/* Musikraum — DesignSystem rebuild
   Static export: shared tokens, components and website patterns.
*/

@layer reset, tokens, base, components, patterns, pages;

/* ----------------------------- */
/* reset */
/* ----------------------------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
  }
  body {
    margin: 0;
    min-height: 100svh;
  }
  img, picture, svg {
    display: block;
    max-width: 100%;
  }
  a { color: inherit; }
  button, input, textarea, select {
    font: inherit;
  }
}

/* ----------------------------- */
/* tokens */
/* ----------------------------- */
@layer tokens {
  :root {
    color-scheme: light;

    --color-bg-primary: #f8f4ec;
    --color-bg-secondary: #efe4d2;
    --color-surface: #fffaf1;
    --color-surface-elevated: #ffffff;
    --color-surface-subtle: #fbf1df;

    --color-text-primary: #2e241b;
    --color-text-secondary: #786756;
    --color-text-tertiary: #9a8774;
    --color-text-on-dark: #fff8ed;

    --color-border-light: #eadfce;
    --color-border: #e4d4c0;
    --color-border-dark: #c7aa82;

    --color-interactive: #9b5a2e;
    --color-interactive-hover: #6d3e22;
    --color-interactive-dark: #6d3e22;
    --color-interactive-light: #efd2b7;

    --color-accent-gold: #d7a24b;
    --color-accent-sage: #66734f;
    --color-dark-warm: #34251b;

    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --font-xs: .78rem;
    --font-sm: .9rem;
    --font-base: 1rem;
    --font-lg: clamp(1.08rem, 1vw + .9rem, 1.25rem);
    --font-xl: clamp(1.18rem, 1.2vw + .95rem, 1.45rem);
    --font-2xl: clamp(1.5rem, 2vw + 1rem, 2.3rem);
    --font-3xl: clamp(2rem, 4vw, 3.4rem);
    --font-4xl: clamp(3rem, 8vw, 6.8rem);

    --fw-400: 400;
    --fw-500: 500;
    --fw-600: 600;
    --fw-700: 700;
    --fw-800: 800;

    --lh-tight: 1.05;
    --lh-base: 1.65;
    --lh-loose: 1.78;

    --ls-tight: -0.065em;
    --ls-wide: .14em;

    --space-2: .125rem;
    --space-4: .25rem;
    --space-8: .5rem;
    --space-12: .75rem;
    --space-16: 1rem;
    --space-20: 1.25rem;
    --space-24: 1.5rem;
    --space-32: 2rem;
    --space-40: 2.5rem;
    --space-48: 3rem;
    --space-64: 4rem;
    --space-80: 5rem;
    --space-96: 6rem;

    --radius-sm: .65rem;
    --radius-md: 1rem;
    --radius-lg: 1.45rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.35rem;
    --radius-full: 999px;

    --elevation-0: none;
    --elevation-1: 0 1px 2px rgba(48, 31, 18, .07);
    --elevation-2: 0 12px 28px rgba(48, 31, 18, .10);
    --elevation-3: 0 20px 55px rgba(48, 31, 18, .13);

    --duration-fast: 160ms;
    --easing-fast: ease;

    --container: 1160px;
    --section-py: clamp(4rem, 8vw, 7rem);

    --btn-bg: var(--color-interactive);
    --btn-fg: white;
    --btn-radius: var(--radius-full);
    --btn-border: transparent;

    --card-bg: var(--color-surface);
    --card-border: 1px solid var(--color-border);
    --card-radius: var(--radius-xl);
    --card-shadow: var(--elevation-2);
    --card-padding: var(--space-24);

    --focus-ring: 3px solid color-mix(in oklch, var(--color-interactive) 40%, transparent);
  }
}

/* ----------------------------- */
/* base */
/* ----------------------------- */
@layer base {
  body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background:
      radial-gradient(circle at 12% 0%, rgba(215, 162, 75, .18), transparent 28rem),
      radial-gradient(circle at 90% 8%, rgba(102, 115, 79, .14), transparent 25rem),
      var(--color-bg-primary);
    line-height: var(--lh-base);
  }

  :focus-visible {
    outline: var(--focus-ring);
    outline-offset: 3px;
  }

  .container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
  }

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

  .section--warm {
    background: color-mix(in oklch, var(--color-bg-secondary) 62%, white);
    border-block: 1px solid var(--color-border-light);
  }

  .flow > * + * {
    margin-block-start: var(--space-16);
  }

  .flow p {
    color: var(--color-text-secondary);
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    white-space: nowrap;
    clip-path: inset(50%);
  }
}

/* ----------------------------- */
/* components */
/* ----------------------------- */
@layer components {
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    min-height: 2.75rem;
    padding: .75rem 1.2rem;
    color: var(--btn-fg);
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    border-radius: var(--btn-radius);
    font-size: var(--font-base);
    font-weight: var(--fw-700);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: transform var(--duration-fast) var(--easing-fast), background var(--duration-fast) var(--easing-fast);
  }

  .btn:hover {
    background: var(--color-interactive-hover);
    transform: translateY(-1px);
  }

  .btn--secondary {
    --btn-bg: transparent;
    --btn-fg: var(--color-interactive-dark);
    --btn-border: var(--color-border-dark);
  }

  .btn--secondary:hover {
    background: var(--color-interactive-light);
    color: var(--color-interactive-dark);
  }

  .btn--ghost {
    --btn-bg: transparent;
    --btn-fg: var(--color-interactive-dark);
    --btn-border: transparent;
    box-shadow: none;
  }

  .btn--light {
    --btn-bg: white;
    --btn-fg: var(--color-interactive-dark);
  }

  .btn--sm {
    min-height: 2.35rem;
    padding: .55rem .9rem;
    font-size: var(--font-sm);
  }

  .btn--lg {
    min-height: 3.15rem;
    padding: .9rem 1.4rem;
    font-size: var(--font-lg);
  }

  .card {
    display: grid;
    gap: var(--space-12);
    padding: var(--card-padding);
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
  }

  .card--flat {
    --card-shadow: var(--elevation-0);
  }

  .card--bordered {
    --card-border: 2px solid var(--color-border-dark);
    --card-shadow: var(--elevation-0);
  }

  .card h2,
  .card h3 {
    margin: 0;
    font-size: var(--font-lg);
    line-height: var(--lh-tight);
    letter-spacing: -.025em;
  }

  .card p {
    margin: 0;
    color: var(--color-text-secondary);
  }

  .timeline {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: .85rem 1fr;
    column-gap: var(--space-16);
  }

  .timeline__item:not(:last-child)::before {
    content: "";
    position: absolute;
    inset-block-start: .45rem;
    inset-block-end: 0;
    inset-inline-start: .425rem;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
  }

  .timeline__marker {
    position: relative;
    z-index: 1;
    width: .85rem;
    height: .85rem;
    margin-block-start: .35rem;
    background: var(--color-surface);
    border: 2px solid var(--color-border-dark);
    border-radius: var(--radius-full);
  }

  .timeline__marker--current {
    background: var(--color-interactive);
    border-color: var(--color-interactive);
    box-shadow: 0 0 0 4px var(--color-interactive-light);
  }

  .timeline__body {
    padding-block-end: var(--space-24);
  }

  .timeline__title {
    display: block;
    margin-block-end: var(--space-4);
    font-weight: var(--fw-700);
  }

  .timeline__body p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
  }

  .input,
  .textarea {
    width: 100%;
    min-height: 2.8rem;
    padding: .75rem .9rem;
    color: var(--color-text-primary);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
  }

  .textarea {
    min-height: 8rem;
    resize: vertical;
  }

  .field {
    display: grid;
    gap: var(--space-8);
  }

  .field__label {
    font-weight: var(--fw-700);
  }
}

/* ----------------------------- */
/* patterns */
/* ----------------------------- */
@layer patterns {
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background: color-mix(in oklch, var(--color-surface) 88%, transparent);
    border-block-end: 1px solid var(--color-border-light);
    backdrop-filter: blur(18px);
  }

  .site-header__inner {
    display: flex;
    min-height: 4.65rem;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-24);
  }

  .site-header__brand {
    display: inline-flex;
    align-items: center;
    color: var(--color-text-primary);
    font-weight: var(--fw-800);
    text-decoration: none;
  }

  .brand-mark {
    display: inline-grid;
    gap: var(--space-2);
    line-height: 1.05;
  }

  .brand-mark span {
    color: var(--color-text-secondary);
    font-size: var(--font-xs);
    font-weight: var(--fw-500);
  }

  .site-header__nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-20);
  }

  .site-header__link {
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
    font-weight: var(--fw-700);
    text-decoration: none;
  }

  .site-header__link:hover,
  .site-header__link[aria-current="page"] {
    color: var(--color-text-primary);
  }

  .hero {
    padding-block: clamp(5rem, 10vw, 9rem);
    background:
      radial-gradient(circle at 12% 0%, rgba(215, 162, 75, .18), transparent 28rem),
      radial-gradient(circle at 90% 8%, rgba(102, 115, 79, .14), transparent 25rem),
      var(--color-bg-primary);
    overflow: hidden;
  }

  .hero__inner {
    display: grid;
    align-items: center;
    gap: clamp(2.5rem, 6vw, 5rem);
  }

  .hero__content {
    display: grid;
    gap: var(--space-20);
    max-width: 780px;
  }

  .eyebrow,
  .hero__eyebrow,
  .section-head__eyebrow {
    margin: 0;
    color: var(--color-interactive-dark);
    font-size: var(--font-xs);
    font-weight: var(--fw-800);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
  }

  .hero__title {
    margin: 0;
    max-width: 11ch;
    font-size: var(--font-4xl);
    line-height: .92;
    letter-spacing: var(--ls-tight);
  }

  .hero__lead {
    margin: 0;
    max-width: 62ch;
    color: var(--color-text-secondary);
    font-size: var(--font-xl);
    line-height: var(--lh-loose);
  }

  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-12);
    padding-block-start: var(--space-8);
  }

  .section-head {
    display: grid;
    gap: var(--space-12);
    max-width: 790px;
    margin-block-end: var(--space-32);
  }

  .section-head--center {
    margin-inline: auto;
    text-align: center;
  }

  .section-head__title {
    margin: 0;
    font-size: var(--font-3xl);
    line-height: var(--lh-tight);
    letter-spacing: var(--ls-tight);
  }

  .section-head__lead {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-lg);
  }

  .trustbar {
    padding-block: var(--space-20);
    background: var(--color-surface);
    border-block: 1px solid var(--color-border-light);
  }

  .trustbar__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-16);
  }

  .trustbar__item {
    padding: var(--space-16);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
  }

  .trustbar__value {
    display: block;
    color: var(--color-interactive-dark);
    font-size: var(--font-lg);
    line-height: 1.2;
  }

  .trustbar__label {
    display: block;
    margin-block-start: var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
  }

  .service-grid,
  .feature-grid {
    display: grid;
    gap: var(--space-16);
  }

  .service-card,
  .feature-card {
    display: grid;
    gap: var(--space-12);
    padding: var(--space-24);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--elevation-1);
  }

  .service-card--featured,
  .feature-card--featured {
    border-width: 2px;
    border-color: var(--color-interactive);
    box-shadow: var(--elevation-2);
  }

  .service-card__icon,
  .feature-card__icon {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    aspect-ratio: 1;
    color: var(--color-interactive-dark);
    background: var(--color-interactive-light);
    border-radius: var(--radius-full);
    font-weight: var(--fw-800);
  }

  .service-card__title,
  .feature-card__title {
    margin: 0;
    font-size: var(--font-lg);
    line-height: 1.2;
  }

  .service-card__text,
  .feature-card__text {
    margin: 0;
    color: var(--color-text-secondary);
  }

  .service-card__more,
  .feature-card__more {
    color: var(--color-interactive-dark);
    font-weight: var(--fw-800);
    text-decoration: none;
  }

  .editorial-split {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .editorial-split--boxed {
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--elevation-2);
  }

  .editorial-split__content {
    display: grid;
    gap: var(--space-16);
  }

  .editorial-split__content p {
    margin: 0;
    color: var(--color-text-secondary);
  }

  .contact-section {
    display: grid;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .contact-card {
    display: grid;
    gap: var(--space-16);
    padding: var(--space-24);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--elevation-2);
  }

  .contact-card h3 {
    margin: 0;
  }

  .cta-band {
    display: grid;
    gap: var(--space-20);
    padding: clamp(1.5rem, 5vw, 4rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--elevation-2);
  }

  .cta-band--strong {
    color: var(--color-text-on-dark);
    background:
      radial-gradient(circle at top right, rgba(215, 162, 75, .35), transparent 19rem),
      var(--color-dark-warm);
    border-color: transparent;
  }

  .cta-band__title {
    margin: 0;
    font-size: var(--font-3xl);
    line-height: var(--lh-tight);
    letter-spacing: var(--ls-tight);
  }

  .cta-band__text {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-lg);
  }

  .cta-band--strong .cta-band__text {
    color: color-mix(in oklch, white 76%, transparent);
  }

  .site-footer {
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border-block-start: 1px solid var(--color-border-light);
  }

  .site-footer__inner {
    display: grid;
    gap: var(--space-32);
    padding-block: var(--space-48);
  }

  .site-footer__grid {
    display: grid;
    gap: var(--space-24);
  }

  .site-footer__title {
    margin: 0 0 var(--space-12);
    color: var(--color-text-primary);
    font-weight: var(--fw-800);
  }

  .site-footer__link {
    color: inherit;
    text-decoration: none;
  }

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

  .site-footer ul {
    display: grid;
    gap: var(--space-8);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-12);
    align-items: center;
    justify-content: space-between;
    padding-block-start: var(--space-24);
    border-block-start: 1px solid var(--color-border-light);
    font-size: var(--font-sm);
  }
}

/* ----------------------------- */
/* page-specific helpers */
/* ----------------------------- */
@layer pages {
  .musikraum-orbit {
    position: relative;
    min-height: 430px;
    display: grid;
    place-items: center;
    padding: var(--space-32);
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(215, 162, 75, .18), transparent 11rem), var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--elevation-3);
  }

  .musikraum-orbit::before,
  .musikraum-orbit::after {
    content: "";
    position: absolute;
    width: 22rem;
    aspect-ratio: 1;
    border: 1px solid color-mix(in oklch, var(--color-interactive) 28%, transparent);
    border-radius: var(--radius-full);
  }

  .musikraum-orbit::before { transform: translate(-19%, -12%); }
  .musikraum-orbit::after { width: 31rem; transform: translate(18%, 10%); }

  .musikraum-orbit__content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-16);
    max-width: 28rem;
    text-align: center;
  }

  .musikraum-note {
    width: 8rem;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    margin-inline: auto;
    color: var(--color-interactive-dark);
    background: var(--color-interactive-light);
    border-radius: var(--radius-full);
    font-size: 3.1rem;
    font-weight: var(--fw-800);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--color-interactive-dark) 18%, transparent);
  }

  .musikraum-panel {
    padding: var(--space-16);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--elevation-3);
  }

  .musikraum-panel img,
  .musikraum-panel svg {
    width: 100%;
    border-radius: var(--radius-xl);
  }

  .musikraum-panel figcaption {
    margin-block-start: var(--space-12);
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
  }

  .benefit-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-12);
    align-items: start;
  }

  .benefit-card::before {
    content: "";
    width: .75rem;
    aspect-ratio: 1;
    margin-block-start: .55rem;
    background: var(--color-accent-gold);
    border-radius: var(--radius-full);
  }

  .facts-list {
    display: grid;
    gap: 0;
    margin: 0;
  }

  .facts-list > div {
    display: grid;
    grid-template-columns: minmax(7rem, .45fr) 1fr;
    gap: var(--space-16);
    padding-block: var(--space-12);
    border-block-end: 1px solid var(--color-border-light);
  }

  .facts-list > div:last-child { border-block-end: 0; }
  .facts-list dt { color: var(--color-text-tertiary); font-weight: var(--fw-700); }
  .facts-list dd { margin: 0; color: var(--color-text-primary); font-weight: var(--fw-700); }

  .check-list {
    display: grid;
    gap: var(--space-12);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .check-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-12);
    color: var(--color-text-secondary);
  }

  .check-list li::before {
    content: "✓";
    display: inline-grid;
    place-items: center;
    width: 1.55rem;
    aspect-ratio: 1;
    color: var(--color-interactive-dark);
    background: var(--color-interactive-light);
    border-radius: var(--radius-full);
    font-weight: var(--fw-800);
  }

  .booking-placeholder {
    margin-block-start: var(--space-24);
    padding: var(--space-20);
    color: color-mix(in oklch, white 78%, transparent);
    border: 1px dashed color-mix(in oklch, white 32%, transparent);
    border-radius: var(--radius-xl);
  }

  .legal-content {
    max-width: 860px;
  }

  .legal-content h2 {
    margin-block-start: var(--space-40);
    font-size: var(--font-2xl);
    letter-spacing: -.04em;
  }

  .legal-content p,
  .legal-content li {
    color: var(--color-text-secondary);
  }

  .form-grid {
    display: grid;
    gap: var(--space-16);
  }
}

/* ----------------------------- */
/* responsive */
/* ----------------------------- */
@media (min-width: 720px) {
  .trustbar__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cta-band--split { grid-template-columns: 1fr auto; align-items: center; }
  .site-footer__grid { grid-template-columns: 1.3fr repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 920px) {
  .hero__inner,
  .editorial-split,
  .contact-section {
    grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  }
}

@media (max-width: 760px) {
  .site-header__nav { display: none; }
  .site-header__inner > .btn { display: none; }
  .hero__title { max-width: 10ch; }
  .facts-list > div { grid-template-columns: 1fr; gap: var(--space-4); }
}



/* Final Clear additions: keeps the clearer DesignSystem variant as the primary UX. */
:root {
  --ds-final-principle: "clarity-first, atmosphere-second";
}

[data-seminar-booking] {
  color-scheme: light;
  --booking-accent: var(--color-interactive);
  --booking-bg: var(--color-bg-primary);
  --booking-surface: var(--color-surface);
  --booking-text: var(--color-text-primary);
  --booking-muted: var(--color-text-secondary);
  --booking-border: var(--color-border);
}

.site-header__nav {
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  .site-header__nav {
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .site-header__inner {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .site-header__inner > .btn {
    display: none;
  }
}