:root {
    /* Color Palette: Monochromatic with single accent color (blues, teals, or purples) */
    --primary-bg: #FFFFFF;
    --secondary-bg: #F5F5F5;
    --primary-text: #333333;
    --secondary-text: #666666;
    --accent-color: #00BCD4; /* Teal */
    --accent-dark: #00838F; /* Darker Teal for hover/active */
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.05);

    /* Typography: Clean sans-serif fonts (Inter, Poppins, or Roboto) */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --max-width: 1200px;
}

/* Base 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(--primary-text);
    background-color: var(--primary-bg);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-dark);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-text);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

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

.card {
    background-color: var(--primary-bg);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    padding: var(--spacing-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color); /* Minimal border */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Header & Navigation */
.main-header {
    background-color: var(--primary-bg);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--primary-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 20px;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--primary-text);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--primary-bg); /* Text over dark video background */
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    transform: translate(-50%, -50%);
    object-fit: cover;
    filter: brightness(0.5); /* Darken video for text readability */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-bg);
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-bg);
}

/* Mission Section (Card Grid) */
.mission-section {
    background-color: var(--secondary-bg);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Responsive 3-card layout */
    gap: var(--spacing-md);
    justify-content: center;
}

.mission-card h3 {
    color: var(--accent-color);
}

/* Solutions Section (Step by Step) */
.solutions-section {
    background-color: var(--primary-bg);
}

.step-by-step {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--secondary-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
}

.step-number {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.step h3 {
    margin-top: 0.5rem;
    font-size: 1.6rem;
}

/* Portfolio Section (Category Tabs) */
.portfolio-section {
    background-color: var(--secondary-bg);
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tab-button {
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--primary-text);
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.tab-button:hover {
    background-color: var(--secondary-bg);
    border-color: var(--accent-color);
    color: var(--accent-dark);
}

.tab-button.active {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
    box-shadow: 0 4px 10px rgba(0, 188, 212, 0.2);
}

.tab-button.active:hover {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
    color: var(--primary-bg);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out forwards;
}

.tab-content.active {
    display: block;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.portfolio-item {
    text-align: center;
    overflow: hidden;
}

.portfolio-item img {
    max-width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
    border-radius: 8px 8px 0 0;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.portfolio-item p {
    font-size: 0.95rem;
    color: var(--secondary-text);
}

/* Services Section (Pricing Table) */
.services-section {
    background-color: var(--primary-bg);
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.pricing-column {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--secondary-bg);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-column:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.pricing-column.highlight {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.3);
}

.pricing-column.highlight:hover {
    transform: translateY(-8px) scale(1.06);
    box-shadow: 0 12px 30px rgba(0, 188, 212, 0.4);
}

.pricing-column.highlight h3,
.pricing-column.highlight p,
.pricing-column.highlight li {
    color: var(--primary-bg);
}

.pricing-column h3 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.pricing-column.highlight h3 {
    color: var(--primary-bg);
}

.pricing-column .description {
    font-size: 0.95rem;
    color: var(--secondary-text);
    margin-bottom: var(--spacing-md);
    flex-grow: 1; /* Ensures consistent height */
}

.pricing-column.highlight .description {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-column ul {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.pricing-column ul li {
    padding: 0.5rem 0;
    font-size: 1rem;
    color: var(--primary-text);
    display: flex;
    align-items: center;
}

.pricing-column ul li .icon {
    margin-right: 0.8rem;
    color: var(--accent-color);
    font-weight: 700;
}

.pricing-column ul li.unavailable {
    color: var(--secondary-text);
    opacity: 1;.7;
    text-decoration: line-through;
}

.pricing-column ul li.unavailable .icon {
    color: #CCC; /* Grey for unavailable checkmark */
}

/* Pricing Section (Card Stack) */
.pricing-stack-section {
    background-color: var(--secondary-bg);
}

.card-stack {
    display: flex;
    flex-direction: column; /* Stacked by default */
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background-color: var(--primary-bg);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    width: 100%;
    max-width: 400px; /* Limit width of cards */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    transform: scale(1.05) translateY(-10px);
    background-color: var(--accent-color);
    color: var(--primary-bg);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.3);
    z-index: 1; /* Bring featured card slightly forward */
}

.pricing-card.featured:hover {
    transform: scale(1.06) translateY(-12px);
    box-shadow: 0 12px 30px rgba(0, 188, 212, 0.4);
}

.pricing-card.featured .card-header h3,
.pricing-card.featured .card-header .tagline,
.pricing-card.featured .card-body p,
.pricing-card.featured .card-body ul li {
    color: var(--primary-bg);
}

.pricing-card .card-header {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.pricing-card .card-header h3 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.pricing-card .card-header .tagline {
    font-size: 1rem;
    color: var(--secondary-text);
    font-weight: 500;
}

.pricing-card .card-body {
    text-align: center;
}

.pricing-card .card-body p {
    margin-bottom: var(--spacing-md);
    color: var(--primary-text);
}

.pricing-card .features {
    list-style: none;
    padding: 0;
    text-align: center;
}

.pricing-card .features li {
    padding: 0.3rem 0;
    color: var(--primary-text);
}

/* Team Section (Department Sections) */
.team-section {
    background-color: var(--primary-bg);
}

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

.department h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
}

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

.team-member {
    text-align: center;
    padding: var(--spacing-md);
}

.team-member img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
    border: 3px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.team-member:hover img {
    transform: scale(1.08);
}

.team-member h4 {
    font-size: 1.5rem;
    color: var(--primary-text);
    margin-bottom: 0.25rem;
}

.team-member p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Clients Section (Carousel Slider) */
.clients-section {
    background-color: var(--secondary-bg);
}

.carousel-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    padding-bottom: var(--spacing-md);
}

.carousel-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-card {
    flex: 0 0 100%; /* Each card takes full width */
    padding: var(--spacing-md);
    text-align: center;
    background-color: var(--primary-bg);
    margin: 0 var(--spacing-sm); /* Visual separation, but slider handles full width */
    box-sizing: border-box; /* Include padding in width */
}

.testimonial-card .quote {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-text);
}

.testimonial-card .author {
    font-weight: 500;
    color: var(--accent-dark);
    font-size: 1rem;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.dot.active {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

.dot:hover {
    background-color: var(--accent-dark);
}

/* Support Section (Social Focus - interpreted as general connection) */
.support-section {
    background-color: var(--primary-bg);
    text-align: center;
}

.support-section .intro-text {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.1rem;
    color: var(--secondary-text);
}

.support-section .card-grid {
    margin-top: var(--spacing-md);
}

.support-item {
    padding: var(--spacing-md);
    text-align: center;
}

.support-item h3 {
    color: var(--accent-color);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.support-item p {
    font-size: 0.95rem;
    color: var(--secondary-text);
}

.support-section .note {
    margin-top: var(--spacing-lg);
    font-style: italic;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* Footer */
.main-footer {
    background-color: var(--primary-text);
    color: var(--primary-bg);
    padding: var(--spacing-md) var(--spacing-md);
    text-align: center;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.logo-footer {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.main-footer p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: var(--accent-color);
}

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

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    h2 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1.3rem;
    }
    .nav-links {
        gap: 1rem;
    }
    .section-padding {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem var(--spacing-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px; /* Adjust based on header height */
        left: 0;
        background-color: var(--primary-bg);
        box-shadow: 0 4px 10px var(--shadow-color);
        padding: 1rem 0;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .nav-links a {
        padding: 0.5rem 0;
        width: 100%;
        display: block;
    }
    
    .nav-links a::after {
        left: 50%;
        transform: translateX(-50%);
        width: 0;
    }

    .nav-links a:hover::after {
        width: 50%; /* Smaller underline for mobile */
    }

    h1 {
        font-size: 2.5rem;
    }
    .hero-content p {
        font-size: 1.1rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    h3 {
        font-size: 1.5rem;
    }

    .card-grid, .step-by-step, .portfolio-grid, .pricing-table, .team-grid {
        grid-template-columns: 1fr; /* Cards stack to 1 column */
    }
    .pricing-column.highlight {
        transform: scale(1.02); /* Less aggressive scale on mobile */
    }
    .pricing-card.featured {
        transform: scale(1.02) translateY(-5px); /* Less aggressive transform */
    }

    .tab-button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .testimonial-card {
        margin: 0; /* Remove horizontal margin for full mobile width */
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    h2 {
        font-size: 1.6rem;
    }
    h3 {
        font-size: 1.3rem;
    }
    .logo, .logo-footer {
        font-size: 1.5rem;
    }
    .footer-nav {
        flex-direction: column;
    }
}


javascript
/* Visible state helpers */
+ .animate-fade-in-up.visible,
+ .animate-fade-in-left.visible,
+ .animate-fade-in-right.visible,
+ .animate-bounce-y.visible,
+ .section-scroll-animate.visible,
+ .text-animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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