/* ==========================================================================
   ADA ARAŞTIRMA - SADE KURUMSAL EDİTÖRYAL STİL
   Renk Paleti: Vişne (#B51225 / #8D0E1C), Koyu Antrasit (#141619), Kurumsal Gri (#EDF1F5 / #F4F6F9)
   Sunum ve Katalog Referansına Birebir Sadık Temiz Tasarım
   ========================================================================== */

:root {
    /* Renk Tanımlamaları */
    --visne-primary: #B51225;
    --visne-dark: #820D1A;
    --visne-light: #E02339;
    --visne-soft: rgba(181, 18, 37, 0.08);

    --dark-primary: #14171A;
    --dark-secondary: #21262D;
    --dark-card: #282E36;
    --dark-text: #16181B;

    --grey-bg-light: #F4F6F9;
    --grey-bg-soft: #EAEEF3;
    --grey-border: #DDE2E8;
    --grey-text: #505A66;
    --grey-muted: #8895A5;

    --white: #FFFFFF;

    /* Fontlar */
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-tech: 'Space Grotesk', monospace;

    /* Gölgeler & Yuvarlaklık */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    --shadow-visne: 0 10px 30px rgba(181, 18, 37, 0.28);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 30px;

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--white);
    color: var(--dark-text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   TOPBAR
   ========================================================================== */
.topbar {
    background-color: var(--dark-primary);
    color: #A0ABB8;
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar-left {
    display: flex;
    align-items: center;
    gap: 22px;
}

.topbar-left span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-left i {
    color: var(--visne-light);
    font-size: 0.85rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.standards-pill {
    background: rgba(181, 18, 37, 0.18);
    color: #FFB3BA;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(224, 35, 57, 0.3);
}

.topbar-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-social a {
    color: #A0ABB8;
    font-size: 0.85rem;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.topbar-social a:hover {
    color: var(--white);
    background: var(--visne-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVBAR (DÜZELTİLMİŞ TEMİZ YATAY HİZALAMA)
   ========================================================================== */
.main-header {
    background: #FFFFFF;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid var(--grey-border);
    transition: var(--transition);
}

.main-header.scrolled {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
}

.brand-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-weight: 600;
    font-size: 0.94rem;
    color: var(--dark-secondary);
    padding: 8px 0;
    position: relative;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--visne-primary);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--visne-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--grey-border);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

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

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark-secondary);
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.dropdown-menu a i {
    color: var(--visne-primary);
    font-size: 0.9rem;
    width: 18px;
}

.dropdown-menu a:hover {
    background-color: var(--visne-soft);
    color: var(--visne-primary);
    transform: translateX(4px);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.btn-primary-visne {
    background: linear-gradient(135deg, var(--visne-primary) 0%, var(--visne-dark) 100%);
    color: var(--white);
    font-weight: 700;
    font-size: 0.90rem;
    padding: 11px 24px;
    border-radius: var(--radius-xl);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-visne);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary-visne:hover {
    background: linear-gradient(135deg, var(--visne-light) 0%, var(--visne-primary) 100%);
    transform: translateY(-2px);
    color: var(--white);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    height: 3px;
    width: 100%;
    background-color: var(--dark-primary);
    border-radius: 3px;
}

/* ==========================================================================
   1. HERO SLIDER SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 75px 0 95px;
    background: linear-gradient(145deg, #F5F7FA 0%, #E3E8EE 50%, #D8DFE7 100%);
    overflow: hidden;
    border-bottom: 1px solid var(--grey-border);
}

.hero-poly-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

#polyCanvas {
    width: 100%;
    height: 100%;
    display: block;
    opacity: 0.65;
}

.hero-overlay-grid {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(181, 18, 37, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(20, 23, 26, 0.05) 0%, transparent 45%);
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    padding: 7px 18px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--grey-border);
    box-shadow: var(--shadow-sm);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark-secondary);
    margin-bottom: 22px;
}

.badge-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--visne-primary);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(181, 18, 37, 0.5); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(181, 18, 37, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(181, 18, 37, 0); }
}

.hero-title {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.12;
    color: var(--dark-primary);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.highlight-visne {
    color: var(--visne-primary);
    display: inline-block;
}

.hero-desc {
    font-size: 1.08rem;
    color: var(--grey-text);
    margin-bottom: 32px;
    max-width: 560px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 44px;
}

.btn-visne-solid {
    background: linear-gradient(135deg, var(--visne-primary) 0%, var(--visne-dark) 100%);
    color: var(--white);
    font-weight: 700;
    font-size: 0.98rem;
    padding: 15px 30px;
    border-radius: var(--radius-xl);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-visne);
    border: none;
    cursor: pointer;
}

.btn-visne-solid:hover {
    background: linear-gradient(135deg, var(--visne-light) 0%, var(--visne-primary) 100%);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-outline-dark {
    background: var(--white);
    color: var(--dark-primary);
    font-weight: 700;
    font-size: 0.98rem;
    padding: 15px 26px;
    border-radius: var(--radius-xl);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--grey-border);
    box-shadow: var(--shadow-sm);
}

.btn-outline-dark:hover {
    background: var(--dark-primary);
    color: var(--white);
    border-color: var(--dark-primary);
}

.hero-metrics {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--grey-border);
    border-radius: var(--radius-lg);
    padding: 18px 24px;
    box-shadow: var(--shadow-md);
    max-width: 600px;
}

.metric-item {
    flex: 1;
}

.metric-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark-primary);
    font-family: var(--font-tech);
    line-height: 1.1;
}

.metric-label {
    font-size: 0.74rem;
    color: var(--grey-text);
    font-weight: 600;
    margin-top: 4px;
}

.metric-divider {
    width: 1px;
    height: 38px;
    background: var(--grey-border);
    margin: 0 16px;
}

.card-geometric-frame {
    position: relative;
    border-radius: var(--radius-lg);
}

.hero-geo-img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 4px solid var(--white);
    box-shadow: 0 20px 45px rgba(20, 23, 26, 0.15);
    display: block;
}

.geo-floating-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(221, 227, 234, 0.9);
    padding: 11px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 5;
}

.geo-floating-badge i {
    font-size: 1.3rem;
    color: var(--visne-primary);
    background: var(--visne-soft);
    padding: 9px;
    border-radius: var(--radius-sm);
}

.geo-floating-badge strong {
    display: block;
    font-size: 0.85rem;
    color: var(--dark-primary);
}

.geo-floating-badge span {
    font-size: 0.72rem;
    color: var(--grey-text);
}

.badge-top {
    top: -20px;
    right: -16px;
}

.badge-bottom {
    bottom: -20px;
    left: -16px;
}

/* ==========================================================================
   EDİTÖRYAL KURUMSAL SUNUM MODÜLLERİ (KUTUSUZ, TEMİZ DÜZEN)
   ========================================================================== */
.editorial-section {
    padding: 85px 0 65px;
    position: relative;
}

.editorial-section.bg-light {
    background-color: var(--grey-bg-light);
}

.editorial-section.bg-white {
    background-color: var(--white);
}

.editorial-split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 55px;
    align-items: center;
    margin-bottom: 40px;
}

/* Ortalanmış Başlıklar ve Çizgiler */
.section-title-clean {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 25px;
    text-align: center;
}

.section-title-clean .cat-red {
    color: var(--visne-primary);
}

.section-title-clean .cat-dark {
    color: var(--dark-primary);
}

.section-title-clean small {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--grey-muted);
}

.heading-accent-bar.center {
    width: 65px;
    height: 4px;
    background: var(--visne-primary);
    margin: 14px auto 20px;
    border-radius: 2px;
}

.section-lead-clean {
    font-size: 1.05rem;
    color: var(--grey-text);
    max-width: 760px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

.catalog-lead {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark-secondary);
    line-height: 1.65;
    margin-bottom: 16px;
}

.catalog-body {
    font-size: 0.98rem;
    color: var(--grey-text);
    line-height: 1.75;
    margin-bottom: 26px;
}

.catalog-keypoints {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.kp-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark-secondary);
}

.kp-item i {
    color: var(--visne-primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.visual-clean-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.team-slide-img, .skyline-slide-img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.slide-logo-divider {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.divider-logo-img {
    height: 28px;
    width: auto;
    opacity: 0.75;
    filter: grayscale(1);
    transition: var(--transition);
}

.divider-logo-img:hover {
    opacity: 1;
    filter: none;
}

.catalog-metrics-row {
    display: flex;
    gap: 24px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--grey-border);
}

.cm-box strong {
    display: block;
    font-size: 1.8rem;
    font-family: var(--font-tech);
    color: var(--visne-primary);
    line-height: 1.1;
}

.cm-box span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--grey-text);
}

/* ==========================================================================
   4. MODÜL: KALİTATİF YÖNTEMLER DİYAGRAMI
   ========================================================================== */
.kalitatif-diagram-wrapper {
    position: relative;
    max-width: 900px;
    margin: 35px auto 45px;
    padding: 10px;
}

.kd-center-hub {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--visne-primary);
    box-shadow: 0 10px 30px rgba(181, 18, 37, 0.15);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 18px;
    z-index: 10;
    position: relative;
}

.hub-logo {
    height: 30px;
    width: auto;
    margin-bottom: 8px;
}

.kd-center-hub h4 {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--dark-primary);
    line-height: 1.2;
}

.kd-center-hub span {
    font-size: 0.72rem;
    color: var(--visne-primary);
    font-weight: 700;
    margin-top: 4px;
    text-transform: uppercase;
}

.kd-branches-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-top: 36px;
}

.branch-bubble {
    background: var(--white);
    border-left: 4px solid var(--visne-primary);
    padding: 22px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border-top: 1px solid var(--grey-border);
    border-right: 1px solid var(--grey-border);
    border-bottom: 1px solid var(--grey-border);
    transition: var(--transition);
}

.branch-bubble:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.bubble-icon-area {
    font-size: 1.6rem;
    color: var(--visne-primary);
    margin-bottom: 12px;
}

.bubble-content h5 {
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--dark-primary);
    margin-bottom: 8px;
}

.bubble-content p {
    font-size: 0.88rem;
    color: var(--grey-text);
    line-height: 1.55;
}

.kantitatif-strip {
    display: flex;
    align-items: center;
    background: var(--white);
    padding: 30px 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--grey-border);
    margin-top: 35px;
}

.ks-col {
    flex: 1;
}

.ks-tag {
    font-size: 0.72rem;
    font-weight: 800;
    background: var(--visne-soft);
    color: var(--visne-primary);
    padding: 3px 10px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 8px;
}

.ks-col h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark-primary);
    margin-bottom: 8px;
}

.ks-col p {
    font-size: 0.92rem;
    color: var(--grey-text);
    line-height: 1.6;
}

.ks-divider {
    width: 1px;
    height: 80px;
    background: var(--grey-border);
    margin: 0 35px;
}

/* ==========================================================================
   5. MODÜL: FİRMA ALTYAPISI & TÜRKİYE HARİTASI (TEMİZ PNG GİBİ GÖLGELİ)
   ========================================================================== */
.turkey-map-container-clean {
    max-width: 980px;
    margin: 15px auto 35px;
    text-align: center;
    background: transparent;
}

.turkey-map-img-clean {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.08));
}

.map-ribbon-banner {
    background: var(--dark-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 22px 35px;
    display: flex;
    align-items: center;
    gap: 22px;
    max-width: 980px;
    margin: 0 auto;
    border-left: 6px solid var(--visne-primary);
}

.ribbon-icon {
    font-size: 2.2rem;
    color: #FF5266;
    flex-shrink: 0;
}

.ribbon-text strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    margin-bottom: 4px;
}

.ribbon-text span {
    font-size: 0.88rem;
    color: #A0ABB8;
}

/* ==========================================================================
   6. MODÜL: NEDEN ARAŞTIRMA?
   ========================================================================== */
.reason-checklist {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.rc-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.rc-bullet {
    font-family: var(--font-tech);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--visne-primary);
    background: var(--visne-soft);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.rc-item h6 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-primary);
    margin-bottom: 2px;
}

.rc-item p {
    font-size: 0.88rem;
    color: var(--grey-text);
}

.why-graphic-card {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-nodes-visual {
    position: relative;
    width: 360px;
    height: 360px;
    background: var(--white);
    border-radius: 50%;
    border: 1px solid var(--grey-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.satellite-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.center-node {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--dark-primary);
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.center-node i {
    font-size: 1.8rem;
    color: #FF5266;
    margin-bottom: 6px;
}

.center-node span {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.node-satellite {
    position: absolute;
    width: 82px;
    height: 82px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--visne-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 5;
    box-shadow: var(--shadow-sm);
}

.node-satellite i {
    font-size: 1.2rem;
    color: var(--visne-primary);
    margin-bottom: 4px;
}

.node-satellite span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--dark-primary);
}

.sat-1 { top: 20px; left: 20px; }
.sat-2 { top: 20px; right: 20px; }
.sat-3 { bottom: 20px; left: 20px; }
.sat-4 { bottom: 20px; right: 20px; }

/* ==========================================================================
   7. MODÜL: ULUSAL VE ULUSLARARASI STANDARTLAR (DİNAMİK LOGOLAR)
   ========================================================================== */
.standards-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
    justify-content: center;
    max-width: 1050px;
    margin: 40px auto 20px;
    padding: 30px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--grey-border);
}

.standard-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    text-align: center;
    transition: var(--transition);
}

.standard-logo-item:hover {
    transform: translateY(-4px);
}

.standard-logo-img {
    max-height: 80px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.04));
    transition: var(--transition);
}

.standard-logo-item:hover .standard-logo-img {
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.1));
}

.standard-caption {
    margin-top: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--grey-text);
}

/* ==========================================================================
   8. MODÜL: REFERANSLAR (6'LI DİZİLİM & BÜYÜTÜLMÜŞ NET LOGOLAR)
   ========================================================================== */
.references-logo-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px 24px;
    align-items: center;
    justify-items: center;
    max-width: 1280px;
    margin: 45px auto 35px;
    padding: 45px 30px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--grey-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.ref-logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100px;
    padding: 10px 12px;
    transition: var(--transition);
}

.ref-logo-card:hover {
    transform: translateY(-4px);
}

.ref-logo-img {
    max-width: 100%;
    max-height: 85px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: contrast(102%);
}

.ref-logo-card:hover .ref-logo-img {
    transform: scale(1.06);
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.12));
}

@media (max-width: 1200px) {
    .references-logo-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 26px 20px;
        padding: 35px 24px;
    }
    .ref-logo-card {
        height: 90px;
    }
    .ref-logo-img {
        max-height: 75px;
    }
}

@media (max-width: 768px) {
    .references-logo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px 14px;
        padding: 24px 16px;
    }
    .ref-logo-card {
        height: 75px;
        padding: 6px;
    }
    .ref-logo-img {
        max-height: 60px;
    }
}

.center-notice {
    max-width: 800px;
    margin: 20px auto 0;
    justify-content: center;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border: 1px dashed var(--visne-primary);
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--dark-secondary);
}

.center-notice i {
    color: var(--visne-primary);
}

/* ==========================================================================
   9. MODÜL: İLETİŞİM & FOOTER (TRANSPARAN ŞEHİR GÖRSELLİ)
   ========================================================================== */
.transparent-image-footer {
    position: relative;
    background-image: url('../images/footer-bg.jpg');
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 90px 0 35px;
    overflow: hidden;
}

.footer-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 16, 22, 0.88) 0%, rgba(8, 10, 14, 0.94) 100%);
    z-index: 1;
}

.footer-content-container {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-map-pin {
    margin-bottom: 24px;
}

.pin-circle {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--visne-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
    box-shadow: 0 0 0 10px rgba(181, 18, 37, 0.25), 0 10px 25px rgba(0, 0, 0, 0.4);
    animation: pinPulse 2.5s infinite;
}

@keyframes pinPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(181, 18, 37, 0.5); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 16px rgba(181, 18, 37, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(181, 18, 37, 0); }
}

.footer-company-name {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--white);
    margin-bottom: 8px;
}

.footer-address-line {
    font-size: 1.15rem;
    color: #D2DCE8;
    margin-bottom: 16px;
    font-weight: 500;
}

.footer-contact-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.96rem;
    color: #A6B7CC;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.footer-contact-row i {
    color: #FF5266;
    margin-right: 6px;
}

.contact-sep {
    color: rgba(255, 255, 255, 0.2);
}

.footer-action-area {
    margin-bottom: 45px;
}

.footer-brand-bottom {
    margin-bottom: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 600px;
}

.footer-white-logo {
    height: 48px;
    width: auto;
    margin: 0 auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-bottom-legal {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    font-size: 0.8rem;
    color: #7B8B9E;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: #7B8B9E;
}

.legal-links a:hover {
    color: var(--white);
}

/* Modal Formu */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 13, 17, 0.75);
    backdrop-filter: blur(6px);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 540px;
    padding: 36px 32px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--grey-text);
    cursor: pointer;
}

.modal-header {
    margin-bottom: 22px;
}

.modal-header h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark-primary);
}

.modal-header p {
    font-size: 0.88rem;
    color: var(--grey-text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark-secondary);
    margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--grey-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.9rem;
    color: var(--dark-primary);
    background: #FAFBFC;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--visne-primary);
    background: var(--white);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 14px;
}

/* CMS Hazırlığı Bilgi Rozeti */
.admin-preview-floating {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(20, 23, 26, 0.95);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 9999;
    backdrop-filter: blur(8px);
}

.apf-badge {
    background: var(--visne-primary);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.apf-text {
    font-size: 0.82rem;
    color: #E2E8F0;
    font-weight: 500;
}

/* ==========================================================================
   ARAŞTIRMA SONUÇLARI & BASINDA BİZ MODÜLLERİ (EDİTÖRYAL DÜZEN)
   ========================================================================== */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.research-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid var(--grey-border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.research-card-img-wrap {
    position: relative;
    height: 220px;
    background: #111317;
    overflow: hidden;
}

.research-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.research-card:hover .research-card-img {
    transform: scale(1.04);
}

.research-category-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--dark-primary);
    color: #FFFFFF;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 4px;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.research-body {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.research-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--grey-muted);
    margin-bottom: 10px;
}

.research-sample-pill {
    background: var(--visne-soft);
    color: var(--visne-primary);
    font-weight: 700;
    font-size: 0.74rem;
    padding: 2px 8px;
    border-radius: 4px;
}

.research-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--dark-primary);
    line-height: 1.4;
    margin-bottom: 12px;
}

.research-summary {
    font-size: 0.88rem;
    color: var(--grey-text);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.research-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--grey-border);
    padding-top: 16px;
}

.btn-report-download {
    color: var(--visne-primary);
    font-weight: 700;
    font-size: 0.84rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-report-download:hover {
    color: var(--visne-dark);
    text-decoration: underline;
}

/* Basında Biz List & Grid */
.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.press-item-card {
    background: #FFFFFF;
    border: 1px solid var(--grey-border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.press-item-card:hover {
    border-color: var(--visne-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-3px);
}

.press-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.press-media-tag {
    background: var(--visne-soft);
    color: var(--visne-primary);
    font-weight: 800;
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
}

.press-date {
    font-size: 0.8rem;
    color: var(--grey-muted);
}

.press-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark-primary);
    line-height: 1.45;
    margin-bottom: 12px;
}

.press-summary {
    font-size: 0.86rem;
    color: var(--grey-text);
    line-height: 1.55;
    margin-bottom: 18px;
}

.press-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--visne-primary);
}

.press-link-btn:hover {
    color: var(--visne-dark);
}

/* ==========================================================================
   RESPONSIVE UYUMLULUK
   ========================================================================== */
@media (max-width: 1024px) {
    .research-grid {
        grid-template-columns: 1fr;
    }
    .press-grid {
        grid-template-columns: 1fr;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-desc {
        margin: 0 auto 32px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-metrics {
        margin: 0 auto;
    }
    .editorial-split {
        grid-template-columns: 1fr;
    }
    .kd-branches-grid {
        grid-template-columns: 1fr;
    }
    .kantitatif-strip {
        flex-direction: column;
        gap: 20px;
    }
    .ks-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .topbar {
        display: none;
    }
    .nav-menu {
        position: fixed;
        top: 82px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 82px);
        background: var(--white);
        padding: 30px;
        transition: var(--transition);
        overflow-y: auto;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }
    .mobile-toggle {
        display: flex;
    }
    .hero-title {
        font-size: 2.4rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-bottom-legal {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .admin-preview-floating {
        display: none;
    }
}