/* ==========================================================================
   Schreinerei Kraft — Stylesheet
   Brutalist / Industrial Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500&family=JetBrains+Mono:wght@400;500&display=swap');

/* ------------------------- Design Tokens ------------------------- */
:root {
  --color-bg-primary: #121210;
  --color-bg-secondary: #1E1C1A;
  --color-surface: #2B2825;
  --color-border: #3A3733;
  --color-steel: #55534E;
  --color-text-primary: #EDE7DC;
  --color-text-muted: #9A9388;
  --color-wood: #A9642D;
  --color-wood-light: #C98B4F;
  --color-signal: #D4491C;

  --font-display: 'Anton', sans-serif;
  --font-ui: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-width: 1320px;
  --gutter: 24px;
  --section-pad-desktop: 120px;
  --section-pad-mobile: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ------------------------- Typography ------------------------- */
h1, h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(40px, 7vw, 96px); }
h2 { font-size: clamp(32px, 4.5vw, 56px); line-height: 1.0; }

h3 {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.2;
}

h4 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.3;
}

p { font-family: var(--font-body); }

.label,
.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.label--wood { color: var(--color-wood); }
.label--signal { color: var(--color-signal); }

/* ------------------------- Layout Helpers ------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1025px) {
  .container { padding: 0 64px; }
}

section {
  padding: var(--section-pad-mobile) 0;
}

@media (min-width: 1025px) {
  section { padding: var(--section-pad-desktop) 0; }
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 641px) {
  .grid { gap: 32px; }
}

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

@media (min-width: 641px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------- Buttons ------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 15px;
  padding: 16px 32px;
  border-radius: 0;
  transition: background-color 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-signal);
  color: var(--color-bg-primary);
  border: 2px solid var(--color-signal);
}

.btn-primary:hover {
  background: var(--color-bg-primary);
  color: var(--color-signal);
  border-color: var(--color-signal);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-text-primary);
}

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

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ------------------------- Header ------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
}

@media (min-width: 1025px) {
  .site-header { height: 80px; }
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

@media (min-width: 1025px) {
  .logo { font-size: 24px; }
}

.main-nav {
  display: none;
}

@media (min-width: 1025px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  .main-nav ul {
    display: flex;
    gap: 32px;
  }
  .main-nav a {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: border-color 180ms ease-out, color 180ms ease-out;
  }
  .main-nav a:hover { color: var(--color-wood); }
  .main-nav a.active {
    border-bottom-color: var(--color-signal);
  }
}

.header-phone {
  display: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

@media (min-width: 1025px) {
  .header-phone { display: inline; }
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

@media (min-width: 1025px) {
  .hamburger { display: none; }
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text-primary);
  transition: transform 180ms ease-out, opacity 180ms ease-out;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  top: 64px;
  background: var(--color-bg-primary);
  z-index: 99;
  transform: translateX(100%);
  transition: transform 220ms ease-out;
  overflow-y: auto;
}

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

.mobile-nav ul {
  padding: 32px 24px;
}

.mobile-nav li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: 28px;
  text-transform: uppercase;
}

.mobile-nav .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-signal);
}

.mobile-nav .phone-line {
  margin-top: 24px;
  padding: 0 24px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

@media (min-width: 1025px) {
  .mobile-nav { display: none; }
}

/* ------------------------- Hero ------------------------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-bg-primary);
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--color-border);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,18,16,0.15) 0%, rgba(18,18,16,0.45) 55%, rgba(18,18,16,0.88) 100%);
  pointer-events: none;
}

.hero--small {
  min-height: 50vh;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 64px 0;
  width: 100%;
}

.hero .label { display: block; margin-bottom: 16px; }
.hero h1 { max-width: 900px; }
.hero .subline {
  margin-top: 24px;
  max-width: 560px;
  font-size: 18px;
  color: var(--color-text-muted);
}
.hero .btn-group { margin-top: 40px; }

/* ------------------------- Trust Stats ------------------------- */
.stats-bar {
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}

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

@media (min-width: 641px) {
  .stats-bar .grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-item .num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  color: var(--color-wood-light);
  display: block;
}

.stat-item .stat-label {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

/* ------------------------- Cards ------------------------- */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: border-color 180ms ease-out;
  display: flex;
  flex-direction: column;
}

.card:hover { border-color: var(--color-wood); }

.card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 200ms ease-out;
}

.card:hover .card-media img { transform: scale(1.03); }

.card-media .label {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(18,18,16,0.8);
  padding: 4px 8px;
  color: var(--color-text-primary);
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-body h3 { font-size: 22px; }
.card-body p { color: var(--color-text-muted); font-size: 15px; }

/* ------------------------- Section Dividers ------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.tick-divider {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 24px;
  overflow: hidden;
  opacity: 0.5;
}

.tick-divider span {
  flex: 1;
  min-width: 1px;
  background: var(--color-steel);
  height: 8px;
}

.tick-divider span:nth-child(4n) { height: 16px; }

/* ------------------------- Positioning Statement ------------------------- */
.statement {
  border-bottom: 1px solid var(--color-border);
}

.statement .grid-2 {
  align-items: start;
  gap: 48px;
}

.statement p {
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ------------------------- Process Steps ------------------------- */
.process-steps {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 641px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1025px) {
  .process-steps { grid-template-columns: repeat(4, 1fr); }
}

.process-step {
  border-top: 2px solid var(--color-border);
  padding-top: 16px;
}

.process-step .num {
  font-family: var(--font-mono);
  color: var(--color-signal);
  font-size: 14px;
  display: block;
  margin-bottom: 8px;
}

.process-step h4 { margin-bottom: 8px; }
.process-step p { color: var(--color-text-muted); font-size: 15px; }

.link-arrow {
  display: inline-block;
  margin-top: 32px;
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--color-wood);
  border-bottom: 1px solid var(--color-wood);
  padding-bottom: 2px;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.link-arrow:hover { color: var(--color-wood-light); border-color: var(--color-wood-light); }

/* ------------------------- Final CTA Bar ------------------------- */
.cta-bar {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.cta-bar .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

@media (min-width: 1025px) {
  .cta-bar .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cta-bar .subline { color: var(--color-text-muted); margin-top: 12px; max-width: 480px; }

/* ------------------------- Footer ------------------------- */
.site-footer {
  padding: 80px 0 0;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  padding-bottom: 64px;
}

@media (min-width: 641px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

.footer-col h4 {
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col .logo { display: block; margin-bottom: 16px; }
.footer-col p { color: var(--color-text-muted); font-size: 15px; margin-bottom: 16px; }

.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--color-text-primary); transition: color 180ms ease-out; font-size: 15px; }
.footer-col a:hover { color: var(--color-wood); }

.footer-col address { font-style: normal; color: var(--color-text-muted); font-size: 15px; line-height: 1.8; }

.footer-credit {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  text-align: center;
}

.footer-credit a {
  color: var(--color-wood);
  transition: color 180ms ease-out;
}

.footer-credit a:hover { color: var(--color-wood-light); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

@media (min-width: 641px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom .legal-links a { color: var(--color-text-muted); }
.footer-bottom .legal-links a:hover { color: var(--color-wood); }
.footer-bottom .legal-links span { margin: 0 8px; color: var(--color-steel); }

/* ------------------------- Zig-zag Service Blocks (Leistungen) ------------------------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding: 64px 0;
}

@media (min-width: 1025px) {
  .service-block { grid-template-columns: 1fr 1fr; gap: 64px; }
  .service-block.reverse .service-media { order: 2; }
  .service-block.reverse .service-text { order: 1; }
}

.service-media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-media img { width: 100%; height: 100%; object-fit: cover; }

.service-text .label { margin-bottom: 12px; }
.service-text h3 { margin-bottom: 16px; font-size: 30px; }
.service-text p { color: var(--color-text-muted); margin-bottom: 20px; }

.service-text ul { display: flex; flex-direction: column; gap: 8px; }
.service-text ul li {
  padding-left: 20px;
  position: relative;
  font-size: 15px;
  color: var(--color-text-primary);
}
.service-text ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-wood);
}

/* ------------------------- Filter Buttons (Projekte) ------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all 180ms ease-out;
}

.filter-btn:hover { border-color: var(--color-wood); color: var(--color-wood); }
.filter-btn.active {
  background: var(--color-signal);
  border-color: var(--color-signal);
  color: var(--color-bg-primary);
}

.project-card { cursor: pointer; }
.project-card.is-hidden { display: none; }

/* ------------------------- Lightbox ------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(18,18,16,0.96);
  z-index: 200;
  display: none;
  overflow-y: auto;
}

.lightbox.is-open { display: block; }

.lightbox-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 100px 24px 64px;
}

.lightbox-close {
  position: fixed;
  top: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  border: 1px solid var(--color-border);
  padding: 10px 16px;
  color: var(--color-text-primary);
  z-index: 201;
}

.lightbox-close:hover { border-color: var(--color-signal); color: var(--color-signal); }

.lightbox-images {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

@media (min-width: 641px) {
  .lightbox-images { grid-template-columns: repeat(2, 1fr); }
  .lightbox-images img:first-child { grid-column: span 2; }
}

.lightbox-images img { border: 1px solid var(--color-border); width: 100%; }

.lightbox-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

@media (min-width: 641px) {
  .lightbox-meta { grid-template-columns: repeat(3, 1fr); }
}

.lightbox-meta strong { color: var(--color-wood); display: block; margin-bottom: 4px; }

/* ------------------------- Forms (Kontakt) ------------------------- */
.form-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 1025px) {
  .form-grid { grid-template-columns: 0.9fr 1.1fr; gap: 64px; }
}

.field { margin-bottom: 24px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 14px 16px;
  border-radius: 0;
  transition: border-color 180ms ease-out;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-wood);
}

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

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.field-checkbox input { width: auto; }
.field-checkbox a { color: var(--color-wood); text-decoration: underline; }

.form-note {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
}

.contact-info h1 { margin-bottom: 24px; }
.contact-block { margin-bottom: 32px; }
.contact-block h4 { margin-bottom: 12px; color: var(--color-text-muted); font-size: 14px; text-transform: uppercase; }
.contact-block address,
.contact-block p { font-style: normal; font-size: 17px; line-height: 1.8; }
.contact-block a:hover { color: var(--color-wood); }

.map-placeholder {
  aspect-ratio: 21 / 9;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  padding: 24px;
}

/* ------------------------- Content Pages Generic ------------------------- */
.text-section p { color: var(--color-text-muted); max-width: 70ch; margin-bottom: 20px; font-size: 17px; }
.text-section p:last-child { margin-bottom: 0; }

.two-col {
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1025px) {
  .two-col { grid-template-columns: 1.2fr 0.8fr; }
}

.caption-photo {
  border: 1px solid var(--color-border);
}

.caption-photo img { width: 100%; }

.caption-photo figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.specs-block {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-top: 24px;
}

.specs-block strong { color: var(--color-text-primary); }

.anspruch-list {
  grid-template-columns: 1fr;
}

@media (min-width: 641px) {
  .anspruch-list { grid-template-columns: repeat(2, 1fr); }
}

.anspruch-item {
  border-left: 2px solid var(--color-signal);
  padding-left: 20px;
}

.anspruch-item .win {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 20px;
  display: block;
}

.anspruch-item .lose {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
}

blockquote {
  border-left: 2px solid var(--color-wood);
  padding-left: 24px;
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 500;
  margin-top: 32px;
}

blockquote cite {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Wood/material cards */
.wood-card .card-media { aspect-ratio: 1 / 1; }
.wood-card h3 { font-size: 20px; margin-bottom: 8px; }

/* Sustainability stat list */
.sustain-list {
  grid-template-columns: 1fr;
  margin-top: 32px;
}

@media (min-width: 641px) {
  .sustain-list { grid-template-columns: repeat(3, 1fr); }
}

.sustain-item {
  border-top: 2px solid var(--color-wood);
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

.sustain-item strong { color: var(--color-text-primary); display: block; margin-bottom: 6px; font-size: 15px; }

/* Legal pages */
.legal-content h2 {
  font-family: var(--font-ui);
  text-transform: none;
  font-size: 20px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { color: var(--color-text-muted); margin-bottom: 16px; max-width: 70ch; }
.legal-content a { color: var(--color-wood); text-decoration: underline; }

/* Scroll fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Noise overlay */
.noise-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0.03;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='100'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}