/*
Theme Name: Schanzer 3D
Theme URI: https://schanzer-3d.de
Author: Schanzer 3D
Author URI: https://schanzer-3d.de
Description: Custom WordPress Theme für Schanzer 3D – Professioneller 3D-Druck Service
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: schanzer-3d
*/

/* ============================================================
   FONTS – Lokal eingebunden (DSGVO-konform)
   ============================================================ */
@font-face {
  font-family: 'Space Grotesk';
  font-weight: 300 700;
  font-display: swap;
  src: url('assets/fonts/SpaceGrotesk-Variable-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Space Grotesk';
  font-weight: 300 700;
  font-display: swap;
  src: url('assets/fonts/SpaceGrotesk-Variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-weight: 300 700;
  font-display: swap;
  src: url('assets/fonts/Inter-Variable-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Inter';
  font-weight: 300 700;
  font-display: swap;
  src: url('assets/fonts/Inter-Variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============================================================
   CSS CUSTOM PROPERTIES – Industrial Design System
   ============================================================ */
:root {
  --font-headline: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Surface System */
  --color-bg: #131313;
  --color-surface-lowest: #0e0e0e;
  --color-surface-low: #1c1b1b;
  --color-surface: #201f1f;
  --color-surface-high: #2a2a2a;
  --color-surface-highest: #353534;
  --color-surface-bright: #393939;

  /* Primary */
  --color-primary: #ffb59c;
  --color-primary-rgb: 255, 181, 156;
  --color-primary-container: #ff713d;
  --color-on-primary: #5c1900;
  --color-on-primary-container: #631b00;

  /* Tertiary */
  --color-tertiary: #98cbff;
  --color-tertiary-container: #00a3ff;

  /* Text */
  --color-on-surface: #e5e2e1;
  --color-on-surface-variant: #bec7d4;
  --color-on-secondary-container: #b6b5b4;

  /* Outline */
  --color-outline: #88919d;
  --color-outline-variant: #3f4852;

  /* Secondary */
  --color-secondary: #c8c6c5;
  --color-secondary-container: #474746;

  /* Error */
  --color-error: #ffb4ab;
  --color-error-container: #93000a;

  /* Gradients */
  --gradient-industrial: linear-gradient(135deg, #ffb59c 0%, #ff713d 100%);

  /* Typography Scale */
  --text-xs: clamp(0.65rem, 0.6rem + 0.2vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
  --text-lg: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.8rem, 1.3rem + 2.5vw, 2.75rem);
  --text-4xl: clamp(2.2rem, 1.5rem + 3.5vw, 3.5rem);
  --text-hero: clamp(2.8rem, 1.5rem + 5.5vw, 5.5rem);

  /* Spacing */
  --radius: 2px;
  --radius-sm: 2px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-on-surface);
  font-size: var(--text-base);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #fff;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  color: var(--color-on-surface);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.03em;
}

::selection {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Industrial Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface-lowest); }
::-webkit-scrollbar-thumb { background: var(--color-secondary-container); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 3vw, 3rem);
}

section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  position: relative;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0;
  background: var(--color-bg);
  transition: background var(--transition-base), border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}

.navbar--scrolled {
  background: var(--color-bg);
  border-bottom-color: rgba(63, 72, 82, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-headline);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-secondary-container);
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  padding: 0.55rem 1.25rem !important;
  background: var(--color-primary-container) !important;
  color: var(--color-on-primary-container) !important;
  font-family: var(--font-headline) !important;
  font-weight: 700 !important;
  font-size: var(--text-xs) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  transition: all var(--transition-fast) !important;
}

.nav-cta:hover {
  transform: scale(0.95) !important;
  color: var(--color-on-primary-container) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-surface);
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1023px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 360px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    background: rgba(14, 14, 14, 0.97);
    backdrop-filter: blur(20px);
    padding: 2rem;
    gap: 1.8rem;
    transition: right var(--transition-slow);
    border-left: 1px solid var(--color-outline-variant);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: var(--text-lg);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
  }

  .nav-overlay.active {
    display: block;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

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

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: grayscale(1) contrast(1.2);
}

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

.hero-canvas canvas {
  width: 100%;
  height: 100%;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to right, var(--color-bg), rgba(19,19,19,0.8), transparent),
    linear-gradient(to top, var(--color-bg) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.hero h1 .gradient-text {
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-on-surface-variant);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-industrial);
  color: var(--color-on-primary-container);
}

.btn-primary:hover {
  transform: scale(0.95);
  color: var(--color-on-primary-container);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(63, 72, 82, 0.3);
}

.btn-ghost:hover {
  background: var(--color-surface-high);
  color: #fff;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   SCROLL INDICATOR
   ============================================================ */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-on-surface-variant);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.scroll-indicator-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(180deg, var(--color-primary), transparent);
  animation: scroll-line 2s ease infinite;
}

@keyframes scroll-line {
  0% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
  100% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  border-top: 1px solid rgba(63, 72, 82, 0.15);
  border-bottom: 1px solid rgba(63, 72, 82, 0.15);
  padding: 3rem 0;
  background: var(--color-surface-low);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--color-outline-variant);
}

.stat-number {
  font-family: var(--font-headline);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 400;
  margin-bottom: 1rem;
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-on-surface-variant);
  max-width: 600px;
  font-weight: 300;
}

/* ============================================================
   FILE FORMAT BANNER
   ============================================================ */
.formats {
  padding: 2.5rem 0;
  border-top: 1px solid rgba(63, 72, 82, 0.1);
  border-bottom: 1px solid rgba(63, 72, 82, 0.1);
  overflow: hidden;
  background: var(--color-bg);
}

.formats-track {
  display: flex;
  gap: 3rem;
  animation: ticker 20s linear infinite;
  width: max-content;
}

.format-item {
  font-family: var(--font-headline);
  font-size: var(--text-xl);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.05);
  white-space: nowrap;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.format-item span {
  color: rgba(var(--color-primary-rgb), 0.15);
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   SERVICES – Industrial Grid
   ============================================================ */
.services {
  background: var(--color-bg);
}

.services .section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid rgba(63, 72, 82, 0.15);
  padding-bottom: 2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 3.5rem;
  background: rgba(63, 72, 82, 0.15);
  border: 1px solid rgba(63, 72, 82, 0.15);
}

.service-card {
  position: relative;
  padding: 0;
  background: var(--color-bg);
  transition: background var(--transition-base);
  overflow: hidden;
}

.service-card:hover {
  background: var(--color-surface-low);
}

.service-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.service-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
  pointer-events: none;
  transition: background var(--transition-base);
}

.service-card:hover .service-img::after {
  background: linear-gradient(to top, var(--color-surface-low) 0%, transparent 100%);
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: grayscale(0.5);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.service-card:hover .service-img img {
  opacity: 0.7;
  filter: grayscale(0);
}

.service-body {
  padding: 0 2.5rem 2.5rem;
}

.service-num {
  font-family: monospace;
  font-size: var(--text-xs);
  color: var(--color-outline-variant);
  margin-bottom: 1.5rem;
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-size: var(--text-2xl);
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.service-card p {
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  font-family: monospace;
  color: var(--color-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-tag::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-tertiary);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-img {
    height: 160px;
  }
}

/* ============================================================
   MATERIALS TEASER (Homepage)
   ============================================================ */
.materials-teaser {
  background: var(--color-surface-low);
}

.material-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.material-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(63, 72, 82, 0.15);
  background: var(--color-bg);
  color: var(--color-on-surface);
  text-decoration: none;
  transition: all var(--transition-fast);
  min-width: 110px;
}

.material-chip strong {
  font-size: var(--text-lg);
  font-family: var(--font-headline);
  letter-spacing: -0.02em;
}

.material-chip span {
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.material-chip:hover {
  border-color: rgba(var(--color-primary-rgb), 0.3);
  background: var(--color-surface);
  color: var(--color-on-surface);
}

@media (max-width: 640px) {
  .material-chips { gap: 0.5rem; }
  .material-chip { min-width: 90px; padding: 0.75rem 1rem; }
}

/* ============================================================
   PROCESS – Industrial Steps
   ============================================================ */
.process {
  background: var(--color-bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-top: 3.5rem;
}

.process-step {
  position: relative;
  padding-top: 2rem;
}

.step-num {
  font-family: var(--font-headline);
  font-size: clamp(4rem, 3rem + 4vw, 6rem);
  font-weight: 700;
  color: var(--color-surface-high);
  position: absolute;
  top: -1rem;
  left: -0.25rem;
  line-height: 1;
  z-index: 0;
  letter-spacing: -0.05em;
}

.process-step h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.process-step p {
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

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

/* ============================================================
   FAQ – Industrial Accordion
   ============================================================ */
.faq {
  background: var(--color-surface-low);
}

.faq-grid {
  max-width: 800px;
  margin: 3.5rem auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(63, 72, 82, 0.15);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item:first-child {
  border-top: 1px solid rgba(63, 72, 82, 0.15);
}

.faq-item:hover,
.faq-item.open {
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  background: transparent;
  border: none;
  color: var(--color-on-surface);
  font-family: var(--font-headline);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  letter-spacing: -0.01em;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

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

.faq-answer-inner {
  padding: 0 0 1.5rem;
  color: var(--color-on-surface-variant);
  line-height: 1.8;
  font-size: var(--text-sm);
}

/* ============================================================
   BLOG PREVIEW (Homepage)
   ============================================================ */
.blog {
  background: var(--color-bg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.blog-card {
  overflow: hidden;
  background: var(--color-surface-low);
  transition: all var(--transition-base);
}

.blog-card:hover {
  background: var(--color-surface);
}

.blog-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.blog-card-link:hover {
  color: inherit;
}

.blog-img {
  height: 220px;
  position: relative;
  overflow: hidden;
}

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

.blog-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-on-surface-variant);
}

.blog-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.25rem 0.6rem;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(53, 53, 52, 0.9);
  backdrop-filter: blur(8px);
  color: var(--color-tertiary);
  border: 1px solid rgba(63, 72, 82, 0.2);
}

.blog-body {
  padding: 1.5rem;
}

.blog-meta {
  font-size: 10px;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
}

.blog-card h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.6rem;
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.blog-card:hover h3 {
  color: var(--color-primary);
}

.blog-card p {
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-weight: 300;
}

.blog-link {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-on-surface);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.blog-link:hover {
  color: var(--color-primary);
}

.blog-link svg {
  transition: transform var(--transition-fast);
}

.blog-link:hover svg {
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-img {
    height: 200px;
  }
}

/* ============================================================
   BLOG PAGE & SINGLE POST
   ============================================================ */
.blog-page-header {
  text-align: center;
  padding-top: 2rem;
}

.blog-single-hero {
  max-width: 900px;
  margin: 2.5rem auto;
  overflow: hidden;
}

.blog-single-img {
  width: 100%;
  height: auto;
  display: block;
}

.blog-single-content {
  max-width: 750px;
  margin: 0 auto;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-on-surface-variant);
}

.blog-single-content h2 {
  font-size: var(--text-2xl);
  color: var(--color-on-surface);
  margin: 2.5rem 0 1rem;
}

.blog-single-content h3 {
  font-size: var(--text-xl);
  color: var(--color-on-surface);
  margin: 2rem 0 0.75rem;
}

.blog-single-content p {
  margin-bottom: 1.25rem;
}

.blog-single-content ul,
.blog-single-content ol {
  margin: 1rem 0 1.25rem 1.5rem;
}

.blog-single-content li {
  margin-bottom: 0.5rem;
}

.blog-single-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-surface);
  color: var(--color-on-surface);
  font-style: italic;
}

.blog-single-content img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
}

.blog-single-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-single-content a:hover {
  color: var(--color-on-surface);
}

.blog-back-link {
  max-width: 750px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(63, 72, 82, 0.15);
}

.blog-back-link a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-back-link a:hover {
  gap: 0.8rem;
}

.blog-pagination {
  margin-top: 3rem;
  text-align: center;
}

.blog-pagination .nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-on-surface-variant);
  background: var(--color-surface);
  border: 1px solid rgba(63, 72, 82, 0.15);
  transition: all var(--transition-fast);
}

.blog-pagination .page-numbers:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.blog-pagination .page-numbers.current {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

/* ============================================================
   CONTACT CTA – Industrial Block
   ============================================================ */
.contact-cta {
  background: var(--color-bg);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.contact-cta-block {
  background: var(--color-surface-highest);
  padding: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.contact-cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.contact-cta-content h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
}

.contact-cta-content p {
  font-size: var(--text-lg);
  color: var(--color-on-surface-variant);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  font-weight: 300;
}

.contact-cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.contact-cta-meta {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-cta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-on-surface-variant);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
}

.contact-cta-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

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

.form-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: none;
  background: var(--color-surface-lowest);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%2388919d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--color-surface-lowest);
  color: var(--color-on-surface);
  padding: 0.5rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.form-group--checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 0.3rem;
  accent-color: var(--color-primary);
}

.form-group--checkbox label {
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  font-weight: 400;
  margin-bottom: 0;
  text-transform: none;
  letter-spacing: normal;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  margin-top: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group.has-error input,
.form-group.has-error textarea {
  box-shadow: inset 0 0 0 2px var(--color-error);
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: 0.3rem;
}

.form-success {
  text-align: center;
  padding: 2rem;
}

.form-success h3 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

/* File Upload */
.file-upload-area {
  position: relative;
  border: 2px dashed rgba(63, 72, 82, 0.3);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.file-upload-area:hover,
.file-upload-area.drag-over {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.03);
}

.file-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
}

.file-upload-placeholder svg {
  color: var(--color-primary);
  opacity: 0.6;
}

.file-upload-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-on-surface);
}

.file-upload-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-primary);
}

.file-upload-size {
  color: var(--color-on-surface-variant);
  flex-shrink: 0;
}

.file-upload-remove {
  background: none;
  border: none;
  color: var(--color-on-surface-variant);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
  transition: color var(--transition-fast);
}

.file-upload-remove:hover {
  color: var(--color-error);
}

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

/* ============================================================
   MATERIALS PAGE
   ============================================================ */
.materials-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 3rem;
  background: rgba(63, 72, 82, 0.15);
  border: 1px solid rgba(63, 72, 82, 0.15);
}

.material-card {
  background: var(--color-bg);
  padding: 2.5rem;
  transition: background var(--transition-fast), opacity 0.7s ease, transform 0.7s ease;
}

.material-card:hover {
  background: var(--color-surface-low);
}

.material-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.material-name {
  font-size: var(--text-2xl);
  font-family: var(--font-headline);
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.material-subtitle {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.material-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.material-tag {
  padding: 0.25rem 0.6rem;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(var(--color-primary-rgb), 0.1);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-primary);
}

.material-desc {
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.material-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.material-pros h4,
.material-cons h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.material-pros h4 { color: #43A047; }
.material-cons h4 { color: var(--color-error); }

.material-pros ul,
.material-cons ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.material-pros li,
.material-cons li {
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  padding: 0.25rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.material-pros li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: #43A047;
  font-weight: 700;
  font-family: monospace;
}

.material-cons li::before {
  content: '\2212';
  position: absolute;
  left: 0;
  color: var(--color-error);
  font-weight: 700;
  font-family: monospace;
}

.material-uses { margin-bottom: 1.5rem; }

.material-uses h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-on-surface);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.material-use-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.material-use-tag {
  padding: 0.25rem 0.6rem;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-surface);
  border: 1px solid rgba(63, 72, 82, 0.15);
  color: var(--color-on-surface-variant);
}

.color-palette h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-on-surface);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.color-dots {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.color-dot {
  width: 24px;
  height: 24px;
  display: inline-block;
  cursor: default;
  transition: transform var(--transition-fast);
  position: relative;
}

.color-dot:hover { transform: scale(1.3); }

.color-dot--border {
  border: 2px solid var(--color-outline-variant);
}

.color-dot-more {
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  font-style: italic;
}

@media (max-width: 768px) {
  .material-card { padding: 1.5rem; }
  .material-card-header { flex-direction: column; }
  .material-pros-cons { grid-template-columns: 1fr; gap: 1rem; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface-lowest);
  padding: 4rem 0 0;
  border-top: 1px solid rgba(63, 72, 82, 0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(63, 72, 82, 0.1);
}

.footer-brand-desc {
  color: var(--color-secondary-container);
  font-size: var(--text-xs);
  margin-top: 1rem;
  max-width: 300px;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.footer h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: #fff;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-secondary-container);
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

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

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-secondary-container);
  letter-spacing: 0.02em;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--color-secondary-container);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--text-xs);
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  padding: 1.5rem;
  background: rgba(14, 14, 14, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(63, 72, 82, 0.15);
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  max-width: 600px;
  line-height: 1.6;
}

.cookie-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.cookie-details {
  display: none;
  padding: 1rem 0;
  margin-top: 0.8rem;
}

.cookie-details label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  margin-bottom: 0.4rem;
}

.cookie-details input {
  accent-color: var(--color-primary);
}

.btn-cookie {
  padding: 0.6rem 1.3rem;
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-headline);
  border: none;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.btn-cookie-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

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

.btn-cookie-secondary {
  background: transparent;
  color: var(--color-on-surface);
  border: 1px solid rgba(63, 72, 82, 0.3);
}

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

.btn-cookie-link {
  background: none;
  color: var(--color-on-surface-variant);
  border: none;
  text-decoration: underline;
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h3 {
  font-size: var(--text-lg);
  margin: 2rem 0 0.75rem;
  color: var(--color-primary);
}

.legal-content p,
.legal-content li {
  color: var(--color-on-surface-variant);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.legal-content ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.legal-content a:hover {
  opacity: 0.8;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.35s; }

/* Hero entrance */
.hero-content > * {
  opacity: 0;
  transform: translateY(30px);
  animation: heroEnter 0.8s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.3s; }
.hero-content > *:nth-child(2) { animation-delay: 0.5s; }
.hero-content > *:nth-child(3) { animation-delay: 0.7s; }
.hero-content > *:nth-child(4) { animation-delay: 0.9s; }

@keyframes heroEnter {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   MOBILE CTA STICKY
   ============================================================ */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 0.8rem 1rem;
  background: rgba(14, 14, 14, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(63, 72, 82, 0.15);
}

.mobile-cta .btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 768px) {
  .mobile-cta { display: block; }
  .contact { padding-bottom: 6rem; }
}

/* ============================================================
   PAGE TEMPLATE
   ============================================================ */
.page-content {
  min-height: 60vh;
  padding: clamp(6rem, 10vw, 10rem) 0 clamp(4rem, 8vw, 8rem);
}

.page-content h1 {
  font-size: var(--text-3xl);
  margin-bottom: 2rem;
}

.page-content p {
  color: var(--color-on-surface-variant);
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* ============================================================
   TRUST BADGES
   ============================================================ */
.trust-badges {
  padding: 3rem 0;
  border-top: 1px solid rgba(63, 72, 82, 0.05);
  border-bottom: 1px solid rgba(63, 72, 82, 0.05);
}

.trust-badges-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  align-items: center;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.trust-badges-inner:hover {
  opacity: 1;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-badge svg {
  width: 24px;
  height: 24px;
  color: var(--color-on-surface);
}

.trust-badge span {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-on-surface);
}