/**
 * CSS Variables — Premium B2B Brand System
 * Deep Navy, Leather Brown, Gold Accent
 */

:root {
  /* Brand Colors */
  --navy-deep: #0F172A;
  --navy-mid: #1E293B;
  --navy-soft: #334155;
  --brown-leather: #C89B3C;
  --brown-deep: #A87F2A;
  --gold: #C89B3C;
  --gold-deep: #A87F2A;
  --gold-hover: #D4AF37;

  /* Neutrals */
  --bg-main: #F8F9FA;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-on-dark: #F1F5F9;

  /* Borders & Lines */
  --border-light: #E5E7EB;
  --border-medium: #CBD5E1;

  /* Typography */
  --font-head: 'Poppins', 'Montserrat', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', 'Poppins', 'Montserrat', system-ui, sans-serif;
  --font-size-hero: clamp(2.8rem, 6vw, 5rem);
  --font-size-h1: clamp(2.2rem, 4.5vw, 3.8rem);
  --font-size-h2: clamp(1.8rem, 3.5vw, 2.8rem);
  --font-size-h3: clamp(1.3rem, 2.5vw, 1.8rem);
  --font-size-body: 1.05rem;
  --font-weight-bold: 700;
  --font-weight-medium: 500;
  --font-weight-regular: 400;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 6rem;
  --space-xxl: 9rem;

  /* Layout */
  --container-max: 1280px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 40px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --shadow-gold: 0 8px 30px rgba(200, 155, 60, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

/* Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-fluid {
  width: 100%;
  padding: 0 2rem;
}

@media (min-width: 1600px) {
  .container { padding: 0 4rem; }
  .container-fluid { padding: 0 4rem; }
}