/* ============================================================
   Vlad Bubenko — Portfolio
   Design Engineer & MarTech Lead
   ============================================================ */

:root {
  --bg: #080808;
  --bg-raised: #0d0d0d;
  --text: #f0f0f0;
  --accent: #5b4eff;
  --accent-soft: rgba(91, 78, 255, 0.14);
  --accent-line: rgba(91, 78, 255, 0.32);
  --label: #404040;
  --dim: #1a1a1a;
  --dim-2: #262626;
  --muted: #888;
  --pad: clamp(24px, 5vw, 80px);
  --cx: -500px;
  --cy: -500px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Cursor glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: radial-gradient(
    500px circle at var(--cx) var(--cy),
    rgba(91, 78, 255, 0.05) 0%,
    transparent 65%
  );
}

/* Film grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (hover: none) {
  body::before { display: none; }
}

/* Cursor dot */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate(calc(var(--cx) - 50%), calc(var(--cy) - 50%)) scale(1);
  transition: transform 0.15s ease-out, opacity 0.2s;
  opacity: 0.9;
}

.cursor-dot.is-hovering {
  transform: translate(calc(var(--cx) - 50%), calc(var(--cy) - 50%)) scale(2.6);
  opacity: 0.5;
}

@media (hover: none), (pointer: coarse) {
  .cursor-dot { display: none; }
}

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

/* Focus states */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  transform: translateY(-160%);
  background: var(--accent);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 18px;
  transition: transform 0.25s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ─── SCROLL PROGRESS ──────────────────────────────────────── */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 150;
  background: linear-gradient(90deg, var(--accent), #8b7fff);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ─── NAV ──────────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 28px var(--pad);
  padding-left: max(var(--pad), env(safe-area-inset-left));
  padding-right: max(var(--pad), env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.35s var(--ease);
}

nav::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8, 8, 8, 0.92) 0%, transparent 100%);
  z-index: -2;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

/* Scrolled bar lives on a pseudo-element, not on <nav> itself: an element
   with a backdrop-filter becomes the containing block for its fixed-position
   descendants, which would trap the mobile menu overlay inside the nav bar. */
nav::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(8, 8, 8, 0.72);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
          backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--dim);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

nav.is-scrolled {
  padding-top: 16px;
  padding-bottom: 16px;
}

nav.is-scrolled::before { opacity: 1; }
nav.is-scrolled::after { opacity: 0; }

.nav-monogram {
  font-family: 'Clash Display', 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-variant: small-caps;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--accent);
  transition: right 0.3s var(--ease);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.is-current::after { right: 0; }
.nav-links a.is-current { color: var(--text); }

.nav-cv {
  border: 1px solid var(--dim-2);
  padding: 7px 14px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.nav-cv::after { display: none; }

.nav-cv:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 101;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-right: -11px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0.4); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  /* Keep the monogram above the overlay so the bar reads as a header. */
  .nav-monogram {
    position: relative;
    z-index: 101;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    height: 100vh;
    height: 100dvh;
    z-index: 99;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 4px;
    margin: 0;
    padding: calc(96px + env(safe-area-inset-top))
             max(var(--pad), env(safe-area-inset-right))
             calc(40px + env(safe-area-inset-bottom))
             max(var(--pad), env(safe-area-inset-left));
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease),
                visibility 0s linear 0.28s;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s, 0s, 0s;
  }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 16px 0;
    font-size: 15px;
    letter-spacing: 0.14em;
    border-bottom: 1px solid var(--dim);
  }

  .nav-links a::after { display: none; }

  .nav-links .nav-cv {
    margin-top: 24px;
    padding: 16px;
    text-align: center;
    border: 1px solid var(--dim-2);
  }
}

@media (max-width: 860px) and (prefers-reduced-motion: reduce) {
  .nav-links { transform: none; transition: none; }
  .nav-toggle span { transition: none; }
}

body.nav-open { overflow: hidden; }

/* ─── BACK TO TOP ──────────────────────────────────────────── */

.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 95;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--dim-2);
  background: rgba(13, 13, 13, 0.8);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  color: var(--muted);
  font-size: 15px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
              border-color 0.2s, color 0.2s;
}

.to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.to-top:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ─── HERO ──────────────────────────────────────────────────── */

#hero {
  position: relative;
  min-height: 100svh;
  padding-top: 100px;
  padding-right: var(--pad);
  padding-bottom: clamp(100px, 12vw, 160px);
  padding-left: var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 90% at 20% 10%, #000 0%, transparent 72%);
          mask-image: radial-gradient(120% 90% at 20% 10%, #000 0%, transparent 72%);
}

.hero-grid-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 78, 255, 0.13) 0%, transparent 62%);
  filter: blur(30px);
  animation: aurora 18s ease-in-out infinite alternate;
}

@keyframes aurora {
  from { transform: translate3d(0, 0, 0) scale(1); opacity: 0.75; }
  to   { transform: translate3d(-6%, 8%, 0) scale(1.14); opacity: 1; }
}

.hero-available {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); opacity: 1; }
  70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); opacity: 0.55; }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); opacity: 1; }
}

.hero-available-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-name {
  font-family: 'Clash Display', 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(72px, 14vw, 210px);
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: clamp(20px, 2.4vw, 32px);
}

/* per-letter reveal (JS adds .is-split) */
.hero-name.is-split { opacity: 1; transform: none; }

.hero-name .ltr {
  display: inline-block;
  animation: ltr-in 0.9s var(--ease) backwards;
}

@keyframes ltr-in {
  from { opacity: 0; transform: translateY(0.34em) rotate(3deg); }
  to   { opacity: 1; transform: translateY(0) rotate(0); }
}

.hero-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(13px, 1.5vw, 16px);
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: clamp(36px, 4vw, 60px);
  min-height: 1.2em;
}

.hero-role-caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  background: var(--accent);
  vertical-align: -0.15em;
  animation: caret-blink 1s step-end infinite;
}

@keyframes caret-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero-footer {
  border-top: 1px solid var(--dim);
  padding-top: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.hero-tagline {
  font-size: clamp(14px, 1.6vw, 19px);
  color: var(--muted);
  font-weight: 300;
  line-height: 1.6;
  max-width: 480px;
}

.hero-tagline em {
  font-style: normal;
  color: var(--text);
}

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

.hero-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  white-space: nowrap;
  transition: gap 0.2s, background 0.2s, box-shadow 0.3s, transform 0.25s var(--ease);
}

.hero-cta::after { content: '→'; }

.hero-cta:hover {
  gap: 14px;
  background: #6d61ff;
  box-shadow: 0 0 28px rgba(91, 78, 255, 0.4);
}

.hero-cta-ghost {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--dim-2);
  padding: 13px 24px;
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s, transform 0.25s var(--ease);
}

.hero-cta-ghost:hover {
  border-color: var(--text);
  color: var(--text);
}

.hero-ticker {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  border-top: 1px solid var(--dim);
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.hero-ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 48s linear infinite;
}

.hero-ticker:hover .hero-ticker-track {
  animation-play-state: paused;
}

.hero-ticker-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  gap: 28px;
}

.hero-ticker-item::after {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── METRICS BAND ──────────────────────────────────────────── */

.metrics-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  border-top: 1px solid var(--dim);
  background:
    linear-gradient(180deg, rgba(91, 78, 255, 0.045) 0%, transparent 100%),
    var(--bg);
}

.metric {
  padding: clamp(28px, 3.5vw, 44px) var(--pad);
  border-left: 1px solid var(--dim);
}

.metric:first-child { border-left: none; }

@media (max-width: 900px) {
  .metric { border-left: none; border-top: 1px solid var(--dim); }
  .metric:first-child { border-top: none; }
}

.metric-value {
  display: block;
  font-family: 'Clash Display', 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--label);
  max-width: 26ch;
}

/* ─── SECTIONS ──────────────────────────────────────────────── */

section:not(#hero) {
  border-top: 1px solid var(--dim);
  padding: clamp(100px, 11vw, 160px) var(--pad);
  scroll-margin-top: 80px;
}

.eyebrow {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 56px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 56px;
}

.section-head .eyebrow { margin-bottom: 0; }

/* ─── ABOUT ─────────────────────────────────────────────────── */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
}

.about-pull {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
  position: sticky;
  top: 120px;
}

@media (max-width: 768px) {
  .about-pull { position: static; }
}

.about-body {
  font-size: clamp(14px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.about-body p + p {
  margin-top: 20px;
}

.about-body strong {
  color: var(--text);
  font-weight: 500;
}

/* ─── WORK ──────────────────────────────────────────────────── */

.work-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid var(--dim);
  padding: 9px 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.filter-btn:hover {
  border-color: var(--dim-2);
  color: var(--text);
}

.filter-btn.is-active {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
}

.filter-count {
  font-size: 9px;
  color: var(--label);
}

.filter-btn.is-active .filter-count { color: var(--accent); }

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  column-gap: clamp(24px, 3vw, 48px);
  row-gap: clamp(56px, 6vw, 80px);
}

.work-empty {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--label);
  padding: 60px 0;
  text-align: center;
}

.card {
  display: block;
  text-decoration: none;
  cursor: pointer;
  --mx: 50%;
  --my: 50%;
}

.card.is-filtered-out { display: none; }

.card:not(.is-filtered-out) {
  animation: card-in 0.55s var(--ease) backwards;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

@media (min-width: 1000px) {
  .card-featured:first-child { grid-column: span 2; }
  .card-featured:first-child .card-visual { aspect-ratio: 16 / 9; }
  .card-featured:first-child .card-title { font-size: clamp(22px, 2.4vw, 30px); }
  .card-featured:first-child .card-desc { font-size: 14px; max-width: 62ch; }
}

.card-visual-wrap {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--dim);
}

.card-visual-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(320px circle at var(--mx) var(--my), rgba(91, 78, 255, 0.22), transparent 70%);
  transition: opacity 0.4s ease;
}

.card:hover .card-visual-wrap::after { opacity: 1; }

.card-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  background: var(--dim);
  display: block;
  transition: filter 0.45s ease, transform 0.6s var(--ease);
}

/* Diagram thumbs: letterbox rather than crop, and keep their accent colour */
.card-visual[src$=".svg"] {
  object-fit: contain;
  background: #0a0a0d;
}

.card:hover .card-visual {
  filter: grayscale(1) brightness(0.5);
  transform: scale(1.03);
}

.card:hover .card-visual[src$=".svg"] {
  filter: brightness(0.6);
  transform: scale(1.015);
}

.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0;
  transition: opacity 0.45s ease;
}

.card:hover .card-overlay { opacity: 1; }

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(8, 8, 8, 0.78);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  border: 1px solid var(--accent-line);
  padding: 5px 10px;
}

/* padlock glyph, drawn in CSS so it inherits colour */
.card-badge-lock::before,
.work-note-lock {
  content: '';
  display: inline-block;
  width: 9px;
  height: 11px;
  flex-shrink: 0;
  background: currentColor;
  -webkit-mask: var(--lock-mask) center / contain no-repeat;
          mask: var(--lock-mask) center / contain no-repeat;
}

:root {
  --lock-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 22'%3E%3Cpath d='M4 9V6a5 5 0 0 1 10 0v3h1a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2v-9a2 2 0 0 1 2-2h1zm2 0h6V6a3 3 0 0 0-6 0v3z'/%3E%3C/svg%3E");
}

.card-badge-live {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.35);
}

.card-badge-live::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* unlocked state, set by the homepage script */
.card-badge-lock.is-unlocked {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.35);
}

.card-badge-lock.is-unlocked::before {
  -webkit-mask-image: none;
          mask-image: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

/* ─── WORK ACCESS NOTE ──────────────────────────────────────── */

.work-note {
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-left: 2px solid var(--accent-line);
  background: linear-gradient(90deg, var(--accent-soft), transparent 55%);
  padding: 14px 18px;
  margin: -24px 0 48px;
}

.work-note-lock {
  color: var(--accent);
  align-self: center;
}

.work-note a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: border-color 0.2s;
}

.work-note a:hover { border-bottom-color: var(--accent); }

.work-note.is-unlocked {
  border-left-color: rgba(34, 197, 94, 0.4);
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.08), transparent 55%);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.card-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--label);
  letter-spacing: 0.08em;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--label);
  letter-spacing: 0.06em;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.card:hover .card-title { color: var(--accent); }

.card-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* Parent card — one entry standing in for a whole program of studies */

.card-parent .card-desc { max-width: 68ch; }

.card-children {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.card-children li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--label);
  border: 1px solid var(--dim);
  padding: 6px 11px;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.card-parent:hover .card-children li {
  color: var(--muted);
  border-color: var(--dim-2);
}

/* ─── STACK ─────────────────────────────────────────────────── */

.stack-intro {
  font-size: clamp(15px, 1.6vw, 19px);
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
  margin-top: -32px;
  margin-bottom: 64px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(32px, 3.5vw, 56px);
}

.stack-col-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid var(--dim);
  padding-bottom: 16px;
  margin-bottom: 22px;
}

.stack-col-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.stack-col-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.stack-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.stack-tags li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--dim);
  padding: 7px 11px;
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.stack-tags li:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
  transform: translateY(-2px);
}

/* ─── CONSULTANCY ───────────────────────────────────────────── */

.services-list {
  border-top: 1px solid var(--dim);
}

.services-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--label);
  margin-bottom: 18px;
}

.service-item {
  position: relative;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--dim);
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: clamp(28px, 3.5vw, 48px) 0;
  display: grid;
  grid-template-columns: 72px 1fr 32px;
  gap: 24px;
  align-items: start;
}

.service-item::before {
  content: '';
  position: absolute;
  left: -16px;
  right: -16px;
  top: 0;
  bottom: 0;
  background: linear-gradient(90deg, var(--accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.service-item:hover::before { opacity: 1; }

@media (max-width: 600px) {
  .service-item { grid-template-columns: 1fr 32px; }
  .service-number { display: none; }
}

.service-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--label);
  letter-spacing: 0.08em;
  padding-top: 5px;
}

.service-body {
  position: relative;
  display: block;
}

.service-title {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: clamp(19px, 2.2vw, 28px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.2;
  transition: color 0.2s;
}

.service-item:hover .service-title { color: var(--accent); }

.service-desc {
  display: block;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 620px;
}

.service-arrow {
  position: relative;
  font-size: 18px;
  color: var(--label);
  transition: color 0.2s, transform 0.2s;
  align-self: center;
  justify-self: end;
}

.service-item:hover .service-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* ─── SERVICE DETAIL MODAL ──────────────────────────────────── */

body.svc-modal-open {
  overflow: hidden;
}

.svc-modal {
  position: fixed;
  inset: 0;
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}

.svc-modal[hidden] { display: none; }

.svc-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 4, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.svc-modal.is-open .svc-modal-backdrop { opacity: 1; }

.svc-modal-panel {
  position: relative;
  width: min(880px, 100%);
  max-height: min(86vh, 900px);
  background: var(--bg-raised);
  border: 1px solid var(--dim-2);
  border-radius: 4px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(20px) scale(0.985);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
  overflow: hidden;
}

.svc-modal-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(620px circle at 88% -10%, var(--accent-soft), transparent 60%);
}

.svc-modal.is-open .svc-modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.svc-modal-scroll {
  position: relative;
  max-height: min(86vh, 900px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(28px, 4vw, 52px);
}

.svc-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dim-2);
  border-radius: 50%;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.svc-modal-close:hover {
  color: var(--text);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.svc-modal-num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}

.svc-modal-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  padding-right: 40px;
}

.svc-modal-lede {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.65;
  color: #c9c9c9;
  max-width: 68ch;
  padding-bottom: clamp(24px, 3vw, 34px);
  border-bottom: 1px solid var(--dim);
}

.svc-modal-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--dim);
}

@media (max-width: 700px) {
  .svc-modal-cols { grid-template-columns: 1fr; }
}

.svc-modal-cols + .svc-modal-block {
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--dim);
}

.svc-modal-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 16px;
}

.svc-modal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.svc-modal-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.svc-modal-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

/* Related work */
.svc-modal-related {
  display: grid;
  gap: 8px;
}

.svc-rel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--dim);
  border-radius: 3px;
  text-decoration: none;
  transition: border-color 0.22s, background 0.22s, transform 0.22s;
}

.svc-rel:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateX(3px);
}

.svc-rel-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.svc-rel-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.svc-rel-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--label);
}

.svc-rel-pill {
  flex: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--dim-2);
  border-radius: 999px;
  padding: 4px 9px;
}

.svc-rel-pill.is-unlocked {
  color: var(--accent);
  border-color: var(--accent-line);
}

.svc-rel-arrow {
  flex: none;
  font-size: 14px;
  color: var(--label);
  transition: color 0.22s, transform 0.22s;
}

.svc-rel:hover .svc-rel-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* Modal CTA */
.svc-modal-cta {
  padding-top: clamp(24px, 3vw, 34px);
}

.svc-modal-cta-text {
  font-size: 15px;
  line-height: 1.65;
  color: #c9c9c9;
  max-width: 62ch;
  margin-bottom: 20px;
}

.svc-modal-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.svc-modal-btn {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 3px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  transition: background 0.22s, color 0.22s, border-color 0.22s, transform 0.22s;
}

.svc-modal-btn:hover {
  transform: translateY(-2px);
  background: #6d61ff;
  border-color: #6d61ff;
}

.svc-modal-btn-ghost {
  background: none;
  color: var(--muted);
  border-color: var(--dim-2);
}

.svc-modal-btn-ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--text);
}

.svc-modal-cta-note {
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--label);
}

@media (prefers-reduced-motion: reduce) {
  .svc-modal-panel,
  .svc-modal-backdrop {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── CONTACT ───────────────────────────────────────────────── */

#contact {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-heading {
  font-family: 'Clash Display', 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(56px, 15vw, 200px);
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--text);
  display: block;
  text-decoration: none;
  margin-bottom: clamp(28px, 3.5vw, 48px);
  transition: color 0.2s;
}

.contact-heading:hover { color: var(--accent); }

.contact-email {
  display: block;
  font-size: clamp(13px, 1.5vw, 18px);
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 48px;
  transition: color 0.2s;
}

.contact-email em {
  font-style: normal;
  color: var(--text);
}

.contact-email:hover { color: var(--text); }

.socials {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.social-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.social-link:hover { color: var(--text); }

.sep {
  color: var(--label);
  user-select: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

/* ─── FOOTER ────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--dim);
  padding: 32px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy,
.footer-built {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--label);
  letter-spacing: 0.04em;
}

.footer-built em {
  font-style: normal;
  color: var(--accent);
}

/* ─── AVAILABILITY BAND ─────────────────────────────────────── */

.availability-band {
  border-top: 1px solid var(--dim);
  border-left: 3px solid var(--accent);
  padding: 24px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  background: linear-gradient(90deg, var(--accent-soft), transparent 55%);
}

.availability-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(11px, 1.1vw, 13px);
  letter-spacing: 0.04em;
  color: var(--muted);
  line-height: 1.7;
  max-width: 700px;
}

.availability-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--accent);
  padding: 10px 20px;
  transition: background 0.2s, color 0.2s, transform 0.25s var(--ease);
  flex-shrink: 0;
}

.availability-cta:hover {
  background: var(--accent);
  color: #fff;
}

/* ─── RESUME ROW ─────────────────────────────────────────────── */

.resume-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.resume-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-variant: small-caps;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--label);
}

.resume-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--dim-2);
  padding: 11px 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.25s var(--ease);
}

.resume-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.resume-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--label);
}

/* ─── SCROLL REVEAL ─────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }
.reveal-delay-7 { transition-delay: 0.7s; }
.reveal-delay-8 { transition-delay: 0.8s; }

/* ─── REDUCED MOTION ────────────────────────────────────────── */

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

  .hero-role-caret,
  .hero-ticker-track,
  .hero-grid-bg::after,
  .dot {
    animation: none;
  }

  .hero-role-caret { opacity: 1; }

  .card:not(.is-filtered-out) { animation: none; }
  .hero-name .ltr { animation: none; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}