/* Antalya Su Arıtma — site stilleri */
:root {
  --blue-900: #0c4a6e;
  --blue-800: #075985;
  --blue-700: #0369a1;
  --blue-600: #0284c7;
  --blue-500: #0ea5e9;
  --blue-100: #e0f2fe;
  --blue-50:  #f0f9ff;
  --ink:      #0f172a;
  --ink-2:    #334155;
  --ink-3:    #64748b;
  --line:     #e2e8f0;
  --bg:       #ffffff;
  --wa:       #25d366;
  --radius:   14px;
  --shadow:   0 4px 24px rgba(2, 132, 199, .10);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 8px; top: 8px; background: #fff; padding: 8px 14px; z-index: 99; border-radius: 8px; }

h1, h2, h3, h4 { line-height: 1.25; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }

/* Üst bar */
.topbar { background: var(--blue-900); color: #cfe9f7; font-size: .85rem; }
.topbar a { color: #fff; font-weight: 600; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 12px; }
.topbar-right { display: flex; gap: 18px; align-items: center; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.header-in { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 38px; height: 38px; }
.brand-img { height: 48px; width: auto; max-width: 230px; object-fit: contain; }
.footer-logo { height: 46px; width: auto; max-width: 220px; object-fit: contain; margin-bottom: 12px; background: #fff; border-radius: 8px; padding: 5px 10px; }
.brand-text { font-size: 1.25rem; color: var(--ink); letter-spacing: -.3px; }
.brand-text strong { color: var(--blue-700); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { color: var(--ink-2); font-weight: 500; padding: 8px 12px; border-radius: 8px; }
.main-nav a:hover { background: var(--blue-50); color: var(--blue-700); }
.main-nav a.on { color: var(--blue-700); background: var(--blue-100); }
.nav-toggle { display: none; font-size: 1.5rem; background: none; border: 0; cursor: pointer; color: var(--ink); }
.nav-cta { margin-left: 8px; }

/* Butonlar */
.btn { display: inline-block; padding: 11px 22px; border-radius: 10px; font-weight: 600; border: 0; cursor: pointer; font-size: .95rem; transition: .15s; }
.btn-primary { background: var(--blue-600); color: #fff !important; }
.btn-primary:hover { background: var(--blue-700); }
.btn-outline { border: 2px solid var(--blue-600); color: var(--blue-700); background: #fff; }
.btn-outline:hover { background: var(--blue-50); }
.btn-light { background: #fff; color: var(--blue-800) !important; }
.btn-wa { background: var(--wa); color: #fff !important; }
.btn-sm { padding: 7px 14px; font-size: .85rem; }

/* Hero / Slider */
.hero { background: linear-gradient(160deg, var(--blue-50) 0%, var(--blue-100) 55%, #bae6fd 100%); overflow: hidden; position: relative; }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding: 64px 20px 40px; }
.hero h1 { margin-bottom: 16px; }
.hero h1 em { color: var(--blue-700); font-style: normal; }
.hero p { color: var(--ink-2); font-size: 1.08rem; margin-bottom: 26px; max-width: 54ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { justify-self: center; }
.hero-img { max-width: 340px; max-height: 320px; object-fit: contain; border-radius: 18px; }
.hero-badges-wrap { padding-bottom: 30px; }
.hero-badges { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-badges span { font-size: .9rem; color: var(--ink-2); font-weight: 600; }

.slider-track { display: grid; }
.slider-track .slide { grid-area: 1 / 1; opacity: 0; transition: opacity .6s ease; pointer-events: none; }
.slider-track .slide.active { opacity: 1; pointer-events: auto; }
.slider-nav { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 4px 0 10px; }
.slider-arrow { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--blue-500); background: #fff; color: var(--blue-700); font-size: 1.3rem; line-height: 1; cursor: pointer; transition: .15s; }
.slider-arrow:hover { background: var(--blue-600); color: #fff; }
.slider-dots { display: flex; gap: 8px; }
.slider-dot { width: 11px; height: 11px; border-radius: 50%; border: 0; background: #ffffffcc; outline: 1px solid var(--blue-500); cursor: pointer; padding: 0; }
.slider-dot.on { background: var(--blue-600); }

/* Bölümler */
.section { padding: 64px 0; }
.section-alt { background: var(--blue-50); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head p { color: var(--ink-3); margin-top: 10px; }
.kicker { display: inline-block; color: var(--blue-600); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; }

/* Kartlar */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .2s; display: flex; flex-direction: column; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--blue-50); }
.card-img-ph { aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; background: linear-gradient(140deg, var(--blue-50), var(--blue-100)); font-size: 3rem; }
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 1.05rem; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--blue-700); }
.card-body p { color: var(--ink-3); font-size: .92rem; flex: 1; }
.card-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.price { font-weight: 700; color: var(--blue-700); font-size: 1.1rem; }
.price-ask { font-weight: 600; color: var(--ink-3); font-size: .9rem; }
.badge { display: inline-block; background: var(--blue-100); color: var(--blue-800); font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; }

/* Hizmet kartı */
.service-card { text-align: center; padding: 30px 22px; }
.service-icon { font-size: 2.4rem; margin-bottom: 12px; }

/* Özellik şeridi */
.feature-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-item { display: flex; gap: 14px; align-items: flex-start; }
.feature-item .fi { font-size: 1.7rem; }
.feature-item h3 { font-size: .98rem; margin-bottom: 4px; }
.feature-item p { font-size: .86rem; color: var(--ink-3); }

/* Detay sayfaları */
.page-head { background: linear-gradient(140deg, var(--blue-800), var(--blue-600)); color: #fff; padding: 44px 0; }
.page-head h1 { color: #fff; }
.page-head .crumbs { font-size: .85rem; margin-bottom: 8px; color: #bae6fd; }
.page-head .crumbs a { color: #e0f2fe; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.detail-img { border-radius: var(--radius); border: 1px solid var(--line); }
.detail-info h1 { margin-bottom: 12px; }
.detail-price { font-size: 1.6rem; font-weight: 800; color: var(--blue-700); margin: 14px 0; }
.features-list { list-style: none; margin: 18px 0; }
.features-list li { padding: 7px 0 7px 30px; position: relative; border-bottom: 1px dashed var(--line); }
.features-list li::before { content: "✓"; position: absolute; left: 4px; color: var(--blue-600); font-weight: 800; }
.content { color: var(--ink-2); }
.content h2, .content h3 { margin: 26px 0 10px; }
.content p, .content ul, .content ol { margin-bottom: 14px; }
.content ul, .content ol { padding-left: 22px; }
.content img { border-radius: 10px; margin: 10px 0; }
.content blockquote { border-left: 4px solid var(--blue-500); background: var(--blue-50); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 16px 0; }
.content table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.content th, .content td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; font-size: .93rem; }
.content th { background: var(--blue-50); }

/* Blog */
.post-meta { color: var(--ink-3); font-size: .85rem; }
.article { max-width: 780px; margin: 0 auto; }
.article-img { border-radius: var(--radius); margin-bottom: 26px; }

/* Filtre çubukları */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; justify-content: center; }
.filter-bar a { padding: 8px 18px; border-radius: 99px; border: 1px solid var(--line); color: var(--ink-2); font-weight: 600; font-size: .88rem; }
.filter-bar a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.filter-bar a.on { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-info-card { background: var(--blue-50); border-radius: var(--radius); padding: 28px; }
.contact-info-card p { margin: 10px 0; }
.form-grid { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { font-weight: 600; font-size: .9rem; display: block; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=time],
input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #cbd5e1; border-radius: 10px;
  font: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue-500); border-color: var(--blue-500); }
textarea { min-height: 130px; resize: vertical; }

/* CTA bandı + footer */
.cta-band { background: linear-gradient(120deg, var(--blue-800), var(--blue-600)); color: #fff; padding: 44px 0; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: #d6ecfa; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.site-footer { background: #0b1c2c; color: #9fb6c9; padding: 52px 0 0; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 40px; padding-bottom: 36px; }
.footer-brand { font-size: 1.2rem; color: #fff; margin-bottom: 10px; }
.footer-brand strong { color: var(--blue-500); }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.site-footer nav a { display: block; color: #9fb6c9; padding: 4px 0; }
.site-footer nav a:hover, .site-footer p a:hover { color: #fff; }
.site-footer p a { color: #cfe3f1; }
.footer-bottom { border-top: 1px solid #1c3348; padding: 18px 20px; text-align: center; font-size: .82rem; }

/* WhatsApp yüzen buton */
.wa-float { position: fixed; right: 22px; bottom: 22px; width: 56px; height: 56px; background: var(--wa); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(0,0,0,.25); z-index: 60; }
.wa-float:hover { transform: scale(1.07); }

/* Flash */
.flash { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 600; }
.flash.success { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }

/* Sayfalama */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.pagination a, .pagination span { padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; font-weight: 600; }
.pagination .cur { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }

.empty-note { text-align: center; color: var(--ink-3); padding: 40px 0; }

/* Duyarlılık */
@media (max-width: 960px) {
  .grid-3, .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-in { grid-template-columns: 1fr; padding: 44px 20px; }
  .hero-art { display: none; }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .grid-3, .grid-4, .feature-strip, .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 12px 16px 18px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0,0,0,.08); }
  .main-nav.open { display: flex; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
}