@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* =========================================================================
   TapReview – Design-System
   Lime-Commerce-Look · eigenständig, keine Marken Dritter
   Palette aus der Referenz: Lime-Akzent, Mint, warmes Off-White, Ink.
   ========================================================================= */

:root {
  /* ---- Farben ---- */
  --tr-bg:            #fbfbf7;   /* Warmes Off-White (Standard-Hintergrund) */
  --tr-bg-white:      #ffffff;   /* Reine weisse Flächen / Karten */
  --tr-bg-soft:       #f0f2ea;   /* Sanfte, leicht grünliche Abschnitte */
  --tr-bg-dark:       #16170f;   /* Dunkle Full-Width Sektionen (warmes Schwarz) */
  --tr-bg-dark-2:     #22241a;

  --tr-text:          #16170f;   /* Primärtext (warmes Schwarz) */
  --tr-text-2:        #63665b;   /* Sekundärtext / Subtitel */
  --tr-text-invert:   #f4f5ec;   /* Text auf dunklem Grund */
  --tr-text-invert-2: #a7ab98;   /* Sekundär auf dunklem Grund */

  --tr-accent:        #c4f135;   /* Lime – nur als Fläche mit dunkler Schrift */
  --tr-accent-hover:  #b6e625;
  --tr-accent-press:  #a9d81c;
  --tr-green-deep:    #3f6212;   /* Lesbares Grün für Links/Akzente/Zahlen (AA) */
  --tr-mint:          #cfe8d8;   /* Weiches Mint für Sekundär-Flächen */
  --tr-star:          #f2b01e;   /* Bewertungs-Sterne */
  --tr-success:       #3f9142;   /* Erfolg / Bestätigung */

  --tr-line:          #e0e2d6;   /* Trennlinien / Border */
  --tr-line-soft:     #eceee4;

  /* ---- Typografie ---- */
  --tr-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
             Helvetica, Arial, sans-serif;
  --tr-font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  /* Fluid-Type-Scale (clamp = mobile-first, skaliert mit Viewport) */
  --tr-fs-display: clamp(2.75rem, 6vw + 1rem, 5.5rem);  /* Hero-Headlines  */
  --tr-fs-h1:      clamp(2.25rem, 4vw + 1rem, 4rem);
  --tr-fs-h2:      clamp(1.75rem, 2.5vw + 1rem, 3rem);
  --tr-fs-h3:      clamp(1.3rem, 1.2vw + 1rem, 1.75rem);
  --tr-fs-lead:    clamp(1.15rem, 0.6vw + 1rem, 1.5rem);  /* Untertitel    */
  --tr-fs-body:    1.0625rem;
  --tr-fs-small:   0.875rem;

  --tr-weight-regular: 400;
  --tr-weight-medium:  500;
  --tr-weight-semi:    600;
  --tr-weight-bold:    700;

  /* ---- Spacing (8px-Raster) ---- */
  --tr-space-section: clamp(4.5rem, 9vw, 9rem);  /* Vertikaler Sektions-Rhythmus */
  --tr-maxw:          1180px;                     /* Inhaltsbreite              */
  --tr-maxw-narrow:   720px;                      /* Lesetext-Breite            */
  --tr-gutter:        clamp(1.25rem, 4vw, 2.5rem);

  /* ---- Radius & Schatten ---- */
  --tr-radius-sm:  12px;
  --tr-radius:     18px;   /* Standard-Karten */
  --tr-radius-lg:  28px;   /* Grosse Flächen */
  --tr-radius-pill: 980px; /* Apple-typische Pill-Buttons */

  --tr-shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --tr-shadow:     0 8px 30px rgba(0,0,0,.08);
  --tr-shadow-lg:  0 24px 60px rgba(0,0,0,.12);

  /* ---- Motion ---- */
  --tr-ease:    cubic-bezier(0.28, 0.11, 0.32, 1);  /* Apple-artiges Easing */
  --tr-dur:     0.7s;
}

/* ---------- Basis ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--tr-font);
  font-size: var(--tr-fs-body);
  line-height: 1.5;
  color: var(--tr-text);
  background: var(--tr-bg);
  letter-spacing: -0.01em;
}

h1, h2, h3, h4 { font-family: var(--tr-font-display); line-height: 1.05; letter-spacing: -0.02em; margin: 0; }

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

a { color: var(--tr-green-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--tr-accent); color: var(--tr-text); }
:focus-visible { outline: 3px solid var(--tr-green-deep); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout-Helfer ---------- */
.tr-container { max-width: var(--tr-maxw); margin-inline: auto; padding-inline: var(--tr-gutter); }
.tr-narrow    { max-width: var(--tr-maxw-narrow); margin-inline: auto; }
.tr-section   { padding-block: var(--tr-space-section); }

.tr-eyebrow {
  font-family: var(--tr-font-display);
  font-size: .78rem;
  font-weight: var(--tr-weight-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tr-green-deep);
  margin: 0 0 .9rem;
}

.tr-display { font-family: var(--tr-font-display); font-size: var(--tr-fs-display); font-weight: 700; }
.tr-h1 { font-family: var(--tr-font-display); font-size: var(--tr-fs-h1); font-weight: 700; }
.tr-h2 { font-family: var(--tr-font-display); font-size: var(--tr-fs-h2); font-weight: 600; }
.tr-h3 { font-family: var(--tr-font-display); font-size: var(--tr-fs-h3); font-weight: 600; }
.tr-lead { font-size: var(--tr-fs-lead); color: var(--tr-text-2); font-weight: var(--tr-weight-regular); line-height: 1.5; }

/* Solides Grün statt Gradient (Richtlinie: keine Gradient-Wörter) */
.tr-gradient-text { color: var(--tr-green-deep); }

/* Signatur-Wort: farbiger Akzent, ohne Hintergrund */
.tr-mark { color: var(--tr-green-deep); }
.tr-dark .tr-mark { color: var(--tr-accent); }

/* ---------- Buttons (Apple-Pill-Style) ---------- */
.tr-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font-size: 1.0625rem; font-weight: var(--tr-weight-regular);
  padding: .7rem 1.4rem; border-radius: var(--tr-radius-pill);
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .25s var(--tr-ease), color .25s var(--tr-ease),
              transform .15s var(--tr-ease), opacity .25s;
  text-decoration: none; line-height: 1;
}
.tr-btn:hover { text-decoration: none; }
.tr-btn:active { transform: scale(0.97); }

.tr-btn { font-family: var(--tr-font-display); font-weight: var(--tr-weight-semi); }
.tr-btn--primary { background: var(--tr-accent); color: var(--tr-text); }
.tr-btn--primary:hover { background: var(--tr-accent-hover); }

.tr-btn--ghost { background: transparent; color: var(--tr-green-deep); border-color: var(--tr-line); }
.tr-btn--ghost:hover { background: rgba(63,98,18,.07); }

.tr-btn--dark { background: var(--tr-bg-dark); color: var(--tr-text-invert); }
.tr-btn--dark:hover { background: #000; }

.tr-btn--light { background: #fff; color: var(--tr-text); box-shadow: var(--tr-shadow-sm); }
.tr-btn--light:hover { background: var(--tr-bg-soft); }

.tr-link-arrow { font-weight: var(--tr-weight-regular); }
.tr-link-arrow::after { content: " ›"; }

/* ---------- Bild-Umschalter auf Produktkarte ---------- */
.tr-img-next {
  position: absolute; bottom: .7rem; right: .7rem; z-index: 3;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--tr-line); background: #fff; color: var(--tr-text);
  display: grid; place-items: center; cursor: pointer; font-size: 1.05rem; line-height: 1;
  box-shadow: var(--tr-shadow-sm);
  transition: background .2s var(--tr-ease), transform .15s var(--tr-ease);
}
.tr-img-next:hover { background: var(--tr-accent); transform: scale(1.08); }

/* ---------- Produkt-Galerie (Thumbnails) ---------- */
.gal-thumb { transition: border-color .2s var(--tr-ease); }
.gal-thumb:hover { border-color: var(--tr-green-deep); }
.gal-thumb.is-active { border-color: var(--tr-green-deep); box-shadow: inset 0 0 0 1px var(--tr-green-deep); }

/* ---------- Mengen-Set-Auswahl (Produktseite) ---------- */
.bundle-opt {
  text-align: left; cursor: pointer; padding: .7rem .9rem; line-height: 1.25;
  border: 1.5px solid var(--tr-line); border-radius: var(--tr-radius-sm);
  background: #fff; color: var(--tr-text);
  transition: border-color .2s var(--tr-ease), background .2s var(--tr-ease);
}
.bundle-opt:hover { border-color: var(--tr-green-deep); }
.bundle-opt.is-active {
  border-color: var(--tr-green-deep);
  background: #f2f7e6;
  box-shadow: inset 0 0 0 1px var(--tr-green-deep);
}

/* ---------- Navigation ---------- */
.tr-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,251,247,.8);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--tr-line-soft);
}
.tr-nav__inner {
  max-width: var(--tr-maxw); margin-inline: auto;
  height: 52px; padding-inline: var(--tr-gutter);
  display: flex; align-items: center; justify-content: space-between;
}
.tr-nav__brand { font-family: var(--tr-font-display); font-weight: 700; font-size: 1.2rem; color: var(--tr-text); letter-spacing: -.02em; }
.tr-nav__brand:hover { text-decoration: none; }
.tr-nav__links { display: flex; gap: 2rem; align-items: center; }
.tr-nav__links a { color: var(--tr-text); font-size: .9rem; opacity: .85; }
.tr-nav__links a:hover { opacity: 1; text-decoration: none; }
.tr-nav__toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--tr-text); }

@media (max-width: 830px) {
  .tr-nav__links {
    position: absolute; inset: 52px 0 auto 0;
    flex-direction: column; gap: 0; padding: .5rem var(--tr-gutter) 1.5rem;
    background: rgba(251,251,247,.98); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--tr-line-soft);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .25s var(--tr-ease), transform .25s var(--tr-ease);
  }
  .tr-nav__links a { width: 100%; padding: .9rem 0; border-bottom: 1px solid var(--tr-line-soft); font-size: 1.1rem; }
  .tr-nav.is-open .tr-nav__links { opacity: 1; transform: none; pointer-events: auto; }
  .tr-nav__toggle { display: block; }
}

/* ---------- Karten ---------- */
.tr-card {
  background: var(--tr-bg-white);
  border-radius: var(--tr-radius);
  box-shadow: var(--tr-shadow-sm);
  overflow: hidden;
  transition: transform .35s var(--tr-ease), box-shadow .35s var(--tr-ease);
}
.tr-card:hover { transform: translateY(-6px); box-shadow: var(--tr-shadow); }

.tr-product-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
}

/* Produktbild-Bühne: quadratisch, Bild vollständig sichtbar (contain, nie beschnitten) */
.tr-stage {
  position: relative;
  display: grid; place-items: center;
  aspect-ratio: 1 / 1;
  background: #ffffff;
  padding: 1.25rem;
  border-bottom: 1px solid var(--tr-line-soft);
}
.tr-stage img { width: 100%; height: 100%; object-fit: contain; }

/* ---------- Sterne ---------- */
.tr-stars { color: var(--tr-star); letter-spacing: 2px; font-size: 1.1rem; }

/* ---------- Tag / Badge ---------- */
.tr-badge {
  display: inline-block; font-family: var(--tr-font-display);
  font-size: .72rem; font-weight: var(--tr-weight-semi);
  letter-spacing: .03em;
  padding: .28rem .65rem; border-radius: var(--tr-radius-pill);
  background: var(--tr-mint); color: #22400f;
}

/* ---------- Scroll-Reveal-Animationen ---------- */
.tr-reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity var(--tr-dur) var(--tr-ease), transform var(--tr-dur) var(--tr-ease);
  will-change: opacity, transform;
}
.tr-reveal.is-visible { opacity: 1; transform: none; }
.tr-reveal[data-delay="1"] { transition-delay: .08s; }
.tr-reveal[data-delay="2"] { transition-delay: .16s; }
.tr-reveal[data-delay="3"] { transition-delay: .24s; }
.tr-reveal[data-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .tr-reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Dunkle Sektion ---------- */
.tr-dark { background: var(--tr-bg-dark); color: var(--tr-text-invert); }
.tr-dark .tr-lead { color: var(--tr-text-invert-2); }
.tr-dark .tr-eyebrow { color: var(--tr-accent); }
.tr-dark .tr-mark { background: var(--tr-accent); color: var(--tr-bg-dark); }

/* ---------- Footer ---------- */
.tr-footer { background: var(--tr-bg-soft); color: var(--tr-text-2); font-size: var(--tr-fs-small); }
.tr-footer a { color: var(--tr-text-2); }
.tr-footer a:hover { color: var(--tr-text); }
.tr-footer__cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.tr-footer__cols h4 { font-size: .8rem; color: var(--tr-text); margin-bottom: .75rem; }
.tr-footer__cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }

/* ---------- Phone-Mockup (NFC / Tap-Demo) ---------- */
.tr-phone {
  width: min(260px, 68vw); aspect-ratio: 9 / 19.5; background: #1d1d1f;
  border-radius: 42px; padding: 11px; box-shadow: var(--tr-shadow-lg);
  position: relative;
}
.tr-phone__screen {
  width: 100%; height: 100%; background: #fff; border-radius: 32px;
  overflow: hidden; position: relative; display: flex; flex-direction: column;
}
.tr-phone__notch {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 110px; height: 26px; background: #1d1d1f; border-radius: 14px; z-index: 3;
}

/* Tap-Wellen-Animation */
.tr-tap-waves { position: relative; width: 120px; height: 120px; }
.tr-tap-waves span {
  position: absolute; inset: 0; margin: auto; border: 2px solid var(--tr-accent);
  border-radius: 50%; opacity: 0; animation: tr-wave 2.4s var(--tr-ease) infinite;
}
.tr-tap-waves span:nth-child(2) { animation-delay: .8s; }
.tr-tap-waves span:nth-child(3) { animation-delay: 1.6s; }
@keyframes tr-wave {
  0%   { transform: scale(.3); opacity: .8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Floating-Animation für Produktbild */
.tr-float { animation: tr-float 6s ease-in-out infinite; }
@keyframes tr-float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }

@media (prefers-reduced-motion: reduce) {
  .tr-float, .tr-tap-waves span { animation: none; }
}

/* ---------- Interaktive Tap-Demo ---------- */
.demo-card { cursor: pointer; transition: transform .5s var(--tr-ease); }
.demo-card.tapped { transform: translateX(60px) rotate(6deg) scale(.96); }
.screen-state {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  opacity: 0; transform: translateY(10px);
  transition: opacity .4s var(--tr-ease), transform .4s var(--tr-ease);
  pointer-events: none;
}
.screen-state.active { opacity: 1; transform: none; pointer-events: auto; }
.demo-star { font-size: 2rem; color: #d2d2d7; cursor: pointer; transition: color .15s, transform .15s; }
.tr-phone .demo-star { font-size: 1.45rem; }   /* im kleinen Demo-Handy kleinere Sterne */
.demo-star.lit { color: var(--tr-star); transform: scale(1.12); }

/* Demo-Bühne: Karte + Handy. Bewegungsrichtung per CSS-Variablen (responsive). */
.demo-stage {
  position: relative; display: flex; align-items: center; justify-content: center;
  gap: clamp(1rem, 4vw, 3rem); flex-wrap: wrap;
  --tap-x: -100px;   /* Desktop: Handy steht rechts, fährt nach links zur Karte */
  --tap-y: 0px;
  --tap-rot: -90deg; /* Handy neigt sich bis 90°, wenn es den Schild berührt */
}
.demo-cardwrap { position: relative; flex: 0 0 auto; }
/* Schild in Originalgrösse (keine Skalierung) */
.demo-cardwrap .tr-tap-waves {
  position: absolute; top: 50%; right: -14px; transform: translateY(-50%);
  width: 96px; height: 96px; opacity: 0; transition: opacity .3s var(--tr-ease);
  pointer-events: none; z-index: 3;
}
.demo-cardwrap.contact .tr-tap-waves { opacity: 1; }

.demo-phone-shell { position: relative; z-index: 2; }
.demo-phone-shell .tr-phone { width: min(178px, 46vw); }   /* Handy kleiner → Schild wirkt grösser */

/* Handy fährt zur Karte, neigt sich auf 90°, danach zurück */
@keyframes tr-tap-move {
  0%   { transform: translate(0, 0) scale(1) rotate(0deg); }
  50%  { transform: translate(var(--tap-x), var(--tap-y)) scale(.6) rotate(var(--tap-rot)); }
  100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}
.tr-phone.is-tapping {
  animation: tr-tap-move 2.2s ease-in-out both;
  transform-origin: center; will-change: transform; backface-visibility: hidden;
}

/* Mobile: Karte und Handy bleiben nebeneinander (kein Umbruch) */
@media (max-width: 640px) {
  .demo-stage { flex-wrap: nowrap; gap: .5rem; --tap-x: -34px; --tap-y: 0px; --tap-rot: -90deg; }
  .demo-cardwrap img { max-width: 44vw !important; }
  .demo-phone-shell .tr-phone { width: 41vw; }
  .demo-cardwrap .tr-tap-waves { width: 64px; height: 64px; right: -8px; }
}

@media (prefers-reduced-motion: reduce) {
  .tr-phone.is-tapping { animation: none; }
}