/* RESET & VARIABLES */
:root {
    --primary-red: #D32F2F; /* Daha olgun, kurumsal kırmızı */
    --primary-dark: #B71C1C;
    --dark-gray: #1E272E;
    --light-gray: #F8F9FA;
    --medium-gray: #636E72;
    --white: #FFFFFF;
    --accent-yellow: #FFC107;
    --text-color: #2D3436;
    --border-color: #E0E0E0;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-gray);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* UTILITIES */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

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

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

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

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

.section-title {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-subtitle {
    display: block;
    color: var(--primary-red);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider {
    width: 60px;
    height: 4px;
    background-color: var(--primary-red);
    margin: 20px auto 0;
    border-radius: 2px;
}

.divider-left {
    width: 60px;
    height: 4px;
    background-color: var(--primary-red);
    margin: 20px 0;
    border-radius: 2px;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 14px 35px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-sm {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--white);
    color: var(--dark-gray);
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: 4px;
    text-transform: uppercase;
}

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

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

/* TOP BAR */
.top-bar {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 12px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.contact-info a, .contact-info span {
    color: #e0e0e0;
    margin-right: 25px;
    display: inline-flex;
    align-items: center;
}

.contact-info i {
    color: var(--primary-red);
    margin-right: 8px;
    font-size: 0.9rem;
}

.social-icons span {
    margin-right: 15px;
    color: #aaa;
}

.social-icons a {
    color: var(--white);
    margin-left: 10px;
    width: 30px;
    height: 30px;
    background-color: rgba(255,255,255,0.1);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 0.8rem;
}

.social-icons a:hover {
    background-color: var(--primary-red);
}

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

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    transition: var(--transition);
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    display: flex;
    align-items: center;
    letter-spacing: -1px;
    transition: var(--transition);
}

.logo:hover h1 {
    transform: scale(1.05);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.logo:hover i {
    transform: rotate(15deg);
}

.logo i {
    color: var(--primary-red);
    margin-right: 12px;
    font-size: 1.6rem;
    transition: var(--transition);
}

.logo span {
    color: var(--primary-red);
    font-weight: 400;
    margin-left: 5px;
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 0.9rem;
    position: relative;
    padding: 5px 0;
    text-transform: uppercase;
}

.main-nav a:not(.nav-btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-red);
    transition: var(--transition);
}

.main-nav a:not(.nav-btn):hover::after, .main-nav a.active::after {
    width: 100%;
}

.main-nav a:not(.nav-btn):hover, .main-nav a.active {
    color: var(--primary-red);
}

.nav-btn {
    background-color: var(--primary-red);
    color: var(--white) !important;
    padding: 10px 25px !important;
    border-radius: 4px;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

/* HERO SECTION */
.hero {
    height: 85vh;
    min-height: 600px;
    background-image: url('https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.5));
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
}

.hero .subtitle {
    display: inline-block;
    background-color: rgba(227, 30, 36, 0.2);
    color: #ff5252;
    padding: 5px 15px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(227, 30, 36, 0.5);
}

.hero h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero h1 .text-highlight {
    color: var(--primary-red);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: #e0e0e0;
    font-weight: 300;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* STATS SECTION */
.stats-section {
    background-color: var(--primary-red);
    padding: 60px 0;
    color: var(--white);
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background-color: rgba(255,255,255,0.3);
}

.stat-item i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

.stat-item .counter {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ABOUT SECTION */
.about-wrapper {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-img {
    flex: 1;
    position: relative;
}

.about-img img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    left: -30px;
    background-color: var(--primary-red);
    color: var(--white);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(211, 47, 47, 0.4);
    min-width: 160px;
}

.experience-badge .years {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    font-family: 'Montserrat', sans-serif;
}

.experience-badge .text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    line-height: 1.4;
    margin-top: 5px;
    display: block;
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.check-list {
    margin: 30px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.check-list li {
    display: flex;
    align-items: center;
    font-weight: 500;
    color: var(--text-color);
}

.check-list i {
    color: var(--primary-red);
    margin-right: 10px;
    font-size: 1.1rem;
}

/* PRODUCTS SECTION */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #eee;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-red);
}

.card-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .card-img img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .card-overlay {
    opacity: 1;
}

.card-content {
    padding: 30px;
    text-align: center;
    flex-grow: 1;
    position: relative;
}

.card-content .icon {
    width: 60px;
    height: 60px;
    background-color: var(--light-gray);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: -60px auto 15px;
    position: relative;
    z-index: 2;
    border: 4px solid var(--white);
    color: var(--primary-red);
    font-size: 1.5rem;
    transition: var(--transition);
}

.product-card:hover .card-content .icon {
    background-color: var(--primary-red);
    color: var(--white);
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.card-content p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* WHY US SECTION */
.why-us {
    overflow: hidden;
}

.why-us .row {
    display: flex;
    align-items: center;
    gap: 50px;
}

.why-us .col-half {
    flex: 1;
}

.why-us-img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
}

.feature-item {
    display: flex;
    margin-bottom: 30px;
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateX(10px);
}

.feature-icon {
    min-width: 60px;
    height: 60px;
    background-color: var(--primary-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-text h4 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.feature-text p {
    color: #bbb;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* SERVICES SECTION */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-item {
    background-color: var(--white);
    padding: 50px 30px;
    text-align: center;
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border-bottom: 3px solid transparent;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--primary-red);
}

.service-item .icon-box {
    width: 80px;
    height: 80px;
    background-color: rgba(211, 47, 47, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service-item:hover .icon-box {
    background-color: var(--primary-red);
    transform: scale(1.1);
}

.service-item .icon-box i {
    font-size: 2.5rem;
    color: var(--primary-red);
    transition: var(--transition);
}

.service-item:hover .icon-box i {
    color: var(--white);
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* REFERENCES */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
    justify-items: center;
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #ccc;
    transition: var(--transition);
    cursor: pointer;
}

.logo-item:hover {
    color: var(--primary-red);
    transform: scale(1.1);
}

.logo-item i {
    margin-bottom: 10px;
}

.logo-item span {
    font-size: 0.9rem;
    font-weight: 600;
}

/* CONTACT SECTION */
.contact-wrapper {
    display: flex;
    gap: 50px;
}

.contact-info-box, .contact-form-box {
    flex: 1;
}

.contact-info-box h3, .contact-form-box h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.contact-info-box p.mb-30 {
    color: #aaa;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.info-item i {
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.05);
    color: var(--primary-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    font-size: 1.2rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.info-item:hover i {
    background-color: var(--primary-red);
    color: var(--white);
}

.info-item h4 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-item p {
    color: #ccc;
}

.info-item a {
    color: #ccc;
}

.info-item a:hover {
    color: var(--primary-red);
}

.contact-form-box {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.contact-form-box h3 {
    color: var(--dark-gray);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    flex: 1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background-color: #f9f9f9;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-red);
    outline: none;
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.1);
}

/* FOOTER */
.main-footer {
    background-color: #111;
    color: #bbb;
    font-size: 0.9rem;
}

.footer-top {
    padding: 80px 0 50px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    border-bottom: 1px solid #222;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-brand span {
    color: var(--primary-red);
    font-weight: 400;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-red);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.footer-links i {
    margin-right: 8px;
    font-size: 0.8rem;
    color: var(--primary-red);
}

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

.footer-contact li {
    display: flex;
    margin-bottom: 15px;
    align-items: flex-start;
}

.footer-contact i {
    color: var(--primary-red);
    margin-right: 15px;
    margin-top: 5px;
}

.footer-social {
    margin-top: 25px;
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary-red);
    transform: translateY(-3px);
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.designer a {
    color: #bbb;
    text-decoration: none;
    transition: var(--transition);
}

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

/* WHATSAPP BUTTON */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    background-color: #20BA5A;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .stat-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 3rem;
    }
    
    .about-wrapper {
        flex-direction: column;
    }
    
    .about-img {
        width: 100%;
        margin-bottom: 40px;
    }
    
    .experience-badge {
        bottom: -20px;
        left: 20px;
    }
    
    .why-us .row {
        flex-direction: column;
    }
    
    .contact-wrapper {
        flex-direction: column;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .main-header .container {
        height: 70px;
    }

    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }
    
    .main-nav ul.show {
        display: flex;
    }
    
    .main-nav li {
        margin: 0;
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
    }
    
    .main-nav a::after {
        display: none;
    }
    
    .nav-btn {
        margin: 15px 20px;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .check-list {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Extra Mobile Optimizations */
@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .section-padding {
        padding: 60px 0;
    }

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

    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }

    .experience-badge {
        left: 50%;
        transform: translateX(-50%);
        bottom: -30px;
        width: 90%;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .logo i {
        font-size: 1.2rem;
    }
    
    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}