/* ============================================
   DATENKODEX - Datenschutz Website
   Clean, professional, trustworthy
   ============================================ */

/* --- Variables --- */
:root {
  --color-primary: #1a56db;
  --color-primary-dark: #1443a6;
  --color-primary-light: #e8effc;
  --color-accent: #0e9f6e;
  --color-dark: #111928;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-light: #f9fafb;
  --color-bg-alt: #f3f4f6;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 48px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.2s ease;
  --nav-height: 72px;
  --max-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 {
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1.05rem; font-family: 'Inter', sans-serif; font-weight: 600; }

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

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

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* --- Section --- */
.section {
  padding: clamp(60px, 8vw, 100px) 0;
}

.section--light { background: var(--color-bg-light); }
.section--white { background: var(--color-bg); }
.section--primary {
  background: var(--color-primary);
  color: #fff;
}
.section--primary h2,
.section--primary p { color: #fff; }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(40px, 5vw, 60px);
}

.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section--primary .section__tag {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.section__subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-top: 12px;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-dark);
}

.logo-text {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--color-primary); }

.nav__toggle { display: none; }

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 110;
  }
  .nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
  }
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 24px;
    box-shadow: var(--shadow-xl);
    transition: right 0.3s ease;
    align-items: flex-start;
  }
  .nav__toggle-input:checked ~ .nav__links {
    right: 0;
  }
  .nav__toggle-input:checked ~ .nav__toggle span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav__toggle-input:checked ~ .nav__toggle span:nth-child(2) {
    opacity: 0;
  }
  .nav__toggle-input:checked ~ .nav__toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--ghost:hover {
  background: var(--color-primary);
  color: #fff;
}

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

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

.btn--sm { padding: 7px 18px; font-size: 0.85rem; }
.btn--lg { padding: 14px 32px; font-size: 0.95rem; }

/* --- Hero --- */
.hero {
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #fff 50%, var(--color-primary-light) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero__tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--color-border-light);
  max-width: 260px;
}

.hero__card-icon {
  margin-bottom: 16px;
}

.hero__card-label {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.hero__card-text {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__desc { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__visual { display: none; }
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-dark);
  padding: 28px 0;
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-item__number {
  display: block;
  font-family: 'Source Serif 4', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.trust-item__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 600px) {
  .trust-bar__grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Cards --- */
.card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  margin-bottom: 16px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.card__title {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.card__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Benefits --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 700px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

.benefit {
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.benefit:hover {
  background: var(--color-bg-light);
}

.benefit__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 50%;
}

.benefit__content h4 {
  margin-bottom: 4px;
  color: var(--color-dark);
}

.benefit__content p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--color-border);
}

.step {
  text-align: center;
  position: relative;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: 'Source Serif 4', serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.step__content h3 {
  margin-bottom: 8px;
}

.step__content p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .steps::before { display: none; }
  .step { text-align: left; display: flex; gap: 20px; }
  .step__number { flex-shrink: 0; width: 48px; height: 48px; font-size: 1rem; }
}

/* --- CTA Banner --- */
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-banner__content h2 {
  margin-bottom: 8px;
}

.cta-banner__content p {
  opacity: 0.85;
  max-width: 480px;
}

@media (max-width: 768px) {
  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* --- FAQ --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-text-light);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] .faq-item__question::after {
  content: '-';
}

.faq-item__answer {
  padding-bottom: 20px;
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

@media (max-width: 500px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-control,
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.form-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.form-check label {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.5;
}

.form-status {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-status.success { color: var(--color-accent); }
.form-status.error { color: #dc2626; }

.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-info-item svg { flex-shrink: 0; margin-top: 2px; }
.contact-info-item strong { display: block; font-size: 0.85rem; color: var(--color-dark); }
.contact-info-item p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

.contact-info-card {
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 8px;
}

.contact-info-card h4 {
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.contact-info-card ul {
  list-style: none;
  padding: 0;
}

.contact-info-card li {
  font-size: 0.88rem;
  color: var(--color-text);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.contact-info-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand .nav__logo { margin-bottom: 12px; }
.footer__brand .logo-text { color: #fff; }
.footer__desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.5);
}

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

.footer__links h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.footer__links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__links a:hover { color: #fff; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}