/* ============================================
   FAVORİM KUTU — Premium Design System
   Technology: Vanilla CSS
   Font: Inter (Google Fonts)
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-card: #16161e;
  --color-bg-card-hover: #1c1c26;
  --color-surface: #1e1e28;
  --color-gold: #d4af37;
  --color-gold-light: #e8c84a;
  --color-gold-dark: #b8962e;
  --color-cream: #f5f0e8;
  --color-text-primary: #f0ece4;
  --color-text-secondary: #a09a8c;
  --color-text-muted: #6b6560;
  --color-border: rgba(212, 175, 55, 0.15);
  --color-border-hover: rgba(212, 175, 55, 0.4);
  --color-glass: rgba(22, 22, 30, 0.75);
  --color-overlay: rgba(10, 10, 15, 0.6);

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, #d4af37, #e8c84a, #c9a84c);
  --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #111118 100%);
  --gradient-hero: linear-gradient(135deg, rgba(10,10,15,0.85), rgba(212,175,55,0.08));

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-xs: clamp(0.75rem, 1.5vw, 0.85rem);
  --fs-sm: clamp(0.85rem, 1.8vw, 0.95rem);
  --fs-base: clamp(0.95rem, 2vw, 1.05rem);
  --fs-lg: clamp(1.1rem, 2.2vw, 1.25rem);
  --fs-xl: clamp(1.3rem, 2.5vw, 1.6rem);
  --fs-2xl: clamp(1.6rem, 3vw, 2.2rem);
  --fs-3xl: clamp(2rem, 4vw, 3rem);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 20px rgba(212,175,55,0.15);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- HEADER & NAVIGATION --- */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}

header.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1200px;
  width: 92%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: var(--transition-base);
}

.logo-link:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.logo-link img {
  height: 36px;
  width: auto;
  border-radius: 4px;
}

.logo {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Logo Area (logo + social icons) --- */
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: transparent;
  transition: var(--transition-base);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.social-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: var(--transition-base);
}

.social-icon.instagram:hover {
  border-color: #E1306C;
  background: rgba(225, 48, 108, 0.12);
  color: #E1306C;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(225, 48, 108, 0.25);
}

.social-icon.whatsapp:hover {
  border-color: #25D366;
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}

nav { display: flex; align-items: center; }

nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

nav ul li a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 6px 0;
  transition: var(--transition-base);
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-gold);
  transition: var(--transition-base);
  border-radius: 2px;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--color-gold);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

.login-btn {
  background: transparent !important;
  border: 1.5px solid var(--color-gold) !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-md) !important;
  color: var(--color-gold) !important;
  font-weight: 600 !important;
  transition: var(--transition-base) !important;
}

.login-btn:hover {
  background: var(--color-gold) !important;
  color: var(--color-bg) !important;
  box-shadow: var(--shadow-gold) !important;
}

.login-btn::after { display: none !important; }

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5.5px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5.5px); }

/* --- MAIN CONTENT --- */
main {
  flex: 1;
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl) 0 var(--space-2xl);
}

/* --- HERO SECTION --- */
.hero {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: var(--gradient-hero), var(--color-bg);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding: var(--space-3xl) var(--space-lg);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--color-bg) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: rgba(212,175,55,0.12);
  border: 1px solid var(--color-border);
  color: var(--color-gold);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
  border: none;
  padding: 0;
}

.hero h1 .gold { color: var(--color-gold); }

.hero p {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 550px;
  margin: 0 auto;
}

/* --- SECTION HEADINGS --- */
h1, h2, h3, h4, h5, h6 { line-height: 1.3; }

.section-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-cream);
  margin-bottom: var(--space-xl);
  padding-left: var(--space-md);
  border-left: 4px solid var(--color-gold);
  border-bottom: none;
}

h1, h2 {
  color: var(--color-cream);
  border-left: 4px solid var(--color-gold);
  padding-left: var(--space-md);
  font-weight: 700;
}

h2 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-xl);
}

h3 { color: var(--color-cream); font-weight: 600; }

p { color: var(--color-text-secondary); }

/* --- PRODUCT CARDS (GRID) --- */
.urun-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.urun-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  text-align: center;
  transition: var(--transition-base);
  position: relative;
}

.urun-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--color-gold) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-base);
}

.urun-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
}

.urun-card:hover::before { opacity: 1; }

.urun-card .card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
}

.urun-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.urun-card:hover img { transform: scale(1.08); }

.urun-card .card-body {
  padding: var(--space-lg);
}

.urun-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-cream);
}

.urun-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* --- BUTTONS --- */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary, .urun-card button {
  background: var(--gradient-gold);
  color: var(--color-bg);
}

.btn-primary:hover, .urun-card button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212,175,55,0.35);
}

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

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

/* --- TRUST / STATS SECTION --- */
.trust-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.trust-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-base);
}

.trust-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.trust-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
}

.trust-card h3 {
  font-size: var(--fs-xl);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.trust-card p {
  font-size: var(--fs-sm);
}

/* --- ABOUT PAGE --- */
.about-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-xl);
}

.about-content p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about-content strong { color: var(--color-gold); }

.about-content h3 {
  font-size: var(--fs-xl);
  margin: var(--space-xl) 0 var(--space-md);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-gold);
}

.about-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-xl);
}

.about-list li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: var(--fs-sm);
  transition: var(--transition-base);
}

.about-list li:hover {
  border-color: var(--color-border-hover);
  transform: translateX(4px);
}

.about-list li .list-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

/* --- CONTACT PAGE --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child { border-bottom: none; }

.contact-item .ci-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212,175,55,0.1);
  border-radius: var(--radius-sm);
}

.contact-item h4 {
  color: var(--color-cream);
  font-size: var(--fs-base);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: var(--fs-sm);
  margin: 0;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 350px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border: none;
  display: block;
}

/* --- LOGIN PAGE --- */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}

.login-card {
  background: var(--color-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  width: 100%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.login-card h2 {
  border: none;
  padding: 0;
  text-align: center;
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

.login-card > p {
  margin-bottom: var(--space-xl);
}

.login-card .input-group {
  position: relative;
  margin-bottom: var(--space-md);
}

.login-card .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  opacity: 0.5;
}

/* --- FORM ELEMENTS --- */
input, textarea, select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

.login-card input {
  padding-left: 44px;
}

#mesaj {
  margin-top: var(--space-md);
  font-weight: 600;
  font-size: var(--fs-sm);
}

/* --- TABLES --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
}

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-surface);
  color: var(--color-gold);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

td { font-size: var(--fs-sm); color: var(--color-text-secondary); }

tbody tr { transition: var(--transition-fast); }
tbody tr:hover { background: rgba(212,175,55,0.04); }

/* --- PRICE TAG --- */
.fiyat {
  color: var(--color-gold);
  font-weight: 700;
  font-size: var(--fs-lg);
  margin: var(--space-sm) 0;
}

/* --- FOOTER --- */
footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  margin-top: auto;
}

footer p {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* --- PAGE HERO (Sub-pages) --- */
.page-hero {
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-hero h1, .page-hero h2 {
  border: none;
  padding: 0;
  text-align: center;
}

.page-hero p {
  max-width: 500px;
  margin: var(--space-sm) auto 0;
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: none; }

/* --- SHIMMER EFFECT --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-text {
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 50%, var(--color-gold) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(16, 16, 24, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 80px var(--space-xl) var(--space-xl);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
    z-index: 999;
  }

  nav.open { right: 0; }

  nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a {
    display: block;
    padding: 16px 0;
    font-size: var(--fs-base);
    border-bottom: 1px solid var(--color-border);
  }

  nav ul li a::after { display: none; }

  .login-btn {
    margin-top: var(--space-md) !important;
    text-align: center !important;
    display: block !important;
  }

  /* Overlay when menu open */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
  }

  .nav-overlay.show { display: block; }

  .hero { min-height: 320px; padding: var(--space-2xl) var(--space-md); }

  .urun-container { grid-template-columns: 1fr 1fr; }

  .trust-section { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .urun-container { grid-template-columns: 1fr; }
  .trust-section { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
}