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

:root {
  --blue-deep:   #1a3a6b;
  --blue-mid:    #2563eb;
  --blue-light:  #60a5fa;
  --blue-pale:   #eff6ff;
  --accent:      #3b82f6;
  --accent-dark: #1d4ed8;
  --text-dark:   #0f172a;
  --text-body:   #334155;
  --text-muted:  #64748b;
  --text-light:  #f8fafc;
  --border:      #e2e8f0;
  --white:       #ffffff;
  --radius:      12px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.15);
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--white);
}

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

h1, h2, h3, h4 {
  color: var(--text-dark);
  line-height: 1.25;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: var(--accent-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--accent);
  transition: background var(--transition), color var(--transition);
}
.btn-secondary:hover {
  background: var(--blue-pale);
  text-decoration: none;
}

.btn-appstore {
  display: inline-block;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-appstore:hover {
  opacity: .85;
  transform: translateY(-2px);
  text-decoration: none;
}
.btn-appstore img { border-radius: 8px; }

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-dark);
}
.logo img { border-radius: 8px; }

nav { display: flex; gap: 28px; }
nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-body);
  transition: color var(--transition);
}
nav a:hover { color: var(--accent); text-decoration: none; }

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 60%, var(--blue-light) 100%);
  color: var(--text-light);
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-text h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  max-width: 460px;
}

/* ─── Device Mockup ─── */
.hero-device { display: flex; justify-content: center; }

.device-frame {
  width: 280px;
  background: #1c1c1e;
  border-radius: 44px;
  padding: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.12);
}

.device-screen {
  background: #000;
  border-radius: 34px;
  overflow: hidden;
  min-height: 480px;
}

.mock-app {
  background: linear-gradient(180deg, #1a3a6b 0%, #0f172a 100%);
  min-height: 480px;
  padding: 24px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mock-header {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  padding-bottom: 4px;
}

.mock-input {
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.18);
}
.mock-url {
  font-size: .72rem;
  color: rgba(255,255,255,.75);
  font-family: "SF Mono", "Fira Mono", monospace;
}

.mock-chain { display: flex; flex-direction: column; gap: 8px; }

.mock-hop {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(255,255,255,.07);
  border-radius: 8px;
  padding: 8px 10px;
}
.hop-badge {
  font-size: .6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 1px;
}
.mock-hop.extracted .hop-badge { background: rgba(148,163,184,.2); color: #94a3b8; }
.mock-hop.redirect .hop-badge  { background: rgba(251,191,36,.15);  color: #fbbf24; }
.mock-hop.final    .hop-badge  { background: rgba(52,211,153,.15);  color: #34d399; }
.hop-url {
  font-size: .68rem;
  color: rgba(255,255,255,.7);
  font-family: "SF Mono", "Fira Mono", monospace;
  word-break: break-all;
}

.mock-final {
  margin-top: auto;
  background: rgba(59,130,246,.18);
  border: 1px solid rgba(59,130,246,.35);
  border-radius: 10px;
  padding: 10px 12px;
}
.mock-final-label { font-size: .65rem; font-weight: 700; color: var(--blue-light); margin-bottom: 3px; text-transform: uppercase; letter-spacing: .05em; }
.mock-final-url   { font-size: .72rem; color: var(--white); font-family: "SF Mono", "Fira Mono", monospace; word-break: break-all; }

/* ─── Section shared ─── */
section { padding: 80px 0; }
section h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 52px;
}

/* ─── Features ─── */
.features { background: var(--white); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--blue-pale);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p  { font-size: .9rem; color: var(--text-muted); line-height: 1.6; }

/* ─── How it works ─── */
.how-it-works { background: var(--blue-pale); }

.steps {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  width: 100%;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-content { padding-top: 8px; }
.step-content h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step-content p  { font-size: .9rem; color: var(--text-muted); }

.step-arrow {
  font-size: 1.5rem;
  color: var(--blue-light);
  margin: 10px 0 10px 22px;
}

/* ─── Pricing ─── */
.pricing { background: var(--white); }

.pricing-cards {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-card {
  background: var(--blue-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  width: 300px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); }

.pricing-card--featured {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
  border-color: transparent;
  color: var(--white);
  position: relative;
  box-shadow: var(--shadow-lg);
}
.pricing-card--featured h3,
.pricing-card--featured .pricing-tier,
.pricing-card--featured .pricing-price,
.pricing-card--featured .pricing-period,
.pricing-card--featured li {
  color: var(--white);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #f59e0b;
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-tier   { font-size: 1.1rem; font-weight: 700; }
.pricing-price  { font-size: 3rem; font-weight: 800; line-height: 1; }
.pricing-period { font-size: .85rem; color: var(--text-muted); }
.pricing-card--featured .pricing-period { color: rgba(255,255,255,.7); }

.pricing-features {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.pricing-features li {
  font-size: .9rem;
  color: var(--text-body);
}
.pricing-card--featured .pricing-features li { color: rgba(255,255,255,.9); }

/* ─── FAQ ─── */
.faq { background: var(--blue-pale); }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 12px;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--blue-pale); }

.faq-item p {
  padding: 0 20px 18px;
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── CTA ─── */
.cta {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  color: var(--white);
}

.cta-inner { text-align: center; }
.cta h2 { color: var(--white); margin-bottom: 12px; }
.cta p  { color: rgba(255,255,255,.8); margin-bottom: 32px; font-size: 1.1rem; }

/* ─── Footer ─── */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,.6);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--white);
  font-size: 1rem;
}
.footer-logo img { border-radius: 6px; }

.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: rgba(255,255,255,.65); font-size: .875rem; }
.footer-nav a:hover { color: var(--white); }

.footer-copy { font-size: .8rem; }

/* ─── Privacy page ─── */
.privacy-body { max-width: 760px; margin: 0 auto; padding: 60px 24px 80px; }
.privacy-body h1 { font-size: 2rem; margin-bottom: 8px; }
.privacy-body .updated { color: var(--text-muted); font-size: .875rem; margin-bottom: 40px; }
.privacy-body h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.privacy-body p, .privacy-body li { font-size: .95rem; color: var(--text-body); margin-bottom: 10px; line-height: 1.75; }
.privacy-body ul { padding-left: 20px; }
.privacy-body a { color: var(--accent); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text { order: 1; }
  .hero-device { order: 2; }
  .hero-sub { margin: 0 auto 36px; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 80px; }
  section { padding: 60px 0; }
  .pricing-card { width: 100%; max-width: 340px; }
  .device-frame { width: 240px; }
  .device-screen { min-height: 400px; }
  .mock-app { min-height: 400px; }
}