/* ==========================================================================
   TUĞÇE MİMARLIK - PREMIUM DESIGN SYSTEM & CUSTOM STYLES
   ========================================================================== */

:root {
  --color-bg-primary: #0A0A0C;
  --color-bg-secondary: #121215;
  --color-accent-gold: #C5A059;
  --color-accent-gold-bright: #D4AF37;
  --color-text-primary: #FFFFFF;
  --color-text-muted: #A1A1AA;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'Space Grotesk', monospace;
}

/* Base Styles */
html {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0A0A0C;
}
::-webkit-scrollbar-thumb {
  background: #27272A;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #C5A059;
}

/* Sticky Navbar Scrolled Glass State */
#navbar.scrolled {
  background-color: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Hamburger Menu Toggle Animation */
#hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
#hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Active State */
#mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

/* Page Views & Transition Effects */
.page-view {
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-view.hidden {
  display: none !important;
  opacity: 0;
  transform: translateY(20px);
}
.page-view.active {
  display: block !important;
  opacity: 1;
  transform: none !important;
}

/* Page Transition Curtain Wipe */
#curtain.animating .curtain-panel:nth-child(1) {
  transform: translateY(0%);
}
#curtain.animating .curtain-panel:nth-child(2) {
  transform: translateY(0%);
}

/* Hero Sticky Container & Canvas Architecture */
.hero-sticky-container {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
  z-index: 10;
}

/* Hero Canvas Scroller Overlay Slide Animations */
/* Hero Overlay Slides */
.hero-slide {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.5s;
}
.hero-slide.active {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
  pointer-events: auto;
}

/* Canvas Styling */
#video-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  touch-action: pan-y;
  display: block;
}

/* Project Cards Hover Glow Effect */
.project-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(197, 160, 89, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(197, 160, 89, 0.1);
}

/* Filter Button Active State */
.filter-btn.active {
  background-color: #C5A059 !important;
  color: #000000 !important;
  border-color: #C5A059 !important;
}

/* Project Detail Modal Show State */
#project-modal.active {
  opacity: 1;
  pointer-events: auto;
}

/* Line Clamp Utilities */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Modal Gallery & Thumbnails */
.modal-thumbs-track {
  scrollbar-width: thin;
  scrollbar-color: #C5A059 #16161c;
}
.modal-thumbs-track::-webkit-scrollbar {
  height: 4px;
}
.modal-thumbs-track::-webkit-scrollbar-track {
  background: #121215;
}
.modal-thumbs-track::-webkit-scrollbar-thumb {
  background: #C5A059;
  border-radius: 2px;
}

.modal-thumb-btn {
  transition: transform 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

#modal-main-img {
  transition: opacity 0.2s ease-in-out;
}

/* Mobile & Touch Optimizations */
* {
  -webkit-tap-highlight-color: transparent;
}

html {
  overflow-x: clip;
}

body {
  overflow-x: clip;
  max-width: 100vw;
}

/* GPU hardware acceleration for smooth mobile transitions */
.hero-slide, .project-card, .curtain-panel {
  will-change: transform, opacity;
  transform: translateZ(0);
}

#project-modal > div {
  -webkit-overflow-scrolling: touch;
}

/* Mobile Framing for Hero Slides: Pure Floating Editorial Typography */
@media (max-width: 767px) {
  .hero-slide {
    position: absolute !important;
    left: 1.5rem !important;
    right: 1.5rem !important;
    bottom: 4.5rem !important;
    top: auto !important;
    width: auto !important;
    max-width: 100% !important;
    margin: 0 !important;
    text-align: left !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .hero-slide h1 {
    font-size: 2.25rem !important;
    line-height: 1.15 !important;
    margin-bottom: 0.75rem !important;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.9) !important;
  }
  .hero-slide h2 {
    font-size: 1.85rem !important;
    line-height: 1.2 !important;
    margin-bottom: 0.5rem !important;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.9) !important;
  }
  .hero-slide p {
    font-size: 0.85rem !important;
    line-height: 1.5 !important;
    margin-bottom: 1rem !important;
    color: #E4E4E7 !important;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.9) !important;
    max-width: 28rem !important;
  }
  .hero-slide .pointer-events-auto {
    margin-top: 0.5rem !important;
  }
}

/* Mobile Safe Area Padding */
@supports (padding: max(0px)) {
  #navbar {
    padding-top: max(1.25rem, env(safe-area-inset-top));
    padding-left: max(1.5rem, env(safe-area-inset-left));
    padding-right: max(1.5rem, env(safe-area-inset-right));
  }
  footer {
    padding-bottom: max(3rem, env(safe-area-inset-bottom));
  }
}