/* style.css — Quantovant design system + components */

/* ============ FONTS ============ */
/* Cabinet Grotesk (Fontshare) — display/headings; Inter (Google) — body */

/* ============ DESIGN TOKENS ============ */
:root,
[data-theme='light'] {
  /* Type scale */
  --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, 5rem);
  --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;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* === Quantovant Palette: Charcoal + Gold === */
  --color-bg: #f6f5f2;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaf7;
  --color-surface-offset: #eeece6;
  --color-surface-offset-2: #e5e2da;
  --color-surface-dynamic: #dcd8cd;
  --color-divider: #ddd9d0;
  --color-border: #cfcbc0;

  --color-text: #1c1c1e;
  --color-text-muted: #5c5b57;
  --color-text-faint: #96938a;
  --color-text-inverse: #f6f5f2;

  /* Fixed light text for always-dark surfaces (hero, charcoal sections, footer) */
  --color-on-dark: #f6f5f2;
  --color-on-dark-muted: color-mix(in oklab, #f6f5f2 75%, transparent);
  --color-on-dark-faint: color-mix(in oklab, #f6f5f2 50%, transparent);

  --color-charcoal: #1c1c1e;
  --color-charcoal-2: #2a2a28;
  --color-charcoal-3: #34332f;

  --color-primary: #a8802f;
  --color-primary-hover: #8c6b26;
  --color-primary-active: #705520;
  --color-primary-highlight: #ecdfbf;

  --color-gold: #c9a24b;
  --color-gold-hover: #b78e37;
  --color-gold-active: #96742c;
  --color-gold-highlight: #f0e4c4;
  --color-gold-soft: #e8d9ab;

  --color-success: #4c7a3a;
  --color-warning: #a15a24;
  --color-error: #a13636;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.08);
  --shadow-md: 0 4px 14px oklch(0.2 0.01 80 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.2 0.01 80 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #17171a;
  --color-surface: #1e1e21;
  --color-surface-2: #232326;
  --color-surface-offset: #26262a;
  --color-surface-offset-2: #2d2d31;
  --color-surface-dynamic: #34343a;
  --color-divider: #303035;
  --color-border: #3a3a40;

  --color-text: #ece9e2;
  --color-text-muted: #a3a09a;
  --color-text-faint: #6f6d68;
  --color-text-inverse: #17171a;

  /* Fixed light text for always-dark surfaces (hero, charcoal sections, footer) */
  --color-on-dark: #f6f5f2;
  --color-on-dark-muted: color-mix(in oklab, #f6f5f2 75%, transparent);
  --color-on-dark-faint: color-mix(in oklab, #f6f5f2 50%, transparent);

  --color-charcoal: #0f0f11;
  --color-charcoal-2: #17171a;
  --color-charcoal-3: #202023;

  --color-primary: #d4af37;
  --color-primary-hover: #e3c25a;
  --color-primary-active: #f0d580;
  --color-primary-highlight: #3a3320;

  --color-gold: #d4af37;
  --color-gold-hover: #e3c25a;
  --color-gold-active: #f0d580;
  --color-gold-highlight: #3a3320;
  --color-gold-soft: #4a4128;

  --color-success: #7fae61;
  --color-warning: #d08a4f;
  --color-error: #d6746f;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #17171a;
    --color-surface: #1e1e21;
    --color-surface-2: #232326;
    --color-surface-offset: #26262a;
    --color-surface-offset-2: #2d2d31;
    --color-surface-dynamic: #34343a;
    --color-divider: #303035;
    --color-border: #3a3a40;
    --color-text: #ece9e2;
    --color-text-muted: #a3a09a;
    --color-text-faint: #6f6d68;
    --color-text-inverse: #17171a;
    --color-charcoal: #0f0f11;
    --color-charcoal-2: #17171a;
    --color-charcoal-3: #202023;
    --color-primary: #d4af37;
    --color-primary-hover: #e3c25a;
    --color-primary-active: #f0d580;
    --color-primary-highlight: #3a3320;
    --color-gold: #d4af37;
    --color-gold-hover: #e3c25a;
    --color-gold-active: #f0d580;
    --color-gold-highlight: #3a3320;
    --color-gold-soft: #4a4128;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 6px 18px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
  }
}

/* ============ GLOBAL ELEMENTS ============ */
body {
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container--default {
  max-width: var(--content-default);
}

.container--narrow {
  max-width: var(--content-narrow);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

p {
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--color-gold);
}

/* ============ 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 var(--color-divider);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header--hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
}

.brand svg {
  width: 32px;
  height: 32px;
  color: var(--color-text);
  flex-shrink: 0;
}

.brand-name {
  letter-spacing: -0.01em;
}

.brand-name .brand-sub {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-top: 1px;
}

.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);
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--transition-interactive);
}

.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--color-text);
}

.main-nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-highlight);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  align-items: center;
  justify-content: center;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--transition-interactive), color var(--transition-interactive),
    border-color var(--transition-interactive), transform var(--transition-interactive);
  min-height: 44px;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-gold);
  color: #1c1c1e;
}

.btn-primary:hover {
  background: var(--color-gold-hover);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-text);
}

.btn-ghost-inverse {
  background: transparent;
  border-color: color-mix(in oklab, var(--color-on-dark) 30%, transparent);
  color: var(--color-on-dark);
}

.btn-ghost-inverse:hover {
  border-color: var(--color-gold);
  background: color-mix(in oklab, var(--color-gold) 15%, transparent);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-dark);
  overflow: hidden;
  background: var(--color-charcoal);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--color-charcoal) 55%, transparent) 0%,
    color-mix(in oklab, var(--color-charcoal) 40%, transparent) 40%,
    color-mix(in oklab, var(--color-charcoal) 92%, transparent) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-24) var(--space-16);
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.hero-eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--color-gold);
}

.hero h1 {
  font-size: var(--text-hero);
  color: var(--color-on-dark);
  max-width: 20ch;
  margin-bottom: var(--space-6);
}

.hero-lede {
  font-size: var(--text-lg);
  color: color-mix(in oklab, var(--color-on-dark) 80%, transparent);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Page (interior) hero — shorter */
.page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-dark);
  overflow: hidden;
  background: var(--color-charcoal);
}

.page-hero .hero-content {
  padding-block: var(--space-20) var(--space-12);
}

.page-hero h1 {
  font-size: var(--text-2xl);
  color: var(--color-on-dark);
  max-width: 24ch;
  margin-bottom: var(--space-4);
}

.page-hero .hero-lede {
  font-size: var(--text-base);
  max-width: 60ch;
  margin-bottom: 0;
}

/* ============ SECTIONS ============ */
section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-tight {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-header {
  max-width: 62ch;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}

.section-header p {
  font-size: var(--text-base);
  margin-top: var(--space-4);
}

.surface-dark {
  background: var(--color-charcoal);
  color: var(--color-on-dark);
}

.surface-dark p {
  color: color-mix(in oklab, var(--color-on-dark) 75%, transparent);
}

.surface-dark h2,
.surface-dark h3,
.surface-dark h4 {
  color: var(--color-on-dark);
}

.surface-dark .split-list li {
  color: color-mix(in oklab, var(--color-on-dark) 88%, transparent);
}

.surface-offset {
  background: var(--color-surface-offset);
}

/* ============ GRIDS & CARDS ============ */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: color-mix(in oklab, var(--color-gold) 40%, var(--color-border));
}

.card .card-index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.card p {
  font-size: var(--text-sm);
}

/* Service group heading strip */
.service-group {
  margin-bottom: var(--space-16);
}

.service-group:last-child {
  margin-bottom: 0;
}

.service-group-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-8);
}

.service-group-header .group-index {
  font-family: var(--font-display);
  color: var(--color-gold);
  font-size: var(--text-sm);
  font-weight: 700;
}

.service-group-header h2 {
  font-size: var(--text-xl);
}

/* ============ STATS ============ */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  border-top: 1px solid color-mix(in oklab, var(--color-on-dark) 15%, transparent);
  padding-top: var(--space-10);
}

.stat-item .stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-2);
}

.stat-item .stat-label {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-on-dark) 70%, transparent);
}

/* ============ SECTORS STRIP ============ */
.sectors-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.sector-chip {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.sector-chip:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.sector-chip .sector-name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-base);
}

.sector-chip .sector-tag {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============ FEATURE / SPLIT LAYOUT ============ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split.split--reverse {
  direction: rtl;
}

.split.split--reverse > * {
  direction: ltr;
}

.split-media img {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.split-media.is-tall img {
  aspect-ratio: 3/4;
}

.split-text h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}

.split-text p + p {
  margin-top: var(--space-4);
}

.split-list {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.split-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.split-list li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--color-gold);
}

/* ============ FULL-BLEED IMAGE ============ */
.full-bleed {
  width: 100%;
  aspect-ratio: 16/6;
  object-fit: cover;
}

.full-bleed-wrap {
  position: relative;
  overflow: hidden;
}

.full-bleed-caption {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  color: #f6f5f2;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: color-mix(in oklab, #000 45%, transparent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
}

/* ============ QUOTE / CALLOUT ============ */
.callout {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-12);
  margin-block: var(--space-4);
}

.callout blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.3;
  color: var(--color-text);
  max-width: 42ch;
}

.callout cite {
  display: block;
  margin-top: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-faint);
}

/* ============ CTA BAND ============ */
.cta-band {
  background: var(--color-charcoal);
  color: var(--color-on-dark);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 60%, color-mix(in oklab, var(--color-gold) 12%, transparent) 100%);
  pointer-events: none;
}

.cta-band h2 {
  color: var(--color-on-dark);
  font-size: var(--text-xl);
  max-width: 28ch;
  position: relative;
}

.cta-band p {
  color: color-mix(in oklab, var(--color-on-dark) 75%, transparent);
  margin-top: var(--space-3);
  max-width: 40ch;
  position: relative;
}

.cta-actions {
  position: relative;
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-on-dark);
  padding-block: var(--space-16) var(--space-8);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid color-mix(in oklab, var(--color-on-dark) 12%, transparent);
}

.footer-brand .brand,
.footer-brand .brand svg {
  color: var(--color-on-dark);
}

.footer-brand .brand {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 34ch;
  color: color-mix(in oklab, var(--color-on-dark) 65%, transparent);
}

.footer-col h4 {
  font-size: var(--text-sm);
  color: var(--color-on-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  font-weight: 600;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-on-dark) 65%, transparent);
  transition: color var(--transition-interactive);
}

.footer-col a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-on-dark) 50%, transparent);
}

.footer-legal {
  display: flex;
  gap: var(--space-5);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-on-dark) 50%, transparent);
}

.footer-legal a:hover {
  color: var(--color-gold);
}

/* ============ FORMS ============ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-field .required {
  color: var(--color-gold);
}

.form-field input,
.form-field textarea,
.form-field select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  min-height: 44px;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-highlight);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  min-height: 1.2em;
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: var(--color-error);
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-8);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-lg);
  background: var(--color-gold-highlight);
}

.form-success[hidden] {
  display: none;
}

.form-success h3 {
  font-size: var(--text-lg);
}

.form-success svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.form-error-banner {
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-error) 12%, var(--color-surface));
  color: var(--color-error);
  font-size: var(--text-sm);
}

.form-error-banner[hidden] {
  display: none;
}

.btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Contact info cards */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info-item svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-gold);
  margin-top: 2px;
}

.contact-info-item h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.contact-info-item p,
.contact-info-item a {
  font-size: var(--text-sm);
}

.contact-info-item a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-info-item a:hover {
  color: var(--color-primary-hover);
}

/* ============ VALUE PROPS (asymmetric) ============ */
.value-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-10);
  align-items: center;
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}

.value-feature:last-child {
  border-bottom: none;
}

.value-feature .value-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-4);
  opacity: 0.85;
}

.value-feature h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.value-feature p {
  font-size: var(--text-base);
}

.value-feature-media img {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

/* ============ TIMELINE / APPROACH LIST ============ */
.approach-list {
  display: flex;
  flex-direction: column;
}

.approach-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.approach-item:first-child {
  border-top: none;
}

.approach-item .approach-index {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
}

.approach-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

/* ============ UTILITIES ============ */
.text-inverse {
  color: var(--color-text-inverse) !important;
}

.mt-0 {
  margin-top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ============ SCROLL REVEAL ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8) var(--space-6);
  }
  .sectors-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    inset: 72px var(--space-4) auto var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6);
    gap: var(--space-6);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-interactive), opacity var(--transition-interactive), visibility var(--transition-interactive);
    z-index: 90;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--space-4);
  }

  .main-nav a {
    display: block;
    padding-block: var(--space-2);
    font-size: var(--text-base);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-actions .btn-outline.nav-cta {
    display: none;
  }

  .split,
  .split.split--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .value-feature {
    grid-template-columns: 1fr;
  }

  .value-feature-media {
    order: -1;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .sectors-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .approach-item {
    grid-template-columns: 56px 1fr;
  }
  .hero h1 {
    max-width: none;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}