/* Derila Ergo — localized pages stylesheet (isolated; scoped to body.l10n) */
:root{--bg:#F4F7FB;--deep:#EAEFF6;--panel:#fff;--edge:#D6DDE8;--fog:#5B6A82;--ink:#2E3A50;--head:#1A2538;--accent:#1A7F72;--accent-d:#146659;--warm:#C47F1A;
--font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--font-display:'DM Serif Display',Georgia,serif;--maxw:1120px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.l10n{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.75;-webkit-text-size-adjust:100%}
.l10n img{max-width:100%;height:auto;display:block}
.l10n a{color:var(--accent-d);text-underline-offset:3px}
.l10n a:hover{color:var(--accent)}
.l10n :focus-visible{outline:3px solid var(--warm);outline-offset:2px;border-radius:4px}
.skip{position:absolute;inset-inline-start:-9999px;top:8px;background:var(--head);color:#fff!important;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{inset-inline-start:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(244,247,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--edge)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px}
.logo{font-family:var(--font-display);font-size:1.35rem;color:var(--head)!important;text-decoration:none}
.logo span{color:var(--accent)}
.hdr-r{display:flex;align-items:center;gap:10px}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;background:var(--accent);color:#fff!important;font-weight:600;text-decoration:none;font-size:1rem;line-height:1.3;text-align:center;border:2px solid var(--accent);transition:background .2s}
.btn:hover{background:var(--accent-d);border-color:var(--accent-d)}
.btn-sm{padding:8px 18px;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--accent-d)!important}
.btn-ghost:hover{background:var(--accent);color:#fff!important}
/* language switcher */
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;padding:8px 14px;border:1px solid var(--edge);border-radius:999px;background:var(--panel);font-size:.9rem;color:var(--head)}
.lang summary::-webkit-details-marker{display:none}
.lang ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);margin:0;padding:8px;list-style:none;background:var(--panel);border:1px solid var(--edge);border-radius:14px;box-shadow:0 12px 32px rgba(26,37,56,.14);width:max-content;max-width:86vw;max-height:70vh;overflow:auto;columns:2;column-gap:6px}
.lang li{break-inside:avoid}
.lang li a{display:block;padding:7px 12px;border-radius:8px;text-decoration:none;font-size:.92rem;color:var(--head)}
.lang li a:hover,.lang li a[aria-current]{background:var(--deep);color:var(--accent-d)}
/* hero */
.hero{background:linear-gradient(135deg,#E8F4F0 0%,#F0F6FB 50%,#EBF3F0 100%);padding:56px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-d);border:1px solid rgba(26,127,114,.35);border-radius:999px;padding:5px 14px;margin:0 0 18px}
.l10n h1,.l10n h2,.l10n h3{font-family:var(--font-display);color:var(--head);font-weight:400;line-height:1.2;margin:0}
.l10n h1{font-size:clamp(2rem,4.6vw,3.2rem);margin-bottom:18px}
.l10n h2{font-size:clamp(1.55rem,3vw,2.1rem);margin-bottom:16px}
.l10n h3{font-size:1.2rem;margin-bottom:8px}
.lead{font-size:1.15rem;color:var(--ink);margin:0 0 20px}
.ticks{list-style:none;margin:0 0 26px;padding:0}
.ticks li{padding-inline-start:30px;position:relative;margin-bottom:8px}
.ticks li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--accent);font-weight:700}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero figure{margin:0}
.hero img,.fig img{border-radius:20px;box-shadow:0 18px 44px rgba(26,37,56,.16);width:100%}
.toc{background:var(--panel);border-bottom:1px solid var(--edge)}
.toc ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;margin:0;padding:12px 0}
.toc a{font-size:.92rem;text-decoration:none;color:var(--fog);font-weight:500}
.toc a:hover{color:var(--accent)}
/* sections */
.sec{padding:60px 0}
.sec.alt{background:var(--deep)}
.sec p{margin:0 0 16px;max-width:75ch}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split.rev>.fig{order:-1}
.fig{margin:0}
.fig figcaption{font-size:.85rem;color:var(--fog);margin-top:8px}
.answer{background:var(--panel);border-inline-start:5px solid var(--accent);padding:16px 20px;border-radius:12px;margin:0 0 20px;box-shadow:0 2px 12px rgba(26,37,56,.06)}
.answer p{margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.card{background:var(--panel);border:1px solid var(--edge);border-radius:16px;padding:22px}
.card p{margin:0;font-size:.97rem}
.list{margin:0 0 18px;padding-inline-start:22px}
.list li{margin-bottom:10px}
.steps{list-style:none;counter-reset:s;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{counter-increment:s;background:var(--panel);border:1px solid var(--edge);border-radius:16px;overflow:hidden}
.steps li .tx{padding:16px 18px}
.steps li .tx h3::before{content:counter(s) ". ";color:var(--accent)}
.steps li p{margin:0;font-size:.96rem}
.steps.more{grid-template-columns:repeat(2,1fr)}
.tbl{overflow-x:auto;margin:20px 0}
table.spec{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--edge);border-radius:12px;overflow:hidden}
.spec th,.spec td{padding:12px 16px;text-align:start;border-bottom:1px solid var(--edge);vertical-align:top}
.spec th{width:34%;background:var(--deep);color:var(--head);font-weight:600}
.faq details{background:var(--panel);border:1px solid var(--edge);border-radius:14px;margin-bottom:12px;padding:0 20px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:600;color:var(--head);list-style:none;position:relative;padding-inline-end:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;inset-inline-end:0;top:14px;font-size:1.4rem;color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 18px}
.dl dt{font-weight:600;color:var(--head);margin-top:12px}
.dl dd{margin:2px 0 0}
.notice{background:#FFF8EA;border:1px solid #EBD3A0;border-radius:14px;padding:18px 22px;margin:20px 0}
.notice p{margin:0 0 8px}.notice p:last-child{margin:0}
.cta-box{background:linear-gradient(135deg,#17695F,#1A7F72);color:#fff;border-radius:24px;padding:44px 32px;text-align:center}
.cta-box h2,.cta-box p{color:#fff;margin-inline:auto}
.cta-box .btn{background:#fff;color:var(--accent-d)!important;border-color:#fff}
.cta-box .btn:hover{background:var(--deep)}
.rel{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;margin:16px 0 0;padding:0}
.rel a{display:block;padding:14px 18px;background:var(--panel);border:1px solid var(--edge);border-radius:12px;text-decoration:none;font-weight:500}
.rel a:hover{border-color:var(--accent)}
.crumbs{font-size:.88rem;color:var(--fog);margin:0 0 14px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap}
.crumbs li+li::before{content:"›";margin-inline-end:6px}
.ftr{background:var(--head);color:#C9D2E1;padding:44px 0 28px;font-size:.93rem}
.ftr a{color:#fff}
.ftr ul{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
.ftr p{margin:0 0 10px;max-width:80ch}
@media(max-width:860px){
.hero .wrap,.split{grid-template-columns:1fr}
.split.rev>.fig{order:0}
.grid,.steps{grid-template-columns:1fr}
.steps.more,.rel{grid-template-columns:1fr}
.hero{padding:32px 0 44px}.sec{padding:44px 0}
.lang ul{columns:1}
.hdr .btn-sm{display:none}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
/* per-script typography */
html[lang=ar] body,html[lang=ar] .l10n h1,html[lang=ar] .l10n h2,html[lang=ar] .l10n h3{font-family:'Noto Sans Arabic',system-ui,sans-serif;line-height:1.9}
html[lang=he] body,html[lang=he] .l10n h1,html[lang=he] .l10n h2,html[lang=he] .l10n h3{font-family:'Noto Sans Hebrew',system-ui,sans-serif}
html[lang=hi] body,html[lang=hi] .l10n h1,html[lang=hi] .l10n h2,html[lang=hi] .l10n h3{font-family:'Noto Sans Devanagari',system-ui,sans-serif;line-height:1.85}
html[lang=ta] body,html[lang=ta] .l10n h1,html[lang=ta] .l10n h2,html[lang=ta] .l10n h3{font-family:'Noto Sans Tamil',system-ui,sans-serif;line-height:1.9}
html[lang=te] body,html[lang=te] .l10n h1,html[lang=te] .l10n h2,html[lang=te] .l10n h3{font-family:'Noto Sans Telugu',system-ui,sans-serif;line-height:1.9}
html[lang=th] body,html[lang=th] .l10n h1,html[lang=th] .l10n h2,html[lang=th] .l10n h3{font-family:'Noto Sans Thai',system-ui,sans-serif;line-height:1.85}
html[lang=ja] body,html[lang=ja] .l10n h1,html[lang=ja] .l10n h2,html[lang=ja] .l10n h3{font-family:'Noto Sans JP','Hiragino Sans','Yu Gothic',system-ui,sans-serif;line-height:1.9}
html[lang=zh-CN] body,html[lang=zh-CN] .l10n h1,html[lang=zh-CN] .l10n h2,html[lang=zh-CN] .l10n h3{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;line-height:1.9}
html[lang=ar] .l10n h1,html[lang=he] .l10n h1,html[lang=hi] .l10n h1,html[lang=ta] .l10n h1,html[lang=te] .l10n h1,html[lang=th] .l10n h1,html[lang=ja] .l10n h1,html[lang=zh-CN] .l10n h1{font-weight:700}
html[lang=ar] .l10n h2,html[lang=he] .l10n h2,html[lang=hi] .l10n h2,html[lang=ta] .l10n h2,html[lang=te] .l10n h2,html[lang=th] .l10n h2,html[lang=ja] .l10n h2,html[lang=zh-CN] .l10n h2,html[lang=ar] .l10n h3,html[lang=he] .l10n h3,html[lang=hi] .l10n h3,html[lang=ta] .l10n h3,html[lang=te] .l10n h3,html[lang=th] .l10n h3,html[lang=ja] .l10n h3,html[lang=zh-CN] .l10n h3{font-weight:600}
/* RTL: scoped to Arabic/Hebrew pages only; logical properties above do most of the work */
html[dir=rtl] .l10n .logo{direction:ltr}
html[dir=rtl] .l10n .hero,html[dir=rtl] .l10n .sec{text-align:start}
/* QA fix: let spec-table cells wrap long words on narrow screens instead of forcing inner scroll */
.spec th,.spec td{overflow-wrap:anywhere;word-break:normal}
@media(max-width:560px){.spec th{width:40%}.spec th,.spec td{padding:10px 12px}}