:root {
  --black-deep: #0b0b0d;
  --black-soft: #1a1a1f;
  --graphite: #2f2f36;
  --gray-medium: #6b6b76;
  --gray-light: #d9d9df;
  --white: #ffffff;

  --blue: #2563eb;
  --green: #10b981;
  --red: #ef4444;
  --purple: #7c3aed;
  --premium: #0f172a;

  --radius-lg: 1.125rem;
  --radius-md: 0.75rem;
  --border-subtle: 1px solid rgba(217, 217, 223, 0.16);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Sora", system-ui, -apple-system, sans-serif;
  color: var(--white);
  background: linear-gradient(180deg, var(--premium) 0%, var(--black-deep) 42%, #08080a 100%);
  line-height: 1.55;
}

.ambient-glow {
  position: fixed;
  inset: -30vh auto auto -20vw;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, rgba(124, 58, 237, 0.1) 35%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  filter: blur(8px);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(11, 11, 13, 0.72);
  border-bottom: var(--border-subtle);
}

.topbar-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  gap: 0.625rem;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  font-family: "JetBrains Mono", monospace;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.brand-text {
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.menu {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.menu a {
  text-decoration: none;
  color: var(--gray-light);
  font-size: 0.92rem;
}

.menu a:hover {
  color: var(--white);
}

.hero {
  padding-top: 7.2rem;
  padding-bottom: 6rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-family: "JetBrains Mono", monospace;
  color: var(--green);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2rem, 5.5vw, 4.15rem);
  max-width: 15ch;
  line-height: 1.04;
}

.lead {
  margin: 1.5rem 0 0;
  max-width: 63ch;
  color: var(--gray-light);
  font-size: clamp(1.02rem, 1.85vw, 1.19rem);
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.72rem 1.1rem;
  transition: all 180ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(120deg, var(--blue), #3b82f6);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.45);
}

.btn-outline {
  color: var(--white);
  border-color: rgba(217, 217, 223, 0.35);
  background: rgba(255, 255, 255, 0.02);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-ghost {
  color: var(--gray-light);
  border-color: rgba(107, 107, 118, 0.45);
  background: rgba(11, 11, 13, 0.4);
}

.btn-ghost:hover {
  color: var(--white);
  border-color: rgba(217, 217, 223, 0.4);
}

.btn-danger {
  color: var(--white);
  background: linear-gradient(140deg, var(--purple), var(--red));
  box-shadow: 0 10px 24px rgba(239, 68, 68, 0.28);
}

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

.signal-row {
  margin-top: 2.2rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.signal-row span {
  padding: 0.44rem 0.74rem;
  border: var(--border-subtle);
  border-radius: 999px;
  color: var(--gray-light);
  font-size: 0.78rem;
  background: rgba(26, 26, 31, 0.5);
}

.section {
  padding: 5.5rem 0;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.5rem);
  max-width: 20ch;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(26, 26, 31, 0.78), rgba(11, 11, 13, 0.92));
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 220px;
  box-shadow: var(--shadow-soft);
}

.card h3 {
  font-size: 1.22rem;
}

.card p {
  margin: 0;
  color: var(--gray-light);
}

.tag {
  display: inline-block;
  width: fit-content;
  margin-top: auto;
  border-radius: 999px;
  padding: 0.32rem 0.55rem;
  font-size: 0.76rem;
  font-family: "JetBrains Mono", monospace;
  border: 1px solid transparent;
}

.tag-blue {
  color: #93c5fd;
  border-color: rgba(37, 99, 235, 0.45);
}

.tag-green {
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.45);
}

.tag-purple {
  color: #c4b5fd;
  border-color: rgba(124, 58, 237, 0.45);
}

.section-light {
  background: var(--white);
  color: var(--black-deep);
}

.section-light .eyebrow {
  color: var(--blue);
}

.dark-heading h2 {
  color: var(--black-deep);
}

.steps {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps article {
  border-radius: var(--radius-md);
  background: #f4f6ff;
  padding: 1rem;
  border: 1px solid #dce2ff;
}

.steps span {
  font-family: "JetBrains Mono", monospace;
  color: var(--blue);
  font-size: 0.82rem;
}

.steps h3 {
  margin-top: 0.5rem;
  font-size: 1rem;
}

.steps p {
  margin: 0.4rem 0 0;
  color: #374151;
}

.highlights {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.highlights article {
  border: var(--border-subtle);
  background: rgba(26, 26, 31, 0.65);
  padding: 1.2rem;
  border-radius: var(--radius-md);
}

.highlights h3 {
  margin-top: 0.8rem;
  color: var(--gray-light);
  font-size: 1rem;
  line-height: 1.5;
}

.mono {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  color: #a5b4fc;
  font-size: 0.8rem;
}

.section-cta {
  padding-top: 1rem;
  padding-bottom: 6rem;
}

.cta-box {
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.72), rgba(11, 11, 13, 0.94));
}

.cta-box h2 {
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  margin-top: 0.4rem;
}

.cta-box p {
  max-width: 56ch;
  color: var(--gray-light);
}

.footer {
  border-top: var(--border-subtle);
  padding: 1.2rem 0 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
  color: var(--gray-medium);
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 980px) {
  .card-grid,
  .highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    min-height: 70px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.9rem 0;
  }

  .menu {
    width: 100%;
    justify-content: center;
    order: 3;
  }

  .hero {
    padding-top: 5.7rem;
    padding-bottom: 4.4rem;
  }

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

  .section {
    padding: 4rem 0;
  }
}