:root {
  --bg: #f5efe2;          /* warm cream */
  --bg-2: #ffffff;
  --bg-3: #efe8d6;        /* warmer alpine tone */
  --ink: #1b2532;         /* deep slate */
  --ink-2: #3a4659;
  --ink-mute: #6b7787;
  --line: #d9d2c2;
  --line-soft: #e8e1d0;
  --red: #DA291C;         /* Swiss flag red */
  --red-soft: rgba(218, 41, 28, 0.06);
  --gold: #b58946;
  --snow: #faf6ec;

  --hero-photo: url("https://images.unsplash.com/photo-1486870591958-9b9d0d1dda99?w=1920&auto=format&fit=crop&q=80");

  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --container: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color 160ms ease; }
a:hover { color: var(--red); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 36px;
}

/* ---------- Swiss Flag (geometrically perfect SVG) ---------- */
.swiss-flag {
  width: 30px;
  height: 30px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ============================================================
   NAV — transparent over hero, cream sticky after scroll
============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 22px 36px;
  transition: background 240ms ease, border-color 240ms ease, color 240ms ease, padding 240ms ease;
  color: #fff;
}
.nav.is-scrolled {
  background: rgba(245, 239, 226, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
  padding: 14px 36px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.005em;
  color: inherit;
}
.brand-name { white-space: nowrap; }
.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: inherit;
}
.nav-links a { color: inherit; opacity: 0.85; }
.nav-links a:hover { color: var(--red); opacity: 1; }
.nav.is-scrolled .nav-links a { color: var(--ink-2); }
.lang {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
}
.lang-btn {
  background: none; border: none;
  color: inherit; opacity: 0.7;
  cursor: pointer;
  padding: 4px 6px;
  font: inherit;
}
.lang-btn.is-active { color: var(--red); opacity: 1; font-weight: 600; }
.lang-btn:hover { opacity: 1; }
.lang-sep { opacity: 0.5; }

/* ============================================================
   HERO — alpine photo, headline in shadow zone
============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 720px;
  background-image:
    linear-gradient(to bottom,
      rgba(10,12,16,0.55) 0%,
      rgba(10,12,16,0.30) 30%,
      rgba(10,12,16,0.05) 55%,
      rgba(10,12,16,0.0) 75%,
      rgba(10,12,16,0.05) 100%),
    var(--hero-photo);
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero-content {
  position: absolute;
  top: 48%;
  left: 50px;
  right: 50px;
  max-width: 980px;
  z-index: 2;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 30px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.55);
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: #e2e8ef;
}
.hero-sub {
  font-size: 17.5px;
  color: #fff;
  max-width: 640px;
  margin: 0;
  line-height: 1.55;
  text-shadow:
    0 1px 18px rgba(0,0,0,0.85),
    0 2px 6px rgba(0,0,0,0.7);
}

/* ============================================================
   SECTIONS — editorial premium
============================================================ */
.section {
  padding: 130px 0;
  position: relative;
}
.section-alt {
  background: var(--bg-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section-head {
  margin-bottom: 72px;
  max-width: 780px;
}
.section-head::before {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  background: var(--red);
  margin-bottom: 26px;
}
.section h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0 0 22px;
  color: var(--ink);
}
.section-lede {
  font-size: 18px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.6;
}

/* ---------- 01 APPROACH (3 editorial columns) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.card {
  position: relative;
  padding-top: 32px;
  border-top: 2px solid var(--ink);
}
.card h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 26px;
  margin: 0 0 14px;
  color: var(--ink);
}
.card p {
  color: var(--ink-2);
  font-size: 15.5px;
  margin: 0;
  line-height: 1.6;
}

/* ---------- 02 LICENSING (3-step flow + callout) ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
.flow-step {
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  border-radius: 2px;
  padding: 32px 28px;
}
.flow-step h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--ink);
}
.flow-step p {
  font-size: 14.5px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.6;
}
.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  padding: 28px 32px;
  border: 1px solid var(--red);
  background: var(--red-soft);
  border-radius: 2px;
}
.callout-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 600;
}
.callout p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink);
  line-height: 1.6;
}

/* ---------- 03 INSTRUMENT (editorial datasheet) ---------- */
.datasheet {
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: 2px;
  overflow: hidden;
}
.ds-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.ds-row:last-child { border-bottom: none; }
.ds-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.ds-v {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
}
.fine {
  margin-top: 28px;
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.7;
  max-width: 880px;
}

/* ---------- 04 ABOUT ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 72px;
  align-items: start;
}
.two-col p {
  color: var(--ink-2);
  font-size: 16.5px;
  margin: 0 0 18px;
}
.facts {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 32px 32px 26px;
}
.facts::before {
  /* corner Swiss flag accent */
  content: "";
  position: absolute;
  top: -1px; right: -1px;
  width: 38px; height: 38px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><rect width='32' height='32' fill='%23DA291C'/><rect x='13' y='6' width='6' height='20' fill='%23ffffff'/><rect x='6' y='13' width='20' height='6' fill='%23ffffff'/></svg>");
  background-size: cover;
}
.facts h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  max-width: calc(100% - 50px);
}
.facts dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 14px 18px;
  font-size: 14px;
}
.facts dt {
  font-family: var(--font-mono);
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
}
.facts dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--ink);
  color: #cdd4de;
  padding: 80px 0 32px;
  font-size: 13.5px;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 14px;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
  gap: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid #2a3647;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 20px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-addr {
  font-size: 13px;
  color: #97a2b3;
  line-height: 1.7;
  margin: 0;
}
.footer p { margin: 0; line-height: 1.7; color: #97a2b3; }
.footer .fine { color: #8190a5; font-size: 12.5px; margin-top: 0; }
.footer-bottom {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #6f7c91;
}
.footer-sep { color: #3b4759; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 960px) {
  .nav { padding: 16px 20px; gap: 14px; }
  .nav.is-scrolled { padding: 12px 20px; }
  .nav-links { display: none; }
  .container { padding: 0 22px; }
  .hero { min-height: 620px; }
  .hero-content { left: 28px; right: 28px; top: 44%; }
  .hero-title { font-size: 40px !important; margin-bottom: 22px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }
  .cards { grid-template-columns: 1fr; gap: 36px; }
  .flow { grid-template-columns: 1fr; gap: 18px; }
  .callout { grid-template-columns: 1fr; gap: 12px; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .facts { padding: 26px 24px; }
  .ds-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 20px; }
  .ds-v { font-size: 17px; }
  .footer-cols { grid-template-columns: 1fr; gap: 36px; }
}
