:root {
  color-scheme: dark;
  --bg: #050608;
  --panel: #101216;
  --ink: #f7f4ec;
  --muted: #b9b1a8;
  --line: rgba(255,255,255,.16);
  --hot: #ff5f83;
  --sun: #ffb35c;
  --aqua: #45d7d4;
  --field: #171a20;
  --shadow: 0 28px 80px rgba(0,0,0,.46);
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  margin: 0;
  min-height: 100%;
  font-family: "Hanken Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(69,215,212,.10), transparent 34%),
    linear-gradient(290deg, rgba(255,95,131,.12), transparent 42%),
    #050608;
}

button, input, select, textarea { font: inherit; }

button { color: inherit; }

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

.shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(310px, 520px) minmax(300px, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: 28px 0 42px;
}

.poster-zone {
  min-width: 0;
  display: grid;
  gap: 16px;
  justify-items: center;
  animation: rise-in 720ms cubic-bezier(.2, .8, .2, 1) both;
}

.brand-row {
  width: min(100%, 430px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  position: relative;
  z-index: 4;
}

.brand-row img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.poster-stage {
  width: min(100%, 430px);
  aspect-ratio: 904 / 1280;
  perspective: 1300px;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
  position: relative;
  z-index: 1;
  margin-bottom: 10px;
}

.poster-stage.is-dragging { cursor: grabbing; }

.poster-stage::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -18px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,.38);
  filter: blur(12px);
  transform: scaleX(var(--shadow-scale, 1));
  transition: transform 260ms ease, opacity 260ms ease;
  opacity: .92;
}

.poster-rotor {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform:
    translateZ(var(--poster-lift, 0px))
    rotateX(var(--poster-tilt-x, 0deg))
    rotateY(var(--poster-rotation, 0deg));
  transition: transform 620ms cubic-bezier(.16, .84, .24, 1);
  will-change: transform;
}

.poster-stage.is-dragging .poster-rotor { transition: none; }

.poster-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  backface-visibility: hidden;
  box-shadow: var(--shadow);
  background: #111;
  transform: translateZ(1px);
}

.poster-face::before {
  content: "";
  position: absolute;
  inset: -18% -44%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 34%, rgba(255,255,255,.22) 47%, rgba(69,215,212,.18) 51%, transparent 64%);
  mix-blend-mode: screen;
  transform: translateX(var(--shine-x, -56%)) skewX(-9deg);
  opacity: var(--shine-opacity, .34);
  transition: transform 260ms ease, opacity 260ms ease;
}

.poster-face::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), inset 0 18px 45px rgba(255,255,255,.08);
}

.poster-back { transform: rotateY(180deg) translateZ(1px); }

.poster-rotor::before,
.poster-rotor::after {
  content: "";
  position: absolute;
  top: 1.2%;
  bottom: 1.2%;
  width: 10px;
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,95,131,.22), rgba(0,0,0,.30));
  transform-style: preserve-3d;
  opacity: .58;
  pointer-events: none;
}

.poster-rotor::before {
  left: -4px;
  transform: rotateY(90deg) translateZ(5px);
}

.poster-rotor::after {
  right: -4px;
  transform: rotateY(-90deg) translateZ(5px);
}

.poster-face img, .poster-face picture {
  display: block;
  width: 100%;
  height: 100%;
}

.poster-face img {
  object-fit: cover;
  pointer-events: none;
}

.poster-controls {
  width: min(100%, 430px);
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  gap: 10px;
  align-items: center;
  position: relative;
  z-index: 4;
}

.icon-button, .segmented button, .submit, .stepper button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  min-height: 44px;
  border-radius: 8px;
  cursor: pointer;
}

.icon-button {
  display: grid;
  place-items: center;
  font-size: 23px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.05);
}

.segmented button {
  min-height: 36px;
  border-color: transparent;
}

.segmented button[aria-pressed="true"] {
  color: #090909;
  background: linear-gradient(90deg, var(--aqua), var(--sun));
}

.event-panel {
  min-width: 0;
  display: grid;
  gap: 24px;
  align-content: center;
}

.event-copy {
  display: grid;
  gap: 8px;
  animation: rise-in 760ms 90ms cubic-bezier(.2, .8, .2, 1) both;
}

.eyebrow {
  margin: 0;
  color: var(--aqua);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .16em;
}

h1 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(56px, 10vw, 132px);
  line-height: .82;
  font-weight: 600;
}

.artist {
  margin: 0;
  color: var(--muted);
  font-size: clamp(24px, 4vw, 44px);
}

.event-facts {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.event-facts span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--ink);
  background: rgba(255,255,255,.05);
}

.rsvp-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16,18,22,.82);
  box-shadow: 0 20px 60px rgba(0,0,0,.28);
  animation: rise-in 820ms 160ms cubic-bezier(.2, .8, .2, 1) both;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
}

.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: var(--field);
  outline: none;
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(69,215,212,.16);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(132px, 170px);
  gap: 12px;
}

.stepper {
  display: grid;
  grid-template-columns: 44px minmax(52px, 1fr) 44px;
  gap: 6px;
}

.stepper input {
  text-align: center;
}

.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.consent {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--muted);
  line-height: 1.35;
}

.consent input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--hot);
}

.submit {
  min-height: 50px;
  border: 0;
  color: #08090b;
  font-weight: 800;
  background: linear-gradient(90deg, var(--hot), var(--sun), var(--aqua));
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
}

.form-status.ok { color: #8cf4d6; }
.form-status.error { color: #ff9aa8; }

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.program-strip {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 26px;
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  animation: fade-in 900ms 240ms ease both;
}

.program-strip div {
  min-width: 128px;
  padding: 16px 14px;
  border-right: 1px solid var(--line);
}

.program-strip div:last-child { border-right: 0; }

.program-strip span {
  display: block;
  color: var(--aqua);
  font-weight: 700;
  margin-bottom: 4px;
}

.program-strip strong {
  font-weight: 600;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.site-footer a, .text-link { color: var(--ink); text-underline-offset: 4px; }

.simple-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.simple-panel {
  width: min(680px, 100%);
  padding: clamp(24px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16,18,22,.86);
}

.simple-panel h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 8vw, 78px);
}

.simple-panel p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .shell {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 18px;
  }

  .event-panel {
    gap: 18px;
  }

  h1 { font-size: clamp(62px, 22vw, 108px); }

  .program-strip {
    grid-template-columns: repeat(6, 144px);
  }
}

@media (max-width: 560px) {
  .shell, .program-strip, .site-footer {
    width: min(100% - 22px, 1180px);
  }

  .brand-row {
    font-size: 10px;
  }

  .poster-controls {
    grid-template-columns: 42px 1fr 42px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .rsvp-form {
    padding: 14px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .poster-rotor { transition: none; }
  .poster-zone, .event-copy, .rsvp-form, .program-strip { animation: none; }
  .poster-face::before { display: none; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}