/* ============================================================
   NEMARK - Sera Isıtma Ekipmanları
   Ana Stil Dosyası (style.css)
   Font: Google Open Sans
   ============================================================ */

:root{
  --ana:#1b7a3d;        /* yeşil - sera/tarım */
  --ana-koyu:#12572b;
  --ates:#e8591f;       /* turuncu - ısı/ateş */
  --ates-koyu:#c2450f;
  --lacivert:#173248;
  --gri:#f4f6f4;
  --gri-koyu:#5a635b;
  --metin:#20302a;
  --beyaz:#ffffff;
  --kenar:#e2e8e2;
  --golge:0 4px 18px rgba(0,0,0,.08);
  --radius:10px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Open Sans',-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--metin);
  line-height:1.7;
  background:var(--beyaz);
  font-size:16px;
}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- ÜST BAR ---------- */
.topbar{background:var(--lacivert);color:#dfe8ea;font-size:13.5px;padding:8px 0}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar a{color:#dfe8ea;margin-left:18px}
.topbar a:hover{color:#fff}
.topbar i{color:var(--ates);margin-right:4px}

/* ---------- HEADER ---------- */
.header{background:var(--beyaz);box-shadow:var(--golge);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--ana),var(--ates));display:grid;place-items:center;color:#fff;font-size:24px}
.logo-text{font-weight:700;font-size:22px;color:var(--lacivert);display:flex;flex-direction:column;line-height:1.1}
.logo-text small{font-size:11px;font-weight:400;color:var(--gri-koyu);letter-spacing:.3px}

.ana-menu>ul{display:flex;list-style:none;align-items:center;gap:4px}
.ana-menu ul{list-style:none}
.ana-menu>ul>li>a{padding:12px 16px;font-weight:600;border-radius:8px;display:flex;align-items:center;gap:4px}
.ana-menu>ul>li>a:hover{background:var(--gri);color:var(--ana)}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:100%;left:0;background:#fff;box-shadow:var(--golge);border-radius:10px;min-width:280px;padding:8px;max-height:min(70vh,520px);overflow-y:auto;z-index:950;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{display:block;padding:9px 14px;border-radius:6px;font-size:14.5px}
.dropdown-menu li a:hover{background:var(--gri);color:var(--ana)}
.mobil-menu-btn{display:none;background:var(--ana);color:#fff;border:none;width:46px;height:46px;border-radius:10px;font-size:24px;cursor:pointer}
.mobil-menu-kapat{display:none;position:absolute;top:16px;right:16px;background:var(--gri);color:var(--lacivert);border:none;width:42px;height:42px;border-radius:10px;font-size:24px;cursor:pointer;z-index:2}
.mobil-menu-overlay{display:none;position:fixed;inset:0;background:rgba(23,50,72,.55);z-index:1250;opacity:0;transition:opacity .3s;pointer-events:none}
.mobil-menu-overlay.acik{opacity:1;pointer-events:auto}
body.menu-acik{overflow:hidden}

/* ---------- BANNER ---------- */
.banner-slider{position:relative;height:460px;overflow:hidden;background:var(--lacivert)}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s;display:flex;align-items:center}
.banner-slide.aktif{opacity:1}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,50,72,.82),rgba(27,122,61,.55))}
.banner-icerik{position:relative;text-align:center;color:#fff;width:100%;z-index:2}
.banner-icerik h1{font-size:44px;font-weight:700;margin-bottom:10px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.banner-icerik h2{font-size:26px;font-weight:600;color:#ffd9a0;margin-bottom:14px}
.banner-icerik p{font-size:18px;max-width:720px;margin:0 auto 24px;opacity:.95}
.banner-btn{display:inline-flex;align-items:center;gap:8px;background:var(--ates);color:#fff;padding:14px 30px;border-radius:50px;font-weight:700;font-size:17px}
.banner-btn:hover{background:var(--ates-koyu);transform:translateY(-2px)}
.banner-watermark{position:absolute;bottom:12px;right:20px;font-size:12px;opacity:.6;letter-spacing:.5px}
.banner-noktalar{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.banner-noktalar .nokta{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s}
.banner-noktalar .nokta.aktif{background:var(--ates);width:30px;border-radius:6px}

/* ---------- İÇERİK ---------- */
.icerik-alani{padding:36px 20px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--gri-koyu);margin-bottom:24px}
.breadcrumb li:not(:last-child)::after{content:'/';margin-left:6px;color:var(--kenar)}
.breadcrumb a:hover{color:var(--ana)}
.breadcrumb li[aria-current]{color:var(--ana);font-weight:600}

.makale h1{font-size:32px;color:var(--lacivert);margin-bottom:18px;line-height:1.25}
.makale h2{font-size:23px;color:var(--ana);margin:28px 0 12px}
.makale h3{font-size:19px;color:var(--lacivert);margin:22px 0 10px}
.makale p{margin-bottom:15px}
.makale .lead,.anasayfa-giris .lead{font-size:18px;color:var(--gri-koyu)}
.iklim-paragraf{background:var(--gri);border-left:4px solid var(--ana);padding:18px 22px;border-radius:0 10px 10px 0;margin-bottom:20px;font-size:15.5px}
/* İçerik listesi (faydalar) */
.icerik-liste{list-style:none;margin:16px 0 22px;padding:0}
.icerik-liste li{position:relative;padding:10px 12px 10px 44px;margin-bottom:8px;background:var(--gri);border-radius:8px;font-size:15px}
.icerik-liste li::before{content:'\2713';position:absolute;left:14px;top:50%;transform:translateY(-50%);width:22px;height:22px;background:var(--ana);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700}
/* İçerik içi CTA kutusu */
.icerik-cta{background:linear-gradient(135deg,var(--lacivert),#0f2434);color:#fff;border-radius:14px;padding:22px 26px;margin:26px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.icerik-cta span{font-size:16.5px;font-weight:600;flex:1;min-width:220px}
.icerik-cta-btn{background:var(--ates);color:#fff;padding:13px 26px;border-radius:50px;font-weight:700;white-space:nowrap;font-size:15.5px;transition:.25s}
.icerik-cta-btn:hover{background:var(--ates-koyu);transform:translateY(-2px)}
.anasayfa-giris h1{font-size:34px;color:var(--lacivert);margin-bottom:16px}

/* ---------- BÖLÜM BAŞLIKLARI ---------- */
.bolum-baslik{font-size:27px;color:var(--lacivert);text-align:center;margin-bottom:10px;position:relative;padding-bottom:14px}
.bolum-baslik::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:4px;background:var(--ates);border-radius:2px}
.bolum-alt{text-align:center;color:var(--gri-koyu);margin-bottom:30px}

/* ---------- NEDEN BİZ ---------- */
.neden-biz{padding:50px 0}
.neden-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.neden-kart{background:var(--gri);padding:28px 24px;border-radius:var(--radius);text-align:center;transition:.3s;border:1px solid transparent}
.neden-kart:hover{border-color:var(--ana);transform:translateY(-4px);box-shadow:var(--golge)}
.neden-kart i{font-size:42px;color:var(--ates);margin-bottom:12px;display:block}
.neden-kart h3{font-size:18px;color:var(--lacivert);margin-bottom:8px}
.neden-kart p{font-size:14.5px;color:var(--gri-koyu)}

/* ---------- HİZMET GRID ---------- */
.hizmet-ozet,.sera-ozet{padding:50px 0}
.hizmet-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.hizmet-grid.genis{grid-template-columns:repeat(4,1fr);margin-top:24px}
.hizmet-kart{background:#fff;border:1px solid var(--kenar);border-radius:var(--radius);padding:0;text-align:center;transition:.3s;overflow:hidden;display:flex;flex-direction:column}
.hizmet-kart:hover{border-color:var(--ana);box-shadow:var(--golge);transform:translateY(-4px)}
.hizmet-kart-foto{width:100%;aspect-ratio:16/11;background:var(--gri);overflow:hidden}
.hizmet-kart-foto img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.hizmet-kart:hover .hizmet-kart-foto img{transform:scale(1.06)}
.hizmet-kart-foto-bos{display:grid;place-items:center}
.hizmet-kart-foto-bos i{font-size:52px;color:var(--ates)}
.hizmet-kart h3{font-size:16px;color:var(--lacivert);margin:16px 16px 8px}
.hizmet-kart .devam{font-size:13.5px;color:var(--ana);font-weight:600;display:inline-flex;align-items:center;gap:4px;margin:0 16px 18px}
.ortali{text-align:center;margin-top:30px}
.btn-buyuk{display:inline-block;background:var(--ana);color:#fff;padding:14px 34px;border-radius:50px;font-weight:700;font-size:16px}
.btn-buyuk:hover{background:var(--ana-koyu);transform:translateY(-2px)}

/* ---------- MODEL BLOK (ürün görselli) ---------- */
.model-blok{padding:44px 0;background:var(--gri);margin:40px 0;border-radius:16px}
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:26px;padding:0 24px}
.model-kart{background:#fff;border-radius:12px;padding:16px;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);transition:.3s;border:1px solid var(--kenar)}
.model-kart:hover{transform:translateY(-4px);box-shadow:var(--golge);border-color:var(--ana)}
.model-foto{width:100%;aspect-ratio:1/1;background:#fff;border-radius:8px;overflow:hidden;display:grid;place-items:center}
.model-foto img{width:100%;height:100%;object-fit:contain}
.model-foto-bos{background:var(--gri)}
.model-foto-bos i{font-size:56px;color:var(--ates)}
.model-ad{font-weight:600;font-size:15px;color:var(--lacivert);text-align:center;line-height:1.3;min-height:40px;display:flex;align-items:center}
.model-fiyat-btn{display:inline-flex;align-items:center;gap:6px;background:var(--ates);color:#fff;padding:9px 20px;border-radius:50px;font-weight:700;font-size:14px;width:100%;justify-content:center}
.model-fiyat-btn:hover{background:var(--ates-koyu)}

/* ---------- ÖNERİLEN ISITICILAR (sayfaya uygun çeşitler) ---------- */
.onerilen-blok{padding:44px 0;background:linear-gradient(135deg,#f0f7f2,#eaf3ee);margin:40px 0;border-radius:16px;border:1px solid var(--kenar)}
.onerilen-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:26px;padding:0 24px}
.onerilen-kart{background:#fff;border-radius:12px;padding:14px;display:flex;flex-direction:column;align-items:center;gap:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:.3s;border:2px solid transparent}
.onerilen-kart:hover{transform:translateY(-5px);box-shadow:var(--golge);border-color:var(--ana)}
.onerilen-foto{width:100%;aspect-ratio:1/1;background:#fff;border-radius:8px;overflow:hidden;display:grid;place-items:center}
.onerilen-foto img{width:100%;height:100%;object-fit:contain}
.onerilen-foto-bos{background:var(--gri)}
.onerilen-foto-bos i{font-size:48px;color:var(--ates)}
.onerilen-ad{font-weight:700;font-size:14px;color:var(--lacivert);text-align:center;line-height:1.3;min-height:38px;display:flex;align-items:center}
.onerilen-btnler{display:flex;gap:6px;width:100%}
.onerilen-btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:9px 10px;border-radius:8px;font-weight:700;font-size:13.5px;color:#fff;transition:.25s}
.onerilen-ara{background:var(--ates);flex:1}
.onerilen-ara:hover{background:var(--ates-koyu)}
.onerilen-wa{background:#25d366;width:42px;flex-shrink:0;font-size:18px}
.onerilen-wa:hover{background:#128c4a}

/* ---------- SERA KATEGORİ ---------- */
.sera-kat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.sera-kat-kart{background:linear-gradient(135deg,#fff,var(--gri));border:1px solid var(--kenar);border-radius:var(--radius);padding:24px;text-align:center;transition:.3s}
.sera-kat-kart:hover{border-color:var(--ana);transform:translateY(-4px);box-shadow:var(--golge)}
.sera-kat-kart i{font-size:40px;color:var(--ana);margin-bottom:10px;display:block}
.sera-kat-kart h3{font-size:16px;color:var(--lacivert);margin-bottom:4px}
.sera-kat-kart span{font-size:13px;color:var(--gri-koyu)}
.sera-kategori-blok{margin:30px 0}
.sera-kategori-blok .bolum-baslik{text-align:left}
.sera-kategori-blok .bolum-baslik::after{left:0;transform:none}

/* ---------- SEKTÖRLER ---------- */
.sektorler{padding:52px 0;background:var(--lacivert);color:#fff}
.sektorler .bolum-baslik{color:#fff}
.sektorler .bolum-alt{color:#c8d4d8}
.sektor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:20px}
.sektor-kart{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:28px 18px;text-align:center;transition:.3s}
.sektor-kart:hover{background:var(--ana);transform:translateY(-4px)}
.sektor-kart i{font-size:40px;color:var(--ates);margin-bottom:10px;display:block}
.sektor-kart:hover i{color:#fff}
.sektor-kart h3{font-size:15.5px;color:#fff}

/* ---------- PROJE SÜRECİ ---------- */
.proje-sureci{padding:52px 0}
.surec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}
.surec-adim{position:relative;background:var(--gri);padding:32px 22px 26px;border-radius:var(--radius);text-align:center}
.surec-no{position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:34px;height:34px;border-radius:50%;background:var(--ates);color:#fff;font-weight:700;display:grid;place-items:center;font-size:16px}
.surec-adim i{font-size:38px;color:var(--ana);margin:8px 0 12px;display:block}
.surec-adim h3{font-size:17px;color:var(--lacivert);margin-bottom:8px}
.surec-adim p{font-size:14px;color:var(--gri-koyu)}

/* ---------- BLINKING CTA (kural 29) ---------- */
.cta-blink{margin:36px 0;background:linear-gradient(90deg,var(--ates),var(--ates-koyu));color:#fff;border-radius:14px;padding:20px 26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center;text-align:center;animation:ctaPulse 1.6s infinite}
@keyframes ctaPulse{0%,100%{box-shadow:0 0 0 0 rgba(232,89,31,.5)}50%{box-shadow:0 0 0 14px rgba(232,89,31,0)}}
.cta-blink i{font-size:30px;animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.cta-blink span{font-size:16.5px}
.cta-blink strong{background:#fff;color:var(--ates-koyu);padding:1px 8px;border-radius:5px;margin:0 2px}
.cta-blink-btn{background:#fff;color:var(--ates-koyu);padding:11px 24px;border-radius:50px;font-weight:700;white-space:nowrap}
.cta-blink-btn:hover{background:var(--lacivert);color:#fff}

/* ---------- FAQ ---------- */
.faq-blok{padding:44px 0}
.faq-liste{max-width:840px;margin:26px auto 0}
.faq-item{background:var(--gri);border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid var(--kenar)}
.faq-soru{padding:18px 22px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--lacivert)}
.faq-soru i{color:var(--ates);transition:.3s;flex-shrink:0}
.faq-item.acik .faq-soru i{transform:rotate(45deg)}
.faq-cevap{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px}
.faq-item.acik .faq-cevap{max-height:400px;padding:0 22px 18px}
.faq-cevap p{font-size:14.5px;color:var(--gri-koyu)}

/* ---------- BÖLGELER ---------- */
.bolgeler-blok{padding:44px 0;background:var(--gri)}
.bolge-alt-baslik{font-size:17px;color:var(--ana);margin:18px 0 12px;font-weight:600}
.bolge-linkler{display:flex;flex-wrap:wrap;gap:8px}
.bolge-linkler a{background:#fff;border:1px solid var(--kenar);padding:7px 14px;border-radius:50px;font-size:13.5px;color:var(--gri-koyu)}
.bolge-linkler a:hover{background:var(--ana);color:#fff;border-color:var(--ana)}

/* ---------- İLETİŞİM ---------- */
.iletisim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.iletisim-kart{background:var(--gri);border-radius:var(--radius);padding:26px;text-align:center}
.iletisim-kart i{font-size:38px;color:var(--ates);margin-bottom:10px;display:block}
.iletisim-kart h3{font-size:17px;color:var(--lacivert);margin-bottom:8px}
.iletisim-kart a:hover{color:var(--ana)}

/* ---------- FOOTER ---------- */
.footer{background:var(--lacivert);color:#c2d0d4;padding:50px 0 0;margin-top:50px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:34px}
.footer-kol h4{color:#fff;font-size:17px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-kol h4::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--ates);border-radius:2px}
.footer-kol p{font-size:14px;margin-bottom:10px}
.footer-kol ul{list-style:none}
.footer-kol ul li{margin-bottom:9px}
.footer-kol ul li a{font-size:14px}
.footer-kol ul li a:hover{color:var(--ates);padding-left:4px}
.footer-kol i{color:var(--ates);margin-right:6px}
.footer-logo{margin-bottom:14px}
.footer-logo .logo-text{color:#fff}
.footer-kol a:hover{color:var(--ates)}
.footer-alt{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 0;font-size:13.5px;text-align:center}

/* ---------- MOBİL CTA (modern, dikkat çeken, yanıp sönen) ---------- */
.mobil-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1200;padding:9px 10px calc(9px + env(safe-area-inset-bottom));gap:10px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 -6px 24px rgba(0,0,0,.14)}
.mobil-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 10px;border-radius:16px;font-weight:800;font-size:16px;color:#fff;position:relative;overflow:hidden;letter-spacing:.4px;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.mobil-ara{background:linear-gradient(135deg,#ff7a2f,#e8410f);animation:ctaZipla 1.4s ease-in-out infinite}
.mobil-wa{background:linear-gradient(135deg,#2bd66a,#128c4a);animation:ctaZipla 1.4s ease-in-out infinite .5s}
.mobil-btn-ikon{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.25);display:grid;place-items:center;flex-shrink:0}
.mobil-btn-ikon i{font-size:21px;animation:ikonSalla 1s ease-in-out infinite}
.mobil-btn-yazi{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.mobil-btn-yazi small{font-size:10px;font-weight:600;opacity:.9;letter-spacing:.5px}
@keyframes ctaZipla{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes ikonSalla{0%,100%{transform:rotate(0)}25%{transform:rotate(-12deg)}75%{transform:rotate(12deg)}}
/* parıltı efekti */
.mobil-btn::after{content:'';position:absolute;top:0;left:-120%;width:55%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);animation:parilti 2.6s infinite}
@keyframes parilti{0%{left:-120%}45%,100%{left:160%}}

/* ---------- MASAÜSTÜ SABİT DAİRE BUTONLAR ---------- */
.sabit-iletisim{position:fixed;right:18px;bottom:22px;z-index:1150;display:flex;flex-direction:column;gap:14px}
.sabit-daire{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:30px;box-shadow:0 8px 22px rgba(0,0,0,.25);position:relative;transition:transform .25s}
.sabit-daire:hover{transform:scale(1.1)}
.sabit-wa{background:linear-gradient(135deg,#2bd66a,#128c4a)}
.sabit-ara{background:linear-gradient(135deg,#ff7a2f,#e8410f)}
/* yanıp sönen dalga halkası */
.sabit-daire::before{content:'';position:absolute;inset:0;border-radius:50%;animation:dalgaHalka 1.8s ease-out infinite}
.sabit-wa::before{box-shadow:0 0 0 0 rgba(43,214,106,.6)}
.sabit-ara::before{box-shadow:0 0 0 0 rgba(232,89,31,.6)}
.sabit-ara::before{animation-delay:.4s}
@keyframes dalgaHalka{0%{box-shadow:0 0 0 0 rgba(43,214,106,.55)}100%{box-shadow:0 0 0 18px rgba(43,214,106,0)}}
.sabit-ara::before{animation-name:dalgaHalkaTuruncu}
@keyframes dalgaHalkaTuruncu{0%{box-shadow:0 0 0 0 rgba(232,89,31,.55)}100%{box-shadow:0 0 0 18px rgba(232,89,31,0)}}
.sabit-daire i{animation:ikonSalla 1.1s ease-in-out infinite}

.ortali-404{text-align:center;padding:60px 0}
.ortali-404 h1{color:var(--ates)}