:root {
    --color-bg-primary: #FFFEFB;
    --color-bg-secondary: #EEFDF5;
    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #6B7280;
    --color-accent: #34D399;
    --color-accent-hover: #10B981;
    --color-accent-light: rgba(52, 211, 153, 0.1);
    --color-supporting: #F472B6;
    --color-supporting-light: rgba(244, 114, 182, 0.1);
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    --color-white: #FFFFFF;
    --color-error: #EF4444;
    --color-success: #10B981;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    --container-max: 1200px;
    --container-narrow: 800px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

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

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

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

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

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

ul, ol {
    list-style: none;
}

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

.container--narrow {
    max-width: var(--container-narrow);
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 254, 251, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--color-accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.main-nav a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-accent);
}

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

main {
    padding-top: 72px;
}

.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: #0d4f3c;
    background-image:
        linear-gradient(135deg, rgba(13, 79, 60, 0.88) 0%, rgba(16, 185, 129, 0.62) 42%, rgba(6, 95, 70, 0.88) 100%),
        url('../images/bg-image-1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 90% 70% at 75% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 55%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.18);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.hero h1 {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #d1fae5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.92);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

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

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

.btn--secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn--outline:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.section {
    padding: var(--spacing-5xl) 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
}

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

.feature-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-light);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-supporting-light) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image figure {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-text h2 {
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    font-size: var(--font-size-lg);
}

.about-list {
    margin-top: var(--spacing-xl);
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.about-list i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    margin-top: 2px;
}

.vitamins-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.vitamin-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.vitamin-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.vitamin-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
}

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

.vitamin-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.benefits-section {
    position: relative;
    overflow: hidden;
}

.benefits-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at center, var(--color-supporting-light) 0%, transparent 60%);
    transform: translateX(-50%);
    pointer-events: none;
}

.benefits-content {
    position: relative;
    z-index: 1;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-light);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    font-size: var(--font-size-xl);
}

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

.benefit-item p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.cta-section {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.cta-section .btn--primary {
    background-color: var(--color-white);
    color: var(--color-accent);
}

.cta-section .btn--primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

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

.testimonial-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-supporting-light) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}

.author-info strong {
    display: block;
    font-weight: var(--font-weight-semibold);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.faq-section {
    background-color: var(--color-bg-secondary);
}

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

.faq-item {
    margin-bottom: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--color-bg-secondary);
}

.faq-question i {
    transition: transform var(--transition-normal);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-secondary);
}

.disclaimer-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.site-footer {
    background-color: var(--color-text-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

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

.footer-contact a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.footer-legal a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

.page-hero {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    padding: var(--spacing-4xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.content-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.content-card:hover {
    box-shadow: var(--shadow-lg);
}

.content-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.content-card i {
    color: var(--color-accent);
}

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

.info-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-accent-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    color: var(--color-accent);
}

.info-card h3 {
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.source-list {
    display: grid;
    gap: var(--spacing-lg);
}

.source-item {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.source-item:hover {
    box-shadow: var(--shadow-md);
}

.source-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-supporting-light) 100%);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-3xl);
    color: var(--color-accent);
}

.source-content h3 {
    margin-bottom: var(--spacing-sm);
}

.source-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.source-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.source-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-secondary);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.contact-section {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-4xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.contact-item i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-accent-light);
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.contact-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-item span,
.contact-item a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.contact-form {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: var(--color-success);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.error-message {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

.form-group.has-error .error-message {
    display: block;
}

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

.form-checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.form-checkbox label a {
    color: var(--color-accent);
    text-decoration: underline;
}

.thank-you-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.thank-you-content {
    max-width: 500px;
}

.thank-you-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    background-color: var(--color-accent-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-4xl);
    color: var(--color-accent);
}

.thank-you-content h1 {
    margin-bottom: var(--spacing-md);
}

.thank-you-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

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

.policy-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
}

.policy-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.policy-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.policy-content p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

.policy-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.policy-content li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.policy-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

.policy-meta {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.policy-meta p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.contact-info-policy {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.contact-info-policy p {
    margin-bottom: var(--spacing-sm);
}

.contact-info-policy p:last-child {
    margin-bottom: 0;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background-color: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-xl);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
}

.cookie-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.cookie-text h3 {
    margin-bottom: var(--spacing-sm);
}

.cookie-text p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.cookie-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.cookie-settings {
    display: none;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.cookie-settings.visible {
    display: block;
}

.cookie-category {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cookie-category:last-child {
    border-bottom: none;
}

.category-info h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.category-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-settings-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .contact-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-5xl: 2.25rem;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        background-color: var(--color-white);
        border-top: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-lg);
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-normal);
    }

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

    .main-nav a {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border-light);
    }

    .main-nav a:last-child {
        border-bottom: none;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-4xl) 0;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .features-grid,
    .vitamins-grid,
    .benefits-list,
    .testimonials-grid,
    .content-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

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

    .cookie-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .source-icon {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }

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

    .btn {
        width: 100%;
    }

    .cookie-actions .btn {
        flex: 1;
        min-width: 100px;
    }

    .logo {
        font-size: var(--font-size-lg);
    }
}