/**
 * ==============================================================================
 * Maksan Mühendislik - Premium Corporate Design System Stylesheet
 * ==============================================================================
 */

/* 1. CSS VARIABLES & DESIGN TOKENS */
:root {
    --color-dark-navy: #0b0f19;
    --color-anthracite: #1e293b;
    --color-gray-dark: #334155;
    --color-gray-light: #f1f5f9;
    --color-white: #ffffff;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-text-white: #f8fafc;
    
    /* Controlled Accent Accents */
    --color-accent-blue: #0ea5e9; /* Doğalgaz / İGDAŞ */
    --color-accent-blue-hover: #0284c7;
    --color-accent-orange: #f97316; /* Isıtma / Buderus */
    --color-accent-orange-hover: #ea580c;
    
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1.5rem;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    --font-family: 'Outfit', sans-serif;
}

/* 2. BASE RESET & GLOBALS */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
}

body {
    background-color: var(--color-white);
    color: var(--color-text-main);
    line-height: 1.6;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 0; /* Adjusted in mobile to fit sticky bar */
}

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

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.container-width {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 3rem 0;
    }
}

.bg-light {
    background-color: var(--color-gray-light);
}

.bg-dark {
    background-color: var(--color-dark-navy);
}

.text-light {
    color: var(--color-text-white);
}

.text-center {
    text-align: center;
}

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

.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3.5rem; }
.text-rich h2, .text-rich h3, .text-rich h4 {
    color: var(--color-anthracite);
    margin: 1.5rem 0 1rem 0;
    font-weight: 600;
}
.text-rich p {
    margin-bottom: 1.25rem;
    color: var(--color-text-main);
}
.text-rich ul, .text-rich ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}
.text-rich li {
    margin-bottom: 0.5rem;
}

/* 3. BUTTON SYSTEM */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-accent-blue);
    color: var(--color-dark-navy);
}

.btn-primary:hover {
    background-color: var(--color-accent-blue-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--color-accent-orange);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-accent-orange-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-anthracite);
    color: var(--color-anthracite);
}

.btn-outline:hover {
    background-color: var(--color-anthracite);
    color: var(--color-white);
}

.btn-link {
    background: transparent;
    color: var(--color-accent-blue);
    padding: 0;
    display: inline-flex;
    align-items: center;
    font-weight: 600;
}

.btn-link ion-icon {
    margin-left: 4px;
    transition: transform var(--transition-fast);
}

.btn-link:hover ion-icon {
    transform: translateX(3px);
}

.btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-xs {
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--border-radius-sm);
}

.w-full {
    width: 100%;
}

/* 4. VISITOR HEADER NAVIGATION */
.site-header {
    background-color: var(--color-dark-navy);
    color: var(--color-text-white);
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    flex-direction: column;
}

.site-logo .logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.site-logo .logo-sub {
    font-size: 0.65rem;
    color: var(--color-accent-blue);
    letter-spacing: 0.25em;
    font-weight: 600;
}

.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-list a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
}

.nav-list a:hover, .nav-list a.active {
    color: var(--color-white);
}

/* Submenu dropdown triggers */
.has-submenu {
    position: relative;
}

.submenu-arrow {
    font-size: 0.8rem;
    margin-left: 4px;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-anthracite);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    min-width: 240px;
    padding: 0.75rem 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

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

.submenu a {
    padding: 0.5rem 1.25rem;
    color: var(--color-text-light);
}

.submenu a:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-white);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 2rem;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
}

/* Mobile Drawer styles */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background-color: var(--color-dark-navy);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
}

.mobile-drawer.open {
    right: 0;
}

.drawer-header {
    height: 80px;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.drawer-close-btn {
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 2.25rem;
    cursor: pointer;
}

.drawer-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-list li {
    margin-bottom: 1rem;
}

.mobile-nav-list a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text-light);
    display: block;
    padding: 0.25rem 0;
}

.mobile-nav-list a:hover {
    color: var(--color-white);
}

.mobile-submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.submenu-expander {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
}

.mobile-submenu {
    list-style: none;
    margin-left: 1rem;
    margin-top: 0.5rem;
    display: none;
}

.mobile-submenu.open {
    display: block;
}

.mobile-submenu li {
    margin-bottom: 0.5rem;
}

.mobile-submenu a {
    font-size: 0.9rem;
}

.drawer-cta {
    margin-top: 2rem;
}

.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

/* 5. HERO & HOME SECTIONS */
.hero-section {
    position: relative;
    background: url('/assets/images/hero-bg.jpg') no-repeat center center/cover;
    background-color: var(--color-dark-navy);
    min-height: 550px;
    display: flex;
    align-items: center;
    color: var(--color-text-white);
    padding: 4rem 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.85);
    z-index: 1;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 650px;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
}

@media (max-width: 640px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Sector cards layout */
.section-title {
    margin-bottom: 3.5rem;
}

.section-title h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-anthracite);
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.title-meta {
    font-size: 0.8rem;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 0.25rem;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.sector-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.sector-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.15);
}

.sector-card.highlighted {
    background-color: var(--color-anthracite);
    color: var(--color-text-white);
    border-color: rgba(14, 165, 233, 0.1);
}

.sector-icon {
    font-size: 2.5rem;
    color: var(--color-accent-blue);
    margin-bottom: 1.5rem;
}

.sector-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.sector-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.sector-card.highlighted p {
    color: var(--color-text-light);
}

.read-more {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-accent-blue);
}

.read-more ion-icon {
    margin-left: 4px;
    transition: transform var(--transition-fast);
}

.read-more:hover ion-icon {
    transform: translateX(3px);
}

/* Services section Grid layout */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-light);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.service-img-wrapper {
    height: 200px;
    background-color: var(--color-gray-dark);
    position: relative;
    overflow: hidden;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--color-dark-navy);
    color: var(--color-text-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-anthracite);
}

.service-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.15);
    font-size: 3rem;
}

/* Product catalog group previews */
.product-sectors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .product-sectors {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.product-sector-col {
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
}

.sector-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    color: var(--color-anthracite);
}

.sector-header ion-icon {
    font-size: 2.25rem;
    color: var(--color-accent-blue);
}

.sector-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
}

.product-cat-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.product-cat-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.product-cat-list ion-icon {
    color: var(--color-accent-blue);
    margin-right: 8px;
    font-size: 1rem;
    flex-shrink: 0;
}

/* Brand logos */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.brand-logo-card {
    height: 80px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    transition: border var(--transition-fast);
}

.brand-logo-card img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-normal);
}

.brand-logo-card:hover img {
    filter: grayscale(0);
    opacity: 1;
}

.brand-logo-card span {
    font-weight: 700;
    color: var(--color-text-muted);
}

/* Completed references projects section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-light);
}

.project-img-wrapper {
    height: 230px;
    background-color: var(--color-gray-dark);
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
}

.project-type {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-info h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0.25rem 0 0.5rem 0;
    color: var(--color-anthracite);
}

.project-loc {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.project-loc ion-icon {
    margin-right: 4px;
}

/* Why us grid */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 768px) {
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.meta-label {
    font-size: 0.8rem;
    color: var(--color-accent-blue);
    font-weight: 700;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 0.5rem;
}

.why-us-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.why-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.why-icon {
    font-size: 2rem;
    color: var(--color-accent-blue);
    flex-shrink: 0;
}

.why-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.why-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.why-us-visual {
    position: relative;
    background-color: var(--color-anthracite);
    border-radius: var(--border-radius-lg);
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.visual-decor {
    position: absolute;
    width: 200px;
    height: 200px;
    background-color: var(--color-accent-blue);
    filter: blur(80px);
    opacity: 0.15;
    top: 10%;
    left: 10%;
}

.storefront-card {
    text-align: center;
    z-index: 2;
    background-color: rgba(11, 15, 25, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    width: 80%;
}

.storefront-card ion-icon {
    font-size: 3rem;
    color: var(--color-accent-blue);
    margin-bottom: 1rem;
}

.storefront-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.storefront-card p {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Reviews grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.review-card {
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-md);
    padding: 2.25rem;
}

.review-stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    color: var(--color-text-muted);
    font-size: 0.925rem;
    margin-bottom: 1.5rem;
}

.review-user {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-anthracite);
}

/* CTA maps deep grids */
.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
}

@media (max-width: 768px) {
    .cta-grid {
        grid-template-columns: 1fr;
    }
    .cta-map {
        height: 300px;
    }
}

.cta-map {
    position: relative;
}

.cta-form-teaser {
    display: flex;
    align-items: center;
    padding: 4rem 3rem;
}

.teaser-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-anthracite);
}

.teaser-content p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.teaser-buttons {
    display: flex;
    gap: 1rem;
}

@media (max-width: 480px) {
    .teaser-buttons {
        flex-direction: column;
    }
}

/* 6. STATIC SUBPAGES AND DIRECTORIES */
.page-banner {
    background-color: var(--color-dark-navy);
    color: var(--color-text-white);
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.banner-container h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.breadcrumb {
    list-style: none;
    display: inline-flex;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-text-light);
}

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

.breadcrumb li:not(:last-child)::after {
    content: "/";
    margin-left: 0.5rem;
    color: rgba(255, 255, 255, 0.2);
}

/* Detail layouts sidebar grid split */
.detail-layout-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .detail-layout-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.detail-hero-img {
    height: 380px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: 2rem;
    background-color: var(--color-gray-dark);
}

.detail-hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-box {
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
}

.sidebar-box h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 0.5rem;
}

/* Service details sidebar navigation link styling */
.service-sidebar-links {
    list-style: none;
}

.service-sidebar-links li {
    margin-bottom: 0.5rem;
}

.service-sidebar-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.service-sidebar-links a:hover {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--color-accent-blue);
}

.service-sidebar-links ion-icon {
    font-size: 1.15rem;
}

/* Spec sheet for project detail */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.spec-table td {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.spec-table tr:last-child td {
    border-bottom: none;
}

/* Gallery grids */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.gallery-item {
    height: 130px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background-color: var(--color-gray-dark);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item img:hover {
    transform: scale(1.05);
}

/* Sidebar recent links */
.sidebar-project-links, .sidebar-blog-links {
    list-style: none;
}

.sidebar-project-links li, .sidebar-blog-links li {
    margin-bottom: 0.75rem;
}

.sidebar-project-links a, .sidebar-blog-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.side-proj-img, .side-blog-img {
    width: 60px;
    height: 45px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background-color: var(--color-gray-dark);
    flex-shrink: 0;
}

.side-proj-img img, .side-blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-project-links a span, .sidebar-blog-links a span {
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.3;
}

/* 7. BRANDS & SPECIAL DIRECTORIES */
.brand-detail-row {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.brand-detail-row:last-child {
    border-bottom: none;
}

.brand-detail-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    height: 160px;
    text-align: center;
}

.brand-detail-logo img {
    max-height: 80px;
    max-width: 100%;
    object-fit: contain;
    margin-bottom: 0.75rem;
}

.partner-badge {
    font-size: 0.7rem;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.brand-detail-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.brand-detail-info p {
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
    .brand-detail-row {
        grid-template-columns: 1fr;
    }
}

/* Material catalogue directories */
.materials-grid-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .materials-grid-layout {
        grid-template-columns: 1fr;
    }
}

.catalog-intro h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.catalog-intro p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.category-block {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--color-gray-light);
    padding-bottom: 2rem;
}

.category-block:last-child {
    border: none;
}

.category-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-anthracite);
    border-left: 4px solid var(--color-accent-blue);
    padding-left: 0.75rem;
}

.products-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-item-card {
    display: flex;
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 120px;
}

.product-item-card .product-img {
    width: 110px;
    background-color: var(--color-gray-dark);
    flex-shrink: 0;
}

.product-item-card .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-item-details {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.product-item-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-item-details p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-item-actions {
    display: flex;
    justify-content: flex-end;
}

/* Nalburiye layout grid styles */
.hardware-grid-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .hardware-grid-layout {
        grid-template-columns: 1fr;
    }
}

.catalog-intro-bar {
    display: grid;
    grid-template-columns: 2.5fr 1.5fr;
    gap: 2rem;
    align-items: center;
}

@media (max-width: 768px) {
    .catalog-intro-bar {
        grid-template-columns: 1fr;
    }
}

.notice-info-box {
    background-color: rgba(14, 165, 233, 0.05);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    display: flex;
    gap: 0.75rem;
}

.notice-info-box ion-icon {
    font-size: 1.75rem;
    color: var(--color-accent-blue);
    flex-shrink: 0;
}

.notice-info-box div {
    display: flex;
    flex-direction: column;
    font-size: 0.825rem;
    line-height: 1.4;
}

.categories-filter ul {
    list-style: none;
}

.categories-filter a {
    display: block;
    padding: 0.4rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--border-radius-sm);
}

.categories-filter a:hover {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--color-accent-blue);
}

.category-catalog-block {
    margin-bottom: 3.5rem;
}

.category-block-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-anthracite);
    border-bottom: 1px solid var(--color-gray-light);
    padding-bottom: 0.5rem;
}

.products-grid-catalog {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.catalog-product-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.product-card-img {
    height: 160px;
    background-color: var(--color-gray-dark);
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-body {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-brand-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent-orange);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.product-card-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-anthracite);
    line-height: 1.3;
}

.product-card-body p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-weight: 700;
    color: var(--color-anthracite);
    margin-bottom: 1rem;
    margin-top: auto;
}

.product-card-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-wa {
    border-color: #25d366;
    color: #25d366;
}

.btn-wa:hover {
    background-color: #25d366;
    color: var(--color-white);
}

/* 8. FORMS & QUOTE PAGES */
.quote-max-container {
    max-width: 800px;
}

.form-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 2px solid var(--color-gray-light);
    gap: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-normal);
}

.tab-btn ion-icon {
    font-size: 1.25rem;
}

.tab-btn.active {
    color: var(--color-accent-blue);
    border-bottom-color: var(--color-accent-blue);
}

.quote-form-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
}

@media (max-width: 600px) {
    .quote-form-card {
        padding: 1.5rem;
    }
    .form-tabs {
        grid-template-columns: 1fr;
        border-bottom: none;
    }
    .tab-btn {
        border-bottom: none;
        background-color: var(--color-gray-light);
        border-radius: var(--border-radius-sm);
    }
    .tab-btn.active {
        background-color: var(--color-accent-blue);
        color: var(--color-dark-navy);
    }
}

.quote-form-tab-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-anthracite);
    margin-bottom: 0.25rem;
}

.form-sub-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 600px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

@media (max-width: 600px) {
    .form-group.full-width {
        grid-column: span 1;
    }
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--color-text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    border: 1px solid var(--color-text-light);
    border-radius: var(--border-radius-sm);
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
    transition: border var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-blue);
}

.file-input {
    padding: 0.5rem !important;
    background-color: var(--color-gray-light);
    border-style: dashed !important;
}

.file-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.form-kvkk {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.form-kvkk input {
    margin-top: 0.25rem;
    cursor: pointer;
}

.kvkk-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

.kvkk-label a {
    color: var(--color-accent-blue);
    text-decoration: underline;
}

/* Contact page grid split */
.contact-layout-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
}

@media (max-width: 768px) {
    .contact-layout-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.detailed-contact-list {
    list-style: none;
    margin: 1.5rem 0 2.5rem 0;
}

.detailed-contact-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.contact-icon-circle {
    width: 45px;
    height: 45px;
    background-color: var(--color-gray-light);
    color: var(--color-accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.detailed-contact-list div {
    display: flex;
    flex-direction: column;
}

.detailed-contact-list strong {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.detailed-contact-list span, .detailed-contact-list a {
    font-size: 0.95rem;
    font-weight: 500;
}

.contact-form-box {
    border-top: 1px solid var(--color-gray-light);
    padding-top: 2rem;
}

.contact-form-box h3 {
    margin-bottom: 1.25rem;
}

.maps-wrapper {
    height: 480px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--color-gray-light);
}

@media (max-width: 768px) {
    .maps-wrapper {
        height: 320px;
    }
}

/* 9. VISITOR FOOTER */
.site-footer {
    background-color: var(--color-dark-navy);
    color: var(--color-text-white);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    padding: 4rem 0;
}

.footer-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: inline-block;
}

.brand-desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--color-accent-blue);
    background-color: rgba(14, 165, 233, 0.05);
    padding: 0.35rem 0.65rem;
    border-radius: var(--border-radius-sm);
    width: fit-content;
    font-weight: 500;
}

.footer-links h3, .footer-contact h3 {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

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

.contact-info-list {
    list-style: none;
}

.contact-info-list li {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.contact-info-list ion-icon {
    font-size: 1.15rem;
    color: var(--color-accent-blue);
    flex-shrink: 0;
}

.contact-info-list a:hover {
    color: var(--color-white);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.5rem 0;
}

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

@media (max-width: 768px) {
    .bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.legal-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    font-size: 0.8rem;
}

.legal-links a {
    color: var(--color-text-light);
}

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

/* 10. MOBILE BOTTOM STICKY BAR */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--color-dark-navy);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 998;
    grid-template-columns: 1fr 1fr 1fr;
}

.sticky-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-light);
    gap: 3px;
    border-right: 1px solid rgba(255, 255, 255, 0.03);
}

.sticky-item ion-icon {
    font-size: 1.35rem;
}

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

.sticky-phone {
    background-color: rgba(14, 165, 233, 0.05);
    color: var(--color-accent-blue);
}

.sticky-whatsapp {
    background-color: rgba(37, 211, 102, 0.05);
    color: #25d366;
}

.sticky-maps {
    background-color: rgba(249, 115, 22, 0.05);
    color: var(--color-accent-orange);
}

@media (max-width: 768px) {
    .mobile-sticky-bar {
        display: grid;
    }
    body {
        padding-bottom: 60px; /* Leave space so content is not obscured by bottom bar */
    }
}