/* =========================================================
   CARNUTIS — Design tokens
   Palette inspired by the Chartres cathedral's cobalt stained
   glass, the bronze of Gallic torque jewellery, and the pale
   limestone of the Beauce plain surrounding the city.
   ========================================================= */
:root {
  --ink: #0d1b33;
  --ink-2: #142647;
  --ink-3: #1c3157;
  --blue: #1e4c8a;
  --blue-light: #3a6bb0;
  --gold: #b8903f;
  --gold-light: #d4af6a;
  --paper: #ede7d8;
  --paper-2: #e2dac5;
  --ink-on-paper: #1b1a17;
  --mist: #a9b8d1;
  --mist-dim: #7c8bab;
  --cream: #f3efe5;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --container: 1180px;
  --radius: 2px;
}

/* Reset ---------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

/* Focus visibility (accessibility, not decorative) --------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold-light);
  display: inline-block;
}
.on-light .eyebrow { color: var(--blue); }
.on-light .eyebrow::before { background: var(--blue); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }

/* Header ----------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 27, 51, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(184, 144, 63, 0.22);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
}
.logo svg { width: 30px; height: 30px; flex-shrink: 0; }
.logo .sas-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--mist-dim);
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-left: 0.35rem;
  border: 1px solid var(--mist-dim);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius);
}
.main-nav ul { display: flex; gap: 2.1rem; align-items: center; }
.main-nav a {
  font-size: 0.92rem;
  color: var(--mist);
  transition: color 0.15s ease;
  position: relative;
}
.main-nav a:hover { color: var(--cream); }
.main-nav a.cta-link {
  color: var(--ink);
  background: var(--gold-light);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
}
.main-nav a.cta-link:hover { background: var(--gold); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--mist-dim);
  color: var(--cream);
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.4rem; }
  .main-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--ink);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    overflow-y: auto;
  }
  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.6rem;
  }
}

/* Hero --------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 7rem;
  border-bottom: 1px solid rgba(184, 144, 63, 0.18);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  margin: 1.1rem 0 1.4rem;
  color: var(--cream);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-light);
}
.hero p.lede {
  font-size: 1.13rem;
  color: var(--mist);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--gold-light); color: var(--ink); }
.btn-primary:hover { background: var(--gold); transform: translateY(-1px); }
.btn-ghost { border-color: var(--mist-dim); color: var(--cream); }
.btn-ghost:hover { border-color: var(--cream); }

.hero-mark {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-mark svg { width: 100%; height: auto; opacity: 0.9; }
.hero-mark .mark-caption {
  position: absolute;
  bottom: -0.3rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist-dim);
  text-align: center;
  white-space: nowrap;
}

/* Section scaffolding ------------------------------------------ */
section { padding: 5.5rem 0; }
.section-head { max-width: 62ch; margin-bottom: 3rem; }
.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-top: 0.9rem;
  color: var(--cream);
}
.on-light .section-head h2 { color: var(--ink-on-paper); }
.section-head p { color: var(--mist); margin-top: 0.9rem; font-size: 1.02rem; }
.on-light .section-head p { color: #4c493f; }

.on-light { background: var(--paper); color: var(--ink-on-paper); }
.section-alt { background: var(--ink-2); }

/* Small spacing/utility helpers (replace inline styles for strict CSP) */
.mt-lg { margin-top: 1.5rem; }
.mt-sm { margin-top: 0.9rem; }
.about-heading { margin-top: 0.9rem; }
.contact-aside p { color: var(--mist); font-size: 0.98rem; }
.text-center { text-align: center; }
.pt-xxl { padding-top: 6rem; }
.flex-center { justify-content: center; display: flex; }

/* Product cards --------------------------------------------------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
.product-card {
  background: var(--ink-2);
  border: 1px solid rgba(184, 144, 63, 0.2);
  border-radius: var(--radius);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.product-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.product-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
}
.product-card h3 { font-size: 1.5rem; color: var(--cream); }
.product-card p { color: var(--mist); font-size: 0.98rem; flex-grow: 1; }
.product-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cream);
  border-top: 1px solid rgba(184, 144, 63, 0.2);
  padding-top: 1rem;
}
.product-card .card-link:hover { color: var(--gold-light); }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { order: -1; max-width: 260px; margin: 0 auto 1rem; }
  .solutions-grid { grid-template-columns: 1fr; }
}

/* About / founders -------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: start;
}
.about-copy p { margin-bottom: 1.1rem; color: #3d3a30; font-size: 1.02rem; }
.about-copy p:last-child { margin-bottom: 0; }
.founders { display: flex; flex-direction: column; gap: 1.1rem; }
.founder-card {
  background: var(--paper-2);
  border: 1px solid rgba(30, 76, 138, 0.18);
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
}
.founder-card .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}
.founder-card .name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 0.35rem;
}
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* Principles ------------------------------------------------------- */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.principle {
  border-top: 1px solid rgba(184, 144, 63, 0.35);
  padding-top: 1.3rem;
}
.principle .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
}
.principle h3 { font-size: 1.15rem; margin: 0.6rem 0 0.6rem; color: var(--cream); }
.principle p { color: var(--mist); font-size: 0.95rem; }
@media (max-width: 760px) {
  .principles-grid { grid-template-columns: 1fr; }
}

/* Contact ------------------------------------------------------------ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-block {
  background: var(--ink-2);
  border: 1px solid rgba(184, 144, 63, 0.2);
  border-radius: var(--radius);
  padding: 2rem;
}
.contact-line {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(184, 144, 63, 0.15);
}
.contact-line:last-child { border-bottom: none; }
.contact-line .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
  text-transform: uppercase;
}
.contact-line .value { font-size: 1.05rem; color: var(--cream); }
.contact-line a.value:hover { color: var(--gold-light); }
.note-box {
  font-size: 0.88rem;
  color: var(--mist-dim);
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
  margin-top: 1.5rem;
}
@media (max-width: 760px) {
  .contact-wrap { grid-template-columns: 1fr; }
}

/* Footer ------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  border-top: 1px solid rgba(184, 144, 63, 0.2);
  padding: 3.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand p { color: var(--mist-dim); font-size: 0.9rem; margin-top: 0.9rem; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a { color: var(--mist); font-size: 0.92rem; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(184, 144, 63, 0.12);
  font-size: 0.82rem;
  color: var(--mist-dim);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Reveal on scroll (respects reduced motion via base rule above) ----- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Legal pages ---------------------------------------------------------- */
.legal-page { background: var(--paper); color: var(--ink-on-paper); min-height: 100vh; }
.legal-content { max-width: 780px; margin: 0 auto; padding: 4rem 1.5rem 6rem; }
.legal-content h1 { font-size: 2.1rem; margin-bottom: 0.5rem; }
.legal-content .updated { font-family: var(--font-mono); font-size: 0.8rem; color: var(--blue); margin-bottom: 2.5rem; display: block; }
.legal-content h2 { font-size: 1.25rem; margin: 2.2rem 0 0.8rem; color: var(--ink-on-paper); }
.legal-content p, .legal-content li { color: #3d3a30; font-size: 0.98rem; margin-bottom: 0.7rem; }
.legal-content ul { list-style: disc; padding-left: 1.4rem; }
.legal-content a { color: var(--blue); text-decoration: underline; }
.legal-content .placeholder {
  background: rgba(184, 144, 63, 0.18);
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.92em;
}
.back-link { display: inline-block; margin-bottom: 2rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--blue); }