/*
Theme Name: Biznes-Trening
Theme URI: https://biznes-trening.pl
Author: Riomega
Description: Corporate motyw dla ośrodka szkoleniowego dla menedżerów. Granat + warm gold, serif heading, sans body. SEO-ready z RankMath, plugin Riomega Author Box compat.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9.4
Requires PHP: 8.0
License: GPL-2.0
Text Domain: theme-biznes-trening
*/

:root {
  --c-navy:        #0d2240;
  --c-navy-deep:   #08182d;
  --c-gold:        #b8923f;
  --c-gold-soft:   #d4b56a;
  --c-cream:       #fbf8f1;
  --c-paper:       #ffffff;
  --c-ink:         #15243a;
  --c-ink-soft:    #4a5870;
  --c-line:        #e3dccd;
  --c-line-soft:   #efeae0;

  --f-serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --f-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-mono:  "JetBrains Mono", "SF Mono", Consolas, monospace;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;

  --container: 1240px;
  --container-narrow: 820px;

  --rab-accent: var(--c-gold);
}

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

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

body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-paper);
  font-feature-settings: "kern", "liga", "ss01";
}

/* === Typography === */
h1, h2, h3, h4, h5 {
  font-family: var(--f-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-navy);
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 2.8vw, 2.3rem); margin-top: 1.6em; }
h3 { font-size: clamp(1.25rem, 1.6vw, 1.45rem); margin-top: 1.4em; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1.1em; }
a { color: var(--c-navy); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color .15s; }
a:hover { color: var(--c-gold); }

strong, b { font-weight: 600; color: var(--c-navy); }
small { font-size: 0.875rem; color: var(--c-ink-soft); }

blockquote {
  border-left: 3px solid var(--c-gold);
  margin: 1.8em 0;
  padding: 0.2em 0 0.2em 1.4em;
  font-family: var(--f-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--c-navy);
}

ul, ol { padding-left: 1.4em; margin: 0 0 1.2em; }
li { margin-bottom: 0.4em; }

hr { border: 0; border-top: 1px solid var(--c-line); margin: 2.2em 0; }

img { max-width: 100%; height: auto; display: block; }
figure { margin: 1.8em 0; }
figcaption { font-size: 0.875rem; color: var(--c-ink-soft); margin-top: 0.5em; text-align: center; }

/* === Layout helpers === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--dark { background: var(--c-navy); color: var(--c-cream); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--cream { background: var(--c-cream); }

.eyebrow {
  display: inline-block;
  font-family: var(--f-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 1em;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 14px 28px;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--r-sm);
  border: 1.5px solid transparent;
  transition: all 0.18s ease;
  cursor: pointer;
}
.btn--primary { background: var(--c-navy); color: #fff; }
.btn--primary:hover { background: var(--c-gold); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-navy); border-color: var(--c-navy); }
.btn--ghost:hover { background: var(--c-navy); color: #fff; }
.btn--gold { background: var(--c-gold); color: #fff; }
.btn--gold:hover { background: var(--c-navy); }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn--ghost-light:hover { background: #fff; color: var(--c-navy); border-color: #fff; }

/* === Header === */
.site-header {
  background: var(--c-paper);
  border-bottom: 1px solid var(--c-line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(6px);
  background: rgba(255,255,255,0.94);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.site-logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--c-navy); }
.site-logo__mark { width: 38px; height: 38px; }
.site-logo__name {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--c-navy);
  line-height: 1;
}
.site-logo__tag {
  display: block;
  font-family: var(--f-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-top: 4px;
}

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--c-ink);
  padding: 8px 14px;
  border-radius: var(--r-sm);
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--c-gold); background: transparent; }
.site-nav .current-menu-item > a,
.site-nav .current_page_item > a { color: var(--c-navy); font-weight: 600; }
.site-nav__cta { margin-left: 16px; }

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  color: var(--c-navy);
}

@media (max-width: 880px) {
  .menu-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 24px; border-bottom: 1px solid var(--c-line); box-shadow: 0 8px 24px rgba(13,34,64,0.08); gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--c-line-soft); }
  .site-nav__cta { margin: 12px 0 0; }
}

/* === Hero === */
.hero {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-deep) 100%);
  color: var(--c-cream);
  padding: 110px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(184,146,63,0.18) 0%, transparent 60%);
  pointer-events: none;
}
.hero__inner { max-width: 900px; position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: clamp(2.4rem, 4.6vw, 3.8rem); margin-bottom: 0.4em; }
.hero__lead {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: 2em;
  max-width: 680px;
  line-height: 1.55;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* === Trust strip === */
.trust-strip {
  background: var(--c-cream);
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.trust-strip__item .num {
  display: block;
  font-family: var(--f-serif);
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1;
}
.trust-strip__item .label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  margin-top: 6px;
  letter-spacing: 0.04em;
}
@media (max-width: 720px) { .trust-strip__grid { grid-template-columns: repeat(2, 1fr); } }

/* === Training cards (offer) === */
.training-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.training-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.training-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-gold);
  box-shadow: 0 18px 40px rgba(13,34,64,0.08);
}
.training-card__icon {
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-cream);
  color: var(--c-gold);
  border-radius: var(--r-sm);
  margin-bottom: 22px;
}
.training-card h3 { margin-top: 0; font-size: 1.25rem; }
.training-card p { color: var(--c-ink-soft); margin-bottom: 1em; }
.training-card__meta {
  display: flex; gap: 16px;
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  border-top: 1px solid var(--c-line-soft);
  padding-top: 16px;
  margin-top: 16px;
}
.training-card__meta strong { color: var(--c-navy); }

/* === Two-column section === */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split__img { border-radius: var(--r-md); overflow: hidden; box-shadow: 0 24px 50px rgba(13,34,64,0.12); }
.split__img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }

/* === Bullets check === */
.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 32px; position: relative; margin-bottom: 12px; }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 6px;
  width: 18px; height: 18px;
  background-color: var(--c-gold);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='currentColor' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='currentColor' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>") center/contain no-repeat;
}

/* === Testimonial === */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.testimonial {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-gold);
  padding: 28px 26px;
  border-radius: var(--r-md);
}
.testimonial__quote {
  font-family: var(--f-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--c-navy);
  margin-bottom: 18px;
}
.testimonial__author { font-size: 0.9rem; }
.testimonial__author .who { font-weight: 600; color: var(--c-navy); }
.testimonial__author .role { display: block; color: var(--c-ink-soft); font-size: 0.85rem; }

/* === FAQ === */
.faq { border-top: 1px solid var(--c-line); }
.faq details {
  border-bottom: 1px solid var(--c-line);
  padding: 22px 0;
}
.faq summary {
  cursor: pointer;
  font-family: var(--f-serif);
  font-size: 1.15rem;
  color: var(--c-navy);
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 40px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: -2px;
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--c-gold);
  transition: transform 0.2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-top: 14px; color: var(--c-ink-soft); }

/* === CTA banner === */
.cta-banner {
  background: linear-gradient(120deg, var(--c-navy) 0%, var(--c-navy-deep) 100%);
  color: var(--c-cream);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 0.4em; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 680px; margin: 0 auto 1.8em; }

/* === Blog grid === */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 32px;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.post-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(13,34,64,0.08); }
.post-card__thumb {
  aspect-ratio: 16/10;
  background: var(--c-cream);
  overflow: hidden;
}
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.post-card__cat {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold);
  text-decoration: none;
  margin-bottom: 10px;
}
.post-card h3 { font-size: 1.15rem; margin: 0 0 12px; line-height: 1.3; }
.post-card h3 a { color: var(--c-navy); text-decoration: none; }
.post-card h3 a:hover { color: var(--c-gold); }
.post-card__excerpt { color: var(--c-ink-soft); font-size: 0.95rem; flex: 1; margin-bottom: 14px; }
.post-card__meta { font-size: 0.82rem; color: var(--c-ink-soft); border-top: 1px solid var(--c-line-soft); padding-top: 12px; }

/* === Single post === */
.single-article { padding: 56px 0 80px; }
.single-article__header {
  max-width: var(--container-narrow);
  margin: 0 auto 32px;
  padding: 0 24px;
  text-align: center;
}
.single-article__meta { font-size: 0.85rem; color: var(--c-ink-soft); margin-bottom: 14px; }
.single-article__meta a { color: var(--c-gold); text-decoration: none; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.78rem; }
.single-article__featured {
  max-width: var(--container);
  margin: 0 auto 48px;
  padding: 0 24px;
}
.single-article__featured img { width: 100%; border-radius: var(--r-md); aspect-ratio: 16/9; object-fit: cover; }
.single-article__content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 1.05rem;
  line-height: 1.75;
}
.single-article__content h2 { margin-top: 1.6em; }
.single-article__content figure { margin: 2em -40px; }
@media (max-width: 720px) { .single-article__content figure { margin: 1.5em 0; } }

/* === Breadcrumbs === */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.breadcrumbs a { color: var(--c-ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--c-gold); }
.breadcrumbs .sep { margin: 0 8px; color: var(--c-line); }

/* === Pagination === */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 56px 0 0; }
.pagination a, .pagination span {
  padding: 10px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--c-navy);
  font-size: 0.9rem;
  font-weight: 500;
}
.pagination a:hover { border-color: var(--c-gold); color: var(--c-gold); }
.pagination .current { background: var(--c-navy); color: #fff; border-color: var(--c-navy); }

/* === Footer === */
.site-footer {
  background: var(--c-navy-deep);
  color: rgba(255,255,255,0.78);
  padding: 64px 0 28px;
  font-size: 0.95rem;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 880px) { .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-family: var(--f-sans); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,0.78); text-decoration: none; }
.site-footer a:hover { color: var(--c-gold); }
.site-footer__brand { font-family: var(--f-serif); font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.site-footer__about { color: rgba(255,255,255,0.6); font-size: 0.92rem; line-height: 1.6; max-width: 320px; }
.site-footer__sale {
  margin-top: 18px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  font-style: italic;
}
.site-footer__sale a { color: var(--c-gold-soft); text-decoration: underline; text-underline-offset: 3px; }
.site-footer__bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 16px;
}

/* === Page templates === */
.page-hero {
  background: var(--c-cream);
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--c-line);
  text-align: center;
}
.page-hero h1 { margin-bottom: 0.4em; }
.page-hero__lead { max-width: 680px; margin: 0 auto; font-size: 1.1rem; color: var(--c-ink-soft); }

.page-content { padding: 64px 0; }
.page-content--narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 64px 24px; }

/* === Forms (CF7) === */
.wpcf7 { max-width: 620px; margin: 0 auto; }
.wpcf7 label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--c-navy); margin-bottom: 6px; }
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 textarea,
.wpcf7 select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--f-sans);
  font-size: 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--c-ink);
  margin-bottom: 18px;
  transition: border-color 0.15s;
}
.wpcf7 input:focus, .wpcf7 textarea:focus { outline: 0; border-color: var(--c-gold); }
.wpcf7 textarea { min-height: 140px; resize: vertical; }
.wpcf7 input[type="submit"] {
  background: var(--c-navy); color: #fff; padding: 14px 32px; border: 0; border-radius: var(--r-sm);
  font-weight: 600; cursor: pointer; transition: background 0.15s;
}
.wpcf7 input[type="submit"]:hover { background: var(--c-gold); }

/* === Sidebar (single) === */
.single-aside {
  background: var(--c-cream);
  border-left: 3px solid var(--c-gold);
  padding: 24px 26px;
  margin: 2em 0;
  font-size: 0.95rem;
}
.single-aside strong { display: block; color: var(--c-navy); font-family: var(--f-serif); font-size: 1.1rem; margin-bottom: 8px; }

/* === Domain-sale CTA (discreet) === */
.domain-sale-strip {
  background: var(--c-navy);
  color: rgba(255,255,255,0.92);
  padding: 14px 0;
  text-align: center;
  font-size: 0.92rem;
}
.domain-sale-strip a { color: var(--c-gold-soft); text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }

/* === Utilities === */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.section-title { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-title .eyebrow { margin-bottom: 1em; }
.section-title p { color: var(--c-ink-soft); font-size: 1.05rem; }

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-cream);
  color: var(--c-navy);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 100px;
  margin: 2px;
  text-decoration: none;
}
.tag:hover { background: var(--c-gold); color: #fff; }

/* === Screen reader only === */
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* === WP alignment === */
.alignleft  { float: left;  margin: 0 24px 16px 0; }
.alignright { float: right; margin: 0 0 16px 24px; }
.aligncenter { display: block; margin: 0 auto; }
.alignwide   { max-width: 1100px; margin-left: auto; margin-right: auto; }
.alignfull   { width: 100vw; margin-left: calc(50% - 50vw); }