:root{
  --bg:#e8ebf1; --bg2:#dfe3ea; --card:#f8f9fb; --line:#d3d9e2;
  --ink:#1d2330; --muted:#59616f; --faint:#878e9b;
  --acc:#0a8cbb; --acc2:#46cdee; --accsoft:rgba(10,140,187,.10);
  --radius:22px; --maxw:1280px;
  --grad:linear-gradient(135deg,#2bb8df 0%,#5ad6f2 100%);
  --grad-ink:linear-gradient(135deg,#0a86b3 0%,#1aa6cf 100%);
  --sh-sm:0 1px 2px rgba(20,30,55,.04),0 6px 16px -6px rgba(20,30,55,.08);
  --sh:0 2px 6px rgba(20,30,55,.05),0 22px 48px -18px rgba(20,30,55,.13);
  --sh-lg:0 40px 90px -30px rgba(20,30,55,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--ink);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{background:var(--grad-ink);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:980px;font-weight:600;font-size:15px;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#06222c;box-shadow:0 6px 18px -6px rgba(43,184,223,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(43,184,223,.6)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff;box-shadow:var(--sh-sm)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc)}
.eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);font-weight:700}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(18px);background:rgba(240,242,246,.82);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.logo-img{height:38px;width:auto;display:block}
.nav-collapse{flex:1;display:flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer;padding:0 11px;box-shadow:var(--sh-sm)}
.nav-burger span{height:2px;background:var(--ink);border-radius:2px;transition:.22s}
.nav-links a{font-size:14.5px;color:var(--muted);font-weight:500;transition:.15s}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13px;font-weight:700}
.lang a{color:var(--muted);padding:7px 11px;transition:.15s}
.lang a.on{background:var(--accsoft);color:var(--acc)}
.lang a:hover{color:var(--ink)}
@media(max-width:820px){
  .nav-burger{display:flex;margin-left:auto}
  .nav-collapse{position:absolute;top:67px;left:0;right:0;flex:none;flex-direction:column;align-items:stretch;gap:0;background:rgba(240,242,246,.98);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--line);box-shadow:var(--sh);padding:6px 22px 18px;transform:translateY(-14px);opacity:0;visibility:hidden;transition:transform .24s ease,opacity .24s ease,visibility .24s}
  .nav.open .nav-collapse{transform:none;opacity:1;visibility:visible}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;margin:0}
  .nav-links a{padding:14px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
  .nav-right{justify-content:flex-start;gap:18px;margin-top:16px;flex-wrap:wrap}
  .nav.open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.open .nav-burger span:nth-child(2){opacity:0}
  .nav.open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* HERO */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(55% 50% at 78% 6%,rgba(70,205,238,.20),transparent 70%),
   radial-gradient(45% 45% at 10% 28%,rgba(91,140,255,.12),transparent 70%);z-index:-1}
.grid-bg{position:absolute;inset:0;z-index:-1;opacity:.7;
   background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
   background-size:54px 54px;mask-image:radial-gradient(70% 60% at 50% 0,#000,transparent 80%)}
.hero h1{font-size:clamp(29px,4.4vw,46px);line-height:1.12;letter-spacing:-.02em;font-weight:800;max-width:25ch;margin:18px 0 22px}
.hero p.lead{font-size:clamp(16px,2.3vw,21px);color:var(--muted);max-width:56ch;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:28px;margin-top:46px;flex-wrap:wrap;color:var(--faint);font-size:14px}
.hero-meta b{color:var(--ink)}

/* HERO VISUAL (sağ taraf) */
.hero-top{display:grid;grid-template-columns:1fr 1.12fr;gap:38px;align-items:center}
.hero-text{min-width:0}
.hero-visual{position:relative}
.hero-panel{position:relative;aspect-ratio:1/1}
/* kutu yok — yumuşak hâle + yayvan gölge ile sayfaya gömülü */
.hero-panel::before{content:"";position:absolute;inset:-10%;z-index:-1;background:radial-gradient(46% 46% at 50% 45%,rgba(70,205,238,.20),rgba(70,205,238,.06) 50%,transparent 74%)}
.hero-panel::after{content:"";position:absolute;left:16%;right:16%;bottom:3%;height:24%;z-index:-1;background:radial-gradient(50% 100% at 50% 100%,rgba(22,42,72,.13),transparent 72%);filter:blur(14px)}
.hero-panel svg{position:relative;width:100%;height:100%;display:block}
.ring{opacity:.5}
.tw{opacity:.5}
@media (prefers-reduced-motion:no-preference){
  .hero-panel{animation:floaty 7s ease-in-out infinite alternate}
  @keyframes floaty{from{transform:translateY(-7px)}to{transform:translateY(7px)}}
  .ring{animation:ringp 4.5s ease-in-out infinite}
  .ring.d{animation-delay:-2.2s}
  @keyframes ringp{0%,100%{opacity:.32}50%{opacity:.82}}
  .tw{animation:twk 3s ease-in-out infinite}
  .tw.d2{animation-delay:-1s} .tw.d3{animation-delay:-2s}
  @keyframes twk{0%,100%{opacity:.22}50%{opacity:1}}
}
@media(max-width:880px){.hero{padding:54px 0 64px}.hero-top{grid-template-columns:1fr;gap:30px}.hero-visual{order:-1;max-width:360px;margin:0 auto}}
@media(max-width:600px){.hero-visual{max-width:300px}}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:72px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--sh-sm)}
.stat .n{font-size:23px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.stat .l{color:var(--muted);font-size:14px;margin-top:4px}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}}

section{padding:84px 0}
.sec-head{max-width:640px;margin-bottom:48px}
.sec-head h2{font-size:clamp(26px,4vw,40px);letter-spacing:-.025em;font-weight:800;margin:12px 0 14px;line-height:1.1}
.sec-head p{color:var(--muted);font-size:17px}

/* PRODUCT */
.product{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.prod-card{display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch;background:var(--card);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--sh)}
.prod-info{padding:46px}
.prod-tag{display:inline-block;background:var(--accsoft);color:var(--acc);font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:30px;letter-spacing:.04em}
.prod-info h3{font-size:30px;font-weight:800;letter-spacing:-.02em;margin:16px 0 12px}
.prod-info p{color:var(--muted);margin-bottom:22px}
.prod-feats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{font-size:13px;color:var(--ink);background:var(--bg2);border:1px solid var(--line);padding:7px 13px;border-radius:9px}
.chip-key{background:var(--accsoft);border-color:var(--acc2);color:var(--acc);font-weight:700}
.prod-info p strong{color:var(--acc);font-weight:700}
/* Lumora indirme: app ikonu + App Store rozeti */
.lumora-get{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:2px}
.prod-title{display:flex;align-items:center;gap:13px;margin:16px 0 12px}
.prod-title h3{margin:0}
.prod-logo{width:46px;height:46px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--sh-sm);flex:0 0 auto}
.appstore-btn{display:inline-flex;align-items:center;gap:10px;background:#000;color:#fff;border-radius:12px;padding:9px 18px 9px 14px;transition:transform .18s,box-shadow .18s}
.appstore-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(0,0,0,.55)}
.appstore-btn svg{width:23px;height:23px;fill:#fff;flex:0 0 auto}
.appstore-btn .as-txt{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.appstore-btn .as-txt small{font-size:9.5px;letter-spacing:.02em}
.appstore-btn .as-txt b{font-size:17px;font-weight:600;letter-spacing:.01em}
/* Ürün sekmeleri */
.prod-tabs{display:flex;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.prod-tab{padding:10px 22px;border-radius:980px;border:1px solid var(--line);background:var(--card);color:var(--muted);font-weight:600;font-size:14.5px;cursor:pointer;transition:.2s;font-family:inherit}
.prod-tab:hover{color:var(--ink);border-color:#c4ccd8}
.prod-tab.active{background:var(--grad);color:#06222c;border-color:transparent;box-shadow:0 6px 18px -6px rgba(43,184,223,.5)}
.prod-panel.hidden{display:none}
.prod-panel{animation:prodfade .35s ease}
@keyframes prodfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
/* WeatherScope kaydırmalı galeri — yazısız cihazlar + altında etiket (iot.png'den) */
.ws-row{scroll-snap-type:x proximity;scroll-padding-left:30px;align-items:flex-start}
.ws-tile{flex:0 0 auto;width:200px;scroll-snap-align:start}
.ws-frame{aspect-ratio:1/1;border-radius:16px;border:1px solid var(--line);overflow:hidden;background:#0e1726;box-shadow:0 14px 36px -16px rgba(20,30,55,.4);transition:transform .25s,box-shadow .25s}
.ws-frame img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;user-select:none;-webkit-user-drag:none}
.ws-frame:hover{transform:translateY(-6px);box-shadow:0 26px 56px -18px rgba(10,140,187,.34)}
/* Lumora slider — DAR görsel alanın içinde; sürükleyip gez, tıkla → büyür */
.prod-visual{position:relative;min-width:0;overflow:hidden;display:flex;align-items:center;background:radial-gradient(80% 90% at 80% 8%,rgba(70,205,238,.16),transparent),linear-gradient(165deg,#eef1f6,#f7f9fc)}
.shot-row{display:flex;gap:16px;width:100%;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;cursor:grab;padding:34px 30px;scroll-padding-left:30px}
/* slider ok butonları */
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(8px);color:var(--ink);font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-sm);transition:background .15s,box-shadow .15s,opacity .15s;opacity:.85}
.slider-nav:hover{background:#fff;opacity:1;box-shadow:var(--sh)}
.slider-nav:active{transform:translateY(-50%) scale(.94)}
.slider-prev{left:12px}
.slider-next{right:12px}
.shot-row::-webkit-scrollbar{display:none}
.shot-row.dragging{cursor:grabbing;scroll-snap-type:none}
.shot-row.dragging img{pointer-events:none}
.shot-item{flex:0 0 auto;width:184px;scroll-snap-align:center}
.shot{aspect-ratio:9/19.55;border:5px solid #23262e;border-radius:26px;overflow:hidden;background:#000;box-shadow:0 14px 36px -16px rgba(20,30,55,.4);transition:transform .25s,box-shadow .25s}
.shot:hover{transform:translateY(-6px);box-shadow:0 26px 56px -18px rgba(10,140,187,.34)}
.shot img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;user-select:none;-webkit-user-drag:none}
.shot-cap{text-align:center;color:var(--muted);font-size:12px;margin-top:9px}
/* CSRAS 62443 — geniş masaüstü uygulama ekranları (yatay tile) */
.cs-row{align-items:flex-start}
.cs-tile{flex:0 0 auto;width:360px;scroll-snap-align:start}
.cs-frame{border-radius:14px;border:1px solid var(--line);overflow:hidden;background:#0b1220;box-shadow:0 14px 36px -16px rgba(20,30,55,.4);transition:transform .25s,box-shadow .25s}
.cs-frame img{width:100%;height:auto;display:block;cursor:zoom-in;user-select:none;-webkit-user-drag:none}
.cs-frame:hover{transform:translateY(-6px);box-shadow:0 26px 56px -18px rgba(10,140,187,.34)}
.cs-cap{text-align:center;color:var(--muted);font-size:12px;margin-top:9px}
/* CSRAS 62443 ürün detay sayfası (/csras) */
.csx-shot{border-radius:16px;border:1px solid var(--line);overflow:hidden;background:#0b1220;box-shadow:var(--sh-lg)}
.csx-shot img{width:100%;height:auto;display:block}
.csx-feat{display:grid;grid-template-columns:1fr 1.06fr;gap:46px;align-items:center;padding:46px 0}
.csx-feat + .csx-feat{border-top:1px solid var(--line)}
.csx-feat.rev .csx-feat-txt{order:2}
.csx-idx{font-size:12.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--acc)}
.csx-feat h3{font-size:clamp(21px,2.7vw,28px);font-weight:800;letter-spacing:-.02em;margin:9px 0 12px;line-height:1.15}
.csx-feat p{color:var(--muted);font-size:16px}
@media(max-width:820px){ .csx-feat{grid-template-columns:1fr;gap:22px;padding:34px 0} .csx-feat.rev .csx-feat-txt{order:0} }
@media(max-width:860px){
  .prod-card{grid-template-columns:1fr}
}
@media(max-width:680px){
  .prod-info{padding:34px 26px 24px}
  .shot-row{padding:26px 24px;gap:14px}
  .shot-item{width:150px}
  .ws-tile{width:158px}
  .cs-tile{width:270px}
  .slider-nav{display:none}
}

/* Lightbox — tıkla-büyüt (animasyonlu) */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(244,245,248,.8);backdrop-filter:saturate(160%) blur(10px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .28s ease}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:90vw;max-height:86vh;border-radius:30px;border:7px solid #23262e;box-shadow:var(--sh-lg);transform:scale(.86);transition:transform .32s cubic-bezier(.2,.85,.25,1)}
.lightbox.open img{transform:scale(1)}
.lb-close{position:absolute;top:20px;right:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.9);color:var(--ink);font-size:26px;line-height:1;cursor:pointer;transition:.15s;box-shadow:var(--sh-sm)}
.lb-close:hover{background:#fff;transform:scale(1.05)}

/* SERVICES */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--sh-sm)}
.svc:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#d4dae2}
.svc .ic{width:46px;height:46px;border-radius:12px;background:var(--accsoft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.svc h4{font-size:18px;margin-bottom:8px;font-weight:700}
.svc p{color:var(--muted);font-size:14.5px}
@media(max-width:860px){.svc-grid{grid-template-columns:1fr}}

/* IEC 62443 — derinlemesine metodoloji bloğu (animasyonlu) */
.ra{margin-top:46px;background:linear-gradient(180deg,var(--card),#eef2f7);border:1px solid var(--line);border-radius:30px;padding:42px 40px;box-shadow:var(--sh);overflow:hidden}
.ra-top{max-width:820px;margin-bottom:8px}
.ra-top h3{font-size:clamp(21px,2.8vw,29px);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:10px 0 12px}
.ra-top p{color:var(--muted);font-size:16px}
.ra-sec{margin-top:34px}
.ra-h{display:flex;align-items:center;gap:12px;font-size:15.5px;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin-bottom:18px}
.ra-hn{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 8px;border-radius:7px;background:var(--grad);color:#06222c;font-size:12px;font-weight:800}
.ra-note{margin-top:15px;color:var(--muted);font-size:13.5px;max-width:880px;line-height:1.55}

/* ZCR akışı */
.ra-flow{position:relative;display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.ra-flow::before{content:"";position:absolute;left:1.5%;right:1.5%;top:46px;height:2px;background:linear-gradient(90deg,transparent,var(--line) 7%,var(--line) 93%,transparent);z-index:0}
.ra-step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 14px 16px;box-shadow:var(--sh-sm)}
.ra-step .rc{display:block;font-size:10px;font-weight:800;letter-spacing:.07em;color:var(--acc);margin-bottom:8px;text-transform:uppercase}
.ra-step .n{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--accsoft);color:var(--acc);font-weight:800;font-size:13px;margin-bottom:11px}
.ra-step h5{font-size:13px;font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-bottom:6px}
.ra-step p{font-size:12px;color:var(--muted);line-height:1.5}

/* iki katmanlı risk formülü */
.ra-formulas{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rf{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:var(--sh-sm)}
.rf-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.rf-eq{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:13px}
.rf-t{background:var(--accsoft);color:var(--acc);font-weight:700;font-size:13.5px;padding:8px 13px;border-radius:10px}
.rf-op{color:var(--faint);font-weight:800;font-size:15px}
.rf-r{background:var(--grad);color:#06222c;font-weight:800;font-size:13.5px;padding:8px 14px;border-radius:10px;box-shadow:0 6px 16px -8px rgba(43,184,223,.6)}
.rf p{color:var(--muted);font-size:13px;line-height:1.5}

/* purdue katmanları */
.purdue{display:flex;flex-direction:column}
.plv{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 18px;box-shadow:var(--sh-sm)}
.plv .pl{flex:0 0 auto;width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff}
.plv[data-l="3"] .pl{background:linear-gradient(135deg,#0a6f93,#0a8cbb)}
.plv[data-l="2"] .pl{background:linear-gradient(135deg,#0a8cbb,#2bb8df)}
.plv[data-l="1"] .pl{background:linear-gradient(135deg,#2bb8df,#46cdee)}
.plv[data-l="0"] .pl{background:linear-gradient(135deg,#46cdee,#86def5)}
.plv .pt{font-weight:700;font-size:14.5px}
.plv .pe{color:var(--muted);font-size:12.5px;margin-left:auto;text-align:right}
.pcon{margin-left:21px;padding:5px 0 5px 24px;border-left:2px dashed var(--border2);font-size:11.5px;color:var(--faint);min-height:26px;display:flex;align-items:center}

/* SL merdiveni */
.sl-ladder{display:flex;align-items:flex-end;gap:14px}
.rung{flex:1;display:flex;flex-direction:column;align-items:stretch}
.rung .bar{height:var(--h);border-radius:13px 13px 9px 9px;box-shadow:var(--sh-sm)}
.rung:nth-child(1) .bar{background:linear-gradient(180deg,#9fe3f5,#46cdee)}
.rung:nth-child(2) .bar{background:linear-gradient(180deg,#5cd2ef,#2bb8df)}
.rung:nth-child(3) .bar{background:linear-gradient(180deg,#2bb8df,#0a8cbb)}
.rung:nth-child(4) .bar{background:linear-gradient(180deg,#0a8cbb,#075f7e)}
.rung .lab{margin-top:13px}
.rung .lab b{display:block;font-size:14px;font-weight:800;color:var(--ink)}
.rung .lab span{font-size:12px;color:var(--muted);line-height:1.35;display:block;margin-top:2px}

/* alt grid: FR / MITRE / çıktılar */
.ra-grid{display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:18px;margin-top:34px;margin-bottom:26px}
.ra-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 22px 24px;box-shadow:var(--sh-sm)}
.ra-card h4{font-size:15px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.ra-card ul{list-style:none}
.ra-cardnote{margin-top:13px;font-size:12px;color:var(--faint);line-height:1.5}
.ra-fr li{display:flex;gap:11px;align-items:baseline;padding:6px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.ra-fr li:last-child{border-bottom:none}
.ra-fr b{flex:0 0 auto;min-width:38px;color:var(--acc);font-weight:800;font-size:12.5px;letter-spacing:.02em}
.ra-fr span{color:var(--ink)}
.ra-deliver li{position:relative;padding:7px 0 7px 24px;font-size:13px;color:var(--ink);border-bottom:1px solid var(--line);line-height:1.4}
.ra-deliver li:last-child{border-bottom:none}
.ra-deliver li::before{content:"";position:absolute;left:2px;top:11px;width:11px;height:6px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg)}
.mt-tags{display:flex;flex-wrap:wrap;gap:7px}
.mt-tag{background:var(--accsoft);color:var(--acc);font-size:11.5px;font-weight:600;padding:5px 10px;border-radius:8px}
.ra-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.ra-foot-l{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.ra-tags{display:flex;flex-wrap:wrap;gap:8px}
.ra-tag{background:var(--accsoft);color:var(--acc);font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:30px}

/* reveal-on-scroll (yalnız .js) */
.js .ra-flow .ra-step,.js .ra-formulas .rf,.js .purdue .plv,.js .purdue .pcon,.js .sl-ladder .lab,.js .ra-grid .ra-card{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.ra-flow.in .ra-step,.ra-formulas.in .rf,.purdue.in .plv,.purdue.in .pcon,.sl-ladder.in .lab,.ra-grid.in .ra-card{opacity:1;transform:none}
.js .sl-ladder .bar{height:0;transition:height .8s cubic-bezier(.22,1,.36,1)}
.sl-ladder.in .bar{height:var(--h)}
.ra-flow.in .ra-step:nth-child(1){transition-delay:.04s}
.ra-flow.in .ra-step:nth-child(2){transition-delay:.11s}
.ra-flow.in .ra-step:nth-child(3){transition-delay:.18s}
.ra-flow.in .ra-step:nth-child(4){transition-delay:.25s}
.ra-flow.in .ra-step:nth-child(5){transition-delay:.32s}
.ra-flow.in .ra-step:nth-child(6){transition-delay:.39s}
.ra-flow.in .ra-step:nth-child(7){transition-delay:.46s}
.purdue.in .plv:nth-child(1){transition-delay:.02s}
.purdue.in .pcon:nth-child(2){transition-delay:.10s}
.purdue.in .plv:nth-child(3){transition-delay:.16s}
.purdue.in .pcon:nth-child(4){transition-delay:.24s}
.purdue.in .plv:nth-child(5){transition-delay:.30s}
.purdue.in .pcon:nth-child(6){transition-delay:.38s}
.purdue.in .plv:nth-child(7){transition-delay:.44s}
.sl-ladder.in .rung:nth-child(1) .bar{transition-delay:.05s}
.sl-ladder.in .rung:nth-child(2) .bar{transition-delay:.16s}
.sl-ladder.in .rung:nth-child(3) .bar{transition-delay:.27s}
.sl-ladder.in .rung:nth-child(4) .bar{transition-delay:.38s}
.sl-ladder.in .rung:nth-child(1) .lab{transition-delay:.20s}
.sl-ladder.in .rung:nth-child(2) .lab{transition-delay:.31s}
.sl-ladder.in .rung:nth-child(3) .lab{transition-delay:.42s}
.sl-ladder.in .rung:nth-child(4) .lab{transition-delay:.53s}
.ra-grid.in .ra-card:nth-child(2){transition-delay:.12s}
.ra-grid.in .ra-card:nth-child(3){transition-delay:.24s}
@media(prefers-reduced-motion:no-preference){
  .ra-flow.in::before{background:linear-gradient(90deg,transparent,var(--line) 7%,rgba(43,184,223,.55) 50%,var(--line) 93%,transparent);background-size:220% 100%;animation:raflow 4s linear infinite}
  @keyframes raflow{to{background-position:-220% 0}}
}
@media(prefers-reduced-motion:reduce){
  .js .ra-flow .ra-step,.js .ra-formulas .rf,.js .purdue .plv,.js .purdue .pcon,.js .sl-ladder .lab,.js .ra-grid .ra-card{opacity:1;transform:none;transition:none}
  .js .sl-ladder .bar{height:var(--h);transition:none}
}
@media(max-width:980px){.ra-flow{grid-template-columns:repeat(4,1fr)}.ra-flow::before{display:none}.ra-grid{grid-template-columns:1fr}.ra-formulas{grid-template-columns:1fr}}
@media(max-width:680px){.ra{padding:30px 22px}.ra-flow{grid-template-columns:repeat(2,1fr)}.plv .pe{display:none}.sl-ladder{gap:9px}.rung .lab span{font-size:11px}}

/* EXPERTISE / UZMANLIK — görselli üçlü */
.dom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dom{background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s}
.dom:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.dom-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.dom-img img{width:100%;height:100%;object-fit:cover;display:block}
.dom-img::after{content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(70,205,238,.16),rgba(18,32,54,.34))}
.dom-tag{position:absolute;left:16px;bottom:12px;z-index:2;color:#fff;font-weight:700;font-size:17px;letter-spacing:-.01em;text-shadow:0 1px 10px rgba(0,0,0,.55)}
.dom-body{padding:20px 22px 24px}
.dom-body p{color:var(--muted);font-size:14.5px}
@media(max-width:860px){.dom-grid{grid-template-columns:1fr}}

/* ABOUT — 2 kolon + görsel */
.about-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.about-img{position:relative;border-radius:26px;overflow:hidden;box-shadow:var(--sh);aspect-ratio:4/3}
.about-img img{width:100%;height:100%;object-fit:cover;display:block}
.about-img::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(70,205,238,.18),transparent 55%)}
@media(max-width:860px){.about-grid{grid-template-columns:1fr;gap:32px}.about-img{max-width:480px}}

/* PROCESS — kaydırınca canlanan zaman çizelgesi */
.proc{background:linear-gradient(180deg,var(--bg),var(--bg2))}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s;position:relative}
.steps::before,.steps::after{content:"";position:absolute;top:27px;height:2px;border-radius:2px}
.steps::before{left:10%;right:10%;background:var(--line)}
.steps::after{left:10%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2),var(--acc));background-size:200% 100%;transition:width 1.6s cubic-bezier(.4,0,.2,1) .25s}
.steps.in::after{width:80%;animation:flowline 2.4s linear infinite}
@keyframes flowline{to{background-position:-200% 0}}
.steps .flow{position:absolute;top:22px;left:10%;width:12px;height:12px;border-radius:50%;background:#86e5ff;box-shadow:0 0 14px 4px rgba(70,205,238,.7);z-index:3;opacity:0;pointer-events:none}
.steps.in .flow{animation:flowdot 2.4s cubic-bezier(.45,.05,.55,.95) infinite 1.5s}
@keyframes flowdot{0%{left:10%;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:90%;opacity:0}}
.step{position:relative;text-align:center;counter-increment:s;padding:0 6px}
.step .node{width:54px;height:54px;border-radius:50%;background:var(--card);border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:var(--muted);margin:0 auto 16px;position:relative;z-index:2;box-shadow:var(--sh-sm);transition:transform .55s cubic-bezier(.2,.9,.2,1),opacity .45s,border-color .5s,color .5s,box-shadow .5s}
.step .node::before{content:counter(s)}
.step h5{margin:0 0 6px;font-size:16px;transition:opacity .5s ease,transform .5s ease}
.step p{color:var(--muted);font-size:13px;transition:opacity .5s ease,transform .5s ease}
/* JS aktifse başlangıçta gizle (animasyon için); JS yoksa içerik görünür kalır */
.js .step .node{opacity:0;transform:scale(.5)}
.js .step h5,.js .step p{opacity:0;transform:translateY(12px)}
/* görünür olunca — sırayla pop + reveal */
.steps.in .step .node{opacity:1;transform:scale(1);border-color:var(--acc);color:var(--acc);box-shadow:0 0 0 6px var(--accsoft)}
.steps.in .step h5,.steps.in .step p{opacity:1;transform:none}
.steps.in .step .node{animation:nodeRipple 2.4s ease-out infinite}
.steps.in .step:nth-child(1) .node{animation-delay:1.50s}
.steps.in .step:nth-child(2) .node{animation-delay:1.98s}
.steps.in .step:nth-child(3) .node{animation-delay:2.46s}
.steps.in .step:nth-child(4) .node{animation-delay:2.94s}
.steps.in .step:nth-child(5) .node{animation-delay:3.42s}
@keyframes nodeRipple{0%,18%{box-shadow:0 0 0 5px var(--accsoft)}40%{box-shadow:0 0 0 14px rgba(70,205,238,0)}41%,100%{box-shadow:0 0 0 5px var(--accsoft)}}
.steps.in .step:nth-child(1) .node,.steps.in .step:nth-child(1) h5,.steps.in .step:nth-child(1) p{transition-delay:.10s}
.steps.in .step:nth-child(2) .node,.steps.in .step:nth-child(2) h5,.steps.in .step:nth-child(2) p{transition-delay:.28s}
.steps.in .step:nth-child(3) .node,.steps.in .step:nth-child(3) h5,.steps.in .step:nth-child(3) p{transition-delay:.46s}
.steps.in .step:nth-child(4) .node,.steps.in .step:nth-child(4) h5,.steps.in .step:nth-child(4) p{transition-delay:.64s}
.steps.in .step:nth-child(5) .node,.steps.in .step:nth-child(5) h5,.steps.in .step:nth-child(5) p{transition-delay:.82s}
@media(max-width:860px){.steps{grid-template-columns:repeat(2,1fr);gap:26px 18px}.steps::before,.steps::after,.steps .flow{display:none}}
@media(prefers-reduced-motion:reduce){.js .step .node,.js .step h5,.js .step p{opacity:1;transform:none}.steps.in .step .node,.steps.in::after{animation:none}.steps::after{transition:none}.steps .flow{display:none}}

/* CTA */
/* FAQ */
.faq{background:var(--bg2)}
.faq .sec-head{margin-bottom:34px}
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .18s,box-shadow .18s}
.faq-item[open]{border-color:#c4ccd8;box-shadow:var(--sh)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;letter-spacing:-.01em;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;font-weight:400;color:var(--acc);line-height:1;flex:none;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.65;max-width:74ch}
@media(max-width:560px){.faq-item summary{font-size:15px;padding:16px 18px}.faq-a{padding:0 18px 18px}}

.cta{padding:90px 0}
.cta-box{background:var(--grad);border-radius:34px;padding:64px 48px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--sh-lg)}
.cta-box h2{color:#06222c;font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.cta-box p{color:#093141;font-size:18px;margin-bottom:30px;opacity:.85}
.cta-box .btn-dark{background:#1d1d1f;color:#fff;padding:15px 30px;box-shadow:0 10px 26px -10px rgba(0,0,0,.4)}
.cta-box .btn-dark:hover{transform:translateY(-2px)}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:54px 0 40px;color:var(--muted);background:var(--bg2)}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:36px}
.foot-col h6{color:var(--ink);font-size:14px;margin-bottom:12px;font-weight:700}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.foot-col a:hover{color:var(--ink)}
.foot-social{display:flex;gap:14px;margin-top:16px}
.foot-social a{color:var(--muted);display:inline-flex;transition:.15s}
.foot-social a:hover{color:var(--acc)}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}