/* ============================================================
   Irish Folk Session Dortmund – Style Sheet
   Mobile-first, responsive, GitHub Pages ready
   ============================================================ */

/* === Custom Properties === */
:root {
  --color-dark-green: #1B4332;
  --color-mid-green:  #2D6A4F;
  --color-gold:       #D4A373;
  --color-cream:      #F8F5F0;
  --color-dark:       #222222;
  --color-text:       #333333;
  --color-muted:      #666666;

  --font-heading: 'Merriweather', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --max-width:   1000px;
  --sp-xs:  0.35rem;
  --sp-sm:  0.75rem;
  --sp-md:  1.1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2rem;

  --radius:       0.75rem;
  --shadow:       0 2px 12px rgba(0,0,0,0.10);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.18);
  --transition:   0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.6;
}

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

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

/* === Accessibility: Focus Styles === */
:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* === Container === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-sm);
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition),
    transform  var(--transition),
    box-shadow var(--transition);
  text-align: center;
  border: none;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-dark-green);
  box-shadow: 0 4px 16px rgba(212,163,115,0.4);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #e8b888;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,163,115,0.5);
}

/* === Section Title === */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-dark-green);
  margin-bottom: var(--sp-md);
  text-align: center;
  line-height: 1.3;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-gold);
  margin: var(--sp-xs) auto 0;
  border-radius: 2px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Fallback colour when hero.jpg is absent */
  background-color: var(--color-dark-green);
  background-image: url('../assets/hero.jpg');
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 2.5rem var(--sp-sm) 2rem;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(27,67,50,0.72) 0%,
    rgba(27,67,50,0.88) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: var(--color-cream);
}

.lang-switch {
  display: inline-flex;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
}

.lang-switch__btn {
  border: none;
  background: transparent;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-switch__btn.is-active {
  background: var(--color-gold);
  color: var(--color-dark-green);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--sp-sm);
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 500;
  color: var(--color-gold);
  margin-bottom: var(--sp-sm);
}

.hero__intro {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(248,245,240,0.88);
  margin-bottom: var(--sp-md);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero .countdown {
  margin-bottom: 0;
  margin-top: var(--sp-sm);
}

/* ============================================================
   LINKS SECTION
   ============================================================ */
.links {
  padding: var(--sp-xl) 0;
  background: var(--color-cream);
}

.links__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-sm);
}

/* 2-column layout from 600 px (tablet) */
@media (min-width: 600px) {
  .links__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* === Link Cards === */
.link-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  grid-template-rows: auto 1fr;
  gap: 0.25rem 0.75rem;
  align-items: center;
  padding: 0.7rem 1rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-mid-green);
  transition:
    transform   var(--transition),
    box-shadow  var(--transition),
    border-color var(--transition);
  text-decoration: none;
  color: inherit;
}

.link-card:hover,
.link-card:focus-visible,
.link-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--color-gold);
}

.link-card__icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.link-card__icon img {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.link-card__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  grid-column: 2 / -1;
  grid-row: 2 / 3;
}

.link-card__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0.03em;
  color: var(--color-mid-green);
  grid-column: 1 / -1;
  grid-row: 1 / 2;
}

.link-card__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-dark-green);
  margin-bottom: 0.15rem;
}

.link-card__desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 0.4rem;
}

.link-card__actions {
  display: flex;
  gap: 0.5rem;
}

.link-card__action {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-dark-green);
  border: 1px solid var(--color-mid-green);
  border-radius: 3px;
  padding: 0.28rem 0.65rem;
  transition:
    background var(--transition),
    color      var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.link-card__action:hover,
.link-card__action:focus-visible {
  background: var(--color-mid-green);
  color: #fff;
}

/* ============================================================
   TERMINE SECTION
   ============================================================ */
.termine {
  padding: var(--sp-xl) 0;
  background: var(--color-dark-green);
  color: var(--color-cream);
}

.termine .section-title {
  color: var(--color-cream);
}

/* === Countdown === */
.countdown {
  text-align: center;
  margin-bottom: var(--sp-md);
}

.countdown__label {
  font-size: 0.8rem;
  color: rgba(248,245,240,0.65);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-bottom: var(--sp-sm);
}

.countdown__grid {
  display: flex;
  justify-content: center;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(212,163,115,0.3);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  min-width: 70px;
}

.countdown__value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.countdown__unit {
  font-size: 0.7rem;
  color: rgba(248,245,240,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* === Last Session === */
.last-session {
  margin: 0 auto var(--sp-md);
  max-width: 720px;
  border: 1px solid rgba(212,163,115,0.3);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.05);
  text-align: center;
}

.last-session__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(248,245,240,0.62);
}

.last-session__list {
  list-style: none;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.last-session__item {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-gold);
  text-align: left;
  padding-left: 0.5rem;
  border-left: 2px solid rgba(212,163,115,0.4);
  padding-top: 0.2rem;
  padding-bottom: 0.2rem;
}

/* === Loading / Error === */
.loading,
.error-message {
  text-align: center;
  padding: var(--sp-lg);
  color: rgba(248,245,240,0.75);
  font-size: 1rem;
}

.error-message a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* === Events List === */
.events-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.event-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(212,163,115,0.18);
  border-radius: var(--radius);
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  transition:
    background    var(--transition),
    border-color  var(--transition);
}

.event-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(212,163,115,0.4);
}

.event-card__date {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-gold);
  font-weight: 700;
}

.event-card__title {
  font-size: 0.9rem;
  color: rgba(248,245,240,0.75);
}

.event-card__actions {
  display: flex;
  gap: var(--sp-xs);
  flex-wrap: wrap;
  margin-top: var(--sp-xs);
}

.event-card__link {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-gold);
  border: 1px solid rgba(212,163,115,0.45);
  border-radius: 4px;
  padding: 0.28rem 0.65rem;
  transition:
    background var(--transition),
    color      var(--transition);
}

.event-card__link:hover,
.event-card__link:focus-visible {
  background: var(--color-gold);
  color: var(--color-dark-green);
}

/* === Session Stats === */
.session-stats {
  text-align: center;
  margin-top: var(--sp-md);
}

.session-stats__text {
  font-size: 0.78rem;
  color: rgba(248,245,240,0.4);
}

/* ============================================================
   ÜBER SECTION
   ============================================================ */
.about {
  padding: var(--sp-xl) 0;
  background: #fff;
}

.about__content {
  max-width: 680px;
  margin: 0 auto;
}

.about__content p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text);
  margin-bottom: var(--sp-xs);
}

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

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  color: rgba(248,245,240,0.75);
  padding: var(--sp-md) 0;
  text-align: center;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-gold);
  font-weight: 700;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: center;
}

.footer__nav a {
  font-size: 0.88rem;
  color: rgba(248,245,240,0.65);
  transition: color var(--transition);
  padding: 0.2rem 0;
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
  color: var(--color-gold);
}

.footer__disclaimer {
  font-size: 0.78rem;
  color: rgba(248,245,240,0.35);
}

/* ============================================================
   RESPONSIVE – Tablet (768 px)
   ============================================================ */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--sp-md);
  }

  .section-title {
    font-size: 2rem;
  }

  /* Event card: date left, actions right */
  .event-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .event-card__actions {
    margin-top: 0;
    flex-shrink: 0;
  }
}

/* ============================================================
   RESPONSIVE – Desktop (1024 px)
   ============================================================ */
@media (min-width: 1024px) {
  .hero {
    background-attachment: fixed;
  }

  .section-title {
    font-size: 2.25rem;
  }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .hero__overlay,
  .btn,
  .countdown,
  .event-card__actions,
  .footer__nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 2rem;
    background: none;
  }

  .hero__content {
    color: var(--color-dark);
  }

  .termine {
    background: none;
    color: var(--color-dark);
  }

  .termine .section-title,
  .event-card__date {
    color: var(--color-dark-green);
  }
}