/* ============================================
   ÖZVOLSAN - Kurumsal Web Sitesi
   DEUTZ Yetkili Güneydoğu Anadolu Bölge Sorumlusu
   ============================================ */

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Montserrat:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --primary: #1a1a1a;
    --primary-dark: #111111;
    --primary-light: #2a2a2a;
    --secondary: #D42027;
    --secondary-dark: #B01B20;
    --accent: #D42027;
    --accent-light: #E8363D;
    --dark: #0d0d0d;
    --dark-gray: #1a1a1a;
    --medium-gray: #6c757d;
    --light-gray: #f0f2f5;
    --lighter-gray: #f8f9fa;
    --white: #ffffff;
    --text-dark: #1a1a2e;
    --text-medium: #4a4a5a;
    --text-light: #8a8a9a;
    --border-color: #e0e4e8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.9;
}

.top-bar-left span i {
    color: var(--secondary);
    font-size: 0.85rem;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-right a {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: var(--secondary);
    transform: translateY(-1px);
}

/* ============================================
   Header / Navbar
   ============================================ */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
    min-height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    flex-shrink: 0;
}

.footer .logo-img {
    background: #0d0d0d;
    border-radius: 8px;
    padding: 4px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -1px;
}

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

.logo-text .brand-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.logo-text .brand-tagline {
    font-size: 0.7rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a {
    padding: 10px 18px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-medium);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: rgba(0, 51, 102, 0.04);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 24px;
}

.nav-cta {
    margin-left: 12px;
}

.nav-cta a {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
    font-size: 0.88rem !important;
    letter-spacing: 0.3px;
}

.nav-cta a::after {
    display: none !important;
}

.nav-cta a:hover {
    background: var(--primary-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 51, 102, 0.3);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-toggle span {
    width: 26px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--white), transparent);
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
}

.hero-shapes .shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
}

.hero-shapes .shape-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
}

.hero-shapes .shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 60%;
    background: rgba(0, 166, 81, 0.08);
}

/* Banner Slider */
.hero-banner-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-banner-slide.active {
    opacity: 1;
}

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

.hero-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.55) 100%);
    z-index: 1;
}

.hero-has-banner::before {
    display: none;
}

.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.banner-nav:hover {
    background: rgba(255,255,255,0.3);
}

.banner-prev { left: 20px; }
.banner-next { right: 20px; }

.banner-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.banner-dot.active {
    background: #fff;
    border-color: var(--secondary);
    transform: scale(1.2);
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: var(--white);
}

.hero-partner-logos {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-company-logo {
    height: 56px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.hero-logo-divider {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 300;
    opacity: 0.6;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.12;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-content h1 span {
    color: var(--secondary);
}

.hero-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.hero-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    max-width: 440px;
}

.hero-info-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 22px 20px;
    color: var(--white);
    transition: var(--transition);
}

.hero-info-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.hero-info-card > i {
    font-size: 1.6rem;
    color: var(--secondary);
    flex-shrink: 0;
    width: 36px;
    text-align: center;
}

.hero-info-card strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.hero-info-card span {
    font-size: 0.75rem;
    opacity: 0.6;
    letter-spacing: 0.3px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 166, 81, 0.3);
}

.btn-primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 166, 81, 0.4);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 51, 102, 0.3);
}

.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 51, 102, 0.4);
    color: var(--white);
}

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

.btn-outline-dark:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: 100px 0;
}

.section-gray {
    background: #fff ;
}

.section-dark {
    background: var(--primary-dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-header .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 16px;
}

.section-header .section-label::before,
.section-header .section-label::after {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}

.section-header h2 {
    font-size: 2.6rem;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.section-dark .section-header h2 {
    color: var(--white);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.section-dark .section-header p {
    color: rgba(255,255,255,0.7);
}

/* ============================================
   Features / Services Grid
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.08), rgba(0, 51, 102, 0.04));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.92rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-main .about-img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    display: block;
}

.about-image-main .placeholder-img {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--secondary);
    color: var(--white);
    padding: 24px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-badge .number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.about-badge .text {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-top: 4px;
}

.about-content h2 {
    font-size: 2.4rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-content .lead {
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 28px;
}

.about-list {
    margin-bottom: 32px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text-medium);
}

.about-list li i {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

/* ============================================
   DEUTZ Partnership Banner
   ============================================ */
.deutz-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.deutz-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(0, 166, 81, 0.1));
}

.deutz-banner .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.deutz-banner-content {
    max-width: 600px;
    color: var(--white);
}

.deutz-banner-content h2 {
    color: var(--white);
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.deutz-banner-content p {
    opacity: 0.8;
    font-size: 1.05rem;
    line-height: 1.8;
}

.deutz-logo-box {
    background: var(--white);
    padding: 50px 100px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.deutz-logo-box .deutz-logo-img {
    max-height: 80px;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* ============================================
   Products Grid
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-image {
    height: 240px;
    background: linear-gradient(135deg, var(--light-gray), var(--lighter-gray));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image i {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.3;
    transition: var(--transition);
}

.product-card:hover .product-image i {
    opacity: 0.5;
    transform: scale(1.1);
}

.product-image .product-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.product-info {
    padding: 28px;
}

.product-info h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.product-info p {
    font-size: 0.88rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 18px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
    align-self: flex-start;
}

.product-link:hover {
    color: var(--secondary);
    gap: 10px;
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: var(--white);
    padding: 20px;
}

.stat-item .stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    font-size: 0.88rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: var(--lighter-gray);
    padding: 100px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    padding: 72px 80px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(0, 166, 81, 0.1);
    border-radius: 50%;
}

.cta-box h2 {
    color: var(--white);
    font-size: 2.4rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-box p {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta-box .btn {
    position: relative;
    z-index: 2;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-text .brand-name {
    color: var(--white);
}

.footer-brand .logo-text .brand-tagline {
    color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
    margin-top: 20px;
    font-size: 0.92rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}

.footer-brand .footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-brand .footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    transition: var(--transition);
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 24px;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-col ul li a i {
    font-size: 0.75rem;
    color: var(--secondary);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px !important;
    font-size: 0.9rem;
}

.footer-contact li i {
    color: var(--secondary);
    margin-top: 4px;
    flex-shrink: 0;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

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

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header h1 {
    color: var(--white);
    font-size: 2.8rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.page-header .breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 2;
}

.page-header .breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

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

.page-header .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.3);
}

.page-header .breadcrumb .current {
    color: var(--secondary);
    font-weight: 500;
}

/* ============================================
   About Page
   ============================================ */
.about-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-detail-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-detail-content p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.value-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.value-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 16px;
    display: block;
}

.value-card h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 40px);
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 40px);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary);
    z-index: 2;
}

.timeline-content {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    max-width: 420px;
}

.timeline-content .year {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 0.88rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
}

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

.contact-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.08), rgba(0, 51, 102, 0.04));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.contact-form-wrapper .form-subtitle {
    color: var(--text-medium);
    font-size: 0.92rem;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: var(--lighter-gray);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    margin-top: 8px;
}

.form-submit .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
}

/* ============================================
   Map Section
   ============================================ */
.map-section {
    padding: 0;
    height: 400px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-container {
    width: 100%;
    height: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.map-placeholder {
    text-align: center;
    color: var(--text-light);
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

/* ============================================
   Services Page
   ============================================ */
.service-detail-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.service-detail-card:nth-child(even) {
    direction: rtl;
}

.service-detail-card:nth-child(even) > * {
    direction: ltr;
}

.service-detail-card:last-child {
    border-bottom: none;
}

.service-detail-image {
    height: 360px;
    background: linear-gradient(135deg, var(--light-gray), var(--lighter-gray));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.service-detail-image i {
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.2;
}

.service-detail-content h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.service-detail-content p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-detail-content ul {
    margin-bottom: 24px;
}

.service-detail-content ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.92rem;
    color: var(--text-medium);
}

.service-detail-content ul li i {
    color: var(--secondary);
    font-size: 0.85rem;
}

/* ============================================
   Products Page
   ============================================ */
.product-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.product-categories .cat-btn {
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-medium);
    background: var(--white);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.product-categories .cat-btn:hover,
.product-categories .cat-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.product-detail-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-detail-image {
    height: 260px;
    background: linear-gradient(135deg, var(--light-gray), var(--lighter-gray));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-detail-image i {
    font-size: 4.5rem;
    color: var(--primary);
    opacity: 0.2;
}

.product-detail-image .category-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 5px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-detail-info {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-detail-info h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.product-detail-info p {
    font-size: 0.88rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
    flex-shrink: 0;
}

.product-specs .spec-tag {
    background: var(--light-gray);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   Scroll to Top
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

    .about-grid,
    .about-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-detail-card {
        grid-template-columns: 1fr;
    }

    .service-detail-card:nth-child(even) {
        direction: ltr;
    }

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

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

    .deutz-banner .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .top-bar {
        display: none;
    }

    .header .container {
        min-height: 68px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-slow);
        align-items: flex-start;
        gap: 0;
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
    }

    .nav-cta a {
        width: 100%;
        justify-content: center;
        display: flex !important;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .hero {
        min-height: auto;
        padding: 60px 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-partner-logos {
        gap: 12px;
        margin-bottom: 24px;
    }

    .hero-company-logo {
        height: 40px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-info-grid {
        grid-template-columns: 1fr 1fr;
        max-width: 100%;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .cta-box {
        padding: 48px 32px;
    }

    .page-header {
        padding: 100px 0 60px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-right: 0;
        padding-left: 56px;
    }

    .timeline-item:nth-child(even) {
        padding-left: 56px;
    }

    .timeline-item::before {
        left: 20px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .product-categories {
        gap: 8px;
    }

    .product-categories .cat-btn {
        padding: 8px 18px;
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-info-grid {
        grid-template-columns: 1fr;
    }

    .hero-company-logo {
        height: 32px;
    }

    .stat-item .stat-number {
        font-size: 2.2rem;
    }

    .deutz-logo-box {
        padding: 24px 32px;
    }

    .deutz-logo-box .deutz-text {
        font-size: 2rem;
    }
}

/* Scroll offset for anchor links */
#motor-satisi,
#yedek-parca,
#teknik-servis,
#xchange-program,
#teknik-danismanlik {
    scroll-margin-top: 100px;
}

/* Team Section */
.team-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: #fff;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.team-image {
    position: relative;
}

.team-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}

.placeholder-img-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: #f8f9fa;
    border-radius: 12px;
    color: #888;
    font-size: 1.2rem;
}

.placeholder-img-large i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.team-content h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 16px;
}

.team-content p:first-of-type {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.team-content p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .team-section {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px 24px;
    }
    
    .team-content h3 {
        font-size: 2rem;
    }
    
    .placeholder-img-large {
        height: 250px;
    }
}
