/* 
  Muhammed Hadhi Havath — Official Portfolio Stylesheet
  Themes: Emerald (Default), Cyber Cyan, Synthwave Purple, Amber Gold
*/

:root {
  --font-heading: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Theme Emerald (Default) */
  --primary: #10b981;
  --primary-light: #34d399;
  --primary-dark: #059669;
  --primary-rgb: 16, 185, 129;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;

  --bg-deep: #06080d;
  --bg-surface: #0c1018;
  --bg-card: rgba(16, 22, 34, 0.72);
  --bg-card-hover: rgba(22, 30, 48, 0.85);
  --bg-glass: rgba(12, 16, 24, 0.75);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(var(--primary-rgb), 0.45);
  --glow-primary: 0 0 25px rgba(var(--primary-rgb), 0.35);
  --glow-accent: 0 0 35px rgba(var(--accent-rgb), 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Theme Variations */
body[data-theme="cyan"] {
  --primary: #06b6d4;
  --primary-light: #38bdf8;
  --primary-dark: #0284c7;
  --primary-rgb: 6, 182, 212;
  --accent: #3b82f6;
  --accent-rgb: 59, 130, 246;
}

body[data-theme="purple"] {
  --primary: #a855f7;
  --primary-light: #c084fc;
  --primary-dark: #9333ea;
  --primary-rgb: 168, 85, 247;
  --accent: #ec4899;
  --accent-rgb: 236, 72, 153;
}

body[data-theme="amber"] {
  --primary: #f59e0b;
  --primary-light: #fbbf24;
  --primary-dark: #d97706;
  --primary-rgb: 245, 158, 11;
  --accent: #ef4444;
  --accent-rgb: 239, 68, 68;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Atmosphere & Grid */
.bg-ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.22;
  transition: all 1s ease;
}

.orb-1 {
  width: 550px;
  height: 550px;
  top: -150px;
  left: 15%;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.orb-2 {
  width: 600px;
  height: 600px;
  top: 40%;
  right: -100px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

.orb-3 {
  width: 450px;
  height: 450px;
  bottom: 5%;
  left: -50px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 40%, transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 40%, transparent 95%);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.025em;
}

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

.gradient-text {
  background: linear-gradient(135deg, var(--text-main) 20%, var(--primary-light) 75%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 1rem;
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  transition: var(--transition-fast);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse-glow 2.5s infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link:hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Switcher Button */
.theme-picker {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 4px;
}

.theme-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.theme-dot:hover {
  transform: scale(1.15);
}

.theme-dot.active {
  border-color: #ffffff;
  box-shadow: 0 0 8px currentColor;
}

.theme-dot.emerald { background: #10b981; }
.theme-dot.cyan { background: #06b6d4; }
.theme-dot.purple { background: #a855f7; }
.theme-dot.amber { background: #f59e0b; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--primary);
  color: #050b07;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.btn-outline-primary:hover {
  background: rgba(var(--primary-rgb), 0.18);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  font-size: 1.25rem;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(var(--primary-rgb), 0.1);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  padding-bottom: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.25);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  width: fit-content;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse-glow 2s infinite;
}

.alias-names-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-subtle);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: -0.5rem;
  width: fit-content;
}

.alias-names-tag strong {
  color: var(--text-muted);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
}

.hero-tagline strong {
  color: var(--text-main);
  font-weight: 600;
}

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

.social-links-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.social-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.15rem;
  transition: var(--transition-fast);
}

.social-icon-btn:hover {
  background: rgba(var(--primary-rgb), 0.15);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(var(--primary-rgb), 0.25);
}

/* Hero Visual / Avatar Card */
.hero-visual-card {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-frame {
  position: relative;
  width: 320px;
  height: 400px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.8));
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.8);
  transition: var(--transition-smooth);
}

.avatar-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 30px;
  background: linear-gradient(135deg, var(--primary), transparent 60%, var(--accent));
  z-index: 0;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.avatar-frame:hover::before {
  opacity: 0.8;
}

.avatar-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  z-index: 1;
  display: block;
  border-radius: 26px;
  filter: contrast(1.05) saturate(1.1);
  transition: opacity 0.4s ease, transform 0.5s ease;
  opacity: 0;
  pointer-events: none;
}

.avatar-image.active {
  opacity: 1;
  pointer-events: auto;
}

.avatar-frame:hover .avatar-image.active {
  transform: scale(1.03);
}

.avatar-photo-switcher {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  display: flex;
  gap: 0.35rem;
  background: rgba(10, 14, 22, 0.85);
  backdrop-filter: blur(10px);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.switcher-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.switcher-dot:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.switcher-dot.active {
  background: var(--primary);
  color: #06080d;
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.5);
}

.avatar-overlay-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  background: rgba(10, 14, 22, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.avatar-overlay-badge .badge-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.avatar-overlay-badge .badge-subtitle {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--primary);
}

.floating-badge {
  position: absolute;
  background: rgba(10, 14, 22, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: float 4s ease-in-out infinite;
  z-index: 3;
}

.floating-badge-1 {
  top: 15%;
  left: -20px;
}

.floating-badge-2 {
  bottom: 25%;
  right: -25px;
  animation-delay: -2s;
}

/* Stats Counter Ribbon */
.stats-ribbon {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.015);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Header */
.section-header {
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.85rem);
}

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

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-visual-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-image-frame {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.9));
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.8);
  transition: var(--transition-smooth);
}

.about-image-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--accent), transparent 50%, var(--primary));
  z-index: 0;
  opacity: 0.35;
  transition: opacity 0.3s ease;
}

.about-image-frame:hover::before {
  opacity: 0.8;
}

.about-image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  z-index: 1;
  display: block;
  filter: contrast(1.05) saturate(1.1);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-image-frame:hover .about-image {
  transform: scale(1.035);
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(6, 8, 13, 0.45) 0%, transparent 45%, rgba(6, 8, 13, 0.9) 100%);
  pointer-events: none;
}

.about-image-badge {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(10, 14, 22, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

.about-image-caption {
  background: rgba(10, 14, 22, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
}

.caption-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.caption-subtitle {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--primary);
  margin-top: 2px;
}

.about-portrait-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.portrait-stat-item {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: var(--transition-fast);
}

.portrait-stat-item:hover {
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-2px);
}

.stat-mini-num {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-mini-txt {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.about-content-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-paragraph {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.about-paragraph strong {
  color: var(--text-main);
  font-weight: 600;
}

.highlight-box {
  background: rgba(var(--primary-rgb), 0.05);
  border-left: 3px solid var(--primary);
  padding: 1.15rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-main);
}

.about-specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.5rem;
}

.spec-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-transform: uppercase;
}

.spec-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Interactive Terminal */
.terminal-wrapper {
  background: #080b11;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(var(--primary-rgb), 0.1);
  display: flex;
  flex-direction: column;
  height: 480px;
}

.terminal-header {
  background: #0d121c;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-controls {
  display: flex;
  gap: 7px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
  letter-spacing: 0.02em;
}

.terminal-actions-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sound-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-subtle);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 2px 7px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sound-toggle-btn.active {
  color: var(--primary);
  border-color: var(--primary);
}

.terminal-body {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.terminal-line {
  word-break: break-word;
  white-space: pre-wrap;
}

.terminal-line.cmd {
  color: var(--text-main);
  font-weight: 600;
}

.terminal-line.success {
  color: var(--primary);
}

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

.terminal-line.error {
  color: #f87171;
}

.terminal-line.info {
  color: #94a3b8;
}

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

.terminal-prompt {
  color: var(--primary);
  font-weight: 700;
  user-select: none;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #f8fafc;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Skills & Arsenal Section */
.skills-categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-category-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.category-icon-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.category-icon {
  font-size: 1.4rem;
  color: var(--primary);
}

.category-title {
  font-size: 1.15rem;
}

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

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.785rem;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.skill-badge:hover {
  background: rgba(var(--primary-rgb), 0.12);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Projects Section */
.project-filters-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-full);
  padding: 0.45rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.filter-btn.active {
  background: var(--primary);
  color: #030805;
  font-weight: 700;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(var(--primary-rgb), 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
}

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

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  border: 1px solid rgba(var(--primary-rgb), 0.25);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-icon-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  transition: var(--transition-fast);
}

.project-icon-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--text-main);
}

.project-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.project-tech-pill {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-subtle);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* Timeline Section (Education & Career) */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  max-width: 850px;
  margin: 0 auto;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 20px;
  width: 2px;
  background: var(--border-subtle);
}

.timeline-item {
  position: relative;
  padding-left: 55px;
}

.timeline-marker {
  position: absolute;
  left: 13px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--primary);
  box-shadow: 0 0 10px var(--primary);
}

.timeline-card {
  padding: 1.5rem 1.75rem;
}

.timeline-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.timeline-role {
  font-size: 1.2rem;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

.timeline-org {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.timeline-details {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* FAQ Section for SEO */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-focus);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--primary);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-channels-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.contact-channel-item:hover {
  background: rgba(var(--primary-rgb), 0.08);
  border-color: var(--primary);
  transform: translateX(4px);
}

.channel-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.channel-icon {
  font-size: 1.35rem;
  color: var(--primary);
}

.channel-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.channel-detail {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* Interactive Direct Message Card */
.message-card {
  padding: 2.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-input, .form-textarea {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  background: #040508;
  position: relative;
  z-index: 10;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-credits {
  color: var(--text-subtle);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-seo-row {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(10, 14, 22, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--primary);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(var(--primary-rgb), 0.3);
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Animations */
@keyframes pulse-glow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.92);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-content {
    align-items: center;
  }

  .alias-names-tag {
    margin: 0 auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .skills-categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 12px);
    left: 1rem;
    right: 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  }

  .mobile-toggle {
    display: block;
  }

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

  .skills-categories-grid, .projects-grid {
    grid-template-columns: 1fr;
  }

  .avatar-frame {
    width: 280px;
    height: 350px;
  }

  .about-image-frame {
    height: 380px;
  }

  .floating-badge {
    display: none;
  }

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

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

/* ============================================================
   CONTENT PROTECTION & ANTI-INSPECTION DETERRENTS
   ============================================================ */
img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

.no-select {
  user-select: none;
  -webkit-user-select: none;
}