@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #333333;
    --color-accent: #00d4aa;
    --color-accent-dark: #00b894;
    --color-bg: #fafafa;
    --color-bg-alt: #f5f5f5;
    --color-text: #2d2d2d;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-white: #ffffff;
    --color-border: #e0e0e0;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -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: var(--transition);
}

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

.container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 32px;
    }
}

.editorial-content {
    max-width: 680px;
    margin: 0 auto;
}

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
}

.hero-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    max-width: 480px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

.hero-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.hero-price span {
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    text-decoration: line-through;
    margin-left: 12px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--color-accent);
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 16px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-primary);
}

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

.cta-button-outline:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    position: relative;
    z-index: 1;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

main {
    padding: 60px 0;
}

.article-section {
    margin-bottom: 64px;
}

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

.lead-paragraph {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 400;
    margin-bottom: 32px;
}

.article-text {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.highlight-box {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    padding: 24px 28px;
    margin: 32px 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text);
    font-style: italic;
}

.image-block {
    margin: 48px 0;
    position: relative;
}

.image-block img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.image-caption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 16px;
    font-style: italic;
}

h2 {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 48px 0 24px;
    line-height: 1.3;
}

h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 32px 0 16px;
    line-height: 1.4;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px 0;
}

@media (min-width: 640px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    background: var(--color-white);
    padding: 28px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-alt);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--color-accent);
    font-size: 1.5rem;
}

.feature-card h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.cta-block {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 48px 32px;
    border-radius: 16px;
    text-align: center;
    margin: 48px 0;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
}

.cta-block h3 {
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-block p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-block .price-tag {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.specs-table tr {
    border-bottom: 1px solid var(--color-border);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table th,
.specs-table td {
    padding: 16px 24px;
    text-align: left;
}

.specs-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-primary);
    width: 40%;
}

.specs-table td {
    color: var(--color-text-light);
}

.reviews-section {
    background: var(--color-white);
    padding: 48px 32px;
    border-radius: 16px;
    margin: 48px 0;
    box-shadow: var(--shadow-sm);
}

.reviews-header {
    text-align: center;
    margin-bottom: 32px;
}

.reviews-header h2 {
    margin-bottom: 12px;
}

.rating-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.rating-stars {
    color: #ffc107;
    font-size: 1.25rem;
}

.rating-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.rating-count {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.review-card {
    background: var(--color-bg);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.review-card:last-child {
    margin-bottom: 0;
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1rem;
}

.review-name {
    font-weight: 600;
    color: var(--color-primary);
}

.review-date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.review-card .rating-stars {
    font-size: 0.875rem;
}

.review-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

.faq-section {
    margin: 48px 0;
}

.faq-item {
    background: var(--color-white);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

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

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

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

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.guarantee-box {
    background: linear-gradient(135deg, #f8fff9 0%, #e8f5e9 100%);
    border: 2px solid var(--color-accent);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    margin: 48px 0;
}

.guarantee-box i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.guarantee-box h3 {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.guarantee-box p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-primary);
}

.comparison-table tr.featured {
    background: rgba(0, 212, 170, 0.08);
}

.comparison-table .check {
    color: var(--color-accent);
    font-weight: 700;
}

.comparison-table .cross {
    color: #e74c3c;
}

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 16px 24px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-cta-info {
    display: flex;
    flex-direction: column;
}

.sticky-cta-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.sticky-cta-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.sticky-cta .cta-button {
    padding: 12px 24px;
    font-size: 0.9375rem;
}

@media (max-width: 640px) {
    .sticky-cta {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    
    .sticky-cta .cta-button {
        width: 100%;
    }
    
    main {
        padding-bottom: 140px;
    }
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-text-light);
}

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

.breadcrumb .current {
    color: var(--color-text-muted);
}

.prose-list {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.prose-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-size: 1.0625rem;
    color: var(--color-text-light);
}

.prose-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.quote-block {
    background: var(--color-white);
    border-radius: 16px;
    padding: 32px;
    margin: 48px 0;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.quote-block::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--color-accent);
    opacity: 0.3;
    position: absolute;
    top: -10px;
    left: 20px;
    line-height: 1;
}

.quote-block blockquote {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0 0 20px 0;
    position: relative;
    z-index: 1;
}

.quote-block cite {
    font-style: normal;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.quote-block cite strong {
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 64px 0 32px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-nav {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-legal {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 32px;
    margin-top: 32px;
}

.legal-info {
    font-size: 0.8125rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
}

.legal-info p {
    margin-bottom: 8px;
}

.disclaimer {
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: 20px;
    margin-top: 24px;
}

.disclaimer p {
    font-size: 0.75rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
}

.legal-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.legal-links a {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.6);
}

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

.legal-page {
    padding: 48px 0;
}

.legal-page h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--color-primary);
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-top: 40px;
}

.legal-page h3 {
    font-size: 1.125rem;
    margin-top: 24px;
}

.legal-page p,
.legal-page li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.legal-page ul {
    padding-left: 24px;
    margin-bottom: 24px;
}

.legal-page .last-updated {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 32px;
}

.contact-page {
    padding: 48px 0;
}

.contact-page h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

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

.contact-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.contact-card i {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.contact-form {
    background: var(--color-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    margin-top: 48px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
}

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

.about-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 80px 0 60px;
    text-align: center;
}

.about-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    padding: 64px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin: 48px 0;
}

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

.value-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.value-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.value-card h3 {
    margin-bottom: 12px;
}

.value-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.guide-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    margin-bottom: 24px;
}

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

.guide-card i {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.guide-card h3 {
    margin-bottom: 12px;
}

.guide-card p {
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.guide-link {
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.guide-link:hover {
    gap: 12px;
}

.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
    box-shadow: var(--shadow-md);
}

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

.scroll-to-top:hover {
    transform: translateY(-4px);
    background: var(--color-accent-dark);
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    main {
        padding: 40px 0;
    }
    
    .reviews-section {
        padding: 32px 20px;
    }
    
    .cta-block {
        padding: 32px 20px;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .scroll-to-top {
        bottom: 140px;
    }
}