/* ============================================================
   DESIGN TOKENS — "Reformlinie" system
   Precise, grid-structured, engineering-paper aesthetic for a
   building-regulation topic. Cool paper surfaces, deep forest
   green accent (energy/efficiency), amber for deadlines.
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f5f6f2;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcf9;
  --color-surface-offset: #eef0e8;
  --color-surface-offset-2: #e6e9de;
  --color-divider: #dfe3d7;
  --color-border: #d3d8c9;

  /* Text */
  --color-text: #1a2019;
  --color-text-muted: #57604f;
  --color-text-faint: #949c88;
  --color-text-inverse: #f5f6f2;

  /* Primary accent — deep forest / efficiency green */
  --color-primary: #205e46;
  --color-primary-hover: #164534;
  --color-primary-active: #0e3224;
  --color-primary-highlight: #d9e6db;

  /* Deadline / date accent — amber */
  --color-accent: #a8690f;
  --color-accent-hover: #8a5309;
  --color-accent-highlight: #f0e0bd;

  /* Status */
  --color-success: #3f7a35;
  --color-warning: #a8690f;
  --color-error: #9c3b3b;
  --color-error-highlight: #ecd6d6;

  --radius-sm: 0.3rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.9rem;
  --radius-xl: 1.4rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 140 / 0.07);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 140 / 0.09);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 140 / 0.14);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1280px;
  --content-full: 100%;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #10140f;
  --color-surface: #151a13;
  --color-surface-2: #181e15;
  --color-surface-offset: #1c2318;
  --color-surface-offset-2: #232b1e;
  --color-divider: #29321f;
  --color-border: #333d27;
  --color-text: #e4e8dc;
  --color-text-muted: #a2ac93;
  --color-text-faint: #666f57;
  --color-text-inverse: #151a13;

  --color-primary: #58ab84;
  --color-primary-hover: #79c19d;
  --color-primary-active: #9bd4b6;
  --color-primary-highlight: #24352b;

  --color-accent: #dba24c;
  --color-accent-hover: #ecb763;
  --color-accent-highlight: #3a2f1a;

  --color-success: #7ab86c;
  --color-warning: #dba24c;
  --color-error: #d98686;
  --color-error-highlight: #3a2323;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 44px oklch(0 0 0 / 0.5);
}

/* Type scale */
:root {
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.15rem + 1.1vw, 1.875rem);
  --text-2xl: clamp(1.875rem, 1.3rem + 2.2vw, 2.875rem);
  --text-3xl: clamp(2.25rem, 1.1rem + 3.6vw, 4rem);
  --text-hero: clamp(2.5rem, 1rem + 5.5vw, 5.5rem);
}

/* Spacing */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: inline-block;
}

.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-10);
}
.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-3);
}
.section-head p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 60ch;
}

p {
  max-width: 68ch;
}

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

/* ============================================================
   SKIP LINK
   ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 200;
}
.skip-link:focus {
  left: var(--space-2);
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
}
.logo:hover {
  color: var(--color-text);
  text-decoration: none;
}
.logo svg {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}
.logo__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.footer__brand .logo__mark {
  width: 64px;
  height: 64px;
  padding: 6px;
  border-radius: var(--radius-lg);
}
.logo__word {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo__word b {
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
}
.logo__word span {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.icon-btn:hover {
  background: var(--color-surface-offset);
}
.icon-btn svg {
  width: 19px;
  height: 19px;
}

.nav-toggle {
  display: none;
}

/* Mobile nav */
@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: 64px var(--space-4) auto var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1),
      transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    width: 100%;
  }
  .nav a {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-md);
    color: var(--color-text);
  }
  .nav a:hover {
    background: var(--color-surface-offset);
    text-decoration: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding-block: clamp(var(--space-16), 12vw, var(--space-32)) clamp(var(--space-10), 6vw, var(--space-16));
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(70% 60% at 82% -10%, oklch(from var(--color-primary) l c h / 0.14), transparent 70%),
    radial-gradient(50% 40% at 5% 110%, oklch(from var(--color-accent) l c h / 0.1), transparent 70%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(from var(--color-text) l c h / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(from var(--color-text) l c h / 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  gap: var(--space-8);
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.pill--primary {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-color: transparent;
}
.pill--accent {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
  border-color: transparent;
}

.hero h1 {
  font-size: var(--text-hero);
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero__lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover {
  background: var(--color-surface-offset);
  text-decoration: none;
}
.btn svg {
  width: 16px;
  height: 16px;
}

/* Stat strip */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}
.stat__label {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 860px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   SUMMARY / ÜBERBLICK
   ============================================================ */

.summary__body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
.summary__prose p + p {
  margin-top: var(--space-4);
}
.summary__prose p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.summary__prose strong {
  color: var(--color-text);
}
.callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.callout h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}
.callout ul {
  display: grid;
  gap: var(--space-3);
}
.callout li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.callout li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-primary);
}
@media (max-width: 900px) {
  .summary__body {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================================
   TIMELINE
   ============================================================ */

.timeline-section {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: var(--space-8);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border) 90%);
}
.timeline-item {
  position: relative;
  padding-left: var(--space-10);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.timeline-item:last-child {
  border-bottom: none;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 2px;
  top: var(--space-6);
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 3px solid var(--color-primary);
}
.timeline-item__date {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
}
.timeline-item__desc {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 60ch;
}

/* ============================================================
   TOPICS
   ============================================================ */

.topics__layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.toc {
  position: sticky;
  top: calc(var(--space-24) + 8px);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-height: calc(100dvh - var(--space-32));
  overflow-y: auto;
  padding-right: var(--space-2);
}
.toc__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.toc a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
}
.toc a:hover {
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-surface-offset);
}
.toc a.is-active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-highlight);
  font-weight: 600;
}
.toc a span.num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  min-width: 1.4em;
}

.topics__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.topic-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
  scroll-margin-top: var(--space-24);
}
.topic-card__head {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.topic-card__icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.topic-card__icon svg {
  width: 22px;
  height: 22px;
}
.topic-card__title-wrap {
  flex: 1;
}
.topic-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}
.topic-card__title-wrap h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-1);
}
.topic-card__badge {
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}
.topic-card__badge svg {
  width: 13px;
  height: 13px;
}

.topic-card__bullets {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}
.topic-card__bullets li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.topic-card__bullets li::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-top: 0.65em;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  flex-shrink: 0;
}

.topic-card__more {
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}
.topic-card__more summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.topic-card__more summary::-webkit-details-marker {
  display: none;
}
.topic-card__more summary svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-interactive);
}
.topic-card__more[open] summary svg {
  transform: rotate(90deg);
}
.topic-card__more-body {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.topic-card__more-body p + p {
  margin-top: var(--space-3);
}
.topic-card__more-body a {
  font-weight: 500;
}

@media (max-width: 980px) {
  .topics__layout {
    grid-template-columns: 1fr;
  }
  .toc {
    position: static;
    max-height: none;
    flex-direction: row;
    flex-wrap: wrap;
    overflow: visible;
    gap: var(--space-2);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-divider);
  }
  .toc__label {
    width: 100%;
  }
  .toc a {
    border: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
  }
  .toc a.is-active {
    border-color: var(--color-primary);
  }
}

/* ============================================================
   EINORDNUNG (research add-ons)
   ============================================================ */

.insights {
  background: var(--color-surface-offset);
}
.insights__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.insight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.insight-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.insight-card h3 svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.insight-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.insight-card p + p {
  margin-top: var(--space-3);
}
@media (max-width: 860px) {
  .insights__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   EVENTS
   ============================================================ */

.events {
  position: relative;
  overflow: hidden;
}
.events__panel {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 6vw, var(--space-12));
  position: relative;
  overflow: hidden;
}
[data-theme='dark'] .events__panel {
  color: #0e150f;
}
.events__panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 15%, oklch(1 0 0 / 0.14), transparent 55%);
}
.events__head {
  position: relative;
  max-width: 40rem;
}
.events__head .eyebrow {
  color: oklch(1 0 0 / 0.75);
}
.events__head .eyebrow::before {
  background: oklch(1 0 0 / 0.75);
}
.events__head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-3);
  color: inherit;
}
.events__head p {
  margin-top: var(--space-4);
  opacity: 0.88;
  font-size: var(--text-base);
  max-width: 55ch;
}

.event-cards {
  position: relative;
  margin-top: var(--space-10);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.event-card {
  background: oklch(1 0 0 / 0.1);
  border: 1px solid oklch(1 0 0 / 0.22);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
[data-theme='dark'] .event-card {
  background: oklch(0 0 0 / 0.12);
  border-color: oklch(0 0 0 / 0.2);
}
.event-card__weekday {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.75;
}
.event-card__date {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-top: var(--space-1);
}
.event-card__time {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  opacity: 0.85;
}
.events__actions {
  position: relative;
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.events__actions .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}
[data-theme='dark'] .events__actions .btn--primary {
  color: var(--color-primary-active);
}
.events__actions .btn--primary:hover {
  background: oklch(from var(--color-text-inverse) l c h / 0.9);
}
.events__actions .btn--ghost {
  border-color: oklch(1 0 0 / 0.35);
  color: inherit;
}
.events__actions .btn--ghost:hover {
  background: oklch(1 0 0 / 0.1);
}
.events__note {
  position: relative;
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  opacity: 0.75;
  max-width: 60ch;
}

@media (max-width: 860px) {
  .event-cards {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FOOTER / QUELLEN
   ============================================================ */

.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: var(--space-10);
}
.footer__brand .logo {
  margin-bottom: var(--space-4);
}
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 32ch;
}
.footer h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.source-list {
  display: grid;
  gap: var(--space-2);
}
.source-list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.source-list a:hover {
  color: var(--color-primary);
}
.footer__disclaimer {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer__disclaimer p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 62ch;
}

@media (max-width: 900px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================================
   MOTION / REVEALS
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   PILLARS (Ihr Vorteil — 3 columns)
   ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
}
.pillar-card__icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.pillar-card__icon svg {
  width: 24px;
  height: 24px;
}
.pillar-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.pillar-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pillar-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
}
.pillar-card__link svg {
  width: 14px;
  height: 14px;
}
@media (max-width: 900px) {
  .pillars {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   GMODG CALLOUT BANNER
   ============================================================ */
.gmodg-banner {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 6vw, var(--space-12));
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: var(--space-8);
  align-items: center;
}
[data-theme='dark'] .gmodg-banner {
  color: #0e150f;
}
.gmodg-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 88% 12%, oklch(1 0 0 / 0.16), transparent 55%);
}
.gmodg-banner__body {
  position: relative;
}
.gmodg-banner .eyebrow {
  color: oklch(1 0 0 / 0.8);
}
.gmodg-banner .eyebrow::before {
  background: oklch(1 0 0 / 0.8);
}
.gmodg-banner h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-3);
  color: inherit;
}
.gmodg-banner p {
  margin-top: var(--space-4);
  opacity: 0.9;
  font-size: var(--text-base);
  max-width: 55ch;
}
.gmodg-banner__actions {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.gmodg-banner .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}
[data-theme='dark'] .gmodg-banner .btn--primary {
  color: var(--color-primary-active);
}
.gmodg-banner .btn--primary:hover {
  background: oklch(from var(--color-text-inverse) l c h / 0.9);
}
.gmodg-banner .btn--ghost {
  border-color: oklch(1 0 0 / 0.4);
  color: inherit;
}
.gmodg-banner .btn--ghost:hover {
  background: oklch(1 0 0 / 0.12);
}
@media (max-width: 860px) {
  .gmodg-banner {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   POST / BLOG CARDS
   ============================================================ */
.post-list {
  display: grid;
  gap: var(--space-6);
}
.post-list--grid {
  grid-template-columns: repeat(3, 1fr);
}
.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  scroll-margin-top: var(--space-24);
}
.post-card__date {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.post-card__date svg {
  width: 13px;
  height: 13px;
}
.post-card h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-3);
}
.post-card h3 a {
  color: var(--color-text);
}
.post-card h3 a:hover {
  color: var(--color-primary);
}
.post-card p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.post-card .topic-card__more {
  margin-top: var(--space-4);
}
@media (max-width: 980px) {
  .post-list--grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
}
.contact-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.contact-row:last-child {
  border-bottom: none;
}
.contact-row svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-row a,
.contact-row span {
  font-size: var(--text-sm);
  color: var(--color-text);
}
.badge-row {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}
.badge-row a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.badge-row a:hover {
  text-decoration: none;
  background: var(--color-surface-offset-2);
}
.badge-row a svg {
  width: 14px;
  height: 14px;
}
.legal-block {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.legal-block h3 {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}
.legal-block h3:first-child {
  margin-top: 0;
}
.legal-block p + p {
  margin-top: var(--space-2);
}
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PAGE HERO (subpages — smaller than home hero)
   ============================================================ */
.page-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20)) var(--space-10);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(70% 60% at 82% -10%, oklch(from var(--color-primary) l c h / 0.12), transparent 70%);
}
.page-hero h1 {
  font-size: var(--text-3xl);
  max-width: 24ch;
  margin-top: var(--space-3);
}
.page-hero__lede {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46rem;
}

/* ============================================================
   GREEN FEATURE STRIP (Dach-/Fassadenbegrünung)
   ============================================================ */
.green-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.green-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.green-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-accent-highlight);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.green-card__icon svg {
  width: 20px;
  height: 20px;
}
.green-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.green-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.green-strip + .callout {
  margin-top: var(--space-8);
}
@media (max-width: 860px) {
  .green-strip {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   WARUM LOKAL / PERSÖNLICH / INDIVIDUELL (Differenzierung)
   ============================================================ */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}
.diff-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.diff-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.diff-card__icon svg {
  width: 19px;
  height: 19px;
}
.diff-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.diff-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 860px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }
}

/* Comparison table */
.compare-table-hint {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
@media (max-width: 860px) {
  .compare-table-hint {
    display: block;
  }
}
.compare-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.compare-table th,
.compare-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.compare-table thead th {
  background: var(--color-surface-offset);
  font-weight: 600;
  color: var(--color-text);
}
.compare-table thead th:nth-child(3) {
  color: var(--color-primary);
}
.compare-table tbody th {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table td.is-them {
  color: var(--color-text-muted);
}
.compare-table td.is-them::before {
  content: "–";
  margin-right: var(--space-2);
  color: var(--color-text-faint);
}
.compare-table td.is-you {
  color: var(--color-text);
  background: var(--color-primary-highlight);
}
.compare-table td.is-you::before {
  content: "✓";
  margin-right: var(--space-2);
  color: var(--color-primary);
  font-weight: 700;
}

/* Trust strip (Google review) */
.trust-strip {
  text-align: center;
  max-width: 560px;
  margin: var(--space-12) auto 0;
}
.trust-strip__stars {
  color: var(--color-primary);
  font-size: var(--text-lg);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.trust-strip__quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.trust-strip__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.trust-strip__link:hover {
  color: var(--color-primary-hover);
}
.trust-strip__link svg {
  width: 15px;
  height: 15px;
}

/* Section CTA */
.diff-cta {
  text-align: center;
  margin-top: var(--space-8);
}