/* ==========================================================================
   MD. ARIFUL ISLAM SAMRAT - PORTFOLIO STYLESHEET
   Cyber DevOps & Full Stack Engineer Aesthetic
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

:root {
  /* Default Cyber Neon Theme */
  --bg-dark: #070a12;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-strong: rgba(15, 23, 42, 0.9);
  
  --accent-cyan: #00f2fe;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-pink: #ec4899;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-dim: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.25);
  --border-glow-green: rgba(16, 185, 129, 0.3);
  
  --glow-shadow: 0 0 25px rgba(0, 242, 254, 0.15);
  --glow-shadow-lg: 0 0 40px rgba(0, 242, 254, 0.25);
  
  --font-sans: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Matrix Mode Theme Overrides */
[data-theme="matrix"] {
  --bg-dark: #030a04;
  --bg-card: rgba(6, 26, 11, 0.8);
  --bg-card-hover: rgba(12, 45, 19, 0.9);
  --accent-cyan: #00ff66;
  --accent-blue: #10b981;
  --accent-emerald: #00ff66;
  --accent-purple: #34d399;
  --border-dim: rgba(0, 255, 102, 0.15);
  --border-glow: rgba(0, 255, 102, 0.35);
  --glow-shadow: 0 0 25px rgba(0, 255, 102, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(139, 92, 246, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Selection & Scrollbar */
::selection {
  background-color: rgba(0, 242, 254, 0.3);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Background Cyber Grid Lines */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  background-size: 50px 50px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

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

.section-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* Section Titles */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #040914;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.45);
  color: #000;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-dim);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-terminal {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid var(--border-glow-green);
  font-family: var(--font-mono);
}

.btn-terminal:hover {
  background: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Glass Card Base */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-shadow);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dim);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

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

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  min-height: 100vh;
  padding-top: 8rem;
  padding-bottom: 4rem;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--border-glow-green);
  border-radius: var(--radius-full);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.hero-name {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-title-wrapper {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
}

.typewriter-cursor {
  display: inline-block;
  width: 10px;
  height: 1.35rem;
  background-color: var(--accent-cyan);
  animation: blink 1s infinite;
}

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

.hero-bio {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-profile-mobile {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.profile-avatar-container {
  position: relative;
  width: 130px;
  height: 130px;
  flex-shrink: 0;
}

.profile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.3);
  position: relative;
  z-index: 2;
}

.profile-aura {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-emerald));
  filter: blur(10px);
  opacity: 0.6;
  animation: spinAura 8s linear infinite;
}

@keyframes spinAura {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

/* Hero Terminal Box */
.terminal-window {
  background: #090e1a;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--glow-shadow-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.terminal-header {
  background: #0f172a;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-dim);
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.terminal-body {
  padding: 1.25rem;
  height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.terminal-line {
  line-height: 1.5;
  word-break: break-word;
}

.t-prompt {
  color: var(--accent-emerald);
  font-weight: 700;
}
.t-cmd {
  color: var(--text-main);
}
.t-out {
  color: var(--text-muted);
  padding-left: 1.2rem;
}
.t-highlight {
  color: var(--accent-cyan);
}
.t-purple {
  color: var(--accent-purple);
}
.t-yellow {
  color: var(--accent-amber);
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.terminal-input-field {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  flex-grow: 1;
}

/* ==========================================================================
   METRICS COUNTER BANNER
   ========================================================================== */
.stats-banner {
  padding: 2.5rem 0;
  margin-top: -2rem;
  margin-bottom: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  padding: 1.75rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

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

.about-card {
  padding: 2.5rem;
}

.bio-paragraph {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.bio-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-main);
  font-weight: 500;
}

.highlight-item i {
  color: var(--accent-cyan);
  margin-top: 0.25rem;
}

/* Framework Cards Showcase */
.frameworks-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.framework-card {
  padding: 1.75rem;
  border: 1px solid var(--border-dim);
}

.framework-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.framework-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.framework-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}
.icon-kui {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.icon-payra {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.framework-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.code-box {
  background: #050811;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #cbd5e1;
  overflow-x: auto;
  line-height: 1.6;
}

.kw { color: #f472b6; }
.fn { color: #60a5fa; }
.str { color: #34d399; }
.cmt { color: #64748b; font-style: italic; }

/* ==========================================================================
   PRODUCTION & DEVOPS PROJECTS
   ========================================================================== */
.projects-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card-header {
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-links {
  display: flex;
  gap: 0.6rem;
}

.project-link-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.project-link-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  transform: translateY(-2px);
}

.project-card-body {
  padding: 1rem 1.5rem 1.5rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-title {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  color: #cbd5e1;
}

/* ==========================================================================
   WORK EXPERIENCE TIMELINE
   ========================================================================== */
.timeline-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 12px var(--accent-cyan);
}

.timeline-content {
  padding: 2rem;
}

.timeline-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.timeline-role {
  font-size: 1.3rem;
  font-weight: 700;
}

.timeline-company {
  color: var(--accent-cyan);
  font-size: 1rem;
  font-weight: 600;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.timeline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}

.timeline-list li {
  color: var(--text-muted);
  font-size: 0.95rem;
  position: relative;
  padding-left: 1.25rem;
}

.timeline-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

.exp-angle-group {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.exp-angle-group:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0.5rem;
}

.exp-angle-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.tag-devops {
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.tag-dev {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid var(--border-glow-green);
}

.tag-ai {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* ==========================================================================
   TECHNICAL SKILLS MATRIX
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.skill-category-card {
  padding: 1.75rem;
}

.skill-cat-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-chip {
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-main);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-chip:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--border-glow);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-text-group {
  min-width: 0;
}

.contact-text-group p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.contact-text-group a, .contact-text-group span {
  color: var(--text-main);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  transition: var(--transition);
  word-break: break-word;
}

.contact-text-group a:hover {
  color: var(--accent-cyan);
}

.copy-btn {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  transition: var(--transition);
}
.copy-btn:hover {
  color: var(--accent-cyan);
}

.contact-form-card {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(5, 8, 17, 0.8);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
  border-top: 1px solid var(--border-dim);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 0.85rem 1.35rem;
  background: #0f172a;
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   FULLSCREEN TERMINAL MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 10, 0.85);
  backdrop-filter: blur(16px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-terminal-box {
  width: 100%;
  max-width: 900px;
  height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
}
.modal-close-btn:hover {
  color: #ef4444;
}

/* Resume Preview Modal */
.modal-resume-box {
  width: 100%;
  max-width: 1050px;
  height: 86vh;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--glow-shadow);
  background: var(--bg-card-hover);
}

.modal-resume-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.35rem;
  background: rgba(8, 14, 28, 0.95);
  border-bottom: 1px solid var(--border-dim);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.modal-resume-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
}

.modal-resume-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-resume-body {
  flex: 1;
  width: 100%;
  height: 100%;
  background: #0d111a;
  position: relative;
}

.modal-resume-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ==========================================================================
   CRIMINAL CARDBOARD / DEVELOPER BOOKING PLACARD
   ========================================================================== */
.cardboard-wrapper {
  margin-top: 3.5rem;
}

.criminal-cardboard {
  background: linear-gradient(135deg, #1c1815 0%, #0f0d0b 50%, #171412 100%);
  border: 2px dashed rgba(245, 158, 11, 0.45);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.75), inset 0 0 50px rgba(0, 0, 0, 0.85);
  overflow: hidden;
}

.criminal-cardboard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(45deg, #f59e0b, #f59e0b 12px, #000 12px, #000 24px);
}

.cardboard-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(245, 158, 11, 0.35);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.cardboard-title-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.cardboard-stamp-tag {
  font-family: var(--font-mono);
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.5);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.cardboard-stamp-approved {
  display: inline-block;
  transform: rotate(-3deg);
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.3rem 0.85rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
  background: rgba(0, 242, 254, 0.05);
}

.cardboard-layout {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Mugshot Display Container */
.mugshot-box {
  background: #080b12;
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

.mugshot-height-chart {
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.07) 1px, transparent 1px, transparent 22px);
  padding: 1.25rem 0.5rem 0.5rem;
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  justify-content: center;
  background-color: #04060b;
}

.mugshot-height-scale {
  position: absolute;
  left: 8px;
  top: 12px;
  bottom: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 700;
}

.mugshot-img-frame {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--accent-amber);
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.35);
  object-fit: cover;
  margin: 0 auto;
}

.booking-slate {
  background: #030407;
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  text-align: left;
  font-size: 0.78rem;
  color: #cbd5e1;
}

.booking-field {
  display: flex;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.booking-label {
  color: var(--accent-amber);
  font-weight: 700;
  width: 85px;
  flex-shrink: 0;
}

.booking-value {
  color: #f8fafc;
  font-weight: 600;
}

/* Skill Connection Content Grid */
.skill-connection-header {
  margin-bottom: 1.5rem;
}

.skill-connection-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-connection-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.skill-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  background: rgba(10, 15, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 242, 254, 0.15);
}

.pillar-icon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.pillar-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.pillar-icon-cyan {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.pillar-icon-amber {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.pillar-icon-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid var(--border-glow-green);
}

.pillar-icon-purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.pillar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES & MOBILE OPTIMIZATIONS
   ========================================================================== */

/* Laptop & Tablet Landscape (<= 1024px) */
@media (max-width: 1024px) {
  section {
    padding: 4.5rem 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .projects-grid, .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .cardboard-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mugshot-box {
    max-width: 320px;
    margin: 0 auto;
    width: 100%;
  }
}

/* Tablet Portrait & Mobile Navigation Drawer (<= 868px) */
@media (max-width: 868px) {
  .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-md);
    color: var(--text-main);
    cursor: pointer;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(7, 10, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glow);
    padding: 1.5rem 2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 0.6rem 0;
    display: block;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  }

  .nav-link::after {
    display: none;
  }

  .section-title {
    font-size: 2.1rem;
  }
}

/* Standard Mobile Devices (<= 640px) */
@media (max-width: 640px) {
  section {
    padding: 3.5rem 0;
  }

  .section-container {
    padding: 0 1.15rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  /* Hero Section */
  .hero {
    padding-top: 6rem;
    padding-bottom: 2.5rem;
  }

  .hero-profile-mobile {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 1rem;
  }

  .profile-avatar-container {
    width: 110px;
    height: 110px;
  }

  .hero-name {
    font-size: 2.1rem;
    word-break: break-word;
  }

  .hero-title-wrapper {
    justify-content: center;
    font-size: 1.1rem;
  }

  .badge-row {
    justify-content: center;
  }

  .hero-bio {
    font-size: 0.98rem;
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .terminal-body {
    height: 280px;
    padding: 1rem;
    font-size: 0.82rem;
  }

  .terminal-title {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.72rem;
  }

  /* Projects & Skills */
  .projects-grid, .skills-grid, .skill-pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .projects-filter {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
    flex-grow: 1;
    text-align: center;
  }

  /* Timeline */
  .timeline-wrapper {
    padding-left: 1.25rem;
  }

  .timeline-dot {
    left: -1.25rem;
    width: 12px;
    height: 12px;
  }

  .timeline-content {
    padding: 1.25rem 1rem;
  }

  .timeline-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .timeline-role {
    font-size: 1.15rem;
  }

  /* Cardboard Placard */
  .criminal-cardboard {
    padding: 1.25rem 1rem;
  }

  .cardboard-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .cardboard-stamp-approved {
    transform: none;
    font-size: 0.75rem;
  }

  .booking-slate {
    font-size: 0.75rem;
    padding: 0.75rem;
  }

  .booking-label {
    width: 75px;
  }

  /* Contact Items */
  .contact-info-card, .contact-form-card, .about-card {
    padding: 1.5rem 1.15rem;
  }

  .contact-item {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .contact-text-group a, .contact-text-group span {
    word-break: break-all;
    font-size: 0.88rem;
  }
}

/* Small Smartphone Screen Edge Fixes (<= 480px) */
@media (max-width: 480px) {
  .section-container {
    padding: 0 0.85rem;
  }

  .hero-name {
    font-size: 1.8rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .stat-card {
    padding: 1.1rem 0.85rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .exp-angle-tag {
    font-size: 0.72rem;
    padding: 0.2rem 0.55rem;
  }

  .code-box {
    font-size: 0.78rem;
    padding: 0.75rem;
  }

  .modal-overlay {
    padding: 0.5rem;
  }

  .modal-terminal-box {
    height: 92vh;
  }
}