:root {
  --ink: #edf7fb;
  --muted: #9db1bc;
  --surface: #0b1c27;
  --surface-2: #102936;
  --line: rgba(143, 203, 221, 0.18);
  --cyan: #45d6de;
  --cyan-soft: #a9f6f3;
  --orange: #ff8a34;
  --night: #051018;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 6%, rgba(69, 214, 222, 0.12), transparent 31rem),
    linear-gradient(180deg, #07151f 0%, var(--night) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: 0.35rem;
  background: var(--cyan-soft);
  color: #041016;
  font-weight: 800;
  transform: translateY(-180%);
}

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

.site-header {
  width: min(var(--max), calc(100% - 2rem));
  min-height: 5.25rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(69, 214, 222, 0.5);
  border-radius: 0.55rem;
  color: var(--cyan-soft);
  background: rgba(69, 214, 222, 0.07);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.brand-copy small {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.build-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.build-status span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 0.3rem rgba(255, 138, 52, 0.12);
}

.hero {
  position: relative;
  width: min(var(--max), calc(100% - 2rem));
  min-height: calc(100vh - 5.25rem);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8.5rem) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.75fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 7rem);
}

.hero-grid {
  position: absolute;
  inset: 0 -10vw;
  z-index: -1;
  opacity: 0.34;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 70%, transparent);
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7.2vw, 6.7rem);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.lede {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: #bed0d8;
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  min-height: 3.25rem;
  padding: 0.85rem 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.text-link:focus-visible,
.brand:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.button.primary {
  background: var(--cyan-soft);
  color: #041016;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink);
}

.privacy-note {
  max-width: 42rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.build-card {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: linear-gradient(150deg, rgba(16, 41, 54, 0.92), rgba(7, 21, 31, 0.95));
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.build-card-head {
  padding: 1.15rem 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.build-card-head strong {
  color: var(--cyan-soft);
}

.progress-track {
  height: 0.28rem;
  background: rgba(255, 255, 255, 0.06);
}

.progress-track span {
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.build-list {
  margin: 0;
  padding: 0.75rem 1.25rem 1.15rem;
  list-style: none;
}

.build-list li {
  padding: 1.15rem 0;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.85rem;
  border-bottom: 1px solid var(--line);
  opacity: 0.5;
}

.build-list li:last-child {
  border-bottom: 0;
}

.build-list li.complete,
.build-list li.active {
  opacity: 1;
}

.build-list li > span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.build-list li.active > span {
  color: var(--orange);
}

.build-list div {
  display: grid;
}

.build-list strong {
  font-size: 0.95rem;
}

.build-list small {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.promise,
.separation,
footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.promise {
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 3rem;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.section-heading > p:last-child,
.separation p {
  color: var(--muted);
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.card-grid article {
  min-height: 20rem;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.card-number {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.card-grid h3 {
  margin: 4rem 0 1rem;
  font-size: 1.5rem;
  letter-spacing: -0.035em;
}

.card-grid p {
  color: var(--muted);
}

.separation {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  border-top: 1px solid var(--line);
}

.separation h2 {
  max-width: 10ch;
  margin-bottom: 0;
}

.separation > div:last-child {
  max-width: 34rem;
  align-self: end;
}

.text-link {
  display: inline-flex;
  gap: 0.5rem;
  color: var(--cyan-soft);
  font-weight: 800;
  text-underline-offset: 0.25rem;
}

footer {
  padding: 2rem 0 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer div {
  display: grid;
}

footer strong {
  color: var(--ink);
}

footer p {
  margin-bottom: 0;
  text-align: right;
}

@media (max-width: 850px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .build-card {
    max-width: 36rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card-grid article {
    min-height: auto;
  }

  .card-grid h3 {
    margin-top: 2.5rem;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 4.75rem;
  }

  .build-status {
    font-size: 0.68rem;
  }

  .brand-copy small {
    display: none;
  }

  h1 {
    font-size: clamp(2.85rem, 15vw, 4.2rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .separation {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  footer {
    flex-direction: column;
  }

  footer p {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}