/* ------------------------------------------------------------------
   Ronit Dahiya, portfolio v2
   Theme: warm black + ember orange, locked dark at page level.
   Type: Clash Display (display), Geist (body), Geist Mono (annotations).
   Shape system: containers 18px, media 14px inside, pills for buttons
   and chips, trace bars 6px.
   Accent: one orange for the whole page. Red exists only as a semantic
   failure state inside the canvas simulations.
------------------------------------------------------------------- */

@font-face {
   font-family: 'Clash Display';
   src: url('../fonts/clash-display-500.woff2') format('woff2');
   font-weight: 500;
   font-display: swap;
}

@font-face {
   font-family: 'Clash Display';
   src: url('../fonts/clash-display-600.woff2') format('woff2');
   font-weight: 600;
   font-display: swap;
}

@font-face {
   font-family: 'Clash Display';
   src: url('../fonts/clash-display-700.woff2') format('woff2');
   font-weight: 700;
   font-display: swap;
}

@font-face {
   /* display accent, used only for the footer wordmark */
   font-family: 'Big Shoulders Stencil';
   font-style: normal;
   font-weight: 100 900;
   font-display: swap;
   src: url('../fonts/big-shoulders-stencil.woff2') format('woff2-variations');
}

@font-face {
   font-family: 'Geist';
   font-style: normal;
   font-weight: 100 900;
   font-display: swap;
   src: url('../fonts/geist-latin-wght-normal.woff2') format('woff2-variations');
}

@font-face {
   font-family: 'Geist Mono';
   font-style: normal;
   font-weight: 100 900;
   font-display: swap;
   src: url('../fonts/geist-mono-latin-wght-normal.woff2') format('woff2-variations');
}

:root {
   --bg: #0d0b09;
   --bg-raise: #151210;
   --bg-deep: #080706;
   --text: #f5f1e9;
   --muted: rgba(245, 241, 233, 0.66);
   --subtle: rgba(245, 241, 233, 0.44);
   --line: rgba(245, 241, 233, 0.1);
   --line-warm: rgba(255, 122, 26, 0.14);
   --accent: #ff7a1a;
   --accent-strong: #ff9142;
   --accent-soft: rgba(255, 122, 26, 0.14);
   --accent-mid: rgba(255, 122, 26, 0.45);

   --display: 'Clash Display', 'Geist', system-ui, sans-serif;
   --sans: 'Geist', system-ui, -apple-system, sans-serif;
   --mono: 'Geist Mono', ui-monospace, 'Cascadia Code', monospace;

   --max: 1440px;
   --gutter: clamp(1.25rem, 4.5vw, 4rem);
   --radius: 18px;
   --radius-media: 14px;

   /* Emil-strength curves */
   --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
   --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
   --t-fast: 160ms var(--ease-out);
   --t-base: 260ms var(--ease-out);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
   scroll-behavior: smooth;
   color-scheme: dark;
}

body {
   font-family: var(--sans);
   background: var(--bg-deep);
   color: var(--text);
   line-height: 1.6;
   -webkit-font-smoothing: antialiased;
   text-rendering: optimizeLegibility;
   overflow-x: hidden;
}

/* everything above the footer scrolls as one opaque curtain, so the
   footer can be revealed beneath it (see .contact) */
.page-above {
   position: relative;
   z-index: 2;
   background:
      radial-gradient(1200px 800px at 85% -10%, rgba(255, 122, 26, 0.05), transparent 60%),
      radial-gradient(1000px 700px at -10% 40%, rgba(255, 122, 26, 0.03), transparent 55%),
      var(--bg);
}

::selection { background: var(--accent-mid); color: #fff; }

section, footer { scroll-margin-top: 5rem; }

a {
   color: inherit;
   text-decoration: none;
   transition: color var(--t-fast), opacity var(--t-fast);
}

:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 3px;
   border-radius: 4px;
}

.hl { color: var(--accent); }
.hl-green { color: rgb(62, 207, 142); }
.hl-violet { color: rgb(143, 124, 246); }

/* ------------------------------------------------------------- INTRO
   Plays on every load. Two panels split apart to reveal the page. */

.intro {
   position: fixed;
   inset: 0;
   z-index: 200;
   display: flex;
   align-items: center;
   justify-content: center;
}

.intro.gone { display: none; }
.intro.done { pointer-events: none; }

.intro-panel {
   position: absolute;
   left: 0;
   right: 0;
   background: var(--bg-deep);
   transition: transform 900ms var(--ease-in-out);
}

.ip-top { top: 0; height: 50.5%; }
.ip-bottom { bottom: 0; height: 50%; }

.intro.done .ip-top { transform: translateY(-101%); }
.intro.done .ip-bottom { transform: translateY(101%); }

.intro-word {
   position: relative;
   z-index: 2;
   font-family: var(--display);
   font-size: clamp(2.2rem, 6vw, 4.2rem);
   font-weight: 600;
   letter-spacing: -0.01em;
   color: var(--text);
   transition: transform 450ms var(--ease-out), opacity 350ms ease, letter-spacing 450ms var(--ease-out);
}

/* the closing phrase leans in before the panels split */
.intro-word.intro-final {
   transform: scale(1.05);
   letter-spacing: 0;
}

.intro.done .intro-word {
   opacity: 0;
   transform: scale(0.96) translateY(-12px);
}

.intro-count {
   position: absolute;
   z-index: 2;
   left: var(--gutter);
   bottom: 2rem;
   font-family: var(--mono);
   font-size: 0.85rem;
   font-weight: 600;
   letter-spacing: 0.08em;
   color: var(--accent);
   transition: opacity 300ms ease;
}

.intro.done .intro-count { opacity: 0; }

.intro-word::before {
   content: '';
   display: inline-block;
   width: 0.45em;
   height: 0.45em;
   margin-right: 0.35em;
   border-radius: 50%;
   background: var(--accent);
   transform: translateY(-0.02em);
}

html.intro-lock { overflow: hidden; }

/* hero entrance waits for the curtain (JS adds intro-done; no-JS plays normally) */
.js:not(.intro-done) .hero-word,
.js:not(.intro-done) .hero-sub,
.js:not(.intro-done) .hero-cta,
.js:not(.intro-done) .hero-eyebrow {
   animation-play-state: paused;
}

/* ------------------------------------------------------- ATMOSPHERE */

.atmosphere {
   /* sits over the opaque page curtain as pure additive glow */
   position: fixed;
   inset: 0;
   z-index: 10;
   overflow: hidden;
   pointer-events: none;
}

.ember {
   position: absolute;
   display: block;
   border-radius: 50%;
   will-change: transform;
}

.ember-a {
   width: 72vw;
   height: 72vw;
   left: -22vw;
   top: 20vh;
   background: radial-gradient(circle, rgba(255, 122, 26, 0.07), transparent 62%);
   animation: drift-a 46s ease-in-out infinite alternate;
}

.ember-b {
   width: 58vw;
   height: 58vw;
   right: -18vw;
   top: 55vh;
   background: radial-gradient(circle, rgba(255, 145, 66, 0.055), transparent 60%);
   animation: drift-b 58s ease-in-out infinite alternate;
}

@keyframes drift-a {
   from { transform: translate3d(0, 0, 0) scale(1); }
   to   { transform: translate3d(10vw, -14vh, 0) scale(1.15); }
}

@keyframes drift-b {
   from { transform: translate3d(0, 0, 0) scale(1.1); }
   to   { transform: translate3d(-12vw, 10vh, 0) scale(0.95); }
}

.grain {
   position: fixed;
   inset: 0;
   z-index: 80;
   pointer-events: none;
   opacity: 0.05;
   background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%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");
   background-size: 180px 180px;
}

.scroll-progress {
   position: fixed;
   inset: 0 0 auto 0;
   height: 2px;
   z-index: 90;
   pointer-events: none;
}

.scroll-progress i {
   display: block;
   height: 100%;
   background: linear-gradient(to right, var(--accent), var(--accent-strong));
   transform: scaleX(0);
   transform-origin: left;
}

/* ------------------------------------------------------------ RULER
   Desktop scroll position, drawn like a physical gauge. */

.ruler {
   position: fixed;
   right: clamp(14px, 2vw, 34px);
   top: 50%;
   transform: translateY(-50%);
   z-index: 55;
   display: none;
   pointer-events: none;
}

@media (min-width: 1100px) {
   .js .ruler.ready { display: block; }
   html.ruler-on .scroll-progress { display: none; }
}

.ruler-ticks {
   display: flex;
   flex-direction: column;
   gap: 7px;
   align-items: flex-end;
}

.ruler-ticks i {
   display: block;
   width: 15px;
   height: 1px;
   background: rgba(245, 241, 233, 0.15);
}

.ruler-ticks i:nth-child(5n + 1) { width: 24px; }

.ruler-cursor {
   position: absolute;
   top: -1px;
   right: 0;
   display: flex;
   flex-direction: row-reverse;
   align-items: center;
   gap: 10px;
   will-change: transform;
}

.ruler-cursor i {
   display: block;
   width: 34px;
   height: 2px;
   background: var(--accent);
   box-shadow: 0 0 12px rgba(255, 122, 26, 0.55);
}

.ruler-cursor span {
   font-family: var(--mono);
   font-weight: 600;
   font-size: 0.92rem;
   color: var(--text);
   min-width: 3ch;
   text-align: right;
}

.skip-link {
   position: fixed;
   top: -100px;
   left: 1rem;
   z-index: 100;
   padding: 0.6rem 1.1rem;
   background: var(--accent);
   color: #1c0e00;
   font-weight: 600;
   border-radius: 999px;
   transition: top var(--t-fast);
}

.skip-link:focus-visible { top: 1rem; }

/* ------------------------------------------------------------------ NAV */

.nav {
   position: fixed;
   inset: 0 0 auto 0;
   z-index: 50;
   display: flex;
   align-items: center;
   justify-content: space-between;
   height: 64px;
   padding: 0 var(--gutter);
   transition: background-color var(--t-base), border-color var(--t-base);
   border-bottom: 1px solid transparent;
}

.nav.is-stuck {
   background: rgba(13, 11, 9, 0.72);
   -webkit-backdrop-filter: blur(14px) saturate(140%);
   backdrop-filter: blur(14px) saturate(140%);
   border-bottom-color: var(--line);
}

.nav-brand {
   font-family: 'Big Shoulders Stencil', var(--display);
   font-weight: 700;
   font-size: 1.4rem;
   letter-spacing: 0.06em;
   line-height: 1;
   color: var(--text);
   transition: color var(--t-fast);
}

.nav-brand:hover { color: var(--accent); }

.nav-links {
   display: flex;
   gap: clamp(1.25rem, 3vw, 2.5rem);
}

.nav-links a {
   font-size: 0.92rem;
   font-weight: 500;
   color: var(--muted);
   position: relative;
   padding: 0.25rem 0;
}

.nav-links a::after {
   content: '';
   position: absolute;
   left: 0;
   bottom: 0;
   width: 100%;
   height: 1px;
   background: var(--accent);
   transform: scaleX(0);
   transform-origin: right;
   transition: transform var(--t-base);
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); transform-origin: left; }

/* ------------------------------------------------------------------ HERO */

.hero {
   position: relative;
   min-height: 100dvh;
   display: flex;
   align-items: center;
   padding: 5rem var(--gutter) 4rem;
   overflow: hidden;
}

#system-map {
   position: absolute;
   inset: 0;
   width: 100%;
   height: 100%;
   z-index: 0;
}

.hero-scrim {
   position: absolute;
   inset: 0;
   z-index: 1;
   pointer-events: none;
   background:
      radial-gradient(1100px 700px at 22% 60%, rgba(13, 11, 9, 0.9), rgba(13, 11, 9, 0.3) 55%, transparent 75%),
      linear-gradient(to top, var(--bg) 0%, transparent 24%);
}

.hero::after {
   /* ember horizon */
   content: '';
   position: absolute;
   left: 0;
   right: 0;
   bottom: -1px;
   height: 30vh;
   z-index: 1;
   pointer-events: none;
   background: radial-gradient(60% 120% at 50% 100%, rgba(255, 122, 26, 0.09), transparent 70%);
}

.hero-inner {
   position: relative;
   z-index: 2;
   width: 100%;
   max-width: var(--max);
   margin: 0 auto;
}

.hero-eyebrow {
   font-family: var(--mono);
   font-size: 0.72rem;
   letter-spacing: 0.16em;
   text-transform: uppercase;
   color: var(--subtle);
   margin-bottom: 1.3rem;
   opacity: 0;
   animation: hero-fade 0.9s var(--ease-out) 0.05s forwards;
}

.hero-name {
   font-family: 'Big Shoulders Stencil', var(--display);
   font-size: clamp(4.2rem, 13.5vw, 11.5rem);
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: 0.015em;
   line-height: 0.9;
   margin-bottom: 1.6rem;
}

.hero-word {
   display: inline-block;
   opacity: 0;
   transform: translateY(0.5em);
   filter: blur(6px);
   animation: hero-rise 1s var(--ease-out) forwards;
}

.hero-word:nth-child(2) { animation-delay: 0.12s; }

.hero-sub {
   max-width: 33rem;
   font-size: clamp(1.05rem, 1.5vw, 1.25rem);
   color: var(--muted);
   opacity: 0;
   animation: hero-fade 0.9s var(--ease-out) 0.45s forwards;
}

.hero-cta {
   display: flex;
   flex-wrap: wrap;
   gap: 0.9rem;
   margin-top: 2.4rem;
   opacity: 0;
   animation: hero-fade 0.9s var(--ease-out) 0.65s forwards;
}

@keyframes hero-rise {
   to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes hero-fade {
   from { opacity: 0; transform: translateY(12px); }
   to { opacity: 1; transform: translateY(0); }
}

.btn {
   display: inline-flex;
   align-items: center;
   gap: 0.45rem;
   padding: 0.78rem 1.6rem;
   border-radius: 999px;
   font-weight: 560;
   font-size: 1rem;
   line-height: 1;
   white-space: nowrap;
   transition: transform var(--t-fast), background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
   background: var(--accent);
   color: #1c0e00;
}

.btn-primary:hover {
   background: var(--accent-strong);
   box-shadow: 0 6px 30px -8px rgba(255, 122, 26, 0.55);
}

.btn-ghost {
   border: 1px solid var(--line);
   color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent-mid); color: var(--accent); }

/* ------------------------------------------------------------------ SECTION SHELL */

main { position: relative; z-index: 2; }

.shell {
   max-width: var(--max);
   margin: 0 auto;
   padding-left: var(--gutter);
   padding-right: var(--gutter);
}

.work, .experience, .education, .toolbox, .principles {
   padding-top: clamp(6rem, 13vh, 10rem);
}

.section-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

h2 {
   font-family: var(--display);
   font-size: clamp(2.6rem, 5.5vw, 4.6rem);
   font-weight: 600;
   letter-spacing: -0.01em;
   line-height: 1.02;
}

.section-lede {
   margin-top: 1rem;
   color: var(--muted);
   max-width: 38rem;
   font-size: 1.05rem;
}

/* Reveal primitive: initial state set by GSAP (reversible on scroll-up).
   Without JS, everything stays visible. */

/* ------------------------------------------------------------------ STATEMENT */

.statement {
   position: relative;
   min-height: 100dvh;
   display: flex;
   align-items: center;
   overflow: hidden;
}

.statement::before {
   content: '';
   position: absolute;
   left: 50%;
   top: 50%;
   width: 90vw;
   height: 70vh;
   transform: translate(-50%, -50%);
   background: radial-gradient(50% 50% at 50% 50%, rgba(255, 122, 26, 0.06), transparent 70%);
   pointer-events: none;
}

.statement-inner {
   position: relative;
   max-width: var(--max);
   margin: 0 auto;
   padding: 0 var(--gutter);
}

.statement-text {
   font-family: var(--display);
   font-size: clamp(2.5rem, 6.5vw, 5.6rem);
   font-weight: 600;
   letter-spacing: -0.01em;
   line-height: 1.06;
   max-width: 17em;
}

.statement-part { color: var(--text); }
.statement-hl, .statement-hl .word { color: var(--accent); }

.statement-text .word {
   display: inline-block;
   margin-right: 0.24em;
   opacity: var(--word-o, 1);
}

.statement-after {
   margin-top: 2.4rem;
   max-width: 40rem;
   color: var(--muted);
   font-size: clamp(1.05rem, 1.4vw, 1.2rem);
}

/* ------------------------------------------------------------------ PANELS */

.panel {
   position: relative;
   background:
      linear-gradient(180deg, rgba(255, 122, 26, 0.03), transparent 40%),
      var(--bg-raise);
   border: 1px solid var(--line);
   border-radius: var(--radius);
   overflow: hidden;
}

/* Spotlight border: a warm glow that follows the pointer (hover-capable
   devices only; coordinates set from main.js). */
@media (hover: hover) and (pointer: fine) {
   .spotlight::after {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      pointer-events: none;
      background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--tint, 255, 122, 26), 0.09), transparent 65%);
      opacity: 0;
      transition: opacity 300ms ease;
   }

   .spotlight:hover::after { opacity: 1; }
}

/* ------------------------------------------------------------------ WORK */

.feature { margin-bottom: clamp(5rem, 10vw, 8rem); }

.feature-media {
   display: block;
   position: relative;
}

.feature-media img,
.feature-media video {
   display: block;
   width: 100%;
   height: auto;
   border-radius: var(--radius-media);
   transition: transform 600ms var(--ease-out);
}

.feature-media .media-frame {
   padding: clamp(0.6rem, 1.2vw, 1rem);
   background: linear-gradient(180deg, rgba(255, 122, 26, 0.05), transparent 55%);
}

.feature-media:hover img,
.feature-media:hover video { transform: scale(1.012); }

.demo-caption {
   font-family: var(--mono);
   font-size: 0.73rem;
   letter-spacing: 0.02em;
   color: var(--subtle);
   padding: 0.7rem 1.1rem 0.8rem;
   border-top: 1px solid var(--line);
}

.feature-info {
   display: grid;
   grid-template-columns: 1.4fr 1fr;
   gap: clamp(2rem, 5vw, 5rem);
   margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
   align-items: start;
}

.project-body h3 {
   font-family: var(--display);
   font-size: clamp(1.7rem, 2.8vw, 2.4rem);
   font-weight: 600;
   letter-spacing: 0;
   margin-bottom: 0.9rem;
}

.project-desc { color: var(--muted); font-size: 1.04rem; }

.project-impact {
   margin-top: 1.1rem;
   padding-left: 1rem;
   border-left: 2px solid var(--accent);
   color: var(--text);
   font-weight: 500;
}

.project-hook {
   margin-top: 1rem;
   color: var(--subtle);
   font-size: 0.95rem;
}

.chips {
   display: flex;
   flex-wrap: wrap;
   gap: 0.5rem;
   margin-top: 1.4rem;
   list-style: none;
}

.chips li {
   font-family: var(--mono);
   font-size: 0.75rem;
   letter-spacing: 0.02em;
   color: var(--muted);
   padding: 0.3rem 0.8rem;
   border: 1px solid var(--line);
   border-radius: 999px;
   transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast), background-color var(--t-fast);
}

@media (hover: hover) and (pointer: fine) {
   .chips li:hover {
      color: var(--accent);
      border-color: var(--accent-mid);
      transform: translateY(-2px);
      background: rgba(255, 122, 26, 0.06);
   }
}

.project-links {
   display: flex;
   align-items: baseline;
   gap: 1.2rem;
   margin-top: 1.5rem;
}

.project-links a {
   font-weight: 550;
   font-size: 0.98rem;
   color: var(--accent);
   border-bottom: 1px solid transparent;
   transition: border-color var(--t-fast);
}

.project-links a:hover { border-bottom-color: var(--accent-mid); }

.private-note {
   font-family: var(--mono);
   font-size: 0.72rem;
   letter-spacing: 0.06em;
   text-transform: uppercase;
   color: var(--subtle);
}

/* split rows */
.project-row {
   display: grid;
   grid-template-columns: 1.15fr 1fr;
   gap: clamp(2rem, 5vw, 5rem);
   align-items: center;
   margin-bottom: clamp(4.5rem, 9vw, 7.5rem);
}

.project-row-flip .project-media { order: 2; }
.project-row-flip .project-body { order: 1; }

/* one frame for every project asset: uniform 16:10, cover-cropped */
.project-media img,
.project-media video,
.project-media canvas {
   display: block;
   width: 100%;
   height: auto;
   aspect-ratio: 16 / 10;
   object-fit: cover;
}

.project-duo {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: clamp(1.5rem, 3.5vw, 3rem);
}

.project-duo .project-body { padding-top: 1.7rem; }

.project-duo h3 { font-size: clamp(1.4rem, 2vw, 1.7rem); }

/* ------------------------------------------------------------------ EXPERIENCE / TRACE */

/* the ascent: 2018 student to 2025 senior advisor as one rising line,
   with the section heading composed into the graph's empty corner */
.exp-hero {
   position: relative;
   margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.exp-hero .section-head {
   position: absolute;
   top: 0;
   left: 0;
   z-index: 1;
   margin-bottom: 0;
}

.exp-hero .section-lede { max-width: 22rem; }

.ascent svg {
   display: block;
   width: 100%;
   height: auto;
   overflow: visible;
}

.ascent-mark {
   cursor: pointer;
}

.ascent-mark text {
   font-family: var(--mono);
   font-size: 12.5px;
   letter-spacing: 0.02em;
   fill: var(--subtle);
   transition: fill var(--t-fast);
}

.ascent-mark:hover text { fill: var(--accent); }

.trace {
   padding: clamp(1.6rem, 4vw, 3.2rem);
}

/* the chart: label gutter + shared time axis, like a real trace view */
.trace-chart {
   margin-bottom: clamp(2rem, 4vw, 3rem);
}

.trace-years {
   position: relative;
   height: 1.3rem;
   margin-left: var(--trace-gutter, 240px);
   margin-bottom: 0.7rem;
}

.trace-years span {
   position: absolute;
   left: var(--x);
   font-family: var(--mono);
   font-size: 0.7rem;
   color: var(--subtle);
}

.trace-rows-chart { position: relative; }

.trace-gridlines {
   position: absolute;
   inset: 0 0 0 var(--trace-gutter, 240px);
   pointer-events: none;
}

.trace-gridlines i {
   position: absolute;
   left: var(--x);
   top: 0;
   bottom: 0;
   width: 1px;
   background: linear-gradient(to bottom, var(--line), transparent);
}

.tr-row {
   display: grid;
   grid-template-columns: var(--trace-gutter, 240px) 1fr;
   align-items: center;
   height: 44px;
   cursor: pointer;
}

.tr-label {
   font-family: var(--mono);
   font-size: 0.72rem;
   letter-spacing: 0.01em;
   color: var(--subtle);
   padding-right: 1.2rem;
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
   transition: color var(--t-fast);
}

.tr-track { position: relative; height: 26px; }

.tr-bar {
   position: absolute;
   left: var(--from);
   width: calc(var(--to) - var(--from));
   top: 0;
   bottom: 0;
   border-radius: 6px;
   background: linear-gradient(to right, rgba(255, 122, 26, 0.2), rgba(255, 122, 26, 0.5));
   border: 1px solid rgba(255, 122, 26, 0.4);
   transform-origin: left center;
   transition: background-color var(--t-fast), box-shadow var(--t-fast);
}

.tr-row.hot .tr-label { color: var(--accent); }

.tr-row.hot .tr-bar {
   box-shadow: 0 0 24px -4px rgba(255, 122, 26, 0.5);
   background: linear-gradient(to right, rgba(255, 122, 26, 0.35), rgba(255, 145, 66, 0.75));
}

/* the roles: clean editorial list below the chart */
.trace-roles { list-style: none; }

.trace-role {
   display: grid;
   grid-template-columns: minmax(200px, 300px) 1fr;
   gap: clamp(1rem, 3vw, 3rem);
   padding: 1.5rem 0;
   border-top: 1px solid var(--line);
   transition: background-color var(--t-fast);
   scroll-margin-top: 7rem;
}

/* brief glow after navigating here from the chart */
.flash { animation: role-flash 1.6s var(--ease-out); }

@keyframes role-flash {
   0% { background-color: rgba(255, 122, 26, 0.12); }
   100% { background-color: transparent; }
}

.trace-role h3 {
   font-family: var(--display);
   font-size: 1.22rem;
   font-weight: 600;
   line-height: 1.25;
}

.trace-org {
   display: block;
   font-family: var(--sans);
   font-size: 0.9rem;
   color: var(--subtle);
   font-weight: 450;
   margin-top: 0.25rem;
}

.trace-dates {
   font-family: var(--mono);
   font-size: 0.73rem;
   color: var(--subtle);
   margin-top: 0.5rem;
}

.trace-desc {
   color: var(--muted);
   font-size: 0.98rem;
   max-width: 52rem;
}

.award {
   display: inline-flex;
   align-items: center;
   margin-top: 0.8rem;
   font-family: var(--mono);
   font-size: 0.7rem;
   font-weight: 700;
   letter-spacing: 0.09em;
   text-transform: uppercase;
   color: #1c0e00;
   padding: 0.42rem 0.9rem;
   border-radius: 999px;
   background: linear-gradient(120deg, var(--accent-strong), var(--accent));
   box-shadow: 0 6px 22px -6px rgba(255, 122, 26, 0.65);
}

/* ------------------------------------------------------------------ EDUCATION */

.edu-grid {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: clamp(1.2rem, 2.5vw, 2rem);
   margin-top: clamp(2rem, 4vw, 3rem);
}

.edu-card {
   --tint: 255, 122, 26;
   padding: clamp(1.6rem, 3vw, 2.4rem);
}

.edu-card.tint-green { --tint: 62, 207, 142; }

/* shared tinted top hairline for cards that carry a category color */
.tint-bar::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 58%;
   height: 2px;
   background: linear-gradient(90deg, rgba(var(--tint), 0.8), transparent);
}

.edu-card h3 {
   font-family: var(--display);
   font-size: 1.35rem;
   font-weight: 600;
   line-height: 1.25;
}

.edu-org {
   margin-top: 0.35rem;
   color: var(--muted);
   font-size: 0.95rem;
}

.edu-card .trace-dates { margin-top: 0.5rem; }
.edu-card .trace-desc { margin-top: 0.9rem; }

/* ------------------------------------------------------------------ TOOLBOX */

.toolbox-grid {
   display: grid;
   grid-template-columns: repeat(4, 1fr);
   gap: clamp(1.2rem, 2.5vw, 2rem);
   margin-top: clamp(2rem, 4vw, 3rem);
}

/* each group carries its own tint, echoing how SysSimulator
   color-codes component categories */
.tool-group {
   --tint: 255, 122, 26;
   padding: clamp(1.4rem, 2.5vw, 2rem);
}

.tool-group.tint-violet { --tint: 143, 124, 246; }
.tool-group.tint-green { --tint: 62, 207, 142; }
.tool-group.tint-pink { --tint: 244, 95, 143; }

.tool-group::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 58%;
   height: 2px;
   background: linear-gradient(90deg, rgba(var(--tint), 0.8), transparent);
}

.tool-group h3 {
   font-family: var(--display);
   font-size: 1.15rem;
   font-weight: 600;
   margin-bottom: 1.1rem;
   color: rgb(var(--tint));
}

.tool-group .chips { margin-top: 0; }

@media (hover: hover) and (pointer: fine) {
   .tool-group .chips li:hover {
      color: rgb(var(--tint));
      border-color: rgba(var(--tint), 0.5);
      background: rgba(var(--tint), 0.07);
   }
}

/* ------------------------------------------------------------------ PRINCIPLES */

.principles { padding-bottom: 2rem; }

.principles-list {
   list-style: none;
   margin-top: clamp(2.5rem, 5vw, 4rem);
}

.principles-list li {
   font-family: var(--display);
   font-size: clamp(1.9rem, 4.2vw, 3.4rem);
   font-weight: 600;
   letter-spacing: -0.005em;
   line-height: 1.2;
   padding: clamp(1.5rem, 3vw, 2.4rem) 0;
   max-width: 20em;
}

.principles-list li + li { border-top: 1px solid var(--line); }

.principles-list li:nth-child(2) { margin-left: clamp(0rem, 9vw, 9rem); }
.principles-list li:nth-child(3) { margin-left: clamp(0rem, 18vw, 18rem); }

/* ------------------------------------------------------------------ CONTACT */

.contact {
   position: relative;
   margin-top: clamp(6rem, 13vh, 10rem);
   border-top: 1px solid var(--line);
   background: linear-gradient(to bottom, rgba(255, 122, 26, 0.02), rgba(255, 122, 26, 0.06)), var(--bg-deep);
   overflow: hidden;
}

/* curtain reveal: the footer waits under the page and is exposed as
   .page-above scrolls away (desktop only; short phone viewports would
   clip a fixed footer) */
@media (min-width: 861px) {
   .contact {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1;
      margin-top: 0;
   }
}

.contact::before {
   content: '';
   position: absolute;
   left: 50%;
   bottom: -35vh;
   width: 110vw;
   height: 60vh;
   transform: translateX(-50%);
   background: radial-gradient(50% 50% at 50% 50%, rgba(255, 122, 26, 0.12), transparent 70%);
   pointer-events: none;
}

.contact-inner {
   position: relative;
   max-width: var(--max);
   margin: 0 auto;
   padding: clamp(3.5rem, 7vh, 5.5rem) var(--gutter) 2rem;
}

.contact h2 { max-width: 14em; }

.contact-email {
   display: inline-block;
   margin-top: 2.6rem;
   font-family: var(--mono);
   font-size: clamp(1.1rem, 3.2vw, 2.1rem);
   font-weight: 500;
   letter-spacing: -0.01em;
   color: var(--accent);
   background-image: linear-gradient(var(--accent-mid), var(--accent-mid));
   background-repeat: no-repeat;
   background-position: 0 100%;
   background-size: 100% 1px;
   padding-bottom: 0.2rem;
   transition: color var(--t-fast), background-size 400ms var(--ease-out);
}

.contact-email:hover {
   color: var(--accent-strong);
   background-image: linear-gradient(var(--accent), var(--accent));
   background-size: 100% 2px;
}

/* copy-burst email: click copies the address, the letters shatter into
   particles on an overlay canvas, and "Copied" types itself in (main.js) */
.contact-email .char {
   display: inline-block;
   min-width: 0.2ch;
   will-change: opacity, transform;
}

.email-hint {
   margin-top: 0.7rem;
   font-family: var(--mono);
   font-size: 0.72rem;
   letter-spacing: 0.06em;
   color: var(--subtle);
   transition: color var(--t-fast);
}

.email-hint.is-copied,
.email-hint.is-hot { color: var(--accent); }

.email-burst {
   position: absolute;
   inset: 0;
   pointer-events: none;
   z-index: 3;
}

.contact-links {
   display: flex;
   gap: 1.8rem;
   margin-top: 2.2rem;
}

.contact-links a { color: var(--muted); font-weight: 500; }
.contact-links a:hover { color: var(--accent); }

.footer-wordmark {
   font-family: 'Big Shoulders Stencil', var(--display);
   font-weight: 700;
   text-transform: uppercase;
   font-size: clamp(2.8rem, 10.5vw, 10rem);
   line-height: 0.92;
   letter-spacing: 0.02em;
   white-space: nowrap;
   margin-top: clamp(2.2rem, 5vh, 4rem);
   background: linear-gradient(180deg, rgba(255, 145, 66, 0.92), rgba(255, 122, 26, 0.12));
   -webkit-background-clip: text;
   background-clip: text;
   -webkit-text-fill-color: transparent;
}

/* applied from main.js whenever the footer would not fit under the nav
   at max scroll (measured, not breakpoint-guessed) */
.contact-compact .contact-inner { padding-top: 2.4rem; padding-bottom: 1.6rem; }
.contact-compact h2 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
.contact-compact .contact-email { margin-top: 1.6rem; }
.contact-compact .contact-links { margin-top: 1.4rem; }
.contact-compact .footer-wordmark {
   font-size: clamp(2.4rem, 7.5vw, 7rem);
   margin-top: 1.6rem;
}
.contact-compact .footer-meta { margin-top: 1rem; padding-top: 1rem; }

.footer-meta {
   display: flex;
   justify-content: space-between;
   align-items: baseline;
   flex-wrap: wrap;
   gap: 0.5rem;
   margin-top: clamp(1.4rem, 3vh, 2.2rem);
   padding-top: 1.5rem;
   border-top: 1px solid var(--line);
   font-size: 0.8rem;
   color: var(--subtle);
}

/* ------------------------------------------------------------------ RESPONSIVE */

@media (max-width: 980px) {
   :root { --trace-gutter: 190px; }

   .feature-info { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 860px) {
   .project-row,
   .project-duo,
   .toolbox-grid,
   .edu-grid {
      grid-template-columns: 1fr;
   }

   .ascent { display: none; }

   .exp-hero .section-head {
      position: static;
      margin-bottom: 2.5rem;
   }

   .project-row { gap: 1.6rem; margin-bottom: 4.5rem; }

   .project-row-flip .project-media { order: 0; }
   .project-row-flip .project-body { order: 0; }


   /* trace chart hides, editorial list carries the story */
   .trace-chart { display: none; }

   .trace-role {
      grid-template-columns: 1fr;
      gap: 0.6rem;
      padding-left: 1rem;
      position: relative;
   }

   .trace-role::before {
      content: '';
      position: absolute;
      left: 0;
      top: 1.5rem;
      bottom: 1.5rem;
      width: 2px;
      border-radius: 2px;
      background: linear-gradient(to bottom, var(--accent-mid), transparent);
   }

   .principles-list li:nth-child(2),
   .principles-list li:nth-child(3) { margin-left: 0; }

   .toolbox-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
   .nav-links { gap: 1rem; }
   .nav-links a { font-size: 0.85rem; }
   .hero { padding-top: 4.5rem; }
   .contact-email { font-size: 1.05rem; }
   .toolbox-grid { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------------ PRINT */

@media print {
   [data-reveal],
   .hero-word, .hero-sub, .hero-cta, .hero-eyebrow,
   .statement-text .word, .statement-after {
      opacity: 1 !important;
      visibility: visible !important;
      transform: none !important;
      filter: none !important;
      animation: none !important;
   }

   .tr-bar { transform: none !important; }

   .ascent-path { stroke-dashoffset: 0 !important; }
   .ascent-mark { opacity: 1 !important; visibility: visible !important; }

   .grain, .atmosphere, .scroll-progress, #system-map, .intro, .ruler { display: none !important; }

   .contact { position: static !important; }
   .page-above { margin-bottom: 0 !important; }
}

/* ------------------------------------------------------------------ REDUCED MOTION */

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

   .hero-word, .hero-sub, .hero-cta, .hero-eyebrow {
      animation: none;
      opacity: 1;
      transform: none;
      filter: none;
   }

   .ember-a, .ember-b { animation: none; }

   .intro { display: none; }
   html.intro-lock { overflow: auto; }

   .flash { animation: none; }
   .intro-panel, .intro-word, .intro-count { transition: none; }

   .statement-text .word { opacity: 1 !important; }

   .feature-media img { transition: none; }

   .btn, .nav-links a::after, .chips li { transition: none; }
}