/* SplitChamp website — shared styles.
   Colors mirror the app's theme (lib/core/theme/app_colors.dart) so the site and
   the product read as one thing. */

:root{
  --red:#D92D2D;
  --red-dark:#A81F1F;
  --red-tint:#FDECEC;
  --red-wash:#FFF6F6;
  --teal:#0EA5A4;
  --green:#2E9E6B;
  --ink:#14161A;
  --body:#5B6069;
  --muted:#8A8F98;
  --line:#E4E6EB;
  --line-soft:#EDEEF2;
  --surface:#FFFFFF;
  --bg:#F7F8FA;
  --bg-alt:#F0F1F4;

  --display:"Sora",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Roboto Mono",ui-monospace,Menlo,monospace;
  --maxw:1080px;
  --radius:18px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--surface);color:var(--ink);
  font-family:var(--display);font-weight:300;line-height:1.65;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin:0}
.eyebrow .dot{color:var(--red)}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.025em;text-wrap:balance}
h2{font-weight:600;font-size:clamp(1.6rem,3.6vw,2.4rem);line-height:1.15;margin:.6rem 0 0}
.lede{color:var(--body);font-size:1.04rem;max-width:62ch;margin:.9rem 0 0}
section{padding:84px 0}

/* ---- NAV ---- */
nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line-soft)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px}
.brand .mk{width:30px;height:30px}
.brand .bn{font-weight:600;font-size:1.2rem;letter-spacing:-.035em}
.brand .bn i{font-style:normal;color:var(--red)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:.92rem;color:var(--body);transition:color .18s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:#fff;background:var(--red);padding:9px 16px;border-radius:10px;transition:background .2s,transform .18s}
.nav-cta:hover{background:var(--red-dark);transform:translateY(-1px)}
.nav-mobile-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);width:42px;height:42px;border-radius:11px;cursor:pointer}
.nav-mobile-toggle svg{width:19px;height:19px}
.nav-mobile{display:none}
@media(max-width:760px){
  .nav-links{display:none}
  .nav-mobile-toggle{display:grid;place-items:center}
  .nav-cta{margin-left:auto}
  .nav-mobile{position:absolute;left:16px;right:16px;top:calc(100% + 8px);padding:8px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px rgba(20,22,26,.12)}
  .nav-mobile.is-open{display:grid}
  .nav-mobile a{padding:12px 14px;border-radius:10px;color:var(--body);font-size:.94rem}
  .nav-mobile a:hover{background:var(--bg);color:var(--ink)}
}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:500;font-size:.97rem;padding:13px 22px;border-radius:12px;transition:transform .18s,box-shadow .2s,background .2s,border-color .2s}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 26px rgba(217,45,45,.25)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(217,45,45,.32)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--muted);transform:translateY(-2px)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}

/* ---- PRODUCT PREVIEW ---- */
.hero-preview{margin:52px auto 0;filter:drop-shadow(0 24px 34px rgba(20,22,26,.12));animation:rise 900ms 160ms cubic-bezier(.16,1,.3,1) both}
.app-preview{width:min(100%,390px);padding:18px 18px 0;border:1px solid #DDE0E6;border-radius:28px;background:#F7F8FA;text-align:left;overflow:hidden}
.app-status{display:flex;justify-content:space-between;padding:0 7px;color:#6E737B;font-family:var(--mono);font-size:9px;letter-spacing:.04em}.app-header{display:flex;align-items:center;justify-content:space-between;margin:20px 5px 22px}.app-header h2{margin:0;font-size:2.1rem;letter-spacing:-.06em}.app-header-actions{display:flex;align-items:center;gap:10px;color:var(--red)}.key-icon{font-size:28px;line-height:1;transform:rotate(-25deg)}.plus-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;font-size:30px;font-weight:300;line-height:1}.user-avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#FDE5E5;color:var(--red);font-size:14px}
.app-summary{padding:24px 20px 22px;border:1px solid #DDE0E6;border-radius:24px;background:#fff}.app-label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#858A93}.app-amount{margin-top:24px;color:var(--red);font-family:var(--mono);font-size:2.45rem;line-height:1;font-weight:500;letter-spacing:-.08em}.app-muted{margin-top:20px;color:#858A93;font-size:1rem}.app-breakdown{margin-top:25px;color:var(--red);font-size:1rem;font-weight:500}.app-breakdown span{font-size:1.5rem;vertical-align:-2px;margin-left:4px}.app-search{display:flex;align-items:center;gap:14px;margin:18px 0 22px;padding:18px 16px;border:1px solid #E0E2E8;border-radius:18px;background:#F0F1F5;color:#B0B4BC;font-size:1rem}.app-search>span{font-size:1.8rem;line-height:.6;color:#5E636C}.app-search b{margin-left:auto;padding-left:14px;border-left:1px solid #E0E2E8;color:#6D727A;font-size:1.45rem;font-weight:400}.app-group{display:flex;align-items:center;gap:14px;padding:16px 14px;border:1px solid #DDE0E6;border-radius:22px;background:#fff}.group-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:17px;background:#F0F1F5;color:#5E636C;font-size:1.4rem}.group-copy{display:grid;gap:2px;min-width:0}.group-copy strong{font-size:1.05rem}.group-copy span,.group-owe span{color:#858A93;font-size:.82rem}.group-owe{display:grid;gap:3px;margin-left:auto;text-align:right}.group-owe strong{color:var(--red);font-family:var(--mono);font-size:1rem;font-weight:500}.app-add{width:max-content;margin:30px 0 16px auto;padding:13px 20px;border-radius:28px;background:var(--red);color:#fff;font-size:1.05rem;font-weight:500;box-shadow:0 8px 20px rgba(217,45,45,.25)}.app-add span{margin-right:8px}.app-bottom{display:flex;justify-content:space-around;margin:0 -18px;padding:12px 16px 15px;border:1px solid #fff;border-radius:30px 30px 0 0;background:rgba(255,255,255,.86);box-shadow:0 -6px 20px rgba(20,22,26,.06);color:#A2A7AF}.app-bottom div{display:grid;justify-items:center;gap:3px;min-width:72px}.app-bottom span{font-size:1.6rem;line-height:1}.app-bottom small{font-size:.7rem}.app-bottom .active{color:var(--red)}
@media(max-width:620px){.hero-preview{margin-top:38px}.app-preview{width:min(100%,360px);padding-left:14px;padding-right:14px}.app-header h2{font-size:1.9rem}.app-amount{font-size:2.15rem}.app-bottom{margin-left:-14px;margin-right:-14px}}

/* ---- FOOTER ---- */
footer{border-top:1px solid var(--line-soft);background:var(--bg);padding:46px 0 54px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;gap:20px 34px;align-items:center;justify-content:space-between}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.03em}
.foot-brand .mk{width:26px;height:26px}
.foot-links{display:flex;flex-wrap:wrap;gap:20px;font-size:.9rem;color:var(--body)}
.foot-links a:hover{color:var(--red)}
.foot-copy{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);width:100%}
.foot-copy a{color:var(--body);border-bottom:1px solid var(--line)}
.foot-copy a:hover{color:var(--red)}

/* ---- LEGAL PAGES ---- */
.legal{padding:64px 0 80px}
.legal .wrap{max-width:760px}
.legal h1{font-weight:600;font-size:clamp(1.9rem,4.4vw,2.6rem);line-height:1.12;margin:.7rem 0 0}
.legal .updated{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:14px}
.legal h2{font-size:1.22rem;font-weight:600;margin:44px 0 0;padding-top:22px;border-top:1px solid var(--line-soft)}
.legal h3{font-size:1rem;font-weight:600;margin:24px 0 0}
.legal p,.legal li{color:var(--body);font-size:1rem}
.legal p{margin:.8rem 0 0}
.legal ul{margin:.7rem 0 0;padding-left:20px}
.legal li{margin:.4rem 0}
.legal strong{color:var(--ink);font-weight:500}
.legal a{color:var(--red);border-bottom:1px solid var(--red-tint)}
.legal a:hover{border-color:var(--red)}
.legal table{width:100%;border-collapse:collapse;margin:1.1rem 0 0;font-size:.94rem}
.legal th,.legal td{text-align:left;padding:10px 12px;border:1px solid var(--line-soft);color:var(--body);vertical-align:top}
.legal th{background:var(--bg);color:var(--ink);font-weight:500}
.callout{margin:1.2rem 0 0;padding:16px 18px;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:12px;background:var(--red-wash)}
.callout p{margin:0}
.toc{margin:28px 0 0;padding:18px 20px;border:1px solid var(--line-soft);border-radius:14px;background:var(--bg)}
.toc p{margin:0 0 8px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px}
.toc li{margin:.25rem 0;font-size:.93rem}
.toc a{color:var(--body);border:0}
.toc a:hover{color:var(--red)}
@media(max-width:620px){.toc ol{columns:1}}

/* ---- CARD INTERACTIONS ---- */
.method,.feat,.step,.trust-card,.maker-card{transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.method:hover,.feat:hover,.step:hover,.maker-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(20,22,26,.1);border-color:var(--red)}
.trust-card:hover{transform:translateY(-5px);border-color:#FF8B6B;box-shadow:0 16px 34px rgba(0,0,0,.22)}

/* ---- SCROLL REVEALS ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.16,1,.3,1);transition-delay:var(--reveal-delay,0ms)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}