/**
 * Boyler & Serpantin Tamiri - Özel CSS Stilleri
 * (Fontlar header.php içinde preconnect ile asenkron yüklenmektedir)
 */

:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #f97316;
    --accent-hover: #ea580c;
    --copper: #d97706;
    --steel: #38bdf8;
    --surface: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #1e293b;
    background-color: #f8fafc;
    overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
    font-family: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.02em;
}

/* Glassmorphism & Modern Kartlar */
.glass-nav {
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.dark-glass-card {
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigasyon Dropdown */
.nav-dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.2s;
}

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

/* Hero Video Stilleri */
.hero-video-container {
    position: relative;
    overflow: hidden;
    background: #090d16;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.38;
}

.hero-gradient-overlay {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.82) 50%, rgba(15, 23, 42, 0.92) 100%);
}

/* Nabız ve Işıma Animasyonları */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(249, 115, 22, 0.8);
    }
}

.animate-glow {
    animation: pulse-glow 2.5s infinite;
}

/* Endüstriyel Izgara Dokusu */
.bg-grid-pattern {
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 24px 24px;
}

.bg-grid-light {
    background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Akordeon Geçişleri */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* Yumuşak Kaydırma & Scrollbar */
html {
    scroll-behavior: smooth;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #f97316;
}

/* Mobil Alt Bar Gölgelendirme */
.mobile-sticky-bar {
    box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.25);
}

/* Görsel Hover Efekti */
.img-zoom-container {
    overflow: hidden;
}
.img-zoom-container img {
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}
.img-zoom-container:hover img {
    transform: scale(1.06);
}

/* Lightbox Modal */
#lightboxModal {
    transition: opacity 0.3s ease;
}
#lightboxModal.hidden {
    opacity: 0;
    pointer-events: none;
}