/* ===========================================================
   Tricks & Tipps 24 — Werkstatt-Karteikarten Design System
   =========================================================== */

:root {
  --ink-shell: #211d18;
  --ink-shell-2: #2a241d;
  --ink-shell-3: #332b21;
  --paper: #ece3cf;
  --paper-soft: #f4eee0;
  --text-dark: #2a241d;
  --text-on-dark: #ece3cf;
  --text-on-dark-dim: #c9bfa9;
  --brass: #c0923f;
  --brass-dark: #96702c;
  --technik: #a6532e;
  --technik-soft: rgba(166, 83, 46, 0.16);
  --garten: #4b6b45;
  --garten-soft: rgba(75, 107, 69, 0.16);
  --ki: #55519e;
  --ki-soft: rgba(85, 81, 158, 0.18);
  --line: rgba(236, 227, 207, 0.14);
  --radius-card: 3px;
  --shadow-card: 0 10px 24px rgba(0, 0, 0, 0.28), 0 1px 0 rgba(255, 255, 255, 0.35) inset;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--ink-shell);
  color: var(--text-on-dark);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at top left, rgba(255, 255, 255, 0.04), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 10px);
}

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

/* ---------- Layout helpers ---------- */

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-shell-2), var(--ink-shell));
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.logo {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 22px;
  text-decoration: none;
  color: var(--text-on-dark);
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--brass);
  padding: 0 2px;
}

.logo-num {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 400;
  font-size: 15px;
  color: var(--text-on-dark-dim);
  vertical-align: super;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-on-dark-dim);
  padding: 10px 14px;
  border-radius: 2px;
  border-top: 3px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text-on-dark);
  background: rgba(255, 255, 255, 0.04);
}

.main-nav a[data-cat="technik"] { border-top-color: transparent; }
.main-nav a[data-cat="technik"]:hover, .main-nav a[data-cat="technik"].active { border-top-color: var(--technik); }
.main-nav a[data-cat="garten"]:hover, .main-nav a[data-cat="garten"].active { border-top-color: var(--garten); }
.main-nav a[data-cat="ki"]:hover, .main-nav a[data-cat="ki"].active { border-top-color: var(--ki); }

.nav-support {
  background: var(--brass) !important;
  color: var(--ink-shell) !important;
  font-weight: 600;
}
.nav-support:hover, .nav-support:focus-visible {
  background: var(--brass-dark) !important;
  color: var(--text-on-dark) !important;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 84px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 18px;
  display: block;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  max-width: 16ch;
  color: var(--text-on-dark);
}

.hero p.lede {
  max-width: 52ch;
  color: var(--text-on-dark-dim);
  font-size: 19px;
  margin-top: 20px;
}

.hero-drawers {
  display: flex;
  gap: 14px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.drawer {
  flex: 1 1 200px;
  text-decoration: none;
  padding: 20px 20px 18px;
  background: var(--ink-shell-3);
  border: 1px solid var(--line);
  border-bottom: 4px solid var(--accent, var(--brass));
  border-radius: 2px;
  transition: transform 0.15s ease, background 0.15s ease;
  display: block;
}

.drawer:hover, .drawer:focus-visible {
  transform: translateY(-3px);
  background: #362e23;
}

.drawer .drawer-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-dim);
  display: block;
  margin-bottom: 8px;
}

.drawer h3 {
  color: var(--text-on-dark);
  font-size: 22px;
  margin-bottom: 6px;
}

.drawer p {
  color: var(--text-on-dark-dim);
  font-size: 15px;
  margin: 0;
}

/* ---------- Section headings ---------- */

.section {
  padding: 64px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.section-head h2 {
  font-size: 30px;
  color: var(--text-on-dark);
}

.section-head .section-note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--text-on-dark-dim);
}

/* ---------- Category hero band ---------- */

.cat-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--accent-soft), transparent 70%);
}

.cat-hero .drawer-label {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.cat-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  color: var(--text-on-dark);
}

.cat-hero p {
  max-width: 56ch;
  color: var(--text-on-dark-dim);
  font-size: 18px;
  margin-top: 14px;
}

/* ---------- Tip cards (Karteikarten) ---------- */

.tip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.tip-card {
  background: var(--paper);
  color: var(--text-dark);
  border-radius: var(--radius-card);
  position: relative;
  padding: 30px 26px 26px;
  box-shadow: var(--shadow-card);
  border-top: 6px solid var(--accent, var(--brass));
  transform: rotate(var(--tilt, 0deg));
}

.tip-card::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-shell);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.tip-card .card-id {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark, var(--brass-dark));
  display: block;
  margin: 0 0 14px 30px;
}

.tip-card h3 {
  font-size: 21px;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.tip-card p {
  margin: 0;
  font-size: 15.5px;
  color: #43392c;
}

.tip-card p + p {
  margin-top: 10px;
}

.tip-card.ghost {
  background: transparent;
  border: 1.5px dashed var(--line);
  border-top: 1.5px dashed var(--line);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  color: var(--text-on-dark-dim);
}

.tip-card.ghost::before {
  display: none;
}

.tip-card.ghost .ghost-inner {
  text-align: center;
}

.tip-card.ghost .ghost-plus {
  font-family: "Space Grotesk", sans-serif;
  font-size: 30px;
  display: block;
  color: var(--brass);
  margin-bottom: 6px;
}

/* category accent assignment */
#technik-cards .tip-card,
.accent-technik { --accent: var(--technik); --accent-dark: #7a3c20; --accent-soft: var(--technik-soft); }
#garten-cards .tip-card,
.accent-garten { --accent: var(--garten); --accent-dark: #354e30; --accent-soft: var(--garten-soft); }
#ki-cards .tip-card,
.accent-ki { --accent: var(--ki); --accent-dark: #3d3a75; --accent-soft: var(--ki-soft); }

/* ---------- Support / brass CTA ---------- */

.support-panel {
  background: var(--ink-shell-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.support-panel h2 {
  font-size: 26px;
  color: var(--text-on-dark);
  margin-bottom: 8px;
}

.support-panel p {
  color: var(--text-on-dark-dim);
  max-width: 46ch;
  margin: 0;
}

.btn-paypal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--brass);
  color: var(--ink-shell);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 16px 26px;
  border-radius: 3px;
  white-space: nowrap;
  border-bottom: 3px solid var(--brass-dark);
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-paypal:hover, .btn-paypal:focus-visible {
  background: #d4a355;
  transform: translateY(-1px);
}

.btn-paypal .slot {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  opacity: 0.75;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 44px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-on-dark-dim);
}

.footer-inner a {
  color: var(--brass);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

/* ---------- Article template ---------- */

.article-body {
  max-width: 68ch;
  margin: 0 auto;
}

.article-body h2 {
  margin-top: 40px;
  font-size: 24px;
}

.article-body p {
  color: var(--text-on-dark-dim);
  font-size: 17px;
}

.article-meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.callout {
  background: var(--ink-shell-3);
  border-left: 4px solid var(--brass);
  padding: 18px 22px;
  border-radius: 2px;
  margin: 26px 0;
  color: var(--text-on-dark-dim);
  font-size: 15.5px;
}

@media (max-width: 640px) {
  .hero { padding: 56px 0 40px; }
  .support-panel { padding: 30px; flex-direction: column; align-items: flex-start; }
}