/* =====================================================
   md-mediadesign — Stylesheet v3
   Dark Premium Agency — Space Grotesk + Inter
   ===================================================== */

/* --- Design Tokens --- */
:root {
  /* Brand — Visitenkarte: Dark Navy + Steel Blue */
  --brand:        #4a80d0;   /* Steel Blue (das "d" im Logo) */
  --brand-bright: #6a9fdf;   /* heller Steel Blue */
  --brand-dark:   #2d5fa8;   /* dunkler Steel Blue */
  --accent:       #3a6bc7;   /* etwas sättigter Akzent */
  --accent-2:     #7ab4e8;   /* helles Himmelblau */
  --cyan:         #5baee0;   /* helles Blau statt Cyan */

  /* Backgrounds — dunkles Navy wie Visitenkarte */
  --bg:           #0d1220;   /* tiefes Dunkelblau-Navy */
  --bg-card:      #111827;   /* etwas heller, Card-Ebene */
  --bg-surface:   #0f1626;   /* Surface-Ebene */
  --bg-elevated:  #162035;   /* leicht aufgehellt */
  --bg-light:     #f0f4ff;

  /* Text */
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-subtle:  #4a6080;
  --text-on-dark: #e2e8f0;

  /* Borders */
  --border:       rgba(74,128,208,0.1);
  --border-md:    rgba(74,128,208,0.18);
  --border-light: rgba(74,128,208,0.30);

  /* Gradients */
  --grad:         linear-gradient(135deg, var(--brand), var(--accent-2));
  --grad-text:    linear-gradient(120deg, var(--brand-bright), var(--accent-2));
  --grad-glow:    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(74,128,208,0.22), transparent 70%);

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Layout */
  --container:    1200px;
  --r:            12px;
  --r-sm:         8px;
  --r-lg:         20px;
  --r-xl:         32px;

  /* Shadows */
  --shadow:    0 1px 3px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --shadow-brand: 0 8px 32px rgba(74,128,208,0.35);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t:    0.3s;
  --tf:   0.15s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-muted);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img   { max-width: 100%; height: auto; display: block; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }

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

/* --- Gradient Text --- */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =====================================================
   Shader Canvas
   ===================================================== */
#shader-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  touch-action: none;
  display: block;
}

/* =====================================================
   Header
   ===================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all var(--t) var(--ease);
}

.site-header.scrolled {
  padding: 14px 0;
  background: rgba(5,5,8,0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.main-nav { display: flex; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  transition: color var(--tf), background var(--tf);
}

.nav-link:hover { color: var(--text); background: var(--border); }

.nav-cta {
  display: block;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: var(--grad);
  border-radius: var(--r-sm);
  transition: opacity var(--tf), box-shadow var(--tf);
}

.nav-cta:hover {
  opacity: 0.88;
  box-shadow: var(--shadow-brand);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}

.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================
   Buttons
   ===================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--grad);
  border: none;
  border-radius: var(--r);
  cursor: pointer;
  transition: opacity var(--tf), box-shadow var(--tf), transform var(--tf);
}

.btn-primary:hover {
  opacity: 0.88;
  box-shadow: var(--shadow-brand);
  transform: translateY(-1px);
}

.btn-primary--lg { padding: 16px 36px; font-size: 16px; }
.btn-primary--full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-on-dark);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-md);
  border-radius: var(--r);
  cursor: pointer;
  transition: background var(--t), border-color var(--t), transform var(--tf);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.10);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

/* =====================================================
   Section Utilities
   ===================================================== */
.section { position: relative; z-index: 1; padding: 96px 0; }

.section-head {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-bright);
  margin-bottom: 16px;
}

.section-label--light { color: var(--brand-bright); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-title--light { color: var(--text); }

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* =====================================================
   Scroll Reveal
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   Hero
   ===================================================== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,18,32,0.08) 0%,
    rgba(13,18,32,0.30) 50%,
    rgba(13,18,32,0.90) 100%
  );
  z-index: 0;
}

.hero-inner { position: relative; z-index: 1; }

.hero-content {
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-on-dark);
  background: rgba(74,128,208,0.12);
  border: 1px solid rgba(74,128,208,0.25);
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-bright);
  box-shadow: 0 0 8px var(--brand);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--brand); }
  50%       { opacity: 0.7; box-shadow: 0 0 16px var(--brand); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  gap: 8px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  padding: 0 24px;
}

.trust-item:first-child { padding-left: 0; }

.trust-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.trust-label {
  font-size: 12px;
  color: var(--text-subtle);
  margin-top: 2px;
}

.trust-divider {
  width: 1px;
  height: 36px;
  background: var(--border-md);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =====================================================
   Marquee
   ===================================================== */
.marquee-band {
  position: relative;
  z-index: 1;
  background: rgba(74,128,208,0.08);
  border-top: 1px solid rgba(74,128,208,0.2);
  border-bottom: 1px solid rgba(74,128,208,0.2);
  overflow: hidden;
  padding: 20px 0;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 0;
}

.marquee-items {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
  flex-shrink: 0;
  animation: marquee 24s linear infinite;
  white-space: nowrap;
}

.marquee-items span {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.marquee-items .mx {
  color: var(--brand);
  font-size: 10px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

/* =====================================================
   Leistungen
   ===================================================== */
.leistungen {
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(74,128,208,0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--t);
}

.service-card:hover {
  border-color: var(--border-md);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card:hover::before { opacity: 1; }

.service-card--featured {
  background: linear-gradient(135deg, rgba(74,128,208,0.12), rgba(58,107,199,0.06));
  border-color: rgba(74,128,208,0.3);
}

.service-card--featured:hover {
  border-color: rgba(74,128,208,0.5);
  box-shadow: 0 8px 40px rgba(74,128,208,0.2);
}

.sc-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-bright);
  background: rgba(74,128,208,0.15);
  border: 1px solid rgba(74,128,208,0.25);
  border-radius: 100px;
  padding: 4px 10px;
}

.sc-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.sc-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--brand-bright);
  margin-bottom: 20px;
  transition: background var(--t), border-color var(--t);
}

.service-card:hover .sc-icon {
  background: rgba(74,128,208,0.12);
  border-color: rgba(74,128,208,0.3);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.sc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-bright);
  transition: gap var(--tf), opacity var(--tf);
}

.sc-link:hover { gap: 10px; opacity: 0.8; }

/* =====================================================
   Feature Section (OnePager)
   ===================================================== */
.feature-section {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 96px 0;
  overflow: hidden;
}

.feature-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--grad);
  opacity: 0.5;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature-content .section-label { display: block; }
.feature-content .section-title { text-align: left; margin-bottom: 20px; }

.feature-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 460px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-on-dark);
}

.feat-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  flex-shrink: 0;
  background: rgba(74,128,208,0.15);
  border: 1px solid rgba(74,128,208,0.3);
  border-radius: 50%;
  color: var(--brand-bright);
}

/* Browser Mockup */
.feature-visual {
  display: flex;
  justify-content: center;
}

.browser-mockup {
  width: 100%;
  max-width: 480px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(74,128,208,0.1);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.browser-dots span:nth-child(1) { background: #ff5f56; }
.browser-dots span:nth-child(2) { background: #febc2e; }
.browser-dots span:nth-child(3) { background: #28c840; }

.browser-url {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-subtle);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 12px;
  max-width: 200px;
  margin: 0 auto;
}

.browser-content { padding: 20px; }

.mock-hero {
  height: 100px;
  background: linear-gradient(135deg, rgba(74,128,208,0.3), rgba(58,107,199,0.15));
  border-radius: var(--r);
  margin-bottom: 14px;
  animation: shimmer 2s ease-in-out infinite;
}

.mock-text {
  height: 10px;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  margin-bottom: 10px;
}

.mock-text--sm { width: 65%; }

.mock-cards {
  display: flex;
  gap: 10px;
  margin: 14px 0;
}

.mock-card {
  flex: 1;
  height: 52px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  animation: shimmer 2s ease-in-out infinite;
}

.mock-card:nth-child(2) { animation-delay: 0.15s; }
.mock-card:nth-child(3) { animation-delay: 0.3s; }

.mock-cta {
  height: 38px;
  background: linear-gradient(135deg, rgba(74,128,208,0.4), rgba(58,107,199,0.22));
  border-radius: var(--r-sm);
  width: 120px;
  margin-top: 14px;
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.7; }
  50%       { opacity: 1; }
}

/* =====================================================
   Stats Section
   ===================================================== */
.stats-section {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 24px 48px;
  flex: 1;
  min-width: 160px;
}

.stat-item .stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-num--pct::after { content: '%'; }

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border-md);
  flex-shrink: 0;
}

/* =====================================================
   Über uns / Timeline
   ===================================================== */
.ueber-uns {
  background: var(--bg-surface);
}

.ueber-uns .section-desc { max-width: 600px; }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 32px 1fr;
  gap: 0 24px;
  align-items: start;
  padding-bottom: 40px;
}

.timeline-item:last-child { padding-bottom: 0; }

.tl-year {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-bright);
  text-align: right;
  padding-top: 4px;
}

.tl-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tl-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-md);
  flex-shrink: 0;
  margin-top: 4px;
  transition: border-color var(--t), background var(--t);
}

.tl-dot--active {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 12px rgba(74,128,208,0.5);
}

.tl-line {
  width: 1px;
  flex: 1;
  min-height: 40px;
  background: var(--border);
  margin-top: 4px;
}

.tl-card {
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--t), box-shadow var(--t);
}

.tl-card--active {
  border-color: rgba(74,128,208,0.3);
  background: rgba(74,128,208,0.06);
}

.tl-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.tl-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =====================================================
   Ablauf (Process)
   ===================================================== */
.ablauf {
  background: var(--bg);
}

.steps {
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: center;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}

.step:hover {
  border-color: rgba(74,128,208,0.3);
  box-shadow: 0 8px 40px rgba(74,128,208,0.12);
  transform: translateY(-4px);
}

.step-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(74,128,208,0.1);
  border: 1px solid rgba(74,128,208,0.2);
  border-radius: var(--r-lg);
  color: var(--brand-bright);
  margin: 0 auto 16px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 12px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-arrow {
  flex-shrink: 0;
  padding: 0 8px;
  color: var(--text-subtle);
  opacity: 0.5;
}

/* =====================================================
   Referenzen (Portfolio)
   ===================================================== */
.referenzen {
  background: var(--bg-surface);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  display: block;
}

.portfolio-card--link { display: block; }

.portfolio-img {
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s var(--ease);
}

.portfolio-card:hover .portfolio-img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,8,0.9) 30%, rgba(5,5,8,0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0.85;
  transition: opacity var(--t);
}

.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-bright);
  background: rgba(74,128,208,0.2);
  border: 1px solid rgba(74,128,208,0.3);
  border-radius: 100px;
  padding: 4px 10px;
  margin-bottom: 10px;
  width: fit-content;
}

.portfolio-overlay h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.portfolio-overlay p {
  font-size: 14px;
  color: var(--text-muted);
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding: 120px 0;
  overflow: hidden;
  text-align: center;
}

.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(74,128,208,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
  margin: 12px 0 20px;
}

.cta-inner p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

/* =====================================================
   Kontakt
   ===================================================== */
.kontakt {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.kontakt-info .section-title { text-align: left; }
.kontakt-info .section-desc  { margin: 0; text-align: left; max-width: 100%; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 36px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--t), background var(--t);
  cursor: pointer;
}

a.contact-item:hover {
  border-color: rgba(74,128,208,0.3);
  background: rgba(74,128,208,0.05);
}

.contact-icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(74,128,208,0.1);
  border-radius: var(--r-sm);
  color: var(--brand-bright);
  flex-shrink: 0;
}

.contact-item div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.contact-item strong {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-subtle);
}

.contact-item span {
  font-size: 15px;
  color: var(--text-on-dark);
}

/* Form */
.kontakt-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
}

.kontakt-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border-md);
  border-radius: var(--r);
  outline: none;
  transition: border-color var(--tf), box-shadow var(--tf);
  width: 100%;
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-subtle); }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(74,128,208,0.5);
  box-shadow: 0 0 0 3px rgba(74,128,208,0.1);
}

.form-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-field select option { background: var(--bg-elevated); }

.form-field textarea { resize: vertical; min-height: 120px; }

/* Checkbox */
.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.checkbox-wrap input[type="checkbox"] { display: none; }

.checkbox-box {
  width: 18px; height: 18px;
  flex-shrink: 0;
  border: 2px solid var(--border-md);
  border-radius: 4px;
  background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
  transition: border-color var(--tf), background var(--tf);
}

.checkbox-wrap input:checked + .checkbox-box {
  background: var(--brand);
  border-color: var(--brand);
}

.checkbox-wrap input:checked + .checkbox-box::after {
  content: '';
  width: 9px; height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  display: block;
}

.checkbox-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.checkbox-text a {
  color: var(--brand-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding: 64px 24px 48px;
}

.footer-brand .footer-logo {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.7;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-subtle);
  line-height: 1.6;
}

.footer-nav h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--text-subtle);
  transition: color var(--tf);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-subtle);
  text-align: center;
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid  { grid-template-columns: 1fr; gap: 48px; }
  .browser-mockup { max-width: 400px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Nav */
  .main-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(320px, 80vw);
    background: rgba(5,5,8,0.97);
    backdrop-filter: blur(24px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    transform: translateX(100%);
    transition: transform var(--t) var(--ease);
    z-index: 90;
  }

  .main-nav.open { transform: translateX(0); }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 40px 32px;
  }

  .nav-link { font-size: 18px; padding: 12px 16px; }
  .nav-cta  { font-size: 18px; padding: 12px 16px; width: 100%; text-align: left; }

  .burger { display: flex; z-index: 110; position: relative; }

  /* Hero */
  .hero-title { font-size: clamp(36px, 10vw, 56px); }
  .hero-sub   { font-size: 16px; }
  .hero-trust { gap: 0; }
  .trust-item { padding: 0 16px; }
  .trust-item:first-child { padding-left: 0; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Stats */
  .stats-grid { flex-direction: column; gap: 0; }
  .stat-item  { padding: 20px 24px; min-width: unset; }
  .stat-divider { width: 60px; height: 1px; }

  /* Steps */
  .steps { flex-direction: column; gap: 24px; }
  .step  { max-width: 100%; width: 100%; }
  .step-arrow { transform: rotate(90deg); }

  /* Portfolio */
  .portfolio-grid { grid-template-columns: 1fr; }

  /* Contact */
  .kontakt-grid { grid-template-columns: 1fr; gap: 48px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .kontakt-form-wrap { padding: 28px 24px; }

  /* Timeline */
  .timeline-item { grid-template-columns: 60px 24px 1fr; gap: 0 16px; }
  .tl-year { font-size: 13px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .hero-trust { flex-direction: column; gap: 16px; }
  .trust-divider { width: 40px; height: 1px; }
  .trust-item { padding: 0; }
}