:root {
    /* Triadic Color Scheme */
    --color-primary: #3498db;        /* Pensive Blue */
    --color-primary-dark: #2980b9;
    --color-primary-light: #d6eaf8;   /* Light blue for subtle backgrounds */
    --color-primary-rgb: 52, 152, 219;

    --color-secondary: #2ecc71;       /* Emerald Green */
    --color-secondary-dark: #27ae60;
    --color-secondary-light: #d5f5e3; /* Light green for subtle backgrounds */
    --color-secondary-rgb: 46, 204, 113;

    --color-accent: #e74c3c;          /* Alizarin Crimson (Red-Orange) */
    --color-accent-dark: #c0392b;
    --color-accent-light: #fadbd8;
    --color-accent-rgb: 231, 76, 60;

    /* Neutral Colors */
    --color-text-dark: #2c3e50;       /* Midnight Blue (almost black) */
    --color-text-medium: #566573;     /* Darker gray for less emphasis */
    --color-text-light: #ffffff;
    --color-text-subtle: #7f8c8d;     /* Asbestos for placeholders or minor text */

    --color-background-body: #f4f6f6; /* Very light gray, almost white */
    --color-background-light: #ffffff; /* Pure White for cards, light sections */
    --color-background-medium: #ecf0f1; /* Clouds (alternative light bg) */
    --color-background-dark: #34495e; /* Wet Asphalt (for footer, dark elements) */
    --color-background-overlay: rgba(0, 0, 0, 0.5);
    --color-border: #dee2e6;          /* Light border color */

    /* Fonts */
    --font-primary: 'Raleway', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    /* UI Elements */
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;
    --box-shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.08);
    --box-shadow-medium: 0 5px 15px rgba(0, 0, 0, 0.1);
    --box-shadow-strong: 0 8px 25px rgba(0, 0, 0, 0.15);
    
    /* Volumetric Shadows (example for light background elements) */
    --shadow-volumetric-outset: 3px 3px 7px rgba(0,0,0,0.1), -2px -2px 5px rgba(255,255,255,0.9);
    --shadow-volumetric-inset: inset 2px 2px 5px rgba(0,0,0,0.1), inset -2px -2px 5px rgba(255,255,255,0.8);


    /* Spacing */
    --spacing-xs: 0.5rem;  /* 8px */
    --spacing-sm: 1rem;    /* 16px */
    --spacing-md: 1.5rem;  /* 24px */
    --spacing-lg: 2rem;    /* 32px */
    --spacing-xl: 3rem;    /* 48px */
    --spacing-xxl: 4rem;   /* 64px */

    /* Transitions */
    --transition-speed-fast: 0.2s;
    --transition-speed-medium: 0.3s;
    --transition-speed-slow: 0.5s;
    --transition-timing: ease-in-out;

    /* Header */
    --header-height: 70px; 
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size */
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text-dark);
    background-color: var(--color-background-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 800;
    color: var(--color-text-dark); /* Default dark titles for light backgrounds */
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-medium);
}

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

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

/* Section Styling */
.section {
    padding: var(--spacing-xl) 0;
}
@media (min-width: 768px) {
    .section {
        padding: var(--spacing-xxl) 0;
    }
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    position: relative;
    padding-bottom: var(--spacing-sm);
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}


.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
    font-size: 1.1rem;
    color: var(--color-text-medium);
}

.section-accent-bg {
    background-color: var(--color-primary-light);
}
.section-light-bg {
    background-color: var(--color-background-medium);
}


/* Buttons - Global */
.cta-button, button, input[type="submit"], input[type="button"] {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius-medium);
    transition: all var(--transition-speed-medium) var(--transition-timing);
    line-height: 1.5;
    -webkit-appearance: none; /* For iOS styling */
    -moz-appearance: none;
    appearance: none;
}

.volumetric-button {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    box-shadow: var(--shadow-volumetric-outset);
    text-shadow: 1px 1px 1px rgba(0,0,0,0.1);
}
.volumetric-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 4px 4px 10px rgba(0,0,0,0.15), -3px -3px 7px rgba(255,255,255,0.8);
    text-decoration: none;
}
.volumetric-button:active, .volumetric-button:focus {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-volumetric-inset);
    transform: translateY(1px);
    outline: none;
}

.cta-button-secondary.volumetric-button {
    background-color: var(--color-secondary);
}
.cta-button-secondary.volumetric-button:hover {
    background-color: var(--color-secondary-dark);
}
.cta-button-secondary.volumetric-button:active, .cta-button-secondary.volumetric-button:focus {
    background-color: var(--color-secondary-dark);
}


/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.85); /* Slight glassmorphism */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow-subtle);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    transition: background-color var(--transition-speed-medium);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
}
.logo:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}
.main-navigation ul li a {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-text-dark);
    padding: var(--spacing-xs) 0;
    position: relative;
    text-decoration: none;
}
.main-navigation ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed-medium) var(--transition-timing);
}
.main-navigation ul li a:hover::after,
.main-navigation ul li a.active::after { /* Assuming an 'active' class for current page */
    width: 100%;
}
.main-navigation ul li a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-toggle {
    display: none; /* Hidden by default, shown on mobile */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}
.hamburger-icon {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-text-dark);
    border-radius: 3px;
    position: relative;
    transition: all var(--transition-speed-fast) var(--transition-timing);
}
.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-dark);
    border-radius: 3px;
    transition: all var(--transition-speed-fast) var(--transition-timing);
}
.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { bottom: -8px; }

/* Active Hamburger State (JS toggles a class like 'nav-open' on header or nav) */
.main-navigation.nav-open .hamburger-icon {
    background-color: transparent; /* Middle bar disappears */
}
.main-navigation.nav-open .hamburger-icon::before {
    transform: translateY(8px) rotate(45deg);
}
.main-navigation.nav-open .hamburger-icon::after {
    transform: translateY(-8px) rotate(-45deg);
}


/* Hero Section */
.hero-section {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light); /* IMPORTANT: Hero text is white */
    padding: var(--spacing-xl) var(--spacing-md);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.hero-content {
    max-width: 800px;
}
.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}
.hero-section .cta-button {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    background-color: var(--color-accent); /* Make hero CTA stand out */
}
.hero-section .cta-button:hover {
    background-color: var(--color-accent-dark);
}

/* Card Styles (Generic) */
.card {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--box-shadow-medium);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-speed-medium), box-shadow var(--transition-speed-medium);
    height: 100%; /* For equal height cards in a grid */
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-strong);
}

.card-image { /* This is the div wrapping the img */
    width: 100%;
    height: 200px; /* Default fixed height, can be overridden */
    overflow: hidden;
    background-color: var(--color-background-medium); /* Placeholder bg */
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: var(--spacing-md);
    flex-grow: 1; /* Allows content to fill space if card heights are equalized */
    display: flex;
    flex-direction: column;
}
.card-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}
.card-content p {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    flex-grow: 1; /* Pushes link to bottom if card content is main text */
}
.card-link {
    display: inline-block;
    margin-top: auto; /* Pushes link to bottom */
    padding-top: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
    position: relative;
}
.card-link::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-speed-fast);
}
.card-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}
.card-link:hover::after {
    transform: translateX(3px);
}


/* Insights Section */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Workshops Section */
.workshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}
.workshop-card .card-content .cta-button-secondary {
    margin-top: auto; /* Push button to bottom */
    align-self: flex-start; /* Prevent stretching if card uses align-items:center */
}

/* Projects Section */
.projects-list {
    display: grid;
    gap: var(--spacing-lg);
}
.project-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background-color: var(--color-background-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--box-shadow-subtle);
}
.project-icon-container img.animated-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: transform var(--transition-speed-medium) var(--transition-timing);
}
.project-icon-container img.animated-icon:hover {
    transform: scale(1.1) rotate(3deg);
}
.project-description h3 {
    margin-top: 0;
    color: var(--color-primary);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch; /* Make cards same height if content varies */
}
.pricing-card {
    text-align: center;
}
.pricing-card .card-header {
    padding: var(--spacing-md);
    background-color: var(--color-primary-light);
    border-bottom: 1px solid var(--color-border);
}
.pricing-card.popular .card-header {
    background-color: var(--color-accent-light);
}
.pricing-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}
.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0;
}
.pricing-card.popular .pricing-price {
    color: var(--color-accent);
}
.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-subtle);
}
.features-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
    text-align: left;
}
.features-list li {
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    position: relative;
    color: var(--color-text-medium);
}
.features-list .icon-check {
    color: var(--color-secondary);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}
.pricing-card .cta-button {
    margin-top: auto;
    width: 100%;
}
.pricing-card.popular {
    border: 2px solid var(--color-accent);
    transform: scale(1.02); /* Slightly larger */
    position: relative;
    z-index: 1;
}
.popular-badge {
    position: absolute;
    top: -1px; /* Align with border */
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    background-color: var(--color-accent);
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9em;
    font-weight: bold;
    border-radius: var(--border-radius-small);
    text-transform: uppercase;
}

/* Portfolio Section (Testimonials) */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}
.testimonial-card .card-image { /* The div wrapping the img */
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto var(--spacing-md) auto; /* Center the image container */
    border: 4px solid var(--color-background-light);
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.testimonial-card .testimonial-img { /* The img tag */
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.testimonial-card .card-content {
    text-align: center;
}
.testimonial-card blockquote {
    font-style: italic;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    position: relative;
    padding: 0 var(--spacing-sm);
}
.testimonial-card blockquote::before,
.testimonial-card blockquote::after {
    content: "“";
    font-family: Georgia, serif;
    font-size: 3rem;
    color: var(--color-primary-light);
    position: absolute;
    line-height: 1;
}
.testimonial-card blockquote::before { top: -5px; left: -5px; }
.testimonial-card blockquote::after { content: "”"; bottom: -25px; right: -5px; }

.testimonial-card cite {
    font-weight: 600;
    color: var(--color-text-dark);
    display: block;
    margin-top: var(--spacing-md);
}

/* Community Section */
.community-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}
.community-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    width: 100%;
}
.stat-widget {
    background-color: rgba(255, 255, 255, 0.6); /* If on .section-accent-bg */
    padding: var(--spacing-md);
    border-radius: var(--border-radius-medium);
    text-align: center;
    box-shadow: var(--box-shadow-subtle);
    flex: 1;
    min-width: 200px;
    max-width: 280px;
}
.stat-icon img.animated-icon {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-speed-medium);
}
.stat-icon img.animated-icon:hover {
    transform: scale(1.15);
}
.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}
.stat-label {
    font-size: 1rem;
    color: var(--color-text-medium);
    margin-top: var(--spacing-xs);
}
.community-cta {
    text-align: center;
}
.community-cta p {
    margin-bottom: var(--spacing-md);
}

/* External Resources Section */
.external-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}
.resource-card .card-content {
    justify-content: space-between; /* Pushes title and description apart if needed */
}
.resource-card .card-title a {
    color: var(--color-primary);
    font-weight: 700;
}
.resource-card .card-title a:hover {
    color: var(--color-primary-dark);
}
.resource-card p {
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Contact Section */
.contact-form {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
    background-color: var(--color-background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--box-shadow-medium);
}
.form-group {
    margin-bottom: var(--spacing-md);
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-dark);
}
.form-input, .form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-secondary);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    transition: all var(--transition-speed-medium) var(--transition-timing);
    background-color: #fff; /* Ensure inputs are white */
    color: var(--color-text-dark);
}
.form-input.volumetric-input, .form-textarea.volumetric-input {
    border: none;
    box-shadow: var(--shadow-volumetric-inset);
}
.form-input:focus, .form-textarea:focus,
.form-input.volumetric-input:focus, .form-textarea.volumetric-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-volumetric-inset), 0 0 0 3px rgba(var(--color-primary-rgb), 0.3);
}
.form-textarea {
    min-height: 120px;
    resize: vertical;
}
.form-submit-button {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
}
.contact-info {
    text-align: center;
    margin-top: var(--spacing-lg);
}
.contact-info p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}
.contact-info strong {
    color: var(--color-text-dark);
}

/* Footer */
.site-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-subtle);
    padding: var(--spacing-xl) 0;
    font-size: 0.9rem;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}
.footer-nav h4, .footer-legal h4, .footer-social h4 {
    color: var(--color-text-light);
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}
.footer-nav ul, .footer-legal ul, .footer-social ul {
    list-style: none;
    padding: 0;
}
.footer-nav ul li, .footer-legal ul li, .footer-social ul li {
    margin-bottom: var(--spacing-xs);
}
.footer-nav ul li a, .footer-legal ul li a, .footer-social ul li a {
    color: var(--color-text-subtle);
    text-decoration: none;
}
.footer-nav ul li a:hover, .footer-legal ul li a:hover, .footer-social ul li a:hover {
    color: var(--color-text-light);
    text-decoration: underline;
}
.social-links-text {
    display: flex;
    flex-direction: column; /* Or row: flex-direction: row; */
    gap: var(--spacing-xs);
}
.footer-copyright {
    grid-column: 1 / -1; /* Span all columns */
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-copyright p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
}

/* Page Specific Styles */
/* Success Page */
.success-page-container { /* Add this class to the main container of success.html */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-background-body);
}
.success-page-container h1 {
    color: var(--color-secondary);
    font-size: 3rem;
}
.success-page-container p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}
.success-page-container .cta-button {
    background-color: var(--color-secondary);
}
.success-page-container .cta-button:hover {
    background-color: var(--color-secondary-dark);
}


/* Privacy & Terms Pages */
.static-page-content { /* Add to main content containers of privacy.html, terms.html */
    padding-top: calc(var(--header-height) + var(--spacing-xl)); /* Default if specific 100px not needed */
    /* Or fixed: padding-top: 100px; */
    padding-bottom: var(--spacing-xl);
    max-width: 800px; /* Typical for text-heavy pages */
    margin-left: auto;
    margin-right: auto;
}
.static-page-content h1 {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}
.static-page-content h1::after {
    display: none; /* Remove section-title like underline */
}
.static-page-content h2 {
    margin-top: var(--spacing-lg);
    font-size: 1.8rem;
}
.static-page-content p, .static-page-content ul, .static-page-content ol {
    font-size: 1.05rem;
    line-height: 1.8;
}
.static-page-content ul, .static-page-content ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-speed-slow) var(--transition-timing),
                transform var(--transition-speed-slow) var(--transition-timing);
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.text-center { text-align: center; }
.margin-top-lg { margin-top: var(--spacing-lg); }

/* Responsive Styles */
@media (max-width: 992px) {
    /* Adjust typography for medium screens */
}

@media (max-width: 768px) {
    .main-navigation ul {
        display: none; /* Hide inline nav */
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-background-light);
        flex-direction: column;
        padding: var(--spacing-md) 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
    }
    .main-navigation.nav-open ul {
        display: flex; /* Show when open */
        max-height: 500px; /* Arbitrary large enough value */
    }
    .main-navigation ul li {
        width: 100%;
        text-align: center;
    }
    .main-navigation ul li a {
        padding: var(--spacing-sm) var(--spacing-md);
        display: block;
        width: 100%;
    }
    .main-navigation ul li a::after {
        display: none; /* No underlines for mobile dropdown */
    }
    .nav-toggle {
        display: block; /* Show hamburger */
    }

    .hero-section {
        min-height: calc(80vh - var(--header-height)); /* Slightly less tall on mobile */
    }

    .footer-container {
        text-align: center;
    }
    .footer-nav, .footer-legal, .footer-social {
        margin-bottom: var(--spacing-md);
    }
    .footer-social ul {
        justify-content: center;
        flex-direction: row; /* Social links in a row on mobile footer */
    }
}

@media (max-width: 576px) {
    .section {
        padding: var(--spacing-lg) 0;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .pricing-grid, .insights-grid, .workshops-grid, .portfolio-grid, .external-links-grid {
        grid-template-columns: 1fr; /* Single column stack */
    }
    .project-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .project-icon-container img.animated-icon {
        margin-bottom: var(--spacing-sm);
    }
}