/* =========================================
   Base Styles & Variables
   ========================================= */
:root {
    /* Color Palette */
    --primary: #4d7bfc;
    --primary-dark: #3960d6;
    --primary-light: #7499ff;
    --secondary: #6c63ff;
    --accent: #ff5678;
    --accent-dark: #e33f60;
    --text-dark: #2d3748;
    --text-medium: #4a5568;
    --text-light: #718096;
    --background: #ffffff;
    --background-alt: #f7fafc;
    --background-dark: #1a202c;
    --success: #48bb78;
    --error: #e53e3e;
    --warning: #ed8936;
    --info: #4299e1;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-md: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;      /* 4px */
    --spacing-sm: 0.5rem;       /* 8px */
    --spacing-md: 1rem;         /* 16px */
    --spacing-lg: 1.5rem;       /* 24px */
    --spacing-xl: 2rem;         /* 32px */
    --spacing-2xl: 3rem;        /* 48px */
    --spacing-3xl: 4rem;        /* 64px */
    --spacing-4xl: 6rem;        /* 96px */
    
    /* Borders */
    --border-radius-sm: 0.25rem;  /* 4px */
    --border-radius-md: 0.5rem;   /* 8px */
    --border-radius-lg: 1rem;     /* 16px */
    --border-radius-xl: 2rem;     /* 32px */
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
    --section-spacing: 100px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
}

/* =========================================
   Utilities
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.btn--primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(77, 123, 252, 0.4);
}

.btn--primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(77, 123, 252, 0.5);
}

.btn--secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn--secondary:hover {
    background-color: rgba(77, 123, 252, 0.1);
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header--light {
    color: white;
}

.section-title {
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary);
    border-radius: var(--border-radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-medium);
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
}

.section-header--light .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* =========================================
   Header & Navigation
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    height: 65px;
    box-shadow: var(--shadow-md);
}

.header__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: block;
    height: 48px;
}

.logo img {
    height: 100%;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

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

.nav__link:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--background);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: right var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-menu__close {
    font-size: 1.5rem;
    color: var(--text-dark);
}

.mobile-menu__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.mobile-menu__item {
    margin-bottom: var(--spacing-md);
}

.mobile-menu__link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    color: var(--primary);
    padding-left: var(--spacing-sm);
}

.mobile-menu__footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #f5f7ff 0%, #eef1ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: -150px;
    right: -150px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(77, 123, 252, 0.1) 0%, rgba(77, 123, 252, 0) 70%);
}

.hero::after {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.1) 0%, rgba(108, 99, 255, 0) 70%);
}

.hero__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.hero__text {
    font-size: var(--font-size-lg);
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
}

.hero__image {
    position: relative;
}

.hero__image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero__image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-light);
    border-radius: var(--border-radius-lg);
    z-index: -1;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.stat-card {
    background-color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card__number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card__text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-medium);
    margin-bottom: 0;
}

/* =========================================
   About Section
   ========================================= */
.about {
    padding: var(--section-spacing) 0;
    background-color: var(--background);
}

.about__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about__video {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__video img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-normal);
}

.about__video:hover img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.video-play-btn:hover {
    background-color: var(--primary);
    color: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.about__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.about__text {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
}

.about__list {
    margin-bottom: var(--spacing-xl);
}

.about__list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: var(--spacing-sm);
}

.about__list li::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 0;
    width: 18px;
    height: 18px;
    background-color: rgba(77, 123, 252, 0.2);
    border-radius: 50%;
}

.about__list li::after {
    content: '';
    position: absolute;
    top: 13px;
    left: 5px;
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
}

/* =========================================
   Benefits Section
   ========================================= */
.benefits {
    padding: var(--section-spacing) 0;
    background: linear-gradient(135deg, #4d7bfc 0%, #6c63ff 100%);
    color: white;
    position: relative;
}

.benefits__shape-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--background);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

.benefits__shape-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--background);
    clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.benefit-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.1);
    background-color: rgba(255, 255, 255, 0.15);
}

.benefit-card__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
    transition: all var(--transition-normal);
}

.benefit-card:hover .benefit-card__icon {
    background-color: white;
    color: var(--primary);
    transform: rotate(10deg);
}

.benefit-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.benefit-card__text {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* =========================================
   Modules Section
   ========================================= */
.modules {
    padding: var(--section-spacing) 0;
    background-color: var(--background-alt);
}

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

.module-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.module-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: var(--background);
    color: var(--text-medium);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.module-tab:hover {
    background-color: rgba(77, 123, 252, 0.1);
    color: var(--primary);
}

.module-tab.active {
    background-color: var(--primary);
    color: white;
}

.module-content {
    position: relative;
    min-height: 400px;
}

.module-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    transform: translateY(20px);
}

.module-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.module-panel__inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.module-panel__image {
    height: 100%;
    overflow: hidden;
}

.module-panel__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.module-panel:hover .module-panel__image img {
    transform: scale(1.05);
}

.module-panel__content {
    padding: var(--spacing-xl);
}

.module-panel__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.module-panel__text {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
}

.module-panel__list {
    margin-bottom: var(--spacing-lg);
}

.module-panel__list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: var(--spacing-sm);
}

.module-panel__list li::before {
    content: '✓';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background-color: rgba(77, 123, 252, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--primary);
}

.module-panel__meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.meta-item svg {
    color: var(--primary);
}

/* =========================================
   Instructors Section
   ========================================= */
.instructors {
    padding: var(--section-spacing) 0;
    background-color: var(--background);
}

.instructors__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.instructor-card {
    background-color: var(--background-alt);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.instructor-card__image {
    height: 300px;
    overflow: hidden;
}

.instructor-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.instructor-card:hover .instructor-card__image img {
    transform: scale(1.05);
}

.instructor-card__name {
    font-size: var(--font-size-xl);
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-xs);
    color: var(--text-dark);
}

.instructor-card__title {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--primary);
    margin: 0 var(--spacing-lg) var(--spacing-md);
}

.instructor-card__bio {
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    margin: 0 var(--spacing-lg) var(--spacing-lg);
}

.instructor-card__credentials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.credential {
    font-size: var(--font-size-xs);
    padding: 4px 10px;
    background-color: rgba(77, 123, 252, 0.1);
    color: var(--primary);
    border-radius: var(--border-radius-full);
    font-weight: 500;
}

/* =========================================
   Testimonials Section
   ========================================= */
.testimonials {
    padding: var(--section-spacing) 0;
    background: linear-gradient(135deg, #6c63ff 0%, #4d7bfc 100%);
    color: white;
    position: relative;
}

.testimonials__shape-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--background);
    clip-path: polygon(0 0, 50% 100%, 100% 0);
}

.testimonials__shape-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--background);
    clip-path: polygon(50% 0, 0 100%, 100% 100%);
}

.testimonials__slider {
    position: relative;
    overflow: hidden;
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card__quote {
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: var(--spacing-md);
}

.testimonial-card__text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    color: white;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-card__author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.testimonial-card__name {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 0;
}

.testimonial-card__position {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.testimonials__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.testimonial-prev,
.testimonial-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-normal);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background-color: white;
    color: var(--primary);
}

.testimonials__dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.dot.active {
    background-color: white;
    transform: scale(1.2);
}

/* =========================================
   Pricing Section
   ========================================= */
.pricing {
    padding: var(--section-spacing) 0;
    background-color: var(--background-alt);
}

.pricing__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.toggle__label {
    font-weight: 500;
    color: var(--text-medium);
}

.toggle__save {
    font-size: var(--font-size-xs);
    background-color: var(--accent);
    color: white;
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    margin-left: var(--spacing-xs);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle__slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition-normal);
    border-radius: 30px;
}

.toggle__slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-normal);
    border-radius: 50%;
}

.toggle input:checked + .toggle__slider {
    background-color: var(--primary);
}

.toggle input:checked + .toggle__slider:before {
    transform: translateX(30px);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.pricing-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

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

.pricing-card--featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary);
}

.pricing-card--featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card__badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background-color: var(--accent);
    color: white;
    padding: 8px 40px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transform: rotate(45deg);
}

.pricing-card__header {
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-card__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.pricing-card__price {
    margin-bottom: var(--spacing-lg);
}

.price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
}

.price span {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-light);
}

.price.annual {
    display: none;
}

.pricing-card__description {
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    margin-bottom: 0;
}

.pricing-card__features {
    padding: var(--spacing-xl);
}

.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.pricing-card__features li svg {
    color: var(--primary);
    flex-shrink: 0;
}

.pricing-card__features li.disabled {
    color: var(--text-light);
}

.pricing-card__features li.disabled svg {
    color: var(--text-light);
}

.pricing__guarantee {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.guarantee-badge {
    flex-shrink: 0;
    color: var(--primary);
}

.guarantee-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.guarantee-text {
    color: var(--text-medium);
    margin-bottom: 0;
}

/* =========================================
   FAQ Section
   ========================================= */
.faq {
    padding: var(--section-spacing) 0;
    background-color: var(--background);
}

.faq__wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    margin-bottom: var(--spacing-md);
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion__header {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    color: var(--text-dark);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.accordion__header:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.accordion__icon {
    transition: transform var(--transition-normal);
}

.accordion__item.active .accordion__icon {
    transform: rotate(180deg);
}

.accordion__content {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.accordion__item.active .accordion__content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    max-height: 1000px;
}

/* =========================================
   Contact Section
   ========================================= */
.contact {
    padding: var(--section-spacing) 0;
    background-color: var(--background-alt);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact__form {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(77, 123, 252, 0.2);
}

.form-group--checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-group--checkbox input {
    width: auto;
}

.form-group--checkbox label {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    font-weight: normal;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__details {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item__icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(77, 123, 252, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item__content h4 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.contact-item__content p {
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    margin-bottom: 0;
}

.contact__map {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* =========================================
   Footer
   ========================================= */
.footer {
    padding: var(--section-spacing) 0 var(--spacing-xl);
    background-color: var(--background-dark);
    color: white;
    position: relative;
}

.footer__shape-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--background-alt);
    clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer__tagline {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.7);
}

.footer__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer__newsletter p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    transition: all var(--transition-fast);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: rgba(255, 255, 255, 0.1);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer__middle {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__list a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.footer__list a:hover {
    color: white;
    transform: translateX(5px);
}

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

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

.footer__badges {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* =========================================
   Back to Top Button
   ========================================= */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 900;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* =========================================
   Media Queries
   ========================================= */
@media (max-width: 1200px) {
    :root {
        --section-spacing: 80px;
    }

    h1 {
        font-size: calc(var(--font-size-5xl) * 0.9);
    }

    h2 {
        font-size: calc(var(--font-size-4xl) * 0.9);
    }

    .hero__wrapper {
        gap: var(--spacing-xl);
    }

    .hero__image::before {
        display: none;
    }

    .benefit-card {
        padding: var(--spacing-lg);
    }

    .instructor-card__image {
        height: 250px;
    }
}

@media (max-width: 992px) {
    :root {
        --section-spacing: 70px;
    }

    .nav {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

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

    .hero__cta {
        justify-content: center;
    }

    .hero__image {
        display: none;
    }

    .about__wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .module-panel__inner {
        grid-template-columns: 1fr;
    }

    .module-panel__image {
        height: 300px;
    }

    .instructors__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .pricing-card--featured {
        transform: none;
    }

    .pricing-card--featured:hover {
        transform: translateY(-10px);
    }

    .pricing__guarantee {
        flex-direction: column;
        text-align: center;
    }

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

    .footer__top,
    .footer__middle {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 60px;
    }

    h1 {
        font-size: calc(var(--font-size-4xl));
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    h3 {
        font-size: var(--font-size-2xl);
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .hero__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

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

    .newsletter-form {
        flex-direction: column;
    }

    .module-tabs {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    :root {
        --section-spacing: 50px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .module-panel__content {
        padding: var(--spacing-md);
    }

    .pricing__toggle {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero__cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .meta-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .module-panel__meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}