/* ========== GLOBAL STYLES ========== */
:root {
    --primary-color: #1E88E5;
    --secondary-color: #42A5F5;
    --accent-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --error-color: #F44336;
    --bg-light: #E3F2FD;
    --bg-dark: #0D47A1;
    --text-dark: #1565C0;
    --text-light: #424242;
    --border-color: #BBDEFB;
    --white: #FFFFFF;
    --shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
    --shadow-lg: 0 8px 24px rgba(33, 150, 243, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

/* ========== NAVIGATION ========== */
.navbar {
    background: linear-gradient(135deg, #1E88E5 0%, #42A5F5 100%);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-link:hover,
.nav-link.active {
    color: #E3F2FD;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #FFFFFF;
}

.cta-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #FFFFFF;
    transition: all 0.3s ease;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, #1E88E5 0%, #42A5F5 100%);
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #42A5F5 0%, #64B5F6 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #1E88E5;
    border: 2px solid #1E88E5;
}

.btn-secondary:hover {
    background-color: #1E88E5;
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* ========== HERO SECTION ========== */
.hero {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1E88E5 0%, #42A5F5 100%);
    color: #FFFFFF;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.8;
    opacity: 0.95;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(33, 150, 243, 0.2);
    color: #2196F3;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-buttons .btn-secondary {
    background-color: transparent;
    color: #FFFFFF;
    border-color: #FFFFFF;
}

.hero-buttons .btn-secondary:hover {
    background-color: #FFFFFF;
    color: #1E88E5;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.page-hero {
    text-align: center;
    padding: 60px 20px;
}

.page-hero .hero-content {
    grid-template-columns: 1fr;
    gap: 20px;
}

.page-hero h1 {
    font-size: 42px;
}

/* ========== SECTIONS ========== */
section {
    padding: 60px 20px;
}

h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1E88E5;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 40px;
    text-align: center;
}

/* ========== EXCELLENCE SECTION ========== */
.excellence-section {
    max-width: 1200px;
    margin: 0 auto;
}

.excellence-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.excellence-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

.excellence-text p {
    margin-bottom: 15px;
}

.excellence-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.stat {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.stat h3 {
    font-size: 36px;
    color: #1E88E5;
    margin-bottom: 10px;
}

.stat p {
    font-size: 14px;
    color: var(--text-light);
}

.excellence-features h3 {
    margin-bottom: 20px;
    color: #1E88E5;
}

.excellence-features ul {
    list-style: none;
}

.excellence-features li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    font-size: 14px;
    line-height: 1.6;
}

.excellence-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ========== ADVANTAGE SECTION ========== */
.advantage-section {
    background-color: var(--bg-light);
    max-width: 1200px;
    margin: 0 auto;
}

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

.advantage-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1E88E5;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========== PRODUCTS SECTION ========== */
.products-preview {
    background-color: var(--bg-light);
    max-width: 1200px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.products-grid-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-category-card,
.product-category-card-large {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-category-card:hover,
.product-category-card-large:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.category-icon,
.category-icon-large {
    font-size: 40px;
    margin-bottom: 15px;
}

.category-icon-large {
    font-size: 48px;
}

.product-category-card h3,
.product-category-card-large h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1E88E5;
}

.category-description {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
    flex-grow: 1;
}

.category-features {
    list-style: none;
    margin: 15px 0;
    font-size: 13px;
    color: var(--text-light);
}

.category-features li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.category-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #42A5F5;
    font-weight: bold;
}

.explore-link {
    color: #42A5F5;
    font-weight: 600;
    text-decoration: none;
    margin-top: 15px;
}

/* ========== INFRASTRUCTURE ========== */
.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.infrastructure-card {
    background-color: rgba(30, 136, 229, 0.05);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid #1E88E5;
}

.infrastructure-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.infrastructure-card h3 {
    color: #1E88E5;
    margin-bottom: 10px;
}

.infrastructure-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========== CTA SECTION ========== */
.cta-section {
    background: linear-gradient(135deg, #1E88E5 0%, #42A5F5 100%);
    color: #FFFFFF;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-section h2 {
    color: #FFFFFF;
    font-size: 36px;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-secondary {
    background-color: #FFFFFF;
    color: #1E88E5;
    border-color: #FFFFFF;
}

.cta-buttons .btn-secondary:hover {
    background-color: transparent;
    color: #FFFFFF;
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb a {
    color: #42A5F5;
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ========== FOOTER ========== */
.footer {
    background: linear-gradient(135deg, #0D47A1 0%, #1565C0 100%);
    color: #E3F2FD;
    padding: 60px 20px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-column h4 {
    color: #FFFFFF;
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-column p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #E3F2FD;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #FFFFFF;
}

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

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

.social-links a:hover {
    background-color: #42A5F5;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    font-size: 13px;
    color: #BBDEFB;
}

.footer-links {
    display: flex;
    gap: 20px;
}

/* ========== MISSION SECTION ========== */
.mission-section {
    max-width: 1200px;
    margin: 0 auto;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
}

.mission-text {
    grid-column: 1 / 3;
}

.mission-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.mission-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.highlight {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #1E88E5;
}

.highlight strong {
    color: #1E88E5;
    display: block;
    margin-bottom: 8px;
}

.highlight p {
    font-size: 13px;
    color: var(--text-light);
}

/* ========== TIMELINE SECTION ========== */
.timeline-section {
    background-color: var(--bg-light);
    max-width: 1200px;
    margin: 0 auto;
}

.timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: #1E88E5;
    top: 0;
}

.timeline-item {
    margin-bottom: 50px;
    width: 100%;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    width: 45%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
    width: 45%;
}

.timeline-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1E88E5;
    color: #FFFFFF;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    top: 0;
    z-index: 10;
}

.timeline-content {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    color: #1E88E5;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========== INFRASTRUCTURE DETAIL ========== */
.infrastructure-detail-section {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--bg-light);
    padding: 60px 20px;
}

.infrastructure-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.infrastructure-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

.infrastructure-text p {
    margin-bottom: 15px;
}

.infrastructure-image {
    text-align: center;
}

.infrastructure-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* ========== CONTACT FORM ========== */
.contact-info-section {
    max-width: 1200px;
    margin: 0 auto;
}

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

.contact-card {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
}

.contact-card h3 {
    color: #1E88E5;
    margin-bottom: 15px;
    font-size: 18px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 10px;
}

.contact-card a {
    color: #42A5F5;
    text-decoration: none;
    font-weight: 500;
}

.contact-card a:hover {
    text-decoration: underline;
}

.map-container {
    margin-bottom: 40px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-form-section {
    background-color: var(--bg-light);
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row.full-width {
    grid-template-columns: 1fr;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1E88E5;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #42A5F5;
    box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.1);
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 13px;
}

.form-consent input[type='checkbox'] {
    margin-top: 3px;
}

.form-consent a {
    color: #42A5F5;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
}

.form-status.success {
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-status.error {
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ========== WHY CHOOSE SECTION ========== */
.why-choose-section {
    background-color: var(--bg-light);
    max-width: 1200px;
    margin: 0 auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.why-card {
    background-color: var(--white);
    padding: 28px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-top: 4px solid #42A5F5;
}

.why-card h3 {
    color: #1E88E5;
    margin-bottom: 12px;
    font-size: 16px;
}

.why-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}