/* ===========================================================================
   investsmart365 — Design System
   Basiert auf 365-design-system.md (April 2026)
   =========================================================================== */

:root {
  /* Basis */
  --color-bg: #FFFFFF;
  --color-text: #141413;
  --color-text-muted: #737373;

  /* Grautöne */
  --color-gray-50: #F5F5F5;
  --color-gray-100: #E3E3E3;
  --color-gray-400: #979797;
  --color-gray-500: #737373;
  --color-gray-700: #404040;
  --color-gray-900: #141413;

  /* Blau */
  --color-primary-blue: #1A6AFF;
  --color-deep-blue: #082F7B;
  --color-deep-blue-2: #0B3A9A;

  /* Akzent Grün (investsmart365) */
  --color-accent: #10B981;
  --color-accent-dark: #059669;
  --color-accent-light: #D1FAE5;
  --color-accent-light-transparent: rgba(16, 185, 129, 0.18);

  /* Radien */
  --radius-card: 16px;
  --radius-icon: 12px;
  --radius-pill: 100px;

  /* Container */
  --container-max: 1200px;
  --container-padding: 24px;

  /* Schatten */
  --shadow-card: 0 2px 8px rgba(20, 20, 19, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(20, 20, 19, 0.10);
}

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

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4 {
  margin: 0 0 16px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

p {
  margin: 0 0 16px;
}

/* ---------- Skip-Link (Barrierefreiheit) ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-deep-blue);
  color: #fff;
  padding: 12px 20px;
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-gray-100);
  z-index: 50;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.site-logo:hover {
  text-decoration: none;
}

.site-logo img {
  width: 32px;
  height: 32px;
}

.site-logo__mark {
  color: var(--color-text);
  font-weight: 700;
}

.site-logo__mark .is-invest {
  color: var(--color-accent);
  font-weight: 700;
}

.site-logo__mark .is-smart365 {
  color: var(--color-text);
  font-weight: 700;
}

/* Legacy Selector — bleibt kompatibel, falls an anderer Stelle verwendet */
.site-logo__mark .is-smart {
  color: var(--color-primary-blue);
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  color: var(--color-deep-blue);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  color: var(--color-deep-blue);
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-deep-blue) 0%, var(--color-deep-blue-2) 100%);
  color: #fff;
  padding: 80px 0 64px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  background: var(--color-accent-light-transparent);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.25rem, 5vw + 1rem, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--color-accent);
  display: block;
}

.hero__subtitle {
  font-size: clamp(1rem, 0.6vw + 0.9rem, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ---------- Stats-Bar ---------- */
.stats-bar {
  background: var(--color-deep-blue);
  color: #fff;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
  text-align: center;
}

.stat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.stat__value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  text-align: left;
  line-height: 1.3;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-dark);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn--secondary {
  background: var(--color-deep-blue);
  color: #fff;
}

.btn--secondary:hover {
  background: var(--color-deep-blue-2);
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}

.section--alt {
  background: var(--color-gray-50);
}

.section__head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section__eyebrow {
  display: inline-block;
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section__lead {
  color: var(--color-gray-500);
  font-size: 1.0625rem;
}

/* ---------- Autorenbox ---------- */
.author {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.author__photo {
  position: relative;
  width: 100%;
  border-radius: var(--radius-card);
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-primary-blue) 100%);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 20px;
  text-align: center;
  line-height: 1.3;
  overflow: hidden;
}

.author__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

.author__photo:has(img) { padding: 0; }
.author__photo:has(img) > span { display: none; }

.author__eyebrow {
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.author__title {
  font-size: clamp(1.5rem, 1.5vw + 1rem, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.author__bio {
  color: var(--color-gray-700);
  font-size: 1.0625rem;
  margin-bottom: 12px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--color-accent-dark);
  border-bottom: 2px solid var(--color-accent-light);
  padding-bottom: 2px;
}

.arrow-link:hover {
  text-decoration: none;
  border-color: var(--color-accent);
}

/* ---------- Cards-Grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-icon);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.card__title {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--color-deep-blue);
}

.card__text {
  color: var(--color-gray-500);
  font-size: 0.9375rem;
  margin: 0;
}

/* ---------- Partner-Cards (Profitieren) ---------- */
.partners-intro {
  background: linear-gradient(180deg, var(--color-deep-blue) 0%, var(--color-deep-blue-2) 100%);
  color: #fff;
  padding: 80px 0 64px;
}

.partners-intro h1 {
  color: #fff;
  font-size: clamp(2rem, 3vw + 1rem, 3.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.partners-intro__lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  max-width: 640px;
  margin-bottom: 24px;
}

.transparency-box {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.transparency-box strong {
  color: var(--color-accent);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.partner-card {
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
  position: relative;
}

.partner-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

.partner-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.partner-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.partner-card__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: var(--radius-icon);
}

.partner-card__badge {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.partner-card__badge--ok {
  background: #FFE9B8;
  color: #8A5C00;
}

.partner-card__category {
  color: var(--color-primary-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.partner-card__name {
  font-size: 1.5rem;
  margin: 0;
}

.partner-card__desc {
  color: var(--color-gray-700);
  font-size: 0.9375rem;
  margin: 0;
  flex-grow: 1;
}

.partner-card__code {
  background: var(--color-gray-50);
  border: 1px dashed var(--color-gray-100);
  border-radius: var(--radius-icon);
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--color-gray-700);
}

.partner-card__code code {
  background: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  color: var(--color-accent-dark);
  font-weight: 700;
}

.partner-card .btn {
  align-self: flex-start;
  width: 100%;
}

/* ---------- Rechner (Ressourcen) ---------- */
.calculator {
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.calculator__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: #fff;
}

.field input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light-transparent);
}

.calc-result {
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-deep-blue-2) 100%);
  color: #fff;
  border-radius: var(--radius-card);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: end;
}

.calc-result__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 4px;
}

.calc-result__main {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

.calc-result__side {
  text-align: right;
  display: grid;
  gap: 6px;
}

.calc-result__side strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

.calc-result__side .gain {
  color: var(--color-accent);
}

/* ---------- Tool-Liste ---------- */
.tool-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}

.tool-card__title {
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ---------- Buchempfehlungen ---------- */
.book-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.book {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 20px;
  padding: 20px;
  align-items: center;
  border-bottom: 1px solid var(--color-gray-100);
}

.book:last-child {
  border-bottom: 0;
}

.book__cover {
  display: block;
  width: 64px;
  height: 96px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(20, 20, 19, 0.12);
  background: var(--color-gray-50);
  flex-shrink: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.book__cover:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(20, 20, 19, 0.18);
}

.book__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book__title a {
  color: inherit;
  text-decoration: none;
}

.book__title a:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.book__title {
  font-size: 1.0625rem;
  margin: 0 0 4px;
}

.book__author {
  color: var(--color-gray-500);
  font-size: 0.9375rem;
  margin: 0;
}

.book__tag {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
}

/* ---------- Newsletter-Formular ---------- */
.newsletter-hero {
  padding: 96px 0 64px;
  text-align: center;
}

.newsletter-hero h1 {
  font-size: clamp(2rem, 2.5vw + 1rem, 2.75rem);
  margin-bottom: 16px;
  color: var(--color-deep-blue);
  letter-spacing: -0.02em;
}

.newsletter-hero__lead {
  color: var(--color-gray-500);
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.newsletter-form {
  max-width: 420px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.newsletter-form input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light-transparent);
}

.newsletter-form button {
  width: 100%;
  padding: 14px 24px;
  border: 0;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: 10px;
  transition: background-color 0.12s ease;
}

.newsletter-form button:hover {
  background: var(--color-accent-dark);
}

.newsletter-form__hint {
  font-size: 12px;
  color: var(--color-gray-500);
  text-align: center;
  margin: 0;
}

.newsletter-form__status {
  font-size: 13px;
  text-align: center;
  margin: 0;
  min-height: 1em;
}

.newsletter-form__status--ok { color: var(--color-accent-dark); }
.newsletter-form__status--err { color: #B91C1C; }

/* ---------- Blog ---------- */
.blog-hero {
  padding: 80px 0 40px;
  background: var(--color-deep-blue);
  color: #fff;
}

.blog-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 2vw + 1.5rem, 3rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.blog-hero__lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  font-size: 1.0625rem;
}

.blog-filters {
  background: var(--color-gray-50);
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-100);
  overflow-x: auto;
}

.blog-filters__list {
  display: flex;
  gap: 8px;
  white-space: nowrap;
  padding: 4px 0;
}

.blog-filters__item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--color-gray-100);
  color: var(--color-gray-700);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.blog-filters__item:hover,
.blog-filters__item.is-active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  text-decoration: none;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

.blog-card__cover {
  aspect-ratio: 1200 / 630;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 24px;
  position: relative;
  text-align: center;
}

.blog-card__cover--green { background: var(--color-accent); }
.blog-card__cover--deep-blue { background: var(--color-deep-blue); }
.blog-card__cover--primary-blue { background: #1A6AFF; }

.blog-card__brand-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-accent);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.blog-card__cover--deep-blue .blog-card__brand-badge { color: var(--color-deep-blue); }
.blog-card__cover--primary-blue .blog-card__brand-badge { color: #1A6AFF; }

.blog-card__cat-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.blog-card__cover-text {
  color: #fff;
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 85%;
}

/* ===========================================================================
   Blog Post (Single Article) Layout
   =========================================================================== */

.post {
  padding-bottom: 80px;
}

.post-hero {
  background: linear-gradient(180deg, var(--color-gray-50) 0%, #fff 100%);
  padding: 48px 0 32px;
}

.post-hero__back {
  display: inline-block;
  color: var(--color-gray-500);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 20px;
}
.post-hero__back:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.post-hero__category {
  display: inline-block;
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.post-hero h1 {
  font-size: clamp(1.875rem, 3vw + 1rem, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-deep-blue);
  margin-bottom: 16px;
  max-width: 880px;
}

.post-hero__lead {
  color: var(--color-gray-700);
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 780px;
  margin-bottom: 20px;
}

.post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--color-gray-500);
  font-size: 14px;
}

.post-hero__meta time {
  color: var(--color-gray-500);
}

.post-cover {
  max-width: var(--container-max);
  margin: 0 auto 48px;
  padding: 0 var(--container-padding);
}

.post-cover img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}

.post-body {
  max-width: 760px;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #232323;
}

.post-body h2 {
  font-size: clamp(1.5rem, 1.5vw + 1rem, 2rem);
  color: var(--color-deep-blue);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

.post-body h3 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin: 32px 0 12px;
}

.post-body p {
  margin: 0 0 20px;
}

.post-body ul,
.post-body ol {
  margin: 0 0 24px;
  padding-left: 1.4em;
}

.post-body li {
  margin-bottom: 10px;
}

.post-body ul li::marker {
  color: var(--color-accent);
}

.post-body a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-light);
  text-underline-offset: 3px;
}
.post-body a:hover {
  text-decoration-color: var(--color-accent);
}

.post-body blockquote {
  border-left: 4px solid var(--color-accent);
  margin: 24px 0;
  padding: 12px 20px;
  background: var(--color-accent-light);
  border-radius: 0 var(--radius-icon) var(--radius-icon) 0;
  color: var(--color-text);
  font-style: normal;
}

.post-body code {
  background: var(--color-gray-50);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--color-accent-dark);
}

.post-body pre {
  background: var(--color-gray-50);
  padding: 16px 20px;
  border-radius: var(--radius-icon);
  overflow-x: auto;
  margin: 24px 0;
}
.post-body pre code {
  background: transparent;
  padding: 0;
  color: var(--color-text);
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9375rem;
}
.post-body th,
.post-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-gray-100);
}
.post-body th {
  background: var(--color-gray-50);
  color: var(--color-deep-blue);
  font-weight: 700;
}
.post-body tr:last-child td {
  border-bottom: 0;
}

.post-body hr {
  border: 0;
  border-top: 1px solid var(--color-gray-100);
  margin: 40px 0;
}

.post-body strong {
  color: var(--color-text);
  font-weight: 700;
}

.post-body em {
  font-style: italic;
}

.post-body img {
  max-width: 100%;
  border-radius: var(--radius-icon);
  margin: 24px auto;
}

.post-cta {
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-deep-blue-2) 100%);
  color: #fff;
  padding: 48px 0;
  margin-top: 64px;
  text-align: center;
}

.post-cta h2 {
  color: #fff;
  font-size: 1.75rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.post-cta p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 24px;
}

.blog-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.blog-card__category {
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-card__title {
  font-size: 1.125rem;
  margin: 0;
  color: var(--color-text);
  line-height: 1.35;
}

.blog-card__excerpt {
  color: var(--color-gray-500);
  font-size: 0.9375rem;
  margin: 0;
  flex-grow: 1;
}

.blog-card__meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--color-gray-400);
  margin-top: 8px;
}

/* ---------- Legal Page ---------- */
.legal {
  max-width: 820px;
  margin: 0 auto;
}

.legal h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.legal h2 {
  font-size: 1.375rem;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--color-deep-blue);
}

.legal p, .legal ul {
  color: var(--color-gray-700);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-deep-blue);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 32px;
  margin-top: 80px;
}

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

.site-footer h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: 14px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-footer__brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 400px;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

/* ---------- Scroll-to-top ---------- */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-deep-blue);
  color: #fff;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(8, 47, 123, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 30;
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--color-deep-blue-2);
  transform: translateY(-2px);
}

/* ===========================================================================
   Responsive Breakpoints
   =========================================================================== */

@media (max-width: 960px) {
  .author {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .author__photo {
    max-width: 280px;
    margin: 0 auto;
  }
  .badges {
    justify-content: center;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-bar__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 24px;
  }
}

@media (max-width: 720px) {
  .site-nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 24px;
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: 0 8px 16px rgba(20, 20, 19, 0.08);
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 8px;
    border-bottom: 1px solid var(--color-gray-50);
    font-size: 16px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .section {
    padding: 56px 0;
  }

  .stats-bar {
    padding: 24px 0;
  }

  .stat {
    flex-direction: column;
    gap: 4px;
  }

  .stat__label {
    text-align: center;
  }

  .stat__value {
    font-size: 1.5rem;
  }

  .calc-result {
    grid-template-columns: 1fr;
  }

  .calc-result__side {
    text-align: left;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 16px;
  }

  .book {
    grid-template-columns: 64px 1fr;
  }

  .book__tag {
    grid-column: 2;
    justify-self: start;
    margin-top: 4px;
  }

  .site-footer {
    margin-top: 48px;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 420px) {
  :root { --container-padding: 16px; }
  .btn { padding: 12px 20px; font-size: 14px; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .scroll-top, .nav-toggle { display: none; }
  body { color: #000; }
}

/* ---------- Reduzierte Animation ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===========================================================================
   Consent Banner (Cookie-Hinweis für Analytics)
   =========================================================================== */

#consent-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-card);
  box-shadow: 0 12px 32px rgba(8, 47, 123, 0.22);
  z-index: 1000;
  animation: consent-banner-in 0.3s ease-out both;
}

@keyframes consent-banner-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.consent-banner__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px 24px;
  align-items: center;
  padding: 18px 20px;
}

.consent-banner__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-gray-700);
}

.consent-banner__text a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.consent-banner__btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.consent-banner__btn:hover { transform: translateY(-1px); }

.consent-banner__btn--primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.consent-banner__btn--primary:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }

.consent-banner__btn--ghost {
  background: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-100);
}
.consent-banner__btn--ghost:hover { background: var(--color-gray-50); border-color: var(--color-gray-400); }

@media (max-width: 600px) {
  .consent-banner__inner {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .consent-banner__actions {
    width: 100%;
    justify-content: flex-end;
  }
  .consent-banner__btn { padding: 10px 14px; }
}