:root {
  --bg: #f6f4f0;
  --fg: #15171c;
  --muted: #5a6170;
  --accent: #3558e8;
  --accent-2: #e85a9a;
  --accent-fg: #ffffff;
  --deep: #0c1a3d;
  --card: #ffffff;
  --line: rgba(21, 23, 28, 0.1);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --step-0: clamp(1rem, 0.96rem + 0.19vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.37vw, 1.45rem);
  --step-2: clamp(1.44rem, 1.3rem + 0.65vw, 1.85rem);
  --step-3: clamp(1.73rem, 1.48rem + 1.05vw, 2.4rem);
  --step-4: clamp(2.05rem, 1.65rem + 1.7vw, 3.15rem);
  --step-5: clamp(2.45rem, 1.85rem + 2.6vw, 4.1rem);
  --space-s: clamp(1rem, 0.93rem + 0.37vw, 1.25rem);
  --space-m: clamp(1.5rem, 1.39rem + 0.56vw, 1.88rem);
  --space-l: clamp(2rem, 1.85rem + 0.74vw, 2.5rem);
  --space-xl: clamp(3rem, 2.7rem + 1.2vw, 3.75rem);
  --space-2xl: clamp(4rem, 3.2rem + 3vw, 6rem);
  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: min(var(--wrap), calc(100% - 2 * var(--gutter))); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 86%, white);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.logo-mark {
  width: 30px;
  height: 30px;
  color: var(--accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a { text-decoration: none; font-size: 14.5px; color: var(--muted); }
.nav-links a:hover { color: var(--fg); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--fg);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { background: #2c4ad4; }
.btn-ghost { background: transparent; color: var(--fg); }
.btn-dark { background: var(--deep); color: #fff; }
.hero { padding: var(--space-2xl) 0 var(--space-xl); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--space-xl);
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0 0 0.5em; letter-spacing: -0.04em; line-height: 1.08; }
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-1); letter-spacing: -0.03em; }
.lead { margin: 0 0 var(--space-m); color: var(--muted); font-size: var(--step-1); max-width: 36ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-note { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.visual-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(12, 26, 61, 0.08);
}
.section { padding: var(--space-2xl) 0; }
.section.alt { background: #fff; }
.section.deep { background: var(--deep); color: #eef2ff; }
.section.deep .lead, .section.deep .muted { color: rgba(255,255,255,0.72); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.grid-3, .grid-4, .grid-2 {
  display: grid;
  gap: 18px;
  margin-top: var(--space-l);
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .step, .plan, .faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.section.deep .card { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }
.card p, .step p { margin: 0; color: var(--muted); }
.icon-blob {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 14px;
}
.steps { counter-reset: step; }
.step { position: relative; padding-left: 26px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 18px; top: 18px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: grid; place-items: center;
}
.step { padding: 22px 22px 22px 58px; }
.channels {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: var(--space-m);
}
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 40px; padding: 0 14px;
  border-radius: 999px; background: #fff; border: 1px solid var(--line);
  font-size: 14px; font-weight: 600;
}
.provisional {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff3c4;
  color: #6a4b00;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.plan { text-align: left; }
.plan .price { font-size: var(--step-3); font-weight: 750; letter-spacing: -0.04em; margin: 8px 0; }
.plan .price small { font-size: 14px; color: var(--muted); font-weight: 500; }
.plan ul { margin: 0; padding: 0 0 0 1.1em; color: var(--muted); }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent); }
.faq details + details { margin-top: 10px; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { margin: 10px 0 0; color: var(--muted); }
.cta-band { padding: var(--space-2xl) 0; text-align: center; }
.site-footer {
  background: var(--deep);
  color: #d7deee;
  padding: var(--space-xl) 0 var(--space-l);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}
.site-footer a { color: #d7deee; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.legal { margin-top: var(--space-l); padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 13px; color: rgba(255,255,255,0.65); }
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-4, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 68px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px var(--gutter) 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .site-header.is-open .nav-links { display: flex; }
}
@media (max-width: 430px) {
  .header-actions .btn-ghost { display: none; }
  .btn { min-height: 44px; width: auto; }
}