* { box-sizing: border-box; }
:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #00b386;
  --primary-700: #00916d;
  --ring: rgba(0, 179, 134, 0.25);
}
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container { width: min(1140px, 92%); margin-inline: auto; }
img, svg, video { max-width: 100%; height: auto; }

/* Global heading alignment */
h1, h2, h3 { text-align: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(1.2) blur(10px); background: rgba(255,255,255,0.9); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.logo { width: 36px; height: 36px; }
.logo-wide { height: 42px; width: auto; }
.logo.sm { width: 28px; height: 28px; }
.brand-text { font-weight: 700; letter-spacing: 0.2px; }

.nav-toggle { display: none; font-size: 22px; background: transparent; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.nav-list { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; align-items: center; }
.nav-list a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-list a:hover { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; border: 0; cursor: pointer; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--primary); color: #ffffff; box-shadow: 0 0 0 0 rgba(0,0,0,0); transition: box-shadow .2s, transform .1s, background .2s; }
.btn-primary:hover { background: var(--primary-700); box-shadow: 0 8px 24px var(--ring); transform: translateY(-1px); }
.btn.full { width: 100%; }
.btn-outline { background: #fff; color: var(--primary-700); border: 1px solid var(--primary-700); }
.btn-outline:hover { background: var(--bg-soft); }

/* Hero */
.hero { padding: 40px 0 24px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
.hero-copy h1 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; }
.hero-copy p { margin: 0 0 18px; color: var(--muted); }
.hero-visual img { width: 100%; height: auto; display: block; }

.search-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select { background: #fff; border: 1px solid var(--line); color: var(--text); padding: 10px 12px; border-radius: 10px; outline: none; }
.field input:focus, .field select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }

.trust-badges { display: flex; gap: 16px; color: var(--muted); margin-top: 10px; font-size: 14px; flex-wrap: wrap; }

/* Brands */
.brands { padding: 28px 0; }
.brands h2, .services h2, .testimonials h2, .faq h2 { margin: 0 0 16px; font-size: 24px; }
.brand-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.brand-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; align-items: center; gap: 10px; cursor: pointer; color: var(--text); }
.brand-card:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.brand-card img { width: 36px; height: 36px; }
.brand-card span { font-size: 13px; color: var(--muted); font-weight: 600; }

/* Services */
.services { padding: 20px 0; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.service-card .icon { font-size: 24px; margin-bottom: 8px; }
.service-card h3 { margin: 0 0 6px; font-size: 18px; }
.service-card p { margin: 0; color: var(--muted); }

/* Testimonials */
.testimonials { padding: 20px 0; }
.tst-slider-wrap { overflow: hidden; }
.tst-track { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding-bottom: 6px; scrollbar-width: thin; }
.tst-track::-webkit-scrollbar { height: 8px; }
.tst-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.testimonial { flex: 0 0 320px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; color: var(--muted); scroll-snap-align: start; }
.testimonial p { margin: 8px 0; color: var(--text); }
.testimonial .rating { color: #f59e0b; font-weight: 700; letter-spacing: 2px; }

/* FAQ */
.faq { padding: 20px 0 40px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }

/* Why Us */
.why { padding: 24px 0; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.why-card { display: flex; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
.why-card img { width: 48px; height: 48px; }
.why-text h3 { margin: 0 0 4px; font-size: 16px; }
.why-text p { margin: 0; color: var(--muted); font-size: 14px; }

/* Contact */
.contact { padding: 28px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact h2 { color: #ffffff; }
.contact-form { background: #021443; border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea { width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; outline: none; color: var(--text); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 12px; }

/* Footer */
.site-footer { background: #f8fafc; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; padding: 24px 0; align-items: start; }
.foot-links { display: grid; gap: 8px; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--text); }
.copyright { border-top: 1px solid var(--line); padding: 12px 0 24px; color: var(--muted); font-size: 14px; }

/* Breadcrumb */
.breadcrumb { background: #fff; border-bottom: 1px solid var(--line); }
.breadcrumb .container { padding: 10px 0; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }

/* Device Types */
.devices { padding: 48px 0; }
.devices h2 { text-align: center; margin: 0 0 16px; }
.device-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.device-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px; display: grid; gap: 10px; cursor: pointer; justify-items: center; text-align: center; }
.device-card:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); transform: translateY(-2px); transition: .15s ease; }
.device-img { width: 100%; height: 180px; object-fit: cover; border-radius: 12px; display: block; background: #f2f4f7; }
.device-card span { font-weight: 700; font-size: 16px; }

/* Common Issues */
.issues { padding: 8px 0 24px; }
.issues-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.issue-pill { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; color: var(--text); text-align: center; cursor: pointer; font-weight: 600; font-size: 14px; }
.issue-pill:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }

/* How it works */
.how { padding: 24px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.how-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.step .num { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; margin-bottom: 8px; }
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* Pincode checker */
.pincode { padding: 24px 0; }
.pin-box { display: grid; grid-template-columns: 1fr auto; gap: 10px; background: #fff; border: 1px solid var(--line); padding: 14px; border-radius: 12px; }
.pin-box input { background: #fff; border: 1px solid var(--line); padding: 10px 12px; border-radius: 10px; outline: none; }
.pin-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.pin-note { color: var(--muted); font-size: 13px; margin-top: 8px; }

/* Cities links */
.cities { padding: 8px 0 28px; }
.city-links { display: flex; flex-wrap: wrap; gap: 8px; }
.city-links a { display: inline-block; padding: 8px 12px; background: #fff; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--text); font-weight: 600; font-size: 14px; }
.city-links a:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }

/* Services slider */
.services-slider { padding: 8px 0 24px; }
.services-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.controls { display: flex; gap: 8px; }
.slider-arrow { background: #fff; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; cursor: pointer; font-weight: 700; }
.slider-arrow:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.slider-wrap { overflow: hidden; }
.slider-track { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding-bottom: 6px; scrollbar-width: thin; }
.slider-track::-webkit-scrollbar { height: 8px; }
.slider-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.svc-card { flex: 0 0 140px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px; display: grid; justify-items: center; gap: 8px; text-decoration: none; color: var(--text); font-weight: 600; scroll-snap-align: start; }
.svc-card img { width: 52px; height: 52px; }
.svc-card:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }

/* WhatsApp floating button */
.whatsapp-fab { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: #25D366; box-shadow: 0 10px 24px rgba(2,6,23,0.18); z-index: 1000; border: 2px solid #ffffff; }
.whatsapp-fab img { width: 56px; height: 56px; display: block; }
.whatsapp-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(2,6,23,0.22); }

/* Floating call button */
.call-fab { position: fixed; right: 18px; bottom: 86px; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: #1f6feb; box-shadow: 0 10px 24px rgba(2,6,23,0.18); z-index: 1000; border: 2px solid #ffffff; }
.call-fab svg { width: 30px; height: 30px; display: block; }
.call-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(2,6,23,0.22); }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .search-grid { grid-template-columns: 1fr 1fr; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .nav-list { display: none; position: absolute; right: 4%; top: 56px; background: var(--card); padding: 12px; border-radius: 12px; border: 1px solid var(--line); }
  .nav-list.open { display: grid; gap: 8px; }
  .device-grid { grid-template-columns: 1fr 1fr; }
  .issues-grid { grid-template-columns: 1fr 1fr 1fr; }
  .how-steps { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Small phones */
@media (max-width: 600px) {
  .hero { padding: 28px 0 16px; }
  .search-grid { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .issues-grid { grid-template-columns: 1fr 1fr; }
  .devices { padding: 36px 0; }
  .device-img { height: 150px; }
  .testimonial { flex: 0 0 260px; }
  .call-fab { bottom: 86px; right: 14px; }
  .whatsapp-fab { bottom: 18px; right: 14px; }
  .logo-wide { height: 34px; }
}