/* chavannes.ltd — crisp modern light. Single stylesheet, no build step. */

:root {
  /* Surfaces — warm, crisp light */
  --bg: #f4f4ee;
  --bg-2: #ecece4;
  --surface: #ffffff;
  --surface-sunken: #fafaf6;

  /* Ink */
  --ink: #15181b;
  --ink-soft: #4c5258;
  --ink-faint: #878d92;

  /* Lines */
  --line: #e4e3da;
  --line-soft: #eeede6;
  --line-strong: #d4d3c8;

  /* Accent — evolved forest/emerald green */
  --accent: #0c6e49;
  --accent-deep: #0a5638;
  --accent-bright: #14a06a;
  --accent-tint: #e4f1ea;
  --accent-glow: rgba(20, 160, 106, 0.16);

  /* Status */
  --amber: #9a6a12;
  --amber-tint: #f6edd6;

  /* Type */
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --sans: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Menlo", monospace;

  /* Geometry */
  --maxw: 70rem;
  --measure: 42rem;
  --radius: 18px;
  --radius-sm: 11px;

  --shadow-sm: 0 1px 2px rgba(20, 24, 27, 0.04), 0 2px 8px rgba(20, 24, 27, 0.05);
  --shadow-md: 0 2px 4px rgba(20, 24, 27, 0.05), 0 18px 40px -20px rgba(20, 24, 27, 0.22);
  --shadow-accent: 0 18px 44px -22px rgba(12, 110, 73, 0.45);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(60rem 40rem at 85% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(50rem 40rem at 0% 0%, rgba(12, 110, 73, 0.06), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Layout helpers ---------------------------------------------------------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.measure { max-width: var(--measure); }
.flush-top { padding-top: 0; }

/* Typography -------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}

p { margin: 0 0 1.15rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration: none; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin: 0 0 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  font-family: var(--sans);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.05rem;
  padding-bottom: 1.05rem;
}

.site-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.site-name .mark {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 7px;
  background: linear-gradient(140deg, var(--accent-bright), var(--accent-deep));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.8rem;
  box-shadow: var(--shadow-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.92rem;
}

.site-nav a {
  color: var(--ink-soft);
  position: relative;
  transition: color 0.2s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 1.5px;
  width: 0;
  background: var(--accent);
  transition: width 0.25s ease;
}

.site-nav a:hover { color: var(--ink); }
.site-nav a:not(.nav-cta):hover::after { width: 100%; }

.site-nav .nav-cta {
  color: var(--ink);
  font-weight: 600;
  padding: 0.4rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.site-nav .nav-cta:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Hero -------------------------------------------------------------------- */
.hero {
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.hero h1 {
  font-size: clamp(2.7rem, 7vw, 4.9rem);
  letter-spacing: -0.035em;
  margin: 0 0 1.4rem;
  max-width: 16ch;
}

.hero h1 .accent {
  color: var(--accent);
  font-style: italic;
  font-weight: 500;
}

.hero .lede {
  font-size: clamp(1.15rem, 2.3vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.hero-meta .stat .num {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: block;
  line-height: 1.1;
}

.hero-meta .stat .label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin-top: 0.35rem;
  display: block;
}

/* Buttons ----------------------------------------------------------------- */
.btn,
.cta {
  --_bg: var(--accent);
  --_fg: #fff;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1;
  color: var(--_fg);
  background: var(--_bg);
  padding: 0.85rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
  background: var(--accent-deep);
  color: #fff;
}

.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-ghost {
  --_bg: var(--surface);
  --_fg: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  color: var(--accent);
}

/* Section heading --------------------------------------------------------- */
.section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  letter-spacing: -0.025em;
}

.section-head .count {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Product grid / cards ---------------------------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.4rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.3s ease, border-color 0.3s ease;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-bright), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.card:hover::after { transform: scaleX(1); }

.card .card-index {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.card .card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.65rem 0 0.5rem;
}

.card h3 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.card h3 a { color: var(--ink); }

.card .card-desc {
  color: var(--ink-soft);
  font-size: 0.98rem;
  margin: 0.35rem 0 1.1rem;
}

.card .card-audience {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-bottom: 1.15rem;
}

.card .card-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9rem;
}

.card .card-foot .visit {
  margin-left: auto;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.card .card-foot .visit .arrow { transition: transform 0.2s ease; }
.card:hover .card-foot .visit .arrow { transform: translateX(3px); }

.card .card-foot .details {
  color: var(--ink-soft);
  font-weight: 500;
}
.card .card-foot .details:hover { color: var(--ink); }

/* Badges ------------------------------------------------------------------ */
.badge {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.6rem 0.28rem 0.55rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 0.45em;
  height: 0.45em;
  border-radius: 999px;
  background: currentColor;
  animation: badge-pulse 2.6s ease-in-out infinite;
}

.badge-live { color: var(--accent); background: var(--accent-tint); }
.badge-early { color: var(--amber); background: var(--amber-tint); }

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 currentColor; }
  60% { box-shadow: 0 0 0 0.4em transparent; }
}

/* Prose / generic content ------------------------------------------------- */
.prose { max-width: var(--measure); }
.prose p { color: var(--ink-soft); }
.prose h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  margin: 2.5rem 0 0.85rem;
}
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transition: text-decoration-color 0.2s ease;
}
.prose a:hover { text-decoration-color: var(--accent); }
.prose strong { color: var(--ink); font-weight: 700; }

/* Product detail page ----------------------------------------------------- */
.detail-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}
.detail-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
}
.detail-hero .lede {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--ink-soft);
  max-width: 40rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 17rem;
  gap: 3rem;
  align-items: start;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.detail-aside {
  position: sticky;
  top: 6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.detail-aside .aside-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 0.4rem;
}
.detail-aside .aside-domain {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 1.25rem;
  overflow-wrap: anywhere;
}
.detail-aside .btn { width: 100%; justify-content: center; }

.backlink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-top: 2.5rem;
  transition: gap 0.2s ease, color 0.2s ease;
}
.backlink:hover { color: var(--accent); gap: 0.65rem; }

/* About strip ------------------------------------------------------------- */
.about { border-top: 1px solid var(--line); }

/* Footer ------------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 7vw, 6rem);
  font-family: var(--sans);
  background: var(--surface-sunken);
}

.site-footer .wrap {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.footer-word {
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
}
.footer-word span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
  align-items: center;
}
.footer-links a {
  color: var(--ink-soft);
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--accent); }

.footer-fine {
  margin-top: 1.75rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.footer-fine p { margin: 0.2rem 0; }

/* Focus + selection ------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}
::selection { background: var(--accent-tint); color: var(--accent-deep); }

/* Motion / reveal --------------------------------------------------------- */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.js-reveal .reveal.is-visible { opacity: 1; transform: none; }

/* Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
  .detail-layout { grid-template-columns: 1fr; gap: 2rem; }
  .detail-aside { position: static; top: auto; }
}

@media (max-width: 620px) {
  .product-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 1.1rem; }
  .hero-meta { gap: 1.75rem; }
}

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