/* Storzi — Landingpage
   Dark Theme mit violetten Akzenten. Keine externen Abhängigkeiten. */

:root {
  --bg: #0c0a11;
  --surface: #16121f;
  --surface-hi: #1f1930;
  --border: #2a2338;
  --accent: #8b5cf6;
  --accent-deep: #6d28d9;
  --accent-glow: rgba(139, 92, 246, 0.28);
  --text: #f2effa;
  --text-muted: #9d94b0;

  --radius: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Zwei weiche Glows als Hintergrund-Ambiente. Fixed, damit sie beim
   Scrollen stehen bleiben und keine Layout-Höhe erzeugen. */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60ch 45ch at 18% -8%, rgba(109, 40, 217, 0.30), transparent 70%),
    radial-gradient(50ch 40ch at 88% 12%, rgba(139, 92, 246, 0.16), transparent 70%);
}

.wrap {
  flex: 1;
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
  padding-block: clamp(4rem, 12vh, 8rem) 4rem;
}

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

.hero {
  max-width: 46ch;
  margin-bottom: clamp(3.5rem, 9vh, 6rem);
}

.hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__mark {
  margin: 0;
  font-size: clamp(3.2rem, 12vw, 6rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #ffffff 10%, var(--accent) 65%, var(--accent-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 2rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__meta span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero__meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.section-title {
  margin: 0 0 1.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Projektgrid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.grid > li {
  display: flex;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition:
    background 0.3s var(--ease),
    border-color 0.3s var(--ease),
    transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.card:hover,
.card:has(a:focus-visible) {
  background: var(--surface-hi);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -18px var(--accent-glow);
}

.card:has(a:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.card__title {
  margin: 1.25rem 0 0;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

/* Stretched Link: macht die ganze Karte klickbar, ohne den Fließtext
   in den Linknamen zu ziehen. */
.card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card__title a:focus-visible {
  outline: none;
}

.card__text {
  margin: 0.6rem 0 0;
  font-size: 0.94rem;
  color: var(--text-muted);
  text-wrap: pretty;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  padding-right: 2rem; /* Platz für den Pfeil */
}

.card__tags span {
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.card__arrow {
  position: absolute;
  right: 1.5rem;
  bottom: 1.4rem;
  font-size: 1.1rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.card:hover .card__arrow,
.card:has(a:focus-visible) .card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Vorschauflächen ---------- */

.preview {
  position: relative;
  height: 116px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background:
    linear-gradient(160deg, rgba(139, 92, 246, 0.10), rgba(12, 10, 17, 0.6));
  overflow: hidden;
}

/* Spotify Helper — Equalizer */
.preview--eq {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 7px;
  padding: 18px;
}

.eq__bar {
  width: 10px;
  height: 100%;
  border-radius: 4px 4px 2px 2px;
  background: linear-gradient(to top, var(--accent-deep), var(--accent));
  transform-origin: bottom;
  animation: eq 1.1s var(--ease) infinite alternate;
}

.eq__bar:nth-child(1) { animation-delay: -0.9s; }
.eq__bar:nth-child(2) { animation-delay: -0.4s; }
.eq__bar:nth-child(3) { animation-delay: -0.7s; }
.eq__bar:nth-child(4) { animation-delay: -0.15s; }
.eq__bar:nth-child(5) { animation-delay: -0.55s; }

@keyframes eq {
  from { transform: scaleY(0.18); opacity: 0.55; }
  to   { transform: scaleY(1);    opacity: 1; }
}

/* Schmetris — fallende Blöcke auf eine Grundreihe */
.preview--tetris {
  --cell: 16px;
}

.tet__block {
  position: absolute;
  top: 0;
  width: var(--cell);
  height: var(--cell);
  border-radius: 3px;
  background: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  animation: fall 3.2s var(--ease) infinite;
}

.tet__block:nth-child(1) { left: 26%; background: var(--accent);      animation-delay: 0s; }
.tet__block:nth-child(2) { left: 40%; background: #a78bfa;            animation-delay: 0.8s; }
.tet__block:nth-child(3) { left: 54%; background: var(--accent-deep); animation-delay: 1.6s; }
.tet__block:nth-child(4) { left: 68%; background: #c4b5fd;            animation-delay: 2.4s; }

@keyframes fall {
  0%        { transform: translateY(-24px); opacity: 0; }
  12%       { opacity: 1; }
  55%, 100% { transform: translateY(78px);  opacity: 1; }
}

.tet__floor {
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 16px;
  height: 6px;
  border-radius: 3px;
  background: var(--accent-deep);
  animation: clearflash 3.2s steps(1, end) infinite;
}

@keyframes clearflash {
  0%, 78%   { opacity: 0.35; }
  82%, 90%  { opacity: 1; }
  94%, 100% { opacity: 0.35; }
}

/* Schleudern — Punkt prallt im Kästchen ab.
   X und Y laufen getrennt mit unterschiedlicher Dauer, dadurch echtes
   Abpraller-Muster statt einer Diagonale. */
.preview--bounce {
  --pad: 14px;
  --dot: 18px;
}

.bounce__x,
.bounce__y {
  position: absolute;
  inset: var(--pad);
}

.bounce__x {
  animation: bx 2.3s linear infinite alternate;
}

.bounce__y {
  inset: 0;
  animation: by 1.7s linear infinite alternate;
}

.bounce__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--dot);
  height: var(--dot);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  animation: hue 4.6s linear infinite;
}

@keyframes bx {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(100% - var(--dot))); }
}

@keyframes by {
  from { transform: translateY(0); }
  to   { transform: translateY(calc(100% - var(--dot))); }
}

@keyframes hue {
  from { filter: hue-rotate(0deg); }
  to   { filter: hue-rotate(360deg); }
}

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

.foot {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.foot p {
  margin: 0;
}

/* ---------- Reveal beim Scrollen ---------- */

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Reduced Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  /* Elemente in ihrer Ruheposition einfrieren, damit die Vorschauen
     nicht leer oder halb ausgeblendet wirken. */
  .eq__bar { transform: scaleY(0.7); }
  .eq__bar:nth-child(2) { transform: scaleY(1); }
  .eq__bar:nth-child(4) { transform: scaleY(0.45); }
  .tet__block { transform: translateY(78px); }
  .tet__floor { opacity: 0.35; }
  .bounce__x { transform: translateX(40%); }
  .bounce__y { transform: translateY(30%); }
  .card__arrow { opacity: 1; transform: none; }
}