/* ============================================================
   page.css — generic pages (about, resources)
   ============================================================ */

.page-main { max-width: 820px; margin: 0 auto; padding: 3rem 1.5rem 4rem; }

.page-header { margin-bottom: 2.5rem; }
.page-header h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; }
.page-header h1 .acc { color: var(--accent); }
.page-subtitle { color: var(--text-muted); margin-top: 0.6rem; font-size: 0.92rem; line-height: 1.7; }

.page-content { font-size: 0.92rem; line-height: 1.75; color: var(--text); }
.page-content h2 {
  font-size: 1.15rem; margin: 2.5rem 0 1rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.page-content h2::before { content: ">"; color: var(--accent); font-weight: 400; }
.page-content h3 { font-size: 1rem; margin: 1.5rem 0 0.6rem; }
.page-content p { margin: 0 0 1rem; }
.page-content ul { margin: 0 0 1rem; padding-left: 1.5rem; }
.page-content li { margin-bottom: 0.4rem; }
.page-content a { color: var(--accent-bright); }
.page-content a:hover { color: var(--accent); }

/* ============================================================
   HIGHLIGHTS — inline word coloring
   ============================================================ */
.hl { color: var(--accent); font-weight: 600; }
.hl-p { color: var(--purple-bright); font-weight: 600; }
.hl-code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--bg-hover); color: var(--accent-bright);
  padding: 0.1em 0.35em; border-radius: 4px; border: 1px solid var(--border);
}

/* ============================================================
   FOCUS GRID — about page focus cards
   ============================================================ */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem; margin-top: 0.5rem;
}
.focus-card {
  padding: 1.3rem 1.2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.focus-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.focus-card:hover {
  border-color: var(--accent-dim); transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}
.focus-card:hover::before { transform: scaleX(1); }
.fc-icon { font-size: 1.3rem; margin-bottom: 0.6rem; filter: grayscale(0.2); }
.fc-label { font-size: 0.88rem; font-weight: 700; color: var(--text-bright); margin-bottom: 0.35rem; }
.fc-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.55; }

/* ============================================================
   TOOLKIT — category cards with chips
   ============================================================ */
.toolkit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem; margin-top: 0.5rem;
}
.tool-cat {
  padding: 1.2rem 1.3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s ease;
}
.tool-cat:hover { border-color: var(--border-bright); }
.tc-header {
  font-size: 0.82rem; font-weight: 700; color: var(--text-bright);
  margin-bottom: 0.7rem; display: flex; align-items: center; gap: 0.4rem;
}
.tc-header::before {
  content: "▸"; color: var(--accent); font-size: 0.75rem;
}
.tc-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  display: inline-block; font-size: 0.74rem;
  padding: 0.2rem 0.6rem; border-radius: 6px;
  background: var(--bg-elevated); color: var(--text);
  border: 1px solid var(--border);
  transition: all 0.2s ease; cursor: default;
}
.chip:hover {
  background: var(--accent-glow); color: var(--accent-bright);
  border-color: var(--accent-dim); transform: translateY(-1px);
}
.chip.lang {
  border-color: rgba(168, 85, 247, 0.25);
  background: rgba(168, 85, 247, 0.06);
}
.chip.lang:hover {
  background: rgba(168, 85, 247, 0.15); color: var(--purple-bright);
  border-color: var(--purple);
}

/* ============================================================
   PROJECT GRID — notable projects
   ============================================================ */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem; margin-top: 0.5rem;
}
.project-card {
  display: flex; flex-direction: column;
  padding: 1.2rem 1.3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit; text-decoration: none;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.project-card::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transform: scaleX(0); transform-origin: right; transition: transform 0.35s ease;
}
.project-card:hover {
  border-color: var(--accent-dim); transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
  text-decoration: none;
}
.project-card:hover::after { transform: scaleX(1); transform-origin: left; }
.proj-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.5rem;
}
.proj-name {
  font-size: 0.92rem; font-weight: 700; color: var(--text-bright);
  transition: color 0.2s ease;
}
.project-card:hover .proj-name { color: var(--accent); }
.proj-lang {
  font-size: 0.66rem; font-weight: 600; text-transform: uppercase;
  padding: 0.1rem 0.45rem; border-radius: 4px; letter-spacing: 0.04em;
}
.proj-lang.py { background: rgba(53, 114, 165, 0.2); color: #6cb6ff; }
.proj-lang.ts { background: rgba(49, 120, 198, 0.2); color: #6cb6ff; }
.proj-lang.cpp { background: rgba(243, 93, 24, 0.2); color: #f5a05e; }
.proj-lang.sh { background: rgba(72, 141, 54, 0.2); color: #7ec699; }
.proj-lang.multi { background: rgba(168, 85, 247, 0.2); color: var(--purple-bright); }
.proj-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.55; flex-grow: 1; }
.proj-foot {
  margin-top: 0.6rem; font-size: 0.68rem; color: var(--text-muted);
  border-top: 1px solid var(--border); padding-top: 0.5rem;
}

/* ============================================================
   APPROACH — numbered step cards
   ============================================================ */
.approach-grid {
  display: flex; flex-direction: column; gap: 0.8rem; margin-top: 0.5rem;
}
.approach-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.approach-card:hover {
  border-color: var(--accent-dim); background: var(--bg-elevated);
}
.approach-num {
  font-size: 1.4rem; font-weight: 800; color: var(--accent);
  line-height: 1; flex-shrink: 0; min-width: 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.approach-body { font-size: 0.84rem; color: var(--text); line-height: 1.65; }

/* ============================================================
   NOTICE BOX — disclaimer
   ============================================================ */
.notice-box {
  display: flex; align-items: flex-start; gap: 0.8rem;
  padding: 1.2rem 1.4rem;
  background: rgba(255, 107, 53, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  margin-top: 0.5rem;
}
.notice-label {
  font-size: 0.78rem; font-weight: 700; color: var(--accent);
  flex-shrink: 0; padding-top: 0.1rem;
}
.notice-text { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ============================================================
   RESOURCE CARDS (resources page)
   ============================================================ */
.res-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem; margin-top: 1.5rem;
}
.res-card {
  padding: 1.4rem; background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.res-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.res-card h3 { font-size: 0.95rem; margin-bottom: 0.6rem; display: flex; align-items: center; gap: 0.4rem; }
.res-card h3::before { content: "##"; color: var(--accent); font-weight: 400; }
.res-card ul { list-style: none; padding: 0; }
.res-card li { padding: 0.4rem 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.res-card li:last-child { border-bottom: none; }
.res-card li a { color: var(--text); transition: color 0.2s ease; }
.res-card li a:hover { color: var(--accent); }
.res-card .desc { color: var(--text-muted); font-size: 0.76rem; }

/* ---- terminal block ---- */
.terminal {
  margin-top: 2rem; background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.terminal .term-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1rem; background: var(--bg-elevated); border-bottom: 1px solid var(--border);
}
.terminal .term-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal .term-dot.r { background: #ff5566; }
.terminal .term-dot.y { background: #ffb454; }
.terminal .term-dot.g { background: #40a376; }
.terminal .term-title { margin-left: 0.5rem; font-size: 0.75rem; color: var(--text-muted); }
.terminal .term-body { padding: 1.2rem; font-size: 0.86rem; line-height: 1.8; }
.terminal .term-line { color: var(--text); }
.terminal .term-prompt { color: var(--accent); }
.terminal .term-link { color: var(--accent-bright); border-bottom: 1px dotted var(--accent-bright); }
.terminal .term-link:hover { color: var(--purple-bright); border-color: var(--purple-bright); }

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }