:root {
    /* Colors */
    --color-primary-bg: #0A0A0A;
    --color-secondary-bg: #1A1A1A;
    --color-tertiary-bg: #2A2A2A;
    --color-text-light: #E0E0E0;
    --color-text-dark: #333333; /* Not heavily used, but good to define */
    --color-accent-purple: #8E44AD; /* Deep Purple */
    --color-accent-blue: #3498DB; /* Electric Blue */
    --color-accent-highlight: #9B59B6; /* Lighter Purple for subtle glows/hover */

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;
    --font-size-base: 1.125rem; /* 18px */
    --line-height-base: 1.7;

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

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-light);
    background-color: var(--color-primary-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.8rem; }
h2 { font-size: 2.8rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.8rem; margin-bottom: var(--spacing-sm); }
p { margin-bottom: var(--spacing-sm); }

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

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

.section-description {
    font-size: 1.25rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-text-light);
    opacity: 1;.8;
}

/* Header */
.main-header {
    background-color: var(--color-primary-bg);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: var(--spacing-sm) 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(45deg, var(--color-accent-blue), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform var(--transition-speed);
}

.logo:hover {
    transform: scale(1.05);
}

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

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

.nav-links a {
    color: var(--color-text-light);
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-speed), text-shadow var(--transition-speed);
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-purple));
    transition: width var(--transition-speed);
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent-highlight);
    text-shadow: 0 0 5px rgba(155, 89, 182, 0.6);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 20px;
    justify-content: space-between;
    position: relative;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-blue);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 1;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    overflow: hidden;
    background: url('images/image_13.jpg') no-repeat center center/cover;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(142, 68, 173, 0.7) 0%, rgba(52, 152, 219, 0.7) 100%);
    opacity: 1;.9;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fadeInScale 1s ease-out forwards;
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    background: linear-gradient(45deg, var(--color-text-light), var(--color-accent-highlight));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 1;.9;
}

.scroll-indicator {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    opacity: 1;.8;
}

.arrow-down {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--color-text-light);
    margin-top: 10px;
    animation: bounce 1.5s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 1;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Common Section Styling */
.common-section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
    overflow: hidden; /* For reveal animations */
}

/* Reveal on scroll */
.reveal-on-scroll {
    opacity: 1;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* About Section & Vision Section (Similar structure) */
.about-section .container,
.vision-section .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.about-section .about-content,
.vision-section .vision-content {
    flex: 1;
    padding-right: var(--spacing-md);
}
.about-section .about-image,
.vision-section .vision-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-section .about-image img,
.vision-section .vision-image img {
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 50px rgba(142, 68, 173, 0.3);
    transition: transform var(--transition-speed);
}

.about-section .about-image img:hover,
.vision-section .vision-image img:hover {
    transform: translateY(-5px) scale(1.01);
}

.about-section {
    background: linear-gradient(180deg, var(--color-primary-bg) 0%, var(--color-secondary-bg) 100%);
}

.vision-section {
    background: linear-gradient(0deg, var(--color-primary-bg) 0%, var(--color-secondary-bg) 100%);
}

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

.offering-card {
    background-color: var(--color-tertiary-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.offering-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-purple));
    transform: translateY(-100%);
    transition: transform var(--transition-speed);
}

.offering-card:hover::before {
    transform: translateY(0);
}

.offering-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 40px rgba(155, 89, 182, 0.4);
}

.offering-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    filter: brightness(0.8) grayscale(0.2);
    transition: filter var(--transition-speed);
}

.offering-card:hover img {
    filter: brightness(1) grayscale(0);
}

.offering-card h3 {
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-xs);
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed);
}

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

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    filter: brightness(0.7);
    transition: filter var(--transition-speed);
}

.portfolio-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
    color: var(--color-text-light);
    padding: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    opacity: 1;
    transform: translateY(100%);
    transition: opacity var(--transition-speed), transform var(--transition-speed);
}

.portfolio-item:hover img {
    filter: brightness(1);
    transform: scale(1.05); /* Slight zoom on image */
}

.portfolio-item:hover figcaption {
    opacity: 1;
    transform: translateY(0);
}

/* Testimonials Section */
.testimonials-section {
    background-color: var(--color-tertiary-bg);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.testimonial-slider {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    position: relative;
    height: 250px; /* Fixed height to prevent layout shifts */
    display: flex; /* Use flex to align items but only one is visible */
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.testimonial-item {
    position: absolute; /* Stack items */
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-secondary-bg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    opacity: 1;
    transform: scale(0.9);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.testimonial-item.active {
    opacity: 1;
    transform: scale(1);
}

.testimonial-item p {
    font-size: 1.35rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    color: var(--color-text-light);
    max-width: 90%;
}

.testimonial-item cite {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    margin-top: var(--spacing-sm);
}

/* Footer */
.main-footer {
    background-color: var(--color-primary-bg);
    color: var(--color-text-light);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
    color: var(--color-accent-highlight);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--color-accent-blue), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 1;.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: var(--color-text-light);
    font-size: 0.95rem;
    transition: color var(--transition-speed), transform var(--transition-speed);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--color-accent-blue);
    transform: translateX(5px);
}

.social-links {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    color: var(--color-text-light);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-tertiary-bg);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.social-links a:hover {
    background-color: var(--color-accent-purple);
    color: var(--color-text-light);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 15px rgba(142, 68, 173, 0.5);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    opacity: 1;.7;
}

/* Scrollbar Styling (Webkit only) */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-primary-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--color-accent-purple), var(--color-accent-blue));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, var(--color-accent-highlight), var(--color-accent-blue));
}


/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.2rem; }
    h3 { font-size: 1.6rem; }
    .hero-content p { font-size: 1.3rem; }

    .about-section .container,
    .vision-section .container {
        flex-direction: column;
        text-align: center;
    }
    .about-section .about-image,
    .vision-section .vision-image {
        margin-bottom: var(--spacing-md);
    }
    .about-section .about-content,
    .vision-section .vision-content {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-primary-bg);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
        padding: var(--spacing-md) 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        animation: slideDown 0.4s ease-out forwards;
    }

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

    .nav-links li {
        margin: var(--spacing-sm) 0;
        text-align: center;
    }

    .nav-links a {
        padding: var(--spacing-xs) var(--spacing-md);
        display: block;
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: flex;
    }

    .navbar {
        padding: 0 var(--spacing-sm);
    }

    .logo {
        font-size: 1.8rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    .hero-content p { font-size: 1rem; }

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

    .offerings-grid, .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .about-section .container, .vision-section .container {
        gap: var(--spacing-md);
    }

    .about-section .about-image img,
    .vision-section .vision-image img {
        height: 250px;
        object-fit: cover;
    }

    .testimonial-item p {
        font-size: 1.1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col {
        margin-bottom: var(--spacing-md);
    }
    .footer-col h3 {
        margin-top: var(--spacing-md);
    }

    .social-links {
        justify-content: center;
    }
}

@keyframes slideDown {
    from {
        opacity: 1;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 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;
}