/* ==========================================================================
   FQRS Design System & Global Styles (main.css)
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --fqrs-navy-950: #05070a;
  --fqrs-navy-900: #0b132b;
  --fqrs-navy-800: #1c2541;
  --fqrs-navy-700: #253258;
  
  --fqrs-gold: #e5a93c;
  --fqrs-gold-hover: #d29427;
  --fqrs-gold-glow: rgba(229, 169, 60, 0.25);
  --fqrs-gold-light: #fef9ee;

  --fqrs-slate-900: #0f172a;
  --fqrs-slate-800: #1e293b;
  --fqrs-slate-700: #334155;
  --fqrs-slate-600: #475569;
  --fqrs-slate-500: #64748b;
  --fqrs-slate-400: #94a3b8;
  --fqrs-slate-300: #cbd5e1;
  --fqrs-slate-200: #e2e8f0;
  --fqrs-slate-100: #f1f5f9;
  --fqrs-slate-50: #f8fafc;
  --fqrs-white: #ffffff;

  --fqrs-success: #10b981;
  --fqrs-error: #ef4444;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout & Spacing */
  --container-max: 1240px;
  --container-pad: 1.5rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-subtle: 0 2px 8px rgba(11, 19, 43, 0.04);
  --shadow-card: 0 10px 30px -5px rgba(11, 19, 43, 0.08), 0 4px 12px rgba(11, 19, 43, 0.03);
  --shadow-hover: 0 20px 40px -10px rgba(11, 19, 43, 0.15), 0 8px 16px rgba(11, 19, 43, 0.05);
  --shadow-glow: 0 0 25px rgba(229, 169, 60, 0.35);

  /* Transitions */
  --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--fqrs-slate-800);
  background-color: var(--fqrs-white);
  overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--fqrs-navy-900);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.65rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
  margin-bottom: 1.25rem;
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--fqrs-navy-900);
  text-decoration: none;
  transition: color var(--trans-fast);
}
a:hover {
  color: var(--fqrs-gold);
}

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

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

.section-pad {
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.section-pad-sm {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.bg-dark {
  background-color: var(--fqrs-navy-900);
  color: var(--fqrs-slate-200);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--fqrs-white);
}

.bg-slate {
  background-color: var(--fqrs-slate-50);
}

.text-center { text-align: center; }
.text-gold { color: var(--fqrs-gold); }

/* Section Headers */
.section-header {
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fqrs-gold);
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--fqrs-gold-light);
  border-radius: var(--radius-pill);
}
.bg-dark .eyebrow {
  background-color: rgba(229, 169, 60, 0.15);
  color: var(--fqrs-gold);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--fqrs-slate-600);
  line-height: 1.6;
}
.bg-dark .section-desc {
  color: var(--fqrs-slate-300);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--trans-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--fqrs-gold);
  color: var(--fqrs-navy-950);
  box-shadow: 0 4px 14px rgba(229, 169, 60, 0.3);
}
.btn-primary:hover {
  background-color: var(--fqrs-gold-hover);
  color: var(--fqrs-navy-950);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 169, 60, 0.45);
}

.btn-secondary {
  background-color: var(--fqrs-navy-800);
  color: var(--fqrs-white);
  border-color: var(--fqrs-navy-700);
}
.btn-secondary:hover {
  background-color: var(--fqrs-navy-900);
  color: var(--fqrs-gold);
  border-color: var(--fqrs-gold);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--fqrs-navy-900);
  border-color: var(--fqrs-navy-900);
}
.btn-outline:hover {
  background-color: var(--fqrs-navy-900);
  color: var(--fqrs-white);
}

.bg-dark .btn-outline {
  color: var(--fqrs-white);
  border-color: rgba(255, 255, 255, 0.3);
}
.bg-dark .btn-outline:hover {
  border-color: var(--fqrs-gold);
  color: var(--fqrs-gold);
}

.btn-block {
  display: flex;
  width: 100%;
}