/* Corporate Official Website Styles */
:root {
    --primary-color: #00468b; /* Professional Corporate Blue */
    --secondary-color: #2c3e50;
    --accent-color: #007bff;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e1e4e8;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Header & Navigation */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 45px;
    width: auto;
}

.nav ul {
    display: flex;
    gap: 40px;
}

.nav ul li a {
    font-size: 16px;
    font-weight: 500;
    color: var(--secondary-color);
    letter-spacing: 0.5px;
}

.nav ul li a:hover, .nav ul li a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding-top: 80px;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    right: -10%;
    top: -10%;
    width: 60%;
    height: 120%;
    background: rgba(0, 70, 139, 0.03);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 2.25rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 50px 40px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    text-align: left;
}

.feature-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 70, 139, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--text-light);
    font-size: 1rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #003366;
    box-shadow: 0 10px 20px rgba(0, 70, 139, 0.2);
}

/* Footer */
.footer {
    background: #1a252f;
    color: #ecf0f1;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #bdc3c7;
}

.footer-nav h5 {
    margin-bottom: 25px;
    color: var(--white);
}

.footer-nav ul li {
    margin-bottom: 12px;
}

.footer-nav ul li a {
    color: #bdc3c7;
    font-size: 0.9rem;
}

.footer-nav ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #95a5a6;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav { display: none; } /* Mobile menu implementation needed for real use */
    .container { padding: 0 20px; }
    .footer-grid { grid-template-columns: 1fr; }
}