/* ============================================================
   Muş Tesisat — mustesisat.com
   Açık ve sade tasarım — 2026
   ============================================================ */
:root{
  --primary-color:#0369a1;
  --primary-dark:#075985;
  --primary-light:#e0f2fe;
  --accent-color:#16a34a;
  --danger-color:#dc2626;
  --dark-color:#0f172a;
  --text-color:#334155;
  --gray-color:#64748b;
  --light-color:#f8fafc;
  --border-color:#e2e8f0;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 1px 3px rgba(15,23,42,.06);
  --shadow-lg:0 10px 30px rgba(2,105,161,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--text-color);background:var(--white);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto}
a{color:var(--primary-color);text-decoration:none}
a:hover{color:var(--primary-dark)}
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* --- Top bar --- */
.topbar{background:var(--dark-color);color:#cbd5e1;font-size:.83rem;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.topbar a{color:#e2e8f0;font-weight:600}
.topbar i{color:#7dd3fc;margin-right:6px}
.topbar-item{display:inline-flex;align-items:center;gap:4px}
@media(max-width:640px){.topbar-address{display:none}}

/* --- Header --- */
.site-header{background:var(--white);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}
.header-container{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 20px;max-width:1140px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:10px;line-height:1.15}
.logo-mark{width:44px;height:44px;flex:0 0 44px}
.logo-text{font-size:1.28rem;font-weight:800;color:var(--dark-color);letter-spacing:.3px}
.logo-text span{color:var(--primary-color)}
.logo-sub{display:block;font-size:.66rem;font-weight:600;color:var(--gray-color);letter-spacing:2.2px;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav-menu a{display:block;padding:9px 13px;font-weight:600;font-size:.95rem;color:var(--dark-color);border-radius:8px}
.nav-menu a:hover,.nav-menu a.active{background:var(--primary-light);color:var(--primary-dark)}
.call-btn-header{display:inline-flex;align-items:center;gap:8px;background:var(--primary-color);color:#fff!important;padding:10px 18px;border-radius:10px;font-weight:700;font-size:.95rem;white-space:nowrap}
.call-btn-header:hover{background:var(--primary-dark);color:#fff}
.hamburger-btn{display:none;background:none;border:1px solid var(--border-color);border-radius:8px;font-size:1.25rem;color:var(--dark-color);padding:8px 12px;cursor:pointer}
@media(max-width:960px){
  .hamburger-btn{display:block}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;padding:10px 16px 16px;border-bottom:1px solid var(--border-color);box-shadow:0 14px 30px rgba(15,23,42,.08)}
  .nav-menu.open{display:flex}
  .call-btn-header .call-text{display:none}
}

/* --- Hero --- */
.hero{background:linear-gradient(180deg,#f0f9ff 0%,#ffffff 100%);padding:64px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:2.45rem;line-height:1.22;color:var(--dark-color);margin-bottom:16px}
.hero h1 span{color:var(--primary-color)}
.hero-lead{font-size:1.08rem;color:var(--gray-color);margin-bottom:26px;max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:var(--white);border:1px solid var(--border-color);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:600;color:var(--dark-color)}
.hero-badge i{color:var(--accent-color)}
.hero-visual{text-align:center}
.hero-visual svg,.hero-visual img{max-width:100%;border-radius:var(--radius)}
@media(max-width:860px){.hero{padding:44px 0}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:1.85rem}.hero-visual{margin-top:8px}.hero-visual img{width:100%;height:auto}}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--primary-color);color:#fff!important;padding:13px 24px;border-radius:10px;font-weight:700;font-size:1rem;border:none;cursor:pointer;transition:.2s}
.btn:hover{background:var(--primary-dark)}
.btn-wa{background:var(--accent-color)}
.btn-wa:hover{background:#15803d}
.btn-outline{background:var(--white);color:var(--primary-color)!important;border:1.5px solid var(--primary-color)}
.btn-outline:hover{background:var(--primary-light)}
.btn-light{background:#fff;color:var(--primary-dark)!important}
.btn-light:hover{background:#e0f2fe}

/* --- Sections --- */
.section{padding:60px 0}
.section-alt{background:var(--light-color)}
.section-title{font-size:1.85rem;color:var(--dark-color);text-align:center;margin-bottom:10px;line-height:1.3}
.section-subtitle{text-align:center;color:var(--gray-color);max-width:640px;margin:0 auto 38px}
@media(max-width:640px){.section{padding:42px 0}.section-title{font-size:1.5rem}}

/* --- Cards / grids --- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#bae6fd}
.card h3{color:var(--dark-color);font-size:1.12rem;margin-bottom:9px}
.card p{color:var(--gray-color);font-size:.94rem;margin-bottom:12px}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:16px}
.card-link{font-weight:700;font-size:.9rem}
.card-link i{font-size:.78rem;margin-left:4px}

/* district cards */
.district-card ul{list-style:none;margin:10px 0 14px}
.district-card ul li{padding:4px 0;color:var(--text-color);font-size:.92rem}
.district-card ul li i{color:var(--accent-color);margin-right:8px;font-size:.8rem}

/* steps */
.step-num{width:42px;height:42px;border-radius:50%;background:var(--primary-color);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1.05rem;margin-bottom:14px}

/* --- CTA band --- */
.cta-band{background:linear-gradient(120deg,var(--primary-dark),var(--primary-color));border-radius:var(--radius);padding:38px 34px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.cta-band h2,.cta-band h3{color:#fff;font-size:1.45rem;margin-bottom:6px}
.cta-band p{color:#e0f2fe;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* --- Article / SEO content --- */
.breadcrumb-nav{background:var(--light-color);border-bottom:1px solid var(--border-color);padding:11px 0;font-size:.86rem}
.breadcrumb-nav ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.seo-text-block{padding:46px 0 60px}
.seo-content-wrapper{max-width:820px}
.page-badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:5px 14px;border-radius:20px;font-size:.8rem;font-weight:700;margin-bottom:14px}
.seo-heading{font-size:1.35rem;color:var(--dark-color);margin:30px 0 12px;line-height:1.35}
.seo-paragraph{color:var(--text-color);margin-bottom:16px;line-height:1.85}
.seo-content-wrapper ul,.seo-content-wrapper ol{margin:0 0 16px 22px}
.seo-content-wrapper li{margin-bottom:7px}
.about-img-right{float:right;margin:6px 0 18px 26px;border-radius:12px;max-width:350px;width:100%;box-shadow:var(--shadow-lg)}
@media(max-width:680px){.about-img-right{float:none;margin:0 0 18px;max-width:100%}}
.article-img-block{margin:22px 0;text-align:center}
.article-img-block img{border-radius:12px;box-shadow:var(--shadow-lg)}
.article-img-caption{font-size:.83rem;color:var(--gray-color);margin-top:8px}

/* FAQ */
.faq-item{background:var(--white);border:1px solid var(--border-color);border-radius:10px;padding:18px 22px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq-item h3{font-size:1.02rem;color:var(--dark-color);margin-bottom:7px}
.faq-item p{color:var(--gray-color);font-size:.94rem;margin:0}

/* related links */
.related-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.related-links a{background:var(--light-color);border:1px solid var(--border-color);padding:8px 15px;border-radius:999px;font-size:.86rem;font-weight:600;color:var(--dark-color)}
.related-links a:hover{background:var(--primary-light);border-color:#bae6fd;color:var(--primary-dark)}

/* contact */
.contact-info-card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:18px}
.contact-info-card h3{color:var(--dark-color);font-size:1.05rem;margin-bottom:8px}
.contact-info-card i{color:var(--primary-color);margin-right:9px}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow)}
.map-wrap iframe{display:block;width:100%;height:100%;min-height:340px;border:0}

/* --- Footer --- */
.site-footer{background:var(--dark-color);color:#94a3b8;padding:54px 0 0;margin-top:70px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px}
@media(max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:15px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-links a{color:#94a3b8}
.footer-links a:hover{color:#7dd3fc}
.footer-brand{font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:10px;display:block}
.footer-brand span{color:#38bdf8}
.footer-contact li{margin-bottom:11px;list-style:none;display:flex;gap:10px}
.footer-contact i{color:#38bdf8;margin-top:5px}
.footer-contact a{color:#e2e8f0;font-weight:600}
.footer-bottom{border-top:1px solid #1e293b;padding:16px 0;text-align:center;font-size:.83rem;color:#64748b}
.footer-bottom a{color:#94a3b8}

/* social links */
.social-links{display:flex;gap:10px;margin-top:16px}
.social-links a{width:38px;height:38px;border-radius:10px;background:#1e293b;color:#cbd5e1;display:flex;align-items:center;justify-content:center;font-size:1.05rem;transition:.2s}
.social-links a:hover{background:var(--primary-color);color:#fff}
.social-links-light a{background:var(--primary-light);color:var(--primary-dark)}
.social-links-light a:hover{background:var(--primary-color);color:#fff}

/* floating buttons */
.float-wa{position:fixed;right:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff!important;display:flex;align-items:center;justify-content:center;font-size:1.65rem;box-shadow:0 8px 24px rgba(37,211,102,.4)}
.float-call{position:fixed;left:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;background:var(--danger-color);color:#fff!important;display:none;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 8px 24px rgba(220,38,38,.4)}
@media(max-width:860px){.float-call{display:flex}}

/* promo coupon banner */
.promo-banner{background:linear-gradient(120deg,#fffbeb,#fef3c7);border-bottom:1px solid #fde68a}
.promo-inner{max-width:1140px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;text-align:center}
.promo-coupon{display:inline-flex;align-items:center;gap:14px;background:#fff;border:2px dashed #d97706;border-radius:12px;padding:8px 18px}
.promo-percent{font-size:1.7rem;font-weight:900;color:#dc2626;line-height:1}
.promo-percent small{display:block;font-size:.62rem;font-weight:800;color:#92400e;letter-spacing:1.5px}
.promo-text{font-weight:700;color:#78350f;font-size:.98rem}
.promo-text span{color:#dc2626}
.promo-banner .btn{padding:9px 18px;font-size:.9rem;background:#d97706}
.promo-banner .btn:hover{background:#b45309}
@media(max-width:640px){.promo-inner{gap:10px;padding:12px 14px}.promo-text{font-size:.88rem}}

/* misc */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-30{margin-bottom:30px}