/* Portfolio Page Styles */
:root {
  --ast-global-color-0: #060097;
  --ast-global-color-1: #c10fff;
  --ast-global-color-2: #1e293b;
  --ast-global-color-3: #67768e;
  --ast-global-color-4: #f9f6fe;
  --ast-global-color-5: #ffffff;
  --ast-global-color-6: #f2f5f7;
  --ast-global-color-7: #ffcd57;
  --ast-global-color-8: #000000;
}

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

body {
  font-family: "Inter", sans-serif;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-4) 0%,
    #ffffff 50%,
    var(--ast-global-color-6) 100%
  );
  min-height: 100vh;
  color: var(--ast-global-color-2);
  line-height: 1.6;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  backdrop-filter: none;
  padding: 0 2rem;
  min-height: 110px;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(6, 0, 151, 0.95);
  backdrop-filter: blur(10px);
  min-height: 80px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-logo {
  width: 250px;
  max-width: 100%;
  color: var(--ast-global-color-5);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  opacity: 1;
  visibility: visible;
}

.navbar.scrolled .nav-logo {
  opacity: 1;
  visibility: visible;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(242, 245, 247, 0.76);
  text-decoration: none;
  font-family: inherit;
  font-weight: inherit;
  font-size: 1rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--ast-global-color-7);
}

/* Social Links */
.nav-social {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-left: 2rem;
}

.nav-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ast-global-color-4);
  transition: all 0.3s ease;
}

.nav-social a:hover {
  color: var(--ast-global-color-4);
  transform: scale(1.1);
}

.nav-social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

@media (max-width: 900px) {
  .nav-social {
    display: none;
  }
}

/* Hero Section */
.hero {
  padding: 180px 2rem 100px;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0) 0%,
    var(--ast-global-color-1) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--ast-global-color-5);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

/* Portfolio Grid */
.portfolio-section {
  padding: 80px 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

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

.section-header h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--ast-global-color-2);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--ast-global-color-3);
  font-size: 1.1rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
}

/* Portfolio Card */
.portfolio-card {
  background: var(--ast-global-color-5);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(6, 0, 151, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 60px rgba(6, 0, 151, 0.15);
}

.portfolio-card:nth-child(even) {
  transform: translateY(30px);
}

.portfolio-card:nth-child(even):hover {
  transform: translateY(20px);
}

.card-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

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

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

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(6, 0, 151, 0.8) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.portfolio-card:hover .card-overlay {
  opacity: 1;
}

.card-category {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--ast-global-color-7);
  color: var(--ast-global-color-2);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-content {
  padding: 30px;
}

.card-content h3 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ast-global-color-2);
  margin-bottom: 15px;
}

.card-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card-features li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--ast-global-color-3);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.card-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0),
    var(--ast-global-color-1)
  );
  border-radius: 50%;
  transition: all 0.3s ease;
}

.card-features li::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 4px;
  height: 4px;
  background: var(--ast-global-color-7);
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
}

.portfolio-card:hover .card-features li::after {
  opacity: 1;
}

.portfolio-card:hover .card-features li {
  padding-left: 32px;
  color: var(--ast-global-color-2);
}

.card-footer {
  padding: 0 30px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-date {
  color: var(--ast-global-color-3);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-date svg {
  width: 16px;
  height: 16px;
  fill: var(--ast-global-color-1);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ast-global-color-0);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.card-link:hover {
  color: var(--ast-global-color-1);
  gap: 12px;
}

.card-link svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.card-link:hover svg {
  transform: translateX(4px);
}

.portfolio-card.featured {
  grid-column: span 2;
}

.portfolio-card.featured .card-image {
  height: 350px;
}

/* Footer */
.footer {
  background: var(--ast-global-color-2);
  color: var(--ast-global-color-5);
  text-align: center;
  padding: 40px 2rem;
  margin-top: 80px;
}

.footer p {
  opacity: 0.8;
}

.footer a {
  color: var(--ast-global-color-7);
  text-decoration: none;
}

/* Responsive */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-card.featured {
    grid-column: span 1;
  }

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

  .nav-links {
    display: none;
  }
}

@media (max-width: 500px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}

/* Animation on Scroll */
.portfolio-card {
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 0.6s ease forwards;
}

.portfolio-card:nth-child(1) {
  animation-delay: 0.1s;
}
.portfolio-card:nth-child(2) {
  animation-delay: 0.2s;
}
.portfolio-card:nth-child(3) {
  animation-delay: 0.3s;
}
.portfolio-card:nth-child(4) {
  animation-delay: 0.4s;
}
.portfolio-card:nth-child(5) {
  animation-delay: 0.5s;
}
.portfolio-card:nth-child(6) {
  animation-delay: 0.6s;
}
.portfolio-card:nth-child(7) {
  animation-delay: 0.7s;
}
.portfolio-card:nth-child(8) {
  animation-delay: 0.8s;
}
.portfolio-card:nth-child(9) {
  animation-delay: 0.9s;
}
.portfolio-card:nth-child(10) {
  animation-delay: 1s;
}

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

.portfolio-card:nth-child(even) {
  animation: fadeInUpOffset 0.6s ease forwards;
}

@keyframes fadeInUpOffset {
  to {
    opacity: 1;
    transform: translateY(30px);
  }
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--ast-global-color-5);
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 900px) {
  .mobile-menu-toggle {
    display: block;
  }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 0, 151, 0.98);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--ast-global-color-5);
  cursor: pointer;
  padding: 8px;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  text-align: center;
}

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

.mobile-nav-links a {
  color: var(--ast-global-color-5);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--ast-global-color-7);
}

.nav-links a.active {
  color: var(--ast-global-color-7);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--ast-global-color-5);
  border-radius: 24px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(50px) scale(0.9);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--ast-global-color-5);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 10;
  transition: all 0.3s ease;
}

.modal-close:hover {
  transform: rotate(90deg);
  background: var(--ast-global-color-7);
}

.modal-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 24px 24px 0 0;
}

.modal-gallery {
  padding: 24px 24px 0;
}

.modal-gallery .modal-image {
  border-radius: 20px;
  height: 360px;
}

.modal-thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.modal-thumb {
  border: 2px solid transparent;
  border-radius: 14px;
  padding: 0;
  background: transparent;
  cursor: pointer;
  flex: 0 0 auto;
  width: 88px;
  height: 64px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.modal-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-thumb:hover {
  transform: translateY(-2px);
}

.modal-thumb.active {
  border-color: var(--ast-global-color-1);
  opacity: 1;
}

.modal-thumb:not(.active) {
  opacity: 0.75;
}

.modal-body {
  padding: 40px;
}

.modal-category {
  display: inline-block;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0),
    var(--ast-global-color-1)
  );
  color: var(--ast-global-color-5);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.modal-title {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ast-global-color-2);
  margin-bottom: 15px;
}

.modal-date {
  color: var(--ast-global-color-3);
  font-size: 0.9rem;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-date svg {
  width: 18px;
  height: 18px;
  fill: var(--ast-global-color-1);
}

.modal-description {
  color: var(--ast-global-color-3);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.modal-features-title {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ast-global-color-2);
  margin-bottom: 15px;
}

.modal-features {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
}

.modal-features li {
  position: relative;
  padding-left: 35px;
  margin-bottom: 15px;
  color: var(--ast-global-color-3);
  font-size: 1rem;
  line-height: 1.6;
}

.modal-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0),
    var(--ast-global-color-1)
  );
  border-radius: 50%;
  color: white;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.modal-tech-tag {
  background: var(--ast-global-color-6);
  color: var(--ast-global-color-2);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

.modal-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0),
    var(--ast-global-color-1)
  );
  color: var(--ast-global-color-5);
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.modal-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(6, 0, 151, 0.3);
}

@media (max-width: 600px) {
  .modal-content {
    border-radius: 16px;
  }

  .modal-image {
    height: 200px;
    border-radius: 16px 16px 0 0;
  }

  .modal-gallery {
    padding: 16px 16px 0;
  }

  .modal-gallery .modal-image {
    height: 220px;
    border-radius: 14px;
  }

  .modal-thumb {
    width: 72px;
    height: 52px;
  }

  .modal-body {
    padding: 25px;
  }

  .modal-title {
    font-size: 1.5rem;
  }
}

/* Portfolio-specific utility classes */
.mobile-social {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}

.mobile-social a {
  color: var(--ast-global-color-5);
}

.portfolio-contact {
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--ast-global-color-0),
    var(--ast-global-color-1)
  );
  border-radius: 32px;
  margin: 0 2rem;
  padding: 80px 40px;
}

.portfolio-contact-title {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 2.5rem;
  color: white;
  margin-bottom: 1rem;
}

.portfolio-contact-desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-contact-btn {
  display: inline-block;
  background: var(--ast-global-color-7);
  color: var(--ast-global-color-2);
  padding: 18px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.portfolio-error {
  text-align: center;
  color: var(--ast-global-color-3);
}