/* ============================================================
   upeak — Labor für Leistungsdiagnostik
   ============================================================ */

:root {
  /* Farbsystem */
  --ink:        #0E1014;
  --ink-2:      #15171D;
  --ink-3:      #1C1F26;
  --paper:      #EFECE6;
  --paper-2:    #DCD7CC;
  --mid:        #6B6F76;
  --mid-soft:   #8A8E96;
  --line:       rgba(239, 236, 230, 0.08);
  --line-strong: rgba(239, 236, 230, 0.18);
  --cyan:       #6FD3D8;
  --cyan-soft:  #6FD3D820;
  --magenta:    #D8537A;

  /* Typografie */
  --font-display: 'General Sans', 'Inter', 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:        1240px;
  --gutter:     clamp(1.25rem, 4vw, 3rem);
  --section-y:  clamp(5rem, 10vw, 9rem);

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

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.005em;
  background:
    radial-gradient(1200px 800px at 80% -10%, #1a1d26 0%, transparent 50%),
    radial-gradient(900px 700px at -10% 60%, #181b22 0%, transparent 55%),
    var(--ink);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: opacity 180ms var(--ease), color 180ms var(--ease);
}
a:hover { opacity: 0.7; }

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

/* ============================================================
   Utility-Klassen
   ============================================================ */

.muted { color: var(--mid); }
.accent { color: var(--cyan); }
.num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.92em;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  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;
}
.eyebrow__dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.eyebrow--invert { color: rgba(14, 16, 20, 0.6); }
.eyebrow--invert .eyebrow__dot { background: var(--magenta); }

.section-head { margin-bottom: clamp(3rem, 6vw, 5rem); max-width: 60ch; }

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
}

.section-deck {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.45;
  color: var(--mid-soft);
  margin: 0;
  max-width: 50ch;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 999px;
  transition: all 220ms var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn--solid {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn--solid:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  opacity: 1;
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--paper);
  opacity: 1;
}
.btn--ghost-invert {
  color: var(--ink);
  border-color: rgba(14, 16, 20, 0.25);
}
.btn--ghost-invert:hover {
  border-color: var(--ink);
  opacity: 1;
}
.btn--lg {
  padding: 1.15rem 2rem;
  font-size: 0.86rem;
}

/* ============================================================
   Header / Brand / Nav
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem var(--gutter);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: linear-gradient(to bottom, rgba(14,16,20,0.85), rgba(14,16,20,0.55));
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--paper);
}
.brand__mark {
  display: inline-block;
  width: 44px;
  height: 22px;
  color: var(--cyan);
}
.brand__word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.brand__dot {
  color: var(--cyan);
}

.site-nav {
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.8rem);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  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);
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  color: var(--paper) !important;
}
.nav-cta:hover {
  border-color: var(--cyan);
  color: var(--cyan) !important;
}

@media (max-width: 720px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

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

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: calc(var(--section-y) + 4rem) var(--gutter) var(--section-y);
  max-width: var(--max);
  margin: 0 auto;
  min-height: 100vh;
}

.hero__copy { max-width: 38ch; }

.hero__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 1.75rem;
}

.hero__lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
  color: var(--mid-soft);
  margin: 0 0 2.5rem;
  max-width: 36ch;
}

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

/* Hero Media */
.hero__media {
  position: relative;
  aspect-ratio: 464 / 832;
  max-height: 78vh;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line);
  justify-self: end;
  width: 100%;
  max-width: 380px;
}
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.03) saturate(0.85);
}
.hero__media-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(111, 211, 216, 0.1), transparent 50%),
    linear-gradient(to bottom, rgba(14,16,20,0) 30%, rgba(14,16,20,0.6) 100%);
  pointer-events: none;
}

.hero__media-readout {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  padding: 1rem 1.1rem;
  background: rgba(14, 16, 20, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: var(--font-mono);
}
.hero__media-readout span {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}
.hero__media-readout em {
  font-style: normal;
  font-size: 0.66rem;
  color: var(--mid-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 2rem;
}
.hero__media-readout b {
  font-weight: 600;
  color: var(--paper);
  font-size: 0.95rem;
}
.hero__media-readout i {
  font-style: normal;
  font-size: 0.62rem;
  color: var(--mid);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--section-y) + 5rem);
  }
  .hero__media {
    justify-self: center;
    max-height: 70vh;
    max-width: 320px;
  }
}

/* ============================================================
   Methodik / Streit-Sektion
   ============================================================ */

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

.streit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.streit__col {
  padding: 2rem 0;
  position: relative;
}
.streit__col--questions {
  border-right: 1px dashed var(--line-strong);
  padding-right: clamp(1rem, 3vw, 3rem);
}
.streit__col--answer {
  padding-left: clamp(1rem, 3vw, 3rem);
}

.streit__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid-soft);
  margin: 0 0 1.5rem;
}
.streit__col--answer .streit__label {
  color: var(--cyan);
}

.streit__list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: streit;
}
.streit__list li {
  counter-increment: streit;
  padding: 0.85rem 0 0.85rem 2.5rem;
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--paper);
  line-height: 1.4;
  border-bottom: 1px solid var(--line);
}
.streit__list li:last-child { border-bottom: 0; }
.streit__list li::before {
  content: counter(streit, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--magenta);
  letter-spacing: 0.04em;
}
.streit__list em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--cyan);
  background: var(--cyan-soft);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

.streit__col--answer p {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.5;
  margin: 0 0 1.25rem;
  color: var(--paper);
}
.streit__col--answer em {
  font-style: normal;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.92em;
}

@media (max-width: 800px) {
  .streit { grid-template-columns: 1fr; }
  .streit__col--questions {
    border-right: 0;
    border-bottom: 1px dashed var(--line-strong);
    padding-right: 0;
    padding-bottom: 2rem;
  }
  .streit__col--answer { padding-left: 0; }
}

/* ============================================================
   Labor / Geräte
   ============================================================ */

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

.geraete {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}

.geraet {
  display: grid;
  grid-template-columns: auto 1.2fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.geraet:first-child { border-top: 0; padding-top: 0; }

.geraet__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--mid);
  padding-top: 0.4rem;
}

.geraet__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--paper);
}
.geraet__name em {
  display: block;
  font-style: normal;
  font-weight: 400;
  font-size: 0.62em;
  color: var(--mid-soft);
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.geraet__specs {
  margin: 0;
  display: grid;
  gap: 0.65rem;
}
.geraet__specs > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dotted var(--line-strong);
}
.geraet__specs > div:last-child { border-bottom: 0; padding-bottom: 0; }
.geraet__specs dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0;
  padding-top: 0.15rem;
}
.geraet__specs dd {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--paper);
  margin: 0;
  line-height: 1.35;
}

.geraet__note {
  grid-column: 2 / -1;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--mid-soft);
  margin: 1rem 0 0;
  max-width: 60ch;
}
.geraet__note em {
  font-style: normal;
  color: var(--paper);
}

@media (max-width: 800px) {
  .geraet {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .geraet__specs > div {
    grid-template-columns: 6rem 1fr;
  }
  .geraet__note { grid-column: 1 / -1; }
}

/* ============================================================
   Angebot
   ============================================================ */

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

.angebot__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  overflow: hidden;
}

.block {
  background: var(--ink-2);
  padding: clamp(2rem, 3vw, 2.8rem);
  display: flex;
  flex-direction: column;
}
.block__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 1.5rem;
}
.block__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.block p {
  color: var(--mid-soft);
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
  line-height: 1.5;
}
.block__list {
  list-style: none;
  padding: 0;
  margin: auto 0 0;
  display: grid;
  gap: 0.55rem;
}
.block__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.92rem;
  color: var(--paper);
  line-height: 1.4;
}
.block__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ============================================================
   Coach-Anker (invertiert)
   ============================================================ */

.coach {
  padding: var(--section-y) var(--gutter);
  background: var(--paper);
  color: var(--ink);
  margin: var(--section-y) 0 0;
  position: relative;
}
.coach::before, .coach::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: rgba(14,16,20,0.1);
}
.coach::before { top: 0; }
.coach::after { bottom: 0; }

.coach__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.coach__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
}
.coach__body {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.5;
  color: rgba(14, 16, 20, 0.7);
  margin: 0 0 2rem;
  max-width: 50ch;
}
.coach .btn--ghost-invert {
  align-self: start;
}

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

/* ============================================================
   Bio / Timeline
   ============================================================ */

.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);
  align-items: start;
}

.bio__media { position: sticky; top: 6rem; }
.bio__media img {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 30%;
  filter: contrast(1.05) saturate(0.9);
}
.bio__caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mid);
  margin: 0.85rem 0 0;
}

.timeline { display: grid; gap: 0; }
.timeline__item {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--line);
}
.timeline__item:first-child { border-top: 0; padding-top: 0; }

.timeline__year {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  color: var(--cyan);
  margin: 0;
  line-height: 1;
  letter-spacing: -0.02em;
}

.timeline__body p {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.3vw, 1.15rem);
  line-height: 1.5;
  margin: 0;
  color: var(--paper);
}
.timeline__body em {
  font-style: normal;
  color: var(--magenta);
  font-family: var(--font-mono);
  font-size: 0.86em;
}

@media (max-width: 900px) {
  .bio { grid-template-columns: 1fr; }
  .bio__media { position: static; max-width: 340px; }
  .timeline__item { grid-template-columns: 4.5rem 1fr; }
}

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

.kontakt {
  padding: var(--section-y) var(--gutter);
  border-top: 1px solid var(--line);
}
.kontakt__inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: left;
}

.kontakt__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
}

.kontakt__body {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.5;
  color: var(--mid-soft);
  margin: 0 0 3rem;
  max-width: 55ch;
}

.kontakt__details {
  display: grid;
  gap: 0;
  margin: 0 0 3rem;
  border-top: 1px solid var(--line);
}

.kontakt__line {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
a.kontakt__line:hover { opacity: 1; }
a.kontakt__line:hover .kontakt__value { color: var(--cyan); }

.kontakt__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
}
.kontakt__value {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--paper);
  transition: color 180ms var(--ease);
}

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

.site-footer {
  padding: 3rem var(--gutter) 2rem;
  border-top: 1px solid var(--line);
  margin-top: var(--section-y);
}

.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;
  line-height: 1.5;
}
.site-footer__nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-footer__nav a { color: var(--mid-soft); }
.site-footer__legal {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  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; }
}

/* ============================================================
   Reveal-Animation (per JS triggert)
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}