/* SINVAUX company site - shares Aftermath's typography pairing (Bodoni
   Moda + Inter) and hairline/divider language so the two sites read as
   family, but deliberately inverted to dark (Encre) rather than
   Aftermath's light parchment - the company site should not look like a
   reskinned product page. No paper texture here either, for the same
   reason; a subtle dark grain stands in for material texture instead. */

:root {
  --ivory: #14110F;        /* "ivory" name kept for parity with the shared
                               component vocabulary - it's the base SURFACE
                               token, dark here rather than light. */
  --ivory-deep: #1D1916;
  --ink: #EFE7D9;           /* primary text - light, on the dark surface */
  --ink-soft: #A79E8C;
  --line: #3A332A;
  --line-strong: #574C3C;
  --grenat: #9B3C4A;        /* lifted a step brighter than the light-site's
                               #7C2E3A - the same hue needs more luminance
                               to hold contrast against a near-black field. */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root { color-scheme: only dark; }

html { overflow-x: hidden; }

* { box-sizing: border-box; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--ink);
  font-family: 'Bodoni Moda', Georgia, 'Times New Roman', serif;
  -webkit-font-smoothing: auto;
  -moz-osx-font-smoothing: auto;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, a, span, li, dt, dd { color: var(--ink); }

.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: url('/textures/grain.jpg') repeat;
  background-size: 220px 220px;
  /* grain.jpg is a light-paper grain asset - screen blending it onto a
     dark field reads as fine noise instead of a visible light patch,
     which a plain low-opacity overlay (fine on the light site) would be
     here. */
  mix-blend-mode: screen;
  opacity: 0.05;
}

/* ---------- typography ---------- */

.wordmark-xl {
  font-size: clamp(4.5rem, 15vw, 13rem);
  font-weight: 800;
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 10;
  letter-spacing: -0.008em;
  line-height: 0.86;
  margin: 0;
  color: var(--ink);
}

.section-title {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 10;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0;
}

.lead {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 34rem;
}

.label-muted {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

.kicker {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grenat);
  display: block;
  margin-bottom: 1rem;
}

.hr-line { border: none; border-top: 1px solid var(--line); margin: 0; width: 100%; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 8vw;
  z-index: 50;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.8rem;
  background: rgba(20, 17, 15, 0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.nav-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink);
}
.nav-symbol { width: 26px; height: 26px; flex-shrink: 0; }
.nav a.nav-link { color: var(--ink-soft); text-decoration: none; margin-left: 1.8rem; }
.nav a.nav-link:hover { color: var(--grenat); }

/* ---------- sections ---------- */

.room {
  position: relative;
  padding: 7rem 8vw;
  overflow: hidden;
}
.room.is-spacious { padding: 10rem 8vw; }
.room-inner { max-width: 1100px; margin: 0 auto; width: 100%; position: relative; z-index: 1; }
.room.tone-deep {
  background: var(--ivory-deep);
}

.divider { display: flex; align-items: center; gap: 1rem; margin-bottom: 2.4rem; }
.divider-line { flex: 1; height: 0; margin: 0; border: none; border-top: 1px solid var(--line); }
.divider-label {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft); flex-shrink: 0;
}

/* ---------- product card ---------- */

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
  align-items: center;
  background: var(--ivory-deep);
  border: 1px solid var(--line);
  padding: 3rem;
  box-shadow: 0 30px 60px -34px rgba(0,0,0,0.6);
  transition: transform 380ms var(--ease), box-shadow 380ms var(--ease), border-color 380ms var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7);
}
.product-card:hover .product-visual .nav-symbol { transform: scale(1.06); }
.product-visual .nav-symbol { transition: transform 380ms var(--ease); }
.product-card h3 { font-size: 1.9rem; font-weight: 700; margin: 0 0 0.8rem; }
.product-card .lead { max-width: none; margin-bottom: 1.6rem; }
.product-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.6rem;
}
.product-tag {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--line-strong); padding: 0.3rem 0.7rem; color: var(--ink-soft);
}
.product-visual {
  border: 1px solid var(--line);
  background: var(--ivory);
  padding: 2rem;
  text-align: center;
}
.product-visual .nav-symbol { width: 72px; height: 72px; }
.product-visual p {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
  margin: 1rem 0 0;
}

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

/* ---------- account forms (login/register) ---------- */

.form-stage { display: flex; justify-content: center; }
.form-card {
  width: 100%;
  max-width: 400px;
  background: var(--ivory-deep);
  border: 1px solid var(--line);
  padding: 2.6rem;
  box-shadow: 0 30px 60px -34px rgba(0,0,0,0.6);
}
.form-card h1 { font-size: 1.7rem; font-weight: 700; margin: 0; }
.form-input {
  width: 100%;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.9rem;
  padding: 0.85rem 0.9rem;
  background: var(--ivory);
  border: 1px solid var(--line);
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.form-input:focus { outline: none; border-color: var(--line-strong); }
.form-input::placeholder { color: var(--ink-soft); opacity: 1; }
.form-remember {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}
.form-remember input { width: auto; }
.form-error {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--grenat);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}
.form-switch {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 1.2rem;
}
.form-switch a { color: var(--ink); }

/* ---------- more-apps placeholder ---------- */

.more-apps {
  border: 1px dashed var(--line-strong);
  padding: 2.4rem;
  text-align: center;
}
.more-apps p { margin: 0; }

/* ---------- values grid ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.value-card { background: var(--ivory); padding: 2rem 1.8rem; }
.value-card h4 { font-size: 1.05rem; font-weight: 700; margin: 0 0 0.6rem; }
.value-card p {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.85rem; color: var(--ink-soft); line-height: 1.6; margin: 0;
}

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

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.85rem 1.7rem;
  background: var(--ink); color: var(--ivory);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: transform 220ms var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn.grenat { background: var(--grenat); border-color: var(--grenat); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--ivory); }

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

.foot-full {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 4rem 8vw 2rem;
}
.foot-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.4rem;
  margin: 0 auto 3rem;
}
.foot-brand .nav-mark { display: inline-flex; align-items: center; gap: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-decoration: none; color: var(--ink); }
.foot-col h4 {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 1rem;
}
.foot-col a {
  display: block;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.85rem; color: var(--ink); text-decoration: none; padding: 0.35rem 0;
}
.foot-col a:hover { color: var(--grenat); }
.foot-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.72rem;
  color: var(--ink-soft);
}

@media (max-width: 900px) {
  .foot-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .foot-top { grid-template-columns: 1fr; }
}

/* ---------- ambient WebGL canvas (scene.js) ---------- */

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}
.nav, .room, .foot { position: relative; z-index: 1; }

/* ---------- manifesto (full-bleed statement) ---------- */

.manifesto {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 6vw;
}
.manifesto-line {
  font-size: clamp(2.2rem, 6.5vw, 5.4rem);
  font-weight: 800;
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 10;
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 62rem;
  margin: 0 auto;
}
.manifesto-line em {
  font-style: normal;
  color: var(--grenat);
}

/* ---------- numbered story rows ---------- */

.story-row {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.6rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}
.story-row:last-child { border-bottom: 1px solid var(--line); }
.story-num {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--grenat);
  letter-spacing: 0.06em;
}
.story-row h4 { font-size: 1.2rem; font-weight: 700; margin: 0 0 0.5rem; }
.story-row p {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
  max-width: 42rem;
}

@media (max-width: 640px) {
  .story-row { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ---------- reveal (simple fade-in, no JS observer needed for a page this short) ---------- */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal-stagger.is-visible > * { opacity: 1; transform: translateY(0); transition-delay: calc(var(--i, 0) * 90ms); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .btn, .product-card { transition: none; }
}