/* ======================================================
   PERAL TECHNOLOGIES – Stylesheet
   Design System: "Architectural Editorial"
   ======================================================
   FARBEN / COLORES / COLORS:
   Primary Green: #006e19 (deep) / #00b830 (vibrant)
   Surfaces: white (#fff) → light gray (#d9dadb)
   Text: #191c1d (never pure black)
   
   SCHRIFTEN / FONTS:
   Headlines: Manrope (bold, tight tracking)
   Body/Label: Inter (light, readable)

   Um die Hauptfarbe zu ändern, ändere --primary und --primary-container.
   Para cambiar el color principal, cambia --primary y --primary-container.
   ====================================================== */

/* ====== LOKALE SCHRIFTARTEN ====== */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 300; font-display: swap; src: url('fonts/inter-300.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/inter-400.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/inter-500.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/inter-600.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/inter-700.ttf') format('truetype'); }

@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 300; font-display: swap; src: url('fonts/manrope-300.ttf') format('truetype'); }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/manrope-400.ttf') format('truetype'); }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/manrope-600.ttf') format('truetype'); }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/manrope-700.ttf') format('truetype'); }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 800; font-display: swap; src: url('fonts/manrope-800.ttf') format('truetype'); }

/* ====== DESIGN TOKENS ====== */
:root {
  --primary: #006e19;
  --primary-container: #00b830;
  --on-primary: #ffffff;
  --secondary: #4f6350;
  --secondary-container: #d1e9d0;
  --tertiary: #406180;
  --surface: #f8f9fa;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --surface-container-highest: #e1e3e4;
  --on-surface: #191c1d;
  --on-surface-variant: #3d4a3a;
  --outline: #6d7b68;
  --outline-variant: #bccbb5;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.75; }

/* ====== SPRACH-SYSTEM ====== */
[data-lang] { display: none; }
[data-lang="es"] { display: revert; }

/* ====== NAVIGATION – Glassmorphism ====== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 2rem;
}

.nav-logo { flex-shrink: 0; }
.nav-logo img { height: 34px; width: auto; }

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

.nav-links a {
  color: var(--secondary);
  font-family: 'Manrope', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--on-surface); opacity: 1; }

.lang-switch {
  display: flex;
  gap: 2px;
  background: var(--surface-container-high);
  border-radius: 10px;
  padding: 3px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s;
  letter-spacing: 0.03em;
}

.lang-btn.active { background: var(--primary); color: var(--on-primary); }
.lang-btn:hover:not(.active) { color: var(--on-surface); background: var(--surface-container); }


.lang-switch-mobile { display: none; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--on-surface); margin: 5px 0; border-radius: 2px; transition: all 0.3s; }

/* ====== HERO ====== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 2rem 100px;
  background: var(--surface-container-low);
  position: relative;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

.hero-logo {
  width: 340px;
  max-width: 80%;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-tagline {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  letter-spacing: -0.01em;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-line {
  width: 50px;
  height: 2px;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  margin: 2.5rem auto;
  border-radius: 2px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 40px;
  border-radius: 14px;
  transition: all 0.3s;
  box-shadow: 0 8px 30px rgba(0, 110, 25, 0.15);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-cta:hover {
  box-shadow: 0 12px 40px rgba(0, 110, 25, 0.25);
  transform: translateY(-2px);
  color: var(--on-primary);
  opacity: 1;
}

/* ====== SECTIONS ====== */
section { padding: 120px 2rem; }

.section-inner { max-width: 1000px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--on-surface);
}

.section-text {
  font-size: 1.05rem;
  color: var(--secondary);
  max-width: 650px;
  line-height: 1.8;
  font-weight: 300;
}

/* ====== ABOUT – Surface Stacking ====== */
#about { background: var(--surface-container); }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.stat-item {
  text-align: center;
  background: var(--surface-container-lowest);
  padding: 2.5rem 1.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(25, 28, 29, 0.04);
  transition: all 0.4s;
}

.stat-item:hover {
  box-shadow: 0 12px 40px rgba(25, 28, 29, 0.06);
  transform: translateY(-4px);
}

.stat-number {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* ====== SERVICES ====== */
#services { background: var(--surface); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--surface-container-lowest);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: all 0.4s;
  box-shadow: 0 2px 12px rgba(25, 28, 29, 0.03);
}

.service-card:hover {
  background: rgba(209, 233, 208, 0.25);
  box-shadow: 0 12px 40px rgba(25, 28, 29, 0.06);
  transform: translateY(-4px);
}

.service-icon {
  background: rgba(0, 184, 48, 0.1);
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all 0.4s;
}

.service-card:hover .service-icon { background: var(--primary); }

.service-title {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* ====== QUALITY ====== */
#quality { background: var(--surface-container-low); }

.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.quality-card {
  background: var(--surface-container-lowest);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 2px 12px rgba(25, 28, 29, 0.03);
}

.quality-icon {
  background: rgba(0, 184, 48, 0.1);
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.quality-badge {
  width: 160px;
  height: auto;
  margin-bottom: 1.5rem;
}

.quality-title {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.quality-text {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 0.8rem;
}

.quality-list {
  list-style: none;
  margin-bottom: 1.2rem;
}

.quality-list li {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
  padding-left: 1.2rem;
  position: relative;
}

.quality-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* ====== JOBS ====== */
#jobs { background: var(--surface-container); }

.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.job-card {
  background: var(--surface-container-lowest);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 2px 12px rgba(25, 28, 29, 0.03);
}

.job-icon {
  background: rgba(0, 184, 48, 0.1);
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.job-title {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.job-desc {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 0.8rem;
}

.job-list {
  list-style: none;
  margin-bottom: 1.2rem;
}

.job-list li {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
  padding-left: 1.2rem;
  position: relative;
}

.job-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

.job-subtitle {
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 0.5rem;
}

.job-offer {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 400;
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
}

.job-contact {
  font-size: 0.92rem;
  color: var(--secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* ====== CONTACT ====== */
#contact { background: var(--surface-container-low); }

.contact-card {
  background: var(--surface-container-lowest);
  border-radius: 20px;
  padding: 4rem;
  box-shadow: 0 4px 24px rgba(25, 28, 29, 0.04);
}

.contact-image {
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.contact-info-item { margin-bottom: 2rem; }

.contact-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.contact-value { font-size: 1rem; color: var(--on-surface); line-height: 1.7; }
.contact-value a { color: var(--primary); font-weight: 500; }

.contact-map {
  display: none;
  filter: grayscale(0.3) contrast(1.05);
}

/* ====== FOOTER ====== */
footer {
  background: var(--surface-container-lowest);
  padding: 50px 2rem 30px;
}

.footer-inner { max-width: 1000px; margin: 0 auto; }

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.5rem;
}

.footer-logo img { height: 26px; opacity: 0.5; }
.footer-links { display: flex; gap: 2rem; }

.footer-links a {
  font-size: 0.8rem;
  color: var(--secondary);
  transition: color 0.3s;
  font-weight: 500;
}

.footer-links a:hover { color: var(--primary); opacity: 1; }

.footer-bottom {
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--outline);
  text-align: center;
}

/* ====== LEGAL OVERLAYS ====== */
.legal-overlay {
  display: none;
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(25, 28, 29, 0.4);
  backdrop-filter: blur(12px);
  overflow-y: auto;
  padding: 80px 2rem;
}

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

.legal-content {
  max-width: 700px;
  margin: 0 auto;
  background: var(--surface-container-lowest);
  border-radius: 20px;
  padding: 3rem;
  position: relative;
  box-shadow: 0 24px 80px rgba(25, 28, 29, 0.12);
}

.legal-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: var(--surface-container-high);
  border: none; color: var(--secondary);
  font-size: 1.2rem; cursor: pointer;
  transition: all 0.3s; line-height: 1;
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}

.legal-close:hover { background: var(--surface-container-highest); color: var(--on-surface); }

.legal-content h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.6rem; font-weight: 800;
  margin-bottom: 1.5rem; color: var(--on-surface);
  letter-spacing: -0.02em;
}

.legal-content h3 {
  font-size: 0.85rem; font-weight: 700;
  margin-top: 1.5rem; margin-bottom: 0.5rem;
  color: var(--primary); text-transform: uppercase;
  letter-spacing: 0.08em;
}

.legal-content p {
  font-size: 0.9rem; color: var(--secondary);
  line-height: 1.7; margin-bottom: 0.8rem;
}

/* ====== ANIMATIONEN ====== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-inner > .lang-switch { display: none; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
  }

  .nav-links.open { display: flex; }
  .nav-links .lang-switch-mobile { display: list-item; }

  .nav-logo img { height: 28px; }
  .hero-logo { width: 260px; }

  .about-stats { grid-template-columns: 1fr; gap: 1rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: 1.5rem; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }

  section { padding: 80px 1.5rem; }
  .hero { padding: 120px 1.5rem 80px; }
}