/* ================================================================
   PORTFOLIO — MAIN STYLESHEET
   Cybersecurity dark theme using JetBrains Mono + Syne
   ================================================================

   TABLE OF CONTENTS:
   1.  CSS Variables (colors, fonts, spacing — edit here!)
   2.  Reset & Base
   3.  Typography
   4.  Layout Utilities
   5.  Navigation
   6.  Hero Section
   7.  Terminal Widget
   8.  Stats Bar
   9.  Section Styles
   10. Project Cards
   11. Writeup Cards
   12. About Page
   13. Resume Page
   14. Contact Page
   15. Writeup Post (prose styles)
   16. Animations & Transitions
   17. Footer
   18. Responsive
================================================================ */

/* ================================================================
   1. CSS VARIABLES — Edit colors/fonts here to retheme the whole site
================================================================ */
:root {
  /* Core palette */
  --bg:          #0a0c10;   /* Page background */
  --bg-2:        #0f1117;   /* Slightly lighter surface */
  --bg-3:        #161b24;   /* Cards, nav background */
  --bg-4:        #1c2333;   /* Hover states */

  /* Accent — change this to rebrand the site color */
  --accent:      #00d9ff;   /* Cyan — main accent */
  --accent-dim:  #00d9ff22; /* Transparent accent for backgrounds */
  --accent-2:    #7c3aed;   /* Purple — secondary accent */

  /* Text */
  --text:        #e2e8f0;   /* Primary text */
  --text-2:      #8892a4;   /* Secondary/muted text */
  --text-3:      #4a5568;   /* Very muted text */

  /* Borders */
  --border:      #1e2a3a;
  --border-2:    #2d3748;

  /* Status colors */
  --green:       #00ff88;
  --red:         #ff4757;
  --yellow:      #ffd32a;
  --orange:      #ff6b35;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --nav-height:  72px;
  --radius:      8px;
  --radius-lg:   16px;

  /* Transitions */
  --trans:       0.2s ease;
  --trans-slow:  0.4s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--trans);
}

a:hover {
  color: #fff;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-mono);
}

/* ================================================================
   3. TYPOGRAPHY
================================================================ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.accent {
  color: var(--accent);
}

.highlight {
  color: var(--accent);
  position: relative;
}

.inline-link {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
  transition: border-color var(--trans);
}
.inline-link:hover {
  border-color: var(--accent);
}

code {
  font-family: var(--font-mono);
  background: var(--bg-3);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* ================================================================
   4. LAYOUT UTILITIES
================================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--bg-2);
}

.section-header {
  margin-bottom: 48px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--text);
}

.section-cta {
  margin-top: 40px;
  text-align: center;
}

/* ================================================================
   5. BUTTONS
================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all var(--trans);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #fff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-secondary:hover {
  background: var(--accent-dim);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ================================================================
   6. NAVIGATION
================================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: var(--nav-height);
  transition: background var(--trans), box-shadow var(--trans);
}

.navbar.scrolled {
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 2px;
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--text); }

.logo-bracket {
  color: var(--accent);
}
.logo-text {
  color: var(--text);
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius);
  letter-spacing: 0.06em;
  transition: color var(--trans), background var(--trans);
}
.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-2);
  transition: all var(--trans);
}

/* ================================================================
   7. HERO SECTION
================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#matrixCanvas {
  position: absolute;
  inset: 0;
  opacity: 0.06;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: var(--nav-height);
  padding-bottom: 40px;
}

/* Hero text */
.hero-text {
  animation: fadeInUp 0.8s ease both;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
}
.name-line {
  display: block;
}
.name-line.accent {
  color: var(--accent);
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 24px;
  min-height: 1.5em;
}

.cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

.hero-summary {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-social {
  display: flex;
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.9rem;
  transition: all var(--trans);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

/* Hero scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
  animation: fadeIn 1.5s ease 1s both;
}
.hero-scroll-hint span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-3), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}

/* ================================================================
   8. TERMINAL WIDGET
================================================================ */
.hero-terminal {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.terminal-window {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 217, 255, 0.06);
}

.terminal-header {
  background: var(--bg-4);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green  { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  margin: 0 auto;
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  min-height: 260px;
}

.t-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}
.t-prompt {
  color: var(--green);
  flex-shrink: 0;
}
.t-cmd {
  color: var(--accent);
}
.t-output {
  color: var(--text-2);
  padding-left: 16px;
}
.t-output .key {
  color: var(--text-3);
}
.t-output .val {
  color: var(--text);
}

/* ================================================================
   9. STATS BAR
================================================================ */
.stats-bar {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 16px;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ================================================================
   10. PROJECT CARDS
================================================================ */
.projects-preview-grid,
.projects-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--trans);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.project-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

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

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-icon {
  font-size: 1.5rem;
  color: var(--accent);
}

.project-links {
  display: flex;
  gap: 8px;
}

.project-link-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  border: 1px solid var(--border);
  color: var(--text-3);
  background: none;
  transition: all var(--trans);
}
.project-link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.project-description {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-4);
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

/* Filter bar (shared between projects and writeups) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 7px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: none;
  color: var(--text-2);
  letter-spacing: 0.06em;
  transition: all var(--trans);
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Responsive visibility utilities */
.mobile-only { display: none; }
.desktop-only { display: block; }

/* ================================================================
   11. WRITEUP CARDS
================================================================ */
.writeups-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.writeups-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* List style (writeups page) */
.writeup-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: all var(--trans);
  text-decoration: none;
  color: inherit;
}
.writeup-card:hover {
  border-color: var(--border-2);
  transform: translateX(4px);
  box-shadow: -4px 0 0 var(--accent);
  color: inherit;
}

/* Desktop: badge is a fixed-width left column */
.writeup-card-badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 80px;
}

.writeup-category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  min-width: 70px;
  text-align: center;
}

/* Category colors */
.cat-web       { background: rgba(0, 217, 255, 0.15); color: #00d9ff; }
.cat-crypto    { background: rgba(124, 58, 237, 0.15); color: #a78bfa; }
.cat-pwn       { background: rgba(255, 71, 87, 0.2);   color: #ff6b7a; }
.cat-rev       { background: rgba(255, 107, 53, 0.15); color: #ff9a72; }
.cat-forensics { background: rgba(0, 255, 136, 0.12); color: #00ff88; }
.cat-misc      { background: rgba(255, 211, 42, 0.15); color: #ffd32a; }

.writeup-difficulty {
  font-size: 0.65rem;
  color: var(--text-3);
  font-family: var(--font-mono);
}

/* Desktop: body is the right column containing title, date, description */
.writeup-card-body {
  flex: 1;
  min-width: 0;
}

.writeup-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.writeup-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.writeup-card-summary {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.6;
}

.writeup-card-arrow {
  color: var(--text-3);
  font-size: 0.8rem;
  transition: transform var(--trans), color var(--trans);
  flex-shrink: 0;
}
.writeup-card:hover .writeup-card-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

/* Grid style (home preview) */
.writeup-card-grid {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--trans);
  text-decoration: none;
  color: inherit;
}
.writeup-card-grid:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  color: inherit;
}

/* Search bar */
.writeups-search {
  margin-bottom: 24px;
}
.search-input-wrapper {
  position: relative;
  max-width: 400px;
}
.search-input-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 0.85rem;
}
.search-input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 14px 10px 38px;
  transition: border-color var(--trans);
  outline: none;
}
.search-input::placeholder {
  color: var(--text-3);
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ================================================================
   12. ABOUT PAGE
================================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: flex-start;
}

.about-photo-wrapper {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.about-photo-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 24px;
}

.about-photo {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.about-quick-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-2);
}
.info-item i {
  color: var(--accent);
  width: 16px;
  flex-shrink: 0;
}

.about-section-title {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin-bottom: 24px;
}

.about-sub-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 32px;
  margin-bottom: 16px;
}

.about-bio p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.85;
  margin-bottom: 16px;
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.focus-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 5px 12px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

/* Skills section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 32px;
}

.skill-category {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.skill-category-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-category-title i {
  color: var(--accent);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-name {
  font-size: 0.82rem;
  color: var(--text-2);
  width: 160px;
  flex-shrink: 0;
}

.skill-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-4);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transition: width 1s ease;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-4);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 4px 10px;
  border-radius: 4px;
  transition: all var(--trans);
}
.tool-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ================================================================
   13. RESUME PAGE
================================================================ */
.resume-container {
  max-width: 860px;
}

.resume-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.resume-section:last-child {
  border-bottom: none;
}

.resume-section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.resume-section-title i {
  font-size: 0.9rem;
}

.resume-entry {
  padding: 24px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: border-color var(--trans);
}
.resume-entry:hover {
  border-color: var(--border-2);
}

.resume-entry-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.resume-entry-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.resume-entry-org {
  font-size: 0.83rem;
  color: var(--text-2);
}

.resume-entry-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.resume-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  white-space: nowrap;
}

.resume-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.resume-badge-intern {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
}
.resume-badge-ctf {
  background: rgba(255, 211, 42, 0.12);
  color: #ffd32a;
}

.resume-entry-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.resume-entry-details li {
  font-size: 0.83rem;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
}
.resume-entry-details li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.65rem;
  top: 2px;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.cert-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--trans);
}
.cert-card:hover {
  border-color: var(--accent);
}
.cert-icon {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
}
.cert-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.cert-info p {
  font-size: 0.78rem;
  color: var(--text-2);
  margin-bottom: 2px;
}
.cert-date {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.skills-summary-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.skills-summary-item {
  display: flex;
  gap: 24px;
  padding: 14px 20px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.84rem;
}
.skills-summary-label {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  width: 120px;
  flex-shrink: 0;
  padding-top: 1px;
}
.skills-summary-value {
  color: var(--text-2);
  line-height: 1.5;
}

/* ================================================================
   14. CONTACT PAGE
================================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 48px 0;
}

.contact-section-title {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-intro {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: inherit;
  transition: all var(--trans);
  text-decoration: none;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  color: inherit;
}

.contact-card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-4);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-card-info {
  flex: 1;
}
.contact-card-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}
.contact-card-value {
  display: block;
  font-size: 0.88rem;
  color: var(--text);
}

.contact-card-arrow {
  color: var(--text-3);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* Form */
.contact-form-note {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 24px;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-input,
.form-textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 14px;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  resize: vertical;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-3);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ================================================================
   15. WRITEUP POST (PROSE)
================================================================ */
.writeup-container {
  max-width: 780px;
  padding-top: 32px;
  padding-bottom: 80px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 32px;
  transition: color var(--trans);
}
.back-link:hover {
  color: var(--accent);
}

.writeup-post-header {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.post-category-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
}

.post-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Prose styles for writeup content */
.prose {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.85;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text);
  margin: 32px 0 14px;
}

.prose p {
  margin-bottom: 20px;
}

.prose pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.83rem;
}

.prose code {
  font-family: var(--font-mono);
}

.prose pre code {
  background: none;
  color: var(--text);
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.prose ul, .prose ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li {
  margin-bottom: 8px;
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose em {
  color: var(--accent);
  font-style: normal;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  background: var(--bg-3);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-2);
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-dim);
}
.prose a:hover {
  text-decoration-color: var(--accent);
}

.prose img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 24px auto;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* Post navigation */
.writeup-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.post-nav-link {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: inherit;
  text-decoration: none;
  transition: all var(--trans);
}
.post-nav-link:hover {
  border-color: var(--accent);
  color: inherit;
}
.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.post-nav-title {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
}
.post-nav-link.next {
  text-align: right;
}

/* ================================================================
   16. PAGE HEADER (used on inner pages)
================================================================ */
.page-header {
  padding: calc(var(--nav-height) + 48px) 0 48px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: 8px 0;
}

.page-subtitle {
  color: var(--text-2);
  font-size: 0.9rem;
  margin-top: 8px;
  margin-bottom: 20px;
}

.main-content {
  padding: 60px 0;
  min-height: calc(100vh - var(--nav-height) - 200px);
}

/* ================================================================
   17. ANIMATIONS
================================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Fade-in on scroll (JS adds .visible class) */
.fade-in-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-element.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Latest blog card (homepage preview) */
.latest-blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  max-width: 760px;
  margin: 0 auto;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.latest-blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.08);
  color: inherit;
}
.latest-blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.latest-blog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.latest-blog-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
}
.latest-blog-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.latest-blog-summary {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.latest-blog-read {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}
.latest-blog-read i {
  font-size: 0.7rem;
}

/* ================================================================
   18. FOOTER
================================================================ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a {
  color: var(--text-3);
  font-size: 0.9rem;
  transition: color var(--trans);
}
.footer-links a:hover {
  color: var(--accent);
}

/* ================================================================
   19. RESPONSIVE
================================================================ */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* FIX: terminal now appears BELOW hero text on tablet/mobile */
  .hero-terminal {
    order: 2;
    max-width: 500px;
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo-wrapper {
    position: static;
    display: flex;
    gap: 24px;
    align-items: flex-start;
  }
  .about-photo-placeholder {
    width: 120px;
    height: 120px;
    aspect-ratio: auto;
    flex-shrink: 0;
    margin-bottom: 0;
  }
  .about-quick-info {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    z-index: 998;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 10px 16px;
  }
  .nav-toggle {
    display: flex;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-only { display: block; }
  .desktop-only { display: none; }

  .writeup-card {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
  }
  .writeup-card-body {
    order: 1;
    flex: 1 1 100%;
  }
  .writeup-card-badge {
    order: 2;
    flex: 1 1 100%;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    min-width: unset;
  }
  .writeup-card .mobile-only.writeup-card-summary {
    order: 3;
    flex: 1 1 100%;
  }
  .writeup-card-arrow {
    order: 4;
    align-self: flex-end;
  }

  .resume-entry-header {
    flex-direction: column;
  }
  .resume-entry-meta {
    align-items: flex-start;
    flex-direction: row;
  }

  .writeup-post-nav {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .skills-summary-item {
    flex-direction: column;
    gap: 4px;
  }
  .skills-summary-label {
    width: auto;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-number {
    font-size: 2rem;
  }
  .hero-name {
    font-size: 2.6rem;
  }
}