/* ============================================================
   SPEL DRONE & DEFENSE SYSTEMS — Main Stylesheet
   Defense/Aerospace palette: deep navy, steel blue, carbon accent
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root,
[data-theme='light'] {
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-surface-2: #f7f8fa;
  --color-surface-offset: #e8ecf1;
  --color-surface-offset-2: #dde2ea;
  --color-divider: #c8cfd9;
  --color-border: #b8c1ce;

  --color-text: #0e1825;
  --color-text-muted: #4a5568;
  --color-text-faint: #9aa5b4;
  --color-text-inverse: #f0f4f8;

  /* Navy primary */
  --color-primary: #0d2b52;
  --color-primary-hover: #0a2040;
  --color-primary-active: #071830;
  --color-primary-highlight: #c5d3e8;

  /* Steel blue accent */
  --color-accent: #1e5fa8;
  --color-accent-hover: #1a4f8e;
  --color-accent-active: #153f71;
  --color-accent-highlight: #ccddf5;

  /* Gold highlight for CTAs */
  --color-cta: #c8922a;
  --color-cta-hover: #a97620;
  --color-cta-active: #8a5e18;

  --color-success: #2e7d32;
  --color-warning: #e65100;
  --color-error: #c62828;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 3px rgba(13, 43, 82, 0.08);
  --shadow-md: 0 4px 16px rgba(13, 43, 82, 0.12);
  --shadow-lg: 0 12px 40px rgba(13, 43, 82, 0.18);
  --shadow-xl: 0 24px 64px rgba(13, 43, 82, 0.22);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1280px;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.1rem + 1vw, 2rem);
  --text-2xl: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  --text-3xl: clamp(2.25rem, 1rem + 3.5vw, 4rem);
  --text-hero: clamp(2.75rem, 0.5rem + 5.5vw, 5.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: 'Barlow Condensed', 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

[data-theme='dark'] {
  --color-bg: #060c14;
  --color-surface: #0c1622;
  --color-surface-2: #10192a;
  --color-surface-offset: #0f1e30;
  --color-surface-offset-2: #132338;
  --color-divider: #1c2e44;
  --color-border: #243650;

  --color-text: #e2e8f0;
  --color-text-muted: #8fa3bc;
  --color-text-faint: #4a6080;
  --color-text-inverse: #0e1825;

  --color-primary: #2a6ab8;
  --color-primary-hover: #3a7acf;
  --color-primary-active: #4a8ae0;
  --color-primary-highlight: #0d2b52;

  --color-accent: #4a8fd4;
  --color-accent-hover: #5a9fe8;
  --color-accent-active: #6aafff;
  --color-accent-highlight: #0d2b52;

  --color-cta: #e8a830;
  --color-cta-hover: #f0bc4a;
  --color-cta-active: #f8d060;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.6);
}

/* --- BASE RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s, color 0.3s;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.1;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

p, li { text-wrap: pretty; max-width: 72ch; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

::selection {
  background: rgba(30, 95, 168, 0.25);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* --- LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}

.container--narrow { max-width: var(--content-default); }

/* --- NAVIGATION --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 12, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(36, 54, 80, 0.6);
  transition: box-shadow 0.3s;
}

[data-theme='light'] .site-header {
  background: rgba(14, 24, 37, 0.96);
}

.site-header--scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.1;
}

.nav-logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: #8fa3bc;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #c8d6e8;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: rgba(74, 143, 212, 0.15);
}

.nav-links a.active {
  color: #7dc0ff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-cta);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-nav-cta:hover { background: var(--color-cta-hover); transform: translateY(-1px); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: #8fa3bc;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  color: #fff;
  background: rgba(74, 143, 212, 0.15);
}

/* Mobile nav — hidden by default on desktop */
.mobile-nav { display: none; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #c8d6e8;
  border-radius: 2px;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #040911 0%, #0a1628 40%, #0d2044 70%, #0a1832 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(30, 95, 168, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(74, 143, 212, 0.1) 0%, transparent 60%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 143, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 143, 212, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: var(--space-5);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cta);
  border-radius: 1px;
}

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  line-height: 1.0;
}

.hero h1 .line-accent {
  color: #4a8fd4;
  display: block;
}

.hero-desc {
  font-size: var(--text-lg);
  color: #8fa3bc;
  max-width: 52ch;
  margin-bottom: var(--space-10);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--color-cta);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
  box-shadow: 0 4px 20px rgba(200, 146, 42, 0.35);
}

.btn-primary:hover {
  background: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200, 146, 42, 0.45);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border: 1.5px solid rgba(74, 143, 212, 0.5);
  color: #a8c8f0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-interactive), color var(--transition-interactive), background var(--transition-interactive);
}

.btn-outline:hover {
  border-color: rgba(74, 143, 212, 0.9);
  color: #ffffff;
  background: rgba(74, 143, 212, 0.1);
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(36, 54, 80, 0.7);
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #fff;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: #8fa3bc;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* --- SECTION SHARED STYLES --- */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-dark {
  background: #060c14;
  color: #e2e8f0;
}

.section-navy {
  background: #0a1628;
  color: #e2e8f0;
}

.section-mid {
  background: #0c1622;
  color: #e2e8f0;
}

[data-theme='light'] .section-dark { background: #0e1825; }
[data-theme='light'] .section-navy { background: #0d2b52; }
[data-theme='light'] .section-mid { background: #132240; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: var(--space-4);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-cta);
  border-radius: 1px;
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-4);
  line-height: 1.05;
}

.section-title-light { color: #ffffff; }

.section-subtitle {
  font-size: var(--text-lg);
  color: #8fa3bc;
  max-width: 56ch;
  line-height: 1.6;
  margin-bottom: var(--space-12);
}

/* --- CAPABILITIES / FEATURES --- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.capability-card {
  background: rgba(12, 22, 34, 0.8);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.capability-card:hover {
  border-color: rgba(74, 143, 212, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.capability-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(30, 95, 168, 0.2), rgba(74, 143, 212, 0.1));
  border: 1px solid rgba(74, 143, 212, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: #4a8fd4;
}

.capability-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.capability-card p {
  font-size: var(--text-sm);
  color: #8fa3bc;
  line-height: 1.6;
}

/* --- PRODUCTS PREVIEW --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

.product-card {
  background: rgba(12, 22, 34, 0.9);
  border: 1px solid rgba(36, 54, 80, 0.7);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: rgba(74, 143, 212, 0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.product-card-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-cta);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.product-card-visual {
  position: relative;
  background: linear-gradient(135deg, #080f1a 0%, #0d1e36 50%, #0a1628 100%);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 143, 212, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 143, 212, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

.product-drone-icon {
  position: relative;
  z-index: 2;
  color: rgba(74, 143, 212, 0.5);
}

.product-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-variant-tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: rgba(30, 95, 168, 0.15);
  border: 1px solid rgba(74, 143, 212, 0.2);
  color: #7dc0ff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.product-card-body h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #e2e8f0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}

.product-card-body p {
  font-size: var(--text-sm);
  color: #8fa3bc;
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-6);
}

.product-specs-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(6, 12, 20, 0.5);
  border: 1px solid rgba(36, 54, 80, 0.5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.spec-mini-item { text-align: center; }

.spec-mini-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #4a8fd4;
}

.spec-mini-label {
  font-size: var(--text-xs);
  color: #8fa3bc;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.btn-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1.5px solid rgba(74, 143, 212, 0.4);
  color: #7dc0ff;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  width: 100%;
  transition: all var(--transition-interactive);
}

.btn-card:hover {
  background: rgba(74, 143, 212, 0.15);
  border-color: rgba(74, 143, 212, 0.8);
  color: #fff;
}

/* --- SPEC TABLE --- */
.spec-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(36, 54, 80, 0.6);
}

.spec-table {
  width: 100%;
  font-size: var(--text-sm);
  border-collapse: collapse;
}

.spec-table thead {
  background: rgba(13, 43, 82, 0.6);
}

.spec-table th {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4a8fd4;
  border-bottom: 1px solid rgba(36, 54, 80, 0.6);
  white-space: nowrap;
}

.spec-table td {
  padding: var(--space-4) var(--space-6);
  color: #c8d6e8;
  border-bottom: 1px solid rgba(36, 54, 80, 0.3);
  vertical-align: middle;
}

.spec-table tr:last-child td { border-bottom: none; }

.spec-table tbody tr:hover td {
  background: rgba(30, 95, 168, 0.06);
}

.spec-table td:first-child {
  font-weight: 600;
  color: #e2e8f0;
  white-space: nowrap;
}

/* --- WHY SPEL / ADVANTAGES --- */
.advantage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.advantage-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.advantage-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: rgba(74, 143, 212, 0.2);
  line-height: 1;
  flex-shrink: 0;
  min-width: 48px;
}

.advantage-content h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: #e2e8f0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.advantage-content p {
  font-size: var(--text-sm);
  color: #8fa3bc;
  line-height: 1.6;
}

/* --- SECTORS --- */
.sectors-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.sector-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: rgba(12, 22, 34, 0.9);
  border: 1px solid rgba(36, 54, 80, 0.7);
  color: #c8d6e8;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.sector-chip:hover {
  border-color: rgba(74, 143, 212, 0.5);
  color: #7dc0ff;
  background: rgba(30, 95, 168, 0.1);
}

.sector-chip svg { color: #4a8fd4; }

/* --- CTA BANNER --- */
.cta-banner {
  position: relative;
  background: linear-gradient(135deg, #0d2b52 0%, #1e5fa8 100%);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-banner-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.cta-banner h2 {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}

.cta-banner p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  margin: 0 auto var(--space-10);
}

/* --- CONTACT FORM --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(30, 95, 168, 0.12);
  border: 1px solid rgba(74, 143, 212, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4a8fd4;
}

.contact-info-item h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8fa3bc;
  margin-bottom: var(--space-2);
}

.contact-info-item p {
  font-size: var(--text-sm);
  color: #c8d6e8;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8fa3bc;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(12, 22, 34, 0.8);
  border: 1px solid rgba(36, 54, 80, 0.8);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: #e2e8f0;
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #4a6080;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(74, 143, 212, 0.6);
  box-shadow: 0 0 0 3px rgba(74, 143, 212, 0.1);
}

.form-group select option { background: #0c1622; }
.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-10);
  background: var(--color-cta);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  border: none;
  width: 100%;
  margin-top: var(--space-2);
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  box-shadow: 0 4px 16px rgba(200, 146, 42, 0.25);
}

.btn-submit:hover {
  background: var(--color-cta-hover);
  transform: translateY(-1px);
}

/* --- FOOTER --- */
.site-footer {
  background: #040911;
  border-top: 1px solid rgba(36, 54, 80, 0.5);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: #4a6080;
  margin-top: var(--space-4);
  max-width: 32ch;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8fa3bc;
  margin-bottom: var(--space-5);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }

.footer-col a {
  font-size: var(--text-sm);
  color: #4a6080;
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: #7dc0ff; }

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(36, 54, 80, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: #4a6080;
}

.footer-certifications {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-cert-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: #4a6080;
  letter-spacing: 0.06em;
}

/* --- PAGE HERO (interior pages) --- */
.page-hero {
  background: linear-gradient(135deg, #040911 0%, #0a1628 60%, #0d2044 100%);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-bottom: 1px solid rgba(36, 54, 80, 0.5);
}

.page-hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: var(--space-4);
}

.page-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-lg);
  color: #8fa3bc;
  max-width: 60ch;
}

/* --- BREADCRUMB --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: #4a6080;
  margin-bottom: var(--space-5);
}

.breadcrumb a { color: #4a6080; transition: color var(--transition-fast); }
.breadcrumb a:hover { color: #7dc0ff; }
.breadcrumb-sep { color: #243650; }

/* --- PRODUCT DETAIL SECTION --- */
.product-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-bottom: 1px solid rgba(36, 54, 80, 0.3);
}

.product-section:last-child { border-bottom: none; }

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.product-layout.reverse { direction: rtl; }
.product-layout.reverse > * { direction: ltr; }

.product-visual-block {
  background: linear-gradient(135deg, #080f1a 0%, #0d1e36 50%, #0a1628 100%);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-xl);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-visual-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 143, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 143, 212, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.product-text-block h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.product-series-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(200, 146, 42, 0.1);
  border: 1px solid rgba(200, 146, 42, 0.25);
  color: var(--color-cta);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.product-text-block p {
  font-size: var(--text-base);
  color: #8fa3bc;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.product-variant-list {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.variant-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(13, 43, 82, 0.4);
  border: 1px solid rgba(74, 143, 212, 0.25);
  color: #7dc0ff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
}

/* --- ABOUT PAGE --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-visual {
  background: linear-gradient(135deg, #080f1a 0%, #0d1e36 60%, #0a1628 100%);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-xl);
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 143, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 143, 212, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.value-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.value-card {
  background: rgba(12, 22, 34, 0.9);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.value-card h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: #e2e8f0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.value-card p {
  font-size: var(--text-sm);
  color: #8fa3bc;
}

/* --- FOUNDERS SECTION --- */
.section-header-centered {
  text-align: center;
  margin-bottom: var(--space-10);
}

.founders-grid-compact {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 720px;
  margin-inline: auto;
}

.founder-card-compact {
  background: rgba(12, 22, 34, 0.85);
  border: 1px solid rgba(36, 54, 80, 0.6);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: border-color var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-slow);
}

.founder-card-compact:hover {
  border-color: rgba(74, 143, 212, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(74, 143, 212, 0.05);
}

.founder-hud-avatar {
  width: 90px;
  height: 90px;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.founder-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.founder-info-compact {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.founder-name-compact {
  font-size: var(--text-lg);
  font-weight: 800;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.founder-role-compact {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-cta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- MOBILE RESPONSIVE --- */
@media (max-width: 768px) {
  .nav-links, .btn-nav-cta { display: none; }
  .hamburger { display: flex; }

  .mobile-nav {
    display: flex;
    position: fixed;
    inset: 0;
    top: 72px;
    background: rgba(4, 9, 17, 0.98);
    backdrop-filter: blur(16px);
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
  }

  .mobile-nav.open { transform: translateX(0); }

  .mobile-nav a {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: #c8d6e8;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--space-3) var(--space-8);
    transition: color var(--transition-fast);
  }

  .mobile-nav a:hover { color: #7dc0ff; }

  .hero-stats { flex-wrap: wrap; gap: var(--space-8); }

  .contact-grid,
  .about-grid,
  .product-layout,
  .product-layout.reverse { grid-template-columns: 1fr; direction: ltr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }

  .form-grid { grid-template-columns: 1fr; }

  .hero h1 { font-size: clamp(2rem, 8vw, 4rem); }

  .founders-grid-compact {
    grid-template-columns: 1fr;
    max-width: 380px;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .value-cards { grid-template-columns: 1fr; }
  .hero-stats { gap: var(--space-6); }
}

/* --- ANIMATIONS --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-in.delay-1 { animation-delay: 0.1s; }
.animate-in.delay-2 { animation-delay: 0.2s; }
.animate-in.delay-3 { animation-delay: 0.3s; }
.animate-in.delay-4 { animation-delay: 0.4s; }