/* ═══════════════════════════════════════════════════════════
   TAMANT – Main Stylesheet
   Dark Retrofuturistic Modern Theme
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ─── Custom Properties ─── */
:root {
  --bg-primary:    #050a14;
  --bg-secondary:  #0b1322;
  --bg-card:       #0f1b2d;
  --bg-card-hover: #131f33;

  --accent:        #00c8ff;
  --accent-dim:    rgba(0, 200, 255, 0.12);
  --accent-purple: #6e3cdb;
  --accent-glow:   0 0 40px rgba(0, 200, 255, 0.18);

  --text-primary:  #e8edf5;
  --text-muted:    #7a90a8;
  --text-faint:    #3d5269;

  --border:        rgba(0, 200, 255, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card:   rgba(255, 255, 255, 0.04);

  --font-main: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s var(--ease);
  --transition-slow: 0.6s var(--ease);

  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;
  --radius-xl:  20px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Subtle grid background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

img  { max-width: 100%; height: auto; display: block; }
a    { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
ul, ol { list-style: none; }

/* ─── Typography ─── */
h1, h2, h3, h4 { line-height: 1.18; font-weight: 700; }

h1 { font-size: clamp(2.6rem, 6.5vw, 5.2rem); }
h2 { font-size: clamp(1.8rem, 4vw,   3.2rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.6rem); }
h4 { font-size: 1rem; font-weight: 600; }

.accent { color: var(--accent); }
.mono   { font-family: var(--font-mono); }

/* ─── Layout ─── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { position: relative; z-index: 1; }

/* ─── Section Anatomy ─── */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-tag::before {
  content: '';
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.section-title  { margin-bottom: 1.25rem; }
.section-desc   {
  color: var(--text-muted);
  max-width: 620px;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.875rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}
.btn-primary:hover {
  background: #fff;
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 200, 255, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.4rem 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }

.nav-cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.nav-cta:hover {
  background: #fff !important;
  color: var(--bg-primary) !important;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.22;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5, 10, 20, 0.88) 0%,
    rgba(5, 10, 20, 0.35) 55%,
    rgba(5, 10, 20, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.hero-label::before {
  content: '';
  display: block;
  width: 2rem; height: 1px;
  background: var(--accent);
}

.hero h1 {
  max-width: 840px;
  margin-bottom: 1.5rem;
  background: linear-gradient(145deg, #ffffff 30%, #a8d8f0 70%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2.75rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2.5s ease-in-out infinite;
}
.scroll-hint::after {
  content: '';
  display: block;
  width: 1px; height: 2.5rem;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ─── Divider ─── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ─── Services Section ─── */
.services {
  padding: 7rem 0;
  background: var(--bg-secondary);
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}
.services-header .section-desc { margin-bottom: 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2.5rem 2rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: var(--accent-glow);
}
.service-card:hover::before { transform: scaleX(1); }

.service-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}
.service-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  line-height: 1;
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.875rem;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.72;
  flex: 1;
}
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
}
.card-cta::after { content: '→'; transition: var(--transition); }
.service-card:hover .card-cta::after { margin-left: 4px; }

/* Pricing block */
.pricing-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4.5rem 0;
  border-top: 1px solid var(--border-subtle);
}
.pricing-visual {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  position: relative;
}
.pricing-visual img {
  width: 100%; height: 380px;
  object-fit: cover;
  filter: saturate(0.35) brightness(0.75);
  transition: 0.5s var(--ease);
}
.pricing-visual:hover img {
  filter: saturate(0.6) brightness(0.85);
}
.pricing-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,0.06), transparent);
  pointer-events: none;
}

.pricing-text .section-tag { margin-bottom: 0.75rem; }
.pricing-text h3 { margin-bottom: 1.25rem; }
.pricing-text p  {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.875rem;
  font-size: 0.97rem;
}
.pricing-text .btn-group {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* KI Critical */
.ki-critical {
  background: linear-gradient(135deg, rgba(110, 60, 219, 0.08), rgba(0, 200, 255, 0.04));
  border: 1px solid rgba(110, 60, 219, 0.25);
  border-radius: var(--radius);
  padding: 3rem 3rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.ki-critical::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 60, 219, 0.12), transparent 70%);
  pointer-events: none;
}
.ki-critical h3 {
  margin-bottom: 1rem;
  font-size: 1.4rem;
}
.ki-critical p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.875rem;
  font-size: 0.97rem;
  max-width: 760px;
}

/* ─── Stats Section ─── */
.stats-section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}
.stats-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.stats-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.07;
  filter: grayscale(0.3) brightness(1.2);
}
.stats-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--bg-secondary),
    rgba(5, 10, 20, 0.5) 50%,
    var(--bg-primary)
  );
}
.stats-inner {
  position: relative;
  z-index: 1;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.stat-card {
  text-align: center;
  padding: 3rem 2rem;
  background: rgba(11, 19, 34, 0.82);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}
.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.6rem;
  line-height: 1;
}
.stat-label {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.875rem;
}
.stat-desc {
  font-size: 0.89rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── About Section ─── */
.about { padding: 7rem 0; }

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-split + .about-split {
  margin-top: 6rem;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.about-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  filter: saturate(0.4) brightness(0.82);
  transition: 0.5s var(--ease);
  display: block;
}
.about-image:hover img {
  filter: saturate(0.6) brightness(0.9);
  transform: scale(1.02);
}
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,0.05), transparent);
  pointer-events: none;
}

.about-text .section-desc {
  max-width: 100%;
  margin-bottom: 1.5rem;
}
.about-text p {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
  font-size: 0.97rem;
}
.about-actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.feature-list { margin: 1.75rem 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '✴';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.8rem;
}

/* ─── Team Section ─── */
.team-section { padding: 7rem 0; background: var(--bg-secondary); }

.team-header { text-align: center; margin-bottom: 4rem; }

.team-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  transition: var(--transition);
}
.team-card:hover {
  border-color: var(--border);
  box-shadow: var(--accent-glow);
}

.team-photo { position: relative; }
.team-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.45);
  border: 1px solid var(--border);
  transition: 0.5s var(--ease);
}
.team-card:hover .team-photo img { filter: saturate(0.7); }
.team-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,200,255,0.08), transparent);
  pointer-events: none;
}

.team-info h3 { font-size: 1.5rem; margin-bottom: 0.35rem; }
.team-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.team-info p {
  color: var(--text-muted);
  line-height: 1.78;
  font-size: 0.93rem;
  margin-bottom: 1.75rem;
}
.team-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.team-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.45rem 0.875rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.team-links a:hover {
  color: var(--accent);
  border-color: var(--border);
  background: var(--accent-dim);
}

/* Scientific focus block */
.sci-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  max-width: 960px;
  margin: 4rem auto 0;
  padding-top: 4rem;
  border-top: 1px solid var(--border-subtle);
}
.sci-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.sci-image img {
  width: 100%; height: 340px;
  object-fit: cover;
  filter: saturate(0.4) brightness(0.8);
  transition: 0.5s var(--ease);
}
.sci-image:hover img { filter: saturate(0.65) brightness(0.9); }
.sci-text h3 { margin-bottom: 1rem; }
.sci-text p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

/* ─── Publications Section ─── */
.publications { padding: 7rem 0; }

.pub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.pub-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.pub-tag {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
}
.pub-award {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.67rem;
  color: #f59e0b;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.875rem;
  width: fit-content;
}
.pub-card h4 {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0.875rem;
  flex: 1;
}
.pub-card p {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.6;
}
.pub-card a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-top: auto;
}
.pub-card a:hover { color: #fff; }

/* ─── Projects Section ─── */
.projects { padding: 7rem 0; background: var(--bg-secondary); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2.75rem 2.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--accent-glow);
}
.project-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}
.project-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.project-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
  flex: 1;
}
.project-card .btn-outline { font-size: 0.83rem; padding: 0.55rem 1.1rem; }

/* ─── Booking / CTA Section ─── */
.booking {
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}
.booking-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.booking-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.07;
  filter: grayscale(0.4);
}
.booking-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--bg-primary),
    rgba(5, 10, 20, 0.65) 50%,
    var(--bg-primary)
  );
}
/* Glow pulse */
.booking::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,200,255,0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
  animation: pulse 5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.95); }
  50%       { opacity: 1;   transform: translate(-50%, -50%) scale(1.05); }
}

.booking-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.booking-inner .section-tag,
.booking-inner .section-tag::before {
  margin-left: auto;
  margin-right: auto;
  justify-content: center;
}
.booking-inner .section-title {
  max-width: 700px;
  margin: 0 auto 1.25rem;
}
.booking-inner .section-desc {
  margin: 0 auto 2.5rem;
  text-align: center;
}

/* cal.com inline embed container */
#cal-booking {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

/* ─── Footer ─── */
footer {
  background: #030710;
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 1.75rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-logo img { height: 30px; opacity: 0.65; transition: var(--transition); }
.footer-logo:hover img { opacity: 1; }
.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.84rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-align: center;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ─── Animations ─── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ─── Impressum Page ─── */
.impressum-page {
  padding-top: 8rem;
  padding-bottom: 6rem;
  min-height: 80vh;
}
.impressum-content { max-width: 760px; }
.impressum-content h2 {
  font-size: 1.1rem;
  margin: 2.25rem 0 0.75rem;
  color: var(--text-primary);
  font-weight: 600;
}
.impressum-content p,
.impressum-content address {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 0.95rem;
  font-style: normal;
  margin-bottom: 0.75rem;
}
.impressum-content .note {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: 2rem;
  font-family: var(--font-mono);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .pub-grid       { grid-template-columns: 1fr 1fr; }
  .about-split    { gap: 3rem; }
  .sci-block      { gap: 3rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  /* Fix: backdrop-filter auf der Nav erzeugt einen neuen Containing Block für
     position:fixed Kinder – das Mobile-Overlay würde sonst nur die Nav-Höhe
     statt den ganzen Viewport bedecken. Auf Mobile daher kein blur. */
  .nav.scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(5, 10, 20, 0.97);
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.25rem;
    z-index: 1000;
    border: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }

  .services-grid   { grid-template-columns: 1fr; }
  .pricing-block   { grid-template-columns: 1fr; }
  .stats-grid      { grid-template-columns: 1fr; }
  .about-split     { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-split:nth-child(2) .about-image { order: -1; }
  .team-card       { grid-template-columns: 1fr; gap: 2rem; }
  .sci-block       { grid-template-columns: 1fr; gap: 2.5rem; }
  .pub-grid        { grid-template-columns: 1fr; }
  .projects-grid   {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 1rem;
    scrollbar-width: thin;
  }
  .projects-grid .project-card {
    flex: 0 0 85%;
    min-width: 260px;
    scroll-snap-align: start;
  }
  .services-header { flex-direction: column; align-items: flex-start; }
  .footer-inner    { flex-direction: column; text-align: center; }
  .footer-links    { justify-content: center; }
  .about-image img { height: 300px; }
  .sci-image img   { height: 260px; }

  /* Fix: Labeltext (Wissenschaft:/Praxis:) als Block, damit die unterschiedliche
     Label-Länge nicht zu visuell ungleichmäßiger Einrückung führt. */
  .feature-list li strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-content { padding: 0 1.25rem; }
  .nav-inner { padding: 0 1.25rem; }
  .booking-inner .btn { width: 100%; justify-content: center; }

  /* Fix: Ki-Critical Box – weniger Innenabstand, damit der lange Button-Text
     nicht abgeschnitten wird. white-space: normal erlaubt Zeilenumbruch. */
  .ki-critical {
    padding: 1.75rem 1.5rem 1.5rem;
  }
  .ki-critical .btn {
    white-space: normal;
    text-align: center;
  }
}