/* Endüstri Portal · public site · Kurumsal Güven V2.1 (design package v1.2, 18.10.2026)
   Self-hosted fonts only; no inline styles or scripts (CSP: default-src 'self'). */

@font-face{font-family:"Barlow";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/barlow-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Barlow";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/barlow-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/barlow-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Barlow";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/barlow-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/source-sans-3-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/source-sans-3-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/source-sans-3-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/source-sans-3-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/ibm-plex-mono-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --canvas:#F4F7FA; --panel:#FFFFFF; --sunk:#EAF0F5;
  --ink:#10283F; --ink-2:#526477;
  --navy-900:#0A1E33; --navy-800:#163A60;
  --accent:#165D99; --accent-hover:#114A7B; --accent-muted:#EAF1F7; --accent-on-dark:#7FB0E0; --mark:#0054E1;
  --line:#D7E0E8; --line-strong:#7D8FA3;
  --on-dark:#E8EEF5; --on-dark-2:#A9B8C8;
  --ok:#0A735D; --warn:#A64E13; --err:#B42318;
  --f-display:"Barlow",system-ui,sans-serif;
  --f-body:"Source Sans 3",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --r:8px; --r-panel:12px; --wrap:1280px; --gut:24px;
}

/* base */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--ink);font:400 1rem/1.625 var(--f-body);font-feature-settings:"tnum" 1}
img,svg{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:80;background:var(--panel);padding:10px 14px;border-radius:var(--r);transition:top .2s var(--ease-out)}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--f-mono)}
h1,h2,h3{font-family:var(--f-display);color:var(--ink);margin:0}
h1{font-weight:600;font-size:clamp(1.875rem,1.2rem + 2.1vw,3rem);line-height:1.08;letter-spacing:-.015em;max-width:18ch}
h2{font-weight:600;font-size:clamp(1.5rem,1.1rem + 1.2vw,2.25rem);line-height:1.15;letter-spacing:-.01em;max-width:26ch}
h3{font-weight:600;font-size:1.2rem;line-height:1.3}
p{margin:0}
.kicker{font:500 .78rem/1.3 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);margin:0 0 14px}
.lede{font-size:1.125rem;color:var(--ink-2);max-width:56ch}
.muted{color:var(--ink-2)}
.chip{display:inline-flex;align-items:center;gap:6px;font:500 .72rem/1 var(--f-mono);letter-spacing:.04em;text-transform:uppercase;border-radius:4px;padding:5px 7px;border:1px solid}
.chip.ok{color:var(--ok);background:#E8F4F0;border-color:#A6D3C6}
.chip.warn{color:var(--warn);background:#FFF4EC;border-color:#E8BFA2}
.chip.info{color:var(--accent);background:var(--accent-muted);border-color:#B6CCE0}

/* buttons and links */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:var(--r);border:1px solid transparent;background:var(--accent);color:#fff;font:600 1rem/1 var(--f-body);text-decoration:none;cursor:pointer;transition:background-color .2s var(--ease-out),border-color .2s var(--ease-out),color .2s var(--ease-out)}
.btn:hover{background:var(--accent-hover)}
.btn-outline{background:var(--panel);color:var(--ink);border-color:var(--line-strong)}
.btn-outline:hover{background:var(--panel);border-color:var(--ink)}
.btn-small{min-height:44px;padding:0 16px;font-size:.95rem}
.btn[disabled],.btn:disabled{background:var(--sunk);color:var(--ink-2);border-color:var(--line);cursor:not-allowed}
.tlink{font-weight:600;color:var(--ink);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px;transition:text-decoration-color .2s var(--ease-out);background:none;border:0;padding:0;cursor:pointer}
.tlink:hover{text-decoration-color:var(--accent)}
.arrow{display:inline-block;transition:transform .2s var(--ease-out)}
a:hover .arrow,button:hover .arrow{transform:translateX(3px)}

/* development bar + utility bar */
.utility{background:var(--sunk);border-bottom:1px solid var(--line);font-size:.875rem;color:var(--ink-2)}
.utility .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:38px}
.utility ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center}
.utility a{color:var(--ink);font-weight:600;text-decoration:none}
.utility a:hover{text-decoration:underline}

/* header */
.top{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.top-in{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:28px;align-items:center;min-height:78px}
.brand{display:block;text-decoration:none}
.lg{position:relative;display:block;height:42px;aspect-ratio:1913/392}
.lg img{position:absolute;inset:0;width:100%;height:100%;display:block}
.intro .top .lg img{animation-fill-mode:both;animation-timing-function:var(--ease-out)}
.intro .top .l-mavi{animation:lgMavi .42s both}
.intro .top .l-mono{animation:lgMono .38s .12s both}
.intro .top .l-cizgi{animation:lgCizgi .24s .38s both}
.intro .top .l-endustri{animation:lgYazi .46s .48s both}
.intro .top .l-portal{animation:lgPortal .36s .76s both}
@keyframes lgMavi{from{opacity:0;transform:translate(6%,-30%)}to{opacity:1;transform:none}}
@keyframes lgMono{from{opacity:0;transform:translateY(14%)}to{opacity:1;transform:none}}
@keyframes lgCizgi{from{transform:scaleY(0)}to{transform:none}}
.l-cizgi{transform-origin:36.5% 50%}
@keyframes lgYazi{from{clip-path:inset(0 60.5% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes lgPortal{from{opacity:0;transform:translateX(-2%)}to{opacity:1;transform:none}}
.header-search{display:flex;align-items:center;max-width:620px;width:100%;justify-self:center;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--panel);transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 0 0 4px var(--accent-muted)}
.header-search svg{width:20px;margin-left:14px;stroke:var(--ink-2);fill:none;stroke-width:1.8;flex:none}
.header-search input{flex:1;min-width:0;border:0;background:transparent;height:48px;padding:0 12px;outline:none}
.header-search input::placeholder{color:#64758A}
.header-search button{border:0;border-left:1px solid var(--line);background:transparent;height:48px;padding:0 18px;font-weight:600;border-radius:0 var(--r) var(--r) 0;transition:background-color .2s var(--ease-out)}
.header-search button:hover{background:var(--sunk)}
.quote-top{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 6px 0 4px;font-weight:600;text-decoration:none;white-space:nowrap}
.quote-top svg{width:22px;stroke:var(--ink);fill:none;stroke-width:1.7}
.count{display:inline-grid;place-items:center;min-width:34px;height:24px;padding:0 9px;background:var(--accent);color:#fff;font:500 .8125rem/1 var(--f-mono);clip-path:polygon(22% 0,100% 0,78% 100%,0 100%);transition:transform .2s var(--ease-out)}
.count.bump{transform:scale(1.18)}
.mobile-menu{display:none;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--panel);font-weight:600}
.mobile-menu svg{width:18px;stroke:currentColor;stroke-width:1.8;fill:none}

#page{min-height:100vh}
.legal{max-width:76ch}
.legal h2{font:600 1.2rem/1.3 var(--f-display);margin:32px 0 10px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{line-height:1.65}
.legal ul{padding-left:20px;margin:0 0 12px}
.legal li{margin:6px 0}
/* main navigation + mega menu */
.main-nav{position:relative;z-index:25;background:var(--panel);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:4px;min-height:50px}
.nav-inner>a,.nav-inner>button{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border:0;background:none;font-weight:600;font-size:.98rem;text-decoration:none;color:var(--ink);border-radius:var(--r);transition:background-color .2s var(--ease-out)}
.nav-inner>a:hover,.nav-inner>button:hover{background:var(--sunk)}
.nav-inner>a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:6px}
.nav-inner>button svg{width:12px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s var(--ease-out)}
.nav-inner>button[aria-expanded="true"] svg{transform:rotate(180deg)}
.nav-inner .nav-cta{margin-left:auto;color:var(--accent)}
.drawer-head,.drawer-foot{display:none}
.mega{position:absolute;left:0;right:0;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:0 18px 40px -24px rgba(16,40,63,.35);opacity:0;visibility:hidden;transition:opacity .18s var(--ease-out),visibility 0s .18s}
.mega.open{opacity:1;visibility:visible;transition:opacity .18s var(--ease-out)}
.mega ul{list-style:none;margin:0 auto;padding:22px var(--gut) 18px;max-width:var(--wrap);display:grid;grid-template-columns:repeat(3,1fr);gap:4px 28px}
.mega a{display:flex;gap:12px;align-items:baseline;min-height:44px;padding:10px 8px;text-decoration:none;border-radius:var(--r);transition:background-color .2s var(--ease-out)}
.mega a:hover{background:var(--sunk)}
.mega .n{font:500 .78rem/1 var(--f-mono);color:var(--ink-2)}
.mega-all{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut) 22px}

/* home: hero + request desk */
.hero{padding:64px 0 72px}
.hero-in{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:start}
.hero h1{margin-bottom:20px}
.hero .lede{margin-bottom:34px}
.desk{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:0 1px 0 rgba(16,40,63,.04),0 24px 48px -32px rgba(16,40,63,.35)}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.tab{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;min-height:58px;padding:10px 12px;border:0;background:none;font-weight:600;font-size:.98rem;color:var(--ink-2);transition:color .2s var(--ease-out),background-color .2s var(--ease-out)}
.tab+.tab{border-left:1px solid var(--line)}
.tab svg{width:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7}
.tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);transform:scaleX(0);transition:transform .2s var(--ease-out)}
.tab[aria-selected="true"]{color:var(--ink)}
.tab[aria-selected="true"]::after{transform:scaleX(1)}
.tab:hover{background:var(--canvas)}
.panel{padding:22px 22px 20px}
.panel[hidden]{display:none}
.field-label{display:block;font-weight:600;font-size:.95rem;margin:0 0 8px}
.bigsearch{display:flex;gap:10px}
.bigsearch input,.desk textarea,.desk .input{width:100%;min-height:54px;padding:0 16px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--panel);transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}
.desk textarea{min-height:118px;padding:12px 14px;resize:vertical;font:400 .92rem/1.55 var(--f-mono)}
.bigsearch input:focus,.desk textarea:focus,.desk .input:focus,.desk select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 0 0 4px var(--accent-muted)}
.desk select{min-height:44px;padding:0 10px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--panel)}
.hint{font-size:.9rem;color:var(--ink-2);margin-top:12px}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:14px}
.parse{margin-top:12px}
.parse table{width:100%;border-collapse:collapse;font-size:.9rem}
.parse th{font:500 .7rem/1 var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);text-align:left;padding:8px;border-bottom:1px solid var(--line)}
.parse td{padding:8px;border-bottom:1px solid var(--line);vertical-align:baseline}
.parse td.code,.parse td.num{font-family:var(--f-mono);font-size:.84rem}
.parse .sum{display:flex;justify-content:space-between;align-items:baseline;font:500 .78rem/1.3 var(--f-mono);color:var(--ink-2);margin:0 0 6px}
.parse .err,.form-error{color:var(--err);font-size:.92rem}
.live{min-height:1.4em;margin-top:10px;font-size:.92rem;color:var(--ok);font-weight:600}
.notice{display:block;padding:14px 16px;border-radius:var(--r);background:#FFF7F0;border:1px solid #EBCDB5;color:#5E2C0B;font-size:.95rem}
.notice strong{display:block;margin-bottom:4px;color:inherit}
.notice.info{background:var(--accent-muted);border-color:#B6CCE0;color:var(--ink)}
.notice.ok{background:#E8F4F0;border-color:#A6D3C6;color:#06463A}
.notice.err{background:#FBEDEB;border-color:#EDB9B2;color:#7A1A10}
.desk .notice{margin-bottom:16px}

/* signature: twelve lines, one point */
.sig{position:relative;margin:28px 0 0}
.sig svg{width:100%;height:auto;overflow:visible;opacity:0;transition:opacity .2s var(--ease-out)}
.sig.drawn svg{opacity:1}
.sig .num{font:500 11px var(--f-mono);fill:var(--ink-2)}
.sig .ln{fill:none;stroke:var(--ink);stroke-width:1.25;stroke-linejoin:round;opacity:.82}
.sig .dot{fill:var(--panel);stroke:var(--ink);stroke-width:1.25}
.sig .node{fill:var(--mark);transform-box:fill-box;transform-origin:50% 50%}
.sig .out{fill:none;stroke:var(--mark);stroke-width:2}
.sig .lab{font:500 11px var(--f-mono);letter-spacing:.06em;fill:var(--ink)}
.sig .lab2{font:400 11px var(--f-mono);fill:var(--ink-2)}
.sig.pulse .node{animation:pulse .2s var(--ease-out)}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.14)}100%{transform:scale(1)}}
.sig figcaption{margin-top:14px;font:500 .78rem/1.5 var(--f-mono);letter-spacing:.04em;color:var(--ink-2);text-align:center}

/* sections */
.sec{padding:96px 0}
.sec.tight{padding-top:0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:40px}
.sec-head .lede{margin-top:14px}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;margin:0;padding:0}
.cat a{position:relative;display:flex;flex-direction:column;height:100%;min-height:208px;padding:22px 22px 20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}
.cat a:hover{border-color:var(--line-strong);box-shadow:0 18px 36px -28px rgba(16,40,63,.45)}
.cat .top-row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}
.cat svg{width:30px;height:30px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.cat .n{font:500 .8rem/1 var(--f-mono);color:var(--ink-2);transition:color .2s var(--ease-out)}
.cat a:hover .n{color:var(--accent)}
.cat h3{font-size:1.15rem;margin-bottom:8px}
.cat p{font-size:.94rem;color:var(--ink-2);margin-bottom:18px}
.cat .go{margin-top:auto;font-weight:600;font-size:.94rem}
.cat .tick{position:absolute;left:-1px;top:22px;width:3px;height:30px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease-out)}
.cat a:hover .tick{transform:scaleY(1)}

/* part-code help panel */
.code-panel{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:34px 36px}
.code-head .lede{margin-top:12px}
.code-ways{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.code-ways li{display:flex;flex-direction:column;gap:6px;padding:4px 24px;border-left:1px solid var(--line)}
.code-ways .n{display:grid;place-items:center;width:28px;height:28px;border:1.5px solid var(--line-strong);border-radius:50%;font:500 .78rem/1 var(--f-mono);margin-bottom:8px}
.code-ways h3{font-size:1.1rem}
.code-ways p{color:var(--ink-2);font-size:.95rem;flex:1}

/* verified catalog gate */
.gate-band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.gate-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px;align-items:start}
.gate-in .lede{margin:16px 0 26px}
.gate{list-style:none;margin:0;padding:0;position:relative}
.gate::before{content:"";position:absolute;left:19px;top:26px;bottom:26px;width:1.5px;background:var(--line-strong)}
.gate li{position:relative;display:grid;grid-template-columns:40px 1fr;gap:18px;padding:16px 0;align-items:baseline}
.gate .k{position:relative;z-index:1;display:grid;place-items:center;width:40px;height:40px;background:var(--panel);border:1.5px solid var(--line-strong);border-radius:50%;font:500 .8rem/1 var(--f-mono)}
.gate li:last-child .k{background:var(--accent);border-color:var(--accent);color:#fff}
.gate b{display:block;font-family:var(--f-display);font-weight:600;font-size:1.15rem}
.gate .d{color:var(--ink-2);font-size:.95rem}
.state{margin-top:26px;padding:16px 18px;border:1px dashed var(--line-strong);border-radius:var(--r);font-size:.95rem;color:var(--ink-2)}
.state strong{color:var(--ink)}

/* process: three static steps */
.process{background:var(--navy-900);color:var(--on-dark);padding:88px 0}
.process h2,.process h3{color:var(--on-dark)}
.process .kicker{color:var(--on-dark-2)}
.process :focus-visible{outline-color:var(--accent-on-dark)}
.proc-steps{list-style:none;margin:56px 0 40px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.proc-steps li{position:relative;padding:34px 40px 0 0}
.proc-steps li::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:rgba(169,184,200,.4)}
.proc-steps .k{position:absolute;left:0;top:-17px;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy-900);border:1.5px solid var(--accent-on-dark);font:500 .8rem/1 var(--f-mono);color:var(--on-dark)}
.proc-steps li:last-child .k{background:var(--accent-on-dark);color:var(--navy-900)}
.proc-steps h3{font-size:1.35rem;margin:0 0 10px}
.proc-steps p{color:var(--on-dark-2);max-width:38ch}
.steps-light{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:var(--r-panel);padding:40px 36px 8px}
.steps-light h3{color:var(--ink)}
.steps-light .proc-steps{margin:24px 0 20px}
.steps-light .proc-steps li::before{background:var(--line-strong)}
.steps-light .proc-steps .k{background:var(--panel);border-color:var(--accent);color:var(--ink)}
.steps-light .proc-steps li:last-child .k{background:var(--accent);color:#fff}
.steps-light .proc-steps p{color:var(--ink-2)}

/* use cases */
.uses-in{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px}
.uses-in .sticky{position:sticky;top:120px;align-self:start}
.uses-in .lede{margin-top:16px}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-strong)}
.rows li{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}
.rows .tag{font:500 .76rem/1.6 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.rows h3{margin-bottom:6px}
.rows p{color:var(--ink-2)}

/* working principles */
.prin{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--r-panel);background:var(--panel);overflow:hidden}
.prin>div{padding:34px 36px}
.prin>div+div{border-left:1px solid var(--line)}
.prin h3{display:flex;align-items:center;gap:12px;font-size:1.3rem;margin-bottom:20px}
.prin h3 i{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-style:normal}
.prin .yes i{background:#E8F4F0;color:var(--ok)}
.prin .no i{background:#FBEDEB;color:var(--err)}
.prin h3 svg{width:15px;stroke:currentColor;stroke-width:2.4;fill:none}
.prin ul{list-style:none;margin:0;padding:0}
.prin li{padding:13px 0;border-top:1px solid var(--line)}
.prin li:first-child{border-top:0}

/* faq */
.faq-in{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px}
.faq-in .lede{margin-top:16px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line-strong)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:64px;padding:16px 0;font:600 1.1rem/1.35 var(--f-display);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;position:relative;width:16px;height:16px}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;background:var(--ink);transition:transform .2s var(--ease-out)}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i::after{transform:rotate(0)}
.faq .a{padding:0 40px 22px 0;color:var(--ink-2);max-width:68ch}

/* closing band */
.final{padding:110px 0}
.final-in{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px;align-items:center}
.final h2{font-size:clamp(2rem,1.3rem + 2.4vw,3.25rem);margin-bottom:16px}
.meet{position:relative;display:flex;justify-content:flex-end;align-items:center;min-height:220px}
.meet svg{position:absolute;left:0;top:0;width:100%;height:100%}
.meet .ln{fill:none;stroke:var(--ink);stroke-width:1.2;opacity:.5}
.meet .cta{position:relative;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.meet .cta>.btn{min-height:58px;padding:0 28px;font-size:1.06rem}
.cta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.meet-sub{justify-content:flex-end;margin-top:12px}

/* inner pages */
.page-head{padding:44px 0 36px;border-bottom:1px solid var(--line);background:var(--panel)}
.page-head h1{margin:12px 0 12px;max-width:24ch}
.crumbs{font-size:.9rem;color:var(--ink-2)}
.crumbs a{color:var(--ink);text-decoration:none;font-weight:600}
.crumbs a:hover{text-decoration:underline}
.content{padding:44px 0 96px}
.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start;margin-top:32px}
.detail-cols{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.card,.form-panel,.detail-feature,.result-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:28px}
.card h2,.form-panel h2,.detail-feature h2{font-size:1.5rem;margin-bottom:14px}
.detail-feature h3,.result-card h3,.card h3{margin-bottom:10px}
.detail-feature p+p,.result-card p+p,.card p+p{margin-top:10px}
.section-sub{color:var(--ink-2)}
.table-caption,.fine-print{font-size:.88rem;color:var(--ink-2)}
.fine-print{margin-top:14px}
.result-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.stack>*+*{margin-top:24px}

/* forms */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-weight:600;font-size:.95rem}
.field input,.field select,.field textarea,.add-item input,.add-item select,.quote-line input,.quote-line select,#tracking-form input{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--panel);transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}
.field textarea{min-height:110px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.add-item input:focus,.add-item select:focus,.quote-line input:focus,.quote-line select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 0 0 4px var(--accent-muted)}
.field input[aria-invalid="true"]{border-color:var(--err)}
.help{font-size:.88rem;color:var(--ink-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-check{display:flex;gap:12px;align-items:flex-start;margin:12px 0;font-size:.95rem}
.form-check input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--accent)}
.form-step{margin-top:24px}
.form-submit{width:100%;margin-top:8px}
.quantity-unit{display:grid;grid-template-columns:1fr 120px;gap:8px}
.form-error{min-height:1.2em;margin:8px 0 0}
.add-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:24px}
.add-item h3{margin-bottom:14px}
.add-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr) 110px 120px;gap:10px}
.add-extra{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.add-extra label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}
.add-control{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px}

/* quote list */
.list-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:12px}
.list-head h2{font-size:1.5rem}
.quote-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel)}
.quote-line{display:grid;grid-template-columns:minmax(0,1fr) 110px 110px 44px;gap:10px;align-items:center;padding:14px 16px;border-top:1px solid var(--line)}
.quote-line:first-child{border-top:0}
.quote-line strong{display:block}
.quote-line small{display:block;color:var(--ink-2);font-size:.88rem}
.quote-line small .mono{font-size:.84rem}
.remove-line{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);font-size:1.2rem;line-height:1;color:var(--ink-2)}
.remove-line:hover{border-color:var(--err);color:var(--err)}
.empty-basket{padding:32px 28px;text-align:left}
.empty-basket strong{display:block;font-family:var(--f-display);font-size:1.2rem;margin-bottom:6px}
.empty-basket p{color:var(--ink-2);margin-bottom:16px}

/* catalog */
.catalog-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:20px}
.catalog-head h2{font-size:1.6rem}
.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.catalog-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:22px;display:flex;flex-direction:column;gap:8px}
.catalog-item-head{display:flex;justify-content:space-between;gap:12px;align-items:center}
.catalog-brand{font:500 .78rem/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.catalog-item h3 a{text-decoration:none}
.catalog-item h3 a:hover{text-decoration:underline}
.catalog-variant{color:var(--ink-2);font-size:.95rem}
.catalog-item-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:12px}
.catalog-fallback{margin-top:40px}
.catalog-fallback>h3{font-size:1.3rem;margin-bottom:8px}
.catalog-fallback>p{color:var(--ink-2);margin-bottom:16px}
.code-copy{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}
.code{font-family:var(--f-mono);font-size:.92rem;background:var(--sunk);border:1px solid var(--line);border-radius:4px;padding:2px 6px}
.copy-btn{min-height:32px;padding:0 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--panel);font:500 .74rem/1 var(--f-mono)}
@media (pointer:coarse){.copy-btn{min-height:44px}}
.tech-specs{display:grid;grid-template-columns:1fr;margin:14px 0 0;border-top:1px solid var(--line)}
.tech-specs div{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.tech-specs dt{color:var(--ink-2)}
.tech-specs dd{margin:0;font-family:var(--f-mono);font-size:.92rem}
.verified-line{font-size:.95rem;margin-top:6px}

/* success receipt + tracking */
.success{background:var(--panel);border:1px solid #A6D3C6;border-radius:var(--r-panel);padding:36px;max-width:760px}
.success .mark{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#E8F4F0;color:var(--ok);margin-bottom:16px}
.success .mark svg{width:20px;stroke:currentColor;stroke-width:2.4;fill:none}
.success h2{margin-bottom:10px}
.success .id{display:inline-block;font:500 1.15rem/1.4 var(--f-mono);background:var(--sunk);border:1px solid var(--line);border-radius:6px;padding:8px 12px;margin:8px 0 14px}
.tracking-timeline{list-style:none;margin:14px 0 6px;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.tracking-timeline li{font-size:.84rem;color:var(--ink-2);padding-top:12px;border-top:3px solid var(--line)}
.tracking-timeline li.reached{color:var(--ink);border-top-color:var(--accent);font-weight:600}
#tracking-result{margin-top:18px}

/* lubricant + brands */
.form-section-title{font:500 .78rem/1.3 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);margin:24px 0 12px}
.form-section-title:first-child{margin-top:0}
.temp-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

body.nav-open{overflow:hidden}

/* footer */
.foot{background:var(--navy-900);color:var(--on-dark-2);padding:72px 0 28px;font-size:.95rem}
.foot a{color:var(--on-dark);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot :focus-visible{outline-color:var(--accent-on-dark)}
.foot-in{display:grid;grid-template-columns:minmax(0,4fr) repeat(4,minmax(0,2fr));gap:36px}
.foot-brand img{height:40px;width:auto;margin-bottom:18px}
.foot h2{font:500 .74rem/1 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--on-dark-2);margin:6px 0 16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:56px;padding-top:22px;border-top:1px solid rgba(169,184,200,.2);font-size:.85rem}

/* responsive (V2.1: <640 mobile, 640-1023 tablet, >=1024 desktop) */
@media (max-width:1180px) and (min-width:640px){.tab svg{display:none}}
@media (max-width:1180px){.cats{grid-template-columns:repeat(3,minmax(0,1fr))}.foot-in{grid-template-columns:repeat(3,minmax(0,1fr))}.foot-brand{grid-column:1/-1}}
@media (max-width:1023px){
  .hero-in{grid-template-columns:1fr}
  .hero .sig{display:none}
  .gate-in,.uses-in,.faq-in,.final-in,.code-panel,.split,.detail-cols{grid-template-columns:1fr;gap:28px}
  .code-panel{padding:26px 22px}
  .code-ways{grid-template-columns:1fr;gap:18px}
  .code-ways li{border-left:0;border-top:1px solid var(--line);padding:16px 0 0}
  .uses-in .sticky{position:static}
  .meet{justify-content:flex-start;min-height:0}
  .meet svg{display:none}
  .meet .cta{align-items:flex-start}
  .meet-sub{justify-content:flex-start}
  .top{position:relative}
  .top-in{grid-template-columns:auto 1fr auto;gap:16px}
  .top .header-search{grid-column:1/-1;grid-row:2;max-width:none;margin-bottom:14px}
  .main-nav{display:none}
  .main-nav.open{display:block;position:fixed;inset:0;z-index:60;overflow:auto;border:0}
  .drawer-head{display:flex;justify-content:space-between;align-items:center;padding:14px var(--gut);border-bottom:1px solid var(--line)}
  .drawer-head img{height:30px;width:auto}
  .drawer-foot{display:grid;gap:8px;padding:18px var(--gut) 28px;border-top:1px solid var(--line);color:var(--ink-2);font-size:.95rem}
  .nav-inner{flex-direction:column;align-items:stretch;padding-top:8px;padding-bottom:12px}
  .nav-inner .nav-cta{margin-left:0}
  .mobile-menu{display:inline-flex}
  .mega{position:static;box-shadow:none;display:none}
  .mega.open{display:block}
  .mega ul{grid-template-columns:1fr;padding:6px 8px}
  .cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .utility{display:none}
  .prin{grid-template-columns:1fr}
  .prin>div+div{border-left:0;border-top:1px solid var(--line)}
  .proc-steps{grid-template-columns:1fr;margin:36px 0 32px}
  .proc-steps li{padding:0 0 30px 56px}
  .proc-steps li::before{left:16px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .proc-steps li:last-child::before{display:none}
  .proc-steps .k{top:-4px}
  .add-grid{grid-template-columns:1fr 1fr}
  .catalog-grid{grid-template-columns:1fr}
}
@media (max-width:639px){
  :root{--gut:16px}
  .sec{padding:64px 0}
  .hero{padding:36px 0 48px}
  .lg{height:30px}
  .quote-top .lbl{display:none}
  .tabs{grid-template-columns:1fr}
  .tab{justify-content:flex-start;padding:0 16px;min-height:52px}
  .tab+.tab{border-left:0;border-top:1px solid var(--line)}
  .tab::after{left:0;right:auto;top:0;bottom:0;width:3px;height:auto;transform:scaleY(0)}
  .tab[aria-selected="true"]::after{transform:scaleY(1)}
  .panel{padding:18px 16px}
  .bigsearch{flex-direction:column}
  .cats{grid-template-columns:1fr;gap:10px}
  .cat a{min-height:0;display:grid;grid-template-columns:34px 1fr;gap:4px 14px;padding:16px}
  .cat .top-row{display:contents}
  .cat svg{grid-row:1/4;width:28px;height:28px}
  .cat .n{display:none}
  .cat p{margin-bottom:8px}
  .rows li{grid-template-columns:1fr;gap:6px}
  .prin>div{padding:24px 20px}
  .faq .a{padding-right:0}
  .foot-in{grid-template-columns:1fr 1fr}
  .sec-head,.catalog-head,.list-head{flex-direction:column;align-items:flex-start;gap:12px}
  .form-row,.add-extra,.temp-row{grid-template-columns:1fr}
  .add-grid{grid-template-columns:1fr}
  .quote-line{grid-template-columns:1fr 1fr 44px}
  .quote-line>div:first-child{grid-column:1/-1}
  .card,.form-panel,.detail-feature,.result-card,.success{padding:22px 18px}
  .tracking-timeline{grid-template-columns:1fr}
  .page-head{padding:32px 0 28px}
  .content{padding:32px 0 72px}
}
@media (pointer:coarse){.btn,.tlink,.nav-inner>a{min-height:44px}}

/* reduced motion: final states, nothing moves */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .sig svg{opacity:1}
}