/* ============================================================
   iBox Vita — Release-/Teaser-Page
   Apple-Keynote-Ästhetik: Schwarz, SF-Stack, leichte hochwertige
   Animationen. Keine Dependencies.
   ============================================================ */

:root {
  --bg: #000;
  --text: #f5f5f7;
  --text-mid: #a1a1a6;
  --text-dim: #86868b;
  --hairline: rgba(255, 255, 255, .09);
  --card: rgba(255, 255, 255, .035);
  --glow-blue: 106, 169, 255;
  --glow-violet: 155, 123, 255;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
                  "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: rgba(var(--glow-blue), .35); }

/* Feiner Film-Grain über allem */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ Nebula-Canvas ============ */

#nebula {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

main { position: relative; z-index: 1; }

/* ============ Masthead ============ */

.masthead {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: 30px 0;
}

.masthead .mark {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .5em;
  margin-right: -.5em; /* optische Zentrierung trotz Letterspacing */
  text-transform: lowercase;
  color: var(--text-dim);
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}

/* Sanfter Glow hinter dem Wordmark */
.hero::before {
  content: "";
  position: absolute;
  top: 24%;
  left: 50%;
  transform: translateX(-50%);
  width: min(90vw, 900px);
  height: 420px;
  background: radial-gradient(closest-side,
      rgba(var(--glow-blue), .10),
      rgba(var(--glow-violet), .05) 55%,
      transparent 100%);
  filter: blur(10px);
  pointer-events: none;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .38em;
  margin-right: -.38em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.2rem;
}

.wordmark {
  will-change: transform;
  transform: perspective(900px);
  filter: drop-shadow(0 10px 42px rgba(var(--glow-blue), .28));
}

.wordmark-text {
  position: relative;
  display: inline-block;
  white-space: nowrap;
  font-size: clamp(3.4rem, 12vw, 9rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.05;
  background: linear-gradient(180deg,
      #ffffff 0%, #ecedf1 34%, #bcc0ca 62%, #7c8290 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Wandernder Lichtreflex ("Sheen") über dem Metall-Wordmark */
.wordmark-text::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  white-space: nowrap;
  background: linear-gradient(115deg,
      rgba(255, 255, 255, 0) 42%,
      rgba(255, 255, 255, .85) 50%,
      rgba(255, 255, 255, 0) 58%);
  background-size: 280% 100%;
  background-position: 160% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sheen 7s var(--ease-out) 2.4s infinite;
  pointer-events: none;
}

@keyframes sheen {
  0%        { background-position: 160% 0; }
  46%, 100% { background-position: -80% 0; }
}

.tagline {
  margin-top: 2rem;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  font-weight: 400;
  color: var(--text-mid);
}

.event-date {
  margin-top: .9rem;
  font-family: var(--font-mono);
  font-size: clamp(.85rem, 1.6vw, 1rem);
  letter-spacing: .12em;
  color: var(--text);
}

.event-date time {
  background: linear-gradient(90deg,
      rgb(var(--glow-blue)), rgb(var(--glow-violet)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.scroll-cue {
  position: absolute;
  bottom: 34px;
  left: 50%;
  translate: -50% 0;
  color: var(--text-dim);
  padding: 12px;
  transition: color .4s;
  animation-name: rise, cue-float;
  animation-duration: 1.2s, 3s;
  animation-timing-function: var(--ease-out), ease-in-out;
  animation-delay: var(--d), 3s;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: both, none;
}

.scroll-cue:hover { color: var(--text); }

@keyframes cue-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(7px); }
}

/* ============ Sections (gemeinsam) ============ */

section {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(7rem, 16vh, 12rem) 24px;
  text-align: center;
}

.kicker {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .38em;
  margin-right: -.38em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.4rem;
}

.statement {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.12;
}

.statement em {
  font-style: normal;
  background: linear-gradient(90deg,
      rgb(var(--glow-blue)), rgb(var(--glow-violet)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub {
  margin-top: 2rem;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-mid);
  max-width: 34em;
  margin-left: auto;
  margin-right: auto;
}

/* ============ Pillars ============ */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.pillar {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 28px;
  padding: 2.6rem 2.2rem;
  transition: transform .6s var(--ease-out), border-color .6s;
}

.pillar:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, .18);
}

.pillar h3 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: .8rem;
}

.pillar p {
  font-size: .98rem;
  line-height: 1.55;
  color: var(--text-mid);
}

/* Staffelung beim Einblenden */
.pillar:nth-child(2) { transition-delay: .12s; }
.pillar:nth-child(3) { transition-delay: .24s; }

/* ============ Countdown ============ */

.count-grid {
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 5vw, 3.4rem);
}

.count-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  background: linear-gradient(180deg, #fff 20%, #9298a5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.count-label {
  display: block;
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .3em;
  margin-right: -.3em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.save {
  margin-top: 3.4rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .12em;
  color: var(--text-mid);
}

/* ============ Reveal-Stufe ============ */

.reveal-stage {
  border-top: 1px solid var(--hairline);
}

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

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--hairline);
  padding: 3.4rem 24px;
  text-align: center;
  font-size: .82rem;
  color: var(--text-dim);
}

/* ============ Animationen ============ */

/* Page-Load: orchestriertes Aufsteigen im Hero */
.rise {
  animation: rise 1.2s var(--ease-out) both;
  animation-delay: var(--d, 0s);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); filter: blur(12px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0); }
}

/* Scroll-Reveals */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(14px);
  transition: opacity 1.1s var(--ease-out),
              transform 1.1s var(--ease-out),
              filter 1.1s var(--ease-out);
}

.reveal.in-view {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

/* ============ Responsive ============ */

@media (max-width: 760px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar { text-align: center; }
}

/* ============ Reduced Motion ============ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise, .scroll-cue { animation: none; }
  .wordmark-text::after { animation: none; opacity: 0; }
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}