/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: #1a1a2e; background: #fff; line-height: 1.7; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== VARIABLES ===== */
:root {
  --navy: #0A1F44;
  --blue: #1a7fc4;
  --blue-light: #2fa0d8;
  --blue-pale: #e8f4fd;
  --accent: #0059b3;
  --text: #1a1a2e;
  --text-muted: #5a6a7e;
  --border: #dde6f0;
  --white: #ffffff;
  --bg-light: #f5f8fc;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(10,31,68,0.10);
  --shadow-lg: 0 8px 40px rgba(10,31,68,0.16);
  --transition: 0.22s ease;
}

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.15; color: var(--navy); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; color: var(--navy); }
h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy); }
h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--blue); margin-bottom: 12px; }
p { color: var(--text-muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue);
  background: var(--blue-pale);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.eyebrow.light { color: var(--blue-light); background: rgba(47,160,216,0.15); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header p { margin-top: 12px; font-size: 1.05rem; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 8px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.btn-outline-white { border-color: #fff; color: #fff; }
.btn-outline-white:hover { background: #fff; color: var(--navy); }

/* ===== TOPBAR ===== */
.topbar { background: var(--navy); color: #a8c0d8; font-size: 0.82rem; padding: 7px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar-left { display: flex; gap: 20px; }
.topbar-left span { display: flex; align-items: center; gap: 6px; }
.topbar-right { display: flex; gap: 20px; }
.topbar-right a { color: #a8c0d8; transition: color var(--transition); }
.topbar-right a:hover { color: #fff; }

/* ===== HEADER ===== */
.header {
  background: #fff;
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 12px rgba(10,31,68,0.08);
  padding: 0;
}
.nav-inner {
  display: flex; align-items: center; gap: 32px;
  padding: 14px 24px; max-width: 1200px; margin: 0 auto;
}

/* Logo */
.logo-link { text-decoration: none; }
.logo-box { display: flex; align-items: center; gap: 12px; }
.logo-oval {
  width: 72px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, #2fa0d8, #1a7fc4);
  display: flex; align-items: center; justify-content: center;
  border: 3px dashed #0A1F44;
  flex-shrink: 0;
}
.logo-oval.small { width: 54px; height: 38px; }
.logo-oval-text { color: #fff; font-weight: 900; font-size: 1rem; letter-spacing: 1px; }
.logo-oval.small .logo-oval-text { font-size: 0.78rem; }
.logo-words { display: flex; flex-direction: column; }
.logo-name { font-size: 1.55rem; font-weight: 900; color: var(--navy); line-height: 1; letter-spacing: 1px; }
.logo-sub { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.18em; color: var(--blue); text-transform: uppercase; margin-top: 2px; }

/* Nav */
.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-item > a {
  display: block; padding: 10px 16px; font-size: 0.92rem; font-weight: 600;
  color: var(--navy); border-radius: 6px; transition: var(--transition);
}
.nav-item > a:hover, .nav-item.active > a { color: var(--blue); background: var(--blue-pale); }
.caret { font-size: 0.65rem; margin-left: 2px; }

/* Dropdown */
.dropdown {
  display: none; position: absolute; top: calc(100% + 8px); left: 0;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--border); min-width: 200px; z-index: 999;
  padding: 12px 0; animation: fadeDown 0.18s ease;
}
.dropdown a {
  display: block; padding: 9px 20px; font-size: 0.9rem;
  color: var(--text); transition: var(--transition);
}
.dropdown a:hover { color: var(--blue); background: var(--blue-pale); }
.nav-item:hover .dropdown { display: block; }

/* Mega dropdown */
.mega { display: none; min-width: 560px; padding: 24px; flex-wrap: wrap; gap: 8px; }
.nav-item:hover .mega { display: flex; }
.mega-col { flex: 1; min-width: 160px; }
.mega-col h4 { margin-bottom: 10px; }
.mega-col a { display: block; padding: 7px 0; font-size: 0.88rem; color: var(--text-muted); border-radius: 6px; padding-left: 8px; transition: var(--transition); }
.mega-col a:hover { color: var(--blue); background: var(--blue-pale); }

.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.hamburger { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--navy); }

@keyframes fadeDown { from { opacity:0; transform: translateY(-8px); } to { opacity:1; transform:none; } }

/* ===== HERO SLIDER ===== */
.hero-slider {
  position: relative; overflow: hidden;
  height: 100vh; min-height: 600px; max-height: 860px;
  background: #0A1F44;
  display: flex; flex-direction: column;
}

/* Video background */
.hs-video-wrap {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
}
.hs-video {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
}
.hs-video-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8,25,65,0.82) 0%, rgba(10,40,100,0.72) 50%, rgba(15,55,120,0.65) 100%);
}

/* each slide fills the space above the stats bar */
.hs-slide {
  position: absolute;
  top: 0; left: 0; right: 0;
  bottom: 100px;
  display: flex; flex-direction: column; justify-content: center;
  opacity: 0; transition: opacity 0.8s ease; pointer-events: none;
  z-index: 1;
}
.hs-slide.active { opacity: 1; pointer-events: auto; }

.hs-overlay { display: none; } /* handled by .hs-video-overlay */

.hs-content {
  position: relative; z-index: 2;
  max-width: 700px;
  padding: 0 0 20px 0;
}

.hs-eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: #5eb8ff;
  border: 1px solid rgba(94,184,255,0.4);
  border-radius: 999px; padding: 5px 16px; margin-bottom: 22px;
}

.hs-title {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  font-weight: 800; color: #fff; line-height: 1.18;
  margin-bottom: 18px; letter-spacing: -0.02em;
}

.hs-sub {
  font-size: 1rem; color: rgba(200,225,255,0.85);
  line-height: 1.7; margin-bottom: 32px; max-width: 540px;
}

.hs-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Stats bar — pinned to very bottom */
.hs-stats-bar {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 3;
  border-top: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,10,0.35); backdrop-filter: blur(10px);
  height: 100px;
  display: flex; align-items: center;
}
.hs-stats-inner {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 0; width: 100%;
}
.hs-stat {
  text-align: center; padding: 0 16px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.hs-stat:last-child { border-right: none; }
.hs-stat-num { display: block; font-size: 1.7rem; font-weight: 800; color: #fff; line-height: 1.1; margin-bottom: 4px; }
.hs-stat-label { font-size: 0.7rem; color: #a8c5e0; text-transform: uppercase; letter-spacing: 0.08em; }

/* Arrows — vertically centered in the slide area (not full slider) */
.hs-arrow {
  position: absolute; top: calc(50% - 50px); transform: translateY(-50%);
  z-index: 4; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 2rem; width: 46px; height: 46px;
  border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.hs-arrow:hover { background: rgba(255,255,255,0.22); }
.hs-prev { left: 20px; }
.hs-next { right: 20px; }

/* Dots — sit just above stats bar */
.hs-dots {
  position: absolute; bottom: 108px; left: 50%; transform: translateX(-50%);
  z-index: 4; display: flex; gap: 8px;
}
.hs-dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,0.35); border: none; cursor: pointer;
  transition: all 0.3s; padding: 0;
}
.hs-dot.active { background: #5eb8ff; width: 24px; }

/* Progress bar */
.hs-progress {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: rgba(255,255,255,0.1); z-index: 5;
}
.hs-progress-bar { height: 100%; width: 0; background: #5eb8ff; }

/* Content animation */
.hs-slide.active .hs-eyebrow,
.hs-slide.active .hs-title,
.hs-slide.active .hs-sub,
.hs-slide.active .hs-btns {
  animation: hsFadeUp 0.7s ease both;
}
.hs-slide.active .hs-title  { animation-delay: 0.1s; }
.hs-slide.active .hs-sub    { animation-delay: 0.2s; }
.hs-slide.active .hs-btns   { animation-delay: 0.3s; }

@keyframes hsFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== SERVICES STRIP ===== */
.services-strip { padding: 96px 0; background: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  display: block; padding: 32px 28px; border-radius: var(--radius);
  border: 1.5px solid var(--border); background: #fff;
  transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.service-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2.2rem; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; margin-bottom: 18px; }
.card-link { font-size: 0.88rem; font-weight: 700; color: var(--blue); }

/* ===== AI SECTION ===== */
.ai-section { background: var(--navy); padding: 96px 0; }
.ai-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.ai-text { color: #fff; }
.ai-text h2 { color: #fff; margin-bottom: 18px; }
.ai-text > p { color: #a8c5e0; margin-bottom: 28px; font-size: 1.05rem; }
.ai-list { list-style: none; margin-bottom: 36px; display: flex; flex-direction: column; gap: 14px; }
.ai-list li { display: flex; align-items: flex-start; gap: 12px; color: #c8dff2; font-size: 0.95rem; }
.ai-list strong { color: #fff; }
.check { color: var(--blue-light); font-weight: 800; flex-shrink: 0; margin-top: 2px; }

.ai-visual { display: flex; justify-content: center; }
.ai-bubble {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14);
  border-radius: 20px; padding: 28px; max-width: 340px; width: 100%;
  position: relative;
}
.ai-bubble-icon { font-size: 2rem; margin-bottom: 16px; }
.ai-bubble-content { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.ai-msg { padding: 10px 16px; border-radius: 16px; font-size: 0.88rem; max-width: 85%; }
.ai-msg.user { background: rgba(255,255,255,0.1); color: #c8dff2; align-self: flex-end; border-bottom-right-radius: 4px; }
.ai-msg.bot { background: var(--blue); color: #fff; align-self: flex-start; border-bottom-left-radius: 4px; }
.ai-label { font-size: 0.75rem; color: #6a90b0; text-align: center; display: block; }

/* ===== WHY US ===== */
.why-us { padding: 96px 0;padding-top: 10px; background: var(--bg-light); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.why-card { padding: 36px 28px; background: #fff; border-radius: var(--radius); border: 1.5px solid var(--border); transition: var(--transition); }
.why-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.why-num { font-size: 2.5rem; font-weight: 800; color: var(--blue-pale); line-height: 1; margin-bottom: 16px; -webkit-text-stroke: 2px var(--blue); color: transparent; }
.why-card h3 { margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; }

/* ===== CLIENTS ===== */
.clients-section { padding: 80px 0; background: #fff; }
.clients-scroll { overflow: hidden; width: 100%; margin: 0 -24px; padding: 0 24px; }
.clients-track {
  display: flex; gap: 24px;
  animation: scrollClients 20s linear infinite;
  width: max-content;
}
.client-logo {
  flex-shrink: 0; width: 160px; height: 72px;
  border: 1.5px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
  background: var(--bg-light); transition: var(--transition);
}
.client-logo:hover { border-color: var(--blue); color: var(--blue); }
.clients-note { text-align: center; font-size: 0.78rem; color: #aaa; margin-top: 28px; font-style: italic; }
@keyframes scrollClients { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--blue) 0%, var(--accent) 100%); padding: 72px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(1.4rem, 3vw, 2rem); }
.cta-inner p { color: rgba(255,255,255,0.8); margin-top: 8px; }
.cta-btns { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }
.cta-inner .btn-primary { background: #fff; color: var(--blue); }
.cta-inner .btn-primary:hover { background: #e8f4fd; }

/* ===== FOOTER ===== */
.footer { background: #060f24; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-col h4 { color: #6a90b0; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 0.88rem; color: #8aa0b8; margin-bottom: 8px; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-logo .logo-name { color: #fff; }
.footer-logo .logo-sub { color: var(--blue-light); }
.brand-col > p { color: #6a90b0; font-size: 0.88rem; margin-top: 16px; margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; color: #8aa0b8;
  transition: var(--transition);
}
.social-links a:hover { background: var(--blue); color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); margin-top: 56px; padding: 20px 0; }
.footer-bottom p { font-size: 0.82rem; color: #4a6070; text-align: center; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, #0A1F44 0%, #0d3470 100%);
  padding: 72px 0 60px; text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero p { color: #a8c5e0; font-size: 1.1rem; max-width: 600px; margin: 0 auto 0; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 0.82rem; color: #6a90b0; margin-bottom: 20px; }
.breadcrumb a { color: var(--blue-light); }
.breadcrumb a:hover { color: #fff; }

/* ===== SERVICE DETAIL ===== */
.service-detail { padding: 80px 0; }
.service-detail-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.service-detail-text h2 { margin-bottom: 18px; }
.service-detail-text p { margin-bottom: 16px; font-size: 1rem; }
.feature-list { margin: 24px 0 32px; display: flex; flex-direction: column; gap: 12px; }
.feature-item { display: flex; gap: 12px; align-items: flex-start; }
.feature-item .check { color: var(--blue); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.feature-item p { margin: 0; font-size: 0.95rem; }

.service-visual {
  background: var(--bg-light); border-radius: 20px;
  border: 1.5px solid var(--border); padding: 40px 32px;
  position: sticky; top: 100px;
}
.service-visual h3 { margin-bottom: 20px; }
.info-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.info-row:last-of-type { border: none; }
.info-row span:first-child { color: var(--text-muted); }
.info-row span:last-child { font-weight: 600; color: var(--navy); }

/* ===== ABOUT ===== */
.about-section { padding: 96px 0; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text h2 { margin-bottom: 18px; }
.about-text p { margin-bottom: 16px; font-size: 1rem; }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-stat-card { background: var(--bg-light); border-radius: var(--radius); padding: 28px 24px; border: 1.5px solid var(--border); text-align: center; }
.about-stat-card .num { font-size: 2rem; font-weight: 800; color: var(--blue); display: block; }
.about-stat-card p { font-size: 0.85rem; margin: 6px 0 0; }

.mission-section { background: var(--bg-light); padding: 80px 0; }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.mission-card { background: #fff; border-radius: var(--radius); padding: 36px 28px; border: 1.5px solid var(--border); transition: var(--transition); }
.mission-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.mission-icon { font-size: 2.4rem; margin-bottom: 16px; }
.mission-card h3 { margin-bottom: 10px; }

/* ===== CONTACT ===== */
.contact-section { padding: 96px 0; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.contact-info h2 { margin-bottom: 18px; }
.contact-info p { margin-bottom: 28px; font-size: 1rem; }
.contact-detail { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--blue-pale); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-item h4 { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.contact-item p, .contact-item a { font-size: 0.95rem; color: var(--navy); margin: 0; font-weight: 600; }
.contact-item a:hover { color: var(--blue); }

.contact-form { background: var(--bg-light); border-radius: 20px; padding: 40px; border: 1.5px solid var(--border); }
.contact-form h3 { margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--navy); margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: 8px;
  border: 1.5px solid var(--border); background: #fff;
  font-size: 0.95rem; color: var(--text); font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { height: 120px; resize: vertical; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; }

/* ===== AI PAGE ===== */
.ai-cards { padding: 80px 0; }
.ai-cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.ai-detail-card { border-radius: var(--radius); border: 1.5px solid var(--border); overflow: hidden; transition: var(--transition); }
.ai-detail-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-4px); }
.ai-card-header { background: var(--navy); padding: 28px 32px; }
.ai-card-header .icon { font-size: 2.4rem; margin-bottom: 12px; }
.ai-card-header h3 { color: #fff; margin-bottom: 6px; }
.ai-card-header p { color: #a8c5e0; font-size: 0.9rem; margin: 0; }
.ai-card-body { padding: 28px 32px; }
.ai-card-body ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ai-card-body li { font-size: 0.9rem; color: var(--text-muted); padding-left: 20px; position: relative; }
.ai-card-body li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-weight: 700; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-cards-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .hero-slider { min-height: 100vh; }
  .hs-slide { bottom: 120px; }
  .hs-title { font-size: 1.7rem; }
  .hs-sub { font-size: 0.9rem; margin-bottom: 24px; }
  .hs-stats-bar { height: 120px; }
  .hs-stats-inner { grid-template-columns: repeat(2,1fr); }
  .hs-stat { padding: 10px 8px; }
  .hs-stat:nth-child(2) { border-right: none; }
  .hs-stat:nth-child(3) { border-top: 1px solid rgba(255,255,255,0.1); }
  .hs-stat:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.1); border-right: none; }
  .hs-dots { bottom: 128px; }
  .hs-arrow { display: none; }
  .hs-content { padding: 0; }
  #netmap { height: 260px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .ai-inner { grid-template-columns: 1fr; }
  .ai-visual { display: none; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .service-detail-inner { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hamburger { display: block; }
  .nav.open { display: flex; flex-direction: column; position: fixed; inset: 0; top: 70px; background: #fff; padding: 24px; overflow-y: auto; z-index: 999; }
  .nav-list { flex-direction: column; gap: 0; width: 100%; }
  .nav-item > a { padding: 14px 8px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .dropdown, .mega { display: none !important; }
  .form-row { grid-template-columns: 1fr; }
  .about-visual { grid-template-columns: 1fr 1fr; }
  .nav-actions .btn-outline { display: none; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .about-visual { grid-template-columns: 1fr; }
}

/* ===== NEW MEGA MENU (Tata Tele style) ===== */
.has-mega { position: static; }
.mega-menu {
  display: none;
  position: fixed;
  left: 0; right: 0;
  top: 105px;
  background: #fff;
  box-shadow: 0 8px 40px rgba(10,31,68,0.16);
  border-top: 3px solid var(--blue);
  z-index: 999;
  animation: fadeDown 0.2s ease;
}
.has-mega .mega-menu.open { display: flex; }
.mega-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--navy);
  padding: 16px 0;
}
.mega-tab {
  display: block; width: 100%;
  padding: 13px 20px;
  background: none; border: none;
  text-align: left; color: #a8c5e0;
  font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  border-left: 3px solid transparent;
}
.mega-tab:hover, .mega-tab.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-left-color: var(--blue-light);
}
.mega-content { flex: 1; padding: 28px 32px; overflow-y: auto; max-height: 480px; }
.mega-panel { display: none; }
.mega-panel.active { display: block; }
.mega-cols { display: flex; gap: 40px; }
.mega-cols .mega-col { flex: 1; }
.mega-cols .mega-col h4 { font-size: 0.75rem; color: var(--blue); margin-bottom: 10px; }
.mega-cols .mega-col a {
  display: block; padding: 6px 8px;
  font-size: 0.88rem; color: var(--text-muted);
  border-radius: 6px; transition: var(--transition);
}
.mega-cols .mega-col a:hover { color: var(--blue); background: var(--blue-pale); }

/* ===== SERVICES TABS SECTION ===== */
.services-tabs-section {
  padding: 96px 0;
  background: linear-gradient(180deg, #f0f5fc 0%, #e8eef8 100%);
}

.stabs-wrapper {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(10,31,68,0.18);
  border: none;
}

/* ── Tab nav: dark navy bar ── */
.stabs-nav {
  display: flex; overflow-x: auto;
  background: linear-gradient(135deg, #0a1f44 0%, #0d3470 100%);
  border-bottom: none;
  scrollbar-width: none;
  padding: 0 8px;
}
.stabs-nav::-webkit-scrollbar { display: none; }

.stab {
  display: flex; align-items: center; gap: 8px;
  padding: 18px 22px; background: none; border: none;
  font-size: 0.85rem; font-weight: 600; color: rgba(168,197,224,0.8);
  cursor: pointer; white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: 0;
  transition: all 0.25s ease;
  position: relative;
}
.stab:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.stab.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-bottom: 3px solid #5eb8ff;
}
.stab.active::after {
  content: '';
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: #5eb8ff;
  bottom: -1px;
}
.stab span { display: inline; }

/* ── Panel area: clean white with subtle gradient ── */
.stab-panels {
  padding: 40px 36px;
  background: linear-gradient(180deg, #f0f5fc 0%, #e4edf8 100%);
}
.stab-panel { display: none; }
.stab-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform:none; } }

.stab-intro { margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1.5px solid #e8eef8; }
.stab-intro h3 {
  font-size: 1.5rem; margin-bottom: 8px;
  background: linear-gradient(135deg, #0a1f44, #1469C7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stab-intro p { font-size: 0.95rem; color: var(--text-muted); }

/* ── Service cards ── */
.service-card {
  background: linear-gradient(145deg, #0d3470 0%, #1469C7 100%);
  border: none;
  border-radius: 16px;
  padding: 30px 24px;
  transition: all 0.28s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 100%);
  border-radius: 16px;
  transition: opacity 0.25s;
  opacity: 0;
}
.service-card::after {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(13,52,112,0.35);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { transform: scale(1.4); }
.service-card .service-icon {
  font-size: 2.2rem; margin-bottom: 18px; display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.2));
}
.service-card h3 {
  font-size: 1rem; font-weight: 700;
  color: #ffffff; margin-bottom: 10px;
}
.service-card p {
  font-size: 0.875rem; color: rgba(200,225,255,0.85);
  line-height: 1.6; margin-bottom: 20px;
}
.card-link {
  font-size: 0.82rem; font-weight: 700;
  color: #fff;
  background: rgba(255,255,255,0.15);
  padding: 6px 14px; border-radius: 999px;
  display: inline-block; text-decoration: none;
  transition: background 0.2s;
}
.service-card:hover .card-link {
  background: rgba(255,255,255,0.28);
}

/* Mobile mega menu overrides */
@media (max-width: 768px) {
  .mega-menu { top: 70px; flex-direction: column; }
  .mega-sidebar { width: 100%; display: flex; overflow-x: auto; padding: 8px 0; }
  .mega-tab { white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; padding: 10px 16px; }
  .mega-tab.active { border-bottom-color: var(--blue-light); }
  .mega-cols { flex-direction: column; gap: 16px; }
  .stab span { display: none; }
  .stab { padding: 14px 16px; font-size: 1.1rem; }
  .stab-panels { padding: 24px 16px; }
}