/* ---------- Tokens ---------- */
:root {
  --color-primary: #1034a6;      /* Egyptian blue */
  --color-primary-dim: #0c2678;
  --color-accent: #008081;       /* teal */
  --color-ink: #14161f;
  --color-ink-soft: #4a4d5a;
  --color-paper: #fdfdfb;
  --color-paper-alt: #f2f1ec;
  --color-line: rgba(20, 22, 31, 0.1);

  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, sans-serif;

  --max-width: 1120px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #5677e0;
    --color-primary-dim: #3a55b8;
    --color-accent: #2ec4c6;
    --color-ink: #edeef3;
    --color-ink-soft: #a9adbb;
    --color-paper: #0b0d12;
    --color-paper-alt: #12141c;
    --color-line: rgba(237, 238, 243, 0.12);
  }
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

a { color: var(--color-primary); }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.9em;
}

.section-intro {
  max-width: 620px;
  font-size: 18px;
  color: var(--color-ink-soft);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(16, 52, 166, 0.25);
}
.btn-primary:hover { background: var(--color-primary-dim); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-on-dark.btn-primary {
  background: #fff;
  color: var(--color-primary-dim);
  box-shadow: none;
}
.btn-on-dark.btn-primary:hover { background: #e7ebfb; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-ink);
}
.brand-mark { border-radius: 50%; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.primary-nav a {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.15s ease;
}
.primary-nav a:hover { color: var(--color-primary); }
.primary-nav a.nav-cta {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
}

.hero-inner { max-width: 760px; position: relative; z-index: 1; }

.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
}

.hero-sub {
  font-size: 19px;
  color: var(--color-ink-soft);
  max-width: 560px;
  margin-top: 20px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-mark {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  opacity: 0.06;
  pointer-events: none;
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--color-paper-alt); }

.section h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  margin-bottom: 18px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px rgba(16, 52, 166, 0.1);
}
.card-kicker {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--color-ink-soft); font-size: 15.5px; margin: 0; }

.content-list {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
.content-item {
  padding-top: 20px;
  border-top: 2px solid var(--color-primary);
}
.content-item h3 { font-size: 20px; }
.content-item p { color: var(--color-ink-soft); margin: 0; }

/* ---------- Gliff ---------- */
.gliff {
  background: linear-gradient(160deg, var(--color-primary-dim), var(--color-primary) 65%, var(--color-accent) 130%);
  color: #fff;
  text-align: center;
}
.gliff .eyebrow-light { color: #cfe0ff; }
.gliff h2 { color: #fff; }
.gliff-intro {
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.85);
}

.script-showcase {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin: 48px 0 20px;
}
.script-showcase .glyph {
  font-size: 72px;
  line-height: 1;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.platform-note {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  margin-bottom: 28px;
}

/* ---------- Contact ---------- */
.contact-inner { text-align: center; }
.contact .section-intro { margin: 0 auto 28px; }
.contact-email {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-ink);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 4px;
}
.contact-email:hover { color: var(--color-primary); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 40px 0 24px;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 24px;
}
.footer-company {
  font-style: normal;
  text-align: right;
  color: var(--color-ink-soft);
  font-size: 13.5px;
  line-height: 1.6;
}
.footer-meta {
  color: var(--color-ink-soft);
  font-size: 13px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .primary-nav a { padding: 12px 0; width: 100%; }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-mark { display: none; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }

  .footer-company { text-align: left; }
}