/* ===================================
   ZAPLECZA SEO v2.0 — Enhanced Template
   Akademia Negocjacji | 17.02.2026
   Upgrade z negocjator.biz.pl (100/100 PS)
   =================================== */

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

:root {
    --color-primary: #1a365d;
    --color-primary-light: #2d4a7c;
    --color-accent: #c9a227;
    --color-accent-hover: #d4af37;
    --color-bg: #f8fafc;
    --color-bg-white: #ffffff;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-success: #059669;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.12);
    --radius: 10px;
    --radius-lg: 16px;
    --max-width: 820px;
    --transition: all 0.25s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* HEADER — sleeker with subtle border */
.header {
    background: var(--color-primary);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--color-accent);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo span { color: var(--color-accent); }
.logo:hover { color: var(--color-accent); }

.nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }

.nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    transition: var(--transition);
    font-weight: 500;
}

.nav a:hover, .nav a.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

/* HERO — gradient with accent stripe */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a5f 40%, var(--color-primary-light) 100%);
    color: #fff;
    padding: 3.5rem 1.5rem 3rem;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), transparent, var(--color-accent));
}

.hero h1 {
    font-size: 2.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    color: #fff;
    font-weight: 800;
}

.hero p {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.65;
}

.hero .badge {
    display: inline-block;
    background: rgba(201,162,39,0.2);
    border: 1px solid rgba(201,162,39,0.4);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* MAIN */
.main {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    width: 100%;
}

/* ARTICLE CARDS on homepage */
.articles-grid, .grid {
    display: grid;
    gap: 1.25rem;
    margin: 2rem 0;
}

.article-card, .card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: var(--transition);
    border-left: 4px solid transparent;
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card:hover, .card:hover {
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-accent);
    transform: translateX(4px);
}

.article-card h3, .card h3 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.article-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.article-card .meta {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    display: flex;
    gap: 1rem;
}

/* ARTICLE — full page */
.article {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 2.5rem;
    margin-bottom: 2rem;
}

.article h1 {
    font-size: 1.9rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
    font-weight: 800;
}

.article h2 {
    font-size: 1.35rem;
    color: var(--color-primary);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    font-weight: 700;
}

.article h3 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin: 1.75rem 0 0.75rem;
    font-weight: 600;
}

.article p { margin-bottom: 1.25rem; }

.article ul, .article ol { margin: 1rem 0 1.5rem 1.5rem; }
.article li { margin-bottom: 0.5rem; }
.article strong { color: var(--color-primary); }

.article a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
    text-underline-offset: 3px;
    transition: var(--transition);
}

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

/* HIGHLIGHT BOX */
.highlight-box {
    background: linear-gradient(135deg, #fefce8, #fef9c3);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.highlight-box strong { color: var(--color-primary); }

/* WEBINAR CTA — noindex */
.webinar-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    margin: 2.5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.webinar-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
}

.webinar-cta h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.webinar-cta .accent { color: var(--color-accent); }

.webinar-cta p {
    margin-bottom: 1.5rem;
    opacity: 0.92;
    font-size: 0.95rem;
}

/* LEAD MAGNET BOX */
.lead-magnet {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.lead-magnet h3 {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.lead-magnet p { margin-bottom: 1.5rem; opacity: 0.93; }

/* CTA BUTTON */
.btn {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 0.9rem 2.25rem;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    letter-spacing: 0.3px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--color-accent-hover);
}

.btn:active { transform: translateY(0); }

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

/* PRODUCTS BOX */
.products-box {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.products-box h3 {
    color: var(--color-primary);
    font-size: 1.05rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.products-box ul { list-style: none; margin: 0; padding: 0; }

.products-box li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.products-box li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.products-box a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.products-box a:hover { color: var(--color-accent); text-decoration: underline; }

/* READING TIME + META */
.article-meta {
    display: flex;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

/* BREADCRUMBS */
.breadcrumbs {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.breadcrumbs a { color: var(--color-text-light); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-primary); }

/* TABLE OF CONTENTS */
.toc {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0 2rem;
}

.toc h4 {
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.toc ol { margin: 0 0 0 1.25rem; padding: 0; }
.toc li { margin-bottom: 0.4rem; font-size: 0.9rem; }
.toc a { color: var(--color-primary); text-decoration: none; }
.toc a:hover { color: var(--color-accent); }

/* AUTHOR BOX */
.author-box {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin: 2rem 0;
    border: 1px solid var(--color-border);
}

.author-box .initials {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.author-box .info { font-size: 0.9rem; }
.author-box .name { font-weight: 700; color: var(--color-primary); }
.author-box .title { color: var(--color-text-light); font-size: 0.8rem; }

/* FOOTER */
.footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.7);
    padding: 2rem 0;
    margin-top: auto;
    border-top: 3px solid var(--color-accent);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.footer-links { margin-bottom: 1rem; }

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin: 0 0.75rem;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--color-accent); }
.footer-copy { font-size: 0.8rem; opacity: 0.7; }

/* RESPONSIVE */
@media (max-width: 640px) {
    .hero { padding: 2.5rem 1.25rem 2rem; }
    .hero h1 { font-size: 1.6rem; }
    .header-inner { flex-direction: column; text-align: center; }
    .nav { justify-content: center; }
    .article { padding: 1.5rem; }
    .article h1 { font-size: 1.5rem; }
    .lead-magnet, .webinar-cta { padding: 1.5rem; }
    .btn { padding: 0.875rem 2rem; font-size: 1rem; }
    .author-box { flex-direction: column; text-align: center; }
}

/* UTILITY */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }