:root {
    /* Color Palette */
    --color-primary: #13c2c2;
    --color-primary-light: #5cdbd3;
    --color-background-dark: #141414;
    --color-background-medium: #1f1f1f;
    --color-text-light: #ffffff;
    --color-text-medium: #d9d9d9;
    --color-text-subtle: #8c8c8c;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Shadows and Transitions */
    --shadow-subtle: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.2);
    --transition-smooth: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    font-family: var(--font-primary);
    background: var(--color-background-dark);
    color: var(--color-text-light);
    line-height: 1.6;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-subtle);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(20, 20, 20, 0.9);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav__logo {
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 700;
    gap: 0.75rem;
}

.nav__logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav__link {
    color: var(--color-text-medium);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.nav__link:hover {
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    text-align: center;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-background-dark);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.btn--secondary:hover {
    background: rgba(19, 194, 194, 0.1);
}

.btn--large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.btn--extra-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: var(--color-background-dark);
    padding: 6rem 0;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__text {
    display: flex;
    flex-direction: column;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero__subtitle {
    color: var(--color-text-medium);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero__visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

.hero__social-proof {
    display: flex;
    gap: 2rem;
}

.social-proof__item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-proof__number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.social-proof__label {
    color: var(--color-text-subtle);
    font-size: 0.9rem;
}

/* Features Section */
.features {
    background: var(--color-background-medium);
    padding: 6rem 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--color-background-dark);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-card__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.feature-card__title {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.feature-card__description {
    color: var(--color-text-medium);
}

/* Testimonials Section */
.testimonials {
    background: var(--color-background-dark);
    padding: 6rem 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--color-background-medium);
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-card p {
    color: var(--color-text-medium);
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.testimonial-author span {
    color: var(--color-text-light);
}

/* Final CTA Section */
.cta-final {
    background: var(--color-background-medium);
    padding: 6rem 0;
    text-align: center;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Footer */
.footer {
    background: var(--color-background-dark);
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__links {
    display: flex;
    gap: 1.5rem;
}

.footer__links a,
.footer__copyright a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer__links a:hover,
.footer__copyright a:hover {
    color: var(--color-text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero__content,
    .features__grid,
    .testimonial-grid,
    .cta-buttons {
        grid-template-columns: 1fr;
        flex-direction: column;
        gap: 2rem;
    }

    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav__actions {
        width: 100%;
        justify-content: center;
    }

    .hero__title {
        font-size: 2.75rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .hero__title {
        font-size: 2.25rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }
} 

/* Tutorial Video Section */
.tutorial-video {
    background: var(--color-background-medium);
    padding: 6rem 0;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    transition: transform 0.3s ease;
}

.video-wrapper:hover iframe {
    transform: scale(1.02);
}