/* ==========================================================================
   Mirsaid Abbasov · v3
   70% engineer terminal, 30% cinematic editorial. Dark base, warm amber.
   ========================================================================== */

:root {
  --bg: #0c0b0a;
  --bg-2: #100e0d;
  --panel: #151311;
  --panel-2: #1b1815;
  --line: #25221e;
  --line-2: #38322b;
  --text: #ede6d9;
  --text-2: #bcb3a5;
  --muted: #8c8376;
  --faint: #5e574e;
  --amber: #e8a33a;
  --amber-2: #f3c27d;
  --amber-dim: rgba(232, 163, 58, 0.12);
  --amber-line: rgba(232, 163, 58, 0.38);
  --ok: #8fbf8a;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;

  --max: 1320px;
  --gut: clamp(20px, 5vw, 64px);
  --bar: 60px;
  --r: 10px;
  --r-lg: 16px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  color-scheme: dark;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar) + 12px);
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--line-2) var(--bg);
}
@media (min-width: 1440px) { html { font-size: 18px; } }
@media (max-width: 640px) { html { font-size: 16px; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* film grain: the 30% cinematic */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection { background: var(--amber); color: #120e08; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--faint); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.mono { font-family: var(--mono); }
.amber { color: var(--amber); }
.muted { color: var(--muted); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--amber); color: #120e08; padding: 8px 14px; border-radius: 8px;
  font-family: var(--mono); font-size: 0.8rem;
}
.skip:focus { top: 12px; }

/* editorial italic accent */
.it { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--amber); letter-spacing: -0.01em; }

/* ---------------------------------------------------------------- topbar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--bar);
  background: rgba(12, 11, 10, 0.78);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  height: 100%;
  display: flex; align-items: center; gap: 24px;
}
.brand {
  font-family: var(--mono); font-size: 0.86rem; color: var(--text);
  display: inline-flex; align-items: center; gap: 2px; white-space: nowrap;
}
.brand .p { color: var(--amber); }
.brand .d { color: var(--faint); }
.caret {
  display: inline-block; width: 0.55em; height: 1.05em; margin-left: 3px;
  background: var(--amber); transform: translateY(1px);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
  padding: 7px 11px; border-radius: 7px; transition: color .2s, background .2s;
}
.nav a:hover { color: var(--text); background: var(--panel); }
.nav a.on { color: var(--amber); }
.nav a .n { color: var(--faint); margin-right: 5px; }
.bar-right { display: flex; align-items: center; gap: 12px; }
.clock { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); white-space: nowrap; }
.clock b { color: var(--text-2); font-weight: 500; }
.kbtn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.76rem; color: var(--text-2);
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 8px;
  padding: 6px 10px; cursor: pointer; transition: border-color .2s, color .2s;
}
.kbtn:hover { border-color: var(--amber-line); color: var(--text); }
kbd {
  font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
  border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px;
  padding: 1px 5px; background: var(--bg-2);
}
.menu-btn { display: none; }

.menu-btn svg { width: 15px; height: 15px; }
@media (max-width: 980px) {
  .nav, .clock, .kbtn.k { display: none; }
  .bar-right { margin-left: auto; }
  .menu-btn { display: inline-flex; padding: 8px 12px; }
}

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.01em;
  padding: 13px 20px; border-radius: 9px; border: 1px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), background .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translate(2px, -2px); }
.btn.down:hover svg { transform: translateY(2px); }
.btn-primary { background: var(--amber); color: #150f07; font-weight: 600; }
.btn-primary:hover { background: var(--amber-2); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--amber-line); background: var(--amber-dim); }
.btn-sm { padding: 8px 13px; font-size: 0.76rem; border-radius: 7px; }
.link {
  font-family: var(--mono); font-size: 0.8rem; color: var(--amber);
  display: inline-flex; align-items: center; gap: 6px;
  border-bottom: 1px solid var(--amber-line); padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.link:hover { color: var(--amber-2); border-color: var(--amber-2); }
.link svg { width: 13px; height: 13px; }

.chip {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: 0.72rem; color: var(--text-2);
  border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 9px;
  background: transparent; white-space: nowrap;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; }

/* ---------------------------------------------------------------- sections */
.section { padding: clamp(84px, 13vh, 150px) 0; position: relative; }
.sec-head { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.sec-id { font-family: var(--mono); font-size: 0.78rem; color: var(--amber); letter-spacing: 0.04em; }
.sec-name { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); text-transform: lowercase; }
.sec-rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), transparent); }
.h2 {
  font-size: clamp(2.5rem, 6.2vw, 5.4rem);
  line-height: 0.98; letter-spacing: -0.045em; font-weight: 600;
  margin: 0 0 22px;
  text-wrap: balance;
}
.lede { color: var(--text-2); font-size: 1.12rem; max-width: 62ch; margin: 0; text-wrap: pretty; }

/* reveal */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------- hero */
.hero { position: relative; padding: clamp(44px, 9vh, 100px) 0 clamp(60px, 10vh, 110px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto auto; width: 70vw; height: 70vw;
  background: radial-gradient(closest-side, rgba(232, 163, 58, 0.12), rgba(232, 163, 58, 0.03) 55%, transparent 72%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 0 clamp(32px, 5vw, 72px); align-items: start; position: relative; }
.hero-head { grid-column: 1 / -1; }
.hero-main { padding-top: 8px; }
.kicker { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); display: flex; align-items: center; gap: 10px; margin-bottom: 26px; }
.dot-ok { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(143, 191, 138, 0.14); }
.h1 {
  font-size: clamp(3.1rem, 8.2vw, 7.4rem);
  line-height: 0.92; letter-spacing: -0.055em; font-weight: 600; margin: 0 0 30px;
}
.h1 .line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.h1 .line > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); }
.loaded .h1 .line > span { transform: none; }
.loaded .h1 .line:nth-child(2) > span { transition-delay: .08s; }
.loaded .h1 .line:nth-child(3) > span { transition-delay: .16s; }
.hero-copy { color: var(--text-2); font-size: 1.14rem; max-width: 34em; margin: 0 0 34px; }
.hero-copy b { color: var(--text); font-weight: 500; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-ctas .hint { font-family: var(--mono); font-size: 0.75rem; color: var(--faint); margin-left: 6px; }

/* terminal window */
.term {
  background: linear-gradient(180deg, #171411, #110f0d);
  border: 1px solid var(--line-2); border-radius: var(--r-lg);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  overflow: hidden;
}
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); display: block; }
.term-bar i:first-child { background: var(--amber); opacity: 0.85; }
.term-bar span { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); margin-left: 8px; }
.term-body {
  font-family: var(--mono); font-size: 0.84rem; line-height: 1.75; color: var(--text-2);
  padding: 18px 20px 22px; min-height: 19.5em; white-space: pre-wrap; word-break: break-word;
}
.term-body .pr { color: var(--amber); }
.term-body .cm { color: var(--text); }
.term-body .dim { color: var(--faint); }
.term-body .ok { color: var(--ok); }
.term-body .val { display: inline-block; vertical-align: top; max-width: calc(100% - 10ch); }
.term-body .cur { display: inline-block; width: 0.6em; height: 1.1em; background: var(--amber); vertical-align: -0.2em; animation: blink 1.1s steps(1) infinite; }

.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-top: clamp(56px, 9vh, 96px);
}
.stat { padding: 22px 20px 20px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat .v { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.stat .l { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); margin-top: 10px; }

/* ticker */
.ticker { border-bottom: 1px solid var(--line); overflow: hidden; padding: 16px 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: flex; gap: 42px; width: max-content; animation: tick 48s linear infinite; }
.ticker-track span { font-family: var(--mono); font-size: 0.8rem; color: var(--faint); white-space: nowrap; }
.ticker-track span b { color: var(--amber); font-weight: 400; margin-right: 10px; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------- work */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 34px 0 20px; }
.filters .pr { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); margin-right: 6px; }
.filters .pr b { color: var(--amber); font-weight: 400; }
.fbtn {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
  background: transparent; border: 1px solid var(--line-2); border-radius: 7px;
  padding: 6px 12px; cursor: pointer; transition: all .2s;
}
.fbtn:hover { color: var(--text); border-color: var(--faint); }
.fbtn[aria-pressed="true"] { color: #150f07; background: var(--amber); border-color: var(--amber); }
.fbtn .c { opacity: 0.6; margin-left: 6px; }

.plist { border-top: 1px solid var(--line); }
.prow { border-bottom: 1px solid var(--line); }
.prow[hidden] { display: none; }
.prow-head {
  width: 100%; display: grid; align-items: center;
  grid-template-columns: 3.4rem minmax(0, 1.25fr) minmax(0, 1fr) 7.5rem 2rem;
  gap: 18px; padding: 22px 8px; text-align: left; background: transparent; border: 0; cursor: pointer;
  transition: background .25s;
  position: relative;
}
.prow-head:hover { background: linear-gradient(90deg, var(--amber-dim), transparent 70%); }
.prow .idx { font-family: var(--mono); font-size: 0.8rem; color: var(--faint); transition: color .2s; }
.prow-head:hover .idx, .prow.open .idx { color: var(--amber); }
.prow .ttl { font-size: clamp(1.25rem, 2.2vw, 1.75rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; }
.prow .tg { display: block; font-size: 0.9rem; color: var(--muted); font-weight: 400; letter-spacing: 0; margin-top: 4px; }
.prow .stack { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }
.prow .yr { font-family: var(--mono); font-size: 0.78rem; color: var(--text-2); text-align: right; }
.prow .pm { width: 22px; height: 22px; position: relative; justify-self: end; }
.prow .pm::before, .prow .pm::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: var(--text-2);
  transform: translate(-50%, -50%); transition: transform .35s var(--ease), background .2s;
}
.prow .pm::after { transform: translate(-50%, -50%) rotate(90deg); }
.prow.open .pm::after { transform: translate(-50%, -50%) rotate(0deg); }
.prow.open .pm::before, .prow.open .pm::after { background: var(--amber); }
.prow-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
.prow.open .prow-body { grid-template-rows: 1fr; }
.prow-inner { overflow: hidden; }
.prow-detail {
  display: grid; grid-template-columns: 3.4rem minmax(0, 1.25fr) minmax(0, 1fr); gap: 18px;
  padding: 0 8px 30px;
}
.prow-detail p { margin: 0; color: var(--text-2); max-width: 62ch; }
.prow-detail .side { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.prow-detail .links { display: flex; flex-wrap: wrap; gap: 10px; }
.prow-detail .date { font-family: var(--mono); font-size: 0.74rem; color: var(--faint); }

@media (max-width: 860px) {
  .prow-head { grid-template-columns: 2.4rem minmax(0, 1fr) 1.6rem; gap: 12px; padding: 20px 2px; }
  .prow .stack, .prow .yr { display: none; }
  .prow-detail { grid-template-columns: 2.4rem minmax(0, 1fr); padding: 0 2px 26px; }
  .prow-detail .side { grid-column: 2; }
}

/* ---------------------------------------------------------------- experience */
.xlog { margin-top: 44px; position: relative; }
.xitem {
  display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 36px;
  padding: 34px 0; border-top: 1px solid var(--line); position: relative;
}
.xitem:last-child { border-bottom: 1px solid var(--line); }
.xmeta { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); line-height: 1.7; }
.xmeta span { display: block; }
.xmeta .d { color: var(--text); }
.xmeta .cur { color: var(--amber); display: inline-flex; align-items: center; gap: 6px; }
.xhead { display: flex; gap: 16px; align-items: center; margin-bottom: 14px; }
.xlogo {
  width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0; overflow: hidden;
  background: var(--panel-2); border: 1px solid var(--line-2);
  display: grid; place-items: center; font-family: var(--mono); font-size: 0.8rem; color: var(--amber);
}
.xlogo img { width: 100%; height: 100%; object-fit: cover; }
.xrole { font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; margin: 0; }
.xco { font-family: var(--mono); font-size: 0.78rem; color: var(--amber); margin-top: 3px; }
.xlead { color: var(--text); margin: 0 0 14px; max-width: 70ch; }
.xbul { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 9px; max-width: 72ch; }
.xbul li { position: relative; padding-left: 22px; color: var(--text-2); font-size: 0.97rem; }
.xbul li::before { content: "›"; position: absolute; left: 4px; top: -1px; color: var(--amber); font-family: var(--mono); }
.xbul li.more { display: none; }
.xitem.expanded .xbul li.more { display: list-item; }
.xtoggle {
  font-family: var(--mono); font-size: 0.76rem; color: var(--muted); background: none; border: 0; padding: 0; cursor: pointer;
  margin: -6px 0 16px;
}
.xtoggle:hover { color: var(--amber); }
@media (max-width: 760px) {
  .xitem { grid-template-columns: 1fr; gap: 14px; padding: 28px 0; }
  .xmeta { display: flex; flex-wrap: wrap; gap: 4px 14px; }
}

/* ---------------------------------------------------------------- journey teaser */
.jt { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
.jt-globe { position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 620px; justify-self: center; }
.jt-globe canvas { width: 100%; height: 100%; display: block; }
.jt-globe .hint { position: absolute; bottom: -4px; left: 0; right: 0; text-align: center; font-family: var(--mono); font-size: 0.72rem; color: var(--faint); pointer-events: none; }
.route { list-style: none; padding: 0; margin: 30px 0 34px; display: grid; gap: 0; }
.route li {
  display: grid; grid-template-columns: 4.2rem 1fr auto; gap: 12px; align-items: baseline;
  padding: 11px 0; border-bottom: 1px dashed var(--line-2); font-family: var(--mono); font-size: 0.82rem;
}
.route li .y { color: var(--amber); }
.route li .c { color: var(--text); }
.route li .w { color: var(--faint); font-size: 0.74rem; }
.km { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); margin-bottom: 26px; }
.km b { color: var(--text); font-weight: 500; }
@media (max-width: 900px) {
  .jt { grid-template-columns: 1fr; }
  .jt-globe { order: -1; max-width: 460px; }
}

/* ---------------------------------------------------------------- about */
.about { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
@media (min-width: 901px) { .portrait { position: sticky !important; top: calc(var(--bar) + 32px); } }
.portrait { position: relative; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line-2); background: var(--panel); aspect-ratio: 4 / 5; }
.portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08) brightness(0.92); transition: filter .8s var(--ease); }
.portrait::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(12, 11, 10, 0.85)), rgba(232, 163, 58, 0.18); mix-blend-mode: normal; pointer-events: none; }
.portrait:hover img { filter: grayscale(0.2) contrast(1.02) brightness(1); }
.portrait .cap { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 1; font-family: var(--mono); font-size: 0.74rem; color: var(--text-2); display: flex; justify-content: space-between; }
.bio p { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--text-2); margin: 0 0 18px; text-wrap: pretty; }
.bio p b { color: var(--text); font-weight: 500; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.box { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-2); padding: 22px; }
.box-title { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); margin: 0 0 16px; display: flex; justify-content: space-between; }
.box-title b { color: var(--amber); font-weight: 400; }
.lang { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; font-family: var(--mono); font-size: 0.8rem; padding: 5px 0; }
.lang .nm { display: block; line-height: 1.35; }
.lang .lv { display: block; color: var(--faint); font-size: 0.7rem; }
.lang .meter { display: flex; gap: 3px; }
.lang .meter i { width: 7px; height: 12px; border-radius: 2px; background: var(--line-2); display: block; }
.lang .meter i.on { background: var(--amber); }
.kv { display: grid; grid-template-columns: 6.6rem 1fr; gap: 12px; font-family: var(--mono); font-size: 0.8rem; padding: 6px 0; }
.small { font-size: 0.74rem; }
.skills { display: grid; gap: 14px; }
.skills .g { display: grid; grid-template-columns: 8.5rem 1fr; gap: 12px; align-items: start; }
.skills .gn { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); padding-top: 4px; }
@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; }
  .portrait { max-width: 420px; aspect-ratio: 1 / 1; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .skills .g { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------------------------------------------------------------- education */
.edu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 40px; }
.ecard {
  border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-2);
  padding: 26px; display: flex; flex-direction: column; gap: 16px; transition: border-color .3s, transform .4s var(--ease);
}
.ecard:hover { border-color: var(--line-2); transform: translateY(-3px); }
.ecard-top { display: flex; gap: 14px; align-items: center; }
.ecard-top img { width: 46px; height: 46px; border-radius: 10px; object-fit: cover; background: #fff; }
.ecard h3 { margin: 0; font-size: 1.3rem; letter-spacing: -0.02em; line-height: 1.2; }
.ecard .u { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }
.ecard .deg { font-size: 1.05rem; color: var(--text); }
.ecard .dt { font-family: var(--mono); font-size: 0.76rem; color: var(--amber); }
.ecard p { margin: 0; color: var(--text-2); font-size: 0.95rem; }
.ecard .foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.honors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; margin-top: 18px; }
.rowlink {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: center;
  padding: 15px 4px; border-bottom: 1px solid var(--line); transition: background .2s;
}
a.rowlink:hover { background: linear-gradient(90deg, var(--amber-dim), transparent 80%); }
.rowlink .t { color: var(--text); font-size: 0.97rem; line-height: 1.35; }
.rowlink .m { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); display: block; margin-top: 3px; }
.rowlink svg { width: 14px; height: 14px; color: var(--faint); transition: color .2s, transform .25s var(--ease); }
a.rowlink:hover svg { color: var(--amber); transform: translate(2px, -2px); }
.subhead { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); margin: 64px 0 6px; display: flex; gap: 10px; align-items: center; }
.subhead b { color: var(--amber); font-weight: 400; }
@media (max-width: 860px) {
  .edu, .honors { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- contact */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 70px); align-items: start; margin-top: 10px; }
.big-mail {
  display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: clamp(1.4rem, 3.2vw, 2.4rem); font-weight: 500; letter-spacing: -0.03em;
  border-bottom: 2px solid var(--amber-line); padding-bottom: 6px; transition: border-color .2s, color .2s;
}
.big-mail:hover { color: var(--amber-2); border-color: var(--amber); }
.big-mail svg { width: 0.62em; height: 0.62em; color: var(--amber); transition: transform .3s var(--ease); }
.big-mail:hover svg { transform: translate(3px, -3px); }
.clist { margin: 34px 0 0; display: grid; }
.clist > * {
  display: grid; grid-template-columns: 7rem 1fr auto; gap: 12px; padding: 14px 0; border: 0; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.82rem; align-items: center; background: none; width: 100%; text-align: left; color: inherit;
}
.clist .k { color: var(--muted); }
.clist .v { color: var(--text); overflow-wrap: anywhere; }
.clist a:hover .v, .clist a.v:hover { color: var(--amber); }
.clist svg { width: 14px; height: 14px; color: var(--faint); }
.clist .act {
  display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font: inherit; font-size: 0.72rem;
  background: none; border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 8px; cursor: pointer; transition: all .2s;
}
.clist .act:hover, .clist .act:hover svg, .clist a:hover svg { color: var(--amber); border-color: var(--amber-line); }
.mt { margin-top: 30px; }
.mt-s { margin-top: 16px; }
.mb { margin-bottom: 26px; }
figure { margin: 0; }
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }
.field label b { color: var(--amber); font-weight: 400; }
.field input, .field textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 9px;
  padding: 13px 14px; color: var(--text); font: inherit; font-size: 0.97rem; outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--amber-line); box-shadow: 0 0 0 4px var(--amber-dim); background: var(--panel); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-status { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--amber-2); }
@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
  .clist a, .clist div { grid-template-columns: 5.2rem 1fr auto; }
}

/* ---------------------------------------------------------------- footer */
.footer { border-top: 1px solid var(--line); padding: 34px 0 48px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: 0.74rem; color: var(--faint); }
.footer a:hover { color: var(--amber); }
.footer .end { color: var(--muted); }

/* ---------------------------------------------------------------- dialogs */
dialog {
  border: 1px solid var(--line-2); border-radius: var(--r-lg); background: #13110f; color: var(--text);
  padding: 0; width: min(760px, calc(100vw - 28px)); max-height: min(84vh, 900px);
  box-shadow: 0 50px 120px -20px rgba(0, 0, 0, 0.85);
}
dialog::backdrop { background: rgba(6, 5, 4, 0.72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
dialog[open] { animation: dlg .35s var(--ease); }
@keyframes dlg { from { opacity: 0; transform: translateY(10px) scale(.985); } }
.dlg { display: flex; flex-direction: column; max-height: min(84vh, 900px); }
.dlg-head { padding: 22px 24px 16px; border-bottom: 1px solid var(--line); display: grid; gap: 14px; }
.dlg-top { display: flex; gap: 14px; align-items: center; }
.dlg-top img { width: 42px; height: 42px; border-radius: 9px; object-fit: cover; background: #fff; }
.dlg-top h2 { margin: 0; font-size: 1.2rem; letter-spacing: -0.02em; }
.dlg-top .s { font-family: var(--mono); font-size: 0.72rem; color: var(--amber); }
.xclose {
  margin-left: auto; width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line-2); background: transparent;
  cursor: pointer; display: grid; place-items: center; color: var(--muted); transition: all .2s; flex-shrink: 0;
}
.xclose:hover { color: var(--text); border-color: var(--amber-line); }
.xclose svg { width: 14px; height: 14px; }
.search { position: relative; }
.search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--faint); }
.search input {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 9px; padding: 11px 12px 11px 38px;
  color: var(--text); font: inherit; font-family: var(--mono); font-size: 0.84rem; outline: none;
}
.search input:focus { border-color: var(--amber-line); }
.search .count { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 0.72rem; color: var(--faint); }
.dlg-body { overflow-y: auto; padding: 8px 24px 24px; }
.course { padding: 16px 0; border-bottom: 1px solid var(--line); }
.course-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-family: var(--mono); font-size: 0.74rem; }
.course-top .code { color: var(--amber); }
.course-top .meta { color: var(--faint); }
.course h3 { margin: 6px 0 6px; font-size: 1.02rem; letter-spacing: -0.01em; }
.course p { margin: 0 0 10px; color: var(--text-2); font-size: 0.9rem; }
.course .pre { font-family: var(--mono); font-size: 0.7rem; color: var(--faint); margin-top: 8px; }
.empty { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); padding: 30px 0; text-align: center; }

/* command palette */
.cmdk { width: min(620px, calc(100vw - 24px)); margin-top: 14vh; }
.cmdk .search input { border: 0; background: transparent; font-size: 0.95rem; padding: 18px 18px 18px 46px; }
.cmdk .search svg { left: 18px; }
.cmdk .search { border-bottom: 1px solid var(--line); }
.cmdk-list { list-style: none; margin: 0; padding: 8px; max-height: min(52vh, 440px); overflow-y: auto; }
.cmdk-group { font-family: var(--mono); font-size: 0.68rem; color: var(--faint); padding: 10px 10px 6px; text-transform: lowercase; }
.cmdk-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; cursor: pointer;
  font-size: 0.93rem; color: var(--text-2);
}
.cmdk-item .ic { width: 16px; height: 16px; color: var(--faint); flex-shrink: 0; }
.cmdk-item .hint { margin-left: auto; font-family: var(--mono); font-size: 0.7rem; color: var(--faint); }
.cmdk-item[aria-selected="true"] { background: var(--amber-dim); color: var(--text); }
.cmdk-item[aria-selected="true"] .ic { color: var(--amber); }
.cmdk-foot { border-top: 1px solid var(--line); padding: 10px 14px; display: flex; gap: 16px; font-family: var(--mono); font-size: 0.68rem; color: var(--faint); }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 140%); z-index: 120;
  background: #1a1714; border: 1px solid var(--amber-line); color: var(--text);
  font-family: var(--mono); font-size: 0.8rem; padding: 11px 16px; border-radius: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); transition: transform .45s var(--ease);
  max-width: calc(100vw - 32px);
}
.toast.on { transform: translate(-50%, 0); }

/* back to top */
.totop {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--line-2); background: rgba(21, 19, 17, 0.9); color: var(--muted); cursor: pointer;
  display: grid; place-items: center; opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .3s var(--ease);
}
.totop.on { opacity: 1; pointer-events: auto; transform: none; }
.totop:hover { color: var(--amber); border-color: var(--amber-line); }
.totop svg { width: 16px; height: 16px; }

/* ---------------------------------------------------------------- responsive hero */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main { margin-bottom: 40px; }
  .term-body { min-height: 17em; font-size: 0.8rem; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .hero-ctas .hint { display: none; }
  .brand .d, .brand .opt { display: none; }
}

/* ==========================================================================
   Timeline page (scroll story)
   ========================================================================== */
.tl-story {
  display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 0; position: relative;
}
.tl-left { grid-column: 1; grid-row: 1; padding: 0 clamp(20px, 3.5vw, 56px) 0 var(--gut); position: relative; z-index: 2; min-width: 0; }
.brand .opt { color: var(--amber); }
.hud-tl, .hud-tr, .hud-bl, .hud-br { transition: opacity .5s var(--ease); }
.hud-ov {
  position: absolute; left: 0; right: 0; bottom: 58px; text-align: center; opacity: 0; transition: opacity .5s var(--ease);
  font-family: var(--mono); font-size: 0.76rem; color: var(--muted);
}
.tl-stage.overview .hud-tl, .tl-stage.overview .hud-tr, .tl-stage.overview .hud-bl, .tl-stage.overview .hud-br { opacity: 0; }
.tl-stage.overview .hud-ov { opacity: 1; }
.tl-stage {
  grid-column: 2; grid-row: 1;
  position: sticky; top: var(--bar); height: calc(100vh - var(--bar)); height: calc(100svh - var(--bar));
  align-self: start; overflow: hidden; border-left: 1px solid var(--line);
  background: radial-gradient(ellipse at 50% 45%, #15120f 0%, var(--bg) 70%);
}
.tl-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.tl-stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(12, 11, 10, 0.82) 0%, rgba(12, 11, 10, 0) 26%),
    linear-gradient(0deg, rgba(12, 11, 10, 0.94) 0%, rgba(12, 11, 10, 0.6) 14%, rgba(12, 11, 10, 0) 30%);
}
.tl-stage .hud, .tl-stage .rail { z-index: 1; }
.tl-page .totop { display: none; }
.hud { position: absolute; inset: 0; pointer-events: none; padding: 22px 26px; }
.hud-tl { position: absolute; top: 22px; left: 26px; }
.hud-tr { position: absolute; top: 24px; right: 26px; text-align: right; }
.hud-bl { position: absolute; left: 26px; bottom: 58px; }
.hud-br { position: absolute; right: 26px; bottom: 58px; text-align: right; }
.hud-year { font-size: clamp(3rem, 6vw, 5.6rem); font-weight: 600; letter-spacing: -0.06em; line-height: 0.9; font-variant-numeric: tabular-nums; }
.hud-when { font-family: var(--mono); font-size: 0.76rem; color: var(--amber); margin-top: 8px; }
.hud-act { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-bottom: 10px; }
.hud-age { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); }
.hud-age b { display: block; font-family: var(--sans); font-size: 2rem; color: var(--text); font-weight: 600; letter-spacing: -0.04em; line-height: 1; margin-top: 4px; font-variant-numeric: tabular-nums; }
.hud-coord { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.hud-place { font-family: var(--mono); font-size: 0.86rem; color: var(--text); margin-top: 4px; }
.hud-count { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.hud-kind { display: inline-block; font-family: var(--mono); font-size: 0.7rem; color: var(--amber); border: 1px solid var(--amber-line); border-radius: 5px; padding: 2px 8px; margin-top: 6px; }
.rail { position: absolute; left: 26px; right: 26px; bottom: 26px; height: 18px; pointer-events: auto; }
.rail-track { position: absolute; left: 0; right: 0; top: 8px; height: 2px; background: var(--line-2); border-radius: 2px; }
.rail-fill { position: absolute; left: 0; top: 8px; height: 2px; background: var(--amber); border-radius: 2px; width: 0; box-shadow: 0 0 10px rgba(232, 163, 58, 0.6); }
.rail button {
  position: absolute; top: 3px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%;
  border: 0; background: transparent; cursor: pointer; padding: 0;
}
.rail button::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--line-2); transition: background .2s, transform .2s; }
.rail button.done::after { background: var(--amber); }
.rail button.act::after { background: var(--amber-2); transform: scale(1.7); }
.rail button.big::after { inset: 2px; }
.rail button:hover::after { transform: scale(1.9); background: var(--amber-2); }

.tl-intro { min-height: calc(100vh - var(--bar)); min-height: calc(100svh - var(--bar)); display: flex; flex-direction: column; justify-content: center; padding: 60px 0; }
.tl-h1 { font-size: clamp(3rem, 6.6vw, 6.4rem); line-height: 0.92; letter-spacing: -0.055em; font-weight: 600; margin: 0 0 26px; text-wrap: balance; }
.tl-meta { display: grid; grid-template-columns: repeat(4, minmax(0, auto)); gap: 10px 30px; margin: 34px 0 40px; justify-content: start; }
.tl-meta div { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }
.tl-meta b { display: block; font-family: var(--sans); font-size: 1.9rem; color: var(--text); font-weight: 600; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.scroll-cue { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.scroll-cue i { width: 1px; height: 38px; background: linear-gradient(var(--amber), transparent); display: block; animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

.act { padding: 18vh 0 6vh; }
.act .num { font-family: var(--serif); font-style: italic; color: var(--amber); font-size: clamp(3.6rem, 7vw, 6rem); line-height: 1; }
.act h2 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); letter-spacing: -0.045em; line-height: 1; margin: 6px 0 10px; font-weight: 600; }
.act .rng { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }

.chap {
  min-height: 62vh; display: flex; align-items: center; padding: 4vh 0;
}
.chap-card {
  width: 100%; border-left: 2px solid var(--line-2); padding: 6px 0 6px 26px;
  opacity: 0.32; transition: opacity .5s var(--ease), border-color .5s var(--ease), transform .6s var(--ease);
  transform: translateX(0);
}
.chap.on .chap-card { opacity: 1; border-color: var(--amber); transform: translateX(6px); }
.chap-top { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin-bottom: 12px; }
.chap-top .w { color: var(--amber); }
.chap-top .k { border: 1px solid var(--line-2); border-radius: 5px; padding: 1px 7px; }
.chap.on .chap-top .k { border-color: var(--amber-line); color: var(--amber); }
.chap-top .rt { color: var(--text-2); }
.chap h3 { font-size: clamp(1.7rem, 3vw, 2.6rem); letter-spacing: -0.035em; line-height: 1.05; margin: 0 0 14px; font-weight: 600; text-wrap: balance; }
.chap p { color: var(--text-2); font-size: 1.08rem; margin: 0 0 16px; max-width: 46ch; text-wrap: pretty; }
.chap-foot { font-family: var(--mono); font-size: 0.74rem; color: var(--faint); }
.chap.next .chap-card { border-left-style: dashed; }
.chap.next h3 { color: var(--text-2); }

.tl-outro { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; padding: 14vh 0; }
.tl-outro .h2 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
.tl-sum { list-style: none; padding: 0; margin: 26px 0 36px; display: grid; gap: 0; max-width: 520px; }
.tl-sum li { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.82rem; padding: 10px 0; border-bottom: 1px dashed var(--line-2); color: var(--muted); }
.tl-sum li b { color: var(--text); font-weight: 400; }
.keys { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); margin-top: 18px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

@media (max-width: 900px) {
  .tl-story { display: block; }
  .hud-ov { bottom: 36px; }
  .tl-stage {
    top: var(--bar); height: 46vh; height: 46svh; z-index: 5;
    border-left: 0; border-bottom: 1px solid var(--line);
    background: radial-gradient(ellipse at 50% 50%, #15120f 0%, var(--bg) 75%);
  }
  .tl-left { padding: 0 var(--gut); }
  .hud { padding: 14px 16px; }
  .hud-tl { top: 12px; left: 16px; }
  .hud-tr { top: 14px; right: 16px; }
  .hud-bl { left: 16px; bottom: 36px; }
  .hud-br { right: 16px; bottom: 36px; }
  .hud-year { font-size: 2.4rem; }
  .hud-age b { font-size: 1.4rem; }
  .hud-act, .hud-coord { display: none; }
  .rail { left: 16px; right: 16px; bottom: 12px; }
  .tl-intro { min-height: auto; padding: 44px 0 20px; }
  .tl-meta { grid-template-columns: repeat(2, minmax(0, auto)); }
  .act { padding: 10vh 0 2vh; }
  .chap { min-height: 44vh; }
  .chap-card { opacity: 0.4; }
  .chap h3 { font-size: 1.7rem; }
  .keys { display: none; }
}