/*
 * Friends of Jose de Diego - Design System
 *
 * Design principles:
 * - Content-first: Typography and spacing prioritized
 * - Calm and trustworthy: Muted colors, generous whitespace
 * - Accessible: WCAG AA contrast, clear focus states
 * - Mobile-first: Base styles for mobile, enhanced for larger screens
 */


/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Colors - Calm, trustworthy palette */
  --color-primary: #2c5282;       /* Deep blue - trust, stability */
  --color-primary-dark: #1a365d;
  --color-primary-light: #4a7cb8;

  --color-accent: #38a169;        /* Green - growth, hope */
  --color-accent-dark: #276749;

  --color-text: #1a202c;          /* Near-black for body text */
  --color-text-muted: #4a5568;    /* Gray for secondary text */
  --color-text-light: #718096;    /* Lighter gray for tertiary */

  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;        /* Subtle off-white for sections */
  --color-bg-muted: #edf2f7;

  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e0;

  /* Status colors */
  --color-status-active: #38a169;
  --color-status-planned: #d69e2e;
  --color-status-completed: #4a5568;

  /* Typography - System font stack for performance */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji",
               "Segoe UI Emoji";

  /* Type scale - Major third (1.25) */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */

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

  /* Layout */
  --container-max: 72rem;  /* 1152px */
  --content-max: 42rem;    /* 672px - optimal reading width */

  /* Misc */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}


/* ==========================================================================
   Base & Reset
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

/* Accessibility: Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-4);
}


/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  line-height: 1.25;
  font-weight: 600;
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin: 0 0 var(--space-4);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-small {
  font-size: var(--text-sm);
}


/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.section {
  padding: var(--space-12) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }
}

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

.section-header {
  margin-bottom: var(--space-8);
}

.section-title {
  margin-bottom: var(--space-2);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: var(--content-max);
}


/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

@media (min-width: 768px) {
  .site-header .container {
    height: 5rem;
  }
}

.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  gap: 0;
}

.logo-text {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.2;
}

/* Mobile nav toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

/* Navigation */
.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4);
}

.site-nav.is-open {
  display: block;
}

@media (min-width: 768px) {
  .site-nav {
    display: block;
    position: static;
    border: none;
    padding: 0;
  }
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .nav-list {
    flex-direction: row;
    gap: var(--space-6);
  }
}

.nav-link {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active {
  position: relative;
}

@media (min-width: 768px) {
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
  }
}


/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-16);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-org {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-logo {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.footer-name {
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-1);
}

.footer-status {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-copyright {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  margin: 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}


/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}


/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ==========================================================================
   Status Badges
   ========================================================================== */

.status-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.status-badge--active {
  background: #c6f6d5;
  color: var(--color-accent-dark);
}

.status-badge--planned {
  background: #fefcbf;
  color: #975a16;
}

.status-badge--completed {
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
}


/* ==========================================================================
   Initiative Cards
   ========================================================================== */

.initiative-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.initiative-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.initiative-card__title {
  font-size: var(--text-xl);
  margin: 0;
}

.initiative-card__description {
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: var(--space-4);
}

.initiative-card__meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}


/* ==========================================================================
   Member Cards
   ========================================================================== */

.member-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .member-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.member-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.member-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-muted);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
}

.member-card__photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-4);
}

.member-card__name {
  font-size: var(--text-xl);
  margin: 0 0 var(--space-1);
}

.member-card__role {
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--text-sm);
  margin: 0 0 var(--space-4);
}

.member-card__bio {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
}


/* ==========================================================================
   Transparency / Reports
   ========================================================================== */

.year-group {
  margin-bottom: var(--space-8);
}

.year-group:last-child {
  margin-bottom: 0;
}

.year-title {
  font-size: var(--text-2xl);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border-dark);
  margin-bottom: var(--space-6);
}

.quarter-section {
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.quarter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-alt);
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.quarter-header:hover {
  background: var(--color-bg-muted);
}

.quarter-header:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.quarter-toggle {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.quarter-section.is-open .quarter-toggle {
  transform: rotate(180deg);
}

.quarter-content {
  display: none;
  padding: var(--space-6);
}

.quarter-section.is-open .quarter-content {
  display: block;
}

/* Financial tables */
.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.report-table th,
.report-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.report-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
}

.report-table td:last-child,
.report-table th:last-child {
  text-align: right;
}

.report-table tbody tr:hover {
  background: var(--color-bg-alt);
}

.report-table tfoot {
  font-weight: 600;
}

.report-table tfoot td {
  border-top: 2px solid var(--color-border-dark);
  border-bottom: none;
}

.amount-positive {
  color: var(--color-accent-dark);
}

.amount-negative {
  color: #c53030;
}


/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-label--required::after {
  content: ' *';
  color: #c53030;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-text-light);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.15);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.contact-form {
  max-width: 36rem;
}


/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-20) 0;
  }
}

.hero__content {
  max-width: var(--content-max);
}

.hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
  color: var(--color-primary-dark);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .hero__description {
    font-size: var(--text-xl);
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}


/* ==========================================================================
   Page Headers
   ========================================================================== */

.page-header {
  padding: var(--space-12) 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .page-header {
    padding: var(--space-16) 0;
  }
}

.page-title {
  margin-bottom: var(--space-4);
}

.page-description {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: var(--content-max);
  margin: 0;
}


/* ==========================================================================
   Utilities
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}