/* ==========================================================================
   The Wisdom Method™ Institute — Design Tokens & Components
   Art direction: quiet, serious, research-grade. Academic institute meets
   modern tech lab. Ink/charcoal + warm off-white, single muted teal accent.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces — warm off-white "paper" tones */
  --color-bg: #f6f3ec;
  --color-surface: #fbf9f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eee9dd;
  --color-surface-offset-2: #e6e0d2;
  --color-surface-dynamic: #ddd6c4;
  --color-divider: #ddd7c8;
  --color-border: #cfc7b3;

  /* Text — ink / charcoal */
  --color-text: #211f1a;
  --color-text-muted: #6b6558;
  --color-text-faint: #a39c8a;
  --color-text-inverse: #f6f3ec;

  /* Primary accent — muted teal (research/data) */
  --color-primary: #2f5f5c;
  --color-primary-hover: #234745;
  --color-primary-active: #1a3534;
  --color-primary-highlight: #d7e2df;

  /* Secondary accent — clay/ochre (used sparingly, protocol marks) */
  --color-clay: #a3623a;
  --color-clay-hover: #814c2c;
  --color-clay-active: #623a21;
  --color-clay-highlight: #ecdccb;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.4rem;
  --radius-lg: 0.65rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  /* Shadows — warm-toned, low contrast (research paper, not glossy) */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.06);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 80 / 0.08);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 80 / 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1220px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-body: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;
}

[data-theme='dark'] {
  --color-bg: #16150f;
  --color-surface: #1c1a15;
  --color-surface-2: #211f19;
  --color-surface-offset: #232019;
  --color-surface-offset-2: #2b271e;
  --color-surface-dynamic: #34301f;
  --color-divider: #322e24;
  --color-border: #423d2f;

  --color-text: #ede8dc;
  --color-text-muted: #a49c8a;
  --color-text-faint: #6c6555;
  --color-text-inverse: #16150f;

  --color-primary: #6ba6a1;
  --color-primary-hover: #8dbdb8;
  --color-primary-active: #a6cbc7;
  --color-primary-highlight: #263836;

  --color-clay: #d08a5b;
  --color-clay-hover: #dfa079;
  --color-clay-active: #e8b492;
  --color-clay-highlight: #3a2e22;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

/* ==========================================================================
   Type Scale
   ========================================================================== */
:root {
  --text-xs: clamp(0.75rem, 0.71rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.15rem + 1.2vw, 2rem);
  --text-2xl: clamp(1.9rem, 1.35rem + 2.4vw, 3.25rem);
  --text-3xl: clamp(2.4rem, 1.3rem + 3.6vw, 4.5rem);
  --text-hero: clamp(2.8rem, 1rem + 5.5vw, 6.5rem);
}

/* ==========================================================================
   Spacing
   ========================================================================== */
:root {
  --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;
}

/* ==========================================================================
   Global Typography
   ========================================================================== */
h1, h2, h3, .font-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
}

em, .italic-serif {
  font-family: var(--font-display);
  font-style: italic;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
}

/* ==========================================================================
   Layout Helpers
   ========================================================================== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}
.section--offset {
  background: var(--color-surface-offset);
}
.section--ink {
  background: var(--color-text);
  color: var(--color-text-inverse);
}
.section--ink .eyebrow {
  color: var(--color-primary-highlight, #9fc0bd);
}

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

/* ==========================================================================
   Skip Link
   ========================================================================== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 200;
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.skip-link:focus {
  left: var(--space-4);
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.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);
  color: var(--color-text);
  text-decoration: none;
}
.brand__mark {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.brand__name small {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__list {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
}
.nav__link:hover {
  color: var(--color-text);
}
.nav__link[aria-current='page'] {
  color: var(--color-text);
}
.nav__link[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.24);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  min-height: 44px;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-text);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary);
}
.btn--outline {
  background: transparent;
  border-color: oklch(from var(--color-text) l c h / 0.28);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.04);
}
.btn--inverse {
  background: var(--color-text-inverse);
  color: var(--color-text);
}
.btn--inverse:hover {
  background: var(--color-primary-highlight);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.28);
  padding-bottom: 2px;
}
.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-interactive);
}
.link-arrow:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.link-arrow:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32)) clamp(var(--space-12), 8vw, var(--space-24));
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.hero__eyebrow {
  margin-bottom: var(--space-5);
}
.hero h1 {
  font-size: var(--text-hero);
  line-height: 1.03;
  max-width: 15ch;
}
.hero h1 em {
  color: var(--color-primary);
}
.hero__mission {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 42ch;
}
.hero__actions {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Founder intro strip (home)
   ========================================================================== */
.founder-strip {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
.founder-strip__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.founder-strip__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.32;
  color: var(--color-text);
}
.founder-strip__meta {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.founder-strip__name {
  font-weight: 600;
  font-size: var(--text-base);
}
.founder-strip__role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Section headers
   ========================================================================== */
.section-head {
  max-width: 56ch;
  margin-bottom: clamp(var(--space-10), 6vw, var(--space-16));
}
.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-3);
}
.section-head--wide {
  max-width: 70ch;
}

/* ==========================================================================
   Pillars / capacities list (home)
   ========================================================================== */
.capacities {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--color-divider);
}
.capacities__item {
  padding: var(--space-6) var(--space-4);
  border-right: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.capacities__item:last-child {
  border-right: none;
}
.capacities__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: block;
  margin-bottom: var(--space-3);
}
.capacities__label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
}

/* ==========================================================================
   Approach two-column (home)
   ========================================================================== */
.approach {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
.approach__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.approach__row {
  display: flex;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
.approach__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.approach__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-clay);
  padding-top: 3px;
  min-width: 3ch;
}
.approach__row h3 {
  font-size: var(--text-lg);
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.approach__row p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ==========================================================================
   Full-bleed divider image
   ========================================================================== */
.divider {
  position: relative;
  overflow: hidden;
}
.divider img {
  width: 100%;
  height: clamp(220px, 32vw, 420px);
  object-fit: cover;
}
.divider__caption {
  position: absolute;
  bottom: var(--space-6);
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
}
.divider__caption span {
  font-size: var(--text-sm);
  color: var(--color-text-inverse);
  background: oklch(0.15 0.02 80 / 0.35);
  backdrop-filter: blur(6px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Protocol Cards (What We Build)
   ========================================================================== */
.protocols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-6), 4vw, var(--space-10));
}
.protocol-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  display: flex;
  flex-direction: column;
}
.protocol-card__figure {
  border-radius: calc(var(--radius-lg) - var(--space-3));
  overflow: hidden;
  margin-bottom: var(--space-6);
  background: var(--color-surface-offset);
}
.protocols--single {
  grid-template-columns: 1fr;
}
.protocol-card--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-6), 4vw, var(--space-10));
  align-items: start;
}
.protocol-card--reverse {
  grid-template-areas: none;
}
.protocol-card__figure--split {
  margin-bottom: 0;
}
.protocol-card__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.protocol-card__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.35);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}
.protocol-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.protocol-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.protocol-card__list {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.protocol-card__list li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-5);
  position: relative;
}
.protocol-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-clay);
}
.protocol-card__footer {
  margin-top: auto;
  padding-top: var(--space-6);
}

/* ==========================================================================
   Program catalog (Programs page)
   ========================================================================== */
.program-category {
  margin-bottom: clamp(var(--space-12), 8vw, var(--space-20));
}
.program-category:last-child {
  margin-bottom: 0;
}
.program-category__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.program-category__head h2 {
  font-size: var(--text-lg);
  margin-top: var(--space-2);
}
.program-category__note {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 32ch;
}
.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: var(--space-6);
}
.program-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}
.program-card__eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.program-card__hours {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.program-card h3 {
  font-size: var(--text-base);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}
.program-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  flex: 1;
  margin-bottom: 0;
}
.program-card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.program-card__footer .link-arrow {
  font-size: var(--text-sm);
}

/* ==========================================================================
   Applied research blurb
   ========================================================================== */
.applied-research {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
.applied-research__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.applied-research h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   Timeline (About)
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: clamp(var(--space-6), 4vw, var(--space-10));
  border-left: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}
.timeline__item {
  position: relative;
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(var(--space-6), 4vw, var(--space-10)) - 5px);
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}
.timeline__year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: var(--space-2);
}
.timeline__item h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.timeline__item p {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Founder note (About)
   ========================================================================== */
.founder-note {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
.founder-note__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
}
.founder-note__credentials {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
}
.founder-note__credentials dt {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.founder-note__credentials dd {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}
.founder-note__body p {
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
}
.founder-note__body p:first-of-type {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-family: var(--font-display);
}

/* ==========================================================================
   Recognition callout
   ========================================================================== */
.recognition {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}
.recognition__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--color-clay);
}
.recognition h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.recognition p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.recognition a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-primary) l c h / 0.4);
}

/* ==========================================================================
   Delivery list (About / What We Build)
   ========================================================================== */
.delivery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.delivery--three {
  grid-template-columns: repeat(3, 1fr);
}
.delivery__item {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.delivery__item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.delivery__item p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-hero {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface-offset);
}
.contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}
.contact-hero__content {
  position: relative;
  padding: clamp(var(--space-10), 8vw, var(--space-24)) clamp(var(--space-6), 6vw, var(--space-16));
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
.contact-card {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-divider);
}
.contact-card:first-child {
  border-top: none;
  padding-top: 0;
}
.contact-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.contact-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}
.contact-card a.link-arrow {
  font-size: var(--text-base);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer__mark {
  width: 26px;
  height: 26px;
  color: var(--color-text-muted);
}
.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 32ch;
  margin-top: var(--space-2);
}
.footer__links {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}
.footer__col h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-2);
}
.footer__col a:hover {
  color: var(--color-text);
}
.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ==========================================================================
   Page hero (interior pages)
   ========================================================================== */
.page-hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) clamp(var(--space-10), 6vw, var(--space-16));
}
.page-hero h1 {
  font-size: var(--text-2xl);
  max-width: 22ch;
  margin-top: var(--space-4);
}
.page-hero .lede {
  margin-top: var(--space-5);
}

/* ==========================================================================
   Scroll Reveal
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  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);
}

/* ==========================================================================
   Mobile Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .capacities {
    grid-template-columns: repeat(2, 1fr);
  }
  .capacities__item:nth-child(2n) {
    border-right: none;
  }
  .delivery,
  .delivery--three {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav__list {
    display: none;
  }
  .nav__toggle {
    display: inline-flex;
  }
  .nav--open .nav__list {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-12));
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
  }
  .nav--open .nav__link {
    width: 100%;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav--open .nav__link:last-child {
    border-bottom: none;
  }
  .nav--open .nav__link[aria-current='page']::after {
    display: none;
  }
  .nav--open .nav__link[aria-current='page'] {
    color: var(--color-primary);
    font-weight: 600;
  }

  .hero__grid,
  .founder-strip,
  .approach,
  .protocols,
  .protocol-card--split,
  .applied-research,
  .founder-note,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero__visual,
  .protocol-card--split .protocol-card__figure--split {
    order: -1;
  }
  .founder-strip__figure {
    max-width: 260px;
  }
  .capacities {
    grid-template-columns: 1fr 1fr;
  }
  .delivery,
  .delivery--three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .capacities {
    grid-template-columns: 1fr;
  }
  .capacities__item {
    border-right: none;
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .footer__inner {
    flex-direction: column;
  }
  .footer__links {
    gap: var(--space-6);
  }
}