/* ==========================================================================
   JACOB PALKO — MECHANICAL ENGINEER · PORTFOLIO
   Design language: engineering drawing sheet. Dark graphite, safety orange,
   mono annotations, drafting frames. One accent, used sparingly.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:        #0B0C0E;
  --bg-2:      #101114;
  --bg-3:      #15161A;
  --fg:        #E8E6E1;
  --fg-dim:    #A3A19A;
  --fg-faint:  #63625F;
  --line:      rgba(232, 230, 225, 0.13);
  --line-soft: rgba(232, 230, 225, 0.07);
  --line-hard: rgba(232, 230, 225, 0.28);
  --accent:    #FF4D00;
  --accent-dim: rgba(255, 77, 0, 0.14);

  --font-d: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-m: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --w-container: 1240px;
  --pad-section: clamp(96px, 12vw, 176px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-d);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #0B0C0E; }

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
b, strong { font-weight: 600; }

:focus-visible {
  outline: 1.5px solid var(--accent);
  outline-offset: 3px;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2A2C31; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* JS-gated initial states (no-JS visitors see everything immediately) */
html:not(.js) .reveal-hero { transform: none !important; }
html:not(.js) [data-reveal] { opacity: 1 !important; transform: none !important; }
html:not(.js) #preloader { display: none; }
html.no-gsap .reveal-hero { transform: none !important; }
html.no-gsap [data-reveal] { opacity: 1 !important; transform: none !important; }

.js .reveal-hero { display: inline-block; transform: translateY(115%); }
.js [data-reveal] { opacity: 0; transform: translateY(26px); }

/* Touch: horizontal drags rotate the model, vertical still scrolls */
#hero, #mechanism { touch-action: pan-y; }

/* Anchor landing offset under the fixed nav */
section[id] { scroll-margin-top: 72px; }

/* ==========================================================================
   PRELOADER
   ========================================================================== */
#preloader {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.preloader-inner { width: min(420px, 82vw); }

.pre-logo {
  font-family: var(--font-d);
  font-weight: 700; font-size: 40px; letter-spacing: -0.02em;
  border: 1px solid var(--line-hard);
  width: 72px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  position: relative; margin-bottom: 28px;
}
.pre-logo::after {
  content: ""; position: absolute; left: 12px; bottom: 10px;
  width: 20px; height: 2px; background: var(--accent);
}

.pre-readout {
  display: flex; justify-content: space-between;
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-dim); margin-bottom: 10px;
}
#pre-pct { color: var(--fg); }

.pre-bar { height: 2px; background: var(--line-soft); position: relative; }
#pre-fill {
  position: absolute; inset: 0 auto 0 0; width: 0%;
  background: var(--accent);
}

.pre-meta {
  display: flex; justify-content: space-between;
  margin-top: 12px;
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.12em;
  color: var(--fg-faint);
}

/* ==========================================================================
   CUSTOM CURSOR
   ========================================================================== */
#cursor { display: none; opacity: 0; transition: opacity 0.3s ease; }

html.has-cursor, html.has-cursor a, html.has-cursor button {
  cursor: none;
}
html.has-cursor #cursor {
  display: block; position: fixed; inset: 0; z-index: 80;
  pointer-events: none;
}
.cursor-h, .cursor-v {
  position: absolute; background: rgba(232, 230, 225, 0.16);
}
.cursor-h { left: 0; right: 0; height: 1px; top: 0; }
.cursor-v { top: 0; bottom: 0; width: 1px; left: 0; }
.cursor-dot {
  position: absolute; top: 0; left: 0; width: 5px; height: 5px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}
.cursor-label {
  position: absolute; top: 0; left: 0;
  transform: translate(14px, 14px);
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.1em;
  color: var(--fg-dim); white-space: nowrap;
}

/* ==========================================================================
   GRAIN + STAGE
   ========================================================================== */
#grain {
  position: fixed; inset: -100px; z-index: 60;
  pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.9s steps(4) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-38px, 22px); }
  50%  { transform: translate(24px, -30px); }
  75%  { transform: translate(-14px, -18px); }
  100% { transform: translate(0, 0); }
}

#stage {
  position: fixed; inset: 0; z-index: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
#stage.ready { opacity: 1; }
#stage.ambient { opacity: 0.16; }
#webgl { width: 100%; height: 100%; display: block; pointer-events: none; }

/* ==========================================================================
   NAV
   ========================================================================== */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 48px);
  transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(11, 12, 14, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line-soft);
  padding-top: 14px; padding-bottom: 14px;
}

.nav-brand { display: flex; align-items: baseline; gap: 10px; }
.nav-brand-mark {
  font-weight: 700; font-size: 22px; letter-spacing: -0.02em;
  border: 1px solid var(--line-hard);
  padding: 2px 8px 4px;
  position: relative;
}
.nav-brand-mark::after {
  content: ""; position: absolute; right: -1px; bottom: -1px;
  width: 8px; height: 2px; background: var(--accent);
}
.nav-brand-sub {
  font-family: var(--font-m); font-size: 9px; letter-spacing: 0.2em;
  color: var(--fg-faint);
}

.nav-links { display: flex; align-items: center; gap: clamp(18px, 3vw, 36px); }
.nav-links a {
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.12em;
  color: var(--fg-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s ease;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--line-hard);
  padding: 8px 14px;
  color: var(--fg) !important;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--accent); border-color: var(--accent); color: #0B0C0E !important;
}

#nav-burger {
  display: none; flex-direction: column; gap: 6px;
  background: none; border: 0; padding: 8px;
}
#nav-burger span {
  display: block; width: 22px; height: 1.5px; background: var(--fg);
  transition: transform 0.3s var(--ease-out);
}
#nav-burger.open span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
#nav-burger.open span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

#mobile-menu {
  position: fixed; inset: 0; z-index: 49;
  background: rgba(11, 12, 14, 0.97);
  display: none; /* toggled via .open — never half-rendered */
  flex-direction: column; justify-content: center;
  padding: 0 clamp(24px, 8vw, 64px);
}
#mobile-menu.open {
  display: flex;
  animation: menuFade 0.3s ease;
}
@keyframes menuFade { from { opacity: 0; } to { opacity: 1; } }
#mobile-menu nav { display: flex; flex-direction: column; gap: 8px; }
#mobile-menu nav a {
  font-size: clamp(34px, 9vw, 56px); font-weight: 600; letter-spacing: -0.02em;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; align-items: center;
}
#mobile-menu nav a::after {
  content: counter(mm, decimal-leading-zero);
  counter-increment: mm;
  font-family: var(--font-m); font-size: 11px; color: var(--fg-faint);
  font-weight: 400;
}
#mobile-menu nav { counter-reset: mm; }
.mm-cta { color: var(--accent) !important; }
.mm-meta {
  position: absolute; bottom: 32px; left: clamp(24px, 8vw, 64px); right: 0;
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.12em;
  color: var(--fg-faint);
}

/* ==========================================================================
   HERO
   ========================================================================== */
#hero {
  position: relative; z-index: 1;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px clamp(20px, 5vw, 64px) 96px;
}

/* Legibility scrim: guarantees headline contrast no matter how bright the
   engine burns or where the turntable has swung it. Sits above the stage,
   below the content. */
#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(11, 12, 14, 0.88) 0%, rgba(11, 12, 14, 0.62) 32%, rgba(11, 12, 14, 0.14) 58%, transparent 76%),
    linear-gradient(0deg, rgba(11, 12, 14, 0.55) 0%, transparent 24%);
}

.hud { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.hud-corner { position: absolute; width: 22px; height: 22px; }
.hud-corner::before, .hud-corner::after { content: ""; position: absolute; background: var(--line-hard); }
.hud-corner::before { width: 100%; height: 1px; }
.hud-corner::after  { width: 1px; height: 100%; }
.hud-corner.tl { top: 88px; left: 24px; }
.hud-corner.tr { top: 88px; right: 24px; }
.hud-corner.bl { bottom: 24px; left: 24px; }
.hud-corner.br { bottom: 24px; right: 24px; }
.hud-corner.tl::before, .hud-corner.bl::before { left: 0; }
.hud-corner.tl::after, .hud-corner.bl::after { left: 0; }
.hud-corner.tr::before, .hud-corner.br::before { right: 0; }
.hud-corner.tr::after, .hud-corner.br::after { right: 0; }
.hud-corner.tl::before, .hud-corner.tr::before { top: 0; }
.hud-corner.bl::before, .hud-corner.br::before { bottom: 0; }
.hud-corner.tl::after, .hud-corner.tr::after { top: 0; }
.hud-corner.bl::after, .hud-corner.br::after { bottom: 0; }

.hud-left {
  position: absolute; left: 30px; top: 50%;
  transform: translate(-50%, -50%) rotate(180deg);
  writing-mode: vertical-rl;
  display: flex; gap: 20px;
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.16em;
  color: var(--fg-faint);
}
.hud-right {
  position: absolute; right: 30px; top: 50%;
  transform: translate(50%, -50%);
  writing-mode: vertical-rl;
  display: flex; gap: 20px;
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.16em;
  color: var(--fg-faint);
}
.hud-right b { color: var(--fg); font-weight: 500; }
.hud-right .ok { color: var(--accent); }

.hud-tag {
  position: absolute; top: 104px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.16em;
  color: var(--fg-faint);
}

.hero-content { position: relative; z-index: 3; max-width: 1240px; width: 100%; margin: 0 auto; }

.hero-kicker {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.18em;
  color: var(--fg-dim);
  margin-bottom: 28px;
}
.kicker-tick { width: 40px; height: 1px; background: var(--accent); display: inline-block; }

.hero-title {
  font-weight: 700;
  font-size: clamp(64px, 13.5vw, 176px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  text-shadow: 0 2px 24px rgba(11, 12, 14, 0.65), 0 0 80px rgba(11, 12, 14, 0.5);
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .outline .reveal-hero {
  /* Faint fill under the stroke: keeps the outline look but guarantees a
     visible glyph body even where stroke rasterization is unreliable. */
  color: rgba(232, 230, 225, 0.07);
  -webkit-text-stroke: 2px var(--fg);
  paint-order: stroke fill;
}
/* After the intro, drop all transforms so the spans leave the composited
   layer GSAP animated (stroke text can fail to paint on such layers). */
.reveal-hero.intro-done { transform: none !important; }

.hero-sub {
  max-width: 520px;
  margin-top: 32px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--fg-dim);
  font-weight: 300;
}
.hero-sub b { color: var(--fg); font-weight: 500; }

.hero-cta { display: flex; gap: 16px; margin-top: 44px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--font-m); font-size: 12px; letter-spacing: 0.14em;
  padding: 16px 26px;
  overflow: hidden;
  will-change: transform;
}
.btn .btn-index { font-size: 9px; color: currentColor; opacity: 0.55; align-self: flex-end; }
.btn-solid { background: var(--accent); color: #0B0C0E; font-weight: 700; }
.btn-solid::before {
  content: ""; position: absolute; inset: 0; background: var(--fg);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.btn-solid:hover::before { transform: scaleX(1); }
.btn-solid > * { position: relative; z-index: 1; }

.btn-ghost { border: 1px solid var(--line-hard); color: var(--fg); transition: border-color 0.3s, background 0.3s; }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-dim); }
.btn-lg { padding: 20px 30px; font-size: 13px; }

/* ---------- Hero footer ---------- */
.hero-foot {
  position: absolute; left: clamp(20px, 5vw, 64px); right: clamp(20px, 5vw, 64px); bottom: 36px;
  display: flex; justify-content: space-between; align-items: flex-end;
  z-index: 3;
}
.scroll-cue { display: flex; flex-direction: column; gap: 12px; }
.scroll-cue span {
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.18em; color: var(--fg-dim);
}
.scroll-line { width: 1px; height: 52px; background: var(--line); position: relative; overflow: hidden; }
.scroll-dot {
  position: absolute; left: 0; top: -30%;
  width: 1px; height: 30%; background: var(--accent);
  animation: scrollDot 2.2s var(--ease-out) infinite;
}
@keyframes scrollDot {
  0%   { top: -30%; }
  70%  { top: 100%; }
  100% { top: 100%; }
}
.hero-hint {
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.18em;
  color: var(--fg-faint);
  animation: hintPulse 3s ease-in-out infinite;
}
@keyframes hintPulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

/* ==========================================================================
   MECHANISM (explode track)
   ========================================================================== */
#mechanism { position: relative; z-index: 1; height: 220vh; }
.mech-sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 120px clamp(20px, 5vw, 64px) 100px;
}
.mech-readout {
  align-self: flex-end;
  display: grid; grid-template-columns: auto auto; gap: 6px 14px;
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  padding: 14px 16px;
  background: rgba(11, 12, 14, 0.6);
  backdrop-filter: blur(6px);
  min-width: 230px;
}
.mech-readout b { color: var(--fg); font-weight: 500; text-align: right; }
.mech-meter { grid-column: 1 / -1; height: 2px; background: var(--line-soft); position: relative; }
#mech-fill { position: absolute; inset: 0 auto 0 0; width: 0%; background: var(--accent); }
#mech-pct { text-align: right; color: var(--accent); }

.mech-caption {
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.1em;
  line-height: 2; color: var(--fg-dim);
}
.mech-caption b { color: var(--fg); font-weight: 500; }

/* ==========================================================================
   MARQUEE
   ========================================================================== */
#marquee {
  position: relative; z-index: 2;
  background: var(--bg);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 26px 0;
  display: flex; flex-direction: column; gap: 18px;
  overflow: hidden;
}
.marquee-row { overflow: hidden; white-space: nowrap; }
.marquee-track {
  display: inline-flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-row.reverse .marquee-track { animation-direction: reverse; animation-duration: 36s; }
.marquee-track span {
  font-family: var(--font-m); font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 500; letter-spacing: 0.06em;
  color: var(--fg);
  padding-right: 0.5em;
}
.marquee-track em { font-style: normal; color: var(--accent); padding: 0 0.6em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ==========================================================================
   CONTENT SECTIONS
   ========================================================================== */
.content-section {
  position: relative; z-index: 2;
  background:
    radial-gradient(rgba(232, 230, 225, 0.045) 1px, transparent 1px) 0 0 / 30px 30px,
    var(--bg);
  border-bottom: 1px solid var(--line-soft);
  padding: var(--pad-section) clamp(20px, 5vw, 64px);
}
.content-section > * { max-width: var(--w-container); margin-left: auto; margin-right: auto; }

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "no rule" "title rule";
  column-gap: 28px; row-gap: 10px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 88px);
}
.section-no {
  grid-area: no;
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--accent);
}
.section-head h2 {
  grid-area: title;
  font-size: clamp(40px, 6.5vw, 88px);
  font-weight: 600; letter-spacing: -0.03em; text-transform: uppercase;
  line-height: 1;
}
.section-rule {
  grid-area: rule; height: 1px; background: var(--line);
  margin-bottom: 14px; position: relative;
}
.section-rule::after {
  content: ""; position: absolute; right: 0; top: -2.5px;
  width: 6px; height: 6px; background: var(--accent);
}

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.lede { font-size: clamp(20px, 2.2vw, 27px); font-weight: 400; line-height: 1.45; letter-spacing: -0.01em; }
.about-copy p + p { margin-top: 22px; color: var(--fg-dim); font-weight: 300; font-size: 16.5px; }
.about-copy .lede + p { margin-top: 30px; }
.about-copy b { color: var(--fg); font-weight: 500; }

.about-spec { border: 1px solid var(--line); background: rgba(16, 17, 20, 0.7); }
.spec-title {
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.16em;
  color: var(--fg-dim); font-weight: 500;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
}
.spec-table li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 11px 18px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 13px;
}
.spec-table li span:first-child { letter-spacing: 0.04em; }
.spec-table li span:last-child {
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.08em;
  color: var(--fg-faint); white-space: nowrap; align-self: center;
}
.spec-note {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px;
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.12em;
  color: var(--fg-dim);
}
.spec-note .ok { color: var(--accent); animation: hintPulse 2.4s infinite; }

.stats {
  margin-top: clamp(64px, 8vw, 112px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.stat {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
  background: rgba(16, 17, 20, 0.5);
}
.stat:last-child { border-right: 0; }
.stat b {
  font-family: var(--font-d); font-size: clamp(44px, 5vw, 72px);
  font-weight: 600; letter-spacing: -0.03em; line-height: 1;
}
.stat span {
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.14em;
  color: var(--fg-dim); line-height: 1.7;
}

/* ---------- Projects ---------- */
.project-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.project-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 26px 26px 22px;
  display: flex; flex-direction: column; gap: 16px;
  transition: transform 0.35s var(--ease-out), border-color 0.35s ease, background 0.35s ease;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.35s var(--ease-out);
}
.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-hard);
  background: var(--bg-3);
}
.project-card:hover::before { transform: scaleY(1); }

.pc-head {
  display: flex; justify-content: space-between;
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.14em;
  color: var(--fg-faint);
  padding-bottom: 14px; border-bottom: 1px solid var(--line-soft);
}
.pc-dwg { color: var(--accent); }

.project-card h3 {
  font-size: clamp(24px, 2.6vw, 32px); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1;
}
.project-card > p { color: var(--fg-dim); font-size: 14.5px; font-weight: 300; flex-grow: 1; }

.pc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.pc-tags li {
  font-family: var(--font-m); font-size: 9px; letter-spacing: 0.1em;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  padding: 4px 9px;
}

.pc-titleblock {
  display: flex; gap: 22px;
  font-family: var(--font-m); font-size: 9.5px; letter-spacing: 0.1em;
  color: var(--fg-dim);
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}
.pc-titleblock i { font-style: normal; color: var(--fg-faint); margin-right: 6px; }

.pc-view {
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.16em;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
}

/* ---------- Experience ---------- */
.timeline { position: relative; }
.tl-item {
  display: grid;
  grid-template-columns: 150px 44px 1fr;
  gap: 0 18px;
}
.tl-node { grid-column: 2; position: relative; }
.tl-node::before {
  content: ""; position: absolute; left: 50%; top: 10px;
  width: 9px; height: 9px; transform: translateX(-50%);
  border: 1.5px solid var(--accent); border-radius: 50%;
  background: var(--bg);
}
.tl-node::after {
  content: ""; position: absolute; left: 50%; top: 19px; bottom: -10px;
  width: 1px; transform: translateX(-50%);
  background: var(--line);
}
.tl-item:last-child .tl-node::after { display: none; }

.tl-date {
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-align: right; padding-top: 8px; white-space: nowrap;
}
.tl-body { padding-bottom: clamp(40px, 5vw, 64px); }
.tl-body h3 {
  font-size: clamp(20px, 2.2vw, 27px); font-weight: 600; letter-spacing: -0.015em;
}
.tl-org {
  display: block;
  font-family: var(--font-m); font-size: 10px; letter-spacing: 0.14em;
  color: var(--accent); margin: 8px 0 14px;
}
.tl-body p { color: var(--fg-dim); font-size: 15px; font-weight: 300; max-width: 640px; }

/* ---------- Ambient window ---------- */
#window {
  position: relative; z-index: 1;
  height: 46vh;
  display: flex; align-items: center; justify-content: center;
}
.window-note {
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.18em;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  background: rgba(11, 12, 14, 0.55);
  backdrop-filter: blur(4px);
  padding: 12px 20px;
}
.window-note b { color: var(--fg); font-weight: 500; }

/* ---------- Contact ---------- */
.contact-wrap { max-width: 900px; }
.contact-big {
  font-size: clamp(48px, 9vw, 124px);
  font-weight: 700; letter-spacing: -0.035em; line-height: 0.98;
  text-transform: uppercase;
}
.contact-big .outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--fg);
}
.contact-sub { margin-top: 28px; max-width: 480px; color: var(--fg-dim); font-weight: 300; font-size: 16.5px; }
.contact-actions { margin-top: 40px; }
.contact-links { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.contact-links a {
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.14em;
  color: var(--fg-dim); transition: color 0.25s;
}
.contact-links a:hover { color: var(--accent); }

/* ==========================================================================
   FOOTER — TITLE BLOCK
   ========================================================================== */
#titleblock {
  position: relative; z-index: 2;
  background: var(--bg);
  padding: 0 clamp(20px, 5vw, 64px) 40px;
}
#titleblock > * { max-width: var(--w-container); margin-left: auto; margin-right: auto; }

.tb-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(6, 1fr);
  grid-template-areas:
    "logo logo m1 m2 m3 m4"
    "logo logo m5 m6 m7 rev";
  border: 1px solid var(--line-hard);
  background: var(--line-hard);
  gap: 1px;
}
.tb-cell {
  background: rgba(16, 17, 20, 0.92);
  padding: 12px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.tb-cell:nth-child(2) { grid-area: m1; }
.tb-cell:nth-child(3) { grid-area: m2; }
.tb-cell:nth-child(4) { grid-area: m3; }
.tb-cell:nth-child(5) { grid-area: m4; }
.tb-cell:nth-child(6) { grid-area: m5; }
.tb-cell:nth-child(7) { grid-area: m6; }
.tb-cell:nth-child(8) { grid-area: m7; }
.tb-cell i {
  font-style: normal; font-family: var(--font-m);
  font-size: 8.5px; letter-spacing: 0.14em; color: var(--fg-faint);
}
.tb-cell b { font-family: var(--font-m); font-size: 11.5px; letter-spacing: 0.06em; font-weight: 500; }

.tb-logo { grid-area: logo; flex-direction: row; align-items: center; gap: 18px; background: rgba(16, 17, 20, 0.92); }
.tb-jp {
  font-family: var(--font-d); font-weight: 700; font-size: 34px;
  border: 1px solid var(--line-hard);
  width: 62px; height: 62px; flex: none;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.tb-jp::after { content: ""; position: absolute; right: -1px; bottom: -1px; width: 10px; height: 2px; background: var(--accent); }
.tb-logo > span:last-child {
  font-family: var(--font-m); font-size: 9px; letter-spacing: 0.14em;
  color: var(--fg-dim); line-height: 1.8;
}
.tb-accent b { color: var(--accent); }

.tb-fine {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 16px 2px 0;
  font-family: var(--font-m); font-size: 9px; letter-spacing: 0.12em;
  color: var(--fg-faint);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  #nav-burger { display: flex; }

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

  .tl-item { grid-template-columns: 28px 1fr; }
  .tl-node { grid-column: 1; }
  .tl-date {
    grid-column: 2; text-align: left; padding-top: 0; margin-bottom: 6px;
  }
  .tl-body { grid-column: 2; }

  .hud-left, .hud-right { display: none; }
  .hud-tag { top: 84px; }

  .tb-grid {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-areas:
      "logo logo logo"
      "m1 m2 m3"
      "m4 m5 m6"
      "m7 rev rev";
  }
}

@media (max-width: 560px) {
  #hero::before {
    background:
      linear-gradient(90deg, rgba(11, 12, 14, 0.9) 0%, rgba(11, 12, 14, 0.7) 55%, rgba(11, 12, 14, 0.3) 82%, transparent 95%),
      linear-gradient(0deg, rgba(11, 12, 14, 0.55) 0%, transparent 24%);
  }
  .hero-title { font-size: clamp(56px, 17vw, 90px); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: space-between; }
  .mech-readout { min-width: 0; width: 100%; }
  .tb-grid { grid-template-columns: 1fr 1fr; grid-template-areas: "logo logo" "m1 m2" "m3 m4" "m5 m6" "m7 rev"; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero-hint { display: none; }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, #mobile-menu.open { animation: none; }
  .scroll-dot, .hero-hint, #grain, .spec-note .ok { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}