:root {
  color-scheme: dark;
  --bg: #05070b;
  --bg-soft: #0a0d13;
  --panel: rgba(10, 15, 22, 0.72);
  --panel-strong: rgba(13, 20, 29, 0.88);
  --line: rgba(132, 246, 255, 0.18);
  --line-strong: rgba(132, 246, 255, 0.42);
  --text: #f4fbff;
  --muted: #a8b5bf;
  --dim: #6f7c86;
  --cyan: #43e8ff;
  --violet: #a875ff;
  --green: #68ffbf;
  --amber: #ffd36a;
  --danger: #ff628f;
  --radius: 8px;
  --shadow-cyan: 0 0 34px rgba(67, 232, 255, 0.22);
  --shadow-violet: 0 0 34px rgba(168, 117, 255, 0.18);
  font-family:
    Inter, "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(67, 232, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 232, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 16%, rgba(104, 255, 191, 0.12), transparent 22rem),
    radial-gradient(circle at 18% 40%, rgba(168, 117, 255, 0.14), transparent 24rem),
    linear-gradient(135deg, #05070b 0%, #07090d 42%, #0a0c12 100%);
  background-size: 52px 52px, 52px 52px, auto, auto, auto;
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(110deg, transparent 0%, rgba(67, 232, 255, 0.04) 18%, transparent 34%),
    linear-gradient(290deg, transparent 0%, rgba(255, 211, 106, 0.035) 12%, transparent 28%);
  animation: dataSweep 11s linear infinite;
}

body.nav-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 50;
  display: grid;
  width: min(1180px, calc(100% - 32px));
  height: 66px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgba(5, 8, 13, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(67, 232, 255, 0.48);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(67, 232, 255, 0.16), rgba(168, 117, 255, 0.12)),
    rgba(255, 255, 255, 0.03);
  color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.4vw, 20px);
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: var(--shadow-cyan);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

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

.site-nav a.is-current {
  color: var(--text);
}

.language-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  width: 112px;
  height: 34px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
}

.language-switch button {
  min-width: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.language-switch button.is-active {
  background: linear-gradient(135deg, rgba(67, 232, 255, 0.28), rgba(104, 255, 191, 0.18));
  color: var(--text);
  box-shadow: 0 0 18px rgba(67, 232, 255, 0.2);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform 180ms ease;
}

.nav-open .nav-toggle span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-open .nav-toggle span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.section-block {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 94px 0;
  scroll-margin-top: 86px;
}

.page-shell {
  padding-top: 96px;
}

.page-hero {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  min-height: 390px;
  margin: 0 auto;
  padding: 82px 28px 58px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.93), rgba(5, 7, 11, 0.66)),
    url("assets/images/zy-ai-lab-hero.png");
  background-position: center;
  background-size: cover;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.page-hero h1 {
  max-width: 11ch;
  margin: 0;
  background: linear-gradient(100deg, #fff 0%, var(--cyan) 48%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.95;
}

.page-hero p:not(.eyebrow) {
  width: min(720px, 100%);
  margin: 20px 0 0;
  color: #d8e2e9;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.8;
}

.hero {
  display: grid;
  width: 100%;
  height: clamp(680px, 88svh, 820px);
  place-items: center;
  padding: 104px max(24px, calc((100vw - 1180px) / 2)) 58px;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(5, 7, 11, 0.88) 0%, rgba(5, 7, 11, 0.68) 42%, rgba(5, 7, 11, 0.38) 100%),
    url("assets/images/zy-ai-lab-hero.png");
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  content: "";
  background: linear-gradient(180deg, transparent, var(--bg));
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background:
    linear-gradient(120deg, rgba(67, 232, 255, 0.16), transparent 26%),
    linear-gradient(290deg, rgba(104, 255, 191, 0.14), transparent 24%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 46px,
      rgba(255, 255, 255, 0.035) 47px,
      transparent 48px
    );
  mix-blend-mode: screen;
  animation: scanShift 16s linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(780px, 100%);
  justify-self: start;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.2rem, 9.2vw, 8.1rem);
  line-height: 0.9;
  letter-spacing: 0;
  text-wrap: balance;
  background: linear-gradient(100deg, #fff 0%, var(--cyan) 42%, var(--violet) 76%, var(--amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px rgba(67, 232, 255, 0.32));
}

.hero-subtitle {
  margin: 14px 0 0;
  color: var(--cyan);
  font-size: clamp(1.3rem, 3.4vw, 2.7rem);
  font-weight: 700;
}

.hero-copy {
  width: min(680px, 100%);
  margin: 18px 0 0;
  color: #d8e2e9;
  font-size: clamp(1rem, 1.65vw, 1.22rem);
  line-height: 1.85;
}

.hero-slogan {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin: 14px 0 0;
  padding: 0 14px;
  border-left: 2px solid var(--green);
  color: var(--amber);
  font-family: Consolas, "SFMono-Regular", monospace;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
  white-space: nowrap;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  padding: 0 20px;
  background: linear-gradient(135deg, rgba(67, 232, 255, 0.9), rgba(104, 255, 191, 0.72));
  color: #031014;
  box-shadow: var(--shadow-cyan);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 0 42px rgba(67, 232, 255, 0.4);
}

.button-secondary,
.button-ghost {
  padding: 0 18px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(168, 117, 255, 0.62);
  box-shadow: var(--shadow-violet);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: rgba(255, 211, 106, 0.54);
  box-shadow: 0 0 30px rgba(255, 211, 106, 0.17);
}

.hero-status {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 36px;
  z-index: 3;
  display: flex;
  max-width: min(720px, calc(100% - 48px));
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.hero-status span {
  min-height: 32px;
  padding: 7px 12px;
  border: 1px solid rgba(67, 232, 255, 0.24);
  border-radius: 999px;
  background: rgba(5, 7, 11, 0.55);
  color: #d6fbff;
  font-size: 0.78rem;
  backdrop-filter: blur(10px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

.section-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.4vw, 1.12rem);
  line-height: 1.8;
}

.identity-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
}

.profile-card,
.terminal-card,
.project-card,
.stack-card,
.log-item,
.vision-card,
.connect-grid a {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.profile-card,
.terminal-card {
  min-height: 360px;
  padding: 28px;
}

.identity-list {
  display: grid;
  gap: 16px;
  margin: 0;
}

.identity-list div {
  display: grid;
  grid-template-columns: minmax(120px, 0.38fr) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.identity-list div:last-child {
  border-bottom: 0;
}

.identity-list dt {
  color: var(--green);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.8rem;
}

.identity-list dd {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.terminal-card {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(67, 232, 255, 0.08), transparent),
    rgba(3, 6, 10, 0.88);
}

.terminal-top {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.terminal-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--danger);
}

.terminal-top span:nth-child(2) {
  background: var(--amber);
}

.terminal-top span:nth-child(3) {
  background: var(--green);
}

.terminal-card pre {
  margin: 0;
  white-space: pre-wrap;
}

.terminal-card code {
  color: #d8fbff;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: clamp(0.88rem, 1.4vw, 1rem);
  line-height: 1.85;
  text-shadow: 0 0 14px rgba(67, 232, 255, 0.22);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.project-card::before,
.preview-card::before,
.vision-card::before,
.stack-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(115deg, rgba(67, 232, 255, 0.13), transparent 42%),
    linear-gradient(290deg, rgba(255, 211, 106, 0.08), transparent 38%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.project-card:hover,
.project-card:focus-within,
.preview-card:hover,
.preview-card:focus-visible,
.stack-card:hover,
.vision-card:hover,
.connect-grid a:hover,
.connect-grid a:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(67, 232, 255, 0.34);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32), var(--shadow-cyan);
}

.project-card:hover::before,
.preview-card:hover::before,
.vision-card:hover::before,
.stack-card:hover::before {
  opacity: 1;
}

.preview-card {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.preview-label {
  position: relative;
  display: block;
  margin-top: 18px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
}

.preview-card h3 {
  position: relative;
  margin: 10px 0 12px;
  color: var(--text);
  font-size: 1.16rem;
  line-height: 1.3;
}

.preview-card p {
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.card-index {
  display: inline-flex;
  min-width: 42px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(67, 232, 255, 0.28);
  border-radius: 999px;
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.78rem;
}

.project-card h3,
.stack-card h3,
.vision-card h3 {
  position: relative;
  margin: 18px 0 12px;
  color: var(--text);
  font-size: 1.16rem;
  line-height: 1.3;
}

.project-card p {
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.tag-row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.tag {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #cdd7de;
  font-size: 0.74rem;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stack-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.stack-icon {
  position: relative;
  display: grid;
  min-width: 44px;
  width: max-content;
  height: 44px;
  place-items: center;
  padding: 0 10px;
  border: 1px solid rgba(104, 255, 191, 0.24);
  border-radius: var(--radius);
  color: var(--green);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 0 24px rgba(104, 255, 191, 0.12);
}

.stack-card ul {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.stack-card li {
  color: var(--muted);
  font-size: 0.9rem;
}

.stack-card li::after {
  margin: 0 1px 0 8px;
  color: var(--dim);
  content: "/";
}

.stack-card li:last-child::after {
  content: "";
}

.log-list {
  display: grid;
  gap: 12px;
  counter-reset: logs;
}

.log-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 18px 20px;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.log-item:hover,
.log-item:focus-within {
  transform: translateX(6px);
  border-color: rgba(255, 211, 106, 0.3);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24), 0 0 28px rgba(255, 211, 106, 0.12);
}

.log-item .log-number {
  color: var(--amber);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-weight: 800;
}

.log-item h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.45;
}

.log-state {
  min-width: 74px;
  color: var(--green);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  text-align: right;
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.vision-card {
  position: relative;
  display: grid;
  min-height: 230px;
  overflow: hidden;
  align-content: end;
  padding: 22px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(5, 7, 11, 0.82) 68%),
    var(--visual-bg),
    var(--panel-strong);
  background-size: cover;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.vision-card:nth-child(1) {
  --visual-bg:
    linear-gradient(135deg, rgba(67, 232, 255, 0.32), transparent 42%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.09) 0 2px, transparent 2px 16px);
}

.vision-card:nth-child(2) {
  --visual-bg:
    linear-gradient(135deg, rgba(255, 211, 106, 0.22), transparent 46%),
    radial-gradient(circle at 34% 38%, rgba(255, 255, 255, 0.13), transparent 9rem);
}

.vision-card:nth-child(3) {
  --visual-bg:
    linear-gradient(145deg, rgba(104, 255, 191, 0.24), transparent 52%),
    repeating-linear-gradient(90deg, rgba(67, 232, 255, 0.1) 0 1px, transparent 1px 11px);
}

.vision-card:nth-child(4) {
  --visual-bg:
    linear-gradient(135deg, rgba(168, 117, 255, 0.28), transparent 46%),
    linear-gradient(45deg, transparent 0 45%, rgba(67, 232, 255, 0.13) 45% 55%, transparent 55%);
}

.vision-card h3 {
  margin-bottom: 0;
}

.timeline-list {
  position: relative;
  display: grid;
  gap: 18px;
  margin-left: 10px;
  padding-left: 28px;
}

.timeline-list::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 1px;
  content: "";
  background: linear-gradient(var(--cyan), var(--violet), var(--green));
  box-shadow: var(--shadow-cyan);
}

.timeline-item {
  position: relative;
  padding: 4px 0 24px;
}

.timeline-item::before {
  position: absolute;
  top: 10px;
  left: -34px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--cyan);
  border-radius: 999px;
  background: var(--bg);
  box-shadow: 0 0 20px rgba(67, 232, 255, 0.45);
  content: "";
}

.timeline-item h3 {
  margin: 0 0 10px;
  color: var(--green);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 1.05rem;
}

.timeline-item p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  white-space: pre-line;
}

.timeline-slogan {
  display: inline-flex;
  margin: 20px 0 0 38px;
  padding: 12px 16px;
  border: 1px solid rgba(104, 255, 191, 0.2);
  border-radius: var(--radius);
  background: rgba(104, 255, 191, 0.06);
  color: var(--green);
  font-weight: 800;
}

.connect-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.connect-grid a {
  display: grid;
  min-height: 130px;
  align-content: space-between;
  padding: 22px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.connect-grid span {
  color: var(--muted);
  font-size: 0.85rem;
}

.connect-grid strong {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.blog-shell {
  padding-top: 96px;
}

.blog-hero {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  min-height: 440px;
  margin: 0 auto;
  padding: 94px 0 62px;
  overflow: hidden;
}

.blog-hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.92), rgba(5, 7, 11, 0.62)),
    url("assets/images/zy-ai-lab-hero.png");
  background-position: center;
  background-size: cover;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.blog-hero h1 {
  max-width: 10ch;
  margin: 0;
  background: linear-gradient(100deg, #fff 0%, var(--cyan) 48%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(3.1rem, 8vw, 7rem);
  line-height: 0.95;
}

.blog-hero p:not(.eyebrow) {
  width: min(720px, calc(100% - 32px));
  margin: 20px 0 0;
  color: #d8e2e9;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.8;
}

.blog-section {
  padding-top: 70px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.blog-post,
.featured-note,
.article-card {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.blog-post {
  min-height: 280px;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.blog-post:hover,
.blog-post:focus-within {
  transform: translateY(-6px);
  border-color: rgba(67, 232, 255, 0.34);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32), var(--shadow-cyan);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--green);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.78rem;
}

.blog-post h3,
.featured-note h2,
.article-card h3 {
  margin: 18px 0 12px;
  color: var(--text);
  font-size: clamp(1.18rem, 2vw, 1.7rem);
  line-height: 1.32;
}

.blog-post p,
.featured-note p,
.article-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.featured-note p + p,
.article-card p + p {
  margin-top: 14px;
}

.mini-link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  margin-top: 22px;
  color: var(--cyan);
  font-size: 0.9rem;
  font-weight: 800;
}

.mini-link:hover,
.mini-link:focus-visible {
  color: var(--green);
}

.article-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.article-card,
.featured-note {
  padding: 28px;
  scroll-margin-top: 90px;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--dim);
  font-size: 0.88rem;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes dataSweep {
  0% {
    transform: translate3d(-8%, -4%, 0);
  }
  100% {
    transform: translate3d(8%, 4%, 0);
  }
}

@keyframes scanShift {
  0% {
    transform: translateX(-2%);
  }
  100% {
    transform: translateX(2%);
  }
}

@media (max-width: 1020px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 66px;
    left: 0;
    display: grid;
    width: 100%;
    padding: 18px;
    transform: translateY(-18px);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-top: 0;
    border-radius: 0 0 var(--radius) var(--radius);
    background: rgba(5, 8, 13, 0.94);
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(18px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    min-height: 42px;
    padding: 12px 4px;
    font-size: 1rem;
  }

  .language-switch {
    justify-self: end;
  }

  .identity-grid,
  .project-grid,
  .preview-grid,
  .stack-grid,
  .vision-grid,
  .connect-grid,
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    width: calc(100% - 20px);
    height: 60px;
    gap: 10px;
    padding: 0 10px;
  }

  .brand {
    font-size: 0.86rem;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .language-switch {
    width: 96px;
  }

  .language-switch button {
    font-size: 0.72rem;
  }

  .site-nav {
    top: 60px;
  }

  .section-block {
    width: min(100% - 24px, 1180px);
    padding: 70px 0;
    scroll-margin-top: 76px;
  }

  .page-shell {
    padding-top: 78px;
  }

  .page-hero {
    width: min(100% - 24px, 1180px);
    min-height: auto;
    padding: 64px 18px 44px;
  }

  .hero {
    height: auto;
    min-height: 76svh;
    place-items: end start;
    padding: 96px 18px 54px;
    background-position: 58% center;
  }

  .hero h1 {
    font-size: clamp(3rem, 17vw, 5.6rem);
  }

  .hero-copy {
    line-height: 1.72;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, 360px);
  }

  .section-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, 360px);
  }

  .button {
    width: 100%;
  }

  .hero-status {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: none;
    margin-top: 24px;
    justify-content: flex-start;
  }

  .identity-grid,
  .project-grid,
  .preview-grid,
  .stack-grid,
  .vision-grid,
  .connect-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .profile-card,
  .terminal-card {
    min-height: auto;
    padding: 22px;
  }

  .identity-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .project-card,
  .stack-card,
  .vision-card {
    min-height: 210px;
  }

  .log-item {
    grid-template-columns: auto 1fr;
  }

  .log-state {
    grid-column: 2;
    text-align: left;
  }

  .timeline-slogan {
    margin-left: 0;
  }

  .blog-shell {
    padding-top: 78px;
  }

  .blog-hero {
    width: min(100% - 24px, 1180px);
    min-height: auto;
    padding: 64px 18px 44px;
  }

  .blog-hero p:not(.eyebrow) {
    width: 100%;
  }

  .blog-post,
  .featured-note,
  .article-card {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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