@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;800&family=Source+Sans+Pro:wght@300;400;600&display=swap');

:root {
    --9qc-primary: #7e22ce;
    --9qc-secondary: #581c87;
    --9qc-accent: #fb923c;
    --9qc-background: #faf5ff;
    --9qc-text: #3b0764;
    --9qc-muted: #c084fc;
    --9qc-white: #ffffff;
    --9qc-light-grey: #f0f0f0;
    --9qc-dark-grey: #333333;
    --9qc-border-radius: 8px;
    --9qc-transition-speed: 0.3s ease;
}

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

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

body {
    font-family: 'Source Sans Pro', sans-serif;
    line-height: 1.6;
    color: var(--9qc-text);
    background-color: var(--9qc-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--9qc-accent);
    color: var(--9qc-white);
}

a {
    color: var(--9qc-primary);
    text-decoration: none;
    transition: color var(--9qc-transition-speed);
}

a:hover {
    color: var(--9qc-accent);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Nunito', sans-serif;
    color: var(--9qc-secondary);
    margin-bottom: 0.8em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    font-weight: 800;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h4 {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 700;
}

h5 {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 700;
}

h6 {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    font-weight: 700;
}

p {
    margin-bottom: 1em;
}

strong {
    font-weight: 700;
}

/* Utility Classes */
.bk-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.bk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.bk-flex {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.bk-text-center {
    text-align: center;
}

.bk-py-80 {
    padding-top: 80px;
    padding-bottom: 80px;
}

.bk-py-48 {
    padding-top: 48px;
    padding-bottom: 48px;
}

/* Buttons */
.bk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--9qc-border-radius);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--9qc-transition-speed);
}

.bk-btn-primary {
    background-color: var(--9qc-primary);
    color: var(--9qc-white);
    border-color: var(--9qc-primary);
}

.bk-btn-primary:hover {
    background-color: var(--9qc-secondary);
    border-color: var(--9qc-secondary);
}

.bk-btn-secondary {
    background-color: var(--9qc-accent);
    color: var(--9qc-white);
    border-color: var(--9qc-accent);
}

.bk-btn-secondary:hover {
    background-color: var(--9qc-primary);
    border-color: var(--9qc-primary);
}

.bk-btn-outline {
    background-color: transparent;
    color: var(--9qc-primary);
    border-color: var(--9qc-primary);
}

.bk-btn-outline:hover {
    background-color: var(--9qc-primary);
    color: var(--9qc-white);
}

/* Header & Navigation */
.bk-header {
    background-color: var(--9qc-white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.bk-header .bk-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bk-logo {
    font-family: 'Nunito', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--9qc-primary);
    text-decoration: none;
}

.bk-logo span {
    color: var(--9qc-accent);
}

.bk-nav {
    display: flex;
    align-items: center;
}

.bk-nav-list {
    list-style: none;
    display: flex;
    margin-right: 20px;
}

.bk-nav-list li {
    margin-left: 30px;
}

.bk-nav-list a {
    color: var(--9qc-secondary);
    font-weight: 600;
    font-size: 1.05rem;
    position: relative;
    padding: 5px 0;
}

.bk-nav-list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--9qc-accent);
    transition: width var(--9qc-transition-speed);
}

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

.bk-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--9qc-primary);
    padding: 5px;
}

.bk-mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(250, 245, 255, 0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--9qc-transition-speed), visibility var(--9qc-transition-speed);
}

.bk-mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.bk-mobile-nav ul {
    list-style: none;
    text-align: center;
}

.bk-mobile-nav ul li {
    margin: 20px 0;
}

.bk-mobile-nav ul li a {
    color: var(--9qc-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    transition: color var(--9qc-transition-speed);
}

.bk-mobile-nav ul li a:hover {
    color: var(--9qc-primary);
}

.bk-close-nav {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    background: none;
    border: none;
    color: var(--9qc-primary);
    cursor: pointer;
}

/* Hero Section */
.bk-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(126, 34, 206, 0.8), rgba(88, 28, 135, 0.8)), url('https://picsum.photos/seed/courses-hero/1400/800') no-repeat center center/cover;
    color: var(--9qc-white);
    text-align: center;
    position: relative;
    padding: 80px 0;
}

.bk-hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.bk-hero h1 {
    color: var(--9qc-white);
    margin-bottom: 20px;
}

.bk-hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Section Styling */
.bk-section {
    padding: 100px 0;
    position: relative;
}

.bk-section:nth-of-type(odd) {
    background-color: var(--9qc-white);
}

.bk-section:nth-of-type(even) {
    background-color: var(--9qc-background);
}

.bk-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.bk-section-header h2 {
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.bk-section-header h2::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
    width: 60px;
    height: 4px;
    background-color: var(--9qc-accent);
    border-radius: 2px;
}

/* Icon Features */
.bk-feature-card {
    text-align: center;
    padding: 30px;
    background-color: var(--9qc-white);
    border-radius: var(--9qc-border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform var(--9qc-transition-speed), box-shadow var(--9qc-transition-speed);
}

.bk-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.bk-feature-card i {
    font-size: 3rem;
    color: var(--9qc-primary);
    margin-bottom: 20px;
}

.bk-feature-card h3 {
    color: var(--9qc-secondary);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* CTA Inline */
.bk-cta-inline {
    background-color: var(--9qc-secondary);
    color: var(--9qc-white);
    padding: 60px 0;
    text-align: center;
}

.bk-cta-inline h2 {
    color: var(--9qc-white);
    margin-bottom: 20px;
}

.bk-cta-inline p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Value Props */
.bk-value-prop-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background-color: var(--9qc-white);
    border-radius: var(--9qc-border-radius);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: background-color var(--9qc-transition-speed);
}

.bk-value-prop-item:hover {
    background-color: var(--9qc-background);
}

.bk-value-prop-item i {
    font-size: 2.5rem;
    color: var(--9qc-accent);
    flex-shrink: 0;
}

.bk-value-prop-item h3 {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--9qc-primary);
}

/* FAQ Section */
.bk-faq-item {
    background-color: var(--9qc-white);
    border-radius: var(--9qc-border-radius);
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.bk-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--9qc-secondary);
    cursor: pointer;
    background-color: var(--9qc-background);
    transition: background-color var(--9qc-transition-speed);
}

.bk-faq-q:hover {
    background-color: var(--9qc-light-grey);
}

.bk-faq-q::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--9qc-primary);
    transition: transform var(--9qc-transition-speed);
}

.bk-faq-item.active .bk-faq-q::after {
    transform: rotate(45deg);
}

.bk-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--9qc-transition-speed);
    padding: 0 25px;
}

.bk-faq-item.active .bk-faq-a {
    max-height: 500px; /* Adjust as needed */
    padding: 15px 25px 25px;
}

.bk-faq-a p {
    margin-bottom: 0;
    color: var(--9qc-text);
}

/* Feature Highlights / Course Cards */
.bk-course-card {
    background-color: var(--9qc-white);
    border-radius: var(--9qc-border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    text-align: left;
    transition: transform var(--9qc-transition-speed), box-shadow var(--9qc-transition-speed);
}

.bk-course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.bk-course-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.bk-course-card-content {
    padding: 25px;
}

.bk-course-card-content h3 {
    font-size: 1.6rem;
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--9qc-secondary);
}

.bk-course-card-content p {
    font-size: 0.95rem;
    color: var(--9qc-dark-grey);
    margin-bottom: 15px;
}

.bk-course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.bk-course-meta .bk-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--9qc-primary);
}

.bk-course-meta .bk-duration {
    font-size: 0.9rem;
    color: var(--9qc-muted);
}

/* Simple Testimonials */
.bk-testimonial-card {
    background-color: var(--9qc-white);
    padding: 30px;
    border-radius: var(--9qc-border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.bk-testimonial-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--9qc-dark-grey);
}

.bk-testimonial-author {
    font-weight: 700;
    color: var(--9qc-primary);
}

.bk-testimonial-author span {
    font-weight: 400;
    color: var(--9qc-muted);
    display: block;
    font-size: 0.9rem;
}

/* Trust Section */
.bk-trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    border-radius: var(--9qc-border-radius);
    background-color: var(--9qc-white);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.bk-trust-item i {
    font-size: 3.5rem;
    color: var(--9qc-accent);
    margin-bottom: 15px;
}

.bk-trust-item h3 {
    margin-bottom: 5px;
    color: var(--9qc-primary);
}

.bk-trust-item p {
    font-size: 0.9rem;
    color: var(--9qc-dark-grey);
    margin-bottom: 0;
}

/* Lead Form */
.bk-lead-form-section {
    background: linear-gradient(to right, var(--9qc-primary), var(--9qc-secondary));
    padding: 80px 0;
    color: var(--9qc-white);
}

.bk-lead-form-section .bk-section-header h2 {
    color: var(--9qc-white);
}

.bk-lead-form-section .bk-section-header h2::after {
    background-color: var(--9qc-accent);
}

.bk-form-card {
    background-color: var(--9qc-white);
    padding: 40px;
    border-radius: var(--9qc-border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    max-width: 600px;
    margin: 0 auto;
}

.bk-form-group {
    margin-bottom: 20px;
}

.bk-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--9qc-secondary);
}

.bk-form-group input[type="text"],
.bk-form-group input[type="email"],
.bk-form-group input[type="tel"],
.bk-form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--9qc-muted);
    border-radius: var(--9qc-border-radius);
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1rem;
    color: var(--9qc-text);
    transition: border-color var(--9qc-transition-speed), box-shadow var(--9qc-transition-speed);
}

.bk-form-group input:focus,
.bk-form-group textarea:focus {
    outline: none;
    border-color: var(--9qc-primary);
    box-shadow: 0 0 0 3px rgba(126, 34, 206, 0.2);
}

.bk-form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.bk-form-message {
    padding: 15px;
    margin-top: 20px;
    border-radius: var(--9qc-border-radius);
    text-align: center;
    font-weight: 600;
}

#swgkiwz.bk-form-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#riazyrg.bk-form-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#swgkiwz, #riazyrg {
    display: none;
}

/* Footer */
.bk-footer {
    background-color: var(--9qc-secondary);
    color: var(--9qc-white);
    padding: 60px 0 30px;
    font-size: 0.95rem;
}

.bk-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.bk-footer-col h4 {
    color: var(--9qc-white);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.bk-footer-col p {
    line-height: 1.8;
    color: var(--9qc-light-grey);
}

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

.bk-footer-col ul li {
    margin-bottom: 10px;
}

.bk-footer-col ul li a {
    color: var(--9qc-light-grey);
    transition: color var(--9qc-transition-speed);
}

.bk-footer-col ul li a:hover {
    color: var(--9qc-accent);
}

.bk-social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.bk-social-links a {
    color: var(--9qc-white);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border: 1px solid var(--9qc-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--9qc-transition-speed), border-color var(--9qc-transition-speed);
}

.bk-social-links a:hover {
    background-color: var(--9qc-primary);
    border-color: var(--9qc-primary);
    color: var(--9qc-white);
}

.bk-footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--9qc-light-grey);
}

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

.bk-animate {
    opacity: 0;
    transform: translateY(20px);
}

.bk-animate.bk-animated {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .bk-nav-list {
        margin-right: 10px;
    }

    .bk-nav-list li {
        margin-left: 20px;
    }

    .bk-section {
        padding: 80px 0;
    }
}

@media (max-width: 768px) {
    .bk-nav {
        display: none;
    }

    .bk-nav-toggle {
        display: block;
    }

    .bk-hero h1 {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .bk-hero p {
        font-size: 1.1rem;
    }

    .bk-section {
        padding: 60px 0;
    }

    .bk-section-header {
        margin-bottom: 40px;
    }

    .bk-grid {
        grid-template-columns: 1fr;
    }

    .bk-cta-inline {
        padding: 40px 0;
    }

    .bk-cta-inline h2 {
        font-size: 2rem;
    }

    .bk-cta-inline p {
        font-size: 1rem;
    }

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

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

@media (max-width: 480px) {
    .bk-container {
        padding: 0 15px;
    }

    .bk-hero h1 {
        font-size: clamp(1.8rem, 9vw, 3rem);
    }

    .bk-hero p {
        font-size: 0.95rem;
    }

    .bk-btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .bk-logo {
        font-size: 1.5rem;
    }

    .bk-faq-q {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .bk-faq-a {
        padding: 10px 20px 20px;
    }
}

/* === Quality polish === */
button, [class*="btn"], [class*="cta"] { transition: all 0.3s ease; cursor: pointer; }
button:hover, [class*="btn"]:hover, [class*="cta"]:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); filter: brightness(1.05); }