/* ConvertKettle – shared site styles. Brand colours come from the logo. */
:root{
  --navy:#000080; --ink:#1c2473; --cyan:#00adee;
  --bg:#f6f8fc; --card:#ffffff; --text:#0f172a; --muted:#5b6475; --line:#e2e7f0;
  --brand:var(--navy); --brand-dark:#00005c; --brand-soft:#e9f8fe;
  --ok:#15803d; --err:#dc2626; --warn:#b45309;
  --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);line-height:1.6;
  /* soft brand-coloured glow behind every page */
  background:radial-gradient(900px 520px at 100% -8%,rgba(0,173,238,.10),transparent 62%),
             radial-gradient(760px 520px at -8% 6%,rgba(0,0,128,.06),transparent 62%),var(--bg);
  background-repeat:no-repeat}
a{color:var(--navy)}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
main.wrap>article{max-width:880px;margin-left:auto;margin-right:auto}
.wrap-wide{max-width:1360px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{background:rgba(255,255,255,.94);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.site-header .wrap-wide{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo{display:inline-flex;align-items:center;flex-shrink:0}
.logo img{display:block;height:46px;width:auto}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav>a,.more-btn{color:var(--ink);text-decoration:none;font:inherit;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;padding:10px 14px;border-radius:10px;white-space:nowrap;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.main-nav>a:hover,.more-btn:hover,.more.open .more-btn{color:var(--navy);background:var(--brand-soft)}
.main-nav>a:focus-visible,.more-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.more{position:relative}
.nav-m{display:none}
.more-btn svg{transition:transform .15s}
.more.open .more-btn svg{transform:rotate(180deg)}
.mega{display:none;position:absolute;right:0;top:calc(100% + 12px);background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;grid-template-columns:repeat(4,minmax(180px,1fr));gap:6px 24px;width:max-content;max-width:calc(100vw - 32px);box-shadow:0 24px 60px rgba(15,23,42,.14)}
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}   /* keeps hover alive across the gap */
.more.open .mega{display:grid}
@media (hover:hover) and (min-width:721px){ .more:hover .mega{display:grid} .more:hover .more-btn svg{transform:rotate(180deg)} }
.mega h4{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.mega-col{display:flex;flex-direction:column;gap:2px}
.mega-col a{display:flex;align-items:center;gap:10px;padding:7px 8px;margin:0 -8px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}
.mega-col a:hover{background:var(--brand-soft)}
.mega-all{grid-column:1/-1;margin-top:10px;padding-top:12px;border-top:1px solid var(--line);font-size:14px;font-weight:700;text-decoration:none}

/* Hero */
.hero{text-align:center;padding:44px 0 28px;position:relative}
.hero>*{position:relative}
.hero::before{content:"";position:absolute;inset:0 -40px;pointer-events:none;
  background-image:radial-gradient(rgba(28,36,115,.12) 1.2px,transparent 1.6px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse 60% 80% at 50% 45%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse 60% 80% at 50% 45%,#000 10%,transparent 70%)}
h1{font-size:clamp(28px,5vw,42px);margin:0 0 8px;letter-spacing:-.8px;line-height:1.15;color:var(--ink)}
.sub{color:var(--muted);font-size:17px;margin:0 auto;max-width:580px}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.badge{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px;color:var(--muted)}

/* Tool box */
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 4px 24px rgba(15,23,42,.05)}
.drop{border:2px dashed #b8c4dc;border-radius:12px;padding:40px 16px;text-align:center;cursor:pointer;transition:.15s;background:#fbfcff}
.drop:hover,.drop.over{border-color:var(--cyan);background:var(--brand-soft)}
.drop svg{width:48px;height:48px;color:var(--cyan)}
.drop strong{display:block;font-size:18px;margin:8px 0 4px;color:var(--ink)}
.drop small{color:var(--muted)}
.drop .btn{margin-top:14px}
.has-files .drop{padding:16px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.has-files .drop svg,.has-files .drop small,.has-files .drop br{display:none}
.has-files .drop strong{font-size:15px;margin:0;font-weight:600}
.has-files .drop .btn{margin:0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:10px;padding:11px 20px;font-size:15px;font-weight:600;cursor:pointer;transition:.15s;font-family:inherit;text-decoration:none;line-height:1.2}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-accent{background:var(--cyan);color:#00184d}
.btn-accent:hover{background:#0099d6}
.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-lg{padding:14px 28px;font-size:17px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{border:1px solid var(--line);background:var(--card);border-radius:8px;width:32px;height:32px;display:inline-grid;place-items:center;cursor:pointer;color:var(--muted);font-size:16px;line-height:1;padding:0;flex-shrink:0}
.icon-btn:hover{color:var(--err);border-color:var(--err)}

/* Options panel */
.options{display:none;margin-top:18px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.has-files .options{display:grid;gap:14px}
.opt-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.opt-label{font-size:14px;font-weight:600;color:var(--ink);min-width:110px}
.field{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.field input[type=number],.field input[type=text],.field select{font:inherit;font-size:15px;color:var(--text);padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);min-width:0}
.field input[type=number]{width:100px}
.field input[type=range]{accent-color:var(--navy);width:150px}
.field b{color:var(--text);min-width:40px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card)}
.seg label{cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 14px;font-size:14px;font-weight:500;color:var(--muted);border-left:1px solid var(--line)}
.seg label:first-child span{border-left:0}
.seg input:checked+span{background:var(--navy);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--cyan);outline-offset:-2px}
.hint{font-size:13px;color:var(--muted);margin:0}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 12px;cursor:pointer;color:var(--ink)}
.chip:hover,.chip.on{border-color:var(--cyan);background:var(--brand-soft)}
[hidden]{display:none!important}

.actions{display:none;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:16px}
.has-files .actions{display:flex}
.actions .grp{display:flex;gap:8px;flex-wrap:wrap}
.summary{font-size:14px;color:var(--muted)}
.summary b{color:var(--ok)}

/* File list */
.list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px;background:var(--card)}
.thumb{width:56px;height:56px;border-radius:8px;background:var(--bg) center/cover no-repeat;flex-shrink:0;display:grid;place-items:center;color:var(--muted);font-size:11px;font-weight:700}
.meta{flex:1;min-width:0}
.name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.status{font-size:13px;color:var(--muted)}
.status.ok{color:var(--ok)} .status.err{color:var(--err)} .status.warn{color:var(--warn)}
.item .btn{padding:8px 14px;font-size:14px}
.spinner{width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--cyan);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Page grid (JPG to PDF) */
.pages{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.page{border:1px solid var(--line);border-radius:12px;padding:8px;background:var(--card);display:flex;flex-direction:column;gap:6px}
.page .pv{aspect-ratio:3/4;background:var(--bg) center/contain no-repeat;border-radius:6px;position:relative;display:grid;place-items:center}
.page .pi{font-size:12px;color:var(--muted);margin-top:-6px}
.page.err .pi{color:var(--err)}
.page .pv i{position:absolute;top:6px;left:6px;background:var(--navy);color:#fff;font-style:normal;font-size:12px;font-weight:700;border-radius:6px;padding:1px 7px}
.page .pn{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
.page .pc{display:flex;gap:4px;justify-content:space-between}
.page .icon-btn{width:30px;height:30px;font-size:14px}
.page .icon-btn.mv:hover{color:var(--navy);border-color:var(--navy)}
.page.err{border-color:var(--err)}

.result{margin-top:16px;padding:16px;border-radius:12px;background:#ecfdf3;border:1px solid #bbf7d0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.result strong{display:block;color:var(--ok)}
.result span{font-size:14px;color:var(--muted)}

/* Photo editor (passport photo) */
.editor{display:none;margin-top:18px;gap:24px;grid-template-columns:minmax(0,360px) 1fr;align-items:start}
.has-files .editor{display:grid}
.stage-wrap{text-align:center}
#stage{width:100%;max-width:360px;aspect-ratio:1;border-radius:4px;box-shadow:0 0 0 1px var(--line),0 6px 24px rgba(15,23,42,.12);touch-action:none;cursor:grab;background:#fff}
#stage:active{cursor:grabbing}
#stage:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
.stage-wrap .hint{margin-top:8px}
.ed-side{display:grid;gap:14px}
.ed-tips{margin:0;padding-left:20px;font-size:14px;color:#334155}
.ed-field{justify-content:space-between}
.ed-field input{flex:1;max-width:220px}
.ed-btns{display:grid;gap:8px}

/* Crop & Rotate */
.crop-ui{display:none;margin-top:18px}
.has-files .crop-ui{display:block}
.crop-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.crop-bar .btn{padding:8px 14px;font-size:14px}
.crop-stage{display:flex;justify-content:center;background:repeating-conic-gradient(#eef1f6 0 25%,#fff 0 50%) 0 0/20px 20px;border-radius:12px;padding:8px}
#crop{display:block;touch-action:none;max-width:100%}
.seg-wrap{flex-wrap:wrap}
.seg-wrap label{border-bottom:1px solid var(--line);margin-bottom:-1px}

.privacy{display:flex;align-items:center;gap:8px;justify-content:center;font-size:13px;color:var(--muted);margin-top:14px;text-align:center}

/* Toast (replaces alert()) */
.toast-box{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:50;display:grid;gap:8px;width:min(92vw,420px)}
.toast{background:var(--ink);color:#fff;padding:12px 16px;border-radius:12px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.2);animation:tin .2s ease-out}
.toast.err{background:#991b1b}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}

/* Ad slots: kept well away from buttons (AdSense policy). Hidden until AdSense is live. */
.ad-slot{margin:32px 0;min-height:100px;display:none}
.ads-on .ad-slot{display:block}

/* Article content */
article{margin:16px 0 40px}
article h2,.related h2{font-size:24px;margin:36px 0 10px;letter-spacing:-.4px;color:var(--ink)}
article h3{font-size:17px;margin:20px 0 4px;color:var(--ink)}
article p,article li{color:#334155}
article table{border-collapse:collapse;width:100%;font-size:14px;background:var(--card)}
article th,article td{border:1px solid var(--line);padding:8px 10px;text-align:left}
article th{background:var(--bg)}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:12px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 14px 14px 56px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:grid;place-items:center;font-size:14px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
summary{font-weight:600;cursor:pointer;color:var(--ink)}
details p{margin:8px 0 0}

/* Plain content pages (about, privacy…) */
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px clamp(16px,4vw,40px);margin:8px 0 48px}
.prose h1{font-size:clamp(26px,4vw,34px)}
.prose h2{font-size:20px;margin:28px 0 8px;color:var(--ink)}
.prose p,.prose li{color:#334155}
.prose .updated{color:var(--muted);font-size:14px}

/* Homepage hero */
.home-hero{position:relative;overflow:hidden;padding:72px 0 40px;text-align:center;background:linear-gradient(180deg,#eaf7fd 0%,rgba(246,248,252,0) 100%)}
.home-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(28,36,115,.13) 1.2px,transparent 1.6px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 20%,transparent 75%)}
.hero-inner{position:relative;z-index:1}
.crumbs{display:flex;justify-content:center;gap:8px;font-size:13px;color:var(--muted);margin:0 0 12px}
.prose .crumbs{justify-content:flex-start}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--navy);text-decoration:underline}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 16px;margin:0 0 18px}
.home-hero h1{font-size:clamp(32px,5.4vw,60px);letter-spacing:-1.6px;line-height:1.08;max-width:920px;margin:0 auto 16px}
.hl{background:linear-gradient(90deg,var(--navy) 10%,var(--cyan) 90%);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative;white-space:nowrap}
.hl::after{content:"";position:absolute;left:4%;right:4%;bottom:-.08em;height:.14em;border-radius:99px;background:linear-gradient(90deg,rgba(0,0,128,.25),rgba(0,173,238,.45))}
.home-hero .sub{font-size:19px;max-width:660px}
.deco{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:42% 58% 63% 37% / 41% 44% 56% 59%}
.b1{width:460px;height:420px;left:-160px;top:-170px;background:rgba(0,173,238,.13)}
.b2{width:560px;height:520px;right:-220px;top:-120px;background:rgba(0,0,128,.06);border-radius:58% 42% 37% 63% / 54% 61% 39% 46%}
.b3{width:260px;height:240px;right:12%;bottom:-170px;background:rgba(0,173,238,.10)}
.chip{position:absolute;display:flex;align-items:center;gap:7px;font-weight:800;font-size:13px;letter-spacing:.3px;padding:9px 13px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--ink);
  box-shadow:0 10px 30px rgba(28,36,115,.08);transform:rotate(var(--r,0deg));animation:float 7s ease-in-out infinite}
.chip::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--c)}
.c1{left:7%;top:30%;--c:#ca8a04;--r:-8deg}
.c2{left:13%;top:68%;--c:#dc2626;--r:6deg;animation-delay:-2s}
.c3{right:8%;top:28%;--c:#0891b2;--r:7deg;animation-delay:-4s}
.c4{right:14%;top:70%;--c:#7c3aed;--r:-5deg;animation-delay:-1s}
.c5{left:22%;top:10%;--c:#ea580c;--r:4deg;animation-delay:-3s}
.c6{right:24%;top:8%;--c:#16a34a;--r:-6deg;animation-delay:-5s}
@keyframes float{50%{transform:translateY(-12px) rotate(var(--r,0deg))}}
@media (prefers-reduced-motion:reduce){.chip{animation:none}}

/* Filter tabs */
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}
.tab{font:inherit;font-size:15px;font-weight:600;padding:9px 22px;border-radius:999px;border:1px solid #cdd6e6;background:#fff;color:var(--ink);cursor:pointer;transition:background-color .15s,border-color .15s}
.tab:hover{border-color:var(--cyan);background:var(--brand-soft)}
.tab.on{background:var(--ink);border-color:var(--ink);color:#fff}
.tab:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* Tool cards */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:8px 0 48px}
.home-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin:16px 0 72px}
.tcard{position:relative;display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 26px 26px;text-decoration:none;color:var(--text);transition:background-color .15s,border-color .15s}
a.tcard:hover{background:#eff9fe;border-color:#a8e2f8}
.tcard[hidden]{display:none}
.ticon{display:inline-grid;place-items:center;min-width:48px;height:48px;padding:0 6px;border-radius:11px;background:var(--c);color:#fff;font-size:13px;font-weight:800;letter-spacing:.3px;line-height:1}
.ticon-img{min-width:0;width:48px;height:48px;padding:0;background:none;object-fit:contain}
.ticon-sm{min-width:30px;height:30px;padding:0 4px;border-radius:8px;font-size:10px;flex-shrink:0}
.ticon-sm.ticon-img{width:30px;height:30px}
.tcard strong{display:block;font-size:19px;margin:18px 0 6px;color:var(--ink);letter-spacing:-.2px}
.tcard small{color:var(--muted);font-size:14px;line-height:1.55;display:block}
.tcard .new{position:absolute;top:14px;right:14px;font-style:normal;font-size:12px;font-weight:700;background:#fff3cf;color:#7a4f00;border-radius:6px;padding:2px 8px}
.related .tools-grid{margin-bottom:40px}

/* Homepage "why" section */
.why{background:#fff;border-top:1px solid var(--line);padding:60px 0 68px;position:relative;overflow:hidden}
.why::before{content:"";position:absolute;width:420px;height:380px;left:-180px;bottom:-200px;border-radius:42% 58% 63% 37% / 41% 44% 56% 59%;background:rgba(0,173,238,.08)}
.why h2{text-align:center;font-size:clamp(24px,3vw,32px);letter-spacing:-.6px;color:var(--ink);margin:0 0 32px;position:relative}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;position:relative}
.why-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:26px}
.why-card h3{font-size:18px;margin:16px 0 6px;color:var(--ink)}
.why-card p{margin:0;color:#334155;font-size:15px}
.why-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--brand-soft);color:var(--navy)}
.why-icon svg{width:24px;height:24px}

/* Homepage long-form text */
.home-seo{padding:20px 0 56px}
.home-seo article{max-width:880px;margin:0 auto}
.home-seo li{margin-bottom:6px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--card);padding:44px 0 22px;font-size:14px;color:var(--muted)}
.foot-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.foot-brand img{height:40px;width:auto}
.foot-cols h4{margin:0 0 10px;color:var(--ink);font-size:14px;text-transform:uppercase;letter-spacing:.5px}
.foot-cols a{display:block;color:var(--muted);text-decoration:none;padding:3px 0}
.foot-cols a:hover{color:var(--navy)}
.foot-cols p{margin:10px 0 0;max-width:320px}
.copy{border-top:1px solid var(--line);margin:28px 0 0;padding-top:18px;text-align:center}

@media (max-width:1100px){
  .chip.c5,.chip.c6{display:none}
  .main-nav>a,.more-btn{padding:10px 10px;font-size:13px}
}
@media (max-width:900px){
  .chip{display:none}
}
@media (max-width:720px){
  .main-nav .nav-x{display:none}
  .main-nav .nav-m{display:inline}
  .site-header .wrap-wide{height:66px}
  .logo img{height:38px}
  .wrap-wide{padding:0 16px}
  .mega{position:fixed;left:16px;right:16px;top:74px;width:auto;grid-template-columns:1fr 1fr;max-height:calc(100vh - 96px);overflow:auto}
  .foot-cols{grid-template-columns:1fr 1fr}
  .foot-cols>div:first-child{grid-column:1/-1}
  .home-hero{padding:44px 0 28px}
}
@media (max-width:560px){
  .item{flex-wrap:wrap}
  .item .btn{flex:1}
  .opt-label{min-width:0;width:100%}
  .actions,.actions .grp{width:100%}
  .actions .btn{flex:1}
  .tools-grid,.home-grid{grid-template-columns:1fr 1fr;gap:10px}
  .tcard{padding:16px 14px}
  .tcard strong{font-size:16px;margin-top:12px}
  .tcard small{font-size:13px}
  .ticon{min-width:40px;height:40px}
  .tab{padding:8px 16px;font-size:14px}
  .home-hero .sub{font-size:17px}
  .hl{white-space:normal}
  .seg span{padding:8px 10px}
  .editor{grid-template-columns:1fr}
  #stage{max-width:100%}
}