/* CMWR V3.0 · shared · 00-base */
/* Cidade + Web Rádio — V5.0 | Base global e navegação compartilhada */

:root {
  color-scheme: dark;
  --page-bg: #08090a;
  --cream: #f1dfbd;
  --warm: #d69a4f;
  --red: #ef4f35;
  --amber: #d6a25e;
  --panel: #0b0e10;
  --panel-2: #111417;
  --metal: #6e4a2b;
  --hero-ratio: 1891 / 832;
  --scene-ratio: 1881 / 836;
  --scene-radius: 34px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--page-bg);
  scroll-snap-type: y mandatory;
  scroll-padding-block: 0;
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0, #1b130e 0, transparent 32rem),
    var(--page-bg);
  color: var(--cream);
  font-family: Arial, Helvetica, sans-serif;
}

.page-stack {
  position: relative;
}

.stack-panel {
  position: sticky;
  top: 0;
  width: 100%;
  min-height: 100svh;
  overflow: hidden;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.participation-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid var(--amber);
  border-radius: 3px;
  background: #542e24;
  color: var(--cream);
  font: 700 13px/1.3 Arial,sans-serif;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: background .2s;
}

.participation-button:hover {
  background: #6e392b;
}

.participation-button:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

@media (prefers-reduced-motion:reduce){
html {
  scroll-behavior: auto;
}
.participation-button {
  transition: none;
}
.participation-poster .participation-button--glow {
  transition: none;
}
}

.participation-poster .participation-button--glow {
  width: 92%;
  align-self: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 8px;
  border: 1px solid var(--cream);
  border-radius: 6px;
  background: linear-gradient(180deg,#f1dfbd 0%,#d6a25e 38%,#d69a4f 100%);
  color: #211713;
  font-size: clamp(12px,1.05vw,20px);
  font-weight: 900;
  letter-spacing: .025em;
  box-shadow: inset 0 1px 0 #fff4db,0 0 10px #d69a4f99,0 0 22px #d69a4f55,0 4px 0 #6e4a2b;
  transition: box-shadow .2s,filter .2s;
}

.participation-poster .participation-button--glow:hover,
.participation-poster .participation-button--glow:focus-visible {
  background: linear-gradient(180deg,#f1dfbd,#d6a25e);
  box-shadow: inset 0 1px 0 #fff4db,0 0 14px #d69a4fcc,0 0 28px #d69a4f88,0 4px 0 #6e4a2b;
}

.participation-poster .participation-button--glow:focus-visible {
  outline: 2px solid var(--cream);
  outline-offset: 5px;
}

.participation-poster .participation-button--glow:active {
  filter: brightness(.92);
}

.page-stack > section {
  position: relative;
  top: auto;
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  scroll-margin-block: 0;
}

@media (prefers-reduced-motion: reduce){
html {
  scroll-behavior: auto;
}
}