/* ============================================
   META GRUP OSGB - ANA STIL DOSYASI
   Encoding: UTF-8 (Türkçe karakter desteği)
   ============================================ */

/* ============================================
   CSS DEĞİŞKENLERİ (Design Tokens)
   ============================================ */
:root {
    /* Renkler - Logo & Referans site analizi */
    --primary: #0066B3;
    --primary-dark: #13223C;
    --primary-light: #4A90D9;
    --secondary: #61CE70;
    --secondary-dark: #2E7D32;
    --accent: #007bff;
    --whatsapp: #25D366;
    --phone: #007bff;

    /* Nötr renkler */
    --white: #FFFFFF;
    --light-bg: #EFF1F5;
    --light-gray: #F5F5F5;
    --gray: #949CA9;
    --text: #54595F;
    --text-light: #76787C;
    --dark: #1b1e34;
    --black: #000000;

    /* Gölgeler */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);

    /* Geçişler */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Tipografi */
    --font-primary: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;

    /* Container genişlikleri */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Türkçe karakterler için font desteği */
body,
input,
textarea,
button,
select {
    font-family: var(--font-primary);
}

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

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

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ============================================
   TİPOGRAFİ
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-dark);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text);
}

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

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

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

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

/* ============================================
   LAYOUT - CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-sm {
    padding: 3rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-header p {
    max-width: 600px;
    margin: 1.5rem auto 0;
    color: var(--text-light);
}

/* ============================================
   GRID SİSTEMİ
   ============================================ */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -1rem;
}

.col {
    flex: 1;
    padding: 0 1rem;
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 1rem;
}

.col-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: 0 1rem;
}

.col-3 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 1rem;
}

/* Grid layout */
.grid {
    display: grid;
    gap: 2rem;
}

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

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

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

/* ============================================
   BUTONLAR
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

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

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

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

.btn-white:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

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

/* Glassmorphism Button (Premium Style) */
.btn-glass {
    background: rgba(19, 34, 60, 0.75);
    /* Dark Blue Glass */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-glass:hover {
    background: var(--primary-dark);
    /* Solid Dark Blue on Hover */
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-dark);
}

.btn-glass i {
    transition: transform 0.3s ease;
}

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

/* ============================================
   HEADER / NAVİGASYON
   ============================================ */
.top-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.top-bar-left a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    opacity: 0.9;
}

.top-bar-left a:hover {
    opacity: 1;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.social-icons {
    display: flex;
    gap: 0.75rem;
}

.social-icons a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary);
    transform: scale(1.1);
}

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

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

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

.logo img {
    height: 50px;
    width: auto;
}

/* Navigasyon */
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(0, 102, 179, 0.05);
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 0.5rem 0;
    z-index: 100;
}

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

.dropdown-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--light-bg);
    color: var(--primary);
    padding-left: 1.5rem;
}

/* Hamburger Menü */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--primary-dark);
    transition: var(--transition);
}

/* ============================================
   PAGE HEADER (Alt Sayfalar İçin)
   ============================================ */
.page-header-bg {
    position: relative;
    padding: 8rem 0;
    text-align: center;
    color: var(--white);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    /* Parallax effect */
    overflow: hidden;
}

/* Sayfa Özel Arkaplan Görselleri */
.bg-about {
    background-image: url('../images/hero/hero-factory.jpg');
}

.bg-services {
    background-image: url('../images/header-services.jpg');
}

.bg-references {
    background-image: url('../images/header-references.jpg');
}

.bg-contact {
    background-image: url('../images/header-contact.jpg');
}

.page-header-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(19, 34, 60, 0.9) 0%, rgba(0, 102, 179, 0.8) 100%);
    z-index: 1;
}

.page-header-bg .container {
    position: relative;
    z-index: 2;
}

.page-header-bg h1 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 3rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-header-bg nav {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.page-header-bg nav a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition);
}

.page-header-bg nav a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    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 1s ease;
}

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

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(19, 34, 60, 0.35) 0%, rgba(0, 102, 179, 0.25) 100%);
    z-index: 1;
    opacity: 0;
    transition: opacity 1s ease;
}

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

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

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.4);
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active,
.hero-dot:hover {
    background: var(--white);
    transform: scale(1.2);
}

/* ============================================
   HİZMETLER (Services)
   ============================================ */
.services {
    background: var(--light-bg);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h4 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.service-card .btn {
    width: 100%;
}

/* ============================================
   İSTATİSTİKLER (Stats Counter)
   ============================================ */
.stats {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 200px;
    opacity: 0.3;
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   MÜŞTERİ YORUMLARI (Testimonials)
   ============================================ */
.testimonials {
    background: var(--white);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: var(--light-bg);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 6rem;
    font-family: serif;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary);
}

.testimonial-info h5 {
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
}

.testimonial-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-stars {
    color: #FFD700;
    margin-top: 0.5rem;
}

/* ============================================
   FAQ - SIKÇA SORULAN SORULAR
   ============================================ */
.faq {
    background: var(--light-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--primary-dark);
    background: var(--white);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding-top: 4rem;
}

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

.footer-brand img {
    height: 50px;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer h5 {
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 0.5rem;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact li i {
    color: var(--secondary);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   STICKY İKONLAR (WhatsApp & Telefon)
   ============================================ */
.sticky-icons {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.sticky-icons a {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.sticky-icons a.whatsapp {
    background: var(--whatsapp);
}

.sticky-icons a.phone {
    background: var(--phone);
}

.sticky-icons a:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Chat Balonu */
.chat-bubble {
    position: fixed;
    right: 85px;
    bottom: 65px;
    background: var(--white);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 250px;
    opacity: 0;
    transform: translateX(20px);
    animation: fadeInBubble 0.5s ease 3s forwards;
    z-index: 9998;
}

.chat-bubble::after {
    content: '';
    position: absolute;
    right: -8px;
    bottom: 20px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-left-color: var(--white);
}

.chat-bubble p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text);
}

.chat-bubble .close-bubble {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: var(--gray);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    cursor: pointer;
}

@keyframes fadeInBubble {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse animasyonu */
@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

.sticky-icons a.whatsapp {
    animation: pulse 2s infinite;
}

/* ============================================
   RESPONSIVE TEMEL KURALLAR
   ============================================ */
@media (max-width: 1199px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .top-bar-left {
        gap: 1rem;
    }

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

@media (max-width: 767px) {
    .section {
        padding: 3rem 0;
    }

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

    .hero {
        min-height: 500px;
    }

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

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

    .top-bar {
        display: none;
    }

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

    .footer h5::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-contact li {
        justify-content: center;
    }

    .stat-item {
        padding: 1rem;
    }
}

@media (max-width: 575px) {
    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }

    .sticky-icons {
        right: 15px;
        bottom: 15px;
    }

    .sticky-icons a {
        width: 50px;
        height: 50px;
    }

    .chat-bubble {
        right: 75px;
        bottom: 60px;
        max-width: 200px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.flex {
    display: flex;
}

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

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

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.py-1 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-2 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-3 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

/* ============================================
   TESTIMONIAL SLIDER STYLES
   ============================================ */
.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    position: relative;
    width: 100%;
    /* min-height dinamik olarak ayarlanacak veya sabit bir değer verilecek */
    /* Yorum uzunluğuna göre değişebilir, JS ile yükseklik ayarı yapılabilir */
}

/* Tüm slaytları üst üste bindir ve gizle */
.testimonial-slide {
    display: none;
    /* JS ile kontrol edilecek */
    padding: 1rem;
    animation: fadeInSlide .5s ease-in-out;
}

.testimonial-slide.active {
    display: block;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.testimonial-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
    border-bottom: 4px solid var(--primary);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary);
    opacity: 0.2;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.avatar-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.testimonial-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.testimonial-dots .dot.active {
    background: var(--primary);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(0, 102, 179, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .testimonial-card {
        padding: 2rem;
    }

    .testimonial-text {
        font-size: 1rem;
    }
}

/* Image Zoom Effect */
.image-zoom {
    overflow: hidden;
    position: relative;
    display: block;
    /* Ensure it behaves like a block for sizing */
}

.image-zoom img {
    transition: transform 0.5s ease;
}

.image-zoom:hover img {
    transform: scale(1.05);
}

/* ============================================
   REFERANSLAR (References) SECTION
   ============================================ */
.reference-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 220px;
}

.reference-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.reference-logo-wrapper {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    padding: 12px;
    overflow: hidden;
}

.reference-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.reference-title {
    font-size: 1.15rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin: 0;
    text-align: center;
    line-height: 1.3;
}