/* ============================================================
   Expense Tracker – Landing Page
   Marke: Teal #0F766E · hell/dunkel (System + Umschalter)
   ============================================================ */
:root{
  --brand:#0F766E;          /* Markenfarbe */
  --brand-deep:#115E59;     /* tief */
  --brand-night:#042F2E;    /* Nacht */
  --brand-bright:#14B8A6;
  --brand-light:#5EEAD4;    /* hell */
  --brand-wash:#F0FDFA;
  --amber:#F59E0B;

  --bg:#F7FBFA;
  --bg-alt:#EEF6F4;
  --surface:#FFFFFF;
  --text:#0F1F1D;
  --muted:#4B5F5B;
  --line:#D8E6E2;
  --accent:var(--brand);
  --accent-text:#0F766E;
  --on-accent:#FFFFFF;
  --chip:#E1F3EF;
  --shadow:0 18px 50px -20px rgba(15,60,55,.35);
  --radius:22px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Noto Sans JP","Noto Sans KR","Noto Sans SC","Noto Sans Devanagari",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#03201F; --bg-alt:#062A28; --surface:#0A3330; --text:#E3EEEB; --muted:#9FB4AF; --line:#174744;
    --accent:#5EEAD4; --accent-text:#5EEAD4; --on-accent:#042F2B; --chip:#0F3F3B;
    --shadow:0 18px 50px -20px rgba(0,0,0,.7); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#03201F; --bg-alt:#062A28; --surface:#0A3330; --text:#E3EEEB; --muted:#9FB4AF; --line:#174744;
  --accent:#5EEAD4; --accent-text:#5EEAD4; --on-accent:#042F2B; --chip:#0F3F3B;
  --shadow:0 18px 50px -20px rgba(0,0,0,.7); color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.55;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-text)}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:820px}
.ico{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.ico--sm{width:16px;height:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 22px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font:inherit;font-weight:600}
.btn--primary{background:var(--accent);color:var(--on-accent)}
.btn--primary:hover{filter:brightness(1.07)}
.btn--sm{padding:8px 16px;font-size:15px}
.iconbtn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer}
.iconbtn .ico--moon{display:none}
:root[data-theme="dark"] .iconbtn .ico--sun{display:none}
:root[data-theme="dark"] .iconbtn .ico--moon{display:block}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .iconbtn .ico--sun{display:none}
  :root:not([data-theme="light"]) .iconbtn .ico--moon{display:block}
}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.brand img{border-radius:8px}
.topnav{display:flex;gap:22px;margin-left:12px}
.topnav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500;white-space:nowrap}
.topnav a:hover{color:var(--text)}
.topbar__tools{margin-left:auto;display:flex;align-items:center;gap:10px}

/* Sprachwahl */
.lang{position:relative}
.lang__current{display:flex;align-items:center;gap:7px;height:40px;padding:0 10px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.flag{display:inline-block;width:22px;height:15px;border-radius:3px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.12);flex:0 0 auto}
.flag svg{width:100%;height:100%;display:block}
.lang__menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);list-style:none;margin:0;padding:6px;width:220px;max-height:min(70vh,520px);overflow:auto;z-index:60}
.lang__menu button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:0;background:none;color:var(--text);font:inherit;font-size:15px;border-radius:10px;cursor:pointer;text-align:left}
.lang__menu button:hover,.lang__menu button:focus-visible{background:var(--chip)}
.lang__menu button[aria-selected="true"]{background:var(--chip);font-weight:600}

/* Hero */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:
  radial-gradient(900px 500px at 85% 10%,color-mix(in srgb,var(--brand-bright) 22%,transparent),transparent 70%),
  radial-gradient(700px 420px at 0% 100%,color-mix(in srgb,var(--brand) 14%,transparent),transparent 70%)}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:var(--chip);color:var(--accent-text);font-weight:600;font-size:14px;border-radius:999px;padding:6px 14px;margin-bottom:18px}
h1{font-size:clamp(36px,5.4vw,62px);font-weight:800;letter-spacing:-.035em}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:36em}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}
.badges--center{justify-content:center}
.badge{display:inline-block;border-radius:10px;transition:transform .15s}
.badge img{height:50px;width:auto}
.badge:hover{transform:translateY(-2px)}
.badge--soon{opacity:.55}
.trust{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:8px 20px;font-weight:500;font-size:15px}
.trust li{display:flex;align-items:center;gap:6px}
.trust .ico{color:var(--accent-text);width:20px;height:20px}
.hero__free{font-size:14px;color:var(--muted);margin:0}

.hero__visual{position:relative;height:600px}
.phone{background:#0B1513;border-radius:44px;padding:10px;box-shadow:var(--shadow),0 0 0 1px rgba(0,0,0,.08);width:280px}
.phone img{border-radius:34px;width:100%}
.hero__visual .phone{position:absolute}
.phone--front{left:6%;top:10px;z-index:2;width:290px}
.phone--back{right:2%;top:80px;width:260px;transform:rotate(5deg);opacity:.96}

/* Sections */
.section{padding:88px 0}
.section__title{font-size:clamp(28px,3.6vw,42px);font-weight:800;text-align:center}
.section__sub{text-align:center;color:var(--muted);font-size:18px;margin:0 auto 40px;max-width:40em}

/* Aufwandsarten */
.kinds{background:var(--bg-alt)}
.kinds__grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kind{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.kind h3{font-size:19px;margin:14px 0 6px}
.kind p{color:var(--muted);font-size:15px;margin:0}
.kind__ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center}
.kind__ic .ico{width:24px;height:24px}
.kind--money .kind__ic{background:#CCFBF1;color:#0F766E}
.kind--time .kind__ic{background:#DBEAFE;color:#2563EB}
.kind--material .kind__ic{background:#FEF3C7;color:#B45309}
.kind--mileage .kind__ic{background:#EDE9FE;color:#7C3AED}
.kind--energy .kind__ic{background:#FEF9C3;color:#A16207}
.kind--custom .kind__ic{background:#FCE7F3;color:#DB2777}
.kind--helpers{grid-column:span 2;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;border-color:transparent}
.kind--helpers p{color:rgba(255,255,255,.85)}
.kind--helpers .kind__ic{background:rgba(255,255,255,.16);color:#fff}

/* Feature-Reihen */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.feat + .feat{border-top:1px solid var(--line)}
.feat--rev .feat__copy{order:2}
.feat__copy h2{font-size:clamp(26px,3vw,38px);font-weight:800}
.feat__copy > p{color:var(--muted);font-size:18px}
.feat__visual{display:flex;justify-content:center}
.feat__visual .phone{width:290px}
.kicker{display:flex;align-items:center;gap:10px;color:var(--accent-text);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.tag{display:inline-block;background:var(--amber);color:#3B2504;border-radius:6px;padding:2px 8px;font-size:12px;letter-spacing:.04em}
.checks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks .ico{color:var(--accent-text);margin-top:2px;width:20px;height:20px}
.checks--2col{grid-template-columns:1fr 1fr;gap:12px 28px}

/* Mehr */
.more{background:var(--bg-alt)}
.more .section__title{margin-bottom:40px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.tile .ico{color:var(--accent-text);width:28px;height:28px}
.tile h3{font-size:19px;margin:14px 0 6px}
.tile p{color:var(--muted);font-size:15.5px;margin:0}

/* Zielgruppen */
.audience .section__title{margin-bottom:40px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.aud{border-radius:28px;padding:32px;background:var(--surface);border:1px solid var(--line)}
.aud--alt{background:var(--chip);border-color:transparent}
.aud__ic{width:52px;height:52px;border-radius:16px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;margin-bottom:16px}
.aud__ic .ico{width:26px;height:26px}
.aud h3{font-size:24px}
.aud > p{color:var(--muted)}

/* So geht's */
.how{background:var(--bg-alt)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.step__n{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--accent);color:var(--on-accent);font-weight:800;margin-bottom:14px}
.step h3{font-size:20px}
.step p{color:var(--muted);margin:0;font-size:16px}

/* Preise */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:880px;margin:0 auto}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:32px}
.plan h3{font-size:28px;margin-bottom:4px}
.plan__tag{color:var(--muted);font-weight:500}
.plan__lead{font-weight:600;margin:0}
.plan--pro{background:linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 60%,var(--brand-night) 100%);color:#fff;border-color:transparent;box-shadow:var(--shadow)}
.plan--pro .plan__tag{color:#99F6E4}
.plan--pro .checks .ico{color:#FCD34D}
.plan__note{font-size:14px;color:rgba(255,255,255,.8);margin:20px 0 0}

/* Datenschutz */
.privacy__in{display:flex;gap:28px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:32px;padding:40px}
.privacy__ic{flex:0 0 auto;width:64px;height:64px;border-radius:20px;background:var(--chip);color:var(--accent-text);display:grid;place-items:center}
.privacy__ic .ico{width:32px;height:32px}
.privacy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800}
.privacy p{color:var(--muted)}

/* FAQ */
.faq{padding-top:24px}
.faq .section__title{margin-bottom:32px}
.faq__list details{border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:0 22px;margin-bottom:10px}
.faq__list summary{cursor:pointer;font-weight:600;padding:18px 28px 18px 0;list-style:none;position:relative}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary::after{content:"";position:absolute;right:2px;top:50%;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq__list details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq__list details p{color:var(--muted);margin:0 0 18px}

/* CTA */
.cta{padding:88px 0;background:linear-gradient(140deg,#0F766E,#115E59 55%,#042F2E);color:#fff;text-align:center}
.cta__icon{margin:0 auto 20px;border-radius:22px;box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
.cta h2{font-size:clamp(28px,3.8vw,44px);font-weight:800}
.cta p{color:#CCFBF1;font-size:18px}

/* Footer */
.footer{padding:56px 0 40px;border-top:1px solid var(--line);font-size:15px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.footer__brand p{color:var(--muted);margin-top:12px;max-width:26em}
.footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer ul a{color:var(--text);text-decoration:none}
.footer ul a:hover{color:var(--accent-text);text-decoration:underline}
.footer__note{color:var(--muted);font-size:13.5px;margin:36px 0 8px;max-width:60em}
.footer__copy{color:var(--muted);font-size:13.5px;margin:0}

/* Toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:12px 20px;border-radius:14px;font-weight:500;opacity:0;transition:opacity .25s,transform .25s;z-index:100;max-width:calc(100% - 32px)}
.toast--on{opacity:1;transform:translate(-50%,0)}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* Responsive */
@media (max-width: 1020px){
  .topnav{display:none}
  .kinds__grid{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr 1fr}
  .footer__brand{grid-column:1 / -1}
}
@media (max-width: 860px){
  .hero{padding:40px 0 56px}
  .hero__in{grid-template-columns:1fr;gap:28px}
  .hero__visual{height:520px;max-width:420px;width:100%;margin:0 auto}
  .phone--front{left:0;width:250px}
  .phone--back{right:0;width:220px;top:70px}
  .feat,.grid2,.plans,.steps{grid-template-columns:1fr}
  .feat{gap:28px}
  .feat--rev .feat__copy{order:0}
  .checks--2col{grid-template-columns:1fr}
  .privacy__in{flex-direction:column;padding:28px}
}
@media (max-width: 560px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .topbar__in{gap:10px;height:60px}
  .topbar__cta{display:none}
  .brand span{font-size:16px}
  .section{padding:64px 0}
  .kinds__grid,.grid3{grid-template-columns:1fr}
  .kind--helpers{grid-column:auto}
  .hero__visual{height:470px}
  .phone--front{width:224px}
  .phone--back{width:196px;top:60px}
  .feat__visual .phone{width:250px}
  .aud,.plan{padding:24px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .lang__code{display:none}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}