/* ============================================================
   vinothksekar.com — public site
   Dark-first engineering palette, light variant, motion system.
   ============================================================ */

:root {
  --bg:            #0b1016;
  --bg-elev:       #111926;
  --bg-elev-2:     #16202f;
  --line:          #23304399;
  --line-solid:    #233043;
  --text:          #e6edf6;
  --text-dim:      #9fb0c4;
  --text-faint:    #6c7f95;
  --accent:        #3ddc97;
  --accent-2:      #5cc8ff;
  --accent-warm:   #ffb454;
  --accent-soft:   #3ddc971a;
  --danger:        #ff6b6b;
  --shadow:        0 1px 2px #0006, 0 8px 28px -12px #0009;
  --radius:        14px;
  --radius-sm:     9px;
  --maxw:          1160px;
  --font:          "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:          "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease:          cubic-bezier(.22,.61,.36,1);
  --ease-out:      cubic-bezier(.16,1,.3,1);
}

:root[data-theme="light"] {
  --bg:            #f7f9fc;
  --bg-elev:       #ffffff;
  --bg-elev-2:     #eef3f9;
  --line:          #d3dde9;
  --line-solid:    #d3dde9;
  --text:          #0f1b2a;
  --text-dim:      #4d5f74;
  --text-faint:    #7b8ca1;
  --accent:        #0a9b63;
  --accent-2:      #0b72b9;
  --accent-warm:   #b56a00;
  --accent-soft:   #0a9b6314;
  --danger:        #c0392b;
  --shadow:        0 1px 2px #0f1b2a0d, 0 10px 30px -14px #0f1b2a26;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(760px 420px at 12% -6%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 70%),
    radial-gradient(680px 420px at 92% 4%, color-mix(in srgb, var(--accent-2) 11%, transparent), transparent 70%);
}

img, svg, canvas, iframe { max-width: 100%; display: block; }
img { height: auto; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; position: relative; z-index: 1; }
.wrap-fluid { width: 100%; padding-inline: 0; position: relative; z-index: 1; }
.muted { color: var(--text-faint); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #04120c;
  padding: 10px 16px; border-radius: 0 0 8px 0; font-weight: 650; z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------------- Scroll progress ---------------- */

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 120;
  transition: width .08s linear;
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--line); }

.nav { display: flex; align-items: center; gap: 18px; height: 68px; }

.brand { display: flex; align-items: center; gap: 11px; color: var(--text); font-weight: 680; letter-spacing: -.015em; margin-right: auto; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #04120c; font-family: var(--mono); font-weight: 700; font-size: 13px;
  letter-spacing: -.04em; box-shadow: var(--shadow);
  transition: transform .4s var(--ease-out);
}
.brand:hover .mark { transform: rotate(-8deg) scale(1.06); }
.brand .brand-text { font-size: 15.5px; line-height: 1.25; }
.brand .brand-text span { color: var(--text-faint); font-weight: 500; font-size: 12.5px; }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 7px 11px; border-radius: 8px;
  color: var(--text-dim); font-size: 14px; font-weight: 520;
  transition: color .18s, background .18s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--bg-elev-2); text-decoration: none; }
.nav-links a.is-active { color: var(--accent); background: var(--accent-soft); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-elev); color: var(--text-dim); cursor: pointer;
  transition: color .18s, border-color .18s, transform .18s var(--ease);
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.icon-btn svg { width: 17px; height: 17px; }
:root[data-theme="light"] .icon-sun { display: none; }
:root:not([data-theme="light"]) .icon-moon { display: none; }

.nav-toggle { display: none; }

@media (max-width: 1040px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: fixed; inset: 68px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--bg-elev); border-bottom: 1px solid var(--line);
    padding: 12px 18px 20px; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { padding: 11px 12px; font-size: 16px; }
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 19px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, border-color .18s, color .18s;
  white-space: nowrap; position: relative; overflow: hidden;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

.btn-primary {
  background: linear-gradient(140deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--accent-2)));
  color: #04120c; box-shadow: 0 6px 20px -10px var(--accent);
}
.btn-primary:hover { box-shadow: 0 14px 28px -10px var(--accent); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, #ffffff55 50%, transparent 70%);
  transform: translateX(-120%);
}
.btn-primary:hover::after { animation: sheen .75s var(--ease-out); }
@keyframes sheen { to { transform: translateX(120%); } }

.btn-ghost { background: var(--bg-elev); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------------- Hero ---------------- */

.hero { padding: 76px 0 64px; position: relative; }

.hero-field {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; opacity: .5; pointer-events: none;
}

.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  gap: 56px; align-items: center;
}
.hero-copy { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 13px 6px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  font-size: 13px; font-weight: 550; color: var(--text-dim); letter-spacing: .01em;
  backdrop-filter: blur(8px);
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  animation: pulse 2.4s infinite; flex: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 65%, transparent); }
  70%  { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero h1 {
  margin: 20px 0 6px;
  font-size: clamp(2.35rem, 6.2vw, 3.7rem);
  line-height: 1.04; letter-spacing: -.037em; font-weight: 780;
}
.hero .role {
  margin: 0 0 18px; font-size: clamp(1.02rem, 2.3vw, 1.2rem);
  font-weight: 620; color: var(--accent); letter-spacing: -.012em;
}
.hero .lede { margin: 0 0 14px; font-size: 1.14rem; color: var(--text); max-width: 60ch; }
.hero .lede strong { color: var(--accent-2); font-weight: 640; }
.hero .sub { margin: 0 0 30px; color: var(--text-dim); max-width: 63ch; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.hero-meta { margin-top: 26px; display: flex; flex-direction: column; gap: 9px; font-size: 14px; color: var(--text-faint); }
.hero-meta span { display: inline-flex; align-items: center; gap: 9px; }
.hero-meta svg { width: 15px; height: 15px; flex: none; color: var(--accent); opacity: .8; }

/* Hero stack panel */
.hero-visual {
  position: relative; z-index: 2; padding: 26px;
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(165deg, color-mix(in srgb, var(--bg-elev) 92%, transparent), var(--bg-elev-2));
  box-shadow: var(--shadow); backdrop-filter: blur(6px);
}
.hero-visual::after {
  content: ""; position: absolute; inset: -1px; border-radius: 18px; padding: 1px;
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 45%, transparent), transparent 42%, color-mix(in srgb, var(--accent-2) 35%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.stack-title { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin: 0 0 16px; }
.stack-layer {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  transition: transform .25s var(--ease-out), border-color .25s, background .25s;
  opacity: 0; animation: layerIn .6s var(--ease-out) forwards;
  animation-delay: calc(.35s + var(--i) * .09s);
}
@keyframes layerIn { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }
.stack-layer:hover { transform: translateX(5px); border-color: var(--accent); background: var(--bg); }
.stack-layer .dot { width: 9px; height: 9px; border-radius: 3px; flex: none; background: var(--accent); }
.stack-layer .dot.b { background: var(--accent-2); }
.stack-layer .dot.c { background: var(--accent-warm); }
.stack-layer .name { font-weight: 600; font-size: 14.5px; }
.stack-layer .tech { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--text-faint); text-align: right; }
.stack-arrow { text-align: center; color: var(--text-faint); font-size: 10px; line-height: 1; margin: 5px 0; opacity: .55; }

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 48px 0 44px; }
}

/* ---------------- Stat strip ---------------- */

.stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line-solid); border: 1px solid var(--line-solid);
  border-radius: var(--radius); overflow: hidden;
}
.stat { background: var(--bg-elev); padding: 20px 18px; transition: background .25s; }
.stat:hover { background: var(--bg-elev-2); }
.stat b {
  display: block; font-size: clamp(1.4rem, 3.4vw, 1.9rem); font-weight: 740;
  letter-spacing: -.03em; color: var(--accent); line-height: 1.12;
  font-variant-numeric: tabular-nums;
}
.stat span { font-size: 13px; color: var(--text-dim); }

@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 430px) { .stats { grid-template-columns: 1fr; } }

/* ---------------- Sections ---------------- */

.section { padding: 78px 0; position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section.full-bleed { padding-inline: 0; }

.section-head { margin-bottom: 40px; max-width: 72ch; }
.section-num {
  font-family: var(--mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 10px;
}
.section-head h2 {
  margin: 0 0 12px; font-size: clamp(1.65rem, 4vw, 2.25rem);
  letter-spacing: -.032em; font-weight: 740; line-height: 1.15;
}
.section-head p { margin: 0; color: var(--text-dim); font-size: 1.03rem; }
.sub-head {
  margin: 48px 0 0; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-faint); font-weight: 620;
}

/* ---------------- About / richtext ---------------- */

.about-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; }
.about-copy p { margin: 0 0 18px; color: var(--text-dim); }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { color: var(--text); font-weight: 630; }

.aside-card {
  padding: 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev); box-shadow: var(--shadow); align-self: start;
  position: sticky; top: 96px;
}
.aside-card h3 { margin: 0 0 16px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); font-weight: 620; }
dl.facts { margin: 0; }
.fact-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.fact-row:last-child { border-bottom: 0; padding-bottom: 0; }
.fact-row dt { color: var(--text-faint); flex: none; }
.fact-row dd { margin: 0; text-align: right; color: var(--text); font-weight: 545; }

@media (max-width: 920px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .aside-card { position: static; }
}

/* ---------------- Cards ---------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(292px, 1fr)); gap: 18px; }
.card {
  padding: 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev); position: relative; overflow: hidden;
  transition: transform .3s var(--ease-out), border-color .3s, box-shadow .3s var(--ease-out);
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%);
  transition: opacity .3s; pointer-events: none;
}
.card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line-solid)); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card .ico {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 16px;
  transition: transform .35s var(--ease-out);
}
.card:hover .ico { transform: scale(1.1) rotate(-6deg); }
.card .ico svg { width: 20px; height: 20px; }
.card h3 { margin: 0 0 9px; font-size: 1.06rem; font-weight: 660; letter-spacing: -.016em; }
.card p { margin: 0 0 14px; color: var(--text-dim); font-size: 14.8px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--mono); font-size: 11.5px; padding: 4px 9px; border-radius: 6px;
  background: var(--bg-elev-2); border: 1px solid var(--line); color: var(--text-dim);
  white-space: nowrap; transition: color .2s, border-color .2s, transform .2s;
}
.chip:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

/* ---------------- Work ---------------- */

.work-list { display: grid; gap: 18px; }
.work {
  display: grid; grid-template-columns: 208px minmax(0, 1fr); gap: 32px;
  padding: 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev);
  transition: border-color .3s, transform .3s var(--ease-out), box-shadow .3s;
}
.work:hover { border-color: color-mix(in srgb, var(--accent-2) 50%, var(--line-solid)); transform: translateY(-3px); box-shadow: var(--shadow); }

.work-side .tag {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 30%, transparent);
  padding: 4px 9px; border-radius: 6px; margin-bottom: 12px;
}
.work-side .org { font-size: 14px; font-weight: 620; color: var(--text); }
.work-side .yr { font-family: var(--mono); font-size: 12.5px; color: var(--text-faint); }

.work-body h3 { margin: 0 0 12px; font-size: 1.22rem; letter-spacing: -.022em; font-weight: 670; }
.work-body .desc { margin: 0 0 16px; color: var(--text-dim); font-size: 15px; }

.work-points { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 9px; }
.work-points li { position: relative; padding-left: 22px; font-size: 14.8px; color: var(--text-dim); }
.work-points li::before {
  content: ""; position: absolute; left: 4px; top: .62em;
  width: 6px; height: 6px; border-radius: 2px; background: var(--accent);
}
.work-points li b { color: var(--text); font-weight: 630; }

.outcome {
  display: flex; gap: 11px; align-items: flex-start;
  padding: 13px 15px; border-radius: var(--radius-sm);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  font-size: 14.5px; margin-bottom: 16px;
}
.outcome svg { width: 17px; height: 17px; color: var(--accent); flex: none; margin-top: 3px; }
.outcome b { color: var(--text); }

@media (max-width: 820px) {
  .work { grid-template-columns: 1fr; gap: 18px; padding: 22px; }
  .work-side { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
  .work-side .tag { margin-bottom: 0; }
}

/* ---------------- Timeline ---------------- */

.timeline { position: relative; display: grid; gap: 6px; }
.tl-rail { position: absolute; left: 7px; top: 12px; bottom: 12px; width: 2px; background: var(--line-solid); border-radius: 2px; }
.tl-rail i {
  display: block; width: 100%; height: 0; border-radius: 2px;
  background: linear-gradient(var(--accent), var(--accent-2));
  transition: height 1.2s var(--ease-out);
}
.tl-item { position: relative; padding: 0 0 30px 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg); transition: transform .3s var(--ease-out);
}
.tl-item:hover::before { transform: scale(1.22); }
.tl-item.past::before { border-color: var(--line-solid); }

.tl-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: 4px; }
.tl-head h3 { margin: 0; font-size: 1.1rem; font-weight: 670; letter-spacing: -.02em; }
.tl-head .when { font-family: var(--mono); font-size: 12.5px; color: var(--text-faint); margin-left: auto; white-space: nowrap; }
.tl-org { color: var(--accent-2); font-weight: 585; font-size: 15px; }
.tl-org .sector { color: var(--text-faint); font-weight: 450; }
.tl-item > p { margin: 8px 0 12px; color: var(--text-dim); font-size: 14.8px; }

@media (max-width: 640px) { .tl-head .when { margin-left: 0; width: 100%; } }

/* ---------------- Onsite ---------------- */

.onsite { display: grid; grid-template-columns: repeat(auto-fit, minmax(262px, 1fr)); gap: 16px; margin-top: 22px; }
.onsite-card {
  padding: 20px 22px; border: 1px solid var(--line); border-left: 3px solid var(--accent-warm);
  border-radius: var(--radius-sm); background: var(--bg-elev);
  transition: transform .3s var(--ease-out), border-color .3s;
}
.onsite-card:hover { transform: translateY(-3px); }
.onsite-card .flag { font-size: 20px; line-height: 1; margin-bottom: 8px; }
.onsite-card h4 { margin: 0 0 3px; font-size: 1rem; font-weight: 645; }
.onsite-card .loc { font-family: var(--mono); font-size: 12px; color: var(--text-faint); display: block; margin-bottom: 9px; }
.onsite-card p { margin: 0; font-size: 14.3px; color: var(--text-dim); }

/* ---------------- Skills ---------------- */

.skill-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px 44px; }
.skill-group h3 {
  margin: 0 0 18px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-faint); font-weight: 620; padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.skill { margin-bottom: 15px; }
.skill-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; font-size: 14.5px; }
.skill-row .nm { font-weight: 585; }
.skill-row .yrs { margin-left: auto; font-family: var(--mono); font-size: 11.5px; color: var(--text-faint); white-space: nowrap; }
.bar { height: 5px; border-radius: 3px; background: var(--bg-elev-2); border: 1px solid var(--line); overflow: hidden; }
.bar i {
  display: block; height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1.1s var(--ease-out);
}

.toolbelt { margin-top: 40px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.toolbelt h3 { margin: 0 0 14px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); font-weight: 620; }

/* ---------------- Education ---------------- */

.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.edu {
  padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev);
  transition: transform .3s var(--ease-out), border-color .3s;
}
.edu:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line-solid)); }
.edu .degree { font-weight: 670; font-size: 1.05rem; margin-bottom: 4px; letter-spacing: -.015em; }
.edu .spec { color: var(--accent); font-size: 14.5px; font-weight: 570; margin-bottom: 10px; }
.edu .inst { color: var(--text-dim); font-size: 14.5px; }
.edu .yr { font-family: var(--mono); font-size: 12.5px; color: var(--text-faint); margin-top: 8px; }

/* ---------------- Gallery / H5P / embed ---------------- */

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.gallery figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-elev); }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .5s var(--ease-out); }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption { padding: 10px 14px; font-size: 13.5px; color: var(--text-dim); }

.h5p-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); overflow: hidden; }
.h5p-wrap iframe { width: 100%; border: 0; }
.h5p-container { width: 100%; }
.h5p-container .h5p-iframe-wrapper { background: transparent; }

.embed-block { position: relative; }

/* ---------------- Contact ---------------- */

.contact-card {
  padding: clamp(28px, 5vw, 46px); border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(160deg, var(--bg-elev), var(--bg-elev-2)); box-shadow: var(--shadow);
}
.contact-card h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 4vw, 2.15rem); letter-spacing: -.03em; font-weight: 740; }
.contact-intro { margin: 0 0 30px; color: var(--text-dim); max-width: 64ch; }

.contact-split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 36px; }
@media (max-width: 880px) { .contact-split { grid-template-columns: 1fr; gap: 28px; } }

.contact-form { display: grid; gap: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

.field { display: grid; gap: 6px; }
.field > span { font-size: 13px; font-weight: 600; color: var(--text-dim); letter-spacing: .01em; }
.field input, .field textarea {
  width: 100%; padding: 11px 13px; font: inherit; font-size: 15px;
  color: var(--text); background: var(--bg); border: 1px solid var(--line-solid);
  border-radius: var(--radius-sm); transition: border-color .2s, box-shadow .2s, background .2s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); opacity: .75; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--danger); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { margin: 4px 0 0; font-size: 14px; min-height: 1.4em; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: var(--danger); }

.contact-direct { display: grid; gap: 9px; align-content: start; }
.contact-direct h3 { margin: 0 0 6px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); font-weight: 620; }
.direct-row {
  display: flex; align-items: center; gap: 13px; width: 100%; text-align: left;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text); font: inherit; cursor: pointer;
  transition: border-color .2s, transform .2s var(--ease-out), background .2s;
}
a.direct-row:hover, button.direct-row:hover { text-decoration: none; border-color: var(--accent); transform: translateX(3px); background: var(--bg-elev); }
.direct-row.static { cursor: default; }
.direct-row .ic { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border-radius: 9px; background: var(--accent-soft); color: var(--accent); }
.direct-row .ic svg { width: 17px; height: 17px; }
.direct-row > span:last-child { display: grid; min-width: 0; }
.direct-row b { font-size: 14.5px; font-weight: 620; }
.direct-row em { font-style: normal; font-size: 13px; color: var(--text-faint); overflow: hidden; text-overflow: ellipsis; }

/* ---------------- Footer ---------------- */

.site-footer { border-top: 1px solid var(--line); padding: 30px 0 40px; color: var(--text-faint); font-size: 13.5px; }
.footer-row { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; justify-content: space-between; }
.to-top { display: inline-flex; align-items: center; gap: 7px; color: var(--text-faint); }
.to-top:hover { color: var(--accent); text-decoration: none; }

/* ---------------- Motion ---------------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

.cards .card.reveal { transition-delay: calc(var(--i, 0) * 60ms); }

.fade-up { opacity: 0; transform: translateY(20px); animation: fadeUp .8s var(--ease-out) forwards; }
.fade-in { opacity: 0; animation: fadeIn 1s var(--ease-out) forwards; }
.d1 { animation-delay: .08s; } .d2 { animation-delay: .16s; } .d3 { animation-delay: .24s; }
.d4 { animation-delay: .32s; } .d5 { animation-delay: .40s; } .d6 { animation-delay: .48s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
@keyframes fadeIn { to { opacity: 1; } }

.split-in span.w {
  display: inline-block; opacity: 0; transform: translateY(14px);
  animation: fadeUp .6s var(--ease-out) forwards;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal, .fade-up, .fade-in, .stack-layer, .split-in span.w { opacity: 1 !important; transform: none !important; }
  .hero-field { display: none; }
  .scroll-progress { display: none; }
}

@media print {
  .site-header, .hero-cta, .contact-form, .site-footer, .nav-actions, .scroll-progress, .hero-field { display: none !important; }
  body::before { display: none; }
  .section { padding: 18px 0; border: 0; }
  .card, .work, .edu, .aside-card { break-inside: avoid; }
  .reveal, .fade-up, .fade-in { opacity: 1 !important; transform: none !important; }
}