@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600;700&display=swap');

:root {
  --tech-bg: #0d1117;
  --tech-bg-2: #161b22;
  --tech-bg-3: #1c2128;
  --tech-text: #c9d1d9;
  --tech-text-dim: #8b949e;
  --tech-accent: #58a6ff;
  --tech-accent-green: #3fb950;
  --tech-border: #30363d;
  --tech-font: 'JetBrains Mono', 'Courier New', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--tech-bg);
  color: var(--tech-text);
  font-family: var(--tech-font);
  min-height: 100vh;
}

/* ─── Header ──────────────────────────────────── */
.page-header {
  background: var(--tech-bg-2);
  border-bottom: 1px solid var(--tech-border);
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-header-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--tech-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-header-title::before { content: '>_'; color: var(--tech-accent-green); }

.back-link {
  font-size: 0.72rem;
  color: var(--tech-text-dim);
  text-decoration: none;
  border: 1px solid var(--tech-border);
  padding: 5px 12px;
  border-radius: 4px;
  transition: 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.back-link::before { content: '←'; }

.back-link:hover {
  color: var(--tech-accent);
  border-color: var(--tech-accent);
}

/* ─── Main Content ─────────────────────────────── */
.projects-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2.5rem;
}

.projects-intro {
  margin-bottom: 2.5rem;
}

.projects-intro h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--tech-accent);
  margin-bottom: 0.5rem;
}

.projects-intro p {
  font-size: 0.75rem;
  color: var(--tech-text-dim);
  line-height: 1.6;
}

/* ─── Projects Grid ────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 1.75rem;
}

/* Project card image */
.p-card-img {
  width: 100%;
  height: 220px;
  border-radius: 5px;
  object-fit: cover;
  display: block;
}

.p-card-img-placeholder {
  width: 100%;
  height: 220px;
  border-radius: 5px;
  background: var(--tech-bg-3);
  border: 1px dashed var(--tech-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--tech-text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}

.p-card-img-placeholder .img-icon { font-size: 1.8rem; opacity: 0.35; }

.p-card {
  background: var(--tech-bg-2);
  border: 1px solid var(--tech-border);
  border-radius: 8px;
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: 0.2s ease;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.p-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--tech-accent), var(--tech-accent-green));
  opacity: 0;
  transition: 0.2s ease;
}

.p-card:hover {
  border-color: var(--tech-accent);
  box-shadow: 0 0 24px rgba(88,166,255,0.1), inset 0 0 24px rgba(88,166,255,0.02);
  transform: translateY(-3px);
}

.p-card:hover::before { opacity: 1; }

.p-card-num {
  font-size: 0.6rem;
  color: var(--tech-text-dim);
  opacity: 0.5;
}

.p-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--tech-accent);
  line-height: 1.3;
}

.p-card-desc {
  font-size: 0.8rem;
  color: var(--tech-text-dim);
  line-height: 1.7;
  flex: 1;
}

.p-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.p-tech-badge {
  font-size: 0.62rem;
  background: var(--tech-bg-3);
  color: var(--tech-accent-green);
  border: 1px solid var(--tech-border);
  padding: 2px 7px;
  border-radius: 3px;
}

.p-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--tech-border);
}

.p-card-github {
  font-size: 0.68rem;
  color: var(--tech-accent);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.p-card-github::before { content: '↗'; }

.p-featured-badge {
  font-size: 0.6rem;
  color: var(--tech-accent-green);
  border: 1px solid var(--tech-accent-green);
  padding: 1px 7px;
  border-radius: 3px;
  opacity: 0.8;
}

/* ─── Footer ──────────────────────────────────── */
.page-footer {
  text-align: center;
  padding: 2.5rem;
  font-size: 0.65rem;
  color: var(--tech-text-dim);
  border-top: 1px solid var(--tech-border);
  margin-top: 3rem;
}

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 1000px) {
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .page-header { padding: 1rem 1.25rem; }
  .projects-main { padding: 2rem 1.25rem; }
  .p-card { padding: 1.5rem; }
}