:root {
  --background: hsl(210 22% 95%);
  --foreground: hsl(222 30% 15%);
  --card: hsl(210 25% 98%);
  --surface: hsl(210 26% 97%);
  --muted: hsl(215 17% 42%);
  --border: hsl(214 15% 79%);
  --primary: hsl(188 74% 29%);
  --primary-soft: hsl(188 74% 29% / .1);
  --violet: #7c3aed;
  --cyan: #0891b2;
  --max: 1280px;
  color-scheme: light;
}

.dark {
  --background: hsl(224 40% 6%);
  --foreground: hsl(210 40% 98%);
  --card: hsl(222 47% 11%);
  --surface: hsl(222 43% 9%);
  --muted: hsl(215 20% 68%);
  --border: hsl(217 33% 17%);
  --primary: hsl(188 86% 53%);
  --primary-soft: hsl(188 86% 53% / .12);
  --violet: #a78bfa;
  --cyan: #22d3ee;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--foreground);
  font-family: "Plus Jakarta Sans", Inter, Arial, sans-serif;
  line-height: 1.65;
  transition: background-color .2s ease, color .2s ease;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 0%, hsl(188 86% 53% / .1), transparent 35rem),
    radial-gradient(circle at 88% 23%, hsl(270 85% 63% / .07), transparent 30rem),
    linear-gradient(hsl(188 75% 46% / .025) 1px, transparent 1px),
    linear-gradient(90deg, hsl(188 75% 46% / .025) 1px, transparent 1px);
  background-size: auto, auto, 68px 68px, 68px 68px;
  mask-image: linear-gradient(to bottom, black 0, black 48%, transparent 94%);
}
.dark body::before {
  background:
    radial-gradient(circle at 50% 0%, hsl(188 86% 53% / .13), transparent 35rem),
    radial-gradient(circle at 88% 23%, hsl(270 85% 63% / .1), transparent 30rem),
    linear-gradient(hsl(188 85% 62% / .035) 1px, transparent 1px),
    linear-gradient(90deg, hsl(188 85% 62% / .035) 1px, transparent 1px);
  background-size: auto, auto, 68px 68px, 68px 68px;
}
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
strong { color: var(--foreground); }
h1, h2, h3 {
  margin: 0 0 1rem;
  color: var(--foreground);
  font-family: "Space Grotesk", "Plus Jakarta Sans", Arial, sans-serif;
  line-height: 1.14;
  letter-spacing: -.045em;
}
h1 { font-size: clamp(2.45rem, 6vw, 5.2rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.15rem; letter-spacing: -.025em; }
ul, ol { margin: .75rem 0 0; padding-left: 1.2rem; color: var(--muted); }
li { margin: .45rem 0; }

.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 62%, transparent);
  background: color-mix(in srgb, var(--background) 82%, transparent);
  backdrop-filter: blur(20px);
}
.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  white-space: nowrap;
  color: var(--foreground);
  font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand img {
  width: 36px;
  height: 36px;
  padding: 4px;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 2px 10px hsl(222 35% 10% / .08);
}
.dark .brand img { box-shadow: 0 0 12px rgba(255, 255, 255, .23); }
.brand strong { color: var(--primary); }
.nav {
  display: flex;
  gap: .1rem;
  margin-left: auto;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 500;
}
.nav a {
  border-radius: 999px;
  padding: .4rem .85rem;
  transition: color .18s ease, background-color .18s ease;
}
.nav a:hover, .footer a:hover {
  color: var(--foreground);
  background: color-mix(in srgb, var(--foreground) 5%, transparent);
}
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-left: .4rem;
}
.theme-toggle {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--card) 62%, transparent);
  color: color-mix(in srgb, var(--foreground) 82%, transparent);
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.theme-toggle:hover {
  color: var(--foreground);
  background: var(--card);
  border-color: var(--primary);
}
.theme-icon { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon.sun { display: none; }
.dark .theme-icon.sun { display: block; }
.dark .theme-icon.moon { display: none; }
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border-radius: 999px;
  padding: 0 1.2rem;
  background: var(--foreground);
  color: var(--background);
  font-size: .92rem;
  font-weight: 700;
  transition: opacity .2s ease, transform .2s ease, border-color .2s ease, background .2s ease;
}
.header-actions .button {
  min-height: 38px;
  padding: 0 1rem;
  font-size: .83rem;
}
.button:hover { opacity: .9; transform: translateY(-1px); }
.button.alt {
  color: var(--foreground);
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
}
.button.alt:hover {
  opacity: 1;
  border-color: color-mix(in srgb, var(--foreground) 30%, transparent);
  background: color-mix(in srgb, var(--foreground) 4%, transparent);
}

.hero { padding: clamp(7.7rem, 14vw, 10.5rem) 0 clamp(4.5rem, 8vw, 6.75rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, .96fr);
  gap: clamp(2rem, 6vw, 4.25rem);
  align-items: center;
}
.hero .wrap:not(.hero-grid) { max-width: 930px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 999px;
  margin-bottom: 1.25rem;
  padding: .27rem .72rem;
  color: var(--primary);
  background: var(--primary-soft);
  font: 700 .71rem/1.5 "Plus Jakarta Sans", sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.gradient-text {
  background: linear-gradient(120deg, var(--primary), var(--cyan) 48%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1.01rem, 2vw, 1.14rem);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}
.visual {
  overflow: hidden;
  padding: 1.15rem;
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  border-radius: 26px;
  background: linear-gradient(138deg, color-mix(in srgb, var(--card) 85%, transparent), var(--primary-soft));
  box-shadow: 0 28px 75px hsl(222 35% 12% / .08);
}
.dark .visual { box-shadow: 0 25px 70px rgba(0, 0, 0, .3); }
.visual-head {
  display: flex;
  gap: .38rem;
  padding: .25rem 0 1rem;
  border-bottom: 1px solid var(--border);
}
.visual-head span {
  width: .58rem;
  height: .58rem;
  border-radius: 50%;
  background: var(--border);
}
.visual-head span:first-child { background: hsl(350 72% 58% / .7); }
.visual-head span:nth-child(2) { background: hsl(42 90% 56% / .74); }
.visual-head span:last-child { background: hsl(155 66% 45% / .75); }
.metric {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .72rem;
  padding: .82rem .92rem;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 68%, transparent);
  color: var(--muted);
  font-size: .88rem;
}
.metric b { color: var(--primary); text-align: right; }

.section {
  position: relative;
  padding: clamp(3.8rem, 7vw, 6.25rem) 0;
  border-top: 1px solid color-mix(in srgb, var(--border) 45%, transparent);
}
.section-title { max-width: 760px; margin-bottom: 2.4rem; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
}
.card, .panel, .step, .faq article {
  border: 1px solid color-mix(in srgb, var(--border) 68%, transparent);
  background: color-mix(in srgb, var(--card) 58%, transparent);
}
.card {
  min-height: 188px;
  padding: 1.55rem;
  border-radius: 24px;
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
  background: color-mix(in srgb, var(--card) 85%, transparent);
}
.card small {
  display: block;
  margin-bottom: .8rem;
  color: var(--primary);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .18em;
}
.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.panel {
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: 27px;
}
.steps { counter-reset: step; display: grid; gap: .75rem; }
.step {
  display: flex;
  gap: .9rem;
  padding: 1rem;
  border-radius: 16px;
  background: color-mix(in srgb, var(--background) 64%, transparent);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  flex: none;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
}
.faq { display: grid; gap: .78rem; }
.faq article {
  padding: 1.28rem 1.4rem;
  border-radius: 18px;
}
.faq h3 { margin-bottom: .42rem; }
.faq p:last-child, .card p:last-child, .panel p:last-child { margin-bottom: 0; }
.cta {
  overflow: hidden;
  padding: clamp(2.2rem, 6vw, 4rem);
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 0%, var(--primary-soft), transparent 55%),
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 8%, var(--card)), color-mix(in srgb, var(--violet) 8%, var(--card)));
  text-align: center;
}
.cta p { max-width: 670px; margin-right: auto; margin-left: auto; }
.cta .actions { justify-content: center; }

.footer {
  margin-top: clamp(2rem, 5vw, 4rem);
  padding: 3.25rem 0 1.7rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
  background: color-mix(in srgb, var(--card) 22%, transparent);
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.55fr) repeat(2, minmax(150px, .75fr));
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: 2.3rem;
}
.footer .brand { margin-bottom: 1rem; }
.footer-copy { max-width: 395px; font-size: .9rem; }
.footer-title {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  font-size: .9rem;
}
.footer-links a:hover { background: transparent; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.55rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  font-size: .76rem;
}
.footer-tag {
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .23em;
}

@media (max-width: 900px) {
  .hero-grid, .two { grid-template-columns: 1fr; }
  .hero-grid .visual { order: -1; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .wrap { width: min(var(--max), calc(100% - 1.5rem)); }
  .brand span { display: none; }
  .header-actions { margin-left: auto; }
  .header-actions .button { padding: 0 .85rem; }
  .hero { padding-top: 6.5rem; }
  .cards, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}