/* =======================================================================
   Umschlag-Intro (realistische Pocket-Version)
   Dateien: umschlag.html + assets/css/styles.css + assets/css/umschlag.css
   ======================================================================= */

:root{
  /* Papier / Tinte */
  --paper: #f5f0e6;
  --paper-ink: rgba(0,0,0,.80);

  /* Umschlagfarben */
  --env: #efe6d7;
  --env-dark: #d9cfbf;
  --env-edge: rgba(0,0,0,.14);

  /* Siegel */
  --seal: var(--color-accent);
  --seal-shadow: rgba(0,0,0,.35);

  /* Neon-Farben (warm-amber) */
  --neon-core: #ffebc2;
  --neon-1: rgba(255, 220, 160, .95);
  --neon-2: rgba(255, 200, 120, .75);
  --neon-3: rgba(255, 170, 80,  .55);
  --neon-4: rgba(255, 140, 50,  .38);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  overflow: hidden;
}

/* Optional: Foto-Hintergrund */
body.use-photo{
  background: url("../img/Foto-Wir1.jpg") center/cover no-repeat;
}

/* Scrim über Foto (nur aktiv bei use-photo) */
.bg-scrim{
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 50% 45%, rgba(0,0,0,.12), rgba(0,0,0,.42) 75%),
    linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.28));
  opacity: 0;
  z-index: 0;
}
body.use-photo .bg-scrim{ opacity: 1; }

.scene{
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.envelope-wrap{
  display: grid;
  place-items: center;
  gap: 14px;
  transform: translateY(6px);
  z-index: 1;
}

/* =======================================================================
   Umschlag-Grundkörper
   ======================================================================= */
.envelope{
  position: relative;
  width: min(760px, 92vw);
  aspect-ratio: 3 / 2;
  border-radius: 18px;
  filter: drop-shadow(0 22px 42px rgba(0,0,0,.26));
  transform: translateZ(0);
}

/* Rückseite */
.env-back{
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--env), var(--env-dark));
  border: 1px solid var(--env-edge);
  z-index: 1;
}

/* =======================================================================
   Brief (Inhalt)
   - Start: tief drin (unsichtbar)
   - Open: fährt hoch raus
   ======================================================================= */
.letter{
  position: absolute;
  left: 50%;
  bottom: 9%;
  width: 86%;
  height: 86%;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(245,240,230,1));
  border: 1px solid rgba(0,0,0,.08);

  /* Start: "in der Tasche" */
  transform: translateX(-50%) translateY(0%);
  will-change: transform;

  z-index: 20; /* hinter Pocket-Front */

    opacity: 0;
  visibility: hidden;
  transition:
    transform 1.15s cubic-bezier(.2,.8,.2,1),
    opacity .25s ease;
}

.letter-inner{
  height: 100%;
  padding: clamp(18px, 4.2vw, 34px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  text-align: center;
}

/* Wir sind bald: direkt sichtbar sobald Brief sichtbar wird */
.soon{
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 28px);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--paper-ink);
}

/* ===== Folien-Schriftzug ===== */
/* ===== ROTE FOLIENPRÄGUNG ===== */
.neon{
  position: relative;
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(54px, 8.6vw, 120px);
  line-height: 1.02;

  /* Basis: dunkle, edle Rotfolie */
  color: rgba(180, 60, 60, .92); /* abgeleitet aus #8e2525 */
  text-shadow:
    0 1px 0 rgba(0,0,0,.35),
    0 10px 28px rgba(0,0,0,.22);

  overflow: visible;
}

/* weiche Aura hinter der Folie (für Lesbarkeit auf Foto/Papier) */
.neon::after{
  content:"";
  position:absolute;
  left: 50%;
  top: 58%;
  width: 165%;
  height: 240%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center,
    rgba(0,0,0,.26) 0%,
    rgba(0,0,0,.14) 35%,
    rgba(0,0,0,.06) 55%,
    transparent 72%
  );
  z-index: -1;
  pointer-events:none;
  opacity: .6;
}

/* Zustand vor dem Öffnen: matte Folie */
.neon.foil-off{
  color: rgba(150, 50, 50, .55);
}

/* ===== LICHTREFLEX (rot-goldener Sweep) ===== */
.neon::before{
  content: "";
  position: absolute;
  inset: -12% -25%;
  pointer-events: none;
  z-index: 1;

  background: linear-gradient(
    115deg,
    transparent 0%,
    transparent 42%,
    rgba(255,255,255,0) 46%,

    /* heller Reflex */
    rgba(255, 210, 200, .75) 50%,

    rgba(255,255,255,0) 54%,
    transparent 58%,
    transparent 100%
  );

  transform: translateX(-60%);
  opacity: 0;

  mix-blend-mode: screen;
  filter: blur(0.4px);
}

/* Sweep einmal ablaufen lassen */
.neon.foil-sweep::before{
  opacity: .95;
  animation: foilSweep 1.7s cubic-bezier(.2,.8,.2,1) forwards;
}

@keyframes foilSweep{
  0%   { transform: translateX(-65%); opacity: 0; }
  12%  { opacity: .95; }
  100% { transform: translateX(65%); opacity: 0; }
}

/* Optional: Endzustand minimal heller (wie frisch poliert) */
.neon.foil-done{
  color: rgba(210, 85, 85, .96);
}


/* Unterer Satz: kommt später rein */
.celebrate{
  margin: 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(14px, 2.1vw, 18px);
  letter-spacing: .02em;
  color: rgba(0,0,0,.76);

  opacity: 0;
  transform: translateY(18px);
  transition: transform .95s cubic-bezier(.2,.8,.2,1), opacity .95s ease;
}
.celebrate.show{
  opacity: 1;
  transform: translateY(0);
}

/* =======================================================================
   Umschlag-Vorderseite in 2 Teilen:
   1) Pocket (Tasche) -> muss den Brief unten verdecken
   2) Flap (Klappe) -> klappt auf
   ======================================================================= */

/* Pocket-Container: liegt ÜBER dem Brief */
.env-pocket{
  position: absolute;
  inset: 0;
  border-radius: 18px;
  overflow: hidden;  /* wichtig: Brief wird hinter Kante "geschnitten" */
  z-index: 4;
  pointer-events: none;
}

/* Taschen-Körper (unten) */
.env-pocket::before{
  content:"";
  position:absolute;
  left: 0; right: 0; bottom: 0;
  height: 72%;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(0,0,0,.12));
  clip-path: polygon(0 100%, 50% 36%, 100% 100%);
}

/* linke und rechte Seite (Tasche) */
.env-pocket::after{
  content:"";
  position:absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.10));
  opacity: .0; /* nur als Basis – Seiten machen wir separat als Divs */
}

/* Seitenflächen als echte Elemente (für feinere Shading-Kontrolle) */
.env-left, .env-right{
  position:absolute;
  top: 0; bottom: 0;
  width: 55%;
}

.env-left{
  left: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.03), rgba(0,0,0,.10));
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.env-right{
  right: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.12));
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
}

/* Pocket-Kante (macht es realistischer) */
.env-edge{
  position:absolute;
  left: 0; right: 0;
  bottom: 28%;
  height: 2px;
  background: rgba(0,0,0,.10);
  filter: blur(.2px);
  opacity: .55;
}

/* Schatten IN der Tasche (Brief wirkt "drin") */
.env-pocket-shadow{
  position:absolute;
  left: 8%;
  right: 8%;
  bottom: 10%;
  height: 42%;
  background: radial-gradient(ellipse at 50% 0%,
    rgba(0,0,0,.22),
    transparent 70%);
  opacity: .35;
}

/* Klappe */
.env-flap{
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 64%;
  border-radius: 18px 18px 0 0;

  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(0,0,0,.14));
  clip-path: polygon(0 0, 50% 78%, 100% 0);

  transform-origin: 50% 0%;
  transform: rotateX(0deg);
  transition: transform 1.2s cubic-bezier(.2,.8,.2,1);

  z-index: 6;
  pointer-events: none;

  /* feiner Rand */
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.10);
}

/* =======================================================================
   Siegel
   ======================================================================= */
.seal{
  position: absolute;
  left: 50%;
  top: 52%;
  transform: translate(-50%, -50%);
  width: clamp(62px, 9vw, 86px);
  height: clamp(62px, 9vw, 86px);
  border-radius: 999px;
  border: 0;
  cursor: pointer;

  z-index: 7; /* ganz oben, klickbar */

  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.26), transparent 45%),
    radial-gradient(circle at 70% 70%, rgba(0,0,0,.18), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.22)),
    var(--seal);
  box-shadow:
    0 18px 30px rgba(0,0,0,.22),
    inset 0 0 0 2px rgba(255,255,255,.18),
    inset 0 -10px 18px rgba(0,0,0,.22);
}

.seal:active{ transform: translate(-50%, -50%) scale(.98); }

.seal-mark{
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-title);
  font-size: clamp(26px, 4.2vw, 38px);
  color: rgba(255,255,255,.86);
  text-shadow: 0 2px 10px rgba(0,0,0,.25);
  letter-spacing: .02em;
}

/* ===== Siegel-Animationen ===== */
.envelope.breaking .seal{
  animation: sealWiggle .55s cubic-bezier(.2,.8,.2,1) both;
}

.envelope.broken .seal{
  /* "fällt" ein Stück nach unten und wird kleiner */
  animation: sealDrop .55s cubic-bezier(.2,.8,.2,1) both;
  pointer-events: none;
}

@keyframes sealWiggle{
  0%   { transform: translate(-50%, -50%) rotate(0deg); }
  20%  { transform: translate(-50%, -50%) rotate(-6deg); }
  40%  { transform: translate(-50%, -50%) rotate(6deg); }
  60%  { transform: translate(-50%, -50%) rotate(-4deg); }
  80%  { transform: translate(-50%, -50%) rotate(4deg); }
  100% { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes sealDrop{
  0%   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  70%  { opacity: 1; transform: translate(-50%, -10%) scale(.92); }
  100% { opacity: 0; transform: translate(-50%, 10%) scale(.85); }
}


/* Hinweis */
.hint{
  margin: 0;
  font-family: var(--font-body);
  color: rgba(0,0,0,.52);
  letter-spacing: .04em;
}
body.use-photo .hint{
  color: rgba(255,255,255,.78);
  text-shadow: 0 2px 14px rgba(0,0,0,.55);
}

/* =======================================================================
   OPEN State
   ======================================================================= */
.envelope.open .env-flap{
  transform: rotateX(168deg);
}

/* Siegel verschwindet */
.envelope.open .seal{
  opacity: 0; /* falls JS die Klasse nicht setzt, trotzdem weg */
  pointer-events: none;
}


/* Brief fährt raus */
.envelope.open .letter{
  transform: translateX(-50%) translateY(-40%);
}

/* Brief wird sichtbar, sobald der Umschlag in den Öffnungsprozess geht */
.envelope.broken .letter,
.envelope.open .letter{
  opacity: 1;
  visibility: visible;
}


/* =======================================================================
   Reduce motion
   ======================================================================= */
@media (prefers-reduced-motion: reduce){
  .env-flap, .letter, .seal, .celebrate{ transition: none !important; }
  .neon.flicker{ animation: none !important; }
}



/* ===== Call-to-Action Button ===== */
.cta{
  margin-top: 26px;
  padding: 14px 28px;

  font-family: var(--font-body);
  font-size: clamp(14px, 2.2vw, 18px);
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;

  color: #fff;
  background: var(--color-primary);
  border-radius: 999px;

  box-shadow:
    0 10px 24px rgba(0,0,0,.28),
    inset 0 0 0 1px rgba(255,255,255,.25);

  /* Start: unsichtbar */
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;

  transition:
    opacity .8s ease,
    transform .8s cubic-bezier(.2,.8,.2,1),
    box-shadow .2s ease,
    transform .2s ease;
}

.cta.show{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Hover / Fokus */
.cta:hover{
  box-shadow:
    0 14px 30px rgba(0,0,0,.35),
    inset 0 0 0 1px rgba(255,255,255,.35);
  transform: translateY(-1px);
}

.cta:active{
  transform: translateY(0);
}
@media (max-width: 600px){
  .cta{
    padding: 16px 32px;
  }
}


/* =========================
   Mobile Fix: alles passt auf den Brief
   ========================= */
@media (max-width: 480px){
  /* Umschlag etwas schmaler/höher wirken lassen */
  .envelope{
    width: 92vw;
    max-width: 420px;
  }

  /* Brief höher und etwas weiter raus, damit Inhalt Platz hat */
  .letter{
    width: 90%;
    height: 92%;
    bottom: 7%;
  }
  .envelope.open .letter{
    transform: translateX(-50%) translateY(-44%);
  }

  /* Inhalt kompakter */
  .letter-inner{
    padding: 18px 16px;
    gap: 14px;
  }

  .soon{
    font-size: 14px;
    letter-spacing: .18em;
  }

  /* Der größte Platzfresser: Schriftzug */
  .neon{
    font-size: clamp(44px, 13vw, 74px);
    line-height: 1.0;
  }

  .celebrate{
    font-size: 14px;
    line-height: 1.25;
    max-width: 32ch;
  }

  .cta{
    margin-top: 10px;
    padding: 12px 22px;
    font-size: 14px;
  }
}

/* extra kleine Geräte */
@media (max-width: 360px){
  .letter-inner{ gap: 12px; }
  .neon{ font-size: clamp(40px, 13.5vw, 68px); }
  .cta{ padding: 11px 20px; }
}