/*
  KLANGBILD DESIGN SYSTEM
  Junge Philharmonie Lennestadt e.V.
  Fonts: Cormorant Garamond (Display) + Inter (Body)
  Palette: Pergament / Notenschwarz / Cello-Holz
*/

/* ============================================
   TOKENS & RESET
============================================ */
:root {
  --color-pergament:     #F6F4F0;
  --color-notenschwarz:  #1E1C1B;
  --color-cello:         #B54929;
  --color-cello-light:   #c76a4f;
  --color-muted:         #a09585;
  --color-muted-light:   #d6d0c8;
  --color-dark-bg:       hsl(18, 5%, 11%);
  --color-dark-bg-deep:  hsl(18, 5%, 6%);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.1;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ============================================
   UTILITIES
============================================ */
.font-body    { font-family: var(--font-body); }
.font-display { font-family: var(--font-display); }
.text-primary { color: var(--color-cello); }
.text-muted   { color: var(--color-muted); }
.text-pergament { color: var(--color-pergament); }

.label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  background: var(--color-cello);
  color: var(--color-pergament);
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.8; }

/* ============================================
   ANIMATIONS
============================================ */
@keyframes kenBurns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.06) translate(-1.5%, -1%); }
}
.ken-burns { animation: kenBurns 14s ease-in-out infinite alternate; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; }
.reveal.visible { animation: fadeUp 0.7s ease forwards; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   STICKY HEADER
============================================ */
.sticky-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  background: hsl(18, 5%, 11%, 0.97);
  backdrop-filter: blur(8px);
  transform: translateY(-100%); opacity: 0; pointer-events: none;
  transition: transform 0.5s ease, opacity 0.5s ease;
}
.sticky-header.visible {
  transform: translateY(0); opacity: 1; pointer-events: auto;
}
.sticky-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-8);
}
.sticky-header__brand { display: flex; flex-direction: column; transition: opacity 0.2s; }
.sticky-header__brand:hover { opacity: 0.7; }
.sticky-header__region {
  font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--color-cello); margin-bottom: 2px;
}
.sticky-header__name {
  font-family: var(--font-display); font-size: var(--text-base);
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-pergament);
}
.sticky-header__nav { display: none; align-items: center; gap: var(--space-8); }
.sticky-header__nav a {
  font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase;
  color: hsl(36, 18%, 95%, 0.6); transition: color 0.2s;
}
.sticky-header__nav a:hover { color: var(--color-cello); }

/* ============================================
   MENU BUTTON (Notenlinien)
============================================ */
.menu-btn { display: flex; flex-direction: column; align-items: center; gap: 5px; padding: var(--space-2); }
.menu-btn__lines { display: flex; gap: 5px; align-items: flex-end; height: 20px; }
.menu-btn__lines span { display: inline-block; width: 2px; background: currentColor; transition: height 0.3s; }
.menu-btn__label { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; }

/* ============================================
   MENU OVERLAY
============================================ */
.menu-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: hsl(18, 5%, 8%, 0.97);
  opacity: 0; pointer-events: none; transition: opacity 0.5s;
}
.menu-overlay.open { opacity: 1; pointer-events: auto; }
.menu-overlay__close {
  position: absolute; top: var(--space-8); right: var(--space-8);
  color: var(--color-pergament); transition: color 0.2s;
}
.menu-overlay__close:hover { color: var(--color-cello); }
.menu-overlay__content {
  display: flex; flex-direction: column; justify-content: center;
  height: 100%; padding: 0 var(--space-12);
}
.menu-overlay__label { margin-bottom: var(--space-12); color: var(--color-cello); }
.menu-overlay__link {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--color-pergament); padding: 0.25rem 0; transition: color 0.2s;
}
.menu-overlay__link:hover { color: var(--color-cello); }
.menu-overlay.open .menu-overlay__link { animation: slideIn 0.4s ease forwards; }
.menu-overlay__footer {
  margin-top: var(--space-16); padding-top: var(--space-8);
  border-top: 1px solid hsl(36, 18%, 30%, 0.3);
  font-size: var(--text-sm); color: var(--color-muted);
}

/* ============================================
   HERO
============================================ */
.hero { position: relative; width: 100%; height: 100vh; min-height: 600px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; overflow: hidden; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay { position: absolute; inset: 0; background: hsl(18, 5%, 11%, 0.45); }

.hero__top {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: var(--space-8);
}
.hero__region { font-size: var(--text-xs); letter-spacing: 0.35em; text-transform: uppercase; color: var(--color-cello-light); margin-bottom: 0.25rem; }
.hero__title { font-family: var(--font-display); font-size: clamp(1.25rem, 2.5vw, 1.5rem); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-pergament); }

.hero__bottom { position: absolute; bottom: 0; left: 0; right: 0; z-index: 20; padding: 0 var(--space-8) var(--space-16); }
.hero__content { max-width: 42rem; }
.hero__subtitle { font-size: var(--text-xs); letter-spacing: 0.35em; text-transform: uppercase; color: var(--color-cello-light); margin-bottom: var(--space-4); }
.hero__heading { font-family: var(--font-display); font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-pergament); line-height: 1; margin-bottom: var(--space-6); }
.hero__text { font-size: 0.9375rem; font-weight: 300; max-width: 28rem; line-height: 1.7; color: hsl(36, 18%, 80%); margin-bottom: var(--space-8); }

.hero__scroll { position: absolute; bottom: var(--space-8); right: var(--space-8); z-index: 20; display: flex; flex-direction: column; align-items: center; gap: var(--space-3); }
.hero__scroll-line { width: 1px; height: 4rem; background: hsl(36, 18%, 70%, 0.5); }
.hero__scroll-text { font-size: 9px; letter-spacing: 0.3em; text-transform: uppercase; color: hsl(36, 18%, 70%); writing-mode: vertical-rl; }

/* ============================================
   SECTIONS
============================================ */
.section { padding: 6rem var(--space-8); }
.section--dark { background: var(--color-dark-bg); color: var(--color-pergament); }
.section__label { margin-bottom: 0.75rem; }
.section__heading { margin-bottom: var(--space-8); }
.section__rule { width: 3rem; height: 1px; background: var(--color-cello); margin-top: var(--space-6); }

/* ============================================
   ÜBER UNS
============================================ */
.about__cols { display: grid; grid-template-columns: 1fr; gap: var(--space-12); margin-top: var(--space-8); }
.about__text { font-size: var(--text-base); line-height: 1.7; }

.about-split { display: flex; flex-direction: column; }
.about-split__img { width: 100%; overflow: hidden; position: relative; aspect-ratio: 4/3; }
.about-split__img img { width: 100%; height: 100%; object-fit: cover; }
.about-split__text { padding: var(--space-12) var(--space-8); background: var(--color-muted-light); }

.orchester-split { display: flex; flex-direction: column; }
.orchester-split__img { width: 100%; overflow: hidden; aspect-ratio: 3/4; }
.orchester-split__img img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.orchester-split__text { padding: var(--space-12) var(--space-8); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); padding-top: var(--space-8); border-top: 1px solid var(--color-muted-light); margin-top: 2.5rem; }
.stats__value { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); font-weight: 600; color: var(--color-cello); }
.stats__label { font-size: var(--text-xs); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-muted); margin-top: 0.25rem; }

/* ============================================
   TERMINE
============================================ */
.concert-split { display: flex; flex-direction: column; }
.concert-split__img { width: 100%; overflow: hidden; position: relative; aspect-ratio: 16/9; }
.concert-split__img img { width: 100%; height: 100%; object-fit: cover; }
.concert-split__info { padding: var(--space-12) var(--space-8); background: var(--color-dark-bg); }
.concert-split__tag { margin-bottom: var(--space-6); }
.concert-split__title { font-size: clamp(1.75rem, 4vw, 2.25rem); color: var(--color-pergament); margin-bottom: var(--space-6); }
.concert-split__detail { font-size: var(--text-sm); color: hsl(36, 18%, 75%); margin-bottom: var(--space-2); }
.concert-split__location { font-size: var(--text-sm); color: hsl(36, 18%, 60%); line-height: 1.6; margin-bottom: var(--space-8); }

.proben-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--color-muted-light); margin-top: var(--space-8); }
.proben-item { padding: 1.25rem var(--space-6); background: var(--color-pergament); }
.proben-item__date { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.proben-item__time { font-size: var(--text-xs); letter-spacing: 0.05em; color: var(--color-cello); margin-bottom: 0.25rem; }
.proben-item__note { font-size: var(--text-xs); color: var(--color-muted); }

/* ============================================
   GALERIE
============================================ */
.galerie-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--color-dark-bg-deep); }
.galerie-item { position: relative; overflow: hidden; background: var(--color-dark-bg); aspect-ratio: 4/3; }
.galerie-item--large { grid-column: span 2; grid-row: span 2; }
.galerie-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s; }
.galerie-item:hover img { transform: scale(1.05); }
.galerie-item__caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: var(--space-4); background: hsl(18, 5%, 11%, 0.85);
  font-size: 0.625rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: hsl(36, 18%, 80%); opacity: 0; transition: opacity 0.3s;
}
.galerie-item:hover .galerie-item__caption { opacity: 1; }

/* ============================================
   KONTAKT
============================================ */
.kontakt-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-16); }
.kontakt__heading { font-size: var(--space-6); margin-bottom: var(--space-6); }
.kontakt__text { font-size: var(--text-sm); line-height: 1.7; margin-bottom: var(--space-4); }
.kontakt__detail-label { font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-cello); margin-bottom: 0.25rem; }
.kontakt__detail-value { font-size: var(--text-sm); }
.kontakt__detail-sub { font-size: var(--text-sm); color: var(--color-muted); }
.kontakt__detail + .kontakt__detail { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid var(--color-muted-light); }
.kontakt__link { font-size: var(--text-xs); color: var(--color-muted); transition: color 0.2s; }
.kontakt__link:hover { color: var(--color-cello); }

/* ============================================
   FOOTER
============================================ */
.footer { border-top: 1px solid var(--color-muted-light); padding: var(--space-12) var(--space-8); background: var(--color-dark-bg); }
.footer__top { display: flex; flex-direction: column; gap: var(--space-8); }
.footer__name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-pergament); }
.footer__sub { font-size: var(--text-xs); letter-spacing: 0.05em; color: hsl(36, 18%, 55%); }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-6); }
.footer__nav a { font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: hsl(36, 18%, 55%); transition: color 0.2s; }
.footer__nav a:hover { color: var(--color-cello); }
.footer__bottom { margin-top: 2.5rem; padding-top: var(--space-6); border-top: 1px solid hsl(36, 18%, 20%); display: flex; flex-direction: column; gap: var(--space-4); }
.footer__copy { font-size: var(--text-xs); color: hsl(36, 18%, 40%); }
.footer__legal { display: flex; gap: var(--space-6); }
.footer__legal a { font-size: var(--text-xs); color: hsl(36, 18%, 40%); transition: color 0.2s; }
.footer__legal a:hover { color: var(--color-cello); }

/* ============================================
   RESPONSIVE
============================================ */
@media (min-width: 768px) {
  .hero__top, .hero__bottom, .section, .sticky-header__inner { padding-left: var(--space-12); padding-right: var(--space-12); }
  .about__cols { grid-template-columns: 1fr 1fr; }
  .kontakt-grid { grid-template-columns: 1fr 1fr; }
  .proben-grid { grid-template-columns: 1fr 1fr; }
  .sticky-header__nav { display: flex; }
  .footer__top { flex-direction: row; justify-content: space-between; align-items: center; }
  .footer__bottom { flex-direction: row; justify-content: space-between; }
  .menu-overlay__content { padding: 0 6rem; }
}

@media (min-width: 1024px) {
  .about-split { flex-direction: row-reverse; }
  .about-split__img { width: 65%; height: 600px; aspect-ratio: unset; }
  .about-split__text { width: 35%; display: flex; flex-direction: column; justify-content: center; padding: var(--space-12) var(--space-16); }

  .orchester-split { flex-direction: row; }
  .orchester-split__img { width: 40%; height: 560px; aspect-ratio: unset; }
  .orchester-split__text { width: 60%; padding: var(--space-20); display: flex; flex-direction: column; justify-content: center; }

  .concert-split { flex-direction: row; }
  .concert-split__img { width: 65%; height: 520px; aspect-ratio: unset; }
  .concert-split__info { width: 35%; display: flex; flex-direction: column; justify-content: center; padding: var(--space-16); }

  .proben-grid { grid-template-columns: repeat(3, 1fr); }
  .galerie-grid { grid-template-columns: repeat(4, 1fr); }
}