:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6472;
  --line: #d9e1ea;
  --paper: #f7fafc;
  --panel: #ffffff;
  --green: #176b4d;
  --teal: #0f766e;
  --gold: #a15c08;
  --blue: #1d4ed8;
  --dark: #0d1720;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  padding-bottom: 86px;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 10px clamp(16px, 4vw, 40px);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
  font-weight: 800;
}
.brand-logo {
  display: block;
  width: clamp(132px, 16vw, 168px);
  height: auto;
  max-height: 58px;
  object-fit: contain;
}
.brand span { display: grid; line-height: 1.05; }
.brand small { color: var(--muted); font-size: 12px; font-weight: 700; }
.header-right {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.top-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.top-nav a {
  flex: 0 0 auto;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}
.top-nav a[aria-current="page"], .top-nav a:hover {
  color: var(--dark);
  background: #eaf2f0;
}
.header-install {
  flex: 0 0 auto;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 8px 20px rgba(23, 107, 77, .22);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}
main { width: min(1120px, 100%); margin: 0 auto; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
  gap: clamp(20px, 5vw, 48px);
  align-items: center;
  min-height: 74vh;
  padding: clamp(28px, 7vw, 76px) clamp(16px, 4vw, 40px) 22px;
  background: linear-gradient(180deg, #ffffff 0%, #eef6f3 100%);
}
.eyebrow {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1 {
  max-width: 760px;
  margin: 10px 0 14px;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}
h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: 0;
}
p { margin: 0; }
.hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}
.install-hint {
  margin-top: 14px;
  color: var(--dark) !important;
  font-size: 15px !important;
  font-weight: 800;
}
.hero-media { margin: 0; display: flex; justify-content: center; }
.hero-media img {
  width: min(100%, 380px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(13, 23, 32, .18));
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}
.button.primary { color: #fff; background: var(--green); }
.button.accent { color: #111827; background: #f5b93f; }
.hero-install {
  min-width: 148px;
  box-shadow: 0 14px 30px rgba(13, 23, 32, .16);
}
.button.secondary { color: var(--dark); border: 1px solid var(--line); background: #fff; }
.install-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin: -6px clamp(16px, 4vw, 40px) 18px;
  padding: 18px;
  border-radius: 8px;
  color: #fff;
  background: #0d1720;
  box-shadow: 0 14px 38px rgba(13, 23, 32, .18);
}
.install-panel span {
  color: #f5b93f;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.install-panel strong {
  display: block;
  margin-top: 3px;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.12;
}
.install-panel p {
  max-width: 720px;
  margin-top: 6px;
  color: #d8dee8;
}
.install-panel a {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 6px;
  color: #111827;
  background: #f5b93f;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}
.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(16px, 4vw, 40px) 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}
.trust-strip div {
  min-height: 82px;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 14px;
  background: #fff;
}
.trust-strip strong { font-size: 20px; }
.trust-strip span { color: var(--muted); font-size: 13px; }
.content-block, .urdu-note, .cluster, .faq-section {
  padding: clamp(24px, 5vw, 52px) clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--line);
  background: #fff;
}
.content-block:nth-of-type(even) { background: #f9fbfd; }
.content-block p, .urdu-note p { max-width: 820px; color: var(--muted); font-size: 17px; }
.action-line { margin-top: 18px; }
.inline-install-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
  text-decoration: none;
}
.urdu-note {
  background: #eef6f3;
  text-align: right;
}
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.cluster-card {
  min-height: 172px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}
.cluster-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.cluster-card strong { font-size: 18px; line-height: 1.2; }
.cluster-card small { color: var(--muted); font-size: 13px; line-height: 1.45; }
details {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}
summary {
  cursor: pointer;
  font-weight: 800;
}
details p { margin-top: 8px; color: var(--muted); max-width: 820px; }
.site-footer {
  padding: 28px clamp(16px, 4vw, 40px) 92px;
  color: #d8dee8;
  background: var(--dark);
}
.site-footer p { max-width: 820px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.site-footer a { color: #fff; }
.bottom-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 74px;
  padding: 8px max(10px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  gap: 8px;
  background: rgba(255, 255, 255, .96);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.bottom-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 52px;
  border-radius: 6px;
  color: #fff;
  background: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  line-height: 1.15;
}
.bottom-cta .bottom-primary {
  background: var(--green);
  box-shadow: 0 8px 22px rgba(23, 107, 77, .22);
}
.bottom-cta .bottom-accent {
  color: #111827;
  background: #f5b93f;
}
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .header-right { width: 100%; align-items: stretch; flex-direction: column; }
  .top-nav { width: 100%; padding-bottom: 2px; }
  .header-install { width: 100%; min-height: 46px; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-media { order: -1; justify-content: flex-start; }
  .hero-media img { width: min(78vw, 300px); }
  .cta-row { display: grid; grid-template-columns: 1fr; }
  .hero-install { min-width: 0; width: 100%; }
  .install-panel { grid-template-columns: 1fr; }
  .install-panel a { width: 100%; }
  .trust-strip { grid-template-columns: 1fr; }
  .cluster-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(34px, 13vw, 52px); }
}
@media (min-width: 761px) and (max-width: 980px) {
  .cluster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}