/* Global Variables */
:root {
    --color-primary-dark: #0A1128; /* Deep Blue/Indigo */
    --color-secondary-dark: #121A33; /* Slightly lighter dark */
    --color-accent-teal: #55B4B0; /* Teal/Cyan */
    --color-accent-purple: #8A2BE2; /* Amethyst */
    --color-text-light: #E0E0E0; /* Off-white */
    --color-text-muted: #A0A0A0; /* Gray */
    --color-shadow-light: rgba(0, 0, 0, 0.2);
    --color-shadow-dark: rgba(0, 0, 0, 0.4);

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-light);
    background-color: var(--color-primary-dark);
    line-height: 1.6;
    overflow-x: hidden; /* Prevent horizontal scroll due to animations */
}

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

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

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

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

.bg-secondary {
    background-color: var(--color-secondary-dark);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-teal) 0%, var(--color-accent-purple) 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-text {
    background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.business-name {
    font-weight: 600;
    color: var(--color-accent-teal);
}

/* Header & Navigation */
.main-header {
    background-color: rgba(10, 17, 40, 0.9); /* Slightly transparent */
    padding: var(--spacing-sm) 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px var(--color-shadow-dark);
    backdrop-filter: blur(10px); /* Frosted glass effect */
}

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

.logo a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-light);
    background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s ease;
}

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

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

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 1.05rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease, transform 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-purple));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-accent-teal);
    transform: translateY(-2px);
}

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

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    position: relative;
    z-index: 1001;
}

.menu-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-light);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active .icon-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.active .icon-bar:nth-child(2) {
    opacity: 1;
}
.menu-toggle.active .icon-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 80px; /* Offset for fixed header */
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    filter: brightness(0.4) blur(3px); /* Darken and blur image */
    transform: scale(1.05); /* Slight zoom for parallax feel */
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 17, 40, 0.6) 0%, var(--color-primary-dark) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: var(--spacing-md);
    animation-delay: 0.5s;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 5px 20px var(--color-shadow-dark);
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
    font-weight: 300;
}

.hero-cta-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(45deg, var(--color-accent-teal), var(--color-accent-purple));
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(85, 180, 176, 0.4);
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: scale(1);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.4s ease;
}

.hero-cta-visual:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 40px rgba(85, 180, 176, 0.6);
}

.cta-icon {
    font-size: 1.5rem;
    animation: bounceUpDown 1.5s infinite ease-in-out;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--color-text-light);
    color: var(--color-primary-dark);
    border-color: var(--color-text-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
    background: var(--color-accent-teal);
    color: var(--color-text-light);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-light);
    border-color: var(--color-text-light);
}

.btn-secondary:hover {
    background: var(--color-text-light);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

@keyframes bounceUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Sections Styling */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    opacity: 1; /* Hidden by default for scroll reveal */
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal .reveal-left {
    opacity: 1;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.scroll-reveal.is-visible .reveal-left {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal .reveal-right {
    opacity: 1;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.scroll-reveal.is-visible .reveal-right {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal .reveal-bottom {
    opacity: 1;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.scroll-reveal.is-visible .reveal-bottom {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal .delay-1 { transition-delay: 0.1s; }
.scroll-reveal .delay-2 { transition-delay: 0.2s; }
.scroll-reveal .delay-3 { transition-delay: 0.3s; }
.scroll-reveal .delay-4 { transition-delay: 0.4s; }
.scroll-reveal .delay-5 { transition-delay: 0.5s; }


/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-accent-teal), var(--color-accent-purple));
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--color-shadow-dark);
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    object-fit: cover;
    filter: brightness(0.9);
}

.about-content p {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

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

.course-card {
    background-color: var(--color-primary-dark);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px var(--color-shadow-dark);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid rgba(85, 180, 176, 0.1);
}

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(85, 180, 176, 0.2);
}

.course-card .card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.course-card .card-content {
    padding: var(--spacing-md);
}

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.course-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}


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

.feature-item {
    background-color: var(--color-secondary-dark);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--color-shadow-dark);
    border: 1px solid rgba(138, 43, 226, 0.1);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background-color: var(--color-primary-dark);
}

.feature-item .icon-box {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--color-accent-teal), var(--color-accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm) auto;
    font-size: 2.5rem;
    color: var(--color-text-light);
    box-shadow: 0 0 15px var(--color-accent-teal);
    transition: transform 0.3s ease;
}

.feature-item:hover .icon-box {
    transform: rotateY(180deg);
    box-shadow: 0 0 20px var(--color-accent-purple);
}

.feature-item h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

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

.testimonial-card {
    background-color: var(--color-primary-dark);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 8px 25px var(--color-shadow-dark);
    text-align: center;
    position: relative;
    border: 1px solid rgba(85, 180, 176, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card::before {
    content: '\201C'; /* Left double quotation mark */
    font-family: serif;
    font-size: 5rem;
    color: var(--color-accent-teal);
    position: absolute;
    top: 10px;
    left: 20px;
    opacity: 1;.2;
    z-index: 1;
}
.testimonial-card::after {
    content: '\201D'; /* Right double quotation mark */
    font-family: serif;
    font-size: 5rem;
    color: var(--color-accent-purple);
    position: absolute;
    bottom: -10px;
    right: 20px;
    opacity: 1;.2;
    z-index: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(85, 180, 176, 0.3);
}

.testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
    border: 3px solid var(--color-accent-teal);
    box-shadow: 0 0 0 5px rgba(85, 180, 176, 0.2);
}

.testimonial-quote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 2;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-accent-purple);
    font-size: 1rem;
    position: relative;
    z-index: 2;
}


/* Explore Section */
.explore-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
    text-align: center;
}

.explore-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    background-color: var(--color-primary-dark);
    border: 1px solid rgba(138, 43, 226, 0.2);
}

.explore-content .section-title {
    margin-bottom: var(--spacing-sm);
    font-size: 2.8rem;
}

.explore-text {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.explore-visual-prompt {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(90deg, var(--color-accent-purple), var(--color-accent-teal));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: 0.03em;
    box-shadow: 0 5px 20px rgba(138, 43, 226, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.explore-visual-prompt:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(138, 43, 226, 0.6);
}

.explore-icon {
    font-size: 1.8rem;
    animation: pulse 2s infinite ease-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 1;.8; }
}


/* Footer */
.main-footer {
    background-color: var(--color-secondary-dark);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
    color: var(--color-text-muted);
    border-top: 1px solid rgba(85, 180, 176, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
    font-size: 1.4rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-col p, .footer-col ul {
    font-size: 0.95rem;
}

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

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

.footer-col ul li a {
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--color-accent-teal);
    text-decoration: underline;
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(85, 180, 176, 0.15);
    color: var(--color-accent-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--color-accent-teal);
    color: var(--color-primary-dark);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(85, 180, 176, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(138, 43, 226, 0.1);
    margin-top: var(--spacing-md);
}

/* Animations for initial load */
.fade-in-up {
    opacity: 1;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards cubic-bezier(0.19, 1, 0.22, 1);
}

.fade-in-up.delay-0 { animation-delay: 0.3s; }
.fade-in-up.delay-1 { animation-delay: 0.6s; }
.fade-in-up.delay-2 { animation-delay: 0.9s; }
.fade-in-up.delay-3 { animation-delay: 1.2s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Responsive Design */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.5rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }
    .hero-content p {
        font-size: 1.2rem;
    }
    .hero-cta-visual {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-image-wrapper {
        order: -1; /* Image appears first on smaller screens */
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(10, 17, 40, 0.95);
        box-shadow: 0 8px 16px var(--color-shadow-dark);
        padding: var(--spacing-md) 0;
        border-top: 1px solid rgba(85, 180, 176, 0.1);
        backdrop-filter: blur(8px);
    }

    .nav-links.active {
        display: flex;
        animation: slideDown 0.4s ease-out forwards;
    }

    @keyframes slideDown {
        from { transform: translateY(-100%); opacity: 1; }
        to { transform: translateY(0); opacity: 1; }
    }

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

    .nav-links a {
        padding: 0.8rem var(--spacing-md);
        font-size: 1.1rem;
        width: 100%;
        display: block;
    }

    .nav-links a::after {
        left: 50%;
        transform: translateX(-50%);
        width: 0; /* Reset width for individual link hover */
    }

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

    .menu-toggle {
        display: block;
    }

    .hero-section {
        padding-top: 60px; /* Adjust for smaller header */
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .hero-cta-visual {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }

    .section-title {
        font-size: 2rem;
    }
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-lg);
    }

    .features-grid, .testimonial-grid, .course-grid {
        grid-template-columns: 1fr;
    }

    .explore-content {
        padding: var(--spacing-md);
    }
    .explore-content .section-title {
        font-size: 2.2rem;
    }
    .explore-text {
        font-size: 1.1rem;
    }
    .explore-visual-prompt {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-col ul {
        padding-left: 0;
    }
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 0.9rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .explore-content .section-title {
        font-size: 2rem;
    }
}


/* Animation states when visible - FIXED: Only opacity: 1 */
.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,
.reveal-item.visible,
.scroll-reveal.visible,
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in-up.visible.fade-in,
.section-scroll-animate.visible.fade-in {
    opacity: 1;
}

.animate-fade-in-up.visible.slide-up,
.section-scroll-animate.visible.slide-up {
    transform: translateY(0);
}
/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}