:root {
  color-scheme: dark;
  --bg: #0f1115;
  --bg-soft: #151a22;
  --bg-elevated: #1b2230;
  --ink: #f5f2ec;
  --muted: #b5b0a8;
  --accent: #c08a5a;
  --accent-soft: rgba(192, 138, 90, 0.18);
  --line: rgba(245, 242, 236, 0.12);
  --shadow: 0 28px 60px rgba(6, 10, 18, 0.45);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --step-1: 8px;
  --step-2: 12px;
  --step-3: 16px;
  --step-4: 24px;
  --step-5: 32px;
  --step-6: 48px;
  --step-7: 72px;
}

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

body {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  color: var(--ink);
  background: radial-gradient(900px 520px at 10% -10%, rgba(192, 138, 90, 0.25), transparent 60%),
    radial-gradient(720px 520px at 90% 5%, rgba(75, 116, 140, 0.18), transparent 62%),
    linear-gradient(180deg, #0e1014 0%, #111722 45%, #0c0e12 100%);
  min-height: 100vh;
  letter-spacing: 0.02em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 0 92%, rgba(255, 255, 255, 0.02) 92% 100%),
    linear-gradient(90deg, transparent 0 92%, rgba(255, 255, 255, 0.02) 92% 100%);
  background-size: 6px 6px;
  opacity: 0.3;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(600px 600px at 50% 20%, rgba(255, 255, 255, 0.06), transparent 65%);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

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

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

.site {
  position: relative;
  z-index: 1;
  max-width: 1160px;
  margin: 0 auto;
  padding: var(--step-6) var(--step-4) var(--step-7);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--step-6);
}

.logo {
  font-family: "Noto Serif TC", serif;
  font-size: 14px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: var(--step-4);
  font-size: 14px;
}

.nav-links a {
  padding-bottom: 6px;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--step-6);
  align-items: center;
  margin-bottom: var(--step-6);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  font-family: "Noto Serif TC", serif;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(34px, 5vw, 58px);
  margin: var(--step-2) 0 var(--step-2);
}

.hero-tagline {
  font-size: 16px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-summary {
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
  margin: var(--step-4) 0 var(--step-5);
}

.hero-meta {
  display: grid;
  gap: var(--step-3);
  margin-bottom: var(--step-5);
}

.meta-item {
  display: grid;
  gap: 6px;
  padding: var(--step-3) var(--step-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(18, 22, 30, 0.65);
}

.meta-item .label {
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: var(--accent);
  color: #0b0b0b;
  box-shadow: 0 12px 30px rgba(192, 138, 90, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(11, 11, 11, 0.4);
}

.hero-side {
  display: grid;
  gap: var(--step-4);
}

.profile-card {
  display: grid;
  gap: var(--step-3);
  text-align: center;
  align-items: center;
}

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto;
  border: 2px solid rgba(192, 138, 90, 0.4);
  box-shadow: 0 18px 40px rgba(5, 8, 15, 0.6);
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: var(--step-2) 0 0;
  display: grid;
  gap: var(--step-2);
  font-size: 14px;
  color: var(--muted);
}

.meta-list span {
  color: var(--ink);
}

.meta-list span:first-child {
  color: var(--muted);
}

.panel {
  background: rgba(21, 26, 34, 0.85);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--step-4);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.panel-title {
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--step-2);
}

.panel p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: var(--step-2) 0 0;
  display: grid;
  gap: var(--step-2);
  font-size: 14px;
  color: var(--muted);
}

.contact-list span {
  color: var(--ink);
  margin-right: 8px;
}

.section {
  background: rgba(18, 22, 30, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--step-5);
  margin-top: var(--step-5);
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--step-4);
  margin-bottom: var(--step-4);
}

.section-header p {
  margin: 0;
  color: var(--muted);
}

.subhead {
  margin: 0 0 var(--step-3);
  font-size: 18px;
  color: var(--ink);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--step-5);
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--step-3);
  line-height: 1.8;
  color: var(--muted);
}

.list li {
  position: relative;
  padding-left: 18px;
}

.list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

.list strong {
  color: var(--ink);
  font-weight: 600;
}

.timeline {
  position: relative;
  padding-left: var(--step-4);
  display: grid;
  gap: var(--step-3);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--accent-soft);
}

.timeline-item {
  position: relative;
  padding-left: var(--step-3);
  color: var(--muted);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step-2);
}

.tag {
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.highlight {
  padding: var(--step-3) var(--step-4);
  border-left: 3px solid var(--accent);
  background: rgba(192, 138, 90, 0.08);
  color: var(--muted);
  line-height: 1.8;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--step-5);
}

.project-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(16, 19, 26, 0.92);
  box-shadow: 0 20px 40px rgba(4, 6, 10, 0.35);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  display: grid;
  grid-template-columns: 1fr;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(192, 138, 90, 0.5);
  box-shadow: 0 30px 60px rgba(10, 10, 15, 0.55);
}

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background-image: var(--media-image, linear-gradient(130deg, rgba(192, 138, 90, 0.35), rgba(35, 48, 70, 0.8)));
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: rgba(245, 242, 236, 0.8);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 12px;
}

.project-body {
  padding: var(--step-4);
  display: grid;
  gap: var(--step-2);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step-2);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.project-body h3 {
  margin: 0;
  font-size: 18px;
}

.project-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: var(--step-2);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(192, 138, 90, 0.2);
  color: var(--accent);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.footer {
  margin-top: var(--step-6);
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  transition-delay: var(--delay, 0s);
}

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

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (min-width: 980px) {
  .project-card {
    grid-template-columns: minmax(280px, 360px) 1fr;
    align-items: stretch;
  }

  .project-media {
    border-bottom: none;
    border-right: 1px solid var(--line);
    aspect-ratio: auto;
    min-height: 220px;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .site {
    padding: var(--step-5) var(--step-3) var(--step-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}