/* Winnow site. One ground, one ink, one champagne accent taken from the app icon.
   Flat fields, no gradients, no shadows at rest, no hairline boxes. */
:root{
  --bg:#0c0c10; --step:#15151b; --step2:#1d1d25;
  --ink:#f6f3ec; --mut:#bdbab2;
  --gold:#ecc987; --gold-ink:#1b1407; --gold-mut:#4a3a17;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"Hiragino Sans","Noto Sans CJK JP","Noto Sans CJK KR","Noto Sans CJK TC",Arial,sans-serif;
  --gut:clamp(18px,4vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
::selection{background:var(--gold);color:var(--gold-ink)}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:760px}

/* App Store badge: Apple's black lockup, with a gold edge on dark grounds */
.store{display:inline-flex;align-items:center;gap:12px;background:#000;color:#fff;padding:12px 22px 12px 18px;border-radius:14px;text-decoration:none;outline:2px solid rgba(255,255,255,.22);outline-offset:-2px;transition:transform .2s var(--ease),outline-color .2s}
.store:hover{transform:translateY(-2px);outline-color:var(--gold)}
.store:active{transform:scale(.97)}
.store svg{width:26px;height:26px;fill:#fff;flex:0 0 auto}
.store .t{display:flex;flex-direction:column;line-height:1.1}.store .t small{font-size:11px;opacity:.85}.store .t b{font-size:19px;font-weight:600}
.store.nav{padding:8px 15px 8px 12px;border-radius:11px}.store.nav svg{width:19px;height:19px}.store.nav .t small{font-size:8.5px}.store.nav .t b{font-size:14px}
.on-gold .store{outline-color:transparent}

/* Top bar: wordmark, a few links, one action */
.bar{display:flex;align-items:center;gap:clamp(14px,3vw,30px);height:76px}
.bar .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;letter-spacing:-.03em;text-decoration:none}
.bar .brand img{width:32px;height:32px;border-radius:9px}
.bar .grow{flex:1}
.bar .lnk{font-size:15px;font-weight:600;color:var(--mut);text-decoration:none;transition:color .15s}.bar .lnk:hover{color:var(--ink)}

/* Type */
h1,h2{font-weight:800;letter-spacing:-.045em;line-height:.98;text-wrap:balance}
.display{font-size:clamp(52px,10.4vw,150px)}
.h2{font-size:clamp(38px,6.4vw,92px);letter-spacing:-.04em}
.lede{font-size:clamp(18px,1.9vw,23px);line-height:1.5;color:var(--mut);max-width:34em}
.body{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--mut);max-width:30em}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:inherit;font-weight:700;font-size:17px;color:var(--gold-ink);background:var(--gold);border:0;border-radius:999px;padding:15px 26px;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),background .2s}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:scale(.97)}
.btn.dark{background:var(--gold-ink);color:var(--gold)}
.btn.ghost{background:var(--step2);color:var(--ink)}

/* Phone: flat frame around a real screenshot */
.phone{position:relative;width:min(100%,330px);border-radius:46px;background:#26262e;padding:7px;will-change:transform}
.phone img{display:block;width:100%;height:auto;aspect-ratio:1320/2868;border-radius:39px}

/* Hero */
.hero{padding-top:4px;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(20px,4vw,64px);align-items:center;padding:clamp(30px,7vw,96px) 0 clamp(40px,7vw,96px)}
.hero h1{margin-bottom:clamp(20px,3vw,34px)}
.hero .copy{padding-bottom:0}
.hero .cta{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center;margin-top:clamp(26px,3vw,40px)}
.hero .fine{font-size:15px;color:var(--mut)}
.hero .phone{margin:0 auto}

/* Tool field: the live thing on the home page, on a full gold field */
.field-gold{background:var(--gold);color:var(--gold-ink);padding:clamp(56px,8vw,110px) 0}
.field-gold .lede,.field-gold .body{color:var(--gold-mut)}
.field-gold .head{display:grid;grid-template-columns:1.4fr .6fr;gap:clamp(20px,4vw,64px);align-items:end;margin-bottom:clamp(26px,4vw,52px)}
.field-gold .h2{font-size:clamp(36px,5.4vw,80px)}
.tool-more{display:inline-block;margin-top:22px;font-weight:700;font-size:17px;color:var(--gold-ink);text-underline-offset:5px}

/* Section pairs: text and one phone, composition changes every time */
.sec{padding:clamp(70px,11vw,170px) 0;overflow:hidden}
.sec .grid{display:grid;gap:clamp(30px,6vw,110px);align-items:center}
.sec.a .grid{grid-template-columns:1.1fr .9fr}
.sec.b{background:var(--step)}.sec.b .grid{grid-template-columns:.8fr 1.2fr}
.sec.c .grid{grid-template-columns:1fr;gap:0}
.sec.c .row{display:flex;gap:clamp(24px,6vw,100px);align-items:center;justify-content:space-between}
.sec.c .phone{width:min(34vw,330px);flex:0 0 auto;}
.sec.d{background:var(--step)}.sec.d .grid{grid-template-columns:1fr 1fr}
.sec .h2{margin-bottom:clamp(18px,2.4vw,30px)}
.sec.c .h2{font-size:clamp(46px,8.2vw,124px)}
.sec .phone{margin:0 auto}
.sec.b .phone{margin-left:0}

/* Steps, FAQ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,56px);margin-top:clamp(30px,4vw,56px);list-style:none}
.steps li{background:var(--step);border-radius:24px;padding:clamp(22px,3vw,36px)}
.steps b{display:block;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.03em;line-height:1.1;margin-bottom:12px}
.steps p{color:var(--mut);font-size:17px}
.faq{padding:clamp(60px,9vw,130px) 0}
.faq .list{margin-top:clamp(24px,3vw,44px);max-width:900px}
details{background:var(--step);border-radius:20px;margin-bottom:12px;padding:0 clamp(20px,3vw,32px)}
summary{cursor:pointer;font-weight:700;font-size:clamp(18px,1.8vw,22px);padding:22px 0;list-style:none;display:flex;justify-content:space-between;gap:20px;letter-spacing:-.02em}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:28px;line-height:1;color:var(--gold);transition:transform .25s var(--ease)}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 24px;color:var(--mut);font-size:17px;max-width:44em}

/* Explore links */
.explore{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.explore a{display:block;background:var(--step);border-radius:22px;padding:24px 26px;font-weight:700;font-size:clamp(19px,2vw,26px);letter-spacing:-.03em;line-height:1.15;text-decoration:none;transition:background .2s,transform .2s var(--ease)}
.explore a:hover{background:var(--step2);transform:translateY(-3px)}

/* Closing: the name returns at full width */
.close{background:var(--gold);color:var(--gold-ink);padding:clamp(60px,9vw,130px) 0 0;overflow:hidden}
.close .cta{display:flex;flex-wrap:wrap;gap:18px 26px;align-items:center;margin-top:28px}
.close .small{font-size:15px;color:var(--gold-mut)}
.close .name{font-weight:800;letter-spacing:-.06em;line-height:.8;font-size:clamp(90px,25vw,420px);margin:clamp(30px,6vw,80px) 0 -.06em -.04em;white-space:nowrap}
.sitefoot{background:var(--bg);padding:34px 0 52px;font-size:14.5px;color:var(--mut)}
.sitefoot a{color:var(--mut);text-decoration:none}.sitefoot a:hover{color:var(--ink);text-decoration:underline}
.sitefoot .row{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:14px}.sitefoot b{color:var(--ink)}

/* ---------- inner pages (guides, tools, models) ---------- */
.page-hero{padding-bottom:clamp(20px,4vw,50px)}
.page-hero .head{padding:clamp(24px,5vw,70px) 0 0;max-width:1100px}
.crumbs{font-size:14px;color:var(--mut);margin-bottom:22px}.crumbs a{text-decoration:none;color:var(--mut)}.crumbs a:hover{text-decoration:underline}
.page-hero h1{font-size:clamp(36px,6.6vw,92px);letter-spacing:-.045em;line-height:1}
.page-hero .lede{margin-top:clamp(18px,2vw,28px);font-size:clamp(18px,2vw,24px)}
.page-hero .meta{font-size:14px;color:var(--mut);margin-top:18px}
.page-main{padding-bottom:30px}
article{max-width:760px;padding:clamp(30px,4vw,56px) 0 16px}
article.wide{max-width:none}
article h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.035em;line-height:1.08;margin:clamp(38px,5vw,64px) 0 14px}
article h3{font-weight:700;font-size:20px;letter-spacing:-.02em;line-height:1.3;margin:26px 0 8px}
article p,article li{font-size:18px;color:var(--mut);margin-bottom:14px}
article>p:first-child{color:var(--ink);font-size:clamp(19px,2vw,22px)}
article strong{color:var(--ink)}
article a{color:var(--gold);text-underline-offset:4px}
article ul,article ol{padding-left:24px;margin-bottom:16px}article li{margin-bottom:9px}article li::marker{color:var(--gold);font-weight:700}
.note{background:var(--step);border-radius:18px;padding:18px 22px;margin:24px 0}.note p:last-child{margin-bottom:0}
.shots{display:flex;gap:16px;justify-content:center;margin:32px 0}
.shots figure{flex:1 1 0;max-width:270px;margin:0}
.shots img{width:100%;height:auto;border-radius:22px;background:#26262e;padding:5px}
.shots figcaption{font-size:14px;color:var(--mut);text-align:center;margin-top:10px;line-height:1.4}
.till{margin:clamp(44px,6vw,80px) 0 10px;background:var(--gold);color:var(--gold-ink);border-radius:28px;padding:clamp(26px,4vw,48px)}
.till h2{font-size:clamp(28px,4vw,46px);margin:0 0 14px;color:var(--gold-ink)}
.till p{color:var(--gold-mut);font-size:18px;max-width:34em}
.till .cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin-top:22px}.till .cta small{font-size:14px;color:var(--gold-mut)}
.till .cta .store small{color:#fff;font-size:11px}
.close .store .t small{color:#fff}
.till .kick{display:none}
.more{padding:30px 0 10px}.more h2{font-size:26px;margin-bottom:16px}
.cards{display:grid;gap:14px}
.cards a{display:block;text-decoration:none;color:var(--ink);background:var(--step);border-radius:20px;padding:22px 24px;transition:background .2s,transform .2s var(--ease)}
.cards a:hover{background:var(--step2);transform:translateY(-3px)}
.cards b{display:block;font-size:20px;line-height:1.25;letter-spacing:-.02em}.cards span{display:block;color:var(--mut);font-size:15.5px;margin-top:6px}
.cards.models{grid-template-columns:repeat(2,1fr)}
.index{padding:30px 0 20px}
.index .cards{grid-template-columns:repeat(2,1fr)}
.tbl{overflow-x:auto;margin:18px 0 8px}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{padding:12px;border-bottom:1px solid rgba(255,255,255,.12);text-align:left}th{color:var(--ink);font-weight:700;white-space:nowrap}td{color:var(--mut)}

/* Calculator (classic) */
.tool{background:var(--step);border-radius:24px;padding:clamp(18px,3vw,30px);margin:8px 0 26px}
.tabs{display:flex;gap:8px;margin-bottom:18px}
.tabs button{flex:1;font:inherit;font-weight:700;color:var(--mut);background:var(--step2);border:0;border-radius:12px;padding:12px 10px;cursor:pointer;transition:background .2s,color .2s}
.tabs button[aria-selected=true]{color:var(--gold-ink);background:var(--gold)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.tool .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.field{display:flex;flex-direction:column;gap:6px;font-size:14.5px;color:var(--mut)}
.field input,.field select{font:inherit;font-size:17px;color:var(--ink);background:var(--step2);border:0;border-radius:12px;padding:12px 14px;width:100%}
.field select{-webkit-appearance:none;appearance:none;padding-right:44px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1.5 1.5 7 7l5.500-5.500' fill='none' stroke='%23f6f3ec' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;background-size:14px 9px}
.field input[type=number]{-moz-appearance:textfield}
.field input[type=number]::-webkit-outer-spin-button,.field input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.field small{font-size:12.5px;opacity:.8}
.result{margin-top:20px;padding:20px 22px;border-radius:18px;background:var(--gold);color:var(--gold-ink)}
.result .big{font-size:clamp(34px,6vw,54px);font-weight:800;letter-spacing:-.04em;line-height:1}
.result p,.result ul,.result li{color:var(--gold-mut);margin:6px 0 0;font-size:16.5px}
.result ul{padding-left:20px}
.bar2,.result .bar{height:10px;border-radius:10px;background:rgba(27,20,7,.18);margin-top:14px;overflow:hidden}.result .bar i{display:block;height:100%;background:var(--gold-ink);width:0;border-radius:10px;transition:width .6s var(--ease)}
details.vals{margin-top:16px;background:var(--step2)}details.vals summary{font-size:16px;padding:16px 0}details.vals .grid{margin:0 0 18px}

/* ---------- Tool: when does your iPhone fill up ---------- */
.fill{display:grid;grid-template-columns:1fr minmax(280px,.8fr);gap:clamp(20px,4vw,56px);align-items:center}
.fill .inputs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.fill .field{color:inherit}
.on-gold .field{color:var(--gold-mut);font-weight:600}
.on-gold .field input,.on-gold .field select{background-color:var(--gold-ink);color:var(--ink)}
.on-gold .field b{color:var(--gold-ink)}
.on-gold .fill .field input,.on-gold .fill .field select{background-color:var(--gold-ink);color:var(--ink)}
.fill .field.span2{grid-column:1/-1}
.stage{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.gauge{position:relative;width:min(100%,210px);aspect-ratio:1/1.9;border-radius:34px;background:var(--gold-ink);padding:8px;flex:0 0 auto}
.gauge::before{content:"";position:absolute;z-index:2;top:15px;left:50%;width:30%;height:9px;margin-left:-15%;border-radius:9px;background:#000}
.on-gold .gauge{background:var(--gold-ink)}
.gauge .screen{position:relative;width:100%;height:100%;border-radius:27px;background:#17120a;overflow:hidden;padding:34px 12px 14px}
.gauge .level{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:1fr;gap:4px;width:100%;height:100%}
.gauge .level i{border-radius:5px;background:#2b2314;transition:background-color .18s,transform .18s}
.gauge .level i.on{background:#ecc987;transform:scale(1)}
.gauge .level i.on.t1{background:#d9b06a}.gauge .level i.on.t2{background:#f3dba8}.gauge .level i.on.t3{background:#c4944a}
.res-lead{font-size:clamp(16px,1.6vw,19px);font-weight:600}
.res-date{font-weight:800;font-size:clamp(34px,5vw,64px);letter-spacing:-.045em;line-height:1;min-height:1.1em}
.res-days{font-size:clamp(16px,1.6vw,19px)}
.res-rate{font-size:15.5px;max-width:22em;color:inherit;opacity:.85}
.stage .btn{margin-top:4px}
.page-tool{background:var(--gold);color:var(--gold-ink);border-radius:30px;padding:clamp(22px,4vw,52px);margin:10px 0 30px}
.page-tool.on-gold .btn{background:var(--gold-ink);color:var(--gold)}
.page-tool .lede{color:var(--gold-mut)}

/* Tool: video calculator bars */
.vid-inputs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:26px}
.vid-inputs input[type=range]{width:100%;accent-color:var(--gold-ink);height:28px}
.vid-head{font-weight:800;font-size:clamp(26px,4vw,46px);letter-spacing:-.04em;line-height:1.05;margin:4px 0 24px;min-height:2.1em}
.vrows{display:flex;flex-direction:column;gap:16px}
.vrow .top{display:flex;justify-content:space-between;gap:16px;font-weight:700;font-size:17px;margin-bottom:7px}
.vrow .cost{font-weight:600;color:var(--gold-mut);text-align:right;white-space:nowrap}
.vrow .track{height:34px;border-radius:10px;background:rgba(27,20,7,.16);overflow:hidden}
.vrow .track i{display:block;height:100%;width:0;background:var(--gold-ink);border-radius:10px;transition:width .7s var(--ease)}
.vrow.over .track i{background:#7a2e1c}
.vrow small{display:block;color:var(--gold-mut);font-size:13.5px;margin-top:5px}

/* Motion: entrances only when script is on; content is visible without it */
.js .rise{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--i,0) * 80ms)}
.js .rise.in{opacity:1;transform:none}
/* Header menu (below 1100px) and the fixed download dock (phones) */
.bar{position:relative}
.menu{display:none;background:none;border-radius:0;margin:0;padding:0}
.menu summary{list-style:none;cursor:pointer;width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:var(--step2);padding:0;font-size:0;gap:0;justify-content:center;letter-spacing:0}
.menu summary::after,.menu[open] summary::after{content:none}
.menu summary::-webkit-details-marker{display:none}
.menu .ico,.menu .ico::before,.menu .ico::after{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease)}
.menu .ico{position:relative}.menu .ico::before,.menu .ico::after{content:"";position:absolute;left:0}
.menu .ico::before{top:-6px}.menu .ico::after{top:6px}
.menu[open] .ico{background:transparent}.menu[open] .ico::before{top:0;transform:rotate(45deg)}.menu[open] .ico::after{top:0;transform:rotate(-45deg)}
.menu .panel{position:absolute;left:0;right:0;top:calc(100% + 2px);z-index:60;display:flex;flex-direction:column;padding:8px;border-radius:22px;background:var(--step2)}
.menu .panel a{padding:16px 18px;border-radius:14px;font-size:19px;font-weight:650;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.menu .panel a:hover,.menu .panel a:focus-visible{background:var(--step)}
.dock{display:none}
@media(max-width:1100px){.bar .lnk{display:none}.bar .storewrap{margin-left:auto}.menu{display:block}.bar .grow{display:none}}
@media(max-width:860px){
  body{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
  .bar .storewrap{display:none}.bar .brand{margin-right:auto}
  .dock{display:flex;position:fixed;z-index:70;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));align-items:center;gap:12px;padding:10px 10px 10px 12px;border-radius:22px;background:rgba(36,36,44,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
  .dock img{width:44px;height:44px;border-radius:12px;flex:0 0 auto}
  .dock .dt{display:flex;flex-direction:column;min-width:0;flex:1;line-height:1.25}
  .dock .dt b{font-size:16px;letter-spacing:-.02em}
  .dock .dt small{font-size:12.5px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .dock .store.nav{flex:0 0 auto;padding:9px 14px 9px 11px}
  .hero .grid,.sec.a .grid,.sec.b .grid,.sec.d .grid,.field-gold .head,.fill{grid-template-columns:1fr}
  .hero .phone{width:min(70vw,300px);transform:none}
  .sec.b .phone,.sec.a .phone,.sec.d .phone{order:2}
  .sec.c .row{flex-direction:column;align-items:flex-start}
  .sec.c .phone{width:min(62vw,280px);margin:0 auto}
  .steps,.explore,.cards.models,.index .cards{grid-template-columns:1fr}
  .grid2,.tool .grid,.fill .inputs,.vid-inputs{grid-template-columns:1fr 1fr}
  .shots{gap:10px}.shots img{border-radius:16px}
  .gauge{width:150px}
}
@media(max-width:480px){.grid2,.tool .grid,.vid-inputs{grid-template-columns:1fr}.fill .inputs{gap:10px}.fill .field input,.fill .field select{padding:10px 10px;font-size:16px}.gauge{width:120px}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rise{opacity:1;transform:none;transition:none}
  .store,.btn,.explore a,.cards a,.vrow .track i,.result .bar i{transition:none}
}