/* CT Energy Website - Main Styles */

:root {
    --primary-color: #00d4ff;
    --secondary-color: #00ff88;
    --dark-bg: #0a0e1a;
    --card-bg: #151923;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: #2d3748;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background-color: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.btn-login {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    color: var(--dark-bg) !important;
    font-weight: 600;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 100%);
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1), transparent 70%);
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
}

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

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    padding: 1rem 2.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-dark {
    background-color: var(--card-bg);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* About Section */
.about-grid {
    display: grid;
    gap: 3rem;
}

.about-content h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.capabilities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.capability {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.capability i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.capability h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.capability p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.solution-card {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.solution-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.solution-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Technology Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.tech-icon i {
    font-size: 1.8rem;
    color: var(--dark-bg);
}

.tech-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tech-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.tech-card ul li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.tech-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/* Manufacturing Grid */
.manufacturing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.manufacturing-item {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.manufacturing-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.manufacturing-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Operations */
.operations-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.operations-map {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
}

.operations-map i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.operations-map h3 {
    margin-bottom: 1rem;
}

.operations-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.operation-type {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
}

.operation-type h4 {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.operation-type h4 i {
    color: var(--primary-color);
}

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

/* Investor Section */
.investor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.investor-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.investor-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.investment-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.highlight {
    background: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.highlight i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.highlight h4 {
    margin-bottom: 0.5rem;
}

.highlight p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Forms */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 5px;
    color: var(--text-primary);
    font-family: inherit;
}

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

.contact-form button {
    border: none;
    cursor: pointer;
}

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

.news-item {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

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

.news-date {
    background: var(--primary-color);
    color: var(--dark-bg);
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.news-content {
    padding: 1.5rem;
}

.news-content h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

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

/* Footer */
.footer {
    background-color: var(--card-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-slide-up {
    animation: fadeIn 1s ease-out 0.6s both;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(10, 14, 26, 0.98);
        padding: 2rem;
        gap: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .solutions-grid,
    .tech-grid,
    .manufacturing-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .investor-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
}