/* portfolio.css — Christopher Williams */

:root {
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --ink: #0f1e23;
  --ink-2: #1a2c33;
  --ink-soft: #38484f;
  --muted: #6b7a80;
  --line: #e6ebec;
  --bg: #ffffff;
  --bg-soft: #f6f9f9;
  --teal: #14b8a6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.serif-it {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.04em;
  font-size: 0.86em;
}

/* ── Marquee ───────────────────────────────────────────────────────────── */
.marquee {
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.marquee-track {
  display: flex; width: max-content;
  animation: marquee 38s linear infinite;
}
.marquee-row {
  display: flex; align-items: center; flex-shrink: 0;
  padding: 26px 0;
}
.marquee-item {
  display: inline-flex; align-items: center; gap: 32px;
  padding: 0 32px;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,.85);
  white-space: nowrap;
}
.marquee-star { font-size: .55em; transform: translateY(-0.05em); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Nav ───────────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  transition: padding .25s ease, background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.nav-scrolled {
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
  padding: 12px 40px;
}
/* over the dark hero, we swap to white text */
.nav:not(.nav-scrolled) { color: #fff; }
.nav:not(.nav-scrolled) .nav-links a { color: rgba(255,255,255,.78); }
.nav:not(.nav-scrolled) .nav-links a:hover { color: #fff; }
.nav:not(.nav-scrolled) .nav-links a.nav-active { color: #fff; }

.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }
.nav-brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 12px; letter-spacing: 0;
}
.nav-brand-name { white-space: nowrap; }

.nav-links { display: flex; gap: 28px; font-size: 14px; }
.nav-links a {
  color: var(--ink-soft); transition: color .15s; position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.nav-active { color: var(--ink); }
.nav-links a.nav-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--teal); border-radius: 2px;
}
.nav:not(.nav-scrolled) .nav-links a.nav-active::after { background: #fff; }

.nav-cta {
  font-size: 13px; font-weight: 600; color: #fff;
  padding: 10px 16px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: transform .15s ease, filter .15s;
}
.nav-cta:hover { filter: brightness(1.06); transform: translateY(-1px); }

.nav-burger { display: none; appearance: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-burger span { display: block; width: 22px; height: 2px; background: currentColor; margin: 4px 0; border-radius: 2px; }

.nav-mobile {
  position: fixed; top: 64px; right: 16px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 10px 4px;
  display: flex; flex-direction: column; min-width: 180px;
  box-shadow: 0 16px 48px rgba(0,0,0,.22);
}
.nav-mobile a { color: var(--ink); padding: 10px 16px; font-size: 14px; }
.nav-mobile a:hover { background: var(--bg-soft); }

@media (max-width: 820px) {
  .nav, .nav-scrolled { padding: 14px 18px; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: block; }
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative; isolation: isolate;
  min-height: 100vh;
  background: var(--ink);
  color: #fff;
  display: flex; align-items: center;
  padding: 120px 40px 100px;
  overflow: hidden;
}
body[data-hero-style="gradient"] .hero {
  background:
    radial-gradient(1100px 600px at 78% 22%, rgba(20,184,166,.18), transparent 60%),
    linear-gradient(180deg, #0a161a 0%, #0f1e23 60%, #0d1a1f 100%);
}
body[data-hero-style="solid"] .hero { background: #0a161a; }
body[data-hero-style="solid"] .hero-glow { display: none; }
body[data-hero-style="grid"] .hero-glow { opacity: 0.5; }

.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
}
.hero-glow { position: absolute; inset: 0; z-index: -1; }

.hero-inner {
  width: 100%; max-width: 1180px; margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  font-size: 12px; color: rgba(255,255,255,.78);
  letter-spacing: 0;
}
.hero-dot { width: 8px; height: 8px; border-radius: 50%; box-shadow: 0 0 0 4px rgba(20,184,166,.18); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(20,184,166,0); } }

.hero-title {
  margin: 22px 0 28px;
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: pretty;
}
.hero-title .serif-it {
  font-size: 0.9em;
  letter-spacing: -0.04em;
}

.hero-typer {
  display: inline-flex; align-items: center; gap: 0;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: clamp(18px, 2.2vw, 24px);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 12px 18px;
  border-radius: 12px;
  margin-bottom: 38px;
  min-width: 320px;
}
.hero-typer-prefix { color: var(--teal); }
.hero-typer-text { white-space: pre; }
.hero-typer-caret {
  display: inline-block;
  width: 9px; height: 1.1em; margin-left: 4px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 64px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  color: #fff;
  border: 0;
  transition: transform .15s ease, filter .15s;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.18);
  background: transparent;
  transition: background .15s, border-color .15s;
}
.btn-ghost:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.3); }

.hero-meta {
  display: flex; gap: 56px; flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 14px; color: rgba(255,255,255,.6);
}
.hero-meta b { display: block; color: #fff; font-size: 22px; font-weight: 600; margin-bottom: 2px; letter-spacing: -0.01em; }

.hero-scroll {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.hero-scroll-line {
  width: 1px; height: 36px; background: linear-gradient(180deg, transparent, rgba(255,255,255,.5));
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint { 0%,100% { transform: scaleY(0.6); transform-origin: top; } 50% { transform: scaleY(1); } }

@media (max-width: 700px) {
  .hero { padding: 100px 22px 80px; }
  .hero-meta { gap: 28px; }
  .hero-typer { min-width: 0; width: 100%; padding: 10px 14px; }
}

/* ── Section heads ─────────────────────────────────────────────────────── */
.section, .section-contact {
  max-width: 1180px; margin: 0 auto;
  padding: 120px 40px;
}
.section-skills { background: var(--bg-soft); max-width: none; margin: 0; padding: 120px 40px; }
.section-skills > * { max-width: 1180px; margin-left: auto; margin-right: auto; }

.sect-head { margin-bottom: 56px; }
.sect-head-line { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.sect-num { font-family: ui-monospace, Menlo, monospace; font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.sect-rule { flex: 0 0 48px; height: 1px; background: var(--line); }
.sect-eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.sect-title {
  margin: 0;
  font-size: clamp(32px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 820px;
  text-wrap: balance;
}
.sect-title .serif-it {
  font-size: 0.88em;
  letter-spacing: -0.04em;
  color: var(--ink);
}

/* ── About ─────────────────────────────────────────────────────────────── */
.section-about {
  position: relative;
}
.section-about::before {
  content: "";
  position: absolute;
  top: 10%; right: -10%;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251,191,36,.55), rgba(251,191,36,.18) 45%, transparent 72%);
  pointer-events: none; z-index: -1;
  filter: blur(2px);
}
.section-about::after {
  content: "";
  position: absolute;
  bottom: 6%; left: -10%;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249,115,102,.5), rgba(249,115,102,.16) 45%, transparent 72%);
  pointer-events: none; z-index: -1;
  filter: blur(2px);
}

.about-grid {
  display: grid; grid-template-columns: 0.55fr 1.45fr; gap: 64px;
  align-items: start;
}
.about-portrait { position: relative; padding: 14px 14px 22px 22px; max-width: 320px; }
.about-portrait-bg {
  position: absolute; top: 0; right: 0;
  width: 86%; height: 86%;
  border-radius: 22px;
  z-index: 0;
}
.about-portrait-frame {
  position: relative;
  z-index: 1;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid; place-items: center;
  box-shadow: 0 22px 60px rgba(15,30,35,.28);
}
.about-portrait-stripes {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(15,30,35,.04) 0 8px, transparent 8px 16px);
}
.about-portrait-label {
  position: relative;
  font-family: ui-monospace, Menlo, monospace; font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
  background: rgba(255,255,255,.7);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.about-sticker {
  position: absolute; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px; font-weight: 700;
  letter-spacing: -0.01em;
  box-shadow: 0 10px 28px rgba(15,30,35,.28);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.about-sticker-1 { top: 8%; right: -8%; color: #1a2c33; transform: rotate(6deg); }
.about-sticker-2 { top: 46%; left: -10%; transform: rotate(-5deg); }
.about-sticker-3 { bottom: 4%; right: 4%; transform: rotate(2deg); }

.about-copy { font-size: 16px; line-height: 1.65; color: var(--ink-soft); }
.about-lede { font-size: 26px; line-height: 1.4; color: var(--ink); margin: 0 0 24px; letter-spacing: -0.015em; text-wrap: pretty; font-weight: 500; }
.about-lede .serif-it { font-size: 0.92em; }
.about-copy p { margin: 0 0 16px; text-wrap: pretty; }

.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 24px; }
.tag {
  display: inline-block; padding: 6px 12px;
  border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 12.5px; color: var(--ink-soft); font-weight: 500;
}
.tag-color {
  background: color-mix(in oklab, var(--tag-c) 14%, white);
  border-color: color-mix(in oklab, var(--tag-c) 30%, white);
  color: color-mix(in oklab, var(--tag-c) 70%, #1a2c33);
  font-weight: 600;
}
.about-signature { font-size: 15px; color: var(--ink); font-style: italic; margin-top: 8px; }

.cert-card {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none; color: inherit;
  margin-top: 20px; margin-bottom: 4px;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.cert-card:hover {
  border-color: var(--cert-teal, var(--teal));
  box-shadow: 0 6px 24px rgba(20,184,166,.13);
  transform: translateY(-2px);
}
.cert-card-icon {
  flex-shrink: 0; width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.cert-card-body { flex: 1; min-width: 0; }
.cert-card-name { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.3; }
.cert-card-sub { font-size: 13px; color: var(--muted); margin-top: 2px; }
.cert-card-arrow { flex-shrink: 0; opacity: .65; transition: opacity .15s, transform .15s; }
.cert-card:hover .cert-card-arrow { opacity: 1; transform: translateX(3px); }

@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; gap: 60px; }
  .about-portrait { max-width: 380px; }
  .about-sticker-1 { right: -4%; }
  .about-sticker-2 { left: -4%; }
}

/* ── Skills (carousel) ─────────────────────────────────────────────────── */
.skills-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
  margin-bottom: 40px;
}
.skills-head .sect-head { margin-bottom: 0; }

.carousel-ctrls { display: flex; gap: 8px; flex-shrink: 0; }
.carousel-btn {
  appearance: none;
  width: 44px; height: 44px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  display: grid; place-items: center;
  transition: border-color .15s, background .15s, transform .15s;
}
.carousel-btn:hover { border-color: var(--ink); transform: translateY(-1px); }

.skills-track {
  display: flex; gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 16px 24px 24px;
  scrollbar-width: none;
}
.skills-track::-webkit-scrollbar { display: none; }

.skill {
  flex: 0 0 calc(33.333% - 40px);
  scroll-snap-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.skill::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 80% at 50% 0%, var(--skill-tint, transparent) 0%, transparent 60%);
  opacity: .22;
  transition: opacity .25s;
}
.skill:hover { transform: translateY(-4px); box-shadow: 0 22px 56px rgba(15,30,35,.22); border-color: var(--skill-tint, var(--teal)); }
.skill:hover::before { opacity: .42; }

.skill-ring { position: relative; width: 180px; height: 180px; margin: 0 auto 24px; z-index: 1; }
.skill-ring svg { width: 100%; height: 100%; }
.skill-icon {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, calc(-50% - 22px));
  color: var(--skill-tint, var(--ink-soft));
}
.skill-icon svg { width: 28px; height: 28px; }
.skill-pct {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, calc(-50% + 22px));
  font-size: 30px; font-weight: 700; letter-spacing: -0.03em;
}
.skill-pct span { font-size: 14px; font-weight: 600; color: var(--muted); margin-left: 1px; }
.skill-label { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; z-index: 1; position: relative; }
.skill-sub { font-size: 13px; color: var(--muted); margin-top: 6px; z-index: 1; position: relative; }

.carousel-dots { display: flex; justify-content: center; gap: 6px; margin-top: 16px; }
.carousel-dot {
  width: 28px; height: 4px;
  border-radius: 999px;
  background: var(--line);
  border: 0;
  cursor: pointer;
  transition: background .2s, width .2s;
  padding: 0;
}
.carousel-dot-on { width: 44px; background: var(--teal); }

@media (max-width: 1100px) { .skill { flex: 0 0 calc(50% - 32px); } }
@media (max-width: 700px)  { .skill { flex: 0 0 calc(80% - 24px); } .skill-ring { width: 150px; height: 150px; } .skills-head { flex-direction: column; align-items: flex-start; } }

/* ── Stats ─────────────────────────────────────────────────────────────── */
.section-stats {
  background: var(--ink);
  color: #fff;
  padding: 88px 40px;
}
.section-stats-inner { max-width: 1180px; margin: 0 auto; }
.stats-eyebrow {
  font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 28px;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding: 24px 28px;
  border-left: 1px solid rgba(255,255,255,.1);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat-icon {
  margin-bottom: 18px;
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: color-mix(in oklab, currentColor 18%, transparent);
}
.stat-value {
  font-size: clamp(44px, 6.4vw, 76px);
  font-weight: 700; letter-spacing: -0.04em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-suffix { color: var(--teal); margin-left: 1px; }
.stat-label {
  font-size: 14px; color: rgba(255,255,255,.6);
  margin-top: 12px;
}

@media (max-width: 820px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat { border-left: 0; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); }
  .stat:nth-child(-n+2) { border-top: 0; }
}

/* ── Portfolio ─────────────────────────────────────────────────────────── */
.filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 32px;
}
.filter {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  font-size: 13.5px; font-weight: 500;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.filter:hover { border-color: var(--ink-soft); color: var(--ink); }
.filter-count {
  font-size: 11px; padding: 2px 7px; border-radius: 999px;
  background: var(--bg-soft); color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.filter-active .filter-count { background: rgba(255,255,255,.18); color: #fff; }

/* Tableau section gets 25% of the space beyond the standard 1180px cap */
#portfolio.section {
  max-width: calc(885px + 25vw);
}

.viz-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}
.viz-empty {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 15px;
  padding: 48px 0;
  text-align: center;
  margin: 0;
}
.viz-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(15,30,35,.05);
  transition: box-shadow .25s ease, border-color .25s;
}
.viz-card:hover {
  box-shadow: 0 12px 36px rgba(15,30,35,.12);
  border-color: rgba(20,184,166,.3);
}
.viz-card-embed {
  width: 100%;
  height: 700px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--bg-soft);
  margin-bottom: 14px;
  position: relative;
}
.viz-card-embed iframe {
  display: block;
  width: 100%;
  height: 700px;
  border: 0;
}
.viz-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 20px;
  background: linear-gradient(to top, rgba(15,30,35,.55) 0%, transparent 45%);
  opacity: 0;
  transition: opacity .2s ease;
  text-decoration: none;
}
.viz-card-embed:hover .viz-card-overlay { opacity: 1; }
.viz-card-overlay-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transform: translateY(6px);
  transition: transform .2s ease, box-shadow .2s ease;
}
.viz-card-embed:hover .viz-card-overlay-btn {
  transform: translateY(0);
  box-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.viz-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.viz-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.viz-card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: gap .15s;
}
.viz-card-link:hover { gap: 8px; }

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

/* ── Contact ───────────────────────────────────────────────────────────── */
.section-contact {
  max-width: 1180px; margin: 0 auto;
  padding: 140px 40px 60px;
  position: relative;
}
.section-contact::before {
  content: "";
  position: absolute;
  top: 8%; left: 8%;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,.4), rgba(20,184,166,.12) 45%, transparent 72%);
  pointer-events: none; z-index: -1;
  filter: blur(2px);
}
.section-contact::after {
  content: "";
  position: absolute;
  top: 30%; right: 5%;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,.35), rgba(139,92,246,.1) 45%, transparent 72%);
  pointer-events: none; z-index: -1;
  filter: blur(2px);
}

.contact-shout {
  margin-bottom: 80px;
  text-align: center;
}
.contact-shout-meta {
  display: inline-flex; gap: 24px; align-items: center;
  font-size: 13px; color: var(--ink-soft); font-weight: 500;
  margin-bottom: 32px;
  padding: 8px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(15,30,35,.06);
}
.contact-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--ink);
}
.contact-status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(34,197,94,.22);
  animation: pulse 2s ease-in-out infinite;
}
.contact-time {
  border-left: 1px solid var(--line);
  padding-left: 24px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
}

.contact-headline {
  margin: 0 0 32px;
  font-size: clamp(40px, 6.5vw, 88px);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.contact-headline .serif-it {
  font-size: 0.85em;
  letter-spacing: -0.04em;
}

.contact-email-big {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 32px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: clamp(16px, 1.6vw, 22px);
  font-weight: 500;
  letter-spacing: -0.01em;
  font-family: ui-monospace, Menlo, monospace;
  transition: transform .2s ease, background .2s;
}
.contact-email-big:hover { transform: translateY(-2px); background: #1a2c33; }

.contact-lede {
  font-size: 18px; color: var(--ink-soft); line-height: 1.6;
  margin: 0 0 32px; max-width: 480px;
  text-wrap: pretty;
}

.contact-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.contact-list li {
  display: flex; gap: 14px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px;
  background: #fff;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.contact-list li:hover { transform: translateX(4px); box-shadow: 0 8px 24px rgba(15,30,35,.08); }
.contact-icon { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; }
.contact-k { font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
.contact-list a { font-size: 14.5px; font-weight: 500; color: var(--ink); }

.contact-signature {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.contact-signature-name {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-style: italic;
  font-weight: 500;
  font-size: 36px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.04em;
}
.contact-signature-sub { font-size: 13px; color: var(--muted); margin-top: 8px; }

.contact-form {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 44px 36px 36px;
  display: flex; flex-direction: column; gap: 18px;
  box-shadow: 0 8px 24px rgba(15,30,35,.08), 0 32px 80px rgba(15,30,35,.18);
}
.contact-form-tag {
  position: absolute; top: -14px; left: 28px;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-style: italic;
  font-weight: 500;
  font-size: 13px;
  color: #fff;
  transform: rotate(-3deg);
}

.contact-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; }
.contact-form label > span:first-child { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--ink-soft); }
.contact-form input, .contact-form textarea {
  font-family: inherit; font-size: 14.5px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 0;
  background: #fff;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20,184,166,.18);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  padding: 9px 14px; font-size: 13px; font-weight: 500;
  border-radius: 999px; background: #fff; border: 1px solid var(--line);
  color: var(--ink-soft); cursor: pointer;
  transition: border-color .15s, color .15s;
}
.seg button:hover { border-color: var(--ink-soft); color: var(--ink); }

.contact-submit { margin-top: 6px; align-self: flex-start; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-row { grid-template-columns: 1fr; }
  .contact-shout-meta { flex-direction: column; gap: 8px; padding: 10px 16px; }
  .contact-time { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 8px; width: 100%; text-align: center; }
}

.footer {
  margin-top: 80px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted);
}
.footer-social { display: flex; gap: 14px; }
.footer-social a { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--bg-soft); color: var(--ink-soft); transition: background .15s, color .15s, transform .15s; }
.footer-social a:hover { transform: translateY(-2px); }
.footer-li { background: color-mix(in oklab, #0a66c2 14%, white) !important; color: #0a66c2 !important; }
.footer-li:hover { background: #0a66c2 !important; color: #fff !important; }
.footer-gh { background: color-mix(in oklab, #1a2c33 14%, white) !important; color: #1a2c33 !important; }
.footer-gh:hover { background: #1a2c33 !important; color: #fff !important; }

/* ── Mobile spacing tweaks ─────────────────────────────────────────────── */
@media (max-width: 700px) {
  .section, .section-contact, .section-skills, .section-stats { padding-left: 22px; padding-right: 22px; padding-top: 80px; padding-bottom: 80px; }
  .section-stats { padding: 60px 22px; }
  .contact-form { padding: 22px; }
}