/* ============================================================
   KRAFTRAUM - Training Club Stuttgart (Konzept-Demo)
   Richtung: Athletic Brutalism, hell.
   Beton-Grund, Ink-Typo, ein Signalrot. Fotos einheitlich s/w.
   Display: Anton | Body: Inter
   ============================================================ */

:root {
  --beton: #EAE8E3;
  --beton-tief: #DFDCD4;
  --ink: #171613;
  --ink-weich: #2A2823;
  --stahl: #6E6A5F;
  --signal: #D6381B;
  --signal-tief: #B92D12;
  --papier: #F4F3EF;
  --hell: #EAE8E3;
  --hell-stahl: #A5A199;
  --linie: 2px solid var(--ink);
  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 48px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  background: var(--beton);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

a, button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }

h1, h2, h3 { text-wrap: balance; }

/* Skip-Link: unsichtbar bis Tastatur-Fokus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--beton);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 20px;
}
.skip-link:focus {
  left: 0;
}

::selection { background: var(--signal); color: var(--papier); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 17px 30px;
  border: var(--linie);
  border-radius: 2px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn--solid { background: var(--ink); color: var(--beton); }
.btn--solid:hover { background: var(--signal); border-color: var(--signal); color: var(--papier); transform: translateY(-2px); }
.btn--line { background: transparent; color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--beton); transform: translateY(-2px); }
.btn--invert { background: var(--beton); color: var(--ink); border-color: var(--beton); }
.btn--invert:hover { background: var(--signal); border-color: var(--signal); color: var(--papier); }
.btn--breit { width: 100%; }

/* ============ Eyebrow / Section-Kopf ============ */
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--signal);
  vertical-align: middle;
  margin-right: 10px;
}
.eyebrow--light { color: var(--signal); }

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 130px) var(--pad);
}

.section-head { max-width: 780px; margin-bottom: clamp(40px, 6vw, 72px); }

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 88px);
  line-height: .95;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.section-sub {
  margin-top: 22px;
  font-size: 17px;
  color: var(--stahl);
  max-width: 620px;
}

.accent { color: var(--signal); }

/* ============ Navigation ============ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(234, 232, 227, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--linie);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nav-logo span { color: var(--signal); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
}
.nav-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link--cta {
  border: var(--linie);
  border-radius: 2px;
  padding: 10px 20px;
  transition: background .18s ease, color .18s ease;
}
.nav-link--cta:hover { background: var(--signal); border-color: var(--signal); color: var(--papier); }
.nav-link--cta::after { display: none; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 7px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 6px;
  z-index: 120;
}
.nav-burger span {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--ink);
  transition: transform .25s ease, opacity .25s ease, background .25s ease;
}

/* ============ Hero ============ */
.hero {
  padding-top: 68px;
  border-bottom: var(--linie);
}
.hero-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) var(--pad) clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(64px, 9.5vw, 132px);
  line-height: .92;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.hero-title .line { display: block; }
.hero-title .line--accent { color: var(--signal); }
.hero-sub {
  margin-top: 28px;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--stahl);
  max-width: 520px;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-media {
  margin-right: 14px;
  margin-bottom: 14px;
}
.hero-bild {
  position: relative;
}
.hero-bild::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 2px solid var(--signal);
  z-index: -1;
}
.hero-bild img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
  border: var(--linie);
}
.hero-caption {
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--stahl);
}

/* ============ Ticker ============ */
.ticker {
  background: var(--ink);
  border-top: var(--linie);
  overflow: hidden;
  padding: 14px 0;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: ticker-lauf 30s linear infinite;
}
.ticker-track span {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--beton);
  white-space: nowrap;
}
.ticker-track i {
  font-style: normal;
  font-size: 10px;
  color: var(--signal);
}
@keyframes ticker-lauf {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}

/* ============ Zahlen ============ */
.stats { border-bottom: var(--linie); background: var(--papier); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 48px);
  border-left: var(--linie);
}
.stat:first-child { border-left: none; }
.stat dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--stahl);
  margin-bottom: 6px;
}
.stat dd {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1;
}
.stat dd small {
  font-size: .45em;
  color: var(--signal);
  letter-spacing: 1px;
}

/* ============ Training ============ */
.training-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.tcard-media {
  overflow: hidden;
  border: var(--linie);
}
.tcard-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
  transition: filter .45s ease, transform .45s ease;
}
.tcard:hover .tcard-media img {
  filter: grayscale(0) contrast(1);
  transform: scale(1.025);
}
.tcard h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 20px 0 8px;
}
.tcard p { color: var(--stahl); max-width: 520px; }

/* ============ Kursplan (Signature) ============ */
.section--ink {
  max-width: none;
  background: var(--ink);
  color: var(--hell);
}
.section--ink .section-head,
.section--ink .plan {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.section--ink .section-sub { color: var(--hell-stahl); }

.plan-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.plan-tab {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--hell-stahl);
  background: transparent;
  border: 2px solid rgba(234, 232, 227, .22);
  border-radius: 2px;
  padding: 10px 0;
  flex: 1 1 0;
  min-width: 52px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.plan-tab:hover { border-color: var(--hell); color: var(--hell); }
.plan-tab.is-active {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--papier);
}

.plan-panel { border-top: 2px solid rgba(234, 232, 227, .22); }

.plan-row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 150px 90px;
  align-items: center;
  gap: 16px;
  padding: 17px 6px;
  border-bottom: 1px solid rgba(234, 232, 227, .14);
  transition: background .15s ease;
}
.plan-row:hover { background: rgba(234, 232, 227, .05); }
.p-zeit {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 1px;
  color: var(--signal);
}
.p-kurs { font-weight: 600; font-size: 16.5px; }
.p-coach { color: var(--hell-stahl); font-size: 14.5px; }
.p-int { text-align: right; font-size: 13px; letter-spacing: 3px; color: var(--signal); white-space: nowrap; }
.p-int i { font-style: normal; color: rgba(234, 232, 227, .22); }

.plan-legende {
  margin-top: 22px;
  font-size: 13px;
  letter-spacing: .5px;
  color: var(--hell-stahl);
}

/* ============ Galerie ============ */
.galerie {
  background: var(--ink);
  border-top: var(--linie);
  border-bottom: var(--linie);
}
.galerie-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.galerie-strip img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
  transition: filter .45s ease;
}
.galerie-strip img:hover { filter: grayscale(0) contrast(1); }

/* ============ Preise ============ */
.preis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
  align-items: stretch;
}
.preis {
  position: relative;
  border: var(--linie);
  border-radius: 2px;
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  background: var(--papier);
}
.preis--top { background: var(--ink); color: var(--hell); }
.preis-badge {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--signal);
  color: var(--papier);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}
.preis-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.preis-betrag {
  font-family: var(--font-display);
  font-size: clamp(40px, 4vw, 52px);
  line-height: 1;
  margin-bottom: 26px;
}
.preis-betrag small {
  font-size: .32em;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--stahl);
}
.preis--top .preis-betrag small { color: var(--hell-stahl); }
.preis ul { list-style: none; display: grid; gap: 12px; margin-bottom: 30px; }
.preis li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: var(--stahl);
  line-height: 1.5;
}
.preis--top li { color: var(--hell-stahl); }
.preis li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 12px;
  background: var(--signal);
  clip-path: polygon(0 45%, 40% 45%, 40% 0, 60% 0, 60% 45%, 100% 45%, 100% 55%, 60% 55%, 60% 100%, 40% 100%, 40% 55%, 0 55%);
}
.preis .btn { margin-top: auto; }

/* ============ Coaches ============ */
.section--tief {
  max-width: none;
  background: var(--beton-tief);
  border-top: var(--linie);
}
.section--tief .section-head,
.section--tief .coach-grid {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.coach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.coach-media {
  overflow: hidden;
  border: var(--linie);
}
.coach-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
  transition: filter .45s ease, transform .45s ease;
}
.coach:hover .coach-media img {
  filter: grayscale(0) contrast(1);
  transform: scale(1.025);
}
.coach h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 25px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 20px 0 2px;
}
.coach-fokus {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 10px;
}
.coach p:not(.coach-fokus) { color: var(--stahl); font-size: 15px; }

/* ============ Zitat ============ */
.zitat {
  border-top: var(--linie);
  background: var(--papier);
  padding: clamp(72px, 9vw, 110px) var(--pad);
}
.zitat blockquote {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.zitat p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.18;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.zitat cite {
  display: block;
  margin-top: 24px;
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--signal);
}

/* ============ Probetraining / Kontakt ============ */
#probetraining { border-top: var(--linie); }
.kontakt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.info-liste {
  margin-top: 36px;
  display: grid;
  gap: 18px;
}
.info-liste div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(23, 22, 19, .15);
}
.info-liste dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--signal);
  padding-top: 3px;
}
.info-liste dd { font-size: 16px; }
.info-liste dd.zeiten {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 3px 20px;
}
.info-liste .z-tage {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--stahl);
  padding-top: 3px;
}
.info-liste a { border-bottom: 2px solid transparent; transition: border-color .15s ease; }
.info-liste a:hover { border-color: var(--signal); }

.kontakt-form {
  background: var(--papier);
  border: var(--linie);
  border-radius: 2px;
  padding: clamp(24px, 3vw, 40px);
  display: grid;
  gap: 20px;
}
.form-feld { display: grid; gap: 8px; }
.form-feld label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.form-feld .optional { color: var(--stahl); font-weight: 500; text-transform: none; letter-spacing: .3px; }
.form-feld input,
.form-feld select,
.form-feld textarea {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  background: var(--beton);
  border: 2px solid rgba(23, 22, 19, .25);
  border-radius: 2px;
  padding: 13px 14px;
  transition: border-color .15s ease;
  width: 100%;
}
.form-feld textarea { resize: vertical; }
.form-feld input:focus,
.form-feld select:focus,
.form-feld textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.form-feld input.fehler,
.form-feld select.fehler { border-color: var(--signal); }

.form-status { font-size: 15px; font-weight: 600; min-height: 1.4em; }
.form-status.ok { color: #2E7D32; }
.form-status.nicht-ok { color: var(--signal); }
.form-hinweis { font-size: 12.5px; color: var(--stahl); }

/* ============ Footer ============ */
.footer {
  background: var(--ink);
  color: var(--hell-stahl);
  border-top: var(--linie);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 72px) var(--pad);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 40px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--hell);
  margin-bottom: 12px;
}
.footer-logo span { color: var(--signal); }
.footer-brand p:not(.footer-logo) { font-size: 14.5px; line-height: 1.7; }
.footer-nav { display: grid; gap: 10px; align-content: start; }
.footer-nav a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  width: fit-content;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.footer-nav a:hover { color: var(--hell); border-color: var(--signal); }
.footer-legal { font-size: 13.5px; line-height: 1.8; }
.footer-legal a { color: var(--hell); border-bottom: 1px solid rgba(234, 232, 227, .35); transition: border-color .15s ease; }
.footer-legal a:hover { border-color: var(--signal); }

/* ============ Demo-Pill ============ */
.demo-pill {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(23, 22, 19, .93);
  backdrop-filter: blur(8px);
  color: var(--hell);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .4px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(234, 232, 227, .25);
  transition: transform .18s ease, border-color .18s ease;
}
.demo-pill:hover { transform: translateY(-2px); border-color: var(--signal); }
.demo-pill-punkt {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--signal);
  animation: pill-puls 2.2s ease-in-out infinite;
}
@keyframes pill-puls {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ============ Reveal-Animationen ============ */
body.js-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
body.js-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============ Responsive ============ */
@media (max-width: 1000px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid rgba(23, 22, 19, .15); }
  .stat:nth-child(odd) { border-left: none; }
  .galerie-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-menu {
    position: fixed;
    inset: 0;
    z-index: 110;
    background: var(--ink);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .nav-menu.is-open { transform: translateX(0); }
  .nav-menu .nav-link {
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 400;
    letter-spacing: 1.5px;
    color: var(--hell);
  }
  .nav-menu .nav-link--cta { border-color: var(--signal); color: var(--signal); padding: 14px 30px; }
  .nav-burger { display: flex; }
  .nav-burger.is-open span { background: var(--hell); }
  .nav-burger.is-open span:first-child { transform: translateY(5px) rotate(45deg); }
  .nav-burger.is-open span:last-child { transform: translateY(-5px) rotate(-45deg); }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { margin-right: 14px; }
  .hero-bild img { aspect-ratio: 4 / 3; }

  .training-grid { grid-template-columns: 1fr; }
  .preis-grid { grid-template-columns: 1fr; }
  .coach-grid { grid-template-columns: 1fr; }
  .kontakt-grid { grid-template-columns: 1fr; }

  .plan-row { grid-template-columns: 68px minmax(0, 1fr) 84px; }
  .p-coach { display: none; }

  .footer-inner { grid-template-columns: 1fr; gap: 28px; }

  .demo-pill { left: 12px; bottom: 12px; font-size: 11.5px; padding: 9px 13px; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; padding: 0; }
  .galerie-strip { grid-template-columns: 1fr 1fr; }
  .plan-tabs { gap: 6px; }
  .plan-tab { font-size: 15px; min-width: 38px; padding: 9px 0; }
}

/* ============ Reduzierte Bewegung ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .demo-pill-punkt { animation: none; }
  body.js-ready .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn, .tcard-media img, .coach-media img, .galerie-strip img { transition: none; }
}