/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d1117;
  --bg-alt:    #161b22;
  --border:    #21262d;
  --text:      #e6edf3;
  --muted:     #8b949e;
  --accent:    #58a6ff;
  --accent-2:  #3fb950;
  --danger:    #f85149;
  --card-bg:   #161b22;
  --radius:    12px;
  --font:      'Inter', system-ui, sans-serif;
  --mono:      'JetBrains Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
}

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

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color .2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 5rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content { flex: 1; max-width: 540px; }

.hero-greeting {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.hero-name {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero-role {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
  font-weight: 400;
}

.hero-desc {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 440px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity .2s, transform .15s;
  cursor: pointer;
  border: none;
}

.btn:hover { opacity: 0.85; transform: translateY(-1px); text-decoration: none; }

.btn-primary  { background: var(--accent); color: #0d1117; }
.btn-outline  { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ===== HERO CODE BLOCK ===== */
.hero-code {
  flex: 0 0 auto;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.8rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.8;
  white-space: pre;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.c-keyword { color: #ff7b72; }
.c-class   { color: #ffa657; }
.c-fn      { color: #d2a8ff; }
.c-string  { color: #a5d6ff; }
.c-op      { color: var(--muted); }
.accent    { color: var(--accent); }

/* ===== SECTIONS ===== */
.section    { padding: 5rem 2rem; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.container  { max-width: 900px; margin: 0 auto; }

.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 6px;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p { color: var(--muted); margin-bottom: 1rem; line-height: 1.75; }
.about-text strong { color: var(--text); font-weight: 600; }

.skills h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .06em; font-size: 0.8rem; }

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

/* ===== TAGS ===== */
.tag {
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(88, 166, 255, 0.2);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
}

.tag-sm { font-size: 0.75rem; padding: 0.2rem 0.6rem; }

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s, transform .2s;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-icon { font-size: 1.8rem; line-height: 1; }

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

.icon-link {
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color .2s;
}

.icon-link:hover { color: var(--accent); text-decoration: none; }

.repo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  transition: color .2s, border-color .2s;
}

.repo-link:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.card-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
  flex: 1;
}

.card-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.card-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: auto;
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.live { background: var(--accent-2); box-shadow: 0 0 6px var(--accent-2); }
.status-dot.dev  { background: #e3b341;         box-shadow: 0 0 6px #e3b341; }

/* ===== CONTACT ===== */
.contact-container { text-align: center; }

.contact-text {
  color: var(--muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: color .2s, border-color .2s;
}

.contact-item:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  /* Nav */
  .nav { padding: 0 1.2rem; }
  .nav-links { gap: 1rem; }

  /* Hero */
  .hero {
    flex-direction: column;
    gap: 2.5rem;
    padding: 6rem 1.2rem 3rem;
    text-align: center;
  }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-code {
    font-size: 0.78rem;
    padding: 1.2rem;
    width: 100%;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    text-align: left;
  }

  /* Sections */
  .section { padding: 3.5rem 1.2rem; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }
  .card { padding: 1.2rem; }
  .card-header { flex-wrap: wrap; gap: 0.6rem; }
  .card-links { flex-wrap: wrap; gap: 0.4rem; }
  .card-tech { gap: 0.3rem; }

  /* Contact */
  .contact-links { flex-direction: column; align-items: center; }
  .contact-item { width: 100%; max-width: 320px; justify-content: center; }
}

@media (max-width: 480px) {
  /* Nav */
  .nav-links { display: none; }

  /* Hero */
  .hero { padding: 5rem 1rem 2.5rem; }
  .hero-name { font-size: 2rem; }
  .hero-role { font-size: 1rem; }
  .hero-code { font-size: 0.72rem; white-space: pre-wrap; word-break: break-word; text-align: left; }

  /* Sections */
  .section { padding: 3rem 1rem; }
  .section-title { font-size: 1.4rem; }

  /* Cards */
  .card { padding: 1rem; gap: 0.75rem; }
  .card-title { font-size: 0.95rem; }
  .card-desc { font-size: 0.85rem; }
  .repo-link { font-size: 0.72rem; padding: 0.18rem 0.45rem; }
  .tag-sm { font-size: 0.7rem; }
}