/* =============================================
   PacketPwned — Dark Hacker Aesthetic
   Palette: Deep black, electric cyan, acid green
   Fonts: DM Mono (code/headings), Inter (body)
============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Inter:wght@300;400;500;600&family=Syne:wght@700;800&display=swap');

:root {
  --bg:         #0a0a0f;
  --bg2:        #0f0f1a;
  --bg3:        #13131f;
  --border:     #1e1e30;
  --cyan:       #00e5ff;
  --green:      #39ff14;
  --red:        #ff2d55;
  --text:       #c8ccd8;
  --text-dim:   #5a5f72;
  --text-bright:#eef0f7;
  --mono:       'DM Mono', monospace;
  --sans:       'Inter', sans-serif;
  --display:    'Syne', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── Scanline overlay (signature element) ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,229,255,0.015) 2px,
    rgba(0,229,255,0.015) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--cyan); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green); }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
}

.nav-logo span { color: var(--green); }

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

.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color .2s;
}

.nav-links a:hover { color: var(--cyan); }

/* ── Hero ── */
.hero {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-label::before { content: '> '; color: var(--text-dim); }

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero h1 .accent { color: var(--cyan); }

.hero-sub {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.cert-badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--cyan);
  letter-spacing: 0.1em;
  background: rgba(0,229,255,0.04);
}

.cert-badge.highlight {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.08);
}

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

.btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
  cursor: pointer;
  transition: all .2s;
  display: inline-block;
}

.btn:hover {
  background: var(--cyan);
  color: var(--bg);
  color: #000;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text-dim);
}

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

/* ── Section ── */
.section {
  max-width: 900px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section h2 {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 2.5rem;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
}

.card {
  background: var(--bg2);
  padding: 1.5rem;
  transition: background .2s;
}

.card:hover { background: var(--bg3); }

.card-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.card h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-link {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-link::after { content: ' →'; }

/* ── Post list (writeups/blog) ── */
.post-list { list-style: none; }

.post-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.post-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-top: 0.2rem;
}

.post-title {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.post-title a { color: inherit; }
.post-title a:hover { color: var(--cyan); }

.post-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.post-tags {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  background: rgba(0,229,255,0.06);
  color: var(--cyan);
  border: 1px solid rgba(0,229,255,0.2);
}

/* ── Single post ── */
.post-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.post-header { margin-bottom: 3rem; }

.post-content h1 {
  font-family: var(--display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 1rem;
}

.post-content h2, .post-content h3 {
  font-family: var(--mono);
  color: var(--cyan);
  margin: 2rem 0 1rem;
}

.post-content p { margin-bottom: 1.2rem; }

.post-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 0.15em 0.4em;
  color: var(--green);
}

.post-content pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

.post-content blockquote {
  border-left: 3px solid var(--green);
  padding-left: 1rem;
  color: var(--text-dim);
  font-style: italic;
  margin: 1.5rem 0;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

footer span { color: var(--cyan); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .post-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .post-date { display: none; }
}