/* ==========================================================================
   GLOBAL DESIGN VARIABLES & RESETS
   ========================================================================== */
:root {
    --cls-white: #FFFFFF;
    --cls-pistachio: #84C341;      /* Rafine Premium Fıstık Yeşili */
    --cls-pistachio-glow: rgba(132, 195, 65, 0.2);
    --cls-anthracite-base: #121416; /* Lüks Kadife Antrasit */
    --cls-anthracite-card: #1C1F22; /* Kartlar için Hafif Açık Ton */
    --cls-animation-speed: cubic-bezier(0.25, 1, 0.5, 1); /* Üst Düzey Akıcılık */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', 'Montserrat', sans-serif;
}

body {
    background-color: var(--cls-white);
    color: var(--cls-anthracite-base);
    overflow-x: hidden;
    opacity: 0; /* Preloader tamamlanana kadar gizleme */
    transition: opacity 0.6s var(--cls-animation-speed);
}

body.content-loaded {
    opacity: 1;
}

body.premium-dark-layout {
    background-color: var(--cls-anthracite-base);
    color: var(--cls-white);
}

/* ==========================================================================
   SMOOTH F5 REFRESH EFEKTİ (PRELOADER)
   ========================================================================== */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--cls-anthracite-base);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
}
#page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
    transform: scale(1.02);
}
.loader-line {
    width: 200px;
    height: 2px;
    background-color: rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}
.loader-line::after {
    content: '';
    position: absolute;
    left: -50%;
    height: 100%;
    width: 40%;
    background: var(--cls-pistachio);
    animation: loading-bar-run 1.2s infinite ease-in-out;
}
@keyframes loading-bar-run {
    0% { left: -40%; }
    100% { left: 100%; }
}

/* ==========================================================================
   HEADER & NAVIGATION BAR DESIGN
   ========================================================================== */
#global-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 60px;
    z-index: 1000;
    transition: all 0.4s var(--cls-animation-speed);
}
#global-header.header-solid-mode {
    position: relative;
    background-color: var(--cls-anthracite-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand-logo {
    color: var(--cls-white);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 1.5px;
    font-family: 'Montserrat', sans-serif;
}
.brand-logo span {
    color: var(--cls-pistachio);
}
.nav-menu {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
}
.nav-link {
    position: relative;
    color: var(--cls-white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 26px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
    border-radius: 4px;
    transition: color 0.4s var(--cls-animation-speed), border-color 0.4s var(--cls-animation-speed);
    overflow: hidden;
}
.nav-link:hover {
    color: var(--cls-pistachio);
    border-color: var(--cls-pistachio);
}
.nav-link.active {
    border-color: var(--cls-pistachio);
    color: var(--cls-pistachio);
}

/* JavaScript Tıklama Efekti Elementi */
.click-ripple-expansion {
    position: absolute;
    border-radius: 50%;
    background-color: var(--cls-pistachio);
    transform: scale(0);
    animation: ripple-growth 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    pointer-events: none;
    z-index: 0;
}
@keyframes ripple-growth {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* MEGA DROPDOWN (ÜRÜNLERİMİZ) */
.nav-dropdown-wrapper { position: relative; }
.mega-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background-color: var(--cls-anthracite-card);
    border: 1px solid rgba(132, 195, 65, 0.3);
    min-width: 220px;
    border-radius: 6px;
    padding: 10px 0;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    opacity: 0;
    transition: all 0.3s var(--cls-animation-speed);
}
.nav-dropdown-wrapper:hover .mega-dropdown {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(5px);
}
.mega-dropdown a {
    color: rgba(255,255,255,0.8);
    padding: 10px 20px;
    text-decoration: none;
    display: block;
    font-size: 13px;
    transition: all 0.2s ease;
}
.mega-dropdown a:hover {
    background-color: var(--cls-pistachio);
    color: var(--cls-anthracite-base);
    padding-left: 25px;
}

/* ==========================================================================
   INDEX SAYFASI MODÜLLERİ (IDs)
   ========================================================================== */
#index-hero-showcase {
    position: relative;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-slider {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}
.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.2s ease-in-out, transform 1.2s ease-in-out;
}
.hero-slide.active {
    opacity: 1;
    transform: scale(1);
}
.hero-typography {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: 850px;
    padding: 0 20px;
}
.hero-typography h1 {
    font-size: 3.8rem;
    font-weight: 700;
    color: var(--cls-white);
    letter-spacing: -1px;
    margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
}
.hero-typography p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    font-weight: 300;
}

/* ANİMASYONLU SERVIS CAROUSEL (INDEX) */
#index-services-carousel-section {
    padding: 120px 40px;
    background-color: var(--cls-white);
}
.premium-title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--cls-anthracite-base);
    margin-bottom: 50px;
    text-align: center;
}
.premium-carousel-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    overflow: hidden;
}
.carousel-slider-track {
    display: flex;
    gap: 30px;
    transition: transform 0.6s cubic-bezier(0.76, 0, 0.24, 1);
}
.premium-card {
    min-width: calc(33.333% - 20px);
    border-radius: 8px;
    padding: 2px; /* Gradiyen Sınır Kalınlığı */
    background: transparent;
    transition: all 0.4s var(--cls-animation-speed);
}
.card-inner-box {
    background: var(--cls-anthracite-card);
    border-radius: 6px;
    overflow: hidden;
    height: 100%;
}
.card-media-wrap {
    height: 240px;
    background-size: cover;
    background-position: center;
    filter: grayscale(20%);
    transition: all 0.5s var(--cls-animation-speed);
}
.premium-card:hover .card-media-wrap {
    filter: grayscale(0%);
    transform: scale(1.03);
}
.card-body-content {
    padding: 30px;
    color: var(--cls-white);
}
.card-body-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--cls-white);
}
.card-body-content p {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 300;
}
.carousel-control-arrow {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: var(--cls-pistachio);
    color: var(--cls-anthracite-base);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    z-index: 10;
    transition: all 0.3s ease;
}
.carousel-control-arrow:hover {
    transform: translateY(-50%) scale(1.1);
}

/* HAKKIMIZDA BÖLÜMÜ (INDEX) */
#index-about-corporate-section {
    padding: 100px 40px;
    background-color: var(--cls-anthracite-base);
    display: flex;
    justify-content: center;
}
.corporate-container {
    max-width: 1000px;
    padding: 60px;
    background: var(--cls-anthracite-card);
    border-radius: 12px;
    text-align: center;
}
.corporate-lead-text {
    color: rgba(255,255,255,0.8);
    font-size: 1.15rem;
    line-height: 1.9;
    font-weight: 300;
}

/* ==========================================================================
   HİZMETLERİMİZ SAYFASI MODÜLLERİ (IDs)
   ========================================================================== */
#services-page-main-wrapper {
    padding: 100px 40px;
}
.page-main-headline {
    text-align: center;
    font-size: 2.6rem;
    color: var(--cls-pistachio);
    margin-bottom: 60px;
    font-weight: 700;
}
.services-premium-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
}
.service-details-block {
    background: var(--cls-anthracite-card);
    padding: 45px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.4s var(--cls-animation-speed);
}
.service-details-block:hover {
    transform: translateY(-5px);
}
.service-details-block h2 {
    color: var(--cls-pistachio);
    font-size: 1.5rem;
    margin-bottom: 18px;
    font-weight: 600;
}
.service-details-block p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    font-size: 1rem;
    font-weight: 300;
}

/* ==========================================================================
   ÜRÜNLERİMİZ SAYFASI MODÜLLERİ (IDs)
   ========================================================================== */
#products-catalog-main-container {
    padding: 100px 40px;
}
.catalog-category-group {
    margin-bottom: 80px;
    scroll-margin-top: 120px; /* Anchor link kaydırma boşluğu */
}
.catalog-group-title {
    font-size: 1.8rem;
    color: var(--cls-white);
    border-left: 4px solid var(--cls-pistachio);
    padding-left: 15px;
    margin-bottom: 30px;
    font-weight: 600;
}
.catalog-products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

/* ==========================================================================
   HAKKIMIZDA SAYFASI MODÜLLERİ (IDs)
   ========================================================================== */
#about-page-main-layout {
    padding: 100px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}
.about-premium-split-card {
    display: flex;
    max-width: 1200px;
    background: var(--cls-anthracite-card);
    border-radius: 12px;
    overflow: hidden;
    width: 100%;
}
.about-split-content {
    flex: 12;
    padding: 60px;
}
.about-split-content h2 {
    color: var(--cls-white);
    font-size: 2.2rem;
    margin-bottom: 25px;
}
.highlighted-pistachio-text {
    color: var(--cls-pistachio);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 400;
}
.about-split-media {
    flex: 10;
    background-size: cover;
    background-position: center;
    min-height: 450px;
}

/* ==========================================================================
   İLETİŞİM SAYFASI MODÜLLERİ (IDs)
   ========================================================================== */
#contact-page-main-layout {
    padding: 100px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.contact-glass-card {
    display: flex;
    width: 100%;
    max-width: 1200px;
    background: rgba(28, 31, 34, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    overflow: hidden;
}
.contact-card-info-pane {
    flex: 1;
    padding: 60px;
}
.contact-card-info-pane h2, .social-inner-headline {
    color: var(--cls-pistachio);
    font-size: 1.8rem;
    margin-bottom: 20px;
}
.contact-address-text {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}
.whatsapp-premium-redirect-btn {
    display: inline-block;
    color: var(--cls-white);
    text-decoration: none;
    padding: 14px 30px;
    border: 1px solid var(--cls-pistachio);
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-bottom: 40px;
}
.whatsapp-premium-redirect-btn:hover {
    background-color: var(--cls-pistachio);
    color: var(--cls-anthracite-base);
    box-shadow: 0 0 20px var(--cls-pistachio-glow);
}
.contact-embedded-socials {
    display: flex;
    gap: 15px;
}
.contact-card-map-pane {
    flex: 1;
    min-height: 500px;
    background: #151515;
}

/* ==========================================================================
   ADVANCED BORDER GRADIENT ANIMATIONS (GENEL EFEKTLER)
   ========================================================================== */
/* Fıstık Yeşili & Beyaz Döngülü Çerçeve */
.animated-border-green {
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.1));
    background-size: 200% 200%;
}
.animated-border-green:hover {
    background: linear-gradient(135deg, var(--cls-white) 0%, var(--cls-pistachio) 50%, var(--cls-white) 100%);
    background-size: 200% 200%;
    animation: border-movement-dance 1.5s infinite linear;
}

/* Beyaz & Yeşil Karışım Çerçeve */
.animated-border-mix {
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border 0.6s ease;
}
.animated-border-mix:hover {
    border-image: linear-gradient(to right, var(--cls-white), var(--cls-pistachio)) 1;
}

/* Hizmet Kutuları Çerçeve Efekti */
.border-glow-effect {
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.4s var(--cls-animation-speed);
}
.border-glow-effect:hover {
    border-color: var(--cls-pistachio);
    box-shadow: 0 0 25px var(--cls-pistachio-glow);
}

/* Hakkımızda Sayfası Beyaz & Mavi Geçiş Çerçevesi */
.animated-border-blue-white {
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.6s var(--cls-animation-speed);
}
.animated-border-blue-white:hover {
    border-image: linear-gradient(135deg, #3498db, var(--cls-white)) 1;
}

@keyframes border-movement-dance {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ==========================================================================
   GLOBAL FOOTER DESIGN
   ========================================================================== */
#global-footer {
    background-color: var(--cls-pistachio);
    color: var(--cls-white);
    padding: 80px 60px 30px;
}
.footer-main-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-logo-text {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
}
.footer-contact-item {
    font-size: 15px;
    margin-bottom: 12px;
    font-weight: 500;
    max-width: 400px;
    line-height: 1.6;
}
.footer-tel-link {
    color: var(--cls-white);
    text-decoration: none;
    font-weight: 700;
}
.footer-social-column {
    display: flex;
    gap: 15px;
}
.social-interactive-icon {
    position: relative;
    width: 46px;
    height: 46px;
    background-color: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 50%;
    color: var(--cls-anthracite-base); /* Başlangıçta renksiz antrasit tonu */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: all 0.4s var(--cls-animation-speed);
}
.social-interactive-icon svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 2;
}

/* Markaların Asıl Renk Kodları Geçişleri */
.social-interactive-icon[data-brand="facebook"]:hover { color: #1877F2; border-color: #1877F2; background: var(--cls-white); }
.social-interactive-icon[data-brand="instagram"]:hover { color: #E4405F; border-color: #E4405F; background: var(--cls-white); }
.social-interactive-icon[data-brand="tiktok"]:hover { color: #000000; border-color: #000000; background: var(--cls-white); }

.footer-copyright-zone {
    max-width: 1400px;
    margin: 60px auto 0;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBİL UYUM & HAMBURGER HAMLELERİ)
   ========================================================================== */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}
.mobile-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--cls-white);
    transition: 0.3s ease;
}

@media (max-width: 1024px) {
    .catalog-products-grid { grid-template-columns: repeat(3, 1fr); }
    .premium-card { min-width: calc(50% - 15px); }
}

@media (max-width: 768px) {
    #global-header { padding: 20px 30px; }
    .mobile-toggle { display: flex; }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--cls-anthracite-base);
        padding: 30px;
        gap: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .nav-menu.mobile-active { display: flex; }
    .nav-link { width: 100%; text-align: center; }
    
    .services-premium-grid, .about-premium-split-card, .contact-glass-card, .footer-main-grid {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
    .catalog-products-grid { grid-template-columns: repeat(2, 1fr); }
    .premium-card { min-width: 100%; }
    .footer-main-grid { text-align: center; align-items: center; gap: 40px; }
}