/* Ventori Energy - Corporate Website Styles */

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

:root {
    --primary-color: #1a5d1a;
    --secondary-color: #2e7d32;
    --accent-color: #4caf50;
    --accent-dark: #388e3c;
    --text-color: #2d3748;
    --light-gray: #f5f9f5;
    --white: #ffffff;
    --dark-overlay: rgba(26, 93, 26, 0.85);
    --nigus-blue: #1a365d;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 5px 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(var(--dark-overlay), var(--dark-overlay)),
                url('../images/hero-bg.jpg') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

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

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-left: 15px;
}

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

/* Sections */
section {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title p {
    color: #718096;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-content p {
    margin-bottom: 20px;
    color: #4a5568;
}

.about-image {
    background: var(--light-gray);
    height: 400px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
}

/* Services Section */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card p {
    color: #718096;
}

/* Stats Section */
.stats {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0;
}

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

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-item p {
    opacity: 0.8;
    font-size: 1.1rem;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.team-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--light-gray);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    font-size: 3rem;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.team-member p {
    color: #718096;
}

/* Contact Section */
.contact {
    background: var(--light-gray);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
    color: #4a5568;
}

.contact-details {
    margin-bottom: 30px;
}

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

.contact-item span {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-right: 15px;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-about p {
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    opacity: 1;
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 10px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    opacity: 0.8;
}

/* Page Headers */
.page-header {
    background: linear-gradient(var(--dark-overlay), var(--dark-overlay)),
                url('../images/page-header-bg.jpg') center/cover no-repeat;
    padding: 150px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* About Page Specific */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value-card p {
    color: #718096;
}

/* Services Page Specific */
.service-detail {
    padding: 60px 0;
    border-bottom: 1px solid #e2e8f0;
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.service-detail:nth-child(even) .service-detail-grid {
    direction: rtl;
}

.service-detail:nth-child(even) .service-detail-grid > * {
    direction: ltr;
}

.service-detail-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-detail-content p {
    color: #4a5568;
    margin-bottom: 15px;
}

.service-detail-content ul {
    margin-top: 20px;
}

.service-detail-content ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #4a5568;
}

.service-detail-content ul li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.service-image {
    background: var(--light-gray);
    height: 300px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }

    .about-grid,
    .contact-grid,
    .service-detail-grid {
        grid-template-columns: 1fr;
    }

    .service-detail:nth-child(even) .service-detail-grid {
        direction: ltr;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .page-header {
        padding: 120px 0 60px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .stat-item h3 {
        font-size: 2.5rem;
    }
}