.portals-page {
  --portal-accent: #d29a61;
  --portal-paper: #e9e4da;
  --portal-slate: #829ca2;
  --portal-gold: #bda568;
  --portal-dark: #020504;
  overflow-x: hidden;
  background: var(--portal-dark);
}

.portals-page::before {
  background-image:
    linear-gradient(105deg, rgba(2, 5, 4, 0.62), rgba(2, 5, 4, 0.12) 52%, rgba(2, 5, 4, 0.48)),
    url("images/portals-background.jpg");
  background-position: 72% center;
  opacity: 0.86;
}

.portals-v2-page::before {
  background-image:
    linear-gradient(105deg, rgba(2, 5, 4, 0.62), rgba(2, 5, 4, 0.12) 52%, rgba(2, 5, 4, 0.48)),
    url("images/portalcover1.jpg");
  background-position: center;
}

.portals-page::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at var(--portal-x, 68%) var(--portal-y, 48%), rgba(210, 154, 97, 0.08), transparent 17rem),
    linear-gradient(transparent 49.8%, rgba(130, 156, 162, 0.045) 50%, transparent 50.2%);
  background-size: auto, 100% 7px;
  content: "";
  pointer-events: none;
}

.portals-header {
  background: linear-gradient(rgba(2, 5, 4, 0.88), transparent);
}

.portals-main {
  position: relative;
  z-index: 2;
}

.portal-threshold {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 100svh;
  padding: clamp(130px, 18vh, 190px) var(--page-pad) clamp(34px, 5vw, 72px);
  overflow: hidden;
  align-content: end;
}

.portal-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 1120px;
}

.portal-status,
.portal-section-index,
.portal-transmission,
.portal-channel span,
.portal-channel small,
.portal-readout-signal,
.portal-readout-state,
.portals-footer {
  font-size: 10px;
  line-height: 1.45;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.portal-status {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0 0 clamp(24px, 5vh, 58px);
  color: rgba(255, 255, 255, 0.68);
}

.portals-v2-page .portal-status {
  font-size: 11.25px;
}

.portal-status span,
.portal-readout-state span {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--portal-accent);
  box-shadow: 0 0 18px rgba(210, 154, 97, 0.78);
  animation: portal-pulse 2.4s ease-in-out infinite;
}

.portal-hero-copy h1 {
  margin: 0 0 clamp(30px, 5vw, 62px);
  color: var(--portal-paper);
  font-size: clamp(42px, 8vw, 125px);
  font-weight: 300;
  line-height: 0.86;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.portal-manifesto {
  max-width: 760px;
  margin: 0;
  color: rgba(243, 244, 236, 0.76);
  font-size: clamp(17px, 1.55vw, 23px);
  font-weight: 300;
  line-height: 1.52;
}

.portal-enter {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  width: min(360px, 100%);
  margin-top: clamp(34px, 6vh, 70px);
  padding: 16px 0;
  border: 0;
  border-top: 1px solid rgba(243, 244, 236, 0.48);
  border-bottom: 1px solid rgba(243, 244, 236, 0.48);
  background: transparent;
  color: var(--portal-paper);
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.17em;
  text-align: left;
  text-transform: uppercase;
  transition: color 180ms ease, padding 180ms ease;
}

.portal-enter:hover,
.portal-enter:focus-visible {
  padding-inline: 12px;
  color: var(--portal-accent);
  outline: none;
}

.portal-enter-static {
  cursor: default;
}

.portals-v2-page .portal-enter-static {
  font-size: 10.5px;
}

.portal-enter-clone {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 1;
  width: 0;
  height: 0;
  margin: 0;
  opacity: 1;
  pointer-events: none;
}

.portal-enter-clone-char {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  color: var(--portal-paper);
  font-size: 10.5px;
  line-height: 1;
  letter-spacing: 0.17em;
  white-space: pre;
  text-transform: uppercase;
  text-shadow: 0 0 14px rgba(233, 228, 218, 0.42);
  opacity: 0;
  transform-origin: center;
  pointer-events: none;
  will-change: transform, opacity;
}

.portal-enter-static:hover {
  padding-inline: 0;
  color: var(--portal-paper);
}

.portal-transmission {
  z-index: 2;
  display: grid;
  gap: 7px;
  align-self: end;
  margin: 0 0 4px clamp(30px, 5vw, 90px);
  color: rgba(243, 244, 236, 0.56);
  text-align: right;
}

.portal-transmission p { margin: 0; }
.portal-transmission span { color: rgba(243, 244, 236, 0.92); }

.portal-field {
  position: relative;
  min-height: 100svh;
  padding: clamp(100px, 13vw, 190px) var(--page-pad);
  background: radial-gradient(circle at 78% 46%, rgba(130, 156, 162, 0.08), transparent 34%), rgba(2, 5, 4, 0.93);
  border-top: 1px solid rgba(243, 244, 236, 0.2);
}

.portal-field-header {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: clamp(40px, 8vw, 140px);
  align-items: end;
  padding-bottom: clamp(68px, 9vw, 120px);
}

.portal-section-index { margin: 0 0 22px; color: var(--portal-accent); }

.portal-field-header h2 {
  margin: 0;
  font-size: clamp(42px, 7vw, 112px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.portal-field-header > p {
  max-width: 520px;
  margin: 0;
  color: rgba(243, 244, 236, 0.58);
  font-size: clamp(16px, 1.35vw, 21px);
  line-height: 1.55;
}

.portal-interface {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(48px, 8vw, 140px);
  align-items: start;
}

.portal-channels { border-top: 1px solid rgba(243, 244, 236, 0.32); }

.portal-channel {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  gap: clamp(18px, 3vw, 48px);
  align-items: center;
  width: 100%;
  padding: clamp(18px, 2.3vw, 30px) 0;
  border: 0;
  border-bottom: 1px solid rgba(243, 244, 236, 0.22);
  background: transparent;
  color: rgba(243, 244, 236, 0.58);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: color 180ms ease, padding 180ms ease, background 180ms ease;
}

.portal-channel strong {
  font-size: clamp(24px, 3vw, 48px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.035em;
}

.portal-channel small { text-align: right; }

.portal-channel:hover,
.portal-channel:focus-visible,
.portal-channel.is-active {
  padding-inline: 15px;
  background: rgba(189, 165, 104, 0.08);
  color: var(--portal-paper);
  outline: none;
}

.portal-channel.is-active span { color: var(--portal-accent); }

.portal-readout {
  position: sticky;
  top: 110px;
  min-height: 420px;
  padding: clamp(28px, 4vw, 54px);
  background: rgba(130, 156, 162, 0.09);
  border: 1px solid rgba(210, 154, 97, 0.3);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.portal-readout-signal { margin: 0 0 clamp(80px, 13vh, 140px); color: var(--portal-accent); }

.portal-readout h3 {
  margin: 0 0 24px;
  font-size: clamp(35px, 4vw, 62px);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.portal-readout-copy { margin: 0; color: rgba(243, 244, 236, 0.68); font-size: 16px; line-height: 1.6; }
.portal-readout-state { display: flex; gap: 10px; align-items: center; margin: 44px 0 0; color: rgba(243, 244, 236, 0.48); }

.portals-footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px var(--page-pad) 44px;
  background: rgba(2, 5, 4, 0.96);
  border-top: 1px solid rgba(243, 244, 236, 0.2);
  color: rgba(243, 244, 236, 0.58);
}

.portals-footer p { margin: 0; }
.portals-footer a { text-decoration: none; }
.portals-footer a:hover, .portals-footer a:focus-visible { color: var(--portal-accent); outline: none; }

@keyframes portal-pulse { 0%, 100% { opacity: 0.45; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.15); } }

@media (max-width: 900px) {
  .portal-threshold { grid-template-columns: 1fr; }
  .portal-transmission { margin: clamp(54px, 8vh, 90px) 0 0; text-align: left; }
  .portal-field-header, .portal-interface { grid-template-columns: 1fr; }
  .portal-readout { position: static; min-height: 340px; }
}

@media (max-width: 600px) {
  .portal-hero-copy h1 { font-size: clamp(46px, 17vw, 83px); }
  .portal-channel { grid-template-columns: 38px minmax(0, 1fr); }
  .portal-channel small { grid-column: 2; text-align: left; }
  .portals-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .portal-status span, .portal-readout-state span { animation: none; }
  .portal-enter-clone { display: none; }
}