/* BİGEL — bigel360.com  |  Kimlik: Inter, Navy #102A43, Teal #00A6A6 */
/* Inter is loaded from Google Fonts with preconnect + <link> in each page's <head> (display=swap), not @import. */

:root{
  --navy:#102A43; --teal:#00A6A6; --ink:#17212B; --light:#F4F7F9; --white:#FFFFFF;
  --muted:#5B6B7A; --line:#DCE5EB; --navy-2:#1B3A5C; --teal-soft:#E3F6F6;
  --green:#1F9D67; --amber:#D99A00; --red:#D64545;
  --clean:#0078F8; --care:#0FA58F; --audit:#6840F0; --field:#00A6A6;
  /* Darker text variants of the brand colours (WCAG AA 4.5:1 on white and on --light) for small text;
     the brand colours stay for fills, dots, borders and buttons. */
  --teal-text:#007A7A; --care-text:#0A7A69; --clean-text:#0066D4; --audit-text:#6840F0; --field-text:#007A7A;
  --radius:16px; --shadow:0 8px 28px rgba(16,42,67,.08);
  --gutter:clamp(16px,5vw,48px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
picture{display:contents}
picture>source{display:none}
a{color:inherit}
h1,h2,h3,h4{color:var(--navy);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(38px,5.4vw,66px);letter-spacing:-.035em;line-height:1.02}
h2{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.03em}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 1em}
.container{width:min(1160px,100% - 2*var(--gutter));margin-inline:auto}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-text);margin-bottom:12px}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:720px}
.muted{color:var(--muted)}
.center{text-align:center}
.section{padding:clamp(56px,8vw,96px) 0}
.section.alt{background:var(--light)}
.section.navy{background:var(--navy);color:#D7E2EC}
.section.navy h2,.section.navy h3{color:#fff}
.section.navy .eyebrow{color:#5FD6D6}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.section-head.center{margin-inline:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;padding:13px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s;font-family:inherit;line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#00908F}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:9px 14px;font-size:13px;border-radius:8px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.link{color:var(--teal-text);font-weight:700;text-decoration:none}
.link:hover{text-decoration:underline}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{flex-shrink:0}
.brand img{width:148px}
.menu{margin-left:auto;display:flex;align-items:center;gap:6px}
.menu>li{list-style:none;position:relative}
.menu ul,.menu{padding:0;margin:0}
.menu a{text-decoration:none;font-size:14px;font-weight:600;padding:10px 12px;border-radius:8px;display:block;color:var(--ink)}
.menu a:hover{background:var(--light);color:var(--navy)}
.menu a.active{color:var(--teal-text)}
.has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-left:8px;position:relative;top:-2px}
.sub{position:absolute;top:100%;left:0;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;display:none;list-style:none}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:flex;align-items:center;gap:12px;padding:10px 12px}
.sub .dot{width:10px;height:10px;border-radius:50%;background:var(--accent,var(--teal));flex:none}
.sub small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-size:12px;font-weight:700}
.lang a{padding:6px 10px;text-decoration:none;color:var(--muted)}
.lang a.on{background:var(--navy);color:#fff}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:42px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{width:18px;height:2px;background:var(--navy);display:block}

/* Hero */
.hero{background:var(--navy) url(img/hero.jpg) center right/cover no-repeat;color:#fff;position:relative;overflow:hidden;padding:clamp(72px,10vw,150px) 0;min-height:min(78vh,720px);display:flex;align-items:center}
.hero{background-image:image-set(url(img/hero.webp) type("image/webp"),url(img/hero.jpg) type("image/jpeg"))}
/* Phones get an 800px-wide hero (under the dark overlay the difference is not visible). */
@media (max-width:840px){.hero{background-image:image-set(url(img/hero-800.webp) type("image/webp"),url(img/hero.jpg) type("image/jpeg"))}}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,42,67,.97) 0%,rgba(16,42,67,.9) 34%,rgba(16,42,67,.45) 62%,rgba(16,42,67,.12) 100%);pointer-events:none}
.hero .container{position:relative;display:block;width:min(1160px,100% - 2*var(--gutter))}
.hero h1{color:#fff;max-width:680px;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero .lead{color:#D6E2EE;max-width:640px}
.hero .eyebrow{color:#5FD6D6}
.hero-sub{margin-top:40px;display:flex;gap:32px;flex-wrap:wrap;color:#B5C7D8;font-size:13px;font-weight:600}
.hero-sub b{color:#fff;display:block;font-size:24px;letter-spacing:-.02em}
@media (max-width:840px){.hero{background-position:72% center;min-height:0}.hero::before{background:linear-gradient(180deg,rgba(16,42,67,.94) 0%,rgba(16,42,67,.86) 100%)}}

/* Score card (kanıt bloğu) */
.scorecard{background:#fff;color:var(--ink);border-radius:20px;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.scorecard .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:16px}
.scorecard .loc{font-weight:700;color:var(--navy)}
.scorecard .loc small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.score{font-size:54px;font-weight:800;color:var(--navy);letter-spacing:-.04em;line-height:1}
.score small{font-size:16px;color:var(--muted);font-weight:600;letter-spacing:0}
.pill{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.pill.green{background:#DDF3E7;color:#12633E}
.pill.amber{background:#FFF1C6;color:#7A5900}
.pill.red{background:#FBE0DE;color:#902A24}
.pill.navy{background:#E3EAF1;color:var(--navy)}
.bars{display:grid;gap:10px}
.bar{display:grid;grid-template-columns:1fr auto;gap:6px 10px;font-size:13px;font-weight:600}
.bar i{grid-column:1/-1;height:7px;background:#E6EDF2;border-radius:99px;overflow:hidden;display:block}
.bar i::before{content:"";display:block;height:100%;width:var(--w);background:var(--c,var(--teal));border-radius:99px}
.scorecard .foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
.scorecard .foot b{color:var(--red)}

/* Grids & cards */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin:0}
.card.accent{border-top:4px solid var(--accent,var(--teal))}
.stat{padding:22px 24px}
.stat .n{font-size:clamp(32px,3.4vw,44px);font-weight:800;color:var(--navy);letter-spacing:-.04em;line-height:1}
.stat p{margin-top:8px;font-size:14px}
.product-card{display:flex;flex-direction:column;gap:14px;position:relative;transition:transform .15s,box-shadow .15s;text-decoration:none}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.product-card img{width:120px;margin:-4px 0 4px}
.product-card .kicker{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent-text,var(--accent))}
.product-card .more{margin-top:auto;color:var(--accent-text,var(--accent));font-weight:700;font-size:14px}
.list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.list li{position:relative;padding-left:28px;color:var(--ink)}
.list li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--accent,var(--teal));opacity:.15}
.list li::after{content:"";position:absolute;left:5px;top:9px;width:5px;height:8px;border-right:2px solid var(--accent,var(--teal));border-bottom:2px solid var(--accent,var(--teal));transform:rotate(45deg)}
.check-list li{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split img{border-radius:var(--radius)}
.photo{border-radius:var(--radius);overflow:hidden;position:relative}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.photo .tag{position:absolute;left:16px;bottom:16px;background:rgba(16,42,67,.85);color:#fff;font-size:12px;font-weight:700;padding:8px 12px;border-radius:8px;backdrop-filter:blur(6px)}

/* Flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
.flow .step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;position:relative}
.flow .step b{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal);align-items:center;justify-content:center;font-size:14px;margin-bottom:12px}
.flow .step h3{font-size:16px;margin-bottom:6px}
.flow .step p{font-size:14px;color:var(--muted);margin:0}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.timeline .card .when{font-size:12px;font-weight:800;color:var(--teal-text);letter-spacing:.1em;text-transform:uppercase}
.timeline ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:14px}

/* Sectors */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sector{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;gap:14px;align-items:flex-start}
.sector svg{width:40px;height:40px;flex:none;color:var(--teal);background:var(--teal-soft);border-radius:10px;padding:8px}
.sector h3{font-size:15px;margin:2px 0 4px}
.sector p{font-size:13px;color:var(--muted);margin:0}

/* Product hero */
.p-hero{padding:clamp(48px,7vw,88px) 0;background:linear-gradient(180deg,var(--light),#fff)}
.p-hero .container{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.p-hero .logo{width:min(260px,40vw);background:#fff;border-radius:20px;padding:20px;border:1px solid var(--line)}
.p-hero .eyebrow{color:var(--accent-text,var(--accent))}
.p-hero h1{font-size:clamp(34px,4.6vw,56px)}
.tagline{font-size:clamp(20px,2.2vw,26px);font-weight:600;color:var(--accent);margin-bottom:14px;letter-spacing:-.02em}
.modules{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.module{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.module b{display:inline-flex;min-width:34px;height:34px;padding:0 8px;border-radius:9px;background:color-mix(in srgb,var(--accent) 12%,#fff);color:var(--accent);align-items:center;justify-content:center;font-size:12px;font-weight:800}
.module h3{font-size:15px;margin:6px 0 4px}
.module p{font-size:14px;color:var(--muted);margin:0}
.sub-product{border:1px solid var(--line);border-radius:20px;padding:clamp(24px,4vw,40px);background:#fff;display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(24px,4vw,48px);align-items:start}
.sub-product img{width:170px}
.weights{display:grid;gap:8px}
.weights .w{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;font-size:14px}
.weights .w b{color:var(--accent);font-weight:800}
.weights .w i{display:block;height:6px;border-radius:99px;background:#E6EDF2;margin-top:6px;overflow:hidden}
.weights .w i::before{content:"";display:block;height:100%;width:var(--w);background:var(--accent);border-radius:99px}
.thresholds{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.thresholds span{font-size:13px;font-weight:700;padding:8px 12px;border-radius:10px}
.thresholds .g{background:#DDF3E7;color:#12633E}.thresholds .a{background:#FFF1C6;color:#7A5900}.thresholds .r{background:#FBE0DE;color:#902A24}

/* Before / after */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ba .card{padding:20px}
.ba .date{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.06em}
.ba .card h4{margin:6px 0}

/* Tiers */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.tier{display:flex;flex-direction:column;gap:14px;padding:22px}
.tier img{width:100%;border-radius:10px;border:1px solid var(--line)}
.tier .name{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--teal-text)}
.tier h3{margin:0}
.tier .who{font-size:14px;color:var(--muted);min-height:44px}
.tier ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:14px;flex:1}
.tier ul li{padding-left:22px;position:relative}
.tier ul li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.tier.featured{border:2px solid var(--teal);position:relative}
.tier.featured::after{content:attr(data-badge);position:absolute;top:-12px;right:18px;background:var(--teal);color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em;padding:4px 10px;border-radius:999px}

/* Table */
.table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{background:var(--light);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.table tr:last-child td{border-bottom:0}
.table-wrap{overflow:auto}

/* Forms */
.form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(20px,3vw,32px)}
.form label{font-size:13px;font-weight:700;color:var(--navy);display:block;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #C9D6E0;border-radius:10px;font:inherit;background:#fff;margin-bottom:16px}
/* Own drop-down arrow, set in from the edge (the browser's sits right against it). */
.form select{-webkit-appearance:none;appearance:none;padding-right:44px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23102A43' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 18px center/12px 8px;cursor:pointer}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
.form textarea{min-height:120px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:16px}
.form .consent input{width:auto;margin:4px 0 0}
.contact-info{display:grid;gap:18px}
.contact-info .card{padding:20px}
.contact-info .card b{display:block;color:var(--navy);margin-bottom:4px}
.contact-info .card p{font-size:14px}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;border-radius:24px;padding:clamp(32px,5vw,56px);display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border:56px solid rgba(0,166,166,.35);border-radius:50%;pointer-events:none;z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff}
.cta-band p{color:#C9D8E6}
.cta-band .btn-row{justify-content:flex-end;margin:0;position:relative}

/* Footer */
.footer{background:var(--navy);color:#B7C7D6;padding:56px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1fr 1fr;gap:28px}
.footer img{width:150px;margin-bottom:14px}
.footer strong{display:block;color:#fff;margin-bottom:12px;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.footer a{color:#D7E2EC;text-decoration:none;display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#7F94A8}
.footer .bottom a{display:inline;padding:0;color:#9FB4C8}

/* Misc */
.note{font-size:13px;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kpi .card{padding:18px 20px;font-size:14px;font-weight:600;color:var(--navy)}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.badge{font-size:12px;font-weight:700;padding:6px 10px;border-radius:8px;background:var(--light);color:var(--navy);border:1px solid var(--line)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.value .ic{width:44px;height:44px;border-radius:12px;background:var(--teal-soft);color:var(--teal);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.value .ic svg{width:22px;height:22px}
.value h3{font-size:17px}
.value p{font-size:14px;color:var(--muted);margin:0}
.map{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.map svg{width:100%;height:auto}
.legend{display:grid;gap:10px;font-size:14px}
.legend span{display:flex;align-items:center;gap:10px}
.legend i{width:12px;height:12px;border-radius:50%;display:inline-block}

/* 4-step flow */
.flow.f4{grid-template-columns:repeat(4,1fr)}

/* Sector landing pages (akaryakıt / şarj istasyonu) */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--teal-text);text-decoration:underline}
.crumbs [aria-current]{color:var(--navy);font-weight:600}
.l-hero .container{grid-template-columns:1fr auto}
.l-icon{width:clamp(120px,14vw,180px);aspect-ratio:1;border-radius:28px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--accent,var(--teal));box-shadow:var(--shadow)}
.l-icon svg{width:46%;height:46%}
.p-hero .slogan{font-size:clamp(18px,1.6vw,22px);font-weight:700;color:var(--navy);margin:-4px 0 12px}
.link-row{display:flex;flex-wrap:wrap;gap:10px 24px;margin:24px 0 0}
.sector h3 a{text-decoration:none;color:inherit}
.sector h3 a:hover{color:var(--teal)}
.sector .sector-links{margin-top:8px;font-size:13px;font-weight:700}
.sector .sector-links a{color:var(--teal-text);text-decoration:none}
.sector .sector-links a:hover{text-decoration:underline}

/* FAQ (details/summary) */
.faq{display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;transition:border-color .15s,box-shadow .15s}
.faq-item[open]{border-color:var(--accent,var(--teal));box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 56px 18px 22px;font-weight:700;color:var(--navy);position:relative;line-height:1.4}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--accent,var(--teal));border-bottom:2px solid var(--accent,var(--teal));transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:14px}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--muted)}

@media (max-width:1000px){
  .flow.f4{grid-template-columns:repeat(2,1fr)}
  .g4,.tiers,.sectors{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero .container{grid-template-columns:1fr}
  .scorecard{max-width:520px}
  .value-grid,.kpi,.timeline{grid-template-columns:1fr 1fr}
}
@media (max-width:840px){
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:10px var(--gutter) 18px;flex-direction:column;align-items:stretch;gap:2px;box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .menu a{padding:12px 10px;font-size:15px}
  .sub{position:static;display:block;border:0;box-shadow:none;padding:0 0 4px 12px}
  .has-sub>a::after{display:none}
  .nav-actions{margin-left:auto}
  .nav-actions .btn{display:none}
  .burger{display:flex;margin-left:0}
  .split,.g2,.g3,.modules,.sub-product,.ba,.cta-band,.map,.p-hero .container,.form .row,.value-grid,.kpi,.timeline{grid-template-columns:1fr}
  .l-icon{display:none}
  .cta-band .btn-row{justify-content:flex-start}
  .p-hero .logo{order:-1;width:200px}
}
@media (max-width:560px){
  .g4,.tiers,.sectors,.flow,.flow.f4,.footer-grid{grid-template-columns:1fr}
  .brand img{width:124px}
  .hero-sub{gap:18px}
}

/* Navy section overrides */
.section.navy .list li{color:#D7E2EC}
.section.navy .list li::before{background:var(--teal);opacity:.25}
.section.navy .list li::after{border-color:#5FD6D6}
.section.navy .lead{color:#C9D8E6}
.menu-cta{display:none}
@media (max-width:840px){.menu-cta{display:block;margin-top:10px}.menu-cta a{color:#fff;text-align:center}}
/* Nav: keep items on one line */
.menu a,.nav-actions .btn{white-space:nowrap}
@media (max-width:1120px) and (min-width:841px){.menu a{font-size:13px;padding:10px 8px}.brand img{width:132px}.nav{gap:12px}}

/* Anchor landing below sticky header */
section[id]{scroll-margin-top:84px}

/* Portal girişi: BİGEL yazılımına (Operasyon Merkezi + müşteri portalı) giden buton */
.btn-portal svg{width:15px;height:15px;flex:none}
@media (max-width:840px){.menu-cta .btn-outline{color:var(--navy);justify-content:center}}

/* Thank-you page after a form is sent */
.thanks{padding:clamp(40px,7vw,96px) 0;background:radial-gradient(900px 420px at 50% -10%,var(--teal-soft),transparent 70%),linear-gradient(180deg,var(--light),#fff)}
.thanks-card{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 60px rgba(16,42,67,.10);padding:clamp(28px,5vw,52px);text-align:center}
.thanks-check{width:76px;height:76px;margin:0 auto 18px}
.thanks-check svg{width:100%;height:100%;fill:none;stroke-linecap:round;stroke-linejoin:round}
.thanks-check circle{fill:var(--teal-soft);stroke:var(--teal);stroke-width:2.5;stroke-dasharray:151;stroke-dashoffset:151;animation:thanks-draw .6s ease-out forwards}
.thanks-check path{stroke:var(--teal);stroke-width:4;stroke-dasharray:40;stroke-dashoffset:40;animation:thanks-draw .4s .45s ease-out forwards}
@keyframes thanks-draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.thanks-check circle,.thanks-check path{animation:none;stroke-dashoffset:0}}
.thanks-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-text);background:var(--teal-soft);border-radius:999px;padding:6px 12px;margin-bottom:14px}
.thanks h1{font-size:clamp(30px,4vw,44px);margin-bottom:.35em}
.thanks .lead{margin:0 auto 28px;font-size:17px}
.thanks-steps{text-align:left;background:var(--light);border-radius:16px;padding:20px 22px;margin-bottom:28px}
.thanks-steps .eyebrow{margin-bottom:10px}
.thanks-steps ol{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.thanks-steps li{display:flex;gap:14px;align-items:flex-start}
.thanks-steps .dot{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--navy)}
.thanks-steps li.done .dot{background:var(--teal);border-color:var(--teal);color:#fff}
.thanks-steps b{display:block;color:var(--navy);font-size:15px}
.thanks-steps p{margin:0;font-size:14px;color:var(--muted)}
.thanks .btn-row{justify-content:center}
.thanks-urgent{margin:22px 0 0;font-size:14px;color:var(--muted)}
.thanks-urgent a{color:var(--teal-text);font-weight:600;text-decoration:none;white-space:nowrap}
.thanks-urgent a:hover{text-decoration:underline}

/* Guide articles and the KVKK notice: one readable column */
.article{max-width:780px}
.article h2{font-size:clamp(24px,2.6vw,30px);margin:44px 0 14px}
.article h2:first-child{margin-top:0}
.article p{font-size:17px;line-height:1.7;color:var(--ink)}
.article .list{margin:6px 0 18px}
.article .link-row{margin:8px 0 8px}
.article-how{margin-top:44px;padding:28px 30px;border-left:3px solid var(--teal);background:var(--light);border-radius:var(--radius)}
.article-how h2{margin-top:0}
.article-meta{font-size:14px;color:var(--muted);margin-top:14px}
.article{overflow-wrap:break-word}
@media (max-width:560px){.article p{font-size:16px}.article-how{padding:20px 18px}.article h2{margin-top:34px}}
.footer address{font-style:normal;color:#D7E2EC;padding:4px 0;line-height:1.5}
.nf-en{font-size:15px;color:var(--muted);margin-top:-4px}
.nf-search{display:block;max-width:520px;margin:0 0 28px}
.nf-search span{display:block;font-weight:700;color:var(--navy);margin-bottom:8px}
.nf-search input{width:100%;padding:12px 14px;border:1px solid #C9D6E0;border-radius:10px;font:inherit;background:#fff}
.nf-search input:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
.nf-list{list-style:none;margin:0;padding:0}
.nf-list li{padding:5px 0}
.nf-list li[hidden],.nf-group[hidden]{display:none}

/* Accessibility: skip link, primary nav landmark, larger tap targets on phones */
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.nav-main{margin-left:auto}
@media (max-width:840px){
  .lang a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px}
  .footer a{min-height:40px;display:flex;align-items:center;padding:0}
  .crumbs a{padding:8px 0}
}
/* Mid widths (small laptops, landscape tablets): the logo must not shrink away, so the portal button shows only its lock icon. */
@media (max-width:1120px) and (min-width:841px){.btn-portal{font-size:0;gap:0;padding:9px 10px}}
@media (max-width:980px) and (min-width:841px){.brand img{width:112px}.menu a{font-size:12.5px;padding:10px 5px}.nav{gap:8px}.nav-actions{gap:6px;margin-left:4px}}