/* =========================================================================
   Gastrobenchmark Schweiz — Design-System & Layout
   Warme, helle Grundfläche · dunkle Hauptfarbe · ein Akzent.
   Alle Farb-/Typo-/Spacing-Werte als CSS Custom Properties, leicht ersetzbar.
   ========================================================================= */

:root {
  /* Farben */
  --color-bg: #F6F1E6;
  --color-bg-alt: #EFE6D3;
  --color-surface: #FFFFFF;
  --color-surface-muted: #FBF7EE;
  --color-ink: #1E271F;
  --color-ink-soft: #4B5A4E;
  --color-ink-faint: #7C8577;
  --color-line: #DCD0B7;
  --color-line-strong: #C7B996;
  --color-accent: #A6552B;
  --color-accent-strong: #7E3E1E;
  --color-accent-soft: #EAD7C4;
  --color-focus: #1E6B52;

  /* Diagrammfarben (bewusst neutral, keine Rot-Grün-Wertung) */
  --seg-cogs: #8B4225;
  --seg-labor: #24313C;
  --seg-opex: #6B5A36;
  --seg-result: #1B2420;
  --chart-business: #7E3E1E;
  --chart-peer: #6E7A6F;

  /* Typografie */
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-display: clamp(2.3rem, 4vw + 1rem, 3.6rem);
  --fs-h2: clamp(1.8rem, 2.6vw + 0.6rem, 2.5rem);
  --fs-h3: clamp(1.35rem, 1.4vw + 0.8rem, 1.7rem);
  --fs-h4: 1.125rem;
  --fs-lg: 1.15rem;
  --fs-body: 1rem;
  --fs-sm: 0.9rem;
  --fs-xs: 0.78rem;
  --lh-tight: 1.15;
  --lh-normal: 1.55;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  /* Sonstiges */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(30, 39, 31, 0.06), 0 10px 26px -14px rgba(30, 39, 31, 0.22);
  --shadow-frame: 0 24px 64px -28px rgba(30, 39, 31, 0.38);
  --container-max: 1180px;
  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 var(--space-4); }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-serif); font-weight: 600; line-height: var(--lh-tight); color: var(--color-ink); }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--color-accent-strong); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -60px;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--transition-base);
}
.skip-link:focus { top: var(--space-3); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
.section { padding-block: var(--space-8); }
.section--alt { background: var(--color-bg-alt); }
.section--ink { background: var(--color-ink); color: #F3EFE4; }
.section--ink h2, .section--ink h3, .section--ink h4 { color: #F3EFE4; }
.section-head { max-width: 720px; margin-bottom: var(--space-6); }
.section-head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.section--ink .eyebrow { color: var(--color-accent-soft); }
.lede { font-size: var(--fs-lg); color: var(--color-ink-soft); }
.section--ink .lede { color: #D8D2C2; }

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 560ms ease, transform 560ms ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-strong); }
.btn--secondary { background: var(--color-ink); color: #fff; }
.btn--secondary:hover { background: #0f150f; }
.btn--outline { background: transparent; color: var(--color-ink); border-color: var(--color-line-strong); }
.btn--outline:hover { border-color: var(--color-ink); }
.btn--ghost-invert { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--ghost-invert:hover { border-color: #fff; }
.btn--text { background: none; padding: 0.4rem 0; color: var(--color-accent-strong); font-weight: 600; border: none; }
.btn--text::after { content: "→"; margin-left: var(--space-2); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: var(--fs-xs); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 241, 230, 0.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.site-header.is-scrolled { border-bottom-color: var(--color-line); box-shadow: 0 8px 24px -20px rgba(30,39,31,0.4); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-3); gap: var(--space-4); }
.nav-logo { text-decoration: none; color: var(--color-ink); display: flex; align-items: center; gap: 0.6rem; }
.nav-logo__word { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; line-height: 1; display: flex; flex-direction: column; }
.nav-logo__country, .footer-brand__country {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-top: 0.2rem;
}

.gb-logo-mark { width: 30px; height: 30px; flex-shrink: 0; }
.gb-logo-mark__bg { fill: var(--color-ink); }
.gb-logo-mark__bar--a { fill: var(--color-accent); }
.gb-logo-mark__bar--b { fill: var(--color-accent-soft); }
.gb-logo-mark--onDark .gb-logo-mark__bg { fill: #F3EFE4; }
.gb-logo-mark--onDark .gb-logo-mark__bar--a { fill: var(--color-accent); }
.gb-logo-mark--onDark .gb-logo-mark__bar--b { fill: var(--color-ink); }

.footer-brand { display: flex; align-items: center; gap: 0.6rem; margin-bottom: var(--space-3); }
.footer-brand__word { font-family: var(--font-serif); font-weight: 700; font-size: 1.05rem; line-height: 1; display: flex; flex-direction: column; color: #F3EFE4; }
.footer-brand__country { color: #A6A08E; }
.nav-menu { display: flex; align-items: center; gap: var(--space-5); }
.nav-menu a { text-decoration: none; color: var(--color-ink-soft); font-size: var(--fs-sm); font-weight: 600; }
.nav-menu a:hover { color: var(--color-ink); }
.nav-cta { display: flex; align-items: center; gap: var(--space-4); }
.nav-toggle {
  display: none;
  background: none; border: 1.5px solid var(--color-line-strong); border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--color-ink); margin: 4px 0; }

@media (max-width: 860px) {
  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) clamp(1.25rem, 4vw, 2.5rem);
    border-bottom: 1px solid var(--color-line);
    display: none;
    gap: var(--space-3);
  }
  .nav-menu.is-open { display: flex; }
  .nav-cta .btn--primary { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero { padding-top: var(--space-7); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-8); align-items: center; }
.hero h1 { font-size: var(--fs-display); margin-bottom: var(--space-4); }
.hero .lede { margin-bottom: var(--space-5); }
.hero-links { margin-top: var(--space-3); }
.hero-links a { font-size: var(--fs-sm); }

.hero-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}
.hero-visual__badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}
.hero-visual h3 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.hero-visual__sub { color: var(--color-ink-soft); font-size: var(--fs-sm); margin-bottom: var(--space-4); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Problem cards ---------- */
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}
.problem-card__num { font-family: var(--font-serif); font-size: 1.6rem; color: var(--color-accent); margin-bottom: var(--space-3); }
.problem-card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.problem-card p { color: var(--color-ink-soft); margin: 0; font-size: var(--fs-sm); }

@media (max-width: 860px) { .card-grid-3 { grid-template-columns: 1fr; } }

/* ---------- Process steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  counter-reset: step;
  position: relative;
}
.process-step {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: var(--color-ink);
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-3);
}
.process-step h4 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.process-step p { color: var(--color-ink-soft); font-size: var(--fs-sm); margin: 0; }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.8rem; right: -1.3rem;
  width: 1.6rem; height: 2px;
  background: var(--color-line-strong);
  display: none;
}
@media (min-width: 861px) {
  .process-step:not(:last-child)::after { display: block; }
}
@media (max-width: 860px) { .process-steps { grid-template-columns: 1fr; } }

/* ---------- Profile chips ---------- */
.profile-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.chip-group { margin-bottom: var(--space-4); }
.chip-group h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-ink-faint); margin-bottom: var(--space-2); }
.chip-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1.5px solid var(--color-line-strong);
  background: var(--color-surface);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-ink-soft);
}
.chip--accent { border-color: var(--color-accent); color: var(--color-accent-strong); background: var(--color-accent-soft); }
.profile-note {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
}
@media (max-width: 860px) { .profile-visual { grid-template-columns: 1fr; } }

/* ---------- Platform preview: curated frames ---------- */
.frame-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.gb-frame {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-frame);
  overflow: hidden;
  text-align: left;
  padding: 0;
  width: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.gb-frame:hover, .gb-frame:focus-visible { transform: translateY(-4px); }
.gb-frame__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 0.8rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-line);
}
.gb-frame__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-line-strong); }
.gb-frame__title { margin-left: auto; font-size: var(--fs-xs); color: var(--color-ink-faint); font-weight: 600; }
.gb-frame__body { padding: var(--space-4); min-height: 150px; }
.gb-frame__caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-xs);
  color: var(--color-ink-soft);
  border-top: 1px solid var(--color-line);
}
.gb-frame--mini-kpi { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.gb-frame-stat { background: var(--color-surface-muted); border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: var(--space-3); }
.gb-frame-stat__label { display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-ink-faint); margin-bottom: 0.2rem; }
.gb-frame-stat__value { display: block; font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-ink); }

/* ---------- Mini POC ---------- */
.poc-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-frame);
  padding: var(--space-6);
}
.poc-fictional-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: var(--space-4);
}
.poc-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}
.poc-filters { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.poc-field { display: flex; flex-direction: column; gap: 0.3rem; }
.poc-field label { font-size: var(--fs-xs); font-weight: 700; color: var(--color-ink-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.poc-field select {
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-line-strong);
  background: var(--color-surface);
  min-width: 160px;
}
.poc-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.poc-tab {
  background: var(--color-surface-muted);
  border: 1.5px solid var(--color-line-strong);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink-soft);
}
.poc-tab.is-active { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }

.poc-kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-7); }
.gb-kpi-card {
  text-align: left;
  background: var(--color-surface-muted);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.gb-kpi-card:hover, .gb-kpi-card:focus-visible { border-color: var(--color-accent); transform: translateY(-2px); }
.gb-kpi-card.is-active { border-color: var(--color-accent-strong); background: #fff; box-shadow: var(--shadow-card); }
.gb-kpi-card__category { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-ink-faint); font-weight: 700; }
.gb-kpi-card__label { font-size: var(--fs-sm); font-weight: 600; color: var(--color-ink); }
.gb-kpi-card__own { font-family: var(--font-serif); font-size: 1.6rem; color: var(--color-ink); }
.gb-kpi-card__compare { font-size: var(--fs-xs); color: var(--color-ink-soft); display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.gb-kpi-card__deviation { font-size: var(--fs-sm); font-weight: 700; display: flex; align-items: center; gap: 0.35rem; color: var(--color-ink); }
.gb-kpi-card__arrow { font-size: 0.8rem; }
.gb-kpi-card__deviation--up { color: var(--color-accent-strong); }
.gb-kpi-card__deviation--down { color: var(--color-ink-soft); }
.gb-kpi-card__cta { font-size: var(--fs-xs); color: var(--color-accent-strong); font-weight: 700; margin-top: auto; }

.gb-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.gb-badge--illustrative { background: #EFE4D2; color: var(--color-accent-strong); }
.gb-badge--real { background: #DCE6DE; color: #1E4A2E; }

.poc-subsection { margin-bottom: var(--space-8); border-radius: var(--radius-md); transition: background var(--transition-base); }
.poc-subsection.gb-flash { background: var(--color-accent-soft); }
.poc-subsection h3 { font-size: var(--fs-h4); margin-bottom: var(--space-1); }
.poc-subsection__hint { font-size: var(--fs-xs); color: var(--color-ink-faint); margin-bottom: var(--space-4); }

.gb-chart { margin: 0; }
.gb-chart svg { width: 100%; height: auto; }
.gb-axis { stroke: var(--color-line-strong); stroke-width: 1; }
.gb-band-rect { fill: var(--color-accent-soft); stroke: var(--color-accent); stroke-width: 1; }
.gb-median-line { stroke: var(--color-ink-soft); stroke-width: 2; stroke-dasharray: 4 3; }
.gb-marker { fill: var(--color-accent-strong); stroke: #fff; stroke-width: 2; }
.gb-chart-label { font-size: 11px; fill: var(--color-ink); font-family: var(--font-sans); }
.gb-chart-label--muted { fill: var(--color-ink-faint); }
.gb-chart-label--marker { fill: var(--color-accent-strong); font-weight: 700; }
.gb-line { stroke-width: 2.5; }
.gb-line--business { stroke: var(--chart-business); }
.gb-line--peer { stroke: var(--chart-peer); stroke-dasharray: 5 4; }
.gb-dot--business { fill: var(--chart-business); }
.gb-dot--peer { fill: var(--chart-peer); }
.gb-legend { display: flex; gap: var(--space-4); margin-top: var(--space-2); flex-wrap: wrap; }
.gb-legend--wrap { row-gap: 0.4rem; }
.gb-legend-item { display: inline-flex; align-items: center; gap: 0.4rem; font-size: var(--fs-xs); color: var(--color-ink-soft); }
.gb-legend-swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.gb-legend-swatch--business { background: var(--chart-business); }
.gb-legend-swatch--peer { background: var(--chart-peer); }
.gb-seg-label { fill: #fff; font-size: 11px; font-weight: 700; }
.gb-seg--cogs { fill: var(--seg-cogs); }
.gb-seg--labor { fill: var(--seg-labor); }
.gb-seg--opex { fill: var(--seg-opex); }
.gb-seg--result { fill: var(--seg-result); }
.gb-legend-swatch.gb-seg--cogs { background: var(--seg-cogs); }
.gb-legend-swatch.gb-seg--labor { background: var(--seg-labor); }
.gb-legend-swatch.gb-seg--opex { background: var(--seg-opex); }
.gb-legend-swatch.gb-seg--result { background: var(--seg-result); }

.poc-sample-size { font-size: var(--fs-xs); color: var(--color-ink-faint); margin-top: var(--space-2); }

.cause-hints-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.gb-cause-card {
  background: var(--color-surface-muted);
  border: 1px dashed var(--color-line-strong);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.gb-cause-card__badge { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-accent-strong); margin-bottom: var(--space-2); }
.gb-cause-card h4 { font-size: var(--fs-sm); margin-bottom: var(--space-1); }
.gb-cause-card p { font-size: var(--fs-xs); color: var(--color-ink-soft); margin: 0; }

@media (max-width: 700px) {
  .poc-controls { flex-direction: column; align-items: stretch; }
}

/* ---------- Drawer ---------- */
.gb-drawer-backdrop {
  position: fixed; inset: 0;
  background: rgba(30, 39, 31, 0.45);
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base);
  z-index: 300;
}
.gb-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(420px, 92vw);
  background: var(--color-surface);
  box-shadow: -20px 0 60px -20px rgba(30,39,31,0.4);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 301;
  padding: var(--space-6) var(--space-5);
  overflow-y: auto;
}
.gb-drawer.is-open { transform: translateX(0); }
.gb-drawer.is-open + .gb-drawer-backdrop,
.gb-drawer.is-open ~ .gb-drawer-backdrop { opacity: 1; visibility: visible; }
.gb-drawer-close {
  background: var(--color-surface-muted);
  border: 1.5px solid var(--color-line-strong);
  border-radius: 999px;
  width: 2.2rem; height: 2.2rem;
  font-size: 1rem;
  margin-bottom: var(--space-4);
}
.gb-drawer-list { display: grid; gap: var(--space-1) 0; margin: 0; }
.gb-drawer-list dt { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-ink-faint); font-weight: 700; margin-top: var(--space-3); }
.gb-drawer-list dd { margin: 0.15rem 0 0; font-size: var(--fs-sm); color: var(--color-ink); }

/* ---------- Value props ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.value-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-5); }
.value-card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.value-card p { font-size: var(--fs-sm); color: var(--color-ink-soft); margin: 0; }
@media (max-width: 980px) { .value-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .value-grid { grid-template-columns: 1fr; } }

/* ---------- Partner tabs ---------- */
.partner-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-5); }
.partner-tab {
  background: var(--color-surface);
  border: 1.5px solid var(--color-line-strong);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  font-size: var(--fs-sm);
}
.partner-tab.is-active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.partner-panel { display: none; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-6); }
.partner-panel.is-active { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.partner-panel h3 { font-size: var(--fs-h3); margin-bottom: var(--space-3); }
.partner-panel ul { display: grid; gap: var(--space-2); }
.partner-panel li { font-size: var(--fs-sm); color: var(--color-ink-soft); padding-left: 1.2rem; position: relative; }
.partner-panel li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent); }
.partner-panel__role { font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-ink-faint); margin-bottom: var(--space-2); }
@media (max-width: 760px) { .partner-panel.is-active { grid-template-columns: 1fr; } }

/* ---------- Timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); }
.timeline-step { border-top: 3px solid var(--color-line-strong); padding-top: var(--space-3); }
.timeline-step.is-done { border-top-color: var(--color-accent-strong); }
.timeline-step.is-progress { border-top-color: var(--color-accent); }
.timeline-step.is-planned { border-top-color: var(--color-line-strong); }
.timeline-step__index { font-size: var(--fs-xs); color: var(--color-ink-faint); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.timeline-step__status {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-line-strong);
  color: var(--color-ink-soft);
}
.is-done .timeline-step__status { background: var(--color-accent-soft); border-color: var(--color-accent); color: var(--color-accent-strong); }
.is-progress .timeline-step__status { background: var(--color-surface-muted); border-color: var(--color-accent); color: var(--color-accent-strong); }
.timeline-step h4 { font-size: var(--fs-sm); margin: var(--space-1) 0; }
.timeline-step p { font-size: var(--fs-xs); color: var(--color-ink-soft); margin: 0; }
@media (max-width: 900px) { .timeline { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .timeline { grid-template-columns: 1fr; } }

.pilot-exchange { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-6); }
.exchange-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-5); }
.exchange-card h4 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
@media (max-width: 760px) { .pilot-exchange { grid-template-columns: 1fr; } }

/* ---------- Trust principles ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.trust-item {
  display: flex; gap: var(--space-3);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.trust-item__icon { font-family: var(--font-serif); color: var(--color-accent-strong); font-size: 1.2rem; flex-shrink: 0; }
.trust-item h4 { font-size: var(--fs-sm); margin-bottom: 0.2rem; }
.trust-item p { font-size: var(--fs-xs); color: var(--color-ink-soft); margin: 0; }
@media (max-width: 760px) { .trust-grid { grid-template-columns: 1fr; } }

/* ---------- Business model ---------- */
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.model-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-5); }
.model-card__tag { font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent-strong); text-transform: uppercase; letter-spacing: 0.04em; }
.model-card h3 { font-size: var(--fs-h4); margin: var(--space-2) 0 var(--space-3); }
.model-card p { font-size: var(--fs-sm); color: var(--color-ink-soft); margin: 0; }
@media (max-width: 860px) { .model-grid { grid-template-columns: 1fr; } }

/* ---------- Final CTA & Contact ---------- */
.cta-final { text-align: center; max-width: 720px; margin-inline: auto; }
.cta-final .btn-row { justify-content: center; margin-top: var(--space-5); }

.contact-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-8); margin-top: var(--space-7); align-items: start; }
.contact-info h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.contact-info p { font-size: var(--fs-sm); color: var(--color-ink-soft); }
.contact-email { font-weight: 700; color: var(--color-accent-strong); }

.gb-form { display: grid; gap: var(--space-4); background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-field { display: flex; flex-direction: column; gap: 0.35rem; }
.form-field label { font-size: var(--fs-xs); font-weight: 700; color: var(--color-ink-soft); }
.form-field input, .form-field select, .form-field textarea {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-line-strong);
  background: var(--color-surface-muted);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 0.6rem; font-size: var(--fs-xs); color: var(--color-ink-soft); }
.form-checkbox input { margin-top: 0.2rem; }
.gb-form-status { font-size: var(--fs-sm); font-weight: 600; }
.gb-form-status--error { color: var(--color-accent-strong); }
.gb-form-status--success { color: #1E4A2E; }
.form-honeypot { position: absolute; left: -9999px; }

@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { padding-block: var(--space-7); background: var(--color-ink); color: #CDC7B6; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--space-6); margin-bottom: var(--space-6); }
.footer-status { font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-accent-soft); margin-bottom: var(--space-2); }
.footer-col h4 { color: #F3EFE4; font-size: var(--fs-sm); margin-bottom: var(--space-3); }
.footer-col ul { display: grid; gap: var(--space-2); }
.footer-col a { color: #CDC7B6; font-size: var(--fs-sm); text-decoration: none; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-4); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); font-size: var(--fs-xs); color: #A6A08E; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }