/* RadioPL website */

:root {
    --red: #DC143C;
    --red-dark: #B01030;
    --bg: #FFFFFF;
    --bg-alt: #F5F5F7;
    --card: #FFFFFF;
    --text: #1D1D1F;
    --text-secondary: #6E6E73;
    --border: rgba(0, 0, 0, 0.08);
    --radius: 22px;
    --max: 1120px;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --red: #FF3B5C;
        --bg: #000000;
        --bg-alt: #111113;
        --card: #1C1C1E;
        --text: #F5F5F7;
        --text-secondary: #A1A1A6;
        --border: rgba(255, 255, 255, 0.12);
    }
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

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

/* Language switching: elements marked .en or .pl show only for the active language. */
html[lang="pl"] .en, html[lang="en"] .pl { display: none !important; }

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 19px;
    color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }

.nav { display: flex; align-items: center; gap: 24px; font-size: 15px; }
.nav a { color: var(--text-secondary); }
.nav a:hover { color: var(--text); text-decoration: none; }

.lang-toggle {
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    border-radius: 999px;
    padding: 5px 12px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.lang-toggle:hover { border-color: var(--red); }

@media (max-width: 720px) {
    .nav a.nav-link { display: none; }
}

/* Hero */

.hero {
    text-align: center;
    padding: 96px 0 80px;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, color-mix(in srgb, var(--red) 14%, transparent), transparent),
        var(--bg);
}

.hero-icon {
    width: 160px;
    height: 160px;
    margin: 0 auto 32px;
    border-radius: 36px;
    box-shadow: 0 20px 50px rgba(220, 20, 60, 0.25), 0 4px 12px rgba(0,0,0,0.12);
}

.hero h1 {
    font-size: clamp(40px, 7vw, 72px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 20px;
}

.hero p.lead {
    font-size: clamp(19px, 2.4vw, 24px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 36px;
}

.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 17px;
    transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-secondary { background: var(--bg-alt); color: var(--text); border: 1px solid var(--border); }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

.platforms {
    margin-top: 28px;
    font-size: 15px;
    color: var(--text-secondary);
}

/* Stats */

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 0 0 80px;
}
.stat {
    text-align: center;
    padding: 24px 12px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}
.stat strong { display: block; font-size: 36px; line-height: 1.1; color: var(--red); }
.stat span { font-size: 15px; color: var(--text-secondary); }

@media (max-width: 720px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
}

/* Sections */

section { padding: 88px 0; }
section.alt { background: var(--bg-alt); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 {
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.1;
    letter-spacing: -0.015em;
    margin: 0 0 14px;
}
.section-head p { font-size: 20px; color: var(--text-secondary); margin: 0; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
section.alt .card { border-color: transparent; }

.card .icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--red) 12%, transparent);
    color: var(--red);
    margin-bottom: 18px;
}
.card .icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 20px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--text-secondary); }

/* Siri quotes */

.quotes { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.quote {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 12px 22px;
    font-size: 18px;
    font-weight: 500;
}

/* Privacy highlight */

.privacy-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}
.privacy-box .card { text-align: center; }
.privacy-box .card .icon { margin: 0 auto 14px; }
.center { text-align: center; }

/* FAQ */

.faq { max-width: 780px; margin: 0 auto; }
.faq details {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 22px;
    margin-bottom: 12px;
}
.faq summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--text-secondary); margin: 12px 0 0; }

/* Footer */

.site-footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    font-size: 14px;
    color: var(--text-secondary);
}
.site-footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer small { display: block; margin-top: 16px; font-size: 12px; }
.site-footer a { color: var(--text-secondary); }
.site-footer a:hover { color: var(--text); }

/* Legal pages (privacy policies) */

.legal { max-width: 780px; margin: 0 auto; padding: 64px 24px 96px; }
.legal h1 { font-size: clamp(32px, 5vw, 44px); line-height: 1.1; margin: 0 0 16px; }
.legal h2 { font-size: 24px; margin: 48px 0 12px; }
.legal h3 { font-size: 19px; margin: 32px 0 8px; }
.legal p, .legal li { color: var(--text); }
.legal ul, .legal ol { padding-left: 24px; }
.legal li { margin-bottom: 6px; }
.legal table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 15px;
    display: block;
    overflow-x: auto;
}
.legal th, .legal td {
    text-align: left;
    vertical-align: top;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.legal th { background: var(--bg-alt); }

/* User guide */

.guide-hero {
    text-align: center;
    padding: 72px 24px 56px;
    background:
        radial-gradient(ellipse 60% 60% at 50% 0%, color-mix(in srgb, var(--red) 12%, transparent), transparent),
        var(--bg);
    border-bottom: 1px solid var(--border);
}
.guide-hero img { width: 88px; height: 88px; border-radius: 20px; margin: 0 auto 20px; box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2); }
.guide-hero h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 12px; }
.guide-hero p { font-size: 20px; color: var(--text-secondary); max-width: 640px; margin: 0 auto; }

.guide {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    max-width: var(--max);
    margin: 0 auto;
    padding: 48px 24px 96px;
}

.toc {
    position: sticky;
    top: 84px;
    align-self: start;
    max-height: calc(100vh - 108px);
    overflow-y: auto;
    font-size: 15px;
}
.toc h2 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin: 0 0 10px;
}
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a {
    display: block;
    padding: 6px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
}
.toc a:hover { background: var(--bg-alt); color: var(--text); text-decoration: none; }
.toc a.active { background: color-mix(in srgb, var(--red) 12%, transparent); color: var(--red); font-weight: 600; }

.guide-content { min-width: 0; }
.guide-content > section { padding: 0 0 56px; scroll-margin-top: 84px; }
.guide-content > section + section { border-top: 1px solid var(--border); padding-top: 48px; }

.guide-content h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: clamp(28px, 4vw, 36px);
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 0 0 16px;
}
.guide-content h2 .num {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 18px;
    background: var(--red);
    color: #fff;
}
.guide-content h3 { font-size: 21px; margin: 36px 0 10px; }
.guide-content p, .guide-content li { color: var(--text); }
.guide-content .intro { font-size: 19px; color: var(--text-secondary); margin-top: 0; }
.guide-content ul { padding-left: 22px; }
.guide-content li { margin-bottom: 8px; }

/* An in-app label, styled like the control it names. */
.ui {
    display: inline;
    padding: 1px 7px;
    line-height: 1.9;
    border-radius: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.92em;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

/* Numbered steps */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 16px 0; }
.steps li {
    counter-increment: step;
    position: relative;
    padding: 2px 0 2px 46px;
    margin-bottom: 14px;
}
.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 700;
    background: color-mix(in srgb, var(--red) 12%, transparent);
    color: var(--red);
}

.callout {
    display: flex;
    gap: 14px;
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 16px;
    background: var(--bg-alt);
    border-left: 4px solid var(--red);
}
.callout::before { content: "💡"; font-size: 20px; line-height: 1.4; }
.callout.note::before { content: "ℹ️"; }
.callout p { margin: 0; }

.badge {
    display: inline-block;
    vertical-align: middle;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: color-mix(in srgb, var(--red) 12%, transparent);
    color: var(--red);
    white-space: nowrap;
}

.guide-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 15px;
}
.guide-content th, .guide-content td {
    text-align: left;
    vertical-align: top;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.guide-content th { background: var(--bg-alt); }
.table-wrap { overflow-x: auto; }

.mini-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.mini-cards div {
    padding: 16px 18px;
    border-radius: 16px;
    background: var(--bg-alt);
}
.mini-cards strong { display: block; margin-bottom: 4px; }
.mini-cards span { font-size: 15px; color: var(--text-secondary); }

@media (max-width: 900px) {
    .guide { grid-template-columns: 1fr; gap: 24px; }
    .toc { position: static; max-height: none; padding: 16px; border-radius: 16px; background: var(--bg-alt); }
    .toc ol { columns: 2; }
}

@media print {
    .site-header, .toc, .site-footer { display: none; }
    .guide { display: block; padding: 0; }
}