/* QuickConvert — dark cyan/teal accent, clean utility feel */
:root{
  --bg:#070C0A;--surface:#0B120F;--card:#0F1A15;--card-hi:#14201A;
  --line:#1C2C24;--line-hi:#28403A;
  --text:#E2F0EB;--dim:#6A9A88;--faint:#3A6A58;
  --cy:#06B6D4;--cy-hi:#22D3EE;--cy-dim:rgba(6,182,212,.10);--cy-line:rgba(6,182,212,.28);
  --bad:#EF4444;--warn:#F59E0B;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI",Inter,Roboto,Arial,sans-serif;
  --r:13px;--r-lg:18px;--wrap:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
:focus-visible{outline:2px solid var(--cy);outline-offset:3px;border-radius:4px}
::selection{background:var(--cy);color:#000}

.site-head{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.site-head__row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.logo__mark{width:28px;height:28px;flex:none;border-radius:8px;background:linear-gradient(145deg,var(--cy-hi),var(--cy));box-shadow:0 0 18px -6px var(--cy);display:grid;place-items:center;font-size:16px}
.logo__text{font-size:19px;font-weight:750;letter-spacing:-.03em}
.burger{display:grid;gap:5px;width:40px;height:38px;place-content:center;background:var(--card);border:1px solid var(--line);border-radius:9px;cursor:pointer}
.burger span{display:block;width:16px;height:1.5px;background:var(--dim);border-radius:2px}
.nav{border-top:1px solid var(--line);display:none;background:var(--surface)}
.nav.is-open{display:block}
.nav__inner{display:flex;flex-wrap:wrap;gap:3px;padding-block:10px}
.nav__link{padding:7px 12px;border-radius:8px;text-decoration:none;color:var(--dim);font-size:13.5px;font-weight:500;transition:.15s}
.nav__link:hover{background:var(--card-hi);color:var(--text)}
.nav__link.is-on{background:var(--cy-dim);color:var(--cy-hi)}
@media(min-width:980px){.burger{display:none}.nav{display:block;border-top:0;background:transparent}.nav__inner{padding-block:8px;border-top:1px solid var(--line);justify-content:center}}

.home-hero{position:relative;padding:80px 0 36px;text-align:center;overflow:hidden}
.home-hero::before{content:'';position:absolute;top:-280px;left:50%;transform:translateX(-50%);width:760px;height:560px;pointer-events:none;background:radial-gradient(ellipse,rgba(6,182,212,.12),transparent 60%)}
.home-hero h1{font-size:clamp(36px,7.5vw,68px);line-height:1.04;letter-spacing:-.045em;font-weight:800;margin:0 0 18px}
.home-hero h1 em{font-style:normal;background:linear-gradient(180deg,var(--cy-hi),var(--cy));-webkit-background-clip:text;background-clip:text;color:transparent}
.home-hero p{margin:0 auto;max-width:54ch;color:var(--dim);font-size:17.5px}
.eyebrow{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cy-hi);margin-bottom:18px}
.badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:99px;background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--dim)}
.badge::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--cy)}
.hero{padding:42px 0 8px}
.crumb{font-size:12px;color:var(--faint);margin:0 0 12px}
.crumb a{color:var(--faint);text-decoration:none}
.crumb a:hover{color:var(--cy-hi)}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.1;letter-spacing:-.04em;font-weight:800;margin:0 0 10px}
.hero p{margin:0;color:var(--dim);font-size:17px;max-width:62ch}

.tiles{display:grid;gap:13px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.tile{position:relative;display:flex;gap:14px;padding:19px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);text-decoration:none;color:var(--text);overflow:hidden;transition:.2s}
.tile::after{content:'';position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,var(--cy-line),transparent);opacity:0;transition:.25s}
.tile:hover{border-color:var(--line-hi);transform:translateY(-3px);background:var(--card-hi)}
.tile:hover::after{opacity:1}
.tile__icon{flex:none;width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--cy-dim);color:var(--cy-hi);transition:.2s}
.tile:hover .tile__icon{background:var(--cy);color:#000}
.tile__body{display:flex;flex-direction:column;gap:3px;min-width:0}
.tile__title{font-weight:650;font-size:16px;letter-spacing:-.02em}
.tile__desc{color:var(--dim);font-size:13.5px;line-height:1.6}

.bench{position:relative;margin:24px 0;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 24px 56px -30px rgba(0,0,0,.9)}
.bench::before{content:'';position:absolute;top:-1px;left:28px;right:28px;height:1px;background:linear-gradient(90deg,transparent,var(--cy-line),transparent)}
@media(min-width:700px){.bench{padding:30px}}

.segmented{display:flex;gap:4px;padding:4px;background:var(--card);border:1px solid var(--line);border-radius:12px}
.segmented__btn{flex:1;min-width:0;padding:9px 6px;border:0;border-radius:9px;cursor:pointer;background:transparent;color:var(--dim);font-family:var(--sans);font-size:13px;font-weight:600;transition:.15s;white-space:nowrap}
.segmented__btn.is-on{background:var(--cy);color:#000}
.segmented__btn:hover:not(.is-on){background:var(--card-hi);color:var(--text)}

.grid{display:grid;gap:15px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin-top:18px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field__label{font-size:13px;color:var(--dim);font-weight:500}
.input,.select{width:100%;padding:11px 13px;font-family:var(--sans);font-size:15px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:10px;transition:.16s}
.input--lg{font-size:20px;padding:13px;font-weight:700}
.input::placeholder{color:var(--faint)}
.input:focus,.select:focus{outline:none;border-color:var(--cy-line);box-shadow:0 0 0 4px var(--cy-dim)}
.select{appearance:none;padding-right:32px;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--dim) 50%),linear-gradient(135deg,var(--dim) 50%,transparent 50%);background-position:calc(100% - 17px) center,calc(100% - 12px) center;background-size:5px 5px;background-repeat:no-repeat}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:10px;cursor:pointer;border:1px solid var(--line-hi);background:var(--card);color:var(--text);font-family:var(--sans);font-size:15px;font-weight:600;text-decoration:none;transition:.15s}
.btn:hover{background:var(--card-hi)}
.btn--go{background:linear-gradient(180deg,var(--cy-hi),var(--cy));border-color:transparent;color:#000;box-shadow:0 6px 22px -10px var(--cy)}
.btn--go:hover{filter:brightness(1.08)}
.btn--tip{padding:9px 14px;font-size:14px;border-radius:8px}
.btn--tip.is-on{background:var(--cy);border-color:transparent;color:#000}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

.table-note{margin-top:14px;font-size:12.5px;color:var(--dim);font-weight:600}
.out:empty{display:none}
.out{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.big{font-size:clamp(26px,5vw,40px);line-height:1.15;letter-spacing:-.04em;font-weight:800;margin:0 0 16px;word-break:break-word}
.big--cy{color:var(--cy-hi)}
.row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.row:last-child{border-bottom:0}
.row span:first-child{color:var(--dim)}
.row b{font-weight:650;font-variant-numeric:tabular-nums}
.row--total{margin-top:6px;padding-top:14px;border-top:1px solid var(--line-hi);border-bottom:0;font-size:18px}
.row--total b{color:var(--cy-hi)}
.row--bad b{color:var(--bad)}
.note{margin-top:18px;padding:13px 15px;border-radius:10px;font-size:14px;line-height:1.8;background:var(--cy-dim);border:1px solid var(--cy-line)}
.err:empty{display:none}
.err{margin-top:14px;padding:12px 15px;border-radius:10px;font-size:14px;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#fca5a5}

/* person rows for bill splitter */
.person-row{display:grid;grid-template-columns:1fr 100px 24px;gap:8px;align-items:center;margin-bottom:8px}
.person-row input{padding:9px 10px;font-size:14px}
.x-btn{border:0;background:none;color:var(--faint);font-size:19px;cursor:pointer;border-radius:7px;padding:2px 6px;transition:.15s;line-height:1}
.x-btn:hover{background:rgba(239,68,68,.15);color:var(--bad)}

/* product rows for unit price */
.product-row{display:grid;grid-template-columns:1fr 80px 90px 24px;gap:8px;align-items:center;margin-bottom:8px}
.product-row input{padding:9px 10px;font-size:14px}
.best-tag{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:6px;background:var(--cy-dim);border:1px solid var(--cy-line);color:var(--cy-hi);font-size:12px;font-weight:650}

/* pct cards */
.pct-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:10px}
.pct-label{font-size:13px;color:var(--dim);font-weight:600}
.pct-result{font-size:22px;font-weight:800;color:var(--cy-hi);margin-top:10px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}

.search{position:relative;max-width:460px;margin:30px auto 0}
.search input{width:100%;padding:14px 18px 14px 46px;font-size:16px;font-family:var(--sans);background:var(--card);color:var(--text);border:1px solid var(--line-hi);border-radius:12px;transition:.18s}
.search input::placeholder{color:var(--faint)}
.search input:focus{outline:none;border-color:var(--cy-line);box-shadow:0 0 0 4px var(--cy-dim)}
.search__icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--faint);pointer-events:none}
.search__empty{text-align:center;color:var(--faint);padding:36px;display:none}

.section{padding:38px 0}
.section__title{font-size:22px;font-weight:750;letter-spacing:-.03em;margin:0 0 18px}
.prose{max-width:70ch}
.prose h2{font-size:22px;font-weight:750;letter-spacing:-.03em;margin:32px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 12px;color:#9AC0B0}
.prose ul,.prose ol{margin:0 0 12px;padding-left:20px;color:#9AC0B0}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--cy)}
.prose a{color:var(--cy-hi);text-decoration:none;border-bottom:1px solid var(--cy-line)}
.prose strong{color:var(--text)}
.faq{max-width:70ch;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:16px 0;cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:14px;transition:.15s}
.faq summary:hover{color:var(--cy-hi)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--cy);font-size:20px;line-height:1;flex:none;font-weight:400}
.faq details[open] summary::after{content:'–'}
.faq p{margin:0 0 16px;color:#9AC0B0;font-size:15px}
.ad{margin:28px 0;min-height:100px;display:grid;place-items:center}
.ad--empty{border:1px dashed var(--line);border-radius:var(--r);color:#2A5040;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.site-foot{border-top:1px solid var(--line);padding:36px 0;margin-top:16px;background:var(--surface)}
.foot__line{margin:0 0 16px;color:var(--dim);font-size:14.5px}
.foot__nav{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:16px}
.foot__nav a{color:var(--dim);text-decoration:none;font-size:14px;transition:.15s}
.foot__nav a:hover{color:var(--cy-hi)}
.foot__copy{margin:0;color:var(--faint);font-size:12.5px}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}