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

:root {
    --color-primary: #4A90E2;
    --color-secondary: #7ED321;
    --color-accent-blue: #E8F4FD;
    --color-accent-green: #F0F9E8;
    --color-text: #2C3E50;
    --color-text-light: #7F8C8D;
    --color-white: #FFFFFF;
    --color-border: #E8ECEF;
    --border-radius: 16px;
    --border-radius-small: 8px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

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

.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    transition: var(--transition);
    font-family: inherit;
}

.lang-toggle:hover {
    border-color: var(--color-primary);
    background: var(--color-accent-blue);
}

.lang-option {
    color: var(--color-text-light);
    transition: var(--transition);
}

.lang-option.active {
    color: var(--color-primary);
    font-weight: 500;
}

.lang-separator {
    color: var(--color-text-light);
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-accent-blue) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--color-text);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius-small);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #357ABD;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--color-accent-blue);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 0.8s ease;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--color-text);
    border-radius: 32px;
    padding: 12px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-white);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--color-white);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-text);
    letter-spacing: -1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}

.feature-description {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Privacy Section */
.privacy {
    padding: 100px 0;
    background: var(--color-accent-blue);
}

.privacy-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.privacy-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.privacy-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-text);
}

.privacy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.privacy-item {
    font-size: 18px;
    color: var(--color-text);
    padding: 16px;
    background: var(--color-white);
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-sm);
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--color-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-sm);
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

.step-description {
    font-size: 16px;
    color: var(--color-text-light);
}

/* Finance Insights Section */
.insights {
    padding: 100px 0 110px;
    background: linear-gradient(180deg, #F7F9FC 0%, #E6EBF2 100%);
}

.insights-header {
    max-width: 900px;
    margin: 0 auto 40px;
}

.insights-title-block {
    text-align: left;
}

.insights-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(74, 144, 226, 0.08);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.insights-subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    max-width: 640px;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.insight-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 28px 24px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #E2E7F0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.insight-card-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.insight-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(74, 144, 226, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.insight-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.insight-tag {
    font-size: 13px;
    color: var(--color-text-light);
}

.insight-metrics {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.metric-label {
    font-size: 14px;
    color: var(--color-text-light);
}

.metric-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.metric-secondary .metric-value {
    font-size: 14px;
    color: var(--color-text-light);
}

.progress-bar {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: #EEF1F7;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
}

.progress-good {
    background: linear-gradient(90deg, #4A90E2, #7ED321);
}

.progress-neutral {
    background: linear-gradient(90deg, #F5A623, #F8E71C);
}

.insight-ai-note {
    font-size: 13px;
    color: var(--color-text-light);
    background: #F7FAFF;
    border-radius: 12px;
    padding: 10px 12px;
    line-height: 1.7;
}

.assistant-chat {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-bubble {
    border-radius: 14px;
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.6;
}

.chat-bubble.user {
    background: #F0F4FF;
    align-self: flex-start;
}

.chat-bubble.ai {
    background: #E8F8F0;
    align-self: flex-end;
}

.crypto-breakdown {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.crypto-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    font-size: 14px;
}

.crypto-name {
    color: var(--color-text);
    font-weight: 500;
}

.crypto-value {
    color: var(--color-text-light);
    text-align: right;
}

.crypto-change {
    text-align: right;
    font-weight: 600;
}

.crypto-change.positive {
    color: #27AE60;
}

.crypto-change.negative {
    color: #E74C3C;
}

.crypto-change.neutral {
    color: var(--color-text-light);
}

.crypto-allocation-chart {
    height: 8px;
    border-radius: 999px;
    background: #EEF1F7;
    display: flex;
    overflow: hidden;
    margin-top: 4px;
}

.allocation-segment {
    height: 100%;
}

.allocation-segment.btc {
    background: #F5A623;
}

.allocation-segment.eth {
    background: #4A90E2;
}

.allocation-segment.other {
    background: #7ED321;
}

.insight-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text-light);
    padding-left: 0;
}

.insight-list li::before {
    content: '•';
    color: var(--color-primary);
    margin-right: 8px;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--color-accent-green);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.screenshot-card {
    opacity: 0;
    transform: translateY(20px);
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    background: var(--color-white);
}

.screenshot-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.screenshot-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    background: var(--color-white);
}

.screenshot-label {
    background: var(--color-white);
    color: var(--color-text);
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    padding: 16px;
    margin: 0;
    border-top: 1px solid var(--color-border);
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1.3;
    letter-spacing: -1px;
}

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

.cta .btn-primary:hover {
    background: var(--color-accent-blue);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: 40px;
    padding: 32px;
    background: var(--color-accent-blue);
    border-radius: var(--border-radius);
}

.contact-email {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.contact-email-link {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.contact-email-link:hover {
    color: #357ABD;
    text-decoration: underline;
}

.contact-form {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text);
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--color-white);
    color: var(--color-text);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    margin-top: 8px;
}

.hidden {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.form-success {
    background: var(--color-accent-green);
    border: 2px solid var(--color-secondary);
    border-radius: var(--border-radius-small);
    padding: 16px;
    margin-bottom: 24px;
    text-align: center;
}

.form-success p {
    color: var(--color-text);
    font-weight: 500;
    margin: 0;
}

/* Pricing Page */
.pricing-page {
    padding: 100px 0;
    background: var(--color-white);
}

.pricing-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-subtitle {
    font-size: 20px;
    color: var(--color-text-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto 48px;
}

.pricing-card {
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 48px 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
}

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

.pricing-card.featured {
    border-color: var(--color-secondary);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-accent-green) 50%, var(--color-white) 100%);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 8px 24px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.5px;
}

.pricing-card-header {
    margin-bottom: 32px;
}

.pricing-plan-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
}

.price-period {
    font-size: 18px;
    color: var(--color-text-light);
}

.pricing-savings {
    color: var(--color-secondary);
    font-weight: 600;
    margin-top: 12px;
    font-size: 15px;
    background: var(--color-accent-green);
    padding: 8px 16px;
    border-radius: var(--border-radius-small);
    display: inline-block;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    font-size: 16px;
}

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

.pricing-features li::before {
    content: '✓';
    color: var(--color-secondary);
    font-weight: bold;
    margin-right: 12px;
}

.pricing-footer-note {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 48px;
}

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

/* Contact Page */
.contact-page {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-page-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-page-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 60px 48px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
}

.contact-email-icon {
    font-size: 64px;
    margin-bottom: 32px;
}

.contact-email-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.contact-email-address {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
    word-break: break-all;
}

.contact-email-address:hover {
    color: #357ABD;
    text-decoration: underline;
}

.contact-copy-btn {
    background: var(--color-accent-green);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-small);
    padding: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.contact-copy-btn:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: scale(1.05);
}

.contact-copy-btn:active {
    transform: scale(0.95);
}

.contact-copy-btn svg {
    width: 20px;
    height: 20px;
}

.contact-note {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-footer-note {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

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

/* Thank You Page */
.thank-you-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-accent-blue) 100%);
    padding: 40px 24px;
}

.thank-you-content {
    max-width: 500px;
    text-align: center;
    background: var(--color-white);
    padding: 60px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.thank-you-icon {
    width: 80px;
    height: 80px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 48px;
    color: var(--color-white);
    font-weight: bold;
}

.thank-you-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.thank-you-message {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 60px 0 32px;
    background: var(--color-text);
    color: var(--color-white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer .logo {
    margin-bottom: 16px;
}

.footer .logo-image {
    height: 50px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

.footer-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 16px;
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-lang {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
}

.footer .lang-toggle {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.footer .lang-toggle:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.footer .lang-option {
    color: rgba(255, 255, 255, 0.7);
}

.footer .lang-option.active {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .nav-menu {
        display: none;
    }

    .page-title {
        font-size: 32px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .pricing-card {
        padding: 32px 24px;
    }

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

    .contact-card {
        padding: 40px 24px;
    }

    .contact-email-address {
        font-size: 22px;
    }

    .contact-email-wrapper {
        flex-direction: column;
        gap: 12px;
    }

    .cta-title {
        font-size: 32px;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .features,
    .privacy,
    .how-it-works,
    .screenshots {
        padding: 60px 0;
    }

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

    .contact {
        padding: 60px 0;
    }

    .contact-form {
        padding: 32px 24px;
    }

    .cta {
        padding: 80px 0;
    }

    .cta-title {
        font-size: 24px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }
}

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

/* Focus states for accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}