:root {
  color-scheme: light;
  --ink: #0e1620;
  --ink-soft: #364152;
  --muted: #6a7585;
  --line: #e3e8ef;
  --line-soft: #eef2f7;
  --bg: #fafbfc;
  --panel: #ffffff;
  --accent: #1a6bf2;
  --accent-strong: #1148b0;
  --accent-soft: #eef4ff;
  --good: #0b8a5a;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 16px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 50px rgba(15, 23, 42, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Pin the footer to the bottom on short pages (success, faq). */
footer.site-footer { margin-top: auto; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

h1, h2, h3, p { margin: 0; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.mark {
  width: 28px;
  height: 28px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--ink-soft);
}

.nav-links a:hover { color: var(--ink); }

/* Buttons */
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease, border-color 0.15s ease;
}

.button:active { transform: translateY(1px); }

.button.primary { background: var(--ink); color: #fff; }
.button.primary:hover { background: #1c2735; }

.button.secondary {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line);
}
.button.secondary:hover { border-color: #c8d0db; }

.button.buy { background: var(--accent); color: #fff; }
.button.buy:hover { background: var(--accent-strong); }
.button.buy:disabled { opacity: 0.65; cursor: default; }

.button .arrow { transition: transform 0.15s ease; }
.button:hover .arrow { transform: translateX(2px); }

.nav .button { padding: 8px 14px; min-height: 36px; font-size: 14px; }

/* Hero */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(26, 107, 242, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 100%, rgba(26, 107, 242, 0.06), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: center;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
}

.eyebrow .dot-accent {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

h1 {
  font-size: clamp(38px, 5.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 20px;
}

h1 .accent { color: var(--accent); }

.hero p.lede {
  font-size: clamp(17px, 1.4vw, 19px);
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 24px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-pro-line {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 26px;
}
.hero-pro-line a { color: var(--accent); font-weight: 500; }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
  color: var(--muted);
  font-size: 13px;
}

.meta-row span { display: inline-flex; align-items: center; gap: 6px; }
.meta-row svg { color: var(--good); }

.hero-shot { position: relative; justify-self: center; }

.hero-shot::after {
  content: "";
  position: absolute;
  inset: -40px;
  z-index: -1;
  background: radial-gradient(ellipse at center, rgba(26, 107, 242, 0.14), transparent 65%);
  filter: blur(20px);
}

.hero-shot img {
  width: 100%;
  max-width: 320px;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
}

/* Sections */
section { padding: 88px 0; }

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 17px;
}

/* Problem */
.problem { border-bottom: 1px solid var(--line); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.problem-card {
  padding: 28px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.problem-card .label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.problem-card .label.health { background: #cfeaf2; color: #0e7490; }
.problem-card .label.power { background: #fef3cd; color: #856404; }
.problem-card .label.device { background: #dbeafe; color: #1e40af; }

.problem-card .ask { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.problem-card p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }

/* Features */
.features { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.feature { padding: 32px 28px; background: var(--panel); }

.feature .icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.feature h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }

/* Screenshots */
.screenshots { border-bottom: 1px solid var(--line); }

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  justify-items: center;
  align-items: start;
}

.screenshot-grid figure { margin: 0; width: 100%; }

.screenshot-grid img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.screenshot-grid figcaption {
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* How it works */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.how-card {
  padding: 28px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.how-card .step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.how-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.how-card p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
.how-card code {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--line-soft);
  font-size: 13px;
}

/* Pro */
.pro { border-bottom: 1px solid var(--line); }

.pro-showcase { margin-bottom: 44px; display: flex; justify-content: center; }
.pro-showcase figure { margin: 0; max-width: 720px; width: 100%; }
.pro-showcase img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.pro-showcase figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  text-align: center;
}

.pro-card-wrap { display: flex; flex-direction: column; align-items: center; }

.pricing-card {
  width: 100%;
  max-width: 480px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 32px;
}

.pricing-card .card-label {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.pricing-card .card-title { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.pricing-card .price { font-size: 40px; font-weight: 800; color: var(--ink); line-height: 1; }
.pricing-card .price-period {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 4px;
  margin-bottom: 20px;
}

.pro-checklist { list-style: none; padding: 0; margin: 0 0 24px; }

.pro-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--ink-soft);
  padding: 6px 0;
}

.pro-checklist li svg { flex-shrink: 0; margin-top: 2px; color: var(--good); }

.buy-reassure {
  color: var(--ink-soft);
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  margin-bottom: 0;
}
.buy-reassure strong { color: var(--good); }

.buy-stripe-note { color: var(--muted); font-size: 13px; text-align: center; margin-top: 8px; margin-bottom: 0; }
.buy-error { color: #dc2626; font-size: 14px; margin-top: 10px; text-align: center; }
.pro-existing { color: var(--muted); font-size: 14px; text-align: center; margin-top: 20px; }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq-list { max-width: 720px; }

.faq-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.faq-item p { color: var(--ink-soft); font-size: 15px; line-height: 1.6; }
.faq-item p + p { margin-top: 10px; }
.faq-item ol, .faq-item ul { margin: 8px 0 0; padding-left: 1.3em; color: var(--ink-soft); font-size: 15px; }
.faq-item li { margin: 6px 0; }
.faq-item a { color: var(--accent); }

/* Install (dark) */
.install { background: #0c1219; color: #fff; }
.install .section-tag { color: #7da7ff; }
.install h2 { color: #fff; }
.install .section-head p { color: rgba(255, 255, 255, 0.7); }

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.install-card {
  padding: 28px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.install-card-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.install-card-label svg { color: #7da7ff; }
.install-card p { color: rgba(255, 255, 255, 0.7); font-size: 14.5px; margin-bottom: 18px; line-height: 1.55; }
.install-card code {
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
}

.install-card pre {
  margin: 0 0 18px;
  padding: 16px 18px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 8px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13.5px;
  color: #dbe7ff;
  overflow-x: auto;
  line-height: 1.7;
}

.install-card .button.primary { background: #fff; color: #0c1219; width: 100%; }
.install-card .button.primary:hover { background: #e8efff; }

.install .meta-row { color: rgba(255, 255, 255, 0.65); margin-top: 24px; }
.install .meta-row svg { color: #7da7ff; }

/* Standalone content pages (faq, success) */
.page { padding: 72px 0; }
.page .wrap { max-width: 760px; }
.page-head { margin-bottom: 8px; }
.page h1 { font-size: clamp(32px, 4vw, 44px); margin-bottom: 12px; }
.page .lede { color: var(--ink-soft); font-size: 18px; margin-bottom: 12px; }

/* Footer (dark) */
footer.site-footer {
  padding: 32px 0;
  background: #0c1219;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13.5px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

footer.site-footer a { color: rgba(255, 255, 255, 0.85); }
footer.site-footer a:hover { color: #fff; }

/* Responsive */
@media (max-width: 900px) {
  .hero { padding: 56px 0 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-shot { order: -1; }
  .hero-shot img { max-width: 260px; margin: 0 auto; }
  section { padding: 64px 0; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .problem-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .install-grid { grid-template-columns: 1fr; gap: 32px; }
  .screenshot-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 560px) {
  .nav-links a:not(.button) { display: none; }
  .nav-links { gap: 12px; }
  .nav .button { padding: 8px 12px; font-size: 13px; }
  .feature-grid { grid-template-columns: 1fr; }
  .actions { width: 100%; flex-direction: column; }
  .actions .button { width: 100%; }
  .hero-shot img { max-width: 100%; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .section-head { margin-bottom: 32px; }
  section { padding: 48px 0; }
  footer.site-footer .wrap { flex-direction: column; align-items: flex-start; }
}