:root {
  --ink: #14201c;
  --ink-soft: #2a3a34;
  --paper: #eef3ef;
  --mist: #d5e0d8;
  --accent: #c45c26;
  --accent-deep: #9a4015;
  --glow: #7eb89a;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(126, 184, 154, 0.45), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(196, 92, 38, 0.22), transparent 50%),
    linear-gradient(165deg, #f7faf7 0%, #e4ece6 45%, #d8e4dc 100%);
  animation: atmosphere-shift 18s ease-in-out infinite alternate;
}

@keyframes atmosphere-shift {
  from {
    filter: hue-rotate(0deg) saturate(1);
  }
  to {
    filter: hue-rotate(-8deg) saturate(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .atmosphere {
    animation: none;
  }
  .hero .brand-lockup,
  .hero h1,
  .hero .lede,
  .hero .cta-row,
  .hero-plane {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: 1120px;
  margin: 0 auto;
}

.mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s ease;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent-deep);
}

.nav-cta {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(2rem, 8vh, 5rem) clamp(1.25rem, 4vw, 3rem) 4rem;
  min-height: calc(100vh - 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-lockup {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
  color: var(--ink);
  animation: rise 0.9s ease both;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin: 0 0 1rem;
  color: var(--ink-soft);
  animation: rise 0.9s ease 0.12s both;
}

.lede {
  max-width: 38rem;
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: var(--ink-soft);
  animation: rise 0.9s ease 0.22s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  animation: rise 0.9s ease 0.32s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 0.55rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn.primary {
  background: var(--accent);
  color: #fffaf6;
}

.btn.primary:hover {
  background: var(--accent-deep);
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn.ghost:hover {
  background: rgba(20, 32, 28, 0.06);
}

.hero-plane {
  position: relative;
  margin-left: calc(-1 * clamp(1.25rem, 4vw, 3rem));
  margin-right: calc(-1 * clamp(1.25rem, 4vw, 3rem));
  width: calc(100% + 2 * clamp(1.25rem, 4vw, 3rem));
  min-height: 220px;
  background:
    linear-gradient(135deg, #1a2b24 0%, #243830 40%, #1e3329 100%);
  color: #d7ebe0;
  overflow: hidden;
  animation: plane-in 1.1s ease 0.4s both;
}

.plane-grain {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.plane-code {
  position: relative;
  margin: 0;
  padding: clamp(1.75rem, 5vw, 3rem);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: clamp(0.9rem, 2.2vw, 1.15rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.chapter {
  max-width: 800px;
  margin: 0 auto;
  padding: 4.5rem clamp(1.25rem, 4vw, 3rem);
}

.chapter h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.support {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  max-width: 36rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--mist);
}

.step-num {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 700;
}

.steps strong {
  display: block;
  margin-bottom: 0.25rem;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
}

.pillars {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  display: grid;
  gap: 0.75rem;
}

.install-blocks {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.install-card {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--mist);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.45);
}

.install-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.install-code {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  border-radius: 0.5rem;
  background: #1a2b24;
  color: #d7ebe0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.65;
}

.install-note a {
  color: var(--accent-deep);
  font-weight: 500;
}

.climax {
  padding-bottom: 5rem;
}

.waitlist {
  display: grid;
  gap: 1rem;
  max-width: 28rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.field input {
  font: inherit;
  padding: 0.85rem 1rem;
  border: 1px solid var(--mist);
  border-radius: 0.55rem;
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink);
  transition: border-color 0.2s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.honeypot {
  position: absolute;
  left: -10000px;
}

footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  border-top: 1px solid var(--mist);
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes plane-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  nav a:not(.nav-cta) {
    display: none;
  }

  .hero h1 {
    max-width: none;
  }
}