/* ===== Design Tokens ===== */
:root {
  --green: #2fae4e;
  --green-light: #6fd785;
  --green-dark: #1f7d38;
  --ink: #12161c;
  --ink-soft: #1c222b;
  --gray-900: #1a1d23;
  --gray-700: #4a5160;
  --gray-500: #6b7280;
  --gray-300: #d7dbe0;
  --gray-100: #f4f6f8;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(18, 22, 28, 0.08);
  --shadow-lg: 0 20px 60px rgba(18, 22, 28, 0.18);
  --transition: 0.35s cubic-bezier(.22,.61,.36,1);
  --container-w: 1180px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Manrope', var(--font);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Progress bar ===== */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green), var(--green-light));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(47, 174, 78, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(47, 174, 78, 0.45); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.18); border-color: var(--white); }
.btn-small { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(18, 22, 28, 0.92);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.site-header.scrolled .brand-logo,
.site-header:not(.scrolled) .brand-logo { filter: brightness(0) invert(1); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  opacity: 0.9;
  transition: opacity var(--transition);
  position: relative;
}
.main-nav a:not(.btn):hover { opacity: 1; }
.main-nav a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--green-light);
  transition: width var(--transition);
}
.main-nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
}
.hero-slides {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.4s ease, transform 6s ease;
}
.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,18,23,0.75) 0%, rgba(15,18,23,0.55) 45%, rgba(15,18,23,0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  color: var(--white);
  max-width: 760px;
}
.eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(47, 174, 78, 0.18);
  border: 1px solid rgba(111, 215, 133, 0.4);
  color: var(--green-light);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-texts { position: relative; min-height: 220px; }
.hero-text {
  position: absolute;
  inset: 0 0 auto 0;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}
.hero-text.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--green-light); }
.hero-text p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), width var(--transition);
}
.hero-dots button.is-active {
  background: var(--green-light);
  border-color: var(--green-light);
  width: 26px;
  border-radius: 999px;
}

.scroll-indicator {
  position: absolute;
  right: 40px;
  bottom: 44px;
  width: 30px;
  height: 48px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  z-index: 3;
  display: none;
}
.scroll-indicator span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  background: var(--white);
  border-radius: 999px;
  animation: scrollDown 1.8s infinite;
}
@keyframes scrollDown {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 26px; }
}

/* ===== Sections ===== */
.section {
  padding: 110px 0;
}
.section-alt { background: var(--gray-100); }
.section-dark {
  background: var(--ink);
  color: var(--white);
}
.section-eyebrow {
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-dark .section-eyebrow { color: var(--green-light); }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 640px;
}
.section-lead {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 50px;
}
.section-dark .section-lead { color: rgba(255,255,255,0.7); }

/* ===== Cards ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(47, 174, 78, 0.1);
  color: var(--green-dark);
  margin-bottom: 22px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--gray-500); font-size: 0.98rem; }

/* ===== Competence ===== */
.competence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 48px;
}
.competence {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.competence img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  padding: 10px;
}
.competence img.cert-img { object-position: left; }
.competence img.logo-wide { object-fit: contain; padding: 16px 8px; }
.competence h3 { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.competence p { color: var(--gray-500); font-size: 0.96rem; }

/* ===== Trust bar ===== */
.trust-bar {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
  padding: 26px 0;
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 34px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}
.trust-logo {
  height: 26px;
  width: 26px;
  object-fit: contain;
  flex-shrink: 0;
}
.trust-logo-wide { width: auto; max-width: 92px; }
.trust-logo-crop {
  height: 26px;
  width: 26px;
  object-fit: cover;
  object-position: left top;
  border-radius: 5px;
}
.trust-badge-text {
  height: 26px;
  width: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ===== Business / Fuer Unternehmen ===== */
.business-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.business-list {
  display: grid;
  gap: 16px;
  margin: 32px 0 36px;
}
.business-list li {
  padding-left: 32px;
  position: relative;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
}
.business-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(111, 215, 133, 0.18);
  color: var(--green-light);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.business-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
}
.process-step {
  position: relative;
  padding: 32px 26px 26px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
}
.process-number {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--green-dark);
  background: rgba(47, 174, 78, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.process-step h3 { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.process-step p { color: var(--gray-500); font-size: 0.95rem; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}
.about-text p { color: var(--gray-500); margin-bottom: 18px; }
.about-list { margin-top: 24px; display: grid; gap: 12px; }
.about-list li {
  padding-left: 30px;
  position: relative;
  font-weight: 600;
  color: var(--gray-900);
}
.about-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 800;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.contact-details {
  margin-top: 40px;
  display: grid;
  gap: 22px;
}
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green-light);
  font-weight: 700;
}
.contact-item a { transition: color var(--transition); }
.contact-item a:hover { color: var(--green-light); }

.contact-form {
  background: var(--white);
  color: var(--gray-900);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  align-self: start;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-700);
}
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,174,78,0.15);
}
.form-note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--gray-500);
  text-align: center;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  height: 32px;
  filter: brightness(0) invert(1);
  margin-bottom: 14px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }
.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}
.footer-links a { font-size: 0.92rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--green-light); }
.footer-bottom {
  padding: 22px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Impressum page ===== */
.legal-page {
  padding: 160px 0 100px;
  max-width: 780px;
  margin: 0 auto;
}
.legal-page h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 30px; }
.legal-page h2 { font-size: 1.3rem; font-weight: 700; margin: 34px 0 12px; }
.legal-page p { color: var(--gray-700); margin-bottom: 8px; }
.legal-page a { color: var(--green-dark); text-decoration: underline; }
.legal-back { display: inline-block; margin-bottom: 24px; color: var(--green-dark); font-weight: 600; }

/* ===== Responsive ===== */
@media (min-width: 900px) {
  .scroll-indicator { display: block; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--ink-soft);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { font-size: 1.1rem; }
  .main-nav .btn { margin-top: 10px; }
  .nav-toggle { display: flex; }

  .about-grid, .contact-grid, .business-grid { grid-template-columns: 1fr; }
  .business-grid { gap: 40px; }
  .business-media { order: -1; }
  .competence-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
}

@media (max-width: 640px) {
  .trust-bar-inner { justify-content: flex-start; gap: 12px 22px; }
  .trust-item span:last-child { display: none; }
  .trust-logo, .trust-badge-text, .trust-logo-crop { height: 30px; width: 30px; }
  .trust-logo-wide { width: auto; max-width: 96px; }
}

@media (max-width: 560px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .contact-form { padding: 26px; }
  .footer-inner { flex-direction: column; }
}