/* Global Styles & Variables */
:root {
    --font-header: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --color-primary-green: #003C2D;
    --color-accent-green: #0A8754;
    --color-text-light: #F0F0F0;
    --color-text-dark: #1a1a1a;
    --color-background-dark: #001F17;
    --color-background-light: #FAF8F5;
    --color-background-footer: #F5F3F0;
    
    --color-pastel-1: #E0F2FE;
    --color-pastel-2: #FEE2E2;
    --color-pastel-3: #D1FAE5;
    --color-pastel-4: #FEF3C7;
    --color-pastel-5: #EDE9FE;

    --spacing-unit: 8px;
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;

    --transition-fast: all 0.2s ease-in-out;
    --transition-medium: all 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-background-light);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.container {
    width: 90%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-header);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

h1 { font-size: clamp(4rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: calc(var(--spacing-unit) * 2);
    max-width: 640px;
}

p.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-light);
    opacity: 0.9;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

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

ul li {
    margin-bottom: var(--spacing-unit);
    padding-left: calc(var(--spacing-unit) * 2.5);
    position: relative;
}
ul li::before {
    content: '•';
    color: var(--color-primary-green);
    font-weight: bold;
    display: inline-block; 
    position: absolute;
    left: 0;
    top: 0;
}

a {
    color: var(--color-primary-green);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    opacity: 0.8;
}

.cta-button {
    display: flex;
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
    font-family: var(--font-header);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--border-radius-small);
    transition: var(--transition-medium);
    border: 0px solid transparent;
    padding: 12px 24px;
}
.cta-button:hover {
    background-color: var(--color-accent-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    opacity: 1;
}

/* Section fades - JS will add .visible */
section {
    padding: calc(var(--spacing-unit) * 8) 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
.site-header {
    background-color: #001F17;
    padding: 0;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    position: fixed;
}

.header-container {
    background-color: #001F17;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.logo img {
    height: calc(var(--spacing-unit) * 4);
    display: block;
}

/* Main Navigation - Desktop */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 12px 0 12px 0;
}

.main-nav li {
    margin: 0;
    margin-left: calc(var(--spacing-unit) * 3);
}

.main-nav li::before { content: none; }

.main-nav a {
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-weight: 500;
    padding: var(--spacing-unit) 0;
    text-decoration: none;
    transition: var(--transition-fast);
    padding-left: 1rem;
    padding-right: 1rem;
}
.main-nav a:hover {
    opacity: 0.8;
}

.nav-cta {
    background-color: rgba(255,255,255,0.1);
    padding: 24px 32px; 
    margin-left: calc(var(--spacing-unit) * 4);
    color: var(--color-text-light);
    font-family: var(--font-header);
    font-weight: 500;
    border-radius: var(--border-radius-small);
    transition: var(--transition-medium);
    display: flex;
    text-decoration: none;
    width: auto;
}
.nav-cta:hover {
    background-color: rgba(255,255,255,0.2);
    transform: none;
    box-shadow: none;
    opacity: 1;
}

/* Mobile Navigation Toggle Button */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-unit);
    z-index: 1001; /* Ensure toggle is above the menu */
}
.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-text-light);
    margin: 4px 0;
    transition: var(--transition-medium);
}

/* Responsive Adjustments for Navigation */
@media (max-width: 768px) {
    /*
       The previous .main-nav > ul, .main-nav > .nav-cta { display: none; } 
       was removed to prevent flashing issues with the mobile menu animation.
       Visibility is now controlled by the parent .main-nav's transform and opacity.
    */

    .main-nav {
        position: fixed;
        /* Position menu below the fixed header */
        top: calc(var(--spacing-unit) * 7 + 2px); /* Approx header height: (8px*7)+2px = 58px */
        left: 0;
        width: 100%;
        height: calc(100vh - (var(--spacing-unit) * 7 + 2px)); /* Fill remaining viewport height */
        background-color: var(--color-background-dark);
        
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: calc(var(--spacing-unit) * 3) 0;
        
        /* Initial hidden state */
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        
        /* Smooth transitions for showing/hiding */
        transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, visibility 0s linear 0.3s;
        z-index: 1000; /* Below toggle, but above page content */
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, visibility 0s linear 0s;
    }

    .main-nav.active > ul {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin: 0 0 calc(var(--spacing-unit) * 3) 0;
        padding: 0;
    }
    .main-nav.active li {
        margin: calc(var(--spacing-unit) * 1.5) 0;
        margin-left: 0;
        width: 100%;
        text-align: center;
    }
    .main-nav.active li a {
        display: block;
        padding: var(--spacing-unit) 0;
        font-size: 1.2rem;
        color: var(--color-text-light);
    }

    .main-nav.active > .nav-cta {
        display: inline-block;
        margin-left: 0;
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
        font-size: 1.1rem;
    }
    
    .mobile-nav-toggle {
        display: block;
    }

    /* Hamburger icon animation to 'X' */
    .mobile-nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* Hero Section */
.hero {
    background-color: var(--color-background-dark);
    background-image: url('assets/background_pattern.svg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    color: var(--color-text-light);
    padding: calc(var(--spacing-unit) * 10) 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    /* Add top padding to account for fixed header height */
    padding-top: calc((var(--spacing-unit) * 10) + (var(--spacing-unit) * 7 + 2px));
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: calc(var(--spacing-unit) * 4);
}

.hero-text {
    flex: 1;
    max-width: 600px;
}
.hero-text h1 {
    color: var(--color-text-light);
}

.hero-image {
    flex: 0 0 450px;
    text-align: center;
}
.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Passion Projects Section */
.passion-projects {
    background-color: var(--color-background-light);
    text-align: center;
    /* Add top padding to account for fixed header height */
    padding-top: calc((var(--spacing-unit) * 8) + (var(--spacing-unit) * 7 + 2px));
}
/* First section after fixed header needs more top padding */
main > section:first-of-type {
    padding-top: calc((var(--spacing-unit) * 10) + (var(--spacing-unit) * 7 + 2px + 24px)); /* Initial padding + header height + extra space */
}


.passion-projects .container > p {
    margin-left: auto;
    margin-right: auto;
}
.passion-projects h2 {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

/* What We Do Section */
.what-we-do {
    background-color: #FFFFFF;
    text-align: left; 
}
.what-we-do .container {
    overflow-x: hidden; 
}

.what-we-do .pre-heading {
    font-family: var(--font-body);
    color: var(--color-primary-green);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-unit);
}
.what-we-do h2 {
    margin-bottom: var(--spacing-unit);
}
.what-we-do .sub-heading {
    font-size: 1.1rem;
    color: var(--color-text-dark);
    opacity: 0.8;
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.services-image-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(2, minmax(calc(var(--spacing-unit) * 25), auto)); /* min row height */
    gap: calc(var(--spacing-unit) * 3);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.image-card {
    border-radius: var(--border-radius-large);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 400px;
    padding: 0;
}
.image-card img {
    max-width: auto; /* Let it be defined by container or aspect ratio */
    max-height: 100%;
    object-fit: contain;
}

.image-card.card-1 { background-color: var(--color-pastel-1); grid-column: 1 / span 3; grid-row: 1; }
.image-card.card-2 { background-color: var(--color-pastel-2); grid-column: 4 / span 4; grid-row: 1; }
.image-card.card-3 { background-color: var(--color-pastel-3); grid-column: 1 / span 2; grid-row: 2; }
.image-card.card-4 { background-color: var(--color-pastel-4); grid-column: 3 / span 3; grid-row: 2; }
.image-card.card-5 { background-color: var(--color-pastel-5); grid-column: 6 / span 2; grid-row: 2; }


@media (max-width: 1023px) { /* Tablet */
    .services-image-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
        gap: calc(var(--spacing-unit) * 2.5);
    }
    .image-card {
        padding: calc(var(--spacing-unit) * 2);
        max-height: none; /* Reset max-height for aspect ratio control */
    }
    .image-card.card-1 { grid-column: 1 / span 2; grid-row: auto; aspect-ratio: 16/9; }
    .image-card.card-2 { grid-column: 1 / span 1; grid-row: auto; aspect-ratio: 3/3.5; }
    .image-card.card-3 { grid-column: 2 / span 1; grid-row: auto; aspect-ratio: 3/3.5; }
    .image-card.card-4 { grid-column: 1 / span 1; grid-row: auto; aspect-ratio: 3/3.5; }
    .image-card.card-5 { grid-column: 2 / span 1; grid-row: auto; aspect-ratio: 3/3.5; }
}

@media (max-width: 767px) { /* Large Mobile / Small Tablet */
    .services-image-grid {
        gap: calc(var(--spacing-unit) * 2);
    }
    .image-card {
        padding: calc(var(--spacing-unit) * 1.5);
    }
    .image-card.card-1 { aspect-ratio: 16/9; } /* Adjusted from 16/10 for consistency with tablet full-width */
    .image-card.card-2,
    .image-card.card-3,
    .image-card.card-4,
    .image-card.card-5 { aspect-ratio: 3/4; }
}

@media (max-width: 499px) { /* Small Mobile */
    .services-image-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 1);
    }
    .image-card {
        grid-column: 1 / span 1 !important;
        grid-row: auto !important;
        padding: var(--spacing-unit);
        width: 100%;
        max-width: 100%; /* Ensure it uses full width */
    }
    .image-card.card-1,
    .image-card.card-2,
    .image-card.card-3,
    .image-card.card-4,
    .image-card.card-5 { aspect-ratio: 16/9; } /* Consistent wide aspect ratio for single column items */
}

.services-text-content p, .services-text-content ul {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.services-text-content ul {
    margin-top: calc(var(--spacing-unit) * 3);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

/* Board of Directors Section */
.board-of-directors {
    background-image: url('assets/board-background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    color: var(--color-text-light);
    text-align: center;
    position: relative;
}
.board-of-directors::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 31, 23, 0.5);
    z-index: 1;
}

.board-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 3);
}

.director-card {
    background-color: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari */
    padding: calc(var(--spacing-unit) * 3);
    border-radius: var(--border-radius-medium);
    border: 1px solid rgba(255,255,255,0.1);
    width: 100%;
    max-width: 320px;
    transition: var(--transition-medium);
}
.director-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.director-card .director-role {
    font-size: 0.9rem;
    color: var(--color-text-light);
    opacity: 0.8;
    margin-bottom: var(--spacing-unit);
}
.director-card h3 {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-unit);
}
.director-card .email-link {
    color: var(--color-text-light);
    font-size: 0.9rem;
    word-break: break-all;
}
.director-card .email-link:hover {
    text-decoration: underline;
}

.board-container > h4 {
    order: -1; /* Visual placement */
    color: var(--color-text-light);
    font-size: clamp(1rem, 2vw, 1.25rem);
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius-small);
    display: inline-block;
}

/* Contact Info Section */
.contact-info {
    background-color: var(--color-background-footer);
}
.contact-container {
    display: flex;
    justify-content: space-between;
    gap: calc(var(--spacing-unit) * 4);
    align-items: flex-start;
}

.contact-details {
    flex-basis: 50%;
}
.contact-details h5 { /* Not used in current HTML, but kept for potential future use */
    font-family: var(--font-header);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-unit);
}
.contact-details .main-email {
    font-size: 1.25rem;
    font-weight: 500;
    display: block;
    margin-bottom: var(--spacing-unit);
}
.contact-details .working-hours {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: calc(var(--spacing-unit) * 3);
}
.address-details, .legal-details {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: calc(var(--spacing-unit) * 2);
}
.legal-details p {
    margin-bottom: calc(var(--spacing-unit) / 2);
}
.legal-details strong {
    font-weight: 500;
}

.app-promo {
    flex-basis: 40%;
    background-color: #FFFFFF;
    padding: calc(var(--spacing-unit) * 3);
    border-radius: var(--border-radius-medium);
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.app-promo img {
    width: calc(var(--spacing-unit) * 30);
    height: calc(var(--spacing-unit) * 30);
    border-radius: var(--border-radius-medium);
    margin-bottom: calc(var(--spacing-unit) * 2);
}
.app-promo p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-unit);
}
.app-promo h6 {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing-unit) / 2);
}
.app-promo .app-store-button {
    margin-top: calc(var(--spacing-unit) * 2);
    background-color: var(--color-primary-green);
    width: 100%;
    text-align: center;
    flex-direction: column; /* Ensure button text is centered if it wraps */
    justify-content: center; /* Align text centrally for flex display */
}

/* Footer Bottom */
.site-footer-bottom {
    background-color: #EAE8E5;
    padding: calc(var(--spacing-unit) * 3) 0;
    text-align: center;
}
.footer-bottom-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}
.social-links a {
    margin: 0 var(--spacing-unit);
    color: var(--color-text-dark);
    font-size: 0.9rem;
    opacity: 0.7;
}
.social-links a:hover {
    opacity: 1;
    text-decoration: underline;
}
.copyright {
    font-size: 0.8rem;
    color: var(--color-text-dark);
    opacity: 0.7;
    margin-bottom: 0;
}

/* General Responsive Adjustments for sections below header */
@media (max-width: 1024px) {
    .hero-image {
        flex-basis: 240px;
    }
    /* Image card adjustments for tablet already in their specific section */
}

@media (max-width: 768px) { /* Tablet and Mobile */
    .container {
        width: 95%;
    }

    /* First section padding adjustment for fixed header on mobile */
    main > section:first-of-type {
        padding-top: calc((var(--spacing-unit) * 6) + (var(--spacing-unit) * 7 + 2px + 16px)); /* Mobile hero padding + header height + extra space */
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    .hero-text {
        order: 2;
        max-width: 100%;
    }
    .hero-image {
        order: 1;
        margin-bottom: calc(var(--spacing-unit) * 4);
        flex-basis: auto;
        width: 60%;
        max-width: 200px;
    }
    .hero {
        padding-bottom: calc(var(--spacing-unit) * 6); /* Adjust bottom padding for mobile if needed */
    }

    .passion-projects h2 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }
    .what-we-do h2 {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .board-container {
        gap: calc(var(--spacing-unit) * 2);
    }
    .director-card {
        max-width: 90%;
    }

    .contact-container {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 5);
    }
    .contact-details, .app-promo {
        flex-basis: 100%;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    .app-promo {
        order: -1; /* App promo first on mobile */
    }

    .footer-bottom-container {
        flex-direction: column;
    }
    .social-links {
        margin-bottom: var(--spacing-unit);
    }
    /* Image card adjustments for mobile already in their specific section */
}

@media (max-width: 480px) { /* Small Mobile Overrides */
    body { font-size: 15px; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    /* Image card adjustments for small mobile already in their specific section */
}