:root {
  --bg: #fafaf7;
  --bg-alt: #f0efe9;
  --surface: #ffffff;
  --text: #16161a;
  --muted: #5b5b66;
  --border: #e2e0d8;
  --accent: #4f46e5;
  --accent-strong: #3730a3;
  --accent-soft: #eef0ff;
  --on-accent: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 8px 24px rgb(0 0 0 / 0.06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f13;
    --bg-alt: #16161c;
    --surface: #1b1b22;
    --text: #f2f2f5;
    --muted: #a3a3b0;
    --border: #2b2b35;
    --accent: #8b85ff;
    --accent-strong: #a9a4ff;
    --accent-soft: #23223a;
    --on-accent: #0f0f13;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.35);
  }
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.container-narrow { max-width: 760px; }

@media (min-width: 720px) {
  .container { padding: 0 32px; }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo img { margin-right: 8px; vertical-align: -6px; }
.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.nav { display: none; list-style: none; margin: 0 0 0 auto; padding: 0; gap: 24px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: var(--text); }
.header-inner .btn { margin-left: auto; }

@media (min-width: 860px) {
  .nav { display: flex; }
  .header-inner .btn { margin-left: 0; }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8em 1.4em;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 650;
  text-decoration: none;
  border: 2px solid var(--accent);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); }
.btn-small { padding: 0.5em 1em; font-size: 0.9rem; }
.btn-large { padding: 1em 2em; font-size: 1.1rem; }

/* Hero */
.hero { padding: 72px 0 64px; }
@media (min-width: 720px) {
  .hero { padding: 120px 0 96px; }
}
.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.3em 0.8em;
  border-radius: 999px;
  margin-bottom: 1.5em;
}
.lead { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--muted); max-width: 640px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 56px; }

.proof {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .proof { grid-template-columns: repeat(3, 1fr); }
}
.proof li {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  display: flex;
  flex-direction: column;
}
.proof span { color: var(--muted); font-size: 0.95rem; }

/* Sections */
.section { padding: 72px 0; }
@media (min-width: 720px) {
  .section { padding: 104px 0; }
}
.section-alt { background: var(--bg-alt); }
.section-lead { color: var(--muted); font-size: 1.1rem; margin-bottom: 40px; }

/* Compare */
.compare { display: grid; gap: 20px; margin-top: 32px; }
@media (min-width: 720px) {
  .compare { grid-template-columns: 1fr 1fr; }
}
.compare-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.compare-col ul { margin: 0; padding-left: 1.2em; color: var(--muted); }
.compare-col li { margin-bottom: 0.5em; }
.compare-col--us { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.compare-col--us h3 { color: var(--accent); }
.compare-col--us ul { color: var(--text); }

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(5, 1fr); }
}
.steps li {
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}
.steps li::before {
  content: "0" counter(step);
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.steps p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* Cards */
.cards { display: grid; gap: 20px; }
@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.card--featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.card-tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.75em;
}
.card-duration { color: var(--muted); margin-bottom: 1.25em; }
.card ul { padding-left: 1.2em; margin: 0 0 1.5em; flex: 1; }
.card li { margin-bottom: 0.4em; }
.card-price { font-weight: 700; font-size: 1.15rem; }
.card .btn { text-align: center; }

/* Features */
.features { display: grid; gap: 20px; }
@media (min-width: 720px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.feature p { color: var(--muted); margin: 0; }

/* FAQ */
details {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
summary {
  cursor: pointer;
  font-weight: 650;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-family: var(--mono); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 12px 0 0; }

/* CTA final */
.cta-final { text-align: center; background: var(--accent-soft); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.footer-inner p { margin: 0; color: var(--muted); font-size: 0.9rem; }