/* ============================================================
   OBSKUR — fiktiver Club · Demo-Onepager
   Layout lives here; the WebGL canvas is decoration only.
   ============================================================ */

:root {
  color-scheme: dark;
  --bg: #050308;
  --fg: #f4efff;
  --muted: #a89bc0;
  --hot: #ff2bd6;      /* magenta */
  --cold: #00f0ff;     /* cyan */
  --acid: #c8ff00;     /* acid green */
  --line: rgba(244, 239, 255, 0.14);
  --panel: rgba(12, 8, 20, 0.55);
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.55;
  overflow-x: clip;
}

::selection { background: var(--hot); color: #050308; }

/* ---------- decorative layers ---------- */

#gl {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Static gradient stand-in: shown under the canvas and as the only
   background when WebGL is unavailable (html.no-webgl). */
#gl-fallback {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 15% 10%, rgba(255, 43, 214, 0.22), transparent 60%),
    radial-gradient(50rem 40rem at 85% 80%, rgba(0, 240, 255, 0.14), transparent 60%),
    radial-gradient(30rem 30rem at 60% 40%, rgba(200, 255, 0, 0.06), transparent 70%),
    var(--bg);
}

html.no-webgl #gl { display: none; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  padding: 0.6rem 1rem;
  background: var(--acid);
  color: #050308;
  font-weight: 800;
  border-radius: 0.4rem;
  transition: top 0.2s;
}
.skip:focus { top: 1rem; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  background: linear-gradient(to bottom, rgba(5, 3, 8, 0.85), rgba(5, 3, 8, 0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-decoration: none;
  color: var(--fg);
  font-size: 0.95rem;
}

.nav__dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 12px var(--acid);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.55); opacity: 0.6; }
}

.nav__links {
  display: flex;
  gap: clamp(0.9rem, 2.5vw, 1.8rem);
  margin-left: auto;
}

.nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.nav__links a:hover, .nav__links a:focus-visible {
  color: var(--fg);
  border-color: var(--hot);
}

.nav__meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--acid);
  border: 1px solid rgba(200, 255, 0, 0.4);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}

@media (max-width: 560px) {
  .nav { gap: 0.75rem; padding: 0.8rem 0.9rem; }
  .nav__brand { letter-spacing: 0.12em; font-size: 0.85rem; }
  .nav__links { gap: 0.7rem; }
  .nav__links a { font-size: 0.66rem; letter-spacing: 0.04em; }
  .nav__meta { display: none; }
}

/* ---------- hero ---------- */

main {
  position: relative;
  z-index: 1;
  /* body copy must survive the knot swinging behind it */
  text-shadow: 0 1px 10px rgba(5, 3, 8, 0.85), 0 0 3px rgba(5, 3, 8, 0.85);
}

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 1rem 4rem;
}

.hero__kicker {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: clamp(0.72rem, 1.6vw, 0.85rem);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--cold);
  text-shadow: 0 0 18px rgba(0, 240, 255, 0.6);
}

.hero__title {
  margin: 0;
  display: flex;
  font-size: clamp(4.2rem, 19vw, 15rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

/* Alternating filled / outlined letters. */
.hero__title span {
  color: var(--fg);
  text-shadow: 0 0 40px rgba(255, 43, 214, 0.45);
}
.hero__title span:nth-child(even) {
  color: transparent;
  -webkit-text-stroke: 2px var(--hot);
  text-shadow: 0 0 40px rgba(255, 43, 214, 0.35);
}
.hero__title span:nth-child(3n) {
  -webkit-text-stroke-color: var(--cold);
  text-shadow: 0 0 40px rgba(0, 240, 255, 0.35);
}

.hero__sub {
  max-width: 34rem;
  margin: 1.6rem 0 0;
  padding: 0.9rem 1.4rem;
  border-radius: 1rem;
  color: #cfc4e4;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  background: rgba(5, 3, 8, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 2.2rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:hover, .btn:focus-visible { transform: translateY(-2px); }

.btn--hot {
  background: var(--hot);
  color: #050308;
  font-weight: 800;
  box-shadow: 0 0 24px rgba(255, 43, 214, 0.45);
}
.btn--hot:hover, .btn--hot:focus-visible { box-shadow: 0 0 40px rgba(255, 43, 214, 0.7); }

.btn--ghost {
  border: 1px solid var(--line);
  color: var(--fg);
  background: rgba(244, 239, 255, 0.04);
}
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--cold); box-shadow: 0 0 24px rgba(0, 240, 255, 0.25); }

.hero__scroll {
  margin: 3.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  animation: bob 2.6s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---------- marquee ---------- */

.marquee {
  overflow: clip;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 3, 8, 0.6);
  padding: 0.8rem 0;
}

.marquee__track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  animation: marquee 26s linear infinite;
}

.marquee__track i {
  font-style: normal;
  color: var(--acid);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- sections ---------- */

.section {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(5rem, 12vw, 9rem) clamp(1.2rem, 5vw, 3rem);
  scroll-margin-top: 4rem;
}

.section__index {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--acid);
}

.section__title {
  margin: 0.4rem 0 0;
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--fg);
}

.section__lead {
  max-width: 38rem;
  margin: 1.4rem 0 0;
  color: #cfc4e4;
  font-size: clamp(1rem, 2vw, 1.15rem);
  text-shadow: 0 1px 12px rgba(5, 3, 8, 0.9), 0 0 4px rgba(5, 3, 8, 0.9);
}

/* ---------- cards (Konzept) ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 3rem;
}

@media (max-width: 800px) {
  .cards { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1.6rem;
  background: var(--panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.25s, transform 0.25s;
}
.card:hover { border-color: rgba(255, 43, 214, 0.55); transform: translateY(-4px); }

.card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.card:nth-child(1) h3 { color: var(--hot); }
.card:nth-child(2) h3 { color: var(--cold); }
.card:nth-child(3) h3 { color: var(--acid); }

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.card__tag {
  margin-top: 1.1rem !important;
  font-family: var(--mono);
  font-size: 0.72rem !important;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg) !important;
  opacity: 0.65;
}

/* ---------- events (Programm) ---------- */

.events {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.event {
  display: grid;
  grid-template-columns: 12rem 1fr auto;
  grid-template-areas: "when name meta" "when desc meta";
  column-gap: 2rem;
  align-items: baseline;
  padding: 1.8rem 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding-left 0.25s;
}
.event:hover { background: rgba(255, 43, 214, 0.05); padding-left: 1rem; }

.event__when {
  grid-area: when;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acid);
}

.event__name {
  grid-area: name;
  margin: 0;
  font-size: clamp(1.6rem, 4.5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.event__desc {
  grid-area: desc;
  margin: 0.5rem 0 0;
  color: var(--muted);
  max-width: 40rem;
}

.event__meta {
  grid-area: meta;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cold);
  text-align: right;
}

@media (max-width: 760px) {
  .event {
    grid-template-columns: 1fr;
    grid-template-areas: "when" "name" "desc" "meta";
    row-gap: 0.5rem;
  }
  .event__meta { text-align: left; }
}

/* ---------- drinks (Bar) ---------- */

.drinks {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

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

.drink {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1.5rem 1.6rem 3.4rem;
  background: var(--panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}
.drink::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--hot);
}
.drink:nth-child(2)::before { background: var(--cold); }
.drink:nth-child(3)::before { background: var(--acid); }
.drink:nth-child(4)::before { background: var(--fg); }

.drink__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.drink__head h3 { margin: 0; font-size: 1.3rem; text-transform: uppercase; letter-spacing: 0.03em; }
.drink__no {
  font-family: var(--mono);
  font-size: 1.6rem;
  color: transparent;
  -webkit-text-stroke: 1px var(--muted);
}

.drink p { margin: 0.6rem 0 0; color: var(--muted); font-size: 0.95rem; }

.drink__price {
  position: absolute;
  right: 1.4rem;
  bottom: 1.1rem;
  margin: 0 !important;
  font-family: var(--mono);
  font-size: 1rem !important;
  color: var(--fg) !important;
}

/* ---------- visit ---------- */

.visit {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

@media (max-width: 760px) {
  .visit { grid-template-columns: 1fr; gap: 1.8rem; }
}

.visit__block h3 {
  margin: 0 0 0.8rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--hot);
}
.visit__block:nth-child(2) h3 { color: var(--cold); }
.visit__block:nth-child(3) h3 { color: var(--acid); }

.visit__block p { margin: 0; font-size: 1.05rem; }

.muted { color: var(--muted); font-size: 0.9em; }

/* ---------- footer ---------- */

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  overflow: hidden;
}

.footer__big {
  margin: 0 0 1.5rem;
  font-size: clamp(3.5rem, 16vw, 12rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 239, 255, 0.25);
}

.footer p { margin: 0.4rem 0; }

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track, .nav__dot, .hero__scroll { animation: none; }
}