/* ==========================================================================
   arustamov.dev :: drive mode
   A small planet, a car, and every system I have built standing beside the road.
   ========================================================================== */

:root {
  --void: #050506;
  --ink: #ffffff;
  --soft: #a8a39d;
  --faint: #6c6863;
  --orange: #ff5a00;
  --glass: rgba(12, 12, 14, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--void);
  color: var(--ink);
  font-family: var(--sans);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}
canvas { display: block; outline: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ------------------------------------------------------------------ loader */
.load {
  position: fixed; inset: 0; z-index: 90;
  display: grid; place-items: center;
  background: var(--void);
  transition: opacity 0.9s var(--ease), visibility 0s linear 0.9s;
}
.load.gone { opacity: 0; visibility: hidden; }
.load-in { width: min(340px, 80vw); }
.load-mark svg { display: block; width: 72px; height: 72px; border-radius: 18px; box-shadow: 0 10px 40px -12px rgba(255, 90, 0, 0.6); }
.load-bar { height: 2px; background: rgba(255,255,255,0.1); margin: 28px 0 12px; overflow: hidden; }
.load-bar i { display: block; height: 100%; width: 0; background: var(--orange); transition: width 0.4s var(--ease); }
.load-t { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }

/* --------------------------------------------------------------------- hud */
.hud { position: fixed; inset: 0; z-index: 20; pointer-events: none; }
.hud > * { pointer-events: auto; }

.brand {
  position: absolute; top: 22px; left: 26px;
  display: flex; align-items: baseline; gap: 12px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
}
.brand b {
  font-weight: 800; font-size: 1.35rem; letter-spacing: -0.04em;
  font-variation-settings: "wdth" 108;
}
.brand span { font-size: 0.78rem; color: var(--soft); letter-spacing: 0.04em; }
.brand svg { width: 32px; height: 32px; border-radius: 9px; align-self: center; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14); }

/* the switch between the two versions, same position as on the simple site */
.mode {
  position: absolute; top: 18px; right: 22px;
  display: flex; padding: 4px; gap: 2px;
  background: var(--glass); border: 1px solid var(--line); border-radius: 999px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.mode a, .mode span {
  padding: 0.5rem 1rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.mode a { color: var(--soft); }
.mode a:hover { color: var(--ink); background: rgba(255,255,255,0.08); }
.mode [aria-current] { background: var(--orange); color: #000; }

/* jump list: a hiring manager should not have to drive to find the work */
.jump {
  position: absolute; top: 50%; right: 22px; transform: translateY(-50%);
  width: 236px; max-height: 70vh; overflow: auto;
  background: var(--glass); border: 1px solid var(--line); border-radius: 14px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding: 14px 8px 8px;
  scrollbar-width: none;
}
.jump::-webkit-scrollbar { display: none; }
.jump h2 {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint); padding: 0 10px 8px;
}
.jump ol { list-style: none; counter-reset: st; }
.jump li { counter-increment: st; }
.jump li button {
  width: 100%; text-align: left;
  display: grid; grid-template-columns: 26px 1fr; gap: 6px; align-items: baseline;
  padding: 0.5rem 10px; border-radius: 8px;
  font-size: 0.82rem; line-height: 1.25; color: var(--soft);
  transition: background 0.2s, color 0.2s;
}
.jump li button::before {
  content: counter(st, decimal-leading-zero);
  font-size: 0.7rem; color: var(--faint); font-variant-numeric: tabular-nums;
}
.jump li button:hover { background: rgba(255,255,255,0.07); color: var(--ink); }
.jump button[data-near="true"] { color: var(--ink); background: rgba(255,90,0,0.16); }
.jump button[data-near="true"]::before { color: var(--orange); }
.jump .hide {
  display: block; margin: 8px 10px 4px; font-size: 0.72rem; color: var(--faint);
}
.jump .hide:hover { color: var(--ink); }
.jump[data-collapsed="true"] ol { display: none; }

.keys {
  position: absolute; left: 26px; bottom: 24px;
  display: flex; flex-wrap: wrap; gap: 14px 18px; max-width: 540px;
  font-size: 0.76rem; color: var(--soft);
  text-shadow: 0 2px 14px rgba(0,0,0,0.7);
}
.keys span { display: inline-flex; align-items: center; gap: 7px; }
kbd {
  display: inline-grid; place-items: center; min-width: 24px; height: 24px; padding: 0 6px;
  border: 1px solid rgba(255,255,255,0.22); border-bottom-width: 2px; border-radius: 6px;
  font: 600 0.7rem var(--sans); color: var(--ink); background: rgba(0,0,0,0.35);
}

.speed {
  position: absolute; right: 26px; bottom: 20px; text-align: right;
  text-shadow: 0 2px 18px rgba(0,0,0,0.6);
}
.speed b {
  display: block; font-weight: 800; font-size: 2.8rem; line-height: 1; letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums; font-variation-settings: "wdth" 100;
}
.speed span { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.speed[data-boost="true"] b { color: var(--orange); }

.near {
  position: absolute; left: 50%; bottom: 92px;
  transform: translate(-50%, 16px); opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.4s var(--ease);
  pointer-events: none;
}
.near.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.near button {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 14px 12px 20px;
  background: var(--glass); border: 1px solid var(--line); border-radius: 999px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  white-space: nowrap;
}
.near small { display: block; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); }
.near strong { display: block; font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.near kbd { background: var(--orange); color: #000; border-color: var(--orange); }

.pins { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
/* labels on the world never sit over the controls */
.hud > :not(.pins) { z-index: 1; }
.pin {
  position: absolute; transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  text-shadow: 0 1px 10px rgba(0,0,0,0.9);
  white-space: nowrap;
}
.pin i { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(255,90,0,0.25); }

/* ------------------------------------------------------------------- intro */
.intro {
  position: fixed; inset: 0; z-index: 40;
  display: grid; place-items: center;
  background: radial-gradient(ellipse at 50% 60%, rgba(5,5,6,0.35), rgba(5,5,6,0.88) 70%);
  transition: opacity 0.6s var(--ease), visibility 0s linear 0.6s;
}
.intro.gone { opacity: 0; visibility: hidden; }
.intro-in { width: min(620px, 88vw); text-align: center; }
.intro small {
  font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange);
}
.intro h1 {
  margin: 14px 0 16px;
  font-weight: 800; font-size: clamp(2.6rem, 5.4vw, 4.6rem); line-height: 0.95; letter-spacing: -0.045em;
  font-variation-settings: "wdth" 106;
}
.intro p { color: var(--soft); font-size: 1.05rem; line-height: 1.55; max-width: 46ch; margin: 0 auto; }
.intro .row { display: flex; justify-content: center; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0.9rem 1.5rem; border-radius: 999px;
  font-size: 0.92rem; font-weight: 700;
  border: 1px solid var(--line); background: rgba(255,255,255,0.04);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.3); }
.btn-pri { background: var(--orange); border-color: var(--orange); color: #000; }
.btn-pri:hover { background: #ff7124; border-color: #ff7124; }
.intro .keys-inline {
  margin-top: 26px; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
  font-size: 0.78rem; color: var(--faint);
}
.intro .keys-inline span { display: inline-flex; gap: 6px; align-items: center; }

/* ------------------------------------------------------------------- panel */
.panel {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(0,0,0,0.35);
  opacity: 0; visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0s linear 0.45s;
}
.panel.on { opacity: 1; visibility: visible; transition-delay: 0s; }
.sheet {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(560px, 100vw);
  background: #0b0b0c; border-left: 1px solid var(--line);
  transform: translateX(104%);
  transition: transform 0.7s cubic-bezier(0.7, 0, 0.2, 1);
  overflow-y: auto; overscroll-behavior: contain;
  user-select: text;
}
.panel.on .sheet { transform: translateX(0); }
.sheet-in { padding: 64px 44px 48px; }
.sheet .x {
  position: absolute; top: 18px; right: 18px;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 1.1rem;
  transition: background 0.2s, transform 0.3s var(--ease);
}
.sheet .x:hover { background: rgba(255,255,255,0.08); transform: rotate(90deg); }
.sheet .kicker {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange);
}
.sheet h2 {
  margin: 12px 0 20px;
  font-weight: 800; font-size: clamp(2rem, 3.2vw, 2.7rem); line-height: 1; letter-spacing: -0.04em;
  font-variation-settings: "wdth" 104;
}
.sheet .lead {
  font-family: var(--serif); font-size: 1.22rem; line-height: 1.5; color: #e9e6e2;
}
.sheet h3 {
  margin: 34px 0 12px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint);
}
.sheet ul.parts { list-style: none; border-top: 1px solid var(--line); }
.sheet ul.parts li {
  display: grid; grid-template-columns: 30px 1fr; gap: 8px;
  padding: 0.72rem 0; border-bottom: 1px solid var(--line);
  font-size: 0.96rem; line-height: 1.4; color: #dedad5;
}
.sheet ul.parts li::before {
  content: attr(data-n); font-size: 0.72rem; color: var(--orange); padding-top: 0.18rem;
  font-variant-numeric: tabular-nums;
}
.sheet .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sheet .chips span {
  padding: 0.35rem 0.7rem; border-radius: 999px; border: 1px solid var(--line);
  font-size: 0.78rem; color: var(--soft);
}
.sheet .facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 28px; }
.sheet .facts div { background: #0b0b0c; padding: 16px 18px; }
.sheet .facts div:last-child:nth-child(odd) { grid-column: span 2; }
.sheet .facts b { display: block; font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; color: var(--orange); }
.sheet .facts span { font-size: 0.82rem; color: var(--soft); }
.sheet .note { margin-top: 24px; font-size: 0.88rem; line-height: 1.55; color: var(--soft); }
.sheet .foot { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.sheet .svc { border-top: 1px solid var(--line); padding: 18px 0; }
.sheet .svc:last-of-type { border-bottom: 1px solid var(--line); }
.sheet .svc strong { display: block; font-size: 1.05rem; margin-bottom: 6px; }
.sheet .svc p { font-size: 0.92rem; line-height: 1.5; color: var(--soft); }

/* ---------------------------------------------------------- not a desktop */
.small-screen {
  position: fixed; inset: 0; z-index: 95; display: none;
  place-items: center; padding: 28px; text-align: center; background: var(--void);
}
.small-screen h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.04em; margin-bottom: 12px; }
.small-screen p { color: var(--soft); line-height: 1.55; margin-bottom: 24px; }
html.no-drive .small-screen { display: grid; }
html.no-drive .hud, html.no-drive .intro, html.no-drive canvas { display: none; }

@media (max-width: 1180px) { .jump { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .sheet, .panel, .near, .intro, .load { transition: none; }
}

/* hydrogen: how much flying is left */
.fuel {
  position: absolute; right: 26px; bottom: 96px; width: 150px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; color: var(--soft);
  text-shadow: 0 2px 14px rgba(0,0,0,0.7);
}
.fuel b { flex: 1; height: 6px; border-radius: 9px; background: rgba(255,255,255,0.12); overflow: hidden; }
.fuel i { display: block; height: 100%; background: linear-gradient(90deg, #7fd3ff, #e4f5ff); transform-origin: 0 50%; }
.fuel[data-low="true"] i { background: var(--orange); }