/* ---------- Tokens ---------- */
:root {
  --paper: #F5F4F0;
  --card: #FBFAF6;
  --ink: #2B2A23;
  --ink-soft: #55534A;
  --muted: #8A877B;
  --line: #E4E2D8;
  --coral: #C97B63;
  --purple: #8F7FB8;
  --green: #5BAA6B;
  --red: #D45D5D;
  --blue: #6E92A8;
  --yellow: #C9A254;
  --gray: #9E9B90;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --pixel: "Press Start 2P", "Courier New", monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
::selection { background: var(--ink); color: var(--paper); }

/* ---------- Reveal ---------- */
.js .reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.js .reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Header ---------- */
.site-head {
  max-width: 1080px; margin: 0 auto;
  padding: 30px 28px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.mark { display: inline-flex; align-items: center; justify-content: center; }
.brand-name {
  font-family: var(--pixel);
  font-weight: 400;
  letter-spacing: 0.18em;
  font-size: 12px;
}
.site-head-domain {
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 72vh;
  display: flex; align-items: center; justify-content: center;
  padding: 60px 28px 60px;
}
.hero-inner { width: 100%; max-width: 1080px; }

.hero-pixel-row {
  display: flex; gap: 4px; margin-bottom: 28px;
}
.hero-pixel-row span {
  width: 8px; height: 8px;
  animation: pixel-fade 2s ease-in-out infinite;
}
.hero-pixel-row span:nth-child(1)  { background: var(--coral); animation-delay: 0s; }
.hero-pixel-row span:nth-child(2)  { background: var(--yellow); animation-delay: 0.1s; }
.hero-pixel-row span:nth-child(3)  { background: var(--green); animation-delay: 0.2s; }
.hero-pixel-row span:nth-child(4)  { background: var(--purple); animation-delay: 0.3s; }
.hero-pixel-row span:nth-child(5)  { background: var(--blue); animation-delay: 0.4s; }
.hero-pixel-row span:nth-child(6)  { background: var(--coral); animation-delay: 0.5s; opacity: 0.6; }
.hero-pixel-row span:nth-child(7)  { background: var(--yellow); animation-delay: 0.6s; opacity: 0.5; }
.hero-pixel-row span:nth-child(8)  { background: var(--green); animation-delay: 0.7s; opacity: 0.4; }
.hero-pixel-row span:nth-child(9)  { background: var(--purple); animation-delay: 0.8s; opacity: 0.3; }
.hero-pixel-row span:nth-child(10) { background: var(--blue); animation-delay: 0.9s; opacity: 0.2; }

@keyframes pixel-fade {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.hero-title {
  font-family: var(--pixel);
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.hero-sub {
  margin-top: 20px;
  font-size: clamp(1.1rem, 2.8vw, 1.35rem);
  line-height: 1.8;
  color: var(--ink-soft);
  animation: fade-in 1s ease 0.12s both;
}
.hero-bob {
  margin-top: 48px;
  display: inline-flex; gap: 5px;
  animation: hero-walk 5.5s ease-in-out infinite;
}
.hero-bob .px { width: 6px; height: 6px; background: var(--ink); }
.hero-bob .px-1 { opacity: 0.25; }
.hero-bob .px-2 { opacity: 0.4; }
.hero-bob .px-3 { opacity: 0.55; }
.hero-bob .px-4 { opacity: 0.4; }
.hero-bob .px-5 { opacity: 0.25; }

@keyframes hero-walk {
  0%, 100% { transform: translateX(-12px); }
  50% { transform: translateX(12px); }
}

/* ---------- Overline ---------- */
.overline {
  font-family: var(--pixel);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}
.overline-dots {
  display: inline-block;
  animation: dots-blink 1.5s step-end infinite;
}
@keyframes dots-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ---------- Works ---------- */
.works {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 28px 60px;
}
.works-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* ---------- Card ---------- */
.card {
  --accent: var(--ink);
  background: var(--card);
  border: 2.5px solid var(--ink);
  padding: 28px 26px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  overflow: hidden;
}

/* Pixel corner decoration */
.card-corner {
  position: absolute;
  top: 0; right: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent var(--accent) transparent transparent;
  opacity: 0.15;
  transition: opacity 0.2s ease;
}
.card:hover .card-corner { opacity: 0.35; }

/* Pixel shadow on hover */
.card::after {
  content: "";
  position: absolute;
  bottom: -5px; left: -5px; right: -5px; height: 5px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0px, var(--ink) 5px,
    transparent 5px, transparent 10px
  );
  opacity: 0;
  transition: opacity 0.2s ease;
}
.card:hover::after { opacity: 0.2; }

.card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--ink);
}

.card-disabled {
  opacity: 0.6;
  cursor: default;
}
.card-disabled:hover {
  transform: none;
  box-shadow: none;
}
.card-disabled::after { display: none; }

/* Card colors */
.card-coral { --accent: var(--coral); }
.card-coral .card-badge { color: var(--coral); border-color: var(--coral); }
.card-coral:hover { border-color: var(--coral); }

.card-purple { --accent: var(--purple); }
.card-purple .card-badge { color: var(--purple); border-color: var(--purple); }
.card-purple:hover { border-color: var(--purple); }

.card-green { --accent: var(--green); }
.card-green .card-badge { color: var(--green); border-color: var(--green); }
.card-green:hover { border-color: var(--green); }

.card-red { --accent: var(--red); }
.card-red .card-badge { color: var(--red); border-color: var(--red); }
.card-red:hover { border-color: var(--red); }

.card-blue { --accent: var(--blue); }
.card-blue .card-badge { color: var(--blue); border-color: var(--blue); }
.card-blue:hover { border-color: var(--blue); }

.card-gray { --accent: var(--gray); }
.card-gray .card-badge { color: var(--gray); border-color: var(--gray); }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.card-icon { font-size: 28px; }
.card-badge {
  font-family: var(--pixel);
  font-size: 8px;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border: 1.5px solid currentColor;
}
.badge-dev { color: var(--gray); border-color: var(--gray); }

/* Blinking dot for DEV */
.blink {
  display: inline-block;
  animation: blink-anim 1s step-end infinite;
  margin-right: 2px;
}
@keyframes blink-anim {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.card-name {
  font-family: var(--pixel);
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.card-desc {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  flex: 1;
}
.card-link {
  margin-top: 20px;
  font-family: var(--pixel);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link-disabled { color: var(--muted); }

.card-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
  letter-spacing: -2px;
}
.card:hover .card-arrow {
  transform: translateX(4px);
  letter-spacing: 0px;
}

/* ---------- Featured ---------- */
.featured {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px 40px;
}
.featured-inner {
  background: var(--card);
  border: 2.5px solid var(--ink);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.featured-inner:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--ink);
}
.featured-img {
  background: var(--line);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}
.featured-placeholder-icon { font-size: 48px; }
.featured-placeholder-text {
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: 0.16em;
}
.featured-text {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-badge {
  font-family: var(--pixel);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--yellow);
  border: 1.5px solid var(--yellow);
  padding: 4px 10px;
  display: inline-block;
  width: fit-content;
  margin-bottom: 16px;
}
.featured-title {
  font-family: var(--pixel);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.featured-desc {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}
.featured-cta {
  margin-top: 24px;
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}
.featured-cta:hover .card-arrow {
  transform: translateX(4px);
  letter-spacing: 0px;
}

/* Card yellow */
.card-yellow { --accent: var(--yellow); }
.card-yellow .card-badge { color: var(--yellow); border-color: var(--yellow); }
.card-yellow:hover { border-color: var(--yellow); }

/* ---------- Pixel Divider ---------- */
.pixel-divider {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  gap: 4px;
  justify-content: center;
}
.pixel-divider span {
  width: 6px; height: 6px;
  background: var(--ink);
  opacity: 0.12;
}
.pixel-divider span:nth-child(odd) { opacity: 0.08; }

/* ---------- About ---------- */
.about {
  max-width: 1080px;
  margin: 0 auto;
  padding: 60px 28px 80px;
  position: relative;
}
.about-body {
  margin-top: 36px;
  max-width: 600px;
}
.about-body p {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  line-height: 2;
  margin-bottom: 14px;
}
.about-sig {
  margin-top: 20px !important;
  font-family: var(--pixel);
  font-size: 11px !important;
  letter-spacing: 0.06em;
}
.about-pixels {
  position: absolute;
  right: 60px;
  bottom: 80px;
  display: flex;
  gap: 8px;
}
.ap {
  width: 10px; height: 10px;
  animation: float 3s ease-in-out infinite;
}
.ap-1 { background: var(--coral); animation-delay: 0s; }
.ap-2 { background: var(--green); animation-delay: 0.5s; }
.ap-3 { background: var(--purple); animation-delay: 1s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Footer ---------- */
.site-foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 30px 28px 42px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  border-top: 2.5px solid var(--ink);
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.site-foot .brand-name { color: var(--ink); }
.foot-divider { color: var(--muted); }
.foot-copy {
  width: 100%;
  margin-top: 14px;
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---------- Motion ---------- */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-sub, .hero-pixel-row span, .blink, .ap { animation: none; }
  .card, .card-arrow { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .about-pixels { display: none; }
  .featured-inner { grid-template-columns: 1fr; }
  .featured-img { min-height: 200px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .site-head { padding: 22px 20px 0; }
  .site-head-domain { display: none; }
  .hero { min-height: auto; padding: 70px 20px 50px; }
  .works, .about { padding-left: 20px; padding-right: 20px; }
  .works-grid { grid-template-columns: 1fr; gap: 14px; }
  .card { padding: 22px 20px 20px; }
  .site-foot { padding: 26px 20px 36px; }
  .featured { padding-left: 20px; padding-right: 20px; }
  .featured-text { padding: 28px 24px; }
}