/* ============================================================
   Avalaine Solutions — design tokens + components
   Palette: warm paper surfaces, ink text, copper accent
   Type: Cabinet Grotesk (display) + Satoshi (body)
   ============================================================ */

:root {
  --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);

  --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-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f4f1eb;
  --color-surface: #faf8f4;
  --color-surface-2: #fdfcfa;
  --color-surface-offset: #ece8e0;
  --color-surface-offset-2: #e3ded4;
  --color-divider: #dcd6cb;
  --color-border: oklch(from #1b1f24 l c h / 0.12);

  --color-text: #1b1f24;
  --color-text-muted: #5f6368;
  --color-text-faint: #9a9ea3;
  --color-text-inverse: #f7f4ee;

  --color-ink: #1b1f24;
  --color-ink-2: #262b31;
  --color-ink-text: #e8e4dc;
  --color-ink-muted: #a9ada8;

  --color-primary: #b4501b;
  --color-primary-hover: #943f13;
  --color-primary-active: #70300f;
  --color-primary-highlight: #f1dccd;

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 60 / 0.06);
  --shadow-md: 0 4px 14px oklch(0.25 0.02 60 / 0.09);
  --shadow-lg: 0 14px 36px oklch(0.25 0.02 60 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #15171a;
  --color-surface: #1b1e22;
  --color-surface-2: #212529;
  --color-surface-offset: #24282d;
  --color-surface-offset-2: #2b3036;
  --color-divider: #2c3036;
  --color-border: oklch(from #e8e4dc l c h / 0.12);

  --color-text: #e6e2da;
  --color-text-muted: #a4a7a5;
  --color-text-faint: #6b6f6d;
  --color-text-inverse: #1b1f24;

  --color-ink: #0f1113;
  --color-ink-2: #15171a;
  --color-ink-text: #e6e2da;
  --color-ink-muted: #a4a7a5;

  --color-primary: #e0803f;
  --color-primary-hover: #ef955a;
  --color-primary-active: #c86a2d;
  --color-primary-highlight: #3b2a1f;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #15171a;
    --color-surface: #1b1e22;
    --color-surface-2: #212529;
    --color-surface-offset: #24282d;
    --color-surface-offset-2: #2b3036;
    --color-divider: #2c3036;
    --color-border: oklch(from #e8e4dc l c h / 0.12);
    --color-text: #e6e2da;
    --color-text-muted: #a4a7a5;
    --color-text-faint: #6b6f6d;
    --color-text-inverse: #1b1f24;
    --color-ink: #0f1113;
    --color-ink-2: #15171a;
    --color-ink-text: #e6e2da;
    --color-ink-muted: #a4a7a5;
    --color-primary: #e0803f;
    --color-primary-hover: #ef955a;
    --color-primary-active: #c86a2d;
    --color-primary-highlight: #3b2a1f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.5);
  }
}

/* ---------- Layout primitives ---------- */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.container--default {
  max-width: var(--content-default);
}
.container--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}
.section--ink {
  background: var(--color-ink);
  color: var(--color-ink-text);
}
.section--ink .eyebrow {
  color: var(--color-primary);
}
.section--ink .muted,
.section--ink p {
  color: var(--color-ink-muted);
}
.section--ink h2,
.section--ink h3,
.section--ink strong {
  color: var(--color-ink-text);
}
.section--offset {
  background: var(--color-surface-offset);
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ---------- Type ---------- */

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.02;
}
h1.display {
  font-size: var(--text-3xl);
}
h2.display,
.display--xl {
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  line-height: 1.06;
}
.title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  letter-spacing: -0.015em;
}
.heading {
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: var(--radius-full);
}
.lede {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.45;
  color: var(--color-text-muted);
  max-width: 56ch;
}
.muted {
  color: var(--color-text-muted);
}
.small {
  font-size: var(--text-sm);
}
.tiny {
  font-size: var(--text-xs);
}
.tabular {
  font-variant-numeric: tabular-nums;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}
.btn:hover svg {
  transform: translateX(3px);
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--primary:active {
  background: var(--color-primary-active);
}
.btn--ghost {
  color: var(--color-text);
  border-color: var(--color-border);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--color-surface-offset);
}
.section--ink .btn--ghost {
  color: var(--color-ink-text);
  border-color: oklch(from #e8e4dc l c h / 0.2);
}
.section--ink .btn--ghost:hover {
  background: oklch(from #e8e4dc l c h / 0.08);
}
.btn--link {
  padding-inline: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.btn--link:hover {
  color: var(--color-primary-hover);
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}
.header--scrolled {
  border-color: var(--color-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand__mark {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand__name span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--color-text);
}
.nav a[aria-current='page'] {
  font-weight: 700;
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.nav-toggle,
.nav__cta {
  display: none;
}
.header .btn--primary {
  min-height: 40px;
  padding-block: var(--space-2);
}

@media (width < 900px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-12)) var(--space-6);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open {
    display: flex;
  }
  .nav a {
    min-height: 48px;
    font-size: var(--text-base);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav__cta.btn {
    display: inline-flex;
    margin-top: var(--space-4);
    color: #fff;
    font-size: var(--text-sm);
    min-height: 48px;
  }
  .nav__cta.btn:hover {
    color: #fff;
  }
  .header .btn--primary {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-20));
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
}
.hero h1 {
  max-width: 14ch;
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero .lede {
  margin-bottom: var(--space-8);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__aside {
  display: grid;
  gap: var(--space-4);
}
.hero__aside dl {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.hero__aside dt {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.hero__aside dd {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-top: var(--space-1);
}
.hero__media {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  background: var(--color-surface-offset);
  box-shadow: var(--shadow-lg);
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (width < 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__media {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
  }
}

/* ---------- Vertical strip ---------- */

.strip {
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-5);
}
.strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-8);
}
.strip__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.strip ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
}
.strip li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.strip li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

/* ---------- Section header ---------- */

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-6) var(--space-12);
  align-items: end;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head p {
  color: var(--color-text-muted);
}
@media (width < 800px) {
  .section-head {
    grid-template-columns: 1fr;
  }
}

/* ---------- Solutions grid (asymmetric) ---------- */

.solutions {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-5);
}
.sol {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    border-color var(--transition-interactive);
}
.sol:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: oklch(from var(--color-primary) l c h / 0.4);
}
.sol__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-8);
}
.sol h3 {
  margin-bottom: var(--space-3);
}
.sol p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.sol ul {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.sol li {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.sol__cta {
  margin-top: auto;
  padding-top: var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}
.sol__cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}
.sol:hover .sol__cta svg {
  transform: translateX(3px);
}
.sol--feature {
  grid-column: span 7;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  padding: 0;
}
.sol--feature .sol__body {
  display: flex;
  flex-direction: column;
  padding: clamp(var(--space-6), 3vw, var(--space-10));
}
.sol--feature .sol__media {
  min-height: 280px;
  background: var(--color-surface-offset);
}
.sol--feature .sol__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sol--side {
  grid-column: span 5;
}
.sol--half {
  grid-column: span 6;
}
@media (width < 1000px) {
  .sol--feature,
  .sol--side,
  .sol--half {
    grid-column: span 12;
  }
}
@media (width < 640px) {
  .sol--feature {
    grid-template-columns: 1fr;
  }
  .sol--feature .sol__media {
    min-height: 200px;
    order: -1;
  }
}

/* ---------- Process (numbered narrative) ---------- */

.process {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 6vw, var(--space-24));
}
.process__sticky {
  position: sticky;
  top: calc(72px + var(--space-8));
  align-self: start;
}
.process__sticky .lede {
  margin-top: var(--space-5);
}
.steps {
  display: grid;
}
.step {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: clamp(var(--space-6), 3vw, var(--space-10));
  border-top: 1px solid oklch(from #e8e4dc l c h / 0.14);
}
.step:last-child {
  border-bottom: 1px solid oklch(from #e8e4dc l c h / 0.14);
}
.step__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}
.step h3 {
  margin-bottom: var(--space-2);
}
@media (width < 900px) {
  .process {
    grid-template-columns: 1fr;
  }
  .process__sticky {
    position: static;
  }
  .step {
    grid-template-columns: 48px minmax(0, 1fr);
  }
}

/* ---------- Why (two-column list + image) ---------- */

.why {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.why__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-surface-offset);
  box-shadow: var(--shadow-md);
}
.why__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.why__media figcaption {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: #f7f4ee;
  background: oklch(0.2 0.01 60 / 0.72);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
}
.why__list {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.why__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: var(--space-4);
}
.why__item svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  margin-top: 2px;
}
.why__item h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.why__item p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
@media (width < 900px) {
  .why {
    grid-template-columns: 1fr;
  }
  .why__media {
    aspect-ratio: 4 / 3;
    order: -1;
  }
}

/* ---------- Full-bleed image band ---------- */

.band {
  position: relative;
  min-height: clamp(360px, 55vh, 620px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--color-ink);
  color: #f7f4ee;
}
.band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  opacity: 0.85;
}
.band::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(0.15 0.01 60 / 0.9), oklch(0.15 0.01 60 / 0.1) 60%, transparent);
}
.band__content {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-8);
  align-items: end;
}
.band blockquote {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  letter-spacing: -0.015em;
  line-height: 1.2;
  max-width: 24ch;
}
.band p {
  color: oklch(from #f7f4ee l c h / 0.8);
  font-size: var(--text-sm);
}
@media (width < 800px) {
  .band__content {
    grid-template-columns: 1fr;
  }
}

/* ---------- CTA ---------- */

.cta {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-8);
  align-items: center;
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.cta h2 {
  margin-bottom: var(--space-3);
}
.cta p {
  color: var(--color-text-muted);
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-end;
}
@media (width < 800px) {
  .cta {
    grid-template-columns: 1fr;
  }
  .cta__actions {
    justify-content: flex-start;
  }
}

/* ---------- Footer ---------- */

.footer {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr));
  gap: var(--space-10) var(--space-8);
}
.footer__brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
}
.footer h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer ul {
  display: grid;
  gap: var(--space-2);
}
.footer li a,
.footer address a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer li a:hover,
.footer address a:hover {
  color: var(--color-primary);
}
.footer address {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text);
  display: grid;
  gap: var(--space-2);
}
.footer__bottom {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
@media (width < 900px) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer__brand {
    grid-column: span 2;
  }
}

/* ---------- Interior page header ---------- */

.page-head {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-8), 4vw, var(--space-12));
}
.page-head h1 {
  font-size: var(--text-2xl);
  max-width: 18ch;
  margin-bottom: var(--space-5);
}

/* ---------- Solutions page: detail rows ---------- */

.detail {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid var(--color-border);
}
.detail:nth-of-type(even) .detail__media {
  order: 2;
}
.detail__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-offset);
  aspect-ratio: 4 / 3;
  align-self: start;
  position: sticky;
  top: calc(72px + var(--space-8));
}
.detail__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail h2 {
  margin-bottom: var(--space-4);
}
.detail > div > p {
  color: var(--color-text-muted);
}
.detail__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}
.detail__cols h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.detail__cols ul {
  display: grid;
  gap: var(--space-2);
}
.detail__cols li {
  font-size: var(--text-sm);
  padding-left: var(--space-4);
  position: relative;
}
.detail__cols li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}
@media (width < 900px) {
  .detail {
    grid-template-columns: 1fr;
  }
  .detail:nth-of-type(even) .detail__media {
    order: 0;
  }
  .detail__media {
    position: static;
  }
}
@media (width < 560px) {
  .detail__cols {
    grid-template-columns: 1fr;
  }
}

/* ---------- Engagement models ---------- */

.models {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}
.model {
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.model--accent {
  background: var(--color-ink);
  color: var(--color-ink-text);
  border-color: transparent;
}
.model--accent p {
  color: var(--color-ink-muted);
}
.model h3 {
  margin-bottom: var(--space-3);
}
.model p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.model__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
@media (width < 900px) {
  .models {
    grid-template-columns: 1fr;
  }
}

/* ---------- About page ---------- */

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
}
.about-intro .prose {
  max-width: 62ch;
}
.prose p + p {
  margin-top: var(--space-5);
}
.facts {
  display: grid;
  gap: var(--space-5);
  align-self: start;
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.facts dt {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.facts dd {
  font-size: var(--text-base);
  font-weight: 500;
  margin-top: var(--space-1);
}
@media (width < 900px) {
  .about-intro {
    grid-template-columns: 1fr;
  }
}
.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8) var(--space-12);
}
.principle {
  padding-top: var(--space-5);
  border-top: 1px solid oklch(from #e8e4dc l c h / 0.14);
}
.principle h3 {
  margin-bottom: var(--space-2);
}
.principle p {
  font-size: var(--text-sm);
}
@media (width < 700px) {
  .principles {
    grid-template-columns: 1fr;
  }
}

/* ---------- Contact page ---------- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.contact__aside {
  display: grid;
  gap: var(--space-8);
}
.contact__aside h2 {
  margin-bottom: var(--space-3);
}
.contact__aside p {
  color: var(--color-text-muted);
}
.contact__direct {
  display: grid;
  gap: var(--space-4);
}
.contact__direct div {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.contact__direct dt {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.contact__direct dd {
  margin-top: var(--space-1);
  font-size: var(--text-base);
}
.contact__direct a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}
.contact__direct a:hover {
  color: var(--color-primary);
}

.form {
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: grid;
  gap: var(--space-5);
}
.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}
.field {
  display: grid;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 700;
}
.field label span {
  font-weight: 400;
  color: var(--color-text-muted);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}
.field textarea {
  min-height: 140px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.2);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a7974' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}
.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-2);
}
.form__foot p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 40ch;
}
.form__status {
  display: none;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.form__status.is-visible {
  display: block;
  animation: fade-up 0.5s var(--ease-out) both;
}
@media (width < 900px) {
  .contact {
    grid-template-columns: 1fr;
  }
}
@media (width < 600px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reveal ---------- */

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}