/*
  QitQode landing page
  Forgewise.tech Brand CSS — Version 1.2.0 (design lineage: GrowthForge)
  Fonts are self-hosted (latin-subset woff2 in public/fonts/) and declared
  via inline @font-face rules in index.html with font-display: swap.
  JetBrains Mono uses one variable-font file for weights 400 and 700.
*/

:root {
  color-scheme: dark;

  --forge-black: #08090B;
  --deep-coal: #050608;
  --graphite: #16181C;
  --graphite-deep: #101216;
  --iron: #2A2D33;
  --steel: #8A8F98;
  --bone: #F4F0E8;
  --ash: #A7AAB2;
  --muted: #6F747D;

  --molten-orange: #FF6A00;
  --ember-orange: #FF8A00;
  --ember-gold: #FFB000;
  --hot-core: #FFE2A3;

  --signal-teal: #1CC7BB;
  --signal-teal-light: #73E8DF;
  --signal-teal-dark: #0D6F6B;

  --oxide-maroon: #6D213C;
  --oxide-maroon-light: #A84462;
  --oxide-maroon-dark: #35101F;

  --danger: #D94A3A;

  --font-display: "Orbitron", "Inter Display", Inter, ui-sans-serif, system-ui, sans-serif;
  --font-heading: "Rajdhani", Inter, ui-sans-serif, system-ui, sans-serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: clamp(1.75rem, 3vw, 2.5rem);
  --text-3xl: clamp(2.4rem, 5vw, 4.5rem);
  --text-hero: clamp(3rem, 8vw, 7rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --line-faint: rgba(138, 143, 152, 0.18);
  --line-default: rgba(138, 143, 152, 0.34);
  --line-strong: rgba(190, 194, 201, 0.62);
  --line-hot: rgba(255, 106, 0, 0.68);
  --line-signal: rgba(28, 199, 187, 0.64);
  --line-oxide: rgba(168, 68, 98, 0.56);

  --gradient-heat: linear-gradient(90deg, #FF6A00 0%, #FFB000 100%);
  --gradient-heat-vertical: linear-gradient(180deg, #FFB000 0%, #FF6A00 100%);
  --gradient-signal: linear-gradient(90deg, #0D6F6B 0%, #1CC7BB 55%, #73E8DF 100%);
  --gradient-oxide: linear-gradient(135deg, #35101F 0%, #6D213C 65%, #A84462 100%);
  --gradient-metal: linear-gradient(180deg, #2A2D33 0%, #101216 100%);

  --shadow-panel: 0 24px 80px rgba(0, 0, 0, 0.3);
  --shadow-heat: 0 0 24px rgba(255, 106, 0, 0.25), 0 0 52px rgba(255, 176, 0, 0.1);
  --shadow-signal: 0 0 22px rgba(28, 199, 187, 0.18);

  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-slow: 260ms;
  --ease-forge: cubic-bezier(0.2, 0.75, 0.25, 1);

  --container: 72.5rem;
  --reading-width: 46rem;
}

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

html {
  background: var(--forge-black);
  color: var(--bone);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--bone);
  background:
    radial-gradient(circle at 72% 8%, rgba(255, 106, 0, 0.15), transparent 34rem),
    radial-gradient(circle at 16% 30%, rgba(28, 199, 187, 0.055), transparent 26rem),
    radial-gradient(circle at 82% 72%, rgba(109, 33, 60, 0.12), transparent 30rem),
    linear-gradient(180deg, var(--forge-black) 0%, var(--deep-coal) 100%);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
}

img,
picture,
svg,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

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

p,
ul,
ol,
blockquote {
  color: var(--ash);
}

::selection {
  color: var(--bone);
  background: rgba(255, 106, 0, 0.36);
}

:focus-visible {
  outline: 2px solid var(--signal-teal-light);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(28, 199, 187, 0.16);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.reading-column {
  width: min(100%, var(--reading-width));
}

.section {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.section--hero {
  padding-block-start: clamp(1.5rem, 3.5vw, 3rem);
}

.grid-field {
  position: relative;
  isolation: isolate;
}

.grid-field::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(244, 240, 232, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 240, 232, 0.7) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.brand-wordmark {
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-wordmark .domain {
  color: var(--ember-orange);
}

.hero-title {
  max-width: 16ch;
  margin: 0 0 var(--space-5);
  color: var(--bone);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.section-title {
  margin: 0 0 var(--space-4);
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.card-title {
  margin: 0 0 var(--space-3);
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.05;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 var(--space-4);
  color: var(--ember-gold);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--gradient-heat);
  box-shadow: 0 0 12px rgba(255, 106, 0, 0.72);
}

.eyebrow--signal {
  color: var(--signal-teal-light);
}

.eyebrow--signal::before {
  background: var(--gradient-signal);
  box-shadow: 0 0 12px rgba(28, 199, 187, 0.52);
}

.surface {
  border: 1px solid var(--line-faint);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012)),
    linear-gradient(180deg, rgba(22, 24, 28, 0.96), rgba(8, 9, 11, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    var(--shadow-panel);
}

.surface--active {
  border-color: var(--line-hot);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 32px rgba(255, 106, 0, 0.15),
    var(--shadow-panel);
}

.card {
  position: relative;
  min-height: 100%;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 4%, rgba(255, 106, 0, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012)),
    linear-gradient(180deg, var(--graphite) 0%, var(--forge-black) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 24px 72px rgba(0, 0, 0, 0.26);
  transition:
    transform var(--duration-base) var(--ease-forge),
    border-color var(--duration-base) var(--ease-forge),
    box-shadow var(--duration-base) var(--ease-forge);
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 106, 0, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 28px 84px rgba(0, 0, 0, 0.33);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0 1.125rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-forge),
    border-color var(--duration-base) var(--ease-forge),
    background var(--duration-base) var(--ease-forge),
    box-shadow var(--duration-base) var(--ease-forge);
}

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

.button-primary {
  border: 1px solid rgba(255, 226, 163, 0.48);
  color: var(--forge-black);
  background: var(--gradient-heat);
  box-shadow: var(--shadow-heat);
}

.button-primary:hover {
  color: var(--forge-black);
  box-shadow:
    0 0 32px rgba(255, 106, 0, 0.34),
    0 0 66px rgba(255, 176, 0, 0.13);
}

.button-secondary {
  border: 1px solid var(--line-default);
  color: var(--bone);
  background: rgba(22, 24, 28, 0.84);
}

.button-secondary:hover {
  border-color: var(--line-hot);
  background: rgba(42, 45, 51, 0.9);
}

.text-link {
  color: var(--bone);
  font-family: var(--font-heading);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(255, 176, 0, 0.5);
  text-underline-offset: 0.22em;
}

.text-link:hover {
  color: var(--hot-core);
  text-decoration-color: var(--ember-gold);
}

.badge {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.65rem;
  border: 1px solid var(--line-default);
  border-radius: 999px;
  color: var(--ash);
  background: rgba(16, 18, 22, 0.78);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--live {
  border-color: var(--line-signal);
  color: var(--signal-teal-light);
}

pre,
code {
  font-family: var(--font-mono);
}

pre {
  overflow-x: auto;
  padding: 1rem 1.125rem;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  color: #DDE2E7;
  background: #07080A;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* ---------- Page-specific layout ---------- */

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--forge-black);
  background: var(--signal-teal-light);
  font-family: var(--font-heading);
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line-faint);
  background: rgba(8, 9, 11, 0.86);
  backdrop-filter: blur(10px);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.05rem;
}

.site-nav__brand-logo {
  display: block;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__links a:not(.button) {
  color: var(--ash);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-nav__links a:not(.button):hover {
  color: var(--bone);
}

.site-nav .button {
  min-height: 40px;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-sub {
  max-width: 38rem;
  margin: 0 0 var(--space-6);
  font-size: var(--text-lg);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.hero-terminal {
  width: min(100%, 52rem);
  padding: clamp(1rem, 2.5vw, 1.75rem);
  border-radius: var(--radius-lg);
  text-align: center;
}

.hero-terminal__bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-bottom: var(--space-4);
}

.hero-terminal__dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--iron);
}

.hero-terminal__dot--hot {
  background: var(--molten-orange);
}

.hero-terminal__title {
  margin-left: var(--space-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.ascii-logo-svg {
  display: block;
  width: min(100%, 34rem);
  margin-inline: auto;
  height: auto;
}

.hero-terminal__prompt {
  margin: var(--space-4) 0 0;
  color: var(--ash);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.hero-terminal__prompt .prompt-mark {
  color: var(--signal-teal);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.card ul {
  margin: var(--space-3) 0 0;
  padding-left: 1.1rem;
}

.card li {
  margin-bottom: var(--space-2);
}

.card li code,
p code,
td code {
  padding: 0.1em 0.4em;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-xs);
  background: rgba(16, 18, 22, 0.9);
  color: var(--signal-teal-light);
  font-size: 0.85em;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.install-block {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
}

.install-block h3 {
  margin: 0 0 var(--space-3);
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.install-block pre {
  margin: 0;
}

.copy-button {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  min-height: 36px;
  padding: 0 0.75rem;
  border: 1px solid var(--line-default);
  border-radius: var(--radius-xs);
  color: var(--ash);
  background: rgba(16, 18, 22, 0.9);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.copy-button:hover {
  border-color: var(--line-signal);
  color: var(--signal-teal-light);
}

.first-launch {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
}

.first-launch h3 {
  margin: 0 0 var(--space-3);
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.first-launch ul {
  margin: 0;
  padding-left: 1.1rem;
}

.first-launch li {
  margin-bottom: var(--space-2);
}

.tier-table-wrap {
  margin-top: var(--space-6);
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

table.tier-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 34rem;
}

.tier-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.tier-table th,
.tier-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line-faint);
  text-align: left;
  vertical-align: top;
}

.tier-table th {
  color: var(--ember-gold);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tier-table td {
  color: var(--ash);
}

.tier-table td:first-child {
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
}

.tier-table tr:last-child td {
  border-bottom: none;
}

.faq-list {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.faq-list details {
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(22, 24, 28, 0.96), rgba(8, 9, 11, 0.98));
}

.faq-list details[open] {
  border-color: var(--line-hot);
}

.faq-list summary {
  padding: var(--space-4) var(--space-5);
  color: var(--bone);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--ember-gold);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list .faq-answer {
  padding: 0 var(--space-5) var(--space-4);
}

.faq-list .faq-answer p {
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line-faint);
  background: var(--deep-coal);
  padding-block: var(--space-7);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-footer p {
  margin: 0;
  color: var(--ash);
  font-size: var(--text-sm);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer a {
  color: var(--ash);
  font-family: var(--font-heading);
  font-weight: 600;
}

.site-footer a:hover {
  color: var(--hot-core);
}

.section-intro {
  max-width: var(--reading-width);
  margin: 0;
  font-size: var(--text-lg);
}

@media (max-width: 64rem) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .section {
    padding-block: clamp(4rem, 14vw, 5rem);
  }

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

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button-row .button {
    width: 100%;
  }

  .site-nav__links a:not(.button) {
    display: none;
  }

  .site-nav__brand {
    gap: 0.45rem;
    font-size: 1rem;
  }

  .site-nav__brand-logo {
    width: 1.75rem;
    height: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}