/* CSS Variables - Matching your Dream Visual theme */
:root {
  --primary-gradient: linear-gradient(
    135deg,
    #3d52af 0%,
    #913a99 50%,
    #c274ca 100%
  );
  --secondary-gradient: linear-gradient(135deg, #3d52af 0%, #913a99 100%);
  --accent-color: #9da9dd;
  --text-dark: #1a1a2e;
  --text-light: #6b7280;
  --white: #ffffff;
  --bg-light: #f8fafc;
  --border-radius: 50px;
  --card-radius: 20px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

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

/* Simple Navigation - Logo + Home Icon Only */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: var(--white);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.brand-bold {
  color: var(--text-dark);
}

.brand-light {
  color: var(--accent-color);
  font-weight: 300;
  letter-spacing: 2px;
}

.home-icon {
  color: var(--text-dark);
  font-size: 1.5rem;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
}

.home-icon:hover {
  color: var(--accent-color);
  background: rgba(102, 126, 234, 0.1);
}

/* Projects Header */
.projects-header {
  margin-top: 80px;
  padding: 4rem 0;
  background: var(--primary-gradient);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.projects-header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-30px, -30px) rotate(180deg);
  }
}

.page-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
}

/* Filter Buttons */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--white);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--white);
  color: var(--accent-color);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Projects Grid */
.projects-grid-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

/* Project Card States */
.project-card {
  background: var(--white);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  cursor: pointer;
}

.project-card.visible {
  display: block;
}

.project-card.hidden {
  display: none;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Image height set to 18rem - no overlay animation */
.project-image {
  position: relative;
  height: 18rem;
  overflow: hidden;
}

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

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

.project-info {
  padding: 1.5rem;
}

.project-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary-gradient);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.project-description {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

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

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

.load-more-container {
  text-align: center;
  margin-top: 3rem;
}

/* CTA Section */
.cta-section {
  padding: 5rem 0;
  background: var(--secondary-gradient);
  text-align: center;
  color: var(--white);
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #5c1b5c 0%, #020617 100%);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-bold,
.footer-brand .brand-light {
  font-size: 1.5rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 968px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

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

@media (max-width: 768px) {
  .page-title {
    font-size: 2rem;
  }

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

  .filter-container {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

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

@media (max-width: 480px) {
  .projects-header {
    margin-top: 60px;
    padding: 3rem 0;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .cta-section h2 {
    font-size: 1.75rem;
  }

  .project-image {
    height: 15rem;
  }
}