:root {
  --navy: #071a2d;
  --navy-2: #0b2741;
  --blue: #0c66e4;
  --blue-dark: #084da9;
  --sky: #eaf4ff;
  --green: #2fd28f;
  --white: #ffffff;
  --text: #183044;
  --muted: #637688;
  --line: #dfe8ef;
  --surface: #f6f9fc;
  --shadow: 0 20px 60px rgba(3, 28, 51, 0.13);
  --radius: 20px;
}

.phone-icon{
  background: var(--green);
  color: #fff;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 60px;
  font-size: 20px;
  position: fixed;
  bottom: 70px;
  right: 20px;
  z-index: 999;
}

.whatsapp-icon{
  background: #075e54;
  color: #fff;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 60px;
  font-size: 20px;
  position: fixed;
  bottom: 135px;
  right: 20px;
  z-index: 999;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 110px 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  transition: .3s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 40px rgba(2, 24, 44, .1);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--white); }
.site-header.scrolled .brand { color: var(--navy); }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-size: 21px; letter-spacing: -.5px; }
.brand small { font-size: 9px; letter-spacing: 4px; margin-top: 5px; font-weight: 800; }
.brand-mark { position: relative; width: 34px; height: 40px; display: inline-block; }
.mast { position: absolute; left: 16px; top: 13px; width: 3px; height: 24px; background: currentColor; border-radius: 4px; }
.mast::before, .mast::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); border-left: 9px solid transparent; border-right: 9px solid transparent; }
.mast::before { bottom: 0; border-bottom: 4px solid currentColor; }
.mast::after { top: 5px; border-bottom: 3px solid currentColor; width: 0; }
.signal { position: absolute; border: 2px solid currentColor; border-top-color: transparent; border-bottom-color: transparent; border-radius: 50%; }
.signal-1 { inset: 5px 5px 13px; }
.signal-2 { inset: 0 0 8px; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: rgba(255,255,255,.9); font-size: 14px; font-weight: 700; transition: .2s; }
.site-header.scrolled .main-nav a:not(.nav-cta) { color: var(--text); }
.main-nav a:hover { color: var(--green); }
.main-nav .nav-cta { background: var(--blue); color: var(--white); padding: 12px 20px; border-radius: 12px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--white); margin: 5px 0; transition: .2s; }
.site-header.scrolled .menu-toggle span { background: var(--navy); }

.pt-50{
  padding-top: 50px;
}

.pb-20{
  padding-bottom: 20px;
}

.text-center{
  text-align: center;
}
.hero {
  position: relative;
  min-height: 860px;
  display: flex;
  align-items: center;
  background: url("hero-tower.svg") center/cover no-repeat;
  overflow: hidden;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,18,34,.96) 0%, rgba(3,24,45,.88) 48%, rgba(4,29,54,.38) 100%); }
.hero::after { content: ""; position: absolute; width: 600px; height: 600px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; right: -170px; top: 80px; box-shadow: 0 0 0 90px rgba(255,255,255,.02), 0 0 0 180px rgba(255,255,255,.02); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: center; padding-top: 85px; }
.hero-content { color: var(--white); max-width: 720px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; text-transform: uppercase; letter-spacing: 2.1px; font-size: 12px; font-weight: 800; color: #8ed2ff; }
.eyebrow::before { content: ""; width: 30px; height: 2px; background: currentColor; }
.eyebrow.dark { color: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(46px, 5.4vw, 74px); line-height: 1.04; letter-spacing: -3.4px; margin: 24px 0; }
.hero-content > p { max-width: 650px; font-size: 18px; color: rgba(255,255,255,.76); }
.hero-actions, .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 12px; font-weight: 800; font-size: 14px; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--blue); box-shadow: 0 12px 30px rgba(12, 102, 228, .3); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { color: var(--white); border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.05); }
.btn-light { background: var(--white); color: var(--navy); }
.btn-secondary { color: var(--blue); border-color: var(--line); background: var(--white); }
.btn-block { width: 100%; }
.hero-trust { display: flex; gap: 35px; margin-top: 48px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.16); }
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust strong { font-size: 25px; }
.hero-trust span { font-size: 12px; color: rgba(255,255,255,.62); }
.hero-card { background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.4); border-radius: 24px; padding: 34px; box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.status-dot { font-size: 12px; font-weight: 800; color: #18845d; display: flex; align-items: center; gap: 8px; }
.status-dot span { width: 9px; height: 9px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 5px rgba(47,210,143,.15); }
.hero-card h2 { font-size: 29px; line-height: 1.2; margin: 18px 0 10px; color: var(--navy); }
.hero-card > p { color: var(--muted); font-size: 14px; }
.hero-card form { display: grid; gap: 14px; margin-top: 20px; }
.hero-card label span { display: block; font-size: 12px; font-weight: 800; margin-bottom: 6px; }
.hero-card input, .hero-card select { width: 100%; min-height: 48px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; background: #fbfdff; outline: none; }
.hero-card textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; background: #fbfdff; outline: none; }
.hero-card input:focus, .hero-card select:focus, .hero-card textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(12,102,228,.1); }
.form-message { margin: 0; font-size: 13px; font-weight: 700; min-height: 20px; }

.client-strip { background: var(--navy); color: rgba(255,255,255,.72); }
.client-strip-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.client-strip span { padding: 24px 15px; text-align: center; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; border-right: 1px solid rgba(255,255,255,.1); }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.image-stack { position: relative; min-height: 590px; }
.image-main { width: 88%; height: 570px; object-fit: cover; border-radius: 26px; box-shadow: var(--shadow); }
.experience-card { position: absolute; right: 0; bottom: 35px; width: 210px; background: var(--blue); color: var(--white); border-radius: 18px; padding: 25px; box-shadow: var(--shadow); }
.experience-card strong { display: block; font-size: 44px; line-height: 1; }
.experience-card span { display: block; margin-top: 10px; font-size: 13px; }
.image-badge { position: absolute; left: -20px; top: 40px; background: var(--white); padding: 13px 19px; border-radius: 999px; box-shadow: var(--shadow); font-weight: 800; font-size: 12px; }
.section-copy h2, .section-heading h2 { font-size: clamp(36px, 4vw, 52px); line-height: 1.12; letter-spacing: -2px; margin: 18px 0 24px; color: var(--navy); }
.section-copy > p, .section-heading > p { color: var(--muted); }
.feature-list { display: grid; gap: 22px; margin: 30px 0; }
.feature-list > div { display: grid; grid-template-columns: 34px 1fr; gap: 12px; }
.feature-list span { width: 30px; height: 30px; border-radius: 50%; background: var(--sky); color: var(--blue); display: grid; place-items: center; font-weight: 900; }
.feature-list p { margin: 0; font-size: 14px; color: var(--muted); }
.feature-list strong { color: var(--text); font-size: 15px; }
.text-link { font-weight: 800; color: var(--blue); }
.text-link span { display: inline-block; transition: transform .2s; }
.text-link:hover span { transform: translateX(5px); }

.services-section { background: var(--surface); }
.section-heading { max-width: 720px; margin-bottom: 55px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading.centered .eyebrow { justify-content: center; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: .25s; overflow: hidden; }
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: transparent; }
.service-card.featured { background: var(--navy); color: var(--white); border-color: var(--navy); }
.service-card .icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px; background: var(--sky); color: var(--blue); font-weight: 900; }
.service-card.featured .icon { background: rgba(255,255,255,.12); color: #8ed2ff; }
.service-card h3 { margin: 24px 0 12px; font-size: 20px; }
.service-card p { color: var(--muted); font-size: 14px; }
.service-card.featured p, .service-card.featured li { color: rgba(255,255,255,.7); }
.service-card ul { padding-left: 18px; margin: 22px 0 0; color: var(--muted); font-size: 13px; }
.service-card li { margin: 7px 0; }

.process-section { background: linear-gradient(180deg, var(--white), #f8fbfd); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.process-grid::before { content: ""; position: absolute; top: 28px; left: 8%; right: 8%; height: 1px; background: var(--line); }
.process-step { position: relative; z-index: 1; }
.process-step span { width: 56px; height: 56px; display: grid; place-items: center; border: 6px solid var(--white); background: var(--blue); color: var(--white); border-radius: 50%; font-weight: 900; box-shadow: 0 6px 20px rgba(12,102,228,.25); }
.process-step h3 { font-size: 18px; margin: 24px 0 10px; }
.process-step p { color: var(--muted); font-size: 13px; }

.pricing-section { background: var(--surface); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 24px; padding: 34px; display: flex; flex-direction: column; }
.price-card.popular { border: 2px solid var(--blue); transform: scale(1.035); box-shadow: var(--shadow); }
.popular-tag { position: absolute; top: -15px; right: 24px; background: var(--blue); color: var(--white); padding: 7px 14px; border-radius: 999px; font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; }
.plan-label { color: var(--blue); font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 1.5px; }
.price-card h3 { font-size: 23px; margin: 12px 0 4px; }
.price { font-size: 38px; font-weight: 900; color: var(--navy); margin: 14px 0; }
.price small { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.price-card p { color: var(--muted); font-size: 13px; }
.price-card ul { list-style: none; padding: 0; margin: 18px 0 28px; flex: 1; }
.price-card li { position: relative; padding: 9px 0 9px 26px; border-bottom: 1px solid #edf2f5; font-size: 13px; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.pricing-note { text-align: center; color: var(--muted); font-size: 11px; margin: 30px auto 0; max-width: 800px; }

.cta-section { position: relative; min-height: 500px; display: flex; align-items: center; text-align: center; background: url("./images/bsnl-tower-bg.webp") center/cover no-repeat; }
.cta-overlay { position: absolute; inset: 0; background: rgba(3, 24, 45, .86); }
.cta-content { position: relative; z-index: 1; color: var(--white); max-width: 850px; }
.cta-content .eyebrow { justify-content: center; }
.cta-content h2 { font-size: clamp(38px, 5vw, 60px); line-height: 1.1; letter-spacing: -2.4px; margin: 20px 0; }
.cta-content p { color: rgba(255,255,255,.72); max-width: 680px; margin-left: auto; margin-right: auto; }
.cta-actions { justify-content: center; }

.site-footer { background: #041321; color: rgba(255,255,255,.72); padding-top: 75px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 55px; padding-bottom: 55px; }
.brand.light { color: var(--white); }
.footer-brand p { max-width: 320px; font-size: 13px; margin-top: 22px; }
.site-footer h3 { color: var(--white); font-size: 14px; margin-bottom: 18px; }
.site-footer a, .site-footer p { display: block; font-size: 13px; margin: 9px 0; }
.site-footer a:hover { color: var(--green); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); min-height: 75px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 20px; }

.back-to-top { position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--blue); color: var(--white); font-size: 20px; cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: .25s; box-shadow: 0 10px 30px rgba(12,102,228,.35); z-index: 50; }
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .hero { min-height: auto; padding: 155px 0 95px; }
  .hero-grid { grid-template-columns: 1fr; gap: 45px; }
  .hero-card { max-width: 620px; }
  .split-grid { gap: 50px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 35px; }
  .process-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 680px; margin: auto; }
  .price-card.popular { transform: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  .section { padding: 78px 0; }
  .container { width: min(100% - 28px, 1160px); }
  .menu-toggle { display: block; z-index: 1002; }
  .main-nav { position: fixed; inset: 0 0 0 22%; background: var(--white); flex-direction: column; align-items: flex-start; justify-content: center; padding: 40px; transform: translateX(100%); transition: .3s ease; box-shadow: -20px 0 50px rgba(0,0,0,.2); }
  .main-nav.open { transform: translateX(0); }
  .main-nav a, .site-header.scrolled .main-nav a:not(.nav-cta) { color: var(--navy); font-size: 20px; }
  .menu-toggle.active span { background: var(--navy); }
  .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  h1 { font-size: 46px; letter-spacing: -2px; }
  .hero-content > p { font-size: 16px; }
  .hero-trust { gap: 18px; justify-content: space-between; }
  .hero-trust strong { font-size: 21px; }
  .client-strip-grid { grid-template-columns: 1fr 1fr; }
  .client-strip span:last-child { grid-column: 1 / -1; }
  .split-grid { grid-template-columns: 1fr; }
  .image-stack { min-height: 490px; }
  .image-main { height: 470px; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
}

@media (max-width: 520px) {
  .nav-wrap { min-height: 72px; }
  .brand strong { font-size: 18px; }
  .hero { padding: 125px 0 75px; }
  h1 { font-size: 39px; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .hero-trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-card { padding: 24px; }
  .client-strip-grid { grid-template-columns: 1fr; }
  .client-strip span:last-child { grid-column: auto; }
  .image-stack { min-height: 425px; }
  .image-main { width: 100%; height: 400px; }
  .experience-card { width: 175px; padding: 20px; bottom: -20px; }
  .image-badge { left: 12px; top: 18px; }
  .section-copy h2, .section-heading h2 { font-size: 35px; }
  .process-grid { grid-template-columns: 1fr; }
  .price-card { padding: 28px 23px; }
  .cta-content h2 { font-size: 38px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 22px 0; }
  .main-nav { inset: 0 0 0 12%; }
}