:root{
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --panel:#10151C;
  --panel-2:#171E28;
  --ink:#11151C;
  --muted:#5B6472;
  --muted-on-panel:#8B95A5;
  --line:#E3E6EC;
  --line-on-panel:#2A3340;
  --accent:#2F6FED;
  --accent-ink:#1B4FC4;
  --led-green:#1FCB6B;
  --led-amber:#FF9F1C;
  --led-red:#FF4D4D;
  --radius:14px;
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.15;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.mono{font-family:'IBM Plex Mono',monospace;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
section{padding:80px 0;}
@media (max-width:720px){ section{padding:56px 0;} .wrap{padding:0 20px;} }

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:500;}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--led-green);box-shadow:0 0 0 3px rgba(31,203,107,.18);}

.led{width:8px;height:8px;border-radius:50%;flex-shrink:0;position:relative;}
.led::after{content:"";position:absolute;inset:-4px;border-radius:50%;opacity:.35;}
.led.green{background:var(--led-green);} .led.green::after{background:var(--led-green);}
.led.amber{background:var(--led-amber);} .led.amber::after{background:var(--led-amber);}
.led.red{background:var(--led-red);} .led.red::after{background:var(--led-red);}
.led.pulse::after{animation:ledpulse 2.2s ease-in-out infinite;}
@keyframes ledpulse{0%,100%{transform:scale(1);opacity:.35;}50%{transform:scale(1.9);opacity:0;}}
@media (prefers-reduced-motion: reduce){ .led.pulse::after{animation:none;} .flowdot{animation:none !important;opacity:0 !important;} }

header{position:sticky;top:0;z-index:50;background:rgba(245,246,248,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;letter-spacing:-.01em;}
.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--panel);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.logo-mark svg{width:16px;height:16px;}
.navlinks{display:flex;align-items:center;gap:30px;}
.navlinks a{font-size:14.5px;font-weight:500;color:var(--ink);opacity:.82;transition:opacity .15s;}
.navlinks a:hover,.navlinks a.active{opacity:1;}
.nav-right{display:flex;align-items:center;gap:16px;}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:'Inter',sans-serif;font-weight:600;font-size:14.5px;padding:11px 20px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:transform .15s, background .15s, border-color .15s;}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-ink);}
.btn-ghost{border-color:var(--line);background:var(--surface);color:var(--ink);}
.btn-ghost:hover{border-color:#c7cbd4;}
@media (max-width:940px){ .navlinks{display:none;} }

.hero{padding:76px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
@media (max-width:940px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{font-size:clamp(30px,4.2vw,50px);margin:18px 0 22px;}
.hero h1 em{font-style:normal;color:var(--accent-ink);}
.hero p.lead{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;}
.hero-meta div{font-size:13px;color:var(--muted);}
.hero-meta strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:22px;color:var(--ink);font-weight:600;}

.signal-card{background:var(--panel);border-radius:20px;padding:34px 26px;position:relative;overflow:hidden;}
.signal-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 0%, rgba(47,111,237,.22), transparent 55%);}
.signal-title{color:var(--muted-on-panel);font-size:11.5px;letter-spacing:.12em;position:relative;z-index:1;margin-bottom:22px;display:block;}
.signal-svg-wrap{position:relative;z-index:1;}
.signal-node{fill:var(--panel-2);stroke:var(--line-on-panel);stroke-width:1;}
.signal-node-label{fill:#fff;font-family:'IBM Plex Mono',monospace;font-size:11px;}
.signal-node-sub{fill:var(--muted-on-panel);font-family:'IBM Plex Mono',monospace;font-size:9px;}
.signal-path{fill:none;stroke:var(--line-on-panel);stroke-width:1.5;}
.signal-pulse{fill:var(--accent);filter:drop-shadow(0 0 6px var(--accent));}
.flowdot{animation:flowmove 4.5s linear infinite;}
@keyframes flowmove{0%{offset-distance:0%;opacity:0;}5%{opacity:1;}95%{opacity:1;}100%{offset-distance:100%;opacity:0;}}

.strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.strip .wrap{padding:24px 32px;}
.strip-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14.5px;color:var(--muted);}
.strip-row b{color:var(--ink);font-weight:600;}
.strip-sep{width:4px;height:4px;border-radius:50%;background:var(--line);opacity:0;}
@media(min-width:640px){.strip-sep{opacity:1;}}

.sec-head{max-width:660px;margin-bottom:48px;}
.sec-head h2,.sec-head h1{font-size:clamp(26px,3.2vw,38px);margin-top:14px;}
.sec-head p{color:var(--muted);font-size:16.5px;margin-top:14px;}
.sec-head.on-panel p{color:var(--muted-on-panel);}
.sec-head.centered{margin-left:auto;margin-right:auto;text-align:center;}

.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
@media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.svc-grid{grid-template-columns:1fr;}}
.svc-card{background:var(--surface);padding:28px 24px;transition:background .15s;}
.svc-card:hover{background:#FBFBFD;}
.svc-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;}
.svc-icon{width:42px;height:42px;border-radius:10px;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.svc-icon svg{width:20px;height:20px;stroke:var(--accent-ink);}
.svc-card h3{font-size:17px;margin-bottom:9px;}
.svc-card p{color:var(--muted);font-size:14.5px;}

.intent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
@media(max-width:900px){.intent-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.intent-grid{grid-template-columns:1fr;}}

.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start;}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:34px;}}
.about-panel{background:var(--panel);border-radius:18px;padding:26px;color:#fff;}
.about-panel .row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line-on-panel);font-size:14px;}
.about-panel .row:last-child{border-bottom:none;}
.about-panel .row span:first-child{color:var(--muted-on-panel);}
.about-panel .row span:last-child{font-family:'IBM Plex Mono',monospace;font-weight:500;text-align:right;}
.about-body p{color:var(--muted);font-size:16.5px;margin-bottom:18px;}
.about-body p:last-child{margin-bottom:0;}
.about-body strong{color:var(--ink);}

.panel-section{background:var(--panel);color:#fff;}
.brand-note{display:flex;gap:10px;align-items:flex-start;background:var(--panel-2);border:1px solid var(--line-on-panel);border-radius:12px;padding:16px 18px;margin-bottom:40px;font-size:13.5px;color:var(--muted-on-panel);max-width:720px;}
.brand-note svg{width:16px;height:16px;flex-shrink:0;margin-top:2px;stroke:var(--led-amber);}
.brand-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-on-panel);border:1px solid var(--line-on-panel);border-radius:var(--radius);overflow:hidden;}
@media(max-width:900px){.brand-groups{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.brand-groups{grid-template-columns:1fr;}}
.brand-group{background:var(--panel-2);padding:22px 20px;}
.brand-group h4{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;color:var(--muted-on-panel);text-transform:uppercase;margin-bottom:12px;font-weight:500;}
.brand-group .names{font-size:14.5px;line-height:1.75;color:#EAEDF2;}

.process-list{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
@media(max-width:940px){.process-list{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.process-list{grid-template-columns:1fr;}}
.process-step{position:relative;padding-top:18px;border-top:2px solid var(--line);}
.process-step.active-step{border-top-color:var(--accent);}
.process-num{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--accent-ink);margin-bottom:14px;display:block;}
.process-step h3{font-size:16px;margin-bottom:8px;}
.process-step p{font-size:13.5px;color:var(--muted);}

.ref-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.ref-grid{grid-template-columns:1fr;}}
.ref-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--surface);display:flex;flex-direction:column;height:100%;}
.ref-tag{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--accent-ink);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;}
.ref-card h3{font-size:17px;margin-bottom:10px;}
.ref-card p{color:var(--muted);font-size:14.5px;flex-grow:1;}
.ref-soon{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media(max-width:900px){.blog-grid{grid-template-columns:1fr;}}
.blog-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);}
.blog-thumb{height:130px;background:linear-gradient(135deg,var(--panel),var(--panel-2));position:relative;}
.blog-thumb .led{position:absolute;top:16px;left:16px;}
.blog-body{padding:20px;}
.blog-cat{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--accent-ink);letter-spacing:.08em;text-transform:uppercase;}
.blog-card h3{font-size:16.5px;margin:12px 0 8px;}
.blog-card p{font-size:13.5px;color:var(--muted);}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:36px;}}
.contact-info-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);}
.contact-info-item:first-child{padding-top:0;}
.contact-info-item .ic{width:38px;height:38px;border-radius:9px;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-info-item .ic svg{width:17px;height:17px;stroke:var(--accent-ink);}
.contact-info-item h4{font-size:14px;margin-bottom:4px;}
.contact-info-item p{font-size:14px;color:var(--muted);}
form.contact-form{display:grid;gap:16px;}
.form-row2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:560px){.form-row2{grid-template-columns:1fr;}}
label{font-size:13px;font-weight:600;margin-bottom:7px;display:block;}
input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:'Inter',sans-serif;font-size:14.5px;background:var(--surface);color:var(--ink);}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent);}
textarea{resize:vertical;min-height:110px;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:2px;}

/* il/ilçe pages */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--accent-ink);}
.il-badge{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;margin-bottom:18px;}
.il-content{max-width:760px;}
.il-content h2{font-size:22px;margin:40px 0 14px;}
.il-content p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.faq{margin-top:16px;}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-item:first-child{padding-top:0;}
.faq-item h3{font-size:16px;margin-bottom:8px;}
.faq-item p{color:var(--muted);font-size:15px;}
.il-grid-links{display:grid;grid-template-columns:repeat(4,1fr);gap:8px 16px;margin-top:18px;}
@media(max-width:760px){.il-grid-links{grid-template-columns:repeat(2,1fr);}}
.il-grid-links a{font-size:13.5px;color:var(--accent-ink);padding:4px 0;}
.il-grid-links a:hover{text-decoration:underline;}

.brand-subhead{display:flex;align-items:center;gap:10px;margin:40px 0 18px;}
.brand-subhead:first-of-type{margin-top:0;}
.brand-subhead h2{font-size:19px;}

.product-filter-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:36px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);}
.product-filter-search{flex:1;min-width:200px;position:relative;}
.product-filter-search input{padding-left:38px;}
.product-filter-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--muted);}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.filter-chip{font-family:'IBM Plex Mono',monospace;font-size:12.5px;padding:7px 14px;border-radius:20px;border:1px solid var(--line);background:var(--bg);color:var(--muted);cursor:pointer;transition:all .15s;}
.filter-chip:hover{border-color:var(--accent);}
.filter-chip.active{background:var(--accent);border-color:var(--accent);color:#fff;}
.no-results{text-align:center;padding:40px 0;color:var(--muted);display:none;}

/* ---------- PRODUCT DETAIL PAGE ---------- */
.product-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
@media(max-width:900px){.product-grid{grid-template-columns:1fr;gap:32px;}}
.product-visual{
  aspect-ratio:1/1;border-radius:18px;background:var(--panel);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.product-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%, rgba(47,111,237,.25), transparent 60%);}
.product-visual .pv-icon{width:36%;height:36%;stroke:#fff;opacity:.9;position:relative;z-index:1;}
.product-visual .pv-badge{position:absolute;top:18px;left:18px;background:rgba(255,255,255,.1);border:1px solid var(--line-on-panel);color:#fff;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;padding:5px 12px;border-radius:20px;z-index:1;}
.product-visual .pv-note{position:absolute;bottom:16px;left:0;right:0;text-align:center;font-size:11.5px;color:var(--muted-on-panel);z-index:1;}
.product-visual .pv-photo{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;}

.product-brand-badge{display:inline-flex;align-items:center;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--accent-ink);background:#EEF3FE;border-radius:20px;padding:6px 14px;margin-bottom:14px;font-weight:600;}
.product-title{font-size:clamp(24px,3.2vw,34px);margin-bottom:16px;}
.product-desc{color:var(--muted);font-size:16.5px;line-height:1.7;margin-bottom:28px;}

.quick-contact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:28px;}
@media(max-width:520px){.quick-contact-row{grid-template-columns:1fr;}}
.qc-btn{display:flex;flex-direction:column;align-items:center;gap:6px;border:1px solid var(--line);border-radius:12px;padding:14px 8px;background:var(--surface);text-align:center;transition:border-color .15s, transform .15s;}
.qc-btn:hover{border-color:var(--accent);transform:translateY(-1px);}
.qc-btn svg{width:20px;height:20px;stroke:var(--accent-ink);}
.qc-btn span{font-size:12px;font-weight:600;}
.qc-btn.whatsapp svg{stroke:#1FCB6B;}

.product-quote-form{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--surface);}
.product-quote-form h3{font-size:16px;margin-bottom:4px;}
.product-quote-form .pqf-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}

footer{background:var(--panel);color:#fff;padding:60px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;margin-bottom:48px;}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr;}}
footer .logo{color:#fff;margin-bottom:14px;}
footer .logo-mark{background:var(--accent);}
.foot-desc{color:var(--muted-on-panel);font-size:14px;max-width:280px;}
.foot-col h5{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-on-panel);margin-bottom:16px;font-weight:500;}
.foot-col a{display:block;color:#D9DEE7;font-size:14px;margin-bottom:11px;}
.foot-col a:hover{color:#fff;}
.foot-social{display:flex;gap:10px;margin-top:6px;}
.foot-social a{width:36px;height:36px;border-radius:9px;border:1px solid var(--line-on-panel);display:flex;align-items:center;justify-content:center;}
.foot-social a svg{width:16px;height:16px;stroke:#fff;}
.foot-bottom{border-top:1px solid var(--line-on-panel);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted-on-panel);}

/* ---------- TOOLS / CALCULATORS ---------- */
.tool-index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:8px;}
@media(max-width:900px){.tool-index-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.tool-index-grid{grid-template-columns:1fr;}}
.tool-index-item{background:var(--surface);padding:20px 18px;display:block;transition:background .15s;}
.tool-index-item:hover{background:#FBFBFD;}
.tool-index-item .ti-cat{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);display:block;margin-bottom:6px;}
.tool-index-item .ti-title{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:15px;}
.tool-index-item .ti-arrow{color:var(--muted);font-size:13px;}

.calc-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:28px;margin-bottom:20px;scroll-margin-top:90px;}
.calc-card h3{font-size:19px;margin-bottom:6px;}
.calc-desc{color:var(--muted);font-size:14px;margin-bottom:20px;}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:18px;}
.calc-grid label{font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.calc-result{background:var(--panel);color:#fff;border-radius:10px;padding:16px 18px;font-family:'IBM Plex Mono',monospace;font-size:15px;display:flex;flex-wrap:wrap;gap:8px 24px;}
.calc-result b{color:#8FB3FF;font-size:17px;}
.calc-note{font-size:12px;color:var(--muted);margin-top:12px;}
.calc-section-title{margin:56px 0 20px;}
.calc-section-title:first-of-type{margin-top:0;}

::selection{background:var(--accent);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}