:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #8b5cf6;
  --accent: #10b981;
  --dark: #1f2937;
  --light: #f8fafc;
  --gray: #64748b;
  --glass: rgba(255, 255, 255, 0.1);
  --glass-dark: rgba(255, 255, 255, 0.05);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  overflow-x: hidden;
}

.code-text {
  font-family: "JetBrains Mono", monospace;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Geometric Background Elements */
.geometric-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.1;
  pointer-events: none;
}

.shape-1 {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: float-1 15s ease-in-out infinite;
}

.shape-2 {
  position: absolute;
  bottom: 15%;
  left: 8%;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: float-2 12s ease-in-out infinite;
}

.shape-3 {
  position: absolute;
  top: 60%;
  right: 25%;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: float-3 18s ease-in-out infinite;
}

/* Unique Navigation Bar */
header {
  position: fixed;
  top: 0;
  /* always sticks to the top when scrolling */
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  z-index: 1000;
  box-shadow: var(--shadow);
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.logo::before {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.logo:hover::before {
  transform: scaleX(1);
}

.logo i {
  color: var(--secondary);
  animation: pulse 2s infinite;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
  font-size: 1rem;
}

.nav-links a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

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

.nav-indicator {
  position: absolute;
  bottom: -10px;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: all 0.3s ease;
  z-index: 1001;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 50px;
  position: relative;
}

.hero-content {
  max-width: 650px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1rem;
  animation: slideInUp 0.8s ease-out;
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  animation: slideInLeft 1s ease-out;
}

.gradient-text {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary),
    var(--accent)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.3rem;
  color: var(--gray);
  margin-bottom: 2.5rem;
  line-height: 1.8;
  animation: slideInLeft 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  animation: slideInLeft 1s ease-out 0.4s both;
}

.btn {
  padding: 14px 35px;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.hero-decoration {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  height: 500px;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.1),
    rgba(139, 92, 246, 0.1)
  );
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 60%;
  animation: float-hero 8s ease-in-out infinite;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Sections */
section {
  padding: 100px 0;
  position: relative;
}

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

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

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

.about-text h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.about-text p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 1.1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

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

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.about-image::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.7;
}

/* Skills */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.skill-category {
  background: rgba(255, 255, 255, 0.9);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.skill-category:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.skill-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.skill-category h3 {
  font-size: 1.5rem;
  color: var(--dark);
  margin: 0;
}

.skill-item {
  margin-bottom: 1.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.skill-name {
  font-weight: 600;
  color: var(--dark);
}

.skill-percentage {
  color: var(--primary);
  font-weight: 600;
}

.skill-bar {
  height: 8px;
  background: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 10px;
  animation: fillBar 2s ease-in-out;
  transform-origin: left;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.project-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.project-content {
  padding: 2rem;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark);
}

.project-description {
  color: var(--gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

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

/* Contact Section - Simplified */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.contact-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 2rem;
}

.contact-card h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.contact-info {
  color: var(--gray);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.contact-action {
  margin-top: 1.5rem;
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 4rem 0 2rem;
  position: relative;
}

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

.footer-logo {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
}

.social-link {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* V-Architect View Demo btn Modal Background  */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  background-color: rgba(0, 0, 0, 0.6);
}

/* V-Architect View Demo btn Modal Box */
.modal-content {
  background: #fff;
  margin: auto;
  padding: 20px;
  border-radius: 12px;
  width: 95%; /* mobile-friendly */
  max-width: 900px; /* desktop max */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  animation: fadeIn 0.3s;
}

/* V-Architect View Demo btn Close Button */
.close {
  color: #333;
  float: right;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
}
.close:hover {
  color: #ff0000;
}

/* V-Architect View Demo btn Grid Layout */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

/* V-Architect View Demo btn img and video */
.demo-img,
.demo-video {
  width: 100%;
  border-radius: 8px;
}

/* Animations */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(60px);
  }

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

@keyframes float-1 {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

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

  50% {
    transform: translateY(15px) rotate(-5deg);
  }
}

@keyframes float-3 {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-10px) rotate(8deg);
  }
}

@keyframes float-hero {
  0%,
  100% {
    transform: translateY(-50%) rotate(0deg);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 60%;
  }

  50% {
    transform: translateY(-53%) rotate(5deg);
    border-radius: 50% 50% 60% 40% / 60% 40% 60% 40%;
  }
}

@keyframes fillBar {
  from {
    width: 0%;
  }

  to {
    width: var(--width);
  }
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3.2rem;
  }

  .hero-decoration {
    width: 40%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .btn {
    padding: 12px 25px;
  }

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

@media (max-width: 768px) {
  nav {
    flex-direction: row;
    /* keep logo + button side by side */
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    margin: 0;
    /* remove extra margin */
    padding: 0;
    /* remove padding that caused the empty space */
    font-size: 1.5rem;
    /* slightly smaller for mobile */
  }

  .mobile-menu-btn {
    margin-left: auto;
    /* push menu button to the right */
  }

  .nav-links {
    position: absolute;
    top: 100%;
    /* menu opens below navbar */
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
  }

  .nav-links.show {
    max-height: 500px;
    opacity: 1;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero-decoration {
    display: none;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

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

  header {
    width: 95%;
    top: 10px;
  }

  nav {
    padding: 1rem;
  }


}