/* ══════════════════════════════════════════════════════════
   SLICED GOLF — slicedgolf.ch
   Implementiert nach SLICEDGOLF_Claude-Design-Brief_v1.md
   und CI/CD Styleguide v1.1. Interface monochrom — die Kunst
   ist die einzige Farbquelle.
   ══════════════════════════════════════════════════════════ */

:root {
  /* ── Farben ─────────────────────────────────────── */
  --color-depth:       #0A0A0A;
  --color-dark:        #1A1A1A;
  --color-board:       #111111;
  --color-slate:       #333333;
  --color-caption:     #888888;
  --color-label:       #BBBBBB;
  --color-line:        #E0DDD8;
  --color-wall:        #F5F4F2;
  --color-white:       #FFFFFF;

  /* ── Schriften ───────────────────────────────────── */
  --font-identity:     'Cormorant Garamond', Georgia, serif;
  --font-functional:   'Inter', -apple-system, BlinkMacSystemFont,
                       'Helvetica Neue', sans-serif;

  /* ── Typografische Abstufung ─────────────────────── */
  --text-title:        clamp(24px, 3.5vw, 40px);
  --text-label:        10px;
  --text-nav:          11px;
  --text-body:         14px;
  --text-artwork:      clamp(11px, 1.2vw, 13px);
  --text-caption:      10px;

  /* ── Abstände ────────────────────────────────────── */
  --space-micro:       4px;
  --space-xs:          8px;
  --space-sm:          16px;
  --space-md:          24px;
  --space-lg:          32px;
  --space-xl:          48px;
  --space-2xl:         64px;
  --space-3xl:         96px;
  --space-4xl:         128px;

  /* ── Übergänge ───────────────────────────────────── */
  --transition-fast:   150ms ease;
  --transition-mid:    300ms ease;
  --transition-slow:   500ms ease;

  /* ── Grid ────────────────────────────────────────── */
  --grid-outer:        80px;
  --grid-outer-mob:    20px;
  --content-max:       1440px;
}

/* ── Basis ─────────────────────────────────────────── */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-white);
  color: var(--color-depth);
  font-family: var(--font-functional);
  font-weight: 400;
  font-size: var(--text-body);
  line-height: 1.75;
}

img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

:focus-visible {
  outline: 1.5px solid var(--color-depth);
  outline-offset: 3px;
}
:focus:not(:focus-visible) {
  outline: none;
}

/* ── B.1 Navigation ────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 0.5px solid var(--color-line);
  height: 56px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--grid-outer);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-logo svg {
  height: 20px;
  width: auto;
}

.nav-wordmark {
  font-family: var(--font-functional);
  font-weight: 500;
  font-size: var(--text-nav);
  letter-spacing: 0.08em;
  color: var(--color-depth);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: var(--text-nav);
  letter-spacing: 0.04em;
  color: var(--color-caption);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--color-depth);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-depth);
  transition: transform var(--transition-mid),
              opacity var(--transition-mid);
}

@media (max-width: 767px) {
  .site-nav {
    padding: 0 var(--grid-outer-mob);
    height: 48px;
  }
  .site-header {
    height: 48px;
  }
  .nav-links {
    display: none;
  }
  .nav-burger {
    display: flex;
  }
}

/* Mobile Overlay — Wandweiss, KEIN Schwarz */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-wall);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-mid);
}
.nav-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--grid-outer-mob);
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 20px;
  color: var(--color-depth);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.nav-overlay-links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Inter, nicht Cormorant Garamond — das Interface flüstert auch hier */
.nav-overlay-links a {
  font-family: var(--font-functional);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-depth);
  transition: color var(--transition-fast);
}
.nav-overlay-links a:hover {
  color: var(--color-caption);
}

/* ── B.2 Footer ────────────────────────────────────── */

.site-footer {
  border-top: 0.5px solid var(--color-line);
  padding: var(--space-3xl) var(--grid-outer) var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
  max-width: var(--content-max);
  margin: 0 auto var(--space-2xl);
}

.footer-logo {
  font-family: var(--font-functional);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-depth);
  display: block;
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-family: var(--font-functional);
  font-size: var(--text-caption);
  color: var(--color-caption);
  letter-spacing: 0.06em;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-nav a,
.footer-contact a {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--color-caption);
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: var(--color-depth);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-bottom {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  border-top: 0.5px solid var(--color-line);
  padding-top: var(--space-md);
  font-size: var(--text-caption);
  color: var(--color-label);
  font-family: var(--font-functional);
  font-weight: 300;
}

@media (max-width: 767px) {
  .site-footer {
    padding: var(--space-2xl) var(--grid-outer-mob) var(--space-xl);
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* ── B.3 Ghost Button ──────────────────────────────── */

.btn-ghost {
  display: inline-block;
  padding: 11px 32px;
  border: 1px solid var(--color-depth);
  background: transparent;
  color: var(--color-depth);
  font-family: var(--font-functional);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--transition-mid),
              color var(--transition-mid);
}
.btn-ghost:hover {
  background: var(--color-depth);
  color: var(--color-white);
}

/* ── B.4 Abschnitt-Label ───────────────────────────── */

.section-label {
  font-family: var(--font-functional);
  font-weight: 500;
  font-size: var(--text-label);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-label);
  display: block;
  margin-bottom: var(--space-md);
}

/* ── B.5 Textlink mit Pfeil ────────────────────────── */

.text-link {
  font-family: var(--font-functional);
  font-weight: 400;
  font-size: var(--text-body);
  color: var(--color-depth);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast),
              color var(--transition-fast);
}
.text-link:hover {
  gap: 10px;
}

.text-link--secondary {
  font-weight: 300;
  color: var(--color-caption);
}
.text-link--secondary:hover {
  color: var(--color-depth);
}

/* ── Werk-Bezeichnungen (Werkliste in der Galerie) ─── */

.preview-title {
  font-family: var(--font-identity);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-artwork);
  color: var(--color-depth);
  margin-bottom: var(--space-micro);
}

.preview-meta {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-caption);
}

/* ── Umgebungs-Schalter (White Cube / Salon) ───────── */

.filter-btn {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-caption);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
}

.filter-btn.is-active,
.filter-btn:hover {
  color: var(--color-depth);
}

.filter-btn.is-active {
  border-bottom: 1px solid var(--color-depth);
  padding-bottom: 1px;
}

/* ── Formulare (Anfrage & Kontakt) ─────────────────── */

.inquiry-form,
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form {
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-family: var(--font-functional);
  font-weight: 500;
  font-size: var(--text-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-label);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-functional);
  font-size: var(--text-body);
  font-weight: 400;
  color: var(--color-depth);
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--color-line);
  padding: var(--space-xs) 0;
  outline: none;
  transition: border-color var(--transition-fast);
  resize: none;
  border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-depth);
}

.form-group select {
  font-family: var(--font-functional);
  font-size: var(--text-body);
  color: var(--color-depth);
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--color-line);
  padding: var(--space-xs) 0;
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  border-radius: 0;
}
.form-group select:focus {
  border-color: var(--color-depth);
}

/* Honeypot — für Menschen unsichtbar */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.inquiry-form .btn-ghost,
.contact-form .btn-ghost {
  align-self: flex-start;
}

/* ── Credentials (Künstler-Panel) ──────────────────── */

.credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}
.credentials > div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 0.5px solid var(--color-line);
}
.credentials dt {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 11px;
  color: var(--color-caption);
}
.credentials dd {
  font-family: var(--font-functional);
  font-size: var(--text-body);
  color: var(--color-depth);
}

@media (max-width: 767px) {
  .credentials > div { grid-template-columns: 1fr; gap: var(--space-micro); }
}

/* ── H Impressum ───────────────────────────────────── */

.contact-main {
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  padding: var(--space-4xl) var(--grid-outer);
}

.contact-inner {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-identity);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-title);
  color: var(--color-depth);
  margin-bottom: var(--space-2xl);
  line-height: 1.2;
}

.contact-body {
  font-family: var(--font-functional);
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-slate);
  margin-bottom: var(--space-md);
}

@media (max-width: 767px) {
  .contact-main { padding: var(--space-2xl) var(--grid-outer-mob); }
}

/* ── 3D-Galerie ────────────────────────────────────── */

.g3d-main {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.g3d-stage,
.g3d-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.g3d-stage canvas {
  cursor: grab;
  touch-action: none;
}

.g3d-noscript {
  padding: var(--space-2xl) var(--grid-outer-mob);
  font-family: var(--font-functional);
  color: var(--color-slate);
}
.g3d-noscript a {
  text-decoration: underline;
}

.g3d-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-wall);
  transition: opacity var(--transition-slow);
}
.g3d-loading.is-done {
  opacity: 0;
  pointer-events: none;
}
.g3d-loading .section-label {
  margin-bottom: 0;
}

.g3d-hint {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-caption);
  background: rgba(255, 255, 255, 0.85);
  padding: 8px 20px;
  white-space: nowrap;
  max-width: calc(100vw - 40px);
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition-slow);
}
.g3d-hint.is-done {
  opacity: 0;
  pointer-events: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.g3d-chip {
  background: rgba(255, 255, 255, 0.88);
  padding: 10px 18px;
  display: flex;
  align-items: center;
}

.g3d-brand {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  gap: var(--space-xs);
}

.g3d-brand svg {
  height: 18px;
  width: auto;
}

.g3d-topbar {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  gap: var(--space-xs);
}

.g3d-themes {
  gap: var(--space-md);
}

/* Menü-Knopf in der Galerie: Text-Chip, auf allen Breiten sichtbar */
.g3d-topbar .nav-burger {
  display: flex;
  flex-direction: row;
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-caption);
  transition: color var(--transition-fast);
}
.g3d-topbar .nav-burger:hover {
  color: var(--color-depth);
}

@media (max-width: 767px) {
  .g3d-brand .nav-wordmark { display: none; }
  .g3d-chip { padding: 9px 12px; }
}

.g3d-info {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  max-width: 320px;
  background: var(--color-white);
  border: 0.5px solid var(--color-line);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--transition-mid),
              transform var(--transition-mid);
}
.g3d-info.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.g3d-info-close {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-sm);
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 14px;
  color: var(--color-caption);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}
.g3d-info-close:hover {
  color: var(--color-depth);
}

.g3d-info-title {
  font-family: var(--font-identity);
  font-style: italic;
  font-weight: 300;
  font-size: 19px;
  color: var(--color-depth);
  line-height: 1.2;
  margin-bottom: var(--space-micro);
  padding-right: var(--space-md);
}

.g3d-info-meta {
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: var(--text-caption);
  letter-spacing: 0.10em;
  color: var(--color-caption);
  margin-bottom: var(--space-sm);
}

@media (max-width: 767px) {
  .g3d-info {
    left: var(--grid-outer-mob);
    right: var(--grid-outer-mob);
    bottom: var(--grid-outer-mob);
    max-width: none;
  }
}

.g3d-info-desc {
  font-family: var(--font-functional);
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-slate);
  margin-bottom: var(--space-sm);
}

.g3d-anfrage {
  display: none;
  margin-top: var(--space-sm);
}
.g3d-anfrage.is-open {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ── Panels in der Galerie ─────────────────────────── */

.g3d-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(440px, 92vw);
  background: var(--color-white);
  border-left: 0.5px solid var(--color-line);
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  overflow-y: auto;
  transform: translateX(102%);
  transition: transform var(--transition-mid);
  z-index: 50;
}
.g3d-panel.is-open {
  transform: translateX(0);
}

.g3d-panel-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-family: var(--font-functional);
  font-weight: 300;
  font-size: 18px;
  color: var(--color-caption);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.g3d-panel-close:hover {
  color: var(--color-depth);
}

.g3d-panel-title {
  font-family: var(--font-identity);
  font-style: italic;
  font-weight: 300;
  font-size: 26px;
  color: var(--color-depth);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.g3d-panel-body p {
  font-family: var(--font-functional);
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-slate);
  margin-bottom: var(--space-md);
}

.g3d-panel img {
  margin-bottom: var(--space-md);
}

.g3d-panel .credentials {
  margin-top: var(--space-lg);
}

.g3d-werkliste {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.g3d-werkliste button {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-sm);
  align-items: center;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.g3d-werkliste img {
  width: 96px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin: 0;
}

.g3d-werkliste .preview-title {
  font-size: 14px;
}