/* Variables y estilos globales */
:root {
    --primary-color: #00BFFF; /* Azul eléctrico */
    --secondary-color: #00FFCC; /* Verde menta digital */
    --bg-color: #0A0A23; /* Fondo más oscuro */
    --text-color: #FFFFFF; /* Blanco puro */
    --text-secondary: #FFFFFF; /* Cambiado de gris a blanco */
    --section-highlight: #050520; /* Azul oscuro más intenso */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition-speed: 0.3s;
    /* @tweakable Base font size that scales responsively */
    --font-size-base: clamp(14px, 2.5vw, 16px);
    /* @tweakable Heading font size scaling - improved for zoom compatibility */
    --font-size-h1: clamp(1.3rem, 3.5vw, 1.9rem);
    --font-size-h2: clamp(1.4rem, 4vw, 2rem);
    --font-size-h3: clamp(1.2rem, 3.5vw, 1.5rem);
    /* @tweakable Button font size scaling */
    --font-size-button: clamp(1rem, 2.8vw, 1.2rem);
    /* @tweakable Subtitle font size scaling */
    --font-size-subtitle: clamp(1rem, 3vw, 1.2rem);
    /* @tweakable Minimum button padding for touch targets */
    --button-padding-min: clamp(0.8rem, 3vw, 1rem) clamp(1.5rem, 4vw, 2rem);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative; /* For parallax effect */
    overflow-x: hidden; /* Prevent horizontal scrolling */
    font-size: var(--font-size-base);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--section-highlight) 100%);
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -9;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 191, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 204, 0.1) 0%, transparent 40%);
    opacity: 0.8;
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: 1rem;
}

section {
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
    background-color: transparent;
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.2);
    margin: 2rem 0;
    border-radius: 8px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.emphasis {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Botón CTA */
.cta-button {
    background-color: var(--primary-color);
    color: var(--section-highlight);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed);
    margin: 1.5rem 0;
    box-shadow: 0 4px 15px rgba(0, 191, 255, 0.3);
    font-size: var(--font-size-button);
    padding: var(--button-padding-min);
    /* @tweakable Minimum button width for better touch targets */
    min-width: clamp(200px, 50vw, 300px);
    /* @tweakable Maximum button width to prevent overstretching */
    max-width: 100%;
    word-wrap: break-word;
    text-align: center;
    /* @tweakable Mobile button font size to ensure readability */
    font-size: clamp(0.9rem, 4vw, 1.2rem);
    /* @tweakable Mobile button padding for better touch interaction */
    padding: clamp(0.8rem, 3vw, 1rem) clamp(1rem, 4vw, 2rem);
    /* @tweakable Mobile button margin to ensure visibility */
    margin: clamp(1rem, 3vw, 1.5rem) auto;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Hero section */
.hero {
    position: relative;
    /* @tweakable Minimum height for mobile to prevent title cutoff */
    min-height: clamp(80vh, 100vh, 120vh);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-image: url('/replicate-prediction-v4533zcdv9rma0cnx6m8a6qzym.webp');
    background-size: cover;
    background-position: center;
    /* @tweakable Top padding to ensure title is visible on mobile */
    padding-top: clamp(2rem, 8vh, 4rem);
    /* @tweakable Bottom padding to ensure button is visible on mobile */
    padding-bottom: clamp(2rem, 8vh, 4rem);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.85);
    z-index: 0;
}

.hero-content {
    max-width: 1000px;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    /* @tweakable Width constraint to prevent content overflow on zoom */
    width: min(1000px, 95vw);
    /* @tweakable Minimum padding to maintain spacing at all zoom levels */
    padding: 0 clamp(0.5rem, 3vw, 2rem);
    /* @tweakable Vertical centering adjustment for mobile */
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* @tweakable Minimum height to ensure content fits on mobile */
    min-height: clamp(60vh, 80vh, 90vh);
}

.hero h1 {
    font-size: var(--font-size-h1);
    /* @tweakable Spacing between title and video container */
    margin-bottom: clamp(0.5rem, 2vw, 1rem);
    line-height: clamp(1.2, 1.4, 1.6);
    /* @tweakable Maximum width to prevent title from overflowing viewport */
    max-width: 95vw;
    /* @tweakable Word breaking behavior - nowrap prevents breaking words across lines */
    word-break: keep-all;
    /* @tweakable Overflow wrapping behavior - break-word allows breaking only at natural word boundaries */
    overflow-wrap: break-word;
    /* @tweakable White space handling - normal allows wrapping at word boundaries but keeps words intact */
    white-space: normal;
    /* @tweakable Margin adjustments to keep title visible during zoom */
    margin: clamp(1rem, 3vw, 1.5rem) auto;
    /* @tweakable Padding to ensure title doesn't touch screen edges */
    padding: 0 clamp(0.5rem, 2vw, 1rem);
    text-align: center;
    /* @tweakable Mobile-specific font size scaling */
    font-size: clamp(1.1rem, 4.5vw, 1.9rem);
}

.hero .subtitle {
    font-size: var(--font-size-subtitle);
    color: var(--text-secondary);
    /* @tweakable Top margin to reduce space between image and subtitle */
    margin-top: clamp(0.5rem, 2vw, 1rem);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
    /* @tweakable Mobile subtitle font size scaling */
    font-size: clamp(0.9rem, 4vw, 1.2rem);
    /* @tweakable Mobile subtitle margin for better spacing */
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

/* Video container styles */
.video-container {
    width: 100%;
    max-width: 800px;
    /* @tweakable Top margin to control space between title and image */
    margin: clamp(0.5rem, 2vw, 1rem) auto;
    /* @tweakable Bottom margin to control space between image and subtitle */
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.video-wrapper {
    position: relative;
    padding-bottom: 75%; /* Changed from 56.25% to better accommodate the screenshot */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    /* @tweakable remove or add box shadow around the image */
    box-shadow: none;
    /* @tweakable background color when image doesn't fill container - set to transparent to remove blue background */
    background-color: transparent;
    /* @tweakable Padding bottom for better aspect ratio on mobile */
    padding-bottom: clamp(60%, 75%, 80%);
}

.video-wrapper iframe,
.video-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* @tweakable how the image fits within the container - contain shows full image */
    object-fit: contain;
}

/* Para quién es este curso */
.for-whom {
    background-image: url('/replicate-prediction-cx1j2s0r71rme0cnx6nb214gfr.webp');
    position: relative;
}

.for-whom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.for-whom-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    position: relative;
    z-index: 2;
}

.for-whom-item {
    padding: 1.5rem;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-speed);
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

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

.for-whom-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Puntos de dolor */
.pain-points {
    background-color: var(--bg-color);
    text-align: center;
    background-image: url('/replicate-prediction-gjsfqv7qzxrma0cnx5tbq90kpw.webp');
    position: relative;
}

.pain-points::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.pain-points-items {
    position: relative;
    z-index: 2;
}

.pain-point {
    padding: 1.5rem;
    border-radius: 10px;
    background-color: var(--section-highlight);
    transition: all var(--transition-speed);
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.pain-point:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 15px rgba(0, 191, 255, 0.2);
}

.pain-point i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Sección de transición */
.transition {
    background-color: var(--section-highlight);
    text-align: center;
    background-image: url('/replicate-prediction-twhzhz73k5rmc0cnx5trvfhz4g.webp');
    position: relative;
}

.transition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.transition-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.transition-image {
    margin-top: 2rem;
}

/* Beneficios */
.benefits {
    text-align: center;
    background-color: var(--bg-color);
    background-image: url('/replicate-prediction-y6napcybrdrme0cnx5s8ha05k0.webp');
    background-size: cover;
    background-position: center;
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.85);
    z-index: -1;
    border-radius: 8px;
}

.benefits-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
    position: relative;
    z-index: 2;
}

.benefits-list {
    flex: 1;
    min-width: 300px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.benefit-item {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    text-align: left;
}

.benefit-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

/* Cómo funciona */
.how-it-works {
    background-color: var(--section-highlight);
    text-align: center;
    background-image: url('/replicate-prediction-hkkrcwtetnrm80cnx6mr4mkt84.webp');
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.details-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    position: relative;
    z-index: 2;
}

.detail-item {
    flex: 1;
    min-width: 200px;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all var(--transition-speed);
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.detail-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.1);
}

.detail-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.includes-container {
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.includes-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.include-item {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.include-item i {
    color: var(--secondary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

/* Schedule dates styling */
.schedule-container {
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.schedule-dates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.date-item {
    display: flex;
    align-items: center;
    background-color: rgba(0, 191, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
    transition: all var(--transition-speed);
    /* @tweakable Minimum height for better touch interaction */
    min-height: 60px;
}

.date-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 191, 255, 0.3);
}

.date-item i {
    color: var(--secondary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.date-item p {
    margin: 0;
    font-weight: 500;
}

/* Resultados */
.results {
    text-align: center;
    background-color: var(--bg-color);
    background-image: url('/replicate-prediction-v4533zcdv9rma0cnx6m8a6qzym.webp');
    background-size: cover;
    background-position: center;
    position: relative;
}

.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.85);
    z-index: -1;
    border-radius: 8px;
}

.results-container {
    position: relative;
    z-index: 2;
}

.results-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.result-item {
    padding: 2rem;
    background-color: var(--section-highlight);
    border-radius: 10px;
    transition: all var(--transition-speed);
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.result-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 191, 255, 0.2);
}

.result-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.result-item h3 {
    margin-bottom: 0.5rem;
}

/* Contexto */
.context {
    background-color: var(--section-highlight);
    text-align: center;
    background-image: url('/replicate-prediction-y6napcybrdrme0cnx5s8ha05k0.webp');
    position: relative;
}

.context::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.context-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.context-animation {
    margin-top: 2rem;
}

.pulsing-animation circle {
    animation: pulse 3s infinite;
    transform-origin: center;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* FAQ */
.faq {
    text-align: center;
    background-color: var(--bg-color);
    background-image: url('/replicate-prediction-twhzhz73k5rmc0cnx5trvfhz4g.webp');
    background-size: cover;
    background-position: center;
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.85);
    z-index: -1;
    border-radius: 8px;
}

.faq-container {
    position: relative;
    z-index: 2;
}

.faq-container {
    max-width: 800px;
    margin: 2rem auto 0;
}

.faq-item {
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    cursor: pointer;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.2rem;
    text-align: left;
    font-size: var(--font-size-h3);
    /* @tweakable Ensure text wraps properly on mobile */
    word-wrap: break-word;
    hyphens: auto;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-speed);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed);
    text-align: left;
    padding: 0 1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1rem;
}

/* Instructor */
.instructor {
    background-color: var(--section-highlight);
    text-align: center;
    background-image: url('/replicate-prediction-gjsfqv7qzxrma0cnx5tbq90kpw.webp');
    position: relative;
}

.instructor::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.8);
    z-index: -1;
    border-radius: 8px;
}

.instructor-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.instructor-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.instructor-avatar {
    margin: 1.5rem 0;
}

.avatar-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #00BFFF;
    margin: 0 auto;
    background-color: #0A0A23;
    /* @tweakable Avatar size scaling for mobile */
    width: clamp(100px, 20vw, 150px);
    height: clamp(100px, 20vw, 150px);
}

.instructor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

/* CTA Final */
.final-cta {
    text-align: center;
    background-color: var(--bg-color);
    padding: 5rem 2rem;
    background-image: url('/replicate-prediction-hkkrcwtetnrm80cnx6mr4mkt84.webp');
    background-size: cover;
    background-position: center;
    position: relative;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.75);
    z-index: 0;
    border-radius: 8px;
}

.final-cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.final-cta .cta-button {
    padding: 1.2rem 2.5rem;
    font-size: 1.3rem;
}

/* Footer */
footer {
    background-color: var(--section-highlight);
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

/* Background patterns */
.section-bg-tech {
    background: rgba(10, 10, 35, 0.5);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.section-bg-tech::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(0, 191, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 80% 50%, rgba(0, 255, 204, 0.04) 0%, transparent 20%);
    z-index: -1;
}

.tech-bg, .tech-pattern {
    display: none;
}

.hero-background {
    display: none; /* Remove the old complex background */
}

/* Estilos para el modal de checkout */
.checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 32, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.checkout-modal.active {
    opacity: 1;
    visibility: visible;
}

.checkout-form-container {
    background-color: var(--section-highlight);
    border-radius: 10px;
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.4);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    /* @tweakable Modal width scaling for different screen sizes */
    width: clamp(300px, 90vw, 500px);
    max-height: 90vh;
    overflow-y: auto;
}

.checkout-modal.active .checkout-form-container {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

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

#checkout-form {
    margin-top: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid rgba(0, 191, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    /* @tweakable Input padding for better touch interaction */
    padding: clamp(0.6rem, 2vw, 0.8rem);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(0, 191, 255, 0.5);
}

.submit-form {
    background-color: var(--primary-color);
    color: var(--section-highlight);
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed);
    width: 100%;
    margin-top: 1rem;
    font-size: var(--font-size-button);
    padding: var(--button-padding-min);
    /* @tweakable Minimum button height for accessibility */
    min-height: 44px;
}

.submit-form:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        /* @tweakable Mobile hero height adjustment */
        min-height: 90vh;
        /* @tweakable Mobile hero padding to prevent content cutoff */
        padding: clamp(1rem, 5vh, 3rem) clamp(1rem, 4vw, 1.5rem);
    }
    
    .hero-content {
        /* @tweakable Mobile hero content height adjustment */
        min-height: 70vh;
        /* @tweakable Mobile content padding */
        padding: clamp(1rem, 5vw, 2rem) clamp(0.5rem, 3vw, 1rem);
        justify-content: space-evenly;
    }
    
    .hero h1 {
        /* @tweakable Mobile title font size override - reduced size */
        font-size: clamp(1.2rem, 5.5vw, 1.7rem);
        /* @tweakable Mobile title line height for better readability */
        line-height: 1.3;
        /* @tweakable Mobile title margin adjustment */
        margin-bottom: clamp(1rem, 4vw, 1.5rem);
    }
    
    .hero .subtitle {
        /* @tweakable Mobile subtitle font size override */
        font-size: clamp(0.9rem, 4vw, 1rem);
        /* @tweakable Mobile subtitle margin */
        margin-bottom: clamp(1.5rem, 5vw, 2rem);
    }
    
    .cta-button {
        /* @tweakable Mobile button padding override */
        padding: clamp(0.8rem, 4vw, 1rem) clamp(1.2rem, 5vw, 1.5rem);
        /* @tweakable Mobile button font size override */
        font-size: clamp(0.9rem, 4vw, 1rem);
    }
    
    section {
        padding: 3rem 1.5rem;
    }
    
    .schedule-dates {
        grid-template-columns: 1fr;
    }
    
    .date-item {
        min-width: 100%;
    }
    
    section {
        /* @tweakable Section padding for mobile devices */
        padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem);
        margin: clamp(1rem, 3vw, 2rem) 0;
    }
    
    .for-whom-items,
    .results-container {
        /* @tweakable Grid columns for mobile - single column layout */
        grid-template-columns: 1fr;
        gap: clamp(1rem, 4vw, 2rem);
    }
    
    .details-container {
        flex-direction: column;
        gap: clamp(1rem, 4vw, 2rem);
    }
    
    .benefit-item {
        /* @tweakable Mobile text alignment for better readability */
        text-align: left;
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .hero {
        /* @tweakable Very small screen height adjustment */
        min-height: 100vh;
        /* @tweakable Very small screen padding */
        padding: clamp(0.5rem, 3vh, 2rem) clamp(0.5rem, 2vw, 1rem);
    }
    
    .hero-content {
        /* @tweakable Very small screen content height */
        min-height: 80vh;
        justify-content: space-around;
    }
    
    .hero h1 {
        /* @tweakable Very small screen title font size - reduced */
        font-size: clamp(1.0rem, 5vw, 1.5rem);
        /* @tweakable Very small screen title margin */
        margin-bottom: clamp(0.8rem, 3vw, 1.2rem);
    }
    
    .hero .subtitle {
        /* @tweakable Very small screen subtitle font size */
        font-size: clamp(0.8rem, 3.5vw, 0.95rem);
        /* @tweakable Very small screen subtitle margin */
        margin-bottom: clamp(1.2rem, 4vw, 1.8rem);
    }
    
    .cta-button {
        /* @tweakable Very small screen button padding */
        padding: clamp(0.7rem, 3vw, 0.9rem) clamp(1rem, 4vw, 1.3rem);
        /* @tweakable Very small screen button font size */
        font-size: clamp(0.85rem, 3.5vw, 0.95rem);
        /* @tweakable Very small screen button margin */
        margin: clamp(1rem, 4vw, 1.5rem) auto;
    }
    
    .detail-item, .for-whom-item, .pain-point, .result-item {
        min-width: 100%;
    }
    
    .for-whom-item,
    .pain-point,
    .result-item,
    .detail-item {
        /* @tweakable Mobile padding for better touch interaction */
        padding: clamp(1rem, 4vw, 1.5rem);
    }
}

@media (min-width: 768px) {
    section {
        transform: translateZ(0);
        transition: transform 0.1s;
    }
    
    section:hover {
        transform: translateZ(5px);
    }
    
    /* @tweakable Maximum container width to prevent over-stretching on zoom */
    .hero-content,
    .transition-content,
    .context-content,
    .final-cta-content,
    .instructor-content {
        max-width: min(1000px, 90vw);
    }
    
    section {
        /* @tweakable Section max width for desktop zoom compatibility */
        max-width: min(100%, 1200px);
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 600px) {
    .checkout-form-container {
        padding: 1.5rem;
    }
}