/* ============================================
   solarsicher.de — Stylesheet
   Brand: Photovoltaik & Waermepumpe Versicherung
   Palette: Solar Green + Warm Amber + Clean White
   Font: Inter (Headings + Body)
   ============================================ */

/* === CSS CUSTOM PROPERTIES === */
:root {
  --primary: #22c55e;
  --primary-hover: #16a34a;
  --primary-light: rgba(34, 197, 94, 0.1);
  --secondary: #f59e0b;
  --secondary-hover: #d97706;
  --accent: #06b6d4;
  --bg-dark: #1a1a2e;
  --bg-footer: #111827;
  --bg-white: #ffffff;
  --bg-light: #f0fdf4;
  --text: #374151;
  --text-heading: #111827;
  --text-light: #6B7280;
  --text-dark: #111827;
  --border: #E5E7EB;
  --success: #22c55e;
  --error: #ef4444;
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --content-width: 1200px;
  --section-padding: 64px;
  --radius: 8px;
}

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-hover); text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.6rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; font-weight: 700; }
h3 { font-size: 1.35rem; margin-bottom: 0.6rem; font-weight: 600; }
h4 { font-size: 1.1rem; margin-bottom: 0.4rem; font-weight: 600; }
p { margin-bottom: 1rem; }

/* === LAYOUT === */
.container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 780px; }
.section { padding: var(--section-padding) 0; }
.section--alt { background: var(--bg-light); }
.section--dark { background: var(--bg-dark); color: #ffffff; }
.section--dark h2, .section--dark h3 { color: #ffffff; }

/* === HEADER / NAVIGATION === */
.header {
  background: var(--bg-dark);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.header__logo:hover { text-decoration: none; }
.logo__solar { color: var(--primary); }
.logo__sicher { color: #ffffff; }

.nav { display: flex; align-items: center; gap: 8px; }

.nav__list {
  display: flex;
  list-style: none;
  gap: 4px;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav__link {
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

.nav__link:hover { background: rgba(255,255,255,0.1); color: #ffffff; text-decoration: none; }
.nav__link--active { color: var(--primary); }

.nav__cta {
  background: var(--primary);
  color: #ffffff !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-body);
  margin-left: 8px;
  transition: background 0.2s;
  text-decoration: none;
}

.nav__cta:hover { background: var(--primary-hover); text-decoration: none; }

/* === DROPDOWN NAVIGATION === */
.nav__dropdown { position: relative; }

.nav__dropdown-trigger {
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__dropdown-trigger::after {
  content: '\25BE';
  font-size: 0.7rem;
  opacity: 0.6;
  transition: transform 0.2s;
}

.nav__dropdown:hover .nav__dropdown-trigger,
.nav__dropdown-trigger:hover {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
}

.nav__dropdown-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  padding: 24px;
  min-width: 280px;
  z-index: 200;
  border: 1px solid var(--border);
}

.nav__dropdown:hover .nav__dropdown-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.nav__dropdown-column { min-width: 180px; }

.nav__dropdown-link {
  display: block;
  padding: 6px 0;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}

.nav__dropdown-link:hover { color: var(--primary); text-decoration: none; }

.nav__dropdown-footer {
  grid-column: 1 / -1;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.nav__dropdown-footer a { font-size: 0.85rem; font-weight: 600; color: var(--primary); }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #ffffff;
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* === HERO SECTION === */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #1E293B 50%, #1a1a2e 100%);
  color: #ffffff;
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34,197,94,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container { position: relative; z-index: 1; }

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.hero h1 { color: #ffffff; font-size: 2.6rem; max-width: 700px; }

.hero__subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.85);
}

.hero__bullets { list-style: none; padding: 0; margin: 0 0 2rem; }

.hero__bullets li {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  padding-left: 1.6em;
  position: relative;
  color: rgba(255,255,255,0.9);
}

.hero__bullets li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.hero__trust { margin-top: 1.5rem; font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.hero__trust strong { color: var(--primary); }

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  font-family: var(--font-body);
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--primary); color: #ffffff; }
.btn--primary:hover { background: var(--primary-hover); color: #ffffff; }
.btn--secondary { background: var(--secondary); color: #ffffff; }
.btn--secondary:hover { background: var(--secondary-hover); color: #ffffff; }
.btn--outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn--outline:hover { background: var(--primary); color: #ffffff; }
.btn--white { background: #ffffff; color: var(--bg-dark); }
.btn--white:hover { background: #f0f0f0; color: var(--bg-dark); }
.btn--large, .btn--lg { padding: 16px 40px; font-size: 18px; }

/* === CARDS === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover { box-shadow: 0 4px 20px rgba(34, 197, 94, 0.1); transform: translateY(-2px); }
.card__icon { font-size: 2rem; margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; }
.card--highlight { border-left: 4px solid var(--primary); }
.card__price { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin: 0.8rem 0; }

/* === GRID HELPERS === */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* === TABLES === */
.table-wrapper, .table-responsive { overflow-x: auto; margin: 1.5rem 0; }
table, .table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
thead { background: var(--bg-light); }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 700; color: var(--text-heading); white-space: nowrap; }
tbody tr:hover { background: rgba(34, 197, 94, 0.04); }

/* === STEPS / PROCESS === */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step { text-align: center; padding: 24px; }

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

.step h3 { margin-bottom: 0.5rem; }

/* === FAQ / ACCORDION === */
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--border); }

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-heading);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question::after { content: '\2212'; }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 500px; padding-bottom: 20px; }
.faq-answer p { color: var(--text); line-height: 1.7; }

/* === RECHNER === */
.rechner-section { width: 100%; max-width: 100%; padding: 0; margin: 0; }
.rechner-section #ensurance_view_root { width: 100%; min-height: 600px; }
.rechner-wrapper { width: 100vw; margin-left: calc(-50vw + 50%); padding: 0; }

/* === CTA BANNER === */
.cta-banner, .cta-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #111827 100%);
  color: #ffffff;
  text-align: center;
  padding: 56px 24px;
}

.cta-banner h2, .cta-section h2 { color: #ffffff; margin-bottom: 0.8rem; }
.cta-banner p, .cta-section p { max-width: 600px; margin: 0 auto 1.5rem; opacity: 0.9; }

/* === BREADCRUMB === */
.breadcrumb { padding: 16px 0 0; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: #ffffff; }
.breadcrumb span { margin: 0 6px; opacity: 0.5; }
.section .breadcrumb { color: var(--text); padding: 0 0 16px; }
.section .breadcrumb a { color: var(--text); }
.section .breadcrumb a:hover { color: var(--primary); }

/* === ARTICLE CONTENT === */
.article { max-width: 780px; margin: 0 auto; }
.article h2 { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.article h2:first-of-type { border-top: none; padding-top: 0; }
.article h3 { margin-top: 1.5rem; }
.article ul, .article ol { margin-bottom: 1rem; }
.article li { margin-bottom: 0.4rem; }

.article blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 1.5rem 0;
  background: var(--primary-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.key-facts {
  background: var(--bg-light);
  border-left: 4px solid var(--primary);
  padding: 24px 28px;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}

.key-facts h3 { margin-top: 0; }
.key-facts ul { margin-bottom: 0; }

.tip-box {
  background: rgba(34, 197, 94, 0.08);
  border-left: 4px solid var(--success);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}

.tip-box strong { color: var(--text-heading); }

.warning-box {
  background: rgba(239, 68, 68, 0.06);
  border-left: 4px solid var(--error);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}

.toc {
  background: var(--bg-light);
  padding: 24px 28px;
  border-radius: var(--radius);
  margin: 1.5rem 0 2rem;
}

.toc h3 { margin-top: 0; font-size: 1rem; }
.toc ol { margin-bottom: 0; }
.toc li { margin-bottom: 0.3rem; }
.toc a { color: var(--text); font-size: 0.95rem; }
.toc a:hover { color: var(--primary); }

.related-links {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 2rem 0;
}

.related-links h3 { margin-top: 0; font-size: 1rem; color: var(--text-heading); }
.related-links ul { list-style: none; padding: 0; margin: 0; }
.related-links li { margin-bottom: 0.4rem; }
.related-links a { font-size: 0.95rem; }

/* === FOOTER === */
.footer {
  background: var(--bg-footer);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer__brand { padding-right: 16px; }
.footer__brand .header__logo { font-size: 1.3rem; margin-bottom: 1rem; }
.footer__brand p { font-size: 0.85rem; line-height: 1.6; }

.footer h4 {
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer__links { list-style: none; padding: 0; }
.footer__links li { margin-bottom: 0.5rem; }
.footer__links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: color 0.2s; }
.footer__links a:hover { color: #ffffff; text-decoration: none; }
.footer__contact a { color: var(--primary); }
.footer__contact .btn { color: #ffffff; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 0.8rem;
  text-align: center;
}

/* === TRUST BAR === */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 24px 0;
}

.trust-bar__item { text-align: center; }
.trust-bar__stars { font-size: 1.3rem; letter-spacing: 2px; margin-bottom: 4px; color: var(--primary); }

/* === UTILITIES === */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.lead { font-size: 1.1rem; line-height: 1.7; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --section-padding: 40px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 2rem; }

  .nav__list {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  }

  .nav__list.active { display: flex; }
  .nav__link, .nav__dropdown-trigger { padding: 12px 0; display: block; width: 100%; text-align: left; }
  .nav__cta { margin-left: 0; margin-top: 8px; display: inline-block; }
  .nav__toggle { display: block; }

  .nav__dropdown-panel {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    padding: 8px 16px;
    margin-bottom: 8px;
  }

  .nav__dropdown:hover .nav__dropdown-panel { display: none; }
  .nav__dropdown.active .nav__dropdown-panel { display: block; }
  .nav__dropdown-link { color: rgba(255,255,255,0.8); font-size: 0.85rem; padding: 6px 0; }
  .nav__dropdown-footer { border-top-color: rgba(255,255,255,0.1); }
  .nav__dropdown-footer a { color: var(--primary); }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .footer__grid { grid-template-columns: 1fr; gap: 24px; }
  .card-grid { grid-template-columns: 1fr; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  th, td { padding: 8px 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.7rem; }
  .btn--large, .btn--lg { padding: 14px 28px; font-size: 16px; }
  .trust-bar { flex-direction: column; gap: 16px; }
}

@media (min-width: 992px) {
  .hero__grid { grid-template-columns: 55fr 45fr; gap: 3rem; }
}