/* ─── Orbit v5 / Brand Kit 2K26 v1 ─────────────────────────────────────────── */
:root {
  --color-void: #0A0A0E;
  --color-depth: #111118;
  --color-surface: #F8F8FA;
  --color-solar: #FF7515;
  --color-yellow: #FFFAA0;
  --color-blue: #274578;
  --color-purple: #655596;
  --color-white: #FFFFFF;
  --color-muted: rgba(248,248,250,0.48);
  --color-border: rgba(248,248,250,0.1);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --tracking-display: -0.03em;
  --tracking-wide: 0.06em;
  --tracking-widest: 0.12em;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --max-w: 1160px;
  --nav-h: 68px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--color-void);
  color: var(--color-surface);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* Typography */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
}
.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
}
.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: var(--tracking-display);
  line-height: 1.2;
}
.label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-solar);
}
.body-lg { font-size: 1.125rem; line-height: 1.7; color: var(--color-muted); }
.body-md { font-size: 1rem; line-height: 1.65; color: var(--color-muted); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
.section { padding-block: clamp(4rem, 10vw, 8rem); }
.section--sm { padding-block: clamp(2.5rem, 6vw, 4rem); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10,10,14,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 0.2s;
}
.nav__links a:hover,
.nav__links a.active { color: var(--color-surface); }
.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--color-solar);
  color: var(--color-void);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: opacity 0.2s;
}
.nav__cta:hover { opacity: 0.88; }

/* Hero */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255,117,21,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(101,85,150,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero__eyebrow { margin-bottom: 1.5rem; }
.hero__headline { margin-bottom: 1.5rem; }
.hero__sub { max-width: 560px; margin-bottom: 2.5rem; }
.hero__actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: opacity 0.2s, transform 0.15s;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn--primary { background: var(--color-solar); color: var(--color-void); }
.btn--ghost { border: 1px solid var(--color-border); color: var(--color-surface); }
.btn--ghost:hover { border-color: rgba(248,248,250,0.25); }

/* Stage badge */
.stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  border: 1px solid rgba(255,117,21,0.3);
  background: rgba(255,117,21,0.08);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-solar);
}

/* Cards */
.card {
  background: var(--color-depth);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(255,117,21,0.25); }
.card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.card__desc { font-size: 0.875rem; color: var(--color-muted); line-height: 1.6; }

/* Lifecycle grid */
.lifecycle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.lifecycle-cell {
  background: var(--color-depth);
  padding: 1.5rem 1.25rem;
  transition: background 0.2s;
  cursor: pointer;
}
.lifecycle-cell:hover { background: rgba(17,17,24,0.8); }
.lifecycle-cell__stage {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-solar);
  margin-bottom: 0.375rem;
}
.lifecycle-cell__name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}
.lifecycle-cell__product { font-size: 0.75rem; color: var(--color-muted); }

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.metric {
  background: var(--color-depth);
  padding: 2rem 1.5rem;
  text-align: center;
}
.metric__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-solar);
  letter-spacing: var(--tracking-display);
  margin-bottom: 0.25rem;
}
.metric__label { font-size: 0.8125rem; color: var(--color-muted); }

/* Capability grid */
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

/* Section header */
.section-header { margin-bottom: 3rem; }
.section-header .label { margin-bottom: 0.75rem; }

/* Divider */
.divider { height: 1px; background: var(--color-border); }

/* Footer */
.footer { border-top: 1px solid var(--color-border); padding-block: 2.5rem; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
}
.footer__copy { font-size: 0.8125rem; color: var(--color-muted); }
.footer__links { display: flex; gap: 1.5rem; list-style: none; }
.footer__links a { font-size: 0.8125rem; color: var(--color-muted); transition: color 0.2s; }
.footer__links a:hover { color: var(--color-surface); }

/* Form */
.form { display: flex; flex-direction: column; gap: 1rem; }
.form__field { display: flex; flex-direction: column; gap: 0.375rem; }
.form__label { font-size: 0.8125rem; font-weight: 500; color: var(--color-muted); }
.form__input,
.form__textarea {
  background: var(--color-depth);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}
.form__input:focus,
.form__textarea:focus { border-color: rgba(255,117,21,0.5); }
.form__textarea { min-height: 140px; resize: vertical; }
.form__success {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(255,117,21,0.1);
  border: 1px solid rgba(255,117,21,0.3);
  color: var(--color-solar);
}

/* Responsive */
@media (max-width: 900px) {
  .grid-4, .lifecycle-grid, .metrics { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .capability-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .grid-4, .lifecycle-grid, .metrics { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}