/* =========================================================================
   OLUX · Estilos de la parte pública (landing + páginas legales).
   Extraído del <style> inline de pages/public_home.html para poder
   reutilizarlo desde pages/public_base.html en varias páginas.
   ========================================================================= */

/* =========================================================
   TOKENS
   ========================================================= */
:root {
  /* Dark, contrasty mesh palette — purples to blues */
  --c-bg:        #050616;     /* near-black with violet bias */
  --c-bg-deep:   #03040D;     /* page edges / footer */
  --c-violet:    #2A1456;     /* deep violet */
  --c-indigo:    #161F58;     /* indigo */
  --c-blue:      #0E2B6E;     /* deep blue */
  --c-magenta:   #4A1A5C;     /* desaturated magenta highlight */
  --c-glow:      #6B7BE8;     /* UV blue accent */
  --c-glow-soft: #A8B5FF;     /* lighter blue accent */
  --c-uv:        #7C5BFF;     /* signature violet */

  --ink:        #F4F3FF;      /* primary text */
  --ink-soft:   rgba(244,243,255,0.74);
  --ink-mute:   rgba(244,243,255,0.50);
  --ink-faint:  rgba(244,243,255,0.32);

  --line:       rgba(255,255,255,0.08);
  --line-2:     rgba(255,255,255,0.16);

  /* Glass surfaces */
  --glass:        rgba(255,255,255,0.045);
  --glass-strong: rgba(255,255,255,0.075);
  --glass-edge:   rgba(255,255,255,0.10);
  --glass-edge-2: rgba(255,255,255,0.18);

  --display: "General Sans", -apple-system, "Helvetica Neue", sans-serif;
  --serif:   "Instrument Serif", "Times New Roman", serif;

  --maxw: 1280px;
  --pad:  clamp(20px, 4vw, 56px);
}

/* =========================================================
   RESET
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--c-bg);
  overflow-x: hidden;
  position: relative;
  letter-spacing: -0.005em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
::selection { background: rgba(124,91,255,0.35); color: #fff; }

/* =========================================================
   STATIC MESH GRADIENT BACKGROUND
   No noise / pattern. Layered radial gradients form a smooth
   purple→blue field. A single very-soft pointer-tracked glow
   adds quiet life without disturbing legibility.
   ========================================================= */
.bg {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(80vw 60vh at 12% 8%,  rgba(124, 80, 200, 0.55), transparent 62%),
    radial-gradient(70vw 70vh at 92% 18%, rgba(60, 40, 160, 0.42),   transparent 60%),
    radial-gradient(80vw 80vh at 78% 92%, rgba(20, 60, 170, 0.48),   transparent 64%),
    radial-gradient(70vw 70vh at 8% 95%,  rgba(50, 20, 110, 0.55),   transparent 60%),
    radial-gradient(120vw 80vh at 50% 50%, rgba(20, 14, 60, 0.55),   transparent 70%),
    linear-gradient(180deg, #06061B 0%, #04051A 50%, #03040F 100%);
}
.bg::after {
  /* extra desaturation veil at the edges so headlines read crisp */
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120vw 90vh at 50% 50%, transparent 30%, rgba(0,0,0,0.55) 100%);
}
.bg-glow {
  /* Cursor-tracked soft halo. Very subtle — never compromises text contrast. */
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(420px 420px at var(--mx, 50%) var(--my, 30%),
              rgba(124,91,255,0.18), transparent 70%);
  transition: background-position 0.4s ease;
  mix-blend-mode: screen;
}

/* =========================================================
   PAGE WRAP
   ========================================================= */
.page { position: relative; z-index: 1; }
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* =========================================================
   NAVIGATION (glass pill, sticky)
   ========================================================= */
.nav-rail {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 18px var(--pad) 0;
  pointer-events: none;
}
.nav {
  pointer-events: auto;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 10px 22px;
  border-radius: 999px;
  background: rgba(10, 10, 28, 0.55);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-edge);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 12px 40px rgba(0,0,0,0.35);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  font-size: 14px;
}
.brand .logo-img { display: block; transition: opacity .35s ease, transform .35s ease; }
.brand {
  position: relative;
  height: 22px;
  min-width: 32px;
}
.brand .logo-full {
  height: clamp(18px, 1.45vw, 22px);
  opacity: 1;
}
.brand .logo-mark {
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%) scale(.9);
  height: 22px;
  opacity: 0;
  pointer-events: none;
}
@media (max-width: 760px){
  .brand .logo-full {
    opacity: 0;
    transform: translateX(-4px);
  }
  .brand .logo-mark {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}
.brand .mark {
  width: 26px; height: 26px;
  display: none; place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #C9C0FF, #7C5BFF 55%, #2A1456 100%);
  box-shadow: 0 0 18px rgba(124,91,255,0.55), inset 0 0 8px rgba(255,255,255,0.35);
}
.brand .mark::after {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #06061B;
  box-shadow: 0 0 0 1.5px rgba(255,255,255,0.85);
}
.brand .word { color: var(--ink); }
.brand .word strong { font-weight: 600; letter-spacing: 0.18em; }
.brand .word span { font-weight: 400; letter-spacing: 0.18em; opacity: 0.75; margin-left: 4px;}

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,0.05); }

.nav-cta {
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 9px 16px 9px 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,0.13), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-edge-2);
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink);
  transition: transform .25s, background .25s;
}
.nav-cta:hover { background: rgba(255,255,255,0.10); transform: translateY(-1px); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* =========================================================
   GLOBAL TYPE
   ========================================================= */
h1, h2, h3, h4, h5 { font-family: var(--display); font-weight: 500; margin: 0; letter-spacing: -0.025em; line-height: 1.05; }
.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--ink-mute);
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0.005em;
  transition: transform .25s, background .25s, border-color .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn-primary {
  color: #FFFFFF;
  background: linear-gradient(180deg, #8E7BFF 0%, #5B47E0 100%);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow:
    0 0 0 1px rgba(124,91,255,0.35),
    0 18px 40px -12px rgba(124,91,255,0.55),
    inset 0 1px 0 rgba(255,255,255,0.30);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(124,91,255,0.5), 0 22px 50px -10px rgba(124,91,255,0.75), inset 0 1px 0 rgba(255,255,255,0.35); }
.btn-ghost {
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: var(--glass-edge-2); }

.section { padding: clamp(96px, 14vh, 160px) 0; }
.section-tight { padding: clamp(72px, 10vh, 120px) 0; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding-top: clamp(48px, 8vh, 96px);
  padding-bottom: clamp(96px, 14vh, 160px);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.35fr;
  gap: clamp(32px, 4vw, 72px);
  align-items: center;
  min-height: clamp(620px, 84vh, 920px);
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
}

.hero h1 {
  font-size: clamp(46px, 7vw, 96px);
  font-weight: 400;
  line-height: 0.97;
  letter-spacing: -0.035em;
  margin: 22px 0 0;
}
.hero h1 .serif-italic { font-size: 1.04em; letter-spacing: -0.02em; }
.hero-lede {
  margin: 28px 0 0;
  font-size: clamp(15px, 1.18vw, 18px);
  color: var(--ink-soft);
  max-width: 520px;
  line-height: 1.55;
  font-weight: 400;
}
.hero-actions {
  margin-top: 36px;
  display: flex; flex-wrap: wrap; gap: 12px;
}

.hero-meta {
  margin-top: 56px;
  display: flex; gap: 28px; align-items: center;
  font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint);
  flex-wrap: wrap;
}
.hero-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: #5BFF98; box-shadow: 0 0 12px #5BFF98; display: inline-block; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }

/* ---- Hero device — transparent render floating on gradient ---- */
.hero-stage {
  position: relative;
  aspect-ratio: 6 / 5;
  isolation: isolate;
  display: flex; align-items: center; justify-content: center;
  margin: 0 -4% 0 -2%;
}
@media (max-width: 980px) {
  .hero-stage { margin: 0; aspect-ratio: 5 / 4; }
}
/* big radial glow behind the device, fused with the page gradient */
.hero-stage .halo {
  position: absolute;
  inset: -14% -10%;
  z-index: 0;
  background:
    radial-gradient(50% 42% at 52% 56%, rgba(124,91,255,0.48), rgba(124,91,255,0) 70%),
    radial-gradient(72% 58% at 50% 60%, rgba(91,127,255,0.24), rgba(91,127,255,0) 75%);
  filter: blur(2px);
  pointer-events: none;
  transition: opacity .8s ease, filter .8s ease;
}
/* secondary UV-A halo (revealed on toggle) */
.hero-stage .halo-uv {
  position: absolute;
  inset: 4% 6%;
  z-index: 0;
  background:
    radial-gradient(36% 30% at 50% 56%, rgba(124,91,255,0.85), rgba(124,91,255,0) 70%),
    radial-gradient(56% 42% at 50% 56%, rgba(180,94,232,0.32), rgba(180,94,232,0) 80%);
  opacity: 0;
  transition: opacity .9s ease;
  pointer-events: none;
  mix-blend-mode: screen;
}
.hero-stage.is-revealing .halo-uv { opacity: 1; }
.hero-stage img {
  position: relative;
  z-index: 1;
  width: 112%;
  height: 112%;
  object-fit: contain;
  transition: opacity 0.9s cubic-bezier(.22,.61,.36,1), transform 1.6s ease, filter .9s ease;
  filter: drop-shadow(0 36px 70px rgba(0,0,0,0.6)) drop-shadow(0 10px 30px rgba(0,0,0,0.45));
  animation: deviceFloat 7s ease-in-out infinite;
}
.hero-stage .img-uv {
  position: absolute; inset: 0;
  opacity: 0;
  transform: scale(1.02);
}
.hero-stage.is-revealing .img-solid { opacity: 0; }
.hero-stage.is-revealing .img-uv     { opacity: 1; transform: scale(1); }
@keyframes deviceFloat {
  0%, 100% { transform: translateY(-2px); }
  50%      { transform: translateY(6px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-stage img { animation: none; }
}

.stage-toggle {
  position: absolute;
  bottom: 8px; right: 0;
  z-index: 4;
  padding: 9px 16px 9px 12px;
  border-radius: 999px;
  background: rgba(8,10,28,0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-edge);
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; letter-spacing: 0.06em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .3s, color .3s, border-color .3s;
}
.stage-toggle:hover { color: var(--ink); border-color: var(--glass-edge-2); }
.stage-toggle .led {
  width: 9px; height: 9px; border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 0 8px rgba(255,255,255,0.6);
  transition: background .3s, box-shadow .3s;
}
.stage-toggle.uv-on .led {
  background: #7C5BFF;
  box-shadow: 0 0 14px #7C5BFF, 0 0 0 3px rgba(124,91,255,0.22);
}

/* =========================================================
   QUOTE / STATEMENT BAND
   ========================================================= */
.statement {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(72px, 10vh, 120px) 0;
}
.statement p {
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--ink);
  max-width: 1080px;
  margin: 0;
}
.statement p .mute { color: var(--ink-faint); }
.statement p .serif-italic { font-size: 1.03em; }

/* =========================================================
   SECTION HEADERS
   ========================================================= */
.s-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(56px, 8vh, 96px);
}
@media (max-width: 760px) {
  .s-head { grid-template-columns: 1fr; gap: 24px; }
}
.s-head .num {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 10px;
  border-top: 1px solid var(--line-2);
}
.s-head h2 {
  font-size: clamp(34px, 4.6vw, 64px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.0;
  max-width: 22ch;
}
.s-head .lede {
  margin: 22px 0 0;
  color: var(--ink-soft);
  max-width: 56ch;
  font-size: 16.5px;
}

/* =========================================================
   PRODUCT SHOWCASE (Apple-style, large hero card + 4 angles)
   ========================================================= */
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
}
@media (max-width: 880px) { .product { grid-template-columns: 1fr; } }

.card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--glass-edge);
  background:
    radial-gradient(120% 80% at 50% 30%, rgba(124,91,255,0.18) 0%, rgba(124,91,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%),
    linear-gradient(180deg, rgba(20,12,52,0.55), rgba(8,8,28,0.7));
  backdrop-filter: blur(8px) saturate(120%);
  isolation: isolate;
  transition: transform .5s cubic-bezier(.22,.61,.36,1), border-color .35s, box-shadow .5s;
  min-height: 280px;
}
.card:hover { transform: translateY(-4px); border-color: var(--glass-edge-2); box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55); }
.card .media { position: relative; width: 100%; height: 100%; min-height: inherit; display:flex; align-items:center; justify-content:center; }
.card .media img { width: 100%; height: 100%; object-fit: cover; }
.card.contain .media img {
  width: 86%; height: 86%;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.55)) drop-shadow(0 6px 14px rgba(0,0,0,0.4));
  transition: transform .8s cubic-bezier(.22,.61,.36,1);
}
.card.contain:hover .media img { transform: translateY(-4px) scale(1.02); }
.card.contain .scrim { display: none; }
.card .scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,6,22,0) 50%, rgba(5,6,22,0.85) 100%);
  pointer-events: none;
}
.card .copy {
  position: absolute;
  left: 28px; right: 28px; bottom: 24px;
  z-index: 2;
}
.card .copy .kicker {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-glow-soft);
  margin-bottom: 8px;
  display: block;
}
.card .copy h3 {
  font-size: clamp(20px, 1.9vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.card .copy h3 em { font-family: var(--serif); font-style: italic; font-weight: 400; }
.card .copy p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  max-width: 50ch;
  font-size: 14.5px;
}

.card.large {
  grid-column: span 2;
  min-height: 540px;
}
.card.large .copy { left: 40px; right: 40px; bottom: 36px; }
.card.large .copy h3 { font-size: clamp(28px, 3vw, 44px); max-width: 18ch; }

.card.tall { min-height: 420px; }
.card.wide { grid-column: span 2; min-height: 360px; }
@media (max-width: 880px) { .card.wide { grid-column: span 1; } }

@media (max-width: 880px) {
  .card.large { grid-column: span 1; min-height: 360px; }
}

/* =========================================================
   TECHNOLOGY (3 numbered steps, Neuralink-style)
   ========================================================= */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: step;
}
@media (max-width: 880px) { .tech-grid { grid-template-columns: 1fr; } }

.step {
  position: relative;
  padding: 32px 28px 36px;
  border-radius: 24px;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(8px);
  display: flex; flex-direction: column;
  min-height: 380px;
  overflow: hidden;
  isolation: isolate;
}
.step::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 0% 0%, rgba(124,91,255,0.10), transparent 50%);
  pointer-events: none;
  z-index: -1;
}
.step .step-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 64px;
  line-height: 1;
  color: var(--ink);
  opacity: 0.92;
  letter-spacing: -0.03em;
}
.step .step-num small {
  font-family: var(--display);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.22em;
  vertical-align: super;
  margin-left: 6px;
  color: var(--ink-mute);
}
.step h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 24px 0 10px;
  line-height: 1.2;
  max-width: 18ch;
}
.step p {
  color: var(--ink-soft);
  margin: 0 0 24px;
  font-size: 15px;
  flex-grow: 1;
}
.step .visual {
  position: relative;
  height: 56px;
  margin-top: auto;
  display: flex;
  align-items: center;
}

/* Step-specific visual treatments */
.viz-uv {
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, #5B7FFF 35%, #7C5BFF 55%, #C063FF 75%, transparent 100%);
  filter: blur(1px);
  border-radius: 3px;
  position: relative;
}
.viz-uv::after {
  content: "365 nm UV-A";
  position: absolute;
  top: -22px; right: 0;
  font-size: 10px; letter-spacing: 0.18em; color: var(--ink-mute);
}
.viz-eye {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 3px;
  height: 28px;
  align-items: center;
}
.viz-eye span {
  height: 100%;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  display: block;
}
.viz-eye span.hi { background: linear-gradient(180deg, #C063FF, #7C5BFF); box-shadow: 0 0 8px rgba(124,91,255,0.55);}
.viz-eye span.med { background: linear-gradient(180deg, rgba(124,91,255,0.55), rgba(91,127,255,0.4)); }
.viz-graph {
  width: 100%;
  height: 56px;
  position: relative;
}
.viz-graph svg { width: 100%; height: 100%; display: block; }

/* =========================================================
   APPLICATION BLOCK (myopia + child)
   ========================================================= */
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: stretch;
}
@media (max-width: 880px) { .app-grid { grid-template-columns: 1fr; } }
.app-img {
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-edge);
  min-height: 460px;
  isolation: isolate;
}
.app-img img { width: 100%; height: 100%; object-fit: cover; min-height: 460px;}
.app-img.uv-stage { isolation: isolate; }
.app-img.uv-stage img {
  position: absolute; inset: 0;
  transition: opacity 0.9s cubic-bezier(.22,.61,.36,1), transform 1.6s ease;
}
.app-img.uv-stage .img-uv { opacity: 0; transform: scale(1.04); }
.app-img.uv-stage.is-revealing .img-solid { opacity: 0; }
.app-img.uv-stage.is-revealing .img-uv    { opacity: 1; transform: scale(1); }
.app-img.uv-stage::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background: radial-gradient(60% 50% at 60% 45%, rgba(124,91,255,0.0), transparent 70%);
  transition: background .8s ease;
  pointer-events: none;
}
.app-img.uv-stage.is-revealing::before {
  background: radial-gradient(60% 50% at 60% 45%, rgba(124,91,255,0.45), transparent 70%);
  mix-blend-mode: screen;
}
.stage-toggle.inset {
  position: absolute;
  z-index: 4;
  bottom: 22px; right: 22px;
}
.app-img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(5,6,22,0.45) 0%, transparent 50%);
}
.app-img .tag {
  position: absolute;
  z-index: 2;
  top: 22px; left: 22px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase;
  background: rgba(8,10,28,0.55);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(12px);
  color: var(--ink-soft);
}
.app-copy h3 {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.05;
  max-width: 18ch;
}
.app-copy h3 em { font-family: var(--serif); font-style: italic; font-weight: 400; }
.app-copy p {
  color: var(--ink-soft);
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 16px;
}
.stat-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.stat {
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
}
.stat .v {
  font-family: var(--serif);
  font-style: italic;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat .v small {
  font-family: var(--display);
  font-style: normal;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-left: 4px;
}
.stat .l {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  max-width: 22ch;
}

/* =========================================================
   BIOMARCADOR · COMPARATIVA DE OJOS
   Two natural-light eyes side-by-side. Hover (or click)
   reveals the CUVAF / UV-A fluorescence view of the same eye.
   ========================================================= */
.compare-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 80px);
  align-items: end;
  margin-bottom: 32px;
}
@media (max-width: 880px) { .compare-intro { grid-template-columns: 1fr; gap: 16px; } }
.compare-intro .legend {
  font-size: 13.5px;
  color: var(--ink-mute);
  letter-spacing: 0.01em;
  max-width: 48ch;
}
.compare-intro .legend strong { color: var(--ink); font-weight: 500; }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 880px) { .compare { grid-template-columns: 1fr; } }

.eye-card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  border: 1px solid var(--glass-edge);
  background: #050616;
  cursor: pointer;
  isolation: isolate;
  transition: border-color .35s, transform .5s cubic-bezier(.22,.61,.36,1), box-shadow .5s;
}
.eye-card:hover {
  border-color: var(--glass-edge-2);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
}
.eye-card .eye-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 1.0s cubic-bezier(.22,.61,.36,1), transform 2.4s ease;
}
.eye-card .img-uv { opacity: 0; transform: scale(1.06); }
.eye-card.is-revealing .img-natural { opacity: 0; transform: scale(1.04); }
.eye-card.is-revealing .img-uv      { opacity: 1; transform: scale(1); }

/* sweep of UV-A light that crosses the eye on reveal */
.eye-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(118deg,
    transparent 30%,
    rgba(168,181,255,0.18) 46%,
    rgba(124,91,255,0.45) 50%,
    rgba(168,181,255,0.18) 54%,
    transparent 70%);
  opacity: 0;
  transform: translateX(-110%);
  transition: opacity .25s ease, transform 1.5s cubic-bezier(.22,.61,.36,1);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 2;
}
.eye-card.is-revealing::after { opacity: 1; transform: translateX(110%); }

/* gradient scrim so text always reads */
.eye-card .scrim-eye {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,6,22,0.55) 0%, rgba(5,6,22,0) 28%, rgba(5,6,22,0) 55%, rgba(5,6,22,0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

/* corner chip — sun / moon condition */
.eye-card .chip {
  position: absolute;
  top: 22px; left: 22px;
  z-index: 3;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  background: rgba(8,10,28,0.6);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
}
.eye-card .chip .sun {
  width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFE6A8, #FFB54A 65%, #B97819 100%);
  box-shadow: 0 0 14px rgba(255,181,74,0.65);
}
.eye-card .chip .moon {
  width: 12px; height: 12px; border-radius: 50%;
  background:
    radial-gradient(circle at 70% 40%, #2a2d44 0%, #2a2d44 38%, transparent 39%),
    radial-gradient(circle at 35% 50%, #cdd2e6 0%, #6a7090 75%);
  box-shadow: 0 0 10px rgba(120,130,180,0.35);
}

/* state hint chip top-right */
.eye-card .hint {
  position: absolute;
  top: 22px; right: 22px;
  z-index: 3;
  padding: 8px 14px 8px 12px;
  border-radius: 999px;
  background: rgba(8,10,28,0.6);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
  transition: color .3s, border-color .3s, background .3s;
}
.eye-card .hint .led {
  width: 9px; height: 9px; border-radius: 50%;
  background: #FFFFFF; box-shadow: 0 0 8px rgba(255,255,255,0.6);
  transition: background .3s, box-shadow .3s;
}
.eye-card.is-revealing .hint { color: #fff; border-color: rgba(124,91,255,0.45); }
.eye-card.is-revealing .hint .led {
  background: #7C5BFF;
  box-shadow: 0 0 14px #7C5BFF, 0 0 0 3px rgba(124,91,255,0.22);
}
.eye-card .hint .label-on  { display: none; }
.eye-card.is-revealing .hint .label-on  { display: inline; }
.eye-card.is-revealing .hint .label-off { display: none; }

/* caption block at bottom */
.eye-card .eye-cap {
  position: absolute;
  left: 26px; right: 26px; bottom: 22px;
  z-index: 3;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px;
}
.eye-card .eye-cap .ttl {
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.18;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0,0,0,0.55);
  max-width: 24ch;
}
.eye-card .eye-cap .ttl em { font-family: var(--serif); font-style: italic; font-weight: 400; }
.eye-card .eye-cap .area {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(32px, 3.2vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0,0,0,0.7);
  position: relative;
  text-align: right;
  flex-shrink: 0;
}
.eye-card .eye-cap .area small {
  display: block;
  font-family: var(--display);
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 8px;
  font-weight: 500;
}

/* small exposure bar (visual cue under the area number) */
.eye-card .meter {
  position: absolute;
  left: 26px; right: 26px;
  bottom: 86px;
  z-index: 3;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .6s ease .15s, transform .6s ease .15s;
}
.eye-card.is-revealing .meter { opacity: 1; transform: translateY(0); }
.eye-card .meter span {
  display: block; height: 100%;
  background: linear-gradient(90deg, #5B7FFF, #7C5BFF 55%, #C063FF);
  border-radius: 999px;
  box-shadow: 0 0 14px rgba(124,91,255,0.55);
  width: 0;
  transition: width 1.2s cubic-bezier(.22,.61,.36,1) .25s;
}
.eye-card.is-revealing .meter span { width: var(--exp, 50%); }

.compare-foot {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.compare-foot .axis {
  flex: 1; max-width: 420px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(124,91,255,0.55), rgba(124,91,255,0.95));
}

/* =========================================================
   RESEARCH (paper list with hover)
   ========================================================= */
.papers {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.paper {
  display: grid;
  grid-template-columns: 80px 1fr auto 50px;
  gap: 28px;
  align-items: center;
  padding: 28px 4px;
  border-bottom: 1px solid var(--line);
  transition: background .3s, padding .3s;
}
.paper:hover { background: rgba(255,255,255,0.025); padding-left: 16px; padding-right: 16px; }
.paper .p-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  color: var(--ink-mute);
  letter-spacing: -0.02em;
}
.paper:hover .p-num { color: var(--c-glow-soft); }
.paper .p-title {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 64ch;
}
.paper .p-meta {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.paper .p-arrow {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--glass-edge);
  color: var(--ink-soft);
  transition: transform .3s, color .3s, background .3s;
}
.paper:hover .p-arrow {
  background: linear-gradient(180deg, #8E7BFF, #5B47E0);
  border-color: rgba(255,255,255,0.18);
  color: #fff;
  transform: rotate(-45deg);
}
@media (max-width: 720px) {
  .paper { grid-template-columns: 50px 1fr 32px; gap: 18px; }
  .paper .p-meta { display: none; }
  .paper .p-arrow { width: 32px; height: 32px; }
}

/* =========================================================
   PRESS / RESOURCES
   ========================================================= */
.press {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 880px) { .press { grid-template-columns: 1fr; } }
.press .item {
  padding: 28px;
  border-radius: 22px;
  border: 1px solid var(--glass-edge);
  background: var(--glass);
  display: flex; flex-direction: column;
  min-height: 240px;
  transition: transform .4s, border-color .3s;
}
.press .item:hover { transform: translateY(-3px); border-color: var(--glass-edge-2);}
.press .src {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--c-glow-soft);
  margin-bottom: auto;
}
.press h4 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 20px 0 8px;
  line-height: 1.25;
}
.press p { color: var(--ink-soft); margin: 0 0 20px; font-size: 14px; }
.press .item .read {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--ink);
}
.press .item .read svg { transition: transform .3s; }
.press .item:hover .read svg { transform: translateX(4px); }

/* =========================================================
   TEAM
   ========================================================= */
.team {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: stretch;
}
@media (max-width: 1080px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .team { grid-template-columns: 1fr; } }
.member {
  padding: 20px 22px 24px;
  border-radius: 22px;
  border: 1px solid var(--glass-edge);
  background: var(--glass);
  /* Fixed-row grid so role / name / description align across cards */
  display: grid;
  grid-template-rows: auto 28px 56px 1fr;
  gap: 0;
}
.member .avatar {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, rgba(124,91,255,0.35) 0%, rgba(44,64,160,0.4) 100%);
  display: grid; place-items: center;
  font-size: 22px; font-weight: 500; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  box-shadow: 0 12px 32px -8px rgba(0,0,0,0.5);
  margin-bottom: 22px;
}
.member .avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.member .role {
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1.25;
  display: flex; align-items: flex-start;
}
.member h4 {
  font-size: 17.5px; font-weight: 500; letter-spacing: -0.012em;
  margin: 6px 0 0;
  line-height: 1.18;
  display: flex; align-items: flex-start;
}
.member p { color: var(--ink-soft); font-size: 13px; margin: 8px 0 0; line-height: 1.45; }

/* =========================================================
   CTA + FOOTER
   ========================================================= */
.cta {
  margin: clamp(48px, 8vh, 96px) 0 0;
  padding: clamp(48px, 7vh, 80px) clamp(28px, 4vw, 64px);
  border-radius: 32px;
  background:
    radial-gradient(80% 100% at 0% 0%, rgba(124,91,255,0.20), transparent 65%),
    radial-gradient(70% 80% at 100% 100%, rgba(40,80,200,0.16), transparent 65%),
    rgba(255,255,255,0.03);
  border: 1px solid var(--glass-edge);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 32px;
}
@media (max-width: 880px) { .cta { grid-template-columns: 1fr; } }
.cta h3 {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 22ch;
}
.cta h3 em { font-family: var(--serif); font-style: italic; font-weight: 400; }
.cta p { color: var(--ink-soft); margin: 18px 0 0; max-width: 50ch; }
.cta .actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.cta .small { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-faint); }
@media (max-width: 880px) { .cta .actions { align-items: flex-start; } }

footer {
  margin-top: clamp(72px, 10vh, 120px);
  border-top: 1px solid var(--line);
  background: var(--c-bg-deep);
  padding: 56px 0 28px;
  position: relative;
  z-index: 1;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 880px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-grid h5 {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 16px;
}
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-grid ul a { font-size: 14px; color: var(--ink-soft); transition: color .25s; }
.foot-grid ul a:hover { color: var(--ink); }
.foot-blurb { color: var(--ink-mute); font-size: 13px; max-width: 38ch; margin: 18px 0 0; }
.foot-bot {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint);
  flex-wrap: wrap; gap: 16px;
}

/* =========================================================
   REVEAL ON SCROLL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s cubic-bezier(.22,.61,.36,1), transform 0.9s cubic-bezier(.22,.61,.36,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.10s; }
.reveal[data-d="2"] { transition-delay: 0.20s; }
.reveal[data-d="3"] { transition-delay: 0.30s; }
.reveal[data-d="4"] { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .stage-label .dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   NAV — acciones (Iniciar sesión / Panel + CTA)
   ========================================================= */
.nav-actions { display: inline-flex; align-items: center; gap: 8px; }
.nav-login {
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--ink-soft);
  border: 1px solid var(--glass-edge);
  background: rgba(255,255,255,0.03);
  white-space: nowrap;
  transition: color .25s, background .25s, border-color .25s, transform .25s;
}
.nav-login:hover { color: var(--ink); background: rgba(255,255,255,0.08); border-color: var(--glass-edge-2); transform: translateY(-1px); }

@media (max-width: 540px) {
  .nav-actions { gap: 6px; }
  .nav-login, .nav-cta { padding: 8px 12px; font-size: 12px; }
  .nav-cta svg { display: none; } /* ahorra ancho en móvil */
}

/* =========================================================
   PÁGINAS LEGALES (privacidad / términos / cookies)
   ========================================================= */
.legal-hero { padding: clamp(120px, 18vh, 200px) 0 clamp(28px, 6vh, 56px); }
.legal-hero h1 { font-size: clamp(34px, 5vw, 60px); font-weight: 400; letter-spacing: -0.03em; margin-top: 18px; }
.legal-hero .updated { margin-top: 18px; color: var(--ink-mute); font-size: 13px; letter-spacing: 0.04em; }

.legal { padding-bottom: clamp(80px, 12vh, 140px); }
.legal-grid { display: grid; grid-template-columns: 240px 1fr; gap: clamp(24px, 4vw, 64px); align-items: start; }
@media (max-width: 880px) { .legal-grid { grid-template-columns: 1fr; } }

/* Índice lateral (TOC) */
.legal-toc { position: sticky; top: 96px; }
.legal-toc h4 { font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 12px; font-family: var(--display); font-weight: 600; }
.legal-toc ol { list-style: none; margin: 0; padding: 0; }
.legal-toc li { margin: 2px 0; }
.legal-toc a { display: block; padding: 7px 12px; border-radius: 10px; font-size: 13.5px; color: var(--ink-soft); border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s; }
.legal-toc a:hover { background: var(--glass); color: var(--ink); border-color: var(--glass-edge); }
@media (max-width: 880px) { .legal-toc { position: static; margin-bottom: 24px; } }

/* Cuerpo del documento */
.legal-body { max-width: 760px; }
.legal-card { background: var(--glass); border: 1px solid var(--glass-edge); border-radius: 22px; padding: clamp(24px, 4vw, 44px); }
.legal-body section { scroll-margin-top: 100px; }
.legal-body section + section { margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--line); }
.legal-body h2 { font-size: clamp(20px, 2.4vw, 26px); font-weight: 500; letter-spacing: -0.02em; display: flex; gap: 12px; align-items: baseline; }
.legal-body h2 .n { font-family: var(--serif); font-style: italic; color: var(--c-glow-soft); font-size: 0.9em; }
.legal-body h3 { font-size: 16px; font-weight: 600; margin: 22px 0 8px; color: var(--ink); }
.legal-body p, .legal-body li { color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.legal-body p { margin: 12px 0; }
.legal-body ul, .legal-body ol { margin: 12px 0; padding-left: 22px; }
.legal-body li { margin: 6px 0; }
.legal-body a { color: var(--c-glow-soft); text-decoration: underline; text-underline-offset: 3px; }
.legal-body strong { color: var(--ink); font-weight: 600; }
.legal-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.legal-body th, .legal-body td { text-align: left; padding: 10px 12px; border: 1px solid var(--line-2); color: var(--ink-soft); vertical-align: top; }
.legal-body th { color: var(--ink); font-weight: 600; background: rgba(255,255,255,0.03); }

/* Marcador "rellenar" — visible para no olvidar completar datos reales */
.todo { background: rgba(255, 210, 90, 0.18); border-bottom: 1px dashed rgba(255, 210, 90, 0.85); color: #FFE39A; padding: 0 4px; border-radius: 3px; font-style: normal; }
.legal-note { margin: 8px 0; display: flex; gap: 12px; align-items: flex-start; background: rgba(255, 210, 90, 0.08); border: 1px solid rgba(255, 210, 90, 0.25); border-radius: 14px; padding: 14px 16px; color: #FFE39A; font-size: 13.5px; line-height: 1.55; }