/* U CAN CODE Design System */

/* ===========================
   1. CSS Variables
   =========================== */
:root {
  /* Primary Colors */
  --color-primary-orange: #ff7900;
  --color-primary-black: #000000;
  --color-primary-white: #ffffff;

  /* Secondary Colors */
  --color-secondary-red: #ef3c3c;
  --color-secondary-yellow: #ffcf30;
  --color-secondary-green: #07d076;
  --color-secondary-blue: #0d8df6;

  /* Gray Scale */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-text-primary: #222222;
  --color-text-secondary: #888e8f;
  --color-text-tertiary: #4c4c4c;
  --color-text-inverse: #ffffff;

  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-bg-inverse: #222222;

  --color-border-light: #e5e7eb;
  --color-border-default: #d1d5db;
  --color-border-dark: #9ca3af;

  /* Brand Specific */
  --color-accent: var(--color-primary-orange);
  --color-success: var(--color-secondary-green);
  --color-warning: var(--color-secondary-yellow);
  --color-error: var(--color-secondary-red);
  --color-info: var(--color-secondary-blue);

  /* Typography */
  --font-family-primary: "Outfit", sans-serif;
  --font-family-code: "Fira Code", "Monaco", "Menlo", monospace;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Font Sizes */
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */
  --font-size-6xl: 4rem; /* 64px */

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;

  /* Letter Spacing */
  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem; /* 4px */
  --spacing-2: 0.5rem; /* 8px */
  --spacing-3: 0.75rem; /* 12px */
  --spacing-4: 1rem; /* 16px */
  --spacing-5: 1.25rem; /* 20px */
  --spacing-6: 1.5rem; /* 24px */
  --spacing-8: 2rem; /* 32px */
  --spacing-10: 2.5rem; /* 40px */
  --spacing-12: 3rem; /* 48px */
  --spacing-16: 4rem; /* 64px */
  --spacing-20: 5rem; /* 80px */
  --spacing-24: 6rem; /* 96px */

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem; /* 2px */
  --radius-default: 0.25rem; /* 4px */
  --radius-md: 0.375rem; /* 6px */
  --radius-lg: 0.5rem; /* 8px */
  --radius-xl: 0.75rem; /* 12px */
  --radius-2xl: 1rem; /* 16px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-default:
    0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

/* Dark mode variables */
[data-theme="dark"] {
  --color-text-primary: #ffffff;
  --color-text-secondary: #9ca3af;
  --color-text-tertiary: #d1d5db;

  --color-bg-primary: #111827;
  --color-bg-secondary: #1f2937;
  --color-bg-tertiary: #374151;
  --color-bg-inverse: #ffffff;

  --color-border-light: #374151;
  --color-border-default: #4b5563;
  --color-border-dark: #6b7280;
}

/* ===========================
   2. Base Typography
   =========================== */
body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  font-weight: var(--font-weight-regular);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-6xl);
  line-height: 1.2;
}

h2 {
  font-size: var(--font-size-4xl);
  line-height: 1.3;
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

/* ===========================
   3. Component Classes
   =========================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  border-radius: var(--radius-default);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary-orange);
  color: var(--color-primary-white);
}

.btn-primary:hover {
  background-color: #e56e00;
}

.btn-secondary {
  background-color: var(--color-primary-white);
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
}

.btn-secondary:hover {
  background-color: var(--color-bg-secondary);
}

.btn-black {
  background-color: var(--color-primary-black);
  color: var(--color-primary-white);
}

.btn-black:hover {
  background-color: #222222;
}

/* Cards */
.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-default);
  overflow: hidden;
}

.card-body {
  padding: var(--spacing-6);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--color-primary-orange);
  color: var(--color-primary-white);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-primary-white);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-primary-black);
}

.badge-error {
  background-color: var(--color-error);
  color: var(--color-primary-white);
}

.badge-info {
  background-color: var(--color-info);
  color: var(--color-primary-white);
}

/* Alerts */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-default);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.alert-success {
  background-color: rgba(7, 208, 118, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(7, 208, 118, 0.2);
}

.alert-warning {
  background-color: rgba(255, 207, 48, 0.1);
  color: #b8860b;
  border: 1px solid rgba(255, 207, 48, 0.2);
}

.alert-error {
  background-color: rgba(239, 60, 60, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 60, 60, 0.2);
}

.alert-info {
  background-color: rgba(13, 141, 246, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(13, 141, 246, 0.2);
}

/* Forms */
.form-control {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 2px solid var(--color-border-default);
  border-radius: var(--radius-default);
  transition: border-color var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-orange);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-primary);
}

/* Links */
.link {
  color: var(--color-primary-orange);
  text-decoration: none;
  transition: color var(--transition-base);
}

.link:hover {
  color: #e56e00;
  text-decoration: underline;
}

/* Code Blocks */
.code-inline {
  padding: var(--spacing-1) var(--spacing-2);
  font-family: var(--font-family-code);
  font-size: var(--font-size-sm);
  background-color: rgba(255, 121, 0, 0.1);
  color: var(--color-primary-orange);
  border-radius: var(--radius-sm);
}

.code-block {
  padding: var(--spacing-4);
  font-family: var(--font-family-code);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-bg-inverse);
  color: var(--color-text-inverse);
  border-radius: var(--radius-default);
  overflow-x: auto;
}

/* Utility Classes */
.text-primary {
  color: var(--color-text-primary);
}
.text-secondary {
  color: var(--color-text-secondary);
}
.text-tertiary {
  color: var(--color-text-tertiary);
}
.text-orange {
  color: var(--color-primary-orange);
}
.text-red {
  color: var(--color-secondary-red);
}
.text-yellow {
  color: var(--color-secondary-yellow);
}
.text-green {
  color: var(--color-secondary-green);
}
.text-blue {
  color: var(--color-secondary-blue);
}

.bg-primary {
  background-color: var(--color-bg-primary);
}
.bg-secondary {
  background-color: var(--color-bg-secondary);
}
.bg-tertiary {
  background-color: var(--color-bg-tertiary);
}
.bg-orange {
  background-color: var(--color-primary-orange);
}
.bg-black {
  background-color: var(--color-primary-black);
}

.uppercase {
  text-transform: uppercase;
}
.font-extrabold {
  font-weight: var(--font-weight-extrabold);
}
.font-bold {
  font-weight: var(--font-weight-bold);
}
.font-semibold {
  font-weight: var(--font-weight-semibold);
}
.font-medium {
  font-weight: var(--font-weight-medium);
}

.tracking-tight {
  letter-spacing: var(--letter-spacing-tight);
}
.tracking-wide {
  letter-spacing: var(--letter-spacing-wide);
}
.tracking-wider {
  letter-spacing: var(--letter-spacing-wider);
}
.tracking-widest {
  letter-spacing: var(--letter-spacing-widest);
}

/* ===========================
   4. Layout Components
   =========================== */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-12);
  }
}

/* Navigation */
.navbar {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  height: 73px;
}

.navbar-brand {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.navbar-link:hover {
  opacity: 0.7;
}

/* Footer */
.footer {
  background-color: var(--color-bg-inverse);
  color: var(--color-text-inverse);
  padding: var(--spacing-16) 0;
}

/* ===========================
   5. Blog Specific
   =========================== */
.blog-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  letter-spacing: var(--letter-spacing-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.blog-meta {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-secondary);
}

.blog-category {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-secondary);
  background-color: transparent;
  border-radius: var(--radius-full);
}

.blog-toc {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.blog-toc-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-primary);
}

.blog-toc-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.blog-toc-link:hover {
  color: var(--color-primary-orange);
}

/* Remove conflicting blog-callout styles - handled in detail.html */

/* Quote styles moved to blog-detail.css for Figma design */