/* ==========================================================================
   atSpark Website — "Data Constellation" Design System
   A premium dark-mode interface inspired by data visualization & cosmos
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Fonts
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   CSS Variables — Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors — Light & Airy Palette */
  --color-white: #ffffff;
  --color-snow: #fafbfc;
  --color-cloud: #f1f5f9;
  --color-mist: #e2e8f0;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

  /* Accent Colors — Vibrant & Fresh */
  --color-primary: #38BDF8;
  --color-primary-dark: #0EA5E9;
  --color-primary-light: #E0F2FE;
  --color-primary-dim: rgba(56, 189, 248, 0.1);
  --color-secondary: #8B5CF6;
  --color-secondary-dim: rgba(124, 58, 237, 0.08);
  --color-emerald: #059669;
  --color-emerald-dim: rgba(5, 150, 105, 0.08);
  --color-rose: #e11d48;
  --color-rose-dim: rgba(225, 29, 72, 0.08);
  --color-amber: #d97706;
  --color-amber-dim: rgba(217, 119, 6, 0.08);
  --color-teal: #0891b2;
  --color-teal-dim: rgba(8, 145, 178, 0.08);

  /* Text Colors */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-text-dim: #94a3b8;

  /* Gradients */
  --gradient-hero: linear-gradient(
    180deg,
    var(--color-white) 0%,
    var(--color-snow) 100%
  );
  --gradient-hero-accent:
    radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(0, 102, 255, 0.08),
      transparent
    ),
    radial-gradient(
      ellipse 60% 40% at 80% 60%,
      rgba(124, 58, 237, 0.05),
      transparent
    );
  --gradient-card: linear-gradient(
    135deg,
    var(--color-white) 0%,
    var(--color-snow) 100%
  );
  --gradient-primary: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  --gradient-subtle: linear-gradient(
    135deg,
    var(--color-primary-light) 0%,
    rgba(124, 58, 237, 0.08) 100%
  );

  /* Typography */
  --font-display: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Sora", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Space Mono", monospace;

  /* Shadows — Soft & Elegant */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-primary: 0 4px 14px rgba(0, 102, 255, 0.25);
  --shadow-card-hover:
    0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);

  /* Font Sizes — Fluid Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.775rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-2xl: clamp(1.375rem, 1.2rem + 0.9vw, 1.5rem);
  --text-3xl: clamp(1.75rem, 1.5rem + 1.25vw, 2rem);
  --text-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 3rem);
  --text-5xl: clamp(2.75rem, 2rem + 3.75vw, 4rem);
  --text-6xl: clamp(3.5rem, 2.5rem + 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;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out-quint: cubic-bezier(0.83, 0, 0.17, 1);
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-base: 250ms var(--ease-out-expo);
  --transition-slow: 400ms var(--ease-out-expo);
  --transition-slower: 600ms var(--ease-out-expo);

  /* Layout */
  --nav-height: 80px;
  --container-max: 1280px;
  --container-narrow: 880px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  overflow-x: hidden;
}

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

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

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

ul,
ol {
  list-style: none;
}

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

/* --------------------------------------------------------------------------
   Layout & Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.35);
}

.btn-outline {
  background: var(--color-white);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

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

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 10;
}

.logo-icon {
  position: relative;
}

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

.wm {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

.wm .at {
  color: var(--color-primary);
}

.wm-dk {
  color: var(--color-white);
}

.wm-lt {
  color: var(--color-text-primary);
}

.tl {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}

.tl-dk {
  color: rgba(255, 255, 255, 0.7);
}

.tl-lt {
  color: var(--color-text-muted);
}

/* Float Animation */
@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-6px) rotate(2deg);
  }
}

.float {
  animation: float 4s ease-in-out infinite;
  display: flex;
  align-items: center;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  z-index: 10;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  background: var(--gradient-hero);
  overflow: hidden;
}

/* Hero Background Effects */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-accent);
  pointer-events: none;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-mist) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-mist) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
  opacity: 0.5;
  pointer-events: none;
}

.hero-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

.hero-glow-orb.cyan {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: rgba(0, 102, 255, 0.08);
}

.hero-glow-orb.purple {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -100px;
  background: rgba(124, 58, 237, 0.06);
  animation-delay: -4s;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

/* Hero Content */
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-title .line {
  display: block;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

/* Hero Visual - Dashboard Preview */
.hero-image {
  position: relative;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s both;
}

.dashboard-preview {
  position: relative;
  background: var(--color-text-primary);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.dashboard-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-dots {
  display: flex;
  gap: 8px;
}

.dashboard-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dashboard-dots span:nth-child(1) {
  background: #ff5f57;
}
.dashboard-dots span:nth-child(2) {
  background: #ffbd2e;
}
.dashboard-dots span:nth-child(3) {
  background: #28ca42;
}

.dashboard-title {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.dashboard-content {
  padding: var(--space-5);
}

.dashboard-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.metric-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: all var(--transition-base);
}

.metric-card:hover {
  background: rgba(255, 255, 255, 0.08);
}

.metric-card.highlight {
  background: rgba(0, 102, 255, 0.2);
  border-color: rgba(0, 102, 255, 0.3);
}

.metric-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-white);
}

.metric-trend {
  font-size: var(--text-xs);
  font-weight: 600;
}

.metric-trend.positive {
  color: #34d399;
}
.metric-trend.negative {
  color: #f87171;
}

.chart-area {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  height: 140px;
}

.line-chart {
  width: 100%;
  height: 100%;
}

/* --------------------------------------------------------------------------
   Integrations Marquee
   -------------------------------------------------------------------------- */
.integrations-marquee {
  padding: var(--space-16) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.marquee-label {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  letter-spacing: 0.02em;
}

.marquee-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(
    90deg,
    transparent,
    black 15%,
    black 85%,
    transparent
  );
}

.marquee-track {
  display: flex;
  gap: var(--space-6);
  animation: marquee 40s linear infinite;
  width: max-content;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.integration-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.integration-logo:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.integration-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.integration-logo span {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Stats Section
   -------------------------------------------------------------------------- */
.stats-section {
  padding: var(--space-20) 0;
  background: var(--color-text-primary);
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  position: relative;
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  position: relative;
}

.stat-item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
  padding: var(--space-24) 0;
  background: var(--color-white);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  overflow: hidden;
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

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

.feature-icon.blue {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

.feature-icon.purple {
  background: var(--color-secondary-dim);
  color: var(--color-secondary);
}

.feature-icon.green {
  background: var(--color-emerald-dim);
  color: var(--color-emerald);
}

.feature-icon.orange {
  background: var(--color-amber-dim);
  color: var(--color-amber);
}

.feature-icon.red {
  background: var(--color-rose-dim);
  color: var(--color-rose);
}

.feature-icon.teal {
  background: var(--color-teal-dim);
  color: var(--color-teal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.feature-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Integrations Section
   -------------------------------------------------------------------------- */
.integrations {
  padding: var(--space-24) 0;
  background: var(--color-snow);
  position: relative;
}

.integration-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
}

.integration-text .section-badge {
  margin-bottom: var(--space-4);
}

.integration-text .section-title {
  text-align: left;
  margin-bottom: var(--space-4);
}

.integration-text .section-subtitle {
  text-align: left;
  margin-bottom: var(--space-8);
}

.integration-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.category {
  padding: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.category:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-sm);
}

.category h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.category p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.integration-visual {
  display: flex;
  justify-content: center;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.int-card {
  width: 130px;
  height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

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

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

.int-card span {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.int-card.center {
  background: var(--gradient-primary);
  border-color: transparent;
}

.int-card.center span {
  color: var(--color-white);
}

.int-center-logo {
  width: 48px;
  height: 48px;
}

/* --------------------------------------------------------------------------
   Use Cases Section
   -------------------------------------------------------------------------- */
.use-cases {
  padding: var(--space-24) 0;
  background: var(--color-white);
  position: relative;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.use-case-card {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.use-case-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.use-case-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.use-case-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.use-case-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Enterprise / Security Section
   -------------------------------------------------------------------------- */
.enterprise {
  padding: var(--space-24) 0;
  background: var(--color-snow);
  position: relative;
}

.enterprise-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
}

.enterprise-text .section-badge {
  margin-bottom: var(--space-4);
}

.enterprise-text .section-title {
  text-align: left;
  margin-bottom: var(--space-8);
}

.enterprise-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.enterprise-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-mist);
}

.enterprise-features li:last-child {
  border-bottom: none;
}

.enterprise-features svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-emerald);
  margin-top: 2px;
}

.enterprise-visual {
  display: flex;
  justify-content: center;
}

.security-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-12);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.shield-icon {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-emerald-dim);
  border-radius: 50%;
  color: var(--color-emerald);
}

.shield-icon svg {
  width: 56px;
  height: 56px;
}

.security-badge > span {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Waitlist / CTA Section
   -------------------------------------------------------------------------- */
.waitlist-section {
  padding: var(--space-24) 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.waitlist-content {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-16);
}

.waitlist-section .section-badge {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.waitlist-section .section-title {
  color: var(--color-white);
}

.waitlist-section .section-subtitle {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
}

.waitlist-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.waitlist-section .btn-primary:hover {
  box-shadow: var(--shadow-xl);
}

.waitlist-form {
  margin-top: var(--space-6);
}

.form-note {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-text-primary);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.footer ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image {
    display: none;
  }

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

  .integration-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .integration-text .section-title,
  .integration-text .section-subtitle {
    text-align: center;
  }

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

  .enterprise-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .enterprise-text .section-title {
    text-align: center;
  }

  .enterprise-features {
    max-width: 500px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .nav-links,
  .nav-buttons {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--space-8);
    gap: var(--space-6);
    border-top: 1px solid var(--color-border);
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .nav-links.active a {
    font-size: var(--text-xl);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

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

  .stat-item::after {
    display: none;
  }

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

  .integration-categories {
    grid-template-columns: 1fr;
  }

  .integration-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }

  .int-card {
    width: 100%;
    height: 80px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-8));
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-badge {
    font-size: 10px;
  }

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

  .stat-number {
    font-size: var(--text-3xl);
  }

  .section-title {
    font-size: var(--text-3xl);
  }

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

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

/* Animation Utilities */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s var(--ease-out-expo),
    transform 0.6s var(--ease-out-expo);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
[data-animate-delay="1"] {
  transition-delay: 0.1s;
}
[data-animate-delay="2"] {
  transition-delay: 0.2s;
}
[data-animate-delay="3"] {
  transition-delay: 0.3s;
}
[data-animate-delay="4"] {
  transition-delay: 0.4s;
}
[data-animate-delay="5"] {
  transition-delay: 0.5s;
}