/* Tasarım dili fedensolar.com'dan uyarlandı: Plus Jakarta Sans, krem zemin, amber-turuncu geçiş, yuvarlak kartlar */
:root{
  --bg:hsl(45 30% 98%);--bg-2:hsl(45 40% 95%);--surface:#fff;
  --fg:hsl(220 25% 15%);--muted:hsl(220 15% 42%);--muted-bg:hsl(45 20% 94%);--line:hsl(45 20% 88%);
  --sun:hsl(38 92% 50%);--sun-2:hsl(28 95% 55%);
  --grad-sun:linear-gradient(135deg,var(--sun) 0%,var(--sun-2) 100%);
  --sun-soft:hsl(38 92% 50% / .12);
  --hl:hsl(28 90% 45%);          /* açık zeminde büyük başlık vurgusu (≥3:1) */
  --sun-text:hsl(28 85% 36%);    /* açık zeminde küçük turuncu metin (≥4.5:1) */
  --blue:hsl(210 65% 45%);--green:hsl(142 55% 38%);
  --ink:hsl(220 25% 15%);--ink-2:hsl(220 22% 21%);--ink-line:rgba(255,255,255,.12);
  --shadow-soft:0 4px 20px -4px hsl(220 25% 15% / .08);
  --shadow-card:0 8px 30px -8px hsl(220 25% 15% / .12);
  --r:20px;--r-md:14px;--r-sm:10px;
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:400 1.0625rem/1.7 var(--font);color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
h1,h2,h3{line-height:1.12;letter-spacing:-.025em;margin:0;font-weight:800}
p{margin:0}
.wrap{max-width:1232px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--sun);color:var(--fg);padding:8px 12px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--sun);outline-offset:3px}

/* ---------- butonlar ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem/1 var(--font);padding:17px 28px;border-radius:12px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn svg{width:18px;height:18px}
/* koyu metin: beyaz metin turuncu zeminde okunabilirlik eşiğini geçmiyor */
.btn-sun{background:var(--grad-sun);color:var(--fg);box-shadow:0 8px 24px -10px hsl(28 95% 50% / .6)}
.btn-sun:hover{transform:translateY(-1px);box-shadow:0 12px 28px -10px hsl(28 95% 50% / .7)}
.btn-ghost{color:#fff;background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{color:var(--sun-text);background:transparent;box-shadow:inset 0 0 0 2px var(--sun);width:100%}
.btn-outline:hover{background:var(--sun-soft)}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;height:76px;gap:32px}
.logo{display:inline-flex;align-items:center;text-decoration:none;line-height:1}
.logo img{display:block;height:46px;width:auto}
footer .logo img{height:52px}
.menu{display:flex;gap:30px;list-style:none;margin:0 0 0 auto;padding:0}
.menu a{text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem}
.menu a:hover{color:var(--fg)}
.top .btn{padding:12px 20px;font-size:.92rem}
.top-tel{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:.95rem;color:var(--fg);white-space:nowrap}
.top-tel svg{width:18px;height:18px;color:var(--sun-text)}
.menu a,.top .btn{white-space:nowrap}
.burger{display:none;margin-left:auto;background:none;border:0;color:var(--fg);padding:8px;cursor:pointer}
.burger svg{width:26px;height:26px}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background:var(--ink);overflow:hidden}
.hero > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,hsl(215 45% 12% / .94) 0%,hsl(215 45% 14% / .82) 34%,hsl(215 45% 14% / .15) 64%,transparent 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:112px;padding-bottom:112px}
.badge{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem;padding:10px 20px;border-radius:999px;background:hsl(38 60% 45% / .35);border:1px solid hsl(38 92% 50% / .35);color:#fff;backdrop-filter:blur(6px);margin-bottom:24px}
.badge svg{width:18px;height:18px;color:var(--sun)}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.3rem);max-width:640px}
.hero h1 em{font-style:normal;background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:1.2rem;color:rgba(255,255,255,.85);max-width:520px;margin-top:22px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.stats{display:flex;gap:44px;flex-wrap:wrap;list-style:none;padding:0;margin:52px 0 0}
.stats li{display:flex;align-items:center;gap:14px}
.si{width:56px;height:56px;border-radius:16px;background:hsl(38 92% 50% / .22);display:grid;place-items:center;flex:none}
.si svg{width:26px;height:26px;color:var(--sun)}
.stats b{display:block;font-size:1.75rem;font-weight:800;line-height:1.1}
.stats small{font-size:.92rem;color:rgba(255,255,255,.78)}
.cap{position:absolute;right:12px;bottom:12px;z-index:2;font:500 .7rem/1 var(--font);background:rgba(15,23,42,.7);color:rgba(255,255,255,.85);padding:6px 8px;border-radius:6px}

/* ---------- bölüm ---------- */
section{padding:112px 0}
.label{display:inline-block;font-weight:600;font-size:.85rem;color:var(--sun-text);background:var(--sun-soft);padding:6px 16px;border-radius:999px;margin-bottom:18px}
.h2{font-size:clamp(2rem,3.8vw,3rem)}
.hl{color:var(--hl)}
.lead{font-size:1.12rem;color:var(--muted);margin-top:16px;max-width:600px}
.head{margin-bottom:60px;max-width:760px}
.head.center{text-align:center;margin-left:auto;margin-right:auto}
.head.center .lead{margin-left:auto;margin-right:auto}
.white{background:var(--surface)}
.navy{background:var(--ink);color:#fff}
.navy .label{color:#ffd48a;background:hsl(38 92% 50% / .16)}
.navy .hl{background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.navy .lead{color:rgba(255,255,255,.75)}

/* nasıl çalışır: numara rozetli kartlar */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none;padding:0;margin:0}
.how-step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;box-shadow:var(--shadow-soft)}
.how-step .no{position:absolute;top:-14px;right:20px;width:40px;height:40px;border-radius:12px;background:var(--grad-sun);color:var(--fg);font-weight:800;font-size:.9rem;display:grid;place-items:center;box-shadow:0 6px 16px -6px hsl(28 95% 50% / .6)}
.how .ico{width:60px;height:60px;border-radius:16px;background:var(--sun-soft);display:grid;place-items:center;margin-bottom:22px}
.how .ico svg{width:30px;height:30px;color:var(--sun-text)}
.how h3{font-size:1.25rem;margin-bottom:8px}
.how p{color:var(--muted)}
.how-note{margin:48px auto 0;max-width:760px;text-align:center;padding:20px 28px;border-radius:var(--r-md);background:var(--bg-2);border:1px solid var(--line)}

/* sistemler */
.choose{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.opt{background:var(--surface);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.diag{display:flex;align-items:flex-start;justify-content:center;gap:10px;padding:36px 20px 30px;background:hsl(142 55% 42% / .1)}
.diag.hyb{background:hsl(210 65% 45% / .1)}
.diag.ong{background:var(--sun-soft)}
.diag.ong i svg{color:var(--sun-text)}
.diag .n{display:flex;flex-direction:column;align-items:center;gap:10px;font-weight:600;font-size:.88rem}
.diag i{width:62px;height:62px;border-radius:16px;background:var(--surface);display:grid;place-items:center;box-shadow:var(--shadow-soft)}
.diag i svg{width:28px;height:28px;color:var(--green)}
.diag.hyb i svg{color:var(--blue)}
.diag .ar{padding-top:20px;color:var(--muted)}
.diag .ar svg{width:20px;height:20px}
.opt .body{padding:32px;display:flex;flex-direction:column;flex:1}
.opt .q{font-weight:600;color:var(--muted);font-size:.95rem}
.opt h3{font-size:1.75rem;margin:6px 0 12px}
.opt .body > p:not(.q){color:var(--muted)}
.ticks{list-style:none;padding:0;margin:22px 0 30px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--sun)}
.opt .btn{margin-top:auto}
.opt .note{font-size:.88rem;color:var(--muted);background:var(--muted-bg);border-radius:10px;padding:10px 14px;margin:-12px 0 24px}
/* üç kartta şema daha sıkı */
.choose.three{grid-template-columns:repeat(3,1fr);gap:24px}
.three .diag{gap:6px;padding:30px 12px 26px}
.three .diag i{width:52px;height:52px;border-radius:14px}
.three .diag i svg{width:24px;height:24px}
.three .diag .ar{padding-top:15px}
.three .opt .body{padding:28px}
.three .opt h3{font-size:1.5rem}

/* hesaplayıcı */
.calc{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.devices{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-soft)}
.dev-row{display:grid;grid-template-columns:1fr 116px 108px;gap:16px;align-items:center;padding:14px 24px;border-bottom:1px solid var(--line)}
.dev-row:last-child{border-bottom:0}
.dev-row.hd{background:var(--muted-bg);font-weight:700;font-size:.82rem;color:var(--muted)}
.dev-name b{display:block;font-weight:600;font-size:.98rem}
.dev-name span{font-size:.82rem;color:var(--muted)}
.step{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.step button{width:36px;height:38px;border:0;background:var(--muted-bg);font:600 1.1rem/1 var(--font);cursor:pointer;color:var(--fg)}
.step button:hover{background:var(--line)}
.step input,.hrs input{width:100%;border:0;text-align:center;font:700 .98rem var(--font);height:38px;background:var(--surface);color:var(--fg);-moz-appearance:textfield}
.step input::-webkit-inner-spin-button,.hrs input::-webkit-inner-spin-button{-webkit-appearance:none}
.hrs{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding-right:12px}
.hrs span{font-size:.82rem;color:var(--muted)}
.dev-row.zero .dev-name{opacity:.5}
.result{position:sticky;top:100px;background:var(--ink);color:#fff;border-radius:var(--r);padding:32px;box-shadow:var(--shadow-card)}
.result h3{font-size:1.2rem}
.backup{margin:20px 0 24px}
.backup fieldset{border:0;padding:0;margin:0}
.backup legend{font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:10px;padding:0}
.seg{display:flex;gap:6px}
.seg label{flex:1;position:relative}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:10px 6px;border:1px solid var(--ink-line);border-radius:10px;font-size:.88rem;cursor:pointer;color:rgba(255,255,255,.85)}
.seg input:checked + span{background:var(--grad-sun);border-color:transparent;color:var(--fg);font-weight:700}
.seg input:focus-visible + span{outline:2px solid var(--sun);outline-offset:2px}
.out{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
.out div{background:var(--ink-2);padding:16px;border-radius:12px}
.out dt{font-size:.82rem;color:rgba(255,255,255,.7)}
.out dd{margin:6px 0 0;font-weight:800;font-size:1.5rem;line-height:1.1;color:var(--sun)}
.out dd small{font-size:.6em;color:rgba(255,255,255,.7);font-weight:600}
.out dd .s{display:block;font-weight:500;font-size:.78rem;color:rgba(255,255,255,.7);margin-top:6px}
.disclaim{font-size:.82rem;color:rgba(255,255,255,.6);margin:16px 0 22px}
.result .btn{width:100%}
.empty{padding:24px 0;color:rgba(255,255,255,.75)}

/* süreç: numara rozetli kartlar */
.proc{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:p}
.proc li{counter-increment:p;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow-soft)}
.proc li::before{content:counter(p,decimal-leading-zero);position:absolute;top:-14px;right:20px;width:40px;height:40px;border-radius:12px;background:var(--grad-sun);color:var(--fg);font-weight:800;font-size:.9rem;display:grid;place-items:center;box-shadow:0 6px 16px -6px hsl(28 95% 50% / .6)}
.proc b{display:block;font-size:1.12rem;margin-bottom:6px}
.proc span{color:var(--muted);font-size:.97rem}

/* sss */
.faq{display:grid;grid-template-columns:1fr 1.5fr;gap:64px;align-items:start}
.faq-tel{display:inline-block;margin-top:22px;font-weight:700;color:var(--sun-text);text-decoration:none}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-soft)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translateY(-3px);flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details p{color:var(--muted);padding-bottom:20px}

/* iletişim */
.contact .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.channels{list-style:none;padding:0;margin:36px 0 0}
.channels a,.channels div{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--ink-line);text-decoration:none}
.channels svg{width:22px;height:22px;color:var(--sun);flex:none}
.channels small{display:block;color:rgba(255,255,255,.6);font-size:.82rem}
.channels b{font-weight:600}
.lead-form{background:var(--surface);color:var(--fg);border-radius:24px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:18px;box-shadow:0 30px 60px -20px rgba(0,0,0,.4)}
.lead-form h3{grid-column:1/-1;font-size:1.45rem}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:.9rem;font-weight:600}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--fg);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--sun);outline-offset:0;border-color:transparent}
.field textarea{min-height:110px;resize:vertical}
.lead-form .btn{grid-column:1/-1}
.lead-form .fine{grid-column:1/-1;font-size:.82rem;color:var(--muted)}

/* footer */
footer{background:#0a1628;color:rgba(255,255,255,.68);padding:64px 0 32px;font-size:.94rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot h4{color:#fff;font-size:.95rem;margin:0 0 16px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{color:#fff}
.foot p{margin-top:18px;max-width:340px}
.legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--ink-line);margin-top:48px;padding-top:24px;font-size:.84rem}

.wa{position:fixed;right:20px;bottom:20px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.22)}
.wa svg{width:30px;height:30px;fill:#fff}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .top .wrap{gap:22px}
  .menu{gap:20px}
  .top-tel span{display:none}
  .choose.three{grid-template-columns:1fr;max-width:640px;margin:0 auto}
}
@media (max-width:1024px){
  .how{grid-template-columns:1fr;gap:28px}
  .choose,.calc,.faq,.contact .wrap{grid-template-columns:1fr;gap:40px}
  .result{position:static}
  .proc{grid-template-columns:1fr 1fr;gap:28px 20px}
}
@media (max-width:980px){
  .menu,.top .btn{display:none}
  .burger{display:block}
  /* mobilde sadece arama simgesi */
  .top-tel{margin-left:auto;width:44px;height:44px;justify-content:center;border-radius:12px;background:var(--sun-soft)}
  .top-tel span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .top .wrap{gap:8px}
  .top-tel ~ .burger{margin-left:0}
  .top.open .menu{display:flex;flex-direction:column;gap:0;position:absolute;top:76px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px 16px;box-shadow:var(--shadow-card)}
  .top.open .menu a{display:block;padding:14px 0;font-size:1.05rem;border-bottom:1px solid var(--line);color:var(--fg)}
  /* dar ekranda fotoğraf metnin arkasında kalır, karartma artar */
  .hero::after{background:linear-gradient(90deg,hsl(215 45% 12% / .93) 0%,hsl(215 45% 14% / .84) 55%,hsl(215 45% 14% / .5) 100%)}
}
@media (max-width:600px){
  body{font-size:1rem}
  .wrap{padding:0 16px}
  section{padding:72px 0}
  .top .wrap{height:64px}
  .top.open .menu{top:64px}
  .logo img{height:38px}
  .hero .wrap{padding-top:44px;padding-bottom:52px}
  .hero::after{background:linear-gradient(180deg,hsl(215 45% 12% / .7) 0%,hsl(215 45% 12% / .86) 100%)}
  .hero > img{object-position:70% center}
  .badge{margin-bottom:18px}
  .hero .sub{font-size:1.05rem;margin-top:16px}
  .hero .cta{margin-top:28px}
  .hero .cta .btn{flex:1 1 100%}
  .stats{gap:20px 28px;margin-top:34px}
  .head{margin-bottom:44px}
  .opt .body{padding:24px}
  .opt h3{font-size:1.5rem}
  .diag{gap:4px;padding:28px 8px 24px}
  .diag i{width:50px;height:50px;border-radius:14px}
  .diag i svg{width:24px;height:24px}
  .diag .ar{padding-top:14px}
  .diag .ar svg{width:18px;height:18px}
  .lead-form{grid-template-columns:1fr;padding:24px}
  .dev-row{grid-template-columns:1fr 108px;row-gap:8px;padding:14px 16px}
  .dev-row .hrs{grid-column:2}
  .dev-row.hd{display:none}
  .proc{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
}
/* ---------- çok sayfa bileşenleri ---------- */
/* açılır menü */
.has-sub{position:relative}
.submenu{display:none;position:absolute;top:100%;left:-16px;min-width:210px;list-style:none;margin:0;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-card)}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{display:block}
.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
.submenu a{display:block;padding:10px 12px;border-radius:10px}
.submenu a:hover{background:var(--muted-bg)}
.menu a[aria-current="page"],.menu a.is-active{color:var(--fg);font-weight:700}

/* alt sayfa girişi */
.page-hero{position:relative;color:#fff;background:linear-gradient(135deg,hsl(215 45% 12%) 0%,hsl(215 40% 20%) 100%);overflow:hidden;padding:72px 0 80px}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,hsl(38 92% 50% / .28),transparent 70%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);max-width:780px}
.page-hero .hl,.cta-band .hl{background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .sub{font-size:1.15rem;color:rgba(255,255,255,.82);max-width:620px;margin-top:18px}
.page-hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.crumbs{display:flex;gap:8px;font-size:.88rem;color:rgba(255,255,255,.65);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.8);text-decoration:none}
.crumbs a:hover{color:#fff}
.page-hero.nf{padding:120px 0}

/* açıklama + şema */
.explain{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.explain .head{margin-bottom:24px}
.prose p{color:var(--muted);font-size:1.06rem}
.prose p + p{margin-top:16px}
.diag-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-card)}
.diag-card p{padding:18px 24px;color:var(--muted);font-size:.95rem;text-align:center}
.about-img{position:relative;margin:0;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-card)}
.about-img img{width:100%;height:100%;object-fit:cover}

/* özellik kartları */
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;list-style:none;padding:0;margin:0}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-soft)}
.white .fcard{background:var(--bg)}
.fcard .ico{width:52px;height:52px;border-radius:14px;background:var(--sun-soft);display:grid;place-items:center;margin-bottom:18px}
.fcard .ico svg{width:26px;height:26px;color:var(--sun-text)}
.fcard h3{font-size:1.12rem;margin-bottom:8px}
.fcard p{color:var(--muted);font-size:.97rem}

/* artı / dikkat kutuları */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.box{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.box h3{font-size:1.2rem}
.box .ticks{margin:18px 0 0}
.box.warn .ticks svg{color:hsl(28 85% 45%)}
.checks-box{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:32px 36px;box-shadow:var(--shadow-soft)}
.checks-box .ticks{margin:0}

/* sss listesi */
.faq-list{max-width:860px;margin:0 auto}
.faq .faq-list{max-width:none;margin:0}
.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-soft)}
.white .faq-list details{background:var(--bg)}
.faq-list summary{cursor:pointer;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translateY(-3px);flex:none;transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(-135deg)}
.faq-list details p{color:var(--muted);padding-bottom:20px}

/* diğer sistemler */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rcard{display:flex;flex-direction:column;gap:8px;padding:28px;border-radius:var(--r);text-decoration:none;border:1px solid var(--line);background:var(--bg);transition:transform .15s,box-shadow .15s}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}
.rcard b{font-size:1.2rem}
.rcard span{color:var(--muted);font-size:.97rem}
.rcard i{font-style:normal;font-weight:700;color:var(--sun-text);display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px}
.rcard i svg{width:16px;height:16px}
.r-on{border-top:4px solid var(--sun)}
.r-hyb{border-top:4px solid var(--blue)}
.r-off{border-top:4px solid var(--green)}
.r-svc{border-top:4px solid var(--fg)}

/* ana sayfa: sistem kartında detay bağlantısı */
.opt .more{display:inline-block;font-weight:700;color:var(--sun-text);text-decoration:none;margin:-8px 0 16px}
.opt .more::after{content:" →"}

/* hesaplayıcı bandı ve çağrı bandı */
.band-calc{padding:72px 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-calc .wrap,.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.band-calc .h2{font-size:clamp(1.6rem,3vw,2.3rem)}
.cta-band{background:var(--ink);color:#fff;padding:88px 0}
.cta-band .lead{color:rgba(255,255,255,.75)}
.cta-band .cta{display:flex;gap:14px;flex-wrap:wrap}

/* bakım: arıza belirtileri */
.maint{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.maint .btn{margin-top:32px}
.symptoms{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.symptoms li{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;background:var(--ink-2);border-radius:14px}
.symptoms svg{width:22px;height:22px;flex:none;color:var(--sun);margin-top:2px}
.symptoms b{display:block}
.symptoms span{color:rgba(255,255,255,.72);font-size:.95rem}

/* hizmet bölgesi */
.region{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.region h3{font-size:1.05rem;margin:0 0 14px}
.region h3:not(:first-child){margin-top:32px}
.areas{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.areas li{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-weight:600;font-size:.95rem}

@media (max-width:1024px){
  .explain,.maint,.region,.split{grid-template-columns:1fr;gap:32px}
  .related{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  /* mobil menüde alt menü açık liste */
  .top.open .submenu{display:block;position:static;border:0;box-shadow:none;padding:0 0 0 16px;background:none}
  .top.open .has-sub::after{display:none}
  .top.open .submenu a{padding:12px 0;border-bottom:1px solid var(--line);border-radius:0;font-size:1rem}
}
@media (max-width:600px){
  .page-hero{padding:48px 0 56px}
  .page-hero .cta .btn{flex:1 1 100%}
  .cta-band .cta,.cta-band .btn,.band-calc .btn{width:100%}
  .cta-band .cta{flex-direction:column}
  .checks-box,.box{padding:24px}
}

/* referanslar: Google yorumları */
.rv-fallback{max-width:720px;margin:0 auto;text-align:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:48px 32px}
.rv-fallback .ico{width:60px;height:60px;border-radius:16px;background:var(--sun-soft);display:inline-grid;place-items:center;margin-bottom:20px}
.rv-fallback .ico svg{width:30px;height:30px;color:var(--sun-text)}
.rv-fallback .lead{margin:14px auto 28px}
.rv-summary{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:28px 32px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);margin-bottom:28px}
.rv-score{font-size:3.2rem;font-weight:800;line-height:1}
.rv-count{display:block;color:var(--muted);font-size:.95rem;margin-top:4px}
.rv-links{display:flex;gap:12px;flex-wrap:wrap;margin-left:auto}
.rv-links .btn{width:auto}
/* yıldızlar: --r = puan/5, dolu kısım turuncu */
.stars{display:inline-block;width:max-content;font-size:1.15rem;letter-spacing:2px;line-height:1;background:linear-gradient(90deg,var(--sun) calc(var(--r) * 100%),var(--line) 0);-webkit-background-clip:text;background-clip:text;color:transparent}
.stars::before{content:"★★★★★"}
.rv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;list-style:none;padding:0;margin:0}
.rv-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:12px}
.rv-who{display:flex;align-items:center;gap:12px}
.rv-who img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.rv-who a,.rv-who b{font-weight:700;text-decoration:none;color:var(--fg)}
.rv-who small{display:block;color:var(--muted);font-size:.82rem}
.rv-card p{color:var(--muted);font-size:.97rem;white-space:pre-line}
.rv-attr{margin-top:20px;text-align:center;font-size:.82rem;color:var(--muted)}
@media (max-width:600px){
  .rv-summary{padding:22px}
  .rv-links{margin-left:0;width:100%}
  .rv-links .btn{flex:1 1 100%}
}

/* iletişim: Google Haritalar */
.map-sec{padding:88px 0;background:var(--surface)}
.map-card{display:grid;grid-template-columns:1.6fr 1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-card);background:var(--bg)}
.map-card iframe{width:100%;height:100%;min-height:420px;border:0;display:block}
.map-info{padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
.map-info .h2{font-size:clamp(1.7rem,3vw,2.3rem)}
.map-btns{display:flex;flex-direction:column;gap:12px;margin-top:28px}
@media (max-width:1024px){
  .map-card{grid-template-columns:1fr}
  .map-card iframe{min-height:320px}
}
@media (max-width:600px){
  .map-sec{padding:56px 0}
  .map-info{padding:28px 24px}
}

/* "Kısaca" özet kutusu: cevabı ilk paragrafta veren bölüm */
.tldr{padding:56px 0 0}
.tldr-box{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--sun);border-radius:var(--r);padding:32px 36px;box-shadow:var(--shadow-soft)}
.tldr-q{font-size:1.35rem;margin:0 0 10px}
.tldr-a{font-size:1.06rem;color:var(--fg);margin:0}
.tldr-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px 24px;margin:22px 0 0;padding:20px 0 0;border-top:1px solid var(--line)}
.tldr-facts dt{font-size:.82rem;font-weight:700;color:var(--muted)}
.tldr-facts dd{margin:2px 0 0;font-size:.97rem}
.tldr-meta{margin:20px 0 0;font-size:.82rem;color:var(--muted)}
.tldr-meta a{color:var(--sun-text);font-weight:600}
@media (max-width:600px){.tldr{padding-top:40px}.tldr-box{padding:24px 22px}}


/* telefon: alt bilgi — marka ve iletişim tam genişlik, iki link listesi yan yana */
@media (max-width:600px){
  .foot{grid-template-columns:1fr 1fr;gap:32px 20px}
  .foot > div:first-child,.foot > div:last-child{grid-column:1/-1}
  .foot p{max-width:none}
  .legal{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}