/* ===== Plan! marketing site — base styles ===== */
:root {
    --bg: #ffffff;
    --bg-soft: #f5f7fb;
    --bg-card: #ffffff;
    --text: #0d1b2a;
    --text-muted: #5b6b80;
    --text-soft: #8a96a8;
    --brand: #2563eb;
    --brand-deep: #1d4ed8;
    --brand-soft: #e0eaff;
    --green: #16a34a;
    --green-soft: #dcfce7;
    --red: #ef4444;
    --orange: #f59e0b;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --border: #e6ebf2;
    --shadow-sm: 0 1px 2px rgba(13,27,42,.06), 0 2px 6px rgba(13,27,42,.04);
    --shadow-md: 0 8px 24px rgba(13,27,42,.08), 0 2px 6px rgba(13,27,42,.04);
    --shadow-lg: 0 30px 60px rgba(13,27,42,.18), 0 6px 18px rgba(13,27,42,.08);
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --container: 1180px;
    --ease: cubic-bezier(.22,.61,.36,1);
}

/* Dark theme — applied via prefers-color-scheme OR [data-theme="dark"] */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0b1020;
        --bg-soft: #111733;
        --bg-card: #161d3a;
        --text: #f5f7ff;
        --text-muted: #b6c1da;
        --text-soft: #8693b3;
        --border: #1f2747;
        --brand-soft: #1c2a5e;
        --shadow-md: 0 8px 24px rgba(0,0,0,.45);
        --shadow-lg: 0 30px 60px rgba(0,0,0,.55);
    }
}
:root[data-theme="dark"] {
    --bg: #0b1020;
    --bg-soft: #111733;
    --bg-card: #161d3a;
    --text: #f5f7ff;
    --text-muted: #b6c1da;
    --text-soft: #8693b3;
    --border: #1f2747;
    --brand-soft: #1c2a5e;
    --shadow-md: 0 8px 24px rgba(0,0,0,.45);
    --shadow-lg: 0 30px 60px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; font-size: 18px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text-muted); font-size: 15px; transition: color .2s var(--ease); }
.nav a:hover { color: var(--text); }
.cta-pill {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--text); color: var(--bg);
    padding: 8px 16px; border-radius: 999px; font-weight: 600; font-size: 14px;
    transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.cta-pill:hover { transform: translateY(-1px); opacity: .92; }
.menu-toggle { display: none; background: none; border: 0; color: var(--text); padding: 8px; }

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 80px 0 120px;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute; inset: -200px -100px auto -100px; height: 700px;
    background:
        radial-gradient(60% 60% at 25% 30%, rgba(37,99,235,.18), transparent 60%),
        radial-gradient(50% 60% at 80% 20%, rgba(139,92,246,.16), transparent 60%),
        radial-gradient(40% 50% at 60% 70%, rgba(22,163,74,.12), transparent 60%);
    z-index: -1;
    filter: blur(20px);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 60px;
    align-items: center;
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: 999px;
    background: var(--brand-soft); color: var(--brand-deep);
    font-size: 13px; font-weight: 600; letter-spacing: .01em;
    margin-bottom: 20px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(37,99,235,.18); }
.hero h1 {
    font-size: clamp(40px, 6.4vw, 72px);
    line-height: 1.04;
    letter-spacing: -0.025em;
    font-weight: 800;
    margin: 0 0 20px;
}
.hero h1 .grad {
    background: linear-gradient(120deg, #2563eb 10%, #8b5cf6 60%, #16a34a 110%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
    font-size: clamp(17px, 1.6vw, 20px);
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 0 32px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.app-store-badge {
    display: inline-flex; align-items: center; gap: 12px;
    background: #000; color: #fff;
    padding: 12px 22px; border-radius: 14px;
    transition: transform .2s var(--ease);
}
.app-store-badge:hover { transform: translateY(-2px); }
.app-store-badge svg { width: 28px; height: 28px; }
.app-store-badge .label { display: flex; flex-direction: column; line-height: 1; }
.app-store-badge .label small { font-size: 11px; opacity: .8; margin-bottom: 4px; }
.app-store-badge .label strong { font-size: 19px; font-weight: 600; letter-spacing: .01em; }
.hero-meta { display: flex; gap: 28px; margin-top: 28px; flex-wrap: wrap; color: var(--text-muted); font-size: 14px; }
.hero-meta strong { color: var(--text); font-weight: 700; font-size: 22px; display: block; }

/* ===== iPhone mockup ===== */
.phone {
    --w: 320px;
    width: var(--w);
    aspect-ratio: 320 / 660;
    margin: 0 auto;
    border-radius: 48px;
    background: linear-gradient(160deg, #1c1d24, #0a0b10);
    padding: 12px;
    box-shadow:
        0 30px 80px rgba(13,27,42,.35),
        0 10px 30px rgba(13,27,42,.18),
        inset 0 0 0 1px #2a2d3a,
        inset 0 0 0 2px #0a0b10;
    position: relative;
    transform: rotate(-2deg);
    transition: transform .6s var(--ease);
}
.phone:hover { transform: rotate(0deg) translateY(-4px); }
.phone::before {
    content: "";
    position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
    width: 110px; height: 32px; background: #000; border-radius: 999px;
    z-index: 4;
}
.phone-screen {
    width: 100%; height: 100%;
    border-radius: 36px;
    overflow: hidden;
    background: var(--bg-soft);
    position: relative;
    color: var(--text);
}
.phone-status {
    position: absolute; top: 0; left: 0; right: 0; height: 44px; z-index: 3;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 28px 0;
    font-size: 13px; font-weight: 600; letter-spacing: .02em;
}
.phone-status .icons { display: flex; gap: 4px; align-items: center; }
.hero-phone-wrap { position: relative; perspective: 1400px; }
.hero-phone-wrap .phone { transform: rotate(-3deg) rotateY(-6deg); }
.hero-phone-wrap .phone:hover { transform: rotate(0) rotateY(0) translateY(-4px); }
.floating-card {
    position: absolute;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 14px 18px;
    display: flex; align-items: center; gap: 12px;
    border: 1px solid var(--border);
    animation: float 6s ease-in-out infinite;
}
.floating-card .ic {
    width: 36px; height: 36px; border-radius: 10px;
    display: grid; place-items: center; color: #fff; font-size: 18px;
}
.floating-card .meta strong { display: block; font-size: 13px; }
.floating-card .meta small { color: var(--text-muted); font-size: 11px; }
.fc-1 { top: 8%; left: -40px; animation-delay: -1s; }
.fc-2 { top: 36%; right: -50px; animation-delay: -3s; }
.fc-3 { bottom: 6%; left: -10px; animation-delay: -5s; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== Sections ===== */
section { padding: 100px 0; position: relative; }
.section-eyebrow {
    display: inline-block;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .14em;
    color: var(--brand);
    margin-bottom: 14px;
}
.section-title {
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0 0 18px;
}
.section-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 0 56px;
}
.section-head { max-width: 760px; margin-bottom: 56px; }

/* ===== Benefits ===== */
.benefits { background: var(--bg-soft); }
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.benefit {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.benefit:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.benefit .ic {
    width: 48px; height: 48px; border-radius: 14px;
    display: grid; place-items: center;
    background: var(--brand-soft); color: var(--brand);
    margin-bottom: 16px;
}
.benefit h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.benefit p { margin: 0; color: var(--text-muted); font-size: 14.5px; }

/* ===== Visualization ===== */
.viz-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.viz-mock {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 28px;
    position: relative;
    overflow: hidden;
}
.viz-mock::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(120% 60% at 0% 0%, rgba(37,99,235,.06), transparent 50%);
}
.viz-mock h4 { margin: 0 0 4px; font-size: 14px; color: var(--text-muted); font-weight: 600; }
.viz-mock .amount { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 24px; }
.donut-row { display: flex; gap: 24px; align-items: center; margin-bottom: 28px; }
.donut {
    --p: 0;
    width: 140px; height: 140px;
    border-radius: 50%;
    background:
        conic-gradient(var(--brand) 0% 38%, var(--green) 38% 60%, var(--orange) 60% 78%, var(--purple) 78% 92%, var(--pink) 92% 100%);
    display: grid; place-items: center;
    position: relative;
    flex-shrink: 0;
}
.donut::before {
    content: ""; position: absolute; inset: 14px;
    border-radius: 50%; background: var(--bg-card);
}
.donut .donut-label { position: relative; text-align: center; }
.donut .donut-label strong { display: block; font-size: 22px; font-weight: 800; }
.donut .donut-label small { color: var(--text-muted); font-size: 11px; }
.legend { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.legend-item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.legend-item .sw { width: 12px; height: 12px; border-radius: 4px; flex-shrink: 0; }
.legend-item .pct { margin-left: auto; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.bars { display: flex; align-items: end; gap: 10px; height: 140px; padding-top: 12px; }
.bars .bar {
    flex: 1; border-radius: 8px 8px 4px 4px;
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    position: relative;
    transition: height .8s var(--ease);
}
.bars .bar.alt { background: linear-gradient(180deg, var(--green), #15803d); }
.bars .bar::after {
    content: attr(data-label); position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%);
    font-size: 11px; color: var(--text-soft);
}

/* ===== Features ===== */
.features { background: var(--bg-soft); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    position: relative;
    overflow: hidden;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature .ic {
    width: 56px; height: 56px; border-radius: 16px;
    display: grid; place-items: center;
    color: #fff;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    box-shadow: 0 10px 24px rgba(37,99,235,.3);
}
.feature.green .ic { background: linear-gradient(135deg, var(--green), #15803d); box-shadow: 0 10px 24px rgba(22,163,74,.3); }
.feature.orange .ic { background: linear-gradient(135deg, var(--orange), #d97706); box-shadow: 0 10px 24px rgba(245,158,11,.3); }
.feature.purple .ic { background: linear-gradient(135deg, var(--purple), #7c3aed); box-shadow: 0 10px 24px rgba(139,92,246,.3); }
.feature.pink .ic { background: linear-gradient(135deg, var(--pink), #db2777); box-shadow: 0 10px 24px rgba(236,72,153,.3); }
.feature.red .ic { background: linear-gradient(135deg, var(--red), #b91c1c); box-shadow: 0 10px 24px rgba(239,68,68,.3); }
.feature h3 { margin: 0 0 10px; font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.6; }

/* ===== Showcase: alternating screens ===== */
.showcase-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}
.showcase-row.reverse { grid-template-columns: 1fr 1fr; }
.showcase-row.reverse .showcase-text { order: 2; }
.showcase-row.reverse .showcase-phone { order: 1; }
.showcase-row:last-child { margin-bottom: 0; }
.showcase-text h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 16px; }
.showcase-text .badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: 999px;
    background: var(--brand-soft); color: var(--brand-deep);
    font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    margin-bottom: 14px;
}
.showcase-text p { font-size: 17px; color: var(--text-muted); margin: 0 0 20px; }
.showcase-text ul { padding: 0; margin: 0; list-style: none; }
.showcase-text li { padding: 10px 0 10px 32px; position: relative; color: var(--text); font-size: 15px; }
.showcase-text li::before {
    content: ""; position: absolute; left: 0; top: 14px;
    width: 18px; height: 18px;
    background: var(--green-soft);
    border-radius: 50%;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-position: center; background-repeat: no-repeat; background-size: 12px;
}
.showcase-phone { display: grid; place-items: center; }

/* ===== Blog preview ===== */
.blog-preview { background: var(--bg-soft); }
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.article-card .cover {
    aspect-ratio: 16/9;
    background-size: cover; background-position: center;
    position: relative;
}
.article-card .tag {
    position: absolute; top: 12px; left: 12px;
    background: rgba(0,0,0,.7); color: #fff;
    backdrop-filter: blur(8px);
    padding: 4px 10px; border-radius: 999px;
    font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.article-card .body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.article-card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
.article-card p { margin: 0 0 16px; color: var(--text-muted); font-size: 14px; flex: 1; }
.article-card .meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-soft); }
.article-card .read-more { color: var(--brand); font-weight: 600; }

/* ===== CTA Strip ===== */
.cta-strip {
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-strip::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(50% 60% at 10% 20%, rgba(255,255,255,.15), transparent 60%),
        radial-gradient(40% 60% at 90% 80%, rgba(255,255,255,.12), transparent 60%);
}
.cta-strip h2 { position: relative; font-size: clamp(30px, 4vw, 48px); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 16px; }
.cta-strip p { position: relative; opacity: .92; max-width: 580px; margin: 0 auto 32px; font-size: 18px; }
.cta-strip .app-store-badge { background: #fff; color: #000; }

/* ===== Footer ===== */
.footer {
    padding: 60px 0 32px;
    background: var(--bg);
    border-top: 1px solid var(--border);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer h4 { margin: 0 0 14px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer a { color: var(--text-muted); font-size: 14.5px; transition: color .2s var(--ease); }
.footer a:hover { color: var(--text); }
.footer-about { color: var(--text-muted); font-size: 14.5px; max-width: 320px; margin: 12px 0 0; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 24px; border-top: 1px solid var(--border);
    font-size: 13px; color: var(--text-soft);
    flex-wrap: wrap; gap: 16px;
}
.social { display: flex; gap: 12px; }
.social a {
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    display: grid; place-items: center;
    color: var(--text-muted);
    transition: transform .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.social a:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-2px); }

/* ===== Reveal animations ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-stagger.in > *:nth-child(1) { opacity: 1; transform: none; transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { opacity: 1; transform: none; transition-delay: .15s; }
.reveal-stagger.in > *:nth-child(3) { opacity: 1; transform: none; transition-delay: .25s; }
.reveal-stagger.in > *:nth-child(4) { opacity: 1; transform: none; transition-delay: .35s; }
.reveal-stagger.in > *:nth-child(5) { opacity: 1; transform: none; transition-delay: .45s; }
.reveal-stagger.in > *:nth-child(6) { opacity: 1; transform: none; transition-delay: .55s; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
    .hero { padding: 56px 0 80px; }
    .hero-grid { grid-template-columns: 1fr; gap: 60px; text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-meta { justify-content: center; }
    .hero-phone-wrap .phone { transform: none; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .viz-grid { grid-template-columns: 1fr; }
    .showcase-row, .showcase-row.reverse {
        grid-template-columns: 1fr; gap: 40px; text-align: center;
        margin-bottom: 80px;
    }
    .showcase-row.reverse .showcase-text, .showcase-row.reverse .showcase-phone { order: unset; }
    .showcase-text ul { display: inline-block; text-align: left; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    section { padding: 72px 0; }
    .nav .nav-links { display: none; }
    .menu-toggle { display: block; }
    .nav.open .nav-links {
        display: flex; flex-direction: column; gap: 18px;
        position: absolute; top: 64px; left: 0; right: 0;
        background: var(--bg); padding: 24px;
        border-bottom: 1px solid var(--border);
    }
    .benefits-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .floating-card { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .donut-row { flex-direction: column; align-items: stretch; }
    .donut { margin: 0 auto; }
}

/* ===== Article page ===== */
.article-hero {
    padding: 60px 0 40px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
}
.article-hero .breadcrumbs { font-size: 13px; color: var(--text-soft); margin-bottom: 18px; }
.article-hero .breadcrumbs a { color: var(--brand); }
.article-hero .tag {
    display: inline-block;
    padding: 6px 12px; border-radius: 999px;
    background: var(--brand-soft); color: var(--brand-deep);
    font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    margin-bottom: 16px;
}
.article-hero h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 16px; max-width: 800px; }
.article-hero .meta { display: flex; gap: 20px; color: var(--text-muted); font-size: 14px; }
.article-layout { padding: 60px 0; }
.article-layout .container { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 60px; }
.article-body { font-size: 17px; line-height: 1.7; color: var(--text); max-width: 720px; }
.article-body h2 { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; margin: 40px 0 16px; }
.article-body h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; margin: 32px 0 12px; }
.article-body p { margin: 0 0 16px; color: var(--text); }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 20px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
    margin: 28px 0;
    padding: 18px 22px;
    border-left: 4px solid var(--brand);
    background: var(--brand-soft);
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
}
.article-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.article-aside { position: sticky; top: 80px; align-self: start; }
.aside-card {
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
    color: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}
.aside-card .ic-app {
    width: 56px; height: 56px; border-radius: 14px; margin-bottom: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,.25);
}
.aside-card h4 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.aside-card p { margin: 0 0 18px; opacity: .9; font-size: 14px; line-height: 1.5; }
.aside-card .app-store-badge { background: #fff; color: #000; padding: 10px 18px; }
.aside-card .app-store-badge .label strong { font-size: 16px; }
.toc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; margin-top: 20px; }
.toc h5 { margin: 0 0 12px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); }
.toc ol { padding-left: 18px; margin: 0; font-size: 14px; }
.toc li { margin-bottom: 8px; }
.toc a { color: var(--text-muted); }
.toc a:hover { color: var(--brand); }

@media (max-width: 980px) {
    .article-layout .container { grid-template-columns: 1fr; }
    .article-aside { position: static; }
}

/* ===== Blog index ===== */
.blog-hero { padding: 60px 0 32px; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.blog-hero h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 12px; }
.blog-hero p { font-size: 17px; color: var(--text-muted); margin: 0 0 24px; max-width: 600px; }
.tag-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag-filter button {
    padding: 8px 16px; border-radius: 999px;
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text-muted); font-size: 13px; font-weight: 600;
    transition: all .2s var(--ease);
}
.tag-filter button:hover { color: var(--text); border-color: var(--text-muted); }
.tag-filter button.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.blog-list { padding: 60px 0; }

/* ===== Legal page ===== */
.legal { padding: 80px 0; }
.legal .container { max-width: 820px; }
.legal h1 { font-size: clamp(32px, 4vw, 44px); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 8px; }
.legal .updated { color: var(--text-soft); font-size: 14px; margin-bottom: 32px; }
.legal h2 { font-size: 24px; font-weight: 700; margin: 36px 0 12px; }
.legal p, .legal li { color: var(--text); font-size: 16px; line-height: 1.7; }
.legal ul { padding-left: 22px; }

/* ===== Header tools: theme + lang switcher ===== */
.header-tools { display: flex; align-items: center; gap: 10px; }
.icon-btn {
    width: 38px; height: 38px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: grid; place-items: center;
    transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--text-muted); transform: translateY(-1px); }
.icon-btn .sun, .icon-btn .moon { display: none; }
:root[data-theme="dark"] .icon-btn .sun,
:root:not([data-theme="light"]) .icon-btn .sun { display: block; }
:root[data-theme="light"] .icon-btn .moon,
:root:not([data-theme="dark"]) .icon-btn .moon { display: block; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .icon-btn .moon { display: none; }
    :root:not([data-theme="light"]) .icon-btn .sun { display: block; }
}
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .icon-btn .sun { display: none; }
    :root:not([data-theme="dark"]) .icon-btn .moon { display: block; }
}

.lang-switch {
    position: relative;
}
.lang-switch summary {
    list-style: none;
    cursor: pointer;
    height: 38px; padding: 0 14px;
    border-radius: 12px;
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text); font-size: 13px; font-weight: 600;
    display: inline-flex; align-items: center; gap: 6px;
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch summary::after { content: "▾"; font-size: 10px; opacity: .6; }
.lang-switch[open] summary { border-color: var(--brand); color: var(--brand); }
.lang-menu {
    position: absolute; top: calc(100% + 6px); right: 0;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; box-shadow: var(--shadow-md);
    min-width: 160px; padding: 6px;
    z-index: 60;
}
.lang-menu a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; border-radius: 8px;
    font-size: 14px; color: var(--text);
    transition: background .15s var(--ease);
}
.lang-menu a:hover { background: var(--bg-soft); }
.lang-menu a.current { color: var(--brand); font-weight: 700; }
.lang-menu a .flag { font-size: 16px; }

/* ===== Upgraded App Store button ===== */
.btn-download {
    --bg1: #000; --bg2: #1a1a1a;
    position: relative;
    display: inline-flex; align-items: center; gap: 14px;
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    color: #fff;
    padding: 14px 26px;
    border-radius: 16px;
    font-weight: 600;
    box-shadow:
        0 12px 28px rgba(0,0,0,.18),
        0 4px 10px rgba(0,0,0,.10),
        inset 0 1px 0 rgba(255,255,255,.08);
    overflow: hidden;
    isolation: isolate;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn-download::before {
    content: "";
    position: absolute; inset: -2px;
    background: conic-gradient(from 0deg, #2563eb, #8b5cf6, #ec4899, #16a34a, #2563eb);
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity .35s var(--ease);
}
.btn-download::after {
    content: "";
    position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.20), transparent);
    transform: skewX(-20deg);
    transition: left .8s var(--ease);
}
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(37,99,235,.30), 0 6px 14px rgba(0,0,0,.15); }
.btn-download:hover::before { opacity: 1; }
.btn-download:hover::after { left: 130%; }
.btn-download svg.apple { width: 30px; height: 30px; flex-shrink: 0; }
.btn-download .copy { display: flex; flex-direction: column; line-height: 1.05; text-align: left; }
.btn-download .copy .small { font-size: 11px; opacity: .82; margin-bottom: 4px; letter-spacing: .02em; text-transform: uppercase; font-weight: 600; }
.btn-download .copy .big { font-size: 20px; font-weight: 700; letter-spacing: .005em; }
.btn-download .badge-free {
    position: absolute; top: -8px; right: -8px;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: #fff;
    font-size: 10px; font-weight: 800; letter-spacing: .06em;
    padding: 4px 9px;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(22,163,74,.40);
    text-transform: uppercase;
}
.btn-download.light { --bg1: #fff; --bg2: #fff; color: #000; box-shadow: 0 12px 28px rgba(0,0,0,.18), inset 0 0 0 1px rgba(0,0,0,.06); }
.btn-download.light .badge-free { background: linear-gradient(135deg, #facc15, #f59e0b); color: #1a1a1a; }

.hero-trust {
    margin-top: 16px;
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--text-muted); font-size: 13px;
}
.hero-trust .stars { color: #f59e0b; letter-spacing: 2px; font-size: 14px; }
.hero-trust b { color: var(--text); font-weight: 700; }

/* ===== Pricing section ===== */
.pricing { background: var(--bg); }
.pricing .section-head { text-align: center; margin-left: auto; margin-right: auto; }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-items: stretch;
}
.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    display: flex; flex-direction: column;
    position: relative;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured {
    background: linear-gradient(180deg, var(--bg-card), var(--bg-card)) padding-box,
                linear-gradient(135deg, #2563eb, #8b5cf6) border-box;
    border: 2px solid transparent;
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 48px rgba(37,99,235,.18);
}
.price-card.featured:hover { transform: translateY(-12px) scale(1.02); }
.price-card .ribbon {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, #2563eb, #8b5cf6);
    color: #fff;
    font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 999px;
    box-shadow: 0 6px 14px rgba(37,99,235,.35);
    white-space: nowrap;
}
.price-card .tier-name {
    font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 14px;
}
.price-card.featured .tier-name { color: var(--brand); }
.price-card .price {
    font-size: 44px; font-weight: 800; letter-spacing: -0.03em;
    line-height: 1;
}
.price-card .price .cents { font-size: 22px; font-weight: 700; vertical-align: top; margin-left: 2px; }
.price-card .price .free { color: var(--green); }
.price-card .period { color: var(--text-muted); font-size: 13px; margin: 8px 0 4px; }
.price-card .save {
    display: inline-block;
    background: var(--green-soft); color: #15803d;
    font-size: 11px; font-weight: 800; letter-spacing: .04em;
    padding: 3px 9px; border-radius: 999px;
    margin-bottom: 18px;
}
:root[data-theme="dark"] .price-card .save { background: rgba(22,163,74,.18); color: #4ade80; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .price-card .save { background: rgba(22,163,74,.18); color: #4ade80; }
}
.price-card ul {
    list-style: none; padding: 0; margin: 18px 0 24px;
    display: flex; flex-direction: column; gap: 10px;
    flex: 1;
}
.price-card li {
    padding-left: 26px; position: relative;
    font-size: 14px; color: var(--text);
}
.price-card li::before {
    content: ""; position: absolute; left: 0; top: 4px;
    width: 16px; height: 16px;
    border-radius: 50%; background: var(--green-soft);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-position: center; background-repeat: no-repeat; background-size: 11px;
}
.price-card li.muted { color: var(--text-soft); }
.price-card li.muted::before {
    background: var(--bg-soft);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a96a8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><line x1='5' y1='12' x2='19' y2='12'/></svg>");
    background-size: 10px;
}
.price-card .cta {
    display: block;
    text-align: center;
    background: var(--bg-soft);
    color: var(--text);
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 700; font-size: 14px;
    border: 1px solid var(--border);
    transition: all .2s var(--ease);
}
.price-card .cta:hover { background: var(--text); color: var(--bg); border-color: var(--text); }
.price-card.featured .cta {
    background: linear-gradient(135deg, #2563eb, #8b5cf6);
    color: #fff; border-color: transparent;
    box-shadow: 0 10px 24px rgba(37,99,235,.30);
}
.price-card.featured .cta:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37,99,235,.40); }

.pricing-note {
    text-align: center; margin-top: 32px;
    color: var(--text-muted); font-size: 14px;
}
.pricing-note b { color: var(--text); }

@media (max-width: 980px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .price-card.featured { transform: none; }
}
@media (max-width: 640px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .header-tools .lang-switch summary { padding: 0 10px; font-size: 12px; }
}