/* =========================================================
   Uşak Isı Pompası — Ortak Stil Dosyası
   ========================================================= */

:root{
  --white:#ffffff;
  --bg-soft:#f6f8f9;
  --bg-soft-2:#eef2f3;
  --ink:#111827;
  --ink-soft:#374151;
  --muted:#6b7280;
  --line:#e5e9eb;
  --navy:#0e2a3d;
  --teal:#0c8f8f;
  --teal-dark:#086e6e;
  --teal-soft:#e3f4f3;
  --amber:#e2762f;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(15,40,55,.06);
  --shadow-lg:0 12px 40px rgba(15,40,55,.10);
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;touch-action:manipulation;}
button{touch-action:manipulation;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;color:var(--navy);}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 max(24px,env(safe-area-inset-right)) 0 max(24px,env(safe-area-inset-left));}

/* ---------- Utility ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--teal-dark);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--teal);display:inline-block;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--navy{background:var(--navy);color:#fff;}
.section--navy h2,.section--navy h3{color:#fff;}
.section--navy p{color:#c9d6dc;}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.lede{font-size:1.08rem;color:var(--ink-soft);}
.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.mt-0{margin-top:0;}
.text-center{text-align:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:var(--teal-dark);}
.btn-outline{border-color:rgba(255,255,255,.5);color:inherit;}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-dark);}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--white);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-dark);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:.85rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);min-width:0;}
.brand .brand-mark{
  width:36px;height:36px;flex:none;display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.brand .brand-mark svg,.brand .brand-mark img{width:100%;height:100%;object-fit:contain;}
.brand-text{min-width:0;}
.brand-name{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#C46F39;}
.brand small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand small:nth-of-type(2){text-transform:none;font-weight:500;opacity:.8;margin-top:1px;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{font-weight:600;font-size:.93rem;color:var(--ink-soft);position:relative;padding:6px 0;}
.nav-links a:hover,.nav-links a.active{color:var(--teal-dark);}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--teal);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-phone{font-weight:700;font-size:.9rem;color:var(--ink);}
.nav-phone span{display:block;font-size:.7rem;font-weight:600;color:var(--muted);}
.nav-toggle{
  display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink);
  width:44px;height:44px;align-items:center;justify-content:center;flex:none;border-radius:10px;
  -webkit-tap-highlight-color:transparent;
}
.nav-toggle:active{background:var(--bg-soft);}

@media (max-width:960px){
  .nav-links{
    position:fixed;top:82px;left:0;right:0;bottom:0;background:var(--white);flex-direction:column;
    justify-content:flex-start;padding:32px 24px calc(32px + env(safe-area-inset-bottom));gap:4px;transform:translateX(100%);
    transition:.25s ease;overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{padding:16px 4px;font-size:1.15rem;border-bottom:1px solid var(--line);}
  .nav-toggle{display:flex;}
  .nav-phone{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  padding:70px 0 90px;background:
    radial-gradient(1200px 600px at 85% -10%, var(--teal-soft), transparent 60%),
    var(--white);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:2.7rem;letter-spacing:-.01em;}
.hero h1.sub-h1{font-size:2.2rem;}
.hero .lede{font-size:1.15rem;max-width:520px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:32px;margin-top:44px;flex-wrap:wrap;}
.hero-stats div strong{display:block;font-size:1.6rem;color:var(--ink);}
.hero-stats div span{font-size:.82rem;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);}
.hero-media .badge-float{
  margin-top:16px;width:fit-content;background:#fff;color:var(--navy);padding:16px 20px;border-radius:12px;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;font-weight:700;font-size:.85rem;
}
.hero-media .badge-float .dot{width:10px;height:10px;border-radius:50%;background:var(--teal);}

/* ---------- Brand marquee ---------- */
.brand-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;background:var(--bg-soft);}
.brand-strip .container{display:flex;align-items:center;justify-content:center;gap:56px;flex-wrap:wrap;}
.brand-strip .b-item{font-weight:800;font-size:1.05rem;color:var(--muted);letter-spacing:.02em;}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;
  transition:.2s ease;height:100%;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.card .icn{
  width:52px;height:52px;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px;
}
.card h3{font-size:1.15rem;}
.card p{margin-bottom:0;font-size:.94rem;}

/* Brand feature card (home page) */
.brand-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
}
.brand-card .thumb{aspect-ratio:16/11;overflow:hidden;background:var(--navy);}
.brand-card .thumb img{width:100%;height:100%;object-fit:cover;}
.brand-card .body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:12px;flex:1;}
.brand-card .tag{
  align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;background:var(--teal-soft);color:var(--teal-dark);
}
.brand-card ul{margin:6px 0 10px;display:flex;flex-direction:column;gap:6px;}
.brand-card ul li{font-size:.88rem;color:var(--ink-soft);padding-left:20px;position:relative;}
.brand-card ul li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800;}
.brand-card .link{margin-top:auto;font-weight:700;color:var(--teal-dark);font-size:.92rem;}

/* ---------- Steps ---------- */
.steps{counter-reset:step;}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:none;}
.step .num{
  counter-increment:step;flex:none;width:44px;height:44px;border-radius:50%;
  background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;
}
.step .num::before{content:counter(step);}

/* ---------- Tabs (Ürünler) ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
.tab-btn{
  padding:12px 22px;border-radius:999px;border:2px solid var(--line);background:#fff;
  font-weight:700;font-size:.92rem;cursor:pointer;color:var(--ink-soft);transition:.15s;
}
.tab-btn:hover{border-color:var(--teal);}
.tab-btn.active{background:#ffffff;border-color:var(--teal);color:#111827;}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadein .25s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

.brand-heading{display:flex;align-items:center;gap:18px;margin-bottom:8px;flex-wrap:wrap;}
.brand-heading .logo-chip{
  font-weight:900;font-size:1.4rem;padding:8px 18px;border-radius:10px;color:#fff;
}
.logo-chip.fineco{background:#1b4f91;}
.logo-chip.gram{background:#2b2f36;}
.logo-chip.zess{background:#159bb5;}
.brand-sub{color:var(--muted);font-size:.95rem;margin-bottom:36px;}

/* Product line block */
.product-line{border-top:1px solid var(--line);padding:44px 0;}
.product-line:first-of-type{border-top:none;padding-top:0;}
.product-line-head{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;margin-bottom:30px;}
.product-line-head img{border-radius:var(--radius);box-shadow:var(--shadow);}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0;}
.chip{
  font-size:.76rem;font-weight:700;background:var(--bg-soft-2);color:var(--ink-soft);
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
}

/* ---------- Photo Gallery ---------- */
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:26px 0 44px;}
.photo-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:.2s ease;cursor:pointer;}
.photo-item:hover,.photo-item:focus-visible{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.photo-item:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.photo-item .ph{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:16px;background:#fff;overflow:hidden;}
.photo-item .ph img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .25s ease;}
.photo-item:hover .ph img{transform:scale(1.05);}
.photo-item span{display:block;font-size:.78rem;font-weight:600;color:var(--ink-soft);padding:0 14px 14px;text-align:center;}
.photo-item span small{display:block;font-size:.7rem;font-weight:500;color:var(--muted);margin-top:4px;text-transform:none;letter-spacing:normal;}
@media (max-width:960px){.photo-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:640px){
  .photo-grid{grid-template-columns:1fr;gap:16px;}
  .photo-item .ph{padding:22px;}
  .photo-item span{font-size:.92rem;padding:0 18px 18px;}
  .photo-item span small{font-size:.78rem;}
}
@media (prefers-color-scheme: dark){
  .photo-item{background:#111a23;}
  .photo-item .ph{background:#0d151c;}
}

/* ---------- Tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:640px;}
table caption{text-align:left;padding:14px 18px;font-weight:700;background:var(--bg-soft);color:var(--ink);caption-side:top;}
th,td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
thead th{background:var(--navy);color:#fff;font-weight:700;position:sticky;top:0;}
tbody tr:nth-child(even){background:var(--bg-soft);}
tbody tr:hover{background:var(--teal-soft);}
.table-note{font-size:.8rem;color:var(--muted);margin-top:10px;}

/* ---------- Tech feature grid ---------- */
.tech-item{display:flex;gap:16px;padding:24px 0;border-bottom:1px solid var(--line);}
.tech-item:last-child{border-bottom:none;}
.tech-item .icn{
  flex:none;width:48px;height:48px;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;
}
.tech-item h4{margin-bottom:4px;font-size:1.02rem;}
.tech-item p{margin:0;font-size:.9rem;}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;}
.faq-item{border-bottom:1px solid var(--line);padding:22px 0;}
.faq-item:last-child{border-bottom:none;}
.faq-item h3{font-size:1.02rem;margin-bottom:8px;}
.faq-item p{margin:0;font-size:.94rem;}

.diagram-box{background:var(--bg-soft);border-radius:var(--radius);padding:30px;text-align:center;}
.diagram-box img{margin:0 auto;border-radius:var(--radius-sm);}

/* ---------- Project cards ---------- */
.project-card{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow);}
.project-card img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.project-card .overlay{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(0deg,rgba(9,25,36,.92),transparent 90%);color:#fff;
}
.project-card .overlay h4{color:#fff;margin-bottom:2px;font-size:1.02rem;}
.project-card .overlay span{font-size:.8rem;color:#cfe3e3;}

.notice-box{
  background:var(--teal-soft);border:1px solid #bfe4e2;border-radius:var(--radius);
  padding:26px 30px;display:flex;gap:18px;align-items:flex-start;
}
.notice-box .icn{font-size:1.4rem;color:var(--teal-dark);}
.notice-box p{margin:0;color:var(--ink-soft);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;}
.info-card{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.info-card:last-child{border-bottom:none;}
.info-card .icn{
  flex:none;width:46px;height:46px;border-radius:12px;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;
}
.form-card{background:var(--bg-soft);border-radius:var(--radius);padding:36px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--ink);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.95rem;background:#fff;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--teal);outline-offset:1px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:.78rem;color:var(--muted);margin-top:14px;}
.form-success{
  display:none;background:var(--teal-soft);border:1px solid #bfe4e2;color:var(--teal-dark);
  padding:16px 18px;border-radius:var(--radius-sm);font-weight:700;margin-bottom:18px;
}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:36px;}
.map-frame iframe{width:100%;height:340px;border:0;display:block;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--navy),#154a5f);color:#fff;border-radius:var(--radius);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-banner h2{color:#fff;margin-bottom:8px;}
.cta-banner p{color:#c9d6dc;margin:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#c9d6dc;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:16px;}
.footer-grid p{color:#9fb3ba;font-size:.9rem;}
.footer-grid ul{display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:#c9d6dc;font-size:.9rem;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:#9fb3ba;}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.contact-grid,.product-line-head{grid-template-columns:1fr;}
  .hero h1{font-size:2.1rem;}
  .hero h1.sub-h1{font-size:1.9rem;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
  .cta-banner{padding:36px;}
}
@media (max-width:640px){
  .brand{gap:8px;font-size:1rem;}
  .brand small{font-size:.58rem;}
  .nav-cta{gap:10px;}
  .nav-cta .btn-sm{padding:8px 14px;font-size:.8rem;}
  .nav-toggle{width:38px;height:38px;font-size:1.3rem;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-strip .container{gap:26px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:36px;}
  .hero{padding:36px 0 60px;}
  .hero h1{font-size:1.85rem;}
  .hero h1.sub-h1{font-size:1.6rem;}
  .hero .lede{font-size:1.02rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;margin-top:32px;}
  .cta-banner{flex-direction:column;text-align:center;align-items:center;padding:28px;}
  .cta-banner .btn{width:100%;}
  .contact-grid{gap:32px;}
  .form-card{padding:24px;}
  .modal-panel{width:94%;margin:4vh auto;}
}
@media (max-width:400px){
  .hero-stats{grid-template-columns:1fr;}
  .nav-cta{gap:8px;}
  .nav-cta .btn-sm{padding:7px 12px;font-size:.76rem;}
  .nav-toggle{width:34px;height:34px;font-size:1.15rem;}
}

/* ---------- Product modal ---------- */
.modal{position:fixed;inset:0;z-index:1000;display:none;}
.modal.open{display:block;}
body.modal-open{overflow:hidden;}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,20,28,.6);}
.modal-panel{
  position:relative;width:92%;max-width:640px;margin:6vh auto;max-height:88vh;
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;overflow:hidden;
}
.modal-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:none;z-index:2;
  background:rgba(255,255,255,.92);box-shadow:var(--shadow);font-size:1.05rem;cursor:pointer;color:var(--navy);
}
.modal-media{background:#fff;padding:24px;display:flex;align-items:center;justify-content:center;flex:none;max-height:34vh;border-bottom:1px solid var(--line);}
.modal-media img{max-width:100%;max-height:30vh;object-fit:contain;}
.modal-body{padding:26px 28px 30px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;}
.modal-body h3{margin-bottom:8px;font-size:1.15rem;}
.modal-body .chips{margin:14px 0 6px;}
.modal-body .link{display:inline-block;margin-top:6px;font-weight:700;color:var(--teal-dark);font-size:.92rem;}
@media (prefers-color-scheme: dark){
  .modal-panel{background:#111a23;}
  .modal-media{background:#0d151c;border-bottom-color:var(--line);}
  .modal-close{background:rgba(20,30,40,.9);color:#f2f6f7;}
}

/* Dark mode (respects system) */
@media (prefers-color-scheme: dark){
  :root{
    --white:#0f1720; --bg-soft:#141d27; --bg-soft-2:#1a2531; --ink:#e7edf0; --ink-soft:#c4cfd4;
    --muted:#8b98a1; --line:#26323d; --navy:#0a1620; --teal:#17a6a6; --teal-dark:#31c7c7; --teal-soft:#12313080;
    --shadow:0 4px 20px rgba(0,0,0,.35); --shadow-lg:0 12px 40px rgba(0,0,0,.5);
  }
  body{background:var(--white);}
  .site-header{background:rgba(15,23,32,.9);}
  h1,h2,h3,h4{color:#f2f6f7;}
  .card,.brand-card,.form-card .field input,.info-card,.tab-btn{background:#111a23;}
  .form-card{background:#101820;}
  .field input,.field select,.field textarea{background:#0d151c;color:#e7edf0;}
  .nav-links{background:#0f1720;}
  thead th{background:#0a1620;}
  tbody tr:nth-child(even){background:#131d26;}
}