/* ───────────────────────────────────────────────────────────
   GPUs.fun — design system
   ─────────────────────────────────────────────────────────── */

:root {
  --ink: #0a0a0c;
  --ink-2: #131318;
  --ink-3: #1c1c24;
  --line: #2a2a35;
  --line-2: #3a3a48;
  --paper: #f2e9d0;
  --paper-ink: #14110a;
  --silicon: #9b958c;
  --silicon-2: #6c6760;
  --phosphor: #00ff7a;
  --phosphor-dim: #00b257;
  --alert: #ff3a44;
  --amber: #ffb547;
  --pcb: #0d3b2e;
  --pcb-line: #1a6047;
  --gold: #d4a64a;

  --r-sm: 4px;
  --r-md: 10px;
  --r-lg: 18px;

  --shadow-sm: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 30px 80px rgba(0, 0, 0, 0.6);

  --max-w: 1200px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: #e8e6df;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(0, 255, 122, 0.06), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(255, 58, 68, 0.04), transparent 60%),
    var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--phosphor);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 0.4em;
  color: #fff;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #fff;
}

p {
  color: #c7c5bd;
  max-width: 62ch;
}

.mono {
  font-family: "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--phosphor);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--phosphor);
}

/* ─── Layout ───────────────────────────────────────────── */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

section {
  padding: 96px 0;
  position: relative;
}

section + section {
  border-top: 1px solid var(--line);
}

/* ─── Header / Nav ─────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 12, 0.75);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 30px;
  height: 30px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: #b8b5ac;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #fff;
}

.nav-cta {
  background: var(--phosphor);
  color: #06140a;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid #00ff7a;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 0 0 0 rgba(0, 255, 122, 0.6);
}

.nav-cta:hover {
  color: #06140a;
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(0, 255, 122, 0.35);
}

/* ─── Hero ──────────────────────────────────────────────── */

.hero {
  padding: 110px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.hero h1 .accent {
  background: linear-gradient(180deg, #fff 0%, #a9a59a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.55;
  color: #c8c5bb;
  margin: 18px 0 32px;
}

.btn-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--phosphor);
  color: #06140a;
  border-color: #00ff7a;
  box-shadow: 0 10px 30px rgba(0, 255, 122, 0.18);
}

.btn-primary:hover {
  color: #06140a;
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(0, 255, 122, 0.3);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: var(--line-2);
}

.btn-ghost:hover {
  color: #fff;
  border-color: var(--silicon);
  background: rgba(255, 255, 255, 0.03);
}

/* ─── Ticker / specsheet ───────────────────────────────── */

.ticker-card {
  margin-top: 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 18px 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 700px) {
  .ticker-card {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ticker-card .cell .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silicon);
  margin-bottom: 6px;
}

.ticker-card .cell .value {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--phosphor);
  display: inline-block;
  margin-right: 6px;
  box-shadow: 0 0 12px var(--phosphor);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ─── GPU card stage ───────────────────────────────────── */

.gpu-stage {
  position: relative;
  padding: 20px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(60% 80% at 50% 50%, rgba(0, 255, 122, 0.08), transparent 70%),
    linear-gradient(180deg, #0e0e12, #07070a);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.gpu-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.gpu-stage svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
}

.stage-tag {
  position: absolute;
  bottom: 14px;
  left: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--silicon);
  text-transform: uppercase;
  z-index: 2;
}

.stage-tag .live {
  color: var(--phosphor);
}

/* ─── Feature grid ─────────────────────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}

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

.feature {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 26px;
  position: relative;
  overflow: hidden;
}

.feature .icon {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
}

.feature h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.feature p {
  color: #b8b5ac;
  font-size: 0.94rem;
  margin: 0;
}

/* ─── Section heading ──────────────────────────────────── */

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
  max-width: 720px;
}

.section-head p {
  margin: 0;
  color: #b8b5ac;
}

/* ─── Spec sheet ───────────────────────────────────────── */

.spec-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
}

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

.spec-table {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow: hidden;
}

.spec-table .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
}

.spec-table .row:last-child {
  border-bottom: 0;
}

.spec-table .row .k {
  color: var(--silicon);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  align-self: center;
}

.spec-table .row .v {
  color: #fff;
  font-weight: 500;
  text-align: right;
}

.spec-table .row .v.phos {
  color: var(--phosphor);
}

/* ─── Exploded view ────────────────────────────────────── */

.exploded {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, #0c0c10, #06060a);
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.exploded svg {
  width: 100%;
  height: auto;
}

/* ─── PCB block ────────────────────────────────────────── */

.pcb-block {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .pcb-block {
    grid-template-columns: 1fr;
  }
}

.pcb-visual {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--pcb);
  box-shadow: var(--shadow-lg);
}

.legend {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: #c7c5bd;
}

.legend .swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ─── Tokenomics ───────────────────────────────────────── */

.tokenomics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 60px;
}

@media (max-width: 900px) {
  .tokenomics-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 28px;
  min-height: 360px;
}

.chart-card h3 {
  margin-bottom: 6px;
}

.chart-card .sub {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--silicon);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.alloc-table {
  margin-top: 60px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
}

.alloc-table .row {
  display: grid;
  grid-template-columns: 32px 1.6fr 0.6fr 1.2fr;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
}

.alloc-table .row:last-child {
  border-bottom: 0;
}

.alloc-table .row.head {
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--silicon);
}

.alloc-table .swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.alloc-table .name {
  color: #fff;
  font-weight: 500;
}

.alloc-table .pct {
  color: var(--phosphor);
  text-align: left;
}

.alloc-table .note {
  color: var(--silicon);
}

/* ─── Lore page ────────────────────────────────────────── */

.lore-main {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

@media (max-width: 900px) {
  .lore-main {
    grid-template-columns: 1fr;
  }
}

.lore-text p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #d4d1c5;
  max-width: 56ch;
}

.lore-text p + p {
  margin-top: 18px;
}

.lore-text .drop {
  font-family: "Space Grotesk", sans-serif;
  font-size: 3.6rem;
  float: left;
  line-height: 1;
  padding: 4px 14px 0 0;
  color: var(--phosphor);
  font-weight: 700;
}

.lore-aside {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--paper-ink);
  padding: 30px;
  font-family: "JetBrains Mono", monospace;
  position: relative;
}

.lore-aside::before {
  content: "MEMO / 026-A";
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(0, 0, 0, 0.4);
}

.lore-aside h3 {
  color: var(--paper-ink);
  font-family: "Space Grotesk", sans-serif;
  text-transform: none;
  letter-spacing: -0.01em;
  font-size: 1.4rem;
}

.lore-aside p {
  color: rgba(0, 0, 0, 0.75);
  font-size: 0.88rem;
  margin: 0 0 12px;
}

.lore-aside .stamp {
  display: inline-block;
  margin-top: 16px;
  border: 2px solid var(--alert);
  color: var(--alert);
  padding: 4px 10px;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  transform: rotate(-4deg);
}

/* ─── Timeline ─────────────────────────────────────────── */

.timeline {
  margin-top: 60px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px;
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
}

.timeline svg {
  width: 100%;
  height: auto;
}

/* ─── Buy steps ────────────────────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 24px;
  position: relative;
  min-height: 220px;
}

.step .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--phosphor);
}

.step h3 {
  margin: 8px 0 10px;
  font-size: 1.05rem;
}

.step p {
  color: #b8b5ac;
  font-size: 0.9rem;
  margin: 0;
}

.step .icon {
  position: absolute;
  bottom: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  opacity: 0.5;
}

/* ─── CTA Block ────────────────────────────────────────── */

.cta-block {
  margin-top: 60px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(0, 255, 122, 0.1), transparent 70%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-block h2 {
  margin-bottom: 10px;
}

.cta-block p {
  margin: 0 auto 26px;
  color: #c8c5bb;
}

/* ─── Contract pill ────────────────────────────────────── */

.contract {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink-3);
  border: 1px solid var(--line-2);
  padding: 10px 16px;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--silicon);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  font: inherit;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  max-width: 100%;
}

button.contract {
  font: inherit;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.contract:hover {
  border-color: var(--phosphor);
  background: rgba(0, 255, 122, 0.06);
  color: #fff;
}

.contract .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  flex-shrink: 0;
}

.contract.live .pulse {
  background: var(--phosphor);
  box-shadow: 0 0 12px var(--phosphor);
  animation: blink 2s ease-in-out infinite;
}

.contract .ca {
  color: #fff;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contract .copy-hint {
  color: var(--silicon-2);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-left: 1px solid var(--line-2);
  padding-left: 12px;
  margin-left: 2px;
}

.contract.copied .copy-hint {
  color: var(--phosphor);
}

/* ─── Footer ───────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
}

.foot-brand {
  max-width: 320px;
}

.foot-brand p {
  color: var(--silicon);
  font-size: 0.85rem;
  margin-top: 12px;
}

.foot-links {
  display: flex;
  gap: 50px;
}

.foot-col h4 {
  color: #fff;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 14px;
  font-family: "JetBrains Mono", monospace;
}

.foot-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.foot-col a {
  color: #b8b5ac;
  font-size: 0.9rem;
}

.foot-col a:hover {
  color: #fff;
}

.fineprint {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--silicon-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Subtle scanline / texture for pages ──────────────── */

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.012) 0,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}