@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg: #050b12;
  --bg-soft: #09131f;
  --surface: rgba(14, 27, 42, 0.82);
  --surface-strong: #101d2b;
  --line: rgba(148, 196, 221, 0.16);
  --line-strong: rgba(42, 196, 255, 0.38);
  --text: #f4f8fb;
  --muted: #9eb0bf;
  --accent: #28c4ff;
  --accent-2: #4f7cff;
  --success: #4be4a5;
  --danger: #ff647c;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --container: min(1180px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% -10%, rgba(40, 196, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 95% 15%, rgba(79, 124, 255, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

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

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: #001018;
  background: var(--accent);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  color: #001018;
  background: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  background: rgba(5, 11, 18, 0.72);
  backdrop-filter: blur(18px);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(5, 11, 18, 0.92);
  box-shadow: 0 12px 35px rgba(0,0,0,0.22);
}

.nav-shell {
  width: var(--container);
  min-height: 78px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 148px;
  max-height: 52px;
  object-fit: contain;
  object-position: left center;
}

.brand-mark {
  width: 42px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(40,196,255,0.18), rgba(79,124,255,0.08));
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  box-shadow: inset 0 1px rgba(255,255,255,0.08);
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.96rem;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.active,
.site-nav a[aria-current='page'] {
  color: var(--text);
  background: rgba(40, 196, 255, 0.09);
}

.site-nav a:hover {
  transform: translateY(-1px);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: '';
  width: 20px;
  height: 2px;
  display: block;
  border-radius: 99px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span {
  margin-block: 5px;
}

.nav-toggle[aria-expanded='true'] span {
  opacity: 0;
}

.nav-toggle[aria-expanded='true']::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true']::after {
  transform: translateY(-7px) rotate(-45deg);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding-block: clamp(76px, 9vw, 124px);
}

.section--tight {
  padding-block: clamp(48px, 6vw, 84px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 12px currentColor;
}

.display-title,
.section-title,
h1,
h2,
h3 {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.03em;
}

.display-title {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.98;
}

.display-title .accent,
.section-title .accent {
  color: var(--accent);
}

.section-head {
  max-width: 750px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-title {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 4.4rem);
  line-height: 1.05;
}

.lead,
.section-copy {
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.section-copy {
  max-width: 640px;
  margin: 18px 0 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: #001018;
  background: linear-gradient(135deg, var(--accent), #74dcff);
  box-shadow: 0 14px 34px rgba(40,196,255,0.18);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(40,196,255,0.26);
}

.btn--secondary {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(11, 25, 39, 0.62);
  box-shadow: none;
}

.btn--secondary:hover {
  border-color: var(--accent);
  background: rgba(40,196,255,0.09);
}

.btn--small {
  min-height: 42px;
  padding: 9px 14px;
  font-size: 0.88rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.025);
  font-size: 0.78rem;
  font-weight: 700;
}

.pill::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.045), transparent 40%),
    var(--surface);
  box-shadow: var(--shadow);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(3, 8, 13, 0.68);
}

.footer-shell {
  width: var(--container);
  min-height: 104px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.75,.2,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.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;
}

:focus-visible {
  outline: 3px solid rgba(40, 196, 255, 0.8);
  outline-offset: 4px;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    display: grid;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(5, 11, 18, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 12px 14px;
  }
}

@media (max-width: 620px) {
  :root {
    --container: min(100% - 28px, 1180px);
  }

  .brand img {
    width: 118px;
  }

  .brand-copy span {
    display: none;
  }

  .button-row .btn {
    flex: 1 1 100%;
  }

  .footer-shell {
    padding-block: 28px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}