/* =========================================================
   SERVİS MERKEZİ — style.css
   Beyaz eşya, klima ve kombi servis sitesi
   Tema: Beyaz zemin + Siyah header/footer + Kırmızı vurgu
   ========================================================= */

:root {
  /* Koyu (ink) palet — yalnızca header, topbar, footer ve mobil menüde kullanılır */
  --black: #0b0b0d;
  --black-2: #141316;
  --black-3: #1e1d21;
  --border-soft: #2a292d;
  --gray: #b3b1b6;
  --gray-dark: #78767c;
  --white: #f7f7f6;

  /* Açık (light) palet — genel sayfa zemini ve kartlar */
  --bg: #faf9f7;
  --bg-alt: #f1eeea;
  --surface: #ffffff;
  --border: #e6e1db;
  --text: #201f22;
  --muted: #666268;
  --faint: #918d94;

  /* Vurgu */
  --red: #e10600;
  --red-dark: #a30400;
  --red-light: #ff3b36;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(20, 16, 16, 0.14);
  --shadow-sm: 0 4px 14px rgba(20, 16, 16, 0.08);

  --font-head: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --container: 1200px;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  padding-bottom: 62px;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 90px 0; position: relative; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--red-dark);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-tag::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--red);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin-bottom: 50px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 14px;
}

.section-head p { color: var(--muted); font-size: 1.05rem; }

.text-red { color: var(--red-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 8px 20px rgba(225, 6, 0, 0.28);
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(32, 31, 34, 0.22);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--red); color: var(--red-dark); }

/* Header gibi koyu zeminlerde btn-outline'ın açık renkte görünmesi için */
.nav-right .btn-outline {
  border-color: rgba(247, 247, 246, 0.35);
  color: var(--white);
}
.nav-right .btn-outline:hover { border-color: var(--red-light); color: var(--red-light); }

.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 0.85rem; }

/* ---------- Icons ---------- */
.icon-sprite { display: none; }

.icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ---------- Topbar (koyu) ---------- */
.topbar {
  background: var(--black-2);
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.82rem;
  color: var(--gray);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
}

.topbar-left, .topbar-right { display: flex; align-items: center; gap: 20px; }

.topbar a { display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--red-light); }
.topbar .icon { width: 15px; height: 15px; }

/* ---------- Header (koyu) ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 13, 0.97);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow 0.3s ease;
}

header.site-header.scrolled { box-shadow: var(--shadow); }

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--white);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}

.logo span { color: var(--red-light); }

.main-nav ul { display: flex; align-items: center; gap: 34px; }

.main-nav a {
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--gray);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width 0.25s ease;
}

.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 18px; }

.nav-call-btn { display: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--white);
}

/* ---------- Hero (açık) ---------- */
.hero {
  padding: 110px 0 100px;
  background: var(--bg);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red); box-shadow: 0 0 0 4px rgba(225,6,0,0.16);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  margin-bottom: 22px;
  text-wrap: balance;
}

.hero h1 em {
  font-style: normal;
  color: var(--red);
}

.hero p.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }

.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--text);
}

.hero-stats div span { color: var(--faint); font-size: 0.85rem; }

.hero-media { position: relative; }

.img-placeholder {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: var(--ar, 4/3);
}

.img-placeholder img {
  width: 100%; height: 100%; object-fit: cover;
}

.img-placeholder .ph-fallback {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--faint);
  text-align: center;
  padding: 20px;
  background: linear-gradient(160deg, var(--bg-alt), #eae5df);
}

.img-placeholder .ph-fallback .icon { width: 34px; height: 34px; color: var(--red); opacity: 0.55; }
.img-placeholder .ph-fallback small { font-size: 0.75rem; max-width: 220px; }

.hero-media .img-placeholder { --ar: 4/3.1; }

.hero-card-float {
  position: absolute;
  bottom: -26px;
  left: -26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 260px;
}

.hero-card-float .icon-box {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(225,6,0,0.10);
  display: flex; align-items: center; justify-content: center;
  color: var(--red-dark);
}

.hero-card-float strong { display: block; font-size: 0.95rem; color: var(--text); }
.hero-card-float span { font-size: 0.8rem; color: var(--faint); }

/* ---------- Brand strip (açık, hafif tonlu) ---------- */
.brand-strip {
  padding: 34px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.brand-strip .container {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.brand-strip p { color: var(--faint); font-size: 0.9rem; }

.brand-tags { display: flex; gap: 10px; flex-wrap: wrap; }

.brand-tags span {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover { transform: translateY(-6px); border-color: rgba(225,6,0,0.4); box-shadow: var(--shadow); }

.service-card .img-placeholder { --ar: 16/10; border-radius: 0; border: none; }

.service-card-body { padding: 26px; }

.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(225,6,0,0.08);
  color: var(--red-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  margin-top: -50px;
  position: relative;
  z-index: 2;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: 0.94rem; margin-bottom: 18px; }

.service-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--red-dark); font-weight: 600; font-size: 0.9rem;
}
.service-link .icon { width: 16px; height: 16px; transition: transform 0.2s ease; }
.service-link:hover .icon { transform: translateX(4px); }

/* ---------- Why us ---------- */
.why-section { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 34px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.why-card .icon-box {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(225,6,0,0.08);
  color: var(--red-dark);
  display: flex; align-items: center; justify-content: center;
}

.why-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-card p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Process steps ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-card {
  position: relative;
  padding: 30px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.process-card::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--red);
  display: block;
  margin-bottom: 14px;
}

.process-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.process-card p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Service areas ---------- */
.areas-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.areas-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

.areas-list li {
  display: flex; align-items: center; gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.areas-list li .icon { width: 16px; height: 16px; color: var(--red); }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.gallery-grid .img-placeholder { --ar: 1/1; }
.gallery-grid .span-2 { grid-column: span 2; grid-row: span 2; }
.gallery-grid .span-2 .img-placeholder { --ar: 1/1; height: 100%; }

/* ---------- CTA band (kırmızı, kendi kontrastı) ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--red-dark), var(--red));
  border-radius: var(--radius);
  padding: 54px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  color: #fff;
}

.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 10px; text-wrap: balance; }
.cta-band p { opacity: 0.9; max-width: 460px; }
.cta-band .btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.cta-band .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.12); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-band .btn-primary { background: var(--black); box-shadow: none; }
.cta-band .btn-primary:hover { background: var(--black-3); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  background: var(--surface);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  text-align: left;
  font-weight: 600;
  font-family: var(--font-head);
  color: var(--text);
}

.faq-question .icon { color: var(--red-dark); transition: transform 0.25s ease; }
.faq-item.open .faq-question .icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p { padding: 0 24px 20px; color: var(--muted); font-size: 0.95rem; }

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }

.contact-info-item .icon-box {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 10px;
  background: rgba(225,6,0,0.08);
  color: var(--red-dark);
  display: flex; align-items: center; justify-content: center;
}

.contact-info-item strong { display: block; margin-bottom: 4px; color: var(--text); }
.contact-info-item span, .contact-info-item a { color: var(--muted); font-size: 0.92rem; }

.social-row { display: flex; gap: 10px; margin-top: 24px; }
.social-row a {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
}
.social-row a:hover { color: var(--red-dark); border-color: var(--red); }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; color: var(--muted); margin-bottom: 8px; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--red);
  background: var(--surface);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note { font-size: 0.82rem; color: var(--faint); margin-top: 14px; }

.form-status {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 18px;
}
.form-status.show { display: block; }
.form-status.success { background: rgba(26, 140, 68, 0.08); border: 1px solid rgba(26,140,68,0.3); color: #1a8c44; }
.form-status.error { background: rgba(225,6,0,0.07); border: 1px solid rgba(225,6,0,0.3); color: var(--red-dark); }

.map-placeholder {
  margin-top: 60px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 21/6;
}

/* ---------- Page hero (iç sayfa üst bandı) ---------- */
.page-hero {
  padding: 70px 0;
  text-align: center;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--faint); font-size: 0.9rem; margin-top: 14px;
}
.breadcrumb a:hover { color: var(--red-dark); }

.page-hero h1 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); text-wrap: balance; }

/* ---------- Detailed service section (hizmetler.html) ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 70px 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:nth-child(even) .service-detail-media { order: 2; }

.service-detail-icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: rgba(225,6,0,0.08);
  color: var(--red-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

.service-detail h2 { font-size: 1.7rem; margin-bottom: 16px; }
.service-detail p { color: var(--muted); margin-bottom: 16px; }

.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 6px 0;
}
.check-list li .icon { color: var(--red-dark); width: 18px; height: 18px; margin-top: 2px; }

/* ---------- Simple content pages (privacy/terms) ---------- */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 1.4rem; margin: 34px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); margin-bottom: 14px; font-size: 0.98rem; }
.prose ul { padding-left: 20px; list-style: disc; }
.prose ul li { margin-bottom: 8px; }
.prose strong { color: var(--text); }
.prose .updated { color: var(--faint); font-size: 0.88rem; margin-bottom: 40px; }

/* ---------- Team / About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.value-list { display: grid; gap: 18px; margin-top: 24px; }
.value-item { display: flex; gap: 16px; }
.value-item .icon-box {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 10px;
  background: rgba(225,6,0,0.08);
  color: var(--red-dark);
  display: flex; align-items: center; justify-content: center;
}
.value-item h3 { font-size: 1rem; margin-bottom: 4px; }
.value-item p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Footer (koyu) ---------- */
footer.site-footer {
  background: var(--black-2);
  border-top: 1px solid var(--border-soft);
  padding-top: 70px;
  color: var(--gray);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--border-soft);
}

.footer-about p { color: var(--gray); font-size: 0.92rem; margin: 18px 0 22px; }

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  font-family: var(--font-head);
  color: var(--white);
}

.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: var(--gray); font-size: 0.92rem; }
.footer-col ul a:hover { color: var(--red-light); }

.footer-contact li { display: flex; gap: 10px; color: var(--gray); font-size: 0.9rem; margin-bottom: 16px; align-items: flex-start; }
.footer-contact .icon { color: var(--red); width: 17px; height: 17px; margin-top: 2px; }

.footer-legal {
  padding: 22px 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--gray-dark);
  font-size: 0.82rem;
  line-height: 1.7;
}
.footer-legal strong { color: var(--gray); }

.footer-bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--gray-dark);
  font-size: 0.85rem;
}

.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a:hover { color: var(--red-light); }

/* ---------- Sticky call bar ---------- */
.call-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 95;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 20px;
  background: linear-gradient(120deg, var(--red-dark), var(--red));
  color: #fff;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.18);
}
.call-bar:hover { background: linear-gradient(120deg, var(--red), var(--red-dark)); }
.call-bar .icon { width: 19px; height: 19px; }

/* ---------- Back to top button ---------- */
.back-to-top {
  position: fixed;
  bottom: 84px;
  right: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--black-3);
  border: 1px solid var(--border-soft);
  color: var(--white);
  display: none;
  align-items: center; justify-content: center;
  z-index: 90;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  box-shadow: var(--shadow);
}
.back-to-top.show { display: flex; opacity: 1; transform: translateY(0); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: all 0.7s cubic-bezier(.2,.7,.3,1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .areas-wrap { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail-media { order: -1 !important; }
}

@media (max-width: 720px) {
  .topbar-left span.hide-mobile, .topbar { display: none; }
  .main-nav { position: fixed; inset: 78px 0 0 0; background: var(--black); border-top: 1px solid var(--border-soft); padding: 30px 24px; transform: translateX(100%); transition: transform 0.3s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 6px; width: 100%; }
  .main-nav a { display: block; padding: 14px 0; width: 100%; border-bottom: 1px solid var(--border-soft); }
  .nav-toggle { display: flex; }
  .nav-right .btn-outline { display: none; }
  .nav-call-btn { display: flex; margin-top: 24px; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .areas-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid .span-2 { grid-column: span 2; grid-row: span 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .cta-band .container, .cta-actions { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .back-to-top { right: 16px; bottom: 78px; }
  .call-bar { font-size: 0.9rem; padding: 13px 14px; }
}