:root {
  --bg: #071019;
  --bg-deep: #05101a;
  --bg-soft: #091722;
  --panel: rgba(9, 25, 39, 0.74);
  --panel-strong: rgba(11, 29, 45, 0.92);
  --panel-soft: rgba(13, 33, 52, 0.84);
  --line: rgba(110, 177, 214, 0.22);
  --line-strong: rgba(129, 213, 255, 0.46);
  --text: #d7e7f5;
  --text-strong: #f2fbff;
  --text-dim: #7e9ab0;
  --accent: #8de2ff;
  --accent-strong: #6ef4c3;
  --warning: #ffcf70;
  --danger: #ff7d79;
  --shadow: rgba(0, 0, 0, 0.42);
  --max-width: 1180px;
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #05101a 0%, #07131d 42%, #091722 100%);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 24%),
    repeating-linear-gradient(
      0deg,
      rgba(141, 226, 255, 0.018) 0,
      rgba(141, 226, 255, 0.018) 1px,
      transparent 1px,
      transparent 34px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(141, 226, 255, 0.014) 0,
      rgba(141, 226, 255, 0.014) 1px,
      transparent 1px,
      transparent 34px
    );
  opacity: 0.46;
}

::selection {
  background: rgba(141, 226, 255, 0.28);
  color: var(--text-strong);
}

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

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

.scene-shell {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.scene-webgl,
.scene-gradient,
.scene-noise,
.scene-vignette {
  position: absolute;
  inset: 0;
}

.scene-webgl {
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 600ms ease;
}

.scene-webgl.is-ready {
  opacity: 0.74;
}

.scene-gradient {
  background:
    radial-gradient(circle at 22% 28%, rgba(141, 226, 255, 0.16), transparent 24%),
    radial-gradient(circle at 82% 20%, rgba(110, 244, 195, 0.12), transparent 26%),
    radial-gradient(circle at 50% 68%, rgba(141, 226, 255, 0.08), transparent 28%);
}

.scene-noise {
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 4px 4px;
  mix-blend-mode: soft-light;
}

.scene-vignette {
  background:
    radial-gradient(circle at center, transparent 28%, rgba(5, 16, 26, 0.46) 76%, rgba(5, 16, 26, 0.88) 100%),
    linear-gradient(180deg, rgba(5, 16, 26, 0.08), rgba(5, 16, 26, 0.28));
}

.page-shell {
  position: relative;
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(138, 207, 255, 0.14);
  backdrop-filter: blur(18px);
  background:
    linear-gradient(180deg, rgba(7, 18, 27, 0.9), rgba(7, 18, 27, 0.76)),
    rgba(7, 18, 27, 0.82);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(141, 226, 255, 0.18), rgba(110, 244, 195, 0.12)),
    var(--panel-strong);
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-text strong {
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-text span {
  color: var(--text-dim);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--text-dim);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 160ms ease;
}

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

.section {
  padding: clamp(3.5rem, 6vw, 5rem) 0;
}

section[id] {
  scroll-margin-top: 6rem;
}

.eyebrow,
.panel-kicker,
.card-kicker,
.footer-title,
.flag,
.loop-card span {
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 3rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(141, 226, 255, 0.86));
}

.hero {
  position: relative;
  padding-top: clamp(5rem, 10vw, 8rem);
  padding-bottom: 4.5rem;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 6% 38% 8% -12%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(141, 226, 255, 0.16), transparent 52%),
    radial-gradient(circle at 72% 42%, rgba(110, 244, 195, 0.12), transparent 30%);
  filter: blur(26px);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(31.5rem, 0.94fr);
  gap: clamp(2rem, 3.3vw, 3rem);
  align-items: center;
}

.hero-copy {
  max-width: 39rem;
}

.hero h1 {
  margin-top: 1rem;
  max-width: 12.2ch;
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.15rem, 5.6vw, 5.5rem);
  line-height: 0.93;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero-copy-text {
  margin-top: 1.4rem;
  max-width: 33rem;
  color: var(--text-dim);
  font-size: clamp(1.08rem, 1.65vw, 1.24rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem 1rem;
  margin-top: 2.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0.9rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.92rem;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #04131d;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 44px rgba(110, 244, 195, 0.18);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(141, 226, 255, 0.18);
  background: rgba(9, 25, 39, 0.62);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(141, 226, 255, 0.32);
  background: rgba(13, 33, 52, 0.84);
}

.text-link {
  color: var(--text-dim);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.hero-proofline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2.2rem;
}

.hero-proofline span,
.build-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 2.35rem;
  padding: 0.55rem 0.82rem;
  border: 1px solid rgba(141, 226, 255, 0.12);
  border-radius: 999px;
  background: rgba(9, 25, 39, 0.48);
  color: var(--text-dim);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-visual {
  width: 100%;
  max-width: 37.25rem;
  justify-self: end;
  padding: 1rem;
  background:
    radial-gradient(circle at top right, rgba(141, 226, 255, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(11, 29, 45, 0.94), rgba(8, 20, 31, 0.98));
}

.panel-surface {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 28%),
    linear-gradient(180deg, var(--panel), rgba(9, 25, 39, 0.9));
  box-shadow:
    0 24px 60px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(18px);
}

.panel-kicker {
  color: var(--accent);
}

.hero-surface-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero-surface-flags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.flag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(141, 226, 255, 0.12);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(7, 18, 28, 0.48);
}

.flag--accent {
  color: #071019;
  border-color: transparent;
  background: linear-gradient(135deg, rgba(141, 226, 255, 0.92), rgba(110, 244, 195, 0.88));
}

.hero-surface-grid {
  display: grid;
  grid-template-columns: minmax(17.6rem, 1.14fr) minmax(14.4rem, 0.96fr);
  grid-template-areas:
    "primary memory"
    "primary timing"
    "control control";
  gap: 0.95rem;
  margin-top: 0.95rem;
}

.hero-module {
  display: grid;
  gap: 0.8rem;
  padding: 1.25rem;
  border: 1px solid rgba(141, 226, 255, 0.08);
  border-radius: 22px;
  background: rgba(7, 18, 28, 0.62);
}

.hero-module--primary {
  grid-area: primary;
  align-content: start;
  padding: 1.55rem 1.8rem 1.6rem;
  background:
    radial-gradient(circle at top right, rgba(141, 226, 255, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(10, 24, 37, 0.88), rgba(7, 18, 28, 0.94));
}

.hero-primary-copy {
  display: grid;
  gap: 0.8rem;
  max-width: 12.6rem;
}

.hero-module--wide {
  grid-area: control;
}

.hero-surface-grid .hero-module:nth-child(2) {
  grid-area: memory;
}

.hero-surface-grid .hero-module:nth-child(3) {
  grid-area: timing;
}

.hero-module h2 {
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
}

.hero-module p:last-child,
.hero-module p:not(.card-kicker) {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.68;
}

.hero-primary-copy h2 {
  max-width: 4.9ch;
  font-size: clamp(1.82rem, 2.8vw, 2.48rem);
  text-wrap: balance;
}

.hero-primary-copy p:not(.card-kicker) {
  max-width: 13.1rem;
}

.hero-module strong {
  color: var(--text-strong);
  font-size: 1.15rem;
  line-height: 1.34;
}

.hero-bullets {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.25rem;
  list-style: none;
}

.hero-bullets li {
  position: relative;
  padding-left: 1rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.55;
}

.hero-bullets li::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 4px rgba(141, 226, 255, 0.08);
}

.hero-log {
  display: grid;
  gap: 0.55rem;
}

.hero-log span {
  display: flex;
  align-items: center;
  min-height: 2.6rem;
  padding: 0.65rem 0.8rem;
  border-radius: 14px;
  background: rgba(6, 15, 24, 0.78);
  color: var(--text);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.8rem;
}

.section-intro {
  max-width: 44rem;
}

.section-intro h2,
.surface-copy h2,
.cta-shell h2 {
  margin-top: 1rem;
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.section-intro p:not(.eyebrow),
.surface-copy p,
.cta-shell p:not(.eyebrow) {
  margin-top: 1rem;
  max-width: 38rem;
  color: var(--text-dim);
  font-size: 1.04rem;
  line-height: 1.72;
}

.section-intro--compact {
  max-width: 40rem;
}

.thesis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.thesis-card {
  display: grid;
  gap: 0.8rem;
  min-height: 100%;
  padding: 1.6rem;
}

.card-kicker {
  color: var(--accent);
}

.thesis-card h3,
.capability-card h3 {
  color: var(--text-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.thesis-card p:last-child,
.capability-card p:last-child,
.board-row p,
.loop-card p,
.footer-copy {
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.68;
}

.surface-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.35rem;
  align-items: center;
}

.surface-board {
  display: grid;
  gap: 0.75rem;
  padding: 1.15rem;
}

.board-row {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(141, 226, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(7, 18, 28, 0.64);
}

.board-row span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 600;
}

.surface-section {
  padding-bottom: 1.5rem;
}

.capabilities-section {
  padding-top: 1rem;
}

.capabilities-heading {
  display: grid;
  gap: 0.7rem;
  max-width: 42rem;
}

.capabilities-bridge {
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.7;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.capability-card {
  min-height: 100%;
  padding: 1.4rem;
}

.build-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.loop-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.75rem;
  padding-top: 1.2rem;
}

.loop-grid::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  top: 0.62rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(141, 226, 255, 0.32), rgba(110, 244, 195, 0.18));
}

.loop-card {
  position: relative;
  min-height: 10.25rem;
  padding: 1.6rem 1rem 1.2rem;
}

.loop-card::before {
  content: "";
  position: absolute;
  top: 0.32rem;
  left: 1rem;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 5px rgba(141, 226, 255, 0.08);
}

.loop-card span {
  display: inline-flex;
  margin-bottom: 0.8rem;
  color: var(--accent);
}

.loop-card strong {
  display: block;
  color: var(--text-strong);
  font-size: 1rem;
}

.loop-card p {
  margin-top: 0.55rem;
  font-size: 0.92rem;
  line-height: 1.56;
}

.cta-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1.5rem 2.25rem;
  max-width: 980px;
  padding: 2rem 2.1rem;
  margin: 0 auto;
  background:
    radial-gradient(circle at top right, rgba(141, 226, 255, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(11, 29, 45, 0.96), rgba(8, 20, 31, 0.98));
}

.cta-copy-block h2 {
  max-width: 12ch;
}

.cta-actions-block {
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.cta-actions {
  margin-top: 0;
}

.cta-meta {
  max-width: 19rem;
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.6;
}

.site-footer {
  padding: 0 0 2.5rem;
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(141, 226, 255, 0.08);
}

.footer-title {
  color: var(--text-strong);
}

.footer-copy {
  margin-top: 0.4rem;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem 1.3rem;
}

.footer-links a {
  color: var(--text-dim);
  font-family: "IBM Plex Mono", "Iosevka", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero-layout,
  .surface-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

  .hero-surface-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "primary primary"
      "memory timing"
      "control control";
  }

  .thesis-grid,
  .capability-grid,
  .loop-grid {
    grid-template-columns: 1fr 1fr;
  }

  .loop-grid::before {
    display: none;
  }

  .cta-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav,
  .footer-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 4.2rem;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-layout,
  .thesis-grid,
  .capability-grid,
  .loop-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

  .hero-surface-head,
  .hero-surface-flags {
    justify-content: flex-start;
  }

  .hero-surface-head,
  .cta-actions-block {
    gap: 0.85rem;
  }

  .hero-surface-grid {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }

  .hero-module,
  .hero-module--primary,
  .hero-module--wide {
    grid-area: auto;
  }

  .surface-board,
  .cta-shell {
    border-radius: var(--radius-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}