/**
 * CFY Mühendislik - Alçıpan Profilleri Master CSS
 * Kural 8, 49 (Sıfır CDN Zorunluluğu) & Master Architecture §11
 */

:root {
    --bg-primary: #0a0b0d;
    --bg-secondary: #121418;
    --bg-card: #181b20;
    --bg-card-hover: #1f232a;
    --accent-gold: #f2b705;
    --accent-gold-hover: #d9a404;
    --accent-gold-glow: rgba(242, 183, 5, 0.25);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(242, 183, 5, 0.35);
    --whatsapp-green: #25d366;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.25;
}

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

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--accent-gold);
    color: #000;
    font-weight: 700;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.btn-primary:hover {
    background: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-gold-glow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: transparent;
    color: var(--text-main);
    font-weight: 600;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}
.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: rgba(242, 183, 5, 0.05);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--whatsapp-green);
    color: #fff;
    font-weight: 700;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
}
.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 11, 13, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.35rem 0;
}

.nav-container {
    max-width: 1650px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: nowrap;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}
.brand-logo span {
    color: var(--accent-gold);
    font-weight: 400;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    list-style: none;
    flex-wrap: nowrap;
    white-space: nowrap;
    margin: 0;
    padding: 0;
}
.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.25rem 0.15rem;
    position: relative;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Dropdown Menu Styles */
.nav-item-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}
.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.nav-item-dropdown:hover .dropdown-toggle svg {
    transform: rotate(180deg);
    color: var(--accent-gold);
}
.dropdown-toggle svg {
    transition: transform 0.3s ease;
}
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 15px);
    left: -15px;
    background: rgba(18, 20, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 280px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.8rem 0;
    z-index: 1000;
}
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    width: 100%;
    height: 15px;
}
.nav-item-dropdown:hover .dropdown-menu {
    display: block;
    animation: fadeIn 0.25s ease-out;
}
.dropdown-menu a {
    color: var(--text-muted);
    padding: 0.7rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.dropdown-menu a:hover {
    background: rgba(242, 183, 5, 0.08);
    color: #fff;
    border-left-color: var(--accent-gold);
    padding-left: 1.8rem;
}
.dropdown-menu span.badge {
    font-size: 0.72rem;
    background: rgba(242, 183, 5, 0.15);
    color: var(--accent-gold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 700;
    border: 1px solid rgba(242, 183, 5, 0.3);
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Hamburger */
.mobile-btn {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* Off-canvas Menu (Kural 36: Sağdan kayan %80 max 320px) */
.offcanvas-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.offcanvas-overlay.active {
    opacity: 1;
    visibility: visible;
}

.offcanvas-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 9999;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.offcanvas-panel.active {
    transform: translateX(0);
}

.offcanvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.offcanvas-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.offcanvas-body {
    padding: 1.5rem 0;
    flex: 1;
}
.offcanvas-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    color: var(--text-muted);
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.offcanvas-link svg {
    flex-shrink: 0;
    transition: transform 0.2s ease, stroke 0.2s ease;
}
.offcanvas-link:hover, .offcanvas-link.active {
    color: #fff;
    background: rgba(242, 183, 5, 0.05);
    border-left-color: var(--accent-gold);
}
.offcanvas-link:hover svg, .offcanvas-link.active svg {
    stroke: var(--accent-gold);
    transform: scale(1.1);
}

.offcanvas-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Breadcrumb (Kural 15) */
.breadcrumb-nav {
    padding: 4.2rem 0 0.6rem;
    font-size: 0.85rem;
    color: var(--text-subtle);
}
.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}
.breadcrumb-item a {
    color: var(--text-muted);
}
.breadcrumb-item a:hover {
    color: var(--accent-gold);
}
.breadcrumb-separator {
    color: var(--text-subtle);
}
.breadcrumb-current {
    color: var(--text-main);
    font-weight: 600;
}

/* Quick Info Card (Kural 25) */
.quick-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
}
.quick-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.quick-info-label {
    font-size: 0.8rem;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.quick-info-val {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-gold);
}

/* Accordion FAQ (Kural 12: Min 5 SSS) */
.faq-section {
    margin: 3rem 0 1.5rem;
}
.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}
.faq-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.faq-card[open] {
    border-color: var(--border-accent);
}
.faq-summary {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.faq-summary::-webkit-details-marker {
    display: none;
}
.faq-icon {
    color: var(--accent-gold);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-card[open] .faq-icon {
    transform: rotate(45deg);
}
.faq-body {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* -------------------------------------------------------------
 * ORİJİNAL TASARIM & BİLEŞEN STİLLERİ (Master UI Suite)
 * ----------------------------------------------------------- */

/* Sayfa Hero & Header */
.page-header, .page-hero {
    padding: 100px 2rem 45px;
    text-align: center;
    background: url('../images/bg_hero.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}
.breadcrumb-nav + .page-hero,
.breadcrumb-nav + * .page-hero,
.breadcrumb-nav + .page-header {
    padding-top: 35px;
}
.page-header::before, .page-hero::before {
    content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
    width: 800px; height: 800px; background: radial-gradient(circle, rgba(242, 183, 5, 0.12) 0%, transparent 60%);
    z-index: 1; pointer-events: none;
}
.page-header::after, .page-hero::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(10, 11, 13, 0.65) 0%, rgba(10, 11, 13, 1) 100%);
    z-index: 0;
}
.page-header h1, .page-header p, .page-hero h1, .page-hero p, .page-header > div, .page-hero > div {
    position: relative; z-index: 2;
}
.page-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.page-title span { color: var(--accent-gold); }
.page-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.65;
}

/* Arama Çubuğu */
.header-search-bar {
    max-width: 540px;
    margin: 2rem auto 0;
    position: relative;
    z-index: 2;
}
.header-search-input {
    width: 100%;
    padding: 1rem 1.5rem 1rem 3.2rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(18, 19, 21, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}
.header-search-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(242, 183, 5, 0.15);
}
.header-search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-muted);
}

/* Ürün Kataloğu & Kartları */
.category-section { margin-top: 3.5rem; }
.category-header {
    font-size: 1.8rem;
    color: #fff;
    border-bottom: 1px solid rgba(242, 183, 5, 0.25);
    padding-bottom: 0.6rem;
    margin-bottom: 1.8rem;
    display: inline-block;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.5rem;
}
@media (max-width: 540px) {
    .grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.4rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, rgba(242, 183, 5, 0.1) 0%, transparent 60%);
    opacity: 0; transition: var(--transition);
    pointer-events: none !important;
    z-index: 0;
}
.card:hover {
    transform: translateY(-4px);
    border-color: rgba(242, 183, 5, 0.45);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}
.card:hover::before { opacity: 1; }
.card > * {
    position: relative;
    z-index: 1;
}
.card a, .card button, .card .btn-outline {
    position: relative;
    z-index: 5;
    cursor: pointer;
}
.card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    line-height: 1.35;
    font-weight: 600;
    color: #fff;
}
.card-img-container {
    height: 160px;
    width: calc(100% + 2.8rem);
    margin: -1.4rem -1.4rem 1rem -1.4rem;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border-color);
}
.card-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}
.card-action {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}
.card:hover .card-action {
    color: var(--accent-gold);
}

/* Ürün Detay Sayfası */
.product-layout {
    max-width: 1400px;
    margin: 2rem auto 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}
@media (max-width: 960px) {
    .product-layout { grid-template-columns: 1fr; gap: 2rem; }
}
.product-image-area {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.product-image-area::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle, rgba(242, 183, 5, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.product-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    background: rgba(242, 183, 5, 0.1);
    color: var(--accent-gold);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-accent);
}
.product-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    line-height: 1.15;
    color: #fff;
}
.product-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.spec-item {
    border-left: 2px solid var(--accent-gold);
    padding-left: 1rem;
}
.spec-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.spec-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}
.variation-select {
    width: 100%;
    max-width: 400px;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: #1a1d22;
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1.8rem;
    font-family: inherit;
}
.variation-select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

/* Hotspot Görsel Proje Asistanı */
.hotspot-section { padding: 4rem 2rem 2rem; max-width: 1400px; margin: 0 auto; }
.hotspot-container {
    position: relative; max-width: 100%; margin: 0 auto; border-radius: 24px;
    overflow: hidden; border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
    aspect-ratio: 24 / 9;
}
.hotspot-bg { 
    width: 100%; height: 100%; object-fit: cover; object-position: center; 
    display: block; filter: brightness(0.65) contrast(1.15); transition: 0.5s; 
}
.hotspot-container:hover .hotspot-bg { filter: brightness(0.5) contrast(1.15); }
.hotspot-point {
    position: absolute; z-index: 10; display: flex; align-items: center; justify-content: center;
    cursor: pointer;
}
.hotspot-dot {
    width: 24px; height: 24px; background: var(--accent-gold); border-radius: 50%;
    border: 3px solid #fff; box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    transition: 0.3s; position: relative; z-index: 2;
}
.hotspot-pulse {
    position: absolute; width: 60px; height: 60px; background: rgba(242, 183, 5, 0.4);
    border-radius: 50%; z-index: 1; animation: hotspotPulse 2s infinite; pointer-events: none;
}
@keyframes hotspotPulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}
.hotspot-point:hover .hotspot-dot { transform: scale(1.2); background: #fff; border-color: var(--accent-gold); }
.hotspot-tooltip {
    position: absolute; background: rgba(18, 19, 21, 0.95);
    border: 1px solid rgba(242,183,5,0.3); border-radius: 16px; padding: 1.5rem; width: 280px;
    opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6); backdrop-filter: blur(10px); z-index: 20;
}
.hotspot-tooltip::before {
    content: ''; position: absolute; width: 16px; height: 16px;
    background: rgba(18, 19, 21, 0.95);
}
.tooltip-bottom { top: 100%; left: 50%; transform: translateX(-50%) translateY(15px); }
.tooltip-bottom::before {
    top: -8px; left: 50%; transform: translateX(-50%) rotate(45deg);
    border-left: 1px solid rgba(242,183,5,0.3); border-top: 1px solid rgba(242,183,5,0.3);
}
.hotspot-point:hover .tooltip-bottom { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(25px); }
.tooltip-right { left: 100%; top: 50%; transform: translateY(-50%) translateX(15px); }
.tooltip-right::before {
    top: 50%; left: -8px; transform: translateY(-50%) rotate(-45deg);
    border-bottom: 1px solid rgba(242,183,5,0.3); border-left: 1px solid rgba(242,183,5,0.3);
}
.hotspot-point:hover .tooltip-right { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(25px); }
.tooltip-left { right: 100%; top: 50%; transform: translateY(-50%) translateX(-15px); }
.tooltip-left::before {
    top: 50%; right: -8px; transform: translateY(-50%) rotate(135deg);
    border-bottom: 1px solid rgba(242,183,5,0.3); border-left: 1px solid rgba(242,183,5,0.3);
}
.hotspot-point:hover .tooltip-left { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(-25px); }
.hotspot-tooltip h4 { color: #fff; font-size: 1.15rem; margin-bottom: 0.5rem; }
.hotspot-tooltip p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1.2rem; line-height: 1.5; }
.btn-hotspot {
    display: block; background: var(--accent-gold); color: #000; padding: 0.8rem;
    border-radius: 8px; font-weight: 700; text-decoration: none; font-size: 0.95rem; text-align: center;
    transition: var(--transition);
}
.btn-hotspot:hover { background: var(--accent-gold-hover); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(242,183,5,0.3); }

@media (max-width: 900px) {
    .hotspot-container { aspect-ratio: auto; padding-bottom: 2rem; background:transparent; border:none; box-shadow:none; }
    .hotspot-point { position: static; margin-bottom: 1rem; }
    .hotspot-pulse, .hotspot-dot { display: none; }
    .hotspot-tooltip {
        position: static; opacity: 1; visibility: visible; transform: none !important;
        width: 100%; margin-top: 1rem; border-color: rgba(255,255,255,0.1); box-shadow: none;
    }
    .hotspot-tooltip::before { display: none; }
    .hotspot-bg { display: none; }
}

/* İstatistikler Bölümü */
.stats-section { max-width: 1400px; margin: 4rem auto 0; padding: 0 2rem; }
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
    background: linear-gradient(135deg, rgba(242, 183, 5, 0.08) 0%, rgba(18, 18, 18, 0.95) 100%);
    border: 1px solid rgba(242, 183, 5, 0.15); border-radius: 20px;
    padding: 3rem 2rem; text-align: center;
}
.stat-item { position: relative; }
.stat-item:not(:last-child)::after {
    content: ''; position: absolute; right: -1rem; top: 20%; height: 60%;
    width: 1px; background: rgba(255,255,255,0.08);
}
.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 800;
    color: var(--accent-gold); letter-spacing: -1px; line-height: 1.1; margin-bottom: 0.5rem;
}
.stat-label { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; }
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .stat-item:not(:last-child)::after { display: none; }
}

/* Nasıl Çalışıyoruz Süreç */
.process-section { max-width: 1400px; margin: 0 auto; padding: 5rem 2rem 3rem; }
.process-grid { display: flex; align-items: flex-start; justify-content: center; gap: 0; flex-wrap: wrap; }
.process-step {
    flex: 1; min-width: 200px; max-width: 280px; text-align: center;
    padding: 2rem 1.5rem; position: relative;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 16px; transition: var(--transition);
}
.process-step:hover {
    border-color: rgba(242, 183, 5, 0.3); transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}
.step-number {
    font-size: 3rem; font-weight: 900;
    color: rgba(242, 183, 5, 0.12); position: absolute; top: 0.5rem; right: 1rem; line-height: 1;
}
.step-icon {
    width: 56px; height: 56px; margin: 0 auto 1.5rem;
    background: rgba(242, 183, 5, 0.1); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-gold);
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 0.75rem; color: #fff; }
.process-step p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.process-connector {
    display: flex; align-items: center; justify-content: center;
    padding: 0.5rem; flex-shrink: 0; align-self: center;
}
@media (max-width: 768px) {
    .process-grid { flex-direction: column; align-items: center; }
    .process-connector { transform: rotate(90deg); }
    .process-step { max-width: 100%; width: 100%; }
}

/* Güven Rozetleri */
.trust-section { max-width: 1400px; margin: 0 auto; padding: 2rem 2rem 4rem; }
.trust-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.5rem; }
.trust-badge {
    display: flex; align-items: center; gap: 0.75rem;
    background: rgba(242, 183, 5, 0.04); border: 1px solid rgba(242, 183, 5, 0.12);
    border-radius: var(--radius-full); padding: 0.8rem 1.5rem;
    transition: var(--transition);
}
.trust-badge:hover {
    border-color: rgba(242, 183, 5, 0.3); background: rgba(242, 183, 5, 0.08);
    transform: translateY(-2px);
}
.trust-badge span { color: var(--text-muted); font-weight: 500; font-size: 0.9rem; white-space: nowrap; }

/* Lead Capture CTA Bölümü */
.cta-section { max-width: 1400px; margin: 0 auto; padding: 0 2rem 4rem; }
.cta-container {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem;
    background: linear-gradient(135deg, rgba(242, 183, 5, 0.06) 0%, rgba(18, 19, 21, 1) 70%);
    border: 1px solid rgba(242, 183, 5, 0.15); border-radius: 24px;
    padding: 4rem; position: relative; overflow: hidden;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: 2.4rem; margin-bottom: 1rem; line-height: 1.2; color: #fff; }
.cta-content h2 span { color: var(--accent-gold); }
.cta-content p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; line-height: 1.7; }
.cta-features { display: flex; flex-direction: column; gap: 1rem; }
.cta-feature {
    display: flex; align-items: center; gap: 0.75rem;
    color: var(--text-muted); font-size: 0.95rem;
}
.cta-feature svg { flex-shrink: 0; color: var(--accent-gold); }
.cta-form { position: relative; z-index: 2; }
.cta-form-card {
    background: rgba(10, 11, 13, 0.85); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 20px;
    padding: 2.5rem;
}
.cta-form-card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; color: #fff; }
.cta-form-card > p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }
.cta-input {
    width: 100%; padding: 1rem 1.2rem; border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.03);
    color: #fff; font-family: inherit; font-size: 1rem;
    margin-bottom: 1rem; transition: var(--transition);
}
.cta-input:focus { outline: none; border-color: var(--accent-gold); background: rgba(255,255,255,0.06); }
.cta-submit {
    width: 100%; padding: 1.1rem; border-radius: 12px; border: none;
    background: var(--accent-gold); color: #000; font-weight: 700;
    font-size: 1.05rem; cursor: pointer; font-family: inherit;
    transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 0.75rem;
}
.cta-submit:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(242, 183, 5, 0.25); background: var(--accent-gold-hover); }
@media (max-width: 900px) {
    .cta-container { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem; }
}

/* Markalar Kayan Bant */
.brands-section { max-width: 1400px; margin: 0 auto; padding: 0 2rem 4rem; text-align: center; }
.brands-section h3 {
    color: var(--text-muted); font-size: 1rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 2px; margin-bottom: 2rem;
}
.brands-strip {
    display: flex; gap: 3rem; overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}
.brands-track {
    display: flex; gap: 3rem; animation: brandScroll 30s linear infinite; flex-shrink: 0;
}
.brand-item {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.8rem 1.5rem; border-radius: 12px;
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
    white-space: nowrap; color: var(--text-muted); font-weight: 500; font-size: 0.95rem;
    transition: var(--transition);
}
.brand-item:hover { border-color: rgba(242,183,5,0.3); color: #fff; }
.brand-item svg { color: var(--accent-gold); }
@keyframes brandScroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-100% - 3rem)); }
}

/* Referanslar & Testimonials */
.refs-stats {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 3rem;
    background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 20px; padding: 3rem; margin-top: -30px; margin-bottom: 5rem;
    position: relative; z-index: 10;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.stat-box { text-align: center; }
.stat-num { font-size: 2.5rem; color: var(--accent-gold); font-weight: 700; margin-bottom: 0.5rem; }
.stat-text { color: var(--text-muted); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; }

.refs-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2.5rem;
}
.ref-card {
    background: var(--bg-card); border: 1px solid rgba(255,255,255,0.05); border-radius: 16px;
    overflow: hidden; transition: var(--transition);
    display: flex; flex-direction: column;
}
.ref-card:hover { border-color: var(--accent-gold); transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.ref-image {
    height: 220px; background-size: cover; background-position: center; background-repeat: no-repeat;
    border-bottom: 1px solid var(--border-color); position: relative;
}
.ref-image::after {
    content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 40%, rgba(18, 18, 18, 0.9) 100%);
    pointer-events: none;
}
.ref-content { padding: 1.5rem; flex: 1; display:flex; flex-direction: column; justify-content: space-between;}
.ref-content h3 { font-size: 1.25rem; margin-bottom: 0.75rem; color: #fff; }
.ref-content p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.5rem; }
.ref-meta { 
    display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.05); color: var(--accent-gold); font-weight: 600;
}

.testimonial-section {
    margin-top: 6rem; padding-top: 6rem; border-top: 1px solid rgba(255,255,255,0.05);
}
.testi-header { text-align: center; margin-bottom: 4rem; }
.testi-header h2 { font-size: 2.5rem; color: #fff; margin-bottom: 1rem; }
.testi-header span { color: var(--accent-gold); }
.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.testi-card {
    background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px; padding: 2.5rem; position: relative;
}
.testi-card > svg.quote-icon { position: absolute; top: 1.5rem; left: 2rem; width: 45px; height: 45px; color: rgba(242,183,5,0.1); z-index: 1; }
.testi-text { font-size: 1.05rem; color: #cfd4dd; line-height: 1.7; font-style: italic; margin-bottom: 2rem; position: relative; z-index: 2; }
.testi-author { display: flex; align-items: center; gap: 1rem; position: relative; z-index: 2; }
.testi-avatar { width: 50px; height: 50px; border-radius: 50%; background: var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-muted); }
.testi-info h4 { color: #fff; font-size: 1.1rem; margin-bottom: 0.2rem; }
.testi-info p { color: var(--accent-gold); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; }

/* Kadromuz & Yönetim (Kuruys Style) */
.kuruys-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
    margin-top: 2rem;
}
@media (max-width: 1200px) { .kuruys-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; } }
@media (max-width: 600px) { .kuruys-grid { grid-template-columns: 1fr; } }
.kuruys-card {
    border-radius: 16px; overflow: hidden; display: flex; flex-direction: column;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2); transition: transform 0.3s ease;
    height: 100%; border: 1px solid var(--border-color);
}
.kuruys-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.4); border-color: var(--accent-gold); }
.kuruys-top {
    background: #11141b;
    padding: 2.5rem 1.5rem 1.5rem; text-align: center;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
    min-height: 220px;
}
.kuruys-avatar {
    width: 80px; height: 80px; border-radius: 50%; background: var(--accent-gold);
    display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;
    color: #11141b;
}
.kuruys-avatar svg { width: 36px; height: 36px; }
.kuruys-name { color: #fff; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.kuruys-role { color: var(--accent-gold); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.kuruys-bottom {
    padding: 2rem 1.5rem; text-align: center; display: flex; flex-direction: column; flex-grow: 1;
    justify-content: space-between; background: #161a23;
}
.kuruys-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.5rem; }
.kuruys-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.kuruys-card .tag {
    padding: 0.4rem 0.8rem; border-radius: 50px; font-size: 0.75rem;
    background: rgba(255,255,255,0.05); color: #fff; border: 1px solid rgba(255,255,255,0.1);
}
.reach-link {
    font-weight: 700; font-size: 0.9rem; text-decoration: none;
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    color: var(--accent-gold); transition: 0.2s;
}
.reach-link:hover { color: #fff; }

.eat-section {
    background: rgba(255,255,255,0.02); border-radius: 24px; padding: 4rem; margin-top: 5rem;
    border: 1px solid rgba(255,255,255,0.05); text-align: center;
}
.eat-title { font-size: 2rem; color: var(--accent-gold); margin-bottom: 1.5rem; }
.eat-text { color: var(--text-muted); font-size: 1.1rem; max-width: 900px; margin: 0 auto 3rem; line-height: 1.8; }
.eat-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.eat-item { padding: 2rem; background: rgba(0,0,0,0.3); border-radius: 16px; border: 1px solid rgba(255,255,255,0.03); }
.eat-item svg { width: 40px; height: 40px; color: var(--accent-gold); margin-bottom: 1rem; }
.eat-item h4 { color: #fff; font-size: 1.2rem; margin-bottom: 0.75rem; }
.eat-item p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; }

/* Metraj Motoru & Hesaplayıcılar */
.tabs {
    display: flex; justify-content: center; gap: 0.85rem; margin-bottom: 3rem;
    flex-wrap: wrap; margin-top: -30px; position: relative; z-index: 10;
}
.tab-btn {
    padding: 0.85rem 1.8rem; border-radius: 50px; border: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.4); color: var(--text-muted); text-decoration: none;
    transition: var(--transition); font-weight: 500; font-size: 0.95rem;
}
.tab-btn:hover, .tab-btn.active {
    background: var(--accent-gold); color: #000; border-color: var(--accent-gold); font-weight: 700;
}

.panel {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 24px; padding: 2.5rem; position: relative; overflow: hidden;
}
.panel::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.5;
    pointer-events: none;
}
h2.panel-title { font-size: 1.7rem; margin-bottom: 1.8rem; display: flex; align-items: center; gap: 0.75rem; color: #fff; }
h2.panel-title svg { color: var(--accent-gold); }

.systems-list { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2.5rem;}
.system-row {
    display: flex; align-items: stretch; border: 1px solid var(--border-color);
    padding: 1.5rem; gap: 1.5rem; transition: var(--transition); border-radius: 12px; background: rgba(0,0,0,0.2);
}
.system-row:hover { background: rgba(255,255,255,0.02); border-color: rgba(242,183,5,0.3); }
.system-img {
    width: 100px; background: rgba(0,0,0,0.3); border-radius: 8px; border: 1px solid rgba(255,255,255,0.05);
    display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0;
}
.system-img svg { width: 44px; height: 44px; stroke: var(--accent-gold); opacity: 0.75; }
@media (max-width: 768px) {
    .system-row { flex-direction: column; }
    .system-img { width: 100%; height: 100px; }
}
.system-info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; }
.system-title { font-size: 1.15rem; color: #fff; font-weight: 600; }
.system-form-inline { display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.system-form-inline .form-group { margin-bottom: 0; min-width: 140px; flex: 1; }
.system-form-inline label { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 6px; display: block; }
.system-form-inline input, .system-form-inline select {
    width: 100%; padding: 0.75rem 0.9rem; border-radius: 8px; font-size: 0.95rem;
    background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.12); color: #fff; font-family: inherit;
}
.system-form-inline input:focus, .system-form-inline select:focus {
    outline: none; border-color: var(--accent-gold);
}
.btn-hesapla {
    background: #E03535; color: #fff; border: none; padding: 0.75rem 1.8rem; border-radius: 8px; font-weight: 700;
    cursor: pointer; height: 44px; transition: var(--transition); margin-left: auto; white-space: nowrap; font-family: inherit;
}
.btn-hesapla:hover { background: #b82222; transform: translateY(-2px); }

.data-table { width: 100%; border-collapse: collapse; margin-bottom: 2rem; }
.data-table th { text-align: left; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); color: var(--text-muted); font-weight: 600; font-size: 0.9rem; }
.data-table td { padding: 1.1rem 1rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
.data-table tr:last-child td { border-bottom: none; }
.item-name { display: block; font-weight: 600; font-size: 1.05rem; color: #fff; }
.item-note { display: block; font-size: 0.82rem; color: var(--text-muted); margin-top: 0.2rem; }
.item-qty { font-weight: 700; color: var(--accent-gold); font-size: 1.2rem; }
.item-unit { color: var(--text-muted); font-size: 0.85rem; margin-left: 4px; }

/* Fiyat Tablosu & Kartları */
.pricing-table-wrap {
    background: var(--bg-card); border-radius: 16px; border: 1px solid var(--border-color);
    overflow: hidden; margin-bottom: 3rem;
}
.pricing-table-wrap table { width: 100%; border-collapse: collapse; text-align: left; }
.pricing-table-wrap th, .pricing-table-wrap td { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border-color); }
.pricing-table-wrap th { color: var(--text-muted); font-weight: 600; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.5px; }
.pricing-table-wrap tbody tr:hover { background: rgba(255,255,255,0.02); }
.pricing-price { color: var(--accent-gold); font-size: 1.25rem; font-weight: 700; }

.list-card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px;
    padding: 1.8rem; transition: var(--transition); display: flex; align-items: center; justify-content: space-between;
    text-decoration: none; color: inherit; position: relative; overflow: hidden;
}
.list-card:hover { border-color: var(--accent-gold); transform: translateY(-3px); }
.list-card h3 { font-size: 1.25rem; font-weight: 600; margin: 0; color: #fff; }
.list-card .arrow { color: var(--accent-gold); transition: transform 0.3s; }
.list-card:hover .arrow { transform: translateX(5px); }

/* Floating Action Buttons (Kural 37 & 38) */
/* SOL-ALT: Scroll to Top (Kural 37) */
.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    left: 20px;
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.scroll-top-btn:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

/* SAĞ-ALT: WhatsApp Float (Kural 38) */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 20px;
    z-index: 9000;
    width: 58px;
    height: 58px;
    border-radius: var(--radius-full);
    background: var(--whatsapp-green);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: waPulse 2s infinite;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}
@keyframes waPulse {
    0%, 100% {
        box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.12);
    }
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3.5rem 0 2rem;
    margin-top: 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}
.footer-title {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-links a {
    color: var(--text-muted);
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    transition: var(--transition);
}
.footer-links a svg {
    flex-shrink: 0;
    transition: transform 0.2s ease, stroke 0.2s ease;
}
.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 4px;
}
.footer-links a:hover svg {
    stroke: var(--accent-gold);
    transform: translateX(2px);
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-subtle);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1440px) {
    .nav-menu { gap: 0.65rem; }
    .nav-link { font-size: 0.85rem; padding: 0.35rem 0.15rem; }
    .brand-logo { font-size: 1.2rem; }
}

@media (max-width: 1260px) {
    .nav-menu { gap: 0.45rem; }
    .nav-link { font-size: 0.8rem; padding: 0.3rem 0.1rem; }
    .brand-logo { font-size: 1.1rem; }
    .header-cta .btn-outline { padding: 0.5rem 0.85rem; font-size: 0.8rem; }
}

@media (max-width: 1120px) {
    nav { display: none !important; }
    .nav-menu { display: none !important; }
    .header-cta .btn-outline { display: none !important; }
    .mobile-btn { display: flex !important; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

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