/* CSS Variables for Logo-based Color Palette */
:root {
    --primary-cyan: #0891b2;      /* Koyu turkuaz - Logo'dan */
    --secondary-cyan: #06b6d4;    /* Orta turkuaz - Logo'dan */
    --accent-cyan: #22d3ee;       /* Açık turkuaz - Logo'dan */
    --dark-cyan: #0e7490;         /* Çok koyu turkuaz - Logo'dan */
    --light-cyan: #cffafe;        /* Çok açık turkuaz - Arka plan */
    --primary-blue: #1e40af;      /* Mavi - Logo'dan */
    --secondary-blue: #3b82f6;    /* Açık mavi - Logo'dan */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(30, 58, 138, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.logo-img {
    width: 65px;
    height: 65px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text-img {
    height: 110px;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--primary-cyan);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 50%, #f0fdfa 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.highlight {
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 2px;
    opacity: 0.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    color: white;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-cyan);
    border: 2px solid var(--primary-cyan);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.1);
}

.btn-secondary:hover {
    background: var(--primary-cyan);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.3);
}

.hero-logo {
    width: 100%;
    max-width: 500px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    object-fit: contain;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(8, 145, 178, 0.08);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.service-image {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin-top: auto;
}

.service-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(6, 182, 212, 0.3);
}

/* About Section */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-cyan);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
}

.about-logo {
    width: 100%;
    max-width: 400px;
    animation: pulse 2s ease-in-out infinite;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.about-values {
    margin-top: 2rem;
}

.about-values h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-cyan);
    margin-bottom: 1rem;
}

.about-values ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.about-values ul li {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.about-values ul li::before {
    content: '✓';
    color: var(--primary-cyan);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Detailed Services Section */
.detailed-services {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 100%);
}

.detailed-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.detailed-service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.detailed-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.detailed-service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-cyan);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-cyan);
    padding-bottom: 0.5rem;
}

.detailed-service-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.5rem 0 1rem 0;
}

.detailed-service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.detailed-service-card ul {
    list-style: none;
    padding-left: 0;
}

.detailed-service-card ul li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.detailed-service-card ul li::before {
    content: '✓';
    color: var(--primary-cyan);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Why Byelcon Section */
.why-byelcon {
    padding: 80px 0;
    background: white;
}

.why-byelcon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.why-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(8, 145, 178, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
}

.why-icon i {
    font-size: 2rem;
    color: white;
}

.why-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.why-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(8, 145, 178, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 3rem;
    color: white;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 15px;
    border: 1px solid var(--gray-200);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
}

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

/* Footer - Yeni Tasarım */
.footer {
    background: linear-gradient(135deg, var(--dark-cyan) 0%, var(--primary-cyan) 50%, var(--secondary-cyan) 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.05"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

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

.footer-logo-img {
    width: 60px;
    height: 60px;
    filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    object-fit: contain;
}

.footer-logo-text {
    height: 70px;
    filter: brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
    object-fit: contain;
}

.footer-about {
    margin-bottom: 1.5rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.social-link i {
    font-size: 1.2rem;
}

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), transparent);
    border-radius: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1rem;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all 0.3s ease;
    color: var(--accent-cyan);
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-contact-item i {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-logo {
        gap: 0.8rem;
    }

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

    .logo-text-img {
        height: 70px;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: 80vh;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .hero-logo {
        max-width: 200px;
        margin: 0 auto;
        animation: none;
    }

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

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-logo {
        max-width: 200px;
        margin: 0 auto;
        display: block;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-logo {
        gap: 0.6rem;
    }

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

    .logo-text-img {
        height: 60px;
    }

    .hero {
        padding: 80px 0 40px;
        min-height: 70vh;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.2rem;
    }

    .hero-logo {
        max-width: 150px;
        margin: 0 auto;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        padding: 0.9rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-logo {
        max-width: 200px;
        margin: 0 auto;
        display: block;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .detailed-services-grid {
        grid-template-columns: 1fr;
    }

    .why-byelcon-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-logo-img {
        width: 50px;
        height: 50px;
    }

    .footer-logo-text {
        height: 60px;
    }
}

/* Service Pages Styles */
.service-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.service-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.service-hero-text h1 {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.service-hero-subtitle {
    font-size: 1.3rem;
    color: var(--primary-cyan);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.service-hero-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-hero-logo {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: contain;
    border-radius: 25px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    background: white;
    padding: 1rem;
}

.service-hero-logo:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(8, 145, 178, 0.25);
}

.service-hero-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 25px;
    opacity: 0.1;
    z-index: 1;
    transition: all 0.3s ease;
}

.service-hero-image:hover::before {
    opacity: 0.2;
    transform: translateY(-5px);
}

.service-details {
    padding: 80px 0;
    background: white;
}

.service-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-detail-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.detail-icon i {
    font-size: 2rem;
    color: white;
}

.service-detail-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-cyan);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-cyan);
    padding-bottom: 0.5rem;
}

.service-detail-card ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-card ul li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-detail-card ul li::before {
    content: '✓';
    color: var(--primary-cyan);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.service-process {
    padding: 80px 0;
    background: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.process-step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-benefits {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light-cyan) 0%, #ecfeff 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(8, 145, 178, 0.15);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon i {
    font-size: 1.5rem;
    color: white;
}

.benefit-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-cyan));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.cta-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: var(--primary-cyan);
}

/* Responsive for service pages */
@media (max-width: 768px) {
    .service-hero {
        padding: 100px 0 60px;
        min-height: 60vh;
    }

    .service-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .service-hero-text h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .service-hero-subtitle {
        font-size: 1.1rem;
    }

    .service-hero-logo {
        max-width: 400px;
        height: 300px;
        margin: 0 auto;
        object-fit: contain;
        background: white;
        padding: 0.8rem;
    }

    .service-hero-image::before {
        top: 15px;
        left: 15px;
        right: -15px;
        bottom: -15px;
    }

    .process-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .service-hero {
        padding: 80px 0 40px;
        min-height: 50vh;
    }

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

    .service-hero-subtitle {
        font-size: 1rem;
    }

    .service-hero-logo {
        max-width: 300px;
        height: 250px;
        object-fit: contain;
        background: white;
        padding: 0.6rem;
    }

    .service-hero-image::before {
        top: 10px;
        left: 10px;
        right: -10px;
        bottom: -10px;
    }
}