:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: rgba(12, 18, 34, 0.78);
  --panel-strong: rgba(16, 25, 47, 0.92);
  --text: #f7fbff;
  --muted: #aeb9c8;
  --line: rgba(255, 255, 255, 0.14);
  --cyan: #00d1ff;
  --lime: #9cff4a;
  --pink: #ff2e88;
  --gold: #ffd166;
  --violet: #9d6bff;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, rgba(0, 209, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 84% 18%, rgba(255, 46, 136, 0.14), transparent 26rem),
    linear-gradient(135deg, #070a12 0%, #101522 45%, #090c14 100%);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 10, 18, 0.68);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.hero-stats,
.profile-card:first-child,
.contact-panel {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #051018;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  border-radius: var(--radius);
  box-shadow: 0 0 30px rgba(0, 209, 255, 0.42);
}

.brand-copy {
  white-space: nowrap;
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  border-radius: var(--radius);
  font-size: 14px;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.74fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: 94vh;
  padding: 112px clamp(20px, 6vw, 88px) 56px;
}

.hero-content {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12ch;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 102px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-lead {
  max-width: 660px;
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.primary-action {
  color: #031016;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 12px 32px rgba(0, 209, 255, 0.26);
}

.secondary-action {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.primary-action:hover,
.secondary-action:hover {
  transform: translateY(-2px);
}

.hero-stats {
  gap: 18px;
  flex-wrap: wrap;
  margin: 42px 0 0;
}

.hero-stats div {
  min-width: 128px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.hero-stats dt {
  font-size: 28px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-media {
  position: relative;
  min-height: 520px;
}

.orbital {
  position: absolute;
  inset: 28px 10px auto auto;
  width: min(45vw, 470px);
  aspect-ratio: 1;
  border: 1px solid rgba(0, 209, 255, 0.28);
  border-radius: 50%;
  animation: rotate 22s linear infinite;
}

.orbital::before,
.orbital::after {
  position: absolute;
  inset: 16%;
  content: "";
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

.orbital::after {
  inset: 32%;
  background: radial-gradient(circle, rgba(156, 255, 74, 0.32), transparent 62%);
}

.orbital span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 28px currentColor;
  transform:
    rotate(calc(var(--i) * 60deg))
    translateX(min(22vw, 235px));
}

.scan-panel {
  position: absolute;
  left: 0;
  bottom: 22px;
  width: min(92%, 430px);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(7, 10, 18, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-row {
  height: 36px;
  margin-bottom: 12px;
  background:
    linear-gradient(90deg, rgba(0, 209, 255, 0.8), transparent 55%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.16) 0 4px, transparent 4px 12px);
  border-radius: var(--radius);
  animation: pulse 2.8s ease-in-out infinite;
}

.signal-row:nth-child(2) {
  width: 72%;
  animation-delay: 0.4s;
}

.signal-row:nth-child(3) {
  width: 86%;
  animation-delay: 0.8s;
}

.metric-chip {
  display: inline-flex;
  margin: 10px 8px 0 0;
  padding: 8px 10px;
  border: 1px solid rgba(156, 255, 74, 0.32);
  border-radius: var(--radius);
  color: var(--lime);
  font-size: 13px;
  font-weight: 800;
  background: rgba(156, 255, 74, 0.08);
}

.section-band {
  padding: 86px clamp(20px, 6vw, 88px);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto 34px;
}

.profile-grid,
.skill-grid,
.case-grid,
.video-layout,
.contact-panel {
  max-width: 1180px;
  margin: 0 auto;
}

.profile-grid,
.skill-grid,
.case-grid {
  display: grid;
  gap: 18px;
}

.profile-grid {
  grid-template-columns: 1.25fr 1fr 1fr;
}

.profile-card,
.skill-card,
.case-card,
.video-copy,
.video-frame,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.profile-card {
  gap: 18px;
  min-height: 168px;
  padding: 24px;
}

.avatar {
  display: grid;
  flex: 0 0 auto;
  width: 76px;
  aspect-ratio: 1;
  place-items: center;
  color: #061018;
  background: conic-gradient(from 110deg, var(--cyan), var(--lime), var(--pink), var(--cyan));
  border-radius: var(--radius);
  font-size: 32px;
  font-weight: 900;
}

.skill-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.skill-card {
  position: relative;
  min-height: 270px;
  padding: 24px;
  overflow: hidden;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.skill-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 36%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.28);
  background: var(--panel-strong);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-card[data-accent="cyan"] {
  --accent: var(--cyan);
}

.skill-card[data-accent="lime"] {
  --accent: var(--lime);
}

.skill-card[data-accent="pink"] {
  --accent: var(--pink);
}

.skill-card[data-accent="gold"] {
  --accent: var(--gold);
}

.skill-card[data-accent="violet"] {
  --accent: var(--violet);
}

.skill-icon {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.skill-card h3 {
  color: var(--accent);
}

.skill-meter {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.skill-meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), rgba(255, 255, 255, 0.86));
  border-radius: inherit;
}

.video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 20px;
  align-items: stretch;
}

.video-frame {
  padding: 10px;
}

video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: #000;
  object-fit: cover;
}

.video-copy {
  padding: 28px;
}

.feature-list {
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-list li::before {
  position: absolute;
  left: 0;
  color: var(--lime);
  content: "▸";
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  min-height: 430px;
  padding: 16px;
  overflow: hidden;
}

.case-visual {
  height: 210px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.visual-video {
  background:
    linear-gradient(90deg, transparent 47%, rgba(255, 255, 255, 0.68) 48% 52%, transparent 53%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.16) 0 2px, transparent 2px 18px),
    linear-gradient(135deg, rgba(255, 46, 136, 0.72), rgba(0, 209, 255, 0.52));
}

.visual-web {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0 18%, transparent 18%),
    linear-gradient(90deg, rgba(156, 255, 74, 0.7) 0 32%, transparent 32%),
    linear-gradient(135deg, rgba(0, 209, 255, 0.6), rgba(255, 209, 102, 0.54));
}

.visual-data {
  background:
    radial-gradient(circle at 30% 34%, rgba(156, 255, 74, 0.82), transparent 12%),
    radial-gradient(circle at 62% 62%, rgba(255, 46, 136, 0.78), transparent 14%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.13) 0 2px, transparent 2px 28px),
    linear-gradient(135deg, rgba(157, 107, 255, 0.6), rgba(0, 209, 255, 0.34));
}

.case-card span {
  display: inline-flex;
  color: var(--lime);
  font-size: 13px;
  font-weight: 800;
}

.contact-panel {
  justify-content: space-between;
  gap: 24px;
  padding: clamp(24px, 5vw, 48px);
}

.contact-panel p {
  max-width: 680px;
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 650ms ease,
    transform 650ms ease;
}

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

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.45;
    transform: translateX(8px);
  }
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 13ch;
  }

  .hero-media {
    min-height: 380px;
    order: -1;
  }

  .orbital {
    width: min(78vw, 430px);
  }

  .orbital span {
    transform:
      rotate(calc(var(--i) * 60deg))
      translateX(min(38vw, 215px));
  }

  .profile-grid,
  .skill-grid,
  .case-grid,
  .video-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-card:first-child,
  .video-frame {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
  }

  .menu-button {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 14px;
    right: 14px;
    display: grid;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(7, 10, 18, 0.94);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

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

  .hero,
  .section-band {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 90px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(42px, 14vw, 66px);
  }

  .hero-media {
    min-height: 330px;
  }

  .scan-panel {
    width: 100%;
  }

  .section-heading,
  .contact-panel {
    display: block;
  }

  .profile-grid,
  .skill-grid,
  .case-grid,
  .video-layout {
    grid-template-columns: 1fr;
  }

  .profile-card:first-child {
    display: block;
  }

  .avatar {
    margin-bottom: 18px;
  }

  .skill-card {
    min-height: 235px;
  }

  .case-card {
    min-height: auto;
  }

  .contact-panel .primary-action {
    margin-top: 24px;
    width: 100%;
  }
}

@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;
  }
}