/* Klarfeed marketing landing -- shared stylesheet.
   Static, no JavaScript, no external fonts, no CDN, no tracking. System font stack
   only, so no network request leaks a visitor to a third party. Light + dark aware. */

:root
{
    --bg: #ffffff;
    --fg: #1b1f24;
    --muted: #5b6570;
    --accent: #0a66c2;
    --accent-fg: #ffffff;
    --card: #f5f7fa;
    --border: #e2e7ee;
    --maxw: 60rem;
}

@media (prefers-color-scheme: dark)
{
    :root
    {
        --bg: #14171b;
        --fg: #e7ebf0;
        --muted: #9aa4af;
        --accent: #4c9be6;
        --accent-fg: #0b0d10;
        --card: #1c2126;
        --border: #2a3038;
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body
{
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
        "Noto Sans", "Noto Sans CJK SC", "Noto Sans JP", sans-serif;
    line-height: 1.6;
    font-size: 17px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* Header / nav */
header.site
{
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
}
header.site .wrap
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: .9rem;
    padding-bottom: .9rem;
    flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); }
.brand span { color: var(--accent); }
nav.main a { color: var(--fg); margin-left: 1.1rem; font-size: .97rem; }
nav.main a:first-child { margin-left: 0; }

/* Buttons */
.btn
{
    display: inline-block;
    background: var(--accent);
    color: var(--accent-fg);
    padding: .7rem 1.3rem;
    border-radius: .5rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.secondary
{
    background: transparent;
    color: var(--accent);
    border-color: var(--border);
}

/* Hero */
.hero { padding: 4rem 0 3rem; text-align: center; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 1rem; }
.hero p.lead { font-size: 1.25rem; color: var(--muted); max-width: 42rem; margin: 0 auto 2rem; }
.hero .cta { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }

@media (max-width: 40rem) { .hero h1 { font-size: 2rem; } }

/* Sections */
section { padding: 2.5rem 0; }
section h2 { font-size: 1.6rem; margin: 0 0 1.5rem; }
.section-alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.25rem; }
.card
{
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: .7rem;
    padding: 1.3rem;
}
.section-alt .card { background: var(--bg); }
.card h3 { margin: 0 0 .5rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }

/* Steps */
ol.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
ol.steps li { padding-left: 3rem; position: relative; }
ol.steps li::before
{
    counter-increment: step;
    content: counter(step);
    position: absolute; left: 0; top: 0;
    width: 2rem; height: 2rem; line-height: 2rem; text-align: center;
    background: var(--accent); color: var(--accent-fg); border-radius: 50%; font-weight: 700;
}

/* Plain content (features/pricing/legal) */
.content ul { padding-left: 1.2rem; }
.content li { margin: .35rem 0; }
.content h2 { margin-top: 2rem; }

/* Pricing */
.price-card
{
    background: var(--card); border: 1px solid var(--border); border-radius: .9rem;
    padding: 2rem; max-width: 26rem; margin: 0 auto; text-align: center;
}
.price { font-size: 2.6rem; font-weight: 800; margin: .3rem 0; }
.price .cur { font-size: 1.4rem; vertical-align: super; }
.price-card ul { text-align: left; display: inline-block; margin: 1.2rem 0; }

/* Placeholder markers -- must be replaced before deploy */
.placeholder
{
    background: #fff3cd; color: #664d03; padding: 0 .3rem; border-radius: .25rem;
    font-style: normal; border: 1px dashed #c9a227;
}
@media (prefers-color-scheme: dark)
{
    .placeholder { background: #3a3413; color: #ffe08a; border-color: #7a6a1f; }
}

/* Footer */
footer.site
{
    border-top: 1px solid var(--border);
    margin-top: 2rem;
    padding: 2rem 0;
    color: var(--muted);
    font-size: .92rem;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; justify-content: space-between; }
footer.site a { color: var(--muted); }
.langbar a { margin-right: .7rem; }
.langbar a[aria-current="true"] { font-weight: 700; color: var(--fg); }

/* Right-to-left support hook (unused for the current 6 languages, kept for future) */
[dir="rtl"] nav.main a { margin-left: 0; margin-right: 1.1rem; }