/* ==========================================================================
   SMART OPTIONS — DESIGN SYSTEM TOKENS & CORE STYLES
   Inspired by elite tech studios: modullify.ai, flow.com, motionin.design
   Palette: Dark Obsidian Navy (#050816), Royal Cyber Blue (#0066CC), Luxury Gold (#E5A93C)
   ========================================================================== */

:root {
  /* Surface & Canvas Tokens */
  --bg-deep: #050816;
  --bg-surface: #07111F;
  --bg-card: #0A1628;
  --bg-card-hover: #0E1F38;
  --bg-elevated: #11223F;
  --bg-glass: rgba(7, 17, 31, 0.76);
  --bg-glass-card: rgba(10, 22, 40, 0.68);
  --bg-glass-heavy: rgba(5, 8, 22, 0.92);

  /* Brand Colors (Exact match with official SMART OPTIONS logo) */
  --so-blue: #0066CC;
  --so-blue-light: #2A8BF2;
  --so-blue-dark: #004C99;
  --so-blue-glow: rgba(0, 102, 204, 0.45);
  --so-blue-subtle: rgba(0, 102, 204, 0.12);

  --so-gold: #E5A93C;
  --so-gold-warm: #D48324;
  --so-gold-light: #F7D488;
  --so-gold-dark: #A86010;
  --so-gold-glow: rgba(229, 169, 60, 0.4);
  --so-gold-subtle: rgba(229, 169, 60, 0.12);

  /* Neutral Text Tokens */
  --text-primary: #F0F4FC;
  --text-secondary: #9DB0C9;
  --text-muted: #627999;
  --text-dim: #43556D;
  --text-inverted: #050816;

  /* Border Tokens */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-hover: rgba(255, 255, 255, 0.28);
  --border-blue: rgba(0, 102, 204, 0.38);
  --border-gold: rgba(229, 169, 60, 0.42);

  /* Status Tokens */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #3B82F6;

  /* Typography Fonts */
  --font-display: "Space Grotesk", "Segoe UI", -apple-system, system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", -apple-system, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 50px -15px rgba(0, 0, 0, 0.8);
  --shadow-glow-blue: 0 0 40px -10px var(--so-blue-glow);
  --shadow-glow-gold: 0 0 35px -8px var(--so-gold-glow);

  /* Layout */
  --container-max: 1240px;
  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.65;
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: #192D4A;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--so-blue);
}

/* Headings & Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.6rem, 5.8vw, 4.8rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-size: 1.025rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

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

/* Core Container */
.container {
  width: min(var(--container-max), 100% - 48px);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container-max), 100% - 32px);
  }
}

/* Global Subtle Mesh Background Gradients */
.bg-ambient-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.mesh-sphere-1 {
  position: absolute;
  width: 700px;
  height: 700px;
  top: -200px;
  left: 15%;
  background: radial-gradient(circle, rgba(0, 102, 204, 0.18) 0%, rgba(5, 8, 22, 0) 70%);
  filter: blur(80px);
  opacity: 0.8;
  animation: floatOrb 22s ease-in-out infinite alternate;
}

.mesh-sphere-2 {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 35%;
  right: -100px;
  background: radial-gradient(circle, rgba(229, 169, 60, 0.12) 0%, rgba(5, 8, 22, 0) 70%);
  filter: blur(90px);
  opacity: 0.7;
  animation: floatOrb 28s ease-in-out infinite alternate-reverse;
}

.mesh-grid-pattern {
  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;
  opacity: 0.65;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.08); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: fit-content;
}

.badge-gold {
  background: rgba(229, 169, 60, 0.1);
  border: 1px solid rgba(229, 169, 60, 0.35);
  color: var(--so-gold);
}

.badge-blue {
  background: rgba(0, 102, 204, 0.12);
  border: 1px solid rgba(0, 102, 204, 0.35);
  color: var(--so-blue-light);
}

.badge-neutral {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--so-blue-light) 0%, var(--so-blue) 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px -6px var(--so-blue-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(0, 102, 204, 0.6);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-gold {
  background: linear-gradient(135deg, var(--so-gold-light) 0%, var(--so-gold) 50%, var(--so-gold-warm) 100%);
  color: #171003;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 24px -6px var(--so-gold-glow);
  font-weight: 700;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(229, 169, 60, 0.7);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--so-gold);
  border: 1px solid var(--border-gold);
}

.btn-outline-gold:hover {
  background: var(--so-gold-subtle);
  border-color: var(--so-gold);
  color: #FFFFFF;
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 0.85rem;
}

.btn-lg {
  min-height: 56px;
  padding: 0 32px;
  font-size: 1.05rem;
}

/* Glass Card System */
.card-glass {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: var(--shadow-md);
  transition: all 0.3s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card-glass:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 25px -8px var(--so-blue-glow);
}

.card-glass-gold:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-lg), 0 0 25px -8px var(--so-gold-glow);
}

/* Gold Gradient Text */
.text-gradient-gold {
  background: linear-gradient(135deg, var(--so-gold-light) 0%, var(--so-gold) 50%, var(--so-gold-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #70B4FF 0%, var(--so-blue-light) 50%, var(--so-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Section Header Structure */
.section-header {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-header.text-center {
  margin-inline: auto;
  text-align: center;
}

.section-header .badge {
  margin-bottom: 18px;
}

.section-header h2 {
  margin-bottom: 18px;
}

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

/* Standard Section Padding */
.section-py {
  padding-block: clamp(80px, 9vw, 130px);
  position: relative;
}