: inherit; font-weight: 600; font-size: 17px; line-height: 1.2; text-align: center;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: 15px; white-space: nowrap; }
.btn--primary { background: var(--cyan); color: var(--cyan-ink); }
.btn--primary:hover { background: #67E8F9; color: var(--cyan-ink); box-shadow: 0 8px 30px rgba(34, 211, 238, 0.35); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.35); color: #fff; background: transparent; }
.btn--ghost:hover { border-color: #fff; color: #fff; }
.btn--dark { background: var(--night-2); color: #fff; }
.btn--dark:hover { background: #1E293B; color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row--center { justify-content: center; }

/* ---------- En-tête & navigation ---------- */
.site-header { position: relative; z-index: 10; }
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-block: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.logo span { font-family: var(--font-display); font-weight: 800; font-size: 22px; letter-spacing: 0.06em; }
.space .logo, .space .logo:hover { color: #fff; }
.nav__menu { display: flex; align-items: center; gap: 28px; }
.nav__links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: #DCE6F2; text-decoration: none; font-size: 15px; font-weight: 500; padding: 10px 0; white-space: nowrap; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: #fff; }
.nav__links a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--cyan); }
.nav__actions { display: flex; align-items: center; gap: 16px; }
.nav__phone { color: #fff; font-weight: 600; font-size: 15px; text-decoration: none; white-space: nowrap; }
.nav__toggle {
  display: none; width: 48px; height: 48px; border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3); background: transparent; color: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}

/* ---------- Hero ---------- */
.hero { overflow: hidden; }
.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center;
  padding-block: 64px 170px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 999px;
  background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.4);
  font-size: 14px; font-weight: 500; color: #CFF7FF;
}
.pill { padding: 3px 10px; border-radius: 999px; background: var(--cyan); color: var(--cyan-ink); font-family: var(--font-display); font-weight: 800; font-size: 13px; }
.hero h1 {
  margin-top: 24px; color: #fff; font-weight: 700;
  font-size: clamp(36px, 5.2vw, 62px); line-height: 1.05; letter-spacing: -0.02em;
}
.hero__lead { margin-top: 24px; font-size: clamp(17px, 1.6vw, 20px); color: var(--on-dark-muted); max-width: 580px; }
.hero .btn-row { margin-top: 36px; }
.checks { list-style: none; margin: 36px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 15px; color: var(--on-dark-muted); }
.checks li { display: flex; align-items: center; gap: 8px; }
.checks svg { flex: none; }
.hero__visual { position: relative; min-height: 440px; display: flex; align-items: center; justify-content: center; }
.hero__device { width: 100%; max-width: 360px; height: auto; }
.float-card {
  position: absolute; display: flex; gap: 12px; align-items: center; max-width: 260px;
  padding: 14px 16px; border-radius: 14px; background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.3); font-size: 13px; line-height: 1.4; color: #E2E8F0;
}
.float-card strong { display: block; color: #fff; }
.float-card--top { top: 40px; left: 0; }
.float-card--bottom { bottom: 50px; right: 0; }
.float-card__icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex: none; }
.float-card__icon--red { background: rgba(239, 68, 68, 0.18); }
.float-card__icon--cyan { background: rgba(34, 211, 238, 0.16); }
.hero__horizon {
  position: absolute; left: 0; right: 0; bottom: 0; height: 220px; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 70% 100% at 50% 100%, rgba(34, 211, 238, 0.28), rgba(37, 99, 235, 0.12) 45%, transparent 70%);
}
.hero__planet {
  position: absolute; left: -10%; right: -10%; bottom: -520px; height: 600px; border-radius: 50%; z-index: 1; pointer-events: none;
  background: radial-gradient(circle at 50% 0%, #1b3a73 0%, #0b1838 40%, var(--night) 72%);
  box-shadow: 0 -2px 40px rgba(34, 211, 238, 0.45), inset 0 2px 0 rgba(125, 220, 255, 0.6);
}

/* ---------- Sections génériques ---------- */
.section { padding-block: 96px; }
.section--white { background: var(--paper); }
.section--light { background: var(--paper-2); }
.section--border { border-top: 1px solid var(--line); }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); }
.space .eyebrow { color: var(--cyan); }
.h2 { margin-top: 12px; font-weight: 700; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.15; }
.space .h2 { color: #fff; }
.lead { margin-top: 18px; font-size: 18px; line-height: 1.65; color: var(--muted); max-width: 760px; }
.space .lead { color: var(--on-dark-muted); }
.center { text-align: center; }
.center .lead, .center .h2 { margin-inline: auto; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: center; }
.split--top { align-items: start; }

/* ---------- Bandeau 4G ---------- */
.band4g { background: var(--paper); border-bottom: 1px solid var(--line); }
.band4g__grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; align-items: center; padding-block: 80px; }
.band4g .band4g__big { margin: 0; color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 140px; line-height: 0.9; letter-spacing: -0.04em; }
.band4g h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.2; }
.band4g p { margin-top: 16px; font-size: 18px; line-height: 1.65; color: var(--muted); }
.mini-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 28px; }
.mini-card { padding: 16px 18px; border-radius: 14px; background: var(--paper-3); font-size: 15px; line-height: 1.5; color: var(--muted); }
.mini-card strong { display: block; font-size: 16px; color: var(--ink); }

/* ---------- Cartes bénéfices ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-top: 48px; }
.card { padding: 32px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); }
.card h3 { margin-top: 20px; font-size: 21px; font-weight: 600; line-height: 1.3; }
.card p { margin-top: 10px; color: var(--muted); }

/* ---------- Animation : parcours d'une alerte ---------- */
.flow { display: flex; align-items: flex-start; justify-content: center; margin-top: 64px; }
.flow__step { flex: 0 1 230px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.flow__step--wide { flex-basis: 260px; }
.flow__box {
  position: relative; width: 200px; height: 150px; border-radius: 18px;
  background: rgba(15, 23, 42, 0.85); border: 1px solid rgba(148, 163, 184, 0.3);
  display: flex; align-items: center; justify-content: center; gap: 14px;
}
.flow__step strong { font-family: var(--font-display); font-size: 18px; color: #fff; }
.flow__step > span { font-size: 14px; line-height: 1.5; color: var(--on-dark-muted); max-width: 230px; }
.flow__link {
  position: relative; flex: 1 1 50px; min-width: 40px; max-width: 110px; height: 2px; margin-top: 74px;
  background: repeating-linear-gradient(90deg, rgba(34, 211, 238, 0.45) 0 6px, transparent 6px 12px);
}
.flow__dot {
  position: absolute; top: -5px; left: 0; width: 12px; height: 12px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan); opacity: 0;
}
.gauge { position: relative; width: 14px; height: 90px; border-radius: 7px; background: rgba(148, 163, 184, 0.2); overflow: hidden; }
.gauge__fill { position: absolute; left: 0; right: 0; bottom: 0; height: 12%; background: var(--cyan); border-radius: 7px; }
.alarm-tag { position: absolute; top: -12px; right: -10px; padding: 4px 10px; border-radius: 999px; background: var(--red); color: #fff; font-size: 12px; font-weight: 700; opacity: 0; }
.module {
  position: relative; width: 76px; height: 96px; border-radius: 14px; background: #C9D3DE;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.module__antenna { position: absolute; top: -34px; left: 50%; width: 8px; height: 36px; margin-left: -4px; border-radius: 4px; background: #1E293B; }
.module__screen { padding: 4px 10px; border-radius: 6px; background: var(--night-2); color: var(--cyan); font-family: var(--font-display); font-weight: 800; font-size: 16px; }
.leds { display: flex; gap: 5px; }
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.led--red { background: var(--red); }
.server { width: 92px; height: 92px; border-radius: 50%; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.5); display: flex; align-items: center; justify-content: center; }
.notifs { width: 240px; min-height: 150px; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.notif { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: #fff; color: var(--ink); text-align: left; font-size: 13px; line-height: 1.3; opacity: 0; }
.notif strong { display: block; font-family: var(--font-body); font-size: 13px; color: var(--ink); }
.flow-cta { margin-top: 56px; }

@keyframes isoFill { 0% { height: 12%; background: #22D3EE; } 22% { height: 94%; background: #EF4444; } 90% { height: 94%; background: #EF4444; } 100% { height: 12%; background: #22D3EE; } }
@keyframes isoAlarm { 0%, 20% { opacity: 0; } 24%, 88% { opacity: 1; } 92%, 100% { opacity: 0; } }
@keyframes isoTravel1 { 0%, 24% { left: 0; opacity: 0; } 26% { opacity: 1; } 38% { left: calc(100% - 12px); opacity: 1; } 40%, 100% { left: calc(100% - 12px); opacity: 0; } }
@keyframes isoTravel2 { 0%, 48% { left: 0; opacity: 0; } 50% { opacity: 1; } 62% { left: calc(100% - 12px); opacity: 1; } 64%, 100% { left: calc(100% - 12px); opacity: 0; } }
@keyframes isoTravel1V { 0%, 24% { top: 0; opacity: 0; } 26% { opacity: 1; } 38% { top: calc(100% - 12px); opacity: 1; } 40%, 100% { top: calc(100% - 12px); opacity: 0; } }
@keyframes isoTravel2V { 0%, 48% { top: 0; opacity: 0; } 50% { opacity: 1; } 62% { top: calc(100% - 12px); opacity: 1; } 64%, 100% { top: calc(100% - 12px); opacity: 0; } }
@keyframes isoPingMod { 0%, 24% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); } 26% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.75); } 36%, 100% { box-shadow: 0 0 0 28px rgba(34, 211, 238, 0); } }
@keyframes isoPingSrv { 0%, 38% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); } 40% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.75); } 50%, 100% { box-shadow: 0 0 0 28px rgba(34, 211, 238, 0); } }
@keyframes isoPop { 0%, 63% { opacity: 0; transform: translateY(10px); } 68%, 90% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: none; } }

.gauge__fill { animation: isoFill 7s ease-in-out infinite; }
.alarm-tag { animation: isoAlarm 7s ease-in-out infinite; }
.flow__dot--1 { animation: isoTravel1 7s linear infinite; }
.flow__dot--2 { animation: isoTravel2 7s linear infinite; }
.module { animation: isoPingMod 7s ease-out infinite; }
.server { animation: isoPingSrv 7s ease-out infinite; }
.notif { animation: isoPop 7s ease-out infinite; }
.notif:nth-child(2) { animation-delay: .25s; }
.notif:nth-child(3) { animation-delay: .5s; }

/* ---------- Garantie à vie ---------- */
.guarantee { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 56px; align-items: center; }
.guarantee__seal { display: flex; justify-content: center; }
.guarantee__seal svg { width: 260px; height: auto; }

/* ---------- Produit phare (spécifications) ---------- */
.spec-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px;
  background: rgba(148, 163, 184, 0.25); border: 1px solid rgba(148, 163, 184, 0.25); border-radius: var(--radius); overflow: hidden;
}
.spec { padding: 24px; background: rgba(5, 8, 22, 0.92); }
.spec span { display: block; font-size: 13px; color: #94A3B8; }
.spec strong { display: block; margin-top: 6px; font-family: var(--font-display); font-size: 22px; color: #fff; line-height: 1.25; }
.spec strong.accent { color: var(--cyan); }

/* ---------- Listes à coches ---------- */
.ticks { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks svg { flex: none; margin-top: 3px; }
.ticks--grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.space .ticks { color: var(--on-dark); }

/* ---------- Carte géolocalisation ---------- */
.map-visual { aspect-ratio: 4 / 3; border-radius: 24px; background: var(--night-2); overflow: hidden; }
.map-visual svg { width: 100%; height: 100%; display: block; }

/* ---------- Ozone ---------- */
.panel { padding: 32px; border-radius: var(--radius); background: var(--paper-3); border: 1px solid var(--line); }
.panel h3 { font-size: 24px; font-weight: 600; }
.panel__sub { margin-top: 6px; font-size: 15px; color: var(--muted); }
.dl { margin: 20px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; font-size: 15px; }
.dl dt { color: var(--muted-2); }
.dl dd { margin: 4px 0 0; font-weight: 600; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 20px; font-weight: 600; }

/* ---------- Secteurs ---------- */
.sectors { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 40px; }
.sector { padding: 22px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); }
.sector h3 { font-size: 17px; font-weight: 600; }
.sector p { margin-top: 6px; font-size: 15px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.faq details { border-radius: 16px; background: var(--paper-2); border: 1px solid var(--line); }
.faq summary { padding: 20px 24px; font-weight: 600; font-size: 17px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-display); font-size: 22px; line-height: 1; color: var(--teal); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 24px 20px; color: var(--muted); }

/* ---------- Espace client ---------- */
.client { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; padding-block: 64px; }
.client h2 { font-size: 30px; }
.client p { margin-top: 8px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 56px; padding-block: 104px; }
.contact h2 { font-size: clamp(32px, 4vw, 46px); line-height: 1.1; color: #fff; font-weight: 700; }
.contact__list { list-style: none; margin: 40px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.contact__list a, .contact__list span { display: flex; align-items: center; gap: 12px; min-height: 44px; color: #fff; text-decoration: none; }
.contact__list svg { flex: none; }

.form {
  padding: 36px; border-radius: 24px; background: #fff; color: var(--ink);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
.field--full { grid-column: 1 / -1; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 10px;
  font: inherit; font-size: 16px; font-weight: 400; color: var(--ink); background: #fff;
}
.field textarea { padding: 12px 14px; resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(34, 211, 238, 0.5); outline-offset: 0; border-color: var(--teal); }
.field .req { color: #B91C1C; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { grid-column: 1 / -1; width: 100%; }
.form__legal { grid-column: 1 / -1; font-size: 13px; line-height: 1.5; color: var(--muted-2); }
.form__status { grid-column: 1 / -1; padding: 0; border-radius: 10px; font-size: 15px; font-weight: 500; }
.form__status:empty { display: none; }
.form__status--ok { padding: 12px 14px; background: #ECFDF5; color: #065F46; }
.form__status--err { padding: 12px 14px; background: #FEF2F2; color: #991B1B; }

/* ---------- Pied de page ---------- */
.footer { background: #03050F; color: #94A3B8; font-size: 14px; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; align-items: center; padding-block: 32px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 24px; list-style: none; margin: 0; padding: 0; }
.footer a { color: #CBD5E1; text-decoration: none; display: inline-flex; min-height: 44px; align-items: center; }
.footer a:hover { color: #fff; }

/* ---------- Page produit ---------- */
.breadcrumb { font-size: 14px; color: #94A3B8; }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: #64748B; }
.product-hero { padding-block: 24px 96px; }
.product-hero__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 56px; align-items: center; margin-top: 40px; }
.product-visual {
  aspect-ratio: 1 / 1; max-width: 520px; width: 100%; border-radius: 28px;
  background: radial-gradient(circle at 50% 40%, rgba(34, 211, 238, 0.18), rgba(15, 23, 42, 0.6) 70%);
  border: 1px solid rgba(148, 163, 184, 0.25); display: flex; align-items: center; justify-content: center;
}
.product-visual svg { width: 70%; height: auto; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px; font-family: var(--font-display); font-weight: 800; font-size: 14px; }
.tag--solid { background: var(--cyan); color: var(--cyan-ink); }
.tag--outline { border: 1px solid var(--cyan); color: #CFF7FF; font-weight: 700; }
.product-hero h1 { margin-top: 20px; color: #fff; font-weight: 700; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.08; letter-spacing: -0.02em; }
.product-hero .hero__lead { max-width: none; }
.product-hero .btn-row { margin-top: 36px; }

.subnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.subnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 32px; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: inline-flex; align-items: center; min-height: 56px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; white-space: nowrap; }
.subnav a:hover { color: var(--teal); }

.table-wrap { overflow-x: auto; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; font-size: 16px; }
.table th, .table td { padding: 16px 22px; text-align: left; vertical-align: top; }
.table tr + tr { border-top: 1px solid var(--line); }
.table th[scope="row"] { font-weight: 500; color: var(--muted-2); width: 38%; }
.table td { font-weight: 600; }
.table td.accent { color: var(--teal); font-weight: 700; }
.table--striped { min-width: 520px; }
.table--striped thead th { background: var(--night-2); color: #fff; font-weight: 600; }
.table--striped td { font-weight: 400; }
.table--striped td:first-child { font-weight: 600; }
.table--striped tbody tr:nth-child(even) { background: #F8FAFC; }
.table--striped td:last-child { color: var(--muted); }
.note { margin-top: 8px; font-size: 15px; color: var(--muted-2); }
.h3 { font-size: 24px; font-weight: 600; margin-top: 56px; }

.mock-ui { border-radius: var(--radius); background: #fff; border: 1px solid var(--line); overflow: hidden; }
.mock-ui__bar { padding: 14px 20px; background: var(--night-2); color: #fff; font-size: 14px; font-weight: 600; }
.mock-ui ul { list-style: none; margin: 0; padding: 8px 20px 16px; font-size: 15px; }
.mock-ui li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 14px 0; }
.mock-ui li + li { border-top: 1px solid var(--line); }
.mock-ui li span:last-child { color: var(--muted); }

.cta-band { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: space-between; padding-block: 96px; }
.cta-band h2 { color: #fff; font-size: clamp(30px, 4vw, 44px); line-height: 1.1; }
.cta-band p { margin-top: 14px; font-size: 18px; color: var(--on-dark-muted); }

/* ---------- Pages texte (mentions légales, 404) ---------- */
.page-head { padding-block: 24px 72px; }
.page-head h1 { margin-top: 32px; color: #fff; font-size: clamp(32px, 4vw, 48px); }
.prose { padding-block: 72px; }
.prose h2 { font-size: 24px; margin-top: 40px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose ul { margin-top: 12px; color: var(--muted); }
.notfound { min-height: 70vh; display: flex; flex-direction: column; }
.notfound__body { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 20px; padding-block: 64px 120px; }
.notfound__body h1 { font-size: clamp(36px, 6vw, 72px); color: #fff; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1400px) {
  .nav__phone { display: none; }
  .nav__links { gap: 22px; }
}

/* Menu mobile (burger) dès que la barre ne tient plus sur une ligne */
@media (max-width: 1180px) {
  .site-header { position: relative; }
  .nav__toggle { display: inline-flex; }
  .nav__menu {
    display: none; position: absolute; top: 88px; left: 0; right: 0; z-index: 20;
    flex-direction: column; align-items: stretch; gap: 8px;
    padding: 12px var(--gutter) 24px; background: #050816; box-shadow: 0 24px 40px rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  }
  .nav.is-open .nav__menu { display: flex; }
  .nav__links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__links a { display: flex; min-height: 52px; align-items: center; font-size: 17px; border-bottom: 1px solid rgba(148, 163, 184, 0.15); }
  .nav__links a[aria-current="page"] { box-shadow: none; color: var(--cyan); }
  .nav__actions { flex-direction: column; align-items: stretch; margin-top: 12px; }
  .nav__phone { display: flex; min-height: 48px; align-items: center; justify-content: center; }
  .nav__actions .btn { width: 100%; }
}

@media (max-width: 960px) {
  :root { --gutter: 20px; }
  .section { padding-block: 72px; }

  .hero__grid { grid-template-columns: 1fr; gap: 24px; padding-block: 32px 140px; }
  .hero__visual { min-height: 0; flex-direction: column; gap: 14px; }
  .hero__device { max-width: 240px; }
  .float-card { position: static; max-width: 100%; width: 100%; }

  .band4g__grid { grid-template-columns: 1fr; gap: 16px; padding-block: 56px; }
  .band4g .band4g__big { margin: 0; color: var(--ink); font-size: 96px; }

  .split, .guarantee, .contact, .product-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .guarantee__seal svg { width: 200px; }
  .contact { padding-block: 72px; }
  .product-visual { max-width: 360px; margin-inline: auto; }

  /* Animation verticale */
  .flow { flex-direction: column; align-items: center; margin-top: 48px; }
  .flow__step, .flow__step--wide { flex-basis: auto; }
  .flow__link {
    flex: none; width: 2px; height: 56px; min-width: 0; max-width: none; margin: 8px 0;
    background: repeating-linear-gradient(180deg, rgba(34, 211, 238, 0.45) 0 6px, transparent 6px 12px);
  }
  .flow__dot { top: 0; left: -5px; }
  .flow__dot--1 { animation-name: isoTravel1V; }
  .flow__dot--2 { animation-name: isoTravel2V; }
}

@media (max-width: 600px) {
  .btn-row .btn { width: 100%; }
  .form { grid-template-columns: 1fr; padding: 24px 20px; }
  .spec-grid { grid-template-columns: 1fr; }
  .dl { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .table th, .table td { padding: 14px 16px; }
  .table th[scope="row"] { width: 42%; }
  .checks { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .notif, .alarm-tag { opacity: 1; }
  .gauge__fill { height: 94%; background: var(--red); }
}
.card h3:first-child { margin-top: 0; }