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

:root {
  --bg:        #0a0a0f;
  --surface:   #111118;
  --border:    #1e1e2a;
  --accent:    #00d4ff;
  --accent-dim:#00d4ff22;
  --text:      #f4f6fc;
  --muted:     #a0aabf;
  --faint:     #2a2a38;
}

html { scroll-behavior: smooth; }

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--faint); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2.5rem;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-decoration: none;
  z-index: 101;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

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

.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--accent); }

/* ── HAMBURGER BUTTON ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  padding: 6px;
  z-index: 101;
  transition: border-color 0.2s;
}

.nav-hamburger:hover { border-color: var(--accent); }

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--accent);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--accent);
}

/* ── MOBILE NAV OVERLAY ── */
@media (max-width: 640px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(280px, 80vw);
    height: 100dvh;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: 6rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
    letter-spacing: 0.06em;
  }
}

/* ── NAV BACKDROP ── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s;
}
.nav-backdrop.visible {
  opacity: 1;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem clamp(2rem, 6vw, 6rem) 4rem;
  max-width: 1280px;
  margin: 0 auto;
}

h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1.4rem;
}

.hero-tagline {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  margin-bottom: 2.6rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.7rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0f;
  font-weight: 600;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  margin-top: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ── SECTION SHARED ── */
section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem clamp(2rem, 6vw, 6rem);
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label span.num {
  color: var(--faint);
  font-size: 0.68rem;
}

h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  color: #fff;
  margin-bottom: 2.5rem;
  letter-spacing: -0.01em;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── ABOUT / CARDS GRID ── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s;
}

.about-card:hover { border-color: var(--accent); }

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.about-card:hover::before { opacity: 1; }

.card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 1rem;
  color: var(--accent);
}

.card-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.6rem;
}

.card-body {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.skill-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

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

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  transition: all 0.2s;
  cursor: default;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.tag.accent {
  border-color: #00d4ff44;
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── SOCIALS ── */
.socials-section { text-align: center; }

.socials-desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

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

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: 1.5rem;
  width: 140px;
  height: 140px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  text-decoration: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: all 0.2s;
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-4px);
}

.social-link svg {
  width: 42px;
  height: 42px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ── COMING SOON ── */
.coming-soon-wrapper {
  min-height: calc(100vh - 150px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.coming-soon-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.coming-soon-subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 500px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--faint);
  letter-spacing: 0.06em;
  margin-top: auto;
}

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

/* ── AMBIENT GLOW ── */
.glow-blob {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, #00d4ff0a 0%, transparent 70%);
  pointer-events: none;
  top: -150px;
  right: -150px;
  z-index: 0;
}

/* ── FADE IN ── */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── MOBILE ── */
@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  #hero, section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .social-links { gap: 0.6rem; }
  .social-link { font-size: 0.74rem; padding: 0.6rem 1rem; }
}


@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
}

/* ── MARKDOWN STYLES ── */
.markdown-body {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 {
  font-family: 'JetBrains Mono', monospace;
  color: #fff;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.markdown-body h1 { font-size: 2.2rem; }
.markdown-body h2 { font-size: 1.8rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.markdown-body h3 { font-size: 1.25rem; color: var(--accent); }

.markdown-body p, .markdown-body ul, .markdown-body ol {
  margin-bottom: 1.2rem;
}

/* ── HTB WRITEUP: text between h1 and h2 is pure white ── */
.markdown-body h1 ~ p,
.markdown-body h1 ~ ul,
.markdown-body h1 ~ ol,
.markdown-body h1 ~ details p,
.markdown-body h1 ~ .htb-links ~ p,
.markdown-body h1 ~ .htb-links ~ ul {
  color: #fff;
}

.markdown-body ul, .markdown-body ol {
  padding-left: 1.5rem;
}

.markdown-body li {
  margin-bottom: 0.5rem;
}

.markdown-body a {
  color: var(--accent);
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  background: var(--surface);
  color: var(--muted);
  border-radius: 0 4px 4px 0;
}

/* ── CODE BLOCKS ── */
.markdown-body code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: #ff79c6;
}

.markdown-body pre {
  background: #111118;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.markdown-body pre code {
  background: transparent;
  padding: 0;
  color: #f8f8f2;
  font-size: 0.9em;
}

/* Basic Syntax Highlighting (if codehilite is used) */
.codehilite .k { color: #ff79c6; font-weight: bold; } /* Keyword */
.codehilite .s { color: #f1fa8c; } /* String */
.codehilite .c { color: #6272a4; } /* Comment */
.codehilite .nb { color: #8be9fd; } /* Name.Builtin */
.codehilite .nv { color: #50fa7b; } /* Name.Variable */
.codehilite .nf { color: #50fa7b; } /* Name.Function */

/* Tables */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.markdown-body th, .markdown-body td {
  border: 1px solid var(--border);
  padding: 0.8rem;
  text-align: left;
}

.markdown-body th {
  background: var(--surface);
  font-family: 'JetBrains Mono', monospace;
  color: #fff;
}

/* ── SEARCH BAR ── */
.search-container {
  margin-bottom: 2rem;
  text-align: center;
}

#search-input {
  width: 100%;
  max-width: 600px;
  padding: 0.8rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s;
}

#search-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── VPN DROPDOWN ── */
.vpn-dropdown {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 1.5rem 0;
  overflow: hidden;
}

.vpn-dropdown summary {
  padding: 1rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  user-select: none;
  outline: none;
  background: rgba(0, 212, 255, 0.05);
}

.vpn-dropdown summary:hover {
  background: rgba(0, 212, 255, 0.1);
}

.vpn-dropdown .dropdown-content {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ── HIGHLIGHT.JS OVERRIDES ── */
.markdown-body pre {
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.markdown-body pre code.hljs {
  background: #1a1a27;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  line-height: 1.6;
  padding: 1.2rem 1.5rem;
  display: block;
  overflow-x: auto;
}

.markdown-body :not(pre) > code {
  font-family: 'JetBrains Mono', monospace;
  background: #1a1a27;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: #ff79c6;
  border: 1px solid var(--border);
}

/* ── HTB REFERRAL BUTTON ── */
.btn-accent-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-weight: 600;
}

.btn-accent-ghost:hover {
  background: var(--accent);
  color: #0a0a0f;
}

/* ── HTB CARDS ── */
.htb-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.5rem;
}

/* ── HTB REFERRAL BUTTON ── */
.btn-accent-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-weight: 600;
}

.btn-accent-ghost:hover {
  background: var(--accent);
  color: #0a0a0f;
}

/* ── HTB CARDS ── */
.htb-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.5rem;
}

/* ── WRITEUP HERO ── */
.writeup-hero {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.writeup-hero h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.writeup-hero h2 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 400;
  font-style: italic;
  color: var(--muted);
  margin-top: 0.5rem;
}

.writeup-hero h2::before,
.writeup-hero h2::after {
  content: " ── ";
  color: var(--accent);
}


/* ── NOTIFICATION BANNER ── */
.notification-banner {
  position: fixed;
  top: -100px; /* Hidden initially */
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem 1.25rem 0.75rem 1.5rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transition: top 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  max-width: 95vw;
}

.notification-banner.show {
  top: 80px; /* Below nav */
}

.notification-banner p {
  margin: 0;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  text-overflow: ellipsis;
  overflow: hidden;
}

.notification-banner a.btn {
  padding: 0.4rem 0.8rem;
  font-size: clamp(0.7rem, 2vw, 0.8rem);
}

.notif-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
  transition: color 0.2s;
}

.notif-close:hover {
  color: var(--accent);
}