/* ========================================
   vollautomatisiert.at — Main Stylesheet
   ======================================== */

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1a2332;
  --color-primary-light: #243044;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #eff6ff;
  --color-white: #ffffff;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-text-heading: #0f172a;
  --color-border: #e2e8f0;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;

  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

/* --- Base --- */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-white);
}

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

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  line-height: 1.7;
  color: var(--color-text);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--color-bg);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p {
  color: #cbd5e1;
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section__header p {
  margin-top: var(--space-md);
  font-size: var(--text-lg);
  color: var(--color-text-light);
}

/* --- Header & Navigation --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s;
  padding: var(--space-sm) 0;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
}

.nav__toggle-label {
  display: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}

.nav__toggle-label span,
.nav__toggle-label span::before,
.nav__toggle-label span::after {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  transition: all 0.3s;
}

.nav__toggle-label span {
  top: 9px;
}

.nav__toggle-label span::before {
  content: '';
  top: -7px;
}

.nav__toggle-label span::after {
  content: '';
  top: 7px;
}

.nav__toggle:checked ~ .nav__toggle-label span {
  background-color: transparent;
}

.nav__toggle:checked ~ .nav__toggle-label span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle:checked ~ .nav__toggle-label span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

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

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

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background-color: var(--color-bg);
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--text-lg);
}

/* --- Hero --- */
.hero {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

.hero .container {
  max-width: 800px;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: var(--text-xl);
  color: #cbd5e1;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  margin: 0 var(--space-sm);
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: var(--text-2xl);
}

.card h3 {
  margin-bottom: var(--space-md);
  font-size: var(--text-xl);
}

.card p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* --- Phase / Process Steps --- */
.phase {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  align-items: start;
}

.phase:last-child {
  margin-bottom: 0;
}

.phase__number {
  width: 56px;
  height: 56px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
  flex-shrink: 0;
}

.phase__content h3 {
  margin-bottom: var(--space-md);
}

.phase__content p {
  margin-bottom: var(--space-md);
}

.phase__list {
  list-style: none;
}

.phase__list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.phase__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

/* --- Trust / Feature Grid --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
}

.trust-item {
  text-align: center;
  padding: var(--space-xl);
}

.trust-item__icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.trust-item h4 {
  margin-bottom: var(--space-sm);
}

.trust-item p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* --- CTA Section --- */
.cta {
  text-align: center;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

.cta h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta p {
  color: #cbd5e1;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- About / Founder --- */
.founder {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.founder__image-placeholder {
  width: 280px;
  height: 340px;
  background-color: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-md);
}

.founder__content h2 {
  margin-bottom: var(--space-sm);
}

.founder__role {
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
}

.founder__content p {
  margin-bottom: var(--space-md);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info h2 {
  margin-bottom: var(--space-lg);
}

.contact-info p {
  margin-bottom: var(--space-md);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--text-lg);
}

.contact-detail__icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-detail a {
  color: var(--color-accent);
  font-weight: 500;
}

.contact-detail a:hover {
  text-decoration: underline;
}

.contact-cta {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-cta h3 {
  margin-bottom: var(--space-md);
}

.contact-cta p {
  margin-bottom: var(--space-xl);
  color: var(--color-text-light);
}

/* --- Legal Pages --- */
.legal {
  padding: var(--space-3xl) 0;
}

.legal h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2xl);
}

.legal h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.legal p {
  margin-bottom: var(--space-md);
}

.legal ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal ul li {
  margin-bottom: var(--space-sm);
}

.placeholder-marker {
  background-color: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: #92400e;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: #94a3b8;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.footer__brand p {
  color: #94a3b8;
  font-size: var(--text-sm);
}

.footer__nav h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer__nav a {
  display: block;
  color: #94a3b8;
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid #334155;
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.footer__legal a {
  margin-left: var(--space-lg);
  transition: color 0.2s;
}

.footer__legal a:hover {
  color: var(--color-white);
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-lg) 0;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
  opacity: 1;
  transition: opacity 0.3s ease;
}

.cookie-banner--hidden {
  opacity: 0;
}

.cookie-banner__content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.cookie-banner__content p {
  color: #cbd5e1;
  font-size: var(--text-sm);
  margin: 0;
}

.cookie-banner__content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-banner__content a:hover {
  color: #60a5fa;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-banner__btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-sm);
}

.cookie-banner__btn.btn--outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.cookie-banner__btn.btn--outline:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-2xl); }

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

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  /* Mobile navigation */
  .nav__toggle-label {
    display: block;
  }

  .nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }

  .nav__toggle:checked ~ .nav {
    max-height: 300px;
  }

  .nav__list {
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .nav__link {
    font-size: var(--text-base);
    display: block;
    padding: var(--space-sm) 0;
  }

  /* Layout adjustments */
  .hero .btn {
    display: block;
    margin: var(--space-sm) auto;
    max-width: 280px;
  }

  .founder {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .founder__role {
    text-align: center;
  }

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

  .phase {
    grid-template-columns: 1fr;
    justify-items: start;
  }

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

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

  /* Cookie banner mobile */
  .cookie-banner__content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .cookie-banner__actions {
    justify-content: center;
  }
}