/* Base Styles */
:root {
  --primary: #4f46e5; /* Indigo */
  --secondary: #7c3aed; /* Purple */
  --accent: #06b6d4; /* Teal */
  --dark: #0f172a; /* Dark blue */
  --darker: #020617; /* Deep navy */
  --light: #f8fafc; /* Off-white */
  --gray: #94a3b8; /* Light gray */
  --dark-gray: #334155; /* Dark gray */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: white;
  color: black;
  transition: all 0.3s ease;
}

/* Dark mode */
body.dark-mode {
  background: linear-gradient(135deg, var(--darker), var(--dark));
  color: var(--light);
}

/* Theme toggle button */
.theme-toggle {
  position: relative;
}

.theme-toggle i {
  position: absolute;
  transition: all 0.3s ease;
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: scale(0);
}

.dark-mode .theme-toggle .fa-moon {
  opacity: 0;
  transform: scale(0);
}

.dark-mode .theme-toggle .fa-sun {
  opacity: 1;
  transform: scale(1);
}

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

.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  font-size: 2.5rem;
  position: relative;
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  border-radius: 2px;
}

.highlight {
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Header */
header {
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  position: fixed;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--light);
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: var(--light);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  transition: width 0.3s;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  color: var(--light);
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--light);
}

.theme-toggle i {
  position: absolute;
  transition: all 0.3s ease;
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: rotate(90deg);
}

/* Hero Section */
#hero {
  padding: 180px 0 100px;
  text-align: center;
  background: radial-gradient(
    circle at center,
    rgba(79, 70, 229, 0.1) 0%,
    rgba(15, 23, 42, 0) 70%
  );
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.3rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(to right, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn.primary:hover {
  background: linear-gradient(to right, var(--secondary), var(--primary));
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

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

.btn.secondary:hover {
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-3px);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-content h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--light);
}

.about-content p {
  margin-bottom: 30px;
  color: var(--gray);
  font-size: 1.1rem;
  line-height: 1.8;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-card:hover {
  transform: translateY(-5px);
  background: rgba(79, 70, 229, 0.1);
  border-color: var(--primary);
}

.info-card i {
  font-size: 1.5rem;
  color: var(--primary);
}

.info-card h4 {
  color: var(--light);
  margin-bottom: 5px;
}

.info-card p {
  color: var(--gray);
  margin: 0;
  font-size: 0.9rem;
}

.about-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s;
}

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

/* Skills Section */
.skills-container {
  max-width: 800px;
  margin: 0 auto;
}

.skill-item {
  margin-bottom: 25px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.skill-info span:first-child {
  color: var(--light);
  font-weight: 500;
}

/* .skill-info span:last-child {
  color: var(--accent);
} */

.skill-bar {
  height: 10px;
  background: rgba(30, 41, 59, 0.8);
  border-radius: 5px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  border-radius: 5px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  width: 0;
  transition: width 1.5s ease-out;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  border-color: var(--primary);
}

.project-img-container {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.project-card:hover .project-img {
  transform: scale(1.1);
}

.project-links {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  gap: 15px;
  opacity: 0;
  transition: opacity 0.3s;
}

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

.demo-btn,
.code-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s;
}

.demo-btn {
  background: linear-gradient(to right, var(--primary), var(--secondary));
  color: white;
}

.demo-btn:hover {
  background: linear-gradient(to right, var(--secondary), var(--primary));
}

.code-btn {
  background: rgba(30, 41, 59, 0.8);
  color: var(--light);
  border: 1px solid var(--primary);
}

.code-btn:hover {
  background: rgba(79, 70, 229, 0.2);
}

.project-content {
  padding: 25px;
}

.project-content h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--light);
}

.project-content p {
  color: var(--gray);
  margin-bottom: 15px;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tech-tag {
  padding: 5px 15px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.tech-ico{
  height: 30px;
}

.tech-ico-hold{
  display: flex;
  gap: 10px;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.tech-tag.css {
  background: rgba(97, 218, 251, 0.1);
  color: #3884f7;
  border: 1px solid #3884f7;
}

.tech-tag.pg {
  background: rgba(97, 218, 251, 0.1);
  color: #69a4fd;
  border: 1px solid #69a4fd;
}

.tech-tag.react {
  background: rgba(97, 218, 251, 0.1);
  color: #61dafb;
  border: 1px solid #61dafb;
}

.tech-tag.node {
  background: rgba(104, 160, 99, 0.1);
  color: #68a063;
  border: 1px solid #68a063;
}

.tech-tag.mongo {
  background: rgba(77, 194, 116, 0.1);
  color: #4dc274;
  border: 1px solid #4dc274;
}

.tech-tag.api {
  background: rgba(171, 104, 255, 0.1);
  color: #ab68ff;
  border: 1px solid #ab68ff;
}

.tech-tag.js {
  background: rgba(247, 223, 30, 0.1);
  color: #f7df1e;
  border: 1px solid #f7df1e;
}

.tech-tag.firebase {
  background: rgba(255, 167, 38, 0.1);
  color: #ffa726;
  border: 1px solid #ffa726;
}

.tech-tag.html {
  background: rgba(255, 86, 48, 0.1);
  color: #ff5630;
  border: 1px solid #ff5630;
}

.tech-tag.chart {
  background: rgba(255, 99, 132, 0.1);
  color: #ff6384;
  border: 1px solid #ff6384;
}

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

.certificate-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.certificate-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  border-color: var(--primary);
}

.certificate-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.certificate-card h3 {
  padding: 20px 20px 10px;
  color: var(--light);
}

.certificate-card p {
  padding: 0 20px 20px;
  color: var(--gray);
  font-size: 0.9rem;
}

/* GitHub Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.stat-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-card:hover {
  transform: translateY(-10px);
  background: rgba(79, 70, 229, 0.1);
  border-color: var(--primary);
}

.stat-card i {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.stat-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--light);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.github-calendar {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 15px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.github-calendar img {
  width: 100%;
  height: auto;
}

/* Client Reviews */
.reviews-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.review-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 15px;
  padding: 30px;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.review-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  border-color: var(--primary);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.review-header img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.review-header h4 {
  color: var(--light);
  margin-bottom: 5px;
}

.review-header p {
  color: var(--gray);
  font-size: 0.9rem;
}

.review-content p {
  color: var(--gray);
  margin-bottom: 15px;
  line-height: 1.6;
  font-style: italic;
}

.stars {
  color: var(--accent);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--light);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-item i {
  font-size: 1.2rem;
  color: var(--primary);
  width: 40px;
  height: 40px;
  background: rgba(79, 70, 229, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item span {
  color: var(--gray);
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  color: var(--gray);
  font-size: 1.5rem;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--primary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 20px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--light);
  transition: all 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.contact-form textarea {
  height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--darker);
  padding: 50px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  text-align: center;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.footer-content p {
  color: var(--gray);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--primary);
}

.copyright {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .hero-btns {
    flex-direction: column;
    gap: 15px;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 576px) {
  .projects-grid,
  .certificates-grid,
  .reviews-container {
    grid-template-columns: 1fr;
  }

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