/* ============================================================
   upeak v2 — Daten als Held
   ============================================================ */

:root {
  /* Farbsystem */
  --ink:        #0B0D11;
  --ink-2:      #11141A;
  --ink-3:      #181C24;
  --ink-4:      #222630;
  --paper:      #ECECEC;
  --paper-2:    #C2C7CF;
  --mid:        #6F7682;
  --mid-soft:   #8B92A0;
  --line:       rgba(236, 236, 236, 0.07);
  --line-strong: rgba(236, 236, 236, 0.18);

  /* Lab-Plot-Farben (Konvention aus der Sportphysiologie) */
  --c-watt:     #FF3D8C;   /* Magenta — Leistung */
  --c-hr:       #FF6B47;   /* Orange-Rot — Herzfrequenz */
  --c-lact:     #6FE4E9;   /* Cyan — Laktat */
  --c-vo2:      #C5FF6B;   /* Lime — VO2 */
  --c-rer:      #B47BFF;   /* Lila — RER */

  /* Typografie */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  /* Layout */
  --max:        1320px;
  --gutter:     clamp(1.25rem, 4vw, 3rem);
  --section-y:  clamp(5rem, 10vw, 9rem);

  /* Bewegung */
  --ease:       cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  background: var(--ink);
  color: var(--paper);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Lenis kompatibler Modus — Klassen werden vom JS gesetzt */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: clip; }

html, body { overflow-x: clip; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.005em;
  background:
    radial-gradient(1400px 900px at 78% -10%, #14181F 0%, transparent 55%),
    radial-gradient(1000px 800px at -8% 50%, #131720 0%, transparent 55%),
    var(--ink);
  background-attachment: fixed;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 200ms var(--ease), color 200ms var(--ease);
}
a:hover { opacity: 0.7; }

::selection { background: var(--c-lact); color: var(--ink); }

button { font-family: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }

/* ============================================================
   Utility
   ============================================================ */

.muted { color: var(--mid); }
.accent { color: var(--c-lact); }

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--cyan    { background: var(--c-lact); box-shadow: 0 0 8px var(--c-lact); }
.dot--magenta { background: var(--c-watt); box-shadow: 0 0 8px var(--c-watt); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid-soft);
  margin: 0 0 1.5rem;
}

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.2vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 2px;
  transition: all 240ms var(--ease);
  white-space: nowrap;
}
.btn .arr {
  display: inline-block;
  transition: transform 240ms var(--ease);
}
.btn:hover .arr { transform: translateX(3px); }

.btn--solid {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn--solid:hover {
  background: var(--c-lact);
  border-color: var(--c-lact);
  opacity: 1;
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--paper);
  opacity: 1;
}

.btn--lg {
  padding: 1.2rem 1.8rem;
  font-size: 0.82rem;
}

/* ============================================================
   Ticker / Status Bar
   ============================================================ */

.ticker {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  height: 28px;
  background: #000;
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--paper-2);
}
.ticker__track {
  display: inline-flex;
  white-space: nowrap;
  height: 100%;
  align-items: center;
  gap: 3rem;
  padding-left: 3rem;
  animation: tickerScroll 55s linear infinite;
}
.ticker__track span {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: fixed;
  top: 28px; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem var(--gutter);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  background: linear-gradient(to bottom, rgba(11,13,17,0.92), rgba(11,13,17,0.6));
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--paper);
}
.brand__mark {
  display: inline-block;
  width: 40px;
  height: 20px;
  color: var(--c-lact);
}
.brand__word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.brand__dot { color: var(--c-lact); }

.site-nav {
  display: flex;
  gap: clamp(0.6rem, 1.6vw, 1.5rem);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-nav a { color: var(--mid-soft); }
.site-nav a:hover { color: var(--paper); opacity: 1; }
.nav-cta {
  border: 1px solid var(--line-strong);
  padding: 0.5rem 0.9rem;
  color: var(--paper) !important;
  border-radius: 2px;
}
.nav-cta:hover {
  border-color: var(--c-lact);
  color: var(--c-lact) !important;
}

@media (max-width: 820px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(8rem, 14vw, 12rem) var(--gutter) clamp(4rem, 8vw, 6rem);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__plot {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}
.hero__plot svg {
  width: 100%; height: 100%;
}
.plot-line { stroke-dasharray: 4000; stroke-dashoffset: 4000; }

.hero__plot-readout {
  position: absolute;
  bottom: clamp(2rem, 5vw, 4rem);
  right: var(--gutter);
  z-index: 2;
  display: flex;
  gap: 1.5rem;
  padding: 0.85rem 1.2rem;
  background: rgba(11, 13, 17, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  font-family: var(--font-mono);
}
.readout__item {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
}
.readout__item em {
  font-style: normal;
  font-size: 0.62rem;
  color: var(--mid-soft);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.readout__item b {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--paper);
  font-feature-settings: "tnum";
}
.readout__item i {
  font-style: normal;
  font-size: 0.62rem;
  color: var(--mid);
}

@media (max-width: 600px) {
  .hero__plot-readout {
    left: var(--gutter);
    right: var(--gutter);
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
    bottom: 1.5rem;
  }
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid-soft);
  margin: 0 0 2.5rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(11,13,17,0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3.2rem, 10vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
}
.hero__title-line { display: block; }
.hero__title-line--accent {
  color: var(--c-lact);
  font-style: italic;
  font-weight: 400;
  padding-left: clamp(2rem, 8vw, 6rem);
}

.hero__lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.7vw, 1.4rem);
  line-height: 1.4;
  color: var(--paper);
  max-width: 50ch;
  margin: 0 0 2rem;
}
.hero__lede s {
  color: var(--mid);
  text-decoration-color: var(--c-watt);
  text-decoration-thickness: 2px;
}

.hero__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 3rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mid-soft);
}
.filter-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--paper);
  background: rgba(255,255,255,0.02);
  letter-spacing: 0.05em;
  transition: all 200ms var(--ease);
}
.filter-tag:hover {
  border-color: var(--c-lact);
  color: var(--c-lact);
}
.filter-note {
  margin-left: 0.4rem;
  font-style: italic;
  letter-spacing: 0.02em;
}

.hero__cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: var(--gutter);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mid);
}
.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--c-lact), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50%      { transform: scaleY(1);   transform-origin: top; opacity: 1; }
}

@media (max-width: 600px) {
  .hero__scroll { display: none; }
}

/* ============================================================
   PROOF / 4-WERTE-DEMO
   ============================================================ */

.proof {
  padding: var(--section-y) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.proof__intro {
  max-width: 70ch;
  margin: 0 0 clamp(3rem, 5vw, 5rem);
}
.proof__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin: 0 0 1.25rem;
}
.proof__deck {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.5;
  color: var(--mid-soft);
  max-width: 60ch;
}

.proof__stage {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  overflow: hidden;
}

.proof__chart {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: linear-gradient(180deg, rgba(11,13,17,0.6) 0%, rgba(11,13,17,0) 100%);
  position: relative;
  min-height: 360px;
}
.proof__chart svg {
  width: 100%;
  height: auto;
  display: block;
}

.proof__panel {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--ink-3);
  border-left: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .proof__stage { grid-template-columns: 1fr; }
  .proof__panel { border-left: 0; border-top: 1px solid var(--line-strong); }
}

.proof__methods {
  display: grid;
  gap: 0.5rem;
}
.method-btn {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  text-align: left;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--paper);
  transition: all 200ms var(--ease);
  position: relative;
}
.method-btn::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 200ms var(--ease);
}
.method-btn:hover {
  border-color: var(--paper-2);
  background: rgba(255,255,255,0.02);
}
.method-btn.is-active {
  background: rgba(255, 61, 140, 0.06);
  border-color: var(--c-watt);
}
.method-btn.is-active::before { background: var(--c-watt); }

.method-btn__code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-watt);
  letter-spacing: 0;
}
.method-btn__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  display: block;
}
.method-btn__hint {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mid);
  letter-spacing: 0.04em;
  margin-top: 0.15rem;
}

.proof__result { display: grid; gap: 0.85rem; }
.result-block {
  padding: 1rem 1.1rem;
  background: rgba(11,13,17,0.5);
  border: 1px solid var(--line);
  border-radius: 3px;
}
.result-block__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--mid-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.45rem;
}
.result-block__label em {
  font-style: normal;
  color: var(--c-watt);
}
.result-block__value {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-mono);
}
.result-block__value b {
  font-weight: 600;
  font-size: 2rem;
  color: var(--paper);
  font-feature-settings: "tnum";
  line-height: 1;
}
.result-block__value i {
  font-style: normal;
  color: var(--mid);
  font-size: 0.9rem;
}

.result-block--note {
  background: rgba(255, 61, 140, 0.05);
  border-color: rgba(255, 61, 140, 0.2);
}
.result-block--note p {
  font-family: var(--font-display);
  font-size: 0.95rem;
  line-height: 1.45;
  margin: 0 0 0.35rem;
  color: var(--paper);
}
.result-block--note strong {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--c-watt);
}
.result-block--note .muted { font-size: 0.82rem; }

.proof__omar {
  margin: 2.5rem 0 0;
  padding: 1.5rem 1.8rem;
  border-left: 2px solid var(--c-lact);
  background: rgba(111, 228, 233, 0.04);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.5;
  color: var(--paper);
  max-width: 70ch;
}
.proof__omar em {
  font-style: italic;
  color: var(--c-lact);
}
.omar-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-lact);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-right: 0.7rem;
  vertical-align: 2px;
}

/* ============================================================
   FELD 4 / WASSERMANN
   ============================================================ */

.feld4 {
  padding: var(--section-y) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.feld4__head {
  max-width: 75ch;
  margin: 0 0 clamp(2.5rem, 5vw, 4.5rem);
}

.feld4__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.038em;
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
}
.feld4__title-line { display: block; }
.feld4__title-line--accent {
  color: var(--c-vo2);
  font-style: italic;
  font-weight: 400;
  padding-left: clamp(1.5rem, 5vw, 4rem);
}

.feld4__deck {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.5;
  color: var(--mid-soft);
  max-width: 62ch;
}
.feld4__deck em {
  font-style: normal;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.05em 0.4em;
  background: rgba(255,255,255,0.04);
  border-radius: 2px;
  letter-spacing: 0.02em;
}

.feld4__stage {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  overflow: hidden;
}

.feld4__chart {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: linear-gradient(180deg, rgba(11,13,17,0.65) 0%, rgba(11,13,17,0) 100%);
  position: relative;
  min-height: 380px;
}
.feld4__chart svg {
  width: 100%;
  height: auto;
  display: block;
}

.feld4__panel {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--ink-3);
  border-left: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .feld4__stage { grid-template-columns: 1fr; }
  .feld4__panel { border-left: 0; border-top: 1px solid var(--line-strong); }
}

.feld4__steps {
  list-style: none;
  display: grid;
  gap: 0;
}
.feld4-step {
  position: relative;
  padding: 1.1rem 0 1.1rem 3rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.4rem;
}
.feld4-step:first-child { border-top: 0; padding-top: 0; }
.feld4-step:last-child  { padding-bottom: 0; }

.feld4-step__num {
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--mid);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}
.feld4-step:first-child .feld4-step__num { top: 0; }
.feld4-step__num--vt1 { color: var(--c-vo2); border-color: var(--c-vo2); }
.feld4-step__num--vt2 { color: var(--c-watt); border-color: var(--c-watt); }

.feld4-step__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  margin: 0;
}
.feld4-step p {
  font-family: var(--font-display);
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--mid-soft);
  margin: 0;
}
.feld4-step p em {
  font-style: italic;
  color: var(--paper);
}

.feld4-step__value {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  font-family: var(--font-mono);
  margin-top: 0.3rem;
}
.feld4-step__value b {
  font-weight: 600;
  font-size: 1.25rem;
  font-feature-settings: "tnum";
}
.feld4-step[data-step="vt1"] .feld4-step__value b { color: var(--c-vo2); }
.feld4-step[data-step="vt2"] .feld4-step__value b { color: var(--c-watt); }
.feld4-step__value i {
  font-style: normal;
  color: var(--mid);
  font-size: 0.85rem;
}

.feld4__note {
  padding: 1.1rem 1.2rem;
  background: rgba(111, 228, 233, 0.04);
  border: 1px solid rgba(111, 228, 233, 0.18);
  border-left-width: 2px;
  border-radius: 2px;
}
.feld4__note p {
  font-family: var(--font-display);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--paper);
  margin: 0;
}

.feld4__source {
  margin: 2rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mid);
  letter-spacing: 0.02em;
  max-width: 75ch;
  line-height: 1.6;
}

/* ============================================================
   STUFENTEST SCROLLY
   ============================================================ */

.stufentest {
  position: relative;
  padding: var(--section-y) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent 0%, rgba(11,13,17,0.4) 50%, transparent 100%);
}

.stufentest__sticky {
  position: sticky;
  top: 80px;
  height: calc(100vh - 100px);
  max-height: 800px;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: 0 var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  align-items: center;
  pointer-events: none;
}

.stufentest__plot {
  height: 100%;
  display: flex;
  align-items: center;
  pointer-events: auto;
}
.stufentest__plot svg {
  width: 100%;
  height: auto;
  max-height: 100%;
}

.layer {
  opacity: 0;
  transition: opacity 600ms var(--ease);
}
.layer:not(.is-hidden) { opacity: 1; }
.layer-label {
  opacity: 0;
  transition: opacity 400ms var(--ease) 200ms;
}
.layer:not(.is-hidden) .layer-label { opacity: 1; }

.stufentest__caption {
  align-self: center;
  padding: 1.5rem;
  background: rgba(11,13,17,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  pointer-events: auto;
}
.stufentest__step-id {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-lact);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}
.stufentest__step-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 0.85rem;
}
.stufentest__step-body {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--mid-soft);
  margin: 0;
}

@media (max-width: 900px) {
  .stufentest__sticky {
    grid-template-columns: 1fr;
    height: auto;
    max-height: none;
    top: 100px;
    padding-bottom: 1rem;
  }
  .stufentest__plot { height: 50vh; }
  .stufentest__caption { padding: 1rem 1.25rem; }
}

.stufentest__triggers {
  position: relative;
  z-index: -1;
}
.trigger {
  height: 80vh;
  width: 100%;
}

/* ============================================================
   METHODIK / OMAR-WORTE
   ============================================================ */

.methodik {
  padding: var(--section-y) var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--ink);
}
.methodik__inner {
  max-width: var(--max);
  margin: 0 auto;
}
.methodik__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 clamp(3rem, 5vw, 4.5rem);
  max-width: 22ch;
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 3rem);
  margin-bottom: clamp(3rem, 5vw, 4rem);
}
.quote {
  padding: 2rem;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--c-watt);
  border-radius: 2px;
}
.quote--answer {
  border-left-color: var(--c-lact);
  background: rgba(111, 228, 233, 0.03);
}
.quote p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  line-height: 1.4;
  color: var(--paper);
  margin: 0 0 1.5rem;
}
.quote em {
  font-style: italic;
  color: var(--c-watt);
  background: rgba(255, 61, 140, 0.08);
  padding: 0.05em 0.4em;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.92em;
}
.quote--answer em {
  color: var(--c-lact);
  background: rgba(111, 228, 233, 0.08);
}
.quote cite {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mid);
  text-transform: uppercase;
}

@media (max-width: 800px) {
  .quote-grid { grid-template-columns: 1fr; }
}

.methodik__coda {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  line-height: 1.4;
  color: var(--paper);
  max-width: 60ch;
}
.methodik__coda strong { color: var(--c-lact); font-weight: 500; }

/* ============================================================
   LABOR / RIGS
   ============================================================ */

.labor {
  padding: var(--section-y) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.rig-list {
  list-style: none;
  display: grid;
  gap: 0;
}

.rig {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(1.5rem, 3vw, 4rem);
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.rig:first-child { border-top: 0; padding-top: 0; }

.rig__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}
.rig__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--mid);
  padding-top: 0.4rem;
}
.rig__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
}
.rig__name em {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.55em;
  color: var(--c-lact);
  margin-top: 0.4rem;
  letter-spacing: 0.04em;
}
.rig__sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mid);
  letter-spacing: 0.06em;
  margin: 0.55rem 0 0;
  text-transform: uppercase;
}

.rig__body { display: grid; gap: 1.5rem; }

.rig__specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rig__specs > div {
  padding: 0.9rem 1.1rem 0.9rem 0;
  border-right: 1px dotted var(--line-strong);
}
.rig__specs > div:last-child { border-right: 0; }
.rig__specs dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--mid);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.rig__specs dd {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--paper);
}
.rig__specs dd i {
  font-style: normal;
  color: var(--mid);
  margin-left: 0.2em;
}

.rig__note {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--mid-soft);
  max-width: 55ch;
}
.rig__note em {
  font-style: normal;
  color: var(--paper);
}

@media (max-width: 800px) {
  .rig { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ============================================================
   WEGE / Athleten · Coaches
   ============================================================ */

.wege {
  padding: var(--section-y) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.wege__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  overflow: hidden;
}
@media (max-width: 800px) {
  .wege__grid { grid-template-columns: 1fr; }
}

.weg {
  background: var(--ink-2);
  padding: clamp(2rem, 3vw, 2.8rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  transition: background 240ms var(--ease);
}
.weg:hover { background: var(--ink-3); }
.weg--coach { background: linear-gradient(135deg, rgba(255,61,140,0.04) 0%, var(--ink-2) 100%); }
.weg--coach:hover { background: linear-gradient(135deg, rgba(255,61,140,0.07) 0%, var(--ink-3) 100%); }

.weg__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.weg__id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-lact);
  letter-spacing: 0.1em;
}
.weg--coach .weg__id { color: var(--c-watt); }

.weg__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  letter-spacing: -0.025em;
  margin: 0;
}

.weg__list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  flex: 1;
}
.weg__list li {
  display: grid;
  grid-template-columns: 0.6rem 1fr;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.45;
  color: var(--paper);
}
.weg__dot {
  display: inline-block;
  width: 6px;
  height: 1px;
  background: var(--c-lact);
  margin-top: 0.65rem;
}
.weg--coach .weg__dot { background: var(--c-watt); }

.weg__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-lact);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.weg--coach .weg__cta { color: var(--c-watt); }
.weg__cta .arr { transition: transform 200ms var(--ease); }
.weg__cta:hover .arr { transform: translateX(4px); }
.weg__cta:hover { opacity: 1; }

/* ============================================================
   BIO
   ============================================================ */

.bio {
  padding: var(--section-y) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  border-top: 1px solid var(--line);
  align-items: start;
}

.bio__media { position: sticky; top: 100px; }
.bio__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 30%;
  border-radius: 4px;
  filter: contrast(1.05) saturate(0.85);
  border: 1px solid var(--line-strong);
}
.bio__caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mid);
  letter-spacing: 0.08em;
  margin-top: 0.85rem;
  text-transform: uppercase;
}

.timeline { display: grid; gap: 0; margin-top: 2rem; }
.tl-item {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--line);
}
.tl-item:first-child { border-top: 0; padding-top: 0; }

.tl-year {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--c-lact);
  margin: 0;
  line-height: 1;
}
.tl-body {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.5;
  color: var(--paper);
}
.tl-body em {
  font-style: normal;
  color: var(--c-watt);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

@media (max-width: 900px) {
  .bio { grid-template-columns: 1fr; }
  .bio__media { position: static; max-width: 320px; }
  .tl-item { grid-template-columns: 4rem 1fr; }
}

/* ============================================================
   KONTAKT
   ============================================================ */

.kontakt {
  position: relative;
  padding: var(--section-y) var(--gutter);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.kontakt__plot {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.kontakt__plot svg { width: 100%; height: 100%; }

.kontakt__inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
}

.kontakt__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 1.75rem;
}
.kontakt__title .accent {
  color: var(--c-lact);
  font-style: italic;
  font-weight: 400;
}

.kontakt__body {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.5;
  color: var(--mid-soft);
  max-width: 55ch;
  margin: 0 0 2.5rem;
}

.kontakt__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.kontakt__meta > div { display: grid; gap: 0.35rem; }
.kontakt__meta dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--mid);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.kontakt__meta dd {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--paper);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  padding: 3rem var(--gutter) 2rem;
  border-top: 1px solid var(--line);
  margin-top: 0;
}
.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}
.site-footer__brand .brand__word { font-size: 1.5rem; }
.site-footer__brand p { margin: 0.6rem 0 0; font-size: 0.85rem; }

.site-footer__nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-footer__nav a { color: var(--mid-soft); }

.site-footer__legal {
  grid-column: 1 / -1;
  font-size: 0.74rem;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 700px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__nav { flex-wrap: wrap; gap: 0.8rem 1.4rem; }
}

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .ticker__track { animation: none; }
  .hero__scroll-line { animation: none; opacity: 0.4; }
}