/* ==========================================================================
   WSW-Kunststoff - Stylesheet
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-bg-dark: #0f1e2e;
  --color-ink: #142433;
  --color-ink-soft: #4c5c6e;
  --color-ink-faint: #7c8b9b;
  --color-primary: #142942;
  --color-primary-light: #1f3a5c;
  --color-accent: #e07b1f;
  --color-accent-dark: #b8630f;
  --color-border: #e2e6ea;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 30, 46, 0.07), 0 1px 1px rgba(15, 30, 46, 0.04);
  --shadow-md: 0 12px 28px rgba(15, 30, 46, 0.10);
  --shadow-lg: 0 24px 60px rgba(15, 30, 46, 0.16);
  --container: 1180px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head p {
  margin-top: 14px;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

section {
  padding: 96px 0;
}

.bg-alt {
  background: var(--color-bg-alt);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

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

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

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
}

.brand-text small {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-faint);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  transition: background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: radial-gradient(ellipse at top right, var(--color-primary-light), var(--color-primary) 60%, #0b1826 100%);
  color: #fff;
  overflow: hidden;
  padding: 120px 0 100px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(224, 123, 31, 0.25), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0px, rgba(255, 255, 255, 0.035) 1px, transparent 1px, transparent 26px);
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f3b979;
  margin-bottom: 20px;
}

.hero-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-accent);
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.12;
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  color: #f3b979;
}

.hero p.lead {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 34px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 56px;
  max-width: 540px;
}

.hero-stats .stat {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 16px 14px;
}

.hero-stats .stat strong {
  display: block;
  font-size: 1.5rem;
  color: #fff;
}

.hero-stats .stat span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.hero-visual .ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-visual .ring.r1 {
  inset: 0;
}

.hero-visual .ring.r2 {
  inset: 14%;
  border-color: rgba(224, 123, 31, 0.35);
}

.hero-visual .core {
  position: relative;
  width: 58%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: linear-gradient(160deg, #1f3a5c, #0f1e2e);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  color: #fff;
}

.hero-visual .core svg {
  width: 46%;
  height: 46%;
  color: var(--color-accent);
}

/* ---------- Logo strip ---------- */

.trust-strip {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-faint);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
}

.trust-strip .container span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-strip svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Über uns ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-copy p {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.about-copy blockquote {
  margin: 28px 0 0;
  padding: 20px 24px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(224, 123, 31, 0.12);
  color: var(--color-accent-dark);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

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

.feature-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.feature-item p {
  color: var(--color-ink-soft);
  font-size: 0.92rem;
}

/* ---------- Leistungen ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}

.service-icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent);
}

.service-card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--color-ink-soft);
  font-size: 0.94rem;
}

/* ---------- Produkte ---------- */

.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.product-tab {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--color-ink-soft);
  transition: all 0.15s ease;
}

.product-tab.is-active,
.product-tab:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.product-panels {
  display: grid;
  gap: 24px;
}

.product-panel {
  display: none;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.product-panel.is-active {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

.product-panel .product-media {
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--color-bg-alt), #e9edf1);
  display: grid;
  place-items: center;
  padding: 30px;
  border: 1px solid var(--color-border);
}

.product-panel .product-media svg {
  width: 100%;
  height: auto;
  max-width: 220px;
  color: var(--color-primary);
}

.product-panel .product-media svg .accent {
  color: var(--color-accent);
}

.product-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(224, 123, 31, 0.12);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.product-panel h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.product-panel > .product-info > p {
  color: var(--color-ink-soft);
  margin-bottom: 22px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.spec-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-table th,
.spec-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.spec-table th {
  color: var(--color-ink-faint);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.product-note {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  font-style: italic;
}

/* ---------- Historie ---------- */

.timeline {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(224, 123, 31, 0.18);
}

.timeline-year {
  display: inline-block;
  font-weight: 800;
  color: var(--color-primary);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.timeline-item p {
  color: var(--color-ink-soft);
}

/* ---------- Kontakt ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-card {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-card h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 24px;
}

.contact-line {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.contact-line:last-child {
  margin-bottom: 0;
}

.contact-line .icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-line .icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.contact-line strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 2px;
}

.contact-line a,
.contact-line span.value {
  font-weight: 600;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-ink);
  background: var(--color-bg-alt);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #fff;
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin-top: 12px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.62);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Legal pages ---------- */

.legal-hero {
  background: var(--color-primary);
  color: #fff;
  padding: 72px 0 56px;
}

.legal-hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.legal-content {
  padding: 64px 0 96px;
}

.legal-content .container {
  max-width: 820px;
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 40px;
  margin-bottom: 14px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-ink-soft);
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 20px;
  list-style: disc;
}

.legal-content a {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 320px;
    margin-inline: auto;
  }

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

@media (max-width: 760px) {
  section {
    padding: 64px 0;
  }

  .main-nav {
    position: fixed;
    inset: 76px 16px auto 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    padding: 12px 14px;
  }

  .nav-toggle {
    display: grid;
  }

  .header-actions .btn-primary.header-cta {
    display: none;
  }

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

  .product-panel.is-active {
    grid-template-columns: 1fr;
  }

  .product-panel {
    padding: 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero {
    padding: 100px 0 72px;
  }

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