/* ───────── Tokens ───────── */

:root {
  --bg: #050507;
  --bg-deep: #030305;
  --fg: #ffffff;
  --fg-dim: rgba(255, 255, 255, 0.62);
  --fg-mute: rgba(255, 255, 255, 0.34);
  --rule: rgba(255, 255, 255, 0.1);

  --en-glow: rgba(120, 90, 255, 0.22);
  --pt-glow: rgba(255, 85, 160, 0.22);

  --font-sans: "Inter Tight", "Inter", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --font-display: "Bricolage Grotesque", "Inter Tight", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease-welcome: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ───────── Base ───────── */

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

::selection {
  background: rgba(255, 85, 160, 0.5);
  color: var(--fg);
}

/* ───────── Splash: spotlight stage ───────── */

.stage {
  --mx: 50%;
  --my: 50%;
  --spot-r: clamp(280px, 36vw, 540px);

  position: fixed;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  isolation: isolate;
  background: var(--bg-deep);
  cursor: none;
  color: var(--fg);
}

/* base grain — always-on subtle texture */
.stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* the spotlight = vignette with a hole + a faint colored glow */
.stage__spot {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background:
    /* warm/cool tint that follows the cursor */
    radial-gradient(
      calc(var(--spot-r) * 1.4) circle at var(--mx) var(--my),
      var(--spot-tint, rgba(255, 255, 255, 0.04)) 0%,
      transparent 55%
    ),
    /* the actual darkening vignette with a feathered hole */
    radial-gradient(
      var(--spot-r) circle at var(--mx) var(--my),
      transparent 12%,
      rgba(3, 3, 5, 0.55) 36%,
      rgba(3, 3, 5, 0.96) 72%,
      rgb(3, 3, 5) 100%
    );
  transition: opacity 700ms var(--ease-welcome);
  opacity: 1;
  animation: spotIn 900ms var(--ease-welcome) both;
}

@keyframes spotIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* custom cursor — small luminous dot at the spotlight centre */
.stage__cursor {
  position: absolute;
  z-index: 30;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  top: var(--my);
  left: var(--mx);
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 0 12px 4px rgba(255, 255, 255, 0.5),
    0 0 30px 10px rgba(255, 255, 255, 0.15);
  mix-blend-mode: screen;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1);   opacity: 0.95; }
  50%      { transform: translate(-50%, -50%) scale(1.4); opacity: 0.65; }
}

/* side colours: pull the spotlight tint based on which half the cursor is in */
.stage[data-side="en"] { --spot-tint: var(--en-glow); }
.stage[data-side="pt"] { --spot-tint: var(--pt-glow); }

/* top + bottom chrome — always above the spotlight */
.stage__topbar,
.stage__bottombar {
  position: relative;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 2.4vw, 1.5rem) clamp(1.25rem, 3.5vw, 2.25rem);
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
  pointer-events: none;
}

.stage__topbar > *,
.stage__bottombar > * { pointer-events: auto; }

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--fg);
}

.brand__img {
  display: block;
  height: 30px;
  width: auto;
  max-width: 50vw;
}

.bottombar__url { color: var(--fg); font-feature-settings: "tnum"; }

/* the two invisible-until-illuminated sides */
.sides {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.side {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(2rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
  text-align: center;
  color: var(--fg);
  transition: transform 700ms var(--ease-welcome);
}

.side[href]:hover,
.side:focus-visible {
  outline: none;
}

.side__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: clamp(1rem, 2.5vw, 2rem);
}

.side__greet {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(4.5rem, 14vw, 12rem);
  line-height: 0.86;
  letter-spacing: -0.05em;
  margin: 0;
  color: var(--fg);
  font-variation-settings: "wdth" 100;
}

.side__lang {
  display: block;
  margin-top: clamp(0.8rem, 1.6vw, 1.25rem);
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.side__enter {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-mute);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 350ms var(--ease-smooth), transform 350ms var(--ease-smooth);
}

.side__enter::after {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  display: inline-block;
  position: relative;
}

/* when cursor is on this side, lift its 'Enter' cue */
.stage[data-side="en"] .side--en .side__enter,
.stage[data-side="pt"] .side--pt .side__enter,
.side:focus-visible .side__enter,
.side:hover .side__enter {
  opacity: 1;
  transform: translateY(0);
  color: var(--fg);
}

/* press state — click feedback before navigation */
.side:active { transform: scale(0.997); }

/* center hairline divider */
.sides::after {
  content: "";
  position: absolute;
  top: 14%;
  bottom: 14%;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  pointer-events: none;
  z-index: 11;
}

/* opening sequence — content rises after spotlight appears */
.side__index   { animation: rise 800ms 400ms var(--ease-welcome) backwards; }
.side__greet   { animation: rise 900ms 500ms var(--ease-welcome) backwards; }
.side__lang    { animation: rise 900ms 700ms var(--ease-welcome) backwards; }
.stage__topbar    { animation: fade 700ms 300ms var(--ease-welcome) backwards; }
.stage__bottombar { animation: fade 700ms 600ms var(--ease-welcome) backwards; }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* first-time hint — only until the user moves the cursor */
.stage__hint {
  position: absolute;
  z-index: 25;
  left: 50%;
  top: 50%;
  transform: translate(-50%, calc(-50% + var(--spot-r) * 0.55));
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--fg-dim);
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 500ms ease;
  animation: rise 800ms 1100ms var(--ease-welcome) backwards;
}

.stage.is-moved .stage__hint {
  opacity: 0;
}

/* ───────── Touch / no-pointer: skip spotlight, show both sides ───────── */

@media (hover: none), (pointer: coarse) {
  body { overflow: auto; }

  .stage {
    position: relative;
    cursor: auto;
    min-height: 100svh;
  }

  .stage__spot,
  .stage__cursor,
  .stage__hint { display: none; }

  .sides {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    min-height: calc(100svh - 7rem);
  }

  .side {
    min-height: 50svh;
    padding: clamp(2.5rem, 8vw, 4rem) 1.5rem;
  }

  .side__enter { opacity: 1; transform: none; color: var(--fg-dim); }

  .sides::after {
    top: auto;
    left: 14%;
    right: 14%;
    bottom: 50%;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  }

  .side--en {
    background:
      radial-gradient(70% 80% at 50% 50%, rgba(120, 90, 255, 0.18), transparent 65%);
  }
  .side--pt {
    background:
      radial-gradient(70% 80% at 50% 50%, rgba(255, 85, 160, 0.18), transparent 65%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage__cursor { animation: none; }
  .stage__spot,
  .side__index,
  .side__greet,
  .side__lang,
  .stage__topbar,
  .stage__bottombar,
  .stage__hint {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ───────── Embed pages (/en, /pt) — Canva-first, minimal chrome ───────── */

body.embed {
  overflow: hidden;
  background: #000;
}

.embed-shell {
  position: fixed;
  inset: 0;
  background: #000;
}

.embed-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.embed-pill {
  position: fixed;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  color: var(--fg-dim);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.5;
  transition:
    opacity 220ms var(--ease-smooth),
    color 220ms var(--ease-smooth),
    border-color 220ms var(--ease-smooth),
    transform 220ms var(--ease-smooth),
    background 220ms var(--ease-smooth);
}

.embed-pill:hover,
.embed-pill:focus-visible,
.embed-pill:focus-within {
  opacity: 1;
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.7);
  transform: translateY(-1px);
}

.embed-pill:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

.embed-pill svg {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform 220ms var(--ease-smooth);
}

.embed-pill--home { top: 0.9rem; left: 0.9rem; }
.embed-pill--home:hover svg,
.embed-pill--home:focus-visible svg { transform: translateX(-3px); }

.embed-pill--lang { top: 0.9rem; right: 0.9rem; padding: 0.2rem; gap: 0; text-transform: none; }

.embed-pill--lang a {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  color: var(--fg-mute);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease;
}

.embed-pill--lang a:hover,
.embed-pill--lang a:focus-visible { color: var(--fg); }

.embed-pill--lang a[aria-current="page"] {
  background: var(--fg);
  color: #0a0a0e;
}

.embed-pill--mail {
  bottom: 0.9rem;
  right: 0.9rem;
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: 0.78rem;
  font-weight: 500;
}

.embed-pill--mail:hover svg,
.embed-pill--mail:focus-visible svg { transform: translateX(2px) translateY(-2px); }

@media (max-width: 560px) {
  .embed-pill { font-size: 0.66rem; padding: 0.45rem 0.75rem; }
  .embed-pill--mail { font-size: 0.72rem; }
  .embed-pill--home span:not(.sr-only) { display: none; }
  .embed-pill--mail span.mail-label { display: none; }
}

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