/* ============================================
   Vorexia — Premium AI Brand Stylesheet
   ============================================ */

:root {
  /* Brand palette */
  --color-bg: #06080f;
  --color-bg-elevated: #0c1019;
  --color-bg-card: rgba(14, 20, 35, 0.7);
  --color-surface: rgba(255, 255, 255, 0.03);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.16);

  --color-text: #e8ecf4;
  --color-text-muted: #8b95a8;
  --color-text-subtle: #5c6578;

  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-accent: #06b6d4;
  --color-accent-glow: rgba(99, 102, 241, 0.4);
  --color-cyan-glow: rgba(6, 182, 212, 0.3);

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #818cf8 100%);
  --gradient-text: linear-gradient(135deg, #a5b4fc 0%, #67e8f9 50%, #c4b5fd 100%);
  --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 350ms;
  --duration-slow: 600ms;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

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

ul {
  list-style: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 10000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   Background Canvas
   ============================================ */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 10% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 20%, transparent 70%);
}

.floating-shapes .shape {
  position: absolute;
  border-radius: var(--radius-full);
  opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: -5%;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  top: 60%;
  right: -3%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  animation-delay: -5s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  top: 30%;
  right: 20%;
  background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
  animation-delay: -10s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 15%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  animation-delay: -15s;
}

.shape-5 {
  width: 80px;
  height: 80px;
  top: 15%;
  left: 40%;
  border: 1px solid rgba(99, 102, 241, 0.3);
  background: transparent;
  animation-delay: -8s;
}

.bg-glow {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  top: -10%;
  left: 30%;
  background: var(--color-accent-glow);
  animation: pulse-glow 8s ease-in-out infinite;
}

.bg-glow-2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  right: 20%;
  background: var(--color-cyan-glow);
  animation: pulse-glow 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -30px) rotate(5deg); }
  50% { transform: translate(-10px, 20px) rotate(-3deg); }
  75% { transform: translate(15px, 10px) rotate(2deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

/* ============================================
   Header
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(6, 8, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-normal), border-color var(--duration-normal);
}

.site-header.scrolled {
  background: rgba(6, 8, 15, 0.95);
  border-color: var(--color-border-hover);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.logo {
  flex-shrink: 0;
  transition: opacity var(--duration-fast);
}

.logo:hover {
  opacity: 0.85;
}

.logo:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.main-nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-text);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  width: 100%;
}

.header-cta {
  display: none;
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-normal), opacity var(--duration-normal);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.mobile-nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(6, 8, 15, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav a {
  display: block;
  padding: var(--space-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  background: var(--color-surface);
  color: var(--color-text);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal),
    background var(--duration-normal),
    border-color var(--duration-normal),
    color var(--duration-normal);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-hover);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-primary-light);
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

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

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.375rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.hero-visual {
  perspective: 1000px;
}

.hero-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: blur(20px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transform: rotateX(5deg);
  transition: transform var(--duration-slow) var(--ease-out);
}

.hero-card:hover {
  transform: rotateX(0deg) translateY(-4px);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 48px;
  margin-bottom: var(--space-sm);
}

.waveform span {
  width: 4px;
  height: 20px;
  background: var(--gradient-brand);
  border-radius: 2px;
  animation: waveform 1.2s ease-in-out infinite;
}

.waveform span:nth-child(1) { animation-delay: 0s; }
.waveform span:nth-child(2) { animation-delay: 0.1s; }
.waveform span:nth-child(3) { animation-delay: 0.2s; }
.waveform span:nth-child(4) { animation-delay: 0.3s; }
.waveform span:nth-child(5) { animation-delay: 0.4s; }
.waveform span:nth-child(6) { animation-delay: 0.5s; }
.waveform span:nth-child(7) { animation-delay: 0.6s; }
.waveform span:nth-child(8) { animation-delay: 0.7s; }
.waveform span:nth-child(9) { animation-delay: 0.8s; }
.waveform span:nth-child(10) { animation-delay: 0.9s; }

@keyframes waveform {
  0%, 100% { height: 12px; opacity: 0.5; }
  50% { height: 40px; opacity: 1; }
}

.hero-card-text {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: var(--space-2xl) 0;
}

.section-label {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-xl);
}

/* ============================================
   Stats
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal),
    box-shadow var(--duration-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ============================================
   Features
   ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal),
    box-shadow var(--duration-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 16px 48px rgba(99, 102, 241, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.12);
  border-radius: var(--radius-md);
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
  transition: background var(--duration-normal), transform var(--duration-normal);
}

.feature-card:hover .feature-icon {
  background: rgba(99, 102, 241, 0.2);
  transform: scale(1.05);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  line-height: 1.65;
}

/* ============================================
   Solutions
   ============================================ */
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  padding: 4px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition:
    background var(--duration-normal),
    color var(--duration-normal),
    box-shadow var(--duration-normal);
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

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

.solution-card {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal),
    background var(--duration-normal);
}

.solution-card:hover {
  transform: translateX(6px);
  background: rgba(99, 102, 241, 0.05);
  border-left-color: var(--color-accent);
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.solution-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.tab-panel[hidden] {
  display: none;
}

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

.about-content .section-tag {
  display: block;
  text-align: left;
}

.about-content .section-title {
  text-align: left;
}

.about-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.75;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
}

.orbit-system {
  position: relative;
  width: 260px;
  height: 260px;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  box-shadow: 0 0 40px var(--color-accent-glow);
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
}

.orbit-ring span {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.orbit-ring-1 {
  width: 120px;
  height: 120px;
  animation: orbit 8s linear infinite;
}

.orbit-ring-1 span {
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-ring-2 {
  width: 180px;
  height: 180px;
  animation: orbit 12s linear infinite reverse;
}

.orbit-ring-2 span:nth-child(1) {
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
}

.orbit-ring-2 span:nth-child(2) {
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-ring-3 {
  width: 240px;
  height: 240px;
  animation: orbit 16s linear infinite;
}

.orbit-ring-3 span:nth-child(1) {
  top: 10%;
  left: -5px;
}

.orbit-ring-3 span:nth-child(2) {
  top: 10%;
  right: -5px;
}

.orbit-ring-3 span:nth-child(3) {
  bottom: -5px;
  left: 30%;
}

@keyframes orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner-inner {
  text-align: center;
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
}

.cta-banner-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.cta-banner-inner p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
  background: rgba(6, 8, 15, 0.6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.footer-logo {
  margin: 0 auto var(--space-sm);
  opacity: 0.9;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.footer-email {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary-light);
  transition: color var(--duration-fast);
}

.footer-email:hover,
.footer-email:focus-visible {
  color: var(--color-accent);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
  padding: 0.25rem;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--color-text);
}

.footer-link:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* ============================================
   Modal
   ============================================ */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  pointer-events: none;
  visibility: hidden;
}

.modal-root.is-open {
  pointer-events: auto;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.modal-root.is-open .modal-backdrop {
  opacity: 1;
}

.modal-dialog {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-spring);
}

.modal-root.is-open .modal-dialog {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.modal-close:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.modal-close:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  padding-right: var(--space-xl);
}

.modal-body {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.modal-body p {
  margin-bottom: var(--space-sm);
}

.modal-body ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin: var(--space-sm) 0;
}

.modal-body li {
  margin-bottom: 0.375rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
}

/* ============================================
   Scroll Reveal
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }
.reveal:nth-child(5) { transition-delay: 320ms; }

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .floating-shapes .shape,
  .bg-glow,
  .orbit-ring,
  .waveform span,
  .badge-dot,
  .pulse-indicator {
    animation: none !important;
  }

  .hero-card {
    transform: none;
  }

  .modal-dialog {
    transition: none;
  }
}

/* ============================================
   Responsive — Tablet
   ============================================ */
@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    text-align: left;
    align-items: start;
  }

  .footer-logo {
    margin: 0 0 var(--space-sm);
  }

  .footer-nav ul {
    justify-content: flex-end;
  }

  .footer-copy {
    grid-column: 1 / -1;
    text-align: center;
  }
}

/* ============================================
   Responsive — Desktop
   ============================================ */
@media (min-width: 768px) {
  .main-nav {
    display: block;
  }

  .header-cta {
    display: inline-flex;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }

  .about-inner {
    grid-template-columns: 1fr 1fr;
  }

  .about-content .section-tag,
  .about-content .section-title {
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-inner {
    max-width: 960px;
  }
}