:root {
  --ink: #f7f2e8;
  --muted: #bdb7ab;
  --line: rgba(255, 255, 255, 0.16);
  --panel: rgba(21, 23, 26, 0.92);
  --panel-soft: #171d20;
  --bg: #101113;
  --teal: #71d1c2;
  --amber: #d7ae6a;
  --rose: #e47d8a;
  --leaf: #93bd75;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  letter-spacing: 0;
}

body::selection {
  background: var(--teal);
  color: #101113;
}

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

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 5vw;
  background: rgba(14, 15, 17, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink);
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

nav a:hover,
.footer-links a:hover {
  color: var(--teal);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid rgba(113, 209, 194, 0.55);
  border-radius: 999px;
  color: var(--teal);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.lang-switch:hover {
  background: var(--teal);
  color: #101113;
  border-color: var(--teal);
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  padding: 96px 5vw 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("./assets/hero-black-cat.avif");
  background-size: cover;
  background-position: center 42%;
  filter: saturate(1.12) contrast(1.08);
  transform: scale(1.02);
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(8, 10, 12, 0.82) 0%, rgba(8, 10, 12, 0.62) 48%, rgba(8, 10, 12, 0.32) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 920px;
  margin-bottom: 22px;
  font-size: clamp(2.5rem, 6vw, 5.7rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-name {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: clamp(1.3rem, 2.6vw, 2.1rem);
  font-weight: 900;
}

.hero-role {
  margin-bottom: 18px;
  color: var(--amber);
  font-size: clamp(0.98rem, 1.8vw, 1.22rem);
  font-weight: 800;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 16px;
  color: #e5ded1;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.9;
}

.hero-scope {
  display: inline-flex;
  max-width: 760px;
  margin: 0 0 32px;
  padding: 12px 16px;
  border-left: 3px solid var(--teal);
  background: rgba(113, 209, 194, 0.1);
  color: #d7f5ef;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.7;
}

.hero-actions,
.project-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.project-links a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-weight: 800;
  font-size: 0.9rem;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.project-links a:hover,
.footer-links a:hover {
  transform: translateY(-1px);
  border-color: rgba(113, 209, 194, 0.6);
  background: rgba(113, 209, 194, 0.12);
}

.button.primary {
  background: var(--teal);
  color: #101113;
  border-color: var(--teal);
}

.button.ghost {
  background: rgba(16, 17, 19, 0.55);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: #151719;
}

.proof-band div {
  min-height: 126px;
  padding: 28px 5vw;
  border-right: 1px solid var(--line);
}

.proof-band div:last-child {
  border-right: 0;
}

.proof-band strong {
  display: block;
  margin-bottom: 8px;
  color: var(--amber);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1;
}

.proof-band span {
  color: var(--muted);
  line-height: 1.55;
}

.intro,
.projects,
.depth,
.craft,
.timeline,
.site-footer {
  padding: 86px 5vw;
}

.intro,
.timeline {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(300px, 1.18fr);
  gap: 56px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.section-heading h2,
.timeline h2,
.site-footer h2 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  line-height: 1.16;
}

.intro > p,
.timeline > p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 2;
}

.projects {
  background: #111417;
  border-bottom: 1px solid var(--line);
}

.projects > .section-heading,
.craft > .section-heading {
  margin-bottom: 34px;
}

.project {
  display: grid;
  grid-template-columns: minmax(240px, 0.92fr) minmax(300px, 1.08fr);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
}

.project + .project,
.project-grid {
  margin-top: 22px;
}

.project-featured {
  min-height: 0;
  align-items: center;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

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

.project-image {
  min-height: 280px;
  background: #0d0f11;
}

.project-video {
  display: grid;
  align-items: center;
  background: #050607;
  min-height: 0;
  overflow: hidden;
}

.project-image img,
.project-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sprite-tool-card {
  overflow: hidden;
  background: #050607;
}

.sprite-tool-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-card {
  overflow: hidden;
  background: #05070a;
}

.banner-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.game-logo-card {
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.game-logo-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 50% 42%, rgba(10, 15, 16, 0.1), rgba(5, 6, 7, 0.72) 68%),
    linear-gradient(180deg, rgba(5, 6, 7, 0.1), rgba(5, 6, 7, 0.58));
}

.game-logo-card .game-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  filter: saturate(1.08) contrast(1.08);
}

.game-logo-card .game-logo {
  position: relative;
  z-index: 2;
  width: min(86%, 520px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.65));
}

.project-video video {
  height: 100%;
  max-height: 560px;
  aspect-ratio: auto;
  object-fit: contain;
}

.project-featured .project-video {
  display: grid;
  position: relative;
  grid-template-columns: minmax(0, 0.75fr);
  gap: 0;
  justify-content: center;
  justify-items: center;
  align-items: center;
  align-content: center;
  justify-self: center;
  width: 100%;
  min-height: 0;
  background: transparent;
  overflow: visible;
  overflow-anchor: none;
}

.video-frame {
  position: relative;
  width: 100%;
  max-width: 620px;
  background: #000;
  line-height: 0;
  overflow: hidden;
  overflow-anchor: none;
}

.project-featured .project-video video {
  width: 96%;
  height: auto;
  max-height: none;
  object-fit: contain;
  margin: 0 auto;
}

.video-carousel[data-mode="wide"] .video-frame {
  aspect-ratio: 16 / 9;
}

.video-carousel[data-mode="wide"] video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sound-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: rgba(215, 174, 106, 0.95);
  color: #111;
  cursor: pointer;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1;
  padding: 13px 18px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.35);
}

.sound-toggle:hover {
  background: #f0c476;
}

.sound-toggle[hidden] {
  display: none;
}

.video-tabs {
  display: grid;
  justify-content: start;
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -16px;
  gap: 6px;
  width: auto;
  max-width: none;
  transform: translateY(-50%);
}

.video-tabs button {
  border: 1px solid rgba(215, 178, 113, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #e8ddcd;
  cursor: pointer;
  font-family: "Microsoft JhengHei UI", "Microsoft JhengHei", "Noto Sans TC", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  inline-size: 58px;
  block-size: 58px;
  display: grid;
  place-content: center;
  line-height: 1.08;
  padding: 8px;
  text-align: center;
}

.video-tabs button span {
  display: block;
  white-space: nowrap;
}

.video-tabs button.active {
  background: var(--amber);
  color: #111;
}

.project-body {
  padding: clamp(24px, 4vw, 46px);
}

.project-kicker {
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
}

.project h3 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 2.6vw, 2.6rem);
  line-height: 1.18;
}

.project-body > p {
  color: #d9d1c4;
  line-height: 1.85;
}

.project-role {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(113, 209, 194, 0.28);
  background: rgba(113, 209, 194, 0.08);
  color: #d5eee9 !important;
  font-size: 0.9rem;
  font-weight: 800;
}

.project-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0;
  list-style: none;
  color: var(--muted);
  line-height: 1.7;
}

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

.project-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--rose);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tags span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: #b9b2a6;
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.78rem;
  font-weight: 700;
}

.project-links a {
  border-color: rgba(215, 174, 106, 0.65);
  background: rgba(215, 174, 106, 0.16);
  color: #ffd995;
}

.project-links a::after {
  content: "->";
  margin-left: 10px;
  color: var(--amber);
}

.project-links a:hover {
  border-color: var(--amber);
  background: var(--amber);
  color: #101113;
}

.project-links a:hover::after {
  color: #101113;
}

.craft {
  background: #151719;
  border-bottom: 1px solid var(--line);
}

.depth {
  background: #101113;
  border-bottom: 1px solid var(--line);
}

.depth-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: start;
}

.depth-sticky {
  position: sticky;
  top: 96px;
}

.depth-sticky h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.12;
}

.depth-sticky p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 2;
}

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

.depth-list article {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(150px, 0.45fr) minmax(240px, 1fr);
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.depth-list span {
  color: var(--rose);
  font-weight: 900;
}

.depth-list h3 {
  margin-bottom: 0;
  color: var(--amber);
  font-size: 1.08rem;
}

.depth-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.85;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability-grid div {
  min-height: 220px;
  padding: 26px;
  background: var(--panel-soft);
}

.capability-grid h3 {
  margin-bottom: 12px;
  color: var(--leaf);
  font-size: 1.2rem;
}

.capability-grid p {
  color: var(--muted);
  line-height: 1.85;
}

.timeline {
  background: #111417;
}

.career-direction {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(215, 174, 106, 0.1);
  color: #f4dfb8 !important;
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  background: #0f1012;
}

.footer-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.footer-links .contact-link {
  border-color: rgba(113, 209, 194, 0.55);
  background: rgba(113, 209, 194, 0.12);
  color: #9ce5db;
}

@media (max-width: 1040px) {
  .project-grid,
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .depth-layout {
    grid-template-columns: 1fr;
  }

  .depth-sticky {
    position: static;
  }

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

  .project-featured .project-video {
    grid-template-columns: 1fr;
    gap: 12px;
    justify-items: center;
  }

  .video-frame,
  .video-tabs {
    width: 100%;
    max-width: 520px;
  }

  .video-tabs {
    position: static;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    transform: none;
  }

  .video-tabs button {
    inline-size: auto;
    block-size: auto;
    min-width: 0;
    padding: 8px 13px;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 58px;
    padding: 0 18px;
  }

  nav {
    gap: 14px;
    font-size: 0.82rem;
  }

  .brand {
    max-width: 130px;
    line-height: 1.2;
  }

  .hero {
    min-height: 86vh;
    padding: 88px 20px 54px;
  }

  .proof-band,
  .intro,
  .project-grid,
  .capability-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .depth-list article {
    grid-template-columns: 42px 1fr;
    gap: 10px 16px;
  }

  .depth-list p {
    grid-column: 2;
  }

  .proof-band div {
    min-height: auto;
    padding: 22px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .intro,
  .projects,
  .depth,
  .craft,
  .timeline,
  .site-footer {
    padding: 58px 20px;
  }

  .project-image {
    min-height: 220px;
  }

  .project-body {
    padding: 24px;
  }

  .site-footer {
    align-items: start;
    flex-direction: column;
  }
}