/* ==========================================================================
   SOCIO MODERN B2B SAAS DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #070a12;
  --bg-secondary: #0d1322;
  --bg-tertiary: #131b2e;
  --bg-card: rgba(19, 27, 46, 0.7);
  --bg-card-hover: rgba(26, 38, 64, 0.85);
  --bg-glass: rgba(13, 19, 34, 0.75);
  
  /* Accent Colors */
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-glow: rgba(16, 185, 129, 0.25);
  --primary-subtle: rgba(16, 185, 129, 0.12);
  
  --secondary: #6366f1;
  --secondary-hover: #4f46e5;
  --secondary-glow: rgba(99, 102, 241, 0.25);
  --secondary-subtle: rgba(99, 102, 241, 0.12);

  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  /* Text Neutrals */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;
  
  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(16, 185, 129, 0.6);
  --border-glow: rgba(99, 102, 241, 0.35);

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #10b981 0%, #059669 50%, #4f46e5 100%);
  --grad-text: linear-gradient(135deg, #ffffff 20%, #cbd5e1 60%, #94a3b8 100%);
  --grad-accent: linear-gradient(135deg, #34d399 0%, #38bdf8 50%, #818cf8 100%);
  --grad-hero-bg: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.15) 0%, rgba(99, 102, 241, 0.1) 35%, rgba(7, 10, 18, 0) 70%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-glow-emerald: 0 0 35px -5px rgba(16, 185, 129, 0.3);
  --shadow-glow-indigo: 0 0 35px -5px rgba(99, 102, 241, 0.3);

  /* Layout & Spacing */
  --container-max: 1240px;
  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.text-gradient {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-emerald {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-emerald { color: var(--primary); }
.text-indigo { color: var(--secondary); }

/* ==========================================================================
   CONTAINER & LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-lg {
  padding: 8rem 0;
}

.section-sm {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.section-badge.badge-indigo {
  background: var(--secondary-subtle);
  border-color: rgba(99, 102, 241, 0.3);
  color: #818cf8;
}

.section-title {
  margin-bottom: 1.25rem;
}

.section-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* Grid Utilities */
.grid {
  display: grid;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ==========================================================================
   BACKGROUND GLOWS & NOISE EFFECTS
   ========================================================================== */
.bg-mesh {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  pointer-events: none;
}

.glow-orb-emerald {
  background: radial-gradient(circle, #10b981 0%, rgba(16, 185, 129, 0) 70%);
}

.glow-orb-indigo {
  background: radial-gradient(circle, #6366f1 0%, rgba(99, 102, 241, 0) 70%);
}

.glow-orb-cyan {
  background: radial-gradient(circle, #06b6d4 0%, rgba(6, 182, 212, 0) 70%);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 70%, transparent 100%);
  pointer-events: none;
}

/* ==========================================================================
   ANIMATIONS & TRANSITIONS
   ========================================================================== */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulseSubtle {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.03); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-float {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseSubtle 4s ease-in-out infinite;
}

/* Scroll reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 4.5rem 0; }
}

@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
  .section-header { margin-bottom: 2.5rem; }
}