/*
  portal.css

  Styles for the / (index) portal page only.
  Requires: tokens.css, interior-base.css loaded first.
  Brand mode: ritual
*/

/* ── Root overrides ──────────────────────────────────────────────────────── */

:root {
  --scan-warp: 0.4deg;
}

body {
  overflow: hidden;
}

/* ── Responsive surface toggle ───────────────────────────────────────────── */

.portal-desktop { display: block; }
.portal-mobile  { display: none; }

@media (max-width: 900px) {
  .portal-desktop { display: none; }
  .portal-mobile  { display: block; }
}

/* ── Screen-reader heading ───────────────────────────────────────────────── */

.home-heading-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Mobile portal ───────────────────────────────────────────────────────── */

.portal-mobile {
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  overflow: hidden;
}

.portal-mobile .wrap {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(clamp(calc(var(--hero-bar-height) + 22px), 5.5svh, 112px) + env(safe-area-inset-top)) 6vw calc(clamp(18px, 4svh, 40px) + env(safe-area-inset-bottom));
  text-align: center;
}

.portal-mobile .mobile-fit {
  width: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: clamp(.35rem, 1.2svh, .75rem);
  transform: scale(var(--mobile-fit-scale, 1));
  transform-origin: center center;
  will-change: transform;
}

.portal-mobile .portal {
  width: min(44vh, 380px);
  height: min(44vh, 380px);
  margin: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--text);
  box-shadow: 0 0 18px var(--green-1), 0 0 44px var(--green-2), 0 0 92px var(--green-3);
  backdrop-filter: blur(4px) brightness(1.15) contrast(1.25);
}

.portal-mobile .portal .portal-media {
  display: block;
  width: 100%;
  height: 100%;
}

.portal-mobile .portal .portal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.05) contrast(1.2);
}

.portal-mobile .portal-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(.6rem, 1.6svh, 1rem);
}

.portal-mobile .portal-link-row {
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 5vw, 3rem);
}

.portal-mobile .portal-link {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.8vw, 2.2rem);
  letter-spacing: .22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  opacity: .7;
  text-shadow: 0 0 10px var(--green-2), 0 0 22px var(--green-3);
  transition: opacity 150ms ease, filter 150ms ease, text-shadow 150ms ease;
}

.portal-mobile .portal-link:hover {
  opacity: 1;
  filter: brightness(1.35) contrast(1.2);
  text-shadow: 0 0 14px var(--green-1), 0 0 32px var(--green-2);
}

.portal-mobile .portal-link:focus-visible {
  opacity: 1;
  filter: brightness(1.35) contrast(1.2);
  text-shadow: 0 0 14px var(--green-1), 0 0 32px var(--green-2);
  outline: 2px solid var(--green-hot-1);
  outline-offset: 8px;
  border-radius: 8px;
}

.portal-mobile .thin-band {
  margin-top: 0;
  padding: 0;
  border-radius: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.portal-mobile .thin-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
  flex-direction: column;
}

.portal-mobile .thin-input {
  width: min(340px, 78vw);
  padding: .5rem .85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 255, 138, 0.26);
  background: rgba(0, 0, 0, 0.55);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  text-align: center;
  outline: none;
  box-shadow: 0 0 0 1px rgba(42, 255, 138, 0.08);
}

.portal-mobile .thin-input::placeholder {
  color: rgba(42, 255, 138, 0.6);
}

.portal-mobile .thin-input:focus-visible {
  border-color: rgba(42, 255, 138, 0.55);
  box-shadow: 0 0 0 2px rgba(42, 255, 138, 0.16);
}

.portal-mobile .thin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem .95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--green-hot-1);
  background: rgba(42, 255, 138, 0.10);
  color: var(--text);
  text-decoration: none;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-size: .78rem;
  cursor: pointer;
  align-self: center;
}

.portal-mobile .thin-helper {
  margin-top: 0.55rem;
  width: min(420px, 86vw);
  text-align: center;
  font-size: 0.92rem;
  line-height: 1.35;
  opacity: .92;
}

.portal-mobile .thin-helper__actions {
  margin-top: 0.45rem;
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.portal-mobile .thin-helper__link,
.portal-mobile .thin-helper__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.48rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 255, 138, 0.26);
  background: rgba(0, 0, 0, 0.5);
  color: var(--text);
  text-decoration: none;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-size: .74rem;
  cursor: pointer;
}

.portal-mobile .thin-helper__link:hover,
.portal-mobile .thin-helper__btn:hover,
.portal-mobile .thin-helper__link:focus-visible,
.portal-mobile .thin-helper__btn:focus-visible {
  border-color: rgba(42, 255, 138, 0.55);
  box-shadow: 0 0 14px rgba(42, 255, 138, 0.16);
}

.portal-mobile .foot {
  text-align: center;
  opacity: .92;
  letter-spacing: .12em;
  font-size: .95rem;
  text-shadow: 0 0 10px var(--green-3);
}

.portal-mobile .splash__eyebrow {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: .15em;
  text-shadow:
    -1px -1px 0 var(--relief),
     0 0 8px var(--green-1),
     0 0 18px var(--green-2),
     0 0 28px var(--green-3);
}

.portal-mobile .lede {
  margin: 0.5rem auto;
  font-size: 1.45rem;
  max-width: 520px;
  opacity: .92;
  text-shadow: 0 0 9px var(--green-1);
}

.portal-mobile .divider {
  margin-top: .65rem;
  font-family: var(--font-display);
  opacity: .7;
  text-shadow: 0 0 9px var(--green-2);
}

.portal-mobile .splash__foot {
  margin-top: 0.65rem;
  font-size: 1rem;
  opacity: .9;
  letter-spacing: .12em;
}

.portal-mobile .splash__foot a {
  color: var(--text);
  margin: 0 .6rem;
  text-decoration: none;
  text-shadow: 0 0 8px var(--green-1);
}

.portal-mobile .splash__foot a:hover,
.portal-mobile .splash__foot a:focus-visible {
  filter: brightness(1.25) contrast(1.1);
}

@media (prefers-reduced-motion: reduce) {
  .portal-mobile .portal-link { transition: none; }
}

@media (max-height: 680px) {
  .portal-mobile .wrap { padding: calc(clamp(calc(var(--hero-bar-height) + 18px), 4.5svh, 94px) + env(safe-area-inset-top)) 4.5vw calc(clamp(14px, 3svh, 28px) + env(safe-area-inset-bottom)); }
  .portal-mobile .title { font-size: clamp(1.35rem, 3.8vw, 2.3rem); }
  .portal-mobile .portal-stack { gap: .75rem; }
  .portal-mobile .portal { width: min(32vh, 250px); height: min(32vh, 250px); }
  .portal-mobile .portal-link { font-size: clamp(1.1rem, 3.2vw, 1.8rem); }
  .portal-mobile .thin-input { width: min(280px, 74vw); font-size: 1rem; }
  .portal-mobile .thin-button { padding: .52rem .85rem; font-size: .74rem; }
  .portal-mobile .foot { font-size: .85rem; letter-spacing: .10em; }
  .portal-mobile .splash__eyebrow { font-size: 0.95rem; }
  .portal-mobile .lede { font-size: 1.05rem; margin: 0.3rem auto; }
  .portal-mobile .divider { margin-top: .4rem; font-size: .9rem; }
  .portal-mobile .splash__foot { margin-top: 0.4rem; font-size: .9rem; }
}

@media (max-width: 600px) {
  .portal-mobile .wrap {
    padding-top: calc(clamp(calc(var(--hero-bar-height) + 22px), 7.5svh, 120px) + env(safe-area-inset-top));
    padding-bottom: calc(clamp(14px, 4svh, 32px) + env(safe-area-inset-bottom));
  }
  .portal-mobile .portal {
    width: clamp(190px, 34svh, 300px);
    height: clamp(190px, 34svh, 300px);
  }
}

@media (max-width: 480px) {
  .portal-mobile .wrap { padding: calc(clamp(calc(var(--hero-bar-height) + 18px), 4.5svh, 94px) + env(safe-area-inset-top)) 4.5vw calc(clamp(14px, 3svh, 28px) + env(safe-area-inset-bottom)); }
  .portal-mobile .portal-stack { gap: .75rem; }
  .portal-mobile .portal-link { letter-spacing: .18em; }
  .portal-mobile .thin-form { gap: .45rem; flex-direction: row; }
}

/* ── Flash on load ───────────────────────────────────────────────────────── */

.portal-flash {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 300;
  animation: portal-flash 0.45s ease-out forwards;
}

@keyframes portal-flash {
  0%   { opacity: 1; background: #000; }
  50%  { opacity: .9; background: radial-gradient(circle, rgba(42, 255, 138, 0.4), #000 80%); }
  100% { opacity: 0; visibility: hidden; }
}

/* ── Portal frame ────────────────────────────────────────────────────────── */

.portal-frame {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 40vh;
  height: 40vh;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  overflow: hidden;
  z-index: 10;
  border: 3px solid var(--text);
  box-shadow:
    0 0 16px var(--green-1),
    0 0 36px var(--green-2),
    0 0 72px var(--green-3);
  backdrop-filter: blur(4px) brightness(1.2) contrast(1.3);
  will-change: transform;
  animation:
    portal-drift 22s ease-in-out infinite,
    portal-glitch-cycle 2.2s steps(2, end) infinite,
    portal-twinkle-sync 6.3s ease-in-out infinite alternate;
}

@keyframes portal-drift {
  0%, 100% { transform: translate(-50%, -50%) rotate(calc(var(--scan-warp) * -1)); }
  50%      { transform: translate(-50%, -50%) rotate(calc(var(--scan-warp) * 1)); }
}

@keyframes portal-glitch-cycle {
  0%, 95% {}
  96% {
    border-color: rgba(42, 255, 138, 0.35);
    transform: translate(calc(-50% + 2px), calc(-50% - 1px)) skew(.4deg, -.6deg);
    box-shadow: 0 0 6px var(--green-hot-2), 0 0 20px var(--green-hot-3);
  }
  98% {
    transform: translate(calc(-50% - 3px), calc(-50% + 2px)) skew(-.3deg, .6deg);
  }
}

@keyframes portal-twinkle-sync {
  0%, 92%  { filter: brightness(1.0) saturate(1.0); }
  93%, 100% { filter: brightness(1.2) saturate(1.4); }
}

/* ── Portal noise overlay ────────────────────────────────────────────────── */

.portal-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgQAL///8AAQUBAf9luzwAAAAASUVORK5CYII=') repeat;
  opacity: .22;
  mix-blend-mode: lighten;
  animation: noise-shift 0.6s infinite steps(2);
}

@keyframes noise-shift {
  from { transform: translate(0, 0); }
  to   { transform: translate(-1px, 1px); }
}

/* ── Portal media ────────────────────────────────────────────────────────── */

.portal-media {
  display: block;
  width: 100%;
  height: 100%;
}

.portal-frame .portal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.2) contrast(1.6);
  image-rendering: pixelated;
  animation: gif-breathe 10s ease-in-out infinite;
}

@keyframes gif-breathe {
  0%, 100% { filter: brightness(1.1) contrast(1.5); }
  50%      { filter: brightness(1.25) contrast(1.8); }
}

@media (prefers-reduced-motion: reduce) {
  .portal-frame .portal-media img,
  .portal-frame,
  .portal-noise,
  .header-title {
    animation: none !important;
  }
  .portal-noise { opacity: .25; }
}

/* ── Desktop nav grid ────────────────────────────────────────────────────── */

.big-nav {
  position: absolute;
  top: 52%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88%;
  height: 68vh;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: repeat(3, 1fr);
  z-index: 2;
}

.big-word {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 7rem);
  text-decoration: none;
  color: var(--text);
  opacity: .42;
  align-self: center;
  justify-self: center;
  text-shadow:
    0 0 14px rgba(42, 255, 138, 0.4),
    0 0 28px rgba(42, 255, 138, 0.25);
  transition: all .25s ease;
}

.big-word:hover,
.big-word:focus-visible {
  opacity: 1;
  filter: brightness(2.5) contrast(2.6);
  text-shadow:
    0 0 18px var(--green-hot-1),
    0 0 36px var(--green-hot-2),
    0 0 72px var(--green-hot-3);
}

.big-word--store { grid-column: 3; }
.big-word--about { grid-row: 3; }
.big-word--lab   { grid-column: 3; grid-row: 3; }

/* ── Lower splash ────────────────────────────────────────────────────────── */

.splash {
  position: absolute;
  bottom: 2vh;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 5;
}

.splash__eyebrow {
  font-size: 1.1rem;
  letter-spacing: .15em;
  text-shadow:
    -1px -1px 0 var(--relief),
     0 0 8px var(--green-1),
     0 0 18px var(--green-2),
     0 0 28px var(--green-3);
}

.lede {
  font-size: 1.45rem;
  max-width: 520px;
  margin: 0.55rem auto;
  opacity: .92;
  text-shadow: 0 0 9px var(--green-1);
}

.divider {
  margin-top: .7rem;
  font-family: var(--font-display);
  opacity: .7;
  text-shadow: 0 0 9px var(--green-2);
}

.splash__foot {
  margin-top: 0.9rem;
  font-size: 1rem;
  opacity: .9;
  letter-spacing: .12em;
}

.splash__foot a {
  color: var(--text);
  margin: 0 .6rem;
  text-decoration: none;
  text-shadow: 0 0 8px var(--green-1);
}

.splash__foot a:hover,
.splash__foot a:focus-visible {
  filter: brightness(1.25) contrast(1.1);
}

/* ── Cursor glow override ────────────────────────────────────────────────── */

.cursor-glow {
  background: radial-gradient(
    circle,
    rgba(42, 255, 138, 0.10) 0%,
    rgba(42, 255, 138, 0) 70%
  );
}

/* ── Mobile fallback nav (768px) ─────────────────────────────────────────── */

.mobile-index-nav {
  display: none;
}

@media (max-width: 768px) {
  body {
    font-size: 0.92rem;
    line-height: 1.55;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .portal-frame {
    position: relative;
    top: auto;
    left: 50%;
    transform: translateX(-50%);
    width: min(60vw, 32vh);
    height: min(60vw, 32vh);
    margin-top: 3vh;
    box-shadow:
      0 0 12px var(--green-1),
      0 0 22px var(--green-2);
    animation: portal-drift 30s ease-in-out infinite;
  }

  .big-nav,
  .splash,
  .portal-noise {
    display: none;
  }

  .mobile-index-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin: 5vh auto 12vh;
    width: 100%;
  }

  .mobile-index-nav a {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text);
    text-shadow:
      0 0 6px var(--green-2),
      0 0 12px var(--green-3);
    opacity: .82;
    text-align: center;
  }

  .mobile-index-nav a:hover,
  .mobile-index-nav a:focus-visible {
    opacity: 1;
    filter: brightness(1.25) contrast(1.1);
  }

  .mobile-index-nav a::after {
    content: "\0192-3";
    display: block;
    margin-top: 0.35rem;
    font-size: 0.75rem;
    letter-spacing: .28em;
    opacity: .6;
  }
}