:root {
  color-scheme: dark;
  --bg: #11100c;
  --bg-soft: #191812;
  --panel: #201f18;
  --panel-strong: #29271e;
  --text: #f7f2e8;
  --muted: #b7ae9c;
  --line: rgba(247, 242, 232, 0.16);
  --green: #74d99f;
  --cyan: #62cbe1;
  --amber: #f0b866;
  --shadow: rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 80% 0%, rgba(116, 217, 159, 0.16), transparent 26rem),
    linear-gradient(180deg, #11100c 0%, #17150f 44%, #11100c 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 2rem;
  background: rgba(17, 16, 12, 0.58);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition:
    background 160ms ease,
    border-color 160ms ease;
}

.site-header.is-scrolled {
  background: rgba(17, 16, 12, 0.9);
  border-color: var(--line);
}

.brand,
.nav-links,
.hero-actions,
.hero-stats,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.05rem;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(116, 217, 159, 0.55);
  border-radius: 0.35rem;
  background: linear-gradient(135deg, rgba(116, 217, 159, 0.2), rgba(98, 203, 225, 0.16));
  color: var(--green);
}

.nav-links {
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.nav-links a,
.footer a {
  transition: color 140ms ease;
}

.nav-links a:hover,
.footer a:hover {
  color: var(--text);
}

.header-action,
.button,
.copy-button {
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease;
}

.header-action {
  padding: 0.65rem 0.9rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.header-action:hover,
.button:hover,
.copy-button:hover {
  transform: translateY(-1px);
  border-color: rgba(116, 217, 159, 0.54);
}

.hero {
  position: relative;
  display: flex;
  min-height: 78svh;
  padding: 8.2rem 2rem 5rem;
  overflow: hidden;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("assets/hero-nodevalt.png");
  background-position: center right;
  background-size: cover;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(17, 16, 12, 0.94) 0%, rgba(17, 16, 12, 0.78) 38%, rgba(17, 16, 12, 0.2) 74%),
    linear-gradient(180deg, rgba(17, 16, 12, 0.15) 0%, rgba(17, 16, 12, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, 1180px);
  margin: auto;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  line-height: 1;
  letter-spacing: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 1.25rem;
  font-size: 4.9rem;
}

h2 {
  margin-bottom: 0;
  font-size: 2.45rem;
}

h3 {
  margin-bottom: 0.85rem;
  font-size: 1.2rem;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  max-width: 42rem;
  margin-bottom: 1.8rem;
  color: #dfd7c8;
  font-size: 1.16rem;
}

.hero-copy code {
  color: var(--text);
}

.hero-actions {
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.82rem 1rem;
}

.button.primary {
  border-color: rgba(116, 217, 159, 0.6);
  background: var(--green);
  color: #10140f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.hero-stats {
  flex-wrap: wrap;
  gap: 0.65rem;
  max-width: 45rem;
}

.hero-stats span {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: rgba(17, 16, 12, 0.55);
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-stats strong {
  color: var(--text);
}

.section {
  padding: 5rem 2rem;
  border-top: 1px solid var(--line);
}

.intro {
  padding-top: 3.2rem;
}

.section-inner {
  width: min(100%, 1180px);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: end;
}

.split p:last-child {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 2.4rem;
}

.section-heading.compact {
  margin-bottom: 1.6rem;
}

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

.feature-card {
  min-height: 15rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    var(--panel);
  box-shadow: 0 1rem 2.6rem var(--shadow);
}

.feature-card p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

.step {
  display: block;
  margin-bottom: 2.8rem;
  color: var(--amber);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
}

.install-band {
  background:
    linear-gradient(135deg, rgba(116, 217, 159, 0.12), transparent 28rem),
    linear-gradient(180deg, var(--bg-soft), #12110d);
}

.install-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: center;
}

.terminal {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(98, 203, 225, 0.25);
  border-radius: 0.5rem;
  background: #0c0f0c;
  box-shadow: 0 1.5rem 4rem var(--shadow);
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(247, 242, 232, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.terminal-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--amber);
}

.terminal-bar span:nth-child(2) {
  background: var(--green);
}

.terminal-bar span:nth-child(3) {
  background: var(--cyan);
}

.terminal pre {
  margin: 0;
  padding: 1.4rem;
  overflow-x: auto;
}

.terminal code {
  color: #dafbe4;
  font-size: 0.98rem;
  line-height: 1.8;
  white-space: pre;
}

.copy-button {
  position: absolute;
  top: 0.72rem;
  right: 0.72rem;
  padding: 0.48rem 0.7rem;
  background: rgba(247, 242, 232, 0.08);
  color: var(--text);
}

.command-list {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  overflow: hidden;
}

.command-list div {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.025);
}

.command-list div + div {
  border-top: 1px solid var(--line);
}

.command-list code {
  color: var(--green);
}

.command-list span {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

details {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--panel);
}

summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-weight: 760;
}

details p {
  margin: 0;
  padding: 0 1.1rem 1.1rem;
}

.footer {
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .site-header {
    padding: 0.85rem 1rem;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 76svh;
    padding: 7rem 1.1rem 4rem;
  }

  .hero-bg {
    background-position: 61% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(17, 16, 12, 0.95), rgba(17, 16, 12, 0.68)),
      linear-gradient(180deg, rgba(17, 16, 12, 0.08), rgba(17, 16, 12, 0.9));
  }

  h1 {
    font-size: 3.1rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-copy {
    font-size: 1.04rem;
  }

  .section {
    padding: 3.8rem 1.1rem;
  }

  .split,
  .install-layout {
    grid-template-columns: 1fr;
    gap: 1.7rem;
  }

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

  .command-list div {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }
}

@media (max-width: 560px) {
  .header-action {
    display: none;
  }

  .hero {
    min-height: 74svh;
  }

  h1 {
    font-size: 2.6rem;
  }

  h2 {
    font-size: 1.72rem;
  }

  .hero-actions,
  .hero-stats {
    align-items: stretch;
    flex-direction: column;
  }

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

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

  .feature-card {
    min-height: 0;
  }

  .step {
    margin-bottom: 1.8rem;
  }

  .terminal code {
    font-size: 0.86rem;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.2rem 1.1rem;
  }
}