:root{--bg:#f7f3e8;--surface:#fffdf6;--ink:#132f2e;--muted:#63706e;--brand:#0f3d3e;--brand-2:#1f6f69;--gold:#d7b56d;--line:#d8d0bf;--danger:#9b2c2c;--ok:#176b45;--shadow:0 24px 80px rgba(15,61,62,.14);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}.wrap{width:min(1120px,calc(100% - 32px));margin-inline:auto}.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px}.skip:focus{left:8px;z-index:10}.site-header{position:sticky;top:0;z-index:5;background:rgba(247,243,232,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(19,47,46,.1)}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:900;font-size:1.2rem;letter-spacing:-.03em}.brand span span{color:var(--brand-2)}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--brand);color:var(--gold);box-shadow:0 10px 24px rgba(15,61,62,.18)}.nav-links{display:flex;gap:4px;align-items:center}.nav-links a{color:var(--ink);text-decoration:none;font-weight:750;padding:10px 12px;border-radius:999px}.nav-links a:hover{background:rgba(15,61,62,.08)}.menu-button{display:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 14px;font-weight:800}.hero{padding:74px 0 46px;background:radial-gradient(circle at 80% 10%,rgba(31,111,105,.18),transparent 35%),linear-gradient(180deg,#fffdf6 0%,var(--bg) 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.72fr);gap:42px;align-items:center}.eyebrow{display:inline-flex;font-weight:900;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;color:var(--brand-2);margin-bottom:12px}h1,h2,h3{line-height:1.05;letter-spacing:-.05em;margin:0 0 16px}h1{font-size:clamp(2.8rem,8vw,6.6rem)}h2{font-size:clamp(2rem,5vw,3.7rem)}h3{font-size:1.3rem}.lead{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--muted);max-width:720px}.actions,.trust-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(15,61,62,.18);padding:13px 18px;border-radius:999px;text-decoration:none;color:var(--ink);font-weight:900;background:var(--surface);box-shadow:0 10px 24px rgba(19,47,46,.08);cursor:pointer}.button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.button:hover{transform:translateY(-1px)}.trust-row span{background:rgba(15,61,62,.08);border:1px solid rgba(15,61,62,.08);padding:8px 12px;border-radius:999px;font-weight:800;color:var(--brand)}.hero-panel,.tool-shell{background:var(--surface);border:1px solid rgba(15,61,62,.12);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.zip-visual{height:290px;border-radius:22px;background:linear-gradient(145deg,var(--brand),#082829);position:relative;overflow:hidden;display:grid;place-items:center;color:var(--gold);font-weight:1000;font-size:5rem;letter-spacing:-.08em}.zip-visual div{position:absolute;width:72px;height:72px;border-radius:16px;background:#f7f3e8}.zip-visual div:nth-child(2){top:34px;left:42px}.zip-visual div:nth-child(3){right:48px;top:92px}.zip-visual div:nth-child(4){left:86px;bottom:48px}.section{padding:58px 0}.section.alt{background:#efe8d7}.section-head{max-width:780px;margin-bottom:24px}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.cards.compact{grid-template-columns:repeat(4,minmax(0,1fr))}.card{display:block;background:var(--surface);color:var(--ink);text-decoration:none;border:1px solid rgba(15,61,62,.1);border-radius:22px;padding:22px;min-height:190px;box-shadow:0 12px 28px rgba(19,47,46,.06)}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.pill{display:inline-flex;background:rgba(215,181,109,.22);color:#6a4f10;border:1px solid rgba(215,181,109,.35);border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:900;margin-bottom:16px}.center{text-align:center;margin-top:26px}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}.checklist{display:grid;gap:12px}.checklist p{background:var(--surface);border:1px solid rgba(15,61,62,.1);padding:16px 18px;border-radius:16px;margin:0;font-weight:850}.page-hero{padding:64px 0 22px}.prose{max-width:820px}.prose p,.prose li{font-size:1.05rem;color:#3e4b49}.prose a{color:var(--brand-2);font-weight:850}.dropzone{position:relative;border:2px dashed rgba(15,61,62,.32);background:#fbf8ef;border-radius:22px;min-height:150px;display:grid;place-items:center;text-align:center;padding:24px;margin-bottom:18px}.dropzone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone strong{font-size:1.35rem}.dropzone span{color:var(--muted)}.tool-output{margin-top:18px;background:#f8f2e5;border:1px solid rgba(15,61,62,.1);border-radius:18px;padding:18px;overflow:auto}.muted{color:var(--muted)}label{display:grid;gap:8px;font-weight:850;margin-bottom:14px}input,select{width:100%;font:inherit;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;color:var(--ink)}.form-grid{display:grid;grid-template-columns:1.2fr .8fr .6fr;gap:14px}.file-list{width:100%;border-collapse:collapse}.file-list th,.file-list td{text-align:left;border-bottom:1px solid rgba(15,61,62,.12);padding:10px;vertical-align:top}.status-ok{color:var(--ok);font-weight:900}.status-bad{color:var(--danger);font-weight:900}.footer{background:#0d302f;color:#f7f3e8;margin-top:40px;padding:46px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}.footer a{display:block;color:#f7f3e8;text-decoration:none;margin:8px 0;opacity:.86}.fineprint{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:16px;color:rgba(247,243,232,.76);font-size:.94rem}@media(max-width:850px){.menu-button{display:inline-flex}.nav-links{position:absolute;left:16px;right:16px;top:70px;display:none;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{border-radius:12px}.hero-grid,.split,.footer-grid{grid-template-columns:1fr}.cards,.cards.compact{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.hero{padding-top:46px}.zip-visual{height:220px}h1{font-size:clamp(2.55rem,15vw,4rem)}}
/* v1.1 trust and SEO expansion polish */
.brand-mark{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:1000}.process{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.process div{background:#fbf8ef;border:1px solid rgba(15,61,62,.12);border-radius:16px;padding:12px;display:grid;gap:4px}.process b{display:grid;place-items:center;width:28px;height:28px;border-radius:999px;background:var(--brand);color:#fff}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px;align-items:start}.trust-panel{background:#0f3d3e;color:#f7f3e8;border-radius:22px;padding:20px;box-shadow:0 16px 40px rgba(15,61,62,.18)}.trust-panel strong{display:block;font-size:1.05rem;margin-bottom:10px}.trust-panel ul{margin:0;padding-left:20px}.trust-panel li{margin:8px 0}.tool-actions{display:flex;gap:10px;flex-wrap:wrap}.compact-card{min-height:170px}.compact-card h3{font-size:1.15rem}.footer-badge{display:inline-flex;border:1px solid rgba(247,243,232,.25);border-radius:999px;padding:6px 10px;font-weight:900;color:#d7b56d}.card h3{overflow-wrap:anywhere}.dropzone.dragover{background:#f3ead4;border-color:var(--brand);box-shadow:inset 0 0 0 4px rgba(15,61,62,.06)}.file-list button{white-space:nowrap}@media(max-width:900px){.tool-layout,.process{grid-template-columns:1fr}.trust-panel{order:-1}.hero-panel{padding:18px}.tool-shell{padding:18px}.page-hero{padding-top:44px}.section{padding:42px 0}.file-list{font-size:.9rem}.file-list th:nth-child(2),.file-list td:nth-child(2){display:none}}

/* v1.2 upgrades */
.table-wrap{overflow:auto;border-radius:18px;border:1px solid rgba(18,64,66,.14);background:#fff}
.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table th,.compare-table td{padding:1rem;border-bottom:1px solid rgba(18,64,66,.12);text-align:left;vertical-align:top}
.compare-table th{background:#eef8f3;color:#123f41}
.check-stack{display:grid;gap:.85rem;margin:1rem 0}
.check-stack label{display:flex;gap:.65rem;align-items:flex-start;padding:1rem;border:1px solid rgba(18,64,66,.14);border-radius:16px;background:#fff}
.hash-box{width:100%;min-height:92px;border:1px solid rgba(18,64,66,.2);border-radius:14px;padding:1rem;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all;background:#f8fbf8;color:#112}
.footer a{display:block;margin:.4rem 0}
@media (max-width:720px){.compare-table{min-width:560px}.hash-box{font-size:.85rem}}

/* v1.3.1 file type directory fix */
.directory-summary{display:flex;justify-content:space-between;gap:1rem;align-items:center;background:var(--surface);border:1px solid rgba(15,61,62,.12);border-radius:18px;padding:1rem 1.1rem;margin-bottom:1rem;box-shadow:0 10px 24px rgba(19,47,46,.05)}
.directory-summary span{color:var(--muted)}
.directory-table td:first-child a{color:var(--brand-2);text-decoration:none}
.directory-table td:first-child{white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
@media(max-width:720px){.directory-summary{align-items:flex-start;flex-direction:column}.directory-table{min-width:760px}}
.language-switcher{display:flex;gap:.45rem;align-items:center;flex-wrap:wrap;margin-left:auto;font-size:.82rem}
.language-switcher span{color:var(--muted);font-weight:800}
.language-switcher a{padding:.32rem .55rem;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);text-decoration:none;color:var(--ink);font-weight:800}
[dir="rtl"] .nav,[dir="rtl"] .hero-grid,[dir="rtl"] .split,[dir="rtl"] .footer-grid{text-align:right}
[dir="rtl"] .language-switcher{margin-right:auto;margin-left:0}
@media (max-width:820px){.language-switcher{width:100%;margin-left:0;padding-top:.5rem}}

/* v1.4.1 clean main menu: Home + Language dropdown only */
.nav-links.nav-minimal{display:flex;gap:.65rem;align-items:center;margin-left:auto;position:static;background:transparent;border:0;box-shadow:none;padding:0}
.nav-links.nav-minimal a,.language-dropdown summary{color:var(--ink);text-decoration:none;font-weight:850;padding:10px 13px;border-radius:999px;cursor:pointer;list-style:none}
.language-dropdown summary::-webkit-details-marker{display:none}
.nav-links.nav-minimal a:hover,.language-dropdown summary:hover{background:rgba(15,61,62,.08)}
.language-dropdown{position:relative}
.language-menu{display:none;position:absolute;right:0;top:calc(100% + 10px);min-width:190px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:var(--shadow);z-index:20}
.language-dropdown[open] .language-menu{display:grid;gap:2px}
.language-menu a{display:block;border-radius:12px;white-space:nowrap}
[dir="rtl"] .nav-links.nav-minimal{margin-left:0;margin-right:auto}
[dir="rtl"] .language-menu{right:auto;left:0;text-align:right}
@media(max-width:850px){.menu-button{display:none!important}.nav-links.nav-minimal{display:flex!important;position:static!important;flex-direction:row!important;align-items:center!important;left:auto!important;right:auto!important;top:auto!important;background:transparent!important;border:0!important;box-shadow:none!important;padding:0!important}.nav-links.nav-minimal .home-link{padding:9px 11px}.language-dropdown summary{padding:9px 11px}.language-menu{right:0;left:auto}}

/* v1.8.0 SEO discovery pages */
.link-cloud{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem}
.link-cloud a{display:inline-flex;align-items:center;border:1px solid rgba(15,61,62,.16);background:rgba(255,255,255,.74);border-radius:999px;padding:.62rem .9rem;font-weight:700;text-decoration:none;color:var(--ink)}
.link-cloud a:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,61,62,.10)}


/* v1.9.0 SEO + discoverability UX */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-search{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.7rem;margin:1.1rem 0 0;max-width:680px}
.site-search input{background:#fff;border:2px solid rgba(15,61,62,.18);box-shadow:0 10px 24px rgba(15,61,62,.06)}
.quick-links{display:flex;gap:.7rem;flex-wrap:wrap;margin:.8rem 0 0}.quick-links a{font-weight:850;color:var(--brand-2);text-decoration:none;border-bottom:2px solid rgba(15,61,62,.16)}
.capability-panel{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:1rem;background:var(--surface);border:1px solid rgba(15,61,62,.12);border-radius:24px;padding:1.25rem;box-shadow:0 12px 28px rgba(19,47,46,.06)}
.capability-panel h2,.capability-panel h3{margin-top:0}.capability-panel ul{margin:.5rem 0 0;padding-left:1.2rem}.capability-panel li{margin:.42rem 0;color:#32413f}.tool-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.faq-block{background:#fbf8ef;border:1px solid rgba(15,61,62,.12);border-radius:18px;padding:1rem;margin-top:1rem}
@media(max-width:850px){.site-search{grid-template-columns:1fr}.capability-panel,.tool-map{grid-template-columns:1fr}}


/* v1.9.1 professional language dropdown */
.language-dropdown-pro summary{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(15,61,62,.12);background:rgba(255,253,246,.88);box-shadow:0 8px 22px rgba(15,61,62,.08)}
.language-dropdown-pro[open] summary{background:#fff;border-color:rgba(31,111,105,.3);box-shadow:0 14px 32px rgba(15,61,62,.12)}
.lang-current{font-weight:900}.lang-code{display:inline-grid;place-items:center;min-width:2.15rem;height:1.55rem;padding:0 .35rem;border-radius:999px;background:rgba(15,61,62,.10);color:var(--brand);font-size:.76rem;font-weight:1000;letter-spacing:.03em}.lang-chevron{font-size:.92rem;color:var(--muted);transition:transform .16s ease}.language-dropdown-pro[open] .lang-chevron{transform:rotate(180deg)}
.language-dropdown-pro .language-menu{width:min(720px,calc(100vw - 32px));max-height:min(70vh,620px);overflow:auto;padding:12px;border-radius:22px;background:rgba(255,253,246,.98);backdrop-filter:blur(18px)}
.language-menu-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.55rem .65rem .75rem;border-bottom:1px solid rgba(15,61,62,.10);margin-bottom:.55rem}.language-menu-head strong{font-size:.95rem}.language-menu-head span{color:var(--muted);font-size:.82rem;font-weight:850}
.language-menu-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.35rem}.language-menu-grid a{display:grid!important;grid-template-columns:minmax(0,1fr) auto;gap:.15rem .5rem;align-items:center;padding:.68rem .72rem!important;border-radius:14px!important;border:1px solid transparent;color:var(--ink)!important;text-decoration:none}.language-menu-grid a:hover{background:rgba(15,61,62,.07)!important;border-color:rgba(15,61,62,.10)}.language-menu-grid a[hreflang="en"],.language-menu-grid a:hover .lang-mini{border-color:rgba(215,181,109,.28)}.lang-native{font-weight:950;line-height:1.15;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lang-english{font-size:.77rem;color:var(--muted);font-weight:750;line-height:1.1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lang-mini{grid-row:1/3;grid-column:2;display:inline-grid;place-items:center;min-width:2.1rem;height:1.55rem;border-radius:999px;background:rgba(15,61,62,.08);font-size:.7rem;font-weight:1000;color:var(--brand)}
[dir="rtl"] .language-menu-grid a{grid-template-columns:auto minmax(0,1fr);text-align:right}[dir="rtl"] .lang-mini{grid-column:1}[dir="rtl"] .lang-native,[dir="rtl"] .lang-english{grid-column:2}
@media(max-width:760px){.language-dropdown-pro .language-menu{position:fixed;left:16px!important;right:16px!important;top:74px!important;width:auto;max-height:calc(100vh - 92px)}.language-menu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.language-menu-head{position:sticky;top:0;background:rgba(255,253,246,.98);z-index:1}.nav{gap:.75rem}.brand{font-size:1.05rem}.brand-mark{width:34px;height:34px}.lang-current{display:none}.language-dropdown summary{padding:8px 10px!important}}
@media(max-width:420px){.language-menu-grid{grid-template-columns:1fr}.home-link{display:none!important}.language-dropdown-pro .language-menu{left:10px!important;right:10px!important}}