:root {
  --bg: #f7f5f2;
  --text: #171312;
  --muted: #534b47;
  --line: #d8ccc5;
  --card: #fffaf6;
  --accent: #c85428;
  --accent-2: #0f7a65;
  --shadow: 0 14px 36px rgba(23, 19, 18, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans SC", "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.mesh {
  position: fixed;
  inset: -30% -10% auto;
  height: 65vh;
  background: radial-gradient(circle at 20% 35%, rgba(200, 84, 40, 0.3), transparent 45%),
    radial-gradient(circle at 70% 25%, rgba(15, 122, 101, 0.25), transparent 42%),
    radial-gradient(circle at 50% 60%, rgba(227, 166, 79, 0.18), transparent 48%);
  z-index: -1;
  pointer-events: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 5vw;
  backdrop-filter: blur(10px);
  background: rgba(247, 245, 242, 0.75);
  border-bottom: 1px solid rgba(216, 204, 197, 0.8);
}

.topbar nav {
  display: flex;
  gap: 1rem;
}

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

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.resume {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.section {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 4rem 0;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 0.6rem;
}

.quick-info article {
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 246, 0.8);
}

.quick-info h3 {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
  color: var(--accent-2);
}

.quick-info p {
  margin: 0;
  color: var(--muted);
}

.hero {
  padding-top: 5rem;
}

.tag {
  display: inline-block;
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

h1 {
  margin: 0.7rem 0 1rem;
  font-size: clamp(2.05rem, 5vw, 4rem);
  line-height: 1.1;
  max-width: 16ch;
}

.intro {
  max-width: 62ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  padding: 0.72rem 1rem;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--text);
  color: #fff;
}

.btn.ghost {
  border-color: var(--line);
  background: rgba(255, 250, 246, 0.65);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  font-size: 0.86rem;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.card {
  grid-column: span 6;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.5s ease forwards;
}

.card:nth-child(odd) {
  animation-delay: 0.05s;
}

.thumb-wrap {
  aspect-ratio: 16 / 10;
  background: linear-gradient(145deg, #ecdfd6, #f9f4ee);
}

.thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1rem 1rem 1.2rem;
}

.meta {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h3 {
  margin: 0.36rem 0 0.45rem;
  font-size: 1.2rem;
}

.desc {
  margin: 0;
  color: var(--muted);
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.9rem 0 0;
  padding: 0;
}

.tags li {
  background: rgba(200, 84, 40, 0.08);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.2rem 0.58rem;
  font-size: 0.78rem;
}

.link-btn {
  display: block;
  margin-top: 0.95rem;
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}

.link-btn:hover {
  border-color: var(--text);
}

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

.about-grid article {
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 246, 0.8);
}

.contact p {
  margin: 0.5rem 0;
}

.contact a {
  color: var(--accent-2);
  font-weight: 700;
}

footer {
  padding: 2.5rem 0 3.2rem;
  text-align: center;
  color: var(--muted);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .card {
    grid-column: span 12;
  }

  .quick-info {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .topbar nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 3rem 0;
  }

  .hero {
    padding-top: 3.6rem;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }
}

.project-page {
  padding-top: 3rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--accent-2);
  font-weight: 700;
}

.project-meta {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 700;
}

.project-summary {
  color: var(--muted);
  max-width: 70ch;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.7rem 0 1rem;
}

.project-tag {
  background: rgba(200, 84, 40, 0.08);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.2rem 0.58rem;
  font-size: 0.78rem;
}

.project-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.project-copy article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 250, 246, 0.8);
}

.project-copy h2 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.project-copy p,
.project-copy li {
  color: var(--muted);
}

.project-copy ul {
  margin: 0;
  padding-left: 1rem;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.project-image-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.project-image-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.project-empty {
  padding-top: 7rem;
  text-align: center;
}

@media (max-width: 900px) {
  .project-copy,
  .project-gallery {
    grid-template-columns: 1fr;
  }
}