:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #141414;
  --muted: #5c5c5c;
  --border: #e6e6e6;
  --accent: #1f5f5b;
  --accent-strong: #174645;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

.nav a:hover {
  color: var(--accent);
}

.hero {
  height: 100vh;
  padding-top: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.75rem;
  background:
    radial-gradient(40% 40% at 20% 20%, rgba(31, 95, 91, 0.08), transparent 60%),
    radial-gradient(35% 35% at 80% 30%, rgba(0, 0, 0, 0.06), transparent 65%),
    var(--bg);
}

.hero-inner {
  max-width: 1100px;
  width: 100%;
  margin: 0 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: center;
  gap: 2.5rem;
}

.hero-copy {
  text-align: left;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: left;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.hero-name {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), #0f3f3d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 3.3rem;
  position: relative;
}

.hero-name::after {
  content: '';
  display: block;
  width: 50%;
  height: 3px;
  background: var(--accent);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

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

.polaroid {
  background: #fff;
  padding: 0.75rem 0.75rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border);
  transform: rotate(-2deg);
}

.polaroid img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.polaroid figcaption {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.btn {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #ffffff;
  border-radius: 6px;
  text-decoration: none;
  font-size: 1rem;
  transition: 0.3s ease;
}

.btn:hover {
  background: var(--accent-strong);
}

section {
  padding: 6rem 1.5rem;
  max-width: 1100px;
  margin: auto;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.section-icon {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(31, 95, 91, 0.12);
  flex-shrink: 0;
}

h2 {
  font-size: 2.2rem;
  text-align: left;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.08));
  max-width: 1100px;
  margin: 0 auto;
}

.now-section {
  padding-top: 2rem;
}

.now-text {
  font-size: 1.05rem;
  color: var(--muted);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.project-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: 0.3s ease;
  background: var(--surface);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}

.tag {
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: #fafafa;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 2rem;
}

.filter-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}

.filter-btn.is-active,
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.featured-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2rem;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  margin-bottom: 2rem;
}

.featured-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.featured-cover {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 2.5rem;
  max-width: 1200px;
  margin: 6rem auto 4rem;
  padding: 0 1.5rem;
}

.project-sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.sidebar-title {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.project-item {
  display: block;
  text-decoration: none;
  color: var(--text);
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.project-item:hover {
  border-color: var(--border);
  background: #f4f4f2;
}

.project-item-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.project-item-preview {
  color: var(--muted);
  font-size: 0.95rem;
}

.project-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.project-cover {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.project-title {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
}

.project-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.project-content {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 2rem;
}

.project-content h1,
.project-content h2,
.project-content h3,
.project-content h4 {
  margin: 1.6rem 0 0.75rem;
  line-height: 1.25;
}

.project-content p {
  margin: 0.8rem 0;
}

.project-content ul,
.project-content ol {
  margin: 0.75rem 0 1rem 1.25rem;
  padding-left: 0.5rem;
}

.project-content li {
  margin: 0.35rem 0;
}

.project-content code {
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.95rem;
  background: #f3f3f1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.12rem 0.35rem;
}

.project-content pre {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.2rem;
  background: #f3f3f1;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
}

.project-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.95rem;
}

.project-content blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-links a {
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  color: var(--text);
  font-weight: 500;
}

.project-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-title {
    text-align: center;
  }

  .polaroid {
    margin: 0 auto;
    transform: rotate(-1deg);
    max-width: 280px;
  }

  .featured-card {
    grid-template-columns: 1fr;
  }

  .project-layout {
    grid-template-columns: 1fr;
    margin-top: 5rem;
  }

  .project-sidebar {
    position: static;
    order: 2;
  }

  .project-main {
    order: 1;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-name {
    font-size: 2.5rem;
  }
  .nav-links {
    gap: 1rem;
  }
}

.footer {
  border-top: 1px solid var(--border);
  background: #f2f2ef;
  padding: 1.5rem 0;
  margin-top: 3rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

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

.footer a:hover {
  color: var(--accent);
}