/* ==========================================================================
   Nitschke Professional Endurance Coaching – Stylesheet
   ========================================================================== */

@font-face {
  font-family: "Red Hat Display";
  src: url("../fonts/red-hat-display-variable.woff2") format("woff2");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #2a2e40;
  --navy-deep: #10172d;
  --teal: #00a3b2;
  --teal-dark: #0192a8;
  --red: #fa2a20;
  --lime: #dbf918;
  --white: #ffffff;
  --ink: #111111;
  --muted: #5b6070;
  --font: "Red Hat Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(16px, 1.1vw + 10px, 19px);
  line-height: 1.75;
  color: var(--ink);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4, h5 { margin: 0 0 .6em; line-height: 1.2; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--white); color: var(--ink); padding: 10px 16px; font-weight: 700;
}
.skip-link:focus { top: 16px; }

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

.divider {
  border: 0;
  border-top: 1px dashed rgba(255, 255, 255, .31);
  margin: 0;
}

/* ---------- Button ---------------------------------------------------- */

.btn {
  display: inline-block;
  font: 700 clamp(14px, 1.2vw + 6px, 22px)/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .3em;
  color: var(--white);
  background: transparent;
  text-decoration: none;
  padding: 18px 0 14px;
  border: 2px solid transparent;
  box-shadow: 0 2px 0 0 var(--red);
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
}
.btn:hover, .btn:focus-visible {
  background: var(--white);
  color: #000;
  padding-left: 18px; padding-right: 14px;
  box-shadow: 0 8px 0 0 var(--red);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  color: var(--white);
  background-color: var(--navy);
  background-image:
    radial-gradient(circle at top right, rgba(42, 46, 64, .07) 0%, var(--navy) 90%),
    url("../img/hero-2048.webp");
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

@media (max-width: 1280px) {
  .hero {
    background-image:
      radial-gradient(circle at top right, rgba(42, 46, 64, .07) 0%, var(--navy) 90%),
      url("../img/hero-1280.webp");
  }
}
@media (max-width: 980px) {
  .hero {
    background-image:
      linear-gradient(90deg, rgba(42, 46, 64, .75) 0%, rgba(42, 46, 64, .25) 70%, rgba(42, 46, 64, 0) 100%),
      radial-gradient(circle at top right, rgba(42, 46, 64, .1) 0%, var(--navy) 95%),
      url("../img/hero-mobil.webp");
    background-size: 100% auto;
  }
}

.hero__top {
  width: min(80%, 1080px);
  margin: 0 auto;
  padding-top: 6vh;
}

.hero__intro {
  width: 90%;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) 0 0 3%;
  min-height: 52vh;
}

.hero__kicker {
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(13px, 2vw, 28px);
  letter-spacing: .2em;
  line-height: 2.4;
  margin: 0;
}

.hero__title {
  font-weight: 300;
  text-transform: uppercase;
  font-size: clamp(40px, 6vw, 112px);
  letter-spacing: 1px;
  line-height: 1.2;
  max-width: 80%;
  margin: 0 0 clamp(24px, 3vw, 44px);
}
.hero__title .br-mobile { display: none; }
.hero__kicker, .hero__title { text-shadow: 0 2px 18px rgba(16, 23, 45, .45); }

.hero__name-row,
.hero__contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.hero__name-row {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0) 15%, var(--navy) 100%);
  padding: 20px 20px 0;
  margin-top: clamp(16px, 6vh, 80px);
}
.hero__name {
  grid-column: 2;
  text-align: center;
  font-weight: 600;
  text-transform: uppercase;
  font-size: clamp(16px, 1.5vw, 28px);
  letter-spacing: 8px;
  line-height: 1.8;
  margin: 0;
}

.hero__contact {
  grid-column: 2;
  background: var(--teal);
  padding: clamp(36px, 4vw, 60px) clamp(20px, 3vw, 40px);
}
.hero__contact > * { max-width: 700px; margin-left: auto; margin-right: auto; }
.hero__contact h2 {
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 1.8;
  font-size: clamp(20px, 1.6vw + 6px, 30px);
  margin-bottom: .2em;
}
.hero__contact p { margin-top: 0; }

/* ---------- Disciplines row ------------------------------------------- */

.disciplines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}
.disciplines__image {
  position: relative;
  min-height: 320px;
  background:
    linear-gradient(180deg, #686868 0%, rgba(55, 55, 55, .24) 41%, rgba(0, 0, 0, .42) 100%),
    url("../img/radsport.webp") center / cover no-repeat;
  background-blend-mode: overlay;
}
.disciplines__card {
  background: var(--white);
  color: var(--ink);
  padding-bottom: 30px;
}
.disciplines__card h2 {
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(16px, 1.4vw, 26px);
  letter-spacing: 7px;
  line-height: 1.8;
  padding: 30px 40px 12px;
  margin: 0 0 18px;
  box-shadow: 20px 12px 0 0 var(--teal);
  position: relative;
}
.disciplines__list { list-style: none; margin: 0; padding: 0; }
.disciplines__list li {
  color: var(--teal);
  text-transform: uppercase;
  font-size: clamp(20px, 2.5vw, 44px);
  letter-spacing: 10px;
  line-height: 2;
  padding: 10px 40px;
  border-left: 0 solid var(--lime);
  transition: border-width .3s var(--ease), padding .3s var(--ease), box-shadow .3s var(--ease);
  overflow-wrap: anywhere;
}
.disciplines__list li:hover {
  border-left-width: 8px;
  padding-left: 32px;
  box-shadow: 0 2px 40px rgba(0, 0, 0, .12);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form { display: grid; gap: 28px; margin-top: 24px; }
.form__field { position: relative; }
.form__field label {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: clamp(12px, .8vw + 6px, 16px);
  margin-bottom: 4px;
}
.form input[type="text"],
.form input[type="email"],
.form textarea {
  width: 100%;
  font: 600 clamp(16px, 1vw + 6px, 20px)/1.6 var(--font);
  letter-spacing: 1px;
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  padding: 8px 0;
  -webkit-appearance: none;
  appearance: none;
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form textarea:focus {
  outline: none;
  border-bottom-width: 2px;
  border-bottom-color: var(--lime);
}
.form--dark input, .form--dark textarea { border-bottom-color: rgba(255, 255, 255, .5); }
.form--light input:focus, .form--light textarea:focus { border-bottom-color: var(--teal); }
.form [aria-invalid="true"] { border-bottom-color: var(--red) !important; }

.form__error {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
  min-height: 0;
}
.form--dark .form__error { color: #fff3a8; }
.form--light .form__error { color: #c4170f; }

.form__consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.5;
}
.form__consent input {
  flex: 0 0 auto;
  width: 20px; height: 20px;
  margin-top: 1px;
  accent-color: var(--navy);
}
.form__consent a { font-weight: 700; }

/* Honeypot – für Menschen unsichtbar */
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__submit {
  justify-self: start;
  font: 800 clamp(13px, .6vw + 9px, 16px)/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 5px;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 18px 16px;
  box-shadow: 0 0 0 1px currentColor;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), box-shadow .3s var(--ease);
}
.form__submit:hover, .form__submit:focus-visible {
  background: var(--white);
  color: #000;
  box-shadow: 0 0 0 2px var(--white);
}
.form--light .form__submit:hover, .form--light .form__submit:focus-visible {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 0 0 2px var(--navy);
}
.form__submit[disabled] { opacity: .6; cursor: progress; }

.form__status {
  font-weight: 700;
  padding: 14px 16px;
  margin: 0;
  line-height: 1.5;
}
.form__status:empty { display: none; }
.form__status--ok { background: rgba(255, 255, 255, .92); color: #0b6b3a; }
.form__status--error { background: rgba(255, 255, 255, .92); color: #b3140c; }

/* ==========================================================================
   About / Kontakt
   ========================================================================== */

.about {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 1%, rgba(255, 255, 255, .86) 100%),
    url("../img/schwimmen-1920.webp") center / cover no-repeat;
  padding: 8px 0 12vw;
}
@media (max-width: 1024px) {
  .about {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0) 1%, rgba(255, 255, 255, .86) 100%),
      url("../img/schwimmen-1024.webp") center / cover no-repeat;
  }
}
.about__wave {
  position: absolute; top: 0; left: 0; width: 100%; height: clamp(40px, 8vw, 120px);
  transform: scaleX(-1);
  pointer-events: none;
}
.about__wave path { fill: rgba(0, 163, 178, .47); }
.about .divider { width: min(80%, 1080px); margin: 0 auto; border-top-color: rgba(250, 42, 32, .19); position: relative; }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 80%;
  margin: 20vh 0 0 auto;
  padding-right: 15vh;
}
.about__col {
  background: rgba(255, 255, 255, .88);
  padding: clamp(20px, 3vw, 40px);
}
.about h2 {
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 1.8;
  font-size: clamp(20px, 1.7vw + 4px, 34px);
  margin-bottom: .1em;
}
.about__lead { margin-top: 0; }

.contact-list { list-style: none; margin: 2vh 0 0; padding: 0; display: grid; gap: 2vh; }
.contact-list a {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: clamp(16px, 1.2vw + 4px, 24px);
  letter-spacing: 2px;
  line-height: 1.2;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-list a:hover { color: var(--teal-dark); }
.contact-list svg { flex: 0 0 auto; width: clamp(24px, 1.7vw, 32px); height: auto; fill: var(--teal); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(0, 172, 191, .89) 28%, rgba(1, 146, 168, .8) 71%, rgba(16, 23, 45, .16) 99%),
    url("../img/schwimmen-1024.webp") center bottom / cover no-repeat;
  padding: 24px 0 23px;
  font-weight: 700;
  font-size: 15px;
}
.site-footer__inner {
  width: 90%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 24px;
  align-items: center;
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--white); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__mid { text-align: center; }
.site-footer__end { text-align: right; }
.site-footer .sep { opacity: .7; margin: 0 .4em; }

/* ==========================================================================
   Rechtstexte (Impressum, Datenschutz)
   ========================================================================== */

.legal-header {
  color: var(--white);
  background:
    radial-gradient(circle at top right, rgba(42, 46, 64, .3) 0%, var(--navy) 80%),
    url("../img/hero-1280.webp") center 30% / cover no-repeat;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 80px);
}
.legal-header__inner, .legal { width: min(100% - 2 * var(--gutter), 900px); margin: 0 auto; }
.legal-header .back {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: clamp(24px, 4vw, 48px);
  border-bottom: 2px solid var(--red);
}
.legal-header .back:hover { color: var(--lime); }
.legal-header h1 {
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: clamp(24px, 6.4vw, 72px);
  margin: 0;
  overflow-wrap: break-word;
}
.legal-main { background: var(--white); padding: clamp(32px, 5vw, 72px) 0 clamp(48px, 6vw, 96px); }
.legal { overflow-wrap: anywhere; hyphens: auto; }
.legal h2 {
  font-size: clamp(22px, 2vw + 8px, 32px);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 1.8em;
  color: var(--navy);
}
.legal h3 { font-size: clamp(18px, 1vw + 10px, 23px); margin-top: 1.6em; color: var(--navy); }
.legal h4 { font-size: 18px; margin-top: 1.4em; }
.legal h5 { font-size: 16px; margin-top: 1.2em; text-transform: uppercase; letter-spacing: 1px; }
.legal a { color: var(--teal-dark); }
.legal > :first-child { margin-top: 0; }

/* ==========================================================================
   Einblend-Animationen (nur, wenn Bewegung erlaubt ist)
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .reveal-on .reveal { opacity: 0; transform: translateX(var(--from, 0)) translateY(var(--from-y, 24px)); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); transition-delay: var(--delay, 0ms); }
  .reveal-on .reveal--right { --from: 3%; --from-y: 0; }
  .reveal-on .reveal.is-visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

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

@media (max-width: 980px) {
  .hero__top { width: 90%; }
  .hero__intro { padding-left: 0; min-height: 0; padding-bottom: 40px; }
  .hero__title { max-width: 100%; font-size: clamp(40px, 7vw, 80px); letter-spacing: 6px; line-height: 1.4; }
  .hero__name-row { margin-top: 19vw; }
  .hero__name { font-size: clamp(16px, 2.6vw, 24px); }
  .hero__contact-row { grid-template-columns: 1fr; }
  .hero__contact { grid-column: 1; }
  .hero__name-row { grid-template-columns: 1fr; }
  .hero__name { grid-column: 1; }

  .disciplines { grid-template-columns: 1fr 1fr; }
  .disciplines__image { min-height: 0; padding: 16vh 0; }
  .disciplines__spacer { display: none; }
  .disciplines__card h2 { box-shadow: 15px 12px 0 0 var(--teal); }

  .about__grid { grid-template-columns: 1fr; width: 80%; margin: 20vh auto 0; padding-right: 0; }

  .site-footer__inner { grid-template-columns: 1fr; text-align: center; }
  .site-footer__end { text-align: center; }
}

@media (max-width: 640px) {
  .hero__intro { width: 100%; padding-left: var(--gutter); padding-right: var(--gutter); }
  .hero__kicker { letter-spacing: 3px; font-size: 14px; }
  .hero__title { font-size: clamp(34px, 10.5vw, 56px); letter-spacing: 4px; line-height: 1.35; }
  .hero__title .br-mobile { display: inline; }
  .hero__name-row { padding: 20px var(--gutter) 0; background: linear-gradient(180deg, rgba(42, 46, 64, 0) 0%, var(--navy) 100%); }
  .hero__name { letter-spacing: 6px; }
  .hero__contact { padding: 40px var(--gutter); }

  .disciplines { grid-template-columns: 1fr; }
  .disciplines__card h2 { padding: 26px var(--gutter) 12px; box-shadow: 12px 12px 0 0 var(--teal); margin-right: 12px; }
  .disciplines__list li { padding: 6px var(--gutter); letter-spacing: 6px; }
  .disciplines__list li:hover { padding-left: calc(var(--gutter) - 8px); }

  .about__grid { width: calc(100% - 2 * var(--gutter)); margin-top: 14vh; }
  .btn { letter-spacing: .2em; }
}