@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Syne:wght@400;600;700;800&display=swap');

:root {
  /* Ana Renkler (Luxury Black & Sand) */
  --color-primary: #111111; /* Luxury Black */
  --color-secondary: #000000; /* Pure Black */
  --color-accent: #d4a574; /* Sand */

  /* Nötr Renkler */
  --color-bg: #f5f0e8;
  --color-bg-rgb: 245, 240, 232;
  --color-surface: #ffffff;
  --color-text-primary: #1a241b;
  --color-text-secondary: #4a5c4c;
  --color-border: #e2d9cd;

  /* Spacing Sistemi (8px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadow Sistemi */
  --shadow-sm: 0 1px 2px rgba(17, 17, 17, 0.05);
  --shadow-md: 0 4px 12px rgba(17, 17, 17, 0.08);
  --shadow-lg: 0 12px 32px rgba(17, 17, 17, 0.12);
  --shadow-xl: 0 24px 64px rgba(17, 17, 17, 0.16);

  /* Tipografi */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem); line-height: 1.2; }
h3 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem); }
p { font-size: clamp(1rem, 1vw + 0.5rem, 1.125rem); color: var(--color-text-secondary); margin-bottom: 1.5rem; }

/* Noise Overlay */
.grain-overlay::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-5xl) 0;
}

@media (max-width: 768px) {
  .section { padding: var(--space-4xl) 0; }
}

/* Grids */
.grid { display: grid; gap: var(--space-xl); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-asymmetric { grid-template-columns: 1.5fr 1fr; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-asymmetric {
    grid-template-columns: 1fr;
  }
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all 0.4s var(--ease-out-expo);
}

.nav.scrolled {
  padding: var(--space-md) 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(var(--color-bg-rgb), 0.9);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo img {
  height: 48px;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 1.05rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: all 0.3s ease;
}
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all 0.3s ease;
}
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s var(--ease-out-expo);
  }
  
  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    box-shadow: var(--shadow-md);
  }
  
  .mobile-menu-btn { display: block; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-full); /* softer pill shape for organic feel */
  cursor: pointer;
  transition: all 0.4s var(--ease-out-expo);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background: #c39462;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px; /* offset for nav */
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top:0; left:0; width:100%; height:100%;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(212, 165, 116, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(17, 17, 17, 0.1) 0%, transparent 50%),
    var(--color-bg);
  z-index: -1;
}

.hero .grid-asymmetric {
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/5;
}

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

.banner-slider img.slide {
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
  transform: scale(1.1);
  transition: opacity 1.5s ease-in-out, transform 5s ease-out;
}

.banner-slider img.slide.active {
  opacity: 1;
  transform: scale(1);
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 165, 116, 0.2);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* About Section */
.about {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  margin: var(--space-4xl) var(--space-lg);
  padding: var(--space-4xl) var(--space-2xl);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .about {
    margin: var(--space-2xl) var(--space-sm);
    padding: var(--space-2xl) var(--space-md);
  }
}

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-image {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 400px;
}

/* Services / Features */
.features-grid {
  margin-top: var(--space-3xl);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.4s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(17, 17, 17, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

/* Gallery / Projects */
.gallery-section {
  padding: var(--space-5xl) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-3xl);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Testimonials */
.testimonials {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-5xl) 0;
  border-radius: var(--radius-2xl);
  margin: var(--space-4xl) var(--space-lg);
}

@media (max-width:768px){
  .testimonials { margin: var(--space-2xl) var(--space-sm); border-radius: var(--radius-xl);}
}

.testimonials h2, .testimonials p.desc {
  color: #fff;
  text-align: center;
}

.testimonials p.desc {
  opacity: 0.8;
  margin-bottom: var(--space-4xl);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
}

.testimonial-card p {
  color: rgba(255,255,255,0.9);
  font-style: italic;
  font-size: 1.125rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #fff;
  font-family: var(--font-display);
}

.author-info h4 {
  color: #fff;
  font-size: 1.1rem;
  margin: 0;
}

/* Contact / CTA */
.contact-section {
  padding: var(--space-5xl) 0;
}

.contact-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: var(--space-xl);
  }
}

.form-group {
  margin-bottom: var(--space-md);
}

.input {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.3s ease;
}

.input:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(17, 17, 17, 0.1);
}

textarea.input {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--color-secondary);
  color: #fff;
  padding: var(--space-4xl) 0 var(--space-md) 0;
  margin-top: var(--space-5xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .footer-content { grid-template-columns: 1fr; }
}

.footer h3 {
  color: #fff;
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.footer p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
}

/* Animations Core */
.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
  animation-play-state: paused;
}

.animate-on-scroll.is-visible {
  animation-play-state: running;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Radio Buttons */
.radio-label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  font-weight: 500;
  gap: 8px;
}
.radio-label input[type="radio"] {
  display: none;
}
.custom-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s ease;
}
.radio-label input[type="radio"]:checked + .custom-radio {
  border-color: var(--color-primary);
}
.radio-label input[type="radio"]:checked + .custom-radio::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Lightbox Modal */
.lightbox {
  display: none;
  position: fixed;
  z-index: 10000;
  padding-top: 60px;
  left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  background-color: rgba(0,0,0,0.9);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.lightbox.show {
  display: block;
  opacity: 1;
}
.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  transform: scale(0.9);
  transition: transform 0.3s var(--ease-out-expo);
}
.lightbox.show .lightbox-content {
  transform: scale(1);
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}
.lightbox-close:hover {
  color: var(--color-accent);
}

/* Initial Popup */
.initial-popup {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}
.initial-popup.show {
  opacity: 1;
  visibility: visible;
}
.initial-popup-content {
  position: relative;
  max-width: 90%;
  max-height: 90vh;
  transform: scale(0.95);
  transition: transform 0.5s var(--ease-out-expo);
}
.initial-popup.show .initial-popup-content {
  transform: scale(1);
}
.initial-popup-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}
.close-popup-btn {
  position: absolute;
  top: -20px; right: -20px;
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.close-popup-btn:hover {
  transform: scale(1.1);
  background: var(--color-secondary);
}