:root {
  --primary: #1e6ba8;
  --secondary: #5cc3db;
  --dark: #0f2027;
  --dark-2: #203a43;
  --dark-3: #2c5364;
  --text: #1f2937;
  --muted: #6b7280;
  --white: #ffffff;
  --shadow: 0 20px 45px rgba(0,0,0,0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: 0.8rem 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(12, 24, 35, 0.12);
  padding: 0.35rem 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo img {
  height: 70px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.45));
}

.site-header.scrolled .logo img {
  height: 58px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* Updated Desktop Nav Links with Sliding Underline */
.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  transition: color 0.3s ease;
  position: relative;
}

.site-header.scrolled .nav-link {
  color: #374151;
}

.nav-link.active,
.nav-link:hover {
  color: var(--secondary);
}

.nav-link:not(.cta)::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 50%;
  background-color: var(--secondary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:not(.cta):hover::after,
.nav-link:not(.cta).active::after {
  width: 100%;
}

/* Updated CTA Button Animation */
.nav-link.cta {
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(0,0,0,0.14);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.site-header.scrolled .nav-link.cta {
  background: var(--primary);
  color: var(--white);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0.3rem;
  cursor: pointer;
}

/* Updated Hamburger to 'X' Animation */
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left center;
}

.site-header.scrolled .menu-toggle span {
  background: #111827;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1556761175-b413da4baf72?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&q=80&w=1920');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,32,39,0.92), rgba(32,58,67,0.88), rgba(44,83,100,0.92));
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  margin: 0 0 1rem;
  line-height: 1.1;
}

.hero h1 span {
  color: var(--secondary);
  display: block;
}

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin: 0 auto 2rem;
  max-width: 760px;
  color: rgba(255,255,255,0.9);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.45rem;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
}

.btn-secondary {
  border: 2px solid rgba(255,255,255,0.9);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
}

.full-width {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.scroll-indicator {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: rgba(255,255,255,0.14);
  backdrop-filter: blur(6px);
  animation: bounce 1.6s infinite;
}

.section {
  padding: 6rem 0;
}

.about {
  background-image: linear-gradient(90deg, rgba(15,32,39,0.95), rgba(44,83,100,0.9)), url('https://images.unsplash.com/photo-1559136555-9303baea8ebd?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&q=80&w=1080');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--white);
}

.capabilities {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.services {
  background-image: linear-gradient(180deg, rgba(15,22,32,0.95), rgba(15,32,39,0.95)), url('https://images.unsplash.com/photo-1631193816258-28b44b21e78b?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&q=80&w=1080');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--white);
}

.contact {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, var(--dark-3) 100%);
  color: var(--white);
}

.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-heading h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 3.5vw, 2.9rem);
}

.divider {
  width: 90px;
  height: 4px;
  background: var(--secondary);
  margin: 0 auto 1rem;
  border-radius: 999px;
}

.section-heading p {
  margin: 0;
  color: inherit;
  opacity: 0.9;
}

.card-grid {
  display: grid;
  gap: 1.35rem;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.glass-card,
.info-card,
.service-card,
.contact-card {
  border-radius: 1rem;
  padding: 1.45rem;
  box-shadow: var(--shadow);
}

.glass-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
}

.info-card {
  background: var(--white);
}

.service-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
}

.icon-badge {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.glass-card h3,
.info-card h3,
.service-card h3,
.contact-card h3,
.panel h3,
.strength-panel h3 {
  margin: 0 0 0.7rem;
  font-size: 1.2rem;
}

.glass-card p,
.info-card p,
.service-card li,
.contact-card p,
.panel li,
.strength-grid div {
  color: inherit;
  opacity: 0.9;
}

.service-card ul,
.panel ul {
  padding-left: 1rem;
  margin: 0;
}

.panel,
.strength-panel {
  margin-top: 2rem;
  border-radius: 1rem;
  padding: 1.8rem;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
}

.panel-grid,
.strength-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.strength-panel {
  background: linear-gradient(135deg, var(--primary), var(--dark-3));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 1rem;
}

.contact-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: rgba(255,255,255,0.1);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(255,255,255,0.18);
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 0.8rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.14);
  color: var(--white);
  font: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.65);
}

.footer {
  margin-top: 2.5rem;
  text-align: center;
  color: rgba(255,255,255,0.72);
  border-top: 1px solid rgba(255,255,255,0.16);
  padding-top: 1.4rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@media (max-width: 900px) {
  .three-up,
  .contact-grid,
  .panel-grid,
  .strength-grid {
    grid-template-columns: 1fr;
  }
}

/* Updated Smooth Mobile Nav Transition */
@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 1rem;
    left: 1rem;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow);
    
    display: flex;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px) scale(0.98);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .site-nav .nav-link {
    color: #111827;
    padding: 0.55rem 0;
  }

  .nav-link.cta {
    background: var(--primary);
    color: var(--white);
    text-align: center;
  }

  .hero {
    padding-top: 7rem;
  }
}