/* ============================================================================
   panoscool — personal page
   A tech/HUD themed single page. Plain CSS, no build step, no dependencies.

   Contents
     1. Tokens & themes      5. Hero
     2. Base & utilities     6. Apps + packages
     3. Backdrop             7. Contact & footer
     4. Top bar              8. Responsive & motion
   ========================================================================== */

/* ── 1. Tokens & themes ───────────────────────────────────────────────────── */

:root {
  color-scheme: light;

  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto,
    Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', 'JetBrains Mono', Menlo, Consolas,
    'Liberation Mono', monospace;

  /* surfaces */
  --bg: #eceff6;
  --bg-soft: #f7f9fc;
  --panel: rgba(255, 255, 255, 0.8);
  --panel-solid: #ffffff;
  --grid: rgba(20, 60, 150, 0.06);
  --grid-strong: rgba(20, 60, 150, 0.1);

  /* ink */
  --ink: #0c1424;
  --ink-soft: #26324a;
  --muted: #5a6883;

  /* lines */
  --line: rgba(12, 20, 36, 0.12);
  --line-strong: rgba(12, 20, 36, 0.22);

  /* accents */
  --accent: #0b5fef;
  --accent-ink: #0a4ed1;
  --accent-2: #7a2ff2;
  --live: #12a150;
  --glow: rgba(11, 95, 239, 0.16);
  --btn-ink: #ffffff;

  /* buy me a coffee brand */
  --bmc: #ffdd00;
  --bmc-ink: #17191f;

  /* ink that sits on a bright accent fill — dark reads best on every card accent */
  --on-accent: #0a1220;
  --accent-blend: 42%;

  /* console (stays dark in both themes — code is code) */
  --console-bg: #0c1220;
  --console-ink: #d8e2f7;
  --console-line: rgba(150, 180, 235, 0.16);

  --shadow-1: 0 1px 2px rgba(12, 20, 36, 0.05), 0 10px 26px rgba(12, 20, 36, 0.07);
  --shadow-2: 0 2px 6px rgba(12, 20, 36, 0.07), 0 24px 60px rgba(12, 20, 36, 0.14);

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1140px;
  --ease: cubic-bezier(0.22, 0.8, 0.28, 1);
}

/* System preference — only when the visitor has not chosen explicitly. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;

    --bg: #05070e;
    --bg-soft: #0a1020;
    --panel: rgba(13, 19, 34, 0.62);
    --panel-solid: #0c1322;
    --grid: rgba(110, 160, 255, 0.07);
    --grid-strong: rgba(110, 160, 255, 0.12);

    --ink: #e9effb;
    --ink-soft: #c6d2ea;
    --muted: #8c9cbb;

    --line: rgba(150, 180, 235, 0.14);
    --line-strong: rgba(150, 180, 235, 0.3);

    --accent: #33dfff;
    --accent-ink: #5fe6ff;
    --accent-2: #a97bff;
    --live: #34d399;
    --glow: rgba(51, 223, 255, 0.18);
    --btn-ink: #04131b;
    --accent-blend: 76%;

    --console-bg: rgba(6, 10, 20, 0.82);
    --console-ink: #dde7fa;
    --console-line: rgba(150, 180, 235, 0.18);

    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.5), 0 12px 30px rgba(0, 0, 0, 0.45);
    --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.55), 0 30px 70px rgba(0, 0, 0, 0.55);
  }
}

/* Explicit choice wins in both directions. */
:root[data-theme='dark'] {
  color-scheme: dark;

  --bg: #05070e;
  --bg-soft: #0a1020;
  --panel: rgba(13, 19, 34, 0.62);
  --panel-solid: #0c1322;
  --grid: rgba(110, 160, 255, 0.07);
  --grid-strong: rgba(110, 160, 255, 0.12);

  --ink: #e9effb;
  --ink-soft: #c6d2ea;
  --muted: #8c9cbb;

  --line: rgba(150, 180, 235, 0.14);
  --line-strong: rgba(150, 180, 235, 0.3);

  --accent: #33dfff;
  --accent-ink: #5fe6ff;
  --accent-2: #a97bff;
  --live: #34d399;
  --glow: rgba(51, 223, 255, 0.18);
  --btn-ink: #04131b;
  --accent-blend: 76%;

  --console-bg: rgba(6, 10, 20, 0.82);
  --console-ink: #dde7fa;
  --console-line: rgba(150, 180, 235, 0.18);

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.5), 0 12px 30px rgba(0, 0, 0, 0.45);
  --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.55), 0 30px 70px rgba(0, 0, 0, 0.55);
}

/* ── 2. Base & utilities ──────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-inline: clamp(16px, 4vw, 40px);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
}

p {
  margin: 0;
}

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

a:hover {
  text-decoration: underline;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

::selection {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 50%;
  z-index: 90;
  padding: 10px 16px;
  transform: translate(-50%, -200%);
  border-radius: 999px;
  background: var(--panel-solid);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: transform 0.25s var(--ease);
}

.skip-link:focus-visible {
  transform: translate(-50%, 0);
}

/* scroll progress rail */
.scroll-rail {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 60;
  background: var(--line);
}

.scroll-rail__bar {
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--glow);
}

/* mono eyebrow labels */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  max-width: 120px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.eyebrow__idx {
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--accent-ink);
  letter-spacing: 0.1em;
}

.eyebrow--sm {
  margin-bottom: 10px;
  font-size: 11px;
}

/* dots */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
}

.dot--live {
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 60%, transparent);
  animation: ping 2.6s infinite;
}

@keyframes ping {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 55%, transparent);
  }
  70%,
  100% {
    box-shadow: 0 0 0 9px transparent;
  }
}

/* chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
}

.chips li {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-solid) 55%, transparent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* buttons */
.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn svg.icon-fill {
  fill: currentColor;
  stroke: none;
}

.btn--primary {
  border-color: transparent;
  color: var(--btn-ink);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 24px var(--glow);
}

.btn--primary:hover {
  box-shadow: 0 14px 34px var(--glow);
}

/* light sweep across the primary button */
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.42) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}

.btn--primary:hover::after {
  transform: translateX(120%);
}

.btn--ghost {
  color: var(--ink);
  background: color-mix(in srgb, var(--panel-solid) 60%, transparent);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 8px 24px var(--glow);
}

.btn--coffee {
  border-color: transparent;
  color: var(--bmc-ink);
  background: linear-gradient(180deg, #ffe74d, var(--bmc));
  box-shadow: 0 8px 22px rgba(255, 200, 0, 0.28);
}

.btn--coffee:hover {
  box-shadow: 0 14px 30px rgba(255, 200, 0, 0.38);
}

.btn--coffee .steam {
  opacity: 0;
}

.btn--coffee:hover .steam {
  opacity: 1;
  animation: steam 1.6s ease-in-out infinite;
}

@keyframes steam {
  0% {
    opacity: 0;
    transform: translateY(2px);
  }
  40% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: translateY(-3px);
  }
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* panels */
.panel {
  position: relative;
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: var(--shadow-1);
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0ms);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ── 3. Backdrop ──────────────────────────────────────────────────────────── */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% -10%, var(--bg-soft) 0%, var(--bg) 55%);
}

/* blueprint grid: fine 26px mesh over a bold 130px mesh, faded downwards */
.backdrop__grid {
  position: absolute;
  inset: -2px;
  background-image: linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-strong) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-strong) 1px, transparent 1px);
  background-size: 26px 26px, 26px 26px, 130px 130px, 130px 130px;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.55) 45%, transparent 92%);
}

/* slow diagonal light beam */
.backdrop__beam {
  position: absolute;
  top: -40vh;
  left: -10vw;
  width: 60vw;
  height: 180vh;
  transform: rotate(18deg);
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--accent) 9%, transparent),
    transparent
  );
  filter: blur(30px);
  animation: beam 22s linear infinite alternate;
}

@keyframes beam {
  from {
    transform: rotate(18deg) translateX(-12vw);
  }
  to {
    transform: rotate(18deg) translateX(60vw);
  }
}

/* glow that follows the cursor */
.backdrop__pointer {
  position: absolute;
  top: 0;
  left: 0;
  width: 52vmax;
  height: 52vmax;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  transform: translate3d(calc(var(--mx, 50vw) - 26vmax), calc(var(--my, 30vh) - 26vmax), 0);
  transition: transform 0.5s var(--ease);
  will-change: transform;
}

/* circuit traces in two corners */
.circuit {
  position: absolute;
  width: clamp(240px, 34vw, 440px);
  height: clamp(240px, 34vw, 440px);
  opacity: 0.65;
}

.circuit--tr {
  top: 0;
  right: 0;
}

.circuit--bl {
  bottom: 0;
  left: 0;
}

.circuit__traces path {
  stroke: var(--grid-strong);
  stroke-width: 1.4;
}

.circuit__nodes circle {
  fill: var(--grid-strong);
}

.circuit__pulses path {
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-dasharray: 14 420;
  filter: drop-shadow(0 0 5px var(--accent));
  animation: pulse-run 7s linear infinite;
}

.circuit__pulses path:nth-child(2) {
  animation-duration: 9s;
  animation-delay: 1.6s;
}

.circuit__pulses path:nth-child(3) {
  animation-duration: 11s;
  animation-delay: 3.4s;
}

@keyframes pulse-run {
  from {
    stroke-dashoffset: 434;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* ── 4. Top bar ───────────────────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 0 14px;
  background: linear-gradient(to bottom, var(--bg) 72%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark svg {
  display: block;
  width: 30px;
  height: 33px;
}

.brand__hex {
  fill: color-mix(in srgb, var(--accent) 12%, transparent);
  stroke: var(--accent);
  stroke-width: 1.6;
}

.brand__glyph {
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.brand:hover .brand__hex {
  fill: color-mix(in srgb, var(--accent) 26%, transparent);
}

.brand__text span {
  color: var(--accent-ink);
}

.topnav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.topnav a {
  position: relative;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.topnav a:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--panel-solid) 70%, transparent);
  text-decoration: none;
}

/* theme switch: light / auto / dark */
.theme-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-solid) 60%, transparent);
  backdrop-filter: blur(8px);
}

.theme-switch__thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 34px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 14px var(--glow);
  transform: translateX(var(--thumb-x, 0));
  transition: transform 0.32s var(--ease);
}

.theme-switch__opt {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 34px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.24s var(--ease);
}

.theme-switch__opt svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.theme-switch__opt:hover {
  color: var(--ink);
}

.theme-switch__opt[aria-checked='true'] {
  color: var(--btn-ink);
}

/* ── 5. Hero ──────────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding-block: clamp(40px, 9vh, 96px) clamp(50px, 10vh, 110px);
}

.hero__hello {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 15px);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__name {
  font-size: clamp(2.6rem, 7.4vw, 4.6rem);
}

/* layered "signal" title: gradient fill + two ghost copies on hover */
.hero__title {
  position: relative;
  display: inline-block;
  background: linear-gradient(96deg, var(--ink) 18%, var(--accent-ink) 62%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__title::before,
.hero__title::after {
  content: attr(data-glitch);
  position: absolute;
  inset: 0;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease);
}

.hero__title::before {
  color: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% 46%, 0 46%);
}

.hero__title::after {
  color: var(--accent-2);
  clip-path: polygon(0 54%, 100% 54%, 100% 100%, 0 100%);
}

.hero__name:hover .hero__title::before {
  opacity: 0.85;
  animation: glitch-a 0.9s steps(2, end) infinite;
}

.hero__name:hover .hero__title::after {
  opacity: 0.85;
  animation: glitch-b 1.1s steps(2, end) infinite;
}

@keyframes glitch-a {
  0%,
  100% {
    transform: translate3d(-2px, -1px, 0);
  }
  50% {
    transform: translate3d(2px, 1px, 0);
  }
}

@keyframes glitch-b {
  0%,
  100% {
    transform: translate3d(2px, 1px, 0);
  }
  50% {
    transform: translate3d(-2px, -1px, 0);
  }
}

.hero__role {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.hero__bio {
  max-width: 56ch;
  margin-top: 18px;
  font-size: clamp(1rem, 1.2vw, 1.08rem);
  color: var(--muted);
}

.hero__bio b {
  color: var(--ink);
  font-weight: 600;
}

/* console card */
.hero__console {
  display: grid;
  gap: 14px;
}

.console {
  position: relative;
  border: 1px solid var(--console-line);
  border-radius: var(--radius);
  background: var(--console-bg);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.console::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0 1px,
    transparent 1px 3px
  );
}

.console__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--console-line);
  background: rgba(255, 255, 255, 0.035);
}

.console__lights {
  display: inline-flex;
  gap: 6px;
}

.console__lights i {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: #ff5f57;
}

.console__lights i:nth-child(2) {
  background: #febc2e;
}

.console__lights i:nth-child(3) {
  background: #28c840;
}

.console__path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--console-ink) 55%, transparent);
}

.console__body {
  margin: 0;
  padding: 18px 18px 22px;
  min-height: 232px;
  font-family: var(--font-mono);
  font-size: 12.8px;
  line-height: 1.85;
  color: var(--console-ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.console__body .c-prompt {
  color: #6ee7a8;
}

.console__body .c-cmd {
  color: #e9effb;
}

.console__body .c-out {
  color: #8fa8cf;
}

.console__body .c-out::before {
  content: '→ ';
  color: var(--accent);
}

.caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  vertical-align: -3px;
  background: var(--accent);
  animation: blink 1.1s steps(1, end) infinite;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* HUD tiles */
.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hud li {
  position: relative;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  backdrop-filter: blur(10px);
}

/* corner ticks */
.hud li::before,
.hud li::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  opacity: 0.55;
}

.hud li::before {
  top: 5px;
  left: 5px;
  border-width: 1px 0 0 1px;
}

.hud li::after {
  right: 5px;
  bottom: 5px;
  border-width: 0 1px 1px 0;
}

.hud__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.hud__v {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.hud__v--sm {
  font-size: 12.5px;
  font-weight: 600;
  padding-block: 5px;
}

/* ── 6. Apps + packages ───────────────────────────────────────────────────── */

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-block: clamp(40px, 8vh, 88px);
}

.section__head {
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.section__head h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}

.section__sub {
  margin-top: 12px;
  color: var(--muted);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(16px, 2vw, 22px);
}

.app-card {
  --card-accent: var(--accent);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

/* cursor spotlight */
.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(
    260px circle at var(--cx, 50%) var(--cy, 0%),
    color-mix(in srgb, var(--card-accent) 20%, transparent),
    transparent 68%
  );
  transition: opacity 0.35s var(--ease);
}

/* power line along the top edge */
.app-card::after {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent), transparent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.5s var(--ease);
}

.app-card:hover,
.app-card:focus-within {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--card-accent) 55%, var(--line));
  box-shadow: var(--shadow-2);
}

.app-card:hover::before,
.app-card:focus-within::before {
  opacity: 1;
}

.app-card:hover::after,
.app-card:focus-within::after {
  transform: scaleX(1);
}

.app-card__idx {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  opacity: 0.06;
  letter-spacing: -0.04em;
}

.app-card__icon {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  margin-bottom: 18px;
  border: 1px solid color-mix(in srgb, var(--card-accent) 35%, var(--line));
  border-radius: 16px;
  color: var(--ink-soft);
  background: radial-gradient(
      120% 120% at 20% 0%,
      color-mix(in srgb, var(--card-accent) 22%, transparent),
      transparent 70%
    ),
    color-mix(in srgb, var(--panel-solid) 70%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.app-card__icon svg {
  width: 38px;
  height: 38px;
}

.app-card__icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.app-card:hover .app-card__icon {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--card-accent) 28%, transparent);
}

.app-card__title {
  font-size: 1.4rem;
}

.app-card__tagline {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: color-mix(in srgb, var(--card-accent) var(--accent-blend), var(--ink));
}

.app-card__desc {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--muted);
}

.app-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.app-card__tags li {
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.app-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
}

.app-card__host {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.app-card__host span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-card__launch {
  --btn-bg: var(--card-accent);
  flex: none;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--on-accent);
  background: linear-gradient(
    120deg,
    var(--card-accent),
    color-mix(in srgb, var(--card-accent) 55%, var(--accent-2))
  );
  box-shadow: 0 6px 18px color-mix(in srgb, var(--card-accent) 30%, transparent);
  font-size: 12.5px;
}

.app-card__launch svg {
  transition: transform 0.3s var(--ease);
}

.app-card__launch:hover svg {
  transform: translate(3px, -3px);
}

/* npm packages strip */
.packages {
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px dashed var(--line-strong);
}

.pkg-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.pkg {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel-solid) 45%, transparent);
  color: inherit;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.pkg:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  text-decoration: none;
  background: color-mix(in srgb, var(--panel-solid) 75%, transparent);
}

.pkg__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-ink);
}

.pkg__name {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.pkg__desc {
  display: block;
  margin-top: 3px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ── 7. Contact & footer ──────────────────────────────────────────────────── */

.section--contact {
  padding-block: clamp(24px, 5vh, 56px) clamp(30px, 5vh, 60px);
}

.panel--contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  overflow: hidden;
  text-align: left;
}

.contact__copy {
  position: relative;
  z-index: 1;
}

/* decorative radar */
.beacon {
  position: relative;
  z-index: 1;
  width: clamp(150px, 16vw, 200px);
  aspect-ratio: 1;
  justify-self: end;
}

.beacon svg {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 14px var(--glow));
}

.beacon__ring {
  transform-origin: 100px 100px;
  animation: spin 26s linear infinite;
}

.beacon__ring--2 {
  animation-duration: 38s;
  animation-direction: reverse;
}

.beacon__ring--3 {
  animation-duration: 18s;
}

.beacon__sweep {
  transform-origin: 100px 100px;
  animation: spin 4.6s linear infinite;
}

.beacon__pulse {
  transform-origin: 100px 100px;
  animation: beacon-pulse 3.4s ease-out infinite;
}

.beacon__blips circle {
  animation: blip 3.4s ease-in-out infinite;
}

.beacon__blips circle:nth-child(2) {
  animation-delay: 1.1s;
}

.beacon__blips circle:nth-child(3) {
  animation-delay: 2.2s;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes beacon-pulse {
  0% {
    transform: scale(0.55);
    opacity: 0.55;
  }
  80%,
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

@keyframes blip {
  0%,
  100% {
    opacity: 0.15;
  }
  50% {
    opacity: 1;
  }
}

.panel--contact::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(90% 140% at 100% 0%, var(--glow), transparent 60%);
}

.panel--contact h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
}

.panel--contact .section__sub {
  max-width: 58ch;
}

.cta--wide {
  margin-top: 26px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 0 34px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.footer a {
  color: var(--muted);
  border-bottom: 1px solid var(--line-strong);
}

.footer a:hover {
  color: var(--accent-ink);
  text-decoration: none;
}

/* ── 8. Responsive & motion ───────────────────────────────────────────────── */

@media (max-width: 940px) {
  .hero {
    grid-template-columns: 1fr;
    padding-block: 28px 44px;
  }

  .hero__console {
    order: 2;
  }

  .console__body {
    min-height: 200px;
  }
}

@media (max-width: 860px) {
  .panel--contact {
    grid-template-columns: 1fr;
  }

  .beacon {
    display: none;
  }
}

@media (max-width: 620px) {
  .topnav {
    display: none;
  }

  .brand__text {
    font-size: 14px;
  }

  .hero__name {
    font-size: clamp(2.1rem, 11vw, 3rem);
  }

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

  .hud li:last-child {
    grid-column: span 2;
  }

  .cta .btn {
    flex: 1 1 100%;
    justify-content: center;
  }

  .app-card__foot {
    flex-direction: column;
    align-items: stretch;
  }

  .app-card__launch {
    justify-content: center;
  }

  .circuit {
    opacity: 0.4;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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

  .backdrop__beam,
  .circuit__pulses {
    display: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: var(--ink-soft);
    --line: var(--line-strong);
  }
}