/* CSS Variables */
:root {
  --primary-color: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fbbf24;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1),
    0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --border-color: #475569;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3),
    0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.3),
    0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3),
    0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: var(--transition);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography System */
:root {
  /* Font Sizes */
  --text-xs: 0.75rem; /* 12px */
  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-lg: 1.125rem; /* 18px */
  --text-xl: 1.25rem; /* 20px */
  --text-2xl: 1.5rem; /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem; /* 36px */
  --text-5xl: 3rem; /* 48px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
}
h2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
}
h3 {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
}
h4 {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
}
h5 {
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
}
h6 {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-normal);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.nav-container {
  max-width: 1200px;
  /* margin: 0 auto; */
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 98vw;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-text {
  display: inline-block;
  padding: 8px 12px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 8px;
  transform: rotate(-5deg);
  transition: var(--transition);
}

.logo-text:hover {
  transform: rotate(0deg) scale(1.1);
}

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

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

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

.theme-toggle,
.color-picker-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover,
.color-picker-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
  box-shadow: var(--shadow-medium);
}

.theme-toggle:active,
.color-picker-btn:active {
  transform: scale(0.95);
}

/* تأثير خاص لأيقونة القمر */
.theme-toggle i {
  transition: var(--transition);
}

.theme-toggle:hover i {
  transform: rotate(20deg);
}

/* تأثير خاص لأيقونة لوحة الألوان */
.color-picker-btn i {
  transition: var(--transition);
}

.color-picker-btn:hover i {
  transform: rotate(15deg) scale(1.1);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Color Picker Modal */
.color-picker-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.color-picker-content {
  background: var(--bg-primary);
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  text-align: center;
  transform: scale(0.7) translateY(50px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  max-width: 500px;
  width: 90%;
}

.color-picker-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 24px 24px 0 0;
}

.color-picker-modal.active .color-picker-content {
  transform: scale(1) translateY(0);
}

.color-picker-content h3 {
  margin-bottom: 2rem;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  position: relative;
}

.color-picker-content h3::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.color-options {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 1rem 0;
}

.color-option {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 4px solid transparent;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-option::before {
  content: "";
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.color-option:hover {
  transform: scale(1.15) translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.color-option:hover::before {
  opacity: 1;
}

.color-option:active {
  transform: scale(1.05) translateY(-2px);
}

/* تأثير للون المحدد حالياً */
.color-option.selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color);
  transform: scale(1.1);
}

.color-option.selected::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* تأثير نبضة للون المحدد */
.color-option.selected {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.3);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(45, 212, 191, 0.1);
  }
  100% {
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.3);
  }
}

.close-color-picker {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(45, 212, 191, 0.3);
}

.close-color-picker::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.close-color-picker:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 212, 191, 0.4);
}

.close-color-picker:hover::before {
  left: 100%;
}

.close-color-picker:active {
  transform: translateY(0);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  overflow: hidden;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 1;
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 0.5;
  }
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-title {
  margin-bottom: 1.5rem;
}

.greeting {
  display: block;
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.name {
  display: block;
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.typing-text {
  display: block;
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  font-size: 1.8rem;
  color: var(--text-primary);
  border-right: 2px solid var(--primary-color);
  animation: blink 1s infinite;
  min-height: 30px;
}

.typing-text2 {
  display: block;
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  font-size: 1.8rem;
  color: var(--text-primary);
  border-right: 2px solid var(--primary-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,
  50% {
    border-color: var(--primary-color);
  }
  51%,
  100% {
    border-color: transparent;
  }
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.code-animation {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  font-family: "Courier New", monospace;
  box-shadow: var(--shadow-large);
  position: relative;
  overflow: hidden;
}

.code-animation::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.code-line {
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: typeIn 0.5s ease-out forwards;
}

.code-line:nth-child(1) {
  animation-delay: 0.5s;
}
.code-line:nth-child(2) {
  animation-delay: 1s;
}
.code-line:nth-child(3) {
  animation-delay: 1.5s;
}
.code-line:nth-child(4) {
  animation-delay: 2s;
}

@keyframes typeIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.indent {
  padding-left: 2rem;
}

.code-keyword {
  color: #c678dd;
}
.code-variable {
  color: #e06c75;
}
.code-operator {
  color: #56b6c2;
}
.code-string {
  color: #98c379;
}
.code-function {
  color: #61dafb;
}
.code-bracket {
  color: #abb2bf;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  transform: rotate(45deg);
}

/* Section Styles */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  line-height: var(--leading-tight);
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

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

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-primary);
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  transition: var(--transition);
}

.stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.stat-number {
  display: block;
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  line-height: var(--leading-tight);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: var(--leading-snug);
}

.about-image {
  position: relative;
}

.image-container {
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: 0 auto;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-element {
  position: absolute;
  font-size: 2rem;
  animation: floatAround 4s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-element:nth-child(1) {
  top: 10%;
  left: 50%;
}
.floating-element:nth-child(2) {
  top: 50%;
  right: 10%;
}
.floating-element:nth-child(3) {
  bottom: 10%;
  left: 50%;
}
.floating-element:nth-child(4) {
  top: 50%;
  left: 10%;
}

@keyframes floatAround {
  0%,
  100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.1);
  }
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-medium);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(45, 212, 191, 0.1),
    transparent
  );
  transition: var(--transition-slow);
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(10deg);
}

.service-card h3 {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.service-card p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
}

/* Skills Section */
.skills {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.skills::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(245, 158, 11, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(245, 158, 11, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  position: relative;
  z-index: 2;
  padding: 2rem 0;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding: 1.5rem;
  border-radius: 20px;
}

.skill-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.03) 0%,
    rgba(245, 158, 11, 0.08) 50%,
    rgba(245, 158, 11, 0.03) 100%
  );
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.skill-item:hover::before {
  opacity: 1;
}

.skill-item:hover {
  transform: translateY(-10px) scale(1.05);
}

.skill-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2.5rem;
  color: white;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.skill-icon::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.skill-item:hover .skill-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.skill-item:hover .skill-icon::before {
  opacity: 0.3;
}

.skill-name {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  letter-spacing: 0.3px;
  transition: color 0.3s ease;
  line-height: var(--leading-snug);
}

.skill-item:hover .skill-name {
  color: var(--primary-color);
}

.skill-bar-container {
  width: 100%;
  max-width: 120px;
  position: relative;
}

.skill-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 0.5rem;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.skill-progress {
  height: 100%;
  border-radius: 8px;
  width: 0;
  transition: width 2.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

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

.skill-percentage {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  transition: color 0.3s ease;
}

.skill-item:hover .skill-percentage {
  color: var(--primary-color);
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

/* Special styling for different skill categories */
.skill-item:nth-child(1) .skill-icon {
  background: linear-gradient(135deg, #61dafb, #21d4fd);
}
.skill-item:nth-child(2) .skill-icon {
  background: linear-gradient(135deg, #dd0031, #c3002f);
}
.skill-item:nth-child(3) .skill-icon {
  background: linear-gradient(135deg, #f7df1e, #f0db4f);
}
.skill-item:nth-child(4) .skill-icon {
  background: linear-gradient(135deg, #e34f26, #f06529);
}
.skill-item:nth-child(5) .skill-icon {
  background: linear-gradient(135deg, #512bd4, #68217a);
}
.skill-item:nth-child(6) .skill-icon {
  background: linear-gradient(135deg, #339933, #68cc66);
}
.skill-item:nth-child(7) .skill-icon {
  background: linear-gradient(135deg, #239120, #0078d4);
}
.skill-item:nth-child(8) .skill-icon {
  background: linear-gradient(135deg, #68217a, #512bd4);
}
.skill-item:nth-child(9) .skill-icon {
  background: linear-gradient(135deg, #336791, #4e9fd1);
}
.skill-item:nth-child(10) .skill-icon {
  background: linear-gradient(135deg, #336791, #4e9fd1);
}
.skill-item:nth-child(11) .skill-icon {
  background: linear-gradient(135deg, #f80000, #ff6b6b);
}
.skill-item:nth-child(12) .skill-icon {
  background: linear-gradient(135deg, #47a248, #4caf50);
}

/* Experience Section */
.timeline {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 100%;
  padding-left: 4rem;
}

.timeline-marker {
  position: absolute;
  top: 1.5rem;
  left: 20px;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: var(--shadow-medium);
  z-index: 2;
}

.timeline-content {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.timeline-content:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.timeline-date {
  color: var(--primary-color);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-content h3 {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.timeline-content h4 {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  line-height: var(--leading-snug);
}

.timeline-content ul {
  list-style: none;
  padding-left: 0;
}

.timeline-content p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.timeline-content li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-normal);
}

.timeline-content li::before {
  content: "▶";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 0.8rem;
}

/* Projects Section */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-primary);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.project-card:nth-child(1) {
  animation-delay: 0.1s;
}
.project-card:nth-child(2) {
  animation-delay: 0.2s;
}
.project-card:nth-child(3) {
  animation-delay: 0.3s;
}
.project-card:nth-child(4) {
  animation-delay: 0.4s;
}
.project-card:nth-child(5) {
  animation-delay: 0.5s;
}
.project-card:nth-child(6) {
  animation-delay: 0.6s;
}
.project-card:nth-child(7) {
  animation-delay: 0.7s;
}
.project-card:nth-child(8) {
  animation-delay: 0.8s;
}
.project-card:nth-child(9) {
  animation-delay: 0.9s;
}
.project-card:nth-child(10) {
  animation-delay: 1s;
}
.project-card:nth-child(11) {
  animation-delay: 1.1s;
}

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

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.05) 0%,
    rgba(245, 158, 11, 0.02) 50%,
    rgba(245, 158, 11, 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 20px;
}

.project-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.2);
}

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

.project-image {
  height: 200px;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

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

.project-link {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.project-link:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.project-content {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  justify-content: center;
  position: relative;
  min-height: 140px;
}

.project-content h3 {
  font-family: "Montserrat", "Poppins", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  margin-bottom: 0;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  transition: all 0.3s ease;
  position: relative;
}

.project-card:hover .project-content h3 {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.project-links {
  display: flex;
  gap: 0.5rem;
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-links {
  opacity: 1;
  transform: translateY(0);
}

.project-links .project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  box-shadow: 0 4px 12px rgba(45, 212, 191, 0.3);
  position: relative;
  overflow: hidden;
}

.project-links .project-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.project-links .project-link:hover {
  background: var(--primary-dark);
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 20px rgba(45, 212, 191, 0.4);
}

.project-links .project-link:hover::before {
  left: 100%;
}

.project-links .project-link:active {
  transform: scale(1.05) translateY(-1px);
}

.project-links .project-link i {
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.contact-info p {
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.contact-item p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

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

.social-links a {
  width: 50px;
  height: 50px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.social-links a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-large);
  border: 1px solid var(--border-color);
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
  pointer-events: none;
  background: var(--bg-primary);
  padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.5rem;
  left: 0.5rem;
  font-size: 0.8rem;
  color: var(--primary-color);
}

.error-message {
  display: block;
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  opacity: 0;
  transition: var(--transition);
}

.error-message.show {
  opacity: 1;
}

.btn-loading {
  display: none;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-content p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: left 0.3s ease;
    border-top: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .name {
    font-size: 2.8rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 3rem;
  }

  .timeline-marker {
    left: 10px;
    top: 1.5rem;
  }

  .timeline-content {
    padding: 1.5rem;
  }

  .services-grid,
  .projects-grid,
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .project-content {
    padding: 2rem 1.5rem;
    min-height: 120px;
  }

  .project-content h3 {
    font-size: 1.2rem;
  }

  .project-links .project-link {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .color-options {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .color-option {
    width: 50px;
    height: 50px;
  }

  .color-picker-content {
    padding: 2rem;
    margin: 1rem;
  }

  .color-picker-content h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .name {
    font-size: var(--text-4xl);
  }

  .typing-text {
    font-size: var(--text-xl);
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Selection */
::selection {
  background: var(--primary-color);
  color: white;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .navbar,
  .nav-controls,
  .color-picker-modal,
  .scroll-indicator {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
}