/* ============================================================
   Veerendra R. Patil — portfolio
   Design system: near-black canvas, high-contrast display serif,
   monospace technical layer, single amber signal colour.
   ============================================================ */

:root {
  --bg:            #0a0a0a;
  --bg-deep:       #060606;
  --bg-raise:      #111110;
  --ink:           #edeae4;
  --ink-dim:       #a8a49d;
  --ink-faint:     #6f6c67;
  --rule:          rgba(237, 234, 228, 0.13);
  --rule-strong:   rgba(237, 234, 228, 0.28);
  --signal:        #ff6a1a;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --maxw: 1560px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, p, figure, blockquote, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--signal); color: #0a0a0a; }

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

/* ---------- type scale ---------- */
.display {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.015em;
  font-size: clamp(2.9rem, 7.4vw, 7rem);
}
.h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.01em;
  font-size: clamp(2.25rem, 5.2vw, 4.5rem);
}
.h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.05;
  font-size: clamp(1.6rem, 2.8vw, 2.5rem);
}
.lede {
  font-size: clamp(1.05rem, 1.55vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink);
  max-width: 46ch;
}
.body-dim { color: var(--ink-dim); max-width: 62ch; }
.mono {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}
.mono--signal { color: var(--signal); }

/* ---------- layout ---------- */
.shell { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { position: relative; }
.section-pad { padding-block: clamp(5rem, 12vh, 9.5rem); }
.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  flex-wrap: wrap;
}

/* ---------- nav ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem var(--gutter);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.topbar.is-stuck {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--rule);
}
.brand {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand b { font-weight: 600; }
.topbar__status {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.topbar__status .mono { color: var(--ink-dim); }
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(255, 106, 26, 0.6);
  animation: ping 2.8s var(--ease-io) infinite;
}
@keyframes ping {
  0%   { box-shadow: 0 0 0 0 rgba(255, 106, 26, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(255, 106, 26, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 106, 26, 0); }
}
.menu-btn {
  justify-self: end;
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.35rem 0;
}
.menu-btn__bars { display: grid; gap: 4px; width: 18px; }
.menu-btn__bars span {
  height: 1px; background: var(--ink);
  transition: transform 0.45s var(--ease), opacity 0.3s;
}
.menu-btn[aria-expanded="true"] .menu-btn__bars span:first-child { transform: translateY(2.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bars span:last-child  { transform: translateY(-2.5px) rotate(-45deg); }

/* ---------- overlay menu ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 89;
  background: var(--bg-deep);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: clamp(6rem, 14vh, 9rem) var(--gutter) clamp(2rem, 6vh, 4rem);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.75s var(--ease);
  pointer-events: none;
  overflow-y: auto;
}
.overlay.is-open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.overlay__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-content: start;
}
.overlay nav ul { display: grid; gap: 0.15em; }
.overlay nav a {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.05;
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), color 0.3s;
}
.overlay.is-open nav a { opacity: 1; transform: none; }
.overlay nav li:nth-child(1) a { transition-delay: 0.10s; }
.overlay nav li:nth-child(2) a { transition-delay: 0.16s; }
.overlay nav li:nth-child(3) a { transition-delay: 0.22s; }
.overlay nav li:nth-child(4) a { transition-delay: 0.28s; }
.overlay nav li:nth-child(5) a { transition-delay: 0.34s; }
.overlay nav li:nth-child(6) a { transition-delay: 0.40s; }
.overlay nav a:hover { color: var(--signal); }
.overlay__side { display: grid; gap: 2.25rem; align-content: start; padding-top: 0.75rem; }
.link-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.3s, padding 0.3s var(--ease);
}
.link-row:hover { border-color: var(--rule-strong); padding-inline-start: 0.5rem; }
.link-row span:first-child { font-size: 0.95rem; }
.link-row .arrow { transition: transform 0.35s var(--ease); color: var(--ink-faint); }
.link-row:hover .arrow { transform: translate(3px, -3px); color: var(--signal); }
.overlay__foot { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding-top: 2rem; border-top: 1px solid var(--rule); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-block: 7rem 3rem; overflow: hidden; }
.hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.7;
  mask-image:
    radial-gradient(115% 95% at 76% 45%, #000 18%, transparent 76%),
    linear-gradient(to right, transparent 0%, rgba(0,0,0,0.25) 22%, #000 46%);
  -webkit-mask-image:
    radial-gradient(115% 95% at 76% 45%, #000 18%, transparent 76%),
    linear-gradient(to right, transparent 0%, rgba(0,0,0,0.25) 22%, #000 46%);
  mask-composite: intersect;
  -webkit-mask-composite: source-in;
  pointer-events: none;
}
.hero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(237,234,228,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237,234,228,0.045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(100% 80% at 50% 40%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(100% 80% at 50% 40%, #000 10%, transparent 75%);
}
/* keeps the lower copy and CTAs legible where the traces are densest */
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 46%;
  background: linear-gradient(to top, var(--bg) 12%, rgba(10,10,10,0.82) 48%, transparent 100%);
  pointer-events: none; z-index: 1;
}
.hero .shell { position: relative; z-index: 2; width: 100%; }
.hero__eyebrow { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; margin-bottom: clamp(1.25rem, 3vw, 2rem); }
.hero__eyebrow .mono { color: var(--ink-dim); }
.hero__eyebrow .sep { color: var(--ink-faint); }
.hero h1 { margin-bottom: clamp(1.25rem, 2.6vw, 2rem); }
.hero h1 .ln { display: block; overflow: hidden; }
.hero h1 .ln > span { display: block; }
.hero__lower {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 4.5rem);
  align-items: end;
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--rule);
}
.hero__meta { display: grid; gap: 0.55rem; }
.hero__meta li { display: grid; grid-template-columns: 8.5rem 1fr; gap: 1rem; align-items: baseline; }
.hero__meta li span:last-child { font-size: 0.925rem; color: var(--ink); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
  will-change: transform;
}
.btn::before {
  content: ""; position: absolute; inset: 0;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
  z-index: -1;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--bg); border-color: var(--ink); }
.btn:hover::before { transform: translateY(0); }
.btn--solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--solid::before { background: var(--signal); }
.btn--solid:hover { color: var(--bg); border-color: var(--signal); }
.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

/* ---------- marquee ---------- */
.ticker { border-block: 1px solid var(--rule); padding-block: 1.15rem; overflow: hidden; }
.ticker__track { display: flex; width: max-content; gap: 3.5rem; animation: slide 42s linear infinite; }
.ticker span { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); white-space: nowrap; }
.ticker span em { font-style: normal; color: var(--signal); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- capability cards ---------- */
.caps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); }
.cap {
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 2vw, 2rem) clamp(2.5rem, 5vw, 3.75rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
  transition: background 0.5s var(--ease);
}
.caps .cap:last-child { border-right: 0; }
.cap:hover { background: var(--bg-raise); }
.cap::after {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%;
  background: var(--signal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.cap:hover::after { transform: scaleX(1); }
.cap__idx { display: block; margin-bottom: 2.75rem; }
.cap h3 { font-family: var(--sans); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.75rem; }
.cap p { font-size: 0.9rem; color: var(--ink-dim); line-height: 1.55; }
.cap__glyph { position: absolute; right: 1.25rem; top: 1.25rem; opacity: 0.3; transition: opacity 0.5s, transform 0.6s var(--ease); }
.cap:hover .cap__glyph { opacity: 0.85; transform: rotate(45deg); }

/* ---------- work list ---------- */
.work { border-top: 1px solid var(--rule); }
.work__item { position: relative; border-bottom: 1px solid var(--rule); }
.work__link {
  display: grid;
  /* index · title · description · stack · go */
  grid-template-columns: 3.25rem minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, 0.62fr) 6.5rem;
  gap: clamp(0.9rem, 2.4vw, 2.25rem);
  align-items: center;
  padding-block: clamp(1.6rem, 3.2vw, 2.5rem);
  transition: padding 0.55s var(--ease), opacity 0.4s;
}
.work__link:hover { padding-inline: clamp(0.5rem, 1.5vw, 1.5rem); }
.work.is-hovering .work__item:not(.is-active) { opacity: 0.34; }
.work__title { font-family: var(--serif); font-size: clamp(1.6rem, 3.3vw, 3rem); line-height: 1.02; letter-spacing: -0.01em; transition: color 0.35s; }
.work__item.is-active .work__title { color: var(--ink); }
.work__desc { font-size: 0.9rem; color: var(--ink-dim); line-height: 1.5; }
.work__stack { display: flex; flex-wrap: wrap; gap: 0.35rem 0.5rem; }
.work__stack span { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); border: 1px solid var(--rule); border-radius: 99px; padding: 0.2rem 0.55rem; }
.work__go { justify-self: end; display: flex; align-items: center; gap: 0.5rem; }
.work__go .arrow { transition: transform 0.4s var(--ease); }
.work__link:hover .work__go .arrow { transform: translate(4px, -4px); color: var(--signal); }
.work__badge { color: var(--signal); border-color: rgba(255,106,26,0.4) !important; }

/* floating hover preview (desktop only) */
.preview {
  position: fixed; top: 0; left: 0;
  width: 340px; aspect-ratio: 4 / 3;
  pointer-events: none; z-index: 60;
  opacity: 0; transform: translate(-50%, -50%) scale(0.94);
  transition: opacity 0.35s var(--ease), transform 0.5s var(--ease);
  overflow: hidden; border-radius: 2px;
  border: 1px solid var(--rule-strong);
  background: var(--bg-raise);
  will-change: transform;
}
.preview.is-on { opacity: 1; }
.preview img, .preview video { width: 100%; height: 100%; object-fit: cover; }
.preview__slot { position: absolute; inset: 0; opacity: 0; transition: opacity 0.3s; }
.preview__slot.is-shown { opacity: 1; }

/* ---------- pipeline diagram ---------- */
/* minmax(0,1fr): the scrollable diagram inside declares a min-width, which would
   otherwise widen this grid's only column past the page */
.pipeline { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(2rem, 5vw, 3.5rem); }
/* diagrams keep their labels legible by scrolling sideways rather than shrinking */
.diagram-scroll { overflow-x: auto; overflow-y: hidden; min-width: 0; max-width: 100%; }
.pipe-svg { width: 100%; height: auto; overflow: visible; }
@media (max-width: 900px) {
  .diagram-scroll .pipe-svg { min-width: 760px; }
}
.pipe-svg .pipe-box { fill: none; stroke: var(--rule-strong); }
.pipe-svg .pipe-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; fill: var(--ink); text-transform: uppercase; }
.pipe-svg .pipe-sub { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.08em; fill: var(--ink-faint); text-transform: uppercase; }
.pipe-svg .pipe-line { stroke: var(--rule-strong); stroke-width: 1; }
.pipe-svg .pipe-flow {
  stroke: var(--signal); stroke-width: 1.5; fill: none;
  stroke-dasharray: 8 240; stroke-linecap: round;
  animation: flow 5.5s linear infinite;
}
@keyframes flow { to { stroke-dashoffset: -248; } }
.pipe-stage { transition: opacity 0.5s var(--ease); }

/* ---------- media collage ---------- */
/* Media grid.
   Rows are explicit tracks and items span whole rows, so every item in a row is
   exactly the same height. Sizing an item by aspect-ratio instead would make the
   browser derive its WIDTH from the stretched row height and overflow the column. */
.collage {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: clamp(110px, 12.5vw, 190px);
  gap: clamp(0.75rem, 1.6vw, 1.5rem);
  align-items: stretch;
}
.sp3 { grid-column: span 3; }
.sp4 { grid-column: span 4; }
.sp5 { grid-column: span 5; }
.sp6 { grid-column: span 6; }
.sp7 { grid-column: span 7; }
.sp8 { grid-column: span 8; }

.collage .ar-wide, .collage .ar-land { grid-row: span 2; }
.collage .ar-tall { grid-row: span 3; }

/* Text beside media — no row tracks, so copy sizes itself normally. */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.split--wide-left  { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.split--wide-right { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); }
.split .plate { aspect-ratio: 16 / 10; }
.split .plate.ar-tall { aspect-ratio: 3 / 4; }
.split .plate.ar-land { aspect-ratio: 4 / 3; }

/* ---------- impact cards ---------- */
.impact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}
.impact__item {
  position: relative;
  padding: clamp(1.5rem, 2.6vw, 2.25rem) clamp(1.25rem, 2vw, 2rem) clamp(1.75rem, 3vw, 2.5rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background 0.5s var(--ease);
}
.impact__item:last-child { border-right: 0; }
.impact__item:hover { background: var(--bg-raise); }
.impact__item::after {
  content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 100%;
  background: var(--signal); transform: scaleX(0); transform-origin: left;
  transition: transform 0.65s var(--ease);
}
.impact__item:hover::after { transform: scaleX(1); }
.impact__label { display: block; margin-bottom: clamp(1.75rem, 3vw, 2.75rem); }
.impact__value {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.75rem, 3.1vw, 2.6rem); line-height: 1.02;
  letter-spacing: -0.01em; margin-bottom: 0.7rem;
}
.impact__item p { font-size: 0.9rem; color: var(--ink-dim); line-height: 1.55; }
.impact__item p strong { color: var(--ink); font-weight: 500; }
.plate { position: relative; overflow: hidden; background: var(--bg-raise); min-width: 0; }
.plate img, .plate video { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease), filter 0.6s; }
.plate:hover img, .plate:hover video { transform: scale(1.045); }
.plate figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.5rem 1rem 0.85rem;
  background: linear-gradient(to top, rgba(6,6,6,0.92), transparent);
  display: flex; justify-content: space-between; gap: 0.5rem 1rem; align-items: end;
  flex-wrap: wrap;
}
.plate figcaption .mono { color: var(--ink-dim); min-width: 0; }
.c-a { grid-column: span 7; aspect-ratio: 4 / 3; }
.c-b { grid-column: span 5; aspect-ratio: 3 / 4; }
.c-c { grid-column: span 4; aspect-ratio: 1; }
.c-d { grid-column: span 4; aspect-ratio: 1; }
.c-e { grid-column: span 4; aspect-ratio: 1; }
.c-tall { grid-column: span 5; aspect-ratio: 9 / 14; }
.c-wide { grid-column: span 7; aspect-ratio: 16 / 10; }

/* ---------- experience / timeline ---------- */
.entry { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(1.5rem, 5vw, 4rem); padding-block: clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--rule); }
.entry:first-of-type { border-top: 1px solid var(--rule); }
.entry__when { display: grid; gap: 0.5rem; align-content: start; }
.entry__role { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.25rem); line-height: 1.08; margin-bottom: 0.35rem; }
.entry__org { font-size: 0.9rem; color: var(--ink-dim); margin-bottom: 1.4rem; }
.entry ul.bullets { display: grid; gap: 0.85rem; }
.entry ul.bullets li { position: relative; padding-left: 1.35rem; font-size: 0.95rem; color: var(--ink-dim); line-height: 1.55; }
.entry ul.bullets li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 1px; background: var(--signal); }

.track { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.track__row {
  display: grid; grid-template-columns: 6rem minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background 0.45s var(--ease), padding-inline 0.45s var(--ease);
}
.track__row:hover { background: var(--bg-raise); padding-inline: 1rem; }
.track__year { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.12em; color: var(--ink-faint); transition: color 0.4s; }
.track__row:hover .track__year { color: var(--signal); }
.track__role { font-size: 1.05rem; }
.track__role small { display: block; font-size: 0.85rem; color: var(--ink-dim); margin-top: 0.2rem; }
.track__bar { width: clamp(60px, 14vw, 200px); height: 2px; background: var(--rule); position: relative; overflow: hidden; }
.track__bar i { position: absolute; inset: 0; background: var(--signal); transform: scaleX(var(--fill, 0.3)); transform-origin: left; transition: transform 1.1s var(--ease); }

/* ---------- achievements ---------- */
.awards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); border-top: 1px solid var(--rule); }
.award { padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.25rem, 2vw, 1.75rem); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.awards .award:last-child { border-right: 0; }
.award__val { font-family: var(--serif); font-size: clamp(1.75rem, 3.4vw, 2.75rem); line-height: 1; margin-bottom: 0.6rem; }
.award p { font-size: 0.875rem; color: var(--ink-dim); }
.award .mono { margin-bottom: 1.75rem; display: block; }

/* ---------- skills ---------- */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.skillset { border-top: 1px solid var(--rule-strong); padding-top: 1.25rem; }
.skillset h3 { font-family: var(--sans); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.1rem; }
.skillset ul { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skillset li { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.06em; color: var(--ink-dim); border: 1px solid var(--rule); border-radius: 99px; padding: 0.28rem 0.6rem; transition: border-color 0.3s, color 0.3s; }
.skillset li:hover { border-color: var(--signal); color: var(--ink); }

/* ---------- contact ---------- */
.contact { background: var(--bg-deep); }
.contact__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact h2 { margin-bottom: 1.75rem; }
.mailto {
  display: inline-flex; align-items: baseline; gap: 0.75rem;
  font-family: var(--serif); font-size: clamp(1.35rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--rule-strong); padding-bottom: 0.4rem;
  transition: color 0.35s, border-color 0.35s;
  word-break: break-all;
}
.mailto:hover { color: var(--signal); border-color: var(--signal); }

.foot { padding-block: 2rem; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* ---------- contact form ---------- */
.form { display: grid; gap: 1.1rem; margin-top: 2.25rem; max-width: 34rem; }
.field { display: grid; gap: 0.5rem; }
.field label { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.field input, .field textarea {
  font: inherit; font-size: 0.95rem;
  color: var(--ink);
  background: transparent;
  border: 0; border-bottom: 1px solid var(--rule-strong);
  border-radius: 0;
  padding: 0.6rem 0.1rem;
  transition: border-color 0.35s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 6.5rem; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus { outline: 0; border-bottom-color: var(--signal); }
.field:focus-within label { color: var(--signal); }
.form__hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.form__foot { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 0.5rem; }
.form__msg { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; }
.form__msg[data-state="ok"]   { color: var(--signal); }
.form__msg[data-state="err"]  { color: #ff5b5b; }
.form__msg[data-state="busy"] { color: var(--ink-faint); }
.form button[disabled] { opacity: 0.5; pointer-events: none; }

/* ---------- video player (sound on, user-initiated) ---------- */
.player {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  border: 1px solid var(--rule);
  background: var(--bg-raise);
  padding: clamp(1rem, 2.4vw, 1.75rem);
}
.player video {
  width: 100%; height: auto; display: block;
  background: #000;
  border: 1px solid var(--rule);
}
.player__side { display: grid; gap: 0.9rem; align-content: center; }
.player__side p { color: var(--ink-dim); font-size: 0.95rem; max-width: 44ch; }
.player__hint {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--signal);
}
.player__hint::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal); flex: none;
}
@media (max-width: 780px) {
  .player { grid-template-columns: 1fr; }
}

/* ---------- origin strip ---------- */
.origin { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.origin__years { display: flex; align-items: baseline; gap: 0.9rem; margin-bottom: 1.25rem; }
.origin__years b { font-family: var(--serif); font-weight: 400; font-size: clamp(3rem, 7vw, 5.5rem); line-height: 0.9; color: var(--signal); }

/* ---------- additive amber accents ---------- */
.work__item .work__link > .mono:first-child { transition: color 0.35s var(--ease); }
.work__item:hover .work__link > .mono:first-child { color: var(--signal); }
.section-head .mono { transition: color 0.4s var(--ease); }
.section-head:hover .mono { color: var(--signal); }
.metric { position: relative; }
.metric::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%;
  background: var(--signal); transform: scaleX(0); transform-origin: left;
  transition: transform 0.7s var(--ease);
}
.metric:hover::before { transform: scaleX(1); }
.award { transition: background 0.5s var(--ease); }
.award:hover { background: var(--bg-raise); }
.award:hover .mono { color: var(--signal); }
.skillset h3 { position: relative; }
.skillset { border-top-color: var(--rule-strong); transition: border-top-color 0.5s var(--ease); }
.skillset:hover { border-top-color: var(--signal); }
.entry ul.bullets li::before { transition: width 0.4s var(--ease); }
.entry ul.bullets li:hover::before { width: 14px; }
.chapter__no { transition: color 0.4s var(--ease); }
.chapter:hover .chapter__no { color: var(--signal); }
.plate figcaption .mono:last-child { color: var(--signal); opacity: 0.85; }
.mailto .arrow { color: var(--signal); }
.brand b { transition: color 0.35s var(--ease); }
.brand:hover b { color: var(--signal); }

/* thin amber scrollbar, desktop only */
@media (hover: hover) and (pointer: fine) {
  * { scrollbar-width: thin; scrollbar-color: rgba(255,106,26,0.55) transparent; }
  ::-webkit-scrollbar { width: 9px; height: 9px; }
  ::-webkit-scrollbar-track { background: var(--bg-deep); }
  ::-webkit-scrollbar-thumb { background: rgba(255,106,26,0.5); border-radius: 99px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--signal); }
}

/* ---------- project page ---------- */
.p-hero { padding-top: clamp(7rem, 16vh, 11rem); }
.p-hero__meta { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: 1.75rem; }
.p-hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.5rem, 7vw, 6rem); line-height: 0.96; letter-spacing: -0.015em; margin-bottom: clamp(1.5rem, 3vw, 2.25rem); max-width: 18ch; }
.p-hero__two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: start; padding-top: 2rem; border-top: 1px solid var(--rule); }
.p-hero__facts { display: grid; gap: 0.9rem; }
.p-hero__facts div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; align-items: baseline; padding-bottom: 0.9rem; border-bottom: 1px solid var(--rule); }
.p-hero__facts span:last-child { font-size: 0.9rem; }

.chapter { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: clamp(1.25rem, 4vw, 3rem); padding-block: clamp(2.75rem, 6vw, 4.5rem); border-top: 1px solid var(--rule); }
.chapter__no { align-self: start; position: sticky; top: 5.5rem; }
.chapter__body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; min-width: 0; }
.chapter h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.75rem, 3.4vw, 2.75rem); line-height: 1.05; letter-spacing: -0.01em; }
.chapter p { color: var(--ink-dim); max-width: 68ch; font-size: 1rem; }
.chapter p strong { color: var(--ink); font-weight: 500; }
.chapter ul.bullets { display: grid; gap: 0.85rem; max-width: 68ch; }
.chapter ul.bullets li { position: relative; padding-left: 1.35rem; color: var(--ink-dim); }
.chapter ul.bullets li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 1px; background: var(--signal); }
.chapter ul.bullets li strong { color: var(--ink); font-weight: 500; }

.figure-note { display: flex; justify-content: space-between; gap: 1rem; padding-top: 0.7rem; border-top: 1px solid var(--rule); flex-wrap: wrap; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.metric { background: var(--bg); padding: 1.5rem 1.25rem; }
.metric b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1; margin-bottom: 0.5rem; }
.metric span { font-size: 0.8125rem; color: var(--ink-dim); }

.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1.75rem; }

.pager { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule); }
.pager a { padding: clamp(2rem, 5vw, 3.5rem) 0; display: grid; gap: 0.6rem; transition: padding-inline 0.5s var(--ease), background 0.5s; }
.pager a:last-child { text-align: right; border-left: 1px solid var(--rule); padding-inline: 0 0; }
.pager a:hover { background: var(--bg-raise); padding-inline: 1.25rem; }
.pager strong { font-family: var(--serif); font-weight: 400; font-size: clamp(1.2rem, 2.4vw, 1.9rem); line-height: 1.1; }

/* status flag for sections awaiting media */
.needs-media {
  border: 1px dashed var(--rule-strong);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: grid; gap: 0.75rem;
  background: repeating-linear-gradient(135deg, transparent, transparent 9px, rgba(237,234,228,0.02) 9px, rgba(237,234,228,0.02) 18px);
}
.needs-media p { font-size: 0.9rem; color: var(--ink-faint); max-width: 56ch; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.85s var(--ease), transform 0.85s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .caps { grid-template-columns: repeat(2, 1fr); }
  .cap:nth-child(2n) { border-right: 0; }
  .work__link { grid-template-columns: 3rem minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 0.7fr); }
  .work__go { display: none; }
  .hero__lower { grid-template-columns: 1fr; align-items: start; }
  .contact__grid, .p-hero__two, .entry { grid-template-columns: 1fr; }
  .overlay__inner { grid-template-columns: 1fr; }
  .split--wide-right { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
}
@media (max-width: 780px) {
  .caps { grid-template-columns: 1fr; }
  .cap { border-right: 0 !important; }
  .cap__idx { margin-bottom: 1.5rem; }
  .work__link { grid-template-columns: 2.5rem 1fr; gap: 0.85rem 1rem; align-items: start; }
  .work__desc { grid-column: 2; }
  .work__stack { grid-column: 2; }
  .chapter { grid-template-columns: 1fr; gap: 1rem; }
  .chapter__no { position: static; }
  /* One image per row on a phone: mixed row-spans stagger into ragged gaps,
     and full-bleed media reads far better than two thumbnails side by side. */
  .collage { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; }
  .c-a, .c-b, .c-c, .c-d, .c-e, .c-tall, .c-wide,
  .sp3, .sp4, .sp5, .sp6, .sp7, .sp8 { grid-column: 1 / -1; }
  .collage .ar-wide, .collage .ar-land, .collage .ar-tall { grid-row: auto; }
  .collage .plate { aspect-ratio: 4 / 3; }
  .collage .plate.ar-tall { aspect-ratio: 1 / 1; }
  .track__row { grid-template-columns: 4.25rem 1fr; }
  .track__bar { display: none; }
  .hero__meta li { grid-template-columns: 1fr; gap: 0.15rem; }
  .pager { grid-template-columns: 1fr; }
  .pager a:last-child { border-left: 0; border-top: 1px solid var(--rule); text-align: left; }
  .awards { grid-template-columns: 1fr 1fr; }
  .award:nth-child(2n) { border-right: 0; }
  .origin { grid-template-columns: 1fr; }
  .split, .split--wide-left, .split--wide-right { grid-template-columns: 1fr; }
  .impact { grid-template-columns: 1fr; }
  .impact__item { border-right: 0; }
  .impact__label { margin-bottom: 1rem; }
  .topbar { grid-template-columns: 1fr auto; }
  .topbar__status { display: none; }
}
@media (max-width: 480px) {
  .awards { grid-template-columns: 1fr; }
  .award { border-right: 0; }
}

/* ---------- motion preferences ---------- */
@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__canvas { display: none; }
  .preview { display: none; }
}