:root {
  --bg: #f0eadf;
  --paper: #fffdf7;
  --ink: #0f1720;
  --muted: #4d5a66;
  --line: #101820;
  --accent: #0ea5e9;
  --accent-2: #f97316;
  --radius: 20px;
  --shadow: 0 12px 40px rgba(16, 24, 32, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, #fff6de 0, #fff6de 18%, transparent 19%),
    radial-gradient(circle at 90% 75%, #dff3ff 0, #dff3ff 15%, transparent 16%),
    var(--bg);
  line-height: 1.5;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.2;
  z-index: -1;
  background-image: radial-gradient(rgba(16, 24, 32, 0.06) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(240, 234, 223, 0.84);
  border-bottom: 2px solid var(--line);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.brand {
  margin: 0;
  font-family: "Archivo", sans-serif;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.hero {
  padding: 3.5rem 0 2rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
  align-items: stretch;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0a4a67;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  font-family: "Archivo", sans-serif;
}

h1 {
  margin-top: 0.5rem;
  font-size: clamp(2.2rem, 6.8vw, 5rem);
  letter-spacing: -0.03em;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

.lead {
  margin: 1rem 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.meta {
  margin-top: 1rem;
  color: #274255;
  font-size: 0.9rem;
  font-weight: 600;
}

.hero__actions {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border: 2px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: linear-gradient(135deg, #ffd24d, var(--accent-2));
  font-weight: 700;
  text-decoration: none;
  transition: transform 140ms ease;
}

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

.btn--ghost {
  background: var(--paper);
}

.card {
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card--hero {
  background: linear-gradient(170deg, #e8f6ff, #fef8ee);
}

.card__label {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 700;
  color: #0b5f89;
}

.card ul,
.check-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.5rem;
}

.section {
  padding: 2.2rem 0;
}

.section--tint {
  background: rgba(255, 255, 255, 0.55);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.feature-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid p,
.cta p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.spec-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.spec {
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  display: grid;
  gap: 0.2rem;
}

.spec span {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #31546a;
  font-weight: 700;
}

.spec strong {
  font-size: 1.02rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.section--cta {
  padding-top: 3rem;
}

.cta {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, #fff8e1, #eaf6ff);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.footer {
  border-top: 2px solid var(--line);
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, 0.55);
}

.footer__inner {
  padding: 1rem 0 1.3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero__grid,
  .feature-grid,
  .spec-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.4rem;
  }
}