/**
 * VENDO GLOBAL TRADING - Design System & Base CSS
 * Enterprise International Corporate Architecture
 * CSS Logical Properties for Seamless RTL / LTR Multi-Language Support
 */

:root {
  /* Brand Color Palette */
  --color-primary-navy: #10243A;
  --color-secondary-navy: #173B5E;
  --color-white: #FFFFFF;
  --color-light-bg: #F5F7FA;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #EDF2F7;
  --color-charcoal: #263445;
  --color-text-muted: #5A6A7E;
  --color-text-light: #8E9FAA;
  --color-border: #DDE4EC;
  --color-border-subtle: #E8EEF5;
  --color-accent-gold: #C6A56B;
  --color-accent-gold-hover: #B29156;
  --color-accent-gold-subtle: rgba(198, 165, 107, 0.12);
  --color-teal-accent: #238C88;
  --color-teal-dark: #196865;
  --color-teal-subtle: rgba(35, 140, 136, 0.12);
  --color-success: #1B8755;
  --color-error: #D93838;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-nav: 'Outfit', 'Plus Jakarta Sans', sans-serif;

  /* Layout & Spacing */
  --container-max-width: 1240px;
  --container-wide-width: 1360px;
  --container-padding: 24px;
  --section-spacing-sm: 48px;
  --section-spacing-md: 80px;
  --section-spacing-lg: 110px;

  /* Elevations */
  --shadow-sm: 0 2px 4px rgba(16, 36, 58, 0.04), 0 1px 2px rgba(16, 36, 58, 0.06);
  --shadow-md: 0 4px 12px rgba(16, 36, 58, 0.07), 0 2px 4px rgba(16, 36, 58, 0.04);
  --shadow-lg: 0 12px 30px rgba(16, 36, 58, 0.09), 0 4px 8px rgba(16, 36, 58, 0.05);
  --shadow-xl: 0 20px 48px rgba(16, 36, 58, 0.12), 0 8px 16px rgba(16, 36, 58, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.25s ease-in-out;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-charcoal);
  background-color: var(--color-white);
  line-height: 1.65;
  text-align: start;
  overflow-x: hidden;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* RTL / LTR Direction Handling */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="ltr"] {
  direction: ltr;
  text-align: left;
}

/* Images & Media */
img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary-navy);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 4.35rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.65rem);
}

h4 {
  font-size: 1.2rem;
}

p {
  margin-bottom: 1rem;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
}

/* Structural Layout Classes */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--section-spacing-md);
  position: relative;
}

.section-lg {
  padding-block: var(--section-spacing-lg);
}

.section-sm {
  padding-block: var(--section-spacing-sm);
}

.bg-light {
  background-color: var(--color-light-bg);
}

.bg-navy {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
}

.bg-secondary-navy {
  background-color: var(--color-secondary-navy);
  color: var(--color-white);
}

.bg-white {
  background-color: var(--color-white);
}

/* Eyebrows, Badges & Section Headers */
.eyebrow {
  display: inline-block;
  font-family: var(--font-nav);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent-gold);
  margin-bottom: 0.75rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--color-accent-gold-subtle);
  color: var(--color-accent-gold-hover);
  border: 1px solid rgba(198, 165, 107, 0.3);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.badge-tag.teal {
  background-color: var(--color-teal-subtle);
  color: var(--color-teal-dark);
  border-color: rgba(35, 140, 136, 0.3);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.bg-navy .section-header h2,
.bg-secondary-navy .section-header h2 {
  color: var(--color-white);
}

.bg-navy .section-header p,
.bg-secondary-navy .section-header p {
  color: rgba(255, 255, 255, 0.78);
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent-gold);
  color: #0b1a2a;
  border: 1px solid var(--color-accent-gold);
  box-shadow: 0 4px 14px rgba(198, 165, 107, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-accent-gold-hover);
  border-color: var(--color-accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 165, 107, 0.35);
}

.btn-navy {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  border: 1px solid var(--color-primary-navy);
}

.btn-navy:hover {
  background-color: var(--color-secondary-navy);
  border-color: var(--color-secondary-navy);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-teal {
  background-color: var(--color-teal-accent);
  color: var(--color-white);
  border: 1px solid var(--color-teal-accent);
}

.btn-teal:hover {
  background-color: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(35, 140, 136, 0.28);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-navy);
  border: 1.5px solid var(--color-primary-navy);
}

.btn-outline:hover {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.65);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary-navy);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-link {
  padding: 0;
  background: none;
  color: var(--color-accent-gold);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-link:hover {
  color: var(--color-accent-gold-hover);
  text-decoration: underline;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Accessibility & Screen Readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}