/* ============================================================
   LURB DEVELOPMENTS — Global Stylesheet
   ============================================================ */

:root {
  --bg:         #0a0a0a;
  --surface:    #111111;
  --surface2:   #1a1a1a;
  --border:     #222222;
  --amber:      #d4880a;
  --amber-dim:  #a86c08;
  --white:      #ffffff;
  --grey1:      #888888;
  --grey2:      #555555;
  --radius:     12px;
  --radius-sm:  8px;
  --max-w:      1080px;
  --font:       -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Layout ---- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--sm { padding: 48px 0; }

/* ---- Nav ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.3px;
}

.nav-logo span { color: var(--amber); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--grey1);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

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

/* ---- Hero ---- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  color: var(--grey1);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.btn-primary {
  background: var(--amber);
  color: #000;
}

.btn-primary:hover {
  background: var(--white);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ---- App Cards (home grid) ---- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.app-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.app-card h3 {
  font-size: 20px;
  font-weight: 700;
}

.app-card p {
  font-size: 14px;
  color: var(--grey1);
  flex: 1;
}

.app-card-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.app-card-links a {
  font-size: 13px;
  color: var(--grey1);
  border-bottom: 1px solid var(--grey2);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}

.app-card-links a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---- App Hero (individual app pages) ---- */
.app-hero {
  padding: 80px 0 60px;
  text-align: center;
}

.app-icon-lg {
  width: 100px;
  height: 100px;
  border-radius: 22px;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  margin: 0 auto 28px;
}

.app-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.app-hero .tagline {
  font-size: 18px;
  color: var(--grey1);
  max-width: 500px;
  margin: 0 auto 36px;
}

.app-nav-pills {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.app-nav-pills a {
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--grey1);
  border: 1px solid var(--border);
  transition: all 0.15s;
}

.app-nav-pills a:hover,
.app-nav-pills a.active {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---- Feature grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 14px;
  color: var(--grey1);
}

/* ---- Prose (privacy / terms / support) ---- */
.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 12px;
  color: var(--white);
}

.prose h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 8px;
  color: var(--white);
}

.prose p {
  color: var(--grey1);
  margin-bottom: 16px;
}

.prose ul {
  color: var(--grey1);
  padding-left: 20px;
  margin-bottom: 16px;
}

.prose ul li { margin-bottom: 6px; }

.prose a { color: var(--amber); }

.prose .last-updated {
  font-size: 13px;
  color: var(--grey2);
  margin-bottom: 40px;
}

/* ---- Support form area ---- */
.support-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.support-box h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.support-box p {
  color: var(--grey1);
  margin-bottom: 24px;
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner p {
  font-size: 13px;
  color: var(--grey2);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--grey2);
  transition: color 0.15s;
}

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

/* ---- Section headings ---- */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--grey1);
  max-width: 500px;
  margin-bottom: 48px;
}

/* ---- Divider ---- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .app-card-links { gap: 16px; }
}