/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-red: #D70015;
    --dark-red: #b00012;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --bg-white: #ffffff;
    --bg-light: #f5f5f7;
    --border-color: #d2d2d7;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.7;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: block;
    object-fit: contain;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 17px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-red);
}

.download-btn {
    background-color: var(--primary-red);
    color: white !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.download-btn:hover {
    background-color: var(--dark-red);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
    margin-top: 0;
    overflow-x: hidden;
    box-sizing: border-box;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.hero-icon {
    margin-top: 80px;
    margin-bottom: 40px;
    animation: float 3s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 100%;
    overflow: visible;
}

.hero-icon img {
    width: 140px;
    height: 140px;
    border-radius: 26px;
    box-shadow: var(--shadow);
    display: block;
    object-fit: contain;
    margin: 0 auto;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.5;
}

.security-info-box {
    background-color: rgba(0, 122, 255, 0.1);
    color: white;
    border-radius: 12px;
    padding: 20px 24px;
    margin: 0 auto;
    max-width: 700px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border: 1px solid rgba(0, 122, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: left;
}

.security-info-icon {
    flex-shrink: 0;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.padlock-icon {
    width: 32px;
    height: 32px;
    display: block;
}

.security-info-text {
    font-size: 15px;
    line-height: 1.5;
    margin: 0;
    color: #1d1d1f;
    text-align: left;
}

.app-store-badge {
    margin-top: 0;
    margin-bottom: 40px;
}

.app-store-link {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.app-store-link:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.badge-img {
    height: 60px;
    width: auto;
}

/* Section Styles */
section {
    padding: 64px 20px;
}

.section-title {
    font-size: 56px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    line-height: 1.07143;
}

.section-subtitle {
    font-size: 21px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 80px;
    font-weight: 400;
    line-height: 1.381;
}

.download .section-subtitle {
    margin-bottom: 0;
}

/* Features Section */
.features {
    background-color: var(--bg-white);
}

.feature-showcase {
    margin-bottom: 0px;
    --scroll-progress: 0;
    opacity: var(--scroll-progress);
    transform: translateY(calc(40px * (1 - var(--scroll-progress))));
}

.feature-showcase:last-of-type {
    margin-bottom: 60px;
}

.feature-showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-showcase-content > * {
    min-width: 0;
}

.feature-showcase.feature-reverse .feature-showcase-content {
    direction: rtl;
}

.feature-showcase.feature-reverse .feature-showcase-text,
.feature-showcase.feature-reverse .feature-showcase-image {
    direction: ltr;
}

.feature-showcase-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.new-badge {
    display: inline-block;
    background-color: var(--primary-red);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    align-self: flex-start;
}

.feature-showcase-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    overflow: hidden;
    min-width: 0;
    width: 100%;
}

.feature-showcase-image img {
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
}

.feature-screenshot {
    width: auto;
    max-width: 400px;
    max-height: 600px;
    height: auto;
    display: block;
    object-fit: contain;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    box-sizing: border-box;
}

/* Safari Desktop only - using Safari-specific detection */
@supports (-webkit-touch-callout: none) {
    @media (min-width: 769px) {
        .feature-showcase-content {
            grid-template-columns: 1fr 1fr !important;
        }
        
        .feature-showcase-image {
            max-width: 50% !important;
            width: 50% !important;
            flex: 0 0 50% !important;
            min-width: 0 !important;
            box-sizing: border-box !important;
        }
        
        .feature-screenshot {
            max-width: 300px !important;
            max-height: 500px !important;
            width: 100% !important;
            height: auto !important;
            object-fit: contain !important;
            box-sizing: border-box !important;
        }
    }
}


/* Fix comparison grid in Safari */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .comparison-grid {
        display: block;
    }
    
    .comparison-header,
    .comparison-row {
        display: -webkit-grid;
        display: grid;
        -webkit-grid-template-columns: 2fr 1fr 1fr;
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .comparison-header > *,
    .comparison-row > * {
        min-width: 0;
        box-sizing: border-box;
    }
}

.feature-screenshot:hover {
    transform: scale(1.02);
}

.feature-placeholder {
    width: 100%;
    max-width: 350px;
    height: 600px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.feature-icon-large {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.feature-placeholder p {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
    margin-top: 32px;
}

.feature-card {
    background-color: var(--bg-white);
    border-radius: 18px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}

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

.feature-card.coming-soon {
    opacity: 0.85;
}

.feature-card.coming-soon .feature-title,
.feature-card:has(.available-badge) .feature-title {
    margin-top: 48px;
}

.available-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #1d7a3a;
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.coming-soon-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-red);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.8;
}

.feature-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.feature-description {
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.47059;
    font-weight: 400;
}

.feature-preview {
    height: 150px;
    background-color: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.chart-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    padding: 20px;
}

.chart-line {
    width: 100%;
    height: 60%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-red) 20%, 
        var(--primary-red) 30%, 
        transparent 40%,
        var(--primary-red) 50%,
        var(--primary-red) 60%,
        transparent 70%,
        var(--primary-red) 80%,
        transparent 100%);
    border-radius: 4px;
    opacity: 0.6;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.8;
    }
}

.ecg-waveform {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
}

.ecg-svg {
    width: 100%;
    height: 80px;
}

.pdf-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.pdf-icon {
    font-size: 48px;
    opacity: 0.8;
}

.pdf-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.watch-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.watch-icon {
    font-size: 48px;
    opacity: 0.8;
}

.watch-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.features-note {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 12px;
    margin-top: 40px;
}

.features-note p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Reviews Section */
.reviews {
    background-color: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.review-card {
    background-color: var(--bg-white);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.review-stars {
    color: #FFD700;
    font-size: 20px;
    letter-spacing: 2px;
    margin-bottom: 16px;
    line-height: 1;
}

.review-text {
    font-size: 17px;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.review-author {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.review-cta {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: white;
    border: none;
    align-items: center;
    text-align: center;
    justify-content: center;
}

.review-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(215, 0, 21, 0.3);
}

.review-cta-icon {
    font-size: 48px;
    margin-bottom: 16px;
    line-height: 1;
}

.review-cta-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
    letter-spacing: -0.01em;
}

.review-cta-text {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    margin-bottom: 24px;
    flex-grow: 0;
}

.review-cta-button {
    display: inline-block;
    background-color: white;
    color: var(--primary-red);
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
    margin-top: auto;
}

.review-cta-button:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* Historical Data Section */
.historical-section {
    margin-top: 48px;
    padding: 40px 32px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border-radius: 18px;
    color: white;
    text-align: center;
}

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

.historical-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.historical-description {
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 16px;
    opacity: 0.95;
}

.historical-note {
    font-size: 14px;
    opacity: 0.8;
    font-style: italic;
}

/* Premium Section */
.premium {
    background-color: var(--bg-light);
    padding-top: 32px !important;
    padding-bottom: 64px;
}

.premium .section-subtitle {
    margin-bottom: 32px;
}

.comparison-grid {
    max-width: 900px;
    margin: 0 auto 48px;
    background-color: var(--bg-white);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    width: 100%;
    box-sizing: border-box;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
    width: 100%;
    box-sizing: border-box;
}

.comparison-column {
    padding: 24px 20px;
    text-align: center;
    min-width: 0;
    box-sizing: border-box;
}

.comparison-column.comparison-pro {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: white;
}

.comparison-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.01em;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:hover {
    background-color: var(--bg-light);
}

.comparison-feature {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    box-sizing: border-box;
    flex-wrap: wrap;
}

.comparison-feature-name {
    font-size: 17px;
    color: var(--text-primary);
    font-weight: 400;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.comparison-coming-soon-badge {
    display: inline-block;
    background-color: var(--primary-red);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

.comparison-value {
    padding: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--border-color);
    min-width: 0;
    box-sizing: border-box;
}

.comparison-value.comparison-pro {
    background-color: rgba(215, 0, 21, 0.05);
}

.check-mark {
    color: var(--primary-red);
    font-size: 24px;
    font-weight: 600;
}

.comparison-pro .check-mark {
    color: var(--primary-red);
}

.dash {
    color: var(--text-secondary);
    font-size: 20px;
    opacity: 0.5;
}

.pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--bg-white);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary-red);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-red);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.price {
    font-size: 44px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.price span {
    font-size: 21px;
    font-weight: 400;
    color: var(--text-secondary);
}

.savings {
    text-align: center;
    color: var(--primary-red);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-top: 24px;
}

.pricing-features li {
    font-size: 17px;
    padding: 12px 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* Download Section */
.download {
    background-color: var(--bg-white);
    text-align: center;
    padding-bottom: 32px;
}

.app-store-badge-large {
    margin-top: 32px;
    margin-bottom: 0;
}

.app-store-badge-large .badge-img {
    height: 60px;
    width: auto;
}

/* Disclaimer Section */
.disclaimer {
    background-color: var(--bg-light);
    padding: 48px 20px;
    border-top: 1px solid var(--border-color);
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.disclaimer-text {
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: 12px;
    border-left: 4px solid var(--primary-red);
}

.disclaimer-subtext {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 16px;
}

/* Footer */
.footer {
    background-color: var(--bg-white);
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-red);
}

.footer-separator {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Terms & Conditions Page */
.terms-section {
    margin-top: 80px;
    padding: 80px 20px;
    background-color: var(--bg-white);
}

.terms-content {
    max-width: 900px;
    margin: 0 auto;
}

.terms-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.terms-text {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-primary);
}

.terms-text p {
    margin-bottom: 24px;
}

.terms-text h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.terms-text ul {
    margin: 24px 0;
    padding-left: 24px;
}

.terms-text li {
    margin-bottom: 12px;
}

.terms-text a {
    color: var(--primary-red);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.terms-text a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 15px;
    }
    
    .hero {
        min-height: 100vh;
        padding: 100px 20px 60px;
        overflow-x: hidden;
    }
    
    .hero-icon {
        margin-top: 40px;
        margin-bottom: 32px;
    }
    
    .hero-icon img {
        width: 120px;
        height: 120px;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 48px;
        margin-bottom: 12px;
    }
    
    .hero-subtitle {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 19px;
        margin-bottom: 40px;
    }
    
    .app-store-badge {
        margin-bottom: 32px;
    }
    
    section {
        padding: 48px 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 17px;
        margin-bottom: 40px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .review-card {
        padding: 24px;
    }
    
    .feature-showcase-content {
        grid-template-columns: 1fr;
        gap: 32px;
        display: flex;
        flex-direction: column;
    }
    
    .feature-showcase.feature-reverse .feature-showcase-content {
        direction: ltr;
        flex-direction: column;
    }
    
    .feature-showcase-text {
        order: 1;
    }
    
    .feature-showcase-image {
        order: 2;
    }
    
    .feature-screenshot {
        max-width: 100%;
        max-height: 60vh;
    }
    
    .feature-showcase {
        margin-bottom: 80px;
    }
    
    .feature-title {
        font-size: 36px;
    }
    
    .feature-description {
        font-size: 19px;
    }
    
    .comparison-grid {
        margin-bottom: 40px;
        border-radius: 12px;
    }
    
    .comparison-header {
        grid-template-columns: 1fr 1fr 1fr;
        font-size: 14px;
    }
    
    .comparison-column {
        padding: 16px 12px;
    }
    
    .comparison-title {
        font-size: 16px;
    }
    
    .comparison-row {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    .comparison-feature {
        padding: 16px 12px;
    }
    
    .comparison-feature-name {
        font-size: 15px;
    }
    
    .comparison-value {
        padding: 16px 12px;
    }
    
    .check-mark {
        font-size: 20px;
    }
    
    .pricing {
        grid-template-columns: 1fr;
    }
    
    .hero-icon img {
        width: 100px;
        height: 100px;
    }
    
    .historical-section {
        padding: 32px 20px;
        margin-top: 40px;
    }
    
    .historical-title {
        font-size: 24px;
    }
    
    .historical-description {
        font-size: 16px;
    }
    
    .security-info-box {
        padding: 18px 20px;
        gap: 14px;
    }
    
    .security-info-text {
        font-size: 14px;
    }
    
    .disclaimer-title {
        font-size: 24px;
    }
    
    .disclaimer-text {
        font-size: 15px;
        padding: 16px;
    }
    
    .terms-title {
        font-size: 36px;
    }
    
    .terms-text {
        font-size: 16px;
    }
    
    .terms-text h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 12px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .hero {
        min-height: 100vh;
        padding: 120px 20px 40px;
        overflow-x: hidden;
    }
    
    .hero-icon {
        margin-top: 40px;
        margin-bottom: 28px;
    }
    
    .hero-icon img {
        width: 100px;
        height: 100px;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 40px;
        margin-bottom: 10px;
    }
    
    .hero-subtitle {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .hero-description {
        font-size: 17px;
        margin-bottom: 32px;
    }
    
    .app-store-badge {
        margin-bottom: 28px;
    }
    
    section {
        padding: 40px 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
}