/* ==========================================================================================================
   PREMIUM PORTFOLIO DESIGN SYSTEM - iOS 26 LIQUID GLASS AESTHETIC
   Author: Arsh Verma | Portfolio: ArshCreates | GitHub: @ArshVermaGit
   Version: 3.0.0 - Liquid Glass Edition | Created: November 2024
   ========================================================================================================== */

/* ===== ROOT VARIABLES - THEME SYSTEM ===== */
:root {
  /* Warm Yellow Color Palette */
  --yellow-primary: #FFB800;
  --yellow-secondary: #FF9500;
  --yellow-accent: #FFC933;
  --yellow-deep: #CC9200;

  /* Light Mode Colors */
  --bg-light: #FFFFFF;
  --text-light: #000000;
  --text-secondary-light: #4A4A4A;
  --text-tertiary-light: #8E8E93;
  --card-bg-light: rgba(255, 255, 255, 0.7);
  --border-light: rgba(0, 0, 0, 0.08);

  /* Active Theme Variables - Default Light */
  --bg-primary: var(--bg-light);
  --text-primary: var(--text-light);
  --text-secondary: var(--text-secondary-light);
  --text-tertiary: var(--text-tertiary-light);
  --card-bg: var(--card-bg-light);
  --bg-secondary: rgba(250, 250, 250, 0.8);
  --border-color: var(--border-light);

  /* Accent Colors */
  --accent-primary: var(--yellow-primary);
  --accent-secondary: var(--yellow-secondary);
  --accent-gradient: linear-gradient(135deg, var(--yellow-primary) 0%, var(--yellow-secondary) 100%);

  /* iOS 26 Liquid Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-blur: blur(40px) saturate(180%);
  --glass-border: 1px solid rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --liquid-glass-warm: rgba(255, 184, 0, 0.12);
  --liquid-glass-overlay: linear-gradient(135deg,
      rgba(255, 184, 0, 0.1) 0%,
      rgba(255, 149, 0, 0.08) 50%,
      rgba(255, 184, 0, 0.1) 100%);

  /* Spacing System */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 5rem;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Typography Scale */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  --font-6xl: 4rem;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 24px 60px rgba(0, 0, 0, 0.18);
  --shadow-glow-sm: 0 4px 16px rgba(255, 184, 0, 0.35);
  --shadow-glow-md: 0 8px 28px rgba(255, 184, 0, 0.45);
  --shadow-glow-lg: 0 16px 48px rgba(255, 184, 0, 0.55);

  /* Z-Index Layers */
  --z-particles: 1;
  --z-content: 10;
  --z-navbar: 100;
  --z-modal: 200;
  --z-notification: 300;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --bg-dark: #000000;
  --text-dark: #FFFFFF;
  --text-secondary-dark: #B0B0B0;
  --text-tertiary-dark: #8E8E93;
  --card-bg-dark: rgba(20, 20, 20, 0.7);
  --border-dark: rgba(255, 255, 255, 0.12);

  --bg-primary: var(--bg-dark);
  --text-primary: var(--text-dark);
  --text-secondary: var(--text-secondary-dark);
  --text-tertiary: var(--text-tertiary-dark);
  --card-bg: var(--card-bg-dark);
  --bg-secondary: rgba(30, 30, 30, 0.8);
  --border-color: var(--border-dark);

  --glass-bg: rgba(20, 20, 20, 0.7);
  --glass-border: 1px solid rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  --liquid-glass-warm: rgba(255, 184, 0, 0.08);
  --liquid-glass-overlay: linear-gradient(135deg,
      rgba(255, 184, 0, 0.06) 0%,
      rgba(255, 149, 0, 0.04) 50%,
      rgba(255, 184, 0, 0.06) 100%);
}

/* ===== GLOBAL RESET & BASE STYLES ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
  -webkit-overflow-scrolling: touch;
}

::selection {
  background: var(--yellow-primary);
  color: var(--bg-primary);
}

::-moz-selection {
  background: var(--yellow-primary);
  color: var(--bg-primary);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  width: 100%;
}

.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

/* ===== LIQUID GLASS NAVIGATION ===== */
.navbar {
  position: fixed;
  top: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--spacing-3xl));
  max-width: 1200px;
  z-index: var(--z-navbar);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  background-image: var(--liquid-glass-overlay);
  background-blend-mode: overlay;
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  transition: all var(--transition-smooth);
}

.navbar:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-md);
  transform: translateX(-50%) translateY(-2px);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: var(--font-lg);
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-sm);
  transition: all var(--transition-base);
}

.logo:hover .logo-icon {
  box-shadow: var(--shadow-glow-md);
  transform: rotate(10deg);
}

.logo-icon i {
  color: #FFFFFF;
  font-size: var(--font-lg);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--liquid-glass-warm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: var(--yellow-primary);
  transform: translateY(-2px);
}

.nav-link.active {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-sm);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: var(--shadow-md), var(--shadow-glow-sm);
}

.theme-toggle i {
  color: var(--yellow-primary);
  font-size: var(--font-lg);
  transition: transform var(--transition-base);
}

.theme-toggle:hover i {
  transform: rotate(180deg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-20px);
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== PARTICLE BACKGROUND ===== */
.particles-container {
  position: fixed;
  inset: 0;
  z-index: var(--z-particles);
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--yellow-primary);
  border-radius: 50%;
  opacity: 0.2;
  animation: float 20s infinite ease-in-out;
  box-shadow: 0 0 10px var(--yellow-primary);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) translateX(0) scale(1);
  }

  33% {
    transform: translateY(-30px) translateX(15px) scale(1.2);
  }

  66% {
    transform: translateY(-15px) translateX(-15px) scale(0.8);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: calc(var(--spacing-4xl) + 80px) 0 var(--spacing-4xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-gradient-1,
.hero-gradient-2,
.hero-gradient-3 {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  animation: gradientFloat 30s ease-in-out infinite;
}

.hero-gradient-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--yellow-primary) 0%, transparent 70%);
  top: -200px;
  left: -150px;
  animation-delay: 0s;
}

.hero-gradient-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--yellow-secondary) 0%, transparent 70%);
  bottom: -150px;
  right: -100px;
  animation-delay: 10s;
}

.hero-gradient-3 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--yellow-accent) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: 20s;
}

@keyframes gradientFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(50px, -40px) scale(1.1);
  }

  66% {
    transform: translate(-30px, 50px) scale(0.9);
  }
}

.hero-content {
  position: relative;
  z-index: var(--z-content);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--spacing-md);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md), var(--shadow-glow-sm);
  color: var(--yellow-primary);
  font-weight: 700;
  font-size: var(--font-sm);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: var(--spacing-xl);
  transition: all var(--transition-base);
}

.status-badge:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-md);
}

.status-pulse {
  width: 8px;
  height: 8px;
  background: var(--yellow-primary);
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--yellow-primary);
}

@keyframes statusPulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, var(--font-6xl));
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
}

.title-line {
  display: block;
  font-size: clamp(1rem, 3vw, var(--font-2xl));
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.title-gradient {
  display: block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradientShift {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

.typewriter-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 60px;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.typewriter-text {
  font-size: clamp(1rem, 3vw, var(--font-xl));
  font-weight: 700;
  color: var(--yellow-primary);
  text-shadow: 0 2px 12px rgba(255, 184, 0, 0.3);
}

.typewriter-cursor {
  font-size: clamp(1rem, 3vw, var(--font-xl));
  color: var(--yellow-primary);
  animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, var(--font-lg));
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  padding: 0 var(--spacing-md);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
  padding: 0 var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-base);
  font-weight: 700;
  border-radius: var(--radius-lg);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: none;
  outline: none;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border: 2px solid transparent;
  box-shadow: var(--shadow-md), var(--shadow-glow-sm);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-md);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-glow-sm);
}

/* ===== PERFECT HERO STATS - ALL SCREEN SIZES ===== */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  max-width: 650px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 90%;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 70px;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

.stat-item:last-child::after {
  display: none;
}

.stat-item:hover {
  transform: translateY(-3px);
  background: var(--liquid-glass-warm);
}

.stat-number {
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
}

.stat-label {
  font-size: clamp(0.6rem, 1.5vw, 0.75rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  line-height: 1.2;
  white-space: nowrap;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Large desktops (1400px+) */
@media (min-width: 1400px) {
  .hero-stats {
    max-width: 700px;
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .stat-item {
    min-height: 85px;
    padding: var(--spacing-md);
  }
}

/* Standard laptops (1200px - 1399px) */
@media (min-width: 1200px) and (max-width: 1399px) {
  .hero-stats {
    max-width: 650px;
  }

  .stat-item {
    min-height: 80px;
  }
}

/* Medium laptops (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
  .hero-stats {
    max-width: 600px;
    padding: var(--spacing-lg);
  }

  .stat-item {
    min-height: 75px;
  }
}

/* Tablets and small laptops (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .hero-stats {
    max-width: 550px;
    padding: var(--spacing-md);
  }

  .stat-item {
    min-height: 70px;
    padding: var(--spacing-sm);
  }

  .stat-number {
    font-size: clamp(1.1rem, 3.5vw, 1.5rem);
  }

  .stat-label {
    font-size: clamp(0.55rem, 1.3vw, 0.7rem);
  }
}

/* Mobile landscape (576px - 767px) */
@media (max-width: 767px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
    max-width: 500px;
    padding: var(--spacing-md) var(--spacing-sm);
    width: 95%;
  }

  .stat-item {
    min-height: 65px;
    padding: var(--spacing-xs);
  }

  .stat-item::after {
    top: 10%;
    height: 80%;
  }

  .stat-number {
    font-size: clamp(1rem, 3vw, 1.25rem);
  }

  .stat-label {
    font-size: clamp(0.5rem, 1.2vw, 0.65rem);
    letter-spacing: 0.6px;
  }
}

/* Mobile portrait (480px - 575px) */
@media (max-width: 575px) {
  .hero-stats {
    max-width: 400px;
    padding: var(--spacing-sm);
  }

  .stat-item {
    min-height: 60px;
  }

  .stat-number {
    font-size: clamp(0.9rem, 2.8vw, 1.1rem);
  }

  .stat-label {
    font-size: clamp(0.45rem, 1.1vw, 0.6rem);
    letter-spacing: 0.5px;
  }
}

/* Small mobile (under 480px) */
@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    max-width: 280px;
    padding: var(--spacing-md);
  }

  .stat-item {
    min-height: 55px;
    padding: var(--spacing-sm);
  }

  .stat-item::after {
    display: none;
  }

  .stat-number {
    font-size: var(--font-lg);
  }

  .stat-label {
    font-size: var(--font-xs);
    letter-spacing: 0.8px;
  }

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

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* Extra small mobile (under 375px) */
@media (max-width: 375px) {
  .hero-stats {
    max-width: 260px;
    padding: var(--spacing-sm);
  }

  .stat-item {
    min-height: 50px;
    padding: var(--spacing-xs);
  }

  .stat-number {
    font-size: var(--font-base);
  }

  .stat-label {
    font-size: 0.55rem;
  }

  .typewriter-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .hero-description {
    padding: 0 var(--spacing-sm);
  }
}

/* ===== ABOUT SECTION ===== */
.about-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-content {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-image {
  position: relative;
}

.image-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-xl), var(--shadow-glow-sm);
  transition: all var(--transition-smooth);
}

.image-container:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-lg);
  border-color: var(--yellow-primary);
}

.profile-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.image-container:hover .profile-image {
  transform: scale(1.05);
}

.image-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, var(--yellow-primary) 0%, transparent 70%);
  opacity: 0.15;
  filter: blur(60px);
  animation: imageGlow 8s ease-in-out infinite;
}

@keyframes imageGlow {

  0%,
  100% {
    opacity: 0.15;
    transform: scale(1);
  }

  50% {
    opacity: 0.25;
    transform: scale(1.1);
  }
}

.image-frame {
  position: absolute;
  inset: -15px;
  border: 2px solid var(--yellow-primary);
  border-radius: calc(var(--radius-xl) + 8px);
  opacity: 0.3;
  animation: frameGlow 5s ease-in-out infinite;
}

@keyframes frameGlow {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 0.5;
  }
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent-gradient);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-xl), var(--shadow-glow-md);
  color: #FFFFFF;
  transition: all var(--transition-smooth);
}

.experience-badge:hover {
  transform: translateY(-8px) rotate(5deg) scale(1.05);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-lg);
}

.exp-years {
  font-size: var(--font-3xl);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.exp-text {
  font-size: var(--font-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: var(--spacing-sm);
  opacity: 0.95;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.text-content h3 {
  font-size: var(--font-4xl);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--yellow-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-content p {
  font-size: var(--font-lg);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.feature-item:hover {
  transform: translateY(-5px) translateX(5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
  border-color: rgba(255, 184, 0, 0.3);
}

.feature-item i {
  font-size: var(--font-2xl);
  color: var(--yellow-primary);
  transition: transform var(--transition-base);
}

.feature-item:hover i {
  transform: scale(1.2) rotate(10deg);
}

.feature-item span {
  font-weight: 600;
  font-size: var(--font-base);
  color: var(--text-primary);
}

.about-actions {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  color: var(--yellow-primary);
  font-weight: 700;
  font-size: var(--font-sm);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
}

.section-badge:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
}

.section-title {
  font-size: var(--font-5xl);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== PORTFOLIO CATEGORIES ===== */
.portfolio-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.category-card {
  padding: var(--spacing-2xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--liquid-glass-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.category-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-md);
  border-color: rgba(255, 184, 0, 0.4);
}

.category-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto var(--spacing-xl);
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-md);
  position: relative;
  transition: all var(--transition-smooth);
}

.category-card:hover .category-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: var(--shadow-glow-lg);
}

.category-icon i {
  font-size: var(--font-3xl);
  color: #FFFFFF;
  z-index: 2;
}

.icon-glow {
  position: absolute;
  inset: -20px;
  background: var(--yellow-primary);
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {

  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

.category-card h3 {
  font-size: var(--font-2xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.category-card p {
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.category-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.category-stats .stat {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--yellow-primary);
  transition: all var(--transition-base);
}

.category-stats .stat:hover {
  transform: scale(1.05);
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-color: transparent;
}

/* ===== SKILLS SECTION ===== */
.skills-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.category-tabs {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-md);
  background: var(--card-bg);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.tab-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-base);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-sm);
}

.tab-btn:hover:not(.active) {
  background: var(--liquid-glass-warm);
  border-color: rgba(255, 184, 0, 0.3);
  transform: translateY(-2px);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.skill-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.skill-item {
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.skill-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
  border-color: rgba(255, 184, 0, 0.3);
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.skill-name {
  font-weight: 700;
  font-size: var(--font-lg);
  color: var(--text-primary);
}

.skill-percent {
  font-weight: 800;
  font-size: var(--font-lg);
  color: var(--yellow-primary);
}

.skill-bar {
  height: 12px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 16px var(--yellow-primary);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.tool-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
  text-align: center;
}

.tool-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
  border-color: rgba(255, 184, 0, 0.4);
}

.tool-item i {
  font-size: var(--font-3xl);
  color: var(--yellow-primary);
  transition: all var(--transition-base);
}

.tool-item:hover i {
  transform: scale(1.15) rotate(10deg);
}

.tool-item span {
  font-weight: 600;
  font-size: var(--font-base);
  color: var(--text-primary);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.certification-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.certification-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
  border-color: rgba(255, 184, 0, 0.3);
}

.cert-icon {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.15), rgba(255, 149, 0, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 184, 0, 0.3);
}

.cert-icon i {
  font-size: var(--font-2xl);
  color: var(--yellow-primary);
}

.cert-info h4 {
  font-size: var(--font-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.cert-issuer {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.cert-year {
  font-size: var(--font-sm);
  color: var(--yellow-primary);
  font-weight: 600;
}

.certifications-cta {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-2xl);
}

/* ===== CONTACT SECTION ===== */
.contact-container {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.contact-info {
  padding: var(--spacing-3xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  position: sticky;
  top: 120px;
}

.contact-header h3 {
  font-size: var(--font-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.contact-header p {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  min-height: 80px;
}

.contact-method:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  background: var(--liquid-glass-warm);
  border-color: rgba(255, 184, 0, 0.3);
}

.method-icon {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-sm);
  transition: all var(--transition-base);
}

.contact-method:hover .method-icon {
  transform: scale(1.05) rotate(5deg);
  box-shadow: var(--shadow-glow-md);
}

.method-icon i {
  font-size: var(--font-lg);
  color: #FFFFFF;
}

.method-info {
  flex: 1;
  min-width: 0;
  /* Prevents text overflow */
}

.method-info h4 {
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--yellow-primary);
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.method-info a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-sm);
  transition: color var(--transition-base);
  word-break: break-all;
  /* Handles long email addresses */
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.method-info a:hover {
  color: var(--yellow-primary);
}

/* Mobile responsiveness for contact methods */
@media (max-width: 768px) {
  .contact-method {
    padding: var(--spacing-sm);
    min-height: 70px;
    gap: var(--spacing-sm);
  }

  .method-icon {
    width: 44px;
    height: 44px;
  }

  .method-icon i {
    font-size: var(--font-base);
  }

  .method-info h4 {
    font-size: 0.7rem;
  }

  .method-info a {
    font-size: var(--font-xs);
  }
}

@media (max-width: 480px) {
  .contact-methods {
    gap: var(--spacing-sm);
  }

  .contact-method {
    min-height: 65px;
    padding: var(--spacing-sm) var(--spacing-xs);
  }

  .method-icon {
    width: 40px;
    height: 40px;
  }

  .method-info h4 {
    font-size: 0.65rem;
    letter-spacing: 0.8px;
  }

  .method-info a {
    font-size: 0.75rem;
  }
}

.contact-social {
  display: flex;
  gap: var(--spacing-md);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
}

.social-link {
  width: 52px;
  height: 52px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.social-link:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-md);
}

.social-link i {
  font-size: var(--font-lg);
}

.contact-form-container {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-xl);
}

.form-header h3 {
  font-size: var(--font-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.form-header p {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.form-group {
  position: relative;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--font-base);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-lg);
  padding-right: var(--spacing-2xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-base);
  color: var(--text-primary);
  font-family: inherit;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--yellow-primary);
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(255, 184, 0, 0.15);
  transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-primary);
  opacity: 0.5;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: var(--spacing-2xl);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23FFB800'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-lg) center;
  background-size: 1rem;
  cursor: pointer;
}

.form-group select::-ms-expand {
  display: none;
}

.form-group select option {
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: var(--spacing-md);
  font-size: var(--font-base);
  border: none;
}

.input-icon {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--yellow-primary);
  font-size: var(--font-lg);
  pointer-events: none;
}

.form-group label+input~.input-icon,
.form-group label+select~.input-icon {
  top: calc(50% + var(--spacing-sm));
}

#projectDetailsGroup,
#feedbackGroup {
  animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-submit {
  width: 100%;
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  font-size: var(--font-lg);
  justify-content: center;
  font-weight: 700;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  box-shadow: 0 -12px 35px rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  margin-top: var(--spacing-2xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--yellow-primary), transparent);
  opacity: 0.5;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.footer-description {
  font-size: var(--font-base);
  opacity: 0.8;
  line-height: 1.5;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.link-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.link-group h4 {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.link-group a {
  color: var(--text-primary);
  opacity: 0.8;
  text-decoration: none;
  font-size: var(--font-sm);
  transition: all var(--transition-fast);
  padding: var(--spacing-xs) 0;
  position: relative;
}

.link-group a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--yellow-primary);
  transition: width var(--transition-fast);
}

.link-group a:hover::after {
  width: 100%;
}

.link-group a:hover {
  color: var(--yellow-primary);
  opacity: 1;
  transform: translateX(5px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.copyright {
  font-size: var(--font-xs);
  opacity: 0.7;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 55px;
  height: 55px;
  background: var(--accent-gradient);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-lg);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-md);
}

/* ===== NOTIFICATION SYSTEM ===== */
#notificationContainer {
  position: fixed;
  top: 6rem;
  right: 2rem;
  z-index: var(--z-notification);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.notification {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  min-width: 350px;
  animation: slideIn 0.4s ease;
}

.notification.success {
  border-left: 4px solid #10B981;
}

.notification.error {
  border-left: 4px solid #EF4444;
}

.notification.info {
  border-left: 4px solid #3B82F6;
}

.notification.warning {
  border-left: 4px solid var(--yellow-secondary);
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification.success .notification-icon {
  background: rgba(16, 185, 129, 0.2);
  color: #10B981;
}

.notification.error .notification-icon {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
}

.notification.info .notification-icon {
  background: rgba(59, 130, 246, 0.2);
  color: #3B82F6;
}

.notification.warning .notification-icon {
  background: rgba(255, 149, 0, 0.2);
  color: var(--yellow-secondary);
}

.notification-content {
  flex: 1;
}

.notification-title {
  font-weight: 700;
  font-size: var(--font-base);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.notification-message {
  font-size: var(--font-sm);
  opacity: 0.8;
  color: var(--text-primary);
  line-height: 1.4;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  padding: var(--spacing-xs);
}

.notification-close:hover {
  opacity: 1;
}

@keyframes slideIn {
  from {
    transform: translateX(350px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }

  to {
    transform: translateX(350px);
    opacity: 0;
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .hero-title {
    font-size: var(--font-5xl);
  }

  .about-content {
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-3xl);
  }

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

@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  }

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

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: var(--font-4xl);
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    text-align: center;
  }

  .about-image {
    max-width: 320px;
    margin: 0 auto;
  }

  .experience-badge {
    bottom: -15px;
    right: -15px;
  }

  .about-actions {
    justify-content: center;
  }

  .portfolio-categories {
    grid-template-columns: 1fr;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }

  .contact-info {
    position: static;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }

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

  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .hero {
    padding-top: 5rem;
  }

  .hero-title {
    font-size: var(--font-3xl);
  }

  .title-line {
    font-size: var(--font-lg);
  }

  .typewriter-text {
    font-size: var(--font-base);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .stat-item {
    padding: var(--spacing-lg);
  }

  .category-tabs {
    flex-wrap: wrap;
  }

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

  .form-grid {
    grid-template-columns: 1fr;
  }

  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  #notificationContainer {
    right: 1rem;
    left: 1rem;
  }

  .notification {
    min-width: auto;
    padding: var(--spacing-lg);
  }

  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .hero-title {
    font-size: var(--font-2xl);
  }

  .hero-description {
    font-size: var(--font-base);
  }

  .stat-number {
    font-size: var(--font-base);
  }

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

  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .hero-actions,
  .about-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn,
  .about-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .contact-method {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
  }

  .contact-social {
    justify-content: center;
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .particle,
  .hero-gradient-1,
  .hero-gradient-2,
  .hero-gradient-3 {
    animation: none !important;
  }
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--yellow-primary);
  outline-offset: 2px;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--yellow-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--yellow-secondary);
}