:root {
    --color-primary: #003366; /* Navy Blue */
    --color-primary-dark: #002244;
    --color-secondary: #00a8cc; /* Aqua/Safir */
    --color-accent: #e0f7fa;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-bg: #f4f7f6;
    --color-bg-alt: #ffffff;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; text-align: center; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; }

.text-center { text-align: center; }
.section-title {
    position: relative;
    padding-bottom: var(--spacing-sm);
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}
.btn-secondary:hover {
    background-color: #008ba3;
}

.btn-outline {
    border: 2px solid var(--color-white);
    color: var(--color-white);
    background: transparent;
}
.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

/* Navbar */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 45px;
    margin-right: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.brand-suffix {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 3.5px;
    margin-left: 2px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--color-secondary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-switch {
    border: 1px solid var(--color-primary);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.9rem;
}

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

/* Welcome Screen */
.welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
    transition: opacity 0.5s ease-out, visibility 0.5s;
}

.welcome-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.welcome-content {
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

.welcome-logo {
    width: 120px;
    height: auto;
    margin: 0 auto var(--spacing-sm);
    animation: pulse 2s infinite ease-in-out;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
}

.welcome-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 800;
}

.welcome-subtitle {
    font-size: 1.5rem;
    color: var(--color-secondary);
    letter-spacing: 8px;
    margin-bottom: 2rem;
    font-weight: 400;
    text-transform: uppercase;
}

.welcome-slogan {
    margin-top: 3rem;
    font-style: italic;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
    animation: fadeIn 2s ease-out;
}

.welcome-loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top-color: var(--color-secondary);
    margin: 0 auto;
    animation: spin 1s linear infinite;
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 168, 204, 0.6)), url('../img/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh; /* Fallback */
    min-height: 600px;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--color-white);
    padding-top: 70px;
    background-color: var(--color-primary); /* Fallback color */
}

.hero h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Trust Band */
.trust-band {
    background-color: var(--color-white);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow);
}
.trust-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--color-primary);
}

/* Services Grid */
.services-section {
    padding: var(--spacing-lg) 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}
.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--color-secondary);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.service-icon {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Why Us */
.why-us {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
}
.why-us-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
}
.why-us-text {
    flex: 1;
    min-width: 300px;
}
.why-us-img {
    flex: 1;
    min-width: 300px;
    height: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.why-us-list li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 25px;
}
.why-us-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-accent);
    text-align: center;
}
.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}
.testimonial-slide {
    min-width: 100%;
    padding: var(--spacing-md);
}
.testimonial-content {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}
.testimonial-author {
    margin-top: var(--spacing-sm);
    font-weight: bold;
    color: var(--color-primary);
}

/* CTA Band */
.cta-band {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
}
.cta-band .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}
.cta-band h3 {
    color: var(--color-white);
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--color-primary-dark);
    color: #ccc;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}
.footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}
.footer-links li {
    margin-bottom: 0.5rem;
}
.footer-links a:hover {
    color: var(--color-secondary);
}
.social-icons {
    display: flex;
    gap: 1rem;
}
.social-icons a {
    font-size: 1.2rem;
    color: var(--color-white);
}
.copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-sm);
    font-size: 0.9rem;
}

/* Pages Specific */
.page-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* About Page */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--color-primary-light);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}
.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    box-sizing: border-box;
}
.timeline-item:nth-child(odd) {
    left: 0;
}
.timeline-item:nth-child(even) {
    left: 50%;
}
.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: var(--color-white);
    border: 4px solid var(--color-secondary);
    top: 25px;
    border-radius: 50%;
    z-index: 1;
}
.timeline-item:nth-child(even)::after {
    left: -16px;
}
.timeline-content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
.timeline-content:hover {
    transform: translateY(-5px);
}
.timeline-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
/* Mobile Responsive adjustments for Timeline */
@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-item:nth-child(even) {
        left: 0%;
    }
    .timeline-item::after {
        left: 15px;
    }
    .timeline-item:nth-child(even)::after {
        left: 15px;
    }
}

/* Services Page */
.service-detail-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.service-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.service-detail-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
}

.service-detail-header h3 {
    color: var(--color-white);
    margin-bottom: 0;
}
.service-detail-body {
    padding: var(--spacing-md);
}
.accordion {
    max-width: 800px;
    margin: 0 auto;
}
.accordion-item {
    border-bottom: 1px solid #ddd;
}
.accordion-header {
    width: 100%;
    text-align: left;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
}
.accordion-content {
    display: none;
    padding: var(--spacing-sm);
    color: var(--color-text-light);
}
.accordion-content.active {
    display: block;
}

/* Contact Page */
.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}
.contact-info, .contact-form-wrapper {
    flex: 1;
    min-width: 300px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}
.form-group {
    margin-bottom: var(--spacing-sm);
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}
.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

/* Floating Whatsapp */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    font-size: 30px;
}
.whatsapp-float:hover {
    background-color: #128c7e;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 2000;
}
.toast.show {
    opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
    }
    .nav-links.active {
        display: flex;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .cta-band .container {
        justify-content: center;
    }
    .contact-wrapper {
        flex-direction: column;
    }
}