/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #060f1e;
  --bg2:      #0a1628;
  --bg3:      #0e1f38;
  --border:   #1a3a5c;
  --accent:   #00d4ff;
  --accent2:  #00ff99;
  --accent3:  #ff9500;
  --purple:   #9b59ff;
  --text:     #e2eaf4;
  --text-dim: #7a9bb5;
  --red:      #ff4757;
  --font:     'Inter', sans-serif;
  --mono:     'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

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

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

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 48px;
  background: rgba(6,15,30,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand { font-family: var(--mono); font-size: 1.1rem; }
.nav-bracket { color: var(--accent); }
.nav-name { color: var(--text); font-weight: 600; }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--text-dim); font-size: 0.9rem; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 48px 60px;
  position: relative; overflow: hidden;
}

.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .3;
}
.hero-grid-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(0,212,255,.08) 0%, transparent 70%);
}

.hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; width: 100%;
}

/* Terminal */
.hero-terminal {
  background: #030810;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0,212,255,.1), 0 20px 60px rgba(0,0,0,.5);
}

.terminal-bar {
  background: #0d1f35;
  padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28ca41; }
.terminal-title {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--text-dim); margin-left: 8px;
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--mono); font-size: 0.88rem;
  line-height: 2;
}
.prompt { color: var(--accent2); margin-right: 8px; }
.cmd    { color: var(--accent); }
.output { color: var(--text); padding-left: 16px; }
.cert-line { padding-left: 16px; display: flex; gap: 10px; flex-wrap: wrap; }

.cert-badge {
  display: inline-block;
  padding: 3px 12px; border-radius: 4px;
  font-size: 0.78rem; font-weight: 600;
  background: rgba(0,212,255,.12);
  border: 1px solid var(--accent);
  color: var(--accent);
}
.cert-badge.isc2 {
  background: rgba(0,255,153,.1);
  border-color: var(--accent2);
  color: var(--accent2);
}
.open-to-work { color: var(--accent2); padding-left: 16px; }
.cursor-line  { padding-left: 0; }
.cursor { animation: blink 1s step-end infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

/* Hero Info */
.hero-info h1 {
  font-size: 3.2rem; font-weight: 700; line-height: 1.1;
  margin-bottom: 8px;
}
.accent { color: var(--accent); }
.hero-subtitle {
  font-size: 1.2rem; color: var(--text-dim);
  font-family: var(--mono); margin-bottom: 20px;
}
.hero-desc {
  color: var(--text-dim); font-size: 0.98rem;
  line-height: 1.7; margin-bottom: 24px; max-width: 480px;
}

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.badge {
  padding: 5px 14px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600;
}
.badge-blue   { background: rgba(0,212,255,.12); border: 1px solid rgba(0,212,255,.3); color: var(--accent); }
.badge-green  { background: rgba(0,255,153,.1);  border: 1px solid rgba(0,255,153,.3); color: var(--accent2); }
.badge-purple { background: rgba(155,89,255,.1); border: 1px solid rgba(155,89,255,.3); color: var(--purple); }
.badge-orange { background: rgba(255,149,0,.1);  border: 1px solid rgba(255,149,0,.3);  color: var(--accent3); }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 11px 26px;
  border-radius: 8px; font-weight: 600; font-size: 0.9rem;
  transition: all .2s; cursor: pointer; border: none;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--accent); color: #030810;
}
.btn-primary:hover { background: #00b8dd; transform: translateY(-1px); }

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

.btn-ghost { color: var(--text-dim); background: transparent; }
.btn-ghost:hover { color: var(--accent); }

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: center; align-items: center;
  padding: 28px 48px; gap: 0;
}
.stat { text-align: center; padding: 0 48px; }
.stat-num {
  display: block; font-size: 2rem; font-weight: 700;
  color: var(--accent); font-family: var(--mono);
}
.stat-label { font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; }
.stat-divider { width: 1px; height: 48px; background: var(--border); }

/* ── Section Shared ───────────────────────────────────────── */
.projects-section, .skills-section, .contact-section {
  padding: 80px 48px;
  max-width: 1200px; margin: 0 auto;
}

.section-header { margin-bottom: 40px; }
.section-header h2 {
  font-size: 1.8rem; font-family: var(--mono);
  margin-bottom: 8px;
}
.section-sub { color: var(--text-dim); font-size: 0.9rem; }
.section-sub a { color: var(--accent); }

/* ── Filter Bar ───────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px;
}
.filter-btn {
  padding: 5px 16px; border-radius: 20px; cursor: pointer;
  font-size: 0.8rem; font-weight: 500; border: 1px solid var(--border);
  background: transparent; color: var(--text-dim);
  transition: all .2s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(0,212,255,.08);
}

/* ── Projects Grid ────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,212,255,.1);
}

.project-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 12px;
}
.project-title {
  font-size: 1.05rem; font-weight: 600; color: var(--text);
  flex: 1; margin-right: 12px;
}
.project-lang {
  font-size: 0.75rem; padding: 3px 10px; border-radius: 4px;
  background: rgba(0,212,255,.1); color: var(--accent);
  border: 1px solid rgba(0,212,255,.2); white-space: nowrap;
}

.project-desc {
  font-size: 0.88rem; color: var(--text-dim);
  line-height: 1.6; margin-bottom: 16px; flex: 1;
}

.project-tags {
  display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px;
}
.project-tag {
  font-size: 0.73rem; padding: 2px 9px; border-radius: 4px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border); color: var(--text-dim);
}

.project-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.project-meta { font-size: 0.78rem; color: var(--text-dim); }
.project-link {
  font-size: 0.82rem; font-weight: 600;
  color: var(--accent); display: flex; align-items: center; gap: 4px;
}
.project-link:hover { text-decoration: none; color: #00b8dd; }

/* Loading / Empty */
.loading-state, .empty-state {
  grid-column: 1/-1; text-align: center;
  padding: 60px; color: var(--text-dim);
}
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.last-sync {
  text-align: center; margin-top: 28px;
  font-size: 0.8rem; color: var(--text-dim); font-family: var(--mono);
}

/* ── Skills ───────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
  transition: border-color .2s;
}
.skill-card:hover { border-color: var(--accent); }

.skill-icon { font-size: 1.8rem; margin-bottom: 12px; }
.skill-card h3 { font-size: 1rem; margin-bottom: 12px; color: var(--accent); }
.skill-card ul { list-style: none; }
.skill-card li {
  font-size: 0.88rem; color: var(--text-dim);
  padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,.04);
}
.skill-card li::before { content: '→ '; color: var(--accent); font-size: 0.8rem; }

/* ── Contact ──────────────────────────────────────────────── */
.contact-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.contact-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px 24px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color .2s, transform .2s;
  text-decoration: none !important;
}
.contact-card:hover {
  border-color: var(--accent); transform: translateY(-3px);
}
.contact-icon { font-size: 1.6rem; }
.contact-label { font-size: 0.78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; }
.contact-val { font-size: 0.95rem; font-weight: 600; color: var(--text); }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  text-align: center; padding: 32px 48px;
  color: var(--text-dim); font-size: 0.85rem;
}
.footer-sub { margin-top: 6px; font-size: 0.8rem; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-terminal { order: 2; }
  .hero-info { order: 1; }
  .navbar { padding: 14px 24px; }
  .nav-links { gap: 20px; }
  .hero { padding: 90px 24px 48px; }
  .projects-section, .skills-section, .contact-section { padding: 60px 24px; }
  .stats-bar { padding: 20px 24px; gap: 0; }
  .stat { padding: 0 24px; }
}

@media (max-width: 600px) {
  .hero-info h1 { font-size: 2.2rem; }
  .nav-links { display: none; }
  .stats-bar { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
}