/* muratsogutma.com - industrial cold-chain look, mobile first.
   Palette: the brand guide's ice blue #42A5FF / teal #6DDDD0 (Logo Color Guide.pdf)
   as accents only - they fail AA as text - with navy for text and links.
   Contrast (docs/research/2026-10-13-murat-sogutma-copy-design/02-design.md):
   ink 17.4:1, navy 8.4:1, muted 7.0:1 on white; white on --wa 5.4:1. */
:root{--ink:#0d1b2a;--muted:#4a5b6c;--navy:#0b4f8a;--deep:#0b2e4f;--ice:#e6f3ff;--frost:#f5faff;--brand:#42a5ff;--teal:#6dddd0;--line:#d5e2ef;--wa:#0e7a3e;--wa-hover:#0b6633;--todo:#fff3c4;--todo-ink:#7a5200;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;padding-bottom:76px}
a{color:var(--navy)}
a:focus-visible,.btn:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
img,video{max-width:100%;height:auto;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:9}

/* header */
.top{border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;gap:12px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--deep);margin-right:auto;flex-shrink:0}
.brand img{width:38px;height:38px}
.brand span{display:flex;flex-direction:column;line-height:1.15}
.brand strong{letter-spacing:.06em;text-transform:uppercase;font-size:15px}
.brand small{color:var(--muted);font-size:12px}
.langs{display:flex;gap:2px}
.langs a{font-size:13px;text-decoration:none;padding:6px 8px;border-radius:6px;color:var(--muted);font-weight:600}
.langs a[aria-current]{background:var(--ice);color:var(--navy)}
.menu summary{cursor:pointer;list-style:none;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-weight:600}
.menu summary::-webkit-details-marker{display:none}
.menu ul{list-style:none;margin:0;padding:8px 0}
.menu[open] nav{position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);padding:0 16px;box-shadow:0 12px 24px rgba(11,46,79,.12)}
.menu li a{display:block;padding:12px 0;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}
.menu a[aria-current]{color:var(--navy);font-weight:700}
.mainnav{display:none}
@media (min-width:1240px){
  .menu{display:none}
  .mainnav{display:block}
  .mainnav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0}
  .mainnav a{text-decoration:none;color:var(--ink);font-size:14px;white-space:nowrap;padding:6px 0;border-bottom:2px solid transparent}
  .mainnav a:hover{border-color:var(--brand)}
  .mainnav a[aria-current]{color:var(--navy);font-weight:700;border-color:var(--navy)}
  .bar{flex-wrap:nowrap}
  .brand small{display:none}
  .langs{order:3}
}

/* hero */
.hero{padding:28px 0 8px}
.hero.has-media{display:grid;gap:20px;align-items:center}
.kicker{display:inline-block;margin:0 0 10px;padding:4px 10px;border-radius:999px;background:var(--ice);color:var(--navy);font-size:13px;font-weight:700;letter-spacing:.02em}
h1{font-size:clamp(1.75rem,4.6vw,2.8rem);line-height:1.12;margin:0 0 12px;color:var(--deep);letter-spacing:-.01em}
h2{font-size:clamp(1.25rem,2.6vw,1.6rem);line-height:1.25;margin:0 0 10px;color:var(--deep)}
h3{font-size:1.1rem;margin:12px 0 6px;color:var(--deep)}
.lead{font-size:1.1rem;color:var(--muted);max-width:60ch;margin:0 0 18px}
.hero .actions{margin-top:4px}
.hero-shot,.clip{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--ice);box-shadow:0 18px 40px -18px rgba(11,46,79,.45)}
.hero-shot img,.clip video{width:100%;height:auto}
.clip video{aspect-ratio:540/676;object-fit:cover}
@media (min-width:900px){
  .hero{padding:48px 0 16px}
  .hero.has-media{grid-template-columns:1.1fr .9fr;gap:40px}
  .hero.has-media .hero-shot,.hero.has-media .clip{max-height:560px}
  .hero-shot img{max-height:560px;object-fit:cover}
}

/* trust strip */
.trust{list-style:none;margin:20px 0;padding:14px 16px;display:grid;gap:8px 20px;grid-template-columns:1fr 1fr;background:var(--frost);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius);font-size:14px;font-weight:600;color:var(--deep)}
.trust li{position:relative;padding-left:22px}
.trust li::before{content:"";position:absolute;left:2px;top:.45em;width:10px;height:6px;border-left:3px solid var(--wa);border-bottom:3px solid var(--wa);transform:rotate(-45deg)}
@media (min-width:900px){.trust{grid-template-columns:repeat(4,1fr)}}

main section{margin:36px 0}

/* cards */
.cards{display:grid;gap:16px}
.card{display:flex;flex-direction:column;padding:0 0 18px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);background:#fff;overflow:hidden;transition:box-shadow .15s,transform .15s}
a.card:hover{box-shadow:0 12px 28px -14px rgba(11,46,79,.4);transform:translateY(-2px)}
.card .shot{margin:0;border-radius:0}
.card .shot img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card h3,.card p,.card .more{margin-left:18px;margin-right:18px}
.card p{margin-top:0;color:var(--muted)}
.card .more{margin-top:auto;color:var(--navy);font-weight:700}
.card.plain{padding:4px 0 8px;background:linear-gradient(180deg,var(--frost),#fff)}
.card-blank{aspect-ratio:4/3;background:linear-gradient(135deg,var(--ice),var(--teal))}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.cards{grid-template-columns:repeat(4,1fr)}.cards.two{grid-template-columns:1fr 1fr}}

/* split, figures, gallery */
.split{display:grid;gap:24px;align-items:center}
.split>*{min-width:0}
@media (min-width:760px){.split{grid-template-columns:1.2fr .8fr}}
.shot{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--ice)}
.shot img{width:100%;height:auto}
.split>.shot{max-width:400px;width:100%;justify-self:center}
.split>.shot img{aspect-ratio:4/5;object-fit:cover}
.shot figcaption{font-size:13px;color:var(--muted);padding:8px 10px}
.gallery{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.gallery .shot img{aspect-ratio:4/5;object-fit:cover}
@media (min-width:900px){.gallery{grid-template-columns:repeat(4,1fr)}}

.ticks{padding-left:0;list-style:none}
.ticks li{padding-left:28px;position:relative;margin:8px 0}
.ticks li::before{content:"";position:absolute;left:4px;top:.5em;width:12px;height:7px;border-left:3px solid var(--navy);border-bottom:3px solid var(--navy);transform:rotate(-45deg)}
.media{padding:20px;border:2px dashed var(--line);border-radius:var(--radius);text-align:center;font-size:14px}

/* specs */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.specs{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.specs th,.specs td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.specs tbody tr:last-child th,.specs tbody tr:last-child td{border-bottom:0}
.specs thead th{background:var(--deep);color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.04em}
.specs tbody th{width:42%;font-weight:600;background:var(--frost)}
.note{font-size:13px;color:var(--muted);margin:8px 0 0}

/* steps */
.steps{list-style:none;counter-reset:step;padding:0;margin:0;display:grid;gap:12px}
.steps li{counter-increment:step;position:relative;padding:16px 16px 16px 60px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.steps li::before{content:counter(step);position:absolute;left:16px;top:16px;width:30px;height:30px;border-radius:50%;background:var(--deep);color:#fff;font-weight:700;display:grid;place-items:center}
.steps strong{display:block;color:var(--deep)}
.steps span{color:var(--muted);font-size:15px}
@media (min-width:900px){.steps{grid-template-columns:repeat(4,1fr)}}

/* faq */
.faq details{border:1px solid var(--line);border-radius:10px;margin:8px 0;background:#fff}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:600;color:var(--deep)}
.faq details p{margin:0;padding:0 16px 14px;color:var(--muted)}

/* cta */
.cta{background:linear-gradient(135deg,var(--deep),var(--navy));color:#fff;border-radius:18px;padding:28px 24px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(66,165,255,.35),transparent 70%)}
.cta h2{color:#fff}
.cta p{color:#dceaf7;max-width:60ch}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:10px;background:#fff;color:var(--navy);font-weight:700;text-decoration:none;border:2px solid var(--navy);cursor:pointer}
.btn-wa{background:var(--wa);border-color:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-hover);border-color:var(--wa-hover)}
.btn-ghost{background:transparent}
.cta .btn{border-color:#fff}
.cta .btn-ghost{color:#fff}

/* contact + form */
.contact dl{display:grid;grid-template-columns:max-content 1fr;gap:10px 16px;margin:0;align-items:center}
.contact dt{font-weight:600}
.contact dd{margin:0;overflow-wrap:anywhere}
.contact .num{white-space:nowrap;font-variant-numeric:tabular-nums;margin-left:6px}
.contact-split{align-items:start}
.contact-split>.contact{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--frost)}
.form-wrap{margin:0}
.form-intro{color:var(--muted);margin:0 0 14px}
.lead-form{display:grid;gap:12px}
@media (min-width:600px){.lead-form{grid-template-columns:1fr 1fr}.lead-form .wide{grid-column:1/-1}}
.lead-form label{display:grid;gap:4px;font-weight:600;font-size:14px}
.lead-form input,.lead-form select,.lead-form textarea{font:inherit;padding:11px 12px;border:1px solid #9fb4c8;border-radius:8px;width:100%;background:#fff;min-height:46px}
.lead-form button{font:inherit;font-weight:700}
.form-note{font-size:13px;color:var(--muted);margin:0}
.form-status{font-weight:600;margin:0}
mark.todo{background:var(--todo);color:var(--todo-ink);padding:1px 6px;border-radius:4px;font-size:.9em;border:1px dashed #d9a400}

/* footer */
.foot{margin-top:56px;background:var(--deep);color:#cfdbe8;padding:36px 0 16px}
.foot a{color:#fff}
.foot h2{font-size:1rem;color:#fff}
.foot ul{list-style:none;padding:0}
.foot li{margin:6px 0}
.foot-logo{width:150px;height:auto;margin-bottom:8px}
.foot .cols{display:grid;gap:24px}
@media (min-width:760px){.foot .cols{grid-template-columns:1fr 1fr 2fr}}
.foot .contact dl{grid-template-columns:1fr}
.copy{font-size:13px;color:#8aa0b6;margin-top:24px}

/* sticky action bar: full width on phones, a floating pair on desktop */
.actionbar{position:fixed;left:0;right:0;bottom:0;display:flex;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);z-index:6;box-shadow:0 -6px 18px rgba(11,46,79,.08)}
.actionbar .btn{flex:1;text-align:center}
.actionbar .btn-wa{flex:2}
@media (min-width:960px){body{padding-bottom:0}.actionbar{left:auto;right:20px;bottom:20px;border:0;background:none;padding:0;box-shadow:none}.actionbar .btn{flex:none;box-shadow:0 10px 24px -8px rgba(11,46,79,.5)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}