/* ============================================================
   Aljaž Golob · personal site (final)
   Plain CSS, no build step. Two themes via [data-theme].
   ============================================================ */

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

:root {
  --paper:   #f6f4ef;
  --paper-2: #efece4;
  --ink:     #1c1a16;
  --ink-2:   #514e47;
  --ink-3:   #75716a;
  --line:    #dcd7ca;
  --line-2:  #cbc5b4;
  --copper:  #a34b17;
  --copper-2:#8f3f10;
  --green:   #2f7d47;
  --grid-strong: rgba(28, 26, 22, 0.10);
  --grid-faint:  rgba(28, 26, 22, 0.045);
  --shadow:  0 10px 30px rgba(28, 26, 22, 0.07);
  --inv-bg:  #1c1a16;
  --inv-fg:  #f0ede5;
  --inv-muted: #a59f92;
  --inv-line:  #3a362f;
  --inv-accent:#d8814a;
  --sans: "IBM Plex Sans", system-ui, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

:root[data-theme="dark"] {
  --paper:   #141210;
  --paper-2: #1c1a17;
  --ink:     #ebe6db;
  --ink-2:   #b3ada0;
  --ink-3:   #8a8478;
  --line:    #2e2b26;
  --line-2:  #3b372f;
  --copper:  #d8814a;
  --copper-2:#e2925e;
  --green:   #5cb379;
  --grid-strong: rgba(235, 230, 219, 0.09);
  --grid-faint:  rgba(235, 230, 219, 0.04);
  --shadow:  0 10px 30px rgba(0, 0, 0, 0.35);
  /* in dark mode the contact band stays dark: an elevated panel, not a floodlight */
  --inv-bg:  #1a1815;
  --inv-fg:  #ebe6db;
  --inv-muted: #8a8478;
  --inv-line:  #35312a;
  --inv-accent:#d8814a;
}

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, dl, dd, figure { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg { display: block; }
img { max-width: 100%; }

::selection { background: var(--copper); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- utilities ---------- */

.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

/* full-page drafting grid, off by default (footer toggle) */
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
  background-image:
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 48px 48px;
}
body.show-grid .grid-overlay { opacity: 1; }

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

.site-head {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-head.scrolled { box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(28, 26, 22, 0.06); }
:root[data-theme="dark"] .site-head.scrolled { box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(0, 0, 0, 0.4); }

.head-row {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.brand-mark { width: 30px; height: 30px; color: var(--copper); }
.brand-name { font-size: 1.02rem; }

.site-nav ul {
  display: flex;
  gap: clamp(14px, 2.2vw, 28px);
}
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 2px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav-num {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  transform: translateY(-1px);
  transition: color 0.15s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--copper);
  transition: right 0.18s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { right: 0; }
.site-nav a.active { color: var(--ink); }
.site-nav a.active .nav-num { color: var(--copper); }
.site-nav a.active::after { right: 0; }

.head-actions { display: flex; gap: 8px; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--paper);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.icon-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.icon-btn svg { width: 18px; height: 18px; }

:root[data-theme="light"] .ico-moon { display: none; }
:root[data-theme="dark"] .ico-sun { display: none; }
.menu-btn { display: none; }
.menu-btn .ico-close { display: none; }
.nav-open .menu-btn .ico-burger { display: none; }
.nav-open .menu-btn .ico-close { display: block; }

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

.hero {
  position: relative;
  padding: clamp(64px, 10vh, 116px) 0 0;
  background-image:
    linear-gradient(var(--grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  padding-bottom: clamp(56px, 9vh, 100px);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--copper);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(47, 125, 71, 0.45);
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(47, 125, 71, 0.4); }
  70%  { box-shadow: 0 0 0 9px rgba(47, 125, 71, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 125, 71, 0); }
}

.hero h1 {
  font-size: clamp(3.4rem, 8vw, 6.4rem);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero-lede {
  margin-top: 24px;
  max-width: 46ch;
  font-size: clamp(1.16rem, 2vw, 1.45rem);
  line-height: 1.45;
  color: var(--ink-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

/* buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--copper-2); border-color: var(--copper-2); color: #fff; }
:root[data-theme="dark"] .btn.primary:hover { color: #141210; }
.btn.square { width: 46px; padding: 0; }
.btn.square svg { width: 17px; height: 17px; }
.btn svg { width: 16px; height: 16px; flex: none; }

.chip-btn {
  padding: 5px 12px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  background: transparent;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.chip-btn:hover { border-color: var(--copper); color: var(--copper); }
.chip-btn[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* oscilloscope figure */

.scope {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.scope-top,
.scope-read {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
}
.scope-top { border-bottom: 1px solid var(--line); }
.scope-read { border-top: 1px solid var(--line); flex-wrap: wrap; row-gap: 4px; }
/* physical units must keep their case: µs, ms, Hz, Δt */
.scope-read { text-transform: none; letter-spacing: 0.06em; }

.trigd { display: inline-flex; align-items: center; gap: 7px; color: var(--green); }
.trig-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

.scope-screen {
  position: relative;
  background-image:
    linear-gradient(var(--grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px),
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 10px 10px, 10px 10px, 50px 50px, 50px 50px;
}
.scope-screen svg { width: 100%; height: auto; aspect-ratio: 560 / 300; }

.trace {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.trace-1 { stroke: var(--copper); stroke-width: 2.4; }
.trace-2 { stroke: var(--ink-3); stroke-width: 1.5; opacity: 0.55; }

.cursors line {
  stroke: var(--ink-3);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}
.cursors text,
.ch-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  fill: var(--ink-3);
}
.ch-tag.ch1 { fill: var(--copper); }

.cursors, .ch-tag { opacity: 0; transition: opacity 0.5s ease 1.1s; }
.scope.ready .cursors, .scope.ready .ch-tag { opacity: 1; }

/* ruler strip under hero */
.ruler {
  height: 14px;
  border-top: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(90deg,
      var(--line-2) 0, var(--line-2) 1px, transparent 1px, transparent 12px),
    repeating-linear-gradient(90deg,
      var(--ink-3) 0, var(--ink-3) 1px, transparent 1px, transparent 96px);
  background-size: auto 6px, auto 11px;
  background-repeat: repeat-x;
  opacity: 0.7;
}

/* ---------- proof bar ---------- */

.proof {
  border-block: 1px solid var(--line);
  background: var(--paper);
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.proof-grid > div {
  display: grid;
  align-content: center;
  min-height: 112px;
  padding: 20px 26px;
  border-left: 1px solid var(--line);
}
.proof-grid > div:first-child { border-left: 0; }
.proof-label { color: var(--copper); font-size: 0.62rem; }
.proof-grid strong {
  display: block;
  margin: 5px 0 2px;
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.proof-grid > div > span:last-child { color: var(--ink-3); font-size: 0.88rem; }

/* ---------- section shell ---------- */

.section {
  padding: clamp(72px, 11vh, 120px) 0;
  border-top: 1px solid var(--line);
}
.proof + .section { border-top: 0; }

.sec-head { margin-bottom: clamp(36px, 5vh, 56px); }

.sec-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-3);
}
.sec-index { color: var(--copper); }
.sec-rule { flex: 1; height: 1px; background: var(--line); }

.sec-head h2,
.contact h2 {
  margin-top: 20px;
  font-size: clamp(2.3rem, 5vw, 3.9rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.sec-sub {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--ink-2);
  font-size: 1.02rem;
}

/* ---------- work ---------- */

.proj-list { border-top: 1px solid var(--line-2); }

.proj {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 230px;
  gap: clamp(24px, 3vw, 40px);
  padding: clamp(36px, 5vh, 52px) 0;
  border-bottom: 1px solid var(--line);
}

.proj-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-top: 8px;
}
.part-no { color: var(--copper); font-size: 0.8rem; }
.pill {
  padding: 4px 10px;
  border: 1px solid currentColor;
  font-size: 0.62rem;
}
.pill-copper { color: var(--copper); }
.pill-green { color: var(--green); }

.proj-body h3 {
  font-size: clamp(2.3rem, 4.4vw, 3.4rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.02;
}
.proj-lede {
  margin-top: 14px;
  font-size: 1.24rem;
  font-weight: 500;
  color: var(--ink);
  max-width: 36ch;
}
.proj-desc {
  margin-top: 10px;
  color: var(--ink-2);
  max-width: 58ch;
}

.proj-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 26px;
  padding-top: 10px;
}
.proj-tags { font-size: 0.68rem; line-height: 1.9; }
.proj-note {
  font-size: 0.66rem;
  line-height: 1.7;
  color: var(--copper);
  max-width: 20ch;
}

/* screenshot strip for an image-led project: spans the whole project row */
.shot-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.shot {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  overflow: hidden;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--line);
  transition: transform 0.5s ease;
}
.shot:hover img { transform: scale(1.02); }
.shot figcaption {
  padding: 9px 11px;
  font-size: 0.6rem;
  line-height: 1.5;
}

/* ---------- bench ---------- */

.media-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
  gap: 20px;
  align-items: start;
}

.media-item {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.media-item:hover {
  transform: translateY(-2px);
  border-color: var(--ink-3);
  box-shadow: var(--shadow);
}

.media-frame { overflow: hidden; }
.media-wide { aspect-ratio: 16 / 10; }
.media-tall { aspect-ratio: 3 / 4; }
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.media-item:hover .media-frame img { transform: scale(1.02); }
.media-tall img { object-position: center 40%; }

.media-item figcaption {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  min-height: 92px;
  align-content: center;
}
.media-item figcaption .mono { color: var(--copper); font-size: 0.62rem; }
.media-item figcaption strong { font-size: 0.98rem; font-weight: 600; }
.media-item figcaption > span:last-child { color: var(--ink-3); font-size: 0.82rem; }

/* ---------- experience ---------- */

/* experience: sticky statement left, rail right */
.xp-split {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.xp-split .sec-head {
  position: sticky;
  top: 104px;
  margin-bottom: 0;
}

.xp-rail { position: relative; }
.xp-rail::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 1px;
  background: var(--line-2);
}

.xp {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  padding-bottom: clamp(36px, 5vh, 52px);
}
.xp:last-child { padding-bottom: 0; }

.xp-marker { position: relative; }
.xp-marker::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--copper);
  background: var(--paper);
}
.tp { position: absolute; top: 28px; left: -2px; color: var(--copper); font-size: 0.62rem; }

.xp-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
}
.xp-body h3 { font-size: 1.22rem; font-weight: 600; letter-spacing: -0.01em; }
.xp-time { white-space: nowrap; }
.xp-org { margin-top: 5px; color: var(--ink-2); font-size: 0.95rem; }
.xp-note { margin-top: 12px; color: var(--ink-2); max-width: 66ch; }
.xp-tags { margin-top: 14px; font-size: 0.68rem; }

/* ---------- capabilities ---------- */

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.skill-group {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  padding: 22px 24px;
}
.card-label { display: block; color: var(--copper); }
.skill-group h3 {
  margin: 6px 0 12px;
  font-size: 1.14rem;
  font-weight: 600;
}
.skill-list li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.95rem;
}
.skill-list li:first-child { border-top: 0; }

/* capabilities as an inverse band: ink in light mode, elevated panel in dark */
.section.inverse {
  background: var(--inv-bg);
  color: var(--inv-fg);
}
.section.inverse .sec-kicker { color: var(--inv-muted); }
.section.inverse .sec-index { color: var(--inv-accent); }
.section.inverse .sec-rule { background: var(--inv-line); }
.section.inverse .sec-sub { color: var(--inv-muted); }
.section.inverse .skill-group {
  background: transparent;
  border-color: var(--inv-line);
}
.section.inverse .card-label { color: var(--inv-accent); }
.section.inverse .skill-list li {
  border-top-color: var(--inv-line);
  color: var(--inv-muted);
}
.section.inverse .skill-list li:first-child { border-top: 0; }

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.about-prose p { color: var(--ink-2); font-size: 1.05rem; }
.about-prose p + p { margin-top: 1.1em; }

/* printed photo: fixed paper backing in both themes, ink duotone */
.photo-print {
  justify-self: end;
  max-width: 320px;
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  box-shadow: var(--shadow);
}
.photo-print img {
  display: block;
  width: 100%;
  height: auto;
}
.photo-print figcaption {
  padding: 10px 12px;
  text-align: right;
  border-top: 1px solid var(--line);
}

.edu-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.edu {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  padding: 22px 24px;
}
.edu-wide { grid-column: 1 / -1; }
.edu-time { display: block; color: var(--copper); margin-bottom: 14px; }
.edu h3 { font-size: 1.06rem; font-weight: 600; }
.edu p { margin-top: 6px; color: var(--ink-2); font-size: 0.93rem; }
.edu a {
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.edu a:hover { color: var(--copper); border-color: var(--copper); }

/* ---------- contact (inverse band) ---------- */

.contact {
  background: var(--inv-bg);
  color: var(--inv-fg);
  border-top: 1px solid var(--line);
}
.contact .sec-kicker { color: var(--inv-muted); }
.contact .sec-index { color: var(--inv-accent); }
.contact .sec-rule { background: var(--inv-line); }
.contact h2 { color: var(--inv-fg); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}

.contact-action > p {
  color: var(--inv-muted);
  max-width: 44ch;
  margin-bottom: 26px;
}

.email-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
  border-top: 1px solid var(--inv-line);
  border-bottom: 1px solid var(--inv-line);
  color: var(--inv-fg);
  font-size: clamp(1.7rem, 3.5vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: color 0.15s ease;
}
.email-link span { min-width: 0; overflow-wrap: anywhere; }
.email-link svg { flex: none; width: 26px; height: 26px; }
.email-link:hover { color: var(--inv-accent); }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}
.contact-links a,
.copy-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border: 1px solid var(--inv-line);
  color: var(--inv-fg);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.contact-links a:hover,
.copy-btn:hover { color: var(--inv-accent); border-color: var(--inv-accent); }

.contact-status {
  min-height: 1.4em;
  margin-top: 14px;
  color: var(--inv-accent);
  font-size: 0.68rem;
}

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

.site-foot {
  border-top: 1px solid var(--line);
  padding: 40px 0 32px;
  background: var(--paper);
}

.title-block {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) repeat(4, minmax(0, 1fr)) auto;
  border: 1px solid var(--line-2);
  background: var(--paper-2);
}
.tb-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border-left: 1px solid var(--line);
}
.tb-cell:first-child { border-left: 0; }
.tb-label { font-size: 0.58rem; color: var(--copper); }
.tb-btn-cell { justify-content: center; }

.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  color: var(--ink-2);
  font-size: 0.92rem;
}
.top-link { text-decoration: none; }
.top-link:hover { color: var(--copper); }

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

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .scope { max-width: 620px; }
  .xp-split { grid-template-columns: 1fr; }
  .xp-split .sec-head {
    position: static;
    margin-bottom: clamp(28px, 4vh, 40px);
  }
  .proj { grid-template-columns: 96px minmax(0, 1fr); }
  .shot-grid { gap: 10px; }
  .proj-side {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    padding-top: 0;
  }
  .skill-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-grid { grid-template-columns: 1fr; }
  .photo-print { justify-self: start; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .title-block { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tb-cell { border-top: 1px solid var(--line); }
  .tb-cell:nth-child(-n+3) { border-top: 0; }
  .tb-cell:nth-child(4) { border-left: 0; }
  .tb-cell:first-child { grid-column: 1 / -1; }
  .tb-cell:nth-child(2) { border-left: 0; }
}

@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-open .site-nav { display: block; }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px clamp(20px, 4vw, 40px) 16px;
  }
  .site-nav a {
    display: flex;
    padding: 13px 2px;
    font-size: 1.02rem;
    border-bottom: 1px solid var(--line);
    width: 100%;
  }
  .site-nav li:last-child a { border-bottom: 0; }
  .site-nav a::after { content: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding-top: 48px; }
  .hero-actions .btn:not(.square) { flex: 1 1 auto; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div {
    min-height: 0;
    padding: 16px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .proof-grid > div:first-child { border-top: 0; }
  .proj { grid-template-columns: 1fr; gap: 16px; }
  .shot-grid { grid-template-columns: 1fr; gap: 12px; }
  .proj-note { max-width: none; }
  .proj-meta { flex-direction: row; align-items: center; padding-top: 0; }
  .proj-side { grid-column: 1; flex-direction: column; align-items: flex-start; gap: 18px; }
  .media-grid { grid-template-columns: 1fr; }
  .media-tall { aspect-ratio: 4 / 3; }
  .media-item figcaption { min-height: 0; }
  .skill-grid { grid-template-columns: 1fr; }
  .edu-list { grid-template-columns: 1fr; }
  .photo-print { max-width: 260px; }
  .scope-read { justify-content: flex-start; gap: 14px; }
}

/* ---------- 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;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-head, .site-foot, .hero-actions, .grid-overlay, .ruler,
  .scope, .contact-links, .copy-btn { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .section { padding: 24pt 0 0; border: 0; }
  .contact { background: #fff; color: #000; }
  .contact h2, .email-link { color: #000; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
}