/* =============================================================
   LAB PEPTIDOS PERU — futuristic laboratory
   1. Tokens
   ============================================================= */
:root {
  --bg:        #0A0E1A;   /* negro profundo */
  --bg-alt:    #101828;   /* azul oscuro (secciones alternas) */
  --panel:     #0D1424;   /* superficie de tarjeta */
  --text:      #C8D8F0;   /* blanco azulado */
  --text-dim:  #6B7FA3;   /* gris azulado */
  --accent:    #00C6A2;   /* verde acento (CTA / highlight) */
  --blue:      #1A6EF5;   /* azul eléctrico (links / botones 2º) */
  --border:    #1E2D4A;   /* borde oscuro */
  --white:     #FFFFFF;

  --panel-2:   #0B1120;   /* superficie más profunda para degradados */
  --hairline:  rgba(255,255,255,.05); /* filo superior premium */

  --accent-soft: rgba(0, 198, 162, 0.14);
  --blue-soft:   rgba(26, 110, 245, 0.14);

  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --container: 1180px;
  --radius: 18px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --glow-green: 0 10px 26px -12px rgba(0,120,100,.5);
  --glow-blue:  0 10px 26px -12px rgba(18,60,130,.55);

  /* sombras por capas (profundidad premium) */
  --shadow-card: 0 1px 1px rgba(0,0,0,.4), 0 6px 16px -8px rgba(0,0,0,.5);
  --shadow-hover: 0 2px 4px rgba(0,0,0,.4), 0 26px 50px -20px rgba(0,0,0,.72);
  --shadow-float: 0 30px 80px -30px rgba(0,0,0,.8);
}

@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(120% 90% at 50% -8%, #0d1526, transparent 60%),
    var(--bg);
  overflow-x: clip;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  letter-spacing: -0.005em;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.04; letter-spacing: -0.025em; font-family: var(--display); font-weight: 600; }
ol, ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--bg); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--accent); color: var(--bg);
  border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }

/* Custom cursor: hide native on capable devices */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button, [data-hover], [data-magnetic] { cursor: none; }
}

/* =============================================================
   3. Typography helpers
   ============================================================= */
.kicker {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent);
}
.kicker-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2.6s var(--ease-soft) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.7); } }

.section-head { max-width: 660px; margin: 0 auto clamp(2.6rem, 5.5vw, 4rem); text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4.8vw, 3.3rem); margin: .9rem 0 1rem; letter-spacing: -0.035em; }
.section-lead { color: var(--text-dim); font-size: clamp(1rem, 1.4vw, 1.12rem); }

/* Reveal system */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
/* Defensive: split-text elements must never stay invisible */
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  --pad: .95rem 1.6rem;
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: var(--pad); border-radius: 999px; font-weight: 600; font-size: .95rem;
  letter-spacing: .01em; position: relative; overflow: hidden;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background .35s;
  will-change: transform;
}
.btn-sm { --pad: .68rem 1.1rem; font-size: .82rem; }
.btn svg { position: relative; z-index: 1; }
.btn span { position: relative; z-index: 1; }

.btn-primary { background: linear-gradient(180deg, #2f7cff, var(--blue)); color: var(--white); box-shadow: var(--glow-blue), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-primary::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.22) 50%, transparent 70%);
  transform: translateX(-130%); transition: transform .7s var(--ease-out);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(18,60,130,.7); }
.btn-primary:hover::before { transform: translateX(130%); }

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-dim); color: var(--text); transform: translateY(-2px); }

.btn-whatsapp { background: linear-gradient(180deg, #12dcb6, var(--accent)); color: #04211b; box-shadow: var(--glow-green), inset 0 1px 0 rgba(255,255,255,.3); font-weight: 700; }
.btn-whatsapp::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
  transform: translateX(-130%); transition: transform .8s var(--ease-out);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(0,120,100,.75); }
.btn-whatsapp:hover::before { transform: translateX(130%); }

/* =============================================================
   5. Cursor
   ============================================================= */
.cursor { position: fixed; inset: 0; z-index: 9000; pointer-events: none; opacity: 0; transition: opacity .3s; }
.cursor.is-ready { opacity: 1; }
.cursor-dot, .cursor-ring { position: absolute; top: 0; left: 0; border-radius: 50%; transform: translate(-50%,-50%); }
.cursor-dot { width: 6px; height: 6px; background: var(--accent); }
.cursor-ring { width: 34px; height: 34px; border: 1.4px solid rgba(0,198,162,.6); transition: width .3s var(--ease-out), height .3s var(--ease-out), background .3s, border-color .3s; }
.cursor.is-hover .cursor-ring { width: 56px; height: 56px; background: rgba(0,198,162,.1); border-color: var(--accent); }
.cursor.is-hover .cursor-dot { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* Film grain — subtle tactile texture (premium, less "flat digital") */
.grain {
  position: fixed; inset: 0; z-index: 400; pointer-events: none; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
}

/* =============================================================
   6. Circuit background
   ============================================================= */
.circuit-bg { position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .3; }
.circuit-bg svg { width: 100%; height: 100%; }
.circuit-bg .node { animation: nodeGlow 4.5s ease-in-out infinite; }
.circuit-bg .node:nth-child(2){ animation-delay: .6s } .circuit-bg .node:nth-child(3){ animation-delay: 1.2s }
.circuit-bg .node:nth-child(4){ animation-delay: 1.8s } .circuit-bg .node:nth-child(5){ animation-delay: 2.4s }
@keyframes nodeGlow { 0%,100% { opacity: .25; } 50% { opacity: .7; } }
body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(120% 80% at 80% -10%, rgba(26,110,245,.05), transparent 55%),
              radial-gradient(90% 70% at 0% 100%, rgba(0,198,162,.04), transparent 55%); }

/* =============================================================
   7. Splash
   ============================================================= */
.splash {
  position: fixed; inset: 0; z-index: 10000; display: grid; place-content: center; gap: 1.3rem;
  justify-items: center; background: var(--bg);
  transition: opacity .8s var(--ease-out), visibility .8s;
  animation: splashSafety .01s 4.4s forwards;
}
.splash.is-out { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes splashSafety { to { opacity: 0; visibility: hidden; pointer-events: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
.splash-inner { display: grid; justify-items: center; gap: 1.25rem; text-align: center; }

/* Logo mark (molecule) */
.splash-logo { position: relative; width: 128px; height: 128px; display: grid; place-items: center; animation: splashPop .8s var(--ease-out) both; }
.splash-logo img {
  position: relative; z-index: 2; width: 94px; height: 94px; padding: 8px;
  background: #fff; border-radius: 20px; box-shadow: 0 14px 44px -14px rgba(0,198,162,.6);
}
.splash-halo {
  position: absolute; inset: -24%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(0,198,162,.42), rgba(26,110,245,.16) 45%, transparent 64%);
  filter: blur(22px); animation: splashHalo 2.4s var(--ease-soft) infinite;
}
.splash-ring {
  position: absolute; inset: 2px; border-radius: 24px; pointer-events: none;
  background: conic-gradient(from var(--spin), transparent 52%, var(--accent), var(--blue), transparent 82%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 2.5px;
  animation: markRing 2.4s linear infinite;
}

/* Wordmark recreated from the logo lettering */
.splash-wordmark { position: relative; display: grid; justify-items: center; gap: .45rem; padding: 0 1rem; animation: splashPop .85s var(--ease-out) .1s both; }
.sw-name {
  font-family: var(--display); font-weight: 700; font-size: clamp(1.9rem, 7.5vw, 3.1rem);
  letter-spacing: .04em; line-height: 1; color: #7FA9FF;
  background-image:
    linear-gradient(115deg, transparent 36%, rgba(255,255,255,.92) 50%, transparent 64%),
    linear-gradient(180deg, #EAF1FF 0%, #6FA2FF 40%, #1A6EF5 66%, #0C3F97 100%);
  background-size: 250% 100%, 100% 100%;
  background-position: 150% 0, 0 0;
  background-repeat: no-repeat;
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: sheen 3.2s linear infinite;
}
.sw-tag {
  font-family: var(--display); font-weight: 600; font-size: clamp(.72rem, 2.7vw, .98rem);
  letter-spacing: .14em; text-transform: uppercase; color: #D9B45C;
  background-image: linear-gradient(180deg, #F6E7B4, #D9B45C 55%, #9C7A2E);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sw-est { font-family: var(--mono); font-size: .6rem; letter-spacing: .22em; color: var(--text-dim); margin-top: .1rem; }
@keyframes splashPop { from { opacity: 0; transform: translateY(14px) scale(.94); } to { opacity: 1; transform: none; } }
@keyframes splashHalo { 0%, 100% { opacity: .55; transform: scale(.9); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes sheen { from { background-position: 150% 0, 0 0; } to { background-position: -150% 0, 0 0; } }

.splash-load { font-family: var(--mono); letter-spacing: .12em; font-size: .62rem; color: var(--text-dim); animation: pulse 1.6s var(--ease-soft) infinite; }
.splash-bar { width: 190px; height: 2px; margin-top: .2rem; background: var(--border); border-radius: 2px; overflow: hidden; }
.splash-bar span { display: block; height: 100%; width: 40%; background: var(--accent); border-radius: 2px; animation: loadbar 1.4s var(--ease-soft) infinite; }
@keyframes loadbar { 0% { transform: translateX(-120%); } 100% { transform: translateX(360%); } }

/* =============================================================
   8. Header
   ============================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  transition: background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(10,14,26,.82); border-bottom-color: var(--border);
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.header-inner { display: flex; align-items: center; gap: 1.4rem; padding-block: .85rem; }
.brand { display: flex; align-items: center; gap: .7rem; margin-right: auto; }
.brand-mark {
  position: relative; display: grid; place-items: center; width: 46px; height: 46px; flex: none;
  background: #fff; border-radius: 12px; padding: 4px;
  box-shadow: 0 6px 18px -8px rgba(0,0,0,.6), 0 0 0 1px var(--border);
  transition: transform .4s var(--ease-out), box-shadow .4s;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.brand-mark::after {
  content: ""; position: absolute; inset: -3px; border-radius: 14px; pointer-events: none;
  background: conic-gradient(from var(--spin), transparent 55%, rgba(0,198,162,.7), rgba(26,110,245,.7), transparent 78%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 2px; opacity: .9;
  animation: markRing 5s linear infinite;
}
@keyframes markRing { to { --spin: 360deg; } }
.brand:hover .brand-mark { transform: translateY(-1px); box-shadow: 0 8px 22px -8px rgba(0,198,162,.5), 0 0 0 1px rgba(0,198,162,.5); }
.brand-name { display: block; font-family: var(--display); font-weight: 700; font-size: .98rem; letter-spacing: .04em; line-height: 1; }
.brand-sub { display: block; font-family: var(--mono); font-size: .58rem; letter-spacing: .12em; color: var(--accent); text-transform: uppercase; margin-top: .28rem; }

.site-nav { display: none; gap: 1.7rem; font-size: .9rem; font-weight: 500; }
.site-nav a { position: relative; color: var(--text-dim); transition: color .3s; padding: .3rem 0; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px; background: var(--accent); transition: width .35s var(--ease-out); }
.site-nav a:hover { color: var(--text); } .site-nav a:hover::after { width: 100%; }

.nav-cta { display: none; padding: .58rem 1.15rem; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); font-weight: 600; font-size: .85rem; transition: background .3s, color .3s, transform .3s; }
.nav-cta:hover { background: var(--accent); color: var(--bg); }

.nav-toggle { display: flex; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 10px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--text); transition: transform .3s, opacity .3s; }
.site-header.nav-open .nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* mobile nav dropdown */
@media (max-width: 959px) {
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(13,20,36,.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
    padding: .5rem clamp(1.1rem,4vw,2rem) 1rem; display: flex; max-height: 0; overflow: hidden;
    opacity: 0; transition: max-height .4s var(--ease-out), opacity .3s;
  }
  .site-header.nav-open .site-nav { max-height: 320px; opacity: 1; }
  .site-nav a { padding: .85rem 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
}
@media (min-width: 960px) {
  .site-nav, .nav-cta { display: flex; }
  .nav-toggle { display: none; }
}

/* =============================================================
   9. Hero
   ============================================================= */
.hero { position: relative; padding: clamp(7rem, 14vw, 10rem) 0 clamp(3rem, 7vw, 5rem); overflow: hidden; }
.hero-grid { display: grid; gap: clamp(2rem, 5vw, 3rem); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr .95fr; } }

.hero-title { font-size: clamp(2.6rem, 6.8vw, 5.4rem); font-weight: 700; margin: 1.2rem 0 1.4rem; letter-spacing: -0.04em; line-height: 0.98; }
.hero-title em { font-style: normal; position: relative; background: linear-gradient(180deg, #26e0bd, var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { color: var(--text-dim); font-size: clamp(1rem, 1.5vw, 1.18rem); max-width: 52ch; }
.hero-sub strong { color: var(--text); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin: 2rem 0 2.4rem; }

.hero-stats { display: flex; gap: clamp(1.4rem, 4vw, 2.6rem); flex-wrap: wrap; padding-top: 1.6rem; border-top: 1px solid var(--border); }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats b { font-family: var(--display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; color: var(--text); line-height: 1; }
.hero-stats span { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; color: var(--text-dim); text-transform: uppercase; margin-top: .4rem; }

/* DNA visual */
.hero-visual { position: relative; min-height: 380px; display: grid; place-items: center; }
.hero-halo { position: absolute; inset: -20% -10%; background: radial-gradient(45% 45% at 50% 45%, rgba(0,198,162,.12), transparent 70%); filter: blur(34px); pointer-events: none; }
.dna { position: relative; width: 240px; height: 400px; perspective: 900px; }
.dna-scene { position: absolute; inset: 0; transform-style: preserve-3d; animation: dnaSpin 18s linear infinite; }
@keyframes dnaSpin { to { transform: rotateY(360deg); } }
.rung { position: absolute; left: 50%; top: 0; width: 200px; height: 14px; transform-style: preserve-3d; }
.rung .b { position: absolute; top: 50%; width: 12px; height: 12px; border-radius: 50%; margin-top: -6px; box-shadow: 0 0 5px currentColor; }
.rung .b.l { left: 0; color: var(--blue); background: var(--blue); }
.rung .b.r { right: 0; color: var(--accent); background: var(--accent); }
.rung .bar { position: absolute; top: 50%; left: 13px; right: 13px; height: 2px; margin-top: -1px; background: linear-gradient(90deg, var(--blue), var(--accent)); opacity: .5; }

.float-label {
  position: absolute; z-index: 3; display: flex; flex-direction: column;
  padding: .55rem .8rem; border-radius: 12px; background: rgba(13,20,36,.8);
  border: 1px solid var(--border); backdrop-filter: blur(8px);
  font-family: var(--mono); font-size: .62rem; color: var(--text-dim); letter-spacing: .04em;
  box-shadow: 0 10px 30px -14px rgba(0,0,0,.8); animation: floaty 5s ease-in-out infinite;
}
.float-label b { font-family: var(--display); font-size: .82rem; color: var(--accent); letter-spacing: 0; margin-bottom: .1rem; }
.float-label::before { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.lbl-1 { top: 12%; left: -4%; } .lbl-1::before { right: -16px; top: 50%; }
.lbl-2 { top: 44%; right: -6%; animation-delay: -1.6s; } .lbl-2::before { left: -16px; top: 50%; background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.lbl-3 { bottom: 10%; left: 2%; animation-delay: -3.2s; } .lbl-3::before { right: -16px; top: 50%; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.scroll-hint { position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; font-family: var(--mono); font-size: .6rem; letter-spacing: .28em; text-transform: uppercase; color: var(--text-dim); }
.scroll-hint span { width: 1px; height: 34px; background: linear-gradient(var(--accent), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* =============================================================
   10. Sections common
   ============================================================= */
section { position: relative; }
.steps, .cta-strip { background: var(--bg-alt); }
.steps, .products, .knowledge, .cta-strip { padding-block: clamp(5rem, 10vw, 8.5rem); }
.steps { border-block: 1px solid var(--border); }
.cta-strip { border-top: 1px solid var(--border); }

/* Steps */
.steps-flow { display: grid; gap: 1.4rem; counter-reset: step; }
@media (min-width: 720px) { .steps-flow { grid-template-columns: repeat(3, 1fr); } }
.step-card {
  position: relative; padding: 2.2rem 1.8rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline);
  transition: transform .5s var(--ease-out), border-color .5s, box-shadow .5s;
  transform-style: preserve-3d;
}
.step-card::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px; background: linear-gradient(140deg, var(--accent), transparent 40%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .5s; }
.step-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover), inset 0 1px 0 var(--hairline); }
.step-card:hover::before { opacity: 1; }
.step-index { font-family: var(--mono); font-size: .78rem; color: var(--text-dim); letter-spacing: .2em; }
.step-icon { display: grid; place-items: center; width: 68px; height: 68px; margin: 1.1rem 0 1.3rem; border-radius: 16px; color: var(--blue); background: var(--blue-soft); border: 1px solid var(--border); transition: color .4s, background .4s, transform .5s; }
.step-card:hover .step-icon { transform: translateY(-4px) rotate(-4deg); }
.step-card h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.step-card p { color: var(--text-dim); font-size: .96rem; }
.step-card--accent { background: linear-gradient(160deg, rgba(0,198,162,.12), var(--panel) 60%); border-color: rgba(0,198,162,.4); }
.step-card--accent .step-icon { color: var(--accent); background: var(--accent-soft); }
.step-card--accent .step-index { color: var(--accent); }

/* connectors on desktop */
@media (min-width: 720px) {
  .step-card:not(:last-child)::after {
    content: ""; position: absolute; top: 50%; right: -1.05rem; width: 1.4rem; height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent); z-index: 2;
  }
}

/* =============================================================
   11. Products
   ============================================================= */
.product-grid { display: grid; gap: 1.6rem; }
@media (min-width: 720px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
.product-card {
  display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline);
  transition: transform .5s var(--ease-out), border-color .5s, box-shadow .5s;
}
.product-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--c, var(--accent)) 34%, var(--border)); box-shadow: var(--shadow-hover), inset 0 1px 0 var(--hairline); }
.product-card[data-accent="blue"]:hover { border-color: rgba(26,110,245,.45); }

.product-media {
  position: relative; height: 240px; display: grid; place-items: center;
  background: radial-gradient(60% 60% at 50% 35%, rgba(0,198,162,.12), transparent 70%), var(--bg);
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.product-card[data-accent="blue"] .product-media { background: radial-gradient(60% 60% at 50% 35%, rgba(26,110,245,.14), transparent 70%), var(--bg); }
.product-media::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 26px 26px; opacity: .25; }

/* Vial */
/* Realistic lyophilized peptide vial: clear glass, aluminium crimp cap with
   coloured flip-off (per category), white powder cake, printed label. */
.vial { position: relative; width: 66px; height: 158px; transition: transform .45s var(--ease-out); filter: drop-shadow(0 12px 16px rgba(0,0,0,.45)); }
.product-card:hover .vial { transform: translateY(-5px); }
/* aluminium crimp cap */
.vial-cap { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 34px; height: 20px; border-radius: 3px 3px 2px 2px;
  background: linear-gradient(90deg, #6f7788 0%, #cfd6e0 22%, #eef2f7 40%, #b9c1cd 60%, #7c8494 82%, #9aa2b0 100%); }
.vial-cap::before { content: ""; position: absolute; top: 2px; left: 50%; transform: translateX(-50%); width: 22px; height: 6px; border-radius: 3px;
  background: color-mix(in srgb, var(--c, #9aa6bd) 78%, #2a3346); box-shadow: inset 0 -1px 1px rgba(0,0,0,.35); }
.vial-cap::after { content: ""; position: absolute; bottom: -3px; left: 50%; transform: translateX(-50%); width: 30px; height: 5px; border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, #6f7788, #d3dae4 45%, #7c8494); }
/* glass neck */
.vial-neck { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 26px; height: 10px;
  background: linear-gradient(90deg, rgba(180,196,220,.20), rgba(230,238,250,.42) 45%, rgba(180,196,220,.20)); border-inline: 1px solid rgba(200,216,240,.18); }
/* glass body */
.vial-glass { position: absolute; top: 31px; left: 50%; transform: translateX(-50%); width: 58px; height: 126px; border-radius: 7px 7px 12px 12px; overflow: hidden;
  background: linear-gradient(96deg, rgba(210,224,244,.05), rgba(210,224,244,.11) 30%, rgba(210,224,244,.03) 55%, rgba(210,224,244,.09));
  border: 1px solid rgba(200,216,240,.20); box-shadow: inset 0 0 12px rgba(120,150,190,.10); }
/* lyophilized powder cake at the bottom */
.vial-powder { position: absolute; left: 0; right: 0; bottom: 0; height: 24%;
  background: linear-gradient(180deg, #eef0ec 0%, #dcdccf 55%, #cfccbd 100%);
  border-radius: 40% 40% 0 0 / 90% 90% 0 0; box-shadow: inset 0 3px 5px rgba(255,255,255,.4), inset 0 -2px 4px rgba(0,0,0,.15); }
/* glass gloss highlight */
.vial-gloss { position: absolute; top: 6%; left: 14%; width: 6px; height: 74%; border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,.5), rgba(255,255,255,.05)); }
/* printed white label */
.vial-label { position: absolute; top: 62px; left: 50%; transform: translateX(-50%); z-index: 2; width: 50px; text-align: center;
  font-family: var(--mono); font-size: .52rem; font-weight: 700; letter-spacing: .04em; color: #1c2536;
  background: linear-gradient(180deg, #fbfcfe, #e7ebf1); padding: .32rem .1rem; border-radius: 2px; line-height: 1.1;
  box-shadow: 0 1px 2px rgba(0,0,0,.25); border-top: 2px solid color-mix(in srgb, var(--c, #9aa6bd) 70%, #ffffff); }

.product-info { padding: 1.5rem 1.4rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.product-code { font-family: var(--mono); font-size: .66rem; letter-spacing: .18em; color: var(--text-dim); text-transform: uppercase; }
.product-info h3 { font-size: 1.32rem; margin: .45rem 0 .35rem; }
.product-tag { font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .04em; }
.product-card[data-accent="blue"] .product-tag { color: var(--blue); }
.product-info p { color: var(--text-dim); font-size: .92rem; margin: .9rem 0 1.1rem; flex: 1; }
.product-meta { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 0; border-top: 1px solid var(--border); margin-bottom: 1.1rem; }
.product-goal { font-family: var(--mono); font-size: .68rem; color: var(--text-dim); letter-spacing: .04em; }
.product-price { font-family: var(--display); font-weight: 700; font-size: 1.4rem; color: var(--text); }
.product-actions { display: flex; gap: .55rem; flex-wrap: wrap; }
.product-actions .btn { flex: 1; min-width: 120px; }

.products-note { text-align: center; margin-top: 2.4rem; font-family: var(--mono); font-size: .72rem; color: var(--text-dim); letter-spacing: .04em; }

/* =============================================================
   12. Knowledge
   ============================================================= */
.know-grid { display: grid; gap: 1.6rem; }
@media (min-width: 720px) { .know-grid { grid-template-columns: repeat(3, 1fr); } }
.know-card {
  padding: 1.7rem; border-radius: var(--radius); background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline);
  transition: transform .5s var(--ease-out), border-color .5s, box-shadow .5s;
  transform-style: preserve-3d;
}
.know-card:hover { transform: translateY(-8px); border-color: rgba(0,198,162,.4); box-shadow: var(--shadow-hover), inset 0 1px 0 var(--hairline); }
.know-viz { position: relative; height: 190px; border-radius: 12px; background: radial-gradient(70% 70% at 50% 45%, rgba(26,110,245,.10), transparent 70%), var(--bg); border: 1px solid var(--border); overflow: hidden; margin-bottom: 1.3rem; display: grid; place-items: center; }
.know-viz::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 22px 22px; opacity: .22; }
.know-card h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.know-card p { color: var(--text-dim); font-size: .92rem; }
.know-cta { display: inline-flex; align-items: center; gap: .4rem; margin-top: 1.1rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); transition: gap .3s, color .3s; }
.know-card:hover .know-cta { gap: .7rem; color: var(--accent); }

/* Atom */
.atom { position: relative; width: 130px; height: 130px; transform-style: preserve-3d; transition: transform .6s var(--ease-out); }
.know-card:hover .atom { transform: scale(1.12); }
.atom-nucleus { position: absolute; top: 50%; left: 50%; width: 20px; height: 20px; margin: -10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 20px var(--accent); }
.atom-orbit { position: absolute; inset: 0; border-radius: 50%; border: 1.4px solid rgba(26,110,245,.5); }
.atom-orbit:nth-child(2) { transform: rotate(0deg) rotateX(72deg); animation: orbitspin 4s linear infinite; }
.atom-orbit:nth-child(3) { transform: rotate(60deg) rotateX(72deg); animation: orbitspin 4s linear infinite -1.3s; }
.atom-orbit:nth-child(4) { transform: rotate(120deg) rotateX(72deg); animation: orbitspin 4s linear infinite -2.6s; }
@keyframes orbitspin { to { transform: rotate(360deg) rotateX(72deg); } }
.atom-orbit i { position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; margin-left: -4px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }

/* Receptor */
.receptor { position: relative; width: 150px; height: 130px; }
.receptor-base { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); width: 90px; height: 44px; border-radius: 44px 44px 8px 8px; background: linear-gradient(180deg, rgba(26,110,245,.3), rgba(26,110,245,.12)); border: 1.4px solid var(--blue); }
.receptor-base::before { content: ""; position: absolute; top: -1px; left: 50%; transform: translateX(-50%); width: 30px; height: 18px; background: var(--bg); border: 1.4px solid var(--blue); border-top: none; border-radius: 0 0 14px 14px; }
.ligand { position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 26px; height: 26px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); animation: dock 3.4s var(--ease-soft) infinite; }
.ligand::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 1.4px solid rgba(0,198,162,.4); }
@keyframes dock { 0%,100% { top: 4px; opacity: .7; } 45%,60% { top: 48px; opacity: 1; } }
.signal { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); width: 8px; height: 8px; border-radius: 50%; background: var(--accent); opacity: 0; animation: signal 3.4s var(--ease-soft) infinite; }
@keyframes signal { 0%,50% { opacity: 0; transform: translateX(-50%) scale(.4); } 62% { opacity: 1; } 100% { opacity: 0; transform: translateX(-50%) scale(3.5); } }

/* Chart */
.know-viz--chart svg { position: relative; z-index: 1; width: 88%; height: 78%; }
.chart-line { stroke-dasharray: 520; stroke-dashoffset: 520; animation: draw 3s var(--ease-out) forwards; }
.know-card:hover .chart-line { animation: draw 1.6s var(--ease-out) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.chart-dot { offset-path: path("M0 100 C40 96 55 40 90 38 C130 36 140 24 175 26 C200 27 210 60 220 66"); animation: dotmove 3.4s var(--ease-soft) infinite; filter: drop-shadow(0 0 6px var(--accent)); }
@keyframes dotmove { 0% { offset-distance: 0%; } 100% { offset-distance: 100%; } }

/* =============================================================
   13. CTA strip
   ============================================================= */
.cta-inner { display: grid; gap: 2.4rem; align-items: center; }
@media (min-width: 960px) { .cta-inner { grid-template-columns: 1.1fr .9fr; } }
.cta-copy h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin: .8rem 0 .9rem; }
.cta-copy .btn-whatsapp { margin-top: 1.6rem; }
.cta-card { position: relative; padding: 2rem 1.8rem; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); overflow: hidden; }
.cta-card-glow { position: absolute; top: -40%; right: -30%; width: 60%; height: 120%; background: radial-gradient(circle, rgba(0,198,162,.22), transparent 70%); filter: blur(20px); pointer-events: none; }
.trust-list { display: grid; gap: 1.1rem; position: relative; z-index: 1; }
.trust-list li { display: flex; gap: 1rem; align-items: flex-start; }
.trust-ico { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--border); font-size: 1rem; }
.trust-list b { display: block; font-family: var(--display); font-weight: 600; font-size: 1rem; color: var(--text); }
.trust-list div { font-size: .88rem; color: var(--text-dim); }

/* =============================================================
   14. Footer
   ============================================================= */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding-block: clamp(3rem, 6vw, 4.5rem) 1.6rem; }
.footer-grid { display: grid; gap: 2.4rem; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr .8fr 1fr; } }
.footer-logo-card { display: inline-block; background: var(--white); border-radius: 14px; overflow: hidden; width: 220px; box-shadow: 0 12px 34px -16px rgba(0,0,0,.7); }
.footer-logo-card img { display: block; width: 100%; height: auto; }
.footer-brand p { color: var(--text-dim); font-size: .92rem; max-width: 40ch; margin-top: 1.2rem; }
.footer-nav h4, .footer-contact h4 { font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.footer-nav a { display: block; color: var(--text-dim); padding: .35rem 0; transition: color .3s, padding-left .3s; }
.footer-nav a:hover { color: var(--text); padding-left: .4rem; }
.footer-wa { display: inline-block; font-family: var(--display); font-weight: 600; color: var(--accent); font-size: 1.02rem; margin-bottom: .5rem; transition: opacity .3s; }
.footer-wa:hover { opacity: .8; }
.footer-loc { color: var(--text-dim); font-size: .86rem; }
.footer-hours { color: var(--text-dim); font-size: .86rem; margin-top: .15rem; }
.socials { display: flex; gap: .6rem; margin-top: 1.2rem; }
.socials a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-dim); transition: color .3s, border-color .3s, transform .3s, background .3s; }
.socials a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); background: var(--accent-soft); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--border); font-family: var(--mono); font-size: .68rem; color: var(--text-dim); letter-spacing: .04em; }

/* =============================================================
   14b. Added effects: progress, particles, ticker, shine, form
   ============================================================= */

/* Scroll progress bar */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 950; pointer-events: none; background: rgba(30,45,74,.4); }
.scroll-progress span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue), var(--accent)); box-shadow: 0 0 12px rgba(0,198,162,.8); }

/* Ambient molecule particles */
.particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.particles .p { position: absolute; bottom: -24px; border-radius: 50%; background: radial-gradient(circle at 32% 30%, var(--accent), rgba(0,198,162,0) 70%); animation: rise linear infinite; }
.particles .p.blue { background: radial-gradient(circle at 32% 30%, var(--blue), rgba(26,110,245,0) 70%); }
@keyframes rise {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: .55; }
  90%  { opacity: .35; }
  100% { transform: translateY(-108vh) translateX(28px); opacity: 0; }
}

/* Peptide ticker */
.ticker { background: var(--bg-alt); border-block: 1px solid var(--border); overflow: hidden; padding: .95rem 0; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: inline-flex; align-items: center; gap: 1.6rem; white-space: nowrap; animation: tickerMove 34s linear infinite; will-change: transform; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span { font-family: var(--display); font-weight: 600; font-size: .96rem; color: var(--text); letter-spacing: .01em; }
.ticker i { color: var(--accent); font-style: normal; font-size: .62rem; }
@keyframes tickerMove { to { transform: translateX(-50%); } }

/* Holographic shine sweep on cards */
.product-card, .know-card { position: relative; }
.know-card { overflow: hidden; }
.product-card::after, .know-card::after {
  content: ""; position: absolute; top: 0; left: 0; width: 55%; height: 100%; z-index: 4; pointer-events: none;
  background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,.05) 48%, transparent 100%);
  transform: translateX(-180%) skewX(-14deg); transition: transform 1s var(--ease-out);
}
.product-card:hover::after, .know-card:hover::after { transform: translateX(360%) skewX(-14deg); }

/* Animated underline on section titles */
.section-head h2 { position: relative; }
.section-head h2::after { content: ""; display: block; width: 66px; height: 3px; margin: 1.05rem auto 0; border-radius: 3px; background: linear-gradient(90deg, var(--blue), var(--accent)); transform: scaleX(0); transform-origin: center; transition: transform .8s var(--ease-out) .15s; }
.section-head h2.is-visible::after { transform: scaleX(1); }

/* ---- Contact form ---- */
.contact-form { position: relative; background: var(--bg-alt); border-top: 1px solid var(--border); padding-block: clamp(4rem, 9vw, 7rem); overflow: hidden; }
.form-grid { display: grid; gap: 2.6rem; align-items: center; position: relative; z-index: 1; }
@media (min-width: 960px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-intro h2 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); margin: .8rem 0 .9rem; }
.form-perks { display: grid; gap: .85rem; margin-top: 1.9rem; }
.form-perks li { display: flex; align-items: center; gap: .8rem; color: var(--text-dim); font-size: .96rem; }
.perk-node { position: relative; width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--accent); }
.perk-node::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid rgba(0,198,162,.3); }

.form-molecule { position: relative; width: 120px; height: 120px; margin-top: 2.4rem; opacity: .8; }
.fm-core { position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; margin: -7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(0,198,162,.5); }
.fm-ring { position: absolute; border-radius: 50%; }
.fm-ring:nth-child(2) { inset: 0; border: 1.5px dashed rgba(0,198,162,.5); animation: spin 9s linear infinite; }
.fm-ring:nth-child(3) { inset: 20px; border: 1.5px dashed rgba(26,110,245,.55); animation: spin 6s linear infinite reverse; }
.fm-ring:nth-child(4) { inset: 40px; border: 1.5px solid rgba(200,216,240,.28); animation: spin 4s linear infinite; }

.lab-form { position: relative; padding: 2.2rem 1.9rem 2rem; border-radius: var(--radius); background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-float), inset 0 1px 0 var(--hairline); }
.lab-form::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); opacity: .75; }
.form-scan { display: none; }
.corner { display: none; }
.form-title { position: relative; z-index: 1; font-family: var(--mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }

.field { position: relative; margin-bottom: 1.35rem; z-index: 1; }
.field input, .field select, .field textarea {
  width: 100%; padding: 1.2rem .9rem .5rem; background: rgba(10,14,26,.65); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-family: var(--sans); font-size: .95rem; resize: none;
  transition: border-color .3s, box-shadow .3s;
}
.field textarea { padding-top: 1.35rem; min-height: 84px; }
.field-select select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7FA3' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center; background-size: 18px; padding-right: 2.4rem; }
.field-select select option { color: #0A0E1A; }
.field label { position: absolute; left: .95rem; top: 1rem; color: var(--text-dim); font-size: .95rem; pointer-events: none; transform-origin: left; transition: transform .25s var(--ease-out), color .25s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field select:focus + label, .field select:valid + label { transform: translateY(-.75rem) scale(.76); color: var(--accent); }
.field-line { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--accent); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease-out); }
.field input:focus ~ .field-line, .field textarea:focus ~ .field-line, .field select:focus ~ .field-line { transform: scaleX(1); }

.form-submit { width: 100%; margin-top: .5rem; }
.lab-form.is-sending .form-submit { opacity: .7; pointer-events: none; }
.form-status { margin-top: 1rem; min-height: 1.2em; text-align: center; font-size: .9rem; color: var(--accent); opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
.form-status.show { opacity: 1; transform: none; }
.form-status.error { color: #ff8095; }
.form-privacy { margin-top: .8rem; text-align: center; font-size: .7rem; color: var(--text-dim); line-height: 1.5; }

/* =============================================================
   14c. Catalog: filters + category-colored cards
   ============================================================= */
/* buscador */
.search-box { position: relative; max-width: 620px; margin: 0 auto 1.4rem; }
.search-box .search-ico { position: absolute; left: 1.1rem; top: 50%; transform: translateY(-50%); color: var(--text-dim); pointer-events: none; }
.search-input { width: 100%; padding: 1.05rem 3rem 1.05rem 3.2rem; border-radius: 999px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border); color: var(--text);
  font-family: var(--sans); font-size: 1rem; box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline);
  transition: border-color .3s, box-shadow .3s; }
.search-input::placeholder { color: var(--text-dim); }
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-card); }
.search-input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.search-clear { position: absolute; right: .9rem; top: 50%; transform: translateY(-50%); width: 30px; height: 30px;
  border-radius: 50%; border: 1px solid var(--border); color: var(--text-dim); font-size: .85rem; display: grid; place-items: center;
  background: var(--bg); transition: color .25s, border-color .25s; }
.search-clear:hover { color: var(--accent); border-color: var(--accent); }
.search-empty { text-align: center; color: var(--text-dim); font-size: .95rem; padding: 2rem 1rem; }

.product-filters { display: flex; flex-wrap: wrap; gap: .55rem; justify-content: center; margin-bottom: 2.4rem; }
.filter-chip {
  display: inline-flex; align-items: center; gap: .4rem; padding: .52rem .95rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text-dim);
  font-size: .84rem; font-weight: 500; transition: color .3s, border-color .3s, background .3s, transform .3s;
}
.filter-chip b { font-family: var(--mono); font-size: .66rem; opacity: .7; }
.filter-chip:hover { color: var(--text); border-color: var(--text-dim); transform: translateY(-2px); }
.filter-chip.is-active { color: #06121f; background: var(--c, var(--accent)); border-color: var(--c, var(--accent)); }
.filter-chip.is-active b { opacity: .8; }

.product-grid--catalog { grid-template-columns: 1fr; }
@media (min-width: 540px)  { .product-grid--catalog { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px)  { .product-grid--catalog { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .product-grid--catalog { grid-template-columns: repeat(4, 1fr); } }
.product-card.is-hidden { display: none; }

/* per-category color via --c */
.product-card { --c: #00C6A2; }
.product-card .product-media { background: radial-gradient(70% 60% at 50% 42%, color-mix(in srgb, var(--c) 9%, transparent), transparent 72%), #0b1120; }
.product-card:hover { border-color: color-mix(in srgb, var(--c) 32%, var(--border)); }
.product-grid--catalog .product-code { color: var(--c); }
.cat-badge {
  position: absolute; top: .7rem; left: .7rem; z-index: 3; font-family: var(--mono);
  font-size: .56rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c);
  background: color-mix(in srgb, var(--c) 16%, #0A0E1A);
  border: 1px solid color-mix(in srgb, var(--c) 40%, transparent);
  padding: .3rem .5rem; border-radius: 6px;
}

/* =============================================================
   14d. Labeled vial cards + product detail modal
   ============================================================= */
.pcard { padding: 18px 16px 16px; display: flex; flex-direction: column; cursor: pointer; }
.pcard .cat-badge { top: 13px; right: 13px; left: auto; color: #06121f; background: var(--c);
  border: none; font-size: .52rem; letter-spacing: .1em; padding: .28rem .5rem; }
.vial-wrap { height: 208px; display: flex; align-items: center; justify-content: center; margin: 6px 0 12px;
  transition: transform .4s var(--ease-out); filter: drop-shadow(0 16px 22px rgba(0,0,0,.55)); }
.vial-wrap svg, .vial-wrap .vial-img { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; }
/* radio suave: invisible en los viales transparentes, evita el rectángulo duro
   en las fotos que traen su propio fondo (ej. Agua Bacteriostática) */
.vial-img { border-radius: 10px; }
.pcard--img .vial-wrap { filter: drop-shadow(0 18px 26px rgba(0,0,0,.6)); }
.detail-vial .vial-img { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; }
.pcard:hover .vial-wrap { transform: translateY(-5px) rotate(-1.5deg); }
.pcard h3 { font-size: 1.06rem; margin: 0; letter-spacing: -.01em; }
.pcard-meta { display: flex; align-items: center; gap: .5rem; margin: .4rem 0 .35rem; }
.pcard-conc { font-family: var(--mono); font-size: .74rem; color: var(--text-dim); }
.pcard-price { font-family: var(--display); font-weight: 700; font-size: 1.35rem; line-height: 1; letter-spacing: -.01em;
  color: var(--accent); margin: 0 0 .95rem; }
.pcard-price .from { font-family: var(--mono); font-size: .58rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); vertical-align: middle; margin-right: .1rem; }
.pcard-price .quote { font-family: var(--sans); font-size: .82rem; font-weight: 500; color: var(--text-dim); }
.pcard-arrow { margin-left: auto; color: var(--text-dim); transition: transform .26s var(--ease-out), color .26s; }
.pcard:hover .pcard-arrow { transform: translateX(4px); color: var(--c); }
.pcard .product-actions { margin-top: auto; }
.pcard .product-actions .btn-whatsapp { flex: 1; min-width: 0; }
.pcard-file { flex: 0 0 auto; min-width: 0; }

/* modal */
.pmodal { position: fixed; inset: 0; z-index: 1000; display: none; }
.pmodal.is-open { display: block; }
.pmodal-backdrop { position: absolute; inset: 0; background: rgba(4,8,16,.74); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); animation: fadeIn .3s ease; }
.pmodal-panel { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: min(940px, 94vw); max-height: 92vh; overflow-y: auto;
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border); border-radius: 22px;
  box-shadow: 0 50px 110px -30px rgba(0,0,0,.9), inset 0 1px 0 var(--hairline);
  padding: clamp(1.6rem, 3.4vw, 2.6rem); animation: modalIn .4s var(--ease-out); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translate(-50%,-46%); } to { opacity: 1; transform: translate(-50%,-50%); } }
.pmodal-close { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border-radius: 50%; z-index: 3;
  border: 1px solid var(--border); background: var(--bg); color: var(--text-dim); font-size: 1rem; display: grid; place-items: center;
  transition: color .3s, border-color .3s, transform .3s; }
.pmodal-close:hover { color: var(--accent); border-color: var(--accent); transform: rotate(90deg); }

.detail-grid { display: grid; gap: clamp(1.4rem, 3vw, 2.4rem); align-items: center; }
@media (min-width: 760px) { .detail-grid { grid-template-columns: .82fr 1.18fr; } }
.detail-stage { position: relative; aspect-ratio: 4/5; max-height: 58vh; border-radius: 18px; display: grid; place-items: center; overflow: hidden;
  border: 1px solid var(--border); background: radial-gradient(70% 60% at 50% 36%, color-mix(in srgb, var(--c) 14%, transparent), transparent 62%), var(--bg); }
.detail-floor { position: absolute; bottom: 9%; width: 54%; height: 20px; border-radius: 50%; background: radial-gradient(closest-side, rgba(0,0,0,.55), transparent); filter: blur(6px); }
.detail-vial { height: min(48vh, 420px); display: flex; align-items: center; justify-content: center; transition: opacity .18s ease; filter: drop-shadow(0 26px 30px rgba(0,0,0,.55)); animation: floaty 6s ease-in-out infinite; }
.detail-vial svg { max-height: 100%; max-width: 100%; width: auto; height: auto; }
.detail-cat { font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c); display: inline-block; margin-bottom: .5rem; }
.detail-name { font-size: clamp(1.6rem, 4vw, 2.5rem); margin: 0 0 .3rem; letter-spacing: -.02em; }
.detail-sub { color: var(--text-dim); font-family: var(--mono); font-size: .76rem; }
.detail-blurb { color: #c9d5ea; font-size: 1rem; margin: 1rem 0 1.2rem; max-width: 52ch; }
.detail-specs { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.detail-specs .spec { padding: .6rem .8rem; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); min-width: 82px; }
.detail-specs .spec b { display: block; font-size: .9rem; }
.detail-specs .spec span { font-size: .58rem; color: var(--text-dim); font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.detail-pres-label { font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .6rem; }
.detail-pres { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: .9rem; }
.pres-btn { display: flex; flex-direction: column; gap: 2px; text-align: left; padding: .7rem 1rem; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text); min-width: 116px; cursor: pointer;
  transition: border-color .25s, background .25s, transform .16s; }
.pres-btn b { font-family: var(--mono); font-size: 1rem; }
.pres-btn span { font-size: .62rem; color: var(--text-dim); }
.pres-btn .pres-price { display: block; font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--accent); letter-spacing: -.01em; margin-top: .1rem; }
.pres-btn.active .pres-price { color: var(--accent); }
.pres-btn:hover { border-color: var(--text-dim); transform: translateY(-1px); }
.pres-btn.active { border-color: var(--c); background: color-mix(in srgb, var(--c) 12%, transparent); }
.pres-btn.active b { color: var(--c); }
.detail-gift { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--accent); font-weight: 600; margin: .3rem 0 1.2rem; }
.detail-order { width: fit-content; }
.detail-disc { margin-top: 1.1rem; font-size: .72rem; color: var(--text-dim); max-width: 54ch; line-height: 1.6; }

/* =============================================================
   14g. Calculadora de dosis
   ============================================================= */
.calc { padding-block: clamp(5rem, 10vw, 8.5rem); background: var(--bg-alt); border-top: 1px solid var(--border); }
.calc-grid { display: grid; gap: 1.6rem; align-items: start; }
.calc-grid > * { min-width: 0; }
.calc-field, .calc-input { min-width: 0; }
@media (min-width: 900px) { .calc-grid { grid-template-columns: 1.05fr .95fr; } }

.calc-form { min-width: 0; display: grid; gap: 1.3rem; padding: 2rem 1.8rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline); }
.calc-field label { display: block; font-family: var(--display); font-weight: 600; font-size: .98rem; margin-bottom: .55rem; }
.calc-input { display: flex; align-items: stretch; border: 1px solid var(--border); border-radius: 12px;
  background: rgba(10,14,26,.65); overflow: hidden; transition: border-color .3s, box-shadow .3s; }
.calc-input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.calc-input input { flex: 1; min-width: 0; padding: .85rem .9rem; background: transparent; border: 0; color: var(--text);
  font-family: var(--mono); font-size: 1.05rem; font-weight: 500; }
.calc-input input:focus { outline: none; }
.calc-input input::-webkit-outer-spin-button, .calc-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-input input[type=number] { -moz-appearance: textfield; appearance: textfield; }
.calc-unit { display: grid; place-items: center; padding: 0 1rem; background: rgba(30,45,74,.5);
  font-family: var(--mono); font-size: .8rem; color: var(--text-dim); border-left: 1px solid var(--border); }
.calc-sel { padding: 0 2rem 0 .9rem; background-color: rgba(30,45,74,.5); border: 0; border-left: 1px solid var(--border);
  color: var(--accent); font-family: var(--mono); font-size: .82rem; cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300C6A2' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .6rem center; background-size: 16px; }
.calc-sel:focus { outline: none; }
.calc-sel option { color: #0A0E1A; }
.calc-field small { display: block; margin-top: .45rem; font-size: .76rem; color: var(--text-dim); }

.calc-result { position: relative; padding: 2rem 1.8rem; border-radius: var(--radius); text-align: center;
  background: linear-gradient(160deg, rgba(0,198,162,.1), var(--panel-2) 62%); border: 1px solid rgba(0,198,162,.4);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline); }
.calc-res-label { font-family: var(--mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); }
.calc-big { font-family: var(--display); font-weight: 700; font-size: clamp(3.4rem, 9vw, 5rem); line-height: 1;
  color: var(--accent); letter-spacing: -.03em; margin: .4rem 0 .2rem; }
.calc-big-sub { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--text-dim); }
.calc-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin: 1.6rem 0 1.2rem; }
.calc-stats div { padding: .7rem .5rem; border-radius: 12px; background: rgba(10,14,26,.5); border: 1px solid var(--border); }
.calc-stats b { display: block; font-family: var(--mono); font-size: .95rem; color: var(--text); }
.calc-stats span { font-size: .6rem; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); }
.calc-syringe { min-height: 2.4em; font-size: .84rem; color: var(--accent); line-height: 1.5; }
.calc-syringe.is-warn { color: #ffb54d; }

/* legend + segmented control */
.calc-legend { display: block; font-family: var(--display); font-weight: 600; font-size: .98rem; margin-bottom: .55rem; }
.calc-seg { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; padding: .32rem; border-radius: 12px;
  background: rgba(10,14,26,.65); border: 1px solid var(--border); }
.seg-opt { position: relative; }
.seg-opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg-opt span { display: block; text-align: center; padding: .6rem .5rem; border-radius: 9px; cursor: pointer;
  font-size: .85rem; font-weight: 600; color: var(--text-dim); transition: color .25s, background .25s; }
.seg-opt input:checked + span { background: var(--accent); color: #06121f; }
.seg-opt input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.calc-sel--wide { width: 100%; flex: 1; padding: .85rem 2.2rem .85rem .9rem; background-color: transparent; border-left: 0; color: var(--text); font-family: var(--sans); font-size: .95rem; }

/* syringe options */
.calc-syr-opts { display: grid; gap: .5rem; }
@media (min-width: 480px) { .calc-syr-opts { grid-template-columns: repeat(3, 1fr); } }
.syr-opt { position: relative; display: block; padding: .75rem .6rem; border-radius: 12px; cursor: pointer; text-align: center;
  background: rgba(10,14,26,.65); border: 1px solid var(--border); transition: border-color .25s, background .25s, transform .2s; }
.syr-opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.syr-opt b { display: block; font-family: var(--mono); font-size: .78rem; color: var(--text); }
.syr-opt span { display: block; font-size: .64rem; color: var(--text-dim); margin-top: .15rem; }
.syr-opt:hover { border-color: var(--text-dim); transform: translateY(-1px); }
.syr-opt:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.syr-opt:has(input:checked) b { color: var(--accent); }
.syr-opt:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.syr-opt.is-fit::after { content: "recomendada"; position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: .48rem; letter-spacing: .1em; text-transform: uppercase; color: #06121f;
  background: var(--blue); padding: .12rem .4rem; border-radius: 99px; white-space: nowrap; }

/* syringe visual */
.calc-viz { margin: 1.1rem 0 .4rem; }
.calc-viz svg { width: 100%; height: auto; }

/* blend breakdown */
.calc-breakdown { display: grid; gap: .35rem; margin-bottom: 1rem; padding: .85rem; border-radius: 12px;
  background: rgba(10,14,26,.5); border: 1px solid var(--border); text-align: left; }
.brk-title { font-family: var(--mono); font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); }
.brk-item { display: flex; justify-content: space-between; gap: 1rem; font-size: .82rem; color: var(--accent); font-family: var(--mono); }
.brk-item b { color: var(--text); font-weight: 600; font-family: var(--sans); }

/* info boxes */
.calc-boxes { display: grid; gap: 1.2rem; margin-top: 2.6rem; }
@media (min-width: 760px) { .calc-boxes { grid-template-columns: repeat(3, 1fr); } }
.calc-box { padding: 1.5rem 1.4rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline); }
.cbox-ico { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; font-size: 1rem;
  background: var(--blue-soft); border: 1px solid var(--border); margin-bottom: .9rem; }
.calc-box h3 { font-size: 1rem; margin-bottom: .45rem; }
.calc-box p { color: var(--text-dim); font-size: .86rem; line-height: 1.6; }
.calc-box p b { color: var(--text); font-weight: 600; }

/* =============================================================
   14f. Benefits / beneficios
   ============================================================= */
.benefits { padding-block: clamp(5rem, 10vw, 8.5rem); border-bottom: 1px solid var(--border); }
.ben-grid { display: grid; gap: 1.4rem; }
@media (min-width: 640px) { .ben-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ben-grid { grid-template-columns: repeat(4, 1fr); } }
.ben-card { padding: 1.9rem 1.5rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline);
  transition: transform .5s var(--ease-out), border-color .5s, box-shadow .5s; }
.ben-card:hover { transform: translateY(-6px); border-color: rgba(0,198,162,.35); box-shadow: var(--shadow-hover), inset 0 1px 0 var(--hairline); }
.ben-ico { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--border); margin-bottom: 1.1rem;
  transition: transform .5s var(--ease-out); }
.ben-card:hover .ben-ico { transform: translateY(-3px); }
.ben-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.ben-card p { color: var(--text-dim); font-size: .92rem; }

/* =============================================================
   14e. Shipping / envíos
   ============================================================= */
.shipping { padding-block: clamp(5rem, 10vw, 8.5rem); background: var(--bg-alt); border-top: 1px solid var(--border); }
.ship-grid { display: grid; gap: 1.4rem; margin-bottom: 2.6rem; }
@media (min-width: 720px) { .ship-grid { grid-template-columns: repeat(3, 1fr); } }
.ship-card { position: relative; display: flex; flex-direction: column; padding: 2rem 1.7rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--hairline); transition: transform .5s var(--ease-out), border-color .5s, box-shadow .5s; }
.ship-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover), inset 0 1px 0 var(--hairline); }
.ship-ico { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 14px; color: var(--blue); background: var(--blue-soft); border: 1px solid var(--border); margin-bottom: 1.2rem; }
.ship-card--accent { border-color: rgba(0,198,162,.4); background: linear-gradient(160deg, rgba(0,198,162,.1), var(--panel-2) 62%); }
.ship-card--accent .ship-ico { color: var(--accent); background: var(--accent-soft); }
.ship-tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.ship-price { font-family: var(--display); font-weight: 700; font-size: 2rem; line-height: 1; margin: .45rem 0 .8rem; color: var(--text); letter-spacing: -.02em; }
.ship-price span { font-size: 1.05rem; color: var(--text-dim); }
.ship-card p { color: var(--text-dim); font-size: .94rem; flex: 1; }
.ship-card p b { color: var(--text); font-weight: 600; }
.ship-eta { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--border); font-family: var(--mono); font-size: .72rem; letter-spacing: .03em; color: var(--accent); }
.ship-notes { display: grid; gap: .85rem; max-width: 840px; margin: 0 auto; }
.ship-notes li { position: relative; padding-left: 1.7rem; color: var(--text-dim); font-size: .92rem; line-height: 1.65; }
.ship-notes li b { color: var(--text); font-weight: 600; }
.ship-notes li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--accent); }

/* =============================================================
   14h. Carrito + asistente virtual
   ============================================================= */
/* botones flotantes */
.fab { position: fixed; right: 18px; z-index: 950; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; border: 1px solid var(--border);
  box-shadow: var(--shadow-hover); transition: transform .3s var(--ease-out), background .3s; }
.fab:hover { transform: translateY(-3px); }
.fab-cart { bottom: 18px; background: linear-gradient(180deg, #12dcb6, var(--accent)); color: #04211b; }
.fab-bot { bottom: 84px; background: linear-gradient(180deg, #2f7cff, var(--blue)); color: #fff; }
.fab-badge { position: absolute; top: -4px; right: -4px; min-width: 21px; height: 21px; padding: 0 5px; border-radius: 99px;
  background: var(--blue); color: #fff; font-family: var(--mono); font-size: .66rem; font-weight: 700;
  display: grid; place-items: center; border: 2px solid var(--bg); }
@media (max-width: 540px) { .fab { width: 48px; height: 48px; right: 12px; } .fab-cart { bottom: 12px; } .fab-bot { bottom: 70px; } }

/* toast */
.toast { position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 16px); z-index: 1400;
  background: var(--panel); border: 1px solid var(--accent); color: var(--text); padding: .7rem 1.1rem;
  border-radius: 99px; font-size: .84rem; box-shadow: var(--shadow-float); opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s var(--ease-out); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* drawer del carrito */
.drawer { position: fixed; inset: 0; z-index: 1300; display: none; }
.drawer.is-open { display: block; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(4,8,16,.7); backdrop-filter: blur(4px); animation: fadeIn .25s ease; }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(420px, 92vw); display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border-left: 1px solid var(--border);
  box-shadow: -30px 0 80px -30px rgba(0,0,0,.9); animation: slideIn .35s var(--ease-out); }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: none; } }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 1.3rem; border-bottom: 1px solid var(--border); }
.drawer-head h3 { font-size: 1.15rem; }
.drawer-x { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); color: var(--text-dim); }
.drawer-x:hover { color: var(--accent); border-color: var(--accent); }
.drawer-body { flex: 1; overflow-y: auto; padding: 1rem 1.3rem; }
.drawer-foot { padding: 1.1rem 1.3rem; border-top: 1px solid var(--border); }
.cart-empty { text-align: center; color: var(--text-dim); font-size: .95rem; padding: 2.5rem 1rem; }
.cart-empty span { font-size: .82rem; opacity: .8; }
.cart-item { display: flex; align-items: center; gap: .8rem; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.cart-thumb { width: 44px; height: 58px; flex: none; display: flex; align-items: center; justify-content: center; }
.cart-thumb img, .cart-thumb svg { max-height: 100%; max-width: 100%; width: auto; height: auto; border-radius: 5px; }
.cart-info { flex: 1; min-width: 0; }
.cart-info b { display: block; font-size: .9rem; font-family: var(--display); }
.cart-info span { font-family: var(--mono); font-size: .72rem; color: var(--accent); }
.cart-qty { display: flex; align-items: center; gap: .5rem; }
.cart-qty button { width: 26px; height: 26px; border-radius: 7px; border: 1px solid var(--border); color: var(--text); font-size: .9rem; line-height: 1; }
.cart-qty button:hover { border-color: var(--accent); color: var(--accent); }
.cart-qty b { font-family: var(--mono); font-size: .85rem; min-width: 14px; text-align: center; }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .8rem; font-family: var(--mono); font-size: .78rem; color: var(--text-dim); }
.cart-total em { font-style: normal; color: var(--accent); }
.cart-send { width: 100%; }
.cart-clear { display: block; width: 100%; margin-top: .6rem; padding: .5rem; font-size: .78rem; color: var(--text-dim); }
.cart-clear:hover { color: #ff8095; }
.detail-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* asistente */
.bot { position: fixed; right: 18px; bottom: 148px; z-index: 1250; width: min(380px, calc(100vw - 36px)); max-height: min(560px, calc(100vh - 180px));
  display: none; flex-direction: column; overflow: hidden; border-radius: 18px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border);
  box-shadow: var(--shadow-float), inset 0 1px 0 var(--hairline); }
.bot.is-open { display: flex; animation: modalIn .3s var(--ease-out); }
@media (max-width: 540px) { .bot { right: 12px; left: 12px; width: auto; bottom: 128px; max-height: calc(100vh - 160px); } }
.bot-head { display: flex; align-items: center; gap: .7rem; padding: .9rem 1rem; border-bottom: 1px solid var(--border); background: rgba(26,110,245,.08); }
.bot-head b { display: block; font-family: var(--display); font-size: .9rem; }
.bot-head span { font-size: .68rem; color: var(--text-dim); }
.bot-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); flex: none; }
.bot-x { margin-left: auto; width: 30px; height: 30px; border-radius: 50%; color: var(--text-dim); border: 1px solid var(--border); }
.bot-x:hover { color: var(--accent); border-color: var(--accent); }
.bot-log { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .7rem; }
.bot-msg { max-width: 88%; padding: .7rem .9rem; border-radius: 14px; font-size: .86rem; line-height: 1.55; }
.bot-ai { align-self: flex-start; background: rgba(10,14,26,.6); border: 1px solid var(--border); border-bottom-left-radius: 4px; color: var(--text); }
.bot-me { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.bot-chips { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .6rem; }
.bot-chips button { padding: .35rem .7rem; border-radius: 99px; border: 1px solid var(--accent); color: var(--accent);
  font-size: .72rem; transition: background .25s, color .25s; }
.bot-chips button:hover { background: var(--accent); color: #06121f; }
.bot-prods { display: grid; gap: .5rem; margin-top: .7rem; }
.bot-prod { display: flex; align-items: center; gap: .6rem; padding: .5rem; border-radius: 10px; background: rgba(10,14,26,.5); border: 1px solid var(--border); }
.bot-prod-img { width: 34px; height: 46px; flex: none; display: flex; align-items: center; justify-content: center; }
.bot-prod-img img, .bot-prod-img svg { max-height: 100%; max-width: 100%; width: auto; height: auto; border-radius: 4px; }
.bot-prod-info { flex: 1; min-width: 0; }
.bot-prod-info b { display: block; font-size: .8rem; }
.bot-prod-info span { font-family: var(--mono); font-size: .64rem; color: var(--text-dim); }
.bot-prod-acts { display: flex; gap: .3rem; }
.bot-mini { padding: .3rem .55rem; border-radius: 7px; border: 1px solid var(--border); color: var(--text-dim); font-size: .7rem; }
.bot-mini:hover { color: var(--text); border-color: var(--text-dim); }
.bot-mini--add { color: var(--accent); border-color: rgba(0,198,162,.5); font-weight: 700; }
.bot-mini--add:hover { background: var(--accent); color: #06121f; }
.bot-form { display: flex; gap: .5rem; padding: .8rem; border-top: 1px solid var(--border); }
.bot-form input { flex: 1; min-width: 0; padding: .65rem .8rem; border-radius: 10px; border: 1px solid var(--border);
  background: rgba(10,14,26,.65); color: var(--text); font-size: .85rem; }
.bot-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.bot-form button { width: 40px; flex: none; border-radius: 10px; background: var(--accent); color: #06121f; display: grid; place-items: center; }

/* =============================================================
   15. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dna-scene { animation: none; }
  .splash-halo, .splash-load, .sw-name { animation: none; }
  .brand-mark::after { animation: none; }
  .circuit-bg .node, .liquid-wave, .float-label { animation: none; }
  .chart-dot, .ligand, .signal { animation: none; }
  .particles { display: none; }
  .form-scan, .ticker-track, .fm-ring { animation: none; }
}