:root {
  color-scheme: light;
  --bg: #f8f8f8;
  --surface: #ffffff;
  --surface-soft: #f1f1f1;
  --ink: #111111;
  --muted: #555555;
  --subtle: #777777;
  --line: #dddddd;
  --soft: #eeeeee;
  --grid: rgba(0, 0, 0, 0.035);
  --dock-bg: rgba(255, 255, 255, 0.76);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.10);
  --button-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111111;
  --surface: #181818;
  --surface-soft: #232323;
  --ink: #f8f8f8;
  --muted: #bbbbbb;
  --subtle: #999999;
  --line: #333333;
  --soft: #242424;
  --grid: rgba(255, 255, 255, 0.045);
  --dock-bg: rgba(24, 24, 24, 0.78);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --button-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.72), transparent 34%),
    radial-gradient(circle at 92% 4%, rgba(0, 0, 0, 0.055), transparent 28%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 74px 74px, 74px 74px, auto;
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: -18%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 28%, rgba(255, 255, 255, 0.38), transparent 34%),
    linear-gradient(115deg, transparent 0 38%, rgba(255, 255, 255, 0.30) 46%, transparent 58%);
  opacity: 0.46;
  transform: translate3d(-2%, -1%, 0) rotate(0.001deg);
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.06), transparent 34%),
    radial-gradient(circle at 92% 4%, rgba(255, 255, 255, 0.04), transparent 28%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 74px 74px, 74px 74px, auto;
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(circle at 18% 28%, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(115deg, transparent 0 38%, rgba(255, 255, 255, 0.08) 46%, transparent 58%);
  opacity: 0.6;
}

a,
button {
  font: inherit;
}

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

button {
  border: 0;
}

a:hover,
button:hover {
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid rgba(127, 127, 127, 0.42);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 24px;
  top: -48px;
  z-index: 40;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  transition: top 0.2s ease;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.top-dock {
  position: fixed;
  top: 18px;
  right: clamp(12px, 3vw, 28px);
  left: auto;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: calc(100% - 24px);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--dock-bg);
  box-shadow: var(--button-shadow);
  padding: 7px;
  transform: none;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.top-dock::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(100deg, transparent 0 28%, rgba(255, 255, 255, 0.5) 42%, transparent 58% 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-60%);
  transition:
    opacity 0.2s ease,
    transform 0.38s ease;
}

.top-dock:hover::after {
  opacity: 0.75;
  transform: translateX(60%);
}

.dock-controls,
.controls {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
}

.dock-controls {
  gap: 6px;
}

.dock-button {
  display: grid;
  place-items: center;
  min-width: 38px;
  height: 38px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
}

.dock-button {
  background: transparent;
  cursor: pointer;
  padding: 0 13px;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.dock-button:hover,
.dock-button.is-active {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
}

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

.dock-icon {
  position: relative;
  width: 38px;
  min-width: 38px;
  padding: 0;
}

.dock-divider {
  display: block;
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: linear-gradient(180deg, transparent, var(--line), transparent);
}

.lang-toggle {
  font-size: 0.8rem;
  font-weight: 850;
}

.theme-toggle,
.resume-link {
  font-size: 0;
}

.theme-icon,
.resume-icon {
  position: relative;
  display: block;
  color: currentColor;
}

.theme-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.8px solid currentColor;
  background: transparent;
}

.theme-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition:
    background 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.theme-icon::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid transparent;
  background:
    linear-gradient(currentColor 0 0) top center / 1px 4px no-repeat,
    linear-gradient(currentColor 0 0) bottom center / 1px 4px no-repeat,
    linear-gradient(90deg, currentColor 0 0) center left / 4px 1px no-repeat,
    linear-gradient(90deg, currentColor 0 0) center right / 4px 1px no-repeat;
  opacity: 0.7;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

[data-theme="dark"] .theme-icon::before {
  width: 15px;
  height: 15px;
  background: transparent;
  box-shadow: inset -5px -2px 0 currentColor;
  transform: translate(-50%, -50%) rotate(-18deg);
}

[data-theme="dark"] .theme-icon::after {
  opacity: 0;
  transform: scale(0.72) rotate(18deg);
}

.resume-icon {
  width: 15px;
  height: 18px;
  border: 1.8px solid currentColor;
  border-radius: 3px;
}

.resume-icon::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 3px;
  width: 7px;
  height: 1.6px;
  background: currentColor;
  box-shadow: 0 4px 0 currentColor;
}

.resume-icon::after {
  content: "";
  position: absolute;
  top: -1.8px;
  right: -1.8px;
  width: 6px;
  height: 6px;
  border-left: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  border-radius: 0 2px 0 2px;
  background: var(--surface);
}

.resume-link::after {
  content: attr(data-resume-meta);
  position: absolute;
  right: -3px;
  bottom: -2px;
  display: grid;
  place-items: center;
  min-width: 21px;
  height: 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.48rem;
  font-weight: 850;
  line-height: 1;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: center;
  min-height: min(520px, calc(100svh - 18px));
  padding: 64px 0 18px;
}

.hero-stage {
  position: relative;
  justify-self: center;
  width: min(680px, 100%);
  padding-top: 0;
}

.hero-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(126px, 18vw, 148px);
  align-items: center;
  gap: clamp(18px, 4vw, 34px);
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--surface);
  background-size: 38px 38px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: clamp(24px, 3vw, 34px) clamp(26px, 3vw, 40px);
  transition:
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -30%;
  z-index: 0;
  background: linear-gradient(110deg, transparent 0 42%, rgba(255, 255, 255, 0.42) 50%, transparent 58% 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-28%);
  transition:
    opacity 0.22s ease,
    transform 0.45s ease;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(127, 127, 127, 0.10);
  border-radius: 20px;
  pointer-events: none;
}

.hero-card:hover {
  border-color: color-mix(in srgb, var(--ink) 28%, var(--line));
  box-shadow: 0 24px 76px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

.hero-card:hover::before {
  opacity: 1;
  transform: translateX(24%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 430px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: 2.55rem;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h3,
h4 {
  margin-bottom: 6px;
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.hero-role {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 780;
}

.hero-summary {
  max-width: 390px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.brand-tagline {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 850;
}

.hero-signal-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 420px;
}

.signal-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 760;
  line-height: 1.1;
  padding: 6px 10px;
  white-space: nowrap;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

.signal-chip:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-1px);
}

.hero-photo-shell {
  position: relative;
  justify-self: end;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  box-shadow:
    0 18px 46px rgba(0, 0, 0, 0.16),
    0 0 0 8px rgba(255, 255, 255, 0.32);
  padding: 8px;
}

.hero-photo-shell::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(127, 127, 127, 0.24);
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.26),
    0 0 34px rgba(0, 0, 0, 0.12);
  opacity: 0.9;
  pointer-events: none;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-soft);
  transition: transform 1.2s ease;
}

.hero-photo-shell:hover .profile-photo {
  transform: rotate(360deg);
}

.background-label {
  position: relative;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--dock-bg);
  box-shadow: var(--button-shadow);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 820;
  letter-spacing: 0.14em;
  padding: 7px 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.background-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow:
    10px 0 0 rgba(127, 127, 127, 0.3),
    20px 0 0 rgba(127, 127, 127, 0.16);
}

.about-section {
  width: 100%;
  padding: 0 clamp(14px, 4vw, 46px) clamp(30px, 5vw, 46px);
}

.about-wrap {
  display: grid;
  gap: 12px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.about-row {
  position: relative;
  display: grid;
  min-height: 72px;
  border: 1px solid rgba(127, 127, 127, 0.12);
  border-radius: 999px;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    color-mix(in srgb, var(--surface) 90%, transparent);
  background-size: 38px 38px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.07);
  overflow: hidden;
  padding: 14px clamp(44px, 5vw, 58px);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.about-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 46%, rgba(255, 255, 255, 0.28) 50%, transparent 55% 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-38%);
  transition:
    opacity 0.2s ease,
    transform 0.42s ease;
}

.about-row:hover {
  border-color: color-mix(in srgb, var(--ink) 22%, var(--line));
  box-shadow: 0 20px 64px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.about-row:hover::before {
  opacity: 1;
  transform: translateX(38%);
}

.about-main {
  position: relative;
  z-index: 1;
  align-self: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.about-copy {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-point {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 740;
  line-height: 1.1;
  padding: 6px 11px;
}

.background-section {
  width: 100%;
  padding: 0 clamp(14px, 4vw, 46px) clamp(34px, 6vw, 56px);
}

.background-board {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.5vw, 34px);
  width: min(1180px, 100%);
  margin: 0 auto;
}

.background-board::before {
  content: "";
  position: absolute;
  inset: 18px auto 8px 18px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.24), transparent);
  opacity: 0.28;
  pointer-events: none;
}

.background-group {
  position: relative;
  display: grid;
  gap: 12px;
}

.background-label {
  margin: 0;
}

.background-list {
  display: grid;
  gap: 10px;
}

.background-row {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(10px, 2vw, 18px);
  min-height: 72px;
  border: 1px solid rgba(127, 127, 127, 0.12);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.07);
  padding: 12px clamp(16px, 2.5vw, 22px);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.background-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 47%, rgba(255, 255, 255, 0.24) 50%, transparent 55% 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-34%);
  transition:
    opacity 0.18s ease,
    transform 0.4s ease;
}

.background-row:hover {
  border-color: color-mix(in srgb, var(--ink) 20%, var(--line));
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.13);
  transform: translateX(4px);
}

.background-row:hover::before {
  opacity: 1;
  transform: translateX(34%);
}

.background-row.is-expanded {
  align-items: start;
  border-radius: 28px;
}

[data-theme="dark"] .background-row {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.org-mark {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 0.66rem;
  font-weight: 900;
  overflow: hidden;
}

.org-logo {
  display: block;
  width: 76%;
  height: 76%;
  object-fit: contain;
}

.row-main {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.row-main h4 {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.row-main p,
.row-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.row-date {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: end;
  color: var(--subtle);
  font-weight: 650;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.row-arrow {
  display: inline-grid;
  place-items: center;
  color: var(--ink);
  font-size: 1.32rem;
  font-weight: 400;
  line-height: 0.8;
  letter-spacing: 0;
}

.name-link-arrow {
  opacity: 0;
  transform: translateX(-4px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
}

.background-row:hover .name-link-arrow,
.name-link-arrow:focus-visible {
  opacity: 1;
  transform: translateX(0);
}

.detail-toggle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition:
    background 0.16s ease,
    transform 0.16s ease;
}

.detail-toggle:hover,
.detail-toggle:focus-visible {
  background: var(--surface-soft);
}

.detail-toggle.is-expanded {
  transform: rotate(90deg);
}

.row-detail {
  position: relative;
  z-index: 1;
  grid-column: 2 / -1;
  min-height: 34px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
  padding-top: 10px;
}

.row-detail[hidden] {
  display: none;
}

.terminal-detail {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.terminal-line {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.terminal-key {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 850;
}

.terminal-key::before {
  content: "$";
  margin-right: 6px;
  color: var(--subtle);
}

.tech-stack {
  padding-bottom: 6px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.tech-card {
  position: relative;
  min-width: 0;
  border: 1px solid rgba(127, 127, 127, 0.12);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.06);
  padding: 14px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.tech-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0 48%, rgba(255, 255, 255, 0.35) 50%, transparent 54% 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-42%);
  transition:
    opacity 0.18s ease,
    transform 0.38s ease;
}

.tech-card:hover {
  border-color: color-mix(in srgb, var(--ink) 18%, var(--line));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  transform: translateY(-3px);
}

.tech-card:hover::before {
  opacity: 1;
  transform: translateX(42%);
}

[data-theme="dark"] .tech-card {
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.26);
}

.tech-card h4 {
  margin-bottom: 10px;
}

.tech-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
  line-height: 1.1;
  padding: 6px 9px;
  white-space: nowrap;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

.tech-chip::before {
  content: attr(data-icon);
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.58rem;
  font-weight: 850;
  line-height: 1;
}

.tech-chip::after {
  content: attr(data-skill);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  z-index: 5;
  width: max-content;
  max-width: 190px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
  font-size: 0.72rem;
  font-weight: 720;
  line-height: 1.2;
  opacity: 0;
  padding: 7px 10px;
  pointer-events: none;
  transform: translate(-50%, 4px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
}

.tech-chip:hover::after,
.tech-chip:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.tech-chip:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-1px);
}

@keyframes aura-shift {
  from {
    transform: translate3d(-3%, -1%, 0) rotate(0.001deg);
  }

  to {
    transform: translate3d(3%, 1%, 0) rotate(0.001deg);
  }
}

@keyframes pulse-ring {
  from {
    opacity: 0.58;
    transform: scale(0.98);
  }

  to {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  body::before {
    animation: aura-shift 14s ease-in-out infinite alternate;
  }

  .hero-photo-shell::before {
    animation: pulse-ring 2.8s ease-in-out infinite alternate;
  }

  .hero-card,
  .about-wrap,
  .background-group {
    animation: rise-in 0.55s ease both;
  }

  .about-wrap {
    animation-delay: 0.08s;
  }

  .background-group:nth-child(2) {
    animation-delay: 0.08s;
  }

  .background-group:nth-child(3) {
    animation-delay: 0.14s;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 900px) {
  .hero-card {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: clamp(24px, 5vw, 34px);
  }

  .hero-copy {
    order: 2;
    max-width: none;
    text-align: center;
  }

  .hero-photo-shell {
    order: 1;
    justify-self: center;
    width: 138px;
  }

  .background-row {
    grid-template-columns: 60px minmax(0, 1fr);
    border-radius: 32px;
  }

  .row-date {
    grid-column: 2;
    justify-self: start;
    white-space: normal;
  }

  .about-main {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    background-size: auto, auto, 52px 52px, 52px 52px, auto;
  }

  .top-dock {
    top: 12px;
    right: 12px;
    gap: 4px;
    padding: 6px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .top-dock::-webkit-scrollbar {
    display: none;
  }

  .dock-button {
    min-width: 34px;
    height: 34px;
    font-size: 0.76rem;
    padding-left: 10px;
    padding-right: 10px;
  }

  .dock-icon {
    width: 34px;
    min-width: 34px;
    padding: 0;
  }

  .section {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    min-height: auto;
    padding: 88px 0 36px;
  }

  .hero-stage {
    padding-top: 0;
  }

  .hero-card {
    min-height: auto;
    border-radius: 24px;
    padding: 24px 22px;
  }

  .hero-card::after {
    inset: 12px;
    border-radius: 20px;
  }

  h1 {
    font-size: 2.18rem;
  }

  .hero-role {
    font-size: 1rem;
  }

  .hero-summary {
    font-size: 0.9rem;
  }

  .background-section {
    padding-left: 0;
    padding-right: 0;
  }

  .about-section {
    padding-left: 0;
    padding-right: 0;
  }

  .about-wrap {
    width: 100%;
  }

  .about-row {
    width: calc(100% - 28px);
    margin: 0 auto;
    border-radius: 28px;
    padding: 18px 20px;
  }

  .background-board {
    gap: 40px;
  }

  .background-row {
    margin: 0 14px;
    padding: 14px;
  }

  .background-label {
    margin-left: 14px;
  }

  .row-main h4 {
    font-size: 1rem;
  }

  .tech-grid {
    grid-template-columns: 1fr;
    margin: 0 14px;
  }

  .tech-card {
    padding: 16px;
  }

  .tech-chip {
    font-size: 0.8rem;
  }
}