:root {
  --bg: #070b12;
  --panel: #0c121d;
  --panel2: #0a1019;
  --text: #eef4f7;
  --muted: #94a3b4;
  --line: #1c2938;
  --accent: #37e6c2;
  --accent2: #66a6ff;

  --mono: "JetBrains Mono", monospace;
  --sans: "Manrope", system-ui, sans-serif;
}

/* =========================================================
   BASE
   ========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background:
    radial-gradient(circle at 80% 10%, #0b1a2c 0, transparent 28%),
    var(--bg);

  color: var(--text);

  font-family: var(--sans);
  line-height: 1.65;
}

body::before {
  content: "";

  position: fixed;
  inset: 0;

  pointer-events: none;

  background-image:
    linear-gradient(
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px
    );

  background-size: 42px 42px;

  mask-image: linear-gradient(
    to bottom,
    black,
    transparent 70%
  );

  z-index: -1;
}

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

/* =========================================================
   NAVIGATION
   ========================================================= */

.nav {
  height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 clamp(24px, 5vw, 76px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.06);

  background: rgba(7, 11, 18, 0.76);

  backdrop-filter: blur(14px);

  position: sticky;
  top: 0;

  z-index: 20;
}

.brand {
  font-weight: 800;
}

.brand span {
  margin-right: 9px;

  font-family: var(--mono);

  color: var(--accent);
}

.nav nav {
  display: flex;
  gap: 28px;

  font-size: 14px;

  color: #c3ccd6;
}

.nav nav a {
  transition: color 0.2s ease;
}

.nav nav a:hover {
  color: var(--accent);
}

/* =========================================================
   MAIN
   ========================================================= */

main {
  max-width: 1400px;
  margin: auto;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  min-height: 700px;

  display: grid;

  grid-template-columns: 1.05fr 0.95fr;

  gap: 70px;

  align-items: center;

  padding: 80px clamp(24px, 6vw, 90px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;

  font: 600 12px var(--mono);

  letter-spacing: 0.16em;

  color: var(--accent);
}

.hero h1 {
  margin: 0 0 32px;

  font-size: clamp(64px, 8vw, 118px);
  line-height: 0.88;

  letter-spacing: -0.065em;
}

.hero h1 span {
  color: transparent;

  -webkit-text-stroke: 1px #8090a3;
}

.lede {
  max-width: 650px;

  margin: 0 0 16px;

  font-size: clamp(22px, 2.2vw, 31px);
}

.lede em {
  font-style: normal;

  color: var(--accent);
}

.intro {
  max-width: 650px;

  color: var(--muted);

  font-size: 17px;
}

.intro strong {
  color: #dce8ed;

  font-weight: 600;
}

/* =========================================================
   BUTTONS
   ========================================================= */

.actions {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;

  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;

  gap: 16px;

  padding: 13px 18px;

  border: 1px solid #293849;
  border-radius: 7px;

  font: 600 13px var(--mono);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);

  border-color: #50647b;
}

.button.primary {
  background: var(--accent);

  border-color: var(--accent);

  color: #04110f;
}

.button.primary:hover {
  box-shadow: 0 8px 35px rgba(55, 230, 194, 0.2);
}

/* =========================================================
   HERO TERMINAL
   ========================================================= */

.terminal-wrap {
  position: relative;

  min-height: 430px;

  display: grid;
  place-items: center;
}

.terminal {
  position: relative;

  z-index: 2;

  width: min(100%, 570px);

  overflow: hidden;

  background: #050910;

  border: 1px solid #26394c;
  border-radius: 10px;

  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.55);

  transform: rotate(1deg);
}

.terminal-bar {
  height: 42px;

  display: flex;
  align-items: center;

  gap: 7px;

  padding: 0 15px;

  background: #0d1520;

  border-bottom: 1px solid #1c2a39;

  font: 11px var(--mono);

  color: #607286;
}

.terminal-bar i {
  width: 9px;
  height: 9px;

  border-radius: 50%;

  background: #314050;
}

.terminal-bar span {
  margin-left: 10px;
}

.terminal-body {
  min-height: 320px;

  padding: 30px 34px 36px;

  font: 14px/1.9 var(--mono);
}

.terminal-body p {
  margin: 0 0 7px;
}

.terminal-body b {
  color: var(--accent);
}

.terminal-body .output {
  padding-left: 18px;

  color: #98a8b8;
}

.cursor {
  color: var(--accent);

  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.orbit {
  position: absolute;

  width: 440px;
  height: 440px;

  border: 1px solid rgba(55, 230, 194, 0.12);
  border-radius: 50%;
}

.orbit-two {
  width: 520px;
  height: 260px;

  transform: rotate(-20deg);

  border-color: rgba(102, 166, 255, 0.1);
}

/* =========================================================
   TICKER
   ========================================================= */

.ticker {
  display: flex;
  justify-content: center;

  gap: 30px;

  overflow: hidden;

  padding: 16px 24px;

  border-block: 1px solid var(--line);

  white-space: nowrap;

  font: 500 12px var(--mono);

  color: #77889a;
}

.ticker i {
  color: #24455a;

  font-style: normal;
}

/* =========================================================
   SECTIONS
   ========================================================= */

.section {
  padding: 110px clamp(24px, 6vw, 90px);

  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0;

  font-size: clamp(38px, 5vw, 68px);
  line-height: 1;

  letter-spacing: -0.045em;
}

/* =========================================================
   ABOUT
   ========================================================= */

.about {
  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 100px;
}

.about-copy {
  max-width: 700px;

  font-size: 20px;

  color: #b4c0ca;
}

.about-copy p:first-child {
  margin-top: 0;
}

/* =========================================================
   SECTION HEADINGS
   ========================================================= */

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;

  gap: 40px;

  margin-bottom: 55px;
}

.section-heading > p {
  max-width: 430px;

  margin: 0;

  color: var(--muted);
}

/* =========================================================
   PROJECTS
   ========================================================= */

.project {
  display: grid;

  grid-template-columns: 60px 1fr 0.8fr;

  gap: 35px;

  align-items: stretch;

  padding: 38px 0;

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

.project:last-child {
  border-bottom: 1px solid var(--line);
}

.project-num {
  padding-top: 8px;

  font: 12px var(--mono);

  color: #526477;
}

.tags {
  display: flex;
  flex-wrap: wrap;

  gap: 8px;
}

.tags span {
  padding: 5px 9px;

  border: 1px solid #263849;
  border-radius: 999px;

  font: 10px var(--mono);

  color: var(--accent);
}

.project h3 {
  margin: 17px 0 12px;

  font-size: clamp(30px, 3vw, 47px);

  letter-spacing: -0.035em;
}

.project-main > p {
  max-width: 660px;

  color: var(--muted);
}

.feature-grid {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 8px 20px;

  margin: 25px 0;

  color: #b5c2cc;

  font-size: 13px;
}

.feature-grid span::before {
  content: "↳";

  margin-right: 8px;

  color: var(--accent);
}

.text-link {
  display: inline-block;

  margin-top: 20px;

  padding-bottom: 3px;

  border-bottom: 1px solid #526477;

  font: 600 12px var(--mono);

  color: #dce8ed;
}

.text-link:hover {
  color: var(--accent);

  border-color: var(--accent);
}

/* =========================================================
   PROJECT ART
   ========================================================= */

.project-art {
  min-height: 310px;

  display: grid;
  place-items: center;

  overflow: hidden;

  border: 1px solid #1b2a39;
  border-radius: 10px;

  background:
    radial-gradient(
      circle at 50% 30%,
      #102239,
      #080d15 68%
    );
}

/* =========================================================
   BARE MINIMUM OS CRT
   ========================================================= */

.crt {
  width: 76%;

  padding: 14px 14px 28px;

  background: #a99f87;

  border-radius: 12px;

  box-shadow: 0 20px 50px #000;
}

.crt-screen {
  padding: 24px;

  background: #03100c;

  border-radius: 9px;

  color: #a4ffcf;

  font: 12px/1.6 var(--mono);

  box-shadow: inset 0 0 35px #000;
}

.crt-screen p {
  margin: 2px;
}

.crt-screen span {
  color: var(--accent);
}

.crt-screen .dim {
  color: #5e8a73;
}

.crt-screen .prompt {
  margin-top: 12px;

  font-size: 22px;
}

/* =========================================================
   CHIP-8 EMULATOR
   ========================================================= */

.chip-art {
  padding: 38px;

  background:
    radial-gradient(
      circle at 50% 38%,
      rgba(77, 62, 195, 0.2),
      transparent 42%
    ),
    #080d15;
}

.chip8-machine {
  width: min(100%, 390px);

  overflow: hidden;

  background: #090e17;

  border: 1px solid #334050;
  border-radius: 8px;

  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.45),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

/* CHIP-8 header */

.chip8-header {
  height: 43px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 16px;

  border-bottom: 1px solid #263342;

  font: 600 10px var(--mono);

  letter-spacing: 0.08em;

  color: #8c9aaa;
}

.chip8-header span:first-child {
  color: #dce5ed;
}

.status-dot {
  display: inline-block;

  width: 7px;
  height: 7px;

  margin-right: 8px;

  background: var(--accent);

  border-radius: 50%;

  box-shadow:
    0 0 6px rgba(55, 230, 194, 0.8),
    0 0 14px rgba(55, 230, 194, 0.4);
}

/* CHIP-8 64x32 display */

.chip8-display {
  min-height: 190px;

  display: grid;
  place-items: center;

  overflow: hidden;

  border-bottom: 1px solid #263342;

  background:
    radial-gradient(
      circle at center,
      rgba(105, 82, 255, 0.15),
      transparent 55%
    ),
    #050810;

  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.65);
}

.pixel-grid {
  display: grid;

  grid-template-columns: repeat(8, 20px);
  grid-template-rows: repeat(6, 20px);

  gap: 3px;
}

.pixel {
  width: 20px;
  height: 20px;

  background: #0b1020;

  border-radius: 2px;
}

.pixel.on {
  background: #7562ff;

  box-shadow:
    0 0 8px rgba(117, 98, 255, 0.7),
    0 0 18px rgba(117, 98, 255, 0.35);
}

/* CHIP-8 lower panel */

.chip8-controls {
  display: grid;

  grid-template-columns: auto 1fr;

  gap: 28px;

  align-items: center;

  padding: 18px 20px 20px;

  background:
    linear-gradient(
      180deg,
      #0d141f,
      #0a1018
    );
}

/* 16-key hexadecimal keypad */

.chip8-keypad {
  display: grid;

  grid-template-columns: repeat(4, 25px);

  gap: 5px;
}

.chip8-keypad span {
  width: 25px;
  height: 25px;

  display: grid;
  place-items: center;

  background: #101824;

  border: 1px solid #314052;
  border-radius: 3px;

  font: 500 9px var(--mono);

  color: #98a8b8;

  cursor: default;

  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    background 0.15s ease;
}

.chip8-keypad span:hover {
  transform: translateY(-1px);

  background: #101d26;

  border-color: var(--accent);

  color: var(--accent);
}

/* CHIP-8 label */

.chip8-label {
  display: flex;
  flex-direction: column;

  font-family: var(--mono);
  line-height: 1.4;
}

.chip8-label strong {
  font-size: 15px;

  letter-spacing: 0.08em;

  color: #e4ebf0;
}

.chip8-label span {
  margin-top: 2px;

  font-size: 10px;

  letter-spacing: 0.16em;

  color: var(--accent);
}

.chip-features {
  margin-top: 22px;
}

/* =========================================================
   TOOLS
   ========================================================= */

.tools {
  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 80px;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;

  align-content: flex-start;
}

.tool-list span {
  padding: 12px 16px;

  background: #0c131e;

  border: 1px solid #1f3041;
  border-radius: 6px;

  font: 12px var(--mono);

  color: #c5d0da;
}

/* =========================================================
   CONTACT
   ========================================================= */

.contact {
  max-width: 1000px;
}

.contact > p:not(.section-kicker) {
  max-width: 680px;

  margin: 25px 0 30px;

  font-size: 19px;

  color: var(--muted);
}

/* =========================================================
   FOOTER
   ========================================================= */

footer {
  max-width: 1400px;

  display: flex;
  justify-content: space-between;

  gap: 20px;

  margin: auto;

  padding: 30px clamp(24px, 6vw, 90px) 55px;

  color: #647589;

  font: 11px var(--mono);
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */

.reveal {
  opacity: 0;

  transform: translateY(18px);

  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;

  transform: none;
}

/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {

  .nav nav a:not(:last-child) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;

    padding-top: 60px;
  }

  .terminal-wrap {
    min-height: 360px;
  }

  .about,
  .tools {
    grid-template-columns: 1fr;

    gap: 40px;
  }

  .project {
    grid-template-columns: 40px 1fr;
  }

  .project-art {
    grid-column: 2;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .ticker {
    justify-content: flex-start;
  }

  .orbit {
    display: none;
  }
}

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 560px) {

  .hero {
    padding-inline: 20px;
  }

  .hero h1 {
    font-size: 60px;
  }

  .section {
    padding: 80px 20px;
  }

  .terminal-body {
    padding: 22px 18px;

    font-size: 12px;
  }

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

  .project-num {
    display: none;
  }

  .project-art {
    grid-column: 1;
  }

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

  /* CHIP-8 mobile */

  .chip-art {
    padding: 22px 16px;
  }

  .chip8-machine {
    width: 100%;
  }

  .chip8-display {
    min-height: 170px;
  }

  .pixel-grid {
    transform: scale(0.8);
  }

  .chip8-controls {
    gap: 18px;

    padding: 16px;
  }

  .chip8-keypad {
    grid-template-columns: repeat(4, 23px);

    gap: 4px;
  }

  .chip8-keypad span {
    width: 23px;
    height: 23px;
  }

  .chip8-label strong {
    font-size: 13px;
  }

  .chip8-label span {
    font-size: 9px;
  }

  footer {
    flex-direction: column;

    padding-inline: 20px;
  }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;

    transform: none;

    transition: none;
  }

  .cursor {
    animation: none;
  }
}