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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 8px 24px 80px;
}

/* Header */
header {
    text-align: center;
    padding: 60px 24px 0;
    background: linear-gradient(180deg, #f5f5f7 0%, #fff 100%);
}

.app-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(145deg, #34d058 0%, #28a745 100%);
    border-radius: 22px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(40, 167, 69, 0.25);
}

.app-icon svg {
    width: 48px;
    height: 48px;
    stroke: #fff;
}

.app-icon-img {
    width: 200px;
    height: 200px;
    border-radius: 44px;
    margin: 0 auto 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    display: block;
}

header h1 {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

header .tagline {
    font-size: 17px;
    color: #86868b;
}

/* Page Title (for inner pages) */
.page-title {
    text-align: center;
    padding: 60px 24px 40px;
    background: linear-gradient(180deg, #f5f5f7 0%, #fff 100%);
}

.page-title h1 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.page-title .subtitle {
    font-size: 17px;
    color: #86868b;
}

/* Typography */
h2 {
    font-size: 21px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    color: #1d1d1f;
}

h2:first-child {
    margin-top: 0;
}

h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

p {
    color: #424245;
    margin-bottom: 16px;
}

a {
    color: #06c;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

li {
    color: #424245;
    margin-bottom: 8px;
}

/* Feature Cards */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.feature {
    background: #f5f5f7;
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
    stroke: #1d1d1f;
}

.feature h3 {
    margin-bottom: 6px;
}

.feature p {
    font-size: 14px;
    margin-bottom: 0;
    color: #6e6e73;
}

/* Privacy Grid */
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0 32px;
}

.privacy-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: #f5f5f7;
    border-radius: 12px;
}

.privacy-item svg {
    width: 18px;
    height: 18px;
    stroke: #34c759;
    flex-shrink: 0;
}

.privacy-item span {
    font-size: 14px;
    font-weight: 500;
    color: #1d1d1f;
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid #e5e5e5;
    padding: 18px 0;
}

.faq-item:first-child {
    border-top: 1px solid #e5e5e5;
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1d1d1f;
}

.faq-question::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: #86868b;
    transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

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

.faq-item.open .faq-answer {
    max-height: 200px;
    padding-top: 12px;
}

.faq-answer p {
    font-size: 15px;
    margin-bottom: 0;
    color: #6e6e73;
}

/* Contact Box */
.contact-box {
    background: #f5f5f7;
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    margin: 24px 0;
}

.contact-box p {
    margin-bottom: 8px;
    color: #6e6e73;
}

.contact-box a {
    font-size: 18px;
    font-weight: 500;
}

.contact-box .note {
    font-size: 13px;
    color: #86868b;
    margin-top: 8px;
    margin-bottom: 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 32px 24px;
    border-top: 1px solid #e5e5e5;
    margin-top: 40px;
}

footer nav {
    margin-bottom: 16px;
}

footer nav a {
    color: #6e6e73;
    font-size: 14px;
    margin: 0 16px;
    text-decoration: none;
}

footer nav a:hover {
    color: #1d1d1f;
    text-decoration: none;
}

footer p {
    font-size: 13px;
    color: #86868b;
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 600px) {
    header, .page-title {
        padding: 48px 20px 32px;
    }

    header h1, .page-title h1 {
        font-size: 28px;
    }

    .app-icon {
        width: 80px;
        height: 80px;
        border-radius: 18px;
    }

    .app-icon svg {
        width: 38px;
        height: 38px;
    }

    .container {
        padding: 40px 20px 60px;
    }

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

    footer nav a {
        margin: 0 12px;
    }
}