/* ============================================
   Match Point Design System — Fairland Tennis Club
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --surface: #f8f9fa;
  --surface-dim: #d9dadb;
  --surface-bright: #f8f9fa;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --surface-container-highest: #e1e3e4;
  --on-surface: #191c1d;
  --on-surface-variant: #3f4945;
  --inverse-surface: #2e3132;
  --inverse-on-surface: #f0f1f2;
  --outline: #707975;
  --outline-variant: #bfc9c4;
  --surface-tint: #29695b;
  --primary: #00342b;
  --on-primary: #ffffff;
  --primary-container: #004d40;
  --on-primary-container: #7ebdac;
  --inverse-primary: #94d3c1;
  --secondary: #536600;
  --on-secondary: #ffffff;
  --secondary-container: #c7ef00;
  --on-secondary-container: #576a00;
  --tertiary: #521c00;
  --on-tertiary: #ffffff;
  --tertiary-container: #772b00;
  --on-tertiary-container: #ff9564;
  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #93000a;
  --background: #f8f9fa;
  --on-background: #191c1d;

  /* Typography */
  --font-display: 'Hanken Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --sp-base: 4px;
  --sp-xs: 8px;
  --sp-sm: 16px;
  --sp-md: 24px;
  --sp-lg: 48px;
  --sp-xl: 80px;
  --container-max: 1280px;
  --gutter: 24px;
  --margin-mobile: 16px;

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--on-surface);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body > *:not(.lightbox) {
  flex-shrink: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

/* --- Typography --- */
.display-lg {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.headline-lg {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.headline-md {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.3;
}

.body-lg {
  font-size: 18px;
  line-height: 1.6;
}

.body-md {
  font-size: 16px;
  line-height: 1.5;
}

.label-caps {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

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

@media (max-width: 768px) {
  .container {
    padding-inline: var(--margin-mobile);
  }
}

.grid {
  display: grid;
  gap: var(--gutter);
}

.grid-12 {
  grid-template-columns: repeat(12, 1fr);
}

@media (max-width: 768px) {
  .grid-12 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.section {
  padding-block: var(--sp-xl);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--sp-lg);
  }
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
}

.header__logo {
  width: 40px;
  height: 40px;
}

.header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.5vw, 24px);
  letter-spacing: -0.01em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.header__nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--sp-xs) var(--sp-sm);
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}

.header__nav a:hover {
  background: rgba(255,255,255,0.12);
}

.header__nav a.active {
  color: var(--secondary-container);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-xs);
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--on-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: var(--sp-sm) var(--margin-mobile) var(--sp-md);
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header__nav a {
    width: 100%;
    padding: var(--sp-sm);
    text-align: left;
  }
}

/* --- Hero --- */
.hero {
  background: var(--primary);
  color: var(--on-primary);
  padding: var(--sp-xl) 0;
  text-align: center;
}

.hero--image {
  position: relative;
  background-size: cover;
  background-position: center;
  min-height: 420px;
  display: flex;
  align-items: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 52, 43, 0.88), rgba(0, 52, 43, 0.72));
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero .display-lg {
  margin-bottom: var(--sp-sm);
}

.hero__subtitle {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin-inline: auto;
}

/* --- Sections --- */
.section--surface {
  background: #e8f0ed;
}

.section--primary {
  background: var(--primary);
  color: var(--on-primary);
}

.section--dark {
  background: var(--inverse-surface);
  color: var(--inverse-on-surface);
}

.section--tinted {
  background: #d5e8df;
}

.section__title {
  text-align: center;
  margin-bottom: var(--sp-lg);
}

/* --- Cards --- */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  padding: var(--sp-md);
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.card--elevated {
  border: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xs);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
}

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

.btn--primary:hover {
  background: var(--primary-container);
}

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

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

.btn--accent {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}

.btn--accent:hover {
  background: #b8e000;
}

.btn--ghost {
  background: transparent;
  color: var(--primary);
  padding: 8px 16px;
}

.btn--ghost:hover {
  background: rgba(0,52,43,0.08);
}

/* --- Chips/Badges --- */
.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.chip--live {
  background: var(--tertiary-container);
  color: var(--on-tertiary-container);
}

.chip--date {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}

.chip--muted {
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
}

/* --- Image Carousel --- */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-container);
}

.carousel__track {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
}

.carousel__slide img {
  width: 100%;
  height: auto;
  display: block;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.9);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  z-index: 2;
  transition: background 0.2s;
}

.carousel__btn:hover {
  background: #fff;
}

.carousel__btn--prev { left: 12px; }
.carousel__btn--next { right: 12px; }

.carousel__dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.carousel__dot.active {
  background: #fff;
}

/* --- Contact Block --- */
.contact-block {
  text-align: center;
  padding: var(--sp-md);
}

.contact-block__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: var(--sp-xs);
}

.contact-block__value {
  font-size: 18px;
  font-weight: 500;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: var(--on-primary);
  padding: var(--sp-md) 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  transition: background 0.2s;
}

.footer__social a:hover {
  background: rgba(255,255,255,0.2);
}

.footer__copy {
  font-size: 14px;
  opacity: 0.7;
}

.footer__copy a {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
    gap: var(--sp-sm);
    text-align: center;
  }
}

/* --- Map --- */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--secondary-container); }
.text-muted { color: var(--on-surface-variant); }
.mt-sm { margin-top: var(--sp-sm); }
.mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); }
.mb-sm { margin-bottom: var(--sp-sm); }
.mb-md { margin-bottom: var(--sp-md); }
.mb-lg { margin-bottom: var(--sp-lg); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- 404 Page --- */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: var(--sp-xl) var(--gutter);
}

.error-page__code {
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

/* --- Two Column Layout --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  align-items: center;
}

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

/* --- Event Card --- */
.event-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
}

.event-card__date {
  writing-mode: vertical-lr;
  text-orientation: mixed;
  transform: rotate(180deg);
}

@media (max-width: 768px) {
  .event-card {
    grid-template-columns: 1fr;
  }

  .event-card__date {
    writing-mode: horizontal-tb;
    transform: none;
  }
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: background 0.2s;
}

.lightbox__btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox__btn--prev { left: 16px; }
.lightbox__btn--next { right: 16px; }

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: background 0.2s;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox__counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 13px;
}