/* ------------------------------------------------------------------
   Header / Footer / Components
   ------------------------------------------------------------------ */

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
}
.site-header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: clamp(64px, 8vh, 80px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.brand img {
  height: 36px;
  width: auto;
}
.brand .brand-tagline {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-left: 1px solid var(--color-divider);
  padding-left: var(--space-3);
  display: none;
}
@media (min-width: 1280px) {
  .brand .brand-tagline { display: inline-block; max-width: 26ch; line-height: 1.35; font-size: 10px; letter-spacing: 0.14em; }
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
  font-size: var(--text-sm);
  flex-wrap: nowrap;
}
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding-block: var(--space-1);
  white-space: nowrap;
}
.nav a:hover { color: var(--color-text); }
.nav a.is-current {
  color: var(--color-text);
}
.nav a.is-current::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
.header-cta {
  display: none;
  padding: 0.6rem 1rem;
  font-size: 13px;
}
@media (min-width: 900px) {
  .nav { display: inline-flex; }
  .header-cta { display: inline-flex; }
}
@media (min-width: 900px) and (max-width: 1180px) {
  .nav { gap: var(--space-4); font-size: 13px; }
  .header-cta { padding: 0.5rem 0.85rem; font-size: 12px; }
}

/* Mobile nav */
.mobile-toggle {
  margin-left: auto;
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.mobile-toggle:hover { background: var(--color-surface-offset); }
@media (min-width: 900px) { .mobile-toggle { display: none; } }

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--aptos-obsidian);
  color: var(--aptos-cream);
  padding: var(--space-12) var(--gutter);
  z-index: 80;
  transform: translateY(-110%);
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav__close {
  position: absolute;
  top: 18px; right: 18px;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(232,216,184,0.20);
  color: var(--aptos-cream);
}
.mobile-nav ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-12);
}
.mobile-nav a {
  display: block;
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(232,216,184,0.10);
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.01em;
  color: var(--aptos-cream);
  text-decoration: none;
}
.mobile-nav a:hover { color: var(--aptos-copper); }
.mobile-nav .meta {
  margin-top: var(--space-12);
  display: grid;
  gap: var(--space-2);
  color: rgba(232,216,184,0.7);
  font-size: var(--text-sm);
}

/* FOOTER */
.site-footer {
  background: var(--aptos-obsidian);
  color: var(--aptos-cream);
  padding-block: var(--space-20) var(--space-10);
  margin-top: var(--space-24);
}
.site-footer .container { max-width: var(--content-wide); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-10);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  color: var(--aptos-champagne);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.footer-grid ul { list-style: none; display: grid; gap: var(--space-2); }
.footer-grid a {
  color: rgba(232,216,184,0.75);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer-grid a:hover { color: var(--aptos-cream); }
.footer-brand img { height: 40px; width: auto; margin-bottom: var(--space-4); }
.footer-tagline {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: rgba(232,216,184,0.85);
  font-style: italic;
  letter-spacing: 0.005em;
  max-width: 36ch;
}
.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(232,216,184,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: rgba(232,216,184,0.55);
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 700px at 80% -20%, rgba(180,106,60,0.18), transparent 60%),
    radial-gradient(900px 600px at 0% 110%, rgba(23,94,100,0.35), transparent 55%),
    var(--aptos-obsidian);
  color: var(--aptos-cream);
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232,216,184,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 0.98;
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--aptos-cream);
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: italic;
  color: var(--aptos-champagne);
  font-weight: 400;
}
.hero .lead {
  color: rgba(232,216,184,0.80);
  font-size: var(--text-lg);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Page hero (interior) */
.page-hero {
  position: relative;
  padding-block: clamp(var(--space-20), 11vw, var(--space-24));
  background:
    radial-gradient(900px 500px at 90% -20%, rgba(180,106,60,0.14), transparent 60%),
    var(--aptos-obsidian);
  color: var(--aptos-cream);
  overflow: hidden;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.02;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--aptos-cream);
  max-width: 18ch;
  margin-block: var(--space-4) var(--space-6);
}
.page-hero .lead {
  color: rgba(232,216,184,0.85);
  font-size: var(--text-lg);
  max-width: 60ch;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--aptos-deep-teal) 35%, transparent));
  pointer-events: none;
}

/* Crumb */
.crumb {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(232,216,184,0.55);
  display: inline-flex;
  gap: var(--space-2);
}
.crumb a { color: rgba(232,216,184,0.55); text-decoration: none; }
.crumb a:hover { color: var(--aptos-champagne); }

/* Service cards (numbered) */
.service-card {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-interactive);
}
.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.service-card__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-accent);
  line-height: 1;
  font-weight: 400;
}
.service-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}
.service-card ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.service-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}
.service-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.65em;
  width: 8px; height: 1px;
  background: var(--color-accent);
}
.service-card .btn--ghost {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Numbered list */
.steps {
  list-style: none;
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}
.steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-accent);
  font-size: var(--text-lg);
}
.steps h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Quote/callout */
.callout {
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface-offset);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.callout p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  max-width: 60ch;
}

/* Stat row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-block: 1px solid var(--color-divider);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
@media (max-width: 1050px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .proof-grid { grid-template-columns: 1fr; }
}
.proof-card {
  min-height: 220px;
  padding: clamp(var(--space-6), 2vw, var(--space-8));
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(248,244,234,0.98), rgba(232,216,184,0.64)),
    radial-gradient(420px 260px at 100% 0%, rgba(180,106,60,0.18), transparent 60%);
  border: 1px solid rgba(20,20,20,0.12);
  box-shadow: var(--shadow-sm);
  display: grid;
  align-content: space-between;
  gap: var(--space-5);
}
[data-theme='dark'] .proof-card {
  background:
    linear-gradient(160deg, rgba(34,34,34,0.98), rgba(14,63,69,0.64)),
    radial-gradient(420px 260px at 100% 0%, rgba(180,106,60,0.18), transparent 60%);
  border-color: rgba(232,216,184,0.14);
}
.proof-card__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 4.6rem);
  line-height: 0.88;
  color: var(--color-primary);
  letter-spacing: -0.04em;
}
.proof-card__label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 600;
}
.proof-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.proof-card a,
.source-note a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.source-note {
  margin-top: var(--space-4);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 980px) {
  .use-case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .use-case-grid { grid-template-columns: 1fr; }
}
.use-case-card {
  position: relative;
  overflow: hidden;
  padding: clamp(var(--space-6), 2vw, var(--space-8));
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  min-height: 260px;
}
.use-case-card::after {
  content: '';
  position: absolute;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(180,106,60,0.22);
  border-radius: 50%;
  right: -64px;
  top: -64px;
}
.use-case-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.use-case-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.use-case-card ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}
.use-case-card li {
  position: relative;
  padding-left: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.use-case-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

.tech-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}
@media (max-width: 980px) {
  .tech-rail { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .tech-rail { grid-template-columns: 1fr; }
}
.tech-tile {
  border: 1px solid rgba(232,216,184,0.14);
  background: rgba(232,216,184,0.045);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.tech-tile span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(180,106,60,0.18);
  color: var(--aptos-champagne);
  font-family: var(--font-display);
  font-style: italic;
  margin-bottom: var(--space-3);
}
.tech-tile h3 {
  color: var(--aptos-cream);
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.tech-tile p {
  color: rgba(232,216,184,0.70);
  font-size: var(--text-sm);
}

/* Tag list */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
}
.tags li {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

/* CTA strip */
.cta-strip {
  position: relative;
  padding: clamp(var(--space-12), 5vw, var(--space-20));
  border-radius: var(--radius-xl);
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(180,106,60,0.30), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(232,216,184,0.10), transparent 50%),
    var(--aptos-deep-teal);
  color: var(--aptos-cream);
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: var(--space-8);
  align-items: center;
  overflow: hidden;
}
@media (max-width: 760px) {
  .cta-strip { grid-template-columns: 1fr; }
}
.cta-strip h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--aptos-cream);
  letter-spacing: -0.01em;
  font-weight: 400;
}
.cta-strip h2 em { font-style: italic; color: var(--aptos-champagne); }
.cta-strip p {
  color: rgba(232,216,184,0.80);
  margin-top: var(--space-3);
  max-width: 56ch;
}
.cta-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Form */
.contact-form {
  display: grid;
  gap: var(--space-4);
}
.contact-form label {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: inherit;
  width: 100%;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-color: transparent;
}
.contact-form .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 600px) {
  .field-row { grid-template-columns: 1fr; }
}

/* Layout primitives */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}
.split--unequal { grid-template-columns: 1.2fr 1fr; }
@media (max-width: 900px) { .split--unequal { grid-template-columns: 1fr; } }

.media-frame {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: clamp(var(--space-4), 2vw, var(--space-8));
  box-shadow: var(--shadow-md);
  position: relative;
}
.surface-night .media-frame, .surface-deep .media-frame {
  background: rgba(232,216,184,0.04);
  border-color: rgba(232,216,184,0.16);
}

/* Badges */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.badge {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  background: rgba(232,216,184,0.06);
  border: 1px solid rgba(232,216,184,0.18);
  color: var(--aptos-champagne);
  border-radius: var(--radius-full);
}

/* Anchor link spacing */
[id] { scroll-margin-top: 90px; }

/* Services page two-column layout */
.services-grid { grid-template-columns: 240px 1fr; }
@media (max-width: 880px) {
  .services-grid { grid-template-columns: 1fr; }
}
.services-toc { position: sticky; top: 96px; }
@media (max-width: 880px) {
  .services-toc { position: static; padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-divider); }
  .services-toc .toc { display: flex; flex-wrap: wrap; gap: var(--space-3); }
  .services-toc .toc a { padding: 0.4rem 0.8rem; border: 1px solid var(--color-border); border-radius: var(--radius-full); }
}

/* In-page TOC */
.toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
}
.toc a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-1) 0;
}
.toc a.is-active { color: var(--color-accent); font-weight: 600; }
@media (max-width: 980px) { .toc { position: static; } }

/* FAQ */
.faq details {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-5) 0;
}
.faq details:last-child { border-bottom: 1px solid var(--color-divider); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: transform 200ms ease;
  font-weight: 400;
  line-height: 1;
}
.faq details[open] summary::after { content: '–'; }
.faq details p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  max-width: 70ch;
}

/* Page transitions */
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 700ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.fade-up.delay-1 { animation-delay: 80ms; }
.fade-up.delay-2 { animation-delay: 160ms; }
.fade-up.delay-3 { animation-delay: 240ms; }
@keyframes fadeUp {
  to { opacity: 1; transform: none; }
}

/* Reveal utility — content must remain visible even in email-preview browsers,
   privacy modes, or mobile sessions where scroll observers can be delayed. */
.reveal { opacity: 1; transform: none; }
html.js .reveal {
  opacity: 1;
  transform: none;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
html.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

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

/* Subtle marquee for trust line */
.trust-line {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  align-items: center;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.trust-line span { display: inline-flex; gap: var(--space-2); align-items: center; }
.trust-line .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
}

/* Side image with caption */
figure.callout-img {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
}
figure.callout-img figcaption {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-divider);
}