/* Design system */
:root {
  --bg: #0b1220;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --faint: rgba(255, 255, 255, 0.58);

  --brand: #76e6c8;
  --brand-2: #7aa7ff;
  --danger: #ff6b6b;

  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.3);

  --radius: 16px;
  --radius-sm: 12px;
  --max: 1100px;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1000px 600px at 20% 10%, rgba(122, 167, 255, 0.16), transparent 55%),
    radial-gradient(900px 600px at 80% 20%, rgba(118, 230, 200, 0.14), transparent 55%),
    linear-gradient(180deg, #0a1020 0%, #070b14 100%);
  color: var(--text);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  background: #fff;
  color: #000;
  border-radius: 10px;
  transform: translateY(-140%);
  transition: transform 140ms ease;
  z-index: 50;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(7, 11, 20, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: 220px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(118, 230, 200, 0.22), rgba(122, 167, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-soft);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-tag {
  font-size: 12.5px;
  color: var(--faint);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid rgba(118, 230, 200, 0.6);
  outline-offset: 2px;
}

.nav-toggle-icon {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255, 255, 255, 0.86);
  margin: 0 auto;
  border-radius: 999px;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
}

.nav-toggle-icon::before {
  top: -6px;
}
.nav-toggle-icon::after {
  top: 6px;
}

.mobile-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 11, 20, 0.88);
}

.mobile-nav-inner {
  display: grid;
  gap: 8px;
  padding: 12px 0 18px;
}

.mobile-nav a {
  padding: 12px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 600;
}

.no-scroll {
  overflow: hidden;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 650;
  letter-spacing: -0.02em;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease, border 140ms ease;
}

.btn:focus-visible {
  outline: 2px solid rgba(118, 230, 200, 0.6);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(118, 230, 200, 1), rgba(122, 167, 255, 1));
  color: #031017;
  box-shadow: 0 14px 38px rgba(118, 230, 200, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 18px 46px rgba(118, 230, 200, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

/* Sections */
.section {
  padding: 84px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-head {
  display: grid;
  gap: 10px;
  max-width: 70ch;
  margin-bottom: 30px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: -0.04em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

/* Hero */
.hero {
  position: relative;
  padding: 78px 0 40px;
  overflow: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: start;
}

.hero-copy h1 {
  margin: 10px 0 12px;
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.82);
  font-weight: 600;
  font-size: 13px;
}

.lede {
  margin: 0;
  font-size: 16.5px;
  color: var(--muted);
  max-width: 62ch;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.trust-item {
  padding: 14px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.trust-kpi {
  display: block;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.trust-label {
  display: block;
  margin-top: 4px;
  color: var(--faint);
  font-size: 12.5px;
}

.hero-card {
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card-top {
  padding: 18px 18px 0;
}

.hero-card-title {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-card-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.checklist {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 18px 8px;
  display: grid;
  gap: 10px;
}

.checklist li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 540;
}

.check {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  margin-top: 2px;
  background: rgba(118, 230, 200, 0.22);
  border: 1px solid rgba(118, 230, 200, 0.4);
  position: relative;
}

.check::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 3px;
  width: 6px;
  height: 9px;
  border-right: 2px solid rgba(255, 255, 255, 0.9);
  border-bottom: 2px solid rgba(255, 255, 255, 0.9);
  transform: rotate(42deg);
}

.hero-card-bottom {
  padding: 10px 18px 18px;
}

.fineprint {
  margin: 0;
  color: var(--faint);
  font-size: 12.5px;
}

.hero-bg {
  position: absolute;
  inset: auto -20% -34% -20%;
  height: 520px;
  background: radial-gradient(400px 220px at 20% 20%, rgba(118, 230, 200, 0.2), transparent 60%),
    radial-gradient(450px 260px at 80% 10%, rgba(122, 167, 255, 0.18), transparent 60%),
    radial-gradient(520px 320px at 50% 80%, rgba(255, 255, 255, 0.08), transparent 62%);
  filter: blur(14px);
  pointer-events: none;
  z-index: -1;
}

/* Cards & steps */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.steps {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.88);
}

.step h4 {
  margin: 0;
  letter-spacing: -0.03em;
}

.step p {
  margin: 8px 0 0;
  color: var(--muted);
}

/* Use cases */
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.use-case {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

.use-case h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.use-case p {
  margin: 10px 0 0;
  color: var(--muted);
}

.use-case ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.8);
}

.use-case li {
  margin: 6px 0;
}

/* Figure */
.figure {
  margin: 0;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  box-shadow: var(--shadow-soft);
}

.figure img {
  border-radius: calc(var(--radius) + 2px);
  width: 100%;
  height: auto;
}

.figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

/* CTA */
.cta {
  padding: 78px 0;
}

.cta-inner {
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: radial-gradient(700px 320px at 15% 30%, rgba(118, 230, 200, 0.16), transparent 60%),
    radial-gradient(700px 320px at 85% 10%, rgba(122, 167, 255, 0.16), transparent 60%),
    rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 22px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: start;
}

.cta-inner h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -0.04em;
}

.cta-inner p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 65ch;
}

.form {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 11, 20, 0.55);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.form label {
  display: grid;
  gap: 6px;
}

.form span {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 12px 12px;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(122, 167, 255, 0.45);
  outline-offset: 2px;
}

/* Footer */
.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.12);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  align-items: center;
  gap: 14px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-name {
  font-weight: 750;
  letter-spacing: -0.03em;
}

.footer-tag {
  color: var(--faint);
  font-size: 12.5px;
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.footer-meta {
  text-align: right;
  color: var(--faint);
  font-size: 12.5px;
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .trust-row {
    grid-template-columns: 1fr;
  }

  .cards,
  .steps,
  .use-cases {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .footer-meta {
    text-align: left;
  }

  .nav {
    display: none;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }
}