/* ============================================================
   KOHIHOT — SMART-STOP 24/7
   Design tokens + component styles
   ============================================================ */

/* ---------- Fonts ---------- */
/* Cabinet Grotesk (Fontshare) — display / headings: precise, geometric, technical */
/* Satoshi (Fontshare) — body: clean, neutral, highly legible */

:root {
  --font-display: 'Cabinet Grotesk', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', Arial, sans-serif;

  /* ---------- Type scale (fluid clamp) ---------- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6.5rem);

  /* ---------- Spacing (4px base) ---------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---------- Radius ---------- */
  --radius-sm: 0.3125rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* ---------- Motion ---------- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  /* ---------- Content widths ---------- */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1280px;
  --content-full: 100%;
}

/* ---------- Color — Light (default) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #eef1f5;
  --color-surface-offset: #e7ebf1;
  --color-divider: #e3e7ed;
  --color-border: #dce1e8;

  --color-text: #0f2438;
  --color-text-muted: #55637a;
  --color-text-faint: #96a2b5;
  --color-text-inverse: #f7f9fb;

  --color-primary: #b34f0c;
  --color-primary-hover: #93400a;
  --color-primary-active: #7a350a;
  --color-primary-highlight: #f4e1cc;

  --color-navy: #0f2438;
  --color-navy-2: #163a58;

  --color-success: #2f7d4f;
  --color-warning: #93400a;
  --color-error: #a13544;

  --shadow-sm: 0 1px 2px oklch(0.2 0.03 240 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.03 240 / 0.09);
  --shadow-lg: 0 20px 48px oklch(0.2 0.03 240 / 0.14);
}

/* ---------- Color — Dark ---------- */
[data-theme='dark'] {
  --color-bg: #0b1420;
  --color-surface: #101b2b;
  --color-surface-2: #16253a;
  --color-surface-offset: #13202f;
  --color-divider: #1b2b3f;
  --color-border: #223349;

  --color-text: #e4e9f0;
  --color-text-muted: #9aa7bc;
  --color-text-faint: #5e6c82;
  --color-text-inverse: #0b1420;

  --color-primary: #f0b255;
  --color-primary-hover: #f5c579;
  --color-primary-active: #f8d493;
  --color-primary-highlight: #33291a;

  --color-navy: #dfe6ef;
  --color-navy-2: #aecbe6;

  --color-success: #6daa45;
  --color-warning: #d99a54;
  --color-error: #d1687a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b1420;
    --color-surface: #101b2b;
    --color-surface-2: #16253a;
    --color-surface-offset: #13202f;
    --color-divider: #1b2b3f;
    --color-border: #223349;
    --color-text: #e4e9f0;
    --color-text-muted: #9aa7bc;
    --color-text-faint: #5e6c82;
    --color-text-inverse: #0b1420;
    --color-primary: #f0b255;
    --color-primary-hover: #f5c579;
    --color-primary-active: #f8d493;
    --color-primary-highlight: #33291a;
    --color-navy: #dfe6ef;
    --color-navy-2: #aecbe6;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.5);
  }
}

body {
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--color-navy);
  font-weight: 650;
  letter-spacing: -0.01em;
}

[data-theme='dark'] h1,
[data-theme='dark'] h2,
[data-theme='dark'] h3 {
  color: var(--color-text);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 2 * var(--space-6), var(--content-wide));
  margin-inline: auto;
}
.container--narrow {
  width: min(100% - 2 * var(--space-6), var(--content-narrow));
  margin-inline: auto;
}
.container--default {
  width: min(100% - 2 * var(--space-6), var(--content-default));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1.5px;
  background: var(--color-primary);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent);
  transition:
    transform 0.35s var(--ease-out-expo),
    box-shadow 0.35s var(--ease-out-expo);
}
.site-header.is-hidden {
  transform: translateY(-100%);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}
.brand-word {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-word strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-navy);
}
[data-theme='dark'] .brand-word strong {
  color: var(--color-text);
}
.brand-word span {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav ul {
  display: flex;
  gap: var(--space-6);
}
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  border-bottom: 1.5px solid transparent;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.03em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 2px;
}
.lang-switch a,
.lang-switch span {
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  line-height: 1;
}
.lang-switch a:hover {
  color: var(--color-text);
}
.lang-switch .is-active {
  background: var(--color-surface-alt, var(--color-surface));
  color: var(--color-text);
  font-weight: 600;
}
.mobile-nav-foot .lang-switch {
  align-self: flex-start;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-md);
  white-space: nowrap;
  min-height: 44px;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff8f0;
  box-shadow: var(--shadow-sm);
}
[data-theme='dark'] .btn--primary {
  color: #221204;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-text-faint);
  background: var(--color-surface-2);
}
.btn--on-dark {
  background: color-mix(in oklab, white 12%, transparent);
  color: #fff;
  border: 1.5px solid color-mix(in oklab, white 35%, transparent);
  backdrop-filter: blur(6px);
}
.btn--on-dark:hover {
  background: color-mix(in oklab, white 20%, transparent);
  border-color: color-mix(in oklab, white 60%, transparent);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: flex-end;
  color: #f2f5f8;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, oklch(0.1 0.03 250 / 0.15) 0%, oklch(0.08 0.02 250 / 0.55) 62%, oklch(0.06 0.02 250 / 0.86) 100%),
    linear-gradient(90deg, oklch(0.06 0.02 250 / 0.55) 0%, oklch(0.06 0.02 250 / 0.05) 55%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-20) var(--space-10);
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffd9a8;
  background: color-mix(in oklab, #000 35%, transparent);
  border: 1px solid color-mix(in oklab, #ffb46a 45%, transparent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffb703;
  box-shadow: 0 0 0 3px color-mix(in oklab, #ffb703 30%, transparent);
}
.hero h1 {
  font-size: var(--text-hero);
  color: #fbfbfa;
  max-width: 16ch;
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: normal;
  color: #ffb457;
}
.hero-lede {
  font-size: var(--text-lg);
  color: #dbe3ea;
  max-width: 46ch;
  margin-bottom: var(--space-10);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: var(--space-10);
  border-top: 1px solid color-mix(in oklab, #fff 20%, transparent);
  padding-top: var(--space-6);
  max-width: fit-content;
}
.hero-stats dt {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #fff;
  font-weight: 700;
}
.hero-stats dd {
  font-size: var(--text-xs);
  color: #b9c4cf;
  margin-top: var(--space-1);
  max-width: 18ch;
}

/* ---------- Intro / What is it — asymmetric two-col ---------- */
.intro {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.intro-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.intro-media figcaption {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  right: var(--space-5);
  font-size: var(--text-xs);
  color: #fff;
  background: color-mix(in oklab, #000 45%, transparent);
  backdrop-filter: blur(6px);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  max-width: fit-content;
}
.intro-text h2 {
  font-size: var(--text-2xl);
  margin-block: var(--space-4) var(--space-6);
  max-width: 15ch;
}
.intro-text p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}
.intro-points {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.intro-point {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.intro-point svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.2em;
}
.intro-point strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: 2px;
}
.intro-point p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Section heading pattern ---------- */
.section-head {
  max-width: 42rem;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}
.section-head p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}
.section-head--wide {
  max-width: 56rem;
}

/* ---------- Audiences — alternating editorial rows ---------- */
.audience-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.audience-row:last-child {
  border-bottom: 1px solid var(--color-divider);
}
.audience-row.reverse {
  grid-template-columns: 1.15fr 0.85fr;
}
.audience-row.reverse .audience-visual {
  order: 2;
}
.audience-num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}
.audience-copy h3 {
  font-size: var(--text-xl);
  margin-block: var(--space-3) var(--space-4);
}
.audience-copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.audience-copy ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.audience-copy li {
  display: flex;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.audience-copy li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 0.65em;
  flex-shrink: 0;
}
.audience-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.audience-visual .kpi {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.audience-visual .kpi strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy);
}
[data-theme='dark'] .audience-visual .kpi strong {
  color: var(--color-text);
}
.audience-visual .kpi span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 16ch;
}
.audience-visual .divider {
  height: 1px;
  background: var(--color-divider);
}
.audience-visual .mini-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.audience-visual .mini-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-3);
  justify-content: space-between;
}
.audience-visual .mini-list li b {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Engineering / autonomy — full-bleed callout ---------- */
.engineering {
  position: relative;
  background: var(--color-navy);
  color: #eef2f6;
  overflow: hidden;
}
[data-theme='dark'] .engineering {
  background: #060d16;
}
.engineering-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: center;
}
.engineering-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.engineering-media img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.engineering .eyebrow {
  color: #ffb457;
}
.engineering .eyebrow::before {
  background: #ffb457;
}
.engineering h2 {
  color: #fff;
  font-size: var(--text-2xl);
  margin-block: var(--space-4) var(--space-6);
  max-width: 14ch;
}
.engineering-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.engineering-item {
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid color-mix(in oklab, #fff 12%, transparent);
}
.engineering-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.engineering-item .idx {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: #ffb457;
  flex-shrink: 0;
  width: 2rem;
}
.engineering-item strong {
  display: block;
  font-size: var(--text-base);
  color: #fff;
  margin-bottom: var(--space-1);
}
.engineering-item p {
  font-size: var(--text-sm);
  color: #aab7c4;
  margin: 0;
}

/* ---------- Trust / compliance strip ---------- */
.trust {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-14));
  align-items: start;
}
.trust-lede h2 {
  font-size: var(--text-xl);
  max-width: 13ch;
  margin-bottom: var(--space-4);
}
.trust-lede p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.trust-card {
  border-left: none;
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-primary);
}
.trust-card h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.trust-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Gallery — masonry-ish ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 14rem;
  gap: var(--space-4);
}
.gallery-grid figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.gallery-grid figure.span-2 {
  grid-column: span 2;
}
.gallery-grid figure.row-2 {
  grid-row: span 2;
}
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}
.gallery-grid figure:hover img {
  transform: scale(1.05);
}
.gallery-grid figcaption {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  font-size: var(--text-xs);
  color: #fff;
  background: color-mix(in oklab, #000 40%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ---------- CTA / contact ---------- */
.cta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-14));
  align-items: center;
}
.cta h2 {
  font-size: var(--text-2xl);
  max-width: 14ch;
  margin-bottom: var(--space-4);
}
.cta > div > p {
  color: var(--color-text-muted);
  max-width: 40ch;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cta-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
}
.cta-contact span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cta-contact a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  font-weight: 700;
}
[data-theme='dark'] .cta-contact a {
  color: var(--color-text);
}
.cta-contact a:hover {
  color: var(--color-primary);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 32ch;
}
.footer-col h5 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-col a:hover {
  color: var(--color-text);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .main-nav ul {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .intro,
  .engineering-grid,
  .trust,
  .cta {
    grid-template-columns: 1fr;
  }
  .engineering-media {
    order: -1;
  }
  .audience-row,
  .audience-row.reverse {
    grid-template-columns: 1fr;
  }
  .audience-row.reverse .audience-visual {
    order: 0;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 11rem;
  }
  .hero-stats {
    grid-template-columns: repeat(3, auto);
    gap: var(--space-6);
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 100vh;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-5);
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 8.5rem;
  }
  .gallery-grid figure.span-2 {
    grid-column: span 2;
  }
}

/* ---------- Mobile nav drawer ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out-expo);
}
.mobile-nav.is-open {
  transform: translateX(0);
}
.mobile-nav-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-10);
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  padding-block: var(--space-3);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ---------- Booking widget ---------- */
.booking-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-md);
}
.booking-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.field input,
.field select {
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355637a' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 1rem;
  padding-right: var(--space-8);
}
.field input:focus-visible,
.field select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 18%, transparent);
}
.field input::-webkit-calendar-picker-indicator {
  filter: var(--date-icon-filter, none);
  cursor: pointer;
}
[data-theme='dark'] .field input::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

.booking-summary {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.booking-summary-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.booking-summary-item span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.booking-summary-item strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
}
[data-theme='dark'] .booking-summary-item strong {
  color: var(--color-text);
}
.booking-summary .btn {
  margin-left: auto;
}
.booking-note {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  min-height: 1.2em;
}

@media (max-width: 960px) {
  .booking-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .booking-grid {
    grid-template-columns: 1fr;
  }
  .booking-summary {
    flex-direction: column;
    align-items: stretch;
  }
  .booking-summary .btn {
    margin-left: 0;
    width: 100%;
  }
}