:root {
  --s4d-bg: #030303;
  --s4d-bg-2: #090909;
  --s4d-panel: #111111;
  --s4d-panel-2: #1b1b1b;

  --s4d-red: #e60000;
  --s4d-red-2: #ff1717;
  --s4d-red-dark: #8f0000;

  --s4d-white: #ffffff;
  --s4d-text: #ffffff;
  --s4d-muted: #d8d8d8;
  --s4d-silver: #c8c8c8;

  --s4d-border: rgba(255, 255, 255, 0.22);
  --s4d-border-strong: rgba(255, 255, 255, 0.42);
  --s4d-border-red: rgba(255, 23, 23, 0.72);

  --s4d-shadow-red: 0 0 20px rgba(230, 0, 0, 0.34);
  --s4d-shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.5);

  --s4d-radius: 12px;
  --s4d-radius-sm: 8px;
  --s4d-page-max: 1480px;

--s4d-frame-height: 720px;

--s4d-header-banner-h: 92px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--s4d-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--s4d-text);
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 9% 0%, rgba(230, 0, 0, 0.28), transparent 24%),
    radial-gradient(circle at 86% 8%, rgba(255, 255, 255, 0.075), transparent 24%),
    repeating-linear-gradient(125deg, rgba(255, 255, 255, 0.026) 0 1px, transparent 1px 54px),
    linear-gradient(180deg, #010101 0%, #090909 52%, #000 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 0 23%, rgba(230, 0, 0, 0.12) 24%, transparent 31%),
    linear-gradient(118deg, transparent 0 70%, rgba(255, 255, 255, 0.065) 71%, transparent 76%);
  opacity: 0.86;
}

a,
button {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

.suara4d-page {
  width: min(100%, var(--s4d-page-max));
  margin: 0 auto;
  padding: 6px 14px 14px;
}

.suara4d-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 350px) minmax(260px, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid var(--s4d-border);
  border-radius: var(--s4d-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 52%),
    linear-gradient(135deg, rgba(230, 0, 0, 0.18), rgba(10, 10, 10, 0.96) 42%, rgba(0, 0, 0, 0.98));
  box-shadow: var(--s4d-shadow-soft), var(--s4d-shadow-red);
  backdrop-filter: blur(10px);
}

.suara4d-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--s4d-white);
  text-decoration: none;
}

.suara4d-logo {
  display: block;
  width: min(100%, 285px);
  max-height: 82px;
  object-fit: contain;
  filter:
    drop-shadow(3px 3px 0 rgba(0, 0, 0, 0.95))
    drop-shadow(0 0 8px rgba(230, 0, 0, 0.28));
}

.suara4d-brand-text {
  display: none;
  color: var(--s4d-white);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  text-shadow: 3px 3px 0 #000, 0 0 12px rgba(230, 0, 0, 0.45);
}

.suara4d-header-banner {
  min-width: 0;
  width: 100%;
  height: var(--s4d-header-banner-h);
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 10px;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.07), transparent 58%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(0, 0, 0, 0.16));
}

.suara4d-header-banner.has-image {
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.28);
}

.suara4d-header-banner.is-empty {
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.suara4d-banner-link,
.suara4d-banner-img {
  display: block;
  width: 100%;
  height: 100%;
}

.suara4d-banner-link {
  text-decoration: none;
}

.suara4d-banner-img {
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.36));
}

.suara4d-banner-placeholder {
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.suara4d-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px;
}

.suara4d-nav-link {
  position: relative;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--s4d-border-strong);
  border-radius: var(--s4d-radius-sm);
  color: var(--s4d-white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 48%),
    linear-gradient(180deg, #303030, #080808);
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.48),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  font-size: clamp(14px, 1.12vw, 18px);
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-shadow: 2px 2px 0 #000;
  transition: transform 0.16s ease, filter 0.16s ease, border-color 0.16s ease;
}

.suara4d-nav-link:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  border-color: var(--s4d-border-red);
}

.suara4d-nav-link:active {
  transform: translateY(1px);
}

.suara4d-nav-link.is-active {
  border-color: var(--s4d-border-red);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 38%),
    linear-gradient(180deg, var(--s4d-red-2), var(--s4d-red) 56%, var(--s4d-red-dark));
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    0 0 16px rgba(230, 0, 0, 0.42);
}

.suara4d-content {
  margin-top: 12px;
  border: 1px solid var(--s4d-border);
  border-radius: var(--s4d-radius);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent 46%),
    linear-gradient(180deg, rgba(15, 15, 15, 0.88), rgba(2, 2, 2, 0.98));
  box-shadow: var(--s4d-shadow-soft);
}

.suara4d-frame-wrap {
  position: relative;
  height: var(--s4d-frame-height);
  min-height: 560px;
  overflow: hidden;
  background:
    radial-gradient(circle at center top, rgba(230, 0, 0, 0.08), transparent 35%),
    rgba(0, 0, 0, 0.34);
}

.suara4d-frame {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  background: transparent;
}

.suara4d-loader {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--s4d-white);
  background: rgba(0, 0, 0, 0.72);
  font-size: 16px;
  font-weight: 900;
  text-shadow: 2px 2px 0 #000;
}

.suara4d-loader.is-visible {
  display: flex;
}

.suara4d-loader-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--s4d-red-2);
  box-shadow: 0 0 14px rgba(255, 23, 23, 0.8);
  animation: s4dPulse 0.85s ease-in-out infinite alternate;
}

@keyframes s4dPulse {
  from {
    transform: scale(0.8);
    opacity: 0.55;
  }

  to {
    transform: scale(1.18);
    opacity: 1;
  }
}

@media (max-width: 1180px) {
  .suara4d-header {
    grid-template-columns: minmax(190px, 300px) minmax(220px, 1fr) auto;
    gap: 12px;
  }

  .suara4d-logo {
    width: min(100%, 260px);
    max-height: 76px;
  }

  .suara4d-nav-link {
    min-height: 40px;
    padding: 0 13px;
    font-size: 14px;
  }
}

@media (max-width: 980px) {
  :root {
    --s4d-header-banner-h: 74px;
  }

  .suara4d-page {
    padding: 8px 10px 12px;
  }

  .suara4d-header {
    grid-template-columns: 1fr;
    gap: 10px;
    top: 8px;
  }

  .suara4d-brand {
    justify-content: center;
  }

  .suara4d-logo {
    width: min(100%, 260px);
    max-height: 76px;
  }

  .suara4d-header-banner {
    max-width: 760px;
    margin: 0 auto;
  }

  .suara4d-nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .suara4d-nav-link {
    flex: 1 1 170px;
    max-width: 260px;
  }
}

@media (max-width: 520px) {
  :root {
    --s4d-header-banner-h: 58px;
  }

  .suara4d-page {
    padding: 7px;
  }

  .suara4d-header {
    padding: 9px;
    border-radius: 10px;
  }

  .suara4d-logo {
    width: min(100%, 230px);
    max-height: 68px;
  }

  .suara4d-header-banner {
    min-height: 48px;
    border-radius: 8px;
  }

  .suara4d-nav {
    width: 100%;
    gap: 8px;
  }

  .suara4d-nav-link {
    min-height: 38px;
    padding: 0 10px;
    font-size: 14px;
  }

  .suara4d-content {
    margin-top: 9px;
    border-radius: 10px;
  }

  .suara4d-frame-wrap {
    min-height: 620px;
  }
}

@media (max-width: 360px) {
  .suara4d-nav-link {
    flex-basis: 100%;
    max-width: none;
  }
}