/* ==========================================================================
   Design System & Theme Variables
   ========================================================================== */
:root {
  --bg-primary: #1a1a1a;
  --bg-surface: #1a1a1a;
  --bg-surface-hover: #222222;
  --color-gold: #e9a881;
  --color-gold-rgb: 233, 168, 129;
  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --border-color: rgba(233, 168, 129, 0.08);
  --border-color-hover: rgba(233, 168, 129, 0.25);
  --font-serif: 'Roboto', system-ui, -apple-system, sans-serif;
  --font-sans: 'Open Sans', system-ui, -apple-system, sans-serif;
  --font-subheading: 'Google Sans', 'Product Sans', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --shadow-gold-subtle: 0 10px 30px rgba(233, 168, 129, 0.04);
  --shadow-gold-heavy: 0 15px 40px rgba(0, 0, 0, 0.5), 0 0 50px rgba(233, 168, 129, 0.08);
}

/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #222;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--color-gold-rgb), 0.3);
}

/* ==========================================================================
   Navigation Bar (Floating Pill)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3.5rem;
  padding: 0.5rem 1.75rem 0.5rem 1.25rem;
  background: rgba(20, 20, 20, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition: var(--transition-smooth);
}

.navbar:hover {
  background: rgba(20, 20, 20, 0.65);
  border-color: rgba(var(--color-gold-rgb), 0.25);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(var(--color-gold-rgb), 0.05);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar .logo-img {
  height: 36px !important;
  max-height: 36px !important;
  width: auto !important;
  display: block !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: capitalize;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  position: relative;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 50%;
  background-color: var(--color-gold);
  transition: var(--transition-smooth);
  opacity: 0;
}

.nav-link.active::after {
  width: 4px;
  height: 4px;
  opacity: 1;
}

/* Burger Menu Mobile */
.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
  padding: 0.5rem;
}

.burger-menu span {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 5.5rem;
  padding-bottom: 2rem;
  width: 100%;
}

.hero-banner-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Projects & Articles Section
   ========================================================================== */
.projects-section {
  padding: 6rem 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.discreet-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 4rem;
}

.header-label {
  font-family: var(--font-subheading);
  font-size: 0.85rem;
  text-transform: lowercase;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  font-weight: 400;
  flex-shrink: 0;
}

.header-line {
  height: 1px;
  background-color: var(--border-color);
  flex-grow: 1;
}

/* Carousel Engine Layout */
.carousel-container {
  position: relative;
  width: 100%;
}

.carousel-track-wrapper {
  overflow: hidden;
  padding: 1.5rem 0.5rem;
  margin: -1.5rem -0.5rem;
}

.carousel-track {
  display: flex;
  gap: 2rem;
  cursor: grab;
  user-select: none;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.carousel-track:active {
  cursor: grabbing;
}

/* Card Styling */
.project-card {
  flex: 0 0 calc(50% - 1rem); /* 2 cards on desktop */
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-gold-subtle);
}

.card-badge {
  font-family: var(--font-subheading);
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(var(--color-gold-rgb), 0.12);
  color: var(--color-gold);
  border: 1px solid rgba(var(--color-gold-rgb), 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 10;
}

.card-image-wrapper {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .card-image {
  transform: scale(1.06);
}

.card-content {
  padding: 2rem;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.project-card:hover .card-title {
  color: var(--color-gold);
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.5;
  height: 2.7rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 1.25rem;
}

.explore-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-icon {
  font-size: 1rem;
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}

.project-card:hover .explore-text {
  color: var(--color-gold);
}

.project-card:hover .footer-icon {
  transform: translateX(6px);
  color: var(--color-gold);
}

/* Carousel Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}

.carousel-btn:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--bg-primary);
}

.btn-prev {
  left: -24px;
}

.btn-next {
  right: -24px;
}

.carousel-btn:disabled {
  opacity: 0;
  pointer-events: none;
}

/* Dots Indicator */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dot.active {
  background: var(--color-gold);
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(var(--color-gold-rgb), 0.4);
}

/* ==========================================================================
   Biography Section (Editorial Typography layout)
   ========================================================================== */
.biography-section {
  padding: 8rem 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.bio-layout {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.bio-main-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--color-gold);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.bio-subtitle {
  font-family: var(--font-subheading);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 3rem;
  letter-spacing: 0.02em;
}

.bio-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.bio-list-item {
  position: relative;
  padding-left: 2rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.bio-list-item::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: bold;
}

.bio-item-title {
  color: var(--text-primary);
  font-weight: 700;
  display: inline;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  padding: 8rem 0;
  background-color: var(--bg-primary);
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-gold-subtle);
}

.contact-info {
  padding: 4rem;
  background: linear-gradient(135deg, rgba(20, 20, 20, 1) 0%, rgba(10, 10, 10, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--border-color);
}

.contact-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.contact-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}

.detail-item i {
  width: 20px;
}

.contact-form {
  padding: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input, .form-group textarea {
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 10px rgba(var(--color-gold-rgb), 0.1);
}

.submit-btn {
  background: var(--color-gold);
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-top: 1rem;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--color-gold-rgb), 0.2);
  filter: brightness(1.1);
}

/* ==========================================================================
   Project Details Modal Overlay (Premium Overlay)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 2rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 960px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color-hover);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-gold-heavy);
}

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

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gold);
  color: var(--bg-primary);
  border-color: var(--color-gold);
  transform: rotate(90deg);
}

.modal-grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
}

.modal-image-container {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: #000;
  overflow: hidden;
  border-right: 1px solid var(--border-color);
}

.modal-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-badge {
  display: inline-block;
  align-self: flex-start;
  background: rgba(var(--color-gold-rgb), 0.1);
  color: var(--color-gold);
  border: 1px solid rgba(var(--color-gold-rgb), 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.modal-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.modal-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.25rem;
}

.meta-item {
  display: flex;
  font-size: 0.85rem;
}

.meta-label {
  width: 80px;
  color: var(--text-secondary);
  font-weight: 600;
}

.meta-val {
  color: var(--text-primary);
}

.modal-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  border-radius: 8px;
  padding: 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
}

.modal-action-btn:hover {
  background: var(--color-gold);
  color: var(--bg-primary);
  box-shadow: 0 5px 15px rgba(var(--color-gold-rgb), 0.15);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-gold);
  transform: translateY(-2px);
}

/* ==========================================================================
   Responsive Design Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .bio-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .project-card {
    flex: 0 0 calc(50% - 1rem);
  }
  
  .modal-card {
    max-width: 800px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  /* ---- Hero fix: remove side padding, let image fill full width ---- */
  .hero-section {
    padding-top: 5rem;
    padding-bottom: 1rem;
  }

  .hero-banner-container {
    padding: 0;
    aspect-ratio: auto;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-image {
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  /* ---- Navbar: full-width pill with logo + burger ---- */
  .navbar {
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2rem);
    max-width: calc(100% - 2rem);
    padding: 0.5rem 1.15rem;
    gap: 0;
    border-radius: 16px;

    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto;
    align-items: center;
  }

  .navbar .logo-img {
    height: 28px !important;
    max-height: 28px !important;
  }

  .nav-logo {
    grid-column: 1;
    grid-row: 1;
  }

  .burger-menu {
    display: flex;
    grid-column: 3;
    grid-row: 1;
    margin-left: auto;
  }

  .burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
  }

  /* Links hidden by default */
  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0 0.25rem;
    margin-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  /* Links visible when navbar is active */
  .navbar.active .nav-links {
    display: flex;
  }

  .nav-link {
    font-size: 0.9rem;
    padding: 0.35rem 0;
    text-align: center;
  }

  .nav-link::after {
    bottom: -2px;
  }

  /* ---- Carousel single column ---- */
  .project-card {
    flex: 0 0 100%;
  }

  .btn-prev {
    left: -12px;
  }

  .btn-next {
    right: -12px;
  }

  /* Biography layout */
  .bio-title-text {
    font-size: 2.5rem;
  }

  /* Contact Card column */
  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-info {
    padding: 3rem 2rem;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .contact-form {
    padding: 3rem 2rem;
  }

  /* Modal columns stack */
  .modal-grid {
    grid-template-columns: 1fr;
  }

  .modal-image-container {
    min-height: 250px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .modal-details {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-banner-container {
    padding: 0;
  }

  .navbar {
    top: 10px;
    padding: 0.4rem 0.85rem;
    border-radius: 14px;
  }

  .contact-title {
    font-size: 2rem;
  }

  .modal-overlay {
    padding: 1rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}