/* Wartatren.biz.id — main stylesheet */
:root{
  --bg:#f6f7fb;--surface:#fff;--surface-2:#f1f3f9;--text:#141729;--muted:#5b6078;--line:#e4e7f0;
  --brand:#4338ca;--brand-2:#7c3aed;
  --pdf:#e11d48;--pdf-soft:#ffe4ea;--img:#0284c7;--img-soft:#e0f2fe;--txt:#059669;--txt-soft:#d6f8ea;
  --radius:16px;--shadow:0 1px 2px rgba(20,23,41,.04),0 12px 32px -14px rgba(20,23,41,.18);--maxw:1160px;
  --c:var(--brand);--c-soft:#e0e7ff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
img{display:block;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:200;border-radius:8px}
.cat-pdf{--c:var(--pdf);--c-soft:var(--pdf-soft)}
.cat-image{--c:var(--img);--c-soft:var(--img-soft)}
.cat-text{--c:var(--txt);--c-soft:var(--txt-soft)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(10px);-webkit-backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.28rem;color:var(--text);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo svg{width:34px;height:34px;flex:none}
.nav-links{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 13px;border-radius:10px;color:var(--text);font-weight:600;font-size:.94rem}
.nav-links a:hover,.nav-links a[aria-current=page]{background:var(--surface-2);text-decoration:none}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:7px;cursor:pointer;color:var(--text)}
@media(max-width:900px){
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;border:0;background:var(--c);color:#fff;font:inherit;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s,opacity .15s;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px -10px var(--c)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-lg{padding:15px 30px;font-size:1.06rem}
.btn-sm{padding:8px 14px;font-size:.9rem;border-radius:10px}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{box-shadow:0 8px 18px -12px rgba(0,0,0,.4)}
.btn small{font-weight:600;opacity:.85}

/* Hero */
.hero{padding:60px 0 36px;background:radial-gradient(1100px 420px at 85% -10%,#e0e7ff 0,transparent 60%),radial-gradient(760px 320px at 0% 0%,#ffe4ea 0,transparent 55%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.1;letter-spacing:-.035em;margin:0 0 18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--brand),var(--pdf));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.15rem;color:var(--muted);max-width:560px;margin:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-cta .btn{--c:var(--brand)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none}
.badges li{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:999px;font-size:.86rem;font-weight:600}
.badges svg{width:16px;height:16px;color:var(--txt)}
.hero-art img{width:100%}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-art{max-width:440px;margin:0 auto}}

/* Sections */
section{padding:48px 0}
.section-head{text-align:center;max-width:700px;margin:0 auto 30px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.25rem);letter-spacing:-.025em;line-height:1.2;margin:0 0 10px}
.section-head p{color:var(--muted);margin:0}
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* Filter tabs */
.tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.tab{border:1px solid var(--line);background:#fff;padding:8px 18px;border-radius:999px;font:inherit;font-weight:600;font-size:.94rem;cursor:pointer;color:var(--text)}
.tab[aria-pressed=true]{background:var(--text);color:#fff;border-color:var(--text)}

/* Tool cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:16px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .18s,box-shadow .18s,border-color .18s;color:var(--text);display:block}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent;text-decoration:none}
.card h3{margin:14px 0 6px;font-size:1.06rem;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.55}
.card[hidden]{display:none}
.icon-tile{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:var(--c-soft);color:var(--c);flex:none}
.icon-tile svg{width:26px;height:26px}
.icon-tile.lg{width:74px;height:74px;border-radius:20px}
.icon-tile.lg svg{width:40px;height:40px}

/* Steps / why */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:h}
.how div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;counter-increment:h;position:relative}
.how div::before{content:counter(h);position:absolute;top:-14px;left:24px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.how h3{margin:8px 0 6px}.how p{margin:0;color:var(--muted)}
@media(max-width:760px){.how{grid-template-columns:1fr;gap:26px}}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.why .item{display:flex;gap:14px;align-items:flex-start}
.why .item .icon-tile{--c:var(--brand);--c-soft:#e0e7ff}
.why h3{margin:0 0 4px;font-size:1.05rem}.why p{margin:0;color:var(--muted);font-size:.94rem}

/* Tool page */
.tool-hero{padding:34px 0 10px;text-align:center}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:18px}
.breadcrumb ol{list-style:none;display:flex;justify-content:center;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:#b4b8cc}
.tool-hero .icon-tile{margin:0 auto 14px}
.tool-hero h1{font-size:clamp(1.9rem,4vw,2.75rem);margin:0 0 10px;letter-spacing:-.03em;line-height:1.15}
.tool-hero .lead{color:var(--muted);font-size:1.08rem;max-width:660px;margin:0 auto}
.tool-box{max-width:900px;margin:28px auto 0;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px;text-align:left}
@media(max-width:600px){.tool-box{padding:18px;border-radius:18px}}
.dropzone{border:2px dashed var(--c);background:var(--c-soft);border-radius:18px;padding:40px 20px;text-align:center;cursor:pointer;transition:background .2s}
.dropzone:focus-visible{outline:3px solid var(--c);outline-offset:3px}
.dropzone.drag{background:#fff}
.dropzone .icon-tile{background:#fff;margin:0 auto 14px}
.dropzone p{margin:12px 0 0;color:var(--muted);font-size:.92rem}
.file-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.file-item{display:flex;align-items:center;gap:10px;background:var(--surface-2);border-radius:12px;padding:9px 10px 9px 14px}
.file-item .fname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;font-size:.93rem}
.file-item .fsize{color:var(--muted);font-size:.84rem;white-space:nowrap}
.file-item button{background:#fff;border:1px solid var(--line);border-radius:8px;width:32px;height:32px;cursor:pointer;color:var(--text);font-size:.95rem;flex:none}
.file-item button:hover{border-color:var(--c);color:var(--c)}
.options{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:22px}
.options:empty{display:none}
.field label,.field .label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px}
.field input[type=text],.field input[type=number],.field input[type=date],.field input[type=password],.field select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--text)}
.field input[type=color]{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:4px;background:#fff}
.field input[type=range]{width:100%;accent-color:var(--c)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--c);outline-offset:0;border-color:var(--c)}
.field small{color:var(--muted);display:block;margin-top:5px;font-size:.82rem;line-height:1.45}
.check{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.92rem;cursor:pointer;margin:4px 0}
.check input{accent-color:var(--c);width:17px;height:17px}
.full{grid-column:1/-1}
.actions{display:flex;justify-content:center;margin-top:24px}
.status{text-align:center;color:var(--muted);margin:12px 0 0;min-height:1.4em;font-size:.93rem}
.result{margin-top:20px;padding:24px;border-radius:16px;background:#f0fdf4;border:1px solid #bbf7d0;text-align:center}
.result.error{background:#fff1f2;border-color:#fecdd3}
.result h3{margin:0 0 6px;font-size:1.2rem}
.result .note{color:#30344d}
.dl-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.size-table{width:100%;border-collapse:collapse;margin:14px 0 4px;font-size:.9rem;text-align:left;background:#fff;border-radius:10px;overflow:hidden}
.size-table th,.size-table td{padding:9px 12px;border-bottom:1px solid var(--line)}
.size-table th{background:var(--surface-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.table-wrap{overflow-x:auto}
.good{color:#047857;font-weight:700}
.privacy-note{display:flex;gap:8px;align-items:center;justify-content:center;font-size:.85rem;color:var(--muted);margin:18px 0 0;text-align:center}
.privacy-note svg{width:16px;height:16px;flex:none;color:var(--txt)}
.spinner{width:18px;height:18px;border:3px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.crop-stage{background:repeating-conic-gradient(#eef0f6 0 25%,#fff 0 50%) 0 0/20px 20px;border-radius:12px;padding:10px;text-align:center}
.crop-stage canvas{max-width:100%;touch-action:none;cursor:crosshair;margin:0 auto;display:block}
.crop-stage p{margin:24px 0;color:var(--muted)}

/* Text tools */
textarea{min-height:200px;resize:vertical;font-size:.98rem;line-height:1.6}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:10px;margin-top:16px}
.stat{background:var(--surface-2);border-radius:12px;padding:14px 10px;text-align:center}
.stat b{display:block;font-size:1.5rem;letter-spacing:-.02em;line-height:1.2}
.stat span{font-size:.8rem;color:var(--muted);font-weight:600}
.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 14px;font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;color:var(--text)}
.chip:hover{border-color:var(--c);color:var(--c)}
.chip.on{background:var(--c);border-color:var(--c);color:#fff}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){.two-col{grid-template-columns:1fr}}
.out-box{background:var(--surface-2);border-radius:12px;padding:16px;word-break:break-all}
.meter{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin-top:8px}
.meter i{display:block;height:100%;width:0;border-radius:99px;transition:width .3s,background .3s}
.pw-out{display:flex;gap:8px;align-items:stretch}
.pw-out input{flex:1;font-size:1.15rem!important;font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.02em}
.qr-wrap{display:grid;grid-template-columns:1fr 300px;gap:22px;align-items:start}
.qr-preview{background:var(--surface-2);border-radius:16px;padding:18px;text-align:center}
.qr-preview canvas{width:100%;max-width:260px;height:auto;margin:0 auto;display:block;border-radius:6px}
@media(max-width:760px){.qr-wrap{grid-template-columns:1fr}}
.kw-table{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:8px}
.kw-table td,.kw-table th{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left}
.msg{padding:12px 14px;border-radius:10px;margin-top:12px;font-size:.93rem}
.msg.ok{background:#f0fdf4;color:#065f46}.msg.bad{background:#fff1f2;color:#9f1239}
.age-out{display:none}.age-out.show{display:block}
.age-big{font-size:clamp(1.4rem,3.5vw,2rem);font-weight:800;text-align:center;margin:18px 0 6px;letter-spacing:-.02em}

/* Article content */
.content{max-width:820px;margin:0 auto}
.content h2{font-size:1.65rem;letter-spacing:-.02em;line-height:1.25;margin:44px 0 12px}
.content h2:first-child{margin-top:0}
.content h3{font-size:1.2rem;margin:26px 0 8px}
.content p,.content li{color:#30344d}
.content ul,.content ol{padding-left:22px}
.content li{margin-bottom:6px}
.content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem;background:#fff}
.content th,.content td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.content th{background:var(--surface-2)}
.content blockquote{margin:20px 0;padding:14px 20px;border-left:4px solid var(--c);background:#fff;border-radius:0 12px 12px 0}
.tip{background:#fff;border:1px solid var(--line);border-left:4px solid var(--c);border-radius:12px;padding:14px 18px;margin:20px 0}
.steps{counter-reset:s;list-style:none;padding:0!important;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding:15px 16px 15px 62px;background:#fff;border:1px solid var(--line);border-radius:14px;margin:0}
.steps li::before{content:counter(s);position:absolute;left:16px;top:13px;width:32px;height:32px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.92rem}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.feature h3{margin:0 0 6px;font-size:1.02rem}
.feature p{margin:0;font-size:.94rem}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:2px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;padding:13px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.35rem;line-height:1;color:var(--muted)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 14px}
.page-hero{padding:46px 0 10px;text-align:center}
.page-hero h1{font-size:clamp(2rem,4vw,2.8rem);letter-spacing:-.03em;margin:0 0 10px;line-height:1.15}
.page-hero p{color:var(--muted);max-width:680px;margin:0 auto;font-size:1.08rem}
.updated{color:var(--muted);font-size:.9rem}

/* Blog */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text);display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}
.post-card img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.post-card .pc{padding:18px 20px 22px}
.post-card h3{margin:6px 0 8px;font-size:1.12rem;line-height:1.35}
.post-card p{margin:0;color:var(--muted);font-size:.93rem}
.post-meta{color:var(--muted);font-size:.86rem}
.post-head{max-width:820px;margin:0 auto;padding:40px 20px 0}
.post-head h1{font-size:clamp(1.9rem,4vw,2.7rem);letter-spacing:-.03em;line-height:1.15;margin:8px 0 12px}
.post-cover{max-width:960px;margin:24px auto 0;padding:0 20px}
.post-cover img{border-radius:20px;width:100%}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 22px;margin:24px 0}
.toc strong{display:block;margin-bottom:6px}
.toc ol{margin:0}

/* Contact */
.form-grid{display:grid;gap:16px;max-width:640px}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:20px 0 30px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;border-radius:24px;padding:42px 28px;text-align:center}
.cta-band h2{margin:0 0 8px;font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.02em}
.cta-band p{margin:0 0 20px;opacity:.9}
.cta-band .btn{background:#fff;color:var(--brand)}

/* Footer */
.site-footer{background:#0f1222;color:#c3c8de;margin-top:56px;padding:56px 0 24px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:28px}
.site-footer .logo{color:#fff;margin-bottom:12px}
.logo .tld{color:#4338ca;font-weight:700}
.site-footer .logo .tld{color:#a5b4fc}
.site-footer h4{color:#fff;margin:0 0 12px;font-size:.95rem}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:7px}
.site-footer a{color:#c3c8de}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #262a40;margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.86rem}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}

/* Cookie notice */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:600px;margin:0 auto;background:#141729;color:#fff;border-radius:14px;padding:14px 16px;display:flex;gap:14px;align-items:center;z-index:100;box-shadow:0 20px 40px -10px rgba(0,0,0,.45);font-size:.9rem;line-height:1.5}
.cookie a{color:#a5b4fc}
.cookie .btn{--c:#6366f1;flex:none}
.cookie[hidden]{display:none}
@media(max-width:520px){.cookie{flex-direction:column;align-items:stretch}}

[hidden]{display:none!important}

/* percentage calculator */
.pct-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;font-weight:700}
.pct-row input,.pct-row select{width:130px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:600;background:#fff;color:var(--text)}
.pct-row select{width:auto}
.pct-res{margin-left:auto;font-size:1.3rem;font-weight:800;color:var(--c);letter-spacing:-.01em}
.pct-work{flex-basis:100%;color:var(--muted);font-weight:500;font-size:.85rem;min-height:1em}
@media (max-width:560px){.pct-row{gap:8px}.pct-row input{width:auto;flex:1 1 80px;min-width:0}.pct-res{margin-left:0;flex-basis:100%}}

/* author */
.author-box{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:36px 0 8px}
.author-box p{margin:0 0 6px}
.avatar{flex:none;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#4338ca,#e11d48);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.1rem;letter-spacing:.02em}
.avatar.lg{width:96px;height:96px;font-size:1.9rem}
.author-head{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.author-head h1{margin-bottom:4px}
.author-links{display:flex;gap:10px;flex-wrap:wrap}
.content code{background:var(--surface-2);padding:1px 6px;border-radius:6px;font-size:.92em}
.content code{overflow-wrap:anywhere}
@media (max-width:640px){.content table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}}
.page-hero .author-head{justify-content:center;text-align:left}.page-hero .author-head p{margin:0}