/* ==========================================================================
   Skatepark Lankow - Design System
   Modern, accessible, mobile-first CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Dark Theme */
  --color-bg-primary: #222;         /* Main dark background */
  --color-bg-secondary: #2f2f2f;    /* Alternate sections */
  --color-bg-muted: #3a3a3a;        /* Cards, hover states */
  --color-bg-card: #333;

  --color-text: #f0f0f0;            /* Light text */
  --color-text-muted: #999;         /* Muted text */
  --color-text-heading: #fff;

  --color-accent: #c94a3a;          /* Vibrant brown-red */
  --color-accent-hover: #db6456;    /* Lighter on hover */
  --color-accent-muted: rgba(201, 74, 58, 0.08);

  --color-border: #444;
  --color-focus: #c94a3a;

  /* Typography */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-md);

  /* Borders */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  /* Z-index */
  --z-header: 100;
  --z-modal: 200;
  --z-skip: 300;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* --------------------------------------------------------------------------
   Accessibility
   -------------------------------------------------------------------------- */

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: var(--z-skip);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
}

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

/* Focus styles */
:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

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

/* Screen reader only */
.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;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
}

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

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

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

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding: var(--space-3xl) 0;
}

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

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

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo__img {
  height: 2.5rem;
  width: auto;
}

/* Desktop Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-accent);
}

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.mobile-nav[data-open="true"] {
  display: block;
}

.mobile-nav__list {
  list-style: none;
}

.mobile-nav__link {
  display: block;
  padding: var(--space-md);
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav__link:hover {
  background-color: var(--color-bg-muted);
}

/* Header CTA Button */
.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .menu-toggle {
    display: none;
  }

  .header__cta {
    display: inline-flex;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-text);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}


.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) var(--space-2xl);
  background: rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.hero__credit {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .hero {
    min-height: 70vh;
  }

  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.card__body {
  padding: var(--space-lg);
}

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Card Grid */
.card-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid--5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Board Members Grid
   -------------------------------------------------------------------------- */
.board-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .board-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .board-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.board-member {
  text-align: center;
}

.board-member__image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: 3px solid var(--color-border);
}

.board-member__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.board-member__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Events Table
   -------------------------------------------------------------------------- */
.events-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

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

.events-table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

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

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta {
  text-align: center;
}

.cta__title {
  margin-bottom: var(--space-md);
}

.cta__text {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-muted);
}

.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  justify-content: center;
  list-style: none;
}

.footer__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-bg-muted);
  color: var(--color-text);
}

.footer__social-link svg {
  width: 24px;
  height: 24px;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   Content Pages
   -------------------------------------------------------------------------- */
.page-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-content h2 {
  margin-top: var(--space-2xl);
}

.page-content ul,
.page-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.page-content li {
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Two Column Layout
   -------------------------------------------------------------------------- */
.two-col {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }

  .two-col--reverse {
    direction: rtl;
  }

  .two-col--reverse > * {
    direction: ltr;
  }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center {
  text-align: center;
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .header,
  .footer,
  .skip-link {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}