/* =====================================================================
   Benjamin Price — personal site
   Design language: "instrument" — dark lab panel, hairline rules,
   monospace micro-labels, plasma-violet accent, serif display type.
   ===================================================================== */

/* ---------- tokens --------------------------------------------------- */

:root {
  /* dark is the default surface */
  --bg:          #08080c;
  --bg-elev:     #0d0d14;
  --surface:     #12121b;
  --surface-2:   #171724;

  --line:        rgba(255, 255, 255, 0.085);
  --line-strong: rgba(255, 255, 255, 0.18);

  --ink:         #eceaf2;
  --ink-2:       #a8a5b8;
  --ink-3:       #8a8799;

  --accent:      #a78bfa;
  --accent-lit:  #c9b8ff;
  --accent-wash: rgba(167, 139, 250, 0.12);
  --ember:       #e0a458;

  --glow:        rgba(139, 92, 246, 0.28);
  --shadow:      0 1px 2px rgba(0, 0, 0, 0.5), 0 12px 32px rgba(0, 0, 0, 0.42);

  --wave: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='16' viewBox='0 0 80 16'%3E%3Cpath d='M0 8C10 0 30 0 40 8s30 8 40 0' fill='none' stroke='%23a78bfa' stroke-width='1'/%3E%3C/svg%3E");

  /* type */
  --serif: "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  /* metrics */
  --page:   1180px;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --measure: 66ch;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

:root[data-theme="light"] {
  --bg:          #fbfaf8;
  --bg-elev:     #ffffff;
  --surface:     #f4f2ee;
  --surface-2:   #edeae4;

  --line:        rgba(24, 20, 38, 0.13);
  --line-strong: rgba(24, 20, 38, 0.26);

  --ink:         #16151d;
  --ink-2:       #514e5c;
  --ink-3:       #6e6a78;

  --accent:      #4b2e83;
  --accent-lit:  #6a45b8;
  --accent-wash: rgba(75, 46, 131, 0.09);
  --ember:       #9a6216;

  --glow:        rgba(75, 46, 131, 0.14);
  --shadow:      0 1px 2px rgba(28, 22, 48, 0.06), 0 10px 30px rgba(28, 22, 48, 0.09);

  --wave: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='16' viewBox='0 0 80 16'%3E%3Cpath d='M0 8C10 0 30 0 40 8s30 8 40 0' fill='none' stroke='%234b2e83' stroke-width='1'/%3E%3C/svg%3E");
}

/* ---------- reset ---------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  font-weight: 350;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 380;
  line-height: 1.14;
  letter-spacing: -0.014em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

ul, ol { margin: 0 0 1.15em; padding-left: 1.15em; }
li { margin-bottom: 0.4em; }
li::marker { color: var(--accent); }

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

::selection { background: var(--accent); color: var(--bg); }

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

/* ---------- utility --------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.prose { max-width: var(--measure); }
.prose a { color: var(--ink); text-decoration-color: var(--accent); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 999;
  background: var(--accent); color: #0b0713;
  padding: 0.7rem 1.1rem; border-radius: var(--radius);
  font: 500 0.85rem/1 var(--mono); text-decoration: none;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* mono micro-label used above every section + on data */
.eyebrow {
  display: flex; align-items: flex-start; gap: 0.7em;
  font: 500 0.7rem/1.5 var(--mono);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 1.4rem;
}
.eyebrow::before {
  content: ""; flex: none;
  width: 1.9rem; height: 1px; margin-top: 0.72em;
  background: var(--accent); opacity: 0.85;
}
.eyebrow .idx { color: var(--accent); }

.lede {
  font-size: clamp(1.1rem, 1rem + 0.55vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink-2);
  font-weight: 300;
}

.dim { color: var(--ink-2); }
.faint { color: var(--ink-3); }

.mono-meta {
  font: 400 0.74rem/1.5 var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* sine-wave rule — an AC drive waveform, on-theme for a plasma lab */
.wave-rule {
  height: 16px;
  background-image: var(--wave);
  background-repeat: repeat-x;
  background-position: left center;
  opacity: 0.22;
  margin-block: 0;
}

/* ---------- header / nav --------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--line); }

.nav {
  display: flex; align-items: center; gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex; align-items: baseline; gap: 0.6rem;
  text-decoration: none; margin-right: auto;
}
.brand .mark {
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0.42rem 0.42rem 0.36rem;
}
.brand .name {
  font-family: var(--serif); font-size: 1.06rem; letter-spacing: -0.01em;
}
.brand:hover .mark { border-color: var(--accent); }

.nav-links {
  display: flex; align-items: center; gap: 0.15rem;
  list-style: none; margin: 0; padding: 0;
}
.nav-links li { margin: 0; }
.nav-links a {
  display: block; padding: 0.45rem 0.8rem;
  font: 400 0.83rem/1 var(--sans);
  letter-spacing: 0.01em;
  color: var(--ink-2); text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--accent-wash); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: ""; display: block; height: 1px; margin-top: 0.3rem;
  background: var(--accent);
}

.icon-btn {
  display: inline-grid; place-items: center;
  width: 2.1rem; height: 2.1rem; flex: none;
  background: transparent; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface); }
.icon-btn svg { width: 1rem; height: 1rem; }
.icon-btn .sun { display: none; }
:root[data-theme="light"] .icon-btn .sun { display: block; }
:root[data-theme="light"] .icon-btn .moon { display: none; }

.nav-toggle { display: none; }

/* --- mobile nav --- */
/* Five primary links plus the brand and two icon buttons stop fitting
   comfortably below ~840px, so collapse earlier than the usual phone width. */
@media (max-width: 840px) {
  .nav-toggle { display: inline-grid; }

  .nav-links {
    position: fixed; inset: 4.25rem 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.25rem;
    box-shadow: var(--shadow);
    transform-origin: top;
    display: none;
  }
  .nav-links.is-open { display: flex; animation: dropIn 0.22s var(--ease); }
  .nav-links a {
    padding: 0.85rem 0.25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav-links li:last-child a { border-bottom: 0; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links a[aria-current="page"] { color: var(--accent); }
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- buttons --------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.72rem 1.3rem;
  font: 450 0.85rem/1 var(--sans);
  letter-spacing: 0.005em;
  text-decoration: none; cursor: pointer;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent; color: var(--ink);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
              background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); background: var(--accent-wash); }
.btn svg { width: 0.95rem; height: 0.95rem; flex: none; }

.btn-primary {
  background: var(--accent); border-color: var(--accent);
  color: #0b0713; font-weight: 500;
}
:root[data-theme="light"] .btn-primary { color: #fff; }
.btn-primary:hover {
  background: var(--accent-lit); border-color: var(--accent-lit);
  box-shadow: 0 6px 24px var(--glow);
}

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- hero ------------------------------------------------------ */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute; inset: 0; z-index: -2;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 74% 50%;
  opacity: 0.78;
}
:root[data-theme="light"] .hero-media img { opacity: 0.33; }

.hero-scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg,
      var(--bg) 22%,
      color-mix(in srgb, var(--bg) 86%, transparent) 44%,
      color-mix(in srgb, var(--bg) 40%, transparent) 66%,
      transparent 84%),
    linear-gradient(to top, var(--bg) 1%, transparent 38%);
}

/* slow breathing plasma glow */
.hero-glow {
  position: absolute; z-index: -1;
  right: 6%; top: 42%;
  width: min(52vw, 620px); aspect-ratio: 1;
  transform: translateY(-50%);
  background: radial-gradient(circle, var(--glow) 0%, transparent 66%);
  filter: blur(28px);
  animation: breathe 7.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes breathe {
  0%, 100% { opacity: 0.55; transform: translateY(-50%) scale(0.97); }
  50%      { opacity: 1;    transform: translateY(-50%) scale(1.05); }
}

.hero-inner {
  padding-block: clamp(3.5rem, 10vh, 6.5rem) clamp(3.25rem, 8vh, 5.5rem);
  max-width: 44rem;
}

.hero h1 {
  font-size: clamp(2.9rem, 1.7rem + 5.4vw, 5.4rem);
  font-weight: 300;
  letter-spacing: -0.032em;
  line-height: 0.98;
  margin-bottom: 1.5rem;
}
.hero h1 .surname { display: block; color: var(--ink); }
.hero h1 .given { display: block; color: var(--ink-2); font-style: italic; font-weight: 200; }

.hero-role {
  font-size: clamp(1.08rem, 0.98rem + 0.5vw, 1.3rem);
  line-height: 1.5; font-weight: 300;
  color: var(--ink-2);
  max-width: 34rem; margin-bottom: 2rem;
}
.hero-role strong { color: var(--ink); font-weight: 450; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem;
  margin-bottom: 2.4rem; padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  max-width: 34rem;
}
.hero-meta span { font: 400 0.72rem/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.hero-meta span b { color: var(--accent); font-weight: 500; }

/* On narrow screens the orb sits behind the copy, so push it off to the
   right and lay a much heavier scrim over what is left. */
@media (max-width: 760px) {
  .hero-media img { object-position: 84% 44%; opacity: 0.55; }
  .hero-scrim {
    background:
      linear-gradient(to bottom,
        color-mix(in srgb, var(--bg) 66%, transparent) 0%,
        color-mix(in srgb, var(--bg) 52%, transparent) 40%,
        var(--bg) 99%),
      linear-gradient(to right, var(--bg) 2%, transparent 55%);
  }
  .hero-glow { opacity: 0.5; right: -12%; }
}

/* decorative charge–voltage Lissajous, the canonical DBD power diagnostic */
.lissajous {
  position: absolute; z-index: 0;
  right: var(--gutter); bottom: 2.2rem;
  width: 150px; height: 110px;
  opacity: 0.5;
  pointer-events: none;
}
.lissajous path.loop {
  fill: none; stroke: var(--accent); stroke-width: 1.1;
  stroke-dasharray: 300; stroke-dashoffset: 300;
  animation: trace 6s var(--ease) infinite;
}
.lissajous path.axis { stroke: var(--line-strong); stroke-width: 1; fill: none; }
.lissajous text { font: 400 6px var(--mono); fill: var(--ink-3); letter-spacing: 0.1em; }
@keyframes trace {
  0%       { stroke-dashoffset: 300; }
  55%, 88% { stroke-dashoffset: 0; }
  100%     { stroke-dashoffset: -300; }
}
@media (max-width: 760px) { .lissajous { display: none; } }

/* ---------- sections -------------------------------------------------- */

.section { padding-block: clamp(3.75rem, 9vw, 7rem); }
.section + .section { border-top: 1px solid var(--line); }
.section-tight { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.section-head { margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head h2 {
  font-size: clamp(1.9rem, 1.35rem + 2.1vw, 3rem);
  font-weight: 320;
}
.section-head .lede { margin-top: 1.1rem; max-width: var(--measure); }

/* two-column: sticky label rail + content */
.split {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 4.5rem);
  align-items: start;
}
.split > .rail { position: sticky; top: 6.5rem; }
.split > .rail h2 { font-size: clamp(1.6rem, 1.25rem + 1.4vw, 2.3rem); }

@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .split > .rail { position: static; }
}

/* ---------- cards / grids --------------------------------------------- */

.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid > .cell {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2.2rem);
  transition: background-color 0.3s var(--ease);
}
.grid > .cell:hover { background: var(--bg-elev); }

.cell h3 {
  font-size: 1.3rem; font-weight: 400;
  margin-bottom: 0.75rem;
}
.cell p { font-size: 0.94rem; color: var(--ink-2); }
.cell .eyebrow { margin-bottom: 1rem; }

@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- tags ------------------------------------------------------ */

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 0; padding: 0; }
.tags li { margin: 0; }
.tag {
  display: inline-block;
  font: 400 0.71rem/1 var(--mono);
  letter-spacing: 0.05em;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.42rem 0.72rem;
  white-space: nowrap;
}
.tag-accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 42%, transparent); }

/* ---------- publications ---------------------------------------------- */

.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-list > li { margin: 0; border-top: 1px solid var(--line); }
.pub-list > li:last-child { border-bottom: 1px solid var(--line); }

.pub {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0 clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.5rem, 3vw, 2.1rem);
  transition: background-color 0.3s var(--ease);
}
.pub:hover { background: var(--bg-elev); }
.pub .year {
  font: 400 0.78rem/1.9 var(--mono);
  color: var(--accent); letter-spacing: 0.06em;
}
.pub h3 {
  font-size: clamp(1.08rem, 1rem + 0.4vw, 1.32rem);
  font-weight: 400; line-height: 1.3;
  margin-bottom: 0.55rem;
}
.pub h3 a { text-decoration: none; background-image: linear-gradient(var(--accent), var(--accent)); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size 0.3s var(--ease); }
.pub:hover h3 a { background-size: 100% 1px; }
.pub .authors { font-size: 0.9rem; color: var(--ink-2); margin-bottom: 0.35rem; }
.pub .authors .me { color: var(--ink); font-weight: 500; }
.pub .venue { font: 400 0.78rem/1.5 var(--mono); color: var(--ink-3); letter-spacing: 0.02em; }
.pub .venue em { color: var(--ink-2); font-style: normal; }
.pub .summary { font-size: 0.92rem; color: var(--ink-2); margin-top: 0.8rem; max-width: 60ch; }
.pub .links { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.pub .links a {
  font: 400 0.72rem/1 var(--mono); letter-spacing: 0.05em;
  text-decoration: none; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 0.4rem 0.7rem;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.pub .links a:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 620px) {
  .pub { grid-template-columns: 1fr; }
  .pub .year { line-height: 1; margin-bottom: 0.7rem; }
}

/* ---------- timeline / CV --------------------------------------------- */

.entries { list-style: none; margin: 0; padding: 0; }
.entries > li { margin: 0; }

.entry {
  display: grid;
  grid-template-columns: 10.5rem minmax(0, 1fr);
  gap: 0 clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}
.entries > li:last-child .entry { border-bottom: 1px solid var(--line); }

.entry .when {
  font: 400 0.74rem/1.8 var(--mono);
  letter-spacing: 0.04em; color: var(--ink-3);
  text-transform: uppercase;
}
.entry .when b { display: block; color: var(--accent); font-weight: 500; }
.entry h3 { font-size: 1.2rem; font-weight: 420; margin-bottom: 0.25rem; }
.entry .org { font-size: 0.92rem; color: var(--ink-2); margin-bottom: 0.9rem; }
.entry .org span { color: var(--ink-3); }
.entry ul { margin: 0; padding-left: 1.05em; }
.entry li { font-size: 0.93rem; color: var(--ink-2); margin-bottom: 0.5em; }
.entry li:last-child { margin-bottom: 0; }

@media (max-width: 700px) {
  .entry { grid-template-columns: 1fr; }
  .entry .when { margin-bottom: 0.6rem; line-height: 1.5; }
  .entry .when b { display: inline; }
}

/* compact award/cert rows */
.rows { list-style: none; margin: 0; padding: 0; }
.rows > li {
  margin: 0; padding-block: 1.15rem;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 10.5rem minmax(0, 1fr);
  gap: 0 clamp(1rem, 3vw, 2.5rem);
}
.rows > li:last-child { border-bottom: 1px solid var(--line); }
.rows .when { font: 400 0.74rem/1.7 var(--mono); color: var(--ink-3); letter-spacing: 0.04em; text-transform: uppercase; }
.rows h3 { font-size: 1.05rem; font-weight: 420; margin-bottom: 0.2rem; }
.rows p { font-size: 0.9rem; color: var(--ink-2); margin: 0.35rem 0 0; max-width: 62ch; }
.rows .org { font-size: 0.88rem; color: var(--ink-3); }
@media (max-width: 700px) {
  .rows > li { grid-template-columns: 1fr; }
  .rows .when { margin-bottom: 0.45rem; }
}

/* skills */
.skill-block { margin-bottom: 1.75rem; }
.skill-block:last-child { margin-bottom: 0; }
.skill-block h3 {
  font: 500 0.7rem/1 var(--mono); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 0.85rem;
}

/* ---------- figures / gallery ----------------------------------------- */

figure { margin: 0; }
.figure {
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  border-radius: var(--radius);
}
.figure img { width: 100%; }
.figure figcaption {
  padding: 0.85rem 1.1rem;
  font: 400 0.75rem/1.5 var(--mono);
  color: var(--ink-3);
  border-top: 1px solid var(--line);
  letter-spacing: 0.01em;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr));
  gap: clamp(0.75rem, 1.6vw, 1.15rem);
}
.gallery.tight { grid-template-columns: repeat(auto-fill, minmax(min(11rem, 100%), 1fr)); }

.shot {
  position: relative; display: block;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); overflow: hidden;
  cursor: zoom-in; padding: 0; width: 100%;
  text-align: left; font: inherit; color: inherit;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.shot img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform 0.5s var(--ease), filter 0.35s var(--ease);
  filter: saturate(0.92);
}
.shot.portrait img { aspect-ratio: 3 / 4; }
.shot:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.shot:hover img { transform: scale(1.035); filter: saturate(1.05); }
.shot .cap {
  position: absolute; inset: auto 0 0 0;
  padding: 2.2rem 0.9rem 0.75rem;
  background: linear-gradient(to top, rgba(6, 5, 12, 0.92), transparent);
  font: 400 0.71rem/1.4 var(--mono);
  color: rgba(255, 255, 255, 0.86);
  letter-spacing: 0.02em;
}

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none; place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(4, 3, 9, 0.93);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.lightbox[open], .lightbox.is-open { display: grid; }
.lightbox figure { max-width: min(1100px, 100%); max-height: 100%; }
.lightbox img {
  max-width: 100%; max-height: 82vh;
  object-fit: contain; margin-inline: auto;
  border-radius: var(--radius);
}
.lightbox figcaption {
  margin-top: 1rem; text-align: center;
  font: 400 0.8rem/1.6 var(--mono);
  color: rgba(255, 255, 255, 0.72);
}
.lightbox .close {
  position: absolute; top: 1.1rem; right: 1.1rem;
  width: 2.4rem; height: 2.4rem;
  display: grid; place-items: center;
  background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius); cursor: pointer;
}
.lightbox .close:hover { border-color: #fff; }

/* ---------- feature block (image + text) ------------------------------ */

.feature {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.75rem, 5vw, 4rem);
  align-items: center;
}
.feature.reverse > :first-child { order: 2; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature.reverse > :first-child { order: 0; }
}

.frame {
  position: relative; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line);
  background: var(--surface);
}
.frame img { width: 100%; }
.frame::after {
  content: ""; position: absolute; inset: 0;
  box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
:root[data-theme="light"] .frame::after { box-shadow: none; }

/* ---------- contact --------------------------------------------------- */

/* fixed column counts that always divide the four entries evenly —
   auto-fit would leave an orphan cell at some widths */
.contact-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 1040px) { .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px)  { .contact-grid { grid-template-columns: 1fr; } }
.contact-grid a, .contact-grid div {
  background: var(--bg); padding: 1.4rem 1.4rem 1.5rem;
  text-decoration: none; display: block;
  transition: background-color 0.25s var(--ease);
}
.contact-grid a:hover { background: var(--bg-elev); }
.contact-grid dt, .contact-grid .k {
  font: 400 0.68rem/1 var(--mono); letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 0.6rem;
}
.contact-grid dd, .contact-grid .v {
  margin: 0; font-size: 0.95rem; color: var(--ink);
  word-break: break-word;
}
.contact-grid a .v { color: var(--accent); }

.copy-btn {
  margin-top: 0.6rem;
  font: 400 0.68rem/1 var(--mono); letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--ink-3); text-decoration: underline;
  text-underline-offset: 3px;
}
.copy-btn:hover { color: var(--accent); }

/* ---------- footer ---------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3rem 3.5rem;
  background: var(--bg-elev);
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2rem;
  align-items: flex-end; justify-content: space-between;
}
.footer-inner p { margin: 0; }
.footer-name { font-family: var(--serif); font-size: 1.35rem; font-weight: 350; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 0; }
.footer-links a {
  font: 400 0.78rem/1 var(--mono); letter-spacing: 0.05em;
  color: var(--ink-2); text-decoration: none;
  transition: color 0.2s var(--ease);
}
.footer-links a:hover { color: var(--accent); }
.colophon { font: 400 0.72rem/1.7 var(--mono); color: var(--ink-3); letter-spacing: 0.03em; }

/* ---------- page header (non-home pages) ------------------------------ */

.page-head {
  position: relative;
  padding-block: clamp(3.5rem, 9vw, 6rem) clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-head h1 {
  font-size: clamp(2.4rem, 1.6rem + 3.6vw, 4.2rem);
  font-weight: 300; letter-spacing: -0.028em;
  margin-bottom: 1.25rem;
}
.page-head .lede { max-width: var(--measure); }
.page-head::before {
  content: ""; position: absolute; z-index: -1;
  left: 62%; top: -30%; width: 40rem; aspect-ratio: 1;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  filter: blur(40px); opacity: 0.7; pointer-events: none;
}

/* ---------- reveal ---------------------------------------------------- */

/* Scoped to .js so that without JavaScript — or in a print job — every
   section is simply visible rather than stuck at opacity 0. */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

/* ---------- motion & print -------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .hero-glow { animation: none; }
}

@media print {
  :root {
    --bg: #fff; --bg-elev: #fff; --surface: #fff;
    --ink: #000; --ink-2: #333; --ink-3: #555;
    --line: #ccc; --line-strong: #999; --accent: #4b2e83;
  }
  .site-header, .site-footer, .no-print, .hero-glow, .lissajous,
  .wave-rule, .icon-btn, .btn, .page-head::before { display: none !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  body { font-size: 10.5pt; line-height: 1.42; }
  .section { padding-block: 0.9rem; border: 0; }
  .section + .section { border-top: 0; }
  .page-head { padding-block: 0 1rem; border-bottom: 1px solid #999; }
  .page-head h1 { font-size: 22pt; }
  .split { grid-template-columns: 8rem 1fr; gap: 1rem; }
  .split > .rail { position: static; }
  .entry, .rows > li, .pub { break-inside: avoid; padding-block: 0.5rem; }
  .entry li, .rows p, .pub .summary { font-size: 9.5pt; }
  a { text-decoration: none; }
  .print-only { display: block !important; }
}

.print-only { display: none; }