:root {
  --bg: oklch(1 0 0);
  --bg-raised: oklch(0.965 0 0);
  --bg-sunk: oklch(0.97 0 0);
  --line: oklch(0.86 0 0);
  --line-dim: oklch(0.93 0 0);
  --text: oklch(0.22 0.015 50);
  --text-dim: oklch(0.42 0.012 55);
  --text-faint: oklch(0.58 0.01 60);
  --accent: #e07a1f;
  --accent-dim: #a85715;
  --red: oklch(0.72 0.15 25);
  --green: oklch(0.78 0.13 145);

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;

  --container: 1160px;
  --gutter: 48px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); overflow-x: clip; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body[data-chrome="off"] section.block::before { display: none; }
body[data-chrome="off"] .wordmark .dot,
body[data-chrome="off"] .section-head h2 .comment,
body[data-chrome="off"] .about-text .signature { display: none; }

a { color: inherit; text-decoration: none; }

.mono { font-family: var(--mono); }
.sans { font-family: var(--sans); }
.dim  { color: var(--text-dim); }
.faint{ color: var(--text-faint); }
.accent { color: var(--accent); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dim);
}
.site-header .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  height: 44px;
}
.wordmark .logo-img {
  height: 40px;
  width: auto;
  display: block;
}
/* Default: dark bg -> show light-wordmark logo */
.wordmark .logo-light-mode,
.hero-logo .logo-light-mode { display: none; }
.wordmark .logo-dark-mode,
.hero-logo .logo-dark-mode  { display: block; }
/* Paper tone -> flip */
body[data-tone="paper"] .wordmark .logo-dark-mode,
body[data-tone="paper"] .hero-logo .logo-dark-mode  { display: none; }
body[data-tone="paper"] .wordmark .logo-light-mode,
body[data-tone="paper"] .hero-logo .logo-light-mode { display: block; }

/* Hero logo — large, prominent */
.hero-logo {
  margin-bottom: 56px;
  display: inline-block;
}
.hero-logo-img {
  height: clamp(72px, 11vw, 120px);
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
}
.nav-links a {
  position: relative;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1px;
  background: var(--text-faint);
  vertical-align: middle;
  margin-right: 6px;
  transition: background 0.15s, width 0.15s;
}
.nav-links a:hover::before { background: var(--accent); width: 10px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--mono);
  font-size: 12px;
}

.avail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
}
.avail .pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
  box-shadow: 0 0 0 0 color-mix(in oklch, var(--green) 60%, transparent);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--green) 60%, transparent); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.lang-toggle {
  display: inline-flex;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  font-family: var(--mono);
}
.lang-toggle button {
  background: transparent;
  color: var(--text-dim);
  border: none;
  padding: 4px 9px;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: background 0.15s, color 0.15s;
}
.lang-toggle button:hover { color: var(--text); }
.lang-toggle button.active {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

/* ---------- HERO ---------- */
.hero {
  padding: 96px 0 96px;
  position: relative;
}
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero .eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(44px, 6.2vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 18ch;
  margin-bottom: 32px;
  color: var(--text);
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 400;
}
.hero .lede {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-dim);
  max-width: 56ch;
  margin-bottom: 56px;
  font-weight: 400;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 36px;
  border-top: 1px solid var(--line-dim);
  font-family: var(--mono);
  font-size: 12px;
}
.hero-meta .cell .k {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
  font-size: 10.5px;
}
.hero-meta .cell .v {
  color: var(--text);
  font-size: 13px;
}

/* ---------- SECTION CHROME ---------- */
section.block {
  padding: 96px 0;
  border-top: 1px solid var(--line-dim);
  position: relative;
}
section.block::before {
  content: attr(data-index);
  position: absolute;
  top: 16px;
  right: var(--gutter);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

.section-head {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.section-head .label {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 4px;
}
.section-head h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.018em;
  max-width: 22ch;
  color: var(--text);
}
.section-head h2 .comment {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0;
  margin-top: 16px;
  font-weight: 400;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  max-width: 62ch;
  margin-bottom: 20px;
}
.about-text p + p { color: var(--text-dim); }
.about-text .signature {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-faint);
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px dashed var(--line-dim);
}

.cert-badge {
  margin-top: 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: color-mix(in oklch, var(--accent) 2.5%, var(--bg));
  border-radius: 2px;
  max-width: 62ch;
  transition: border-color 0.2s, background 0.2s;
}
.cert-badge:hover {
  border-color: var(--accent-dim);
  border-left-color: var(--accent);
  background: color-mix(in oklch, var(--accent) 5%, var(--bg));
}
.cert-badge-mark {
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-badge-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.cert-badge-label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.cert-badge-title {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0;
}
.cert-badge-level {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  padding: 2px 8px;
  border-radius: 2px;
  margin-left: 4px;
  vertical-align: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cert-badge-desc {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

.about-aside {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.8;
}
.about-aside .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-dim);
}
.about-aside .row .k { color: var(--text-faint); flex-shrink: 0; }
.about-aside .row .v { color: var(--text); text-align: right; }

/* ---------- CAPABILITIES ---------- */
.caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-dim);
  border: 1px solid var(--line-dim);
}
.cap {
  background: var(--bg);
  padding: 40px 32px;
  transition: background 0.2s;
  position: relative;
}
.cap:hover { background: var(--bg-raised); }
.cap .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  display: block;
}
.cap h3 {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0;
  margin-bottom: 16px;
  color: var(--text);
}
.cap p {
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-dim);
}
.cap .tags {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

/* ---------- STACK (tiered, prose-style) ---------- */
.stack-tiers {
  border-top: 1px solid var(--line-dim);
}
.stack-tier {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line-dim);
  align-items: baseline;
}
.stack-tier-head {
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.stack-tier-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  padding-top: 4px;
}
.stack-tier-meta h4 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.stack-tier-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.stack-tier-items {
  font-family: var(--mono);
  color: var(--text-dim);
  letter-spacing: 0.01em;
  line-height: 1.7;
}
/* Type-size hierarchy: Tier 1 louder, Tier 3 softer */
.stack-tier.tier-1 h4 { font-size: 28px; }
.stack-tier.tier-1 .stack-tier-items { font-size: 16px; color: var(--text); }
.stack-tier.tier-2 h4 { font-size: 22px; }
.stack-tier.tier-2 .stack-tier-items { font-size: 14px; }
.stack-tier.tier-3 h4 { font-size: 18px; color: var(--text-dim); }
.stack-tier.tier-3 .stack-tier-items { font-size: 13px; color: var(--text-faint); }

.stack-note {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  padding: 24px 0 0;
  font-style: italic;
}

/* ---------- ENGAGEMENTS (changelog style) ---------- */
.log {
  border-top: 1px solid var(--line-dim);
}
.log-entry {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dim);
  transition: background 0.2s;
  align-items: start;
  position: relative;
}
.log-entry::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 34px;
  width: 12px;
  height: 1px;
  background: var(--text-faint);
  opacity: 0;
  transition: opacity 0.2s, left 0.2s;
}
.log-entry:hover::before { opacity: 1; left: -16px; background: var(--accent); }
.log-entry:hover { background: color-mix(in oklch, var(--accent) 3%, transparent); }

.log-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  padding-top: 4px;
}
.log-date .mo { color: var(--text-dim); }

.log-body .client {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.log-body h3 {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 18px;
  color: var(--text);
  letter-spacing: 0;
  margin-bottom: 8px;
}
.log-body p {
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 62ch;
  margin-bottom: 10px;
}
.log-body .tech {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.01em;
  line-height: 1.6;
}
.log-body .tech span { color: var(--text-dim); }

.log-role {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  text-align: right;
  padding: 4px 10px;
  border: 1px solid var(--line-dim);
  border-radius: 2px;
  white-space: nowrap;
}

.log-more {
  margin-top: 32px;
  text-align: center;
}
.log-more button {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  padding: 10px 20px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}
.log-more button:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ---------- INDUSTRIES ---------- */
.industries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-dim);
  border: 1px solid var(--line-dim);
}
.industry {
  background: var(--bg);
  padding: 28px 24px;
  transition: background 0.2s;
}
.industry:hover { background: var(--bg-raised); }
.industry .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 18px;
  display: block;
}
.industry h4 {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: 0;
}
.industry p {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- SIDE PROJECT ---------- */
.side-project {
  background: var(--bg-raised);
  border: 1px solid var(--line-dim);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.side-project .label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.side-project h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 32px;
  letter-spacing: -0.018em;
  margin-bottom: 16px;
  color: var(--text);
}
.side-project p {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.side-project .url-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 10px 16px;
  border-radius: 2px;
  transition: all 0.15s;
}
.side-project .url-btn:hover {
  background: var(--accent);
  color: var(--bg);
}
.side-project .url-btn .arrow { transition: transform 0.15s; }
.side-project .url-btn:hover .arrow { transform: translateX(3px); }

.terminal-preview {
  background: var(--bg-sunk);
  border: 1px solid var(--line-dim);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
  overflow: hidden;
}
.terminal-preview .chrome {
  background: var(--bg);
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}
.terminal-preview .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
}
.terminal-preview .chrome span { margin-left: 10px; }
.terminal-preview .body { padding: 16px 18px; color: var(--text-dim); }
.terminal-preview .prompt { color: var(--accent); }
.terminal-preview .out { color: var(--text); }
.terminal-preview .muted { color: var(--text-faint); }

/* ---------- CONTACT ---------- */
.contact {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 48px;
}
.contact-body { min-width: 0; }
.contact-link { min-width: 0; }
.contact-link .v { min-width: 0; overflow-wrap: anywhere; }
.contact-body h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 48px;
  max-width: 16ch;
}
.contact-body h2 em {
  font-style: normal;
  color: var(--accent);
}
.contact-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  background: var(--line-dim);
  border-top: 1px solid var(--line-dim);
  border-bottom: 1px solid var(--line-dim);
}
.contact-link {
  background: var(--bg);
  padding: 24px 0;
  display: flex;
  align-items: baseline;
  gap: 16px;
  transition: background 0.2s, padding-left 0.2s;
  padding-left: 0;
}
.contact-link:hover {
  background: var(--bg-raised);
  padding-left: 12px;
}
.contact-link .k {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-width: 70px;
}
.contact-link .v {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--text);
}
.contact-link:hover .v { color: var(--accent); }

/* ---------- FOOTER ---------- */
.site-footer {
  padding: 48px 0 72px;
  border-top: 1px solid var(--line-dim);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-footer .motto { color: var(--text-dim); }
.site-footer .motto em { color: var(--accent); font-style: normal; }

/* ---------- REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .contact { grid-template-columns: 1fr; }
  .contact-links { grid-template-columns: minmax(0, 1fr); }
  .caps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .section-head, .about-grid, .contact { grid-template-columns: 1fr; gap: 24px; }
  .caps { grid-template-columns: 1fr; }
  .stack-tier { grid-template-columns: 1fr; gap: 16px; padding: 28px 0; }
  .industries { grid-template-columns: repeat(2, 1fr); }
  .side-project { grid-template-columns: 1fr; padding: 28px; }
  .log-entry { grid-template-columns: 1fr; gap: 8px; }
  .log-role { justify-self: start; text-align: left; }
  .contact-links { grid-template-columns: minmax(0, 1fr); }
  .contact-link { flex-direction: column; align-items: flex-start; gap: 6px; }
  .contact-link .k { min-width: 0; }
  .nav-links { display: none; }
  .hero { padding: 72px 0 60px; }
  section.block { padding: 64px 0; }
}