:root {
    --primary-color: #007AFF;
    --bg-light: #ffffff;
    --bg-dark: #000000;
    --card-bg-light: #f5f5f7;
    --card-bg-dark: #1c1c1e;
    --text-light: #1d1d1f;
    --text-dark: #f5f5f7;
    --secondary-text-light: #86868b;
    --secondary-text-dark: #8e8e93;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Myriad Set Pro", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    line-height: 1.5;
    background-color: var(--bg-light);
    color: var(--text-light);
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--bg-dark);
        color: var(--text-dark);
    }
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
    nav {
        background: rgba(0, 0, 0, 0.7);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
}

nav .container {
    height: 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.logo-title {
    font-size: 13px;
    font-weight: 700;
}

.logo-subtitle {
    font-size: 9px;
    font-weight: 600;
    opacity: 0.8;
    margin-top: 1px;
}


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

.lang-switcher {
    margin-left: 20px;
    position: relative;
    cursor: pointer;
    font-size: 12px;
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 100px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
    .lang-dropdown {
        background: rgba(28, 28, 30, 0.9);
        border-color: rgba(255,255,255,0.1);
    }
}

.lang-switcher:hover .lang-dropdown {
    display: block;
}

.lang-dropdown a {
    display: block;
    padding: 6px 16px;
    text-decoration: none;
    color: inherit;
    margin-left: 0;
}

.lang-dropdown a:hover {
    background: var(--primary-color);
    color: white;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding-top: 150px;
    padding-bottom: 100px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 10px;
}

.hero p {
    font-size: 24px;
    color: var(--secondary-text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

@media (prefers-color-scheme: dark) {
    .hero p {
        color: var(--secondary-text-dark);
    }
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.2s;
}

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

/* Content Sections */
.section {
    padding: 80px 0;
}

.legal-content {
    max-width: 700px;
    margin: 100px auto;
    padding: 0 22px;
}

.legal-content h1 {
    margin-bottom: 40px;
}

.legal-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 20px;
}

.legal-content p {
    margin-bottom: 15px;
    color: var(--secondary-text-light);
}

@media (prefers-color-scheme: dark) {
    .legal-content p {
        color: var(--secondary-text-dark);
    }
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid rgba(0,0,0,0.1);
    font-size: 12px;
    color: var(--secondary-text-light);
}

@media (prefers-color-scheme: dark) {
    footer {
        border-top: 1px solid rgba(255,255,255,0.1);
        color: var(--secondary-text-dark);
    }
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: inherit;
    text-decoration: none;
    margin-right: 15px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.grid-container {
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 40px;
}

.footer-copyright {
    margin-top: 12px; 
    opacity: 0.6;
    line-height: 1.8;
}

.footer-copyright.subtle {
    font-size: 10px;
    opacity: 0.4;
}

.gov-icon {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    margin-right: 4px;
    margin-bottom: 2px;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 40px; }
    .hero p { font-size: 18px; }
}

/* Card & FAQ styles with theme support */
.step-card, .faq-item {
    background-color: #f5f5f7;
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 18px;
    border-radius: 8px;
    margin-bottom: 15px;
    transition: background-color 0.2s, border-color 0.2s;
}

.step-card h3, .faq-item h3 {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 16px;
}

.step-card p, .faq-item p {
    margin-bottom: 0;
    color: var(--secondary-text-light);
    font-size: 14px;
    line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
    .step-card, .faq-item {
        background-color: #1c1c1e;
        border-color: rgba(255, 255, 255, 0.05);
    }
    .step-card h3, .faq-item h3 {
        color: var(--text-dark);
    }
    .step-card p, .faq-item p {
        color: var(--secondary-text-dark);
    }
}

/* Quick Link Banner Card */
.banner-card {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05) 0%, rgba(0, 122, 255, 0.02) 100%);
    border: 1px solid rgba(0, 122, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.banner-card h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 17px;
    color: var(--text-light);
}

.banner-card p {
    margin-bottom: 0;
    font-size: 14px;
    color: var(--secondary-text-light);
    line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
    .banner-card {
        background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(0, 122, 255, 0.03) 100%);
        border-color: rgba(0, 122, 255, 0.2);
    }
    .banner-card h3 {
        color: var(--text-dark);
    }
    .banner-card p {
        color: var(--secondary-text-dark);
    }
}

@media (max-width: 600px) {
    .banner-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .banner-card a.cta-button {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }
}

/* Notice Box & Callouts */
.notice-box {
    background-color: rgba(255, 149, 0, 0.08);
    border-left: 4px solid #ff9500;
    padding: 16px 20px;
    border-radius: 8px;
    margin: 20px 0 28px;
    font-size: 14px;
    line-height: 1.65;
}

@media (prefers-color-scheme: dark) {
    .notice-box {
        background-color: rgba(255, 149, 0, 0.12);
    }
}

.step-number {
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: 50%;
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    font-size: 13px;
    margin-right: 8px;
    vertical-align: middle;
    font-weight: 600;
}

.action-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-color);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: 980px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none !important;
    margin: 10px 0 16px;
    transition: opacity 0.2s, transform 0.1s;
}

.action-link-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.safe-tag {
    display: inline-block;
    background-color: rgba(52, 199, 89, 0.12);
    color: #28a745;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

@media (prefers-color-scheme: dark) {
    .safe-tag {
        background-color: rgba(52, 199, 89, 0.2);
        color: #34c759;
    }
}

/* App Store Screenshots Showcase */
.screenshots-section {
    padding: 60px 0 80px;
    overflow: hidden;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 122, 255, 0.03) 50%, transparent 100%);
}

.screenshots-header {
    text-align: center;
    margin-bottom: 36px;
}

.screenshots-header h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.screenshots-header p {
    font-size: 16px;
    color: var(--secondary-text-light);
}

@media (prefers-color-scheme: dark) {
    .screenshots-header p {
        color: var(--secondary-text-dark);
    }
}

.screenshots-tabs {
    display: inline-flex;
    background: rgba(120, 120, 128, 0.12);
    border-radius: 980px;
    padding: 4px;
    margin-top: 16px;
}

.screenshots-tab-btn {
    border: none;
    background: transparent;
    padding: 6px 18px;
    font-size: 13.5px;
    font-weight: 600;
    color: inherit;
    border-radius: 980px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.screenshots-tab-btn.active {
    background: #fff;
    color: #000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: dark) {
    .screenshots-tab-btn.active {
        background: #2c2c2e;
        color: #fff;
    }
}

.screenshots-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.screenshots-scroll {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 20px 10px 40px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.screenshots-scroll::-webkit-scrollbar {
    display: none;
}

.screenshot-card {
    flex: 0 0 auto;
    scroll-snap-align: center;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #000;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    .screenshot-card {
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }
}

.screenshot-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
}

.screenshot-card.iphone {
    width: 250px;
}

.screenshot-card.ipad {
    width: 360px;
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}