/* ProxiFroid — site vitrine
   Direction : instrumentation de chaîne du froid.
   Le froid (cyan) est l'état sain, l'ambre est l'alerte. */

:root {
  /* Colour */
  --ink: #081120;
  --ink-2: #0e1d33;
  --ink-3: #16283f;
  --brand: #0d47a1;
  --brand-2: #1565c0;
  --ice: #00bcd4;
  --ice-soft: #62efff;
  --amber: #ff6f00;
  --amber-soft: #ffa040;
  --frost: #edf3f9;
  --paper: #ffffff;
  --text: #12203a;
  --muted: #5a6b80;
  --line: #dce6f0;
  --line-dark: rgba(98, 239, 255, 0.16);

  /* Type — les deux familles de l'application (AppTypography) : Outfit pour
     les titres, Inter pour le texte. Aucune police chargée en plus : la chasse
     fixe du système sert uniquement aux données qu'on lit caractère par
     caractère (empreinte SHA-256, identifiants de test, métadonnées de build). */
  --display: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Rhythm */
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1180px;
  --band: clamp(4.5rem, 9vw, 7.5rem);
}

/* ── Reset ─────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
}
h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.021em;
  margin: 0;
  text-wrap: balance;
}
p {
  margin: 0;
  text-wrap: pretty;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ── Bilingue : une seule langue visible ───────────────── */
:root[data-lang="fr"] .en,
:root[data-lang="en"] .fr {
  display: none !important;
}

/* ── Primitives ────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 0.9rem;
}
.eyebrow--dim {
  color: var(--muted);
}

.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--muted);
  max-width: 56ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--display);
  font-size: 0.97rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease,
    color 0.16s ease;
}
.btn--amber {
  background: var(--amber);
  color: #fff;
}
.btn--amber:hover {
  background: var(--amber-soft);
}
.btn--ghost {
  border-color: var(--line-dark);
  color: #dbeaf7;
}
.btn--ghost:hover {
  border-color: var(--ice);
  color: var(--ice-soft);
}
.btn--solid {
  background: var(--brand);
  color: #fff;
}
.btn--solid:hover {
  background: var(--brand-2);
}
.btn--outline {
  border-color: var(--line);
  color: var(--text);
}
.btn--outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn--lg {
  padding: 1.15rem 2rem;
  font-size: 1.05rem;
}

:where(a, button, summary, input):focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Barre de navigation ───────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(8, 17, 32, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-dark);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}
.brand svg {
  width: 26px;
  height: 26px;
  color: var(--ice);
}
.brand > span {
  color: #fff;
}
.brand b {
  font-weight: 700;
}
/* Le second mot du logotype, en glace. */
.brand > span > span {
  font-weight: 400;
  color: var(--ice-soft);
}
.nav__links {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
  font-size: 0.9rem;
}
.nav__links a {
  color: #b9cde0;
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav__links a:hover {
  color: #fff;
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-left: auto;
}
.nav__links + .nav__actions {
  margin-left: 0;
}

.lang {
  display: flex;
  border: 1px solid var(--line-dark);
  border-radius: 5px;
  overflow: hidden;
}
.lang button {
  appearance: none;
  background: none;
  border: 0;
  padding: 0.4rem 0.6rem;
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #8fa8c0;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.lang button:hover {
  color: #fff;
}
.lang button[aria-pressed="true"] {
  background: var(--ice);
  color: var(--ink);
}

@media (max-width: 860px) {
  .nav__links {
    display: none;
  }
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  background: linear-gradient(168deg, #10263f 0%, var(--ink) 68%);
  color: #eaf3fb;
  overflow: hidden;
  padding-block: clamp(3.5rem, 7vw, 6rem) clamp(3.5rem, 7vw, 5.5rem);
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 5.1vw, 3.75rem);
  font-weight: 800;
  color: #fff;
}
.hero h1 .warm {
  color: var(--amber-soft);
}
.hero h1 .cool {
  color: var(--ice-soft);
}
.hero__lede {
  margin-top: 1.4rem;
  font-size: clamp(1.03rem, 1.5vw, 1.17rem);
  color: #accbe4;
  max-width: 52ch;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.2rem;
}
.hero__note {
  margin-top: 1.5rem;
  font-family: var(--body);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: #7793ad;
}

/* Signature : l'échelle thermique */
.gauge {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  padding: clamp(1.4rem, 2.4vw, 2rem);
}
.gauge__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #7793ad;
}
.gauge__status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--amber-soft);
}
.gauge__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}
.gauge__read {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.9rem;
  margin: 1.1rem 0 1.6rem;
}
.gauge__temp {
  font-family: var(--display);
  font-size: clamp(2.8rem, 6.4vw, 4rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--amber-soft);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.gauge__delta {
  font-family: var(--body);
  font-size: 0.8rem;
  color: #7793ad;
  padding-bottom: 0.5rem;
  white-space: nowrap;
}
/* L'échelle couvre −18 → +20 °C. Toute position en % vaut (t + 18) / 38 :
   0 °C = 47,37 %, +4 °C = 57,89 %, +12 °C = 78,95 %. Les graduations et la
   zone conforme suivent ce calcul, comme l'aiguille. */
.gauge__track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    #0b4a8f 0%,
    #0f9fc4 38%,
    var(--ice) 52%,
    #59a88f 63%,
    #c9a227 78%,
    var(--amber) 95%
  );
}
.gauge__safe {
  position: absolute;
  top: -5px;
  bottom: -5px;
  left: 47.37%;
  width: 10.52%;
  border: 1px dashed rgba(255, 255, 255, 0.5);
  border-radius: 4px;
}
.gauge__pin {
  position: absolute;
  top: 50%;
  left: var(--pin, 26%);
  width: 3px;
  height: 26px;
  margin-top: -13px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 3px rgba(8, 17, 32, 0.85), 0 0 18px rgba(255, 160, 64, 0.8);
  /* La position est pilotée image par image en JS : pas de transition CSS,
     qui viendrait s'ajouter à l'interpolation et traîner derrière. */
}
.gauge__scale {
  position: relative;
  height: 1.1rem;
  margin-top: 0.55rem;
  font-family: var(--body);
  font-size: 0.66rem;
  color: #63809a;
}
.gauge__scale span {
  position: absolute;
  left: var(--at);
  transform: translateX(-50%);
  white-space: nowrap;
}
.gauge__scale span:first-child {
  transform: none;
}
.gauge__scale span:last-child {
  transform: translateX(-100%);
}
.gauge__legend {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.87rem;
  color: #accbe4;
}
.gauge__legend strong {
  color: #fff;
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

/* ── Bandeau de faits ──────────────────────────────────── */
.facts {
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
  color: #eaf3fb;
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
}
.facts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}
.fact__n {
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 600;
  color: var(--ice-soft);
  letter-spacing: -0.02em;
}
.fact p {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  color: #9db8d0;
  max-width: 34ch;
}
@media (max-width: 760px) {
  .facts__grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }
}

/* ── Sections claires ──────────────────────────────────── */
.band {
  padding-block: var(--band);
}
.band--frost {
  background: var(--frost);
}
.band__head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}
.band__head h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}
.band__head p {
  margin-top: 1rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
}

/* ── Fonctionnalités ───────────────────────────────────── */
/* Colonnes séparées par un simple filet, sans boîtes ni survol coloré. */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1.8rem, 3vw, 2.8rem) clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  padding-top: clamp(1.8rem, 3vw, 2.6rem);
}
.feature__tag {
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brand);
}
.feature h3 {
  margin: 0.75rem 0 0.55rem;
  font-size: 1.14rem;
  font-weight: 600;
}
.feature p {
  font-size: 0.93rem;
  color: var(--muted);
}

/* ── Déroulé : la colonne thermique ────────────────────── */
.flow {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.flow__spine {
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    var(--amber) 0%,
    #d98b1f 26%,
    #6a9a86 58%,
    var(--ice) 84%,
    var(--brand) 100%
  );
}
.step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding-block: clamp(1.4rem, 2.4vw, 1.9rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.step:last-child {
  border-bottom: 0;
}
.step__i {
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  padding-top: 0.35rem;
  letter-spacing: 0.06em;
}
.step h3 {
  font-size: 1.22rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}
.step p {
  color: var(--muted);
  font-size: 0.96rem;
  max-width: 62ch;
}
@media (max-width: 620px) {
  .step {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .step__i {
    padding-top: 0;
  }
}

/* ── Écrans de l'application ───────────────────────────── */
/* Six captures : 3 × 2 en grand écran, 2 colonnes ensuite, 1 sur mobile. */
.shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.4rem);
  max-width: 880px;
}
@media (max-width: 780px) {
  .shots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 460px) {
  .shots {
    grid-template-columns: 1fr;
    max-width: 300px;
  }
}
.shot figure {
  margin: 0;
}
.shot__frame {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--paper);
  padding: 8px;
  box-shadow: 0 24px 50px -34px rgba(12, 32, 58, 0.55);
  overflow: hidden;
}
.shot__frame img {
  width: 100%;
  border-radius: 13px;
  display: block;
}
.shot figcaption {
  margin-top: 0.85rem;
  font-family: var(--body);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Techniciens (bandeau sombre) ──────────────────────── */
.dark {
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 72%);
  color: #eaf3fb;
}
.dark h2 {
  color: #fff;
}
.dark .band__head p {
  color: #accbe4;
}
/* Deux colonnes : quatre arguments tiennent en 2×2 plutôt qu'en 3 + 1. */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 5vw, 4rem);
}
@media (max-width: 640px) {
  .split {
    grid-template-columns: 1fr;
  }
}
.perk {
  border-left: 2px solid var(--ice);
  padding-left: 1.15rem;
}
.perk h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
}
.perk p {
  font-size: 0.93rem;
  color: #9db8d0;
}

/* ── FAQ ───────────────────────────────────────────────── */
.faq {
  max-width: 780px;
  border-top: 1px solid var(--line);
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.25rem 2.5rem 1.25rem 0;
  position: relative;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.04rem;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--body);
  font-size: 1.2rem;
  color: var(--brand);
}
.faq details[open] summary::after {
  content: "\2212";
}
.faq details p {
  padding-bottom: 1.35rem;
  color: var(--muted);
  font-size: 0.96rem;
  max-width: 68ch;
}

/* ── Appel final ───────────────────────────────────────── */
.close {
  text-align: center;
}
.close h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  color: #fff;
}
.close p {
  margin: 1.1rem auto 0;
  color: #accbe4;
  max-width: 48ch;
}
.close .hero__cta {
  justify-content: center;
}

/* ── Pied de page ──────────────────────────────────────── */
.foot {
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
  color: #7f9bb5;
  padding-block: 3rem 2.5rem;
  font-size: 0.87rem;
}
.foot__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  align-items: center;
  justify-content: space-between;
}
.foot a {
  color: #9db8d0;
  text-decoration: none;
}
.foot a:hover {
  color: var(--ice-soft);
}
.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}

/* ── Pages de texte (légal) ────────────────────────────── */
.doc {
  max-width: 760px;
  padding-block: clamp(3rem, 6vw, 5rem);
}
.doc h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
}
.doc h2 {
  font-size: 1.25rem;
  margin-top: 2.4rem;
}
.doc p,
.doc li {
  margin-top: 0.9rem;
  color: var(--muted);
}
.doc ul {
  list-style: disc;
  padding-left: 1.2rem;
}
.doc__date {
  font-family: var(--body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 0.8rem;
}

/* ── Page bêta (console) ───────────────────────────────── */
.console {
  min-height: 100vh;
  background: radial-gradient(120% 80% at 12% -10%, #12314f, var(--ink) 62%);
  color: #dbeaf7;
  padding-block: clamp(2.5rem, 5vw, 4rem) 4rem;
}
.console h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  color: #fff;
  margin-top: 0.5rem;
}
.console h2 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 1rem;
}
.console .lede {
  color: #accbe4;
  margin-top: 1rem;
}
.panel {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: rgba(9, 21, 38, 0.72);
  padding: clamp(1.4rem, 2.6vw, 2.1rem);
  margin-top: clamp(1.5rem, 3vw, 2.2rem);
}
.panel--amber {
  border-color: rgba(255, 111, 0, 0.4);
  background: rgba(255, 111, 0, 0.07);
}
.dl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  justify-content: space-between;
}
.dl__meta {
  display: grid;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #8fa8c0;
}
.dl__meta b {
  color: #dbeaf7;
  font-weight: 500;
}
.hash {
  word-break: break-all;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: #6f8ba5;
  margin-top: 1.1rem;
  line-height: 1.5;
}
.tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  min-width: 640px;
}
th,
td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line-dark);
  vertical-align: top;
}
th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7793ad;
  background: rgba(255, 255, 255, 0.02);
}
tbody tr:last-child td {
  border-bottom: 0;
}
td code,
.panel code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ice-soft);
  white-space: nowrap;
}
.role {
  font-family: var(--body);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}
.role--client {
  background: rgba(0, 188, 212, 0.14);
  color: var(--ice-soft);
}
.role--tech {
  background: rgba(255, 111, 0, 0.14);
  color: var(--amber-soft);
}
.role--admin {
  background: rgba(149, 117, 205, 0.16);
  color: #c3a9ef;
}
.steps-num {
  counter-reset: s;
  display: grid;
  gap: 0.9rem;
  /* La numérotation est portée par les pastilles ::before, pas par la liste. */
  list-style: none;
}
.steps-num li {
  counter-increment: s;
  position: relative;
  padding-left: 2.2rem;
  color: #accbe4;
  font-size: 0.94rem;
}
.steps-num li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  font-family: var(--body);
  font-size: 0.72rem;
  color: var(--ice);
}
.checks {
  display: grid;
  gap: 0.6rem;
}
.checks li {
  padding-left: 1.5rem;
  position: relative;
  color: #accbe4;
  font-size: 0.94rem;
}
.checks li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--ice);
  font-family: var(--body);
}
.warn strong {
  color: var(--amber-soft);
}
.warn p {
  color: #e3c9ae;
  font-size: 0.94rem;
}

/* ── Motion ────────────────────────────────────────────── */
/* L'apparition n'est armée que si le script tourne : sans JS, tout le
   contenu reste visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
}
.js .reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}