/* ==========================================================================
   BTK Servis - Beyaz Eşya, Kombi ve Klima Servisi
   Bağımsız servis şablonu. Renk paleti: zümrüt-yeşil + krem, ferah ve sade.
   ========================================================================== */

:root {
  --brand: #0fa37f;
  --brand-700: #0c7e62;
  --brand-900: #0a5f4a;
  --accent: #f5a623;
  --ink: #102a24;
  --muted: #5d7771;
  --line: #e2efe9;
  --bg: #f3faf7;
  --soft: #e9f6f0;
  --white: #ffffff;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow-sm: 0 2px 10px rgba(12, 80, 62, .06);
  --shadow: 0 16px 40px rgba(12, 80, 62, .12);
  --container: 1140px;
  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15.5px; line-height: 1; padding: 16px 28px; border-radius: 999px; cursor: pointer; border: 2px solid transparent; transition: transform .15s, box-shadow .2s, background .2s; white-space: nowrap; }
.btn svg { width: 19px; height: 19px; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 12px 26px rgba(15, 163, 127, .32); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-2px); }
.btn-outline { background: #fff; color: var(--brand-700); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-outline:hover { transform: translateY(-2px); border-color: var(--brand); }
.btn-white { background: #fff; color: var(--brand-700); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-block { width: 100%; justify-content: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(243, 250, 247, .9); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 21px; color: var(--brand-900); letter-spacing: -.4px; }
.brand .logo { width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0; background: linear-gradient(135deg, var(--brand), var(--brand-700)); display: grid; place-items: center; color: #fff; box-shadow: 0 8px 18px rgba(15,163,127,.3); }
.brand .logo svg { width: 24px; height: 24px; }
.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: .3px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 10px 16px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: background .15s, color .15s; }
.nav a:hover, .nav a.active { background: var(--soft); color: var(--brand-700); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { display: inline-flex; align-items: center; gap: 10px; background: var(--soft); padding: 10px 18px; border-radius: 999px; font-weight: 800; color: var(--brand-900); }
.header-phone svg { width: 18px; height: 18px; color: var(--brand); }
.header-phone small { display: block; font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .3px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; color: var(--brand-900); }
.nav-toggle svg { width: 28px; height: 28px; }

/* Hero */
.hero { position: relative; overflow: hidden; text-align: center; padding: 80px 0 90px; background: radial-gradient(900px 420px at 50% -8%, var(--soft), transparent 70%); }
.hero .tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.tag { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--brand-700); box-shadow: var(--shadow-sm); }
.tag svg { width: 15px; height: 15px; color: var(--brand); }
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.08; font-weight: 800; letter-spacing: -1.2px; color: var(--ink); }
.hero h1 .hl { color: var(--brand); }
.hero p.lead { max-width: 640px; margin: 20px auto 0; font-size: 18.5px; color: var(--muted); }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-features { display: grid; grid-template-columns: repeat(2, minmax(0, 320px)); gap: 18px; justify-content: center; margin-top: 54px; }
.hero-feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: left; display: flex; gap: 16px; box-shadow: var(--shadow-sm); }
.hero-feature .ico { width: 50px; height: 50px; flex-shrink: 0; border-radius: 14px; background: var(--soft); color: var(--brand-700); display: grid; place-items: center; }
.hero-feature .ico svg { width: 25px; height: 25px; }
.hero-feature h3 { font-size: 16.5px; margin-bottom: 3px; }
.hero-feature p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.hero-banner { margin: 50px auto 0; max-width: 1000px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero-banner img { width: 100%; height: auto; display: block; }

/* Sections */
.section { padding: 86px 0; }
.section.tint { background: var(--white); }
.section-head { max-width: 700px; margin: 0 auto 52px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .6px; text-transform: uppercase; color: var(--brand); background: var(--soft); padding: 7px 16px; border-radius: 999px; margin-bottom: 16px; }
.section-head h2 { font-size: clamp(27px, 3.6vw, 38px); line-height: 1.15; letter-spacing: -.8px; color: var(--ink); }
.section-head p { margin-top: 14px; font-size: 17px; color: var(--muted); }

/* Intro block */
.intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.intro-badge { display: inline-block; background: var(--soft); color: var(--brand-700); font-weight: 800; font-size: 13px; letter-spacing: .5px; text-transform: uppercase; padding: 8px 16px; border-radius: 999px; margin-bottom: 16px; }
.intro h2 { font-size: clamp(26px, 3.4vw, 35px); letter-spacing: -.7px; line-height: 1.18; }
.intro p { margin-top: 16px; color: var(--muted); font-size: 16px; }
.intro-visual { background: linear-gradient(160deg, var(--brand), var(--brand-900)); border-radius: var(--radius); padding: 40px; color: #fff; box-shadow: var(--shadow); }
.intro-visual .big { font-size: 54px; font-weight: 800; letter-spacing: -1.5px; line-height: 1; }
.intro-visual .big small { display: block; font-size: 16px; font-weight: 600; opacity: .85; margin-top: 8px; letter-spacing: 0; }
.intro-visual ul { margin-top: 26px; display: grid; gap: 14px; }
.intro-visual li { display: flex; gap: 12px; align-items: center; font-weight: 600; font-size: 15px; }
.intro-visual li svg { width: 22px; height: 22px; color: #fff; background: rgba(255,255,255,.18); border-radius: 50%; padding: 3px; flex-shrink: 0; }

/* Product groups */
.groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.group-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 0; overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column; }
.group-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.group-photo { aspect-ratio: 16 / 10; overflow: hidden; }
.group-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.group-card:hover .group-photo img { transform: scale(1.05); }
.group-body { padding: 24px 26px 28px; }
.group-card .ico { width: 64px; height: 64px; border-radius: 18px; background: linear-gradient(135deg, var(--soft), #d7efe6); color: var(--brand-700); display: grid; place-items: center; margin-bottom: 20px; }
.group-card .ico svg { width: 32px; height: 32px; }
.group-card h3 { font-size: 20px; margin-bottom: 10px; }
.group-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.group-card .list { display: grid; gap: 9px; }
.group-card .list li { display: flex; gap: 9px; font-size: 14px; color: var(--ink); }
.group-card .list svg { width: 18px; height: 18px; color: var(--brand); flex-shrink: 0; margin-top: 3px; }

/* Reasons */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.reason { text-align: center; padding: 16px; }
.reason .ico { width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 22px; background: #fff; border: 1px solid var(--line); color: var(--brand); display: grid; place-items: center; box-shadow: var(--shadow-sm); }
.reason .ico svg { width: 32px; height: 32px; }
.reason h3 { font-size: 17.5px; margin-bottom: 6px; }
.reason p { font-size: 14px; color: var(--muted); }

/* FAQ accordion */
.faq { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: box-shadow .2s, border-color .2s; }
.faq-item.open { box-shadow: var(--shadow); border-color: #c9e6db; }
.faq-q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 20px 24px; font-family: inherit; font-size: 16.5px; font-weight: 700; color: var(--ink); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-q .chev { width: 26px; height: 26px; flex-shrink: 0; border-radius: 50%; background: var(--soft); color: var(--brand-700); display: grid; place-items: center; transition: transform .25s, background .2s; }
.faq-q .chev svg { width: 16px; height: 16px; }
.faq-item.open .chev { transform: rotate(180deg); background: var(--brand); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 24px 22px; color: var(--muted); font-size: 15px; }

/* CTA band */
.cta { background: linear-gradient(120deg, var(--brand), var(--brand-900)); color: #fff; border-radius: 0; }
.cta .container { text-align: center; padding: 64px 22px; }
.cta h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.6px; max-width: 680px; margin: 0 auto; }
.cta p { margin-top: 12px; font-size: 17px; opacity: .92; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta .btn { margin-top: 28px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.info-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.info-card h3 { font-size: 21px; margin-bottom: 6px; }
.info-card > p { color: var(--muted); margin-bottom: 22px; font-size: 15px; }
.info-list { display: grid; gap: 16px; }
.info-list li { display: flex; gap: 14px; align-items: center; }
.info-list .ico { width: 48px; height: 48px; border-radius: 14px; background: var(--soft); color: var(--brand-700); display: grid; place-items: center; flex-shrink: 0; }
.info-list .ico svg { width: 22px; height: 22px; }
.info-list small { display: block; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.info-list a, .info-list b { font-size: 17px; font-weight: 800; color: var(--ink); }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); font-family: inherit; font-size: 15px; background: #fbfefd; color: var(--ink); transition: border .15s, box-shadow .15s; }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(15,163,127,.14); background: #fff; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.form-success { display: none; background: rgba(15,163,127,.1); border: 1px solid rgba(15,163,127,.3); color: var(--brand-700); padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 700; font-size: 14.5px; margin-bottom: 16px; }
.form-success.show { display: block; }

/* Page hero (inner) */
.page-hero { text-align: center; padding: 64px 0 60px; background: radial-gradient(800px 360px at 50% -10%, var(--soft), transparent 70%); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 44px); letter-spacing: -1px; }
.page-hero p { margin-top: 12px; color: var(--muted); font-size: 16.5px; }
.breadcrumb { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--brand-700); font-weight: 600; }
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 23px; color: var(--ink); margin: 32px 0 12px; letter-spacing: -.3px; }
.prose p { color: var(--muted); margin-bottom: 14px; }
.prose ul { margin: 0 0 16px; display: grid; gap: 9px; }
.prose ul li { display: flex; gap: 11px; color: var(--muted); }
.prose ul li::before { content: ""; width: 8px; height: 8px; margin-top: 10px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.prose .updated { font-size: 13px; color: var(--brand-700); background: var(--soft); display: inline-block; padding: 6px 16px; border-radius: 999px; margin-bottom: 10px; font-weight: 700; }
.prose strong { color: var(--ink); }

/* Footer */
.site-footer { background: #0a221c; color: #b6cdc5; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1.3fr; gap: 40px; padding-bottom: 40px; }
.site-footer .brand { color: #fff; margin-bottom: 16px; }
.site-footer .brand small { color: #7fa498; }
.footer-about { font-size: 14.5px; color: #92b3aa; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a, .footer-contact li { font-size: 14.5px; color: #9ebdb4; transition: color .15s; }
.footer-col a:hover { color: var(--brand); }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 12px; }
.footer-contact svg { width: 18px; height: 18px; color: var(--brand); flex-shrink: 0; margin-top: 3px; }
.footer-note { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-sm); padding: 14px 18px; font-size: 13px; color: #9ebdb4; text-align: center; margin-bottom: 22px; }
.footer-note strong { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: #7fa498; }
.footer-bottom a:hover { color: #fff; }

/* Sticky mobile call bar */
.call-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--brand); color: #fff; }
.call-bar a { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 15px; font-weight: 800; font-size: 16px; }
.call-bar svg { width: 20px; height: 20px; }

/* Responsive */
@media (max-width: 980px) {
  .intro, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .groups { grid-template-columns: 1fr; }
  .reasons { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav, .header-phone { display: none; }
  .nav-toggle { display: block; }
  .nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 4px; position: absolute; left: 0; right: 0; top: 78px; background: #fff; padding: 14px 22px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .section { padding: 60px 0; }
  .hero-features, .reasons, .form-row, .footer-grid { grid-template-columns: 1fr; }
  body { padding-bottom: 56px; }
  .call-bar { display: block; }
}

/* ==========================================================================
   Profesyonel ek bölümler: markalar, nasıl çalışır, yorumlar, WhatsApp
   ========================================================================== */
.brands-strip { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 0; }
.brands-strip .inner { display: flex; align-items: center; justify-content: center; gap: 12px 26px; flex-wrap: wrap; }
.brands-strip .label { font-size: 12.5px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.brand-chip { font-weight: 800; font-size: 16px; color: var(--brand-900); opacity: .5; letter-spacing: -.3px; transition: opacity .15s; }
.brand-chip:hover { opacity: 1; }

.process { background: linear-gradient(120deg, var(--brand), var(--brand-900)); color: #fff; }
.process .eyebrow { background: rgba(255,255,255,.16); color: #fff; }
.process .section-head h2 { color: #fff; }
.process .section-head p { color: #d6f0e8; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { position: relative; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 30px 22px 26px; text-align: center; }
.step-num { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); width: 34px; height: 34px; border-radius: 50%; background: #fff; color: var(--brand-700); font-weight: 800; font-size: 15px; display: grid; place-items: center; box-shadow: 0 6px 16px rgba(0,0,0,.18); }
.step .ico { width: 54px; height: 54px; margin: 8px auto 14px; border-radius: 16px; background: rgba(255,255,255,.16); color: #fff; display: grid; place-items: center; }
.step .ico svg { width: 26px; height: 26px; }
.step h3 { font-size: 17px; margin-bottom: 6px; color: #fff; }
.step p { font-size: 13.5px; color: #d6f0e8; }

.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.stars { display: flex; gap: 3px; margin-bottom: 12px; color: var(--accent); }
.stars svg { width: 18px; height: 18px; }
.review-card .quote { font-size: 15px; color: var(--ink); line-height: 1.6; flex: 1; }
.review-author { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.review-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand-700)); color: #fff; display: grid; place-items: center; font-weight: 800; flex-shrink: 0; }
.review-author h4 { font-size: 15px; color: var(--brand-900); }
.review-author span { font-size: 13px; color: var(--muted); }

.wa-fab { position: fixed; right: 20px; bottom: 22px; z-index: 70; width: 58px; height: 58px; border-radius: 50%; background: #25d366; box-shadow: 0 10px 26px rgba(37,211,102,.5); display: grid; place-items: center; transition: transform .15s; }
.wa-fab:hover { transform: scale(1.08); }
.wa-fab svg { width: 32px; height: 32px; fill: #fff; }

@media (max-width: 980px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .process-grid { grid-template-columns: 1fr; }
  .wa-fab { bottom: 70px; width: 52px; height: 52px; }
}

/* New brand logo image (replaces old gear SVG) */
.brand-logo{width:46px;height:46px;object-fit:contain;flex:none;display:block;}
.site-footer .brand-logo{width:40px;height:40px;}
@media(max-width:600px){.brand-logo{width:40px;height:40px;}}