/* ============================================================
   NYSOM — nysom.fr
   Identité : sapin / sable / laiton
   Typo : Archivo (display) · Spectral (corps) · IBM Plex Mono (data)
   ============================================================ */

/* Polices auto-hébergées (RGPD : aucun appel à Google Fonts) */
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face { font-family: "Spectral"; src: url("../fonts/spectral-latin-300-normal.woff2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "Spectral"; src: url("../fonts/spectral-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Spectral"; src: url("../fonts/spectral-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

:root {
  --noir-sapin: #0D1F19;
  --sapin: #142B22;
  --sapin-clair: #1C3A2E;
  --sable: #EAE3D2;
  --sable-dim: #A8A08F;
  --laiton: #C9A227;
  --laiton-doux: rgba(201, 162, 39, 0.45);
  --hairline: rgba(234, 227, 210, 0.14);

  --display: "Archivo", system-ui, sans-serif;
  --body: "Spectral", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --w-max: 1080px;
  --pad-x: clamp(20px, 5vw, 64px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--noir-sapin);
  color: var(--sable);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--laiton); color: var(--noir-sapin); }

a { color: inherit; }

.wrap {
  max-width: var(--w-max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 31, 25, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.wordmark-text {
  display: inline-flex;
  align-items: center;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 650;
  font-variation-settings: "wdth" 125;
  letter-spacing: 0.32em;
  color: var(--sable);
  line-height: 1;
}

.wordmark .o-poi {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin: 0 0.34em 0 0.04em;
  flex: none;
}

.nav {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a {
  text-decoration: none;
  color: var(--sable-dim);
  transition: color 160ms ease;
}
.nav a:hover, .nav a:focus-visible { color: var(--sable); }
.nav a.nav-contact { color: var(--laiton); }

@media (max-width: 720px) {
  .nav { display: none; }
}

/* ---------- Eyebrows & sections ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--laiton);
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

section { padding: clamp(64px, 9vw, 112px) 0; border-bottom: 1px solid var(--hairline); }
section:last-of-type { border-bottom: none; }

h2 {
  font-family: var(--display);
  font-weight: 600;
  font-stretch: 115%;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: 0.005em;
  margin: 22px 0 18px;
  max-width: 21ch;
}

.lede {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--sable);
  max-width: 62ch;
}
.muted { color: var(--sable-dim); }
p + p { margin-top: 14px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}

.hero .wrap {
  position: relative;
  z-index: 2;
  padding-top: clamp(84px, 12vw, 150px);
  padding-bottom: clamp(84px, 12vw, 150px);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-stretch: 120%;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.002em;
  max-width: 18ch;
  margin: 26px 0 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--laiton);
}

.hero .lede { max-width: 56ch; }

.hero-ctas { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid var(--laiton-doux);
  color: var(--sable);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn:hover, .btn:focus-visible {
  background: var(--laiton);
  border-color: var(--laiton);
  color: var(--noir-sapin);
}
.btn.btn-solid {
  background: var(--laiton);
  border-color: var(--laiton);
  color: var(--noir-sapin);
}
.btn.btn-solid:hover, .btn.btn-solid:focus-visible {
  background: var(--sable);
  border-color: var(--sable);
}

/* Graticule (signature) */
.graticule {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ---------- Flagship TRIBE ---------- */

.flagship-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
@media (max-width: 860px) {
  .flagship-grid { grid-template-columns: 1fr; }
}

.fact-list { list-style: none; margin-top: 28px; }
.fact-list li {
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
}
.fact-list li:last-child { border-bottom: 1px solid var(--hairline); }
.fact-list .k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sable-dim);
  padding-top: 3px;
}
.fact-list .v { color: var(--sable); }
@media (max-width: 540px) {
  .fact-list li { grid-template-columns: 1fr; gap: 4px; }
}

.tribe-card {
  border: 1px solid var(--hairline);
  background: var(--sapin);
  padding: clamp(24px, 3vw, 36px);
}
.tribe-card .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--laiton);
}
.tribe-card h3 {
  font-family: var(--display);
  font-stretch: 118%;
  font-weight: 600;
  font-size: 30px;
  margin: 12px 0 10px;
}
.tribe-card p { color: var(--sable-dim); font-size: 15.5px; }
.tribe-card .coords {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sable-dim);
  letter-spacing: 0.04em;
}
.tribe-card .coords span { color: var(--laiton); }
.tribe-card .card-ctas { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Studio ---------- */

.studio-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  margin-top: 36px;
}
@media (max-width: 860px) { .studio-cols { grid-template-columns: 1fr; } }

.studio-col { background: var(--noir-sapin); padding: 28px 26px 32px; }
.studio-col h3 {
  font-family: var(--display);
  font-stretch: 115%;
  font-weight: 600;
  font-size: 19px;
  margin-bottom: 10px;
}
.studio-col .verb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--laiton);
  display: block;
  margin-bottom: 14px;
}
.studio-col p { font-size: 15.5px; color: var(--sable-dim); }

/* ---------- Stack ---------- */

.stack-table {
  margin-top: 36px;
  border: 1px solid var(--hairline);
}
.stack-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--hairline);
}
.stack-row:last-child { border-bottom: none; }
.stack-row .k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sable-dim);
  padding: 16px 20px;
  border-right: 1px solid var(--hairline);
  background: var(--sapin);
}
.stack-row .v {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--sable);
  padding: 16px 20px;
  line-height: 1.7;
}
@media (max-width: 640px) {
  .stack-row { grid-template-columns: 1fr; }
  .stack-row .k { border-right: none; border-bottom: 1px solid var(--hairline); padding: 10px 16px; }
  .stack-row .v { padding: 12px 16px; }
}

/* ---------- Approche / structure ---------- */

.approche-note {
  margin-top: 30px;
  border-left: 2px solid var(--laiton);
  padding: 6px 0 6px 22px;
  max-width: 62ch;
}
.approche-note p { color: var(--sable); }

.structure-line {
  margin-top: 36px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 2.1;
  color: var(--sable-dim);
  letter-spacing: 0.03em;
}
.structure-line strong { color: var(--sable); font-weight: 500; }

/* ---------- Contact / footer ---------- */

.contact .lede a { color: var(--laiton); text-decoration: none; border-bottom: 1px solid var(--laiton-doux); }
.contact .lede a:hover { border-bottom-color: var(--laiton); }

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 34px 0 44px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--sable-dim);
  line-height: 2;
}
.site-footer a { color: var(--sable-dim); text-decoration: none; }
.site-footer a:hover { color: var(--sable); }

/* ---------- Révélation au scroll ---------- */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Page mentions légales ---------- */

.legal { padding: 72px 0 96px; }
.legal h1 {
  font-family: var(--display);
  font-stretch: 115%;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  margin: 20px 0 30px;
}
.legal h2 { font-size: 20px; margin-top: 38px; }
.legal p { color: var(--sable-dim); max-width: 68ch; }
.legal p strong { color: var(--sable); font-weight: 500; }