/* ============================================================
   Dibakar Roy Sarkar — Portfolio
   Aesthetic: deep-space blueprint · cyan/indigo · scientific
   ============================================================ */

:root {
  --bg:        #f7f8fb;   /* soft paper white */
  --bg-soft:   #eef1f7;
  --panel:     #ffffff;
  --panel-2:   #ffffffcc;
  --line:      #e0e5ee;
  --line-soft: #eaeef4;
  --text:      #0e1524;   /* deep ink navy */
  --text-dim:  #2f3950;   /* darker for readable body copy */
  --text-mute: #626c82;
  --accent:    #2563eb;   /* professional blue */
  --accent-2:  #6d5ef0;   /* indigo */
  --accent-3:  #0d9488;   /* deep teal */
  --warm:      #e07a3a;
  --glow:      rgba(37,99,235,.30);
  --glass:     rgba(255,255,255,.72);
  --shadow:    rgba(23,37,84,.14);
  --maxw: 1180px;
  --font: 'Computer Modern Serif', 'Latin Modern Roman', Georgia, 'Times New Roman', serif;
  --mono: 'Computer Modern Serif', 'Latin Modern Roman', Georgia, 'Times New Roman', serif;
  --serif: 'Computer Modern Serif', Georgia, serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  font-size: 1.2rem;        /* CM serif renders small; give it room */
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle blueprint grid on the whole page */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .35;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 85%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
canvas { display: block; }

/* ---------- cursor glow ---------- */
.cursor-glow {
  position: fixed; top: 0; left: 0;
  width: 460px; height: 460px;
  margin: -230px 0 0 -230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77,163,255,.10), transparent 65%);
  pointer-events: none; z-index: 1;
  transition: opacity .4s;
  will-change: transform;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- scroll progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  z-index: 100;
  box-shadow: 0 0 12px var(--glow);
}

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 54px);
  transition: background .4s, backdrop-filter .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(247,248,251,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding-top: 12px; padding-bottom: 12px;
  box-shadow: 0 6px 24px -18px var(--shadow);
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__mark {
  font-family: var(--mono); font-weight: 500;
  color: var(--accent); border: 1px solid var(--line);
  padding: 4px 9px; border-radius: 8px; font-size: 1.05rem;
  background: var(--panel);
}
.nav__name { font-weight: 700; letter-spacing: .2px; font-size: 1.15rem; }
.nav__links { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); }
.nav__links a { font-size: 1.05rem; color: var(--text-dim); transition: color .25s; position: relative; }
.nav__links a:not(.nav__cta):hover { color: var(--text); }
.nav__links a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--accent); transition: width .3s;
}
.nav__links a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  border: 1px solid var(--accent); color: var(--accent);
  padding: 7px 16px; border-radius: 999px; transition: all .25s;
}
.nav__cta:hover { background: var(--accent); color: #fff; box-shadow: 0 0 20px var(--glow); }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.nav__burger span { width: 24px; height: 2px; background: var(--text); transition: .3s; }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px clamp(20px, 5vw, 54px) 80px;
  overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 66% 44%, transparent, rgba(247,248,251,.28) 74%, var(--bg) 100%),
    linear-gradient(180deg, rgba(247,248,251,.45), transparent 20%, transparent 62%, var(--bg));
}
.hero__inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .95rem; letter-spacing: .5px;
  color: var(--text-dim); text-transform: uppercase;
  border: 1px solid var(--line); padding: 8px 16px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(6px);
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 0 rgba(53,230,195,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(53,230,195,0); } 100% { box-shadow: 0 0 0 0 rgba(53,230,195,0); } }

.hero__title {
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 700; line-height: 1.04; letter-spacing: -.015em;
  margin: 28px 0 22px;
}
.hero__accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-3) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-family: var(--serif); font-style: italic; font-weight: 400;
}
.hero__sub { font-size: clamp(1.25rem, 2.1vw, 1.6rem); color: var(--text-dim); max-width: 680px; line-height: 1.55; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 36px 0 52px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 1rem;
  transition: transform .2s, box-shadow .3s, background .3s, color .3s, border-color .3s;
  cursor: pointer; border: 1px solid transparent;
}
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 8px 30px -8px var(--glow); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -6px var(--glow); }
.btn--ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.6); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero__meta { font-family: var(--mono); font-size: .98rem; color: var(--text-mute); letter-spacing: .3px; }
.hero__meta a { color: var(--accent); border-bottom: 1px solid var(--line); }

.hero__scroll {
  position: absolute; left: 50%; bottom: 32px; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .7rem; letter-spacing: 3px; text-transform: uppercase; color: var(--text-mute);
}
.hero__scroll-line { width: 1px; height: 44px; background: linear-gradient(var(--accent), transparent); animation: scrollLine 2s infinite; }
@keyframes scrollLine { 0% { opacity: 0; transform: scaleY(.3); transform-origin: top; } 50% { opacity: 1; } 100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; } }

/* ============ SECTIONS ============ */
.section { position: relative; z-index: 2; padding: clamp(80px, 12vh, 150px) clamp(20px, 5vw, 54px); max-width: var(--maxw); margin: 0 auto; }
.section__head { max-width: 780px; margin-bottom: 64px; }
.kicker {
  font-family: var(--mono); font-size: .9rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); display: inline-block; margin-bottom: 18px;
}
.section__title { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; letter-spacing: -.015em; line-height: 1.08; }
.section__lead { margin-top: 20px; font-size: clamp(1.25rem, 1.7vw, 1.45rem); color: var(--text-dim); line-height: 1.65; }
.section__lead a { color: var(--accent); border-bottom: 1px solid var(--line); }

/* ============ TIMELINE ============ */
.timeline { position: relative; padding-left: 12px; }
.timeline__line { position: absolute; left: 12px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--accent), var(--accent-2), transparent); }
.tl-item { position: relative; padding: 0 0 54px 46px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item__dot {
  position: absolute; left: 5px; top: 6px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 4px rgba(77,163,255,.12), 0 0 18px var(--glow);
}
.tl-item__meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: baseline; margin-bottom: 8px; }
.tl-year { font-family: var(--mono); color: var(--accent); font-size: .9rem; }
.tl-place { font-size: .82rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; }
.tl-item__body h3 { font-size: 1.55rem; font-weight: 500; margin-bottom: 8px; }
.tl-item__body p { color: var(--text-dim); font-size: 1.14rem; max-width: 640px; }

/* ============ PILLARS ============ */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.pillar {
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px;
  transition: transform .35s, border-color .35s, box-shadow .35s; position: relative; overflow: hidden;
}
.pillar::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 100% 0%, rgba(77,163,255,.10), transparent 55%); opacity: 0; transition: opacity .35s; }
.pillar:hover { transform: translateY(-6px); border-color: #c3ccdd; box-shadow: 0 22px 50px -26px var(--shadow); }
.pillar:hover::after { opacity: 1; }
.pillar__num { color: var(--accent); margin-bottom: 16px; line-height: 1; min-height: 34px; font-size: 1.3rem; }
.pillar__num mjx-container { color: var(--accent); }
.pillar h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }
.pillar p { color: var(--text-dim); font-size: 1.1rem; }
.pillar__tag { display: inline-block; margin-top: 18px; font-family: var(--mono); font-size: .74rem; color: var(--text-mute); letter-spacing: .5px; }

/* ============ LIVE LAB / VIZ ============ */
.viz {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; align-items: stretch;
  margin-bottom: 40px;
}
.viz--reverse .viz__stage { order: 2; }
.viz--reverse .viz__panel { order: 1; }
.viz__stage {
  position: relative; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--bg-soft); min-height: 420px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5), 0 24px 50px -30px var(--shadow);
}
.viz__stage--interactive { cursor: crosshair; }
.viz__canvas { width: 100%; height: 100%; position: absolute; inset: 0; }
.viz__badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-family: var(--mono); font-size: .74rem; color: var(--text-dim);
  background: rgba(5,6,10,.6); border: 1px solid var(--line); padding: 6px 12px; border-radius: 8px;
  backdrop-filter: blur(6px);
}
.viz__state { position: absolute; top: 16px; right: 16px; z-index: 2; font-family: var(--mono); font-size: .74rem; color: var(--text-mute); }
.viz__state b { color: var(--accent-3); }
.viz__hint {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 2;
  font-family: var(--mono); font-size: .72rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px;
  animation: hintPulse 3s infinite;
}
@keyframes hintPulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }
.viz__panel {
  display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line); border-radius: 18px; padding: 34px 30px;
}
.viz__panel h3 { font-size: 1.55rem; font-weight: 600; margin-bottom: 12px; }
.viz__panel > p { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 26px; }
.control { margin-bottom: 20px; }
.control label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: .95rem; color: var(--text-dim); margin-bottom: 8px; font-family: var(--mono);
}
.control output { color: var(--accent); font-weight: 500; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 4px;
  background: var(--line); outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--text); box-shadow: 0 0 0 3px rgba(77,163,255,.25), 0 0 12px var(--glow); transition: transform .15s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); background: var(--accent); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--text); box-shadow: 0 0 0 3px rgba(77,163,255,.25); }
.viz__reset {
  margin-top: 10px; align-self: flex-start;
  background: rgba(77,163,255,.08); border: 1px solid var(--line); color: var(--text-dim);
  font-family: var(--mono); font-size: .82rem; padding: 10px 18px; border-radius: 10px; cursor: pointer;
  transition: all .25s;
}
.viz__reset:hover { color: var(--accent); border-color: var(--accent); background: rgba(77,163,255,.14); }

/* ============ WORK ============ */
.work__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 20px; }
.wcard {
  border: 1px solid var(--line); border-radius: 16px; padding: 28px 26px;
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
  transition: transform .3s, border-color .3s, box-shadow .3s; position: relative; overflow: hidden;
}
.wcard::before { content: ""; position: absolute; top: 0; left: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-3)); transition: width .4s; }
.wcard:hover { transform: translateY(-5px); border-color: #c3ccdd; box-shadow: 0 22px 46px -28px var(--shadow); }
.wcard:hover::before { width: 100%; }
.wcard__tag { font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .5px; text-transform: uppercase; }
.wcard h3 { font-size: 1.2rem; font-weight: 600; margin: 12px 0 10px; }
.wcard p { color: var(--text-dim); font-size: 1.08rem; }

/* ============ PUBLICATIONS ============ */
.pub-list { list-style: none; }
.pub {
  display: flex; gap: 24px; padding: 22px 4px; border-top: 1px solid var(--line);
  transition: background .25s, padding-left .25s;
}
.pub:last-child { border-bottom: 1px solid var(--line); }
.pub:hover { background: rgba(77,163,255,.04); padding-left: 14px; }
.pub__venue {
  flex: 0 0 120px; font-family: var(--mono); font-size: .8rem; color: var(--accent);
  padding-top: 3px;
}
.pub__title { font-size: 1.18rem; font-weight: 500; line-height: 1.4; }
.pub__auth { font-size: .95rem; color: var(--text-mute); margin-top: 5px; font-family: var(--mono); }
.pub__auth b { color: var(--text-dim); }

/* ============ AWARDS ============ */
.award-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.award {
  display: flex; flex-direction: column; gap: 4px; padding: 24px 22px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--panel);
  transition: transform .3s, border-color .3s;
}
.award:hover { transform: translateY(-4px) scale(1.01); border-color: #c3ccdd; box-shadow: 0 16px 36px -26px var(--shadow); }
.award__ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; margin-bottom: 14px; padding: 9px;
  color: var(--accent); border-radius: 12px;
  background: rgba(37,99,235,.07); border: 1px solid var(--line);
}
.award__ico svg { width: 100%; height: 100%; display: block; }
.award:hover .award__ico { color: var(--accent-2); }
.award b { font-size: 1rem; font-weight: 600; }
.award span:last-child { font-size: .82rem; color: var(--text-mute); }

/* ============ GALLERY ============ */
.gallery__grid { column-count: 3; column-gap: 14px; }
.gcard {
  position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line);
  background: var(--panel); transition: transform .35s, box-shadow .35s;
  break-inside: avoid; margin: 0 0 14px; display: block; width: 100%;
}
.gcard:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -24px var(--shadow); z-index: 3; }
.gcard img { width: 100%; height: auto; display: block; transition: transform .6s ease; }
.gcard:hover img { transform: scale(1.04); }
.gcard__ph { min-height: 220px; }
.gcard__cap {
  position: absolute; inset: auto 0 0 0; padding: 30px 16px 14px;
  background: linear-gradient(transparent, rgba(10,16,32,.92)); font-size: .85rem; color: #fff;
}
.gcard__ph {
  width: 100%; height: 100%; display: flex; flex-direction: column; gap: 8px;
  align-items: center; justify-content: center; text-align: center; padding: 20px;
  color: var(--text-mute); background:
    repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(28,34,51,.35) 12px, rgba(28,34,51,.35) 13px),
    radial-gradient(circle at 50% 40%, rgba(77,163,255,.06), transparent 70%);
}
.gcard__ph span:first-child { font-size: 1.8rem; }
.gcard__ph span:last-child { font-family: var(--mono); font-size: .78rem; }

/* ============ CONTACT ============ */
.contact { position: relative; text-align: center; max-width: 100%; padding-left: 0; padding-right: 0; overflow: hidden; }
.contact__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: .5; }
.contact__inner { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; padding: 0 24px; }
.contact__title { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.015em; line-height: 1.15; margin: 14px 0 40px; }
.contact__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.contact__links { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; margin-top: 44px; }
.contact__links a { font-family: var(--mono); font-size: 1.1rem; color: var(--text-dim); position: relative; transition: color .25s; }
.contact__links a:hover { color: var(--accent); }
.footer {
  position: relative; z-index: 2; max-width: var(--maxw); margin: 80px auto 0; padding: 26px 24px 40px;
  border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--mono); font-size: .98rem; color: var(--text-dim);
}

/* ============ REVEAL ANIMATION ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px) {
  .viz { grid-template-columns: 1fr; }
  .viz--reverse .viz__stage { order: 0; }
  .viz--reverse .viz__panel { order: 0; }
  .viz__stage { min-height: 320px; }
  .nav__links { position: fixed; inset: 0 0 auto 0; top: 0; flex-direction: column; background: rgba(255,255,255,.97); backdrop-filter: blur(16px); padding: 90px 30px 40px; gap: 26px; transform: translateY(-120%); transition: transform .4s cubic-bezier(.16,1,.3,1); height: 100vh; justify-content: flex-start; }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { font-size: 1.3rem; }
  .nav__burger { display: flex; z-index: 60; }
  .nav__burger.is-open span:first-child { transform: rotate(45deg) translate(4px, 5px); }
  .nav__burger.is-open span:last-child { transform: rotate(-45deg) translate(4px, -5px); }
  .pub { flex-direction: column; gap: 6px; }
  .pub__venue { flex-basis: auto; }
  .footer { flex-direction: column; }
  .gallery__grid { column-count: 2; }
}
@media (max-width: 560px) {
  .gallery__grid { column-count: 1; }
}

/* ============ MATHJAX GENERAL ============ */
mjx-container { overflow-x: auto; overflow-y: hidden; max-width: 100%; }
mjx-container[display="true"] { margin: 0 !important; }

/* ============ VIZ — professional relabel ============ */
.viz__figtag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-family: var(--mono); font-size: .72rem; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--text-dim); background: var(--glass); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 7px; backdrop-filter: blur(6px);
}
.viz__live {
  position: absolute; top: 16px; right: 16px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: .68rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-mute);
}
.viz__live span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 8px var(--accent-3); animation: pulse 2s infinite; }

.viz__eq {
  margin: 0 0 20px; padding: 16px 18px; border-radius: 12px;
  background: rgba(77,163,255,.05); border: 1px solid var(--line);
  border-left: 2px solid var(--accent); overflow-x: auto;
  color: var(--text);
}
.viz__panel h3 { margin-bottom: 16px; }

/* ============ RESEARCH IN MOTION ============ */
.motion { }
.rfig__cite {
  display: inline-block; font-family: var(--mono); font-size: .72rem; letter-spacing: .3px;
  color: var(--accent); margin-bottom: 10px;
}
.rfig__eq { margin: 8px 0 12px; color: var(--text-dim); font-size: .95rem; overflow-x: auto; }

/* controlled vs uncontrolled comparison */
.compare {
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden; margin-bottom: 26px;
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
}
.compare__pair {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0;
  background: var(--bg-soft);
}
.compare__item { position: relative; }
.compare__item img { width: 100%; display: block; background: var(--bg-soft); }
.compare__label {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .5px; text-transform: uppercase;
  padding: 5px 11px; border-radius: 6px; backdrop-filter: blur(4px);
}
.compare__label--bad { color: #ff9f4d; background: rgba(255,159,77,.12); border: 1px solid rgba(255,159,77,.35); }
.compare__label--good { color: var(--accent-3); background: rgba(53,230,195,.12); border: 1px solid rgba(53,230,195,.35); }
.compare__vs { font-size: 1.6rem; color: var(--accent); padding: 0 18px; font-family: var(--mono); }
.compare figcaption { padding: 28px 30px; }
.compare figcaption h4 { font-size: 1.35rem; font-weight: 600; margin-bottom: 4px; }
.compare figcaption p { color: var(--text-dim); font-size: 1.12rem; max-width: 720px; }

/* motion grid of figure cards */
.motion__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 26px; }
.rfig {
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
  display: flex; flex-direction: column;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.rfig:hover { transform: translateY(-5px); border-color: #2c3654; box-shadow: 0 24px 50px -30px var(--shadow); }
.rfig__media { background: var(--bg-soft); line-height: 0; aspect-ratio: 16/11; overflow: hidden; }
.rfig__media img, .rfig__media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.rfig__media--light { background: #f4f6fb; aspect-ratio: auto; }
.rfig__media--light img { object-fit: contain; padding: 14px; }
.rfig figcaption { padding: 22px 24px; }
.rfig figcaption h4 { font-size: 1.15rem; font-weight: 600; margin-bottom: 4px; }
.rfig figcaption p { color: var(--text-dim); font-size: 1.08rem; }
.rfig--wide { }
.rfig--wide .rfig__media { aspect-ratio: auto; }
.rfig--paper .rfig__media--light img { max-height: 460px; width: 100%; }

/* ============ WORK CARDS WITH MEDIA ============ */
.wcard--media { padding-top: 0; overflow: hidden; }
.wcard__media { margin: -1px -26px 20px; background: var(--bg-soft); line-height: 0; aspect-ratio: 16/9; overflow: hidden; }
.wcard__media img { width: 100%; height: 100%; object-fit: cover; }
.wcard__media--light { background: #f4f6fb; }
.wcard__media--light img { object-fit: contain; padding: 12px; }

/* ============ RESPONSIVE (new components) ============ */
@media (max-width: 720px) {
  .compare__pair { grid-template-columns: 1fr; }
  .compare__vs { transform: rotate(90deg); padding: 10px 0; }
  .rfig--paper .rfig__media--light img { max-height: none; }
}