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

:root {
    --primary-color: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #0ea5e9;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-section {
    flex: 1;
}

.company-name {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.tagline {
    font-size: 1.25rem;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, #0ea5e9, #06b6d4);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.375rem;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 300;
}

/* Sections */
.section {
    padding: 3rem 2rem;
}

.section:nth-child(even) {
    background: var(--bg-light);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

/* Content Cards */
.content-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.section:nth-child(even) .content-card {
    box-shadow: var(--shadow-lg);
}

.lead-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
}

.lead-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

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

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

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

.service-icon.energy::before {
    content: '⚡';
    font-size: 2.5rem;
    color: white;
    position: absolute;
}

.service-icon.tender::before {
    content: '📋';
    font-size: 2.5rem;
    color: white;
    position: absolute;
}

.service-icon.industrial::before {
    content: '⚙️';
    font-size: 2.5rem;
    color: white;
    position: absolute;
}

.service-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

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

.international-item {
    text-align: center;
    padding: 1.5rem;
}

.icon-wrapper {
    display: inline-flex;
    padding: 1rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    margin-bottom: 1rem;
}

.icon-wrapper svg {
    stroke: white;
}

.international-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

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

/* Expertise List */
.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.expertise-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--bg-white);
    padding: 1.75rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--success-color);
    transition: all 0.3s ease;
}

.expertise-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.check-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
}

.expertise-item p {
    color: var(--text-dark);
    font-size: 1.125rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-card {
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.contact-item svg {
    flex-shrink: 0;
    stroke: var(--secondary-color);
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #374151 100%);
    color: white;
    padding: 2.5rem 2rem;
    text-align: center;
}

.footer p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-tagline {
    font-size: 0.95rem;
    opacity: 0.7;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem;
    }

    .container {
        border-radius: 12px;
    }

    .header {
        padding: 2rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .company-name {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .hero {
        padding: 2.5rem 1.5rem;
    }

    .hero-content h2 {
        font-size: 1.75rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }

    .section {
        padding: 2rem 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .content-card {
        padding: 1.75rem;
    }

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

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

    .service-card {
        padding: 2rem;
    }

    .expertise-item {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .location {
        font-size: 1rem;
        padding: 0.625rem 1rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
    }

    .service-card,
    .content-card,
    .expertise-item {
        break-inside: avoid;
    }
}