/* =========================================================
   Kredomat.pl — global stylesheet
   Design system: skills/design/SKILL.md
   Mobile-first, BEM naming, 8px spacing grid
   ========================================================= */

:root {
    --color-primary: #1B4FD8;
    --color-primary-dark: #1340B0;
    --color-secondary: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;

    --color-bg: #F9FAFB;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-text: #111827;
    --color-text-muted: #6B7280;

    --font-base: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;
    --space-8: 64px;

    --radius-sm: 8px;
    --radius-md: 12px;

    --shadow-card: 0 1px 3px rgba(17, 24, 39, 0.06), 0 1px 2px rgba(17, 24, 39, 0.04);
    --shadow-card-hover: 0 10px 20px rgba(17, 24, 39, 0.08), 0 4px 8px rgba(17, 24, 39, 0.04);

    --container-max: 1200px;
}

/* --- Reset ----------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

body, h1, h2, h3, h4, p, ul, figure, dl, dt, dd {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-dark);
}

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

button {
    font: inherit;
    cursor: pointer;
    border: 0;
    background: transparent;
}

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

body {
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

h1 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
}

small, .text-small {
    font-size: 14px;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 24px; }
}

/* --- Layout ---------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-2);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
}

/* =========================================================
   Header + Navigation
   ========================================================= */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: var(--space-2);
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.site-header__logo:hover {
    color: var(--color-text);
}

.site-header__logo-mark {
    color: var(--color-primary);
}

.site-header__logo-text {
    color: var(--color-text);
}

/* Mobile nav toggle */
.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 24px;
    padding: 0;
}

.nav-toggle__bar {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* Mobile menu: hidden by default, shown when expanded */
.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}

.main-nav.is-open {
    display: block;
}

.main-nav__list {
    display: flex;
    flex-direction: column;
    padding: var(--space-1) 0;
}

.main-nav__link {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--color-text);
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

.main-nav__link:hover {
    color: var(--color-primary);
    background-color: var(--color-bg);
}

.main-nav__list > li:last-child .main-nav__link {
    border-bottom: 0;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .main-nav {
        display: block;
        position: static;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .main-nav__list {
        flex-direction: row;
        gap: var(--space-1);
        padding: 0;
    }

    .main-nav__link {
        padding: var(--space-1) var(--space-2);
        border-bottom: 0;
        border-radius: var(--radius-sm);
    }
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    padding: var(--space-4) 0 var(--space-3);
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero .container {
    text-align: left;
}

.hero__title {
    display: block;
    width: 100%;
    max-width: none;
    margin-bottom: var(--space-2);
}

.hero__subtitle {
    display: block;
    width: 100%;
    max-width: none;
    color: var(--color-text-muted);
    font-size: 16px;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--space-8) 0 var(--space-6);
    }

    .hero__subtitle {
        font-size: 18px;
    }
}

/* =========================================================
   Category cards
   ========================================================= */
.categories {
    padding: var(--space-4) 0 var(--space-6);
}

.categories__title {
    margin-bottom: var(--space-3);
}

.categories__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
}

@media (min-width: 768px) {
    .categories {
        padding: var(--space-6) 0 var(--space-8);
    }

    .categories__title {
        margin-bottom: var(--space-4);
    }

    .categories__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-3);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    color: var(--color-text);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.category-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-1);
    border-radius: var(--radius-sm);
    background-color: rgba(27, 79, 216, 0.08);
    color: var(--color-primary);
}

.category-card__icon svg {
    width: 24px;
    height: 24px;
}

.category-card__title {
    font-size: 20px;
    font-weight: 600;
}

.category-card__desc {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

.category-card__cta {
    margin-top: var(--space-1);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
}

/* =========================================================
   Page intro (category pages)
   ========================================================= */
.page-intro {
    padding: var(--space-3) 0 var(--space-2);
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
    border-bottom: 1px solid var(--color-border);
}


.breadcrumbs {
    margin-bottom: var(--space-2);
    font-size: 13px;
    color: var(--color-text-muted);
}

.breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumbs__list li + li::before {
    content: "/";
    margin-right: var(--space-1);
    color: var(--color-border);
}

.breadcrumbs a {
    color: var(--color-text-muted);
}

.breadcrumbs a:hover {
    color: var(--color-primary);
}

.page-intro__title {
    margin-bottom: var(--space-2);
}

.page-intro__lead {
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.page-intro__meta {
    font-size: 13px;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .page-intro {
        padding: var(--space-6) 0 var(--space-3);
    }
}

/* =========================================================
   Affiliate notice (mandatory above offers)
   ========================================================= */
.affiliate-notice {
    margin: var(--space-3) 0;
    padding: var(--space-2);
    background-color: #FFFBEB;
    border: 1px solid #FDE68A;
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.5;
    color: #78350F;
}

/* Active nav link */
.main-nav__link--active {
    color: var(--color-primary);
    font-weight: 600;
}

/* =========================================================
   Offer card — chwilówki style
   ========================================================= */
.offers {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: 0 0 var(--space-6);
}

.offer-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.offer-card--featured {
    border-color: #1e293b;
}

.offer-card__banner {
    padding: var(--space-1) var(--space-3);
    background-color: #1e293b;
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

@media (min-width: 768px) {
    .offer-card__banner {
        padding: var(--space-1) var(--space-4);
    }
}

.offer-card__body {
    padding: var(--space-3);
}

@media (min-width: 768px) {
    .offer-card__body {
        padding: var(--space-3) var(--space-4);
    }
}

.offer-card__head {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.offer-card__brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
}

.offer-card__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 120px;
    height: 48px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-weight: 700;
    color: var(--color-primary);
    font-size: 18px;
    letter-spacing: -0.02em;
    overflow: hidden;
}

.offer-card__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px 10px;
}

@media (min-width: 768px) {
    .offer-card__logo {
        width: 140px;
        height: 56px;
        font-size: 20px;
    }

    .offer-card__logo img {
        padding: 8px 12px;
    }
}

.offer-card__brand-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
    min-width: 0;
}

.offer-card__name {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0;
}

@media (min-width: 768px) {
    .offer-card__name {
        font-size: 20px;
    }
}

.offer-card__action {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
}

/* Mobile: CTA moves below params and spans full width */
@media (max-width: 767px) {
    .offer-card__body {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .offer-card__head {
        display: contents;
    }

    .offer-card__brand { order: 1; }
    .offer-card__params { order: 2; padding-top: 0; border-top: 0; }
    .offer-card__action { order: 3; width: 100%; }

    .offer-card__action .btn--cta {
        width: 100%;
        padding: 14px 20px;
        font-size: 15px;
    }
}

@media (min-width: 768px) {
    .offer-card__head {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .offer-card__action {
        align-items: flex-end;
    }
}

/* Params grid */
.offer-card__params {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .offer-card__params {
        grid-template-columns: repeat(4, minmax(0, 180px));
        gap: var(--space-3);
        justify-content: start;
    }
}

.param {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
}

.param__label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.param__value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.param__value--positive {
    color: var(--color-secondary);
}

.param__value--warning {
    color: var(--color-warning);
}

.param__value--danger {
    color: var(--color-danger);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px var(--space-1);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    line-height: 1.2;
}

.badge--success {
    background-color: rgba(16, 185, 129, 0.12);
    color: #047857;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn--cta {
    background-color: var(--color-secondary);
    color: #FFFFFF;
}

.btn--cta:hover {
    background-color: #0EA371;
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* Details: pros/cons toggle */
.offer-card__details {
    border-top: 1px solid var(--color-border);
}

.offer-card__details > summary {
    padding: var(--space-2) var(--space-3);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
}

@media (min-width: 768px) {
    .offer-card__details > summary {
        padding: var(--space-2) var(--space-4);
    }
}

.offer-card__details > summary::-webkit-details-marker {
    display: none;
}

.offer-card__details > summary::before {
    content: "▸";
    display: inline-block;
    margin-right: var(--space-1);
    transition: transform 0.15s ease;
}

.offer-card__details[open] > summary::before {
    transform: rotate(90deg);
}

.offer-card__details[open] > summary {
    border-bottom: 1px solid var(--color-border);
}

.prosncons {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding: var(--space-3);
}

@media (min-width: 768px) {
    .prosncons {
        padding: var(--space-3) var(--space-4);
    }
}

@media (min-width: 640px) {
    .prosncons {
        grid-template-columns: 1fr 1fr;
    }
}

.prosncons__col {
    text-align: left;
}

.prosncons__title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-1);
}

.prosncons__title--pros {
    color: #047857;
}

.prosncons__title--cons {
    color: #B91C1C;
}

.prosncons__list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
    line-height: 1.5;
}

.prosncons__list li {
    position: relative;
    padding-left: 20px;
}

.prosncons__title--pros + .prosncons__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

.prosncons__title--cons + .prosncons__list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: var(--color-danger);
    font-weight: 700;
}

.rep-example {
    padding: 0 var(--space-3) var(--space-3);
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .rep-example {
        padding: 0 var(--space-4) var(--space-3);
    }
}

/* =========================================================
   FAQ
   ========================================================= */
.faq {
    margin: 0 0 var(--space-6);
}

.faq__title {
    margin-bottom: var(--space-3);
}

.faq__item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-1);
}

.faq__item[open] {
    border-color: var(--color-primary);
}

.faq__question {
    padding: var(--space-2);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: var(--space-4);
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: "+";
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--color-primary);
    font-weight: 400;
    line-height: 1;
    transition: transform 0.15s ease;
}

.faq__item[open] .faq__question::after {
    content: "−";
}

.faq__answer {
    padding: 0 var(--space-2) var(--space-2);
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* =========================================================
   Legal block (bottom of category page)
   ========================================================= */
.legal-block {
    margin: 0 0 var(--space-6);
    padding: var(--space-3);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.legal-block__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.legal-block__text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.legal-block__disclaimer {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text-muted);
    font-style: italic;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
    padding: var(--space-4) 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.site-footer__disclaimer {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.site-footer__copy {
    font-size: 13px;
    color: var(--color-text-muted);
}