/* ===== KLIMANEUTRAL WOHNEN - STYLE.CSS ===== */
/* Minimalist Eco-Futuristic Design */

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

/* --- CSS Custom Properties --- */
:root {
  --primary: #047857;
  --primary-dark: #065f46;
  --accent: #34d399;
  --accent-light: #6ee7b7;
  --dark: #022c22;
  --dark-90: rgba(2, 44, 34, 0.9);
  --light: #ecfdf5;
  --light-50: rgba(236, 253, 245, 0.5);
  --white: #ffffff;
  --card-bg: #ffffff;
  --card-border: rgba(4, 120, 87, 0.1);
  --card-shadow: 0 1px 3px rgba(2, 44, 34, 0.08);
  --card-shadow-hover: 0 8px 30px rgba(2, 44, 34, 0.12);
  --text-primary: #022c22;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border-light: rgba(4, 120, 87, 0.08);
  --gradient-hero: linear-gradient(135deg, #022c22 0%, #065f46 50%, #047857 100%);
  --gradient-section: linear-gradient(180deg, #ecfdf5 0%, #ffffff 100%);
  --gradient-green: linear-gradient(135deg, #047857 0%, #34d399 100%);
  --gradient-card: linear-gradient(135deg, rgba(4, 120, 87, 0.03) 0%, rgba(52, 211, 153, 0.03) 100%);
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --max-width-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

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

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 680px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 1rem;
  padding: 6px 16px;
  background: var(--light);
  border-radius: var(--radius-xl);
  border: 1px solid var(--card-border);
}

.section-label svg {
  width: 14px;
  height: 14px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

section {
  padding: 100px 0;
}

.section--light {
  background: var(--light);
}

.section--gradient {
  background: var(--gradient-section);
}

.section--dark {
  background: var(--gradient-hero);
  color: var(--white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark p,
.section--dark .lead {
  color: var(--white);
}

.section--dark .section-label {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  border-color: rgba(255, 255, 255, 0.15);
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--gradient-green);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(4, 120, 87, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(4, 120, 87, 0.4);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

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

.btn--white {
  background: var(--white);
  color: var(--primary);
}

.btn--white:hover {
  background: var(--light);
  transform: translateY(-2px);
  color: var(--primary);
}

.btn--sm {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(2, 44, 34, 0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-green);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-icon svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary);
  background: var(--light);
}

.nav__cta {
  margin-left: 12px;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(2,44,34,0.85) 0%, rgba(6,95,70,0.85) 50%, rgba(4,120,87,0.85) 100%), url('../images/hero.png') center/cover no-repeat;
  overflow: hidden;
  padding-top: 72px;
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image:
    radial-gradient(circle at 20% 80%, var(--accent) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, var(--accent) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, var(--accent) 0.5px, transparent 0.5px);
  background-size: 80px 80px, 60px 60px, 40px 40px;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.15), transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  top: auto;
  right: auto;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-xl);
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero__badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero h1 span {
  background: var(--gradient-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Roadmap / Timeline --- */
.roadmap {
  position: relative;
}

.roadmap__timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 3rem;
}

.roadmap__step {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}

.roadmap__step:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent);
}

.roadmap__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-green);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.roadmap__step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border-radius: var(--radius-md);
  color: var(--primary);
}

.roadmap__step-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.roadmap__step h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.roadmap__step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.roadmap__connector {
  display: none;
}

/* --- CO2 Comparison --- */
.co2-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 3rem;
}

.co2-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
}

.co2-card--bad {
  border-color: rgba(239, 68, 68, 0.2);
}

.co2-card--good {
  border-color: rgba(52, 211, 153, 0.3);
  background: var(--light);
}

.co2-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.co2-card--bad .co2-card__icon {
  background: #fef2f2;
  color: #ef4444;
}

.co2-card--good .co2-card__icon {
  background: rgba(52, 211, 153, 0.15);
  color: var(--primary);
}

.co2-card__icon svg {
  width: 32px;
  height: 32px;
}

.co2-card__value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.co2-card--bad .co2-card__value {
  color: #ef4444;
}

.co2-card--good .co2-card__value {
  color: var(--primary);
}

.co2-card__unit {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.co2-card__details li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.co2-card__details li:last-child {
  border-bottom: none;
}

.co2-card__details svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.co2-vs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.co2-vs__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--light);
  border: 2px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.co2-savings {
  text-align: center;
  margin-top: 3rem;
  padding: 24px;
  background: var(--light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
}

.co2-savings__value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

/* --- Measures Grid --- */
.measures-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 3rem;
}

.measure-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.measure-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-green);
  opacity: 0;
  transition: var(--transition);
}

.measure-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.measure-card:hover::before {
  opacity: 1;
}

.measure-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1rem;
}

.measure-card__icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.5;
}

.measure-card h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.measure-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.measure-card__impact {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
}

.impact-dots {
  display: flex;
  gap: 3px;
}

.impact-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.impact-dot--empty {
  background: var(--border-light);
}

/* --- Facts Section --- */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 3rem;
}

.fact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}

.fact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.fact-card__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.fact-card__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --- Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 3rem;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.blog-card__img {
  width: 100%;
  height: 200px;
  background: var(--gradient-green);
  position: relative;
  overflow: hidden;
}

.blog-card__img-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: radial-gradient(circle at 30% 50%, var(--white) 1px, transparent 1px);
  background-size: 20px 20px;
}

.blog-card__img-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.blog-card__img-icon svg {
  width: 28px;
  height: 28px;
}

.blog-card__body {
  padding: 24px;
}

.blog-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--light);
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  margin-bottom: 12px;
}

.blog-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--dark);
}

.blog-card__title a {
  color: var(--dark);
}

.blog-card__title a:hover {
  color: var(--primary);
}

.blog-card__excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.blog-card__meta svg {
  width: 14px;
  height: 14px;
}

.blog-card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 780px;
  margin: 3rem auto 0;
}

.faq-item {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background: var(--card-bg);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(4, 120, 87, 0.2);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(4, 120, 87, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
  gap: 16px;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-question__icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-question__icon svg {
  width: 14px;
  height: 14px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer__inner {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-box {
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
}

.cta-box__glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.15), transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.cta-box h2 {
  color: var(--white);
  margin-bottom: 1rem;
  position: relative;
}

.cta-box p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  position: relative;
}

.cta-box .btn-group {
  justify-content: center;
  position: relative;
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 300px;
}

.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.35);
}

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

/* --- Blog Page Specific --- */
.page-header {
  padding: 140px 0 60px;
  background: var(--gradient-hero);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
}

.blog-listing {
  padding: 60px 0 100px;
}

.blog-listing .blog-grid {
  margin-top: 0;
}

/* --- Blog Post Specific --- */
.post-header {
  padding: 140px 0 40px;
  background: var(--gradient-hero);
}

.post-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2rem;
}

.post-header__breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
}

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

.post-header h1 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
}

.post-header__meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-header__meta svg {
  width: 16px;
  height: 16px;
}

.post-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.post-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.post-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.post-content p {
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
  line-height: 1.8;
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.post-content ul {
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

.post-content li {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 2rem 0;
  background: var(--light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-content blockquote p {
  font-style: italic;
  color: var(--primary);
  margin-bottom: 0;
}

.post-content .info-box {
  background: var(--light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 2rem 0;
}

.post-content .info-box h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.post-cta {
  background: var(--light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin: 3rem 0;
}

.post-cta h3 {
  margin-bottom: 0.75rem;
}

.post-cta p {
  margin-bottom: 1.5rem;
}

.related-posts {
  padding: 80px 0;
  background: var(--light);
}

/* --- Wissen Page --- */
.wissen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 3rem;
}

.wissen-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.wissen-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.wissen-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.wissen-card__icon svg {
  width: 26px;
  height: 26px;
}

.wissen-card h3 {
  font-size: 1.1rem;
}

.wissen-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Legal Pages --- */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.legal-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.legal-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.legal-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .roadmap__timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .measures-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .wissen-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    padding: 12px 16px;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: 8px;
  }

  .nav__toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero__stats {
    flex-direction: column;
    gap: 24px;
  }

  .co2-compare {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .co2-vs {
    flex-direction: row;
  }

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

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

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

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-box {
    padding: 48px 28px;
  }

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

  .post-header__meta {
    flex-wrap: wrap;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group .btn {
    justify-content: center;
  }
}

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

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}


/* === Mobile Logo Size === */
@media (max-width: 768px) {
  .logo img, .nav-logo img, .navbar-brand img, .nav-brand img, .navbar__logo img {
    height: 36px !important;
  }
}