:root {
  --page: #070b14;
  --page-soft: #0a1020;
  --surface: #0d1526;
  --surface-raised: #121d33;
  --surface-strong: #5da9ff;
  --text: #f4f7fb;
  --muted: #9aa8bd;
  --line: rgba(140, 170, 210, 0.16);
  --line-strong: rgba(93, 169, 255, 0.40);
  --accent: #5da9ff;
  --accent-2: #8dc5ff;
  --accent-dark: #2f6fb3;
  --focus: #5da9ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --container: 1180px;
  --header-height: 76px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--page);
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 8%, rgba(93, 169, 255, 0.10), transparent 28rem),
    radial-gradient(circle at 12% 28%, rgba(93, 169, 255, 0.055), transparent 25rem),
    var(--page);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea, select { font: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

::selection {
  color: #070b14;
  background: var(--accent);
}

.page-grid {
  position: fixed;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(104, 139, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(104, 139, 184, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 0%, rgba(0, 0, 0, 0.45) 55%, transparent 100%);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #070b14;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 20, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 780;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(93, 169, 255, 0.08);
  color: var(--accent);
  font: 800 0.72rem/1 var(--mono);
  letter-spacing: 0.04em;
  box-shadow: inset 0 0 0 1px rgba(93, 169, 255, 0.03);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav > a:not(.button) {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 680;
  text-decoration: none;
}
.site-nav > a:not(.button):hover { color: var(--text); }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}
.menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(4) { transform: translateY(-6px) rotate(-45deg); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--accent);
  border-radius: 9px;
  background: var(--accent);
  color: #070b14;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(93, 169, 255, 0.10);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.button:hover {
  transform: translateY(-2px);
  background: #83bdff;
  box-shadow: 0 14px 34px rgba(93, 169, 255, 0.17);
}
.button-small { min-height: 40px; padding-inline: 17px; font-size: 0.86rem; }
.button-light { border-color: var(--text); background: var(--text); color: #070b14; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-weight: 740;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--accent-2);
  font: 800 0.74rem/1.5 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}


.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.72fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
  min-height: auto;
  padding-block: clamp(64px, 7vw, 96px) clamp(42px, 5vw, 68px);
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3.1rem, 5.6vw, 5.15rem);
  line-height: 1;
  letter-spacing: -0.058em;
}

.hero-role {
  margin-bottom: 18px;
  font-size: clamp(0.78rem, 1.15vw, 0.92rem);
  letter-spacing: 0.11em;
}

.hero-summary {
  max-width: 720px;
  margin: 22px 0 0;
  color: #c6d3e6;
  font-size: clamp(1.12rem, 2vw, 1.48rem);
  font-weight: 520;
  line-height: 1.45;
  letter-spacing: -0.018em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 34px;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 760px;
  padding: 0;
  margin: 42px 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(13, 21, 38, 0.70);
  list-style: none;
  overflow: hidden;
}
.quick-facts li { padding: 18px 20px; }
.quick-facts li + li { border-left: 1px solid var(--line); }
.quick-facts strong, .quick-facts span { display: block; }
.quick-facts strong {
  color: var(--text);
  font: 760 0.93rem/1.35 var(--mono);
  letter-spacing: -0.02em;
}
.quick-facts span { margin-top: 5px; color: var(--muted); font-size: 0.78rem; }

.portrait-card {
  position: relative;
  width: min(100%, 430px);
  justify-self: end;
  align-self: center;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(93, 169, 255, 0.07), rgba(141, 197, 255, 0.025));
  box-shadow: var(--shadow);
}
.portrait-card::before,
.portrait-card::after {
  content: "";
  position: absolute;
  width: 54px;
  height: 54px;
  pointer-events: none;
}
.portrait-card::before {
  z-index: 2;
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-lg) 0 0 0;
}
.portrait-card::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  border-radius: 0 0 var(--radius-lg) 0;
}
.portrait-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 1306;
  border-radius: calc(var(--radius-lg) - 8px);
  object-fit: cover;
  background: var(--surface);
}
.projects-section { padding: 28px 0 84px; }
.projects-heading {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 0.68fr);
  gap: 40px;
  align-items: end;
  padding-bottom: 38px;
}
.projects-heading h2,
.contact-card h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.projects-heading > p { margin: 0; color: var(--muted); }

.projects-list { display: grid; gap: 28px; }
.project {
  position: relative;
  min-height: min(680px, calc(100vh - var(--header-height) - 28px));
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(93, 169, 255, 0.025), transparent 32%),
    var(--surface);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.19);
  scroll-margin-top: calc(var(--header-height) + 20px);
  scroll-snap-align: start;
  overflow: hidden;
}
.project::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 23px, rgba(93,169,255,.04) 24px, transparent 25px),
    linear-gradient(transparent 23px, rgba(93,169,255,.04) 24px, transparent 25px);
  background-size: 48px 48px;
  mask-image: linear-gradient(110deg, transparent 25%, black 100%);
}
.project-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(380px, 1.18fr);
  gap: clamp(30px, 4.5vw, 58px);
  align-items: center;
  min-height: 100%;
}
.project:nth-child(even) .project-inner {
  grid-template-columns: minmax(380px, 1.18fr) minmax(280px, 0.82fr);
}
.project:nth-child(even) .project-media { order: 2; }
.project-media { min-width: 0; }

.media-stage {
  position: relative;
  display: grid;
  width: min(100%, calc(56vh * var(--media-ratio, 1.7778)));
  max-width: 100%;
  margin-inline: auto;
  overflow: hidden;
  padding: 2px;
  aspect-ratio: var(--media-aspect, 16 / 9);
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 50% 45%, rgba(93, 169, 255, 0.055), transparent 62%),
    #070b14;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.24);
}
.media-stage img,
.media-stage video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.media-stage video { background: #02040a; }
.media-count {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(93, 169, 255, 0.32);
  border-radius: 6px;
  background: rgba(7, 11, 20, 0.80);
  color: var(--accent);
  font: 760 0.68rem/1.2 var(--mono);
  backdrop-filter: blur(8px);
}
.media-thumbnails {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 520px);
  margin: 12px auto 0;
}
.media-thumb {
  position: relative;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  padding: 2px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #070b14;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.media-thumb:hover { opacity: 1; transform: translateY(-2px); }
.media-thumb[aria-current="true"] { border-color: var(--accent); opacity: 1; box-shadow: 0 0 0 1px rgba(93,169,255,.16); }
.media-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: #070b14;
}
.media-thumb.video-thumb::after {
  content: "▶";
  position: absolute;
  inset: 50% auto auto 50%;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(93,169,255,.38);
  border-radius: 7px;
  background: rgba(7, 11, 20, 0.84);
  color: var(--accent);
  font-size: 0.66rem;
  transform: translate(-50%, -50%);
}

.project-number {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  color: var(--accent-2);
  font: 780 0.72rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.project-number::after { content: ""; width: 44px; height: 1px; background: var(--line-strong); }
.project-copy h3 {
  margin: 0;
  font-size: clamp(2.8rem, 4.8vw, 5.25rem);
  line-height: 1;
  letter-spacing: -0.055em;
}
.project-tagline { margin: 15px 0 0; color: var(--accent); font-weight: 740; }
.project-description {
  max-width: 62ch;
  margin: 26px 0 0;
  color: #b4c1d4;
  font-size: clamp(1.08rem, 1.35vw, 1.2rem);
  line-height: 1.78;
}
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}
.project-meta li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #bbc7d8;
  background: rgba(93, 169, 255, 0.045);
  font: 680 0.72rem/1.4 var(--mono);
}
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 34px;
}
.project-links .github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 760;
  text-decoration: none;
}
.project-links .github-link:hover { color: var(--accent); }

.project-progress {
  position: fixed;
  z-index: 80;
  top: 50%;
  right: 18px;
  display: grid;
  gap: 9px;
  transform: translateY(-50%);
}
.progress-dot {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 7px;
  background: rgba(7, 11, 20, 0.62);
  color: var(--muted);
  font: 800 0.63rem/1 var(--mono);
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.progress-dot[aria-current="true"] {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  color: var(--accent);
}

.contact-section { padding: 82px 0 120px; }
.contact-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(34px, 7vw, 82px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 50%, rgba(93, 169, 255, 0.12), transparent 23rem),
    var(--surface-raised);
  color: var(--text);
  overflow: hidden;
}
.contact-card::after {
  content: "01001101 01001010";
  position: absolute;
  right: 4%;
  bottom: -18px;
  color: rgba(93,169,255,.055);
  font: 900 clamp(2.5rem, 7vw, 7rem)/1 var(--mono);
  white-space: nowrap;
  pointer-events: none;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-card .eyebrow { color: var(--accent-2); }
.contact-card h2 { max-width: 760px; }
.contact-card p:not(.eyebrow) { margin: 18px 0 0; color: var(--muted); }

.site-footer { padding: 30px 0; border-top: 1px solid var(--line); }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.86rem;
}
.footer-inner p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 620ms ease, transform 620ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.noscript-message {
  position: fixed;
  z-index: 999;
  right: 16px;
  bottom: 16px;
  max-width: 420px;
  padding: 16px;
  border-radius: 10px;
  background: #8c2424;
  color: white;
}

@media (max-width: 1020px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr); gap: 48px; }
  .project-inner,
  .project:nth-child(even) .project-inner { grid-template-columns: 1fr; }
  .project:nth-child(even) .project-media { order: 0; }
  .project-copy { max-width: 760px; }
  .project-progress { display: none; }
}

@media (max-width: 760px) {
  :root { --header-height: 68px; --radius-lg: 20px; --radius-md: 14px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .page-grid { background-size: 34px 34px; }
  .menu-button { display: block; }
  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    gap: 0;
    padding: 18px 14px 24px;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 11, 20, 0.98);
    transform: translateY(-130%);
    visibility: hidden;
    transition: transform 220ms ease, visibility 220ms ease;
  }
  .site-nav.is-open { transform: translateY(0); visibility: visible; }
  .site-nav > a { padding: 15px 12px; }
  .site-nav .button { margin-top: 10px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 64px 54px; }
  .hero h1 { font-size: clamp(2.85rem, 12vw, 4.2rem); }
  .hero-summary { margin-top: 24px; }
  .quick-facts { grid-template-columns: 1fr; }
  .quick-facts li + li { border-top: 1px solid var(--line); border-left: 0; }
  .portrait-card { width: min(100%, 440px); max-width: 440px; justify-self: center; }
  .projects-section { padding-top: 40px; }
  .projects-heading { grid-template-columns: 1fr; padding-bottom: 40px; }
  .project { min-height: 0; padding: 14px; }
  .project-inner { gap: 34px; }
  .project-copy { padding: 0 7px 10px; }
  .project-copy h3 { font-size: clamp(2.75rem, 13.5vw, 4.35rem); }
  .project-description { font-size: 1.08rem; line-height: 1.72; }
  .media-stage { width: min(100%, calc(48vh * var(--media-ratio, 1.7778))); }
  .media-thumbnails {
    gap: 7px;
    overflow-x: auto;
    grid-template-columns: repeat(5, 84px);
    padding-bottom: 4px;
    scrollbar-width: thin;
  }
  .contact-card { align-items: flex-start; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .brand > span:last-child { font-size: 0.92rem; }
  .hero-actions, .project-links { align-items: stretch; flex-direction: column; }
  .hero-actions .button, .project-links .button, .contact-card .button { width: 100%; }
  .hero-actions .text-link, .project-links .github-link { justify-content: center; }
}

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