/* style.css */

/* 1. CSS Variables
-------------------------------------------------------------------------------- */
:root {
    /* Monochrome & Futuristic Palette with Eco-Minimalism Hints */
    --color-background: #0F0F0F; /* Deep, dark base for the site */
    --color-surface: #1A1A1A;    /* Slightly lighter for primary surfaces like sections */
    --color-surface-variant: #242424; /* For cards, secondary surfaces */
    --color-border: #333333;     /* Borders and dividers */
    --color-primary-accent: #00E0C6; /* Bright, futuristic teal/cyan for CTAs, links, highlights */
    --color-secondary-accent: #76F7BF; /* Lighter, eco-inspired green/teal for subtle highlights */

    --color-text-primary: #E0E0E0;   /* Main text color on dark backgrounds */
    --color-text-secondary: #A0A0A0; /* Secondary text, less emphasis */
    --color-text-on-accent: #0F0F0F; /* Text color for elements with primary-accent background */
    --color-text-dark: #222222;       /* For text on very light backgrounds (if any) */
    --color-text-headings: #FFFFFF;    /* Headings color */

    --font-family-headings: 'Oswald', sans-serif;
    --font-family-base: 'Nunito', sans-serif;

    --font-size-base: 1rem; /* 16px */
    --font-size-lg: 1.125rem; /* 18px */
    --font-size-xl: 1.25rem;  /* 20px */
    --font-size-h1: 2.8rem;   /* For main hero title */
    --font-size-h2: 2.2rem;   /* For section titles */
    --font-size-h3: 1.6rem;   /* For card titles */
    --font-size-h4: 1.2rem;   /* For smaller headings */

    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 1rem;    /* 16px */
    --spacing-lg: 1.5rem;  /* 24px */
    --spacing-xl: 2rem;    /* 32px */
    --spacing-xxl: 3rem;   /* 48px */

    --border-radius: 6px;
    --transition-speed: 0.3s;
    --box-shadow-light: 0 4px 15px rgba(0, 224, 198, 0.1);
    --box-shadow-dark: 0 6px 20px rgba(0, 0, 0, 0.3);
    --header-height: 80px; /* Adjust as needed */
}

/* 2. Global Resets & Base Styles
-------------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 100%; /* Corresponds to user's browser setting, typically 16px */
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.7;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: var(--header-height); /* Offset for fixed header */
}

.main-wrapper {
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* 3. Typography
-------------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-headings);
    color: var(--color-text-headings);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

.font-oswald { font-family: var(--font-family-headings); }
.font-nunito { font-family: var(--font-family-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary); /* Softer text for paragraphs */
}

p.lead { /* For lead paragraphs or important text */
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

a {
    color: var(--color-primary-accent);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover, a:focus {
    color: var(--color-secondary-accent);
    text-decoration: underline;
}

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

ul, ol {
    list-style: none;
    padding-left: 0;
}

address {
    font-style: normal;
}

/* 4. Layout & Container
-------------------------------------------------------------------------------- */
.container {
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-headings);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

/* General Section Styling */
section {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
    position: relative; /* For parallax or absolute positioned elements */
}

.bg-light-variant {
    background-color: var(--color-surface-variant);
}

/* 5. Header & Navigation
-------------------------------------------------------------------------------- */
.site-header {
    background-color: rgba(15, 15, 15, 0.85); /* Semi-transparent dark background */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--box-shadow-dark);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-headings);
    text-decoration: none;
}

.logo .logo-accent {
    color: var(--color-primary-accent);
}

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

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

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-xs);
    position: relative;
    transition: color var(--transition-speed);
}

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

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active { /* Add .active class via JS for current page */
    color: var(--color-primary-accent);
}

.nav-links a:hover::after,
.nav-links a:focus::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-icon {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    position: relative;
    transition: background-color var(--transition-speed);
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-speed), top var(--transition-speed), bottom var(--transition-speed);
}

.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { bottom: -8px; }

/* Mobile Menu Active State */
.menu-toggle[aria-expanded="true"] .hamburger-icon {
    background-color: transparent; /* Middle bar disappears */
}
.menu-toggle[aria-expanded="true"] .hamburger-icon::before {
    transform: rotate(45deg);
    top: 0;
}
.menu-toggle[aria-expanded="true"] .hamburger-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}


/* 6. Buttons & Forms
-------------------------------------------------------------------------------- */
.button-primary, button, input[type="submit"], input[type="button"] {
    display: inline-block;
    background-color: var(--color-primary-accent);
    color: var(--color-text-on-accent);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-primary-accent);
    border-radius: var(--border-radius);
    font-family: var(--font-family-headings);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.button-primary:hover, button:hover, input[type="submit"]:hover, input[type="button"]:hover {
    background-color: transparent;
    color: var(--color-primary-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 224, 198, 0.2);
}

.button-secondary { /* Example for an alternative button style */
    background-color: transparent;
    color: var(--color-primary-accent);
    border: 2px solid var(--color-primary-accent);
}
.button-secondary:hover {
    background-color: var(--color-primary-accent);
    color: var(--color-text-on-accent);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 500;
}

.input-field,
textarea.input-field {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05); /* Subtle glassmorphism input */
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.input-field:focus,
textarea.input-field:focus {
    outline: none;
    border-color: var(--color-primary-accent);
    box-shadow: 0 0 0 3px rgba(0, 224, 198, 0.3);
}

.input-field::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

textarea.input-field {
    min-height: 120px;
    resize: vertical;
}

/* 7. Hero Section
-------------------------------------------------------------------------------- */
.hero-section {
    color: var(--color-text-headings); /* IMPORTANT: Hero text is white */
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: calc(100vh - var(--header-height)); /* Full viewport height minus header */
    position: relative; /* For overlay */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 15, 15, 0.6), rgba(15, 15, 15, 0.8)); /* Dark overlay */
    z-index: 1;
}

.hero-content {
    position: relative; /* Above overlay */
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem; /* Larger for hero */
    margin-bottom: var(--spacing-md);
    color: #FFFFFF; /* Explicitly white */
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
}

.hero-content p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: #FFFFFF; /* Explicitly white */
    opacity: 0.9;
}

.hero-content .button-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}


/* 8. Mission Section
-------------------------------------------------------------------------------- */
.mission-section {
    background-color: var(--color-surface);
}
.mission-content {
    max-width: 900px;
    margin: 0 auto var(--spacing-xxl) auto;
    text-align: center;
}
.mission-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-primary);
}

.info-cards-container.mission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.info-card {
    background-color: var(--color-surface-variant);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-light);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 224, 198, 0.15);
}

.info-card-icon img {
    width: 60px; /* Adjust as needed */
    height: 60px;
    margin: 0 auto var(--spacing-md) auto;
    filter: invert(80%) sepia(50%) saturate(500%) hue-rotate(130deg); /* To tint icons with accent color */
}

.info-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-accent);
}


/* 9. Card Styles (Generic for Services, Portfolio, etc.)
-------------------------------------------------------------------------------- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background-color: var(--color-surface-variant);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow-dark);
    display: flex;
    flex-direction: column;
    text-align: center; /* Ensures text content within card-content is centered if not full width */
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-image { /* Container for the image */
    width: 100%;
    height: 250px; /* Fixed height for image container */
    overflow: hidden;
    position: relative; /* For overlay */
    display: flex; /* For centering the img if it's smaller than container */
    justify-content: center; /* For centering the img if it's smaller than container */
    align-items: center; /* For centering the img if it's smaller than container */
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures image covers the container */
    transition: transform var(--transition-speed) ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.image-overlay { /* Dark overlay for text readability on images */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.4));
    opacity: 0.8; /* Adjust as needed */
    transition: opacity var(--transition-speed) ease;
}
.card:hover .image-overlay {
    opacity: 0.5;
}

.card-content {
    padding: var(--spacing-xl);
    flex-grow: 1; /* Allows content to fill space if card heights vary due to text */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Pushes button to bottom if present */
}

.card-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-accent);
}

.card-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.read-more-link {
    display: inline-block;
    margin-top: auto; /* Pushes to bottom if card-content is flex */
    color: var(--color-secondary-accent);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9em;
}
.read-more-link:hover {
    text-decoration: underline;
    color: var(--color-primary-accent);
}

/* Services Section Specifics */
.services-section {
    background-color: var(--color-surface);
}

/* Portfolio Section Specifics */
.portfolio-section {
    background-color: var(--color-background); /* Darker for contrast */
}


/* 10. Awards Section
-------------------------------------------------------------------------------- */
.awards-section {
    background-color: var(--color-surface-variant);
}
.awards-list {
    max-width: 900px;
    margin: 0 auto;
}
.award-item {
    display: flex;
    align-items: flex-start; /* Align icon with top of text */
    gap: var(--spacing-lg);
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow-light);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}
.award-item:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0, 224, 198, 0.12);
}
.award-icon-placeholder img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: invert(90%) sepia(20%) saturate(600%) hue-rotate(120deg); /* Example filter for monochrome + accent */
}
.award-item h3 {
    color: var(--color-primary-accent);
    margin-bottom: var(--spacing-xs);
}


/* 11. Gallery Section
-------------------------------------------------------------------------------- */
.gallery-section {
    background-color: var(--color-surface);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}
.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow-dark);
    position: relative; /* For potential overlays or captions */
    height: 230px; /* Maintain aspect ratio */
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease-out, filter 0.4s ease-out;
}
.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.1) contrast(1.05);
}


/* 12. External Resources Section
-------------------------------------------------------------------------------- */
.external-resources-section {
    background-color: var(--color-surface-variant);
}
.resources-list .resource-item {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow-light);
    transition: box-shadow var(--transition-speed);
}
.resources-list .resource-item:hover {
    box-shadow: 0 6px 20px rgba(0, 224, 198, 0.12);
}
.resources-list .resource-item h4 a {
    color: var(--color-primary-accent);
    text-decoration: none;
}
.resources-list .resource-item h4 a:hover {
    text-decoration: underline;
    color: var(--color-secondary-accent);
}
.resources-list .resource-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}


/* 13. Contact Section
-------------------------------------------------------------------------------- */
.contact-section {
    background-color: var(--color-surface);
}
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr; /* Default for mobile */
    gap: var(--spacing-xxl);
}
@media (min-width: 992px) { /* Larger screens */
    .contact-wrapper {
        grid-template-columns: 1.5fr 1fr; /* Form takes more space */
    }
}

.contact-form-container {
    background-color: var(--color-surface-variant);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-dark);
}

.contact-details-container h3 {
    color: var(--color-primary-accent);
    margin-bottom: var(--spacing-md);
}
.contact-info-list {
    margin-top: var(--spacing-lg);
}
.contact-info-list li {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}
.contact-info-list strong {
    color: var(--color-text-primary);
    margin-right: var(--spacing-sm);
}
.contact-info-list a {
    color: var(--color-secondary-accent);
}
.contact-info-list a:hover {
    color: var(--color-primary-accent);
}
.map-placeholder img {
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--color-border);
}


/* 14. Footer
-------------------------------------------------------------------------------- */
.site-footer {
    background-color: #0A0A0A; /* Even darker for footer */
    color: var(--color-text-secondary);
    padding: var(--spacing-xxl) 0 var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--color-text-headings);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
}

.footer-column .logo-accent {
    color: var(--color-primary-accent);
}

.footer-column p {
    font-size: 0.9rem;
    line-height: 1.6;
}
.footer-contact-info p { margin-bottom: var(--spacing-xs); }
.footer-contact-info strong { color: var(--color-text-primary); }
.footer-contact-info a { color: var(--color-secondary-accent); }
.footer-contact-info a:hover { color: var(--color-primary-accent); }


.footer-links ul li,
.footer-legal ul li,
.footer-social ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-legal a,
.footer-social a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed), padding-left var(--transition-speed);
    font-size: 0.95rem;
}

.footer-links a:hover,
.footer-legal a:hover,
.footer-social a:hover {
    color: var(--color-primary-accent);
    padding-left: var(--spacing-xs);
}

/* Social media links are text-based as requested */
.social-media-links { /* No special styling needed if they are simple text links */ }

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: #777; /* Subtly muted */
}


/* 15. Parallax Effect (Simple)
-------------------------------------------------------------------------------- */
.parallax-section[style*="background-image"] {
    background-attachment: fixed; /* Creates the parallax effect */
    /* Ensure background-size, position, repeat are set in HTML or here if globally applicable */
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}


/* 16. Specific Page Styles
-------------------------------------------------------------------------------- */
/* success.html */
.success-page-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - var(--header-height)); /* Full viewport minus header */
    text-align: center;
    padding: var(--spacing-xl);
}
.success-content {
    background-color: var(--color-surface-variant);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-light);
    max-width: 600px;
}
.success-content h1 {
    color: var(--color-primary-accent);
    margin-bottom: var(--spacing-lg);
}
.success-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xl);
}

/* privacy.html & terms.html */
.privacy-page-container,
.terms-page-container {
    padding-top: var(--spacing-xl); /* Additional top padding because body already has header offset */
    padding-bottom: var(--spacing-xxl);
}
.privacy-page-container .container, /* Apply to the inner container */
.terms-page-container .container {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-dark);
}
.privacy-page-container h1,
.terms-page-container h1 {
    color: var(--color-primary-accent);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}
.privacy-page-container h2,
.terms-page-container h2 {
    color: var(--color-secondary-accent);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}
.privacy-page-container p,
.terms-page-container p,
.privacy-page-container ul li,
.terms-page-container ul li {
    color: var(--color-text-secondary);
    line-height: 1.8;
}
.privacy-page-container ul,
.terms-page-container ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* 17. Responsive Design
-------------------------------------------------------------------------------- */
@media (max-width: 991px) { /* Tablets and below */
    :root { /* Adjust font sizes for smaller screens */
        --font-size-h1: 2.5rem;
        --font-size-h2: 2rem;
        --font-size-h3: 1.4rem;
    }
    .hero-content h1 { font-size: 2.8rem; }
    .hero-content p { font-size: var(--font-size-lg); }

    .nav-links {
        display: none; /* Hide on mobile by default */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: var(--header-height); /* Position below header */
        left: 0;
        background-color: rgba(15, 15, 15, 0.98); /* Solid background for mobile menu */
        backdrop-filter: blur(5px);
        padding: var(--spacing-md) 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.3);
    }
    .nav-links.active {
        display: flex; /* Show when active */
    }
    .nav-links li {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }
    .nav-links a {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links li:last-child a {
        border-bottom: none;
    }
    .nav-links a::after { display: none; } /* No underline effect on mobile menu items */

    .menu-toggle {
        display: block; /* Show burger icon */
    }

    .contact-wrapper {
        grid-template-columns: 1fr; /* Stack form and details */
    }
}

@media (max-width: 767px) { /* Mobile phones */
    :root {
        --font-size-h1: 2.2rem;
        --font-size-h2: 1.8rem;
        --font-size-h3: 1.3rem;
    }
    .hero-content h1 { font-size: 2.3rem; }
    .hero-content p { font-size: var(--font-size-base); }
    .hero-content .button-primary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    section {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }
    .section-title { margin-bottom: var(--spacing-lg); }
    .section-subtitle { margin-bottom: var(--spacing-lg); font-size: var(--font-size-base); }

    .cards-grid {
        grid-template-columns: 1fr; /* Single column for cards on mobile */
    }
    .info-cards-container.mission-cards {
         grid-template-columns: 1fr;
    }
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* Allow 2 columns if space */
    }
     .award-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .award-icon-placeholder img {
        margin-bottom: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr; /* Stack footer columns */
        text-align: center;
    }
    .footer-column {
        margin-bottom: var(--spacing-lg);
    }
    .footer-column h4 {
        margin-bottom: var(--spacing-md);
    }
}

/* Utility classes */
.text-center { text-align: center; }
.text-white { color: #FFFFFF !important; }
.mt-1 { margin-top: var(--spacing-sm); }
.mb-1 { margin-bottom: var(--spacing-sm); }
/* ... more utilities as needed */

/* Ensure text on images has enough contrast via overlay (already done with .image-overlay and .hero-overlay) */