:root {
  /* Colors */
  --surface-container-low: #eff4ff;
  --on-primary: #ffffff;
  --on-surface: #0b1c30;
  --surface-container-high: #dce9ff;
  --on-tertiary-fixed: #001e30;
  --on-surface-variant: #41484d;
  --surface-bright: #f8f9ff;
  --surface-tint: #35637e;
  --on-background: #0b1c30;
  --primary-fixed-dim: #9fcceb;
  --on-primary-fixed: #001e2d;
  --on-tertiary-container: #80a5c4;
  --secondary: #596400;
  --inverse-surface: #213145;
  --on-tertiary-fixed-variant: #234a65;
  --primary-fixed: #c5e7ff;
  --signal-lime: #A5B729;
  --on-secondary-container: #5d6900;
  --tertiary-fixed-dim: #a5cbeb;
  --surface-dim: #cbdbf5;
  --on-secondary: #ffffff;
  --surface-container: #e5eeff;
  --outline: #71787d;
  --inverse-on-surface: #eaf1ff;
  --surface-muted: #F8FAFC;
  --error-container: #ffdad6;
  --on-primary-container: #79a6c4;
  --tertiary-container: #0f3b55;
  --secondary-container: #d7ea59;
  --on-error: #ffffff;
  --secondary-fixed-dim: #bed142;
  --secondary-fixed: #daed5c;
  --surface-container-highest: #d3e4fe;
  --inverse-primary: #9fcceb;
  --mission-navy: #003C55;
  --tertiary-fixed: #cae6ff;
  --primary-container: #003c55;
  --tertiary: #002539;
  --background: #f8f9ff;
  --on-secondary-fixed: #191e00;
  --surface-container-lowest: #ffffff;
  --status-alert: #E11D48;
  --primary: #002537;
  --surface-variant: #d3e4fe;
  --error: #ba1a1a;
  --on-secondary-fixed-variant: #424b00;
  --outline-variant: #c1c7cd;
  --on-tertiary: #ffffff;
  --surface: #f8f9ff;
  --on-error-container: #93000a;
  --on-primary-fixed-variant: #194b65;

  /* Typography */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-label: 'JetBrains Mono', monospace;

  /* Border Radius */
  --radius-default: 0.25rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Spacing Scale (rem based, 1rem = 16px) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */
  --space-32: 8rem;    /* 128px */

  --container-max: 1280px;
  --gutter: var(--space-6);
}

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  overflow-x: hidden;
}

::selection {
  background-color: var(--signal-lime);
  color: var(--mission-navy);
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

ul {
  list-style: none;
}

/* Typography Utilities */
.font-headline-xl { font-family: var(--font-headline); font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
.font-headline-lg { font-family: var(--font-headline); font-size: clamp(2rem, 4vw, 2.5rem); line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
.font-headline-md { font-family: var(--font-headline); font-size: 1.5rem; line-height: 1.3; font-weight: 600; }
.font-body-lg { font-family: var(--font-body); font-size: 1.125rem; line-height: 1.6; font-weight: 400; }
.font-body-md { font-family: var(--font-body); font-size: 1rem; line-height: 1.6; font-weight: 400; }
.font-label-caps { font-family: var(--font-label); font-size: 0.75rem; line-height: 1; letter-spacing: 0.05em; font-weight: 600; text-transform: uppercase; }

/* Layout Utilities */
.relative { position: relative; }
.whitespace-nowrap { white-space: nowrap; }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.py-section-lg { padding-block: var(--space-24); }
.py-section-md { padding-block: var(--space-16); }
.py-section-sm { padding-block: var(--space-8); }

.max-w-prose { max-width: 65ch; }
.mx-auto { margin-inline: auto; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* Gap Utilities */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Margin Utilities */
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-20 { margin-bottom: var(--space-20); }
.mb-24 { margin-bottom: var(--space-24); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }

/* Material Symbols */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  line-height: 1;
}
.icon-sm { font-size: 1rem; }
.icon-md { font-size: 1.5rem; }
.icon-lg { font-size: 2rem; }

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  background-color: var(--mission-navy);
  transition: all 0.3s ease;
  padding-block: var(--space-4);
}

.navbar.scrolled {
  padding-block: var(--space-2);
  background-color: rgba(0, 60, 85, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav-link {
  color: var(--on-primary);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--signal-lime); }

/* Logo */
.logo-text {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
  color: var(--on-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.logo-text::before {
  content: "";
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--signal-lime);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-headline);
  font-weight: 700;
}

.btn-primary {
  background-color: var(--signal-lime);
  color: var(--mission-navy);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(165,183,41,0.3); }

.btn-large-navy {
  background-color: var(--mission-navy);
  color: var(--on-primary);
  padding: 1rem 2rem;
  gap: var(--space-2);
}
.btn-large-navy:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
}

.btn-large-outline {
  border: 2px solid var(--mission-navy);
  color: var(--mission-navy);
  padding: 1rem 2rem;
}
.btn-large-outline:hover {
  background-color: rgba(0,60,85,0.05);
  transform: translateY(-2px);
}

/* Specific Sections & Modules */

/* Hero */
.hero {
  position: relative;
  padding-top: var(--space-32);
  padding-bottom: var(--space-24);
  background-color: var(--surface);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: var(--space-12);
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--surface-container-high);
  border-radius: var(--radius-full);
  border: 1px solid var(--outline-variant);
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--signal-lime);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

.hero-image-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 6px solid white;
  aspect-ratio: 4/3;
  background-color: var(--surface-container-high);
}
.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background-color: rgba(0, 60, 85, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.floating-widget {
  position: absolute; 
  bottom: -2rem; 
  left: -2rem; 
  background: white; 
  padding: 1.5rem; 
  border-radius: var(--radius-lg); 
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  border: 1px solid var(--outline-variant); 
  z-index: 10;
}
.widget-avatar {
  width: 3rem; 
  height: 3rem; 
  border-radius: 50%; 
  object-fit: cover;
}

/* Active Missions Grid */
.missions-section {
  background-color: var(--mission-navy);
  color: var(--on-primary);
}

.missions-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .missions-grid { grid-template-columns: repeat(3, 1fr); }
}

.bento-card {
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.bento-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255,255,255,0.15);
}
.bento-image-wrapper {
  position: relative;
  height: 18rem;
  overflow: hidden;
  background-color: rgba(0,0,0,0.2);
}
.bento-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.bento-card:hover .bento-image-wrapper img {
  transform: scale(1.05);
}
.bento-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 37, 57, 1) 0%, rgba(0, 37, 57, 0) 100%);
}
.bento-title-box {
  position: absolute; 
  bottom: 1.5rem; 
  left: 1.5rem;
  right: 1.5rem;
}
.bento-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.tag-live {
  background-color: var(--signal-lime);
  color: var(--mission-navy);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-default);
  display: inline-block;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

/* How It Works */
.how-it-works-section {
  background-color: var(--surface);
  position: relative;
  overflow: hidden;
}
.step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}
@media (min-width: 1024px) {
  .step-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-12); }
}
.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.step-icon-wrapper {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  background-color: var(--mission-navy);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: 0 0 0 6px var(--surface);
  transition: all 0.3s ease;
}
.step-card:hover .step-icon-wrapper {
  box-shadow: 0 0 0 6px var(--signal-lime);
}
.step-content-box {
  background-color: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--outline-variant);
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  flex: 1;
  width: 100%;
}

/* Use Cases */
.use-cases-section {
  background-color: var(--surface-container-low);
}
.use-cases-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .use-cases-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 350px;
  }
}
.uc-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  background-color: rgba(0,0,0,0.1);
}
.uc-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.uc-card:hover img {
  transform: scale(1.05);
}
.uc-gradient {
  position: absolute;
  inset: 0;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.uc-gradient.vertical {
  background: linear-gradient(to top, rgba(0, 37, 57, 0.95), transparent);
}
.uc-gradient.horizontal {
  background: linear-gradient(to right, rgba(0, 37, 57, 0.9), rgba(0, 37, 57, 0.4), transparent);
}
.uc-span-8 { grid-column: span 1; }
.uc-span-4 { grid-column: span 1; }
@media (min-width: 768px) {
  .uc-span-8 { grid-column: span 8; }
  .uc-span-4 { grid-column: span 4; }
}

/* Testimonials */
.testimonials-section {
  background-color: var(--mission-navy);
  color: var(--on-primary);
  position: relative;
  overflow: hidden;
}
.testim-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .testim-grid { grid-template-columns: repeat(3, 1fr); }
}
.testim-card {
  background-color: rgba(255,255,255,0.03);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Final CTA */
.cta-section {
  background-color: var(--surface);
  position: relative;
  overflow: hidden;
}
.curve-mask {
  clip-path: ellipse(150% 100% at 50% 0%);
}
.cta-btn-lime {
  background-color: var(--signal-lime);
  color: var(--mission-navy);
  padding: 1.25rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 15px -3px rgba(165, 183, 41, 0.2);
  transition: transform 0.2s;
}
.cta-btn-lime:hover {
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: var(--surface-container-lowest);
  border-top: 1px solid var(--outline-variant);
}
.footer-link {
  color: var(--on-surface-variant);
  transition: color 0.2s;
}
.footer-link:hover {
  color: var(--signal-lime);
}

/* Utility Helpers */
.text-mission-navy { color: var(--mission-navy); }
.text-signal-lime { color: var(--signal-lime); }
.text-on-surface-variant { color: var(--on-surface-variant); }
.text-white { color: #ffffff; }
.text-white-80 { color: rgba(255, 255, 255, 0.8); }
.text-white-60 { color: rgba(255, 255, 255, 0.6); }

.text-center { text-align: center; }
.italic { font-style: italic; }
.hidden-mobile { display: none; }
@media (min-width: 768px) {
  .hidden-mobile { display: flex; }
  footer .hidden-mobile { display: block; }
}/* Demo Section iframe */
.demo-container {
  background-color: var(--surface-container);
  border-radius: var(--radius-2xl);
  padding: var(--space-4);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
  border: 1px solid var(--outline-variant);
  max-width: 1000px;
  margin-inline: auto;
}
.iframe-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 75%; /* Aspect ratio for iframe */
  height: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
  background-color: var(--surface-container-low);
}
@media (min-width: 768px) {
  .iframe-wrapper {
    padding-bottom: 60%;
  }
}
.iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}