:root {
  --accent: #3d52e8;
  --accent-hover: #2f42d4;
  --accent-soft: rgba(61, 82, 232, 0.12);
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 16px;
  --shadow: 0 24px 60px rgba(17, 24, 39, 0.08);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(250, 250, 250, 0.85);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(61, 82, 232, 0.25);
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

.btn:hover { transform: translateY(-1px); text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: white;
}

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

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.hero {
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.phone-showcase {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-showcase img {
  width: min(320px, 100%);
  border-radius: 36px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.06);
}

.section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.screenshots-grid figure {
  text-align: center;
}

.screenshots-grid img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(17, 24, 39, 0.06);
  margin-bottom: 12px;
}

.screenshots-grid figcaption {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.privacy-band {
  background: linear-gradient(135deg, #111827, #1f2937);
  color: white;
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.privacy-band p {
  color: rgba(255,255,255,.75);
  max-width: 560px;
}

.privacy-band h2 { margin-bottom: 12px; }

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.platforms span {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  font-size: 0.85rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-links {
  display: flex;
  gap: 24px;
}

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

.page-hero {
  padding: 64px 0 32px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 640px;
}

.prose {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 64px;
}

.prose h2 {
  font-size: 1.25rem;
  margin: 28px 0 12px;
}

.prose h2:first-child { margin-top: 0; }

.prose p, .prose li {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.prose ul {
  padding-left: 1.25rem;
  margin-bottom: 16px;
}

.faq {
  display: grid;
  gap: 16px;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .phone-showcase { order: -1; }
  .features { grid-template-columns: 1fr; }
  .screenshots-grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-band { grid-template-columns: 1fr; }
  .nav { display: none; }
}

@media (max-width: 560px) {
  .screenshots-grid { grid-template-columns: 1fr; }
}