/* ==========================================================================
   Friesengroup - Grundstyles
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f3f6fa;
  --color-bg-card: #ffffff;
  --color-text: #12151c;
  --color-text-muted: #565f6d;
  --color-border: #e3e7ee;
  --color-header-bg: #ffffff;
  --color-header-text: #12151c;
  --color-footer-bg: #0c1830;
  --color-footer-text: #c7cedb;
  --color-accent: #0092e0;
  --color-accent-hover: #0077b6;
  --shadow: 0 4px 18px rgba(18, 21, 28, 0.08);
  --radius: 10px;
  --max-width: 1160px;
  --font-main: "Inter", "Segoe UI", Arial, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #070d1c;
  --color-bg-alt: #0d1830;
  --color-bg-card: #0f1b36;
  --color-text: #f1f4fa;
  --color-text-muted: #a6b1c4;
  --color-border: #1e2b47;
  --color-header-bg: #04091a;
  --color-header-text: #ffffff;
  --color-footer-bg: #04091a;
  --color-footer-text: #a6b1c4;
  --color-accent: #2ea6ff;
  --color-accent-hover: #57b9ff;
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
}

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

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

.section {
  padding: 72px 0;
}

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

.section-title {
  font-size: 2.1rem;
  margin-bottom: 12px;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin-bottom: 40px;
}

.eyebrow {
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-header-bg);
  color: var(--color-header-text);
  border-bottom: 1px solid var(--color-border);
}

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 42px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-header-text);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-header-text);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background-color: var(--color-header-text);
  display: block;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 700;
  border: 2px solid var(--color-accent);
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-main);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
}

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

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

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-header-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 90px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.hero img.hero-logo {
  height: 110px;
  margin: 0 auto 28px;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 18px;
  line-height: 1.25;
}

.hero h1 span {
  color: var(--color-accent);
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 34px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Karten / Grids
   ========================================================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow);
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.card p {
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

.card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-muted);
}

.card ul li {
  margin-bottom: 6px;
}

.card a.card-link {
  font-weight: 700;
}

/* ==========================================================================
   About Seite
   ========================================================================== */

.about-content {
  max-width: 760px;
}

.about-content p {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 20px;
}

.signature {
  margin-top: 40px;
  font-style: italic;
  color: var(--color-text-muted);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}

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

.value-item {
  padding: 22px;
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.value-item h4 {
  margin: 0 0 8px;
}

.value-item p {
  margin: 0;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Kontakt
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 44px;
  align-items: start;
}

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

.contact-info-item {
  margin-bottom: 24px;
}

.contact-info-item h4 {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.contact-info-item a,
.contact-info-item span {
  font-size: 1.1rem;
  font-weight: 600;
}

.contact-form {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Popup-Benachrichtigung nach Formular-Versand */
#form-popup {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: #14171f;
  color: #fff;
  padding: 16px 24px;
  border-radius: 10px;
  font-size: 0.95rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: bottom 0.4s ease, opacity 0.4s ease;
  z-index: 999;
  max-width: 90%;
  text-align: center;
}

#form-popup.show {
  bottom: 24px;
  opacity: 1;
}

#form-popup.error {
  background: #a02020;
}

/* ==========================================================================
   Impressum
   ========================================================================== */

.legal-content h2 {
  margin-top: 36px;
}

.legal-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Admin
   ========================================================================== */

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  background-color: var(--color-bg-alt);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table .admin-message {
  max-width: 320px;
  white-space: pre-wrap;
}

.btn-delete {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  padding: 6px 10px;
  font-size: 1rem;
}

.btn-delete:hover {
  border-color: #a02020;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 48px 0 24px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

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

.footer-brand img {
  height: 36px;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--color-footer-text);
  opacity: 0.8;
  max-width: 320px;
}

.footer-col h5 {
  color: #ffffff;
  margin: 0 0 14px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-footer-text);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  opacity: 0.75;
}

/* ==========================================================================
   Login-Seite
   ========================================================================== */

.auth-page {
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px 28px;
}

.auth-logo {
  height: 84px;
  margin: 0 auto 8px;
}

.auth-card h1 {
  text-align: center;
  font-size: 1.5rem;
  margin: 0 0 6px;
}

.auth-lead {
  text-align: center;
  color: var(--color-text-muted);
  margin: 0 0 24px;
  font-size: 0.95rem;
}

.auth-theme {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top, 0px));
  right: 16px;
  background-color: var(--color-bg-card);
}

.auth-error {
  background: rgba(200, 40, 40, 0.12);
  border: 1px solid rgba(200, 40, 40, 0.5);
  color: #c02a2a;
  border-radius: 8px;
  padding: 10px 14px;
  margin: 0 0 16px;
  font-size: 0.92rem;
}

[data-theme="dark"] .auth-error {
  color: #ff8d8d;
}

.auth-error[hidden] {
  display: none;
}

.auth-back {
  text-align: center;
  margin: 22px 0 0;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

.btn-block:disabled,
.btn-small:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.password-wrap {
  position: relative;
  display: flex;
}

.password-wrap input {
  flex: 1;
  padding-right: 92px;
}

.link-button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-accent);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 6px 8px;
}

/* ==========================================================================
   Admin: Toolbar / Benutzer
   ========================================================================== */

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.admin-toolbar [hidden],
#push-hint[hidden] {
  display: none;
}

.admin-user {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .admin-user {
    display: none;
  }
}