/* ===================================================================
   MoneyPlatform Partner Portal — Styles
   Font: Plus Jakarta Sans
   Accent: #4A90D9 (soft blue), #1B3A5C (dark blue)
   =================================================================== */

:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b7280;
    --color-accent: #4A90D9;
    --color-accent-dark: #1B3A5C;
    --color-accent-light: #e8f0fb;
    --color-border: #e5e7eb;
    --color-card-bg: #ffffff;
    --color-section-alt: #f9fafb;
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --radius: 12px;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 2px 8px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.06);
    --max-width: 1200px;
    --transition: 0.2s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

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

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
}

/* ==================================================================
   Header
   ================================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
}

.header__logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent-dark);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.header__nav {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 15px;
    font-weight: 500;
}

.header__nav a {
    transition: color var(--transition);
}

.header__nav a:hover {
    color: var(--color-accent);
}

.header__lang {
    padding: 4px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.header__lang:hover {
    border-color: var(--color-accent);
    color: var(--color-accent) !important;
}

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ==================================================================
   Hero
   ================================================================== */
.hero {
    padding: 80px 0 64px;
    text-align: center;
}

.hero__title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-accent-dark);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero__subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================================================================
   Sections
   ================================================================== */
.section {
    padding: 64px 0;
}

.section--alt {
    background: var(--color-section-alt);
}

.section__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
}

.section__title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent-dark);
}

.section__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-accent);
    white-space: nowrap;
}

.section__link:hover {
    text-decoration: underline;
}

/* ==================================================================
   Cards Grid
   ================================================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--color-card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-accent-light);
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -1px;
}

.card__image--video {
    color: var(--color-accent-dark);
}

.card__duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.75);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.card__body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card__date {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.card__title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
}

.card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    flex: 1;
}

.card__link {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
}

/* ==================================================================
   Subscribe
   ================================================================== */
.subscribe {
    padding: 64px 0;
}

.subscribe__card {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 32px;
    border-radius: var(--radius);
    background: var(--color-section-alt);
}

.subscribe__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent-dark);
    margin-bottom: 8px;
}

.subscribe__subtitle {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.subscribe__form {
    display: flex;
    gap: 12px;
    max-width: 420px;
    margin: 0 auto;
}

.subscribe__input {
    flex: 1;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font);
    font-size: 15px;
    outline: none;
    transition: border-color var(--transition);
}

.subscribe__input:focus {
    border-color: var(--color-accent);
}

.subscribe__btn {
    padding: 12px 24px;
    white-space: nowrap;
}

.subscribe__message {
    margin-top: 12px;
    font-size: 14px;
    min-height: 20px;
}

.subscribe__message--ok { color: #16a34a; }
.subscribe__message--err { color: #dc2626; }

/* ==================================================================
   Page List
   ================================================================== */
.page-list {
    padding-top: 48px;
}

.page-list__title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-accent-dark);
    margin-bottom: 32px;
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
}

.pagination__btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    transition: all var(--transition);
}

.pagination__btn:hover {
    background: var(--color-accent);
    color: #fff;
}

.pagination__info {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ==================================================================
   Article Page
   ================================================================== */
.article-page {
    padding: 32px 0 80px;
}

.article-page__top,
.video-page__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.back-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.back-link:hover { color: var(--color-accent); }

.lang-switch {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    padding: 6px 14px;
    border: 1.5px solid var(--color-accent);
    border-radius: 6px;
    transition: all var(--transition);
}

.lang-switch:hover {
    background: var(--color-accent);
    color: #fff;
}

.article-page__cover {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 32px;
}

.article-page__header {
    margin-bottom: 40px;
}

.article-page__header h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-accent-dark);
    margin-bottom: 12px;
}

.article-page__meta {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.article-page__layout {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

/* ---- Table of Contents ---- */
.toc {
    position: sticky;
    top: 80px;
    width: 220px;
    flex-shrink: 0;
    display: none;
}

.toc__title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.toc__link {
    display: block;
    font-size: 13px;
    line-height: 1.4;
    padding: 4px 0;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.toc__link:hover { color: var(--color-accent); }
.toc__link--3 { padding-left: 16px; }
.toc__link--4 { padding-left: 32px; }

/* Show TOC on wide screens */
@media (min-width: 1024px) {
    .toc { display: block; }
}

/* ---- Prose ---- */
.prose {
    flex: 1;
    min-width: 0;
    max-width: 720px;
}

.prose h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--color-accent-dark);
}

.prose h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 32px 0 12px;
}

.prose h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 8px;
}

.prose p {
    margin-bottom: 16px;
}

.prose ul, .prose ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.prose li {
    margin-bottom: 6px;
}

.prose blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--color-section-alt);
    border-radius: 0 8px 8px 0;
    color: var(--color-text-secondary);
}

.prose code {
    font-size: 14px;
    background: var(--color-section-alt);
    padding: 2px 6px;
    border-radius: 4px;
}

.prose pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.5;
}

.prose pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.prose img {
    border-radius: 8px;
    margin: 24px 0;
}

.prose a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose a:hover {
    color: var(--color-accent-dark);
}

/* ==================================================================
   Video Page
   ================================================================== */
.video-page {
    padding: 32px 0 80px;
}

.video-page__header {
    margin-bottom: 24px;
}

.video-page__header h1 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-accent-dark);
    margin-bottom: 8px;
}

.video-page__meta {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.video-page__duration {
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 600;
}

.video-page__player {
    position: relative;
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16 / 9;
    margin-bottom: 32px;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
}

.video-page__player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ==================================================================
   Footer
   ================================================================== */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
}

.footer__inner {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.footer__inner a {
    color: var(--color-accent);
}

.footer__inner a:hover {
    text-decoration: underline;
}

/* ==================================================================
   Mobile
   ================================================================== */
@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    }

    .header__nav.is-open {
        display: flex;
    }

    .header__burger {
        display: flex;
    }

    .hero {
        padding: 48px 0 40px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .subscribe__form {
        flex-direction: column;
    }

    .article-page__layout {
        flex-direction: column;
    }

    .article-page__top,
    .video-page__top {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 40px 0;
    }

    .subscribe__card {
        padding: 32px 20px;
    }
}