/* Brand design tokens and shared component styles */
/* Merged from landing.css tokens and modern-style.css */

:root {
  /* Brand colors */
  --brand-primary: #232323;          /* Indigo */
  --brand-primary-600: #707070;
  --brand-primary-700: #4338ca;
  --brand-secondary: #69408f;        /* Purple */
  --brand-on-primary: #ffffff;
  --brand-on-dark: #ffffff;

  /* Surfaces and borders */
  --color-surface: #ffffff;
  --color-surface-2: #f8f9fa;
  --color-surface-3: #f8fafc;
  --color-surface-hover: #f3f4f6;
  --color-border: #e5e7eb;
  --color-border-strong: #cbd5e1;

  /* Text */
  --color-text: #111827;
  --color-text-strong: #2d3748;
  --color-text-muted: #718096;
  --color-text-muted-2: #6b7280;

  /* Accents */
  --color-primary-50: #eef2ff;
  --color-info: #0ea5e9;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-sans: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", system-ui, -apple-system, "Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
  --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

  /* Shadows */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);

  /* Transitions */
  --transition: all 0.3s ease;

  /* Bootstrap bridge */
  --bs-font-sans-serif: var(--font-sans);
  --bs-body-font-family: var(--font-sans);
  --bs-primary: var(--brand-primary);
  --bs-primary-rgb: 35, 35, 35; /* #232323 */
  --bs-secondary: var(--brand-secondary);
  --bs-success: var(--color-success);
  --bs-info: var(--color-info);
  --bs-warning: var(--color-warning);
  --bs-danger: var(--color-error);
  --bs-border-color: var(--color-border);
  --bs-border-radius: var(--radius-lg);
  --bs-link-color: var(--brand-primary);
  --bs-link-hover-color: var(--brand-primary-700);
}

/* Optional dark theme tokens (minimal) */
[data-bs-theme="dark"] {
  --bs-body-bg: #1a1a1a;
  --bs-body-color: #e9ecef;
  --bs-border-color: #495057;
}

/* Bootstrap Accordion Overrides - Brand Colors */
.accordion-button {
  background-color: var(--brand-primary);
  color: var(--brand-on-primary);
  border: none;
  font-weight: var(--fw-semibold);
  position: relative;
}

.accordion-button:not(.collapsed) {
  background-color: var(--brand-primary);
  color: var(--brand-on-primary);
  box-shadow: none;
}

.accordion-button:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 0.25rem rgba(35, 35, 35, 0.25);
}

.accordion-button::after {
  background-color: var(--brand-on-primary);
  mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") no-repeat center center;
  -webkit-mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") no-repeat center center;
  background-image: none;
  mask-size: 1rem 1rem;
  -webkit-mask-size: 1rem 1rem;
}

.accordion-button:hover {
  background-color: var(--brand-primary);
  opacity: 0.9;
}

.accordion-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: 0.75rem;
}

.accordion-body {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 1.25rem;
}