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

:root {
  --accent: #facc15;
  --accent-dark: #eab308;
  --accent-readable: #856900;
  --bg: #f9fafb;
  --fg: #0f172a;
  --fg-muted: #6b7280;
  --border: #e5e7eb;
  --card-bg: #ffffff;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding: 3rem 0 5rem;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Brand tag ─── */
.brand-tag {
  margin-bottom: 3.5rem;
}
.brand-tag a {
  font-size: 0.825rem;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
}
.brand-tag a:hover { color: var(--fg); }

/* ─── Hero ─── */
.hero {
  display: flex;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 5rem;
}

.hero-text {
  flex: 1;
  min-width: 0;
}

.hero-visual {
  flex: 0 0 260px;
}

.hero-intro {
  margin-top: 1.5rem;
  font-size: 0.925rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 38ch;
}

.hero-verse {
  margin-top: 2.5rem;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.7;
  opacity: 0.65;
  max-width: 30ch;
}

.hero-phone {
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.14), 0 8px 24px rgba(0, 0, 0, 0.08);
  display: block;
}

.hero-phone-caption {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.45;
  letter-spacing: 0.02em;
}

h1 {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  color: var(--fg);
}

.accent-dot {
  color: var(--accent-dark);
}

.subtitle {
  font-size: 1.125rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
  font-weight: 400;
  line-height: 1.5;
  max-width: 36ch;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.875rem;
  opacity: 0.7;
  letter-spacing: 0.01em;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #1f2937;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
  letter-spacing: -0.01em;
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-link {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.btn-link:hover { color: var(--fg); border-color: var(--fg); }

/* ─── Features Section ─── */
.features-section {
  margin-bottom: 6rem;
}

.features-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-readable);
  margin-bottom: 0.5rem;
}

.features-heading {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 2.5rem;
}

/* ─── Carousel ─── */
.carousel {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.c-viewport {
  flex: 1;
  overflow: hidden;
  /* Fixed height = 640×820 screenshot at 440px display width */
  height: 564px;
}

.c-track {
  display: flex;
  align-items: flex-start;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.c-slide {
  flex: 0 0 100%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.c-img {
  width: 440px;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 3px 10px rgba(0, 0, 0, 0.07);
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.c-arrow {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--fg-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.c-arrow:hover {
  color: var(--fg);
  border-color: var(--fg);
}

/* Dots */
.c-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.c-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease;
}
.c-dot.active { background: var(--fg); }

/* Caption */
.c-caption {
  text-align: center;
}

.c-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.c-desc {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 44ch;
  margin: 0 auto;
}

/* ─── Pricing ─── */
.pricing {
  padding-top: 3.5rem;
  margin-bottom: 5rem;
}

.pricing p {
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 0.625rem;
  font-size: 1rem;
}

.pricing strong {
  color: var(--fg);
  font-weight: 600;
}

.pricing-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* ─── Footer ─── */
footer {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--fg-muted);
  font-size: 0.8125rem;
}

footer p a {
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
footer p a:hover { color: var(--fg); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--fg); }

/* ─── Responsive ─── */
@media (max-width: 680px) {
  .hero {
    flex-direction: column;
    gap: 2.5rem;
  }
  .hero-visual {
    flex: none;
    width: 240px;
    align-self: center;
  }
}

@media (max-width: 600px) {
  body { padding: 2rem 0 4rem; }

  .container { padding: 0 1.25rem; }

  h1 { font-size: 2.75rem; }

  .brand-tag { margin-bottom: 2.5rem; }

  .hero { margin-bottom: 3.5rem; }

  .features-section { margin-bottom: 4rem; }

  .features-heading { font-size: 1.5rem; }

  .c-img { width: 250px; box-shadow: none; }
  .c-viewport { height: 320px; } /* 250 × (820/640) */

  .pricing { margin-bottom: 3.5rem; }

  .pricing-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}