/* ==========================================================================
   GALERIE 9 – Elke Bührmann
   Stylesheet v1.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-black: #1a1a1a;
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;

  --color-bg: var(--color-white);
  --color-text: var(--color-black);
  --color-text-muted: var(--color-gray-500);
  --color-border: var(--color-gray-200);
  --color-footer-bg: var(--color-gray-900);
  --color-footer-text: var(--color-gray-300);

  /* Typography */
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;

  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 5rem;
  --space-4xl: 6rem;
  --space-section: clamp(3rem, 6vw, 6rem);

  /* Layout */
  --container-max: 1600px;
  --container-narrow: 800px;
  --container-padding: clamp(1.25rem, 4vw, 2.5rem);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   2. Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
  line-height: var(--leading-tight);
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-lg);
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
}

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

strong,
b {
  font-weight: 600;
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--text-sm);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* --------------------------------------------------------------------------
   3. Layout – Container & Sections
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

.section--no-top {
  padding-top: 0;
}

.section--no-bottom {
  padding-bottom: 0;
}

.main-content {
  flex: 1;
}

/* --------------------------------------------------------------------------
   4. Grid System
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

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

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

.grid--6 {
  grid-template-columns: repeat(6, 1fr);
}

.grid--2-1 {
  grid-template-columns: 1fr 1fr;
}

.grid--content-form {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

@media (max-width: 992px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--content-form {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 640px) {

  .grid--2,
  .grid--3,
  .grid--4,
  .grid--2-1 {
    grid-template-columns: 1fr;
  }

  .grid--6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  max-width: 100%;
  margin: 0 auto;
  padding-left: clamp(1rem, 3vw, 3rem);
  padding-right: clamp(1rem, 3vw, 3rem);
}

/* Logo */
.site-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  white-space: nowrap;
}

.site-logo__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0;
}

.site-logo__title span {
  font-size: 1.3em;
}

.site-logo__subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-600);
  margin-top: 2px;
}

/* Navigation */
#nav {
  display: flex;
  align-items: center;
}

#nav ul {
  display: flex;
  gap: clamp(0.5rem, 1.2vw, 1.5rem);
}

#nav a {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 500;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-base);
}

#nav a:hover,
#nav li.active a {
  border-bottom-color: var(--color-black);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Social Icons */
.social-icons {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-black);
  color: var(--color-white);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.social-icon:hover {
  background-color: var(--color-gray-700);
  transform: scale(1.05);
}

.social-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Social icons large variant (for Kontakt page) */
.social-icon--lg {
  width: 48px;
  height: 48px;
}

.social-icon--lg svg {
  width: 22px;
  height: 22px;
}

/* Header responsive */
@media (max-width: 1700px) {
  .site-header__inner {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  #nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    z-index: 105;
  }

  #nav.is-open {
    transform: translateX(0);
  }

  #nav ul {
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
  }

  #nav a {
    font-size: var(--text-xl);
  }

  .site-logo {
    position: static;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   6. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-xl) 0;
  margin-top: auto;
}

.site-footer__inner {
  text-align: center;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.site-footer a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   7. Card Component
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
}

.card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: var(--space-sm);
}

.card__image--square {
  aspect-ratio: 1 / 1;
}

.card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.card__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   8. Button Component
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--primary:hover {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-800);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn--outline:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   9. Form Component
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: 4px;
}

.form-label__hint {
  display: block;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-input,
.form-textarea {
  display: block;
  width: 100%;
  padding: 0.75rem;
  font-size: var(--text-base);
  border: 1px solid var(--color-gray-300);
  background-color: var(--color-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   10. Accordion Component
   -------------------------------------------------------------------------- */
.accordion {
  border-top: 1px solid var(--color-border);
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-sm) 0;
  font-size: var(--text-base);
  font-weight: 400;
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition-fast);
}

.accordion__trigger:hover {
  color: var(--color-gray-600);
}

.accordion__icon {
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion__inner {
  padding-bottom: var(--space-lg);
}

.accordion__entry {
  margin-bottom: var(--space-md);
}

.accordion__entry:last-child {
  margin-bottom: 0;
}

.accordion__entry-title {
  font-weight: 600;
  font-size: var(--text-base);
}

.accordion__entry-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   11. Gallery Component
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  gap: var(--space-md);
}

.gallery--6 {
  grid-template-columns: repeat(6, 1fr);
}

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

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

.gallery__item {
  overflow: hidden;
}

.gallery__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-base);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.03);
  opacity: 0.9;
}

.gallery__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.gallery__feature {
  margin-top: var(--space-2xl);
}

.gallery__feature-image {
  width: 100%;
  height: auto;
}

@media (max-width: 992px) {
  .gallery--6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .gallery--4,
  .gallery--6 {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery--3 {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   12. Press Article Component
   -------------------------------------------------------------------------- */
.press-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.press-article--reverse {
  direction: rtl;
}

.press-article--reverse>* {
  direction: ltr;
}

.press-article__image {
  width: 100%;
  height: auto;
}

.press-article__content {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.press-article__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.press-article__source {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.press-article__quote {
  font-style: italic;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {

  .press-article,
  .press-article--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* --------------------------------------------------------------------------
   13. Artist Portrait Component
   -------------------------------------------------------------------------- */
.artist-portrait {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.artist-portrait__image-wrap {
  flex-shrink: 0;
}

.artist-portrait__image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
}

.artist-portrait__content {
  flex: 1;
}

@media (max-width: 640px) {
  .artist-portrait {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .artist-portrait__image {
    width: 160px;
    height: 160px;
  }
}

/* --------------------------------------------------------------------------
   14. Contact Info
   -------------------------------------------------------------------------- */
.contact-info__address {
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
}

.contact-info__detail {
  margin-bottom: var(--space-xs);
}

.contact-info__hours {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.contact-info__hours-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.contact-info__social {
  margin: var(--space-lg) 0;
}

.contact-info__note {
  margin: var(--space-lg) 0;
  line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   15. Map Component
   -------------------------------------------------------------------------- */
.map-embed {
  width: 100%;
  margin-top: var(--space-section);
}

.map-embed__iframe {
  width: 100%;
  height: 500px;
  border: 0;
}

/* --------------------------------------------------------------------------
   16. Divider
   -------------------------------------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-section) 0;
}

/* --------------------------------------------------------------------------
   17. Page-Specific: Presse Intro
   -------------------------------------------------------------------------- */
.presse-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.presse-intro__heading {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-5xl));
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.presse-intro__subheading {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-lg);
}

.presse-intro__image {
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

/* --------------------------------------------------------------------------
   18. Page-Specific: Legal pages (Impressum, Datenschutz)
   -------------------------------------------------------------------------- */
.legal-content {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--space-2xl);
}

.legal-content h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.legal-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   19. Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

/* --------------------------------------------------------------------------
   20. Print Styles
   -------------------------------------------------------------------------- */
@media print {

  .site-header,
  .site-footer,
  .social-icons,
  .nav-toggle,
  .map-embed {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }
}