/*
 * BlueStone HomeCare Provider Platform — public marketing site
 * Palette derived from the BlueStone Design System (see ui/src/admin.css).
 */

:root {
  /* Dark theme — deep navy with brighter blue accents for an early-access teaser feel.
     Token names are semantic; --color-slate is the primary text color (now light). */
  --color-primary:        #6BA5E8;
  --color-primary-hover:  #8FBCEF;
  --color-secondary:      #1E3859;
  --color-accent:         #C9C5F2;
  --color-bg:             #0A1628;
  --color-slate:          #E8EEF7;
  --color-slate-muted:    #7E94B1;
  --color-slate-soft:     #A8BBD5;
  --color-border:         #2A4567;
  --color-border-light:   #1E3553;
  --color-surface:        #122339;
  --color-deep:           #050D1A;

  --max-width: 1080px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-slate);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* ── Nav ───────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(10, 22, 40, 0.75);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-slate);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.nav-mark { border-radius: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--color-slate-soft);
  font-size: 14px;
  font-weight: 500;
}

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

.nav-cta {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-deep) !important;
  font-weight: 600;
}

.nav-cta:hover { background: var(--color-primary-hover); }

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 32px 80px;
  text-align: center;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 740px;
  margin: 0 auto;
}

.hero-mark {
  border-radius: 20px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 12px 48px rgba(107, 165, 232, 0.28);
  margin-bottom: 28px;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-slate);
}

.hero-title .accent {
  color: var(--color-primary);
}

.hero-tagline {
  margin: 0 auto 36px;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-slate-soft);
}

.hero-actions {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.hero-glow {
  position: absolute;
  inset: auto 0 -160px 50%;
  width: 820px;
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(107, 165, 232, 0.32), transparent 70%);
  filter: blur(28px);
  pointer-events: none;
  z-index: 0;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-slate);
  border-color: var(--color-slate-muted);
}

.btn-ghost:hover {
  background: var(--color-secondary);
  color: var(--color-slate);
  border-color: var(--color-slate-soft);
}

/* ── Pillars ───────────────────────────────────────────────────────────── */

.pillars {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 32px 80px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.pillar {
  flex: 1 1 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
}

.pillar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.pillar h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-slate);
}

.pillar p {
  margin: 0;
  color: var(--color-slate-soft);
  font-size: 15px;
  line-height: 1.55;
}

.pillar-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex: none;
}

.pillar-dot-blue     { background: var(--color-primary); }
.pillar-dot-mist     { background: #9FB8D9; }
.pillar-dot-lavender { background: var(--color-accent); }
.pillar-dot-mint     { background: #6FD6B0; }
.pillar-dot-amber    { background: #E8B36B; }

/* ── Regions ───────────────────────────────────────────────────────────── */

.regions {
  text-align: center;
  padding: 40px 32px 80px;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-surface);
}

.regions-eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-slate-muted);
}

.regions-list {
  margin: 0 0 14px;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-slate);
}

.regions-list .dot {
  color: var(--color-accent);
  margin: 0 12px;
}

.regions-note {
  margin: 0;
  font-size: 14px;
  color: var(--color-slate-soft);
}

/* ── CTA ───────────────────────────────────────────────────────────────── */

.cta {
  max-width: 640px;
  margin: 0 auto;
  padding: 96px 32px;
  text-align: center;
}

.cta-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.cta h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-slate);
}

.cta p.cta-tagline {
  font-size: 18px;
  color: var(--color-slate);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.cta p {
  margin: 0 0 24px;
  color: var(--color-slate-soft);
  font-size: 16px;
}

.cta .btn {
  height: 48px;
  padding: 0 24px;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.footer {
  background: var(--color-deep);
  color: var(--color-slate);
  padding: 32px;
  border-top: 1px solid var(--color-border-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}

.footer-mark { border-radius: 4px; }

.footer-copy {
  margin: 0;
  font-size: 13px;
  color: var(--color-slate-muted);
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 720px) {
  .nav { padding: 12px 20px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }

  .hero { padding: 64px 20px 56px; }
  .pillars {
    padding: 16px 20px 56px;
  }
  .pillar { flex-basis: 100%; }
  .regions, .cta { padding-left: 20px; padding-right: 20px; }
  .cta { padding-top: 72px; padding-bottom: 72px; }
  .footer { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}