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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

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

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

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

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.slide-content {
    position: relative;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.slide-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: #fbbf24;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.slider-nav button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

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

.slider-nav .prev {
    left: 30px;
}

.slider-nav .next {
    right: 30px;
}

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

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

/* 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: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Core Values Section */
.core-values-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-10px);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
}

.value-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.value-item p {
    color: #6b7280;
    font-size: 0.9rem;
}

/* About Preview Section */
.about-preview-section {
    padding: 40px 0 80px;
    background: #f9fafb;
}

.about-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 30px;
    line-height: 1.7;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #6b7280;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

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

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

.service-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

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

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

.service-content {
    padding: 25px;
}

.service-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.service-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Why Choose Us Section */
.why-choose-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.choose-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.choose-features {
    display: grid;
    gap: 25px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateX(10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 5px;
}

.feature-text p {
    color: #6b7280;
    font-size: 0.9rem;
}

/* Company Mission Section */
.company-mission-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #065f46, #047857);
    color: white;
}

.company-mission-section .section-header h2 {
    color: white;
    font-size: 2.2rem;
}

.company-mission-section .section-header h3 {
    color: #fbbf24;
    font-size: 1.8rem;
    margin-top: 1rem;
}

.company-mission-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-top: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.mission-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.mission-value {
    text-align: center;
    padding: 30px 20px;
}

.mission-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fbbf24;
    font-size: 2rem;
    backdrop-filter: blur(10px);
}

.mission-value h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.mission-value p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* About Hero */
.about-hero {
    height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(16, 185, 129, 0.6));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* About Navigation */
.about-nav-section {
    background: white;
    padding: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.about-nav-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
}

.nav-tab {
    background: none;
    border: none;
    padding: 20px 30px;
    font-size: 1rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.nav-tab:hover {
    color: #2563eb;
    background: #f8fafc;
}

.nav-tab.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
    background: #f8fafc;
}

/* About Content */
.about-content-section {
    padding: 80px 0;
    background: #f9fafb;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.content-card {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    max-width: 1000px;
    margin: 0 auto;
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2rem;
}

.content-card h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 30px;
}

.content-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
    text-align: center;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.vision-item {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.vision-item:hover {
    transform: translateY(-5px);
}

.vision-item i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.company-story {
    margin-top: 40px;
}

.story-section {
    margin-bottom: 30px;
    text-align: left;
}

.story-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.highlight-box {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 30px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: #2563eb;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.highlight-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.quality-principles {
    margin-top: 30px;
}

.principle {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f0f9ff;
    border-radius: 10px;
    margin-top: 20px;
}

.principle i {
    color: #10b981;
    font-size: 1.5rem;
}

/* Blog Hero */
.blog-hero {
    background: linear-gradient(135deg, #1e40af, #2563eb);
    padding: 120px 0 80px;
    text-align: center;
    color: white;
}

.blog-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.blog-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Blog Main */
.blog-main {
    padding: 80px 0;
    background: #f9fafb;
}

.blog-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.blog-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #2563eb;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.blog-card-content {
    padding: 30px;
}

.blog-card-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.blog-excerpt {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more-btn {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.read-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.close:hover {
    color: #000;
}

.modal-header {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 30px;
    border-radius: 20px 20px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.8rem;
}

.modal-body {
    padding: 40px;
}

.advantage-list {
    margin-top: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8fafc;
    border-radius: 15px;
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: #2563eb;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.advantage-text h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.climate-warning {
    background: #fef2f2;
    border-left: 4px solid #dc2626;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.climate-warning h3 {
    color: #dc2626;
    margin-bottom: 15px;
}

.warning-list {
    list-style: none;
    padding: 0;
}

.warning-list li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.warning-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.solution-box {
    background: #f0fdf4;
    border-left: 4px solid #10b981;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.solution-box h3 {
    color: #065f46;
    margin-bottom: 15px;
}

.about-navigation {
    margin-bottom: 40px;
}

.about-nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    justify-content: center;
}

.about-nav-list li a {
    display: block;
    padding: 10px 15px;
    background: #e5e7eb;
    color: #374151;
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.about-nav-list li a:hover {
    background: #2563eb;
    color: white;
}

.about-sections {
    margin-bottom: 40px;
}

.about-subsection {
    margin-bottom: 40px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-subsection h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
    border-bottom: 2px solid #2563eb;
    padding-bottom: 10px;
}

.about-subsection ul {
    list-style: none;
    padding-left: 0;
}

.about-subsection li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: #4b5563;
}

.about-subsection li::before {
    content: '•';
    color: #2563eb;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.about-images img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Blog Section */
.blog-section {
    padding: 80px 0;
    background: white;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.blog-post {
    background: #f9fafb;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.blog-post img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-content {
    padding: 30px;
}

.blog-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1f2937;
}

.blog-advantages {
    display: grid;
    gap: 20px;
}

.advantage-point {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.advantage-point i {
    color: #2563eb;
    font-size: 1.25rem;
    margin-top: 5px;
}

.advantage-point h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.advantage-point p {
    color: #4b5563;
    font-size: 0.9rem;
}

.climate-stats {
    display: grid;
    gap: 20px;
}

.stat-callout {
    padding: 20px;
    background: #fef3c7;
    border-radius: 10px;
    border-left: 4px solid #f59e0b;
}

.stat-callout h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 5px;
}

.critical-warning {
    padding: 25px;
    background: #fef2f2;
    border-radius: 10px;
    border-left: 4px solid #dc2626;
}

.critical-warning h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #dc2626;
    margin-bottom: 15px;
}

.critical-warning ul {
    list-style: none;
    padding-left: 0;
}

.critical-warning li {
    padding: 5px 0;
    color: #7f1d1d;
    position: relative;
    padding-left: 20px;
}

.critical-warning li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.renewable-importance {
    padding: 20px;
    background: #f0fdf4;
    border-radius: 10px;
    border-left: 4px solid #10b981;
}

.renewable-importance h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #065f46;
    margin-bottom: 10px;
}

.renewable-importance p {
    color: #047857;
}

/* Contact Section */
.contact-section {
    background: #f9fafb;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1f2937;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1f2937;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-item i {
    color: #2563eb;
    font-size: 1.25rem;
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1f2937;
}

.contact-item p {
    color: #6b7280;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-closing {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #065f46, #047857);
    border-radius: 15px;
    text-align: center;
}

.contact-closing p {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #d1d5db;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .values-grid,
    .mission-values-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .renewable-features {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .about-nav-list {
        flex-direction: column;
        align-items: center;
    }
    
    .about-images {
        grid-template-columns: 1fr;
    }
    
    .slider-nav .prev {
        left: 10px;
    }
    
    .slider-nav .next {
        right: 10px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 0.875rem;
    }
    
    .value-item,
    .mission-value {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}