/* ===================================================================
   Çankaya Su Tesisatçısı - Ana Stil Dosyası
   Canlı, mobil öncelikli, su/temizlik temalı tasarım
   =================================================================== */

:root {
  --blue: #0E63B0;
  --blue-2: #0B4E8C;
  --blue-dark: #0A2540;
  --navy: #071D33;
  --cyan: #00B4D8;
  --cyan-light: #E6F7FC;
  --orange: #F97316;
  --orange-dark: #EA580C;
  --green: #25D366;
  --green-dark: #1DA851;
  --bg: #F5F9FD;
  --white: #ffffff;
  --text: #14263D;
  --muted: #5A6B82;
  --line: #E3EBF3;
  --shadow: 0 10px 30px rgba(10, 37, 64, 0.10);
  --shadow-sm: 0 4px 14px rgba(10, 37, 64, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-2); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.6em; font-weight: 800; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--blue); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 2000;
}
.skip-link:focus { left: 0; color: #fff; }

/* --- Butonlar --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 22px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 0; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  line-height: 1; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-call { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); color: #fff; box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35); }
.btn-call:hover { color: #fff; box-shadow: 0 10px 26px rgba(249, 115, 22, 0.45); }
.btn-whatsapp { background: linear-gradient(135deg, #2BE26A, var(--green-dark)); color: #fff; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.32); }
.btn-whatsapp:hover { color: #fff; box-shadow: 0 10px 26px rgba(37, 211, 102, 0.42); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-white { background: #fff; color: var(--blue); }
.btn-white:hover { color: var(--blue); }
.btn-lg { padding: 17px 30px; font-size: 17px; }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* --- Üst bilgi çubuğu --- */
.topbar { background: var(--navy); color: #C9D8EA; font-size: 13.5px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 12px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; color: #C9D8EA; }
.topbar-item svg { width: 15px; height: 15px; color: var(--cyan); }
.topbar-phone { font-weight: 700; color: #fff; }
.topbar-phone:hover { color: var(--cyan); }

/* --- Header --- */
.site-header { position: sticky; top: 0; z-index: 900; background: #fff; box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 74px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); }
.brand:hover { color: var(--text); }
.logo-mark { flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 17px; font-weight: 800; color: var(--blue-dark); }
.brand-text strong em { font-style: normal; color: var(--blue); }
.brand-text small { font-size: 11.5px; color: var(--muted); letter-spacing: 0.02em; }

.main-nav ul { display: flex; list-style: none; gap: 4px; margin: 0; padding: 0; }
.main-nav a {
  display: block; padding: 10px 15px; border-radius: 999px; font-weight: 600; font-size: 15px;
  color: var(--text); transition: background .15s, color .15s;
}
.main-nav a:hover { background: var(--cyan-light); color: var(--blue); }
.main-nav a.is-active { background: var(--blue); color: #fff; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .header-wa span, .header-actions .btn-call span { display: inline; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: transparent; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--blue-dark); border-radius: 3px; transition: transform .2s, opacity .2s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav-close { display: none; position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; background: transparent; border: 0; cursor: pointer; z-index: 2; }
.nav-close span { position: absolute; top: 50%; left: 50%; width: 24px; height: 2.5px; background: var(--blue-dark); border-radius: 3px; }
.nav-close span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
.nav-close span:nth-child(2) { transform: translate(-50%, -50%) rotate(-45deg); }

.nav-backdrop { position: fixed; inset: 0; background: rgba(7, 29, 51, 0.55); z-index: 890; opacity: 0; visibility: hidden; transition: opacity .28s ease, visibility .28s ease; }
.nav-backdrop.open { opacity: 1; visibility: visible; }

/* --- Hero --- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 500px at 80% -10%, #0E63B0 0%, transparent 60%),
              linear-gradient(135deg, var(--navy) 0%, var(--blue-dark) 55%, var(--blue) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 140px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140' preserveAspectRatio='none'%3E%3Cpath d='M0 70 C360 140 1080 0 1440 70 L1440 140 L0 140 Z' fill='%23F5F9FD'/%3E%3C/svg%3E") bottom/100% 100% no-repeat;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; padding: 64px 0 120px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 999px; padding: 7px 14px; font-size: 13.5px; font-weight: 600; margin-bottom: 18px; }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: pulseDot 2s infinite; }
.hero h1 { font-size: clamp(30px, 5vw, 50px); color: #fff; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: #7DD3FC; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 19px); color: #C9D8EA; max-width: 540px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.hero-trust .t { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 600; color: #EAF4FF; }
.hero-trust .t svg { width: 20px; height: 20px; color: #4ADE80; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual svg.hero-ill { width: 100%; max-width: 460px; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35)); }

/* --- Hero slider --- */
.hero-slider { position: relative; height: 540px; overflow: hidden; color: #fff; background: var(--navy); }
.hero-slider .slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility .6s ease; background-size: cover; background-position: center; }
.slide.active { opacity: 1; visibility: visible; }
.slide-overlay { position: absolute; inset: 0; background: linear-gradient(95deg, rgba(7,29,51,.96) 0%, rgba(10,37,64,.85) 42%, rgba(10,37,64,.45) 76%, rgba(10,37,64,.28) 100%); }
.slide-inner { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 60px 20px 110px; width: 100%; max-width: var(--container); margin: 0 auto; }
.slide .hero-badge { align-self: flex-start; margin-bottom: 16px; }
.slide-title { font-size: clamp(28px, 4.5vw, 48px); color: #fff; margin-bottom: 14px; max-width: 640px; font-weight: 800; line-height: 1.12; letter-spacing: -0.02em; text-shadow: 0 2px 24px rgba(0,0,0,0.35); }
.slide p.lead { font-size: clamp(16px, 2vw, 19px); color: #DCE8F5; max-width: 560px; margin-bottom: 28px; text-shadow: 0 1px 12px rgba(0,0,0,0.3); }

/* Slayt içerik giriş animasyonu */
.slide-inner > * { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.slide.active .slide-inner > * { opacity: 1; transform: translateY(0); }
.slide.active .slide-inner > *:nth-child(1) { transition-delay: .08s; }
.slide.active .slide-inner > *:nth-child(2) { transition-delay: .16s; }
.slide.active .slide-inner > *:nth-child(3) { transition-delay: .24s; }
.slide.active .slide-inner > *:nth-child(4) { transition-delay: .32s; }

.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.35); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; transition: background .2s ease; display: flex; align-items: center; justify-content: center; }
.slider-arrow:hover { background: rgba(255,255,255,0.28); }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }

.slider-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; gap: 9px; }
.slider-dots .dot { width: 24px; height: 6px; border-radius: 999px; background: rgba(255,255,255,0.45); cursor: pointer; border: 0; transition: background .3s ease, width .3s ease; }
.slider-dots .dot.active { background: #fff; width: 34px; }

/* --- Bölüm başlıkları --- */
.section { padding: 70px 0; }
.section.alt { background: #fff; }
.section-head { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-head .kicker { display: inline-block; color: var(--orange); font-weight: 700; font-size: 13.5px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); color: var(--blue-dark); }
.section-head p { color: var(--muted); font-size: 17px; }

/* --- Servis kartları --- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
  display: flex; flex-direction: column; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #CFE6F7; }
.card .icon-wrap { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; margin-bottom: 16px; }
.card .icon-wrap .icon-svg { width: 28px; height: 28px; }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card h3 a { color: var(--blue-dark); }
.card h3 a:hover { color: var(--blue); }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 16px; flex: 1; }
.card .card-link { font-weight: 700; font-size: 14.5px; color: var(--blue); display: inline-flex; align-items: center; gap: 6px; }
.card .card-link::after { content: "→"; transition: transform .15s; }
.card:hover .card-link::after { transform: translateX(3px); }

/* --- Kart görseli --- */
.card-media {
  display: block; border-radius: 12px; overflow: hidden; margin-bottom: 16px;
  aspect-ratio: 3 / 2; background: var(--cyan-light);
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.card:hover .card-media img { transform: scale(1.06); }

/* --- Hizmet detay görseli --- */
.service-hero { margin: 0 0 24px; border-radius: 16px; overflow: hidden; }
.service-hero img { width: 100%; height: auto; display: block; }

/* --- İçerik sayfaları (2 sütun: içerik + sidebar) --- */
.layout { display: grid; grid-template-columns: 1fr 330px; gap: 34px; align-items: start; padding-top: 44px; padding-bottom: 60px; }

.breadcrumb { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb .sep { margin: 0 6px; color: #B8C6D6; }

.page-title { font-size: clamp(26px, 4vw, 38px); color: var(--blue-dark); margin-bottom: 12px; }
.page-intro { font-size: 17px; color: #33455F; }

.prose { font-size: 16.5px; color: #2A3B52; }
.prose h2 { font-size: 22px; color: var(--blue-dark); margin: 28px 0 10px; }
.prose p { margin-bottom: 16px; }
.prose a { font-weight: 600; text-decoration: underline; text-decoration-color: #BFDCF2; text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--blue); }

/* --- SSS (FAQ) --- */
.faq-list { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 0; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 20px; font-weight: 700; font-size: 16px; color: var(--blue-dark); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; font-weight: 600; color: var(--blue); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 20px 18px; color: var(--muted); font-size: 15.5px; }

/* --- Sidebar --- */
.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 94px; }
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.side-title { font-size: 17px; color: var(--blue-dark); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--cyan-light); }
.side-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.side-menu a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--text); font-size: 14.5px; font-weight: 500; }
.side-menu a:hover { background: var(--cyan-light); color: var(--blue); }
.side-menu a .icon-svg { width: 19px; height: 19px; color: var(--blue); flex: none; }
.side-menu-regions a { font-size: 13.8px; }
.side-more { display: inline-block; margin-top: 10px; font-size: 13.5px; font-weight: 700; color: var(--blue); }

/* --- Sidebar link kartları --- */
.side-links { display: flex; flex-direction: column; gap: 12px; }
.side-link-card {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-weight: 700; font-size: 15.5px; color: var(--blue-dark);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
.side-link-card:hover {
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(14, 99, 176, 0.30);
}
.side-link-card .side-link-icon {
  width: 42px; height: 42px; flex: none;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  transition: background .2s ease;
}
.side-link-card .side-link-icon svg { width: 21px; height: 21px; }
.side-link-card:hover .side-link-icon { background: rgba(255,255,255,0.18); }
.side-link-card .side-link-text { flex: 1; line-height: 1.25; }
.side-link-card .side-link-arrow {
  font-size: 18px; font-weight: 800; color: var(--blue);
  transition: transform .2s ease, color .2s ease;
}
.side-link-card:hover .side-link-arrow { color: #fff; transform: translateX(4px); }

.side-cta { background: linear-gradient(160deg, var(--blue-dark), var(--blue)); color: #fff; border: 0; }
.side-cta .side-title { color: #fff; border-color: rgba(255,255,255,0.2); }
.side-cta p { color: #C9D8EA; font-size: 14.5px; margin-bottom: 14px; }
.side-cta .btn { margin-top: 8px; }
.side-trust ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.side-trust li { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text); }
.side-trust li .icon-svg { width: 20px; height: 20px; color: var(--green-dark); }

/* --- Bölge listesi --- */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.region-chip { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; font-size: 14px; font-weight: 600; color: var(--text); transition: all .15s; }
.region-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--cyan-light); }

/* --- Hakkımızda / neden biz --- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split .split-media svg { width: 100%; height: auto; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; }
.feature-list .fi { width: 40px; height: 40px; flex: none; border-radius: 10px; background: var(--cyan-light); color: var(--blue); display: flex; align-items: center; justify-content: center; }
.feature-list .fi svg { width: 20px; height: 20px; }
.feature-list strong { display: block; color: var(--blue-dark); }
.feature-list span { color: var(--muted); font-size: 14.5px; }
.feature-list.cols-2 { grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .feature-list.cols-2 { grid-template-columns: 1fr; } }

/* --- İletişim --- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center; box-shadow: var(--shadow-sm); }
.contact-card .icon-wrap { margin: 0 auto 14px; width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; display: flex; align-items: center; justify-content: center; }
.contact-card .icon-wrap svg { width: 26px; height: 26px; }
.contact-card h3 { font-size: 17px; margin-bottom: 6px; }
.contact-card a { font-weight: 700; color: var(--blue); }

/* --- CTA bandı --- */
.cta-band { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: #fff; border-radius: 24px; padding: 46px 40px; text-align: center; margin: 20px 0; position: relative; overflow: hidden; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 4vw, 32px); margin-bottom: 10px; }
.cta-band p { color: #C9D8EA; max-width: 560px; margin: 0 auto 24px; }
.cta-band .hero-cta { justify-content: center; }

/* --- Footer --- */
.site-footer { background: var(--navy); color: #B7C7DA; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 34px; padding: 56px 20px 40px; }
.footer-col h3 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-col p { font-size: 14.5px; }
.brand-light strong { color: #fff; }
.brand-light strong em { color: #7DD3FC; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: #B7C7DA; font-size: 14.5px; }
.footer-links a:hover { color: #7DD3FC; }
.footer-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-contact li, .footer-contact a { display: flex; align-items: center; gap: 9px; color: #B7C7DA; font-size: 14.5px; }
.footer-contact a:hover { color: #7DD3FC; }
.footer-contact svg { width: 17px; height: 17px; color: #7DD3FC; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13.5px; }
.footer-links-mini a { color: #8095AB; margin-left: 14px; font-size: 13px; }

/* --- Sabit CTA --- */
.float-cta { position: fixed; right: 18px; bottom: 18px; z-index: 950; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.float-btn {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: 999px;
  color: #fff; font-weight: 700; font-size: 15px; box-shadow: 0 10px 26px rgba(0,0,0,0.28);
  transition: transform .18s ease; position: relative;
}
.float-btn:hover { color: #fff; transform: translateY(-3px) scale(1.03); }
.float-btn svg { width: 22px; height: 22px; }
.float-wa { background: linear-gradient(135deg, #2BE26A, var(--green-dark)); }
.float-call { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); }
.pulse-ring { position: absolute; inset: 0; border-radius: 999px; background: var(--orange); opacity: 0.5; animation: ring 2s infinite; z-index: -1; }

/* --- Animasyonlar --- */
@keyframes pulseDot { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); } 70% { box-shadow: 0 0 0 10px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }
@keyframes ring { 0% { transform: scale(1); opacity: .55; } 100% { transform: scale(1.55); opacity: 0; } }

/* --- Yardımcılar --- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 48px 0 110px; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-trust { justify-content: center; }
  .hero-visual { order: -1; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .topbar-inner { justify-content: center; text-align: center; }
  .brand-text small { display: none; }
  .nav-toggle { display: flex; }
  .nav-close { display: block; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(82vw, 320px);
    background: #fff; box-shadow: -10px 0 40px rgba(0,0,0,0.15); padding: 76px 22px 30px;
    transform: translateX(105%); transition: transform .28s ease; z-index: 910;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 6px; }
  .main-nav a { font-size: 17px; padding: 13px 16px; }
  .header-actions .header-wa, .header-actions .btn-call { display: none; }
  .slider-arrow { display: none; }
  .hero-slider { height: 480px; }
  .hero-slider .hero-cta .btn { padding: 13px 20px; font-size: 15.5px; flex: 0 1 auto; }
  .section { padding: 50px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding-top: 44px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .float-cta { right: 12px; bottom: 12px; }
  .float-label { display: none; }
  .float-btn { padding: 15px; }
  .cta-band { padding: 34px 20px; border-radius: 18px; }
  .layout { padding-top: 28px; }
}

@media (max-width: 480px) {
  .region-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-trust { flex-direction: column; align-items: center; gap: 12px; }
  .topbar-item { font-size: 12.5px; }
}

/* Çerez/engelleme katmanı (cihaz banı) */
.block-overlay { position: fixed; inset: 0; z-index: 99999; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.block-overlay .box { max-width: 480px; }
.block-overlay .ic { font-size: 56px; margin-bottom: 14px; }
.block-overlay h1 { font-size: 22px; color: #fff; }
.block-overlay p { color: #B7C7DA; }
.block-overlay a { color: #7DD3FC; font-weight: 700; }