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

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #eff6ff;
  --violet: #7c3aed;
  --emerald: #059669;
  --amber: #d97706;
  --rose: #e11d48;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #fff;
  --radius: 16px;
  --radius-sm: 12px;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--slate-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--slate-200);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--blue);
  color: var(--white);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.nav-cta:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* ── Hero ── */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content {
  text-align: left;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--slate-500);
  margin-bottom: 32px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.hero-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 580px;
  margin: 0 0 20px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--slate-500);
  max-width: 480px;
  margin: 0 0 44px;
  line-height: 1.6;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 100px;
  font-size: 1.0625rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.cta-btn:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.35);
}

.cta-btn:active { transform: translateY(0); }

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

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.demo-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s;
}

.demo-link:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.cta-hint {
  display: block;
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--slate-400);
}

/* ── Hero media (phone mockup) ── */
.hero-media {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 560px;
  background: var(--slate-900);
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 24px;
  background: var(--slate-900);
  border-radius: 0 0 16px 16px;
  z-index: 2;
}

.phone-mockup video,
.phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
  background: var(--slate-100);
}

/* ── Social proof ── */
.social-proof {
  padding: 0 0 80px;
  text-align: center;
}

.social-proof-text {
  font-size: 0.9375rem;
  color: var(--slate-400);
}

.social-proof-text strong {
  color: var(--slate-700);
  font-weight: 600;
}

/* ── Positioning ── */
.positioning {
  padding: 80px 0;
  background: var(--slate-50);
}

.positioning .container {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--slate-900);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--slate-500);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 40px;
}

.positioning-items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.positioning-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 100px;
  font-size: 0.9375rem;
  color: var(--slate-700);
  font-weight: 500;
}

.positioning-chip .icon { font-size: 1rem; }

.positioning-result {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border: 1px solid #a7f3d0;
  border-radius: 100px;
  font-size: 1rem;
  color: #065f46;
  font-weight: 600;
}

/* ── Benefits ── */
.benefits {
  padding: 100px 0;
}

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

.benefit-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.25s;
}

.benefit-card:hover {
  border-color: transparent;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.benefit-icon--blue   { background: #eff6ff; color: var(--blue); }
.benefit-icon--green  { background: #ecfdf5; color: var(--emerald); }
.benefit-icon--amber  { background: #fffbeb; color: var(--amber); }
.benefit-icon--rose   { background: #fff1f2; color: var(--rose); }
.benefit-icon--violet { background: #f5f3ff; color: var(--violet); }
.benefit-icon--teal   { background: #f0fdfa; color: #0d9488; }

.benefit-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.benefit-card p {
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.6;
}

.benefit-card a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}

.benefit-card a:hover { text-decoration: underline; }

/* ── Screenshots ── */
.screenshots {
  padding: 100px 0;
  background: var(--slate-50);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.screenshot-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s;
}

.screenshot-card:hover {
  border-color: transparent;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.screenshot-card img {
  width: 100%;
  height: auto;
  display: block;
  background: var(--slate-100);
  min-height: 200px;
}

.screenshot-caption {
  padding: 16px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--slate-700);
  text-align: center;
}

/* ── Steps ── */
.steps {
  padding: 100px 0;
}

.steps-list {
  display: flex;
  justify-content: center;
  gap: 20px;
  max-width: 880px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  transition: all 0.25s;
}

.step:hover {
  border-color: transparent;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.5;
}

/* ── FAQ ── */
.faq {
  padding: 100px 0;
  background: var(--slate-50);
}

.faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--slate-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--slate-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--slate-900);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: color 0.15s;
}

.faq-question:hover { color: var(--blue); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--slate-400);
  transition: transform 0.25s;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 0 24px;
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.7;
}

/* ── CTA bottom ── */
.cta-bottom {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--slate-50) 0%, var(--blue-light) 100%);
  position: relative;
}

.cta-bottom::before {
  content: '';
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-bottom h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-bottom p {
  font-size: 1.125rem;
  color: var(--slate-500);
  margin-bottom: 40px;
}

/* ── Footer ── */
.footer {
  padding: 32px 0;
  font-size: 0.8125rem;
  color: var(--slate-400);
  border-top: 1px solid var(--slate-200);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-link {
  color: var(--slate-500);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.15s;
}

.footer-link:hover { color: var(--blue); }

.footer a {
  color: var(--slate-500);
  text-decoration: none;
  font-weight: 500;
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav { display: none; }

  .hero { padding: 60px 0 72px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-sub { font-size: 1.0625rem; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content { text-align: center; }
  .hero-actions { justify-content: center; }

  .hero-content h1 { max-width: none; margin-left: auto; margin-right: auto; }
  .hero-sub { max-width: none; margin-left: auto; margin-right: auto; }

  .footer-top { flex-direction: column; gap: 16px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }

  .hero-media {
    display: flex;
    justify-content: center;
  }

  .phone-mockup {
    width: 220px;
    height: 440px;
    border-radius: 32px;
    padding: 10px;
  }

  .phone-notch { width: 80px; height: 20px; top: 10px; }

  .phone-mockup video,
  .phone-mockup img { border-radius: 22px; }

  .section-title { font-size: 1.625rem; }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .screenshots-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .steps-list {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .step { max-width: 400px; width: 100%; }

  .cta-bottom h2 { font-size: 1.75rem; }

  .positioning { padding: 64px 0; }
  .benefits { padding: 72px 0; }
  .screenshots { padding: 72px 0; }
  .steps { padding: 72px 0; }
  .faq { padding: 72px 0; }
  .cta-bottom { padding: 72px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 48px; }
  .hero h1 { font-size: 1.75rem; }
  .hero-pill { font-size: 0.75rem; padding: 6px 14px; }
  .cta-btn { padding: 14px 32px; font-size: 1rem; }
  .positioning-items { gap: 8px; }
  .positioning-chip { font-size: 0.8125rem; padding: 10px 16px; }
  .benefit-card { padding: 24px 20px; }

  .phone-mockup {
    width: 180px;
    height: 360px;
    border-radius: 28px;
    padding: 8px;
  }

  .phone-notch { width: 64px; height: 16px; top: 8px; border-radius: 0 0 12px 12px; }

  .phone-mockup video,
  .phone-mockup img { border-radius: 20px; }
}
