/* =========================================================
   Paul Arbic — Portfolio
   Design tokens → base → layout → components → sections → responsive
   ========================================================= */

:root {
  /* Palette */
  --bg: #07090f;
  --bg-2: #0b0f1a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --ink: #e7ebf3;
  --ink-dim: #a3acbf;
  --ink-mute: #6c768c;

  --mint: #3ee6b0;
  --violet: #8b7bff;
  --sky: #5cc8ff;
  --gold: #f5c451;
  --danger: #ff6b81;

  --grad: linear-gradient(110deg, var(--mint) 0%, var(--sky) 45%, var(--violet) 100%);
  --grad-soft: linear-gradient(135deg, rgba(62, 230, 176, 0.14), rgba(139, 123, 255, 0.14));

  /* Type */
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --container: 1200px;
  --radius: 18px;
  --radius-sm: 10px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Subtle noise-free ambient glow behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 85% -10%, rgba(139, 123, 255, 0.10), transparent 60%),
    radial-gradient(50rem 40rem at -10% 30%, rgba(62, 230, 176, 0.07), transparent 60%);
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.12; margin: 0; letter-spacing: -0.02em; color: #fff; }
p { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(62, 230, 176, 0.3); color: #fff; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--mint);
  color: #04110c;
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 0.85rem;
  --pad-x: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--grad);
  color: #050a12;
  box-shadow: 0 8px 30px -10px rgba(62, 230, 176, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -12px rgba(92, 200, 255, 0.7); }

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--ink);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--mint); background: rgba(62, 230, 176, 0.08); transform: translateY(-2px); }

.btn-sm { --pad-y: 0.55rem; --pad-x: 1.1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 9, 15, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-color: var(--border);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: #fff; }
.brand img { transition: transform 0.6s var(--ease); }
.brand:hover img { transform: rotate(60deg); }

.primary-nav { display: flex; align-items: center; gap: 2rem; }
.primary-nav ul { display: flex; gap: 1.6rem; }
.primary-nav ul a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-dim);
  transition: color 0.2s;
}
.primary-nav ul a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.primary-nav ul a:hover,
.primary-nav ul a.is-active { color: #fff; }
.primary-nav ul a:hover::after,
.primary-nav ul a.is-active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 12px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + 4rem) 0 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.55; }
.hero-art {
  position: absolute;
  z-index: -2;
  top: 0; right: -6%;
  width: min(62vw, 900px);
  height: 100%;
  background: url("assets/hero-art.webp") center right / cover no-repeat;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 45%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 45%);
  animation: drift 24s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(-2%, 2%, 0) scale(1.05); } }

.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
}

.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(62, 230, 176, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(62, 230, 176, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(62, 230, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(62, 230, 176, 0); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}
.rotator {
  display: inline-block;
  min-height: 1.12em;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), filter 0.4s;
}
.rotator.is-out { opacity: 0; transform: translateY(0.3em); filter: blur(6px); }

.hero-lead {
  font-size: clamp(1.02rem, 1.3vw, 1.15rem);
  color: var(--ink-dim);
  max-width: 40rem;
  margin-bottom: 2.2rem;
}
.hero-lead strong { color: var(--ink); font-weight: 600; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.4rem; }

.hero-chains { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; }
.hero-chains li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  display: flex; align-items: center; gap: 0.5rem;
}
.hero-chains li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--violet); }

/* Terminal card */
.hero-terminal {
  background: linear-gradient(180deg, rgba(17, 22, 36, 0.85), rgba(10, 13, 22, 0.85));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(139, 123, 255, 0.06), 0 0 80px -20px rgba(139, 123, 255, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-6deg) rotateX(3deg);
  transition: transform 0.8s var(--ease);
}
.hero-terminal:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, 0.02); }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term-bar span:nth-child(2) { background: #febc2e; }
.term-bar span:nth-child(3) { background: #28c840; }
.term-bar p { margin-left: auto; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-mute); }
.term-body {
  margin: 0;
  padding: 1.3rem 1.4rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--ink-dim);
  overflow-x: auto;
}
.tk-k { color: var(--violet); }
.tk-t { color: var(--sky); }
.tk-s { color: var(--mint); }
.tk-n { color: var(--gold); }
.tk-f { color: #ff9ecf; }
.caret { display: inline-block; width: 8px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--mint); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Stats */
.stats {
  margin: 4.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 640px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(11, 15, 26, 0.6);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.stat { padding: 1.5rem 1.6rem; display: flex; flex-direction: column-reverse; gap: 0.3rem; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat dt { font-size: 0.82rem; color: var(--ink-mute); }
.stat dd { margin: 0; font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; color: #fff; }

/* ---------- Marquee ---------- */
.marquee {
  border-block: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
  padding: 1.1rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track { display: flex; width: max-content; gap: 3rem; animation: scroll-x 45s linear infinite; }
.marquee-track span {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink-mute);
  display: flex; align-items: center; gap: 3rem;
  white-space: nowrap;
}
.marquee-track span::after { content: "◆"; font-size: 0.55rem; color: var(--violet); opacity: 0.7; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(5rem, 10vw, 8rem) 0; position: relative; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(11, 15, 26, 0.9) 12%, rgba(11, 15, 26, 0.9) 88%, transparent); }

.section-head { max-width: 46rem; margin-bottom: 3.5rem; }
.kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 1rem;
}
.kicker-gold { color: var(--gold); }
.section-head h2,
.analysis-copy h2,
.contact-card h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; margin-bottom: 1.1rem; }
.section-lead { color: var(--ink-dim); font-size: 1.07rem; }

/* Check list */
.check-list { display: grid; gap: 0.55rem; }
.check-list li { position: relative; padding-left: 1.6rem; font-size: 0.93rem; color: var(--ink-dim); }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.42em;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent, var(--mint)) 18%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, var(--mint)) 60%, transparent);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 4.5px; top: calc(0.42em + 3.5px);
  width: 5px; height: 3px;
  border-left: 1.5px solid var(--accent, var(--mint));
  border-bottom: 1.5px solid var(--accent, var(--mint));
  transform: rotate(-45deg);
}

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.service-card {
  --accent: var(--mint);
  position: relative;
  padding: 2.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(28rem 18rem at var(--mx, 80%) var(--my, 0%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  opacity: 0.5;
  transition: opacity 0.3s;
  pointer-events: none;
}
.service-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; }
.service-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  margin-bottom: 1.4rem;
}
.service-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 1.35rem; margin-bottom: 0.7rem; }
.service-card > p { color: var(--ink-dim); margin-bottom: 1.4rem; font-size: 0.97rem; }

/* ---------- Security & Incentives ---------- */
.security { overflow: hidden; }
.security::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(36rem 22rem at 15% 20%, rgba(62, 230, 176, 0.07), transparent 70%),
    radial-gradient(36rem 22rem at 85% 70%, rgba(245, 196, 81, 0.06), transparent 70%);
  pointer-events: none;
}
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.pillar { display: flex; flex-direction: column; border-top: 2px solid color-mix(in srgb, var(--accent) 55%, transparent); }
.pillar-top { display: flex; justify-content: space-between; align-items: flex-start; }
.pillar-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--accent) 45%, transparent);
}
.principles {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(11, 15, 26, 0.6);
  overflow: hidden;
}
.principles li { padding: 1.3rem 1.5rem; display: grid; gap: 0.25rem; }
.principles li + li { border-left: 1px solid var(--border); }
.principles strong { font-family: var(--font-head); font-size: 1rem; color: #fff; display: flex; align-items: center; gap: 0.5rem; }
.principles strong::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 10px rgba(62, 230, 176, 0.7); }
.principles span { font-size: 0.86rem; color: var(--ink-dim); }

/* ---------- Analysis ---------- */
.analysis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.analysis-copy .section-lead { margin-bottom: 2.2rem; }
.analysis-points { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem 2rem; }
.a-point { border-left: 2px solid rgba(245, 196, 81, 0.35); padding-left: 1rem; }
.a-point h3 { font-size: 1.02rem; margin-bottom: 0.35rem; }
.a-point p { font-size: 0.9rem; color: var(--ink-dim); }

.dash {
  margin: 0;
  padding: 1.6rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 25, 40, 0.9), rgba(11, 14, 24, 0.9));
  border: 1px solid var(--border-strong);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9), 0 0 100px -30px rgba(245, 196, 81, 0.2);
}
.dash-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.3rem; }
.dash-head p { font-family: var(--font-head); font-weight: 600; color: #fff; }
.badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(62, 230, 176, 0.35);
  background: rgba(62, 230, 176, 0.08);
  color: var(--mint);
}
.badge .pulse-dot { width: 6px; height: 6px; }
.dash-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-bottom: 1.2rem; }
.dash-kpis div { padding: 0.85rem 1rem; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); }
.dash-kpis span { display: block; font-size: 0.72rem; color: var(--ink-mute); margin-bottom: 0.2rem; }
.dash-kpis strong { font-family: var(--font-mono); font-size: 1.15rem; color: #fff; font-weight: 500; }
.dash-chart { width: 100%; height: 180px; overflow: visible; }
.grid-lines line { stroke: rgba(255, 255, 255, 0.06); stroke-dasharray: 3 5; }
.dash-line { fill: none; stroke: var(--mint); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 700; stroke-dashoffset: 700; filter: drop-shadow(0 0 6px rgba(62, 230, 176, 0.6)); }
.dash-area { opacity: 0; transition: opacity 1.2s 0.6s; }
.dash-threshold { stroke: var(--danger); stroke-width: 1; stroke-dasharray: 4 4; opacity: 0.6; }
.dash-label { fill: var(--danger); font-family: var(--font-mono); font-size: 9px; opacity: 0.75; }
.dash.is-visible .dash-line { animation: draw 2.2s var(--ease) forwards; }
.dash.is-visible .dash-area { opacity: 1; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.dash-bars { display: flex; align-items: flex-end; gap: 6px; height: 56px; margin-top: 1rem; }
.dash-bars span {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--violet), rgba(139, 123, 255, 0.15));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.8s var(--ease);
}
.dash-bars span:nth-child(3n) { background: linear-gradient(180deg, var(--gold), rgba(245, 196, 81, 0.12)); }
.dash.is-visible .dash-bars span { transform: scaleY(1); }
.dash.is-visible .dash-bars span:nth-child(n) { transition-delay: calc(var(--i, 0) * 60ms); }
.dash figcaption { margin-top: 1rem; font-size: 0.75rem; color: var(--ink-mute); }

/* ---------- Engagement ---------- */
.engage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
.engage-card {
  display: flex;
  flex-direction: column;
  padding: 2.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease), border-color 0.3s;
}
.engage-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.engage-card .check-list { margin: 1.4rem 0 2rem; flex: 1; align-content: start; }
.engage-tag { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-mute); margin-bottom: 0.8rem; }
.engage-card h3 { font-size: 1.5rem; margin-bottom: 0.7rem; }
.engage-card > p:not(.engage-tag) { color: var(--ink-dim); font-size: 0.95rem; }
.engage-featured {
  position: relative;
  background: linear-gradient(180deg, rgba(62, 230, 176, 0.07), rgba(139, 123, 255, 0.05));
  border-color: transparent;
}
.engage-featured::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  pointer-events: none;
}
.engage-featured .engage-tag { color: var(--mint); }

/* ---------- Work ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.2rem; }
.filter {
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  font-size: 0.87rem;
  color: var(--ink-dim);
  transition: all 0.25s var(--ease);
}
.filter:hover { color: #fff; border-color: var(--mint); }
.filter.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.work-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.3s, opacity 0.35s, scale 0.35s;
}
.work-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.work-card.is-hidden { display: none; }
.work-wide { grid-column: 1 / -1; flex-direction: row; }
.work-wide .work-visual { flex: 0 0 42%; min-height: 100%; }

.work-visual {
  position: relative;
  min-height: 170px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--bg-2);
}
.work-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(circle at center, #000, transparent 75%);
  mask-image: radial-gradient(circle at center, #000, transparent 75%);
}
.work-visual::after {
  content: "";
  position: absolute;
  width: 70%; aspect-ratio: 1;
  border-radius: 50%;
  background: var(--glow);
  filter: blur(50px);
  opacity: 0.5;
  transition: opacity 0.4s, transform 0.6s var(--ease);
}
.work-card:hover .work-visual::after { opacity: 0.8; transform: scale(1.15); }
.work-visual span {
  position: relative;
  z-index: 1;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.v-fuero    { --glow: radial-gradient(circle, #ff7a59, #8b7bff); }
.v-bit      { --glow: radial-gradient(circle, #f5c451, #ff7a59); }
.v-nuon     { --glow: radial-gradient(circle, #3ee6b0, #5cc8ff); }
.v-arb      { --glow: radial-gradient(circle, #5cc8ff, #8b7bff); }
.v-ascendra { --glow: radial-gradient(circle, #5cc8ff, #3ee6b0); }
.v-eit      { --glow: radial-gradient(circle, #ff9ecf, #8b7bff); }
.v-tsp      { --glow: radial-gradient(circle, #f5c451, #3ee6b0); }

.work-body { padding: 1.8rem 2rem 2rem; display: flex; flex-direction: column; flex: 1; }
.work-role { font-family: var(--font-mono); font-size: 0.74rem; color: var(--mint); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.6rem; }
.work-body h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.work-body > p:not(.work-role) { color: var(--ink-dim); font-size: 0.94rem; margin-bottom: 1.2rem; }
.work-body strong { color: var(--ink); }
.tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.2rem; }
.tags li { font-size: 0.75rem; padding: 0.25rem 0.6rem; border-radius: 6px; background: var(--surface-2); color: var(--ink-dim); border: 1px solid var(--border); }
.work-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.work-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform 0.25s var(--ease); }
.work-link:hover { color: var(--mint); border-color: var(--mint); }
.work-link:hover svg { transform: translate(2px, -2px); }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; gap: 1.6rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 11rem;
  top: 0.5rem; bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--mint), var(--violet) 60%, transparent);
  opacity: 0.5;
}
.tl-item { display: grid; grid-template-columns: 11rem 1fr; gap: 2.5rem; position: relative; }
.tl-item::before {
  content: "";
  position: absolute;
  left: calc(11rem - 6px);
  top: 1.6rem;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--mint);
  box-shadow: 0 0 14px rgba(62, 230, 176, 0.6);
}
.tl-date { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-mute); padding-top: 1.45rem; text-align: right; padding-right: 1.5rem; }
.tl-card {
  padding: 1.5rem 1.8rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
}
.tl-card:hover { border-color: var(--border-strong); background: var(--surface-2); }
.tl-card h3 { font-size: 1.12rem; margin-bottom: 0.3rem; }
.tl-org { color: var(--mint); font-size: 0.9rem; font-weight: 500; margin-bottom: 0.9rem; }
.tl-card ul { display: grid; gap: 0.45rem; }
.tl-card li { position: relative; padding-left: 1.1rem; font-size: 0.93rem; color: var(--ink-dim); }
.tl-card li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 5px; height: 5px; border-radius: 50%; background: var(--violet); }

/* ---------- Skills ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.skill-group { padding: 1.8rem 2rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.skill-group h3 { display: flex; align-items: center; gap: 0.6rem; font-size: 1.1rem; margin-bottom: 1.2rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); box-shadow: 0 0 12px var(--c); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips li {
  font-size: 0.84rem;
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--ink-dim);
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s var(--ease);
}
.chips li:hover { color: #fff; border-color: var(--mint); background: rgba(62, 230, 176, 0.08); transform: translateY(-2px); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: step; }
.step {
  position: relative;
  padding: 1.8rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease), border-color 0.3s;
}
.step:hover { transform: translateY(-4px); border-color: rgba(62, 230, 176, 0.4); }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.6rem; right: -0.75rem;
  width: 0.5rem; height: 0.5rem;
  border-top: 2px solid var(--ink-mute);
  border-right: 2px solid var(--ink-mute);
  transform: rotate(45deg);
  z-index: 1;
}
.step-num { display: block; font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 1rem; }
.step-num { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 500; }
.step h3 { font-size: 1.12rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.88rem; color: var(--ink-dim); }

/* ---------- Education ---------- */
.edu-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
.edu-grid .section-head { margin-bottom: 0; }
.edu-cards { display: grid; gap: 1.2rem; }
.edu-card { padding: 1.8rem 2rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.edu-year { font-family: var(--font-mono); font-size: 0.78rem; color: var(--gold); margin-bottom: 0.5rem; }
.edu-card h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.edu-card > p:not(.edu-year) { color: var(--ink-dim); }
.edu-card strong { color: var(--mint); }
.edu-note { margin-top: 0.8rem; font-size: 0.9rem; color: var(--ink-mute) !important; }

/* ---------- Contact ---------- */
.contact::before {
  content: "";
  position: absolute;
  inset: 10% 0 0;
  background: radial-gradient(40rem 25rem at 25% 50%, rgba(62, 230, 176, 0.08), transparent 70%),
              radial-gradient(40rem 25rem at 80% 60%, rgba(139, 123, 255, 0.1), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.contact-card {
  position: relative;
  max-width: 820px;
  margin-inline: auto;
  padding: clamp(2.2rem, 5vw, 3.8rem);
  text-align: center;
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(180deg, rgba(20, 26, 42, 0.85), rgba(11, 14, 24, 0.85));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9), 0 0 120px -40px rgba(62, 230, 176, 0.3);
}
.contact-card h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; margin-bottom: 1.1rem; }
.contact-card .section-lead { max-width: 34rem; margin: 0 auto 2.2rem; }
.contact-cta { --pad-y: 1.05rem; --pad-x: 2rem; font-size: 1.02rem; margin-bottom: 2.2rem; }
.contact-card .contact-list { justify-items: center; }
.contact-card .contact-list li { justify-content: center; }
.contact-list { display: grid; gap: 1rem; }
.contact-list li { display: flex; align-items: center; gap: 0.85rem; color: var(--ink-dim); flex-wrap: wrap; }
.contact-list svg { width: 22px; height: 22px; fill: none; stroke: var(--mint); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.contact-list a { color: #fff; font-weight: 500; border-bottom: 1px solid var(--border-strong); transition: border-color 0.2s; }
.contact-list a:hover { border-color: var(--mint); }
.copy-btn {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--ink-dim);
  transition: all 0.2s;
}
.copy-btn:hover { color: #fff; border-color: var(--mint); }
.copy-btn.is-copied { color: var(--mint); border-color: var(--mint); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0; background: var(--bg-2); }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem 2rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-head); font-weight: 600; color: #fff; }
.footer-roles { color: var(--ink-mute); font-size: 0.85rem; }
.socials { display: flex; gap: 0.6rem; }
.socials:empty { display: none; }
.socials a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  color: var(--ink-dim);
  transition: all 0.2s;
}
.socials a:hover { color: #fff; border-color: var(--mint); transform: translateY(-2px); }
.socials svg { width: 18px; height: 18px; fill: currentColor; }
.copyright { grid-column: 1 / -1; font-size: 0.8rem; color: var(--ink-mute); }

/* ---------- Reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: var(--delay, 0ms); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .primary-nav { gap: 1.2rem; }
  .primary-nav ul { gap: 1.05rem; }
  .primary-nav ul a { font-size: 0.86rem; }
  .pillar-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .principles li:nth-child(3) { border-left: 0; }
  .principles li:nth-child(n + 3) { border-top: 1px solid var(--border); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-terminal { max-width: 560px; transform: none; }
  .analysis-grid,
  .edu-grid { grid-template-columns: 1fr; gap: 3rem; }
  .process { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3)::after { display: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.2rem;
    padding: 1.5rem 1.25rem 2rem;
    background: rgba(7, 9, 15, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform 0.4s var(--ease), visibility 0.4s;
  }
  .primary-nav.is-open { transform: none; visibility: visible; }
  .primary-nav ul { flex-direction: column; gap: 0.2rem; }
  .primary-nav ul a { display: block; padding: 0.75rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--border); }
  .primary-nav ul a::after { display: none; }
  .site-header:has(.is-open) { background: rgba(7, 9, 15, 0.97); }

  .service-grid,
  .engage-grid,
  .work-grid,
  .skills-grid { grid-template-columns: 1fr; }
  .work-wide { flex-direction: column; }
  .work-wide .work-visual { flex: none; min-height: 170px; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding-top: calc(var(--header-h) + 2.5rem); }
  .hero-art { width: 100%; right: -30%; opacity: 0.3; }
  .analysis-points { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .principles li + li { border-left: 0; border-top: 1px solid var(--border); }
  .process { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .timeline::before { left: 6px; }
  .tl-item { grid-template-columns: 1fr; gap: 0.6rem; padding-left: 2rem; }
  .tl-item::before { left: 0; top: 0.35rem; }
  .tl-date { text-align: left; padding: 0; }
  .service-card,
  .engage-card { padding: 1.6rem; }
  .work-body { padding: 1.5rem; }
  .dash-kpis strong { font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .dash-line { stroke-dashoffset: 0; }
  .marquee-track { animation: none; }
}