:root {
  --bg: #f4f8ff;
  --text: #0f172a;
  --muted: #64748b;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --green: #22a95a;
  --green-dark: #15803d;
  --purple: #7c3aed;
  --panel: #ffffff;
  --line: #dbe5f0;
  --soft: #eaf2ff;
  --soft-green: #e8f9ef;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f6faff 0%, #ffffff 44%, #f8fbff 100%);
  line-height: 1.6;
}

a { color: inherit; }
.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}
.narrow { max-width: 820px; }
.center { text-align: center; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 900;
}
.logo-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: end;
  gap: 4px;
  padding: 5px;
}
.logo-mark span {
  display: block;
  width: 7px;
  border-radius: 999px;
  background: var(--blue);
}
.logo-mark span:nth-child(1) { height: 12px; background: var(--green); }
.logo-mark span:nth-child(2) { height: 20px; }
.logo-mark span:nth-child(3) { height: 27px; background: linear-gradient(180deg, var(--blue), var(--green)); }
.brand-text { font-size: 1.35rem; letter-spacing: -0.03em; }
.alpha-pill {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-dark);
  background: #dbeafe;
  padding: 5px 9px;
  border-radius: 999px;
}
nav { display: flex; gap: 26px; font-size: 0.94rem; }
nav a { text-decoration: none; color: var(--text); font-weight: 800; }
nav a:hover { color: var(--blue); }

.hero {
  padding: 92px 0 58px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: 44px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--blue);
  background: #dbeafe;
  border-radius: 999px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  padding: 5px 12px;
  margin: 0 0 18px;
}
h1, h2, h3 { line-height: 1.08; margin: 0; }
h1 { font-size: clamp(3.5rem, 7.5vw, 6.9rem); letter-spacing: -0.075em; max-width: 670px; }
h1 span { color: var(--green); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -0.045em; }
h3 { font-size: 1.24rem; letter-spacing: -0.025em; }
p { margin: 14px 0 0; }
.lead { font-size: 1.28rem; color: #334155; max-width: 620px; }
.supporting { font-size: 1.05rem; color: var(--muted); max-width: 610px; }
.small-note { color: var(--muted); font-size: 0.92rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
}
.button.primary { background: var(--blue); color: white; box-shadow: 0 18px 32px rgba(37, 99, 235, 0.22); }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { background: white; color: #334155; border-color: #cbd5e1; }
.button.large { min-height: 58px; padding: 0 28px; white-space: nowrap; background: var(--green); box-shadow: 0 18px 32px rgba(34, 169, 90, 0.18); }
.button.large:hover { background: var(--green-dark); }
.hero-visual img {
  width: 100%;
  border-radius: 34px;
  display: block;
  box-shadow: var(--shadow);
}

.section { padding: 76px 0; }
.section.compact { padding-top: 22px; }
.tinted { background: linear-gradient(180deg, #f1f7ff 0%, #edf6ff 100%); }
.tinted-soft { background: #f8fbff; }
.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding-top: 12px;
  padding-bottom: 8px;
}
.feature-row article {
  border-left: 1px solid var(--line);
  padding-left: 22px;
}
.feature-row article:first-child { border-left: none; }
.icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: #dbeafe;
  color: var(--blue);
  font-weight: 900;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.feature-row p, .panel p, .roadmap p, .access-card p { color: var(--muted); }
.alpha-grid, .roadmap-grid, .screenshot-grid {
  display: grid;
  gap: 22px;
  margin-top: 38px;
}
.alpha-grid { grid-template-columns: repeat(3, 1fr); }
.panel, .access-card, .roadmap-grid article, .screenshot-grid figure {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.055);
}
.panel { padding: 30px; }
.panel ul { margin: 18px 0 0; padding-left: 20px; color: #334155; }
.panel li { margin: 10px 0; }
.screenshots { background: white; }
.screenshot-grid { grid-template-columns: repeat(3, 1fr); align-items: start; }
.screenshot-grid figure { margin: 0; padding: 16px 16px 20px; text-align: center; }
.screenshot-grid img { width: 100%; height: auto; border-radius: 22px; display: block; }
.screenshot-grid figcaption { font-weight: 900; margin-top: 14px; color: #334155; }
.access-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 34px;
}
.access-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--green);
  color: white;
  font-size: 1.8rem;
  font-weight: 900;
}
.version a { color: var(--blue); font-weight: 800; word-break: break-word; }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  align-items: center;
}
.placeholder {
  margin-top: 20px;
  padding: 16px;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 16px;
  color: #475569;
}
.roadmap-grid { grid-template-columns: repeat(3, 1fr); }
.roadmap-grid article { padding: 30px; }
.roadmap-grid span {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--soft-green);
  color: var(--green-dark);
  font-weight: 900;
  margin-bottom: 18px;
}
.roadmap-grid strong {
  display: inline-block;
  margin-top: 16px;
  color: var(--blue);
  background: #dbeafe;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.82rem;
}
.notice-section {
  background: white;
}
.notice-layout {
  align-items: start;
}
.notice-layout > div:first-child p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.03rem;
}
.notice-panel {
  border-color: #bfdbfe;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.release-panel ul, .notice-panel ul {
  margin-top: 18px;
}
.release-panel li, .notice-panel li {
  padding-left: 2px;
}

.site-footer {
  padding: 38px 0;
  background: white;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 28px;
  align-items: start;
}
.footer-brand { align-self: start; }
.footer-note { color: var(--muted); margin-top: 0; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero { padding-top: 62px; }
  .hero-grid, .two-col, .access-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .feature-row, .alpha-grid, .screenshot-grid, .roadmap-grid { grid-template-columns: 1fr 1fr; }
  .feature-row article:nth-child(odd) { border-left: none; }
  .access-card { align-items: start; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .section { padding: 58px 0; }
  .hero-actions .button { width: 100%; }
  .feature-row, .alpha-grid, .screenshot-grid, .roadmap-grid, .footer-grid { grid-template-columns: 1fr; }
  .feature-row article { border-left: none; padding-left: 0; }
  h1 { font-size: clamp(3rem, 16vw, 4.45rem); }
  .button.large { width: 100%; }
}
