/* Landing /about — design system (prefix .ab-) */
.ab-root {
    --ab-blue: #1d5fd6;
    --ab-blue-dark: #1748a8;
    --ab-blue-soft: #e8f0fd;
    --ab-ink: #14171f;
    --ab-muted: #5b6474;
    --ab-line: #e4e7ee;
    --ab-bg: #ffffff;
    --ab-bg-alt: #f5f7fb;
    --ab-dark: #0f1a33;
    --ab-green: #1f9d55;
    --ab-radius: 20px;
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--ab-ink);
    background: var(--ab-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.ab-root *, .ab-root *::before, .ab-root *::after { box-sizing: border-box; }
/* Smooth scroll dla kliknięć na stronie; skok z #hash przy wejściu obsługuje js/about.js (czeka na fonty). */
html:has(.ab-root) { scroll-behavior: smooth; }

.ab-root h1, .ab-root h2, .ab-root h3, .ab-root h4 {
    font-family: 'Jost', 'Inter', sans-serif;
    color: var(--ab-ink);
    margin: 0;
    line-height: 1.15;
    letter-spacing: -.01em;
}

.ab-root p { margin: 0; }
.ab-container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.ab-section { padding: 96px 0; scroll-margin-top: 72px; }
.ab-section--alt { background: var(--ab-bg-alt); }
.ab-section--dark { background: var(--ab-dark); color: #fff; }
.ab-section--dark h2, .ab-section--dark h3 { color: #fff; }

.ab-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.ab-head h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 700; }
.ab-head p { margin-top: 16px; font-size: 18px; color: var(--ab-muted); }
.ab-section--dark .ab-head p { color: #b7c2dc; }

.ab-kicker {
    display: inline-block;
    font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
    color: var(--ab-blue); background: var(--ab-blue-soft);
    padding: 6px 14px; border-radius: 999px;
}

/* Buttons */
.ab-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 30px; border-radius: 999px; border: 2px solid transparent;
    font: 600 16px 'Inter', sans-serif; text-decoration: none; cursor: pointer;
    transition: transform .15s, box-shadow .15s, background .15s, color .15s;
}
.ab-btn:hover { transform: translateY(-1px); }
.ab-btn--primary { background: var(--ab-blue); color: #fff; box-shadow: 0 8px 22px rgba(29, 95, 214, .3); }
.ab-btn--primary:hover { background: var(--ab-blue-dark); color: #fff; }
.ab-btn--outline { background: transparent; color: var(--ab-blue); border-color: var(--ab-blue); }
.ab-btn--outline:hover { background: var(--ab-blue-soft); color: var(--ab-blue); }
.ab-btn--light { background: #fff; color: var(--ab-blue); }
.ab-btn--full { width: 100%; }
.ab-btn[disabled] { opacity: .6; pointer-events: none; }

/* Nav */
.ab-nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .88); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ab-line);
}
.ab-nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.ab-logo { font: 700 24px 'Jost', sans-serif; color: var(--ab-ink); text-decoration: none; }
.ab-logo span { color: var(--ab-blue); }
.ab-nav__links { display: flex; align-items: center; gap: 30px; }
.ab-nav__links a:not(.ab-btn) { color: var(--ab-ink); text-decoration: none; font-weight: 500; font-size: 15px; }
.ab-nav__links a:not(.ab-btn):hover { color: var(--ab-blue); }
.ab-nav__links .ab-btn { padding: 10px 22px; font-size: 15px; }
.ab-nav__toggle { display: none; }
.ab-nav__burger { display: none; cursor: pointer; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.ab-nav__burger span { display: block; width: 24px; height: 2px; background: var(--ab-ink); border-radius: 2px; }

/* Hero */
.ab-hero {
    padding: 72px 0 96px;
    background:
        radial-gradient(900px 500px at 85% 0%, rgba(168, 130, 255, .22), transparent 60%),
        radial-gradient(800px 500px at 0% 20%, rgba(29, 95, 214, .14), transparent 60%),
        #fbfbff;
    overflow: hidden;
}
.ab-hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.ab-hero h1 { font-size: clamp(38px, 5.4vw, 68px); font-weight: 800; margin: 22px 0; }
.ab-hero h1 em { font-style: normal; color: var(--ab-blue); }
.ab-hero__lead { font-size: 19px; color: var(--ab-muted); max-width: 580px; }
.ab-hero__price { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 28px 0; }
.ab-hero__price span { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.ab-hero__price span::before {
    content: '✓'; display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px; border-radius: 50%; background: var(--ab-green); color: #fff; font-size: 13px;
}
.ab-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.ab-hero__note { margin-top: 28px; color: var(--ab-muted); font-size: 14px; }

/* Phone mockup */
.ab-phone-wrap { display: flex; justify-content: center; }
.ab-phone {
    width: 280px; height: 560px; border-radius: 42px; background: #0f1320; padding: 12px;
    box-shadow: 0 40px 80px rgba(20, 30, 70, .28), 0 0 0 2px #262b3d inset;
    transform: rotate(4deg);
}
.ab-phone__screen { width: 100%; height: 100%; border-radius: 32px; background: #f3f5fa; overflow: hidden; display: flex; flex-direction: column; }
.ab-phone__top { background: var(--ab-blue); color: #fff; padding: 26px 16px 14px; font: 700 17px 'Jost', sans-serif; }
.ab-phone__top small { display: block; font: 500 11px 'Inter', sans-serif; opacity: .8; }
.ab-phone__body { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.ab-phone__match { background: #fff; border-radius: 14px; padding: 10px 12px; box-shadow: 0 2px 8px rgba(0, 0, 0, .05); font-size: 12px; }
.ab-phone__match b { display: flex; justify-content: space-between; font: 600 13px 'Inter', sans-serif; }
.ab-phone__match i { font-style: normal; color: var(--ab-muted); font-size: 11px; }
.ab-phone__live { color: #e02d3c; font-weight: 700; font-size: 10px; letter-spacing: .1em; }
.ab-phone__table { background: #fff; border-radius: 14px; padding: 8px 12px; font-size: 12px; }
.ab-phone__table div { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid var(--ab-line); }
.ab-phone__table div:last-child { border: 0; }

/* Formats / cards */
.ab-grid { display: grid; gap: 24px; }
.ab-grid--3 { grid-template-columns: repeat(3, 1fr); }
.ab-grid--4 { grid-template-columns: repeat(4, 1fr); }
.ab-grid--2 { grid-template-columns: repeat(2, 1fr); }
.ab-card {
    background: #fff; border: 1px solid var(--ab-line); border-radius: var(--ab-radius);
    padding: 32px; transition: transform .2s, box-shadow .2s;
}
.ab-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(20, 30, 70, .08); }
.ab-card h3 { font-size: 24px; margin: 18px 0 10px; }
.ab-card p { color: var(--ab-muted); }
.ab-icon {
    width: 52px; height: 52px; border-radius: 14px; background: var(--ab-blue-soft); color: var(--ab-blue);
    display: inline-flex; align-items: center; justify-content: center; font-size: 26px;
}

/* Pain points */
.ab-pain-lead { text-align: center; color: var(--ab-muted); font-size: 18px; max-width: 760px; margin: -24px auto 48px; }
.ab-pain { text-align: center; }
.ab-pain .ab-icon { background: #fdecee; color: #e02d3c; }

/* Steps */
.ab-step { position: relative; padding-top: 12px; }
.ab-step__no {
    width: 56px; height: 56px; border-radius: 50%; background: var(--ab-blue); color: #fff;
    display: flex; align-items: center; justify-content: center; font: 700 26px 'Jost', sans-serif;
    box-shadow: 0 10px 24px rgba(29, 95, 214, .3);
}
.ab-step h3 { font-size: 24px; margin: 20px 0 10px; }
.ab-step p { color: var(--ab-muted); }

/* Stats */
.ab-stat { text-align: center; }
.ab-stat b { display: block; font: 800 clamp(40px, 5vw, 60px) 'Jost', sans-serif; color: #7fa6ff; line-height: 1.1; }
.ab-stat span { color: #b7c2dc; font-size: 17px; }

/* Testimonials */
.ab-quote { display: flex; flex-direction: column; gap: 20px; }
.ab-quote::before { content: '“'; font: 700 64px/0.6 'Jost', sans-serif; color: var(--ab-blue); }
.ab-quote p { font-size: 17px; color: var(--ab-ink); flex: 1; }
.ab-quote footer { font-weight: 600; font-size: 15px; color: var(--ab-muted); border-top: 1px solid var(--ab-line); padding-top: 16px; }

/* Pricing */
.ab-plan { display: flex; flex-direction: column; position: relative; padding: 36px 32px; }
.ab-plan--pop { border: 2px solid var(--ab-blue); box-shadow: 0 30px 60px rgba(29, 95, 214, .16); }
.ab-plan__badge {
    position: absolute; top: -14px; left: 32px; background: var(--ab-blue); color: #fff;
    font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 5px 14px; border-radius: 999px;
}
.ab-plan h3 { font-size: 20px; letter-spacing: .1em; margin: 0; color: var(--ab-blue); }
.ab-plan__tag { color: var(--ab-muted); margin: 4px 0 20px; }
.ab-plan__price { font: 800 46px 'Jost', sans-serif; line-height: 1; }
.ab-plan__sub { color: var(--ab-muted); font-size: 14px; margin-top: 6px; min-height: 21px; }
.ab-plan__hl { margin: 20px 0 8px; padding: 16px 0; border-top: 1px solid var(--ab-line); border-bottom: 1px solid var(--ab-line); font-weight: 600; }
.ab-plan__hl div { padding: 2px 0; }
.ab-plan ul { list-style: none; margin: 16px 0 28px; padding: 0; flex: 1; }
.ab-plan li { position: relative; padding: 6px 0 6px 28px; font-size: 15px; }
.ab-plan li::before { content: '✓'; position: absolute; left: 0; top: 6px; color: var(--ab-green); font-weight: 700; }

/* Split sections (community / sponsors / about) */
.ab-list { display: grid; gap: 18px; }
.ab-list article { display: flex; gap: 18px; background: #fff; border: 1px solid var(--ab-line); border-radius: 16px; padding: 22px; }
.ab-list article .ab-icon { flex: none; width: 46px; height: 46px; font-size: 22px; }
.ab-list h3 { font-size: 20px; margin-bottom: 4px; }
.ab-list p { color: var(--ab-muted); font-size: 15px; }
.ab-cta-row { text-align: center; margin-top: 44px; }

/* About us */
.ab-about { text-align: center; max-width: 780px; margin: 0 auto; }
.ab-about h2 { font-size: clamp(30px, 4vw, 46px); margin: 18px 0 18px; }
.ab-about p { font-size: 20px; color: var(--ab-muted); }
.ab-about small { display: block; margin-top: 14px; color: var(--ab-muted); }

/* Feature tiles */
.ab-tile { padding: 26px; }
.ab-tile h3 { font-size: 19px; margin: 14px 0 6px; }
.ab-tile p { font-size: 15px; }

/* Closing CTA */
.ab-closing {
    background: linear-gradient(135deg, #1d5fd6, #2f8c73);
    color: #fff;
    text-align: center;
    padding: 88px 0;
}
.ab-closing h2 { color: #fff; font-size: clamp(32px, 4.4vw, 52px); font-weight: 800; }
.ab-closing p { margin: 16px auto 32px; max-width: 620px; font-size: 19px; color: #dfe6ff; }
.ab-closing small { display: block; margin-top: 18px; color: #dfe6ff; }
.ab-closing .ab-btn--light { font-size: 18px; padding: 16px 40px; }

/* Contact form */
.ab-form { max-width: 620px; margin: 0 auto; display: grid; gap: 16px; }
.ab-form label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.ab-form input, .ab-form textarea {
    width: 100%; padding: 14px 16px; border: 1.5px solid var(--ab-line); border-radius: 14px;
    font: 400 16px 'Inter', sans-serif; background: #fff; color: var(--ab-ink);
}
.ab-form input:focus, .ab-form textarea:focus { outline: none; border-color: var(--ab-blue); box-shadow: 0 0 0 4px var(--ab-blue-soft); }
.ab-form textarea { min-height: 150px; resize: vertical; }
.ab-form .validation-message { color: #d32f2f; font-size: 13px; margin-top: 4px; }
.ab-alert { padding: 16px 20px; border-radius: 14px; font-weight: 500; }
.ab-alert--ok { background: #e6f6ec; color: #17693a; }
.ab-alert--err { background: #fdecee; color: #a4222d; }

/* Footer */
.ab-footer { background: var(--ab-dark); color: #b7c2dc; padding: 56px 0 28px; }
.ab-footer__grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.ab-footer .ab-logo { color: #fff; }
.ab-footer a:not(.ab-btn) { color: #b7c2dc; text-decoration: none; display: block; padding: 4px 0; }
.ab-footer a:not(.ab-btn):hover { color: #fff; }
.ab-footer__copy { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 36px; padding-top: 20px; font-size: 14px; }

/* Responsive */
@media (max-width: 960px) {
    .ab-hero__grid { grid-template-columns: 1fr; }
    .ab-phone { transform: none; height: 480px; }
    .ab-grid--3, .ab-grid--2 { grid-template-columns: 1fr; }
    .ab-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .ab-section { padding: 64px 0; }
    .ab-nav__burger { display: flex; }
    .ab-nav__links {
        display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch;
        gap: 0; background: #fff; padding: 12px 24px 20px; border-bottom: 1px solid var(--ab-line);
    }
    .ab-nav__links a:not(.ab-btn) { padding: 12px 0; }
    .ab-nav__toggle:checked ~ .ab-nav__links { display: flex; }
}
@media (max-width: 520px) {
    .ab-container { padding: 0 16px; }
    .ab-grid--4 { grid-template-columns: 1fr; }
    .ab-stats.ab-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .ab-hero__cta .ab-btn { width: 100%; }
}

/* Blog */
.ab-blog-hero { padding: 72px 0 56px; text-align: center; background: radial-gradient(800px 400px at 80% 0%, rgba(168, 130, 255, .18), transparent 60%), #fbfbff; }
.ab-blog-hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; margin: 18px 0 14px; }
.ab-blog-hero p { max-width: 640px; margin: 0 auto; color: var(--ab-muted); font-size: 19px; }

.ab-blog-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--ab-line); border-radius: var(--ab-radius); overflow: hidden; text-decoration: none; color: inherit; transition: transform .2s, box-shadow .2s; }
.ab-blog-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(20, 30, 70, .1); }
.ab-blog-card__media { aspect-ratio: 16 / 9; background: linear-gradient(135deg, #dfe9ff, #ece4ff); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.ab-blog-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.ab-blog-card:hover .ab-blog-card__media img { transform: scale(1.04); }
.ab-blog-card__emoji { font-size: 64px; }
.ab-blog-card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ab-blog-card__body h2 { font-size: 22px; }
.ab-blog-card__body p { color: var(--ab-muted); font-size: 15px; flex: 1; }
.ab-blog-card__more { color: var(--ab-blue); font-weight: 600; font-size: 15px; }

.ab-post { padding: 56px 0 72px; }
.ab-post__wrap { max-width: 800px; }
.ab-post__back { color: var(--ab-blue); text-decoration: none; font-weight: 600; font-size: 15px; }
.ab-post h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; margin: 20px 0 16px; }
.ab-post__lead { font-size: 20px; color: var(--ab-muted); }
.ab-post__cover { width: 100%; border-radius: var(--ab-radius); margin: 32px 0 8px; display: block; max-height: 460px; object-fit: cover; }
.ab-post__body { margin-top: 32px; font-size: 18px; }
.ab-post__body h2 { font-size: 28px; margin: 40px 0 12px; }
.ab-post__body p { margin: 0 0 16px; }
.ab-post__body ul { margin: 0 0 16px; padding-left: 24px; }
.ab-post__body li { margin: 6px 0; }
.ab-post__cta { margin: 48px 0 32px; padding: 32px; border-radius: var(--ab-radius); background: var(--ab-blue-soft); text-align: center; }
.ab-post__cta h3 { font-size: 24px; margin-bottom: 8px; }
.ab-post__cta p { color: var(--ab-muted); margin-bottom: 20px; }
.ab-post__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ab-post__nav a { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--ab-line); border-radius: 16px; text-decoration: none; color: var(--ab-ink); }
.ab-post__nav a:hover { border-color: var(--ab-blue); }
.ab-post__nav small { color: var(--ab-muted); }
.ab-post__nav span { font-weight: 600; }
.ab-post__nav-next { text-align: right; grid-column: 2; }

/* Regulamin i polityka prywatności */
.ab-legal { font-size: 17px; }
.ab-legal h2 { font-size: 24px; }
.ab-legal ol { margin: 0 0 16px; padding-left: 26px; }
.ab-legal ol ol { list-style: lower-alpha; margin: 8px 0 0; }
.ab-legal ul { margin-top: 8px; }
.ab-legal a { color: var(--ab-blue); }
.ab-legal__table-wrap { overflow-x: auto; margin: 0 0 16px; border: 1px solid var(--ab-line); border-radius: 16px; }
.ab-legal__table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
.ab-legal__table th, .ab-legal__table td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--ab-line); }
.ab-legal__table th { background: var(--ab-blue-soft); font-weight: 600; }
.ab-legal__table tr:last-child td { border-bottom: 0; }

@media (max-width: 960px) {
    .ab-post__nav { grid-template-columns: 1fr; }
    .ab-post__nav-next { grid-column: auto; }
}