/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --navy-900: #0b1736;
  --navy-800: #102148;
  --navy-700: #1a2e5c;
  --gold: #c9a35a;
  --gold-light: #e2c487;
  --gold-dark: #8a6a2c;

  /* Semantic (light) */
  --bg: #f4f5f8;
  --surface: #ffffff;
  --surface-alt: #eceef3;
  --text: #0f1a33;
  --text-muted: #525c73;
  --border: #dde1ea;
  --accent: var(--gold-dark);          /* gold that passes contrast on light */
  --link: #1f3a8a;
  --link-hover: var(--navy-900);
  --success: #1f7a45;

  /* Navy bands (hero, footer) stay navy in both modes */
  --band-bg: var(--navy-900);
  --band-bg-2: var(--navy-800);
  --band-text: #ffffff;
  --band-muted: #b9c2d8;
  --band-border: rgba(255, 255, 255, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
  --space-6: 64px;
  --space-7: 96px;

  --font-heading: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --maxw: 1140px;
  --maxw-prose: 760px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070f24;
    --surface: #0f1d40;
    --surface-alt: #15264f;
    --text: #eef1f8;
    --text-muted: #a7b1c9;
    --border: #22345f;
    --accent: var(--gold-light);
    --link: var(--gold-light);
    --link-hover: #f1dcae;
    --success: #7fd8a2;
    --band-bg: #050c1d;
    --band-bg-2: #0a1633;
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

img { max-width: 100%; display: block; }

a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--link-hover); }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: var(--space-3);
  top: var(--space-3);
  background: var(--surface);
  color: var(--text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 20;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}
h1 { font-size: clamp(2.6rem, 8vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--band-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--band-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: var(--space-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--band-text);
  text-decoration: none;
}
.brand:hover { color: var(--band-text); }
.brand-mark {
  width: 6px;
  height: 26px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold-dark));
}
.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav a {
  color: var(--band-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav a:hover { color: var(--band-text); }
.nav .nav-cta {
  color: var(--navy-900);
  background: var(--gold);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}
.nav .nav-cta:hover { background: var(--gold-light); color: var(--navy-900); }

@media (max-width: 680px) {
  .nav .nav-optional { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn svg { width: 18px; height: 18px; }
.btn-gold { background: var(--gold); color: var(--navy-900); }
.btn-gold:hover { background: var(--gold-light); color: var(--navy-900); }
.btn-outline { border-color: rgba(255, 255, 255, 0.35); color: var(--band-text); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.08); color: var(--band-text); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--band-text);
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(201, 163, 90, 0.16), transparent 60%),
    radial-gradient(700px 500px at 10% 100%, rgba(58, 92, 180, 0.35), transparent 60%),
    linear-gradient(160deg, var(--band-bg-2), var(--band-bg));
  padding: var(--space-7) 0;
}
.hero::after {
  /* Thin gold arc, echoing the brand banner */
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -180px;
  top: -200px;
  border: 1.5px solid rgba(201, 163, 90, 0.55);
  border-radius: 50%;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
@media (max-width: 760px) {
  .hero::after { display: none; }
}
.hero h1 { color: var(--band-text); letter-spacing: 0.01em; }
.hero .tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 500;
  margin: var(--space-2) 0 0;
}
.hero .lead {
  font-size: 1.15rem;
  color: var(--band-muted);
  max-width: 620px;
  margin: var(--space-4) 0 0;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.gold-rule {
  width: 72px;
  height: 3px;
  border-radius: 2px;
  background: var(--gold);
  margin-bottom: var(--space-4);
}

/* ---------- Sections ---------- */
section { padding: var(--space-7) 0; }
/* Keep anchored sections clear of the sticky header */
section[id] { scroll-margin-top: 68px; }
.section-alt { background: var(--surface-alt); }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-2);
}
.section-head { max-width: 660px; margin-bottom: var(--space-5); }
.section-head p { color: var(--text-muted); margin: var(--space-3) 0 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

/* Five services: 3 on the first row, 2 wider on the second, so none is orphaned */
.services-grid { grid-template-columns: repeat(6, 1fr); }
.services-grid > .card { grid-column: span 2; }
.services-grid > .card:nth-child(n + 4) { grid-column: span 3; }
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid > .card,
  .services-grid > .card:nth-child(n + 4) { grid-column: span 1; }
  .services-grid > .card:last-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* Pin each card's chips to the bottom so they line up across a row */
.services-grid > .card { display: flex; flex-direction: column; }
.services-grid > .card .chips { margin-top: auto; padding-top: var(--space-3); }

/* Service cards: white cards with gold line icons, like the banner */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(11, 23, 54, 0.08);
}
.card p { color: var(--text-muted); margin: 10px 0 0; font-size: 1rem; line-height: 1.6; }
.card .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-3);
}
.card .chips span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--gold) 45%, transparent);
  border-radius: 999px;
  padding: 2px 10px;
}
.icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  margin-bottom: var(--space-3);
}
.icon svg { width: 100%; height: 100%; }

/* Steps */
.steps { counter-reset: step; }
.steps .card h3::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: var(--space-2);
  letter-spacing: 0.08em;
}

/* Work / portfolio */
.work-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.work-card {
  /* Subgrid so meta, title, text, tags and links share rows across cards and line up */
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 6;
  row-gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.work-logo {
  /* Client logos are designed for white, so the tile stays white in dark mode too */
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  height: 150px;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}
.work-logo img { max-height: 100px; width: auto; object-fit: contain; }
.work-body {
  padding: 28px;
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 5;
  row-gap: 0;
  align-content: start;
}
.work-body h3 { line-height: 1.4; }
.work-body h3 .tag { display: table; margin: 10px 0 0; }
.work-body > p { color: var(--text-muted); margin: var(--space-3) 0 0; font-size: 1rem; line-height: 1.6; }
.work-body .work-meta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: 0 0 var(--space-1);
}
.work-body .chips {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 6px;
  padding-top: var(--space-4);
}
.work-body .chips span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
}
.work-body .app-links { margin-top: var(--space-4); }
.tag.tag-live { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }

/* App showcase */
.app-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.app-card img { width: 88px; height: 88px; border-radius: 22px; flex-shrink: 0; }
.app-card p { color: var(--text-muted); margin: var(--space-2) 0 0; }
.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold) 18%, transparent);
  color: var(--accent);
  margin-left: var(--space-2);
  vertical-align: middle;
}
.app-links { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-3); font-size: 0.95rem; }
@media (max-width: 600px) {
  .app-card { flex-direction: column; padding: var(--space-4); }
}

/* Contact band */
.contact {
  color: var(--band-text);
  background: linear-gradient(160deg, var(--band-bg-2), var(--band-bg));
}
.contact h2 { color: var(--band-text); }
.contact .section-head { max-width: none; }
.contact .section-head p { color: var(--band-muted); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}
.contact-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border: 1px solid var(--band-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}
.contact-item svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }
.contact-item .label { color: var(--band-muted); font-size: 0.85rem; margin: 0; }
.contact-item .value { margin: 2px 0 0; font-weight: 600; }
.contact-item a { color: var(--band-text); text-decoration: none; }
.contact-item a:hover { color: var(--gold-light); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--band-bg);
  color: var(--band-muted);
  border-top: 1px solid var(--band-border);
  padding: var(--space-5) 0;
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--band-muted); }
.site-footer a:hover { color: var(--gold-light); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.partners { color: var(--gold-light); }

/* ---------- Legal pages ---------- */
.prose {
  max-width: var(--maxw-prose);
  margin: 0 auto;
  padding: var(--space-6) var(--space-3) var(--space-7);
}
.prose .app-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--text-muted);
  font-weight: 600;
}
.prose .app-badge img { width: 44px; height: 44px; border-radius: 11px; }
.prose h1 { font-size: clamp(2rem, 5vw, 2.7rem); }
.prose .updated { color: var(--text-muted); margin: var(--space-2) 0 var(--space-5); }
.prose h2 { font-size: 1.35rem; margin: var(--space-5) 0 var(--space-3); }
.prose ul { padding-left: 1.3em; }
.prose li + li { margin-top: var(--space-2); }
.prose .summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: 0 0 var(--space-4);
}
.prose .summary p { margin: 0; }
.prose .summary p + p { margin-top: var(--space-3); }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--surface-alt);
  padding: 1px 6px;
  border-radius: 6px;
}
.table-wrap { overflow-x: auto; margin: var(--space-3) 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.prose th, .prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.prose th { color: var(--text-muted); font-weight: 600; }
.prose address { font-style: normal; }
.doc-switch {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}