/* ============================================================
   Modularbar — Website
   style.css — Shared across all pages
   Design: Tectonic Precision / Conception Meets Construction
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;600;700&display=swap');

/* ============================================================
   CSS Custom Properties — Design Tokens
   ============================================================ */

/* Dark Mode (Default) */
:root,
body.dark {
  --color-background:              #141312;
  --color-surface:                 #141312;
  --color-surface-dim:             #141312;
  --color-surface-container-low:   #1d1b1a;
  --color-surface-container:       #211f1e;
  --color-surface-container-high:  #2b2a28;
  --color-surface-container-highest: #363433;
  --color-surface-bright:          #3b3937;
  --color-surface-container-lowest: #0f0e0d;

  --color-primary:                 #ffffff;
  --color-on-primary:              #1b1c1a;
  --color-primary-container:       #d6d4d1;
  --color-on-primary-container:    #000000;

  --color-secondary:               #cbc6c0;
  --color-on-secondary:            #1d1b18;
  --color-secondary-container:     #494642;

  --color-on-surface:              #e6e1df;
  --color-on-surface-variant:      #c6c6c6;
  --color-on-background:           #e6e1df;

  --color-outline:                 #919191;
  --color-outline-variant:         #474747;

  --color-error:                   #ffb4ab;
  --color-error-container:         #93000a;

  --grain-opacity:                 0.025;

  /* Nav glassmorphism */
  --nav-bg:    rgba(20, 19, 18, 0.80);
  --nav-blur:  20px;
}

/* Light Mode */
body.light {
  --color-background:              #fbf9f6;
  --color-surface:                 #fbf9f6;
  --color-surface-dim:             #f5f3f0;
  --color-surface-container-low:   #f5f3f0;
  --color-surface-container:       #eeece9;
  --color-surface-container-high:  #e8e6e3;
  --color-surface-container-highest: #e2e0dd;
  --color-surface-bright:          #ffffff;
  --color-surface-container-lowest: #ffffff;

  --color-primary:                 #605e5c;
  --color-on-primary:              #ffffff;
  --color-primary-container:       #d4d2cf;
  --color-on-primary-container:    #1c1b19;

  --color-secondary:               #b1b3ad;
  --color-on-secondary:            #ffffff;
  --color-secondary-container:     #d8dbd5;

  --color-on-surface:              #30332f;
  --color-on-surface-variant:      #46493f;
  --color-on-background:           #30332f;

  --color-outline:                 #76796f;
  --color-outline-variant:         #b1b3ad;

  --color-error:                   #9e422c;
  --color-error-container:         #ffdad2;

  --grain-opacity:                 0.04;

  /* Nav glassmorphism */
  --nav-bg:    rgba(251, 249, 246, 0.80);
  --nav-blur:  20px;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  background-color: var(--color-background);
  color: var(--color-on-background);
  cursor: crosshair;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

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

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

/* ============================================================
   Typography Utilities
   ============================================================ */

.bebas {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.05em;
}

/* Display / Hero */
.text-display-lg {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 12vw, 12rem);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.text-display-md {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 6vw, 6rem);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Headlines */
.text-headline-lg {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.text-headline-md {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Body */
.text-body-lg { font-size: 1rem; font-weight: 300; line-height: 1.7; }
.text-body-md { font-size: 0.875rem; font-weight: 300; line-height: 1.7; }
.text-body-sm { font-size: 0.75rem; font-weight: 400; line-height: 1.6; }

/* Labels / Technical Annotations */
.text-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.text-mono {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* ============================================================
   Grain Overlay (fixed, pointer-events: none)
   ============================================================ */

.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ============================================================
   Navigation
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(var(--nav-blur));
  -webkit-backdrop-filter: blur(var(--nav-blur));
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 44px;
  width: auto;
}

/* Logo Dark/Light swap + transparent background via mix-blend-mode */
body.dark  .nav-logo-dark  { display: block; }
body.dark  .nav-logo-light { display: none;  }
body.light .nav-logo-dark  { display: none;  }
body.light .nav-logo-light { display: block; }

/* SVGs have transparent background — no filter/blend needed */

.nav-wordmark {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  white-space: nowrap;
}

/* Primary nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  transition: color 0s; /* Instant — mechanical feel */
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a.active {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 2px;
}

/* Controls: Language + Theme */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

.nav-toggle-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  background: none;
  border: none;
  cursor: crosshair;
  padding: 0;
  transition: color 0s;
}

.nav-toggle-btn:hover {
  color: var(--color-primary);
}

/* Hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: crosshair;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-primary);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav overlay */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-background);
  z-index: 49;
  padding: 7rem 2rem 3rem;
  flex-direction: column;
  gap: 2rem;
}

.nav-mobile-menu.open {
  display: flex;
}

.nav-mobile-menu a {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.nav-mobile-menu a:hover {
  color: var(--color-secondary);
}

.nav-mobile-controls {
  display: flex;
  gap: 1.5rem;
  margin-top: auto;
}

/* ============================================================
   Layout Utilities
   ============================================================ */

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-pad {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.section-pad-lg {
  padding-top: 10rem;
  padding-bottom: 10rem;
}

/* Asymmetric Technical Callout pattern */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 4rem;
}

.section-header-divider {
  flex: 1;
  height: 1px;
  background: var(--color-outline-variant);
  opacity: 0.2;
  margin: 0 2rem;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-on-primary-container);
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.25rem 2.5rem;
  border: none;
  cursor: crosshair;
  transition: background-color 0s; /* Instant */
}

.btn-primary:hover {
  background: var(--color-secondary);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.25rem 2.5rem;
  border: 1px solid var(--color-primary);
  cursor: crosshair;
  transition: background-color 0s, color 0s;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-on-primary-container);
}

.btn-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  cursor: crosshair;
  transition: color 0s;
}

.btn-text:hover {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
}

/* ============================================================
   Project Cards (Masonry / Grid)
   ============================================================ */

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-container);
  cursor: crosshair;
  display: block;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.75);
  transition: filter 0.7s ease, transform 0.7s ease;
}

.project-card:hover img {
  filter: grayscale(0%) brightness(1);
  transform: scale(1.02);
}

.project-card-meta {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  color: var(--color-primary);
}

.project-card-label {
  font-family: 'Courier New', monospace;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.project-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  line-height: 1;
}

.project-card-arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  font-size: 2rem;
  color: var(--color-primary);
  font-weight: 100;
}

.project-card:hover .project-card-arrow {
  opacity: 1;
}

/* ============================================================
   Input Fields (Contact Form)
   ============================================================ */

.field-group {
  position: relative;
  margin-bottom: 2rem;
}

.field-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.5rem;
}

.field-input,
.field-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-outline);
  color: var(--color-on-surface);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 300;
  padding: 0.75rem 0;
  outline: none;
  resize: none;
  cursor: crosshair;
  transition: border-color 0s;
}

.field-input:focus,
.field-textarea:focus {
  border-bottom-width: 2px;
  border-bottom-color: var(--color-primary);
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background: var(--color-surface-container-low);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

body.light .site-footer {
  border-top-color: rgba(0, 0, 0, 0.06);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-img {
  height: 28px;
  width: auto;
}

.footer-wordmark {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.125rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
}

.footer-copy {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-col a {
  font-size: 0.625rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  transition: color 0s;
}

.footer-links-col a:hover {
  color: var(--color-primary);
}

.footer-coords {
  text-align: right;
}

.footer-coords p {
  font-family: 'Courier New', monospace;
  font-size: 0.625rem;
  color: var(--color-outline);
  letter-spacing: 0.05em;
}

/* ============================================================
   Language Toggle
   ============================================================ */

body.lang-de .lang-en { display: none; }
body.lang-en .lang-de { display: none; }

/* ============================================================
   Project Detail Page
   ============================================================ */

.project-hero {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 0 2rem 4rem;
}

.project-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(60%) brightness(0.45) contrast(1.1);
}

.project-hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
}

.project-hero-label {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.project-meta-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
}

body.light .project-meta-strip {
  border-top-color: rgba(0,0,0,0.08);
}

.project-meta-item {
  padding: 0 1.5rem 0 0;
}

.project-meta-key {
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-outline);
  margin-bottom: 0.35rem;
}

.project-meta-val {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-primary);
}

/* Text block */
.project-text {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.project-text-sidebar {
  position: sticky;
  top: 7rem;
}

/* Gallery */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%) brightness(0.85);
  transition: filter 0.6s ease;
  display: block;
}

.gallery-img:hover {
  filter: grayscale(0%) brightness(1);
}

.gallery-item-lg  { grid-column: span 8; aspect-ratio: 16/10; overflow: hidden; }
.gallery-item-sm  { grid-column: span 4; aspect-ratio: 4/5;  overflow: hidden; }
.gallery-item-md  { grid-column: span 6; aspect-ratio: 3/2;  overflow: hidden; }
.gallery-item-full{ grid-column: span 12; aspect-ratio: 21/9; overflow: hidden; }

/* Project nav (prev/next) */
.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  gap: 2rem;
}

body.light .project-nav {
  border-top-color: rgba(0,0,0,0.06);
}

.project-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-nav-link span:first-child {
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-outline);
}

.project-nav-link span:last-child {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: color 0s;
}

.project-nav-link:hover span:last-child {
  color: var(--color-secondary);
}

.project-nav-link.align-right {
  text-align: right;
}

@media (max-width: 900px) {
  .project-text {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .project-text-sidebar {
    position: static;
  }
  .gallery-item-lg, .gallery-item-sm, .gallery-item-md {
    grid-column: span 12;
  }
  .gallery-item-sm { aspect-ratio: 4/3; }
}

/* ============================================================
   Project Grid
   ============================================================ */

.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.col-8  { grid-column: span 8; }
.col-7  { grid-column: span 7; }
.col-5  { grid-column: span 5; }
.col-4  { grid-column: span 4; }

.col-mt-4   { margin-top: 4rem; }
.col-mt-neg { margin-top: -4rem; }

.aspect-16-9  { aspect-ratio: 16/9; }
.aspect-3-4   { aspect-ratio: 3/4; }
.aspect-1-1   { aspect-ratio: 1/1; }
.aspect-16-10 { aspect-ratio: 16/10; }

/* ============================================================
   Award Rows
   ============================================================ */

.award-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0s;
}

.award-row:hover {
  background-color: var(--color-surface-bright);
}

body.light .award-row {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

body.light .award-row:hover {
  background-color: var(--color-surface-container);
}

.award-year {
  flex-shrink: 0;
  min-width: 160px;
}

.award-title {
  flex: 1;
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: var(--color-primary);
}

.award-project {
  flex-shrink: 0;
  text-align: right;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  /* Project grid: all full width */
  .col-8, .col-7, .col-5, .col-4 {
    grid-column: span 12;
  }
  .col-mt-4, .col-mt-neg {
    margin-top: 0;
  }
  .project-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .aspect-3-4 {
    aspect-ratio: 4/3;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .site-nav {
    padding: 1.25rem 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .section-pad     { padding-top: 4rem; padding-bottom: 4rem; }
  .section-pad-lg  { padding-top: 6rem; padding-bottom: 6rem; }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .section-header-divider {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-coords {
    text-align: left;
  }

  /* Award rows: stack on mobile */
  .award-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .award-year {
    min-width: auto;
  }

  .award-project {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .text-display-lg {
    font-size: clamp(3.5rem, 18vw, 6rem);
  }
}

/* ─── LEGAL / IMPRESSUM PAGE ───────────────────────────── */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-section {
  margin-bottom: 3rem;
}

.legal-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-outline);
  margin: 2rem 0 0.75rem;
  font-weight: 400;
}

.legal-body {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-on-surface-variant);
  margin-bottom: 1rem;
}

.legal-divider {
  width: 100%;
  height: 1px;
  background: var(--color-outline-variant);
  margin: 3rem 0;
}

/* ─── CONTACT PAGE ─────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-height));
  max-width: 1400px;
  margin: 0 auto;
}

.contact-info {
  padding: 8rem 4rem 6rem 2rem;
  border-right: 1px solid var(--color-outline-variant);
  position: sticky;
  top: 0;
  align-self: start;
}

.contact-form-wrap {
  padding: 8rem 2rem 6rem 4rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-outline-variant);
}

.contact-detail-row:last-child {
  border-bottom: none;
}

/* Form elements */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-outline);
}

.form-input {
  background: transparent;
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
  width: 100%;
  box-sizing: border-box;
}

.form-input:focus {
  border-color: var(--color-primary);
}

.form-input::placeholder {
  color: var(--color-outline);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-submit-btn {
  flex-shrink: 0;
}

.form-feedback {
  margin-top: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--color-outline-variant);
}

.form-field-error {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: #c0392b;
  margin-top: 0.35rem;
  min-height: 0.9rem;
}

/* Formspree aria-invalid state */
.form-input[aria-invalid="true"] {
  border-color: #c0392b;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-info {
    padding: 6rem 2rem 3rem;
    border-right: none;
    border-bottom: 1px solid var(--color-outline-variant);
    position: static;
  }

  .contact-form-wrap {
    padding: 3rem 2rem 6rem;
  }

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

/* ─── LEISTUNGEN PAGE ──────────────────────────────────── */
.leistung-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px 1fr auto;
  grid-template-rows: auto;
  gap: 0 4rem;
  align-items: start;
}

.leistung-header {
  grid-column: 1;
}

.leistung-content {
  grid-column: 2;
}

.leistung-cta {
  grid-column: 3;
  align-self: end;
  white-space: nowrap;
}

.leistung-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.leistung-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-on-surface);
  text-transform: uppercase;
}

.leistung-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--color-outline);
  flex-shrink: 0;
  position: relative;
  top: -1px;
}

@media (max-width: 900px) {
  .leistung-inner {
    grid-template-columns: 1fr;
    gap: 2rem 0;
  }

  .leistung-header,
  .leistung-content,
  .leistung-cta {
    grid-column: 1;
  }
}

/* ============================================================
   Modularbar — Hero Section
   ============================================================ */

.hero {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 2rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(80%) brightness(0.4) contrast(1.15);
}

.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  padding-top: 5rem;
  display: flex;
  flex-direction: column;
}

.hero-cta {
  margin-top: 2.5rem;
}

/* ============================================================
   Modularbar — USP Block
   ============================================================ */

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

.usp-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.usp-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  line-height: 1.1;
}

.usp-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
}

/* ============================================================
   Modularbar — CTA Section
   ============================================================ */

.cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-left: 2rem;
  padding-right: 2rem;
}

@media (max-width: 768px) {
  .usp-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero {
    padding: 0 1.5rem;
  }

  .hero-content {
    padding-top: 4rem;
  }
}

/* ============================================================
   Assembly Section — Scroll Animation 1
   ============================================================ */

.assembly-section {
  position: relative;
  width: 100%;
  height: 350vh;
  background: var(--color-background);
}

.assembly-inner {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
}

.assembly-text {
  padding: 0 4rem 0 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.assembly-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 6vw, 7rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

.assembly-frames {
  position: relative;
  width: 100%;
  height: 100%;
}

.assembly-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: none;
}

.assembly-frame:first-child {
  opacity: 1;
}

.assembly-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}

.assembly-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  background: transparent;
  transition: background-color 0.2s ease;
}

.assembly-dot.active {
  background: var(--color-primary);
}

/* ============================================================
   Variants Section — Scroll Animation 2
   ============================================================ */

.variants-section {
  padding: 6rem 2rem;
  background: var(--color-surface-container-low);
  overflow: hidden;
}

.variants-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 4rem;
}

.variants-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1440px;
  margin: 0 auto;
}

.variant-panel {
  overflow: hidden;
}

.variant-panel img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.variant-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-top: 1.5rem;
}

.variant-specs {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.1em;
  color: var(--color-on-surface-variant);
  margin-top: 0.75rem;
}

/* GSAP initial states — panels start off-screen, JS animates to translateX(0) */
.variant-panel--left {
  transform: translateX(-100%);
}

.variant-panel--right {
  transform: translateX(100%);
}

/* ============================================================
   Animation Sections — Mobile Fallback
   ============================================================ */

@media (max-width: 768px) {
  .assembly-section {
    height: auto;
  }

  .assembly-inner {
    grid-template-columns: 1fr;
    height: auto;
    position: static;
  }

  .assembly-text {
    padding: 4rem 1.5rem;
  }

  .assembly-frames {
    position: relative;
    height: auto;
    aspect-ratio: 4/3;
  }

  .assembly-frame {
    display: none;
  }

  .assembly-frame:last-child {
    display: block;
    position: relative;
    opacity: 1;
  }

  .assembly-dots {
    display: none;
  }

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

  .variant-panel--left,
  .variant-panel--right {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .assembly-section { height: auto; }
  .assembly-inner { position: static; height: auto; }
  .assembly-frame { display: none; }
  .assembly-frame:last-child { display: block; position: relative; opacity: 1; }
  .assembly-dots { display: none; }
  .variant-panel--left,
  .variant-panel--right { transform: none; }
  .variant-specs { opacity: 1; }
}

/* ============================================================
   Products Page — Product Cards
   ============================================================ */

.products-section {
  padding: 6rem 2rem;
  max-width: 1440px;
  margin: 0 auto;
}

.products-section .section-header {
  margin-bottom: 4rem;
}

.product-card {
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  margin-bottom: 4rem;
}

.product-card:last-child {
  margin-bottom: 0;
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.product-card-body {
  padding: 2rem;
}

.product-card-body h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.product-card-body p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  margin-bottom: 1.5rem;
}

.product-specs-table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 2rem;
}

.product-specs-table td {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-outline-variant);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  color: var(--color-on-surface);
}

.product-specs-table td:first-child {
  font-weight: 600;
  width: 40%;
  color: var(--color-on-surface-variant);
}

.kombinationen-block {
  padding: 4rem 0;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.kombinationen-block h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.kombinationen-block p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
}

/* ============================================================
   Contact Page — Form Styles
   ============================================================ */

.contact-section {
  padding: 6rem 2rem;
  max-width: 1440px;
  margin: 0 auto;
}

.contact-section .section-header {
  margin-bottom: 4rem;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  outline: none;
  transition: border-color 0.2s ease;
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-outline);
  opacity: 0.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23919191'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: crosshair;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-submit-row {
  margin-top: 2rem;
}

.form-submit-row .btn-primary {
  width: 100%;
}

.form-submit-row .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-success {
  padding: 2rem;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface);
}

.form-success h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.form-error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  color: var(--color-error);
  border: 1px solid var(--color-error);
  display: none;
}

/* ============================================================
   Products + Contact — Responsive
   ============================================================ */

@media (max-width: 768px) {
  .products-section {
    padding: 4rem 1.5rem;
  }

  .product-card-body {
    padding: 1.5rem;
  }

  .product-card-body h3 {
    font-size: 2rem;
  }

  .contact-section {
    padding: 4rem 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Events Page — Event Cards + Gallery
   ============================================================ */

.events-section {
  padding: 6rem 2rem;
  max-width: 1440px;
  margin: 0 auto;
}

.events-section .section-header {
  margin-bottom: 4rem;
}

.event-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  margin-bottom: 2rem;
}

.event-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4/3;
}

.event-card-body {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.event-card-body h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.event-card-meta {
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.event-card-body p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
}

.event-gallery {
  margin-bottom: 4rem;
}

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

.event-gallery-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  filter: grayscale(40%) brightness(0.85);
  transition: filter 0.6s ease;
}

.event-gallery-grid img:hover {
  filter: grayscale(0%) brightness(1);
}

.upcoming-events {
  padding: 6rem 2rem;
  background: var(--color-surface-container-low);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.upcoming-events h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.upcoming-events p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

/* ============================================================
   Events Page — Responsive
   ============================================================ */

@media (max-width: 768px) {
  .events-section {
    padding: 4rem 1.5rem;
  }

  .event-card {
    grid-template-columns: 1fr;
  }

  .event-card-cover {
    aspect-ratio: 16/9;
  }

  .event-card-body {
    padding: 1.5rem;
  }

  .event-card-body h3 {
    font-size: 2rem;
  }

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

@media (min-width: 481px) and (max-width: 768px) {
  .event-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================================================
   LIGHTBOX
   =================================================== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.93);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.lightbox.is-open {
  display: flex;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  display: block;
}
.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--color-bg);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-bg);
  font-size: 2.5rem;
  cursor: pointer;
  padding: 1rem;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.15s;
  user-select: none;
  -webkit-user-select: none;
}
.lightbox-btn:hover { opacity: 1; }
.lightbox-prev { left: 0.5rem; }
.lightbox-next { right: 0.5rem; }
.lightbox-counter {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-bg);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  opacity: 0.55;
}