/* SimplestSoft – Grautöne, reduziert */

:root {
  --gray-50: #f7f7f8;
  --gray-100: #ececee;
  --gray-200: #d8d8dc;
  --gray-300: #b4b4ba;
  --gray-400: #8a8a92;
  --gray-500: #6b6b74;
  --gray-600: #52525a;
  --gray-700: #3d3d44;
  --gray-800: #2a2a30;
  --gray-900: #1a1a1f;
  --accent: #5c5c66;
  --max-width: 72rem;
  --radius: 0.5rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--gray-700);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--gray-900);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--gray-900);
  color: var(--gray-50);
}

.skip-link:focus {
  left: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 247, 248, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  min-width: 0;
}

.logo {
  font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 1.875rem);
  letter-spacing: -0.03em;
  color: var(--gray-900);
  text-decoration: none;
  line-height: 1.05;
}

.logo span {
  color: var(--gray-500);
  font-weight: 500;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--gray-600);
}

.nav-list a:hover {
  color: var(--gray-900);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown details {
  position: relative;
}

.nav-summary {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.nav-summary::-webkit-details-marker {
  display: none;
}

.nav-summary::after {
  content: "expand_more";
  font-family: "Material Symbols Outlined";
  font-size: 1.125rem;
  line-height: 1;
  color: var(--gray-400);
  transition: transform 0.15s ease;
}

.nav-dropdown details[open] .nav-summary::after {
  transform: rotate(180deg);
}

.nav-summary:hover {
  color: var(--gray-900);
}

.nav-sub {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0.35rem 0;
  min-width: 11rem;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.nav-sub li {
  margin: 0;
}

.nav-sub a {
  display: block;
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
  color: var(--gray-600);
  text-decoration: none;
}

.nav-sub a:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}

@media (min-width: 768px) {
  .nav-dropdown details[open] .nav-sub,
  .nav-dropdown:hover .nav-sub {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 60;
    margin-top: 0.25rem;
  }

  .nav-dropdown .nav-sub {
    display: none;
  }

  .nav-dropdown details[open] .nav-sub {
    display: block;
  }

  .nav-dropdown:hover details:not([open]) .nav-sub {
    display: block;
  }
}

.card[id] {
  scroll-margin-top: 6rem;
}

.card-links {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--gray-200);
  padding-top: 0.75rem;
}

.section-alt .card-links {
  border-top-color: var(--gray-200);
}

.card-links li + li {
  margin-top: 0.35rem;
}

.card-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--gray-700);
}

.card-links a:hover {
  text-decoration: underline;
  color: var(--gray-900);
}

@media (min-width: 768px) {
  .card-grid--products {
    grid-template-columns: repeat(3, 1fr);
  }
}

#produkte.section-alt {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  #produkte.section-alt {
    min-height: 32rem;
  }

  #produkte .card-grid--products {
    flex: 1;
    align-content: center;
    align-items: stretch;
  }
}

.card-grid--products > .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-grid--products > .card .card-links,
.card-grid--products > .card > .card-more {
  margin-top: auto;
}

.site-slogan {
  margin: 0.1rem 0 0;
  padding: 0;
  font-size: 0.5rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.15;
  color: var(--gray-500);
  white-space: nowrap;
}

@media (max-width: 380px) {
  .site-slogan {
    white-space: normal;
    max-width: 11rem;
  }
}

/* Hero */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    padding: 4rem 1.5rem 3rem;
  }
}

.hero-text h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}

.hero-text .lead {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--gray-600);
}

.hero-media {
  margin: 0;
}

.hero-visual {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-200);
  aspect-ratio: 4 / 3;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(25%);
}

/* Sections */
section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--gray-900);
}

.section-intro {
  margin: 0 0 2rem;
  color: var(--gray-600);
  max-width: 40rem;
}

.section-alt {
  background: var(--gray-100);
  border-block: 1px solid var(--gray-200);
}

.section-alt > * {
  max-width: var(--max-width);
  margin-inline: auto;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .card-grid--products {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.section-alt .card {
  background: #fff;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  color: var(--gray-900);
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card h3 a:hover {
  color: var(--gray-700);
  text-decoration: underline;
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--gray-600);
}

.card-more {
  margin: 0.85rem 0 0;
  font-size: 0.875rem;
}

.card-more a {
  font-weight: 500;
  text-decoration: none;
}

.card-more a:hover {
  text-decoration: underline;
}

/* About */
.about-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.about-media {
  margin: 0;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-200);
  aspect-ratio: 3 / 2;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(25%);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-intro p {
  margin: 0 0 1rem;
  color: var(--gray-600);
  max-width: 40rem;
}

.contact-intro p:last-child {
  margin-bottom: 0;
}

.contact-box {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  width: 100%;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-required {
  color: var(--gray-500);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--gray-900);
  background: var(--gray-50);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gray-500);
  box-shadow: 0 0 0 3px rgba(82, 82, 90, 0.12);
}

.form-field textarea {
  resize: vertical;
  min-height: 6rem;
}

.form-field--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--gray-600);
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.form-checkbox a {
  color: var(--gray-700);
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}

.form-status {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  min-height: 1.2em;
}

.form-status--success {
  color: var(--gray-700);
}

.form-status--error {
  color: #8b3a3a;
}

.form-status--info {
  color: var(--gray-500);
}

.contact-form .btn[aria-busy="true"] {
  opacity: 0.7;
  cursor: wait;
}

/* Product pages */
.product-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
}

.product-eyebrow .material-symbols-outlined {
  font-size: 1.125rem;
}

.product-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.product-features.card-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .product-features.card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-actions {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.product-device-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--gray-200), var(--gray-100));
  border: 1px solid var(--gray-200);
  color: var(--gray-500);
}

.product-device-visual .material-symbols-outlined {
  font-size: clamp(5rem, 18vw, 8rem);
  color: var(--gray-600);
}

.product-device-label {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.card-platform {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

/* Legal pages */
.legal-page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.legal-page h1 {
  font-size: 1.75rem;
  margin: 0 0 1.5rem;
  color: var(--gray-900);
}

.legal-page h2 {
  font-size: 1.125rem;
  margin: 2rem 0 0.75rem;
  color: var(--gray-800);
}

.legal-page p,
.legal-page li {
  color: var(--gray-700);
  font-size: 0.9375rem;
}

.legal-page ul {
  padding-left: 1.25rem;
}

.placeholder {
  color: var(--gray-500);
  font-style: italic;
}

/* Rechtliche Seiten – Blocklayout */
.impressum-page {
  max-width: 56rem;
}

.datenschutz-page {
  max-width: var(--max-width);
  width: 100%;
}

.datenschutz-page .legal-intro,
.datenschutz-page .legal-blocks,
.datenschutz-page .legal-actions {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.datenschutz-page .legal-blocks {
  grid-template-columns: 1fr;
}

.datenschutz-page .legal-block {
  width: 100%;
  max-width: none;
  box-sizing: border-box;
}

.legal-page--blocks .legal-intro h1 {
  margin: 0 0 0.35rem;
}

.legal-page--blocks > h1 {
  margin: 0 0 1.5rem;
}

.legal-intro {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.legal-intro h1 {
  margin: 0 0 0.35rem;
}

.legal-subtitle {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--gray-500);
  font-weight: 500;
}

.legal-lead {
  margin: 0;
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.55;
}

.legal-blocks {
  display: grid;
  gap: 1.25rem;
}

.legal-block {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}

.legal-block--highlight {
  background: var(--gray-100);
  border-color: var(--gray-300);
}

.legal-block-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--gray-200);
}

.legal-block--highlight .legal-block-head {
  border-bottom-color: var(--gray-300);
}

.legal-block-head .material-symbols-outlined {
  font-size: 1.5rem;
  color: var(--gray-500);
}

.legal-block-head h2 {
  margin: 0;
  font-size: 1.125rem;
  color: var(--gray-900);
}

.legal-block > p {
  margin: 0;
}

.legal-block > p + p,
.legal-block > p + .legal-block-note {
  margin-top: 0.85rem;
}

.legal-block-note {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.legal-details {
  margin: 0;
}

.legal-details-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.legal-details-row:first-child {
  padding-top: 0;
}

.legal-details-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.legal-block--highlight .legal-details-row {
  border-bottom-color: var(--gray-300);
}

.legal-details dt {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.legal-details dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--gray-800);
  line-height: 1.5;
}

.legal-details a {
  text-decoration: none;
  font-weight: 500;
}

.legal-details a:hover {
  text-decoration: underline;
}

.legal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
}

.legal-actions .btn {
  margin: 0;
}

@media (max-width: 480px) {
  .legal-actions .btn {
    flex: 1 1 100%;
    justify-content: center;
    text-align: center;
  }
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding: 2rem 1.5rem;
  background: var(--gray-800);
  color: var(--gray-300);
  font-size: 0.875rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  justify-content: space-between;
  align-items: center;
}

.footer-line {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--gray-400);
}

.footer-line a {
  text-decoration: none;
  color: var(--gray-200);
}

.site-footer a {
  color: var(--gray-200);
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

.footer-nav a {
  text-decoration: none;
}

.footer-nav a:hover,
.footer-line a:hover {
  color: #fff;
}

/* Scroll to top */
.scroll-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 55;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-700);
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(26, 26, 31, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.scroll-to-top:hover {
  background: var(--gray-100);
  color: var(--gray-900);
  border-color: var(--gray-400);
}

.scroll-to-top:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(82, 82, 90, 0.2);
}

.scroll-to-top .material-symbols-outlined {
  font-size: 1.5rem;
}

body:has(.cookie-banner.is-visible) .scroll-to-top {
  bottom: 6.5rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding: 1rem 1.5rem;
  background: var(--gray-900);
  color: var(--gray-200);
  font-size: 0.875rem;
  display: none;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 16rem;
}

.cookie-banner a {
  color: var(--gray-100);
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-family: inherit;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn-primary {
  background: var(--gray-700);
  color: var(--gray-50);
}

.btn-primary:hover {
  background: var(--gray-600);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.cookie-banner .btn-primary {
  background: var(--gray-200);
  color: var(--gray-900);
}

.cookie-banner .btn-primary:hover {
  background: #fff;
}

.cookie-banner .btn-secondary {
  color: var(--gray-300);
  border-color: var(--gray-600);
}

.cookie-banner .btn-secondary:hover {
  background: var(--gray-700);
  color: #fff;
}

/* 404 – Firebase Hosting liefert 404.html bei unbekannten URLs */
.error-page {
  max-width: 36rem;
}

.error-page__code {
  margin: 0 0 0.5rem;
  font-size: clamp(3rem, 12vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gray-300);
}

.error-page__links {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--gray-700);
  font-size: 0.9375rem;
}

.error-page__links li + li {
  margin-top: 0.35rem;
}