:root {
    /* Colors */
    --color-primary: #1A3E5C; /* Deep Teal/Blue */
    --color-secondary: #0A1B2A; /* Darker Blue/Almost Black */
    --color-accent: #E8AF3C; /* Subtle Gold/Bronze */
    --color-text-light: #E0E0E0; /* Light Grey for dark backgrounds */
    --color-text-dark: #333333; /* Dark Grey for light backgrounds */
    --color-background-light: #F7F7F7; /* Very light grey */
    --color-background-dark: #12283A; /* Slightly lighter than secondary for contrast */
    --color-gradient-start: #1A3E5C;
    --color-gradient-end: #0A1B2A;

    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --border-radius-sm: 5px;
    --border-radius-md: 10px;

    /* Shadows */
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 12px 30px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-speed: 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-background-light);
    overflow-x: hidden; /* Prevent horizontal scroll from animations */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

h1 { font-size: 2.8rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.8rem; }
p { margin-bottom: var(--spacing-sm); }

.section-padding {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
}

.section-dark h3, .section-dark h4 {
    color: var(--color-accent);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-dark); 
}
.section-dark .section-subtitle {
    color: var(--color-text-light);
}


/* Header */
.main-header {
    background: var(--color-secondary);
    color: var(--color-text-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

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

.logo {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent);
    text-shadow: 0 0 5px rgba(232, 175, 60, 0.4);
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li {
    margin-left: var(--spacing-lg);
}

.main-nav ul li a {
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 5px;
    transition: color var(--transition-speed);
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed);
}

.main-nav ul li a:hover {
    color: var(--color-accent);
}

.main-nav ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 80vh; 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    background-image: url('images/image_9.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 62, 92, 0.8) 0%, rgba(10, 27, 42, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    animation: fadeIn 1s ease-out forwards;
}

.hero-content h2 {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    text-shadow: 0 0 15px rgba(232, 175, 60, 0.6);
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-text-light);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-speed);
}

.about-image img:hover {
    transform: translateY(-5px);
}

.about-content h3 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

/* Solutions Section */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.solution-card {
    background-color: var(--color-background-dark); 
    color: var(--color-text-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid rgba(255, 255, 255, 0.05); /* subtle border */
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(145deg, var(--color-background-dark), var(--color-secondary));
}

.solution-card img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    filter: grayscale(100%) brightness(1.5); /* make images fit the theme */
    transition: filter var(--transition-speed);
}

.solution-card:hover img {
    filter: grayscale(0%) brightness(1); /* colored on hover */
}

.solution-card h4 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.solution-card p {
    font-size: 0.95rem;
    opacity: 1;.9;
}

/* Approach Section */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.approach-item {
    background-color: #fff;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.approach-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.approach-item .icon {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    display: block;
    line-height: 1;
    position: relative;
    z-index: 2;
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.approach-item h4 {
    font-size: 1.6rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

/* Vision Section */
.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.vision-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
}

.vision-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    opacity: 1;.9;
}

/* CTA Section (No actual buttons, just informational) */
.cta-section {
    background: linear-gradient(45deg, var(--color-primary), var(--color-background-dark));
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section h3 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(232, 175, 60, 0.4);
}

.cta-section p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 1;.9;
}


/* Footer */
.main-footer {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.reveal {
    opacity: 1;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-header .container {
        flex-direction: column;
        text-align: center;
    }

    .main-nav ul {
        margin-top: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-nav ul li {
        margin: var(--spacing-xs) var(--spacing-md);
    }

    .hero-content h2 {
        font-size: 3rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .about-grid, .vision-content {
        grid-template-columns: 1fr;
    }

    .about-image, .vision-image {
        order: -1; /* Image first on mobile */
        margin-bottom: var(--spacing-md);
    }
    
    .about-content h3 {
        text-align: center;
    }

    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Allow 2 columns if space permits, or 1 */
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .cta-section h3 {
        font-size: 2.5rem;
    }
    .cta-section p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.8rem; }
    h4 { font-size: 1.5rem; }

    .section-padding {
        padding: var(--spacing-lg) 0;
    }

    .hero-section {
        height: 70vh;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .solutions-grid, .approach-grid {
        grid-template-columns: 1fr; /* Stack all cards to 1 column */
    }

    .main-nav ul li {
        margin: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.8rem;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        margin-top: var(--spacing-sm);
    }

    .main-nav ul li {
        margin: var(--spacing-xs) 0;
    }

    .hero-section {
        height: 60vh;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

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

/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}