:root {
    --primary: #2563eb;
    --primary-hover: #3b82f6;
    --bg: #f5f5f7;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --card-bg: #ffffff;
    --card-bg-alt: #f0f0f3;
    --border: transparent;
    --nav-bg: rgba(255,255,255,0.85);
    --btn-bg: #1d1d1f;
    --btn-text: #ffffff;
    --phone-bg: #e8e8ed;
    --phone-frame: #1d1d1f;
    --phone-notch: #1d1d1f;
    --icon-bg: #e8e8ed;
    --icon-color: #6e6e73;
    --badge-bg: #f0f0f3;
    --shadow: rgba(0,0,0,0.04);
    --shadow-hover: rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #3b82f6;
        --primary-hover: #60a5fa;
        --bg: #000000;
        --text: #f5f5f7;
        --text-secondary: #a1a1a6;
        --card-bg: #1c1c1e;
        --card-bg-alt: #2c2c2e;
        --border: transparent;
        --nav-bg: rgba(28,28,30,0.85);
        --btn-bg: #f5f5f7;
        --btn-text: #1d1d1f;
        --phone-bg: #2c2c2e;
        --phone-frame: #f5f5f7;
        --phone-notch: #f5f5f7;
        --icon-bg: #2c2c2e;
        --icon-color: #a1a1a6;
        --badge-bg: #2c2c2e;
        --shadow: rgba(0,0,0,0.2);
        --shadow-hover: rgba(0,0,0,0.4);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
nav {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(128,128,128,0.15);
    padding: 0.8rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
}

.nav-center {
    display: flex;
    gap: 2rem;
}

.nav-center a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-center a:hover { color: var(--text); }

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--btn-bg);
    color: var(--btn-text);
    padding: 0.45rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

.nav-btn:hover { opacity: 0.85; }

.nav-btn svg { width: 14px; height: 14px; fill: var(--btn-text); }

/* ── Page Wrapper ── */
.page-wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

/* ── Hero Card ── */
.hero-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 3.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    box-shadow: 0 1px 3px var(--shadow);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.hero-text { flex: 1; max-width: 380px; }

.badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--badge-bg);
    padding: 0.35rem 0.75rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.badge-star { color: #f59e0b; font-size: 0.65rem; }
.badge-num { font-size: 1rem; font-weight: 800; color: var(--text); }

.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.hero-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--btn-bg);
    color: var(--btn-text);
    padding: 0.6rem 1.25rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

.app-store-btn:hover { opacity: 0.85; }
.app-store-btn svg { width: 16px; height: 16px; fill: var(--btn-text); }

.hero-phone { flex-shrink: 0; }

/* ── Screenshot Phone Frame ── */
.phone-frame {
    position: relative;
    flex-shrink: 0;
    background: #000;
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.phone-frame img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 30px;
    position: relative;
    z-index: 1;
}

.phone-frame.hero-size { width: 260px; }
.phone-frame.small-size { width: 220px; }

/* ── Bento Grid ── */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.bento-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: 0 1px 3px var(--shadow);
    transition: box-shadow 0.2s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.bento-card:hover {
    box-shadow: 0 4px 16px var(--shadow-hover);
}

.bento-card.span-2 { grid-column: span 2; }
.bento-card.span-3 { grid-column: span 3; }

.bento-card.row-card {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
}

.bento-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.bento-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.bento-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    flex: 1;
}

.bento-icon {
    width: 44px;
    height: 44px;
    background: var(--icon-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--icon-color);
}

.bento-card .card-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bento-card .card-text {
    flex: 1;
}

.pattern-dots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 1rem;
    opacity: 0.15;
    flex: 1;
}

.pattern-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--text);
}

/* ── Footer ── */
footer {
    border-top: 1px solid rgba(128,128,128,0.15);
    padding: 2rem;
}

.footer-inner {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copy {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s;
}

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

/* ── Content Pages (Privacy, EULA, Copyright) ── */
.content {
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.content h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 2.5rem;
}

.content h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 0.6rem;
}

.content p, .content ul, .content ol {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.65;
}

.content ul, .content ol { padding-left: 1.5rem; }
.content li { margin-bottom: 0.35rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .nav-center { display: none; }
    .page-wrap { padding: 1rem 1rem 3rem; }

    .hero-card {
        flex-direction: column-reverse;
        padding: 2rem 1.5rem;
        text-align: center;
    }
    .hero-text { max-width: 100%; }
    .badges { justify-content: center; }
    .phone-frame.hero-size { width: 220px; }
    .phone-frame.small-size { width: 180px; }
    .phone-frame { border-radius: 32px; padding: 8px; }
    .phone-frame img { border-radius: 24px; }

    .bento-grid,
    .bento-grid[style] {
        grid-template-columns: 1fr !important;
    }
    .bento-card.span-2,
    .bento-card.span-3 { grid-column: span 1; }
    .bento-card.row-card {
        flex-direction: column;
        text-align: center;
    }
    .bento-card h3 { font-size: 1.35rem; }

    .content { padding: 2rem 1.5rem 4rem; }
    .content h1 { font-size: 1.8rem; }

    .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 2.2rem; }
    .phone-frame.hero-size { width: 190px; }
    .phone-frame.small-size { width: 160px; }
}