/* ================================================================
   OSIS — Ana Tasarım Sistemi
   Premium Dark Gold Theme
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;500;600;700;800&family=Orbitron:wght@400;500;600;700;800&family=Rajdhani:wght@400;500;600;700&display=swap');

/* ── CSS Değişkenleri ─────────────────────────────────────────── */
:root {
  /* Arka Plan Renkleri */
  --bg-0: #060810;
  --bg-1: #08091A;
  --bg-2: #0D1020;
  --bg-card: #111425;
  --bg-card-hover: #17193A;
  --bg-glass: rgba(13, 16, 32, 0.75);

  /* Altın Renk Skalası */
  --gold-deep:    #7A5C10;
  --gold-dark:    #A67C1A;
  --gold-main:    #C8962A;
  --gold-bright:  #E8B840;
  --gold-light:   #F5CC68;
  --gold-shine:   #FFE08A;
  --gold-glow:    rgba(200, 150, 42, 0.18);

  /* Mavi Aksan */
  --blue-dark:  #0F2A5C;
  --blue-main:  #1E5FD8;
  --blue-light: #4E8FF0;
  --blue-glow:  rgba(30, 95, 216, 0.2);

  /* Metin Renkleri */
  --text-white:   #FFFFFF;
  --text-primary: #EEF0F8;
  --text-secondary:#A8B2CC;
  --text-muted:   #5C6880;

  /* Durum Renkleri */
  --success: #22C55E;
  --danger:  #EF4444;
  --warning: #F59E0B;

  /* Sınır */
  --border-gold:   rgba(200, 150, 42, 0.22);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card:   rgba(200, 150, 42, 0.12);

  /* Gölge & Parıltı */
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 40px rgba(200, 150, 42, 0.18);
  --shadow-blue: 0 0 40px rgba(30, 95, 216, 0.2);

  /* Tipografi */
  --font-display: 'Orbitron', 'Michroma', sans-serif;
  --font-body:    'Rajdhani', 'Exo 2', sans-serif;

  /* BoÅŸluklar */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --space-2xl: 8rem;

  /* Border Radius - Teknolojik Panel Görünümü İçin Minimal */
  --radius-sm: 1px;
  --radius-md: 2px;
  --radius-lg: 3px;
  --radius-xl: 4px;
  --radius-full: 4px;

  /* Geçişler */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-1);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }

/* ── Arka Plan Izgara Deseni ──────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,150,42,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,150,42,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ── Kapsayıcı ────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Tipografi ────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-white);
}

.display-1 { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900; }
.display-2 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); font-weight: 800; }
.h1 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; }
.h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 700; }
.h3 { font-size: clamp(1.2rem, 2vw, 1.7rem); font-weight: 700; }
.h4 { font-size: 1.1rem; font-weight: 600; }

.text-gold  { color: var(--gold-bright); }
.text-muted { color: var(--text-muted); }
.text-secondary-color { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-bright) 50%, var(--gold-main) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── Bölüm Başlıkları ─────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-bright);
  background: rgba(200, 150, 42, 0.1);
  border: 1px solid var(--border-gold);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-bright);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header p {
  max-width: 680px;
  margin: 1rem auto 0;
  color: var(--text-secondary);
}

/* ── Butonlar ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-main) 0%, var(--gold-bright) 50%, var(--gold-main) 100%);
  background-size: 200% auto;
  color: #000;
  box-shadow: 0 4px 20px rgba(200,150,42,0.4);
}

.btn-gold:hover {
  background-position: right center;
  box-shadow: 0 8px 32px rgba(200,150,42,0.6);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold-bright);
  border: 1.5px solid var(--border-gold);
  backdrop-filter: blur(10px);
}

.btn-outline-gold:hover {
  background: var(--gold-glow);
  border-color: var(--gold-bright);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  padding: 0;
}

/* ── Kartlar ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-main), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

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

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

/* ── Navigasyon ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 9, 26, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-gold);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold-main), var(--gold-bright));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: #000;
  box-shadow: 0 4px 16px rgba(200,150,42,0.4);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-white);
  letter-spacing: -0.02em;
}

.logo-tagline {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-main);
}

/* Menü */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
  background: rgba(255,255,255,0.06);
}

/* Dropdown */
.nav-item {
  position: relative;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--bg-2);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--gold-glow);
  color: var(--gold-bright);
}

.dropdown-item .di-icon {
  width: 32px;
  height: 32px;
  background: rgba(200,150,42,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-0);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 6rem 2rem 3rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  display: block;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--gold-bright);
  padding-left: 0.5rem;
}

/* ── Hero Bölümü ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(6,8,16,0.92) 40%, rgba(6,8,16,0.65) 75%, rgba(6,8,16,0.4) 100%),
    linear-gradient(to top, rgba(6,8,16,0.8) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: var(--space-xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(200,150,42,0.12);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease both;
}

.hero-badge svg { width: 14px; height: 14px; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-white);
  animation: fadeInUp 0.8s 0.1s ease both;
  margin-bottom: 1.5rem;
}

.hero-title span.accent {
  background: linear-gradient(135deg, var(--gold-shine), var(--gold-bright), var(--gold-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  animation: fadeInUp 0.8s 0.2s ease both;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeInUp 0.8s 0.3s ease both;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--gold-bright);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Plaka Animasyon Kutusu */
.plate-sim {
  position: absolute;
  right: 2%;
  top: 44%;
  transform: translateY(-50%);
  z-index: 2;
  width: 340px;
  display: none;
}

@media (min-width: 1100px) { .plate-sim { display: block; } }

.plate-sim-card {
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  border: 2px solid var(--gold-main);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-gold), var(--shadow-lg);
  animation: widget-glow 4s ease-in-out infinite alternate;
}

@keyframes widget-glow {
  0% { 
    box-shadow: 0 0 10px rgba(200,150,42,0.2); 
    border-color: rgba(200,150,42,0.3); 
  }
  100% { 
    box-shadow: 0 0 25px 8px rgba(232,184,64,0.6); 
    border-color: rgba(232,184,64,1); 
  }
}

.plate-display {
  background: #000;
  border: 3px solid var(--gold-main);
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  text-align: center;
  font-family: monospace;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold-shine);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.plate-display::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(200,150,42,0.15), transparent);
  animation: plate-scan 2.5s infinite;
}

@keyframes plate-scan {
  0% { left: -100%; }
  100% { left: 200%; }
}

.confidence-bar {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  height: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.confidence-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--gold-main), var(--success));
  animation: fill-bar 3s ease infinite alternate;
}

@keyframes fill-bar {
  0%   { width: 97%; }
  100% { width: 99.9%; }
}

.plate-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--success);
  font-weight: 600;
}

.status-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-status 1.5s infinite;
}

@keyframes pulse-status {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.plate-events {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plate-event {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}

.plate-event-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-red   { background: var(--danger);  box-shadow: 0 0 6px var(--danger);  }
.dot-gold  { background: var(--gold-bright); }

/* ── Bölümler ─────────────────────────────────────────────────── */
.section { padding: var(--space-xl) 0; }
.section-sm { padding: var(--space-lg) 0; }
.section-alt { background: var(--bg-2); }

/* ── Ürün Kartları ────────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

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

.product-card.featured {
  border-color: var(--gold-main);
  box-shadow: var(--shadow-gold);
}

.product-card.featured::after {
  content: 'ÖNERİLEN';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: linear-gradient(135deg, var(--gold-main), var(--gold-bright));
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  z-index: 2;
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: brightness(0.85);
  transition: var(--transition);
}

.product-card:hover .product-image {
  filter: brightness(1);
  transform: scale(1.03);
}

.product-image-wrapper {
  overflow: hidden;
  position: relative;
}

.product-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(6,8,16,0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: 0.08em;
}

.product-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.25rem;
}

.product-name span {
  color: var(--gold-bright);
}

.product-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 500;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex: 1;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.spec-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(200,150,42,0.08);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold-light);
}

/* ── Özellik Grid ─────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: var(--border-gold);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.3rem;
}

.feature-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── İstatistikler ────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stat-item {
  padding: 2.5rem 2rem;
  text-align: center;
  border-right: 1px solid var(--border-card);
  position: relative;
}

.stat-item:last-child { border-right: none; }

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-main), transparent);
  opacity: 0;
  transition: var(--transition);
}

.stat-item:hover::before { opacity: 1; }

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--gold-bright);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.1em;
}

.stat-suffix {
  font-size: 1.5rem;
  color: var(--gold-main);
  margin-bottom: 0.1em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Mobil Uygulama Showcase ──────────────────────────────────── */
.mobile-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .mobile-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.phone-mockup-group {
  display: flex;
  justify-content: center;
  gap: -2rem;
  position: relative;
}

.phone-mockup {
  width: 180px;
  border-radius: 28px;
  border: 3px solid rgba(200,150,42,0.3);
  box-shadow: var(--shadow-gold), var(--shadow-lg);
  transition: var(--transition);
}

.phone-mockup:nth-child(1) { transform: rotate(-8deg) translateY(1rem); z-index: 1; }
.phone-mockup:nth-child(2) { transform: rotate(0deg); z-index: 2; width: 200px; }
.phone-mockup:nth-child(3) { transform: rotate(8deg) translateY(1rem); z-index: 1; }

.phone-mockup:hover {
  transform: rotate(0) scale(1.05);
  z-index: 3;
}

.mobile-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: var(--transition);
}

.mobile-feature:hover {
  border-color: var(--border-gold);
  transform: translateX(6px);
}

.mf-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gold-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid var(--border-gold);
}

.mf-text h4 { font-size: 0.95rem; color: var(--text-white); margin-bottom: 0.2rem; }
.mf-text p  { font-size: 0.82rem; color: var(--text-secondary); }

/* ── Video Bölümü ─────────────────────────────────────────────── */
.video-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-gold);
  box-shadow: var(--shadow-gold), var(--shadow-lg);
}

.video-wrapper video {
  width: 100%;
  display: block;
  max-height: 520px;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6,8,16,0.4);
  transition: var(--transition);
}

.video-overlay.hidden { opacity: 0; pointer-events: none; }

.play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-main), var(--gold-bright));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 0 0 rgba(200,150,42,0.4);
  animation: play-pulse 2.5s infinite;
}

.play-btn:hover {
  transform: scale(1.1);
}

@keyframes play-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200,150,42,0.4); }
  70%  { box-shadow: 0 0 0 20px rgba(200,150,42,0); }
  100% { box-shadow: 0 0 0 0 rgba(200,150,42,0); }
}

/* ── Hedef Kitle ──────────────────────────────────────────────── */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.audience-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  cursor: default;
}

.audience-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.audience-emoji {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.audience-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ── Bayi Programı ────────────────────────────────────────────── */
.dealer-section {
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-1) 100%);
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  position: relative;
  overflow: hidden;
}

.dealer-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,150,42,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.dealer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .dealer-grid { grid-template-columns: 1fr; }
}

.dealer-benefits {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: rgba(200,150,42,0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
}

.benefit-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-main), var(--gold-bright));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.7rem;
  color: #000;
  font-weight: 900;
}

.benefit-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── CTA Bölümü ───────────────────────────────────────────────── */
.cta-section {
  text-align: center;
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(200,150,42,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), var(--gold-main), var(--gold-bright), transparent);
}

/* ── İletişim Formu ───────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-control::placeholder { color: var(--text-muted); }

.form-control:focus {
  border-color: var(--gold-main);
  background: rgba(200,150,42,0.04);
  box-shadow: 0 0 0 3px rgba(200,150,42,0.1);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border-gold);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 580px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-main);
  margin-bottom: 1.25rem;
}

.footer-link {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  transition: var(--transition);
}

.footer-link:hover { color: var(--gold-bright); padding-left: 4px; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-legal a:hover { color: var(--gold-bright); }

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.contact-info-item svg {
  width: 16px;
  height: 16px;
  color: var(--gold-bright);
  flex-shrink: 0;
}

/* ── Animasyonlar ─────────────────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Yardımcı Sınıflar ────────────────────────────────────────── */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1  { gap: 1rem; }
.gap-2  { gap: 2rem; }
.mb-0   { margin-bottom: 0; }
.mb-1   { margin-bottom: 0.5rem; }
.mb-2   { margin-bottom: 1rem; }
.mb-3   { margin-bottom: 1.5rem; }
.mb-4   { margin-bottom: 2rem; }
.mb-6   { margin-bottom: 3rem; }
.mt-4   { margin-top: 2rem; }
.mt-6   { margin-top: 3rem; }

.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-md) 0;
}

.gold-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-main), var(--gold-bright));
  border-radius: var(--radius-full);
  margin: 1rem auto;
}

/* Floating badge */
.floating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-gold {
  background: linear-gradient(135deg, var(--gold-main), var(--gold-bright));
  color: #000;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-blue {
  background: rgba(30, 95, 216, 0.15);
  color: var(--blue-light);
  border: 1px solid rgba(30, 95, 216, 0.3);
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: var(--gold-dark);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gold-main); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .navbar-nav,
  .navbar-actions .btn { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 768px) {
  .hero-stats { gap: 1.5rem; }
  .stats-row  { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(even) { border-right: none; }
  .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--border-card); }
}

@media (max-width: 480px) {
  .hero-actions  { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .stats-row { grid-template-columns: 1fr; }
  .stat-item { border-right: none !important; border-bottom: 1px solid var(--border-card); }
  .stat-item:last-child { border-bottom: none; }
}

/* ── Özel Sayfalar - İletişim ─────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.contact-map-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Page Hero (iç sayfalar için) */
.page-hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-main), transparent);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--gold-main); }
.breadcrumb a:hover { color: var(--gold-bright); }
.breadcrumb span { color: var(--text-muted); }


/* ── OSIS Logo (Geometrik, Altın Zemin) ─────────────────────────────── */
.navbar-brand-container {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.navbar-logo {
  display: inline-flex;
  align-items: center;
  background-color: var(--gold-main);
  padding: 0.5em 0.65em;
  border-radius: var(--radius-sm);
  gap: 0.5em;
  font-size: 1.35rem;
  /* Parlayan altın çerçeve */
  border: 1.5px solid rgba(232, 184, 64, 0.9);
  box-shadow:
    0 0 0 3px rgba(200,150,42,0.15),
    0 0 12px 3px rgba(232,184,64,0.45),
    0 4px 16px rgba(200,150,42,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: logo-glow 3s ease-in-out infinite alternate;
}
@keyframes logo-glow {
  from { box-shadow: 0 0 0 3px rgba(200,150,42,0.12), 0 0 10px 2px rgba(232,184,64,0.35), 0 4px 14px rgba(200,150,42,0.3); }
  to   { box-shadow: 0 0 0 3px rgba(200,150,42,0.22), 0 0 18px 5px rgba(232,184,64,0.6), 0 6px 20px rgba(200,150,42,0.45); }
}
.navbar-brand-container:hover .navbar-logo {
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px rgba(200,150,42,0.25), 0 0 24px 8px rgba(232,184,64,0.7), 0 8px 28px rgba(200,150,42,0.5);
  animation: none;
}
.osis-symbol {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  width: 0.9em;
  height: 0.78em;
}
.osis-symbol div {
  background-color: #0A0A0A;
  border-radius: 1px;
}
/* Orta çizgi (en kalın, tam genişlik) */
.s-mid { width: 100%; height: 0.22em; }
/* Üst ve alt çizgi — biraz kısa, kalın */
.s-top, .s-bot { width: 42%; height: 0.19em; }
.s-mid { width: 100%; }
.osis-text {
  font-family: var(--font-display);
  font-weight: 800;
  color: #0A0A0A;
  line-height: 1;
  letter-spacing: 1.5px;
  font-size: 1em;
}
/* Navbar tagline — uzun metni küçük ekranlarda gizle */
.logo-tagline {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  line-height: 1.45;
  display: block;
  max-width: 340px;
  text-transform: uppercase;
}
@media (max-width: 1200px) {
  .logo-tagline { display: none; }
}

/* FORM INPUT STYLES */
.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--gold-main); /* Sürekli altýn renkli çerçeve */
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 1rem;
    animation: widget-glow 3s ease-in-out infinite alternate; /* Logo etrafýndaki gibi nefes alan glow */
}

.form-control:focus {
    /* Odaklanýnca biraz daha aydýnlansýn */
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px; /* Mesaj alaný daha geniþ olacak */
}