/* ==========================================================================
   The Guilds Academy - Design System & Core Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Brand Color Tokens */
  --color-primary-dark: #0B1F33;      /* Deep Slate Navy */
  --color-primary: #123B5D;           /* Royal Steel Navy */
  --color-primary-light: #1E4F7C;     /* Lighter Slate Accent */
  
  --color-accent: #F5A623;            /* Warm Gold / Amber Accent */
  --color-accent-hover: #D97706;      /* Rich Amber Hover */
  --color-accent-light: #FEF3C7;      /* Warm Gold Tint */

  --color-secondary: #0D9488;         /* Teal Accent for highlights */
  --color-secondary-light: #CCFBF1;
  
  /* Neutral Color Tokens */
  --color-surface: #FFFFFF;
  --color-bg-light: #F8FAFC;          /* Soft Cool Gray */
  --color-bg-alt: #F1F5F9;            /* Slightly darker gray */
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  
  /* Typography Colors */
  --color-text-main: #0F172A;         /* Dark Slate Body */
  --color-text-muted: #64748B;        /* Muted Body Text */
  --color-text-light: #94A3B8;        /* Soft Muted */
  --color-text-inverse: #FFFFFF;
  
  /* Feedback Colors */
  --color-success: #10B981;
  --color-success-bg: #ECFDF5;
  --color-warning: #F59E0B;
  --color-warning-bg: #FFFBEB;
  --color-danger: #EF4444;
  --color-danger-bg: #FEF2F2;

  /* Shadow Design Tokens */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.1), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(11, 31, 51, 0.15), 0 8px 20px -4px rgba(11, 31, 51, 0.08);

  /* Radius & Spacing Tokens */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  --font-family-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-fast: 0.18s ease-in-out;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max-width: 1320px;
  --header-height: 80px;
  --topbar-height: 40px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

a:hover {
  color: var(--color-accent-hover);
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Global Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--color-surface);
}

.section-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-inverse);
}

.section-header {
  margin-bottom: 3rem;
}

.section-subtitle {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-family-primary);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4);
}

.btn-navy {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 14px rgba(11, 31, 51, 0.25);
}

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

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

.btn-outline-navy:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.btn-outline-white {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-text-inverse);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
}

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-bestseller {
  background-color: var(--color-accent-light);
  color: #B45309;
}

.badge-popular {
  background-color: #E0F2FE;
  color: #0369A1;
}

.badge-new {
  background-color: var(--color-secondary-light);
  color: #0F766E;
}

.badge-accredited {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}