/* ============ TOKENS ============ */
: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);

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

  --font-display: 'Zodiak', Georgia, serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f5f3ed;
  --color-surface: #faf8f3;
  --color-surface-2: #efece4;
  --color-divider: #e0dcd1;
  --color-border: #d2cec2;

  --color-text: #212622;
  --color-text-muted: #676e68;
  --color-text-faint: #a7aca5;
  --color-text-inverse: #f7f5ef;

  --color-primary: #1e4b44;
  --color-primary-hover: #163a35;
  --color-primary-active: #102b27;
  --color-primary-highlight: #dde6df;

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 160 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 160 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 160 / 0.12);

  --hero-scrim: linear-gradient(
    to right,
    oklch(0.22 0.02 170 / 0.82) 0%,
    oklch(0.22 0.02 170 / 0.55) 46%,
    oklch(0.22 0.02 170 / 0.18) 100%
  );
}

[data-theme='dark'] {
  --color-bg: #131714;
  --color-surface: #181d19;
  --color-surface-2: #1e2420;
  --color-divider: #262c27;
  --color-border: #39403a;

  --color-text: #d2d5cf;
  --color-text-muted: #8b918a;
  --color-text-faint: #5c625b;
  --color-text-inverse: #1a1f1b;

  --color-primary: #7aa89c;
  --color-primary-hover: #92bbb0;
  --color-primary-active: #5e8d81;
  --color-primary-highlight: #223029;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);

  --hero-scrim: linear-gradient(
    to right,
    oklch(0.15 0.02 170 / 0.88) 0%,
    oklch(0.15 0.02 170 / 0.62) 46%,
    oklch(0.15 0.02 170 / 0.25) 100%
  );
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #131714;
    --color-surface: #181d19;
    --color-surface-2: #1e2420;
    --color-divider: #262c27;
    --color-border: #39403a;
    --color-text: #d2d5cf;
    --color-text-muted: #8b918a;
    --color-text-faint: #5c625b;
    --color-text-inverse: #1a1f1b;
    --color-primary: #7aa89c;
    --color-primary-hover: #92bbb0;
    --color-primary-active: #5e8d81;
    --color-primary-highlight: #223029;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
    --hero-scrim: linear-gradient(
      to right,
      oklch(0.15 0.02 170 / 0.88) 0%,
      oklch(0.15 0.02 170 / 0.62) 46%,
      oklch(0.15 0.02 170 / 0.25) 100%
    );
  }
}

/* ============ LAYOUT PRIMITIVES ============ */
.container {
  width: min(var(--content-wide), 100% - clamp(var(--space-8), 6vw, var(--space-16)));
  margin-inline: auto;
}
.container--narrow {
  width: min(var(--content-default), 100% - clamp(var(--space-8), 6vw, var(--space-16)));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: none;
}

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.4);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.1;
  white-space: nowrap;
}
.brand__name small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav a:hover {
  color: var(--color-text);
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--ghost {
  border: 1px solid oklch(from var(--color-text-inverse) l c h / 0.45);
  color: var(--color-text-inverse);
}
.btn--ghost:hover {
  background: oklch(from var(--color-text-inverse) l c h / 0.12);
  border-color: oklch(from var(--color-text-inverse) l c h / 0.7);
}
.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

@media (max-width: 760px) {
  .nav {
    display: none;
  }
  .brand__name {
    font-size: 1rem;
  }
  .btn--primary.header__cta {
    padding-inline: var(--space-4);
  }
}
@media (max-width: 400px) {
  .header__cta {
    display: none;
  }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  color: var(--color-text-inverse);
}
[data-theme='dark'] .hero {
  color: #e8ebe6;
}
.hero__media,
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--hero-scrim);
}
.hero__content {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  max-width: 44rem;
}
.hero__kicker {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: var(--space-5);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-3xl);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.hero__sub {
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 36rem;
  opacity: 0.92;
  margin-bottom: var(--space-8);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ============ INTRO ============ */
.intro {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.intro__grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: start;
}
.intro h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.intro p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.intro p strong {
  color: var(--color-text);
  font-weight: 500;
}
.facts {
  display: grid;
  gap: var(--space-1);
}
.fact {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-4);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.5);
}
.fact:first-child {
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.5);
}
.fact dt {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.fact dd {
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* ============ SECTION HEADINGS ============ */
.section-head {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
  max-width: 40rem;
}
.section-head .kicker {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.1;
}
.section-head p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

/* ============ SERVICES ============ */
.services {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-block: 1px solid oklch(from var(--color-border) l c h / 0.35);
}
.service {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(var(--space-6), 4vw, var(--space-16));
  padding-block: clamp(var(--space-8), 4vw, var(--space-12));
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.5);
}
.service:last-of-type {
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.5);
}
.service__index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.service h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.15;
  max-width: 18ch;
}
.service__body > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.service__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-8);
}
.service__list li {
  display: grid;
  gap: var(--space-1);
  padding-left: var(--space-4);
  border-left: 1px solid oklch(from var(--color-border) l c h / 0.7);
}
.service__list b {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.service__list span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.services__more {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(var(--space-6), 4vw, var(--space-16));
}
.services__more h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chips li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border: 1px solid oklch(from var(--color-border) l c h / 0.7);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
}

@media (max-width: 820px) {
  .service,
  .services__more,
  .intro__grid {
    grid-template-columns: 1fr;
  }
  .service__list {
    grid-template-columns: 1fr;
  }
}

/* ============ FEATURE / QUOTE ============ */
.feature {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: center;
}
.feature__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.feature__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature blockquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.3;
  margin-bottom: var(--space-6);
}
.feature blockquote em {
  font-style: italic;
  color: var(--color-primary);
}
.feature p {
  color: var(--color-text-muted);
}
@media (max-width: 820px) {
  .feature__grid {
    grid-template-columns: 1fr;
  }
}

/* ============ APPROACH ============ */
.approach {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .approach {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.approach .section-head .kicker {
  color: oklch(from var(--color-text-inverse) l c h / 0.7);
}
[data-theme='dark'] .approach .section-head .kicker {
  color: var(--color-primary);
}
.approach__steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(var(--space-6), 3vw, var(--space-10));
}
.step {
  padding-top: var(--space-5);
  border-top: 1px solid oklch(from currentColor l c h / 0.25);
}
.step__num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  opacity: 0.6;
  display: block;
  margin-bottom: var(--space-3);
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.step p {
  font-size: var(--text-sm);
  line-height: 1.6;
  opacity: 0.82;
}
@media (max-width: 960px) {
  .approach__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .approach__steps {
    grid-template-columns: 1fr;
  }
}

/* ============ SECTORS ============ */
.sectors {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.sectors__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-5);
}
.sector {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-border) l c h / 0.45);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
}
.sector--wide {
  grid-column: span 7;
}
.sector--narrow {
  grid-column: span 5;
}
.sector h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.sector p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 820px) {
  .sector--wide,
  .sector--narrow {
    grid-column: span 12;
  }
}

/* ============ CONTACT ============ */
.contact {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.35);
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}
.contact h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}
.contact__lede {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}
.contact__email {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid oklch(from var(--color-primary) l c h / 0.4);
  padding-bottom: 2px;
}
.contact__email:hover {
  color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.contact__details {
  display: grid;
  gap: var(--space-6);
  align-content: start;
}
.contact__details h3 {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.contact__details p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 820px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

/* ============ FOOTER ============ */
.footer {
  padding-block: var(--space-10);
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.4);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============ REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}