/* === FONTS === */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter/inter-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* === VARIABLEN — DARK MODE (Standard) === */
:root {
  --bg-primary: #0a0a0a;
  --bg-card: #1a1a1a;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --border: #2a2a2a;
  --radius: 12px;
  --transition: 0.3s ease;
  --navbar-bg: rgba(10, 10, 10, 0.95);
  --input-bg: #0a0a0a;
  --hero-gradient: linear-gradient(135deg, #0a0a0a 0%, #0f172a 100%);
  --process-bg: #1a1a1a;
}

/* === LIGHT MODE === */
[data-theme="light"] {
  --bg-primary: #f0f4f8;
  --bg-card: #ffffff;
  --accent: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.12);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --border: #cbd5e1;
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --input-bg: #f8fafc;
  --hero-gradient: linear-gradient(135deg, #e8f0fe 0%, #dbeafe 100%);
  --process-bg: #e2e8f0;
}

/* Light mode spezifische Anpassungen */
[data-theme="light"] .card {
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}
[data-theme="light"] .card:hover {
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}
[data-theme="light"] .navbar {
  box-shadow: 0 1px 0 var(--border);
}
[data-theme="light"] .hero::before {
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
}
[data-theme="light"] .faq__item {
  background: var(--bg-card);
  box-shadow: 0 1px 4px rgba(15,23,42,0.06);
}
[data-theme="light"] .btn-outline {
  border-color: var(--accent);
  color: var(--accent);
}
[data-theme="light"] .btn-outline:hover {
  background: rgba(37,99,235,0.08);
}
[data-theme="light"] .navbar__lang button {
  border-color: var(--border);
  color: var(--text-secondary);
}
[data-theme="light"] .pricing__card--featured {
  box-shadow: 0 8px 30px rgba(37,99,235,0.2);
}
[data-theme="light"] .footer {
  background: #e2e8f0;
  border-top-color: var(--border);
}
[data-theme="light"] .whatsapp-btn {
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
}
[data-theme="light"] .process__step {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(15,23,42,0.06);
}
[data-theme="light"] .services-overview__grid .card,
[data-theme="light"] .portfolio__item {
  box-shadow: 0 2px 12px rgba(15,23,42,0.08);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: var(--navbar-bg);
  border-bottom-color: var(--border);
  backdrop-filter: blur(10px);
}
.navbar__logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.navbar__logo span { color: var(--accent); }
.navbar__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.navbar__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.navbar__links a:hover { color: var(--text-primary); }
.navbar__lang {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.navbar__lang button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.navbar__lang button.active {
  border-color: var(--accent);
  color: var(--accent);
}
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}
@media (max-width: 768px) {
  .navbar__hamburger { display: flex; }
  .navbar__links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--navbar-bg);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.2rem;
  }
  .navbar__links.open { display: flex; }
  .navbar__lang { display: none; }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 30px rgba(59,130,246,0.3);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
}

/* === SECTION BASE === */
.section { padding: 5rem 2rem; }
.section__inner { max-width: 1100px; margin: 0 auto; }
.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section__subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
}

/* === CARDS === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

/* === FOOTER === */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 2rem;
}
.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.footer__logo { font-size: 1.3rem; font-weight: 700; }
.footer__logo span { color: var(--accent); }
.footer__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--text-primary); }
.footer__copy { color: var(--text-secondary); font-size: 0.85rem; }

/* === THEME TOGGLE === */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === WHATSAPP BUTTON === */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 0 20px rgba(37,211,102,0.4);
  transition: all var(--transition);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(37,211,102,0.6);
}

/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 5rem;
  background: var(--hero-gradient);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero--small {
  min-height: 30vh;
  padding: 8rem 2rem 3rem;
}
.hero__inner { max-width: 800px; }
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero__title--accent { color: var(--accent); }
.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* === PROCESS === */
.process { background: var(--process-bg); }
.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.process__step { text-align: center; padding: 2rem; }
.process__number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
}
.process__step h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.process__step p { color: var(--text-secondary); font-size: 0.95rem; }

/* === SERVICES OVERVIEW === */
.services-overview__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.card__icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.75rem; font-size: 1.2rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; }

/* === FAQ === */
.faq__list { margin-top: 3rem; display: flex; flex-direction: column; gap: 1rem; }
.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color var(--transition);
}
.faq__item:hover { border-color: var(--accent); }
.faq__item summary {
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  color: var(--accent);
  font-size: 1.5rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === SERVICES DETAIL === */
.service__list {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.service__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.service__list .fa-check { color: var(--accent); flex-shrink: 0; }

/* === PORTFOLIO === */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.portfolio__item { padding: 0; overflow: hidden; }
.portfolio__image { position: relative; overflow: hidden; aspect-ratio: 16/9; background: var(--bg-card); }
.portfolio__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio__item:hover .portfolio__image img { transform: scale(1.05); }
.portfolio__overlay {
  position: absolute; inset: 0;
  background: rgba(10,10,10,0.75);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.portfolio__item:hover .portfolio__overlay { opacity: 1; }
.portfolio__info { padding: 1.5rem; }
.portfolio__info h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.portfolio__info p { color: var(--text-secondary); font-size: 0.9rem; }

/* === PRICING === */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  align-items: start;
}
.pricing__card { position: relative; }
.pricing__card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-8px);
}
.pricing__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing__name { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.75rem; }
.pricing__price { font-size: 2.5rem; font-weight: 800; margin-bottom: 0.5rem; }
.pricing__from { font-size: 1rem; font-weight: 400; color: var(--text-secondary); }
.pricing__desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.5rem; }
.pricing__note {
  text-align: center;
  color: var(--text-secondary);
  margin-top: 2rem;
  font-size: 0.95rem;
}

/* === CONTACT === */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  margin: 0.75rem 0;
  transition: color var(--transition);
  font-size: 0.95rem;
}
.contact__link:hover { color: var(--accent); }
.contact__link i { color: var(--accent); width: 20px; }
.form__group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form__group label { font-size: 0.9rem; font-weight: 600; }
.form__group input, .form__group textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
  width: 100%;
}
.form__group input:focus, .form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form__group textarea { resize: vertical; }
.form-success { color: #22c55e; margin-top: 1rem; font-size: 0.9rem; }
.form-error { color: #ef4444; margin-top: 1rem; font-size: 0.9rem; }
.hidden { display: none; }

/* === ABOUT === */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.about__image img {
  border-radius: var(--radius);
  border: 2px solid var(--border);
  width: 100%;
  max-width: 300px;
}
.about__text h2 { font-size: 2rem; margin-bottom: 1rem; }
.about__text p { color: var(--text-secondary); line-height: 1.8; }

/* === LEGAL PAGES === */
.legal__content h2 { font-size: 1.5rem; margin: 2rem 0 1rem; }
.legal__content h3 { font-size: 1.1rem; margin: 1.5rem 0 0.75rem; color: var(--text-secondary); }
.legal__content p, .legal__content li { color: var(--text-secondary); line-height: 1.8; margin-bottom: 0.75rem; }
.legal__content ul { padding-left: 1.5rem; }
.legal__content a { color: var(--accent); }
.legal__content a:hover { text-decoration: underline; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .section { padding: 3rem 1.25rem; }
  .hero { padding: 7rem 1.25rem 4rem; }
  .hero--small { padding: 7rem 1.25rem 2.5rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .pricing__card--featured { transform: none; }
  .contact__layout { grid-template-columns: 1fr; }
  .about__layout { grid-template-columns: 1fr; }
  .about__image img { max-width: 200px; }
  .navbar { padding: 1rem 1.25rem; }
  .footer { padding: 2rem 1.25rem; }
}
@media (max-width: 480px) {
  .process__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .footer__links { gap: 1rem; }
}