:root {
  --tcd-red: #e75a4d;
  --tcd-red-dark: #bd3f35;
  --tcd-ink: #17191d;
  --tcd-muted: #626872;
  --tcd-line: #dfe2e7;
  --tcd-surface: #f5f6f8;
  --tcd-white: #fff;
  --tcd-content-narrow: 900px;
  --tcd-radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--tcd-ink);
  background: var(--tcd-white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

body.nav-open { overflow: hidden; }

a { color: var(--tcd-red-dark); }
a:hover { color: var(--tcd-red); }

:focus-visible {
  outline: 3px solid #1b70d1;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 0.65rem 1rem;
  color: var(--tcd-white);
  background: var(--tcd-ink);
  transform: translateY(-150%);
}

.skip-link:focus { transform: none; }

.site-header {
  position: relative;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid #e7e7e4;
  background: #fff;
}

.site-header__inner {
  display: flex;
  width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max));
  min-height: 88px;
  margin: 0 auto;
  align-items: center;
}

.site-logo { display: inline-flex; flex: 0 0 auto; align-items: center; }
.site-logo img { display: block; width: 250px; max-width: 100%; height: auto; }

.nav-toggle {
  display: none;
}

.site-nav { margin-left: auto; }

.site-nav ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: clamp(16px, 1.55vw, 30px);
  list-style: none;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  padding: 0;
  align-items: center;
  color: var(--tcd-ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  content: "";
  background: #e5553f;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after,
.site-nav a:not(.nav-cta)[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-cta {
  min-height: 46px;
  padding: 0 22px;
  color: var(--tcd-white);
  background: #e5553f;
  transition: background-color 180ms ease;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible { color: var(--tcd-white); background: #c94533; }

.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--tcd-white);
  background: #222;
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(8, 10, 13, 0.9), rgba(8, 10, 13, 0.48));
}

.page-hero--trial { background: url("assets/images/6df722865c60286a-header_training.jpg") center 45% / cover; }
.page-hero--faq { background: url("assets/images/503e0dedb48e0d5f-header_verein.jpg") center / cover; }

.page-hero__inner,
.content-shell,
.site-footer__inner {
  width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max));
  margin-inline: auto;
}

.page-hero__inner {
  position: relative;
  padding: clamp(4rem, 9vw, 8rem) 0;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: #ffd1cd;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4.6rem);
  line-height: 1.05;
}

.page-hero p:last-child { max-width: 760px; margin: 1.35rem 0 0; font-size: 1.15rem; }

.content-shell { padding: var(--tcd-section-space) 0; }
.content-shell--narrow { max-width: none; }
.content-shell--narrow > * { max-width: var(--tcd-content-narrow); }

.lead { margin-top: 0; font-size: clamp(1.12rem, 2vw, 1.35rem); line-height: 1.65; }

.content-section { margin-top: var(--tcd-section-stack); scroll-margin-top: 110px; }
.content-section:first-child { margin-top: 0; }

.content-section h2 {
  margin: 0 0 var(--tcd-heading-gap);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.2;
}

.content-section h3 { margin: 2rem 0 0.6rem; font-size: 1.25rem; line-height: 1.3; }

.message-box,
.steps,
.cta-panel {
  border-radius: var(--tcd-radius);
}

.message-box {
  margin: 2rem 0;
  padding: 1.4rem 1.6rem;
  border-left: 5px solid var(--tcd-red);
  background: var(--tcd-surface);
  font-size: 1.08rem;
}

.steps {
  display: grid;
  margin: 2rem 0;
  padding: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--tcd-line);
  list-style: none;
}

.steps li { padding: 1.2rem; border-right: 1px solid var(--tcd-line); }
.steps li:last-child { border-right: 0; }

.faq-section { margin-top: var(--tcd-section-space-compact); scroll-margin-top: 110px; }
.faq-section h2 { margin-bottom: 1.25rem; font-size: clamp(1.55rem, 3vw, 2.2rem); }

.faq-list { border-top: 1px solid var(--tcd-line); }

.faq-list details { border-bottom: 1px solid var(--tcd-line); }
.faq-list summary {
  position: relative;
  padding: 1.1rem 3rem 1.1rem 0;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.4;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 1rem; right: 0.25rem; content: "+"; color: var(--tcd-red-dark); font-size: 1.6rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 3rem 1.25rem 0; color: var(--tcd-muted); }

.button-row { display: flex; margin-top: var(--tcd-copy-gap); flex-wrap: wrap; gap: 0.8rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0.7rem 1.2rem;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--tcd-red);
  border-radius: 999px;
  color: var(--tcd-white);
  background: var(--tcd-red);
  font-weight: 700;
  text-decoration: none;
}

.button:hover { color: var(--tcd-white); background: var(--tcd-red-dark); border-color: var(--tcd-red-dark); }
.button--secondary { color: var(--tcd-red-dark); background: transparent; }
.button--secondary:hover { color: var(--tcd-white); }

.cta-panel { margin-top: clamp(3.5rem, 6vw, 4rem); padding: clamp(2rem, 5vw, 3.5rem); color: var(--tcd-white); background: var(--tcd-ink); }
.cta-panel h2 { margin-top: 0; color: var(--tcd-white); }

.site-footer { padding: 2.5rem 0; color: #d7d9dd; background: #111317; }
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer a { color: var(--tcd-white); }

@media (max-width: 1180px) {
  .site-header__inner { width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max)); }
  .site-logo img { width: 210px; }
  .site-nav ul { gap: 14px; }
  .site-nav a { font-size: 12px; }
  .site-nav .nav-cta { padding-right: 16px; padding-left: 16px; }
}

@media (max-width: 960px) {
  .site-header__inner { min-height: 76px; }
  .site-logo { position: relative; z-index: 2; }
  .site-logo img { width: min(225px, 60vw); }
  .nav-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    width: 46px;
    height: 46px;
    margin: 0 0 0 auto;
    padding: 12px;
    gap: 5px;
    border: 0;
    border-radius: 0;
    background: transparent;
  }
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--tcd-ink);
    transition: transform 180ms ease, opacity 180ms ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    max-height: 0;
    overflow: hidden;
    background: var(--tcd-white);
    visibility: hidden;
    opacity: 0;
    transition: max-height 260ms ease, opacity 180ms ease, visibility 180ms ease;
  }
  .site-nav.is-open { max-height: calc(100vh - 76px); overflow-y: auto; border-top: 1px solid #e7e7e4; visibility: visible; opacity: 1; }
  .site-nav ul { display: block; width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max)); margin: 0 auto; padding: 14px 0 24px; }
  .site-nav a { display: flex; min-height: 49px; border-bottom: 1px solid #ededeb; font-size: 13px; }
  .site-nav a:not(.nav-cta)::after { display: none; }
  .site-nav .nav-cta { justify-content: center; margin-top: 14px; border: 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; border-bottom: 1px solid var(--tcd-line); }
  .steps li:last-child { border-bottom: 0; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .site-header__inner, .site-nav ul { width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max)); }
  .site-header__inner { min-height: 70px; }
  .site-logo img { width: min(205px, 62vw); }
  .site-nav.is-open { max-height: calc(100vh - 70px); }
  .page-hero__inner, .content-shell, .site-footer__inner { width: min(calc(100% - var(--tcd-page-padding) - var(--tcd-page-padding)), var(--tcd-container-max)); }
  .page-hero__inner { padding: 3.5rem 0; }
  .site-footer__inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-nav, .nav-toggle span { transition: none; }
}