/* TankerSuBodrum — Aslan Su
   Renkler logodan: lacivert, paslanmaz gri, kırmızı vurgu. Sistem fontu (hız için). */
:root{
  --navy:#0b2a6b;--deep:#071a45;--deepest:#05112e;
  --ink:#0f1d33;--muted:#4f5f78;--line:#dbe2ec;
  --paper:#fff;--steel:#eef2f7;--steel-2:#c6d0de;
  --red:#d0202a;--red-d:#b0161f;--wa:#16a34a;--wa-d:#12873d;--aqua:#2f8fe0;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --r:12px;--bar:64px
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper);padding-bottom:calc(var(--bar) + env(safe-area-inset-bottom,0px))}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
:focus-visible{outline:3px solid var(--aqua);outline-offset:2px}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
h1,h2,h3{line-height:1.12;letter-spacing:-.015em;text-wrap:balance;color:var(--navy)}
h1{font-size:clamp(32px,5.4vw,56px);font-weight:850}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:800}
h3{font-size:20px;font-weight:750}
p+p{margin-top:12px}
.muted{color:var(--muted)}

/* Butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;font-weight:750;font-size:17px;text-decoration:none;border:2px solid transparent;line-height:1.1;text-align:center}
.btn svg{width:22px;height:22px;flex:none}
.btn-call{background:var(--red);color:#fff}.btn-call:hover{background:var(--red-d)}
.btn-wa{background:var(--wa);color:#fff}.btn-wa:hover{background:var(--wa-d)}
.btn-ghost{border-color:currentColor;color:var(--navy);background:transparent}
.btn-sm{min-height:42px;padding:0 16px;font-size:15px}

/* Header */
.header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:850;font-size:20px;letter-spacing:.01em;margin-right:auto}
.logo img{width:44px;height:44px;border-radius:50%}
.logo b{color:var(--red)}
.logo small{display:block;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:0}
.nav{display:flex;gap:22px}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15.5px}
.nav a:hover,.nav a[aria-current=page]{color:var(--red)}
.head-cta{display:flex;gap:8px}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:46px;height:46px;border-radius:10px;border:1px solid var(--line)}
.menu summary::-webkit-details-marker{display:none}
.menu summary span,.menu summary span::before,.menu summary span::after{display:block;width:20px;height:2px;background:var(--navy);position:relative;content:""}
.menu summary span::before{position:absolute;top:-6px}.menu summary span::after{position:absolute;top:6px}
.menu-panel{position:absolute;right:0;top:54px;width:min(300px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 20px 40px -20px rgba(7,26,69,.4);padding:8px;display:grid}
.menu-panel a{padding:12px 14px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600}
.menu-panel a:hover{background:var(--steel)}

/* Hero */
.hero{background:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1.2px,transparent 1.6px) 0 0/14px 14px,radial-gradient(800px 480px at 85% 20%,#1a4fc4,transparent 65%),linear-gradient(170deg,var(--navy),var(--deep));color:#fff}
.hero-in{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;padding:48px 0 56px}
.hero h1{color:#fff}
.hero .kicker{font-weight:700;color:#ffd7d9;font-size:17px;margin-bottom:12px}
.hero .lead{font-size:clamp(17px,1.8vw,20px);color:#d4e0f7;margin-top:16px;max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-phone{margin-top:18px;color:#c9d8f5;font-size:16px}
.hero-phone a{color:#fff;font-weight:800;font-size:22px;text-decoration:none;white-space:nowrap}
.hero-img{justify-self:center;width:100%;max-width:360px}
.hero-img img{border-radius:24px;box-shadow:0 30px 60px -25px rgba(0,0,0,.7)}
.hero.sub .hero-in{grid-template-columns:1fr;padding:28px 0 44px}
.hero.sub h1{font-size:clamp(30px,4.6vw,48px)}

/* Breadcrumb */
.crumbs{font-size:14px;color:#b9c9ea;margin-bottom:14px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;opacity:.7}
.crumbs a{color:#fff}

/* Avantaj şeridi */
.perks{background:var(--steel);border-bottom:1px solid var(--line)}
.perks ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 28px;padding:16px 0;font-weight:650;font-size:15.5px;color:var(--navy)}
.perks li{display:flex;align-items:center;gap:8px}
.perks li::before{content:"";width:18px;height:18px;flex:none;border-radius:50%;background:var(--wa) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}

/* Bölümler */
.section{padding:64px 0}
.section.alt{background:var(--steel)}
.section-head{max-width:46em;margin-bottom:32px}
.section-head p{color:var(--muted);margin-top:10px}
.prose{max-width:46em}
.prose h2{margin:40px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{margin:26px 0 8px}
.prose ul{margin:12px 0 0 22px}
.prose li+li{margin-top:6px}
.prose p{margin-top:12px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}
.aside{position:sticky;top:90px;background:var(--steel);border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;gap:12px}
.aside h2{font-size:22px}
.aside p{color:var(--muted);font-size:15.5px}
.aside .big{font-size:28px;font-weight:850;color:var(--navy);text-decoration:none}

/* Hizmet kartları */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{display:grid;gap:8px;align-content:start;padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .2s}
.card:hover{border-color:var(--navy)}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:#fff1f1;color:var(--red);margin-bottom:6px}
.card .ico svg{width:26px;height:26px}
.card p{color:var(--muted);font-size:15.5px}
.card .more{font-weight:700;color:var(--navy);margin-top:4px}

/* Adımlar */
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.steps li{counter-increment:s;display:grid;gap:6px}
.steps li::before{content:counter(s);width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:20px;display:grid;place-items:center;margin-bottom:6px}
.steps p{color:var(--muted)}

/* Bölge çipleri */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:8px 14px;border:1px solid var(--steel-2);border-radius:999px;background:#fff;font-weight:600;font-size:15px;color:var(--navy)}
.region-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.region{border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff}
.region h3{margin-bottom:8px}
.region p{color:var(--muted);font-size:16px}
.region .chips{margin-top:14px}

/* Referanslar */
.refs{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(170px,42vw),1fr));gap:12px}
.ref{display:grid;justify-items:center;align-content:center;gap:10px;min-height:140px;padding:20px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;text-align:center;font-weight:600;font-size:15px}
.ref img{width:auto;height:56px;max-width:140px;object-fit:contain}
.ref-ph{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--steel);color:var(--navy);font-weight:850;font-size:22px}

/* SSS */
.faq{max-width:52em}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-weight:700;font-size:17.5px;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:26px;line-height:1;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;color:var(--muted)}

/* CTA bandı */
.cta-band{background:linear-gradient(170deg,var(--navy),var(--deep));color:#fff;padding:48px 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff}
.cta-band p{color:#c9d8f5;margin-top:6px}
.cta-band .btns{display:flex;flex-wrap:wrap;gap:12px}

/* İlgili hizmetler */
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.related a{padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--steel-2);text-decoration:none;font-weight:650;font-size:15px}
.related a:hover{border-color:var(--navy)}

/* Hesaplayıcı */
.calc{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.calc label{display:grid;gap:6px;font-weight:650;font-size:14px;color:var(--navy)}
.calc input{font:inherit;font-size:20px;font-weight:700;padding:10px 12px;border:1.5px solid var(--steel-2);border-radius:10px;width:100%;font-variant-numeric:tabular-nums}
.calc-out{margin-top:16px;padding:18px 20px;border-radius:12px;background:var(--navy);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.calc-out strong{font-size:30px;font-variant-numeric:tabular-nums}
.calc-box{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff;margin-top:24px}

/* İletişim */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.big-phone{display:inline-block;font-size:clamp(34px,6vw,52px);font-weight:900;color:var(--navy);text-decoration:none;letter-spacing:-.01em;border-bottom:4px solid var(--red);line-height:1.15;white-space:nowrap}
.info{list-style:none;margin-top:24px}
.info li{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.info span{color:var(--muted);font-weight:600}
.form{display:grid;gap:14px;border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff;box-shadow:0 24px 50px -36px rgba(7,26,69,.5)}
.form label{display:grid;gap:6px;font-weight:650;font-size:14.5px;color:var(--navy)}
.form input,.form select,.form textarea{font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--steel);width:100%;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--aqua);background:#fff;outline:none}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .btn{width:100%;font-family:inherit;cursor:pointer}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.notice{padding:14px 16px;border-radius:10px;font-weight:650}
.notice.ok{background:#e6f8ee;color:#126133}
.notice.err{background:#fde8e9;color:#a1141c}

/* Footer */
.footer{background:var(--deepest);color:#a9b8d6;padding:48px 0 28px;font-size:15.5px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.footer h2{font-size:16px;color:#fff;margin-bottom:12px}
.footer ul{list-style:none;display:grid;gap:8px}
.footer a{color:#dfe7f7;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;font-size:14px}

/* Mobil sabit CTA */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;grid-template-columns:1fr 1fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px -12px rgba(7,26,69,.35)}
.mbar a{min-height:48px;border-radius:12px;font-size:16px}

@media (max-width:1020px){
  .nav{display:none}.menu{display:block}
  .cards{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .aside{position:static}
}
@media (max-width:760px){
  body{font-size:16.5px}
  .head-cta{display:none}
  .mbar{display:grid}
  .hero-in{grid-template-columns:1fr;gap:24px;padding:28px 0 36px}
  .hero-img{display:none}
  .hero-cta .btn{flex:1 1 100%}
  .cards,.steps,.region-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .calc{grid-template-columns:1fr 1fr}
  .form .row{grid-template-columns:1fr}
  .info li{grid-template-columns:96px 1fr}
}
@media (min-width:761px){body{padding-bottom:0}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}