/* ==========================================================================
   DANIEL ALEJANDRO PÉREZ ORTEGÓN — ULTRA-FUTURISTIC PROFESSIONAL PORTFOLIO
   Theme: Obsidian Cyberpunk, Deep Space Glassmorphism, Royal Blue & Cyan Glow
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette — Deep Space Obsidian */
  --bg-deep-space: #040711;
  --bg-obsidian: #080c18;
  --bg-dark-slate: #0c1222;
  --bg-card: rgba(13, 20, 36, 0.72);
  --bg-card-hover: rgba(22, 33, 58, 0.85);
  
  /* Glassmorphism & Cyber Borders */
  --glass-bg: rgba(8, 12, 24, 0.82);
  --glass-border: rgba(56, 189, 248, 0.18);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.45);
  --border-neon: rgba(56, 189, 248, 0.65);
  
  /* Accent Colors */
  --royal-blue: #2563eb;
  --royal-blue-glow: #3b82f6;
  --royal-blue-dark: #1d4ed8;
  --cyan-blue: #38bdf8;
  --ice-blue: #a5f3fc;
  --neon-green: #00ff66;
  --neon-purple: #a855f7;
  
  /* Typography Colors */
  --text-white: #f8fafc;
  --text-sub: #cbd5e1;
  --text-muted: #94a3b8;
  
  /* Typography Families */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-code: 'Fira Code', monospace;
  
  /* Shadow & Glow Effects */
  --shadow-card: 0 12px 35px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.25);
  --shadow-neon: 0 0 40px rgba(56, 189, 248, 0.35);
  
  /* Smooth Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & GLOBAL STYLES
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep-space);
  color: var(--text-white);
  font-family: var(--font-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(0, 255, 102, 0.05) 0%, transparent 50%),
    var(--bg-deep-space);
  background-attachment: fixed;
  position: relative;
}

/* Cybernetic Grid Background Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--royal-blue-glow);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--cyan-blue);
}

/* Custom Cyber Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep-space);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--royal-blue-dark), var(--cyan-blue));
  border-radius: 6px;
  border: 2px solid var(--bg-deep-space);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cyan-blue);
  box-shadow: 0 0 10px var(--cyan-blue);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

/* Section Header Titles */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-code);
  font-size: 0.88rem;
  color: var(--cyan-blue);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.15);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, var(--ice-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* ==========================================================================
   NAVIGATION BAR (Glassmorphism Header)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.01em;
}

.nav-logo-badge {
  background: linear-gradient(135deg, var(--royal-blue), var(--cyan-blue));
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-code);
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-sub);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--royal-blue-glow), var(--cyan-blue));
  border-radius: 2px;
  transition: width var(--transition-fast);
  box-shadow: 0 0 10px var(--cyan-blue);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Futuristic Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: 10px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--royal-blue), var(--royal-blue-dark));
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--royal-blue-glow), var(--cyan-blue));
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-white);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--royal-blue-glow);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
  transform: translateY(-2px);
  color: #ffffff;
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding-top: 150px;
  padding-bottom: 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 8px 18px;
  border-radius: 30px;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--ice-blue);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 9px;
  height: 9px;
  background-color: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--neon-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 102, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 255, 102, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 102, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--cyan-blue), var(--royal-blue-glow), var(--neon-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-typing-wrapper {
  font-family: var(--font-code);
  font-size: 1.2rem;
  color: var(--cyan-blue);
  margin-bottom: 24px;
  min-height: 2.5em;
  display: flex;
  align-items: center;
}

.typed-cursor {
  color: var(--neon-green);
  font-weight: 800;
  margin-left: 4px;
  animation: blink 0.9s infinite;
}

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

.hero-description {
  font-size: 1.08rem;
  color: var(--text-sub);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 1.15rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--royal-blue), var(--cyan-blue));
  color: #fff;
  border-color: var(--cyan-blue);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
  transform: translateY(-3px);
}

/* Interactive Cyber Terminal Card */
.terminal-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
  font-family: var(--font-code);
  transition: all var(--transition-normal);
}

.terminal-card:hover {
  border-color: var(--cyan-blue);
  box-shadow: var(--shadow-neon);
}

.terminal-header {
  background: rgba(4, 7, 17, 0.9);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.t-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.t-dot.red { background: #ef4444; box-shadow: 0 0 8px rgba(239, 68, 68, 0.6); }
.t-dot.yellow { background: #f59e0b; box-shadow: 0 0 8px rgba(245, 158, 11, 0.6); }
.t-dot.green { background: #10b981; box-shadow: 0 0 8px rgba(16, 185, 129, 0.6); }

.terminal-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 24px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-sub);
}

.t-line {
  margin-bottom: 8px;
}
.t-prompt {
  color: var(--cyan-blue);
  font-weight: 700;
}
.t-keyword { color: var(--neon-purple); font-weight: 600; }
.t-string { color: var(--ice-blue); }
.t-comment { color: var(--text-muted); font-style: italic; }

.t-output-box {
  background: rgba(4, 7, 17, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  margin-top: 12px;
  font-size: 0.88rem;
  line-height: 1.6;
}

.t-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  background: rgba(4, 7, 17, 0.6);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.t-input-field {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--font-code);
  font-size: 0.92rem;
  width: 100%;
}

/* ==========================================================================
   ABOUT & STATS SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 30px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--royal-blue), var(--cyan-blue));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--cyan-blue);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  text-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 18px 20px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.highlight-item:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}

.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.18);
  color: var(--cyan-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* ==========================================================================
   SKILLS & TOOLBOX MATRIX
   ========================================================================== */
.skills-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.skill-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  padding: 10px 22px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.skill-tab-btn.active,
.skill-tab-btn:hover {
  background: linear-gradient(135deg, var(--royal-blue), var(--royal-blue-dark));
  color: #fff;
  border-color: var(--cyan-blue);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 26px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.skill-card:hover {
  border-color: var(--border-neon);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.skill-icon {
  font-size: 1.9rem;
  color: var(--cyan-blue);
}

.skill-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.skill-bar-wrapper {
  margin-top: 14px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-family: var(--font-code);
}

.skill-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(4, 7, 17, 0.8);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--royal-blue), var(--cyan-blue), var(--neon-green));
  border-radius: 4px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--cyan-blue);
}

/* ==========================================================================
   PROJECTS SHOWCASE
   ========================================================================== */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  padding: 10px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.filter-btn.active,
.filter-btn:hover {
  background: linear-gradient(135deg, var(--royal-blue), var(--royal-blue-dark));
  color: #fff;
  border-color: var(--cyan-blue);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-neon);
  box-shadow: var(--shadow-neon);
  transform: translateY(-6px);
}

.project-thumb {
  height: 220px;
  background: var(--bg-obsidian);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-thumb img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 7, 17, 0.82);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.overlay-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--royal-blue), var(--cyan-blue));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
  border: none;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
}

.overlay-btn:hover {
  transform: scale(1.15);
}

.project-content {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tag {
  font-family: var(--font-code);
  font-size: 0.76rem;
  color: var(--cyan-blue);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 12px;
  border-radius: 6px;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.65;
}

.project-links {
  display: flex;
  gap: 14px;
  margin-top: auto;
}

/* Modal Details Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 17, 0.88);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-neon);
  border-radius: 20px;
  max-width: 850px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-card), var(--shadow-neon);
  transform: scale(0.94);
  transition: transform var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: #fff;
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
}

/* ==========================================================================
   GITHUB DASHBOARD SECTION
   ========================================================================== */
.github-widget-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px;
  margin-bottom: 32px;
  backdrop-filter: blur(12px);
}

.github-input-bar {
  display: flex;
  gap: 16px;
  max-width: 520px;
  margin: 0 auto 36px auto;
}

.github-input-bar input {
  flex: 1;
  background: var(--bg-obsidian);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-family: var(--font-code);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.github-input-bar input:focus {
  border-color: var(--cyan-blue);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.github-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.gh-box {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 190px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.gh-box:hover {
  border-color: var(--border-glow);
}

.gh-box img {
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   TIMELINE (EXPERIENCE & EDUCATION)
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 840px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--royal-blue), var(--cyan-blue), rgba(56, 189, 248, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 64px;
  margin-bottom: 44px;
}

.timeline-dot {
  position: absolute;
  left: 10px;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-deep-space);
  border: 3px solid var(--cyan-blue);
  box-shadow: 0 0 12px var(--cyan-blue);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
}

.timeline-content:hover {
  border-color: var(--border-glow);
  transform: translateX(6px);
}

.timeline-date {
  font-family: var(--font-code);
  font-size: 0.88rem;
  color: var(--cyan-blue);
  margin-bottom: 8px;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* ==========================================================================
   CONTACT SECTION & FOOTER
   ========================================================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 40px;
  backdrop-filter: blur(12px);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-obsidian);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 14px 20px;
  border-radius: 10px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan-blue);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.footer {
  background: var(--bg-obsidian);
  border-top: 1px solid var(--border-subtle);
  padding: 44px 0;
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CYBERPUNK TERMINAL SPECIAL WIDGETS
   ========================================================================== */
.shields-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 24px;
}

.shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-code);
  font-size: 0.84rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.shield-badge:hover {
  transform: translateY(-2px);
  filter: brightness(1.2);
  color: #fff;
}

.shield-badge.github { background: #181717; border: 1px solid #333; }
.shield-badge.linkedin { background: #0077B5; }
.shield-badge.email { background: #EA4335; }
.shield-badge.portfolio { background: #2563EB; }
.shield-badge.views { background: #059669; }

/* Career Track Selector Bar */
.career-selector-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(8, 12, 24, 0.9);
  border: 1px solid var(--border-glow);
  padding: 8px 16px;
  border-radius: 30px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
}

.career-label {
  font-family: var(--font-code);
  font-size: 0.84rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 6px;
}

.career-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-sub);
  padding: 7px 16px;
  border-radius: 20px;
  font-family: var(--font-code);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.career-btn:hover {
  color: #fff;
  background: rgba(37, 99, 235, 0.2);
  border-color: rgba(56, 189, 248, 0.4);
}

.career-btn.active {
  background: linear-gradient(135deg, var(--royal-blue), var(--royal-blue-dark));
  color: #fff;
  border-color: var(--neon-green);
  box-shadow: 0 0 18px rgba(0, 255, 102, 0.35);
  font-weight: 600;
}

/* ==========================================================================
   3D ISOMETRIC CALENDAR MATRIX STYLING
   ========================================================================== */
.contrib-grid-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  align-items: stretch;
  margin-top: 24px;
}

.iso-3d-wrapper {
  background: rgba(8, 12, 24, 0.95);
  border: 1px solid var(--border-glow);
  border-radius: 18px;
  padding: 28px 20px;
  box-shadow: var(--shadow-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  perspective: 1200px;
  position: relative;
}

.iso-3d-header {
  font-family: var(--font-code);
  font-size: 0.92rem;
  color: var(--cyan-blue);
  width: 100%;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.iso-3d-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 8px;
  transform: rotateX(55deg) rotateZ(-35deg);
  transform-style: preserve-3d;
  padding: 30px 10px;
  max-width: 520px;
  margin: 0 auto;
}

.iso-block {
  width: 22px;
  height: 22px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 4px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.iso-block:hover {
  transform: translateZ(32px) scale(1.15);
  background: #00ff66 !important;
  border-color: #00ff66 !important;
  box-shadow: 0 0 20px #00ff66, 0 0 35px #00ff66;
  z-index: 20;
}

.iso-block.level-1 {
  background: rgba(37, 99, 235, 0.5);
  border-color: rgba(56, 189, 248, 0.6);
  transform: translateZ(8px);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

.iso-block.level-2 {
  background: rgba(56, 189, 248, 0.75);
  border-color: #38bdf8;
  transform: translateZ(16px);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.6);
}

.iso-block.level-3 {
  background: #00ff66;
  border-color: #00ff66;
  transform: translateZ(24px);
  box-shadow: 0 0 18px #00ff66;
}

.activity-stats-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 26px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all var(--transition-normal);
}

.activity-stats-card:hover {
  border-color: var(--border-neon);
  box-shadow: var(--shadow-neon);
}

.stat-subcard {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-subtle);
  padding: 16px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.stat-subcard:hover {
  border-color: var(--cyan-blue);
  transform: translateY(-2px);
}

.stat-subcard-title {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-subcard-val {
  font-family: var(--font-code);
  font-size: 1.2rem;
  color: #fff;
  font-weight: 700;
  margin-top: 4px;
}

.stat-subcard-sub {
  font-family: var(--font-code);
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-top: 4px;
  line-height: 1.5;
}

/* ==========================================================================
   THE NUMBERS SECTION STYLING
   ========================================================================== */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.number-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.number-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-blue), var(--neon-green));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.number-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

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

.number-val {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan-blue), #00ff66);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  line-height: 1;
}

.number-lbl {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero, .about-grid, .contact-container, .contrib-grid-wrapper {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.7rem;
  }
  .github-grid-2 {
    grid-template-columns: 1fr;
  }
  .numbers-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .iso-3d-grid {
    grid-template-columns: repeat(10, 1fr);
    transform: rotateX(45deg) rotateZ(-25deg);
  }
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}