:root {
  --accent-color: #9f7aea; /* Vibrant Purple Accent */
  --accent-color-2: #38b2ac; /* Vibrant Teal Accent */
  --font-family: "Space Grotesk", sans-serif;

  /* Light Theme */
  --bg-color: #e8d9ff;
  --text-color: #212529;
  --muted-color: #6c757d;
  --border-color: #dee2e6;
  --card-bg: #ffffff;
  --navbar-bg: rgba(244, 240, 250, 0.85);
  --form-bg: #ffffff;
  --form-text: #212529;
  --about-bg: var(--bg-color);
  --projects-bg: var(--bg-color);
  --contact-bg: #ffffff;
  --btn-light-bg: var(--bg-color);
  --btn-light-text: var(--text-color);
  --tech-stack-span-bg: #eee;
  --tech-stack-span-text: #212529;
  --shadow-color: rgba(0, 0, 0, 0.15);
}

body.dark-mode {
  /* Dark Theme */
  --bg-color: #101010;
  --text-color: #f5f5f5;
  --muted-color: #a0a0a0;
  --border-color: #333;
  --card-bg: #1a1a1a;
  --navbar-bg: rgba(16, 16, 16, 0.7);
  --form-bg: #222;
  --form-text: #fff;
  --about-bg:
    linear-gradient(rgba(16, 16, 16, 0.95), rgba(16, 16, 16, 0.95)),
    url("https://www.toptal.com/designers/subtlepatterns/uploads/motif-dark.png");
  --projects-bg:
    linear-gradient(rgba(16, 16, 16, 0.98), rgba(16, 16, 16, 0.98)),
    url("https://www.toptal.com/designers/subtlepatterns/uploads/dark-denim-3.png");
  --contact-bg: #1a1a1a;
  --btn-light-bg: var(--bg-color);
  --btn-light-text: var(--text-color);
  --tech-stack-span-bg: #222;
  --tech-stack-span-text: #eee;
  --shadow-color: rgba(0, 0, 0, 0.5);
}

/* Preloader Styles */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  transition:
    opacity 0.8s ease-out,
    visibility 0.8s ease-out;
  visibility: visible;
  opacity: 1;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  font-size: 5rem;
  font-weight: 900;
  animation: pulse-logo 1.8s infinite ease-in-out;
  display: flex;
  letter-spacing: -5px;
}

.loader-logo .char-outline {
  -webkit-text-stroke: 2px var(--accent-color);
  color: transparent;
}

.loader-logo .char-solid {
  color: var(--accent-color);
}

@keyframes pulse-logo {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-family);
  line-height: 1.7;
  letter-spacing: 0.5px;
}

p.text-muted {
  color: var(--muted-color) !important;
  line-height: 1.8;
}

.navbar {
  background-color: var(--navbar-bg);
  backdrop-filter: blur(10px);
}

/* Light mode specific navbar overrides */
body:not(.dark-mode) .navbar-dark .nav-link,
body:not(.dark-mode) .navbar-dark .navbar-brand {
  color: var(--text-color);
}

body:not(.dark-mode) .navbar-dark .nav-link:focus,
body:not(.dark-mode) .navbar-dark .nav-link:hover,
body:not(.dark-mode) .navbar-dark .navbar-brand:focus,
body:not(.dark-mode) .navbar-dark .navbar-brand:hover {
  color: var(--accent-color);
}

body:not(.dark-mode) .navbar-dark .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(33, 37, 41, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-brand {
  font-weight: 700;
}

.main-content {
  margin-top: 56px; /* Offset for fixed navbar */
}

.hero-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--bg-color);
  color: var(--text-color);
  overflow: hidden; /* To contain the animated text */
  position: relative; /* For Vanta.js canvas positioning */
}

body:not(.dark-mode) .hero-section {
  background-color: var(--accent-color);
  color: #fff;
}

body:not(.dark-mode) .hero-section .hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-text {
  overflow: hidden;
}

.hero-content-wrapper {
  padding-top: 10vh;
}

.main-hero-title {
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%); /* For animation */
}

.main-hero-title .char {
  display: inline-block;
}

.hero-name {
  color: var(--accent-color);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--muted-color);
}

.section-title {
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent-color),
    var(--accent-color-2)
  );
}

.text-center .section-title::after {
  left: 25%;
}

.section-title i {
  color: var(--accent-color);
  transition: transform 0.3s ease-out;
}

.section-title:hover i {
  transform: rotate(-15deg) scale(1.1);
}

#about h3 i {
  color: var(--accent-color-2);
}

#intro {
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  border-color: var(--accent-color);
}

.marquee-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  white-space: nowrap;
}

.marquee-content {
  display: inline-block;
  animation: marquee 20s linear infinite;
}

.marquee-content span {
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 20px;
}

.star-divider {
  color: var(--accent-color);
}

@keyframes marquee {
  from {
    transform: translateX(0%);
  }
  to {
    transform: translateX(-50%);
  }
}

#about,
#projects,
#contact,
#why-me,
#tech-stack,
#skills {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
}

#about {
  background-image: var(--about-bg);
}

#about h3 i {
  color: var(--accent-color-2);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-stack span {
  background-color: var(--tech-stack-span-bg);
  color: var(--tech-stack-span-text);
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tech-stack span:hover {
  background-color: var(--accent-color);
  color: var(--text-color);
  transform: translateY(-5px);
}

.project-card-container {
  perspective: 1000px;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  background: var(--card-bg);
  border: 1px solid transparent;
  transition: all 0.4s ease;
  transform-style: preserve-3d;
}

.project-card:hover {
  border-color: var(--accent-color);
  transform: rotateY(10deg) rotateX(5deg) scale(1.05);
  box-shadow: 0 25px 50px var(--shadow-color);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
  filter: blur(5px);
}

.project-card:hover img {
  transform: scale(1.1);
  filter: blur(0);
}

.project-info {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  transform: translateZ(50px);
}

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

.project-info h3 {
  font-weight: bold;
}

.project-info .btn {
  margin-top: 1rem;
  border-width: 2px;
}

.project-info .btn:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

#contact {
  background-color: var(--contact-bg);
}

#contact .form-control {
  background-color: var(--form-bg);
  color: var(--form-text);
  border: 1px solid var(--border-color);
  padding: 15px;
  border-radius: 8px;
}

#contact .form-control:focus {
  background-color: var(--form-bg);
  color: var(--form-text);
  border-color: var(--accent-color);
  box-shadow: none;
}

#contact .form-control::placeholder {
  color: var(--muted-color);
}

#contact .btn-light {
  background-color: var(--btn-light-bg);
  color: var(--btn-light-text);
  border: 2px solid var(--btn-light-text);
  transition: all 0.3s ease;
}

#contact .btn-light:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-color);
}

footer {
  background-color: var(--card-bg);
  color: var(--muted-color);
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
}

footer a:hover,
.nav-link:hover {
  color: var(--accent-color) !important;
  transition: color 0.3s ease;
}

footer .nav-link {
  color: var(--muted-color);
  font-size: 1rem;
  font-weight: 500;
}

footer .social-icon {
  display: inline-block;
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  margin: 0 10px;
  transition: all 0.3s ease;
}

footer .social-icon:hover {
  background-color: transparent;
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-5px);
}

.why-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 15px;
  height: 100%;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.why-card:hover {
  transform: translateY(-10px);
  border-color: transparent;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color-2),
    transparent
  );
}

.why-card .icon-wrapper {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 15px;
  transition: all 0.3s ease;
}

.why-card:hover .icon-wrapper {
  color: var(--text-color);
  transform: scale(1.1);
}

.why-card h4 {
  margin-bottom: 15px;
  font-weight: bold;
}

#tech-stack {
  background-color: var(--bg-color);
}

.stack-category {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 15px;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.stack-category::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color-2),
    transparent
  );
  transition: left 0.5s ease;
}

.stack-category:hover::before {
  left: 100%;
}

.stack-category h5 {
  font-weight: bold;
  margin-bottom: 15px;
}

.hero-section .btn {
  padding: 12px 30px;
  font-weight: bold;
  border-radius: 50px;
  transition: all 0.3s ease;
  border-width: 2px;
}

.hero-section .btn-light {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.hero-section .btn-light:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

.hero-section .btn-outline-light {
  border-color: var(--text-color);
  color: var(--text-color);
}

.hero-section .btn-outline-light:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

#projects {
  background-image: var(--projects-bg);
}

#skills {
  background-color: var(--card-bg);
}

.skill-box h3 i {
  color: var(--accent-color-2);
}

/* Override buttons for light mode hero */
body:not(.dark-mode) .hero-section .btn-light {
  background-color: #fff;
  color: var(--accent-color);
  border-color: #fff;
}
body:not(.dark-mode) .hero-section .btn-light:hover {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

body:not(.dark-mode) .hero-section .btn-outline-light {
  border-color: #fff;
  color: #fff;
}

body:not(.dark-mode) .hero-section .btn-outline-light:hover {
  background-color: #fff;
  color: var(--accent-color);
}
/* Contact Action Buttons - Theme Consistent Styling */
.contact-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background-color: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 15px;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  font-family: var(--font-family);
}

.contact-action-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color-2),
    transparent
  );
  transition: left 0.5s ease;
  z-index: 1;
}

.contact-action-btn:hover::before {
  left: 100%;
}

.contact-action-btn:hover {
  transform: translateY(-10px) rotateY(5deg);
  border-color: var(--accent-color);
  box-shadow: 0 25px 50px var(--shadow-color);
}

.btn-icon-wrapper {
  position: relative;
  z-index: 2;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.btn-icon-wrapper i {
  font-size: 3rem;
  transition: all 0.3s ease;
}

.btn-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.btn-content h4 {
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 1.25rem;
  font-family: var(--font-family);
}

.btn-content p {
  margin: 0;
  color: var(--muted-color);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-family);
}

/* Individual button color schemes */
.whatsapp-btn .btn-icon-wrapper i {
  color: #25d366;
}

.whatsapp-btn:hover .btn-icon-wrapper i {
  color: var(--text-color);
  transform: scale(1.1);
}

.email-btn .btn-icon-wrapper i {
  color: var(--accent-color);
}

.email-btn:hover .btn-icon-wrapper i {
  color: var(--text-color);
  transform: scale(1.1);
}

.call-btn .btn-icon-wrapper i {
  color: var(--accent-color-2);
}

.call-btn:hover .btn-icon-wrapper i {
  color: var(--text-color);
  transform: scale(1.1);
}

/* Hover effects for button content */
.contact-action-btn:hover .btn-content h4 {
  color: var(--text-color);
}

.contact-action-btn:hover .btn-content p {
  color: rgba(255, 255, 255, 0.8);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .contact-action-btn {
    padding: 30px 15px;
  }
  
  .btn-icon-wrapper i {
    font-size: 2.5rem;
  }
  
  .btn-content h4 {
    font-size: 1.1rem;
  }
}