:root {
  --color-bg: #070A12;
  --color-surface: #0E1322;
  --color-alt-surface: #151C30;
  --color-border: #1E2742;
  --color-border-strong: #2C3A60;
  --color-text: #EDF2FF;
  --color-muted: #97A3C0;
  --color-accent: #5B9DFF;
  --color-accent-strong: #2563EB;
  --color-accent-2: #38D9F5;
  --gradient-accent: linear-gradient(120deg, #5B9DFF, #38D9F5);
  --color-glow: rgba(91, 157, 255, 0.22);
  --font-display: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
  --space-6: 64px;
  --radius-default: 8px;
  --radius-card: 16px;
  --radius-pill: 999px;
  --page-max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(56, 217, 245, 0.07), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(91, 157, 255, 0.09), transparent 55%),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::selection,
body ::selection {
  background: var(--color-accent-strong);
  color: var(--color-text);
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 10;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-default);
  background: var(--color-accent-strong);
  color: var(--color-text);
  font-weight: 700;
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid var(--color-accent-2);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-accent-2);
  outline-offset: 3px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px max(16px, calc((100vw - var(--page-max)) / 2));
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(16px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  transition: color 180ms ease, transform 180ms ease;
}

.wordmark__mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.wordmark:hover,
.wordmark:focus-visible {
  color: var(--color-accent);
  transform: translateY(-1px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.site-nav a {
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: border-color 180ms ease, color 180ms ease;
}

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

.site-nav .site-nav__cta {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
}

.site-nav .site-nav__cta:hover,
.site-nav .site-nav__cta:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-alt-surface);
}

main,
.site-footer__inner {
  width: min(var(--page-max), calc(100% - 32px));
  margin: 0 auto;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
  gap: clamp(40px, 8vw, 96px);
  align-items: center;
  padding: clamp(56px, 9vw, 112px) 0 clamp(48px, 7vw, 88px);
}

.hero-sim {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
  mask-image: radial-gradient(120% 100% at 50% 50%, #000 55%, transparent 100%);
}

.hero__copy,
.hero-portrait {
  position: relative;
  z-index: 1;
}

.hero-log {
  display: grid;
  gap: var(--space-1);
  min-height: 66px;
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
}

.hero-log__line {
  opacity: 0.55;
}

.hero-log__line--latest {
  color: var(--color-accent-2);
  opacity: 1;
}

.hero-log__cursor {
  display: inline-block;
  width: 7px;
  height: 0.9em;
  margin-left: 6px;
  background: var(--color-accent-2);
  vertical-align: text-bottom;
  animation: hero-cursor-blink 1.1s steps(2) infinite;
}

@keyframes hero-cursor-blink {
  to {
    opacity: 0;
  }
}

.hero__eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-accent-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  max-width: 13ch;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-title__accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  max-width: 620px;
  margin: var(--space-4) 0 0;
  color: var(--color-text);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 650;
  line-height: 1.25;
}

.hero__body {
  max-width: 560px;
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
}

.hero-stats div {
  min-width: 110px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-surface) 72%, transparent);
  padding: var(--space-3) var(--space-4);
}

.hero-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 700;
}

.hero-stats dt {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.hero-portrait {
  position: relative;
  justify-self: center;
  margin: 0;
}

.hero-portrait::before {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: var(--gradient-accent);
  content: "";
  filter: blur(26px);
  opacity: 0.32;
}

.hero-portrait img {
  position: relative;
  width: clamp(220px, 24vw, 320px);
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 18%;
  border: 3px solid var(--color-border-strong);
  border-radius: 50%;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.5);
}

/* ---------- Buttons ---------- */

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0 var(--space-4);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

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

.button--primary {
  background: var(--gradient-accent);
  color: var(--color-bg);
  box-shadow: 0 14px 34px var(--color-glow);
}

.button--primary:hover,
.button--primary:focus-visible {
  box-shadow: 0 18px 44px rgba(56, 217, 245, 0.3);
}

.button--secondary {
  border-color: var(--color-border-strong);
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
}

.button--secondary:hover,
.button--secondary:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-alt-surface);
}

.button--project {
  width: max-content;
  margin-top: var(--space-4);
  border-color: var(--color-border-strong);
  color: var(--color-accent);
  background: transparent;
}

.button--project:hover,
.button--project:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-alt-surface);
}

/* ---------- Sections ---------- */

.section {
  padding: clamp(48px, 7vw, 88px) 0;
  border-top: 1px solid var(--color-border);
}

.section-kicker {
  margin: 0 0 var(--space-3);
  color: var(--color-accent-2);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading h2,
.game-feature h2,
.bio-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-5);
}

.section-heading p:not(.section-kicker) {
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
  font-size: 1.02rem;
}

/* ---------- Tanks game feature ---------- */

.game-feature__intro {
  max-width: 760px;
  margin-bottom: var(--space-5);
}

.game-feature__lede {
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
}

.game-stage {
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(91, 157, 255, 0.06);
}

.game-stage__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
}

.media-toggle {
  display: inline-flex;
  gap: var(--space-1);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: var(--space-1);
  background: var(--color-bg);
}

.media-toggle__btn {
  border: 0;
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease;
}

.media-toggle__btn:hover,
.media-toggle__btn:focus-visible {
  color: var(--color-text);
}

.media-toggle__btn[aria-pressed="true"] {
  background: var(--gradient-accent);
  color: var(--color-bg);
}

.game-stage__external {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 700;
  transition: color 180ms ease;
}

.game-stage__external:hover,
.game-stage__external:focus-visible {
  color: var(--color-accent-2);
}

.game-stage__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-bg);
}

.game-stage__media video,
.game-stage__media iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--color-bg);
  object-fit: cover;
}

.game-stage__media video[hidden],
.game-stage__media iframe[hidden] {
  display: none;
}

.game-stage__loading {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: var(--space-3);
  background: var(--color-bg);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  pointer-events: none;
}

.game-stage__loading[hidden] {
  display: none;
}

.game-stage__loading p {
  margin: 0;
}

.game-stage__spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border-strong);
  border-top-color: var(--color-accent-2);
  border-radius: 50%;
  animation: game-spinner 0.9s linear infinite;
}

@keyframes game-spinner {
  to {
    transform: rotate(360deg);
  }
}

.game-stage__fallback {
  pointer-events: auto;
}

.game-stage__fallback a {
  color: var(--color-accent);
  border-bottom: 1px solid currentColor;
}

/* ---------- Dedicated Tanks page ---------- */

.tanks-page {
  padding: var(--space-5) 0 var(--space-6);
}

.tanks-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-4);
}

.tanks-hero__copy {
  max-width: 760px;
}

.tanks-hero h1 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.tanks-hero p:not(.section-kicker) {
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  max-width: 680px;
}

.tanks-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.tanks-play {
  overflow: hidden;
  min-height: min(760px, calc(100vh - 220px));
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-bg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.48), 0 0 0 1px rgba(91, 157, 255, 0.08);
}

.tanks-play iframe {
  display: block;
  width: 100%;
  min-height: min(760px, calc(100vh - 220px));
  border: 0;
  background: var(--color-bg);
}

/* ---------- Project cards ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.project-card:hover,
.project-card:focus-within {
  border-color: var(--color-border-strong);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px);
}

.project-card__visual {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-alt-surface);
}

.project-card__visual img,
.project-card__visual video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.project-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--space-4);
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  padding: 0 var(--space-3);
  color: var(--color-accent);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.project-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.project-card__summary {
  margin: var(--space-2) 0 0;
  color: var(--color-text);
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.35;
}

.project-card__description {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.project-card__focus {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.project-card__focus li {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.project-card .button--project {
  margin-top: auto;
  padding-top: 0;
}

.project-card__body .button--project {
  margin-top: var(--space-4);
}

/* ---------- Build log ---------- */

.build-log__feed {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.build-log__entry {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-surface) 80%, transparent);
  padding: var(--space-4);
}

.build-log__date {
  color: var(--color-accent-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
}

.build-log__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.build-log__lines {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
}

.build-log__lines div {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-3);
}

.build-log__lines dt {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 2px;
}

.build-log__lines dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.build-log__lines div:first-child dd {
  color: var(--color-text);
}

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(200px, 300px) minmax(0, 1fr);
  gap: clamp(32px, 8vw, 96px);
  align-items: center;
}

.bio-media {
  margin: 0;
}

.bio-media__stack {
  position: relative;
  display: block;
  width: min(100%, 290px);
  aspect-ratio: 242 / 358;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.45);
  isolation: isolate;
}

.bio-media__stack::before,
.bio-media__stack::after {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  content: "";
  transition: opacity 360ms ease;
}

.bio-media__stack::before {
  background:
    linear-gradient(90deg, transparent 0 42%, rgba(91, 157, 255, 0.18) 42% 43%, transparent 43%),
    linear-gradient(0deg, transparent 0 64%, rgba(91, 157, 255, 0.14) 64% 65%, transparent 65%),
    radial-gradient(circle at 58% 31%, rgba(91, 157, 255, 0.58) 0 2px, transparent 4px),
    radial-gradient(circle at 70% 45%, rgba(56, 217, 245, 0.44) 0 2px, transparent 5px);
  mix-blend-mode: screen;
}

.bio-media__stack::after {
  background:
    repeating-linear-gradient(0deg, rgba(237, 242, 255, 0.08) 0 1px, transparent 1px 8px),
    linear-gradient(115deg, transparent 0 36%, rgba(91, 157, 255, 0.2) 48%, transparent 60%);
  mix-blend-mode: soft-light;
}

.bio-media__stack img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bio-media__portrait {
  position: relative;
  z-index: 1;
}

.bio-media__ai {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 360ms ease;
}

.bio-media__stack:hover .bio-media__ai,
.bio-media__stack:focus-visible .bio-media__ai,
.bio-media__stack:hover::before,
.bio-media__stack:focus-visible::before,
.bio-media__stack:hover::after,
.bio-media__stack:focus-visible::after {
  opacity: 0.92;
}

.bio-media__hint {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.bio-copy {
  max-width: 720px;
}

.bio-copy p:not(.section-kicker) {
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
}

.bio-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
}

.bio-principles div {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-surface) 72%, transparent);
  padding: var(--space-3) var(--space-4);
}

.bio-principles dt {
  color: var(--color-text);
  font-weight: 700;
}

.bio-principles dd {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) 0;
  color: var(--color-muted);
}

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

.site-footer p {
  max-width: 480px;
  margin: 0;
  font-size: 0.95rem;
}

.site-footer__copyright {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  font-size: 0.9rem;
  font-weight: 650;
}

.site-footer__nav a {
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

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

/* ---------- Contact page ---------- */

.contact-page {
  width: min(var(--page-max), calc(100% - 32px));
}

.contact-stage {
  overflow: hidden;
  margin: var(--space-5) 0 var(--space-6);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.contact-scene {
  position: relative;
  overflow: hidden;
  min-height: clamp(380px, 46vw, 480px);
  background:
    linear-gradient(90deg, rgba(91, 157, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(91, 157, 255, 0.05) 1px, transparent 1px),
    radial-gradient(700px 360px at 80% 0%, rgba(56, 217, 245, 0.12), transparent 60%),
    linear-gradient(135deg, var(--color-bg), var(--color-surface));
  background-size: 88px 88px, 88px 88px, auto, auto;
  color: var(--color-text);
}

.contact-scene::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(237, 242, 255, 0.05), transparent 48%);
  content: "";
  pointer-events: none;
}

.contact-scene__copy {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: inherit;
  place-items: center;
  padding: clamp(64px, 9vw, 112px) var(--space-5);
  text-align: center;
}

.contact-scene h1 {
  max-width: 820px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.contact-scene h1 span {
  display: block;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-scene p {
  max-width: 660px;
  margin: var(--space-4) auto 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
}

.contact-scene__art,
.signal-star,
.signal-line,
.signal-node,
.signal-card {
  position: absolute;
  pointer-events: none;
}

.contact-scene__art {
  inset: 0;
  z-index: 1;
}

.signal-star {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text);
  box-shadow: 0 0 28px rgba(237, 242, 255, 0.65);
}

.signal-star::before,
.signal-star::after {
  position: absolute;
  inset: 50% auto auto 50%;
  background: rgba(237, 242, 255, 0.82);
  content: "";
  transform: translate(-50%, -50%);
}

.signal-star::before {
  width: 32px;
  height: 1px;
}

.signal-star::after {
  width: 1px;
  height: 32px;
}

.signal-star--one {
  top: 19%;
  left: 13%;
}

.signal-star--two {
  top: 29%;
  right: 15%;
  width: 6px;
  height: 6px;
}

.signal-star--three {
  right: 28%;
  bottom: 27%;
  width: 4px;
  height: 4px;
}

.signal-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(237, 242, 255, 0.7), transparent);
  transform-origin: left center;
}

.signal-line--one {
  top: 25%;
  left: 16%;
  width: 240px;
  transform: rotate(32deg);
}

.signal-line--two {
  right: 16%;
  bottom: 30%;
  width: 220px;
  transform: rotate(-19deg);
}

.signal-node {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 22px rgba(91, 157, 255, 0.85);
}

.signal-node--one {
  top: 32%;
  left: 31%;
}

.signal-node--two {
  right: 25%;
  bottom: 36%;
}

.signal-card {
  display: grid;
  width: 142px;
  gap: var(--space-2);
  border: 1px solid rgba(237, 242, 255, 0.14);
  border-radius: var(--radius-card);
  background: rgba(237, 242, 255, 0.06);
  padding: var(--space-3);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.signal-card span {
  display: block;
  width: 100%;
  height: 58px;
  border-radius: var(--radius-default);
  background:
    linear-gradient(135deg, rgba(91, 157, 255, 0.7), rgba(56, 217, 245, 0.16)),
    var(--color-alt-surface);
}

.signal-card strong {
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 800;
}

.signal-card--one {
  left: 9%;
  bottom: 9%;
}

.signal-card--two {
  right: 8%;
  bottom: 12%;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.46fr) minmax(0, 0.86fr);
  gap: clamp(32px, 8vw, 88px);
  align-items: start;
  border-top: 1px solid var(--color-border);
  padding: clamp(48px, 7vw, 80px) clamp(24px, 7vw, 112px);
}

.contact-card {
  color: var(--color-text);
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-4);
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.6;
}

.contact-card h2 {
  max-width: 360px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

.contact-email {
  display: inline-flex;
  margin-top: var(--space-3);
  border-bottom: 1px solid currentColor;
  color: var(--color-accent);
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  font-weight: 800;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--color-accent-2);
}

.contact-card p {
  max-width: 340px;
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 0.96rem;
  font-weight: 650;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-4);
  row-gap: var(--space-5);
}

.contact-form__header {
  grid-column: 1 / -1;
}

.contact-form__header h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.1;
}

.field-group {
  display: grid;
  gap: var(--space-2);
}

.field-group--full,
.contact-form .button,
.form-note {
  grid-column: 1 / -1;
}

.field-group label {
  color: var(--color-accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.field-group input,
.field-group textarea {
  width: 100%;
  border: 0;
  border-bottom: 2px solid var(--color-border-strong);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  padding: 8px 0 12px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field-group input:focus,
.field-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 7px 0 -5px color-mix(in srgb, var(--color-accent) 32%, transparent);
}

.field-group textarea {
  min-height: 104px;
  resize: vertical;
}

.contact-form .button--primary {
  justify-self: start;
  min-width: 144px;
}

.form-note {
  margin: calc(var(--space-4) * -1) 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 460ms ease, transform 460ms ease;
}

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

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .signal-card {
    display: none;
  }
}

@media (max-width: 820px) {
  main,
  .site-footer__inner {
    width: min(100% - 24px, var(--page-max));
  }

  .hero,
  .about,
  .contact-panel,
  .tanks-hero {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: var(--space-5);
  }

  .hero-portrait {
    order: -1;
    justify-self: start;
  }

  .hero-portrait img {
    width: clamp(150px, 36vw, 220px);
  }

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

  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-stage {
    margin-top: var(--space-3);
  }

  .contact-scene {
    min-height: 400px;
  }

  .contact-scene__copy {
    padding: var(--space-6) var(--space-4);
  }

  .contact-panel {
    padding: var(--space-5) var(--space-4);
  }

  .tanks-hero {
    align-items: start;
  }

  .tanks-hero__actions {
    justify-content: flex-start;
  }

  .bio-principles {
    grid-template-columns: 1fr;
  }

  .bio-media__stack {
    width: min(70vw, 260px);
  }
}

@media (max-width: 520px) {
  .site-nav {
    gap: var(--space-3);
    font-size: 0.86rem;
  }

  /* Build log stays reachable by scroll and the footer on small screens. */
  .site-nav a[href$="#log"] {
    display: none;
  }

  .wordmark__text {
    display: none;
  }

  .contact-page {
    width: min(100% - 24px, var(--page-max));
  }

  .contact-scene {
    min-height: 380px;
  }

  .contact-scene__copy {
    padding: var(--space-5) var(--space-3);
  }

  .signal-line,
  .signal-card {
    display: none;
  }

  .hero__actions {
    width: 100%;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero-stats div {
    flex: 1;
    min-width: 90px;
    padding: var(--space-2) var(--space-3);
  }

  .game-stage__bar {
    justify-content: center;
  }

  /* Keep 16:9 for the trailer; only the playable game gets the taller frame. */
  .game-stage__media.is-playing {
    aspect-ratio: 4 / 5;
  }

  .signal-star,
  .signal-node {
    display: none;
  }

  .build-log__entry,
  .build-log__lines div {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-log__cursor {
    animation: none;
  }
}