/* ============================================================
   ARKUM TECH — DESIGN SYSTEM
   Master stylesheet: tokens, base, components, animations
   ------------------------------------------------------------
   Architecture:
   1. Design Tokens (CSS custom properties)
   2. Base & Reset
   3. Typography
   4. Components (buttons, cards, sections, nav)
   5. Animations & Effects
   6. Utilities
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand Colors — sampled from logo */
  --color-deep-navy: #0A1628;
  --color-midnight: #0F1E36;
  --color-steel: #1B3A6B;
  --color-brand-blue: #1E5BA8;
  --color-electric-cyan: #2DD4F0;
  --color-ice-cyan: #67E8F9;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-slate-100: #E2E8F0;
  --color-slate-300: #CBD5E1;
  --color-slate-400: #94A3B8;
  --color-slate-500: #64748B;
  --color-slate-600: #475569;
  --color-slate-800: #1E293B;
  --color-slate-900: #0F172A;

  /* Functional */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Surfaces */
  --surface-page: var(--color-deep-navy);
  --surface-section: var(--color-midnight);
  --surface-card: rgba(27, 58, 107, 0.25);
  --surface-card-hover: rgba(27, 58, 107, 0.4);

  /* Borders */
  --border-subtle: rgba(45, 212, 240, 0.08);
  --border-default: rgba(45, 212, 240, 0.15);
  --border-strong: rgba(45, 212, 240, 0.4);

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #1E5BA8 0%, #2DD4F0 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(30, 91, 168, 0.15) 0%, rgba(45, 212, 240, 0.15) 100%);
  --grad-hero-radial: radial-gradient(ellipse at top, #0F1E36 0%, #0A1628 60%);
  --grad-text: linear-gradient(135deg, #67E8F9 0%, #2DD4F0 50%, #1E5BA8 100%);

  /* Glows */
  --glow-cyan-sm: 0 0 12px rgba(45, 212, 240, 0.25);
  --glow-cyan-md: 0 0 24px rgba(45, 212, 240, 0.35);
  --glow-cyan-lg: 0 0 48px rgba(45, 212, 240, 0.45);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 32px rgba(45, 212, 240, 0.15);
  --shadow-cta: 0 8px 32px rgba(30, 91, 168, 0.4);

  /* Spacing scale (8px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 300ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);

  /* Layout */
  --container-max: 1280px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.625;
  color: var(--color-slate-100);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-deep-navy);
}
::-webkit-scrollbar-thumb {
  background: var(--color-steel);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-brand-blue);
}

/* Selection */
::selection {
  background: var(--color-electric-cyan);
  color: var(--color-deep-navy);
}

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

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

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

/* Focus ring — accessibility */
:focus-visible {
  outline: 2px solid var(--color-electric-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6, .display {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.text-hero {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.text-h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
}

.text-h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
}

.text-h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
}

.text-h4 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}

.text-lead {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: var(--color-slate-300);
}

.text-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-slate-300);
}

.text-caption {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-slate-400);
}

/* Mono micro-label — section tags */
.text-label {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-electric-cyan);
}

.text-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Gradient text */
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   4. LAYOUT PRIMITIVES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-6); }
}

.section {
  padding: var(--space-9) 0;
  position: relative;
}

@media (min-width: 768px) {
  .section { padding: var(--space-10) 0; }
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-8);
}

.section-header.align-left {
  text-align: left;
  margin-left: 0;
}

/* Cyan underline accent — appears under section labels */
.accent-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.accent-line::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

.accent-line::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-electric-cyan);
  border-radius: 50%;
  box-shadow: var(--glow-cyan-sm);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-cta);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2DD4F0 0%, #1E5BA8 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-cta), var(--glow-cyan-md);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary > * {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--color-electric-cyan);
  border: 1px solid var(--color-electric-cyan);
}

.btn-secondary:hover {
  background: rgba(45, 212, 240, 0.1);
  box-shadow: var(--glow-cyan-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-slate-300);
  padding: 12px 16px;
}

.btn-ghost:hover {
  color: var(--color-white);
}

.btn-ghost .btn-arrow {
  transition: transform var(--transition-fast);
}

.btn-ghost:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1rem;
}

/* ============================================================
   6. CARDS
   ============================================================ */
.card {
  position: relative;
  background: var(--surface-section);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card::before {
  /* corner accent — top-right bracket */
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  border-top: 2px solid transparent;
  border-right: 2px solid transparent;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--color-midnight);
  box-shadow: var(--shadow-card-hover);
}

.card:hover::before {
  border-top-color: var(--color-electric-cyan);
  border-right-color: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

/* Hex icon container — standardized service icon wrap */
.hex-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--grad-brand-soft);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  position: relative;
  transition: all var(--transition-base);
}

.hex-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-electric-cyan);
}

.card:hover .hex-icon {
  background: var(--grad-brand);
  border-color: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

.card:hover .hex-icon svg {
  color: var(--color-white);
}

/* ============================================================
   7. NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .navbar-inner { padding: 0 var(--space-6); }
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.navbar-logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.navbar-logo .logo-accent {
  color: var(--color-electric-cyan);
  font-weight: 500;
  margin-left: 4px;
}

.navbar-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .navbar-links { display: flex; }
}

.navbar-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-slate-300);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-white);
}

.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

.navbar-cta {
  display: none;
}

@media (min-width: 1024px) {
  .navbar-cta { display: inline-flex; }
}

/* Mobile menu toggle */
.navbar-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .navbar-toggle { display: none; }
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

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

/* Mobile menu panel */
.navbar-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-deep-navy);
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-5);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 99;
}

.navbar-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.navbar-mobile a {
  display: block;
  padding: var(--space-3) 0;
  color: var(--color-slate-100);
  font-weight: 500;
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-mobile a:last-of-type {
  border-bottom: none;
}

.navbar-mobile .btn {
  margin-top: var(--space-4);
  width: 100%;
}

/* ============================================================
   8. HERO BACKGROUND — animated hex grid
   ============================================================ */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero-bg::before {
  /* radial gradient overlay */
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(30, 91, 168, 0.25) 0%, transparent 60%);
  z-index: 1;
}

.hero-bg::after {
  /* bottom fade-out */
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--surface-page));
  z-index: 2;
}

.hex-grid {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(45, 212, 240, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 240, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: orb-float 12s ease-in-out infinite;
}

.orb-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--color-brand-blue), transparent 70%);
  top: -100px;
  left: -100px;
}

.orb-2 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, var(--color-electric-cyan), transparent 70%);
  bottom: -80px;
  right: -80px;
  animation-delay: -6s;
  opacity: 0.25;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.05); }
}

/* ============================================================
   9. FORMS
   ============================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-slate-300);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-deep-navy);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
  background: var(--color-midnight);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-slate-500);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.form-error {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: var(--color-danger);
  min-height: 20px;
}

.form-input.invalid,
.form-textarea.invalid,
.form-select.invalid {
  border-color: var(--color-danger);
}

/* ============================================================
   10. ANIMATIONS — scroll reveal & utility
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

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

/* staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45, 212, 240, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(45, 212, 240, 0); }
}

.pulse-dot {
  animation: pulse-glow 2.4s ease-out infinite;
}

@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal, .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   11. WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  color: white;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid #25D366;
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ============================================================
   12. UTILITY CLASSES
   ============================================================ */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: var(--space-6) 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(45, 212, 240, 0.08);
  border: 1px solid var(--border-default);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-electric-cyan);
  letter-spacing: 0.02em;
}

.tag-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-electric-cyan);
  border-radius: 50%;
  box-shadow: var(--glow-cyan-sm);
}

/* CTA Band — gradient panel used across pages */
.cta-band {
  position: relative;
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(135deg, var(--color-midnight) 0%, var(--color-steel) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-default);
  text-align: center;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(45, 212, 240, 0.15), transparent 50%);
  pointer-events: none;
}

.cta-band > * { position: relative; z-index: 1; }

@media (min-width: 768px) {
  .cta-band { padding: var(--space-9) var(--space-8); }
}

/* Footer */
.footer {
  background: var(--color-deep-navy);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-8) 0 var(--space-5);
  margin-top: var(--space-9);
}

.footer-grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-7);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-3);
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--color-slate-400);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-electric-cyan);
}

.footer-bottom {
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
}

/* Page hero — smaller hero used on inner pages */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-8)) 0 var(--space-8);
  text-align: center;
  overflow: hidden;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--color-slate-400);
  margin-bottom: var(--space-4);
  justify-content: center;
}

.breadcrumb a:hover { color: var(--color-electric-cyan); }
.breadcrumb-sep { color: var(--color-slate-600); }

/* Stat counter */
.stat-block {
  text-align: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ============================================================
   13. HOME PAGE — HERO ILLUSTRATION
   ============================================================ */
.hero-illustration {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 540px;
  margin: 0 auto;
}

.hero-illustration svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Animated nodes */
.node-pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: node-pulse 3s ease-in-out infinite;
}

.node-pulse-2 { animation-delay: 0.6s; }
.node-pulse-3 { animation-delay: 1.2s; }
.node-pulse-4 { animation-delay: 1.8s; }

@keyframes node-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* Animated connection lines */
.line-flow {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: line-flow 4s linear infinite;
}

.line-flow-2 { animation-delay: 1s; }
.line-flow-3 { animation-delay: 2s; }

@keyframes line-flow {
  to { stroke-dashoffset: -200; }
}

/* Center hex rotation */
.hex-rotate {
  transform-origin: center;
  transform-box: fill-box;
  animation: hex-rotate 30s linear infinite;
}

@keyframes hex-rotate {
  to { transform: rotate(360deg); }
}

/* ============================================================
   14. STATS GRID
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  padding: var(--space-6) var(--space-5);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    padding: var(--space-7) var(--space-6);
  }
}

.stats-grid .stat-block {
  position: relative;
}

.stats-grid .stat-block:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -12px;
  bottom: 20%;
  width: 1px;
  background: var(--border-subtle);
  display: none;
}

@media (min-width: 768px) {
  .stats-grid .stat-block:not(:last-child)::after { display: block; }
  .stats-grid .stat-block:nth-child(2)::after { display: block; }
}

/* ============================================================
   15. SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  display: block;
  height: 100%;
}

.service-card .card-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.service-card:hover .card-arrow svg {
  transform: translateX(4px);
}

/* ============================================================
   16. WHY US — split layout
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: start;
}

@media (min-width: 1024px) {
  .why-grid { grid-template-columns: 1fr 1.2fr; gap: var(--space-8); }
}

.why-features {
  display: grid;
  gap: var(--space-4);
}

.why-feature {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.why-feature:hover {
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.why-feature .hex-icon {
  margin-bottom: 0;
  width: 56px;
  height: 56px;
}

.why-feature h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.why-feature p {
  font-size: 0.9375rem;
  color: var(--color-slate-400);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   17. CAPABILITIES MARQUEE
   ============================================================ */
.marquee {
  position: relative;
  overflow: hidden;
  padding: var(--space-4) 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-3);
  animation: marquee 40s linear infinite;
  width: max-content;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

.marquee .tag {
  font-size: 0.875rem;
  padding: 8px 16px;
  white-space: nowrap;
}

/* ============================================================
   18. FEATURE ROWS — service details
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}

.feature-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-slate-100);
  transition: all var(--transition-fast);
  align-items: center;
}

.feature-row:hover {
  border-color: var(--border-strong);
  background: rgba(45, 212, 240, 0.04);
}

.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--grad-brand);
  border-radius: 50%;
  color: var(--color-white);
  flex-shrink: 0;
}

/* ============================================================
   19. HERO LAYOUT
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + var(--space-7)) 0 var(--space-8);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-8);
  }
}

.hero-content { max-width: 640px; }

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.hero-trustline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-slate-400);
}

.hero-trustline strong {
  color: var(--color-white);
  font-weight: 600;
}

.trust-divider {
  width: 4px;
  height: 4px;
  background: var(--color-slate-600);
  border-radius: 50%;
}

/* ============================================================
   20. ABOUT — process steps
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  position: relative;
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
  }
  .process-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, var(--color-electric-cyan), transparent, var(--color-electric-cyan));
    opacity: 0.3;
    z-index: 0;
  }
}

.process-step {
  position: relative;
  text-align: center;
  padding: var(--space-5) var(--space-4);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  z-index: 1;
  transition: all var(--transition-base);
}

.process-step:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.process-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  background: var(--surface-page);
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

.process-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-slate-400);
  line-height: 1.5;
}

/* ============================================================
   21. ABOUT — mission/vision split cards
   ============================================================ */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .mv-grid { grid-template-columns: 1fr 1fr; }
}

.mv-card {
  position: relative;
  padding: var(--space-7);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.mv-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.mv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-electric-cyan), transparent);
  opacity: 0.5;
}

.mv-card .mv-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
}

.mv-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.mv-card p {
  color: var(--color-slate-300);
  line-height: 1.7;
}

/* Pillars section */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .pillars-grid { grid-template-columns: repeat(3, 1fr); }
}

.pillar {
  padding: var(--space-6);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.pillar:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.pillar-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-slate-500);
  margin-bottom: var(--space-3);
  display: block;
}

.pillar h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.pillar p {
  font-size: 0.9375rem;
  color: var(--color-slate-400);
  line-height: 1.6;
}

/* About content split */
.about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 1024px) {
  .about-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

.about-visual {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 480px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-midnight);
  border: 1px solid var(--border-default);
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(45,212,240,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(45,212,240,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.about-visual svg { position: relative; z-index: 1; width: 100%; height: 100%; }

/* Service detail page tweaks */
.service-detail-hero .hex-icon {
  width: 80px;
  height: 80px;
}

.service-detail-hero .hex-icon svg {
  width: 36px;
  height: 36px;
}

/* ============================================================
   22. PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1280px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card { padding: var(--space-5); }

/* Filter chips */
.filter-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-7);
}

.filter-chip {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-300);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--color-electric-cyan);
  color: var(--color-electric-cyan);
}

.filter-chip.active {
  background: rgba(45, 212, 240, 0.1);
  border-color: var(--color-electric-cyan);
  color: var(--color-electric-cyan);
  box-shadow: var(--glow-cyan-sm);
}

/* ============================================================
   23. CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}

@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1.4fr 1fr; gap: var(--space-8); }
}

.contact-form-wrap {
  padding: var(--space-7);
  background: var(--color-midnight);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-electric-cyan), transparent);
  opacity: 0.6;
}

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

@media (min-width: 768px) {
  .form-row.two-col { grid-template-columns: 1fr 1fr; }
}

/* Contact info cards */
.contact-info {
  display: grid;
  gap: var(--space-3);
}

.contact-info-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-5);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.contact-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--grad-brand-soft);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--color-electric-cyan);
  transition: all var(--transition-base);
}

.contact-info-card:hover .contact-info-icon {
  background: var(--grad-brand);
  color: var(--color-white);
  border-color: var(--color-electric-cyan);
}

.contact-info-card .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-slate-400);
  margin-bottom: 4px;
  display: block;
}

.contact-info-card .value {
  font-size: 0.9375rem;
  color: var(--color-white);
  font-weight: 500;
}

.contact-info-card a.value:hover {
  color: var(--color-electric-cyan);
}

/* Form success/error states */
.form-status {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  display: none;
  align-items: center;
  gap: var(--space-3);
}

.form-status.show { display: flex; }

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

/* Hours card */
.hours-card {
  padding: var(--space-5);
  background: var(--color-midnight);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.hours-card h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-electric-cyan);
  margin-bottom: var(--space-4);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.875rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.hours-row:last-child { border-bottom: none; }
.hours-row .day { color: var(--color-slate-400); }
.hours-row .time { color: var(--color-white); font-weight: 500; }