/* ============================================================
   Samuel Krompasky — IT Consulting and Development
   Main Stylesheet
   ============================================================ */

/* ----------------------------------------------------------
   0. Self-Hosted Fonts (DSGVO-konform — keine externe Verbindung)
   ---------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+00C4, U+00D6, U+00DC, U+00E4, U+00F6, U+00FC,
    U+00DF, U+FEFF, U+FFFD;
}

/* ----------------------------------------------------------
   1. CSS Custom Properties
   ---------------------------------------------------------- */
:root {
  /* Colors */
  /* #0080A8 on #FFFFFF = 4.51:1 — passes WCAG AA; matches logo swoosh teal */
  --color-primary: #0080A8;
  --color-primary-dark: #006280;
  --color-primary-light: #E0F4F8;
  --color-primary-glow: rgba(0, 128, 168, 0.25);
  --color-text: #1A202C;
  --color-text-secondary: #718096;
  --color-text-light: #A0AEC0;
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F7FAFC;
  --color-bg-dark: #1A202C;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E0;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-primary: 0 8px 25px var(--color-primary-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-tooltip: 500;

  /* Layout */
  --container-max: 1280px;
  --container-padding: var(--space-6);
  --nav-height: 108px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

/* ----------------------------------------------------------
   3. Typography Utilities
   ---------------------------------------------------------- */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-white { color: #fff; }

/* ----------------------------------------------------------
   4. Layout Utilities
   ---------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.grid {
  display: grid;
}

.flex {
  display: flex;
}

.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* ----------------------------------------------------------
   5. Navigation
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  will-change: transform;
  transition: background-color 0.2s ease,
              box-shadow 0.2s ease,
              transform 0.3s ease-out;
}

.nav.nav--hidden {
  transform: translateY(-100%);
}

.nav.nav--transparent {
  background-color: transparent;
}

.nav.nav--solid {
  background-color: #ffffff;
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  height: var(--nav-height);
  overflow: hidden;
}

.nav__logo-img {
  /* Slightly oversized so transparent padding is cropped by nav__logo overflow:hidden */
  height: 165px;
  width: auto;
  max-width: none;
  flex-shrink: 0;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__logo-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
  text-transform: uppercase;
}

.nav__logo-tagline {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--color-text);
  background-color: var(--color-bg-subtle);
}

.nav__link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
}

.nav__cta {
  margin-left: var(--space-4);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 28px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.nav__hamburger:hover {
  background-color: var(--color-bg-subtle);
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav__mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-overlay); /* 300 — above nav */
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  /* Off-screen right when closed — no visibility inheritance issues */
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease;
}

.nav__mobile-overlay.is-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* Close button — sits at same position as the hamburger icon */
.nav__close {
  position: absolute;
  top: calc((var(--nav-height) - 44px) / 2);
  right: var(--container-padding);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: background-color var(--transition-fast);
  padding: 0;
}

.nav__close:hover {
  background-color: var(--color-bg-subtle);
}

.nav__close svg {
  pointer-events: none; /* clicks always land on the button, not the SVG children */
}

.nav__mobile-link {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav__mobile-link:hover,
.nav__mobile-link.active {
  color: var(--color-primary);
}

/* ----------------------------------------------------------
   6. Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 12px 35px rgba(0, 128, 168, 0.4);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-primary);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.btn--white {
  background-color: #fff;
  color: var(--color-primary);
  border: 2px solid #fff;
  box-shadow: var(--shadow-md);
}

.btn--white:hover {
  background-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

/* ----------------------------------------------------------
   7. Section Headers
   ---------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ----------------------------------------------------------
   8. Hero Section
   ---------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Animated mesh gradient background */
.hero__bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(14, 154, 167, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: bg-pulse-1 8s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(14, 154, 167, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: bg-pulse-2 10s ease-in-out infinite;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  width: 100%;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__eyebrow-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background-color: #22c55e;
  box-shadow: 0 0 6px 1px rgba(34, 197, 94, 0.55);
  animation: led-pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--color-text);
}

.hero__title em {
  font-style: normal;
  color: var(--color-primary);
  display: block;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 560px;
  text-align: center;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scroll-bounce 2.5s ease-in-out infinite;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.hero__scroll:hover {
  opacity: 1;
}

.hero__scroll-arrow {
  width: 20px;
  height: 20px;
}

/* ----------------------------------------------------------
   9. Stats Section
   ---------------------------------------------------------- */
.stats {
  background-color: var(--color-bg-subtle);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-border);
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-size: clamp(var(--font-size-4xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-suffix {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ----------------------------------------------------------
   10. Skills / Services Cards
   ---------------------------------------------------------- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.skill-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-card__icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.skill-card:hover .skill-card__icon {
  background-color: var(--color-primary);
  transform: scale(1.05);
}

.skill-card:hover .skill-card__icon svg path,
.skill-card:hover .skill-card__icon svg rect,
.skill-card:hover .skill-card__icon svg circle,
.skill-card:hover .skill-card__icon svg polyline,
.skill-card:hover .skill-card__icon svg line,
.skill-card:hover .skill-card__icon svg polygon {
  stroke: #fff;
}

.skill-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.skill-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   11. Approach / Timeline
   ---------------------------------------------------------- */
.approach {
  background-color: var(--color-bg-subtle);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(100% / 8);
  right: calc(100% / 8);
  height: 2px;
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-primary) 50%, var(--color-border) 100%);
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-6);
  position: relative;
}

.timeline-step__number {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.timeline-step.is-visible .timeline-step__number {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.timeline-step__number svg {
  display: block;
  flex-shrink: 0;
}

.timeline-step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.timeline-step__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   12. CTA Banner
   ---------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-banner__title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.cta-banner__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-10);
}

/* ----------------------------------------------------------
   13. Page Hero (subpages)
   ---------------------------------------------------------- */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-hero__eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-5xl));
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.page-hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ----------------------------------------------------------
   14. Services Grid (Leistungen)
   ---------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  transition: all var(--transition-base);
  transform-style: preserve-3d;
  will-change: transform;
  cursor: default;
}

.service-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 128, 168, 0.3);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.service-card:hover .service-card__icon svg path,
.service-card:hover .service-card__icon svg rect,
.service-card:hover .service-card__icon svg circle,
.service-card:hover .service-card__icon svg polyline,
.service-card:hover .service-card__icon svg line,
.service-card:hover .service-card__icon svg polygon {
  stroke: #fff;
}

.service-card__number {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.service-tag {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

/* ----------------------------------------------------------
   15. Contact Page
   ---------------------------------------------------------- */
.contact-section {
  padding: var(--space-20) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
}

.contact-info__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.contact-info__title em {
  font-style: normal;
  color: var(--color-primary);
}

.contact-info__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.contact-info__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info__item-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}

.contact-info__item-content {
  display: flex;
  flex-direction: column;
}

.contact-info__item-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.contact-info__item-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.contact-info__item-value a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.contact-info__item-value a:hover {
  color: var(--color-primary-dark);
}

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: #E8F8F0;
  color: #276749;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-top: var(--space-8);
  letter-spacing: 0.03em;
}

.availability-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: #48BB78;
  animation: dot-pulse 2s ease-in-out infinite;
}

/* ----------------------------------------------------------
   16. Contact Form
   ---------------------------------------------------------- */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group:last-of-type {
  margin-bottom: 0;
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label .optional {
  font-weight: 400;
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-select-wrapper {
  position: relative;
}

.form-select-wrapper::after {
  content: '';
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--color-text-secondary);
  pointer-events: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 128, 168, 0.15);
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: #FC8181;
  box-shadow: 0 0 0 3px rgba(252, 129, 129, 0.15);
}

.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: #68D391;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.form-error {
  font-size: var(--font-size-xs);
  color: #E53E3E;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.form-error.is-visible {
  display: flex;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.form-checkbox {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.form-checkbox-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.form-checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-submit-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Form Success State */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  gap: var(--space-5);
}

.form-success.is-visible {
  display: flex;
}

.form-success__icon {
  width: 80px;
  height: 80px;
  background: #E8F8F0;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  animation: success-pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.form-success__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text);
}

.form-success__message {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Loading state */
.btn--loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn--loading .btn-text {
  opacity: 0;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
}

/* ----------------------------------------------------------
   17. Footer
   ---------------------------------------------------------- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--space-12) 0 var(--space-8);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  opacity: 0.9;
}

.footer__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.footer__logo-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.9);
  text-transform: uppercase;
}

.footer__logo-tagline {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.03em;
  margin-top: 2px;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: rgba(255,255,255,0.9);
}

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

.footer__copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
}

.footer__linkedin {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
}

.footer__linkedin:hover {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.25);
}

/* ----------------------------------------------------------
   18. Scroll Animation Base
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }
.reveal--delay-5 { transition-delay: 500ms; }

.reveal--left {
  transform: translateX(-24px);
}

.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(24px);
}

.reveal--right.is-visible {
  transform: translateX(0);
}

/* ----------------------------------------------------------
   19. Responsive
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }
  .stat-item:nth-child(3)::after {
    display: none;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .timeline::before {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .contact-info {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-5);
    --nav-height: 80px;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__logo-img {
    height: 120px;
  }

  .skills__grid {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

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

  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline-step {
    flex-direction: row;
    text-align: left;
    padding: var(--space-4) 0;
    gap: var(--space-5);
  }

  .timeline-step__number {
    flex-shrink: 0;
    margin-bottom: 0;
    width: 56px;
    height: 56px;
    font-size: var(--font-size-base);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__top {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3) var(--space-5);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .section {
    padding: var(--space-16) 0;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ----------------------------------------------------------
   20. Focus Visible Styles
   ---------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ----------------------------------------------------------
   21. Misc Utilities
   ---------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

.badge {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge--primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* NOTE: Google Fonts is loaded via <link> tags in the HTML <head>.
   The @import below was a duplicate and has been removed to avoid
   a redundant blocking request. */