/*
 Theme Name:   BKW Child
 Theme URI:    https://balkonkraftwerk.webizeo.de
 Description:  Kadence Child Theme für die Balkonkraftwerk Affiliate-Seite
 Author:       webizeo
 Template:     kadence
 Version:      1.0.0
 Text Domain:  bkw-child
*/

/* =====================================================
   BKW Design System — WebApp-ähnliches UI
   Farbpalette: Weiß / Amber / Dunkelblau-Grau
   ===================================================== */

:root {
  /* Brand Colors */
  --bkw-primary:      #10B981;   /* Emerald 500 — Solar-Grün */
  --bkw-primary-dark: #059669;   /* Emerald 600 */
  --bkw-primary-soft: #D1FAE5;   /* Emerald 100 */
  --bkw-dark:         #0F172A;   /* Slate 900 */
  --bkw-dark-mid:     #1E293B;   /* Slate 800 */
  --bkw-mid:          #475569;   /* Slate 600 */
  --bkw-light:        #F1F5F9;   /* Slate 100 */
  --bkw-border:       #E2E8F0;   /* Slate 200 */
  --bkw-white:        #FFFFFF;
  --bkw-green:        #10B981;   /* Emerald 500 — CO2/Eco */
  --bkw-green-soft:   #D1FAE5;   /* Emerald 100 */

  /* Typography */
  --bkw-font:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bkw-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing / Shape */
  --bkw-radius:  12px;
  --bkw-radius-lg: 20px;
  --bkw-shadow:  0 4px 24px rgba(0, 0, 0, .07);
  --bkw-shadow-lg: 0 12px 48px rgba(0, 0, 0, .12);

  /* Override Kadence defaults */
  --global-palette1: #10B981;
  --global-palette2: #059669;
  --global-palette3: #0F172A;
  --global-palette6: #475569;
  --global-palette7: #F1F5F9;
  --global-palette8: #FFFFFF;
}

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

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

body {
  font-family: var(--bkw-font);
  color: var(--bkw-dark);
  background: var(--bkw-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== Google Fonts — Inter (Self-hosted für DSGVO) ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--bkw-font);
  font-weight: 700;
  line-height: 1.2;
  color: var(--bkw-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }

p { margin-bottom: 1.25em; }

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

/* ===== Header ===== */
.site-header,
#masthead {
  background: var(--bkw-white);
  border-bottom: 1px solid var(--bkw-border);
  box-shadow: 0 1px 12px rgba(0,0,0,.04);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.bkw-logo {
  display: flex;
  align-items: center;
  gap: .45rem;
  text-decoration: none;
  color: var(--bkw-dark);
  flex-shrink: 0;
}
.bkw-logo__icon { font-size: 1.4rem; line-height: 1; }
.bkw-logo__name { font-size: 1rem; font-weight: 800; letter-spacing: -.01em; color: var(--bkw-dark); }
.bkw-logo:hover .bkw-logo__name { color: var(--bkw-primary); }

/* ===== Hamburger ===== */
.bkw-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  color: var(--bkw-dark);
  line-height: 0;
}

/* ===== Mobile Menu ===== */
.bkw-mobile-menu {
  display: none;
  background: var(--bkw-white);
  border-top: 1px solid var(--bkw-border);
  padding: 1rem 1.5rem 1.5rem;
}
.bkw-mobile-menu.is-open { display: block; }
.bkw-mobile-menu__list { list-style: none; padding: 0; margin: 0; }
.bkw-mobile-menu__list li { border-bottom: 1px solid var(--bkw-border); }
.bkw-mobile-menu__list li a {
  display: block;
  padding: .9rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--bkw-dark);
  text-decoration: none;
}
.bkw-mobile-menu__list li a:hover { color: var(--bkw-primary); }
.bkw-mobile-menu__list li.menu-item--cta a {
  color: var(--bkw-primary);
  font-weight: 700;
}

@media (max-width: 768px) {
  .main-navigation { display: none; }
  .bkw-hamburger { display: flex; }
}

/* ===== Navigation ===== */
.main-navigation .primary-menu {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: .25rem;
}
.main-navigation .primary-menu li { list-style: none; }

.main-navigation a,
.primary-menu a {
  font-weight: 500;
  font-size: .9rem;
  letter-spacing: .01em;
  color: var(--bkw-dark-mid);
  transition: color .15s;
  padding: .4rem .6rem;
  display: block;
}
.main-navigation a:hover { color: var(--bkw-primary); }
.main-navigation .current-menu-item > a { color: var(--bkw-primary); }

/* Nav CTA Button */
.menu-item--cta > a {
  background: var(--bkw-primary);
  color: #fff !important;
  padding: .5rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  transition: background .15s, transform .1s;
}
.menu-item--cta > a:hover { background: var(--bkw-primary-dark); transform: translateY(-1px); }

/* ===== Hero Section ===== */
.bkw-hero {
  background: linear-gradient(135deg, var(--bkw-dark) 0%, #1a3040 60%, #0d4f3c 100%);
  color: #fff;
  padding: 6rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.bkw-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(16,185,129,.15) 0%, transparent 60%);
}
.bkw-hero__badge {
  display: inline-block;
  background: var(--bkw-primary-soft);
  color: var(--bkw-primary-dark);
  padding: .35rem 1rem;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 1.25rem;
}
.bkw-hero h1 {
  color: #fff;
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  max-width: 800px;
  margin: 0 auto .75rem;
}
.bkw-hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.8);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}
.bkw-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--bkw-primary);
  color: #fff;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  transition: background .15s, transform .12s;
  box-shadow: 0 4px 20px rgba(16,185,129,.4);
}
.bkw-hero__cta:hover { background: var(--bkw-primary-dark); transform: translateY(-2px); color: #fff; }

/* ===== Product Cards ===== */
.bkw-product-card {
  background: var(--bkw-white);
  border: 1.5px solid var(--bkw-border);
  border-radius: var(--bkw-radius);
  padding: 1.5rem;
  transition: box-shadow .2s, border-color .2s, transform .15s;
  position: relative;
}
.bkw-product-card:hover {
  box-shadow: var(--bkw-shadow);
  border-color: var(--bkw-primary);
  transform: translateY(-3px);
}
.bkw-product-card__overlay-link {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: var(--bkw-radius);
}
.bkw-product-card__badge,
.bkw-product-card__cta {
  position: relative;
  z-index: 1;
}
.bkw-product-card__badge {
  position: absolute;
  top: -.7rem;
  left: 1rem;
  background: var(--bkw-primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .65rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.bkw-product-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: #fff;
  border-radius: var(--bkw-radius);
  margin-bottom: 1rem;
}
.bkw-product-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.bkw-product-card__price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--bkw-dark);
}
.bkw-product-card__price-live { color: var(--bkw-mid); font-size: .8rem; margin-left: .3rem; }
.bkw-product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: .75rem 0 1rem;
}
.bkw-tag {
  background: var(--bkw-light);
  color: var(--bkw-mid);
  font-size: .75rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: 6px;
  white-space: nowrap;
}
.bkw-tag--green { background: var(--bkw-green-soft); color: #065f46; }
.bkw-tag--amber { background: var(--bkw-primary-soft); color: #065f46; }

.bkw-product-card__cta {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--bkw-primary);
  color: #fff;
  padding: .75rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: .95rem;
  transition: background .15s;
}
.bkw-product-card__cta:hover { background: var(--bkw-primary-dark); color: #fff; }

/* Stars */
.bkw-stars { color: var(--bkw-primary); font-size: .9rem; letter-spacing: .05em; }

/* ===== Section Layouts ===== */
.bkw-section { padding: 5rem 1.5rem; }
.bkw-section--alt { background: var(--bkw-light); }
.bkw-container { max-width: 1200px; margin: 0 auto; }
.bkw-section__title {
  text-align: center;
  margin-bottom: .5rem;
}
.bkw-section__sub {
  text-align: center;
  color: var(--bkw-mid);
  margin-bottom: 3rem;
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.bkw-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.bkw-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* ===== Trust Bar ===== */
.bkw-trust-bar {
  background: var(--bkw-dark-mid);
  color: rgba(255,255,255,.9);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  font-size: .85rem;
  font-weight: 500;
}
.bkw-trust-bar__item { display: flex; align-items: center; gap: .5rem; }
.bkw-trust-bar__icon { font-size: 1.1rem; }

/* ===== Tool Teasers ===== */
.bkw-tool-teaser {
  background: linear-gradient(135deg, var(--bkw-dark-mid), #2d3a50);
  border-radius: var(--bkw-radius-lg);
  padding: 2.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 2rem;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
  box-shadow: var(--bkw-shadow);
}
.bkw-tool-teaser:hover { transform: translateY(-4px); box-shadow: var(--bkw-shadow-lg); color: #fff; }
.bkw-tool-teaser__icon { font-size: 3rem; flex-shrink: 0; }
.bkw-tool-teaser__title { font-size: 1.25rem; font-weight: 700; margin-bottom: .4rem; color: #fff; }
.bkw-tool-teaser__desc { color: rgba(255,255,255,.75); font-size: .9rem; margin: 0; }
.bkw-tool-teaser__arrow { margin-left: auto; font-size: 1.5rem; opacity: .6; }

/* ===== Affiliate Disclosure ===== */
.bkw-disclosure {
  background: var(--bkw-primary-soft);
  border-left: 4px solid var(--bkw-primary);
  border-radius: 0 8px 8px 0;
  padding: .75rem 1rem;
  font-size: .82rem;
  color: #78350f;
  margin-bottom: 1.5rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bkw-dark);
  color: rgba(255,255,255,.7);
  padding: 3rem 1.5rem 2rem;
}
.site-footer a { color: rgba(255,255,255,.8); }
.site-footer a:hover { color: var(--bkw-primary); }
.site-footer h4 { color: #fff; font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }

/* ===== Single BKW Product Page ===== */
.bkw-single-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding: 3rem 0;
}
@media (max-width: 768px) {
  .bkw-single-header { grid-template-columns: 1fr; }
}
.bkw-single-price-box {
  background: var(--bkw-light);
  border-radius: var(--bkw-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.bkw-pro-con { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.bkw-pro-con__heading { font-size: .95rem; font-weight: 700; margin: 0 0 .75rem; }
.bkw-pro-con__heading--pro { color: #059669; }
.bkw-pro-con__heading--con { color: #DC2626; }
.bkw-pro-con__list { list-style: none; padding: 0; margin: 0; }
.bkw-pro-con__list li { padding: .4rem 0 .4rem 1.5rem; position: relative; font-size: .95rem; border-bottom: 1px solid var(--bkw-border); }
.bkw-pro-con__list li:last-child { border-bottom: none; }
.bkw-pro-con__list--pro li::before { content: '✓'; position: absolute; left: 0; color: var(--bkw-green); font-weight: 700; }
.bkw-pro-con__list--con li::before { content: '✗'; position: absolute; left: 0; color: #EF4444; font-weight: 700; }

/* ===== Product Hero ===== */
.bkw-product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding: 3rem 0 2.5rem;
}
@media (max-width: 768px) {
  .bkw-product-hero { grid-template-columns: 1fr; gap: 1.5rem; }
}

.bkw-product-hero__img { position: relative; }
.bkw-product-hero__photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: #fff;
  border-radius: var(--bkw-radius);
  border: 1.5px solid var(--bkw-border);
}
.bkw-product-hero__placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bkw-light);
  border-radius: var(--bkw-radius);
  border: 1.5px solid var(--bkw-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--bkw-mid);
}

.bkw-product-hero__info { display: flex; flex-direction: column; gap: .75rem; }
.bkw-product-hero__brand { align-self: flex-start; }
.bkw-product-hero__title { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; margin: 0; line-height: 1.2; }

.bkw-product-hero__stars {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.bkw-product-hero__rating-num { font-size: .9rem; color: var(--bkw-mid); font-weight: 600; }

.bkw-product-hero__price-box {
  background: var(--bkw-light);
  border: 1.5px solid var(--bkw-border);
  border-radius: var(--bkw-radius);
  padding: 1.25rem 1.5rem;
}
.bkw-product-hero__price-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--bkw-mid); margin-bottom: .25rem; }
.bkw-product-hero__price-value { font-size: 2rem; font-weight: 900; color: var(--bkw-dark); line-height: 1; }
.bkw-product-hero__price-note  { font-size: .75rem; color: var(--bkw-mid); margin-top: .4rem; }

.bkw-product-hero__cta {
  font-size: 1.05rem;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(16,185,129,.3);
}

/* ===== Product Sections ===== */
.bkw-product-section { padding: 3.5rem 1.5rem; }
.bkw-product-section--alt { background: var(--bkw-light); }

.bkw-product-section__title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 800;
  margin: 0 0 .4rem;
  text-align: center;
}
.bkw-product-section__sub {
  text-align: center;
  color: var(--bkw-mid);
  font-size: .95rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.bkw-score-section { max-width: 720px; }

/* ===== Prose (Editor-Content) ===== */
.bkw-prose { max-width: 760px; }
.bkw-prose h2, .bkw-prose h3 { margin-top: 2rem; }
.bkw-prose p   { line-height: 1.7; color: #334155; }
.bkw-prose ul  { padding-left: 1.25rem; }
.bkw-prose li  { margin-bottom: .4rem; line-height: 1.6; }

/* ===== Quiz Embed ===== */
.bkw-quiz-embed { background: var(--bkw-dark); }
.bkw-quiz-embed .bkw-container { max-width: 860px; }
.bkw-quiz-embed__header { text-align: center; color: #fff; margin-bottom: 2rem; }
.bkw-quiz-embed__header h2 { color: #fff; font-size: clamp(1.3rem, 2.5vw, 1.9rem); margin: 0 0 .5rem; }
.bkw-quiz-embed__header p  { color: rgba(255,255,255,.7); margin: 0; font-size: .95rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .bkw-hero { padding: 4rem 1.5rem; }
  .bkw-trust-bar { gap: 1.5rem; }
}
@media (max-width: 640px) {
  .bkw-grid-3 { grid-template-columns: 1fr; }
  .bkw-trust-bar { flex-direction: column; gap: .75rem; align-items: flex-start; }
  .bkw-tool-teaser { flex-direction: column; text-align: center; }
  .bkw-tool-teaser__arrow { display: none; }
  .bkw-pro-con { grid-template-columns: 1fr; }
}

/* ── Sort Bar ── */
.bkw-sort-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2.5rem;
  padding: 1rem 1.25rem;
  background: var(--bkw-light);
  border: 1.5px solid var(--bkw-border);
  border-radius: var(--bkw-radius);
}
#bkw-product-grid {
  padding-top: 1rem;
}
.bkw-sort-bar__label {
  font-size: .85rem;
  color: var(--bkw-mid);
  font-weight: 600;
  margin-right: .25rem;
  white-space: nowrap;
}
.bkw-sort-btn {
  padding: .4rem .9rem;
  border-radius: 999px;
  border: 1.5px solid var(--bkw-border);
  background: transparent;
  color: var(--bkw-mid);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
}
.bkw-sort-btn:hover {
  border-color: var(--bkw-primary);
  color: var(--bkw-primary);
}
.bkw-sort-btn.active {
  background: var(--bkw-primary);
  border-color: var(--bkw-primary);
  color: #fff;
}
@media (max-width: 600px) {
  .bkw-sort-bar { gap: .4rem; }
  .bkw-sort-btn { font-size: .78rem; padding: .35rem .7rem; }
}