/* ============================================================
   APOGEE — site components, layout, navigation, cards
   ============================================================ */

/* ------------------- Layout containers ------------------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
section.tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

/* ------------------- Typography helpers ------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--color-primary);
}
.eyebrow.no-rule::before { display: none; }

.lede {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 60ch;
}

.section-title { font-size: var(--text-xl); }
.section-title-lg { font-size: var(--text-2xl); letter-spacing: -0.025em; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 1rem + 4.5vw, 4.5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.hero-title em {
  font-style: normal;
  color: var(--color-primary);
  font-weight: 500;
}

/* ------------------- Buttons ------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #06181A;
  border-color: var(--color-primary);
}
[data-theme='dark'] .btn-primary,
:root:not([data-theme]) .btn-primary { color: #06181A; }
[data-theme='light'] .btn-primary { color: #ffffff; }

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-strong);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-2);
  color: var(--color-text-strong);
}
.btn-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--text-sm);
}
.btn-link:hover { color: var(--color-primary-hover); transform: translateX(2px); }
.btn-link svg { transition: transform var(--transition-interactive); }
.btn-link:hover svg { transform: translateX(3px); }

/* ------------------- Header / Nav ------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 84%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent);
}
.site-header.scrolled {
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
}
.nav {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: 14px clamp(var(--space-5), 4vw, var(--space-12));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-strong);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand .logo-mark { width: 24px; height: 24px; color: var(--color-primary); }
.brand-sub {
  margin-left: 4px;
  padding-left: 10px;
  border-left: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0;
  font-family: var(--font-body);
}
@media (max-width: 720px) {
  .brand-sub { display: none; }
}
@media (max-width: 560px) {
  .nav-cta .btn-primary { display: none; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  white-space: nowrap;
}
@media (max-width: 1280px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 13.5px; }
  .nav-cta .btn-primary { padding: 10px 14px; font-size: 13px; }
}
@media (max-width: 1100px) {
  .nav-cta .btn-primary { display: none; }
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 8px 0;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-text-strong); }
.nav-links a.active { color: var(--color-text-strong); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--color-primary);
}

.nav-cta {
  display: flex; align-items: center; gap: var(--space-3);
}
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.theme-toggle:hover { color: var(--color-text-strong); border-color: var(--color-border-strong); }

/* Mobile nav */
.menu-toggle { display: none; }
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    background: var(--color-surface);
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-12));
  }
  .nav-links.open li { width: 100%; }
  .nav-links.open a {
    display: block;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-links.open li:last-child a { border-bottom: none; }
  .nav-cta .btn { padding: 10px 14px; }
  .nav-cta .btn-ghost { display: none; }
}

/* ------------------- Hero ------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  background: var(--grad-hero);
  border-bottom: 1px solid var(--color-divider);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--color-border) 30%, transparent) 1px, transparent 1px);
  background-size: 80px 100%;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-copy { display: flex; flex-direction: column; gap: var(--space-6); max-width: 60ch; }
.hero-copy p.lede { max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }

/* ------------------- Cards ------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.card:hover { border-color: var(--color-border-strong); }
.card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
}
.card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

.card-step {
  position: relative;
  padding-top: var(--space-8);
}
.card-step .step-num {
  position: absolute;
  top: var(--space-5); left: var(--space-6);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
}

/* Card variants */
.card-feature {
  padding: var(--space-8);
  gap: var(--space-4);
}
.card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-primary-edge);
}

/* ------------------- Grids ------------------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ------------------- Section header ------------------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head .right { color: var(--color-text-muted); font-size: var(--text-base); line-height: 1.6; max-width: 60ch; }
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: var(--space-5); }
}

/* ------------------- Footer ------------------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
  background: var(--color-surface);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-grid a { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-grid a:hover { color: var(--color-text-strong); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-brand-blurb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
  margin-top: var(--space-3);
}

/* ------------------- Pill / Tag ------------------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.tag-primary {
  background: var(--color-primary-soft);
  border-color: var(--color-primary-edge);
  color: var(--color-primary);
}
.tag-gold {
  background: var(--color-gold-soft);
  border-color: rgba(212, 168, 87, 0.32);
  color: var(--color-gold);
}

/* ------------------- KPI / Stat row ------------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-8) 0;
  border-block: 1px solid var(--color-divider);
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-text-strong);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat .num .unit {
  font-family: var(--font-body);
  font-size: 0.4em;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-left: 4px;
  letter-spacing: 0;
}
.stat .label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
@media (max-width: 800px) { .stat-row { grid-template-columns: repeat(2, 1fr); } }

/* ------------------- Logo banner (text-only, no fake logos) ------------------- */
.partner-band {
  display: flex; flex-wrap: wrap; gap: var(--space-6);
  align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.partner-band span { display: inline-flex; align-items: center; }
.partner-band span::after {
  content: '·';
  display: inline-block;
  margin-left: var(--space-6);
  color: var(--color-text-faint);
}
.partner-band span:last-child::after { display: none; }