/* ─── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:   #1B4FD8;
  --primary-d: #1540B0;
  --success:   #22C55E;
  --text:      #111827;
  --text-s:    #4B5563;
  --text-m:    #9CA3AF;
  --surface:   #F8FAFC;
  --border:    #E5E7EB;
  --white:     #FFFFFF;
  --radius:    12px;
  --max:       720px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-text-size-adjust: 100%;
}

/* ─── Layout ────────────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 56px 0;
}

section + section {
  border-top: 1px solid var(--border);
}

/* ─── Navigation ────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 14px 20px;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.nav-logo svg { flex-shrink: 0; }

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 6px 14px;
  border: 1.5px solid var(--primary);
  border-radius: 8px;
}

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  padding: 72px 0 64px;
  text-align: center;
  background: linear-gradient(160deg, #EEF2FF 0%, var(--white) 60%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: #EEF2FF;
  border: 1px solid #C7D2FE;
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero p {
  font-size: clamp(15px, 2.5vw, 18px);
  color: var(--text-s);
  max-width: 480px;
  margin: 0 auto 32px;
}

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn-play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 24px;
  border-radius: var(--radius);
  transition: background 0.15s;
}

.btn-play:hover { background: #374151; }

.btn-play svg { flex-shrink: 0; }

.btn-play-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.btn-play-text small {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.8;
}

.hero-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-m);
}

/* ─── Steps ─────────────────────────────────────────────────────────────────── */
.section-title {
  font-size: clamp(20px, 4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 36px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step {
  display: flex;
  gap: 16px;
}

.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.step p {
  font-size: 15px;
  color: var(--text-s);
}

/* ─── Features grid ─────────────────────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.feature h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature p {
  font-size: 14px;
  color: var(--text-s);
  line-height: 1.5;
}

@media (max-width: 420px) {
  .features { grid-template-columns: 1fr; }
}

/* ─── Privacy promise ───────────────────────────────────────────────────────── */
.privacy-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-s);
}

.privacy-list li::before {
  content: '✓';
  flex-shrink: 0;
  color: var(--success);
  font-weight: 700;
  margin-top: 1px;
}

/* ─── Download CTA ──────────────────────────────────────────────────────────── */
.download {
  text-align: center;
  background: var(--surface);
}

.download h2 {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  margin-bottom: 8px;
}

.download p {
  color: var(--text-s);
  margin-bottom: 28px;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 40px 20px;
  text-align: center;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.footer-tagline {
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-tagline strong {
  color: var(--white);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  margin-bottom: 16px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

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

.footer-copy {
  font-size: 12px;
  opacity: 0.4;
}

/* ─── Legal pages ───────────────────────────────────────────────────────────── */
.legal-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.legal-header h1 {
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-header p {
  color: var(--text-m);
  font-size: 14px;
}

.legal-body {
  padding-bottom: 64px;
}

.legal-body h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 32px 0 12px;
}

.legal-body p, .legal-body li {
  font-size: 15px;
  color: var(--text-s);
  margin-bottom: 12px;
  line-height: 1.7;
}

.legal-body ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-body a {
  color: var(--primary);
}