/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette */
    --primary: hsl(355, 100%, 45%);        /* Official Mitsubishi Red tone */
    --primary-dark: hsl(355, 100%, 35%);
    --primary-light: hsl(355, 100%, 95%);
    --secondary: hsl(220, 30%, 15%);      /* Premium Deep Slate Navy */
    --secondary-light: hsl(220, 20%, 30%);
    --accent: hsl(42, 100%, 50%);         /* Gold / Warm Amber for highlights */
    --accent-green: hsl(145, 63%, 42%);   /* Eco Friendly Green for A+++ labels */
    
    /* Backgrounds */
    --bg-light: hsl(220, 30%, 98%);
    --bg-white: hsl(0, 0%, 100%);
    --bg-dark: hsl(220, 35%, 8%);
    --card-bg: hsl(0, 0%, 100%);
    
    /* Text Colors */
    --text-dark: hsl(220, 40%, 12%);
    --text-body: hsl(220, 20%, 32%);
    --text-muted: hsl(220, 15%, 55%);
    --text-light: hsl(0, 0%, 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-premium: 0 30px 60px -15px rgba(22, 28, 45, 0.1), 0 10px 30px -15px rgba(0, 0, 0, 0.05);

    /* Borders & Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --border-color: hsl(220, 20%, 90%);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-body);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.25;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

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

ul {
    list-style: none;
}

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.top-bar {
    background-color: var(--secondary);
    color: var(--text-light);
    font-size: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.top-bar-info {
    display: flex;
    gap: 1.5rem;
}

.top-bar-info a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-bar-info a:hover {
    color: var(--primary);
}

.top-bar-socials {
    display: flex;
    gap: 1rem;
}

.top-bar-socials a:hover {
    color: var(--primary);
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

header.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text span:last-child {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

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

/* Hamburger Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

/* Hamburger active transformation */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   LAYOUT & CONTAINER
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

.section {
    padding: 5rem 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.section-subtitle {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
    display: inline-block;
}

.section-title {
    margin-bottom: 1rem;
    font-size: 2.25rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary);
    border-radius: var(--radius-full);
}

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

/* Grid Utilities */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 2rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-light);
}

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

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-light);
}

.btn-secondary:hover {
    background-color: var(--secondary-light);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--secondary);
    color: var(--secondary);
    box-shadow: none;
}

.btn-outline:hover {
    background-color: var(--secondary);
    color: var(--text-light);
}

.btn-white {
    background-color: var(--bg-white);
    color: var(--text-dark);
}

.btn-white:hover {
    background-color: var(--bg-light);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   HERO BANNER & SLIDER
   ========================================================================== */
.hero {
    position: relative;
    height: calc(67.5vh - 75px);
    min-height: 415px;
    background-color: var(--secondary);
    color: var(--text-light);
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 15, 30, 0.08) 0%, rgba(10, 15, 30, 0.15) 100%);
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 650px;
}

.hero-title {
    font-size: 2.75rem;
    color: var(--text-light);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    font-weight: 800;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    color: var(--primary);
}

.hero-description {
    font-size: 1.05rem;
    margin-bottom: 1.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

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

/* Slider Controls */
.slider-control {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 4;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
}

.slider-dots {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 4;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background-color: var(--primary);
    width: 25px;
}

/* ==========================================================================
   FEATURES / SERVICES QUICK BAR
   ========================================================================== */
.quick-features {
    margin-top: -3rem;
    position: relative;
    z-index: 5;
}

.feature-bar {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-premium);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
}

.feature-item {
    text-align: center;
    padding: 1rem;
    transition: var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
}

.feature-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   PRODUCT CATALOG & FILTERS
   ========================================================================== */
.catalog-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: var(--text-light);
    border-color: var(--primary);
}

/* Search Bar */
.search-container {
    max-width: 500px;
    margin: 0 auto 3rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem 1rem 3.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    background-color: var(--bg-white);
    transition: var(--transition-normal);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Product Cards */
.product-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(230, 0, 18, 0.2);
}

.product-image-container {
    position: relative;
    background-color: #fff;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image-container img {
    height: 180px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: var(--transition-normal);
}

.product-card:hover .product-image-container img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--accent-green);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.product-badge.gold {
    background-color: var(--accent);
}

.product-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-body);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spec-item i {
    color: var(--primary);
}

.product-price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    gap: 0.5rem;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-dark);
}

.product-price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

/* Product Showcase Slider Styles */
.product-slides-container {
    position: relative;
    width: 100%;
}

.product-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.product-slide.active {
    display: block;
    opacity: 1;
}

.product-dot.active {
    background-color: var(--primary) !important;
    transform: scale(1.2);
}

/* ==========================================================================
   SERVICES & PROCESSES
   ========================================================================== */
.service-box {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.service-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(230, 0, 18, 0.1);
}

.service-box-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-box h3 {
    margin-bottom: 1rem;
    font-size: 1.35rem;
}

.service-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.service-box-list {
    margin-bottom: 1.5rem;
}

.service-box-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.service-box-list li i {
    color: var(--accent-green);
}

/* Info Callout Section */
.info-banner {
    background-color: var(--secondary);
    color: var(--text-light);
    border-radius: var(--radius-lg);
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.info-banner::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background-color: rgba(230, 0, 18, 0.05);
    border-radius: var(--radius-full);
}

.info-banner-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

.info-banner h2 {
    color: var(--text-light);
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.info-banner p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */
.form-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-premium);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-control:focus {
    border-color: var(--primary);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-card-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-card-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* Honeypot Spam Protection (Hidden Field) */
.hp-field {
    display: none !important;
    visibility: hidden !important;
}

/* ==========================================================================
   TESTIMONIALS / REVIEW SLIDER
   ========================================================================== */
.testimonial-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.testimonial-card.fade-out {
    opacity: 0;
    transform: translateY(10px);
}

.testimonial-rating {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-body);
    flex-grow: 1;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: var(--secondary-light);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
}

.testimonial-details h4 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.testimonial-details p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   REASON CARDS (Neden Mitsubishi Heavy)
   ========================================================================== */
.grid-6-reasons {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.reason-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-sm);
    padding: 1.25rem 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(230, 0, 18, 0.15);
}

.reason-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin: 0 auto 0.75rem;
    box-shadow: 0 6px 15px rgba(230, 0, 18, 0.15);
}

.reason-card h3 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.reason-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0;
}

/* ==========================================================================
   NEWS CARDS (Bizden Haberler)
   ========================================================================== */
.news-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-premium);
}

.news-card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.news-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.news-date {
    position: absolute;
    bottom: 0.75rem;
    left: 1rem;
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    width: fit-content;
}

.news-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.news-card-body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.news-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.news-link:hover {
    gap: 0.75rem;
    color: var(--primary-dark);
}

.kb-item-hover:hover {
    transform: translateY(-3px);
    border-color: rgba(230, 0, 18, 0.25) !important;
    box-shadow: var(--shadow-md) !important;
}

/* Isı Pompası Mini Slider */
.hp-slides-container {
    position: relative;
    width: 100%;
}

.hp-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.hp-slide.active {
    display: block;
    opacity: 1;
}

.hp-dot.active {
    background-color: var(--primary) !important;
    transform: scale(1.2);
}

/* Güncel Gelişmeler Mini Slider */
.news-slides-container {
    position: relative;
    width: 100%;
}

.news-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.news-slide.active {
    display: block;
    opacity: 1;
}

.news-dot.active {
    background-color: var(--primary) !important;
    transform: scale(1.2);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 5rem 0 2rem;
    border-top: 5px solid var(--primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.25fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h3 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 1.75rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 2px;
    background-color: var(--primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 40px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--text-light);
    line-height: 1;
    display: flex;
    flex-direction: column;
}

.footer-logo-text span:last-child {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 2px;
    margin-top: 0.2rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 0.25rem;
}

.footer-hours-list {
    font-size: 0.85rem;
}

.footer-hours-list li {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
}

.footer-hours-list li span:last-child {
    color: var(--text-light);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ==========================================================================
   MODAL WINDOW (PRODUCT DETAILS)
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background-color: var(--bg-white);
    width: 90%;
    max-width: 850px;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--bg-light);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--primary);
    color: var(--text-light);
}

.modal-body {
    padding: 3rem;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 2.5rem;
}

.modal-image-wrapper {
    background-color: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.modal-image-wrapper img {
    max-height: 250px;
    width: auto;
}

.modal-title {
    font-size: 1.85rem;
    margin-bottom: 0.5rem;
}

.modal-category {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.modal-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.modal-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    font-size: 0.85rem;
}

.modal-table th, .modal-table td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.modal-table th {
    font-weight: 600;
    color: var(--text-dark);
    width: 45%;
}

.modal-action-row {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (WHATSAPP & PHONE)
   ========================================================================== */
.floating-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.75rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn-whatsapp {
    background-color: hsl(142, 70%, 45%);
}

.floating-btn-phone {
    background-color: var(--primary);
}

.floating-btn::after {
    content: attr(data-label);
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--secondary);
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.floating-btn:hover::after {
    opacity: 1;
    right: 70px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (BREAKPOINTS)
   ========================================================================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-6-reasons {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.65rem; }
    h3 { font-size: 1.3rem; }
    
    .section {
        padding: 3.5rem 0;
    }
    
    .top-bar {
        display: none; /* Hide top bar on mobile to save space */
    }
    
    /* Responsive Navbar */
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2.5rem;
        gap: 1.5rem;
        transition: var(--transition-normal);
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        width: 100%;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-cta {
        display: none; /* Hide in primary nav on mobile, can embed in page */
    }
    
    /* Hero Banner Adjustments */
    .hero {
        height: 52.5vh;
        min-height: 360px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .quick-features {
        margin-top: 1rem;
    }
    
    .feature-bar {
        padding: 1.5rem;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .grid-6-reasons {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .catalog-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-card {
        padding: 1.5rem;
    }
    
    /* Modal responsive */
    .modal-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .modal-action-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================
   URUNLERIMIZ PAGE STYLES (CATEGORY NAV & PRODUCT CARDS)
   ========================================== */

/* Category Quick Navigation Grid */
.category-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.category-nav-card {
    position: relative;
    display: flex;
    align-items: flex-end;
    height: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.category-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.category-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 1;
    transition: opacity 0.3s ease;
}

.category-nav-card:hover::before {
    background: linear-gradient(to top, rgba(230, 0, 18, 0.9) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.cat-card-content {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    width: 100%;
}

.cat-card-content h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    font-family: var(--font-heading);
}

.cat-card-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-nav-card:hover .cat-card-action {
    color: #fff;
    transform: translateX(3px);
}

/* Category Page Hero Breadcrumb */
.page-hero {
    padding: 5rem 0;
    text-align: center;
    color: var(--text-light);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb .separator {
    font-size: 0.7rem;
}

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

.page-title {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Modern Product Card Design */
.product-card-sc {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    height: 100%;
}

.product-card-sc:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(230, 0, 18, 0.15);
}

.product-card-media {
    position: relative;
    background: #fdfdfd;
    height: 240px; /* fixed height for alignment */
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.product-card-img {
    max-height: 180px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card-sc:hover .product-card-img {
    transform: scale(1.05);
}

.badge-r32 {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(37, 211, 102, 0.1);
    color: #25D366;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid rgba(37, 211, 102, 0.2);
    z-index: 10;
}

/* Energy Badge classes */
.badge-energy {
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    color: #fff;
    display: inline-block;
}

.energy-triple { background: #008000; }
.energy-double { background: #228B22; }
.energy-single { background: #32CD32; }
.energy-a { background: #9ACD32; }
.energy-default { background: #808080; }

.catalog-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.2s;
}

.catalog-link:hover {
    color: var(--primary);
}

.product-card-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.product-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    line-height: 1.3;
    min-height: 3rem; /* aligns 1-line and 2-line titles */
    display: flex;
    align-items: center;
}

.product-card-model {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
}

.product-card-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
}

.product-card-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.price-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.price-val {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-dark);
}

.product-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: auto;
}

.btn-whatsapp, .btn-call {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s ease;
    text-align: center;
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
    border: 1px solid #25D366;
}

.btn-whatsapp:hover {
    background: #1ebd5a;
    border-color: #1ebd5a;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-call {
    background: var(--text-dark);
    color: #fff;
    border: 1px solid var(--text-dark);
}

.btn-call:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.15);
}

/* Responsiveness for new sections */
@media (max-width: 992px) {
    .category-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .category-nav-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-card-actions {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2.25rem;
    }
}