:root {
  color-scheme: dark;
  --ink: #f8fbff;
  --muted: #a8bbcb;
  --muted-strong: #d7e6f5;
  --bg: #05070d;
  --surface: rgba(9, 16, 27, 0.72);
  --surface-strong: rgba(10, 19, 31, 0.92);
  --line: rgba(148, 235, 255, 0.22);
  --cyan: #4feaff;
  --lime: #8cff6a;
  --amber: #ffd166;
  --coral: #ff6f61;
  --pink: #ff5c96;
  --violet: #a986ff;
  --shadow: 0 26px 82px rgba(0, 0, 0, 0.46);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background:
    linear-gradient(118deg, rgba(79, 234, 255, 0.13), transparent 30%),
    linear-gradient(242deg, rgba(140, 255, 106, 0.11), transparent 34%),
    linear-gradient(0deg, #05070d 0%, #090e18 48%, #070d12 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(79, 234, 255, 0.055) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(255, 209, 102, 0.038) 0 1px, transparent 1px 92px),
    linear-gradient(140deg, transparent 0 18%, rgba(255, 92, 150, 0.07) 34%, transparent 54%),
    linear-gradient(32deg, transparent 0 42%, rgba(140, 255, 106, 0.06) 58%, transparent 72%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 18%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.028) 0 1px, transparent 1px 6px);
  mix-blend-mode: screen;
  opacity: 0.68;
}

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

#field {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--max));
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid rgba(79, 234, 255, 0.26);
  border-radius: 8px;
  background: rgba(4, 9, 16, 0.72);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
  overflow: hidden;
  transition: background 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--lime), var(--coral), transparent);
  opacity: 0.74;
}

.site-header[data-elevated="true"] {
  border-color: rgba(79, 234, 255, 0.46);
  background: rgba(4, 9, 16, 0.94);
  box-shadow: var(--shadow);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: 0;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(79, 234, 255, 0.54);
  border-radius: 8px;
  background: rgba(7, 17, 31, 0.82);
  box-shadow:
    0 0 22px rgba(79, 234, 255, 0.38),
    inset 0 0 16px rgba(255, 209, 102, 0.08);
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand span:last-child {
  color: #e8f7ff;
  white-space: nowrap;
}

.nav {
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
}

.nav a {
  min-height: 38px;
  padding: 9px 11px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 900;
  transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a.is-active {
  color: var(--ink);
  background: rgba(79, 234, 255, 0.13);
  box-shadow: inset 0 -2px 0 rgba(140, 255, 106, 0.48);
  outline: none;
}

main {
  position: relative;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 84svh;
  padding: 132px 0 72px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 14% 0 auto;
  height: 58%;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(79, 234, 255, 0.18), transparent 28%),
    linear-gradient(270deg, rgba(255, 209, 102, 0.18), transparent 34%);
  clip-path: polygon(0 16%, 88% 0, 100% 82%, 10% 100%);
  opacity: 0.42;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 96px;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(5, 7, 13, 0.9));
}

.hero-visual {
  position: absolute;
  top: 112px;
  right: max(20px, calc((100vw - var(--max)) / 2));
  bottom: 64px;
  width: min(46vw, 548px);
  min-width: 390px;
  pointer-events: none;
  opacity: 0.88;
}

.hero-visual img {
  position: absolute;
  inset: 4% 0 0;
  width: 100%;
  height: 92%;
  border-radius: 8px;
  object-fit: cover;
  filter: saturate(1.24) contrast(1.08);
  opacity: 0.76;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 78%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 78%, transparent 100%);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 6% 8% 18%;
  border: 1px solid rgba(79, 234, 255, 0.28);
  border-radius: 8px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 24px);
  transform: skewX(-8deg);
  opacity: 0.52;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(79, 234, 255, 0.32);
  border-radius: 50%;
  transform: rotate(-18deg);
  animation: orbit-spin 18s linear infinite;
}

.orbit-one {
  inset: 22% 6% 23% 28%;
}

.orbit-two {
  inset: 14% 18% 16% 4%;
  border-color: rgba(140, 255, 106, 0.28);
  animation-duration: 26s;
  animation-direction: reverse;
}

.orbit-three {
  inset: 32% 26% 28% 20%;
  border-color: rgba(255, 209, 102, 0.26);
  animation-duration: 13s;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.eyebrow,
.section-kicker,
.tag {
  margin: 0;
  color: var(--cyan);
  font-size: 0.8125rem;
  font-weight: 900;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(79, 234, 255, 0.28);
  border-radius: 6px;
  background: rgba(79, 234, 255, 0.1);
  box-shadow: inset 0 0 18px rgba(79, 234, 255, 0.08);
}

.hero h1 {
  max-width: 840px;
  margin: 18px 0 20px;
  color: #ffffff;
  font-size: 8.75rem;
  line-height: 0.86;
  letter-spacing: 0;
  text-shadow:
    0 0 28px rgba(79, 234, 255, 0.42),
    0 0 70px rgba(255, 92, 150, 0.22);
}

.hero h1 span {
  display: block;
  width: max-content;
  max-width: 100%;
  margin-top: 14px;
  padding: 0 10px 6px 0;
  color: transparent;
  font-size: 2.125rem;
  line-height: 1.15;
  letter-spacing: 0;
  background: linear-gradient(90deg, var(--cyan), var(--lime), var(--amber), var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-copy {
  max-width: 760px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 1.375rem;
  line-height: 1.78;
  font-weight: 800;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.46);
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.signal-row span {
  min-width: 118px;
  padding: 12px 16px;
  border: 1px solid rgba(79, 234, 255, 0.3);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(8, 18, 29, 0.68);
  box-shadow:
    inset 0 0 22px rgba(79, 234, 255, 0.07),
    0 12px 34px rgba(0, 0, 0, 0.2);
  font-weight: 900;
  text-align: center;
}

.signal-row span:nth-child(1) {
  border-color: rgba(79, 234, 255, 0.5);
  color: var(--cyan);
}

.signal-row span:nth-child(2) {
  border-color: rgba(140, 255, 106, 0.46);
  color: var(--lime);
}

.signal-row span:nth-child(3) {
  border-color: rgba(255, 111, 97, 0.48);
  color: #ffb8b1;
}

.hero-readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, max-content));
  gap: 10px;
  margin-top: 18px;
  color: rgba(215, 230, 245, 0.8);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.8125rem;
  text-transform: uppercase;
}

.hero-readout span {
  padding: 8px 10px;
  border-left: 2px solid var(--cyan);
  background: rgba(79, 234, 255, 0.08);
}

.mission-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 900px;
  margin-top: 28px;
}

.mission-strip span {
  min-height: 62px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  color: var(--muted);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(7, 13, 22, 0.68);
  font-size: 0.9375rem;
  line-height: 1.45;
}

.mission-strip strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-family: Consolas, "SFMono-Regular", monospace;
  text-transform: uppercase;
}

.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 96px 0;
}

.intro-band,
.highlights-band,
.goals-band {
  position: relative;
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.intro-band {
  background:
    linear-gradient(90deg, rgba(79, 234, 255, 0.11), rgba(255, 92, 150, 0.07)),
    rgba(5, 7, 13, 0.6);
}

.highlights-band {
  background:
    linear-gradient(90deg, rgba(140, 255, 106, 0.1), rgba(79, 234, 255, 0.08)),
    rgba(5, 7, 13, 0.66);
}

.goals-band {
  background:
    linear-gradient(90deg, rgba(255, 209, 102, 0.12), rgba(169, 134, 255, 0.08)),
    rgba(5, 7, 13, 0.66);
}

.intro-band::after,
.highlights-band::after,
.goals-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 30px);
  opacity: 0.44;
}

.section-grid,
.privacy-section {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.45fr);
  gap: 54px;
  align-items: start;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-lead {
  margin: 16px 0 0;
  color: var(--muted-strong);
  font-size: 1.125rem;
  line-height: 1.75;
}

h2,
h3,
p,
strong,
span {
  overflow-wrap: anywhere;
}

h2 {
  margin: 8px 0 0;
  font-size: 3.5rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 12px;
  font-size: 1.5625rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.prose p,
.privacy-section p,
.highlight-item p,
.info-panel p,
.project-card p {
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.contact-email {
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-weight: 900;
  text-decoration: underline;
  text-decoration-color: rgba(79, 234, 255, 0.42);
  text-underline-offset: 0.22em;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--lime);
  outline: none;
}

.prose p {
  margin: 0 0 18px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.projects-section {
  padding-bottom: 104px;
}

.projects-heading {
  margin-bottom: 24px;
}

.review-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin: 0 0 22px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 209, 102, 0.32);
  border-left: 3px solid var(--amber);
  border-radius: 7px;
  background: rgba(255, 209, 102, 0.07);
}

.review-mark {
  padding: 4px 7px;
  border: 1px solid rgba(255, 209, 102, 0.5);
  border-radius: 4px;
  color: var(--amber);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.review-note p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 1rem;
  line-height: 1.75;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.evidence-card {
  display: flex;
  flex-direction: column;
  min-height: 568px;
}

.project-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.project-title-row h3 {
  margin-bottom: 12px;
}

.project-status {
  margin-top: 16px;
  padding: 5px 7px;
  border: 1px solid rgba(255, 209, 102, 0.38);
  border-radius: 4px;
  color: var(--amber);
  background: rgba(255, 209, 102, 0.08);
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
}

.evidence-facts {
  display: grid;
  gap: 10px;
  margin: 12px 0 20px;
}

.evidence-facts div {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.evidence-facts dt {
  color: var(--accent);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  font-weight: 900;
}

.evidence-facts dd {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.evidence-slot {
  margin-top: auto;
  padding: 16px;
  border: 1px dashed color-mix(in srgb, var(--accent) 54%, transparent);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.evidence-slot span {
  display: block;
  color: var(--accent);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.evidence-slot p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.project-details {
  margin-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.project-details summary {
  padding: 14px 0 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 900;
  list-style: none;
}

.project-details summary::-webkit-details-marker {
  display: none;
}

.project-details summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 1.125rem;
  line-height: 0.85;
}

.project-details[open] summary::after {
  content: "−";
}

.project-detail-body {
  display: grid;
  gap: 12px;
  padding: 14px 0 4px;
}

.project-detail-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.project-detail-body strong {
  color: var(--muted-strong);
}

.detail-list {
  display: grid;
  gap: 7px;
  margin: -2px 0 4px;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.detail-list li::marker {
  color: var(--accent);
}

.basketball-evidence {
  --accent: var(--coral);
  --spot: rgba(255, 111, 97, 0.18);
}

.piano-evidence {
  --accent: var(--lime);
  --spot: rgba(140, 255, 106, 0.18);
}

.ai-evidence {
  --accent: var(--cyan);
  --spot: rgba(79, 234, 255, 0.22);
}

.basketball-evidence .tag {
  color: #ffb8b1;
}

.piano-evidence .tag {
  color: var(--lime);
}

.ai-evidence .tag {
  color: var(--cyan);
}

.contribution-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: start;
  margin-top: 24px;
  padding: 34px;
  border: 1px solid rgba(169, 134, 255, 0.32);
  border-radius: 8px;
  background:
    linear-gradient(130deg, rgba(169, 134, 255, 0.1), rgba(79, 234, 255, 0.045)),
    var(--surface);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.22);
}

.contribution-panel h3 {
  margin: 10px 0 16px;
}

.contribution-panel p:not(.section-kicker) {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.contribution-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contribution-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted-strong);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.contribution-list span {
  flex: 0 0 auto;
  color: var(--lime);
  font-weight: 900;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.learning-section {
  padding-top: 92px;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.learning-card {
  position: relative;
  min-height: 245px;
  padding: 24px;
  border: 1px solid rgba(140, 255, 106, 0.25);
  border-radius: 8px;
  background:
    linear-gradient(150deg, rgba(140, 255, 106, 0.1), transparent 46%),
    var(--surface);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.learning-card::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  right: -34px;
  bottom: -42px;
  border: 1px solid rgba(140, 255, 106, 0.33);
  border-radius: 50%;
  box-shadow: 0 0 0 14px rgba(140, 255, 106, 0.05), 0 0 0 28px rgba(140, 255, 106, 0.04);
}

.learning-index {
  color: var(--lime);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.8125rem;
  font-weight: 900;
}

.learning-card h3 {
  margin: 18px 0 12px;
  font-size: 1.25rem;
}

.learning-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.learning-card strong {
  display: block;
  margin-top: 20px;
  color: var(--muted-strong);
  font-size: 0.875rem;
  line-height: 1.6;
}

.learning-record {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 30px;
  align-items: start;
  margin-top: 24px;
  padding: 28px;
  border: 1px solid rgba(140, 255, 106, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(125deg, rgba(140, 255, 106, 0.1), rgba(79, 234, 255, 0.05)),
    var(--surface);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.2);
}

.learning-record h3 {
  margin: 10px 0 14px;
}

.learning-record p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.learning-record ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learning-record li {
  padding: 12px 14px;
  border-left: 2px solid var(--lime);
  color: var(--muted-strong);
  background: rgba(140, 255, 106, 0.055);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.learning-record strong {
  color: var(--lime);
}

.info-panel,
.project-card,
.privacy-note {
  --accent: var(--cyan);
  --spot: rgba(79, 234, 255, 0.2);
  --spot-x: 50%;
  --spot-y: 0%;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--surface);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
  overflow: hidden;
  isolation: isolate;
}

.info-panel > *,
.project-card > *,
.privacy-note > * {
  position: relative;
  z-index: 1;
}

.info-panel::before,
.project-card::before,
.privacy-note::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.09), transparent 28%),
    linear-gradient(315deg, var(--spot), transparent 38%);
  opacity: 0.78;
}

.info-panel::after,
.project-card::after,
.privacy-note::after {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(260px circle at var(--spot-x) var(--spot-y), var(--spot), transparent 64%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.info-panel:hover::after,
.project-card:hover::after,
.privacy-note:hover::after {
  opacity: 1;
}

.info-panel,
.project-card {
  min-height: 270px;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.info-panel {
  min-height: 230px;
}

.info-panel:hover,
.project-card:hover {
  border-color: var(--accent);
  box-shadow:
    0 22px 64px rgba(0, 0, 0, 0.32),
    0 0 28px var(--spot);
  transform: translateY(-5px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 36px;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  min-width: 54px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 0 16px var(--spot);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.875rem;
  font-weight: 900;
}

.panel-meter {
  width: 92px;
  height: 9px;
  border: 1px solid var(--accent);
  border-radius: 99px;
  background:
    linear-gradient(90deg, var(--accent), transparent 72%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0 2px, transparent 2px 9px);
  box-shadow: 0 0 18px var(--spot);
}

.project-card {
  border-top: 4px solid var(--accent);
}

.code-card {
  --accent: var(--cyan);
  --spot: rgba(79, 234, 255, 0.22);
}

.piano-card {
  --accent: var(--lime);
  --spot: rgba(140, 255, 106, 0.18);
}

.court-card {
  --accent: var(--coral);
  --spot: rgba(255, 111, 97, 0.2);
}

.code-card .tag,
.info-panel:nth-child(1) .tag {
  color: var(--cyan);
}

.piano-card .tag,
.info-panel:nth-child(3) .tag {
  color: var(--lime);
}

.court-card .tag {
  color: #ffb8b1;
}

.info-panel:nth-child(1) {
  --accent: var(--cyan);
  --spot: rgba(79, 234, 255, 0.2);
}

.info-panel:nth-child(2) {
  --accent: var(--amber);
  --spot: rgba(255, 209, 102, 0.18);
}

.info-panel:nth-child(2) .tag {
  color: var(--amber);
}

.info-panel:nth-child(3) {
  --accent: var(--lime);
  --spot: rgba(140, 255, 106, 0.18);
}

.info-panel:nth-child(4) {
  --accent: var(--violet);
  --spot: rgba(169, 134, 255, 0.18);
}

.info-panel:nth-child(4) .tag {
  color: #d8caff;
}

.highlight-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.highlight-item {
  --spot-x: 50%;
  --spot-y: 0%;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(220px circle at var(--spot-x) var(--spot-y), rgba(79, 234, 255, 0.12), transparent 66%);
}

.highlight-item span {
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.875rem;
  font-weight: 900;
  text-transform: uppercase;
}

.highlight-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1875rem;
}

.highlight-item p {
  margin: 0;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  --spot-x: 50%;
  --spot-y: 0%;
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) minmax(170px, auto);
  gap: 18px;
  align-items: center;
  min-height: 78px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: radial-gradient(240px circle at var(--spot-x) var(--spot-y), rgba(255, 209, 102, 0.12), transparent 66%);
}

.timeline-item span,
.timeline-item em {
  color: var(--muted);
  font-size: 0.875rem;
  font-style: normal;
}

.timeline-item span {
  color: var(--amber);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-weight: 900;
}

.timeline-item strong {
  font-size: 1.125rem;
}

.privacy-section {
  align-items: center;
}

.privacy-note {
  --accent: var(--lime);
  --spot: rgba(140, 255, 106, 0.18);
  display: grid;
  gap: 12px;
  justify-self: end;
  max-width: 420px;
  padding: 24px;
  border-color: rgba(140, 255, 106, 0.28);
  background:
    linear-gradient(135deg, rgba(140, 255, 106, 0.08), rgba(79, 234, 255, 0.05)),
    var(--surface-strong);
}

.privacy-note strong {
  color: var(--lime);
  font-size: 1.25rem;
  line-height: 1.35;
}

.privacy-note span {
  color: var(--muted);
  line-height: 1.7;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

@keyframes orbit-spin {
  from {
    transform: rotate(-18deg);
  }

  to {
    transform: rotate(342deg);
  }
}

@media (max-width: 980px) {
  .hero-visual {
    right: -80px;
    width: 520px;
    min-width: 0;
    opacity: 0.58;
  }

  .hero h1 {
    font-size: 7rem;
  }

  .hero h1 span {
    font-size: 1.875rem;
  }

  .mission-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 640px;
  }

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

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

  .evidence-card:last-child {
    grid-column: span 2;
  }

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

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    width: min(100% - 24px, var(--max));
  }

  .brand span:last-child {
    display: none;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav a {
    min-height: 34px;
    padding: 8px 9px;
    font-size: 0.8125rem;
  }

  .hero {
    min-height: 82svh;
    padding-top: 128px;
  }

  .hero-copy {
    max-width: 620px;
    font-size: 1.125rem;
  }

  .hero-readout {
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .section {
    width: min(100% - 32px, var(--max));
    padding: 72px 0;
  }

  .intro-band,
  .highlights-band,
  .goals-band {
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-grid,
  .privacy-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  h2 {
    font-size: 2.5rem;
  }

  .matrix-grid {
    grid-template-columns: 1fr;
  }

  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .evidence-card:last-child {
    grid-column: auto;
  }

  .contribution-panel {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .learning-record {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .highlight-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .info-panel,
  .project-card {
    min-height: auto;
  }

  .timeline-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px 14px;
    padding: 16px 0;
  }

  .timeline-item em {
    grid-column: 2;
    margin-top: -8px;
  }

  .privacy-note {
    justify-self: start;
  }

  .learning-card {
    min-height: 218px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: absolute;
  }

  .hero {
    min-height: 88svh;
    padding-top: 112px;
    padding-bottom: 44px;
  }

  .hero-inner {
    width: min(100% - 32px, var(--max));
  }

  .hero-visual {
    top: 118px;
    right: -180px;
    bottom: auto;
    width: 520px;
    height: 520px;
    opacity: 0.46;
  }

  .hero h1 {
    font-size: 4.25rem;
  }

  .hero h1 span {
    font-size: 1.25rem;
  }

  .hero-copy {
    font-size: 1rem;
    line-height: 1.65;
  }

  .signal-row {
    gap: 8px;
  }

  .signal-row span {
    flex: 1 1 92px;
    min-width: 0;
    padding: 10px 8px;
    font-size: 0.875rem;
  }

  .hero-readout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
    gap: 6px;
    font-size: 0.6875rem;
  }

  .hero-readout span {
    padding: 7px 6px;
  }

  .mission-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
  }

  .mission-strip span {
    min-height: 54px;
    padding: 9px 10px;
    font-size: 0.8125rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .review-note {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .project-title-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .project-status {
    justify-self: start;
    margin-top: 0;
  }

  .contribution-panel {
    padding: 22px;
  }

  .learning-record {
    padding: 20px;
  }

  .contribution-list,
  .learning-grid {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 2.125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}