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

:root {
  --bg: #050816;
  --bg-elevated: #0b1020;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --accent-strong: #6366f1;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.3);
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.7);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition-fast: 180ms ease-out;
  --transition-med: 260ms ease;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #111827 0, #020617 45%, #000 90%);
  color: var(--text);
}

/* Header / Navigation */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.9),
    rgba(15, 23, 42, 0.5),
    transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.navbar {
  max-width: 1120px;
  margin: 0 auto;
  height: var(--nav-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.logo p {
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Desktop-Navigation */

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.8rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-strong));
  border-radius: 999px;
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Toggle */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: var(--text);
  border-radius: 999px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hero */

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 3rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.7s ease-out 0.1s both;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 3.4rem);
  margin: 0 0 0.5rem;
  letter-spacing: 0.03em;
}

.hero-subtitle {
  margin: 0;
  font-size: 1.1rem;
  color: var(--accent-strong);
}

.hero-text {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 36rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.hero-badges span {
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

/* Hero Visual */

.hero-visual {
  position: relative;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  align-items: flex-end;
  justify-content: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, rgba(79, 70, 229, 0.28), transparent 60%);
  opacity: 0.9;
  filter: blur(4px);
  z-index: -1;
}

.hero-card {
  background: radial-gradient(circle at top left, #0b1120, #020617);
  border-radius: var(--radius-xl);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  min-width: 220px;
}

.hero-card-title {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-card-number {
  margin: 0.4rem 0 0.1rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.hero-card-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-med), color var(--transition-med),
    transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.55);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.7);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.6);
}

.btn-outline:hover {
  background: rgba(15, 23, 42, 0.9);
}

/* Sections */

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section-header {
  max-width: 640px;
  margin-bottom: 2.3rem;
}

.section h2 {
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Leistungs-Cards */

.leistungs-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.cards {
  background: radial-gradient(circle at top left, #020617, #020617);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.2rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.8);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cards h3 {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
}

.cards p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Slider */

.slider-container {
  position: relative;
  margin-top: 0.8rem;
  border-radius: 16px;
  overflow: hidden;
  background: #020617;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.slide-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
}

.slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.02) translateX(10px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.slide-img.active {
  opacity: 1;
  transform: scale(1.01) translateX(0);
}

.btn-prev,
.btn-next,
.btn-zoom {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: rgba(15, 23, 42, 0.75);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background var(--transition-fast), transform var(--transition-fast);
  font-size: 1rem;
}

.btn-prev {
  left: 0.5rem;
}

.btn-next {
  right: 0.5rem;
}

.btn-zoom {
  top: 0.9rem;
  right: 0.9rem;
  transform: none;
  font-size: 0.95rem;
}

.btn-prev:hover,
.btn-next:hover,
.btn-zoom:hover {
  background: rgba(15, 23, 42, 0.95);
  transform: translateY(-50%) scale(1.05);
}

.btn-zoom:hover {
  transform: scale(1.05);
}

.card-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.card-list li::before {
  content: "•";
  color: var(--accent-strong);
}

/* Portfolio */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
}

.portfolio-item {
  background: radial-gradient(circle at top left, #020617, #020617);
  padding: 1.1rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.portfolio-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.portfolio-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Über uns */

.about-content {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1.6rem;
}

.about-text p {
  margin-top: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.about-highlight {
  background: radial-gradient(circle at top left, #020617, #020617);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.about-highlight h3 {
  margin-top: 0;
}

.about-highlight ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

/* Kontakt */

.kontakt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 1.8rem;
}

.kontakt-form {
  background: radial-gradient(circle at top left, #020617, #020617);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.form-group {
  margin-bottom: 0.9rem;
}

label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
}

input,
textarea {
  width: 100%;
  padding: 0.55rem 0.6rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 1px solid var(--accent-strong);
  border-color: var(--accent-strong);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.2rem;
  width: auto;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent-strong);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font: inherit;
}

.link-button:hover {
  color: var(--accent);
}

.form-hint {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.kontakt-info {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  padding: 1.2rem 1.5rem 1.6rem;
  margin-top: 1rem;
  background: radial-gradient(circle at top, #020617, #020617);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

/* Modals */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.84);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #020617;
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.4rem;
  max-width: 640px;
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-soft);
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h2 {
  margin-top: 0;
}

.modal p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Bild-Modal */

.modal-image {
  max-width: 900px;
  padding: 0.9rem;
  background: #020617;
}

.modal-image img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Cookie-Banner */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: rgba(15, 23, 42, 0.98);
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  padding: 0.9rem 1rem;
  display: none; /* wird per JS eingeblendet */
}

.cookie-banner.show {
  display: block;
}

.cookie-banner-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cookie-banner-inner p {
  margin: 0;
  line-height: 1.4;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .cookie-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* Animationen */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
    align-items: flex-start;
  }

  .leistungs-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-content,
  .kontakt-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .navbar {
    padding-inline: 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    inset-inline: 0;
    top: var(--nav-height);
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    padding: 0.8rem 1.5rem 1rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med), transform var(--transition-med);
  }

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

  .hero {
    padding-top: 3.5rem;
  }

  .leistungs-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}