:root {
  --bg-0: #0c0d0e;
  --bg-1: #141618;
  --bg-radial-1: #3a3f45;
  --bg-radial-2: #24272a;
  --surface: rgba(54, 58, 62, 0.46);
  --surface-strong: rgba(42, 45, 48, 0.78);
  --border: #4b4f53;
  --border-strong: #787d82;
  --ink-0: #f3f4f5;
  --ink-1: #c7cace;
  --ink-2: #9a9ea2;
  --ink-3: #74787c;
  --glow: #a5aeb6;
  --spark: #f4f6f7;
  --warn: #ff9db0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --gutter: max(16px, calc((100vw - 1180px) / 2));
}

* { box-sizing: border-box; }

html { background: var(--bg-0); }

body {
  margin: 0;
  background: var(--bg-1);
  background-image:
    radial-gradient(circle at 50% -10%, var(--bg-radial-1) 0%, var(--bg-radial-2) 32%, var(--bg-1) 62%, var(--bg-0) 100%);
  background-attachment: fixed;
  color: var(--ink-0);
  font-family: "Inter", -apple-system, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-inline: var(--gutter);
  padding-block: calc(env(safe-area-inset-top, 0px) + 0px) calc(env(safe-area-inset-bottom, 0px) + 0px);
}

h1, h2, h3 {
  font-family: "Sora", "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0;
  color: var(--ink-0);
}

a { color: inherit; }

p { color: var(--ink-1); }

img, svg { max-width: 100%; }

.container { max-width: 1180px; margin-inline: auto; }

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark { width: 30px; height: 30px; flex: none; }

.brand-name {
  font-family: "Sora", sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-0);
}

.site-nav { display: flex; align-items: center; gap: 28px; }

.site-nav a {
  text-decoration: none;
  color: var(--ink-1);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.site-nav a:hover { color: var(--ink-0); }

.nav-cta {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 9px 18px;
  background: var(--surface-strong);
  color: var(--ink-0) !important;
  font-size: 13px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(180deg, #e9ecee, #b9c0c6);
  color: #15171a;
  box-shadow: 0 10px 30px rgba(165, 174, 182, 0.25);
}

.btn-primary:hover { box-shadow: 0 10px 34px rgba(165, 174, 182, 0.4); }

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--ink-0);
}

.btn-ghost:hover { border-color: var(--ink-1); }

.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.btn small { font-weight: 400; opacity: 0.75; }

/* ---------- hero ---------- */

.hero {
  padding-block: 64px 90px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}

.eyebrow i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 8px var(--glow);
  font-style: normal;
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.08;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, #ffffff, #9aa1a8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lede {
  font-size: 17px;
  color: var(--ink-1);
  max-width: 46ch;
  margin-top: 20px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero-meta {
  margin-top: 18px;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

.hero-visual {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 320px;
}

.hero-spark {
  width: min(70%, 280px);
  filter: drop-shadow(0 0 40px rgba(165, 174, 182, 0.45));
  animation: spark-pulse 5s ease-in-out infinite;
}

@keyframes spark-pulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 30px rgba(165, 174, 182, 0.35)); }
  50% { transform: scale(1.045); filter: drop-shadow(0 0 54px rgba(165, 174, 182, 0.55)); }
}

.hero-ring {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 86%;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 50%;
}

@media (prefers-reduced-motion: reduce) {
  .hero-spark { animation: none; }
}

/* ---------- sections ---------- */

section { padding-block: 70px; }

.section-head {
  max-width: 62ch;
  margin-bottom: 40px;
}

.section-head .eyebrow { margin-bottom: 14px; }

.section-head h2 { font-size: clamp(26px, 3vw, 34px); }

.section-head p { margin-top: 14px; font-size: 15.5px; }

/* capability grid */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: linear-gradient(160deg, var(--surface), rgba(27, 30, 32, 0.6));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
}

.card .card-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(65, 69, 73, 0.65);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  font-size: 17px;
}

.card h3 { font-size: 16px; margin-bottom: 8px; }
.card p { font-size: 13.5px; margin: 0; }

/* scenarios */

.scenarios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.scenario {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  background: var(--surface);
}

.scenario strong { display: block; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 12px; }
.scenario p { font-size: 14.5px; margin: 0; }

/* pricing */

.plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.plan {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface);
  position: relative;
}

.plan.is-featured {
  border-color: var(--border-strong);
  background: var(--surface-strong);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.plan-badge {
  position: absolute;
  top: -12px; left: 22px;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--ink-0); color: #15171a;
  padding: 5px 10px; border-radius: 999px; font-weight: 700;
}

.plan-name { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }

.plan-price { font-family: "Sora", sans-serif; font-size: 30px; color: var(--ink-0); }
.plan-price span { font-size: 13px; color: var(--ink-2); font-family: "Inter", sans-serif; }

.plan-annual { font-size: 12px; color: var(--ink-3); margin-top: -10px; }

.plan-for { font-size: 13px; color: var(--ink-1); min-height: 36px; }

.plan-features { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; flex: 1; }

.plan-features li {
  font-size: 13px; color: var(--ink-1);
  padding-left: 18px; position: relative;
}

.plan-features li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 6px; height: 6px; border-radius: 1px;
  background: var(--glow);
  transform: rotate(45deg);
}

.plan-note { font-size: 11.5px; color: var(--ink-3); margin-top: -4px; }

/* download */

.download-panel {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
}

.download-info h2 { font-size: 24px; }
.download-info p { margin-top: 10px; font-size: 14px; }

#dl-status { font-size: 12px; color: var(--ink-3); margin-top: 14px; }

.download-cta { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }

/* support */

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.support-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  background: var(--surface);
}

.support-card h3 { font-size: 15px; margin-bottom: 8px; }
.support-card p { font-size: 13.5px; }
.support-card a.btn { margin-top: 12px; }

/* footer */

footer {
  border-top: 1px solid var(--border);
  padding-block: 30px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--ink-3);
}

footer a { color: var(--ink-2); text-decoration: none; }
footer a:hover { color: var(--ink-0); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* legal pages */

.legal {
  max-width: 76ch;
  margin-inline: auto;
  padding-block: 50px 90px;
}

.legal h1 { font-size: 28px; margin-bottom: 6px; }
.legal .updated { font-size: 12.5px; color: var(--ink-3); margin-bottom: 30px; }
.legal h2 { font-size: 18px; margin-top: 34px; margin-bottom: 10px; }
.legal p, .legal li { font-size: 14.5px; color: var(--ink-1); line-height: 1.7; }
.legal ul { padding-left: 20px; }
.legal a { color: var(--ink-0); text-decoration: underline; text-underline-offset: 2px; }
.legal em.draft-note {
  display: block;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 30px;
}

/* responsive */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 220px; }
  .grid-3, .scenarios { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .download-panel { grid-template-columns: 1fr; }
  .download-cta { align-items: stretch; }
}

@media (max-width: 620px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .grid-3, .scenarios, .plans { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}