@font-face {
  font-family: "Star Jedi";
  src: url("../fonts/starjedi/Starjedi.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Soloist";
  src: url("../fonts/soloist1.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --navy-950: #010409;
  --navy-900: #050b14;
  --navy-800: #0b1a2e;
  --cyan: #38bdf8;
  --cyan-dim: rgba(125, 211, 252, 0.55);
  --text: #f0f9ff;
  --text-muted: rgba(226, 232, 240, 0.78);
  --glow: 0 0 36px rgba(56, 189, 248, 0.28), 0 0 72px rgba(14, 165, 233, 0.12);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--text);
  background: var(--navy-950);
  overflow-x: hidden;
}

.page {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  padding: clamp(1.25rem, 4vw, 3rem);
}

.page__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 18% 48%, rgba(14, 40, 72, 0.55) 0%, transparent 62%),
    radial-gradient(ellipse 40% 30% at 72% 20%, rgba(8, 24, 48, 0.4) 0%, transparent 70%),
    linear-gradient(180deg, #000000 0%, var(--navy-950) 42%, #000000 100%);
}

.page__stars {
  position: absolute;
  inset: 0;
  opacity: 0.7;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(186, 230, 253, 0.55), transparent),
    radial-gradient(1px 1px at 28% 8%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1.2px 1.2px at 63% 14%, rgba(186, 230, 253, 0.4), transparent),
    radial-gradient(1px 1px at 81% 28%, rgba(255, 255, 255, 0.28), transparent),
    radial-gradient(1px 1px at 8% 72%, rgba(125, 211, 252, 0.35), transparent),
    radial-gradient(1.1px 1.1px at 41% 86%, rgba(186, 230, 253, 0.3), transparent),
    radial-gradient(1px 1px at 74% 78%, rgba(255, 255, 255, 0.22), transparent),
    radial-gradient(1px 1px at 91% 62%, rgba(125, 211, 252, 0.28), transparent);
}

.page__haze {
  position: absolute;
  left: -12%;
  top: 18%;
  width: min(78vw, 780px);
  height: min(74vw, 600px);
  background: radial-gradient(
    ellipse at 28% 52%,
    rgba(56, 189, 248, 0.12) 0%,
    rgba(14, 165, 233, 0.05) 36%,
    transparent 72%
  );
  filter: blur(10px);
}

.page__ripples {
  position: absolute;
  left: clamp(1%, 4vw, 8%);
  top: 47%;
  width: clamp(160px, 42vw, 420px);
  height: clamp(160px, 42vw, 420px);
  transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 16%, rgba(125, 211, 252, 0.06) 17%, transparent 20%),
    radial-gradient(circle, transparent 30%, rgba(56, 189, 248, 0.045) 31.5%, transparent 35%),
    radial-gradient(circle, transparent 46%, rgba(186, 230, 253, 0.035) 47.5%, transparent 52%);
}

.page__singularity {
  position: absolute;
  left: clamp(3%, 6vw, 11%);
  top: 45%;
  width: clamp(52px, 11vw, 112px);
  height: clamp(52px, 11vw, 112px);
  transform: translateY(-50%);
}

.page__bloom {
  position: absolute;
  inset: -90%;
  background: radial-gradient(
    circle at 62% 48%,
    rgba(224, 242, 254, 0.42) 0%,
    rgba(125, 211, 252, 0.18) 18%,
    rgba(56, 189, 248, 0.07) 40%,
    transparent 68%
  );
}

.page__photon-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(186, 230, 253, 0.18),
    7px 1px 10px 1px rgba(224, 242, 254, 0.9),
    12px 2px 24px 3px rgba(56, 189, 248, 0.45),
    18px 4px 48px 8px rgba(14, 165, 233, 0.2);
}

.page__event-horizon {
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 40%, #0b1220 0%, #000 68%);
  box-shadow: inset -6px 0 12px rgba(125, 211, 252, 0.12);
}

.page__crescent {
  position: absolute;
  inset: -6%;
  overflow: visible;
}

.page__filaments {
  position: absolute;
  left: 0;
  top: 0;
  width: min(70vw, 820px);
  height: 100%;
  opacity: 0.8;
}

.page__circuit {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  opacity: 0.55;
}

.site-header,
.hero,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  justify-content: flex-end;
}

.locale-toggle {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 999px;
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(8px);
}

.locale-toggle__btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem 0.75rem;
  border: none;
  border-radius: 999px;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.locale-toggle__btn.is-active,
.locale-toggle__btn[aria-pressed="true"] {
  color: var(--navy-950);
  background: var(--cyan);
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(2rem, 8vw, 5rem) 0;
}

.hero__title {
  margin: 0;
  max-width: 100%;
  font-family: "Star Jedi", "Inter", system-ui, sans-serif;
  font-size: clamp(2.15rem, 9.2vw, 4rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.2;
  overflow-wrap: anywhere;
  color: var(--text);
  text-shadow: var(--glow);
}

.hero__divider {
  --pulse-duration: 8s;
  --pulse-core-size: 56px;
  --pulse-border: 7px;
  --pulse-spacing: 3rem;
  --pulse-glow: 0.6;
  --pulse-bloom-size: 96px;
  --line-width: 18rem;
  --line-height: 2px;
  --line-glow: 12px;
  --line-opacity: 1;
  --flare-width: 70%;
  --flare-height: 13px;
  --flare-duration: 4.6s;
  --flare-scale: 1.25;
  position: relative;
  width: min(var(--line-width), 70vw);
  height: var(--line-height);
  margin: var(--pulse-spacing) 0;
  overflow: visible;
  background: none;
  box-shadow: none;
}

.hero__divider-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 0;
  width: 100%;
  height: var(--line-height);
  pointer-events: none;
  opacity: var(--line-opacity);
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(56, 189, 248, 0.2) 20%,
    var(--cyan) 50%,
    rgba(56, 189, 248, 0.2) 80%,
    transparent 100%
  );
  box-shadow: 0 0 var(--line-glow) rgba(56, 189, 248, 0.35);
  transform: translate(-50%, -50%);
}

.hero__divider-flare {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: var(--flare-width);
  height: var(--flare-height);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(186, 230, 253, 0.85) 28%,
    rgba(56, 189, 248, 0.45) 55%,
    transparent 72%
  );
  transform: translate(-50%, -50%);
  animation: divider-line-flare var(--flare-duration) ease-in-out infinite;
}

.hero__divider[data-flare="off"] .hero__divider-flare {
  display: none;
}

/* Event horizon: black core with a hot photon rim */
.hero__divider-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: var(--pulse-core-size);
  height: var(--pulse-core-size);
  border-radius: 50%;
  background: radial-gradient(circle at 38% 38%, #0b1220 0%, #000 70%);
  box-shadow:
    0 0 0 calc(var(--pulse-border) / 2) rgba(255, 255, 255, 0.95),
    0 0 0 var(--pulse-border) rgba(186, 230, 253, 0.6),
    0 0 14px 2px rgba(224, 242, 254, 0.9),
    0 0 34px 6px rgba(56, 189, 248, 0.55);
  transform: translate(-50%, -50%);
}

/* Soft bloom breathing behind everything, 4s pulse */
.hero__divider-bloom {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: calc(var(--pulse-bloom-size) * var(--pulse-glow));
  height: calc(var(--pulse-bloom-size) * var(--pulse-glow));
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    rgba(224, 242, 254, 0.8) 0%,
    rgba(125, 211, 252, 0.45) 30%,
    rgba(56, 189, 248, 0.22) 55%,
    transparent 74%
  );
  box-shadow:
    0 0 24px rgba(186, 230, 253, 0.8),
    0 0 60px rgba(56, 189, 248, 0.55),
    0 0 110px rgba(14, 165, 233, 0.3);
  transform: translate(-50%, -50%);
  animation: divider-neon var(--pulse-duration) ease-in-out infinite;
}

/* Photon streak orbiting the core, like light bending around a black hole */
.hero__divider-orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  pointer-events: none;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(56, 189, 248, 0.25) 220deg,
    rgba(186, 230, 253, 0.85) 300deg,
    #ffffff 330deg,
    rgba(186, 230, 253, 0.85) 345deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 62%, #000 100%);
  mask: radial-gradient(circle, transparent 58%, #000 62%, #000 100%);
  filter: drop-shadow(0 0 6px rgba(186, 230, 253, 0.9)) drop-shadow(0 0 16px rgba(56, 189, 248, 0.6));
  transform: translate(-50%, -50%);
  animation: divider-orbit var(--pulse-duration) linear infinite;
}

.hero__divider-orbit--counter {
  width: 60px;
  height: 60px;
  opacity: 0.55;
  background: conic-gradient(
    from 180deg,
    transparent 0deg,
    rgba(56, 189, 248, 0.18) 240deg,
    rgba(186, 230, 253, 0.7) 320deg,
    rgba(240, 249, 255, 0.95) 340deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(circle, transparent 68%, #000 72%, #000 100%);
  mask: radial-gradient(circle, transparent 68%, #000 72%, #000 100%);
  animation: divider-orbit-counter 7s linear infinite;
}

.hero__divider-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--pulse-core-size);
  height: var(--pulse-core-size);
  border-radius: 50%;
  border: 1.5px solid rgba(186, 230, 253, 0.85);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.55);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: divider-pulse var(--pulse-duration) ease-out infinite;
}

.hero__divider-ring:not(.hero__divider-ring--late) {
  left: calc(50% + 3px);
  top: calc(50% - 2px);
  border-color: rgba(125, 211, 252, 0.8);
  animation: divider-pulse-b 3.5s ease-in-out infinite;
  animation-delay: 0.9s;
}

.hero__divider-ring--late {
  left: calc(50% - 2px);
  top: calc(50% + 3px);
  border-color: rgba(224, 242, 254, 0.75);
  animation: divider-pulse-c 5.1s cubic-bezier(0.15, 0.7, 0.35, 1) infinite;
  animation-delay: 2.2s;
}

/* Third shockwave straight from the core, synced with the 4s bloom */
.hero__divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--pulse-core-size);
  height: var(--pulse-core-size);
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.65);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: divider-pulse var(--pulse-duration) ease-out infinite;
}

.hero__divider[data-rings="1"]::after,
.hero__divider[data-rings="1"] .hero__divider-ring--late,
.hero__divider[data-rings="2"] .hero__divider-ring--late {
  display: none;
}

.hero__divider[data-bloom="off"] .hero__divider-bloom {
  display: none;
}

.hero__divider[data-orbits="off"] .hero__divider-orbit {
  display: none;
}

@keyframes divider-orbit {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes divider-orbit-counter {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes divider-line-flare {
  0%,
  100% {
    opacity: 0.22;
    transform: translate(-50%, -50%) scale(0.7);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(var(--flare-scale));
  }
}

@keyframes divider-neon {
  0%,
  100% {
    opacity: 0.35;
    transform: translate(-50%, -50%) scale(0.85);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes divider-pulse {
  0% {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(1);
  }

  70% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.2);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.2);
  }
}

@keyframes divider-pulse-b {
  0% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(0.8) rotate(-10deg);
  }

  58% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.8) rotate(14deg);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.8) rotate(14deg);
  }
}

@keyframes divider-pulse-c {
  0% {
    opacity: 0.85;
    transform: translate(-50%, -50%) scale(0.95);
  }

  74% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(3.1);
  }
}

.hero__tagline {
  margin: 0;
  max-width: min(38rem, 92vw);
  font-family: "Soloist", "Inter", system-ui, sans-serif;
  font-size: clamp(0.95rem, 3.1vw, 1.35rem);
  font-weight: 400;
  font-style: normal;
  line-height: 1.45;
  overflow-wrap: anywhere;
  color: var(--text-muted);
}

.site-footer {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  text-align: center;
}

.site-footer__copy {
  margin: 0 auto;
  max-width: min(36rem, 92vw);
  font-size: clamp(0.75rem, 2.2vw, 0.85rem);
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: rgba(226, 232, 240, 0.45);
}

@media (min-width: 640px) {
  .page__circuit {
    opacity: 0.8;
  }

  .page__filaments {
    opacity: 0.9;
  }
}

@media (min-width: 800px) {
  .hero__tagline {
    max-width: 42rem;
  }
}

/* TEMP pulse-lab — delete this block later */
.pulse-lab-toggle {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: clamp(1rem, 3vw, 1.5rem);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 50%;
  background: rgba(5, 11, 20, 0.92);
  color: var(--cyan);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.28);
  cursor: pointer;
}

.pulse-lab-toggle:hover,
.pulse-lab-toggle:focus-visible {
  background: rgba(56, 189, 248, 0.18);
  outline: none;
}

.pulse-lab-toggle svg {
  width: 20px;
  height: 20px;
}

.pulse-lab-overlay {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  max-height: min(78vh, 52rem);
  overflow: auto;
  padding: clamp(0.85rem, 2.5vw, 1.25rem);
  background: rgba(1, 4, 9, 0.94);
  border-top: 1px solid rgba(56, 189, 248, 0.28);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.45);
}

.pulse-lab-overlay.is-open {
  display: block;
}

.pulse-lab-overlay__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: min(72rem, 100%);
  margin: 0 auto 0.85rem;
}

.pulse-lab-overlay__hint {
  margin: 0;
  max-width: 42rem;
  font-size: clamp(0.75rem, 2.2vw, 0.85rem);
  color: var(--text-muted);
}

.pulse-lab-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(72rem, 100%);
  min-height: clamp(9rem, 28vw, 14rem);
  margin: 0 auto 1rem;
  overflow: visible;
}

.pulse-lab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  width: min(72rem, 100%);
  margin: 0 auto;
}

.pulse-lab {
  position: relative;
  z-index: 5;
  width: 100%;
  min-width: 0;
  padding: clamp(0.85rem, 2.5vw, 1.25rem);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 12px;
  background: rgba(5, 11, 20, 0.88);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.12);
}

.pulse-lab__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pulse-lab__note {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(186, 230, 253, 0.7);
}

.pulse-lab__reset {
  min-height: 44px;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.pulse-lab__reset:hover,
.pulse-lab__reset:focus-visible {
  background: rgba(56, 189, 248, 0.16);
  outline: none;
}

.pulse-lab__table {
  width: 100%;
  border-collapse: collapse;
}

.pulse-lab__table th,
.pulse-lab__table td {
  padding: 0.55rem 0.4rem;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
  font-size: clamp(0.8rem, 2.4vw, 0.9rem);
}

.pulse-lab__table th {
  width: 34%;
  color: var(--text-muted);
  font-weight: 500;
}

.pulse-lab__control {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.pulse-lab__control input[type="range"] {
  flex: 1 1 8rem;
  min-width: 0;
  min-height: 44px;
}

.pulse-lab__value {
  min-width: 3.25rem;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.pulse-lab__choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pulse-lab__choices label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.75rem;
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 999px;
  cursor: pointer;
}

.pulse-lab__choices input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pulse-lab__choices label:has(input:checked) {
  color: var(--navy-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 800px) {
  .pulse-lab-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 639px) {
  .pulse-lab__table,
  .pulse-lab__table tbody,
  .pulse-lab__table tr,
  .pulse-lab__table th,
  .pulse-lab__table td {
    display: block;
    width: 100%;
  }

  .pulse-lab__table th {
    padding-bottom: 0.15rem;
    border-bottom: 0;
  }

  .pulse-lab__table td {
    padding-top: 0.2rem;
  }
}