/* ============================================================
   Alireza — Portfolio
   نکته: همه‌چی تو یه فایل CSS. نه ۴ تا فایل جدا با ۲-۳ خط توشون.
   اینجوری رنگ‌ها و فونت‌ها یه‌جا مدیریت میشن و هماهنگ می‌مونن.
   ============================================================ */

:root {
  --bg: #0b0c08;
  --panel: #16170f;
  --line: #2b2c1f;
  --phosphor: #ffb000;
  --phosphor-dim: #9c7a2e;
  --text: #e7e3d3;
  --text-muted: #86816c;
  --mono: 'IBM Plex Mono', monospace;
  --serif: 'Source Serif 4', Georgia, serif;
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  line-height: 1.65;
  font-size: 17px;
}

a { color: var(--phosphor); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--phosphor);
  outline-offset: 3px;
}

/* ---------- Header / terminal title bar ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.title-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.25rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-muted);
}

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.dot.r { background: #8a3b32; }
.dot.y { background: #8a7332; }
.dot.g { background: #3b6b3a; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  padding: .9rem 1.25rem;
}

.logo { font-family: var(--mono); font-weight: 600; font-size: 1.05rem; color: var(--text); }
.logo span { color: var(--phosphor); }

/* از <ul><li> استفاده کردم، نه <button><a> که تو اومو داشتی
   (button دور a گذاشتن یعنی interactive تو interactive، غلطه) */
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: .88rem;
}
.nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--phosphor); text-decoration: none; }
.nav-links a.active { color: var(--phosphor); }
.nav-links a.active::before { content: "> "; }

@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; }
  .nav-links { gap: 1rem; }
}

/* ---------- Layout ---------- */
main { max-width: 760px; margin: 0 auto; padding: 4rem 1.5rem 5rem; }

.eyebrow {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--phosphor-dim);
  margin: 0 0 .75rem;
}
.eyebrow::before { content: "$ "; color: var(--text-muted); }

.page-title { font-family: var(--mono); font-size: 1.9rem; margin: 0 0 1.75rem; color: var(--text); }
.section-title { font-family: var(--mono); font-size: 1.1rem; color: var(--phosphor); margin: 3rem 0 1rem; }
.lede { font-size: 1.05rem; color: var(--text); max-width: 60ch; }
p { max-width: 60ch; }

/* ---------- Hero ---------- */
.hero { padding: 5rem 1.5rem 4rem; max-width: 760px; margin: 0 auto; }
.hero-title { font-family: var(--mono); font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0 0 1rem; }

/* کرسر چشمک‌زن به‌جای <br> های الکی، با animation ساده */
.cursor {
  display: inline-block;
  width: .55ch;
  background: var(--phosphor);
  animation: blink 1s steps(1) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-text { font-size: 1.1rem; color: var(--text); max-width: 55ch; }

.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0; }
.tag {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--phosphor-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .3rem .6rem;
  background: var(--panel);
}

.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.btn {
  font-family: var(--mono);
  font-size: .9rem;
  padding: .7rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--phosphor-dim);
  transition: transform .15s ease, background .15s ease, color .15s ease;
  display: inline-block;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--phosphor); color: #14150c; border-color: var(--phosphor); }
.btn-primary:hover { background: #ffc23d; }
.btn-secondary { color: var(--phosphor); background: transparent; }
.btn-secondary:hover { background: var(--panel); }

/* ---------- Fact list (About) ---------- */
.fact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.fact-list li {
  display: flex;
  gap: .7rem;
  align-items: baseline;
  border-bottom: 1px dashed var(--line);
  padding-bottom: .75rem;
}
.fact-icon { width: 1.4rem; }

/* ---------- Skills / Projects grids ---------- */
.skills-grid, .projects-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.skill-card, .project-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color .15s ease, transform .15s ease;
}
.skill-card:hover, .project-card:hover {
  border-color: var(--phosphor-dim);
  transform: translateY(-2px);
}
.skill-card h3, .project-card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  margin: 0 0 .75rem;
  color: var(--text);
  text-transform: lowercase;
}
.project-card p { font-size: .95rem; color: var(--text-muted); margin: 0 0 1rem; }
.project-link { font-family: var(--mono); font-size: .85rem; }

/* ---------- Footer ---------- */
.site-footer {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  text-align: center;
}
.site-footer .cursor { background: var(--text-muted); }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; opacity: 1; }
  html { scroll-behavior: auto; }
}