/* --- CSS Variables --- */
:root {
  --bg: #f8f9fc;
  --bg-card: #ffffff;
  --text: #1a1d2e;
  --text-muted: #5a6178;
  --accent: #e85d4c;
  --accent-soft: #fef0ee;
  --accent-2: #2d9d78;
  --accent-2-soft: #e8f6f1;
  --accent-3: #5b7cfa;
  --accent-3-soft: #eef1fe;
  --gradient-hero: linear-gradient(135deg, #fef0ee 0%, #eef1fe 40%, #e8f6f1 100%);
  --gradient-cta: linear-gradient(135deg, #2d9d78 0%, #5b7cfa 100%);
  --shadow-sm: 0 2px 8px rgba(26, 29, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 29, 46, 0.08);
  --shadow-lg: 0 8px 32px rgba(26, 29, 46, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --scale: 1.25;
  --space: 1rem;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

/* --- Typography scale --- */
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.2; margin: 0 0 0.5em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 2em 0 0.75em; color: var(--text); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin: 1.5em 0 0.5em; }
h4 { font-size: 1.1rem; margin: 1em 0 0.35em; color: var(--text-muted); }
p { margin: 0 0 1em; color: var(--text); }
a { color: var(--accent-3); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(26,29,46,0.08);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space) 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--accent-3); }
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.main-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.main-nav a:hover { color: var(--accent); }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}
.nav-toggle::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--text);
  box-shadow: 0 6px 0 var(--text), 0 12px 0 var(--text);
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
  }
  .main-nav.is-open { display: flex; }
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 3rem 1.25rem 2.5rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.hero-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.hero-images img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

/* --- Trust strip --- */
.trust-strip {
  background: var(--accent-3-soft);
  padding: 1rem 1.25rem;
  text-align: center;
}
.trust-strip p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

/* --- Article --- */
.content-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

/* --- TOC --- */
.toc {
  background: var(--bg-card);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}
.toc h2 { margin-top: 0; font-size: 1.15rem; }
.toc ol { margin: 0; padding-left: 1.5rem; }
.toc li { margin: 0.35em 0; }
.toc a { color: var(--accent-3); }
.toc a.is-active { font-weight: 700; color: var(--accent); }

/* --- Sections --- */
.section { margin-bottom: 2.5rem; }
.pill-list {
  list-style: none;
  padding: 0;
  margin: 1em 0;
}
.pill-list li {
  margin: 0.5em 0;
  padding: 0.6em 1em;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--accent-2);
}
.img-row, .diet-images, .food-imgs, .training-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.img-row img, .diet-images img, .food-imgs img, .training-images img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
}

/* --- Diet cards --- */
.diet-card {
  background: var(--bg-card);
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
  position: relative;
}
.diet-card h3 { margin-top: 0; }
.difficulty-chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25em 0.6em;
  border-radius: 999px;
  margin-bottom: 0.5em;
}
.difficulty-chip[data-level="einfach"] { background: var(--accent-2-soft); color: #1a7a5a; }
.difficulty-chip[data-level="mittel"] { background: var(--accent-3-soft); color: #3d5dd9; }
.difficulty-chip[data-level="fortgeschritten"] { background: var(--accent-soft); color: #c44a3d; }
.pros-cons {
  display: grid;
  gap: 0.5rem;
  margin: 1em 0;
}
.pros { background: var(--accent-2-soft); padding: 0.6em 1em; border-radius: var(--radius-sm); }
.cons { background: #fff5e6; padding: 0.6em 1em; border-radius: var(--radius-sm); }
.icon-pro { color: var(--accent-2); font-weight: bold; margin-right: 0.25em; }
.icon-con { color: #b8860b; font-weight: bold; margin-right: 0.25em; }

/* --- Food categories --- */
.food-category {
  background: var(--bg-card);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}
.food-category h3 { margin-top: 0; }

/* --- Callout boxes --- */
.callout-box {
  background: var(--accent-3-soft);
  border-left: 4px solid var(--accent-3);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1em 0;
}

/* --- FAQ --- */
.faq-list { margin: 1em 0; }
.faq-item { margin: 0; border-bottom: 1px solid rgba(26,29,46,0.08); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  font: inherit;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-card);
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0;
  transition: background 0.2s;
}
.faq-question:hover { background: var(--bg); }
.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent-3);
  flex-shrink: 0;
  margin-left: 0.5rem;
}
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease-out;
}
.faq-answer.is-open { max-height: 80vh; }
.faq-answer p { margin: 0; padding: 0 1.25rem 1rem; background: var(--bg); font-size: 0.95rem; }

/* --- Coach CTA --- */
.coach-cta {
  background: var(--gradient-cta);
  padding: 3rem 1.25rem;
  color: #fff;
}
.coach-cta h2 { color: #fff; margin-top: 0; }
.coach-value {
  max-width: 560px;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
  opacity: 0.95;
}
.coach-cta-inner { max-width: 640px; margin: 0 auto; }
.coach-card {
  background: var(--bg-card);
  color: var(--text);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.coach-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.coach-benefits li {
  margin: 0.5em 0;
  padding-left: 1.5em;
  position: relative;
}
.coach-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: bold;
}
.coach-form .form-row {
  margin-bottom: 1rem;
}
.coach-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35em;
  font-size: 0.95rem;
}
.required { color: var(--accent); }
.coach-form input[type="text"],
.coach-form input[type="email"],
.coach-form input[type="tel"],
.coach-form select,
.coach-form textarea {
  width: 100%;
  padding: 0.6em 0.8em;
  font: inherit;
  border: 1px solid #d0d4dc;
  border-radius: var(--radius-sm);
  background: var(--bg);
}
.coach-form input:focus,
.coach-form select:focus,
.coach-form textarea:focus {
  outline: none;
  border-color: var(--accent-3);
  box-shadow: 0 0 0 3px var(--accent-3-soft);
}
.coach-form input.error,
.coach-form select.error {
  border-color: var(--accent);
}
.field-error {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 0.25em;
}
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.checkbox-row input[type="checkbox"] { width: auto; margin-top: 0.3em; }
.checkbox-row label { margin-bottom: 0; }
.whatsapp-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0.5em 0 1em;
}
.submit-btn {
  width: 100%;
  padding: 0.9em 1.5em;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-cta);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.submit-btn:hover { opacity: 0.95; }
.submit-btn:active { transform: scale(0.99); }
.coach-success {
  padding: 1.5rem;
  background: var(--accent-2-soft);
  border-radius: var(--radius);
  color: var(--text);
  margin-top: 1rem;
}
.coach-success strong { color: var(--accent-2); }

/* --- Footer --- */
.site-footer {
  background: var(--text);
  color: #b0b4c0;
  padding: 2.5rem 1.25rem;
  font-size: 0.9rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
  }
}
.footer-brand-name { display: block; color: #fff; font-size: 1.1rem; margin-bottom: 0.35em; }
.footer-brand p { margin: 0; font-size: 0.85rem; line-height: 1.45; max-width: 280px; }
.footer-links h4,
.footer-legal h4,
.footer-contact h4 {
  color: #fff;
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}
.footer-links ul,
.footer-legal ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li,
.footer-legal li { margin-bottom: 0.4rem; }
.footer-links a,
.footer-legal a {
  color: #b0b4c0;
  text-decoration: none;
}
.footer-links a:hover,
.footer-legal a:hover { color: #fff; }
.footer-contact p { margin: 0 0 0.35rem; font-size: 0.85rem; }
.footer-contact a { color: #b0b4c0; }
.footer-contact a:hover { color: #fff; }

/* Footer plates (banners like Aether Veil) */
.footer-plates {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 600px) {
  .footer-plates { grid-template-columns: 1fr 1fr; }
}
.footer-plate {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  font-size: 0.82rem;
  line-height: 1.55;
}
.footer-plate-title {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}
.footer-plate p { margin: 0; color: #b0b4c0; }

/* Footer notice banner (bottom disclaimer strip) */
.footer-notice-banner {
  padding: 1rem 1.25rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.8rem;
  line-height: 1.5;
}
.footer-notice-banner p { margin: 0; color: #a8acb8; }
.footer-notice-banner strong { color: #d0d4dc; }

.footer-copyright {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.75;
}

/* --- Legal / inner pages --- */
.legal-page {
  padding: 2rem 1.25rem 3rem;
  max-width: 720px;
  margin: 0 auto;
}
.legal-page .legal-inner { width: 100%; }
.legal-page h1 { margin-bottom: 0.25rem; }
.legal-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}
.legal-page section {
  margin-bottom: 2rem;
}
.legal-page section h2 { margin-top: 1.5rem; }
.legal-page section h3 { font-size: 1.1rem; margin-top: 1rem; }
.legal-page ul { margin-bottom: 0.75em; }
.contact-info p { margin-bottom: 1rem; }
.contact-form label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  max-width: 400px;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(26,29,46,0.15);
  border-radius: var(--radius-sm);
  font: inherit;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .form-consent {
  margin: 1.25rem 0;
  font-size: 0.9rem;
}
.contact-form .form-consent label { display: inline; margin: 0; font-weight: normal; }
.contact-form .required { color: var(--accent); }
.contact-form .btn { margin-top: 0.5rem; }
.contact-form-success {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--accent-2-soft);
  color: var(--text);
  border-radius: var(--radius-sm);
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--accent-3);
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  z-index: 50;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover { transform: translateY(-2px); opacity: 1; }

/* --- Lazy image fade-in (class added by JS) --- */
img[loading="lazy"].fade-in {
  opacity: 0;
  transition: opacity 0.4s ease-out;
}
img[loading="lazy"].fade-in.visible {
  opacity: 1;
}

/* --- Responsive tweaks --- */
@media (max-width: 640px) {
  .hero-images { grid-template-columns: 1fr; }
  .diet-images, .food-imgs, .training-images { grid-template-columns: 1fr; }
}