/* ==========================================================================
   Portfolio Design System & Base Styles
   Developer: Muhammad Rehan Rashid
   ========================================================================== */

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

:root {
  /* Color Palette - Dark Navy/Charcoal & Vibrant Accents */
  --bg-gradient-start: #0F172A;
  --bg-gradient-end: #1E293B;
  --bg-solid: #0B1120;
  
  --accent-teal: #14B8A6;
  --accent-teal-hover: #0D9488;
  --accent-teal-glow: rgba(20, 184, 166, 0.25);
  
  --accent-blue: #3B82F6;
  --accent-blue-hover: #2563EB;
  --accent-blue-glow: rgba(59, 130, 246, 0.25);
  
  /* Text Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  /* Glassmorphism Tokens */
  --glass-bg: rgba(30, 41, 59, 0.65);
  --glass-bg-hover: rgba(51, 65, 85, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(20, 184, 166, 0.35);
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --glass-glow-teal: 0 0 20px rgba(20, 184, 166, 0.15);
  --glass-glow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', 'JetBrains Mono', monospace;
  
  /* Layout & Spacing */
  --container-max: 1140px;
  --nav-height: 76px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Animation Dynamics */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
}

body {
  font-family: var(--font-sans);
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-teal);
  color: #0F172A;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

/* Glassmorphism Card Utility */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow), var(--glass-glow-teal);
}

/* Section Titles */
.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  background: rgba(15, 23, 42, 0.92);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  transition: transform var(--transition-fast);
}

.nav-brand:hover {
  transform: scale(1.02);
}

.brand-code {
  color: var(--accent-teal);
}

.brand-text {
  background: linear-gradient(90deg, #FFFFFF, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-blue));
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-toggle:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Footer Section */
.footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(11, 17, 32, 0.8);
  padding: 3rem 0;
  position: relative;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--accent-teal);
  border-color: var(--accent-teal);
  transform: translateY(-4px);
  box-shadow: 0 0 20px var(--accent-teal-glow);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   Hero Section & Buttons
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(20, 184, 166, 0.1);
}

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

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(20, 184, 166, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-teal);
  font-weight: 500;
}

.hero-name {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #FFFFFF 0%, #E2E8F0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-headline {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.headline-divider {
  color: var(--text-muted);
  margin: 0 0.25rem;
}

.hero-subtext {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  max-width: 580px;
  line-height: 1.6;
}

/* Button Component */
.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-hover) 100%);
  color: #0F172A;
  box-shadow: 0 4px 20px var(--accent-teal-glow);
  border: 1px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(20, 184, 166, 0.4);
  color: #0F172A;
}

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

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--accent-blue-glow);
}

/* Terminal Graphic */
.hero-graphic {
  position: relative;
  width: 100%;
}

.terminal-card {
  font-family: var(--font-mono);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.terminal-header {
  background: rgba(15, 23, 42, 0.9);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  position: relative;
}

.terminal-dots {
  display: flex;
  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 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.prompt {
  color: var(--accent-teal);
  font-weight: bold;
}

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

.terminal-output {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
  font-size: 0.8125rem;
}

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

.terminal-code {
  background: rgba(11, 17, 32, 0.7);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.bracket { color: #CBD5E1; }
.key { color: var(--accent-blue); }
.string { color: var(--accent-teal); }

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

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

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 2.5rem;
  align-items: stretch;
}

.about-text-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.about-paragraph {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-paragraph:last-of-type {
  margin-bottom: 0;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-teal);
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.2);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.badge-item:hover {
  background: rgba(20, 184, 166, 0.16);
  border-color: var(--accent-teal);
  transform: translateY(-2px);
}

.about-highlights-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: space-between;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
}

.highlight-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.icon-teal {
  background: rgba(20, 184, 166, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(20, 184, 166, 0.25);
}

.icon-blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.highlight-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.highlight-info p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   Skills Section
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.skill-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.skill-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.skill-category-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.skill-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
  cursor: default;
}

.tag-prefix {
  font-size: 0.7rem;
  opacity: 0.6;
}

.tag-teal {
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.25);
  color: #5EEAD4;
}

.tag-teal:hover {
  background: rgba(20, 184, 166, 0.2);
  border-color: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: 0 0 12px var(--accent-teal-glow);
}

.tag-blue {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93C5FD;
}

.tag-blue:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 0 12px var(--accent-blue-glow);
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Featured Project Showcase
   ========================================================================== */
.featured-project-section {
  position: relative;
}

.featured-card {
  padding: 3rem;
  border: 1px solid rgba(20, 184, 166, 0.25);
  box-shadow: var(--glass-shadow), 0 0 35px rgba(20, 184, 166, 0.08);
  position: relative;
  overflow: hidden;
}

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

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-teal);
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.featured-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.featured-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Metrics Stat Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 1.75rem;
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.metric-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.35rem;
}

.metric-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Features Grid */
.featured-features-container {
  margin-bottom: 2.5rem;
}

.features-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.features-title i {
  color: var(--accent-teal);
}

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

.feature-point {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.feature-icon {
  color: var(--accent-teal);
  font-size: 1rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.feature-text {
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Tags & Actions */
.featured-tags-container {
  margin-bottom: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
}

.tech-tags-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.featured-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .featured-card {
    padding: 1.75rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .featured-title {
    font-size: 1.4rem;
  }
}

/* ==========================================================================
   Other Projects Grid
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.folder-icon {
  font-size: 1.75rem;
  color: var(--accent-teal);
}

.project-github-link {
  font-size: 1.35rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.project-github-link:hover {
  color: var(--accent-teal);
  transform: translateY(-2px);
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.project-card-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

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

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Certifications Section
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cert-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cert-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.cert-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-teal);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.cert-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.cert-issuer {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

@media (max-width: 1024px) {
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
  align-items: start;
}

.contact-info {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.contact-info-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(11, 17, 32, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact-method-card:hover {
  background: rgba(11, 17, 32, 0.8);
  border-color: rgba(20, 184, 166, 0.4);
  transform: translateX(4px);
}

.method-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.method-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.method-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.method-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.method-arrow {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.contact-method-card:hover .method-arrow {
  color: var(--accent-teal);
  transform: translateX(3px);
}

.response-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.85rem 1rem;
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

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

@keyframes pulse-glow {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(20, 184, 166, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
}

/* Contact Form */
.contact-form-container {
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(11, 17, 32, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 12px var(--accent-teal-glow);
  background: rgba(11, 17, 32, 0.9);
}

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

.form-submit-btn {
  width: 100%;
  margin-top: 0.5rem;
  justify-content: center;
}

.form-status-message {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
  text-align: center;
}

.form-status-message.success {
  display: block;
  background: rgba(20, 184, 166, 0.15);
  border: 1px solid var(--accent-teal);
  color: #5EEAD4;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-name {
    font-size: 2.75rem;
  }
  
  .hero-headline {
    font-size: 1.25rem;
  }
}

@media (max-width: 868px) {
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1.75rem;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

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

@media (max-width: 576px) {
  .hero-name {
    font-size: 2.25rem;
  }
  
  .hero-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}