/* ==========================================================================
   Duo Infatico – Violine & Gitarre
   style.css · mobile-first · kein Framework
   ========================================================================== */

/* ---------- Design-Tokens ---------- */
:root {
  --bg:          #f5f0e8;
  --bg-alt:      #ece4d6;
  --bg-deep:     #2c2418;
  --text:        #2c2418;
  --text-soft:   #5c5140;
  --text-muted:  #8a7d68;
  --accent:      #b8860b;
  --accent-soft: #d8b45a;
  --line:        #d9cfbc;
  --white:       #fffdf8;

  --font-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;

  --wrap: 1120px;
  --radius: 4px;
  --space-section: 4.5rem;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --t-fast: .18s var(--ease);
  --t-mid:  .35s var(--ease);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  margin: 0;
  letter-spacing: .01em;
}

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Layout-Helfer ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

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

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

.section-head {
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

.section-kicker {
  margin: 0 0 .6rem;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.9rem, 7vw, 2.9rem);
}

.section-sub {
  margin-top: 1rem;
  color: var(--text-soft);
  max-width: 40rem;
}

.lead {
  font-size: clamp(1.05rem, 3.6vw, 1.3rem);
  line-height: 1.65;
  color: var(--text);
}

.placeholder-text {
  color: var(--text-muted);
  font-style: italic;
}

.note {
  margin-top: 1.75rem;
  font-size: .82rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-soft);
  padding-left: .9rem;
}

.note-tight { margin-top: 1.1rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg-deep);
  color: var(--white);
  padding: .6rem 1rem;
  z-index: 200;
}
.skip-link:focus {
  left: .5rem;
  top: .5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .8rem 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: .86rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--bg-deep);
  border-color: var(--bg-deep);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 253, 248, .55);
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--white);
  color: var(--bg-deep);
  border-color: var(--white);
}

.btn-full { width: 100%; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(245, 240, 232, .82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-mid), border-color var(--t-mid);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: .82rem;
  letter-spacing: .04em;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

/* Burger */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile-Navigation */
.primary-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.25rem 1.5rem;
  display: none;
}
.primary-nav.is-open { display: block; }

.primary-nav ul {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin-bottom: 1.2rem;
}
.primary-nav a {
  display: block;
  padding: .55rem 0;
  font-size: .95rem;
  border-bottom: 1px solid rgba(217, 207, 188, .6);
  transition: color var(--t-fast), padding-left var(--t-fast);
}
.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--accent);
  padding-left: .35rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.lang-btn {
  background: none;
  border: 0;
  padding: .25rem .1rem;
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.lang-sep { color: var(--line); font-size: .8rem; }

/* Desktop-Navigation */
@media (min-width: 860px) {
  .nav-toggle { display: none; }

  .primary-nav {
    position: static;
    display: flex !important;
    align-items: center;
    gap: 2rem;
    background: none;
    border: 0;
    padding: 0;
  }
  .primary-nav ul {
    flex-direction: row;
    gap: 1.9rem;
    margin: 0;
  }
  .primary-nav a {
    padding: 0;
    border: 0;
    font-size: .88rem;
    letter-spacing: .03em;
  }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 16, 11, .62) 0%, rgba(20, 16, 11, .48) 45%, rgba(20, 16, 11, .78) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 7rem 6rem;
  color: var(--white);
  max-width: 44rem;
}

.hero-kicker {
  margin: 0 0 1.1rem;
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.hero-title {
  font-size: clamp(2.9rem, 15vw, 6.5rem);
  letter-spacing: .02em;
  margin-bottom: .5rem;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 5vw, 1.75rem);
  font-style: italic;
  color: var(--accent-soft);
  margin-bottom: 1.25rem;
}

.hero-names {
  font-size: .82rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 253, 248, .78);
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  align-items: stretch;
  max-width: 20rem;
  margin-inline: auto;
}
@media (min-width: 520px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 1;
  display: none;
}
@media (min-width: 860px) { .scroll-hint { display: block; } }
.scroll-line {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0), var(--accent-soft));
}

/* ==========================================================================
   ÜBER UNS
   ========================================================================== */
.about-intro {
  max-width: 44rem;
  margin-bottom: 3rem;
}

/* zweiter Absatz der Einleitung: etwas kleiner und ruhiger als .lead */
.about-intro-sub {
  margin-top: 1.15rem;
  max-width: 40rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.duo-figure {
  margin: 0 0 3.5rem;
}
.duo-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-alt);
}
.duo-figure figcaption {
  margin-top: .75rem;
  font-size: .8rem;
  color: var(--text-muted);
}

.bio-grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 760px) {
  .bio-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.bio-card {
  border-top: 1px solid var(--line);
  padding-top: 1.75rem;
}
.bio-photo {
  width: 100%;
  max-width: 300px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-bottom: 1.4rem;
}
.bio-name {
  font-size: 1.5rem;
  margin-bottom: .2rem;
}
/* Untertitel unter dem Namen: kleiner, Akzentfarbe, kein Kursiv */
.bio-role {
  margin: 0 0 1.15rem;
  font-size: .84rem;
  letter-spacing: .02em;
  font-style: normal;
  color: var(--accent);
}
.bio-text {
  font-size: .95rem;
  line-height: 1.75;
}
.bio-text p {
  margin: 0 0 .95rem;
}
.bio-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   MUSIK
   ========================================================================== */
.track-list {
  display: grid;
  gap: 1.25rem;
}
.track {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
@media (min-width: 760px) {
  .track {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.5rem 1.75rem;
  }
}
.track-info {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (min-width: 760px) {
  .track-info { margin-bottom: 0; }
}
.track-num {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--accent);
  line-height: 1.4;
}
.track-title {
  font-size: 1.2rem;
  margin-bottom: .15rem;
}
.track-meta {
  margin: 0;
  font-size: .82rem;
  color: var(--text-muted);
}
.track-audio {
  width: 100%;
  max-width: 100%;
  height: 40px;
  filter: sepia(.35) saturate(.7);
}
@media (min-width: 760px) {
  .track-audio { width: 320px; flex: 0 0 auto; }
}

/* ==========================================================================
   VIDEOS
   ========================================================================== */
.video-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 780px) {
  .video-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

.video-item { margin: 0; }

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, #3d3225 0%, #241d14 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  place-content: center;
  justify-items: center;
  gap: .9rem;
  color: rgba(255, 253, 248, .82);
  transition: transform var(--t-mid);
}
.video-frame:hover { transform: translateY(-3px); }

.video-play {
  width: 54px;
  height: 54px;
  border: 1px solid var(--accent-soft);
  border-radius: 50%;
  position: relative;
}
.video-play::after {
  content: "";
  position: absolute;
  left: 55%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-left: 12px solid var(--accent-soft);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.video-label {
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.video-item figcaption {
  margin-top: .75rem;
  font-size: .8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   KONZERTE
   ========================================================================== */
.concert-table {
  border-top: 1px solid var(--line);
}

.concert-row {
  display: grid;
  gap: .3rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 720px) {
  .concert-row {
    grid-template-columns: 11rem 1fr 12rem;
    align-items: baseline;
    gap: 1.5rem;
  }
}

.concert-head {
  display: none;
}
@media (min-width: 720px) {
  .concert-head {
    display: grid;
    font-size: .72rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-block: .75rem;
  }
}

.c-date {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--accent);
}
.c-venue { font-size: 1rem; }
.c-city { font-size: .92rem; color: var(--text-soft); }

/* ==========================================================================
   KONTAKT
   ========================================================================== */
.contact-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
  }
}

.contact-lead {
  font-size: 1.08rem;
  margin-bottom: 2rem;
}

.contact-list {
  margin: 0 0 1.5rem;
  display: grid;
  gap: 1.1rem;
}
.contact-item dt {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .2rem;
}
.contact-item dd {
  margin: 0;
  font-size: 1.05rem;
}
.contact-item a {
  border-bottom: 1px solid var(--accent-soft);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.contact-item a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
@media (min-width: 520px) {
  .contact-form { padding: 2rem; }
}

.field { margin-bottom: 1.15rem; }
.field label {
  display: block;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: .45rem;
}
.field input,
.field textarea {
  width: 100%;
  padding: .75rem .85rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: .95rem;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}
.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: var(--white);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }

.field.has-error input,
.field.has-error textarea { border-color: #a8412c; }

.form-status {
  margin: .9rem 0 0;
  font-size: .88rem;
  min-height: 1.2em;
}
.form-status.is-ok { color: #4a6b3a; }
.form-status.is-error { color: #a8412c; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 253, 248, .72);
  padding-block: 3rem;
  text-align: center;
}
.footer-inner > * { margin: 0 0 .5rem; }
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--white);
}
.footer-line {
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-soft);
}
.footer-copy,
.footer-links { font-size: .8rem; }
.footer-links a {
  border-bottom: 1px solid rgba(255, 253, 248, .3);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.footer-links a:hover {
  color: var(--accent-soft);
  border-color: var(--accent-soft);
}

/* ==========================================================================
   Reduzierte Bewegung
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* ==========================================================================
   Druck
   ========================================================================== */
@media print {
  .site-header, .scroll-hint, .contact-form, .track-audio, .video-frame { display: none; }
  body { background: #fff; }
  .hero { min-height: auto; color: var(--text); }
  .hero-media { display: none; }
  .hero-content { color: var(--text); padding-block: 2rem; }
}