/* digi-class.de – Spiele & Workshop – gemeinsames Design */

:root {
  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-primary: #2b6cb0;
  --color-primary-dark: #1e4e8c;
  --color-accent: #f6a623;
  --color-accent-dark: #d6891a;
  --color-text: #1f2937;
  --color-text-muted: #5b6472;
  --color-border: #dfe6ee;
  --color-success: #2f9e5c;
  --color-success-bg: #e7f7ee;
  --color-error: #d64545;
  --color-error-bg: #fbeaea;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(30, 41, 59, 0.08);
  --shadow-hover: 0 8px 24px rgba(30, 41, 59, 0.14);
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
}

img {
  max-width: 100%;
}

/* Header / Navigation */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--color-text);
}

.brand__logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: var(--color-bg);
  color: var(--color-primary-dark);
}

/* Layout helpers */

.page {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.page--narrow {
  max-width: 780px;
}

.page-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-hero h1 {
  font-size: 2.1rem;
  margin: 0 0 0.6rem;
}

.page-hero p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(43, 108, 176, 0.1);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.8rem;
}

.tile-hint {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: -1.6rem 0 1.6rem;
}

.group-heading {
  font-size: 1.3rem;
  margin: 2.2rem 0 0.3rem;
}

.group-heading:first-of-type {
  margin-top: 0;
}

.group-desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0 0 1.2rem;
}

/* Kachel-Grid */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 160px;
}

.tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.tile__icon {
  font-size: 2.2rem;
}

.tile__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.tile__desc {
  color: var(--color-text-muted);
  font-size: 0.96rem;
  margin: 0;
}

.tile__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.1rem;
}

.tile__link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-primary);
  text-decoration: none;
}

.tile__link:hover {
  text-decoration: underline;
  color: var(--color-primary-dark);
}

.tile--soon {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.tile--soon:hover {
  transform: none;
  box-shadow: var(--shadow);
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  width: fit-content;
}

.badge--muted {
  background: var(--color-border);
  color: var(--color-text-muted);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.7rem 1.4rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-primary);
  color: #fff;
  transition: background 0.15s ease, transform 0.1s ease;
}

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

.btn:active {
  transform: scale(0.97);
}

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

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

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

.btn--ghost:hover {
  background: rgba(43, 108, 176, 0.08);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Cards / Panels */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 1.2rem;
}

/* Forms */

select, input[type="text"] {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

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

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Breadcrumb */

.breadcrumb {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Responsive */

@media (max-width: 640px) {
  .page-hero h1 {
    font-size: 1.6rem;
  }

  .site-header__inner {
    justify-content: center;
  }

  .main-nav {
    justify-content: center;
    width: 100%;
  }
}