/* ==========================================================================
   INTEE DESIGN SYSTEM — Clean Minimalist & Premium White (Uniqlo/COS Aesthetic)
   ========================================================================== */

:root {
  /* Curated Minimalist Palette */
  --bg-primary: #FFFFFF;
  --bg-subtle: #F9FAFB;
  --bg-elevated: #F3F4F6;
  --bg-accent-soft: #EEF2F6;

  --text-main: #111827;       /* Deep rich obsidian */
  --text-muted: #4B5563;      /* Subtle slate gray */
  --text-subtle: #9CA3AF;     /* Soft ash */
  --text-inverse: #FFFFFF;

  --border-light: #E5E7EB;    /* Crisp light border */
  --border-subtle: #F3F4F6;
  --border-focus: #111827;

  /* Accent & Action Colors */
  --brand-black: #0F172A;
  --brand-charcoal: #1E293B;
  --accent-gold: #B45309;     /* Subtle warm bronze for guarantee & badge */
  --accent-gold-bg: #FEF3C7;
  --accent-emerald: #059669;  /* Micro indicator for verified & deposit */
  --accent-emerald-bg: #D1FAE5;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows & Elevation */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-floating: 0 20px 48px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1180px;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

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

button, input, select {
  font-family: inherit;
  font-size: inherit;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-padding {
  padding-top: 88px;
  padding-bottom: 88px;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Button Component Utilities */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brand-black);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background-color: #27272a;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-light);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--brand-black);
  background-color: var(--bg-elevated);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-main);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background-color: #E2E8F0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}