:root {
  --bg: #0b0d12;
  --panel: rgba(15, 19, 28, 0.76);
  --panel-strong: rgba(24, 30, 42, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f6f0e5;
  --muted: #c6bcae;
  --accent: #f16b3b;
  --accent-bright: #ffb47b;
  --cold: #77b8ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
  --display: "Fraunces", Georgia, serif;
  --body: "Space Grotesk", "Avenir Next", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% 16%, rgba(241, 107, 59, 0.18), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(119, 184, 255, 0.16), transparent 24%),
    linear-gradient(160deg, #0c0e13 0%, #131722 54%, #090b0f 100%);
  color: var(--text);
  font-family: var(--body);
  overflow-x: hidden;
}

a,
button,
input,
select {
  -webkit-tap-highlight-color: transparent;
}

.backdrop,
.grid-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.backdrop {
  filter: blur(70px);
  opacity: 0.8;
}

.backdrop-a {
  background: radial-gradient(circle at 0% 14%, rgba(255, 140, 90, 0.35), transparent 36%);
}

.backdrop-b {
  background: radial-gradient(circle at 100% 10%, rgba(80, 130, 255, 0.28), transparent 32%);
}

.grid-noise {
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 88%);
}

.page-shell {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 18px 80px;
}

.layout {
  display: grid;
  gap: 22px;
}

.topbar,
.panel,
.stack-card,
.step-card,
.generator,
.setup-dock,
.note-band {
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(13, 16, 23, 0.72);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background:
    linear-gradient(140deg, rgba(255, 183, 130, 0.22), rgba(45, 56, 82, 0.24)),
    rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--accent-bright);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy span {
  color: var(--muted);
  font-size: 12px;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topnav a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.topnav a {
  background: rgba(255, 255, 255, 0.04);
}

.topnav a:hover,
.button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 22px;
  align-items: stretch;
  padding-top: 10px;
}

.hero-copy {
  padding: 36px 10px 18px 4px;
}

.eyebrow,
.panel-kicker,
.stack-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.hero h1,
.section-heading h2,
.panel h2,
.stack-card h2,
.generator h3 {
  margin: 0;
  font-family: var(--display);
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(48px, 7vw, 94px);
}

.lede {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  cursor: pointer;
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--body);
}

.button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #ffb27e 0%, #f16b3b 48%, #ca4e20 100%);
  color: #1d120e;
  font-weight: 700;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.03);
}

.hero-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-flags span,
.mini-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 13px;
}

.hero-stack {
  position: relative;
  display: grid;
  gap: 14px;
  align-content: start;
  padding-top: 24px;
}

.stack-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stack-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 62%);
}

.stack-card-primary {
  background:
    linear-gradient(145deg, rgba(241, 107, 59, 0.18), rgba(13, 16, 23, 0.65)),
    var(--panel-strong);
}

.stack-card h2 {
  font-size: clamp(30px, 3.2vw, 46px);
  margin-bottom: 14px;
}

.stack-card p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  line-height: 1.68;
}

.stack-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.mini-chip {
  color: var(--text);
}

.story-grid,
.workflow-rail,
.generators {
  display: grid;
  gap: 18px;
}

.story-grid {
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
}

.panel,
.setup-dock,
.generator,
.step-card,
.note-band {
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.panel,
.setup-dock,
.generator,
.step-card {
  padding: 24px;
}

.panel-feature {
  background:
    linear-gradient(140deg, rgba(119, 184, 255, 0.12), rgba(13, 16, 23, 0.7)),
    var(--panel-strong);
}

.panel h2 {
  font-size: clamp(28px, 3vw, 44px);
  margin-bottom: 14px;
}

.panel p,
.panel li,
.note-band p,
.step-card p {
  color: var(--muted);
  line-height: 1.74;
}

.panel a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.panel a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.44);
}

.flat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.flat-list li + li {
  margin-top: 12px;
}

.section-heading h2 {
  font-size: clamp(32px, 4vw, 58px);
}

.workflow {
  display: grid;
  gap: 16px;
}

.workflow-rail {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  min-height: 210px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(10, 12, 18, 0.42)),
    var(--panel);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--accent-bright);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.step-card h3 {
  margin: 18px 0 10px;
  font-size: 24px;
}

.lab {
  display: grid;
  gap: 18px;
}

.lab-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 18px;
}

.setup-dock {
  background:
    linear-gradient(145deg, rgba(255, 179, 126, 0.08), rgba(13, 16, 23, 0.62)),
    var(--panel);
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 18px;
  border-radius: 20px;
  background: rgba(7, 9, 14, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

code,
input,
select,
button {
  font-family: "SFMono-Regular", "Cascadia Code", "Fira Code", Consolas, monospace;
}

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

.generator {
  display: grid;
  gap: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(10, 12, 18, 0.22)),
    var(--panel);
}

.generator h3 {
  font-size: clamp(28px, 3vw, 42px);
  margin-bottom: 10px;
}

.generator-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.compact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

input,
select {
  width: 100%;
  min-height: 50px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(5, 7, 11, 0.52);
  color: var(--text);
  padding: 0 14px;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(255, 180, 123, 0.62);
  box-shadow: 0 0 0 4px rgba(241, 107, 59, 0.12);
}

.checkbox-card {
  align-content: space-between;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(5, 7, 11, 0.52);
}

.checkbox-row input {
  width: 18px;
  min-height: 18px;
  margin: 0;
}

.copy-button {
  width: fit-content;
}

.notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.note-band {
  padding: 20px 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: reveal-up 720ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 140ms;
}

.delay-3 {
  animation-delay: 220ms;
}

.delay-4 {
  animation-delay: 300ms;
}

.delay-5 {
  animation-delay: 380ms;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero,
  .lab-intro,
  .story-grid,
  .workflow-rail,
  .generators,
  .notes,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 14px 12px 52px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topnav {
    width: 100%;
  }

  .topnav a {
    flex: 1 1 calc(50% - 10px);
  }

  .hero-copy,
  .panel,
  .generator,
  .setup-dock,
  .step-card,
  .note-band {
    padding: 18px;
  }

  .hero-copy {
    padding-left: 0;
    padding-right: 0;
  }

  .stack-card {
    padding: 18px;
  }
}