/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --text-color: #374151;
    --text-light: #6b7280;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

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

/* Top Bar */
.top-bar {
    background: var(--dark-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.top-bar-left a,
.top-bar-right a {
    color: var(--white);
    text-decoration: none;
    margin-right: 20px;
    transition: var(--transition);
}

.top-bar-left a:hover,
.top-bar-right a:hover {
    color: var(--accent-color);
}

.whatsapp-link {
    background: #25d366;
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: 500;
}

.whatsapp-link:hover {
    background: #20ba5a;
    color: var(--white) !important;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.site-logo {
    object-fit: contain;
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(30, 64, 175, 0.8));
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 10;
    pointer-events: none;
}

.hero-nav-btn {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
    pointer-events: all;
    backdrop-filter: blur(10px);
}

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

.hero-nav-btn.prev {
    left: 30px;
}

.hero-nav-btn.next {
    right: 30px;
}

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #d97706);
    color: var(--white);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d97706, var(--accent-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

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

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--white);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline:hover::before {
    left: 0;
}

.btn-outline:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.about-section .section-header p {
    font-size: 1.3rem;
    color: var(--text-color);
}

/* About Section */
.about-section {
    background: var(--light-color);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.about-image {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.about-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 600;
}

.about-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-top: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.service-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.service-card-link:hover {
    text-decoration: none;
}

.service-card-link * {
    text-decoration: none !important;
}

/* Service Detail Page */
.service-detail-hero {
    padding: 100px 0 40px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: #ffffff;
}

.service-detail-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
    gap: 40px;
    align-items: center;
}

.service-detail-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

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

.service-detail-icon {
    width: 140px;
    height: 140px;
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.service-detail-icon i {
    font-size: 56px;
    color: #fbbf24;
}

.service-detail-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.service-detail-summary {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.service-detail-body {
    padding: 50px 0 80px 0;
    background: #f9fafb;
}

.service-detail-text {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    font-size: 15px;
    line-height: 1.9;
    color: #4b5563;
}

@media (max-width: 768px) {
    .service-detail-wrapper {
        grid-template-columns: 1fr;
    }
    .service-detail-hero {
        padding: 80px 0 30px 0;
    }
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(30, 64, 175, 0.1));
    transition: left 0.5s ease;
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
    border-top-color: var(--accent-color);
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--accent-color);
}

.service-image {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    transition: color 0.3s ease;
    font-weight: 600;
}

.service-card:hover h3 {
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
    transition: color 0.3s ease;
}

.service-card:hover p {
    color: var(--text-color);
}

/* Statistics Section */
.statistics-section {
    background: linear-gradient(180deg, #1e3a8a 0%, #1e40af 50%, #1e3a8a 100%);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.statistics-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    opacity: 1;
}

.statistics-section .section-header {
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.statistics-section .section-header h2 {
    color: var(--white);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.statistics-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
    position: relative;
    z-index: 1;
}

.statistic-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.statistic-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

.statistic-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s;
}

.statistic-card:hover::before,
.statistic-card:hover::after {
    opacity: 1;
}

.statistic-card:hover {
    transform: translateY(-15px) scale(1.03);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 215, 0, 0.2);
}

.statistic-icon {
    font-size: 64px;
    color: #ffd700;
    margin-bottom: 25px;
    display: inline-block;
    transition: all 0.5s;
    text-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    filter: drop-shadow(0 4px 8px rgba(255, 215, 0, 0.3));
}

.statistic-card:hover .statistic-icon {
    transform: scale(1.15) rotate(5deg);
    color: #ffed4e;
    text-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.statistic-content {
    position: relative;
    z-index: 1;
}

.statistic-value {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 8px;
    display: inline-block;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
}

.statistic-suffix {
    font-size: 40px;
    font-weight: 700;
    color: #ffd700;
    display: inline-block;
    margin-left: 5px;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.4);
}

.statistic-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .statistics-section {
        padding: 60px 0;
    }
    
    .statistics-section .section-header h2 {
        font-size: 32px;
    }
    
    .statistics-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 25px;
    }
    
    .statistic-card {
        padding: 40px 25px;
    }
    
    .statistic-value {
        font-size: 42px;
    }
    
    .statistic-suffix {
        font-size: 28px;
    }
    
    .statistic-icon {
        font-size: 48px;
        margin-bottom: 20px;
    }
    
    .statistic-title {
        font-size: 16px;
    }
}

/* Projects Section */
.projects-section {
    background: var(--light-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
}

.project-card * {
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(30, 64, 175, 0.95) 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(5px);
}

.project-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.project-card:hover .project-overlay::before {
    opacity: 1;
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: scale(1);
}

.project-card:hover .project-image img {
    transform: scale(1.15);
    filter: brightness(0.7);
}

.project-overlay-content {
    position: relative;
    z-index: 1;
    width: 100%;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-overlay-icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
}

.project-card:hover .project-overlay-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.project-overlay h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1.3;
}

.project-overlay p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.95;
    max-height: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-category {
    display: inline-block;
    background: var(--accent-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 15px;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
    transition: all 0.3s;
}

.project-card:hover .project-category {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.project-overlay-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
    opacity: 0;
    transform: translateX(20px);
}

.project-card:hover .project-overlay-button {
    opacity: 1;
    transform: translateX(0);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.project-overlay-button:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateX(5px) scale(1.1);
}

/* Proje Modal Responsive */
@media (max-width: 768px) {
    #projectModal #prevProjectBtn,
    #projectModal #nextProjectBtn {
        width: 40px !important;
        height: 40px !important;
        font-size: 18px !important;
    }
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

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

.contact-item a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-form {
    background: var(--light-color);
    padding: 40px;
    border-radius: 10px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

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

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

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

    .hero-description {
        font-size: 1rem;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .hero-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .hero-nav-btn.prev {
        left: 10px;
    }

    .hero-nav-btn.next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 1.6rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .service-icon {
        font-size: 2.2rem;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
    }
    
    .about-card {
        padding: 20px 15px;
    }
    
    .about-card h3 {
        font-size: 1.3rem;
    }
    
    .about-card p {
        font-size: 0.95rem;
    }
    
    .top-bar {
        display: none;
    }
    
    .logo h2 {
        font-size: 18px;
    }
    
    .site-logo {
        max-height: 45px !important;
    }
}

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