/* ==========================================================================
   Line Traction – www.line-traction.de
   ========================================================================== */

@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("/assets/fonts/roboto-black-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("/assets/fonts/roboto-black-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/assets/fonts/roboto-light-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/assets/fonts/roboto-light-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg-dark: #14161a;
  --bg-panel: #1d2025;
  --bg-light: #ffffff;
  --bg-grey: #f2f3f4;
  --text-dark: #23262b;
  --text-light: #f2f3f5;
  --text-muted: #5f6360;
  --text-muted-dark: #a7abb1;
  --accent: #C69114;
  --accent-hover: #DBA52B;
  --gold: #c9a24a;
  --max-w: 1120px;
  --radius: 6px;
  --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Roboto", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--text-dark);
  background: var(--bg-dark);
  line-height: 1.65;
}

img, video { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 900;
}

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

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------- header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(20, 22, 26, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  white-space: nowrap;
}
.brand strong { color: var(--accent-hover); }
.brand:hover { color: #fff; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.main-nav a {
  color: var(--text-light);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
}
.main-nav a:hover { color: var(--accent-hover); }

.lang-switch {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  padding: 3px 10px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}

/* ----------------------------------------------------------------- hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: var(--text-light);
}

.hero video,
.hero .hero-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(10, 11, 13, 0.55), rgba(10, 11, 13, 0.65));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 190px 24px 80px;
  max-width: 900px;
}

.hero-logo {
  width: 240px;
  margin: 40px auto 44px;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}
.hero-logo img { display: block; }

.hero-kicker {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 12px 0 8px;
}
.hero h1 strong { color: var(--accent-hover); }

.hero-claim {
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.06em;
}

.hero-award {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  padding: 10px 22px;
  border: 1px solid rgba(201, 162, 74, 0.65);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
}
.hero-award img { width: 54px; height: auto; }
.hero-award span {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-align: left;
}

.hero-partners {
  margin-top: 40px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}
.hero-partners a {
  color: var(--text-light);
  margin: 0 10px;
  white-space: nowrap;
}
.hero-partners a:hover { color: var(--accent-hover); }

.hero-ctas { margin-top: 36px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* -------------------------------------------------------------- buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--text-light);
  background: transparent;
}
.btn-outline:hover { border-color: #fff; color: #fff; }

.btn-outline-dark {
  border-color: var(--text-dark);
  color: var(--text-dark);
  background: transparent;
}
.btn-outline-dark:hover { border-color: var(--accent); color: var(--accent); }

/* ------------------------------------------------------------- sections */
section { padding: 88px 0; }

.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-panel { background: var(--bg-panel); color: var(--text-light); }
.section-light { background: var(--bg-light); }
.section-grey { background: var(--bg-grey); }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }

.section-head .kicker {
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-dark .section-head .kicker,
.section-panel .section-head .kicker { color: var(--accent-hover); }

.section-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  letter-spacing: 0.02em;
}

.section-head .sub {
  margin-top: 12px;
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1.05rem;
}
.section-dark .section-head .sub,
.section-panel .section-head .sub { color: var(--text-muted-dark); }

/* --------------------------------------------------------------- vision */
.vision-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: center;
}

.vision-grid img {
  width: 100%;
  border-radius: 50%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: 48% 30%;
  border: 3px solid rgba(255, 255, 255, 0.15);
}

blockquote.vision-quote {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
}

.vision-author { margin-top: 20px; font-style: normal; }
.vision-author strong { display: block; font-size: 1.05rem; font-weight: 600; }
.vision-author span { color: var(--text-muted-dark); font-size: 0.9rem; }

/* --------------------------------- medal video (Full-Width-Band im Weg) */
.medal-figure {
  width: 100%;
  margin: 0;
  overflow: hidden;
}
.medal-figure video {
  display: block;
  width: 100%;
  height: auto; /* Video ist 4:1 (2560x640), volle Medaille immer sichtbar */
}

@media (max-width: 700px) {
  .medal-figure video {
    height: 220px;
    object-fit: cover;
    object-position: center;
  }
}

/* ------------------------------------------------------ partner formula */
.partner-formula {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 0 auto 64px;
}

.pf-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 210px;
}

.partner-formula .card { flex: 1 1 240px; max-width: 310px; }

.pf-equals {
  display: flex;
  align-items: center;
  gap: 16px;
  align-self: center;
}

.pf-item img { height: 56px; width: auto; }

.pf-wordmark {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.3rem;
  color: #1a1c1f;
  line-height: 1.15;
  text-align: center;
}
.pf-wordmark span { color: var(--accent); }

.pf-role {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
}

.pf-op {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--accent-hover);
  align-self: center;
}

.pf-result {
  font-family: var(--font-head);
  font-weight: 300;
  font-size: 1.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-light);
  align-self: center;
  white-space: nowrap;
}
.pf-result strong { color: var(--accent-hover); }
.pf-result-logo { width: 200px; height: auto; display: block; }
.partner-reference { max-width: 820px; margin: 0 auto 64px; }
.partner-reference .card { text-align: center; }
.partner-reference .card-logo { justify-content: center; }


/* --------------------------------------------------------------- quotes */
.quote-card { margin: 0; display: flex; flex-direction: column; justify-content: space-between; }
.quote-card blockquote {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text-light);
}
.quote-card figcaption strong { display: block; color: var(--accent-hover); font-weight: 700; }
.quote-card figcaption span { display: block; font-size: 0.85rem; color: var(--text-muted-dark); margin-top: 2px; }

/* ---------------------------------------------------------------- cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  padding: 28px;
}

.section-light .card,
.section-grey .card {
  background: #fff;
  border: 1px solid #e2e4e7;
  box-shadow: 0 2px 10px rgba(20, 22, 26, 0.05);
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.card-logo {
  display: flex;
  align-items: center;
  height: 52px;
  margin-bottom: 16px;
}
.card-logo img { max-height: 52px; width: auto; max-width: 180px; }

.card .card-tag {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.card p { font-size: 0.95rem; color: inherit; }
.card .btn { margin-top: 18px; }

/* ------------------------------------------------------------ media rows */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}
.media-row:last-child { margin-bottom: 0; }

.media-row.reverse > .media-figure { order: 2; }

.media-figure img {
  width: 100%;
  border-radius: var(--radius);
}
.media-figure.on-white img { background: #fff; padding: 12px; }

.media-copy h3 {
  font-size: 1.45rem;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}
.media-copy p { margin-bottom: 14px; }
.media-copy p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------------- video */
.video-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}
.video-frame video { width: 100%; }

.video-actions { margin-top: 22px; text-align: center; }

/* -------------------------------------------------------------- science */
.science { position: relative; overflow: hidden; }
.science .bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
}
.science .container { position: relative; z-index: 1; }

.science-powered {
  text-align: center;
  margin-top: 44px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.science-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.science-logos img { height: 60px; width: auto; }

/* ------------------------------------------------------ benefits (Piktos) */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 28px;
  margin: 28px 0 36px;
}

.benefit { text-align: center; }
.benefit img { height: 92px; width: auto; margin: 0 auto 14px; }
.benefit h4 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 6px;
}
.benefit p { font-size: 0.92rem; color: var(--text-muted); }

@media (max-width: 860px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
}
@media (max-width: 520px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- forms */
.form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #e2e4e7;
  box-shadow: 0 4px 24px rgba(20, 22, 26, 0.08);
  padding: 40px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }

label { display: block; font-size: 0.88rem; margin-bottom: 6px; color: var(--text-muted); }

input[type="text"], input[type="email"], input[type="tel"], textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c9ccd1;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text-dark);
}
input:focus, textarea:focus { outline: 2px solid rgba(198, 145, 20, 0.35); border-color: var(--accent); }

textarea { min-height: 140px; resize: vertical; }

.checkbox-row { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; color: var(--text-muted); }
.checkbox-row input { margin-top: 4px; }

.form-status { margin-top: 16px; font-size: 0.95rem; display: none; }
.form-status.ok { display: block; color: #22753c; }
.form-status.err { display: block; color: var(--accent); }

/* --------------------------------------------------------------- footer */
.site-footer {
  background: #0e0f12;
  color: var(--text-muted-dark);
  padding: 48px 0 36px;
  font-size: 0.9rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.site-footer a { color: var(--text-light); }
.site-footer a:hover { color: var(--accent-hover); }

.footer-partners { display: flex; gap: 18px; flex-wrap: wrap; }

/* ------------------------------------------------------------ subpages */
.page-hero {
  padding: 150px 0 60px;
  background: var(--bg-dark);
  color: var(--text-light);
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); letter-spacing: 0.02em; }
.page-hero p { margin-top: 12px; color: var(--text-muted-dark); font-weight: 300; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 860px) {
  section { padding: 64px 0; }

  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(20, 22, 26, 0.97);
    padding: 18px 24px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .main-nav.open { display: flex; }

  .vision-grid { grid-template-columns: 1fr; text-align: center; }
  .vision-grid img { max-width: 220px; margin: 0 auto; }

  .pf-op { font-size: 1.8rem; }
  .pf-result { font-size: 1.4rem; }
  .pf-result-logo { width: 160px; }

  .media-row { grid-template-columns: 1fr; gap: 28px; margin-bottom: 56px; }
  .media-row.reverse > .media-figure { order: 0; }

  .form-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 28px 20px; }
}