/* ==========================================================
   SitBetter · Early Access
   Designsprache nach Brand/corporate-identity-eightsleep.html
   Schrift lokal gehostet, keine externen Verbindungen.
   ========================================================== */

@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('fonts/inter-var.woff2') format('woff2');
}

:root{
  /* Neutrale Basis */
  --black:#000000;
  --near:#121212;
  --bone:#f9f8f7;
  --fog:#f1f2f4;
  --mist:#f1f3fe;
  --white:#ffffff;
  --warm:#696765;
  --cool:#8e8d92;
  --hair:#e4e3e1;

  /* Akzent: Schwarz statt Blau. Cobalt bleibt als Markenfarbe notiert,
     wird auf der Seite aber nicht eingesetzt. */
  --cobalt:#0068f9;
  --accent:#000000;
  --accent-deep:#2a2a2a;
  --alert:#d1422a;

  /* Kontextvariablen, werden pro Sektion umgeschaltet */
  --fg:#000000;
  --muted:#696765;
  --line:#e4e3e1;
  --quiet:#b6b5b3;
  --panel:#f9f8f7;
  --panel-2:#f1f2f4;

  --r:8px;
  --r-s:4px;
  --pad:clamp(64px,8vw,120px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
[hidden]{display:none!important}

body{
  /* Inter steht vor 'Helvetica Neue', sonst greift auf Macs immer Helvetica
     und die lokal gehostete Schrift wird nie benutzt. */
  font-family:'Neue Montreal','NeueMontreal','PP Neue Montreal','Inter',
              ui-sans-serif,system-ui,-apple-system,'Helvetica Neue','Segoe UI',sans-serif;
  background:var(--white);color:var(--fg);
  -webkit-font-smoothing:antialiased;
  font-weight:400;line-height:1.45;letter-spacing:0.01em;
}
img{max-width:100%;display:block}
a{color:inherit}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- Sektionen ---------- */
.sec{padding:var(--pad) 0;background:var(--white)}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.narrow{max-width:820px}

.sec-bone{background:var(--bone);--panel:#ffffff;--panel-2:#f1f2f4}
.sec-fog{background:var(--fog);--panel:#ffffff;--panel-2:#f9f8f7}
.sec-black{
  background:var(--black);color:var(--white);
  --fg:#ffffff;--muted:rgba(255,255,255,0.62);--line:rgba(255,255,255,0.14);
  --quiet:rgba(255,255,255,0.34);
  --panel:#121212;--panel-2:rgba(255,255,255,0.05);--hair:rgba(255,255,255,0.14);
}

/* ---------- Typografie ---------- */
.eyebrow{
  font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;
  color:var(--fg);margin-bottom:22px;
}
.eyebrow.plain{color:var(--muted)}
h1,.d1{font-size:clamp(38px,6.4vw,86px);font-weight:400;line-height:1.02;letter-spacing:0.004em}
h2,.d2{font-size:clamp(28px,3.9vw,52px);font-weight:400;line-height:1.06;letter-spacing:0.006em}
h3{font-size:20px;font-weight:400;line-height:1.2;letter-spacing:0.008em;margin-bottom:10px}
h4{font-size:17px;font-weight:500;letter-spacing:0.01em}
.lede{font-size:clamp(17px,1.5vw,20px);color:var(--muted);line-height:1.45;max-width:620px;margin-top:24px}
.txt{font-size:16px;color:var(--muted);line-height:1.5}
.cap{font-size:12px;color:var(--cool);letter-spacing:0.02em;margin-top:14px}
.head-split{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-end;justify-content:space-between}

/* Highlight: schwarze Linie oder schwarzer Kasten */
.hl-line{box-shadow:inset 0 -3px 0 var(--accent)}
.hl-blue{color:var(--accent)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:inherit;font-size:17px;font-weight:400;letter-spacing:0.01em;
  padding:16px 32px;border-radius:var(--r);border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .18s ease,color .18s ease;
}
.btn-light{background:var(--white);color:var(--black)}
.btn-light:hover{background:#e9e8e6}
.btn-dark{background:var(--black);color:var(--white)}
.btn-dark:hover{background:#2a2a2a}
.btn-blue{background:var(--accent);color:var(--white)}
.btn-blue:hover{background:var(--accent-deep)}
.btn-blue[disabled]{opacity:0.45;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-sm{font-size:15px;padding:13px 22px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Topbar & Nav ---------- */
.topbar{
  background:#3f5975;color:#fff;text-align:center;
  font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;
  padding:12px 20px;
}
.nav{
  background:var(--black);color:#fff;position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:20px;padding:14px clamp(20px,4vw,48px);
}
.nav .mark{display:flex;align-items:center;gap:12px;font-size:15px;letter-spacing:0.02em;text-decoration:none}
.nav .mark img{width:26px;height:26px;border-radius:6px}
.nav .links{margin-left:auto;display:flex;gap:26px;font-size:13px;color:rgba(255,255,255,0.62)}
.nav .links a{color:inherit;text-decoration:none}
.nav .links a:hover{color:#fff}

/* ---------- Head ---------- */
.head{background:var(--white);text-align:center;padding:56px 0 clamp(56px,7vw,88px)}
.head .wrap{max-width:900px}
.brand{
  display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:24px;font-weight:400;letter-spacing:0.01em;color:var(--black);
  margin-bottom:clamp(48px,7vw,72px);
}
.brand img{width:42px;height:42px;object-fit:contain}
.head h1{
  font-size:clamp(38px,6.2vw,76px);font-weight:400;line-height:1.04;letter-spacing:0.004em;
  margin-bottom:20px;
}
.sub{
  color:var(--muted);font-size:clamp(17px,1.5vw,20px);line-height:1.45;
  max-width:560px;margin:0 auto 36px;
}
.marker{
  background:var(--accent);color:var(--white);
  padding:1px 9px;border-radius:var(--r-s);
}

/* ---------- Formular ---------- */
.pill-form,.pill-success{
  max-width:520px;margin:0 auto;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r);
}
.pill-form{display:flex;align-items:center;gap:8px;padding:7px 7px 7px 18px}
.pill-form:focus-within{border-color:var(--accent)}
.pill-form input{
  flex:1;min-width:0;font-family:inherit;font-size:16px;color:var(--black);
  border:none;outline:none;background:transparent;padding:10px 0;
}
.pill-form input::placeholder{color:var(--cool)}
.pill-form button{
  font-family:inherit;font-size:15px;font-weight:400;letter-spacing:0.01em;
  background:var(--accent);color:var(--white);
  border:none;border-radius:var(--r-s);padding:14px 26px;cursor:pointer;white-space:nowrap;
  transition:background .18s ease;
}
.pill-form button:hover{background:var(--accent-deep)}
.pill-form button[disabled]{opacity:0.45;cursor:not-allowed}
.pill-success{
  display:flex;align-items:center;justify-content:center;gap:12px;
  padding:20px 24px;font-size:16px;
}
.pill-success .check{color:var(--accent);flex:none;display:flex}
.tiny{color:var(--cool);font-size:13px;letter-spacing:0.02em;margin:12px auto 0;max-width:560px;line-height:1.5}
.tiny a{color:inherit}
.tiny .adresse{color:var(--fg);font-weight:500;overflow-wrap:break-word}
.form-error{color:var(--alert);font-size:13px;letter-spacing:0.02em;margin-top:12px}
.scarcity{font-size:14px;color:var(--warm);letter-spacing:0.02em;margin-top:16px}

/* ---------- App-Screens ---------- */
.shot{background:var(--white);padding:clamp(40px,5vw,64px) 0 clamp(48px,6vw,80px)}
.shot .wrap{padding-left:0;padding-right:0}
.carousel{
  display:flex;overflow-x:auto;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.carousel::-webkit-scrollbar{display:none}
.slide{
  position:relative;flex:0 0 100%;display:flex;justify-content:center;
  scroll-snap-align:center;padding:0 clamp(20px,4vw,48px);
}
.slide img{
  width:min(400px,82vw);height:auto;
}
.dots{display:flex;justify-content:center;gap:8px;margin-top:20px}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--hair);border:none;padding:0;cursor:pointer;transition:background .2s;
}
.dot.active{background:var(--accent)}

/* ---------- Zentrierte Sektionen ---------- */
.center{text-align:center}
.center h2{margin:0 auto}
.section-sub{font-size:16px;color:var(--muted);line-height:1.5;max-width:480px;margin:14px auto 0}

/* ---------- Ablauf ---------- */
.steps{
  display:flex;flex-direction:column;gap:12px;
  max-width:720px;margin:clamp(36px,4vw,56px) auto 0;text-align:left;
}
.step{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(22px,2.4vw,28px);
}
.step-icon{flex:none;width:30px;color:var(--fg);display:flex}
.step-icon svg{width:30px;height:30px}
.step b{display:block;font-size:19px;font-weight:400;letter-spacing:0.008em}
.step p{font-size:15px;color:var(--muted);line-height:1.5;margin-top:8px}

/* ---------- Zahlen ---------- */
.facts{
  max-width:720px;margin:clamp(36px,4vw,56px) auto 0;text-align:left;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:0 clamp(20px,2.4vw,32px);
}
.fact{display:flex;gap:24px;align-items:baseline;padding:24px 0}
.fact + .fact{border-top:1px solid var(--line)}
.fact .n{
  flex:none;min-width:128px;
  font-size:clamp(28px,3vw,38px);font-weight:400;line-height:1.1;letter-spacing:0.002em;
  font-variant-numeric:tabular-nums;color:var(--accent);
}
.fact .l{font-size:15px;color:var(--warm);line-height:1.5}

/* ---------- Inhaltsseiten ---------- */
.page{padding:clamp(48px,6vw,88px) 0 clamp(64px,8vw,120px)}
.page .wrap{max-width:820px}
.page h1{font-size:clamp(32px,4.6vw,58px);margin-bottom:8px}
.page h2{font-size:20px;font-weight:500;letter-spacing:0.01em;line-height:1.3;
         margin:40px 0 12px;padding-top:24px;border-top:1px solid var(--line)}
.page h2:first-of-type{margin-top:32px}
.page p{font-size:16px;color:var(--warm);line-height:1.62;margin-bottom:14px}
.page p strong{color:var(--fg);font-weight:500}
.page a{color:var(--fg);text-decoration:underline;text-underline-offset:3px}
.page a:hover{color:var(--warm)}
.page ul{list-style:none;margin:0 0 14px}
.page li{font-size:16px;color:var(--warm);line-height:1.62;padding:9px 0 9px 24px;
         border-bottom:1px solid var(--line);position:relative}
.page li::before{content:"";position:absolute;left:0;top:19px;width:8px;height:1px;background:var(--accent)}
.page .muted{color:var(--cool);font-size:14px}
.back{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:0.02em;
  color:var(--muted);text-decoration:none;
}
.back:hover{color:var(--fg)}

/* Bestätigungsseite */
.confirm{
  min-height:78vh;display:flex;align-items:center;
  background:var(--black);color:#fff;position:relative;overflow:hidden;
  --fg:#ffffff;--muted:rgba(255,255,255,0.7);--line:rgba(255,255,255,0.16);
  padding:clamp(72px,10vw,140px) 0;
}
.confirm::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,#141414 0%,#000 100%);
}
.confirm .wrap{position:relative;z-index:2;max-width:820px}
.confirm .tick{
  width:52px;height:52px;border-radius:var(--r);background:var(--white);color:var(--black);
  display:flex;align-items:center;justify-content:center;margin-bottom:30px;
}

/* ---------- Footer ---------- */
footer{
  background:var(--white);border-top:1px solid var(--line);
  padding:clamp(28px,3.5vw,44px) 0;text-align:center;
  font-size:13px;color:var(--cool);letter-spacing:0.02em;
}
footer a{color:inherit;text-decoration:underline;text-underline-offset:3px}
footer a:hover{color:var(--fg)}
.social{display:flex;justify-content:center;gap:14px;margin-bottom:20px}
.social a{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;color:var(--fg);text-decoration:none;
  border:1px solid var(--line);border-radius:var(--r-s);
  transition:background .18s ease,color .18s ease;
}
.social a:hover{background:var(--accent);color:var(--white);border-color:var(--accent)}
.social svg{width:19px;height:19px}

/* ---------- Mobil ---------- */
@media (max-width:760px){
  .nav .links{display:none}
  .head-split{gap:20px}
  .fact{flex-direction:column;gap:6px;align-items:flex-start}
  .fact .n{min-width:0}
}
@media (max-width:480px){
  .head{padding:40px 0 56px}
  .pill-form{padding:6px 6px 6px 18px}
  .pill-form button{padding:12px 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}