@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700;800&display=swap');

:root {
  --navy-100: #d9e2ec;
  --navy-200: #bcccdc;
  --navy-300: #9fb3c8;
  --navy-400: #829ab1;
  --navy-600: #486581;
  --navy-700: #334e68;
  --navy-800: #243b53;
  --navy-900: #1a365d;
  --navy-950: #102a43;
  --accent-300: #5eead4;
  --accent-400: #2dd4bf;
  --accent-500: #14b8a6;
  --accent-600: #0891b2;
  --accent-700: #0e7490;
  --accent-900: #164e63;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--navy-950);
  color: #fff;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex-grow: 1; }
::selection { background: var(--accent-600); color: #fff; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { font-family: 'Montserrat', system-ui, sans-serif; font-weight: 700; }

/* Layout helpers */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }
.section { padding: 4rem 1rem; }
@media (min-width: 640px) { .section { padding: 5rem 1.5rem; } }
@media (min-width: 1024px) { .section { padding: 6rem 2rem; } }

.bg-alt { background: rgba(26, 54, 93, 0.3); }
.gradient-text {
  background: linear-gradient(to right, var(--accent-400), var(--accent-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent-600);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-500);
  box-shadow: 0 10px 25px -5px rgba(8, 145, 178, 0.25);
}
.btn-primary:active { transform: scale(0.97); }
.btn-secondary {
  border: 2px solid var(--accent-600);
  color: var(--accent-400);
  background: transparent;
}
.btn-secondary:hover { background: var(--accent-600); color: #fff; }
.btn-icon { width: 1.25rem; height: 1.25rem; margin-left: 0.5rem; }
.btn-icon-left { width: 1.25rem; height: 1.25rem; margin-right: 0.5rem; }

/* Card */
.card {
  background: rgba(26, 54, 93, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(51, 78, 104, 0.5);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.card:hover { border-color: rgba(8, 145, 178, 0.5); }
.card-accent { background: linear-gradient(to bottom right, rgba(22, 78, 99, 0.3), var(--navy-900)); }

/* Pill / badge */
.pill {
  display: inline-block;
  padding: 0.375rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-400);
  background: rgba(22, 78, 99, 0.3);
  border: 1px solid rgba(14, 116, 144, 0.5);
  border-radius: 9999px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: all 0.3s ease;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(16, 42, 67, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 25px -5px rgba(16, 42, 67, 0.5);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
@media (min-width: 640px) { .nav-inner { height: 5rem; padding: 0 1.5rem; } }
@media (min-width: 1024px) { .nav-inner { padding: 0 2rem; } }

.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-mark {
  width: 2.5rem; height: 2.5rem;
  background: linear-gradient(to bottom right, var(--accent-500), var(--accent-700));
  border-radius: 0.5rem;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: #fff;
  font-size: 1.25rem;
}
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.125rem; }
.logo-text-accent { color: var(--accent-400); font-weight: 500; margin-left: 0.25rem; }
.logo-name { display: none; }
@media (min-width: 640px) { .logo-name { display: block; } }

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a {
  color: var(--navy-200);
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-400); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.25rem;
  width: 0; height: 2px;
  background: var(--accent-500);
  transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: block;
  background: none;
  border: none;
  color: #fff;
  padding: 0.5rem;
  cursor: pointer;
}
@media (min-width: 768px) { .nav-toggle { display: none; } }
.nav-toggle svg { width: 1.5rem; height: 1.5rem; }

.mobile-menu {
  display: none;
  padding: 1rem;
}
.mobile-menu.open { display: block; }
@media (min-width: 768px) { .mobile-menu, .mobile-menu.open { display: none; } }
.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--navy-200);
  border-radius: 0.5rem;
  margin-bottom: 0.25rem;
}
.mobile-menu a:hover { background: rgba(26, 54, 93, 0.5); color: var(--accent-400); }
.mobile-menu .btn-primary { width: 100%; margin-top: 1rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(to bottom, var(--navy-950), var(--navy-900));
}
#scene3d {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#scene3d canvas { display: block; width: 100%; height: 100%; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(16,42,67,0.3), transparent, var(--navy-950));
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto;
  padding: 8rem 1rem 10rem;
}
@media (min-width: 640px) { .hero-content { padding: 10rem 1.5rem; } }
@media (min-width: 1024px) { .hero-content { padding: 10rem 2rem; } }
.hero-text { max-width: 48rem; }
.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}
.hero p.lede {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: var(--navy-200);
  line-height: 1.6;
  max-width: 42rem;
}
@media (min-width: 640px) { .hero p.lede { font-size: 1.25rem; } }
.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 640px) { .hero-actions { flex-direction: row; } }

.trust {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--navy-800);
}
.trust-label { color: var(--navy-400); font-size: 0.875rem; margin-bottom: 1rem; }
.trust-stats { display: flex; flex-wrap: wrap; gap: 2rem; }
.trust-stat .num { font-size: 1.5rem; font-weight: 700; color: #fff; }
.trust-stat .lbl { font-size: 0.875rem; color: var(--navy-400); }

/* Section heading block */
.section-head { text-align: center; max-width: 42rem; margin: 0 auto 4rem; }
.section-head h2 {
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  color: #fff;
  margin-bottom: 1rem;
}
.section-head p { color: var(--navy-300); }

/* Service grid */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .grid-2-lg { grid-template-columns: repeat(2, 1fr); } }
.gap-12 { gap: 3rem; }
.items-center { align-items: center; }

.service-card { display: block; height: 100%; }
.service-card .card { height: 100%; transition: transform 0.3s, border-color 0.3s; }
.service-card:hover .card { transform: scale(1.02); }
.service-icon-wrap {
  width: 3.5rem; height: 3.5rem;
  border-radius: 0.75rem;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-400);
}
.service-icon-wrap svg { width: 1.75rem; height: 1.75rem; }
.service-card h3 { font-size: 1.25rem; color: #fff; margin-bottom: 0.75rem; }
.service-card:hover h3 { color: var(--accent-400); }
.service-card p { color: var(--navy-300); line-height: 1.6; margin-bottom: 1rem; }
.learn-more { color: var(--accent-400); font-weight: 500; font-size: 0.875rem; display: inline-flex; align-items: center; }
.learn-more svg { width: 1rem; height: 1rem; margin-left: 0.5rem; transition: transform 0.2s; }
.service-card:hover .learn-more svg { transform: translateX(4px); }

/* Process */
.process { position: relative; }
.process-line {
  display: none;
  position: absolute;
  top: 6rem; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, rgba(8,145,178,0.5), transparent);
}
@media (min-width: 1024px) { .process-line { display: block; } }
.step { text-align: center; }
@media (min-width: 1024px) { .step { text-align: left; } }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem; height: 4rem;
  border-radius: 9999px;
  background: var(--navy-900);
  border: 2px solid var(--accent-600);
  margin-bottom: 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-400);
  position: relative;
  z-index: 1;
}
.step h3 { font-size: 1.25rem; color: #fff; margin-bottom: 0.75rem; }
.step p { color: var(--navy-300); line-height: 1.6; }

/* CTA section */
.cta-block {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  background: linear-gradient(to bottom right, rgba(22, 78, 99, 0.5), var(--navy-900));
  border: 1px solid rgba(14, 116, 144, 0.3);
  padding: 4rem 1.5rem;
  text-align: center;
}
@media (min-width: 640px) { .cta-block { padding: 5rem 3rem; } }
@media (min-width: 1024px) { .cta-block { padding: 6rem 4rem; } }
.cta-block h2 { font-size: clamp(1.875rem, 4vw, 3rem); color: #fff; margin-bottom: 1.5rem; }
.cta-block p { color: var(--navy-200); font-size: 1.125rem; margin-bottom: 2.5rem; max-width: 42rem; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; flex-direction: column; gap: 1rem; justify-content: center; }
@media (min-width: 640px) { .cta-actions { flex-direction: row; } }

/* Footer */
.footer { background: var(--navy-950); border-top: 1px solid var(--navy-800); padding: 3rem 1rem; }
@media (min-width: 640px) { .footer { padding: 4rem 1.5rem; } }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: repeat(4, 1fr); gap: 3rem; } }
.footer-brand p { margin-top: 1rem; color: var(--navy-300); font-size: 0.875rem; line-height: 1.6; }
.footer h3 { color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 600; margin-bottom: 1rem; }
.footer ul li { margin-bottom: 0.75rem; }
.footer ul a, .footer .info-list { color: var(--navy-300); font-size: 0.875rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--accent-400); }
.info-list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.info-list svg { width: 1.25rem; height: 1.25rem; color: var(--accent-500); flex-shrink: 0; margin-top: 2px; }
.socials { display: flex; gap: 1rem; margin-top: 1.5rem; }
.socials a { color: var(--navy-400); transition: color 0.2s; }
.socials a:hover { color: var(--accent-400); }
.socials svg { width: 1.25rem; height: 1.25rem; }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--navy-800);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-bottom p, .footer-bottom a { color: var(--navy-400); font-size: 0.875rem; }
.footer-bottom a:hover { color: var(--accent-400); }
.footer-bottom .links { display: flex; gap: 1.5rem; }

/* Page hero (for sub pages) */
.page-hero { padding-top: 6rem; background: linear-gradient(to bottom, var(--navy-950), var(--navy-900)); }
.page-hero h1 { font-size: clamp(2.25rem, 4.5vw, 3rem); color: #fff; margin-bottom: 1.5rem; }
.page-hero p { color: var(--navy-200); font-size: 1.125rem; line-height: 1.6; max-width: 48rem; }

/* Stats card grid */
.stat-card { text-align: center; }
.stat-card .num { font-size: clamp(1.875rem, 3vw, 2.25rem); color: var(--accent-400); font-weight: 700; font-family: 'Montserrat', sans-serif; margin-bottom: 0.5rem; }
.stat-card .lbl { color: var(--navy-300); font-size: 0.875rem; }

/* Values */
.value-card { text-align: center; }
.value-icon {
  width: 4rem; height: 4rem;
  border-radius: 1rem;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--accent-400);
}
.value-icon svg { width: 2rem; height: 2rem; }
.value-card h3 { font-size: 1.25rem; color: #fff; margin-bottom: 0.75rem; }
.value-card p { color: var(--navy-300); line-height: 1.6; }

/* Tech list */
.tech-item { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; }
.tech-item-icon {
  width: 2.5rem; height: 2.5rem; border-radius: 0.5rem;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--accent-400);
}
.tech-item-icon svg { width: 1.25rem; height: 1.25rem; }
.tech-item h4 { color: #fff; font-weight: 600; margin-bottom: 0.25rem; }
.tech-item p { color: var(--navy-300); font-size: 0.875rem; }

.cert-list li { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1rem; }
.cert-list svg { width: 1.25rem; height: 1.25rem; color: var(--accent-500); flex-shrink: 0; }
.cert-list span { color: var(--navy-200); }

/* Services detail layout */
.svc-block { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; margin-bottom: 6rem; }
@media (min-width: 1024px) { .svc-block { grid-template-columns: repeat(2, 1fr); gap: 4rem; } }
.svc-block:last-child { margin-bottom: 0; }
.svc-block.reverse .svc-content { order: 2; }
.svc-block.reverse .svc-features { order: 1; }
@media (max-width: 1023px) { .svc-block.reverse .svc-content, .svc-block.reverse .svc-features { order: initial; } }
.svc-icon-large {
  width: 4rem; height: 4rem;
  border-radius: 1rem;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-400);
}
.svc-icon-large svg { width: 2.5rem; height: 2.5rem; }
.svc-content h2 { font-size: 1.875rem; color: #fff; margin-bottom: 0.5rem; }
.svc-tag { color: var(--accent-400); font-weight: 500; margin-bottom: 1rem; }
.svc-desc { color: var(--navy-200); line-height: 1.6; margin-bottom: 2rem; }
.benefit { display: flex; gap: 0.75rem; align-items: flex-start; margin-bottom: 0.75rem; }
.benefit svg { width: 1.25rem; height: 1.25rem; color: var(--accent-500); flex-shrink: 0; margin-top: 2px; }
.benefit span { color: var(--navy-200); }
.svc-features h3 { font-size: 1.125rem; color: #fff; margin-bottom: 1.5rem; }
.svc-features ul li { display: flex; gap: 0.75rem; align-items: flex-start; margin-bottom: 1rem; }
.svc-features ul li svg { width: 1.25rem; height: 1.25rem; color: var(--accent-500); flex-shrink: 0; margin-top: 2px; }
.svc-features ul li span { color: var(--navy-300); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 2fr 1fr; } }
.contact-grid h2 { font-size: 1.5rem; color: #fff; margin-bottom: 1.5rem; }

form .field { margin-bottom: 1.5rem; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .field-row { grid-template-columns: repeat(2, 1fr); } }
form label { display: block; font-size: 0.875rem; color: var(--navy-200); margin-bottom: 0.5rem; font-weight: 500; }
form input, form select, form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(26, 54, 93, 0.5);
  border: 1px solid var(--navy-700);
  border-radius: 0.5rem;
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
form input::placeholder, form textarea::placeholder { color: #627d98; }
form input:focus, form select:focus, form textarea:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 1px var(--accent-500);
}
form textarea { resize: vertical; min-height: 8rem; }
form select option { background: var(--navy-900); }
.form-required { font-size: 0.875rem; color: var(--navy-400); margin-top: 1rem; }

.contact-info-card { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.contact-info-card .icon-wrap {
  width: 3rem; height: 3rem; border-radius: 0.75rem;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--accent-400);
}
.contact-info-card .icon-wrap svg { width: 1.5rem; height: 1.5rem; }
.contact-info-card h3 { color: #fff; font-weight: 600; margin-bottom: 0.5rem; }
.contact-info-card p { color: var(--navy-300); font-size: 0.875rem; margin-bottom: 0.25rem; }
.contact-info-card a { color: var(--navy-300); transition: color 0.2s; }
.contact-info-card a:hover { color: var(--accent-400); }

/* FAQ */
.faq-list { max-width: 56rem; margin: 0 auto; }
.faq-item { margin-bottom: 1rem; }
.faq-item h3 { font-size: 1.125rem; color: #fff; margin-bottom: 0.5rem; font-weight: 600; }
.faq-item p { color: var(--navy-300); line-height: 1.6; }

/* Form success */
.form-success {
  text-align: center;
  padding: 3rem 1.5rem;
}
.form-success .check-circle {
  width: 4rem; height: 4rem;
  border-radius: 9999px;
  background: rgba(22, 78, 99, 0.5);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--accent-400);
}
.form-success .check-circle svg { width: 2rem; height: 2rem; }
.form-success h3 { font-size: 1.5rem; color: #fff; margin-bottom: 1rem; }
.form-success p { color: var(--navy-300); margin-bottom: 1.5rem; }

/* Helpers */
.text-center { text-align: center; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.hidden { display: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--navy-950); }
::-webkit-scrollbar-thumb { background: var(--navy-700); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy-600); }

/* Fade-in on scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }