/* 
 * Belmendra - Body Scan Meditation
 * CSS Styles
 */

/* ----------------- */
/* CSS Variables    */
/* ----------------- */
:root {
    /* Colors */
    --color-bg: #EEF2F3;
    --color-accent: #A2D2FF;
    --color-accent-light: #BDE0FE;
    --color-text: #023047;
    --color-text-light: #456783;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-success: #28a745;
    --color-error: #dc3545;
    
    /* Typography */
    --font-primary: 'DM Serif Display', serif;
    --font-secondary: 'Manrope', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-md: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.5rem;     /* 24px */
    --font-size-2xl: 1.875rem;  /* 30px */
    --font-size-3xl: 2.25rem;   /* 36px */
    --font-size-4xl: 3rem;      /* 48px */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-loose: 1.8;
    
    /* Spacing */
    --spacing-1: 0.25rem;  /* 4px */
    --spacing-2: 0.5rem;   /* 8px */
    --spacing-3: 0.75rem;  /* 12px */
    --spacing-4: 1rem;     /* 16px */
    --spacing-5: 1.5rem;   /* 24px */
    --spacing-6: 2rem;     /* 32px */
    --spacing-7: 2.5rem;   /* 40px */
    --spacing-8: 3rem;     /* 48px */
    --spacing-10: 4rem;    /* 64px */
    --spacing-12: 5rem;    /* 80px */
    --spacing-16: 8rem;    /* 128px */
    
    /* Borders */
    --border-radius-sm: 0.25rem;  /* 4px */
    --border-radius-md: 0.5rem;   /* 8px */
    --border-radius-lg: 1rem;     /* 16px */
    --border-radius-xl: 1.5rem;   /* 24px */
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-soft: 0 8px 20px rgba(0, 0, 0, 0.03), 0 4px 10px rgba(0, 0, 0, 0.02);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-indexes */
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
    
    /* Device breakpoints */
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    
    /* Container widths */
    --container-max-width-sm: 540px;
    --container-max-width-md: 720px;
    --container-max-width-lg: 960px;
    --container-max-width-xl: 1140px;
    --container-max-width-xxl: 1320px;
}

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

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-4);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

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

p {
    margin-bottom: var(--spacing-4);
}

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

a:hover {
    color: var(--color-text);
}

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-4);
}

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

/* ----------------- */
/* Accessibility    */
/* ----------------- */
.skip-link {
    background-color: var(--color-accent);
    color: var(--color-white);
    left: 0;
    padding: var(--spacing-2) var(--spacing-4);
    position: absolute;
    top: -100px;
    transition: top var(--transition-fast);
    z-index: var(--z-index-sticky);
}

.skip-link:focus {
    top: 0;
}

.sr-only {
    border: 0;
    clip: rect(0, 0, 0, 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

/* ----------------- */
/* Layout           */
/* ----------------- */
.container {
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
    width: 100%;
}

@media (min-width: 576px) {
    .container {
        max-width: var(--container-max-width-sm);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-max-width-md);
    }
}

@media (min-width: 992px) {
    .container {
        max-width: var(--container-max-width-lg);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: var(--container-max-width-xl);
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: var(--container-max-width-xxl);
    }
}

.section {
    padding: var(--spacing-10) 0;
}

.section--alt {
    background-color: var(--color-white);
}

.section--cta {
    background-color: var(--color-accent);
    color: var(--color-white);
    text-align: center;
}

.section__title {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.section__image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .section .container {
        align-items: center;
        display: flex;
        flex-direction: row;
        gap: var(--spacing-8);
    }
    
    .section__content,
    .section__image {
        flex: 1;
    }
    
    .section:nth-child(even) .container {
        flex-direction: row-reverse;
    }
}

/* ----------------- */
/* Components       */
/* ----------------- */

/* Buttons */
.btn {
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: inline-block;
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    font-weight: 600;
    padding: var(--spacing-3) var(--spacing-5);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn--primary {
    background-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: var(--color-text);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: var(--color-white);
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    color: var(--color-text);
}

.btn--secondary:hover {
    background-color: var(--color-accent-light);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    transform: translateY(-2px);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    justify-content: center;
    margin-top: var(--spacing-6);
}

/* Back to top button */
.back-to-top {
    align-items: center;
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--border-radius-full);
    bottom: var(--spacing-5);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    height: 3rem;
    justify-content: center;
    opacity: 0;
    position: fixed;
    right: var(--spacing-5);
    transition: all var(--transition-normal);
    visibility: hidden;
    width: 3rem;
    z-index: var(--z-index-fixed);
}

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

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

/* Header */
.site-header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-4) 0;
    position: sticky;
    top: 0;
    transition: transform var(--transition-normal);
    width: 100%;
    z-index: var(--z-index-sticky);
}

.site-header.hidden {
    transform: translateY(-100%);
}

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

.logo {
    display: block;
    max-width: 180px;
}

.logo img {
    height: auto;
    width: 100%;
}

/* Navigation */
.main-nav {
    position: relative;
}

.menu-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    display: block;
    height: 40px;
    position: relative;
    width: 40px;
    z-index: var(--z-index-dropdown);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    background-color: var(--color-text);
    border-radius: 2px;
    content: '';
    display: block;
    height: 3px;
    position: absolute;
    transition: all var(--transition-fast);
    width: 24px;
}

.hamburger {
    left: 8px;
    top: 19px;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

#main-menu {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    display: none;
    left: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    position: absolute;
    right: 0;
    top: 100%;
    z-index: var(--z-index-dropdown);
}

#main-menu.active {
    display: block;
}

#main-menu li {
    margin: 0;
    padding: 0;
}

#main-menu a {
    color: var(--color-text);
    display: block;
    font-weight: 500;
    padding: var(--spacing-3) var(--spacing-4);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

#main-menu a:hover,
#main-menu a:focus {
    background-color: var(--color-accent-light);
    color: var(--color-text);
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    
    #main-menu {
        background-color: transparent;
        box-shadow: none;
        display: flex;
        position: static;
    }
    
    #main-menu a {
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    #main-menu a:hover,
    #main-menu a:focus {
        background-color: transparent;
        color: var(--color-accent);
    }
}

/* Hero Section */
.hero {
    background-color: var(--color-white);
    padding: var(--spacing-10) 0;
    position: relative;
}

.hero::after {
    background-image: linear-gradient(135deg, var(--color-accent-light) 0%, transparent 100%);
    bottom: 0;
    content: '';
    left: 0;
    opacity: 0.3;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}

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

.hero__content {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.hero h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.hero__tagline {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-5);
}

@media (min-width: 768px) {
    .hero .container {
        align-items: center;
        display: flex;
        gap: var(--spacing-6);
    }
    
    .hero__content {
        flex: 1;
        margin-bottom: 0;
        text-align: left;
    }
    
    .hero__image {
        flex: 1;
    }
    
    .hero h1 {
        font-size: var(--font-size-4xl);
    }
}

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

/* Benefits Grid */
.benefits-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-6);
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.benefit-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-5);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.benefit-card i {
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-3);
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

/* Steps */
.steps {
    margin-top: var(--spacing-6);
}

.step {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-5);
}

.step:last-child {
    margin-bottom: 0;
}

.step__number {
    align-items: center;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    display: flex;
    flex-shrink: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    height: 2.5rem;
    justify-content: center;
    width: 2.5rem;
}

.step__content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

/* Audio Players */
.audio-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-6);
}

@media (min-width: 768px) {
    .audio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.audio-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-5);
}

.audio-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.audio-player {
    align-items: center;
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.play-button {
    align-items: center;
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    flex-shrink: 0;
    height: 3rem;
    justify-content: center;
    position: relative;
    transition: background-color var(--transition-fast);
    width: 3rem;
}

.play-button:hover {
    background-color: var(--color-text);
}

.play-button i {
    font-size: var(--font-size-md);
}

.play-button .duration {
    background-color: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    color: var(--color-text);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-1) var(--spacing-2);
    position: absolute;
    right: -20px;
    top: -10px;
}

.progress-bar {
    background-color: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    flex: 1;
    height: 6px;
    overflow: hidden;
}

.progress {
    background-color: var(--color-accent);
    height: 100%;
    transition: width var(--transition-normal);
    width: 0;
}

/* Testimonials */
.testimonial-slider {
    margin-top: var(--spacing-6);
    position: relative;
}

.testimonial {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    margin: 0 auto;
    max-width: 800px;
    padding: var(--spacing-6);
}

.testimonial__content {
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: var(--spacing-5);
    position: relative;
}

.testimonial__content::before {
    color: var(--color-accent);
    content: '"';
    font-family: var(--font-primary);
    font-size: 4rem;
    left: -1.5rem;
    line-height: 0;
    opacity: 0.3;
    position: absolute;
    top: 0.5rem;
}

.testimonial__author {
    align-items: center;
    display: flex;
    gap: var(--spacing-3);
}

.testimonial__avatar {
    border-radius: var(--border-radius-full);
    height: 60px;
    object-fit: cover;
    width: 60px;
}

.testimonial__info h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-1);
}

.testimonial__info p {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.slider-controls {
    align-items: center;
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-5);
}

.slider-prev,
.slider-next {
    align-items: center;
    background-color: transparent;
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius-full);
    color: var(--color-accent);
    cursor: pointer;
    display: flex;
    height: 2.5rem;
    justify-content: center;
    transition: all var(--transition-fast);
    width: 2.5rem;
}

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

.slider-dots {
    display: flex;
    gap: var(--spacing-2);
    margin: 0 var(--spacing-4);
}

.slider-dot {
    background-color: var(--color-gray-400);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    height: 10px;
    transition: background-color var(--transition-fast);
    width: 10px;
}

.slider-dot.active {
    background-color: var(--color-accent);
}

/* Research Items */
.research-highlights {
    margin-top: var(--spacing-5);
}

.research-item {
    border-left: 3px solid var(--color-accent);
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-4);
}

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

.research-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

/* Contact Form */
.contact-form {
    margin-bottom: var(--spacing-6);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-2);
}

input[type="text"],
input[type="email"],
textarea {
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    padding: var(--spacing-3);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(162, 210, 255, 0.25);
    outline: none;
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

.contact-info {
    margin-top: var(--spacing-6);
}

.contact-item {
    align-items: center;
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

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

.contact-item i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

.contact-item p {
    margin-bottom: 0;
}

/* Footer */
.site-footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer__top {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-5);
    padding-bottom: var(--spacing-5);
    text-align: center;
}

.footer__logo {
    display: inline-block;
    margin-bottom: var(--spacing-4);
    max-width: 150px;
}

.footer__tagline {
    color: var(--color-gray-400);
    font-style: italic;
    margin-bottom: var(--spacing-5);
}

.footer__nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__nav li {
    margin: 0 var(--spacing-3);
}

.footer__nav a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__nav a:hover {
    color: var(--color-accent-light);
}

.footer__bottom {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* ----------------- */
/* Page Specific    */
/* ----------------- */

/* Content Pages */
.page-content {
    padding: var(--spacing-10) 0;
}

.page-content h1 {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.content-section {
    margin-bottom: var(--spacing-8);
}

.content-section:last-child {
    margin-bottom: 0;
}

.policy-date {
    color: var(--color-gray-600);
    font-style: italic;
    margin-bottom: var(--spacing-5);
    text-align: center;
}

.contact-list {
    list-style: none;
    margin: var(--spacing-4) 0;
    padding: 0;
}

.contact-list li {
    align-items: center;
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

.contact-list li i {
    color: var(--color-accent);
    width: 20px;
}

/* Success Page */
.success-message {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-8);
    text-align: center;
}

.success-icon,
.error-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-4);
}

.success-icon {
    color: var(--color-success);
}

.error-icon {
    color: var(--color-error);
}

.action-buttons {
    margin-top: var(--spacing-6);
}

.additional-info h2 {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.info-cards {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .info-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.info-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-5);
    text-align: center;
}

.info-card__icon {
    align-items: center;
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-full);
    color: var(--color-text);
    display: flex;
    font-size: var(--font-size-xl);
    height: 4rem;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    width: 4rem;
}

.info-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.info-card p {
    margin-bottom: 0;
}

/* ----------------- */
/* Utilities        */
/* ----------------- */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-1);
}

.mb-2 {
    margin-bottom: var(--spacing-2);
}

.mb-3 {
    margin-bottom: var(--spacing-3);
}

.mb-4 {
    margin-bottom: var(--spacing-4);
}

.mb-5 {
    margin-bottom: var(--spacing-5);
}

.mb-6 {
    margin-bottom: var(--spacing-6);
}

/* ----------------- */
/* Accessibility    */
/* ----------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.btn:focus {
    outline-offset: 4px;
}

/* ----------------- */
/* Dark Mode        */
/* ----------------- */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #121212;
        --color-accent: #7FBFFF;
        --color-accent-light: #9ECEFF;
        --color-text: #E5E5E5;
        --color-text-light: #ABABAB;
        --color-white: #1E1E1E;
        --color-gray-100: #282828;
        --color-gray-200: #333333;
        --color-gray-300: #404040;
        --color-gray-400: #616161;
        --color-gray-500: #757575;
        --color-gray-600: #9E9E9E;
        --color-gray-700: #C8C8C8;
        --color-gray-800: #E0E0E0;
        --color-gray-900: #F5F5F5;
        --color-success: #4CAF50;
        --color-error: #F44336;
    }
    
    body {
        color-scheme: dark;
    }
    
    .site-header,
    .hero,
    .section--alt,
    .benefit-card,
    .audio-card,
    .testimonial,
    .success-message,
    .info-card {
        background-color: #1E1E1E;
    }
    
    .audio-card,
    .benefit-card,
    .testimonial,
    .success-message,
    .info-card {
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }
    
    a {
        color: var(--color-accent);
    }
    
    a:hover {
        color: var(--color-accent-light);
    }
    
    input[type="text"],
    input[type="email"],
    textarea {
        background-color: var(--color-gray-100);
        border-color: var(--color-gray-300);
        color: var(--color-text);
    }
    
    .hero::after {
        opacity: 0.1;
    }
    
    .testimonial__content::before {
        opacity: 0.2;
    }
}