/* ===== RESET & BASE STYLES =====
   Purpose: Normalize defaults and define CSS variables used throughout
*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Enhanced Color Palette */
  --primary-color: #667eea;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-color: #f093fb;
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-color: #4facfe;
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-color: #43e97b;
  --warning-color: #fa709a;
  --info-color: #667eea;

  /* Advanced Gradients (rainbow/aurora kept where used) */
  --rainbow-gradient: linear-gradient(
    45deg,
    #667eea,
    #764ba2,
    #f093fb,
    #f5576c,
    #4facfe,
    #00f2fe
  );
  --aurora-gradient: linear-gradient(
    45deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #f5576c 75%,
    #4facfe 100%
  );
  --glass-gradient: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );

  /* Text Colors */
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-light: #a0aec0;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f7fafc;
  --bg-tertiary: #edf2f7;
  --bg-glass: rgba(255, 255, 255, 0.25);
  --bg-glass-dark: rgba(0, 0, 0, 0.1);

  /* Border & Shadow */
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
  /* Removed unused shadows: neon, rainbow */

  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  font-size: 16px;
  font-weight: 400;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-normal);
  position: relative;
}

a:hover {
  color: var(--secondary-color);
  transform: translateY(-1px);
}

ul {
  list-style: none;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  position: relative;
  line-height: 1.2;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.underline {
  height: 4px;
  width: 80px;
  background: var(--primary-gradient);
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: var(--shadow-sm);
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: var(--transition-slow);
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

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

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  background: var(--secondary-gradient);
}

.secondary-btn {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  backdrop-filter: blur(10px);
}

.secondary-btn:hover {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* ===== HEADER & NAVIGATION =====
   Purpose: Fixed glass header with responsive nav and logo
*/
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition-normal);
}

header.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px);
  box-shadow: var(--shadow-xl);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-normal);
  white-space: nowrap;
  line-height: 1.2;
  text-decoration: none;
}

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

.logo h1 {
  font-size: 2rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-normal);
  margin: 0;
}

.logo h1:hover {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
}

.nav-links li {
  margin-left: 25px;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 600;
  position: relative;
  padding: 6px 12px;
  border-radius: 25px;
  transition: var(--transition-normal);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: white;
  background: var(--primary-gradient);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
  transition: var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 80%;
}

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

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 120px;
  padding-bottom: 100px;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(118, 75, 162, 0.05) 50%,
    rgba(79, 172, 254, 0.05) 100%
  );
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  top: 10%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: var(--aurora-gradient);
  border-radius: 50%;
  opacity: 0.1;
  animation: morph 15s ease-in-out infinite, pulse 4s ease-in-out infinite;
  filter: blur(40px);
}

.hero .floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.hero .floating-shapes::before,
.hero .floating-shapes::after {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--rainbow-gradient);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  opacity: 0.1;
  animation: morph 20s ease-in-out infinite;
}

.hero .floating-shapes::before {
  top: 20%;
  left: 10%;
  animation-delay: -5s;
}

.hero .floating-shapes::after {
  bottom: 20%;
  right: 10%;
  animation-delay: -10s;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.hero-content {
  flex: 1;
  padding-right: 40px;
  animation: slideInLeft 1s ease-out;
}

.hero-image {
  flex: 1;
  text-align: center;
  animation: slideInRight 1s ease-out;
}

.hero-image img {
  max-width: 85%;
  max-height: 500px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  animation: float 6s ease-in-out infinite;
  transition: var(--transition-normal);
}

.hero-image img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

@keyframes float {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
  100% {
    transform: translateY(0px) rotate(0deg);
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translateX(-50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  0% {
    opacity: 0;
    transform: translateX(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes morph {
  0% {
    border-radius: 50% 40% 60% 30%;
  }
  25% {
    border-radius: 30% 60% 40% 50%;
  }
  50% {
    border-radius: 60% 30% 50% 40%;
  }
  75% {
    border-radius: 40% 50% 30% 60%;
  }
  100% {
    border-radius: 50% 40% 60% 30%;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Removed unused keyframes: glow */

/* Removed unused keyframes: rainbow */

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

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes bounce-in {
  0% {
    transform: scale(0.3) rotate(-10deg);
    opacity: 0;
  }
  50% {
    transform: scale(1.05) rotate(5deg);
  }
  70% {
    transform: scale(0.9) rotate(-2deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

@keyframes slide-up {
  0% {
    transform: translateY(100px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes zoom-in {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Removed unused keyframes: wiggle */

/* Removed unused keyframes: heartbeat */

/* Removed unused keyframes: sparkle */

/* Removed unused keyframes: gradient-shift */

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out 0.2s both;
  position: relative;
}

.hero h1::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.hero h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 25px;
  color: var(--text-secondary);
  animation: fadeInUp 1s ease-out 0.4s both;
  line-height: 1.3;
}

.hero h2 .typed-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 35px;
  color: var(--text-muted);
  line-height: 1.7;
  animation: fadeInUp 1s ease-out 0.6s both;
  max-width: 600px;
}

.hero-buttons {
  margin-bottom: 40px;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-buttons .btn {
  margin-right: 20px;
  margin-bottom: 15px;
}

.social-icons {
  display: flex;
  gap: 20px;
  animation: fadeInUp 1s ease-out 1s both;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: white;
  font-size: 1.3rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.social-icons a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--secondary-gradient);
  opacity: 0;
  transition: var(--transition-normal);
  border-radius: 50%;
}

.social-icons a:hover::before {
  opacity: 1;
}

.social-icons a:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.social-icons a i {
  position: relative;
  z-index: 2;
}

/* ===== ABOUT SECTION ===== */
.about {
  background: linear-gradient(
    135deg,
    rgba(247, 250, 252, 0.8) 0%,
    rgba(237, 242, 247, 0.8) 100%
  );
  position: relative;
  overflow: hidden;
}

.about::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.5;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  position: relative;
  z-index: 2;
  align-items: start;
}

.about-text p {
  margin-bottom: 25px;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.skills-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin: 40px 0;
}

.skill-domain {
  padding: 30px;
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.skill-domain::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
}

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

.skill-domain:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.skill-domain.tech {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
  border-left: 5px solid;
  border-image: var(--primary-gradient) 1;
}

.skill-domain.finance {
  background: linear-gradient(
    135deg,
    rgba(79, 172, 254, 0.1) 0%,
    rgba(0, 242, 254, 0.1) 100%
  );
  border-left: 5px solid;
  border-image: var(--accent-gradient) 1;
}

.skill-domain h4 {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.skill-domain h4 i {
  margin-right: 12px;
  font-size: 1.3rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-buttons {
  margin-top: 30px;
}

.about-buttons .btn {
  margin-right: 15px;
}

.about-info {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

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

.info-item {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  transition: var(--transition-normal);
}

.info-item:hover {
  transform: translateX(5px);
}

.info-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.info-title {
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1.1rem;
}

.education-section {
  grid-column: 1 / -1;
  margin-top: 50px;
}

.education-section h3 {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
  font-size: 1.8rem;
  color: var(--text-primary);
  font-weight: 700;
}

.education-section h3 i {
  margin-right: 15px;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.education-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: 25px;
  transition: var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

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

.education-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.education-item h4 {
  color: var(--primary-color);
  margin-bottom: 5px;
}

.education-institution {
  font-weight: 500;
  margin-bottom: 5px;
}

.education-period {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.future-education {
  border-left: 4px solid var(--accent-color);
}

/* ===== SKILLS SECTION ===== */
.skills-content {
  display: grid;
  gap: 40px;
}

.skill-category h3 {
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 25px;
}

.skill-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  padding: 30px 20px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.skill-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(118, 75, 162, 0.05) 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
}

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

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

.skill-icon {
  font-size: 3rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  transition: var(--transition-normal);
}

.skill-item:hover .skill-icon {
  transform: scale(1.1);
}

.skill-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.interest-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  padding: 25px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

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

.interest-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.interest-item h4 {
  color: var(--text-primary);
  margin-bottom: 15px;
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.interest-item p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ===== CAREER OVERVIEW SECTION ===== */
.career-overview {
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.95) 0%,
    rgba(30, 41, 59, 0.95) 50%,
    rgba(0, 0, 0, 0.95) 100%
  );
  position: relative;
  overflow: hidden;
  color: #fff;
}

.career-overview::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(96,165,250,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(96,165,250,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(96,165,250,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(96,165,250,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(96,165,250,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
  z-index: 1;
}

.career-overview .section-header h2 {
  color: #60a5fa;
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
}

.career-overview .underline {
  background: linear-gradient(90deg, #60a5fa, #38bdf8, #60a5fa);
  height: 3px;
  width: 100px;
  margin: 0 auto 50px;
  border-radius: 2px;
}

.career-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  position: relative;
  z-index: 2;
}

.career-card {
  background: rgba(30, 41, 59, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(51, 65, 85, 0.5);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-bounce);
  overflow: hidden;
  position: relative;
}

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

.career-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 8px 30px rgba(96, 165, 250, 0.3);
  border-color: rgba(96, 165, 250, 0.5);
}

.career-card-header {
  padding: 25px 25px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(
    135deg,
    rgba(96, 165, 250, 0.05) 0%,
    rgba(56, 189, 248, 0.05) 100%
  );
}

.career-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  flex-shrink: 0;
}

.career-card:hover .career-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.career-card-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #38bdf8;
  margin: 0;
  background: linear-gradient(135deg, #38bdf8, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.career-content {
  padding: 0 25px 25px;
}

.career-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.career-content li {
  background: rgba(51, 65, 85, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 8px 0;
  padding: 12px 15px;
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  color: #e2e8f0;
  transition: var(--transition-normal);
  border: 1px solid rgba(71, 85, 105, 0.3);
}

.career-content li:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(96, 165, 250, 0.3);
  transform: translateX(5px);
}

.status {
  font-size: 1.1rem;
  font-weight: 600;
}

.status.check {
  color: #22c55e;
}

.status.cross {
  color: #ef4444;
}

.status.pending {
  color: #facc15;
}

/* ===== CERTIFICATES SECTION ===== */
.certificates {
  background: linear-gradient(
    135deg,
    rgba(247, 250, 252, 0.8) 0%,
    rgba(237, 242, 247, 0.8) 100%
  );
  position: relative;
  overflow: hidden;
}

.certificates::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="cert-pattern" width="30" height="30" patternUnits="userSpaceOnUse"><circle cx="15" cy="15" r="2" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23cert-pattern)"/></svg>');
  opacity: 0.3;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.certificate-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 30px;
}

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

.certificate-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.certificates .certificate-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  align-self: flex-start;
  margin-top: -5px;
}

.certificates .certificate-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition-normal);
}

.certificate-item:hover .certificate-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.certificate-item:hover .certificate-icon::before {
  opacity: 1;
}

.certificate-image {
  height: 200px;
  overflow: hidden;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.certificate-item:hover .certificate-image img {
  transform: scale(1.05);
}

.certificate-info {
  flex: 1;
}

.certificate-info h4 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.certificate-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.certificate-issuer {
  display: flex;
  align-items: center;
}

.certificate-issuer i {
  margin-right: 5px;
  color: var(--primary-color);
}

.certificate-date {
  display: flex;
  align-items: center;
}

.certificate-date i {
  margin-right: 5px;
  color: var(--primary-color);
}

.certificate-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
}

.certificate-actions a {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 500;
}

.certificate-actions a i {
  margin-right: 5px;
}

.view-all-certificates {
  text-align: center;
  margin-top: 40px;
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.08) 0%,
    rgba(118, 75, 162, 0.08) 50%,
    rgba(79, 172, 254, 0.08) 100%
  );
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="contact-pattern" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1.5" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23contact-pattern)"/></svg>');
  opacity: 0.4;
  animation: float 30s ease-in-out infinite;
}

.contact::after {
  content: "";
  position: absolute;
  top: 20%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: var(--primary-gradient);
  border-radius: 50%;
  opacity: 0.1;
  animation: pulse 4s ease-in-out infinite;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  position: relative;
  z-index: 2;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-item {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(25px);
  padding: 35px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

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

.contact-item:hover::before {
  width: 6px;
}

.contact-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-md);
  transition: var(--transition-bounce);
  flex-shrink: 0;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.contact-details h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-details p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
}

.contact-form {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(25px);
  padding: 50px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
}

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

.contact-form h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-group {
  margin-bottom: 25px;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(102, 126, 234, 0.15);
  border-radius: var(--border-radius);
  padding: 18px 25px;
  font-size: 1rem;
  font-family: "Poppins", sans-serif;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 1);
}

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

.contact-form .btn {
  width: 100%;
  padding: 18px 30px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 10px;
  position: relative;
  overflow: hidden;
}

.contact-form .btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: var(--transition-slow);
}

.contact-form .btn:hover::after {
  width: 300px;
  height: 300px;
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #4a5568 100%);
  color: white;
  position: relative;
  overflow: hidden;
  padding: 80px 0 30px;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-pattern)"/></svg>');
  opacity: 0.3;
  animation: float 40s ease-in-out infinite;
}

footer::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: var(--primary-gradient);
  border-radius: 50%;
  opacity: 0.1;
  animation: pulse 6s ease-in-out infinite;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  position: relative;
  z-index: 2;
  margin-bottom: 50px;
  align-items: start;
}

.footer-logo h3 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
}

.footer-links h3,
.footer-social h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: white;
  position: relative;
}

.footer-links h3::after,
.footer-social h3::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: var(--transition-normal);
  position: relative;
  padding-left: 20px;
}

.footer-links a::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  transition: var(--transition-normal);
}

.footer-links a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-links a:hover::before {
  transform: translateX(3px);
}

.footer-social .social-icons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.footer-social .social-icons a {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.footer-social .social-icons a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition-normal);
}

.footer-social .social-icons a:hover::before {
  opacity: 1;
}

.footer-social .social-icons a:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.footer-social .social-icons a i {
  position: relative;
  z-index: 2;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  font-weight: 500;
}

.footer-bottom p::before {
  content: "";
  margin-right: 8px;
}

/* ===== LOADING ANIMATIONS ===== */
@keyframes page-load {
  0% {
    opacity: 0;
    transform: translateY(50px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.page-loading {
  animation: page-load 1s ease-out;
}

/* ===== SCROLL TRIGGERED ANIMATIONS ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease-out;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease-out;
}

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

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

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

/* ===== PARALLAX EFFECTS ===== */
.parallax-slow {
  transform: translateY(var(--scroll, 0));
  transition: transform 0.1s ease-out;
}

.parallax-fast {
  transform: translateY(calc(var(--scroll, 0) * -0.5));
  transition: transform 0.1s ease-out;
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
}

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

.scroll-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* ===== PARTICLE EFFECTS ===== */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
  opacity: 0.6;
}

.particle:nth-child(odd) {
  animation-delay: -2s;
  animation-duration: 8s;
}

.particle:nth-child(even) {
  animation-delay: -4s;
  animation-duration: 10s;
}

/* ===== CERTIFICATES PAGE STYLING ===== */
.certificates-page {
  padding: 120px 0 80px;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(118, 75, 162, 0.05) 50%,
    rgba(79, 172, 254, 0.05) 100%
  );
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.certificates-page::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="cert-bg" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="2" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23cert-bg)"/></svg>');
  opacity: 0.4;
  animation: float 25s ease-in-out infinite;
}

.certificates-page::after {
  content: "";
  position: absolute;
  top: 15%;
  right: 5%;
  width: 250px;
  height: 250px;
  background: var(--aurora-gradient);
  border-radius: 50%;
  opacity: 0.08;
  animation: morph 20s ease-in-out infinite, pulse 5s ease-in-out infinite;
  filter: blur(50px);
}

.section-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-top: 20px;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.certificates-content {
  position: relative;
  z-index: 2;
}

.certificate-category {
  margin-bottom: 80px;
  animation: fadeInUp 1s ease-out;
}

.certificate-category h3 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 40px;
  text-align: center;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.certificate-category h3::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.certificates-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.certificate-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(25px);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
  transition: var(--transition-elastic);
  position: relative;
  animation: fadeInUp 1s ease-out;
}

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

.certificate-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.certificate-card-header {
  padding: 35px 30px 25px;
  display: flex;
  align-items: center;
  gap: 25px;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(118, 75, 162, 0.05) 100%
  );
  position: relative;
}

.certificate-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.certificate-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition-normal);
}

.certificate-card:hover .certificate-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.certificate-card:hover .certificate-icon::before {
  opacity: 1;
}

.certificate-card-header h4 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.certificate-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
  filter: grayscale(20%);
}

.certificate-card:hover .certificate-image img {
  transform: scale(1.1);
  filter: grayscale(0%);
}

.certificate-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
}

.certificate-card:hover .certificate-image::after {
  opacity: 1;
}

.certificate-card-body {
  padding: 30px;
}

.certificate-issuer {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.certificate-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.certificate-details {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.certificate-details li {
  padding: 8px 0;
  color: var(--text-muted);
  position: relative;
  padding-left: 25px;
  font-size: 0.95rem;
}

.certificate-details li::before {
  content: "";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
  font-size: 1.1rem;
}

.certificate-date {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 10px 15px;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 20px;
  display: inline-block;
  border-left: 4px solid var(--primary-color);
}

/* ===== CERTIFICATE CARD ANIMATIONS ===== */
.certificate-card:nth-child(1) {
  animation-delay: 0.1s;
}
.certificate-card:nth-child(2) {
  animation-delay: 0.2s;
}
.certificate-card:nth-child(3) {
  animation-delay: 0.3s;
}
.certificate-card:nth-child(4) {
  animation-delay: 0.4s;
}
.certificate-card:nth-child(5) {
  animation-delay: 0.5s;
}
.certificate-card:nth-child(6) {
  animation-delay: 0.6s;
}
.certificate-card:nth-child(7) {
  animation-delay: 0.7s;
}
.certificate-card:nth-child(8) {
  animation-delay: 0.8s;
}
.certificate-card:nth-child(9) {
  animation-delay: 0.9s;
}

/* ===== RESPONSIVE CERTIFICATES ===== */
@media (max-width: 768px) {
  .certificates-page {
    padding: 100px 0 60px;
  }

  .certificates-cards {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .certificate-card-header {
    padding: 30px 20px 20px;
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .certificate-card-body {
    padding: 25px 20px;
  }

  .certificate-category h3 {
    font-size: 1.8rem;
  }

  .certificate-icon {
    width: 60px;
    height: 60px;
    font-size: 1.6rem;
  }
}

@media (max-width: 576px) {
  .certificates-page {
    padding: 80px 0 40px;
  }

  .certificate-card {
    margin: 0 10px;
  }

  .certificate-image {
    height: 150px;
  }

  .certificate-card-header h4 {
    font-size: 1.2rem;
  }

  .certificate-icon {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .hero h2 {
    font-size: 1.6rem;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }

  .container {
    width: 95%;
  }
}

@media (max-width: 992px) {
  section {
    padding: 80px 0;
  }

  .hero {
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 50px;
    max-width: 100%;
  }

  .hero-image {
    order: -1;
    margin-bottom: 40px;
  }

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

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-social .social-icons {
    justify-content: center;
  }

  .skills-overview {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }

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

  .logo a {
    font-size: 1.5rem;
  }

  .nav-links li {
    margin: 0 0 20px 0;
  }

  .skills-overview {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero h2 {
    font-size: 1.4rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.85rem;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

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

  .certificate-item {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    padding: 25px 20px;
  }

  .certificates .certificate-icon {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
  }

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

  .certificates .certificate-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .career-overview .section-header h2 {
    font-size: 2rem;
  }

  .career-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .career-card-header {
    padding: 20px 20px 15px;
    gap: 15px;
  }

  .career-icon {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }

  .career-card-header h3 {
    font-size: 1.2rem;
  }

  .career-content {
    padding: 0 20px 20px;
  }

  .career-content li {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .logo a {
    font-size: 1.4rem;
  }

  .nav-links a {
    font-size: 0.9rem;
    padding: 5px 10px;
  }

  .contact {
    padding: 60px 0;
  }

  .contact-form {
    padding: 30px 20px;
  }

  .contact-item {
    padding: 25px 20px;
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }

  .contact-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .footer {
    padding: 60px 0 20px;
  }

  .footer-logo h3 {
    font-size: 1.8rem;
  }

  .footer-social .social-icons {
    justify-content: center;
    gap: 15px;
  }

  .footer-social .social-icons a {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }

  .hero-buttons .btn {
    margin-right: 10px;
    margin-bottom: 10px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background-color: #007bff;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

.back-to-top:hover {
  background-color: #0056b3;
  transform: translateY(-3px);
}

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

/* Optional smooth fade-in animation */
.back-to-top i {
  pointer-events: none; /* Prevent icon from blocking clicks */
}