:root {
  --paper: #f6f3ed;
  --paper-2: #efeadf;
  --paper-3: #e5ded0;
  --ink: #1a1915;
  --ink-soft: #3b3830;
  --muted: #726c60;
  --line: rgba(26, 25, 21, 0.14);
  --line-strong: rgba(26, 25, 21, 0.3);
  --green: #0f7a55;
  --accent: #1c49c9;
  --accent-ink: #fdfcf8;
  --shadow: 0 1px 0 rgba(26, 25, 21, 0.04), 0 18px 40px -32px rgba(26, 25, 21, 0.55);
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --shell: 1180px;
  --ease: cubic-bezier(0.22, 0.7, 0.2, 1);
}

html[data-theme="dark"] {
  --paper: #131310;
  --paper-2: #1b1b17;
  --paper-3: #23231d;
  --ink: #ece7db;
  --ink-soft: #d3ccbd;
  --muted: #928b7c;
  --line: rgba(236, 231, 219, 0.14);
  --line-strong: rgba(236, 231, 219, 0.32);
  --green: #4ade80;
  --accent: #7ea2ff;
  --accent-ink: #14130f;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 24px 48px -36px rgba(0, 0, 0, 0.8);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

html[data-theme="dark"] body::after {
  opacity: 0.055;
  mix-blend-mode: screen;
}

img {
  max-width: 100%;
  display: block;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p,
dl,
dd,
dt,
ol,
ul,
figure {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

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

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 28px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 14px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 12px 30px -28px rgba(26, 25, 21, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.02em;
  padding-top: 1px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.brand-role {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-size: 0.88rem;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 7px;
  border: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--line);
}

.theme-toggle-value {
  color: var(--ink);
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-solid {
  background: var(--ink);
  color: var(--paper);
}

.btn-solid:hover {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 14px 30px -20px var(--accent);
}

.btn-outline {
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--ink);
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}

.header-resume {
  padding: 8px 14px;
  font-size: 0.82rem;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
}

.btn-ext {
  font-size: 0.9em;
  opacity: 0.7;
}

.link-arrow {
  font-size: 0.88rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.link-arrow:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* hero */
.hero {
  padding: 92px 0 76px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  gap: 0;
}

.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-meta .mono {
  font-size: inherit;
}

.hero-meta .sep {
  color: var(--line-strong);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(15, 122, 85, 0.16);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 18%, transparent);
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(15, 122, 85, 0.2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 20%, transparent);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(15, 122, 85, 0.06);
    box-shadow: 0 0 0 7px color-mix(in srgb, var(--green) 6%, transparent);
  }
}

.hero-name {
  margin-top: 26px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7.4vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.hero-body {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 44px;
}

.hero-tagline {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  max-width: 24ch;
}

.hero-tagline em {
  font-style: italic;
  color: var(--accent);
}

.hero-intro {
  color: var(--muted);
  font-size: 1rem;
  max-width: 54ch;
  padding-top: 6px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.hero-stats div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-stats dt {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.hero-stats dd {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
  max-width: 22ch;
}

/* lens */
.lens-section {
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  background: color-mix(in srgb, var(--paper-2) 55%, var(--paper));
}

.lens-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  padding-block: 40px;
  align-items: center;
}

.lens-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.015em;
}

.lens-note {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 46ch;
}

.lens-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lens-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.lens-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
  transform: translateY(-1px);
}

.lens-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.lens-status {
  margin-top: 14px;
  font-size: 0.66rem;
  color: var(--muted);
}

/* sections */
.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 20px;
  row-gap: 8px;
  margin-bottom: 52px;
  align-items: baseline;
}

.section-num {
  color: var(--accent);
  font-size: 0.72rem;
  padding-top: 12px;
}

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.section-note {
  grid-column: 2;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 62ch;
}

/* projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px 40px;
}

.project-card {
  display: flex;
  flex-direction: column;
  transition: opacity 0.45s var(--ease);
}

.project-card.is-aside {
  opacity: 0.38;
}

.project-card.is-aside:hover,
.project-card.is-aside:focus-within {
  opacity: 0.85;
}

.project-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
}

.project-index {
  color: var(--muted);
  font-size: 0.7rem;
}

.project-sub {
  color: var(--muted);
  font-size: 0.7rem;
  text-align: right;
}

.project-figure {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow);
}

.project-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92);
  transition: transform 0.9s var(--ease), filter 0.5s var(--ease);
}

.project-card:hover .project-figure img,
.project-card:focus-within .project-figure img {
  transform: scale(1.035);
  filter: saturate(1.05);
}

.project-card.is-aside .project-figure img {
  filter: grayscale(1);
}

.project-title {
  margin-top: 22px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.55rem;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

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

.project-tech {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.7;
}

.project-desc {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 60ch;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.disclosure {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 6px 0;
}

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

.disclosure-mark {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 0.8rem;
  line-height: 1;
  transition: transform 0.35s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.disclosure[aria-expanded="true"] .disclosure-mark {
  transform: rotate(45deg);
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.project-details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}

.project-details > div {
  overflow: hidden;
}

.project-card.is-open .project-details {
  grid-template-rows: 1fr;
}

.project-details ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 0 4px;
}

.project-details li {
  position: relative;
  padding-left: 22px;
  font-size: 0.87rem;
  color: var(--muted);
  line-height: 1.6;
}

.project-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

/* experience */
.timeline {
  display: flex;
  flex-direction: column;
}

.timeline-entry {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 36px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.timeline-entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline-date {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 6px;
  line-height: 1.7;
}

.timeline-date span {
  display: block;
  color: var(--line-strong);
}

.timeline-company {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.timeline-role {
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.timeline-place {
  margin-top: 2px;
  font-size: 0.78rem;
  color: var(--muted);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.timeline-tags .tag {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  max-width: 78ch;
}

.timeline-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.65;
}

.timeline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 1px;
  background: var(--line-strong);
}

/* stack */
.stack-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.skills-category + .skills-category {
  margin-top: 44px;
}

.skills-heading {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.skill-rows {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
}

.skill-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

.skill-lead {
  flex: 1;
  border-bottom: 1px dotted var(--line-strong);
  transform: translateY(-3px);
  min-width: 12px;
}

.skill-note {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.edu-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  background: var(--paper-2);
}

.edu-school {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.015em;
}

.edu-place {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 2px;
}

.edu-degree {
  margin-top: 16px;
  font-size: 0.92rem;
}

.edu-dates {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}

.edu-coursework {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
}

.certs {
  margin-top: 44px;
}

.side-heading {
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.cert-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.cert-list li span {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--line-strong);
  padding-top: 3px;
}

/* contact */
.contact {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: start;
}

.contact-pitch {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  max-width: 26ch;
}

.contact-pitch em {
  font-style: italic;
  color: var(--accent);
}

.contact-resume-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.8;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-2);
  padding: 32px;
  box-shadow: var(--shadow);
}

.contact-email {
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.6vw, 1.85rem);
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
  word-break: break-word;
}

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

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 28px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.contact-details dt {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 5px;
}

.contact-details dd {
  font-size: 0.9rem;
}

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

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.copy-feedback {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin-left: 4px;
  align-self: center;
}

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 48px;
}

.footer-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-eof {
  color: var(--accent);
}

.footer-note {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-note a {
  border-bottom: 1px solid var(--line-strong);
}

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

.footer-copy {
  font-size: 0.64rem;
  color: var(--muted);
}

.noscript {
  padding: 20px 28px;
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

@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;
  }

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

@media (max-width: 1020px) {
  .hero-body {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-tagline {
    max-width: 30ch;
  }

  .lens-inner,
  .stack-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .stack-side {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    align-items: start;
  }

  .certs {
    margin-top: 0;
  }
}

@media (max-width: 820px) {
  .shell {
    padding-inline: 20px;
  }

  .brand-role,
  .theme-toggle-label {
    display: none;
  }

  .site-nav {
    gap: 18px;
    font-size: 0.82rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    white-space: nowrap;
  }

  .header-inner {
    gap: 16px;
  }

  .hero {
    padding-top: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .project-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-date {
    padding-top: 0;
  }

  .timeline-date span {
    display: inline;
    margin-left: 8px;
  }

  .section-head {
    grid-template-columns: 1fr;
    margin-bottom: 36px;
  }

  .section-note {
    grid-column: 1;
  }

  .section-num {
    padding-top: 0;
  }

  .contact-card {
    padding: 24px;
  }
}

@media (max-width: 620px) {
  html {
    scroll-padding-top: 112px;
  }

  .header-inner {
    flex-wrap: wrap;
    column-gap: 12px;
    padding-top: 10px;
  }

  .brand {
    margin-right: auto;
  }

  .header-tools {
    margin-left: 0;
  }

  .site-nav {
    order: 3;
    flex-basis: 100%;
    margin: 2px 0 0;
    padding-bottom: 10px;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.8rem;
    overflow: visible;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 20px;
  }

  .skill-rows,
  .stack-side,
  .contact-details {
    grid-template-columns: 1fr;
  }

  .header-resume .btn-ext {
    display: none;
  }

  .brand-text {
    display: none;
  }
}

@media print {
  .site-header,
  .lens-section,
  .site-footer,
  .hero-actions,
  .project-actions,
  .contact-actions {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  body::after {
    display: none;
  }

  .project-details {
    grid-template-rows: 1fr;
  }

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