/* ============================================================
   AIGNITE — classic homepage (Style 1)
   Theme: locked AIGNITE handoff · System: Astryx conventions
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg-canvas);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 var(--spacing-4);
}

h1 { font-size: clamp(38px, 6vw, 56px); line-height: 1.1; }
h2 { font-size: clamp(27px, 4vw, 35px); line-height: 1.18; }
h3 { font-size: 19px; line-height: 1.3; margin-bottom: var(--spacing-2); }

p { margin: 0 0 var(--spacing-4); }
p:last-child { margin-bottom: 0; }

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

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-inner);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.mono { font-family: var(--font-mono); }

/* ---- gradient text (1–3 words inside a headline) ---- */
.grad-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- overlines ---- */
.overline {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin: 0 0 var(--spacing-3);
}

.overline-ember { color: var(--color-ember); text-transform: none; }

/* ---- buttons (pill system) ---- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: filter var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-bg-canvas);
  font-weight: 700;
  border: none;
}

.btn-primary:hover {
  filter: brightness(1.12);
  box-shadow: 0 0 24px rgba(255, 145, 102, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  font-weight: 600;
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover { border-color: var(--color-text-muted); }

.btn-os {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 11px 18px;
}

.btn-os:hover { color: var(--color-ember-text); border-color: var(--color-ember-text); }

/* ---- chips & badges ---- */
.chips { display: flex; flex-wrap: wrap; gap: var(--spacing-2); margin: var(--spacing-4) 0; }

.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tint-blue-text);
  background: var(--tint-blue-bg);
  border: 1px solid var(--tint-blue-border);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-ember { color: var(--color-ember-text); background: var(--tint-ember-bg); }
.badge-blue { color: var(--tint-blue-text); background: var(--tint-blue-bg); }

/* ---- nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23, 20, 27, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--spacing-3) var(--spacing-6);
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-6);
  margin-left: auto;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color var(--duration-fast) var(--ease-standard);
}

.nav-links a:hover { color: var(--color-text-primary); }

.nav-os { font-family: var(--font-mono); }
.nav-links a.nav-os:hover { color: var(--color-ember-text); }

.nav-actions { display: flex; align-items: center; gap: var(--spacing-4); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
}

/* ---- hero ---- */
.hero {
  position: relative;
  padding: var(--spacing-24) 0 var(--spacing-16);
  background: var(--glow-hero);
  text-align: center;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto var(--spacing-8);
  font-size: 17px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-8);
}

.hero-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

/* ---- sections ---- */
.section { padding: var(--spacing-24) 0; }

.section-glow {
  background: radial-gradient(70% 90% at 50% -10%,
      rgba(41, 171, 226, 0.07), rgba(197, 108, 214, 0.04) 55%, transparent 80%);
}

.section-note {
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--spacing-8);
}

.section h2 { margin-bottom: var(--spacing-8); max-width: 720px; }

/* ---- grids & cards ---- */
.grid { display: grid; gap: var(--spacing-5); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-container);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-low);
  transition: border-color var(--duration-fast) var(--ease-standard),
    transform var(--duration-medium) var(--ease-standard);
}

.card:hover { border-color: var(--color-border-strong); transform: translateY(-2px); }

.card p { font-size: 14.5px; color: var(--color-text-muted); }

/* capability cards */
.cap-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-inner);
  background: var(--color-bg-canvas);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  margin-bottom: var(--spacing-4);
}

/* product card */
.product-card { max-width: 720px; }

.product-head {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.product-head h3 { margin-bottom: 0; }

.product-tile {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-tile);
  background: var(--color-bg-inset);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.product-domain {
  font-size: 12px;
  color: var(--color-text-faint);
  margin: 2px 0 0;
}

.product-head .badge { margin-left: auto; }

/* work cards */
.work-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.work-head .overline { margin: 0; }

.work-card-wide { grid-column: 1 / -1; }

/* company */
.company-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  max-width: 900px;
}

/* contact / cta */
.section-cta {
  text-align: center;
  background: var(--glow-hero);
  border-top: 1px solid var(--color-border);
}

.section-cta h2, .section-cta .section-note { margin-left: auto; margin-right: auto; }

/* ---- footer ---- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-8) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 14px;
}

.footer-legal {
  font-size: 11.5px;
  color: var(--color-text-faint);
  margin: 0;
}

.footer-links {
  margin-left: auto;
  display: flex;
  gap: var(--spacing-5);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 13px;
}

.footer-links a:hover { color: var(--color-text-primary); }

/* ---- section intro animation (staggered per section) ---- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--ease-standard),
    transform 0.55s var(--ease-standard);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible { opacity: 1; transform: none; }

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

/* ---- responsive ---- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .company-cols { grid-template-columns: 1fr; gap: var(--spacing-4); }
  .section { padding: var(--spacing-16) 0; }
  .hero { padding: var(--spacing-16) 0; }

  .nav-burger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-2) 0;
  }

  .nav-links.is-open { display: flex; }

  .nav-links a { padding: var(--spacing-3) var(--spacing-6); }

  .nav-actions .btn-primary { display: none; }
  .btn-os { padding: 9px 14px; }
}