/* ============================================================
   THEROS · Hipnoterapia — Metamorfosis (facelift mariposa)
   Paleta tierra cálida + iridiscencia de mariposa + animación
   ============================================================ */

:root {
  /* Base cálida (marca) */
  --ink:        #2c1822;   /* tinta aubergine profunda */
  --brown-dark: #3a2417;
  --brown-med:  #6b4a30;
  --brown-soft: #9c7c57;
  --beige:      #f4ead9;
  --beige-2:    #efe1cd;
  --cream:      #fbf7f1;
  --paper:      #fffdf9;

  /* Acentos marca */
  --terra:      #cf7440;
  --terra-dark: #b05f30;
  --gold:       #c9a25a;

  /* Iridiscencia de mariposa (color que se añade por secciones) */
  --amethyst:   #7b5ea7;   /* trance / calma */
  --jade:       #3f8f7a;   /* sanación / naturaleza */
  --rose:       #b5527a;   /* emoción / corazón */
  --sky:        #5b86b3;

  /* Acento temático por sección (se sobreescribe en cada bloque) */
  --accent:     var(--terra);
  --accent-2:   var(--gold);

  --nav-h: 72px;
  --radius: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 50px -28px rgba(44,24,34,.45);
  --shadow-card: 0 24px 60px -34px rgba(44,24,34,.55);
  --shadow-hover: 0 34px 80px -32px rgba(44,24,34,.6);
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Montserrat', system-ui, sans-serif;

  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* ====== Polvo de mariposa (canvas global) ====== */
#butterfly-dust {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 14px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  color: var(--brown-dark);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

section[id], header[id] { scroll-margin-top: calc(var(--nav-h) + 14px); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 2rem; }

::selection { background: color-mix(in oklab, var(--accent) 30%, white); color: var(--ink); }

/* ====== Tipografía utilitaria ====== */
.eyebrow {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .65rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1.5px;
  background: currentColor;
  display: inline-block;
  opacity: .6;
}
.eyebrow.center { justify-content: center; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; line-height: 1.15; color: var(--ink); }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 3.2rem; }
.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin: .8rem 0 1rem;
  letter-spacing: -.01em;
}
.section-head p { font-size: 1.08rem; color: var(--brown-med); }

/* ============================================================
   MARIPOSAS — aleteo 3D reutilizable
   ============================================================ */
.bfly { position: relative; display: inline-block; perspective: 900px; transform-style: preserve-3d; aspect-ratio: 1432 / 1172; }
.bfly .wing {
  position: absolute; top: 0;
  width: 50%; height: 100%;
  background-size: contain; background-repeat: no-repeat;
  will-change: transform;
}
.bfly .wing.l {
  left: 0; right: 50%;
  background-image: url('../assets/wing-left.png');
  background-position: right center;
  transform-origin: right center;
  animation: flapL 2.6s var(--ease) infinite;
}
.bfly .wing.r {
  right: 0; left: 50%;
  background-image: url('../assets/wing-right.png');
  background-position: left center;
  transform-origin: left center;
  animation: flapR 2.6s var(--ease) infinite;
}
/* spacer keeps intrinsic box (724x1172 each wing -> pair ~1448x1172 => ratio ~1.237) */
.bfly .spacer { display: block; width: 100%; visibility: hidden; }

@keyframes flapL {
  0%,100% { transform: rotateY(12deg); }
  50%     { transform: rotateY(66deg); }
}
@keyframes flapR {
  0%,100% { transform: rotateY(-12deg); }
  50%     { transform: rotateY(-66deg); }
}

@media (prefers-reduced-motion: reduce) {
  .bfly .wing.l, .bfly .wing.r { animation: none !important; }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; inset: 0 0 auto 0;
  z-index: 1500; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .45s var(--ease), box-shadow .45s var(--ease), backdrop-filter .45s;
}
.navbar.scrolled {
  background: color-mix(in oklab, var(--cream) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  box-shadow: 0 1px 0 rgba(44,24,34,.07), 0 14px 30px -26px rgba(44,24,34,.5);
}
.nav-inner {
  max-width: var(--maxw); width: 100%;
  margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--serif); font-size: 1.32rem; font-weight: 700;
  color: var(--ink); text-decoration: none; letter-spacing: .3px;
  transition: color .4s var(--ease);
}
.nav-logo .logo-bfly { width: 30px; height: 25px; flex-shrink: 0; }
.nav-logo b { font-weight: 700; }
.nav-logo span { font-weight: 400; font-style: italic; color: var(--brown-med); font-size: .92em; }
.navbar:not(.scrolled) .nav-logo,
.navbar:not(.scrolled) .nav-logo span { color: #fff; text-shadow: 0 2px 18px rgba(20,8,14,.55); }

.nav-links { list-style: none; display: flex; align-items: center; gap: .35rem; }
.nav-links a {
  display: inline-block; padding: .5rem .85rem;
  font-size: .86rem; font-weight: 600; letter-spacing: .01em;
  color: var(--brown-dark); text-decoration: none; border-radius: var(--radius-pill);
  transition: color .25s, background .25s;
  position: relative;
}
.navbar:not(.scrolled) .nav-links a { color: rgba(255,255,255,.92); text-shadow: 0 1px 10px rgba(20,8,14,.5); }
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .28rem;
  height: 1.5px; background: var(--accent); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a.active:not(.nav-cta)::after { transform: scaleX(1); }
.nav-links a.active:not(.nav-cta) { color: var(--accent); }

.nav-cta {
  background: var(--ink); color: #fff !important;
  padding: .62rem 1.25rem !important; margin-left: .5rem;
  font-weight: 700; box-shadow: 0 12px 26px -14px rgba(44,24,34,.8);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
}
.nav-cta:hover { transform: translateY(-2px); background: var(--terra-dark); box-shadow: 0 18px 34px -14px rgba(176,95,48,.7); }
.navbar:not(.scrolled) .nav-cta { background: rgba(255,255,255,.16); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.4); text-shadow: none; }
.navbar:not(.scrolled) .nav-cta:hover { background: #fff; color: var(--ink) !important; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; height: 2px; width: 24px; margin: 0 auto; background: var(--ink); border-radius: 2px; transition: .3s var(--ease); }
.navbar:not(.scrolled) .nav-toggle span { background: #fff; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  overflow: hidden;
  background: linear-gradient(160deg, #1c1018 0%, #341f2a 42%, #4a2c22 100%);
  isolation: isolate;
}

/* Aurora iridiscente */
.hero-aurora { position: absolute; inset: -20%; z-index: 0; filter: blur(60px); opacity: .8; }
.hero-aurora span {
  position: absolute; border-radius: 50%;
  mix-blend-mode: screen; opacity: .55;
}
.aur-1 { width: 46vw; height: 46vw; left: -6%; top: 8%;  background: radial-gradient(circle, var(--amethyst), transparent 65%); animation: drift1 18s ease-in-out infinite; }
.aur-2 { width: 42vw; height: 42vw; right: -8%; top: -6%; background: radial-gradient(circle, var(--terra), transparent 65%);    animation: drift2 22s ease-in-out infinite; }
.aur-3 { width: 50vw; height: 50vw; left: 18%; bottom: -22%; background: radial-gradient(circle, var(--jade), transparent 66%);   animation: drift3 26s ease-in-out infinite; }
.aur-4 { width: 34vw; height: 34vw; right: 6%; bottom: -10%; background: radial-gradient(circle, var(--rose), transparent 66%);    animation: drift1 20s ease-in-out infinite reverse; }
@keyframes drift1 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(6%, -5%) scale(1.12); } }
@keyframes drift2 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-7%, 6%) scale(1.1); } }
@keyframes drift3 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(5%, -4%) scale(1.15); } }

/* grano sutil */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0);
  background-size: 4px 4px; opacity: .5;
}

/* Mariposa gigante del hero */
.hero-bfly-wrap {
  position: absolute; z-index: 1;
  left: 50%; top: 46%; transform: translate(-50%,-50%);
  width: min(78vw, 560px);
  filter: drop-shadow(0 40px 60px rgba(0,0,0,.45));
  animation: heroFloat 9s ease-in-out infinite;
  opacity: .9;
}
.hero-bfly-wrap .bfly { width: 100%; }
.hero-bfly-wrap .wing { filter: drop-shadow(0 0 24px color-mix(in oklab, var(--accent) 60%, transparent)); }
/* iridiscencia: tinta las alas en bucle */
.hero-bfly-wrap .wing.l, .hero-bfly-wrap .wing.r {
  animation-duration: 3s, 14s;
}
.hero-bfly-wrap .wing.l { animation-name: flapL, irid; }
.hero-bfly-wrap .wing.r { animation-name: flapR, irid; }
@keyframes irid {
  0%,100% { filter: drop-shadow(0 0 26px rgba(123,94,167,.6))   saturate(1)   hue-rotate(0deg); }
  33%     { filter: drop-shadow(0 0 30px rgba(207,116,64,.6))   saturate(1.1) hue-rotate(0deg); }
  66%     { filter: drop-shadow(0 0 30px rgba(63,143,122,.55))  saturate(1.1) hue-rotate(0deg); }
}
@keyframes heroFloat {
  0%,100% { transform: translate(-50%,-50%) translateY(0) rotate(-1deg); }
  50%     { transform: translate(-50%,-50%) translateY(-22px) rotate(1.5deg); }
}

/* halo detrás de la mariposa */
.hero-halo {
  position: absolute; z-index: 0; left: 50%; top: 46%;
  width: 60vmin; height: 60vmin; transform: translate(-50%,-50%);
  background: radial-gradient(circle, rgba(201,162,90,.25), transparent 60%);
  animation: haloPulse 6s ease-in-out infinite;
}
@keyframes haloPulse { 0%,100%{ opacity:.5; transform: translate(-50%,-50%) scale(.95);} 50%{ opacity:.85; transform: translate(-50%,-50%) scale(1.08);} }

/* Notificación superior */
.notification-bar {
  position: relative; z-index: 3;
  margin-top: var(--nav-h);
  background: color-mix(in oklab, var(--cream) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.15);
  padding: .7rem 1.5rem;
  display: flex; align-items: center; justify-content: center; gap: 1.5rem;
  flex-wrap: wrap; text-align: center;
  color: var(--ink);
}
.notification-bar span:not(.pulse-dot) { color: var(--ink); }
.notification-bar .pulse-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--terra); flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(207,116,64,.5); animation: pulse 2s infinite;
}
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(207,116,64,.5);} 70%{box-shadow:0 0 0 12px rgba(207,116,64,0);} 100%{box-shadow:0 0 0 0 rgba(207,116,64,0);} }
.notification-bar strong { color: var(--ink); font-weight: 700; }
.notification-bar span.sep { color: var(--brown-soft); }
.notification-bar small { color: var(--brown-med); font-size: .82rem; }

/* Contenido hero */
.hero-content {
  position: relative; z-index: 3;
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end;
  text-align: center; padding: 3rem 1.5rem clamp(2.5rem, 7vh, 5rem);
}
.hero-content .container { max-width: 920px; }
.hero h1 {
  font-size: clamp(2.1rem, 5.6vw, 4.3rem);
  color: #fff; letter-spacing: -.015em; line-height: 1.08;
  text-shadow: 0 6px 40px rgba(0,0,0,.5);
  text-wrap: balance;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--gold), var(--terra) 50%, var(--rose));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .subtitle {
  font-family: var(--sans);
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  color: rgba(255,255,255,.9); font-weight: 400;
  max-width: 640px; margin: 1.4rem auto 0;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
  text-wrap: pretty;
}
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2.2rem; }

/* Botones */
.btn {
  --b: var(--ink);
  display: inline-flex; align-items: center; gap: .6rem;
  padding: 1rem 2rem; border-radius: var(--radius-pill);
  font-family: var(--sans); font-size: .92rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; text-decoration: none;
  cursor: pointer; border: 1.5px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
  position: relative; overflow: hidden;
}
.btn.primary { background: linear-gradient(120deg, var(--terra), var(--terra-dark)); color: #fff; box-shadow: 0 18px 40px -16px rgba(176,95,48,.75); }
.btn.primary:hover { transform: translateY(-3px); box-shadow: 0 26px 52px -16px rgba(176,95,48,.85); }
.btn.secondary { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.55); backdrop-filter: blur(6px); }
.btn.secondary:hover { background: #fff; color: var(--ink); transform: translateY(-3px); }
.btn.dark { background: var(--ink); color: #fff; box-shadow: 0 16px 36px -16px rgba(44,24,34,.7); }
.btn.dark:hover { transform: translateY(-3px); background: var(--terra-dark); box-shadow: 0 24px 46px -16px rgba(176,95,48,.7); }
.btn.ghost { background: transparent; color: var(--ink); border-color: color-mix(in oklab, var(--ink) 25%, transparent); }
.btn.ghost:hover { background: var(--ink); color: #fff; transform: translateY(-3px); }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* Scroll cue */
.hero-scroll {
  position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%);
  z-index: 3; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5);
  border-radius: 14px; display: flex; justify-content: center; padding-top: 8px;
}
.hero-scroll span { width: 4px; height: 8px; background: #fff; border-radius: 2px; animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { 0%{opacity:0; transform: translateY(0);} 40%{opacity:1;} 80%{opacity:0; transform: translateY(12px);} 100%{opacity:0;} }

/* ============================================================
   Mariposas flotantes globales (capa decorativa)
   ============================================================ */
.floating-bflies { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1; }
.mini-bfly { position: absolute; opacity: 0; will-change: transform; }

/* ============================================================
   SECCIONES — base
   ============================================================ */
.sec { position: relative; padding: clamp(4rem, 8vw, 7rem) 0; }
.sec-cream { background: var(--cream); }
.sec-paper { background: var(--paper); }
.sec-beige { background: linear-gradient(180deg, var(--beige) 0%, var(--beige-2) 100%); }

/* Banda decorativa con matiz de sección */
.tint-edge::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .5;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; } }

/* ============================================================
   THEROS intro
   ============================================================ */
.theros { --accent: var(--amethyst); overflow: hidden; }
.theros .inner {
  display: grid; grid-template-columns: 320px 1fr; gap: 4rem; align-items: center;
  max-width: 980px; margin: 0 auto;
}
.theros-emblem {
  position: relative; aspect-ratio: 1; display: grid; place-items: center;
}
.theros-emblem .ring {
  position: absolute; inset: 0; border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in oklab, var(--amethyst) 18%, transparent), transparent 62%);
}
.theros-emblem .ring::before, .theros-emblem .ring::after {
  content: ""; position: absolute; inset: 8%; border-radius: 50%;
  border: 1.5px dashed color-mix(in oklab, var(--amethyst) 40%, transparent);
  animation: spin 40s linear infinite;
}
.theros-emblem .ring::after { inset: 20%; border-style: dotted; animation-duration: 28s; animation-direction: reverse; opacity: .6; }
@keyframes spin { to { transform: rotate(360deg); } }
.theros-emblem .bfly { width: 64%; z-index: 2; }
.theros-emblem .wing { filter: drop-shadow(0 8px 18px rgba(123,94,167,.35)); }
.theros-text .eyebrow { color: var(--amethyst); }
.theros-text h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin: .7rem 0 1.1rem; }
.theros-text p { font-size: 1.1rem; color: var(--brown-med); }
.theros-text strong { color: var(--ink); }

/* ============================================================
   SERVICIOS
   ============================================================ */
.servicios { --accent: var(--jade); }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.s-card {
  position: relative; background: var(--paper);
  border: 1px solid rgba(44,24,34,.07); border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem; box-shadow: var(--shadow-soft);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
  overflow: hidden;
}
.s-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.s-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: color-mix(in oklab, var(--accent) 30%, transparent); }
.s-card:hover::before { transform: scaleX(1); }
.s-icon {
  width: 62px; height: 62px; border-radius: 18px; margin-bottom: 1.3rem;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 60%, var(--ink)));
  box-shadow: 0 14px 28px -12px color-mix(in oklab, var(--accent) 70%, transparent);
  transition: transform .5s var(--ease);
}
.s-card:hover .s-icon { transform: rotate(-6deg) scale(1.06); }
.s-icon svg { width: 30px; height: 30px; }
.s-card h3 { font-family: var(--sans); font-weight: 700; font-size: 1.12rem; color: var(--ink); margin-bottom: .6rem; }
.s-card p { font-size: .97rem; color: var(--brown-med); }

/* ============================================================
   BENEFICIOS
   ============================================================ */
.beneficios { --accent: var(--terra); }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.benefit {
  display: flex; gap: 1.4rem; align-items: flex-start;
  background: var(--paper); border: 1px solid rgba(44,24,34,.07);
  border-radius: var(--radius-lg); padding: 1.9rem; box-shadow: var(--shadow-soft);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.benefit:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.benefit-img {
  width: 76px; height: 76px; flex-shrink: 0; border-radius: 20px;
  background: linear-gradient(150deg, var(--beige), #fff);
  display: grid; place-items: center; box-shadow: inset 0 0 0 1px rgba(201,162,90,.25);
}
.benefit-img img { width: 80%; height: 80%; object-fit: contain; filter: drop-shadow(0 4px 6px rgba(0,0,0,.12)); }
.benefit h3 { font-family: var(--sans); font-weight: 700; font-size: 1.08rem; color: var(--ink); margin-bottom: .5rem; line-height: 1.35; }
.benefit p { font-size: .96rem; color: var(--brown-med); }

/* ============================================================
   PÚBLICO
   ============================================================ */
.publico { --accent: var(--rose); color: #fff; overflow: hidden;
  background: linear-gradient(155deg, #2c1822, #44232f 60%, #5a2c33); }
.publico .inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items: center; }
.publico .eyebrow { color: color-mix(in oklab, var(--rose) 75%, white); }
.publico h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); margin: .8rem 0 1.2rem; }
.publico p.lead { font-size: 1.12rem; color: rgba(255,255,255,.85); margin-bottom: 2rem; }
.publico p.lead strong { color: #fff; }
.publico-chips { display: flex; flex-direction: column; gap: .9rem; max-width: 360px; }
.chip-link {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 1.6rem; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  color: #fff; text-decoration: none; font-weight: 600; font-size: .95rem;
  backdrop-filter: blur(6px);
  transition: background .35s, transform .35s var(--ease), border-color .35s;
}
.chip-link:hover { background: #fff; color: var(--ink); transform: translateX(6px); border-color: #fff; }
.chip-link .num { font-family: var(--serif); font-size: 1.4rem; opacity: .55; }
.publico-visual { position: relative; aspect-ratio: 4/4.4; }
.publico-visual .pv-card {
  position: absolute; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 30px 60px -28px rgba(0,0,0,.6); border: 3px solid rgba(255,255,255,.12);
}
.publico-visual .pv-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pv-1 { inset: 0 28% 30% 0; z-index: 2; animation: floatA 8s ease-in-out infinite; }
.pv-2 { inset: 36% 0 0 34%; z-index: 1; animation: floatB 9s ease-in-out infinite; }
@keyframes floatA { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-14px); } }
@keyframes floatB { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(12px); } }

/* ============================================================
   TRANSFORMACIÓN (metamorfosis)
   ============================================================ */
.transforma { --accent: var(--gold); background: var(--cream); }
.transforma .section-head h2 .grad { background: linear-gradient(100deg, var(--terra), var(--amethyst)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metamorf { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.6rem; counter-reset: meta; }
.meta-block {
  position: relative; background: var(--paper); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-soft); transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.meta-block:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.meta-img { height: 220px; overflow: hidden; position: relative; }
.meta-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.meta-block:hover .meta-img img { transform: scale(1.07); }
.meta-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(44,24,34,.55)); }
.meta-stage {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-family: var(--serif); font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: #fff; background: color-mix(in oklab, var(--accent) 80%, var(--ink)); padding: .35rem .85rem; border-radius: var(--radius-pill);
}
.meta-body { padding: 1.7rem 1.7rem 2rem; }
.meta-body h3 { font-family: var(--sans); font-weight: 700; font-size: 1.18rem; color: var(--ink); margin-bottom: .7rem; }
.meta-body p { font-size: .97rem; color: var(--brown-med); }

/* ============================================================
   INSTRUCTORA
   ============================================================ */
.instructora { --accent: var(--terra); background: linear-gradient(180deg, var(--beige), var(--beige-2)); }
.instructora .inner { display: grid; grid-template-columns: 360px 1fr; gap: 3.5rem; align-items: center; }
.instr-photo { position: relative; }
.instr-photo .frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-card); border: 4px solid var(--paper); z-index: 2;
}
.instr-photo .frame img { width: 100%; display: block; aspect-ratio: 3/3.4; object-fit: cover; }
.instr-photo .blob {
  position: absolute; inset: -8% -10% -8% 10%; z-index: 1; border-radius: 46% 54% 58% 42% / 54% 44% 56% 46%;
  background: linear-gradient(140deg, var(--terra), var(--gold)); opacity: .35;
  animation: morph 12s ease-in-out infinite;
}
@keyframes morph {
  0%,100% { border-radius: 46% 54% 58% 42% / 54% 44% 56% 46%; }
  50% { border-radius: 56% 44% 40% 60% / 42% 58% 42% 58%; }
}
.instr-photo .badge {
  position: absolute; bottom: -18px; right: -10px; z-index: 3;
  background: var(--ink); color: #fff; border-radius: var(--radius);
  padding: .9rem 1.2rem; box-shadow: var(--shadow-card); text-align: center; line-height: 1.1;
}
.instr-photo .badge b { font-family: var(--serif); font-size: 1.7rem; display: block; color: var(--gold); }
.instr-photo .badge small { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.instr-text .eyebrow { color: var(--terra); }
.instr-text h2 { font-size: clamp(1.9rem,3.4vw,2.7rem); margin: .7rem 0 .4rem; }
.instr-name { font-family: var(--sans); font-weight: 600; color: var(--brown-med); margin-bottom: 1.4rem; font-size: 1rem; letter-spacing: .02em; }
.instr-text p { color: var(--brown-med); margin-bottom: 1rem; font-size: 1.03rem; }
.instr-social { display: flex; gap: .7rem; margin-top: 1.5rem; }
.instr-social a {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  border: 1.5px solid color-mix(in oklab, var(--ink) 22%, transparent); color: var(--ink);
  transition: background .3s, color .3s, transform .3s var(--ease), border-color .3s;
}
.instr-social a:hover { background: var(--ink); color: #fff; transform: translateY(-3px); border-color: var(--ink); }
.instr-social svg { width: 22px; height: 22px; }

/* ============================================================
   METODOLOGÍA
   ============================================================ */
.metodologia { --accent: var(--amethyst); color: #fff; overflow: hidden;
  background: linear-gradient(160deg, #211421, #36203a 55%, #2c1822); }
.metodologia .section-head h2 { color: #fff; }
.metodologia .section-head p { color: rgba(255,255,255,.78); }
.metodologia .eyebrow { color: color-mix(in oklab, var(--amethyst) 70%, white); }
.metod-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; }
.metod-item {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 1.7rem 1.3rem; backdrop-filter: blur(4px);
  transition: transform .4s var(--ease), background .4s, border-color .4s;
}
.metod-item:hover { transform: translateY(-6px); background: rgba(255,255,255,.1); border-color: color-mix(in oklab, var(--amethyst) 50%, transparent); }
.metod-num { font-family: var(--serif); font-size: 2.4rem; font-weight: 700;
  background: linear-gradient(120deg, var(--gold), var(--amethyst)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: .6rem; }
.metod-item h3 { font-family: var(--sans); font-weight: 700; font-size: 1rem; color: #fff; margin-bottom: .55rem; }
.metod-item p { font-size: .88rem; color: rgba(255,255,255,.72); }

/* ============================================================
   AGENDA
   ============================================================ */
.agenda { --accent: var(--jade); background: var(--cream); }
.agenda-shell { display: grid; grid-template-columns: 130px 1fr; gap: 2.5rem; align-items: start; max-width: 1100px; margin: 0 auto; }
.agenda-side { position: sticky; top: calc(var(--nav-h) + 2rem); }
.agenda-side .vlabel {
  font-family: var(--serif); font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 700;
  writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .1em;
  color: transparent; -webkit-text-stroke: 1.5px color-mix(in oklab, var(--jade) 55%, var(--ink));
  line-height: 1;
}
.agenda-main { min-width: 0; }
.agenda-tabs { display: flex; gap: .7rem; margin-bottom: 1.8rem; flex-wrap: wrap; }
.agenda-tab {
  padding: .7rem 1.5rem; border-radius: var(--radius-pill); border: 1.5px solid color-mix(in oklab, var(--ink) 14%, transparent);
  background: var(--paper); color: var(--brown-med); font-family: var(--sans); font-weight: 600; font-size: .9rem;
  cursor: pointer; transition: all .3s var(--ease);
}
.agenda-tab:hover { border-color: var(--jade); color: var(--ink); }
.agenda-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: 0 12px 26px -14px rgba(44,24,34,.6); }
.agenda-panel { display: none; }
.agenda-panel.active { display: block; animation: fadeUp .5s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.agenda-panel { background: var(--paper); border: 1px solid rgba(44,24,34,.08); border-radius: var(--radius-lg); padding: 2.4rem 2.6rem; box-shadow: var(--shadow-soft); }
.agenda-panel > h3 { font-size: 1.55rem; color: var(--ink); margin-bottom: 1.6rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(44,24,34,.1); }
.agenda-list { list-style: none; counter-reset: ag; display: flex; flex-direction: column; gap: 1.3rem; }
.agenda-list > li { position: relative; padding-left: 3.1rem; counter-increment: ag; }
.agenda-list > li::before {
  content: counter(ag, decimal-leading-zero); position: absolute; left: 0; top: -.15em;
  font-family: var(--serif); font-weight: 600; font-size: 1.35rem; font-style: italic;
  color: var(--jade); letter-spacing: -.02em;
}
.agenda-list > li::after {
  content: ""; position: absolute; left: .15rem; top: 2.1rem; bottom: -1rem; width: 1px;
  background: linear-gradient(180deg, color-mix(in oklab, var(--jade) 40%, transparent), transparent);
}
.agenda-list > li:last-child::after { display: none; }
.agenda-list > li > strong { display: block; color: var(--ink); font-family: var(--sans); font-weight: 700; margin-bottom: .5rem; font-size: 1.02rem; }
.agenda-list ul { list-style: none; padding-left: 0; }
.agenda-list ul li { position: relative; padding-left: 1.3rem; color: var(--brown-med); font-size: .94rem; margin-bottom: .35rem; }
.agenda-list ul li::before { content: "✦"; position: absolute; left: 0; top: .05em; font-size: .62rem; color: color-mix(in oklab, var(--jade) 65%, var(--gold)); }
.agenda-banner {
  margin-top: 2rem; text-align: center; padding: 1rem; border-radius: var(--radius-pill);
  background: var(--ink); color: var(--cream); font-weight: 700; letter-spacing: .18em; font-size: .85rem; overflow: hidden; position: relative;
}
.agenda-banner span { display: inline-block; animation: marquee 16s linear infinite; white-space: nowrap; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   TÉCNICAS
   ============================================================ */
.tecnicas { --accent: var(--terra); background: var(--paper); }
.tec-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.3rem; }
.tec-item {
  position: relative; padding: 2rem 1.7rem; border-radius: var(--radius-lg);
  background: var(--cream); border: 1px solid rgba(44,24,34,.07);
  transition: transform .4s var(--ease), box-shadow .4s, background .4s;
  overflow: hidden;
}
.tec-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.tec-item .tec-mark {
  font-family: var(--serif); font-size: 2.2rem; line-height: 1; color: transparent;
  -webkit-text-stroke: 1px color-mix(in oklab, var(--terra) 55%, transparent); margin-bottom: .8rem; display: block;
}
.tec-item h3 { font-family: var(--sans); font-weight: 700; font-size: 1rem; letter-spacing: .04em; color: var(--ink); margin-bottom: .6rem; text-transform: uppercase; }
.tec-item p { font-size: .94rem; color: var(--brown-med); }

/* ============================================================
   RESERVA + PRECIO
   ============================================================ */
.reserva { --accent: var(--gold); color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(155deg, #2c1822, #4a2c22 60%, #6b4a30); }
.reserva::before {
  content: ""; position: absolute; inset: 0; opacity: .12; z-index: 0;
  background-image: url('../assets/butterfly-full.png'); background-size: 520px; background-position: 110% 120%; background-repeat: no-repeat;
}
.reserva .inner { position: relative; z-index: 2; }
.reserva-top { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 3rem; align-items: start; }
.reserva-top .vline { background: rgba(255,255,255,.2); width: 1px; height: 100%; min-height: 320px; }
.reserva h2 { color: #fff; font-size: clamp(1.9rem,3.4vw,2.7rem); margin-bottom: 1.1rem; }
.reserva p, .reserva li { color: rgba(255,255,255,.85); }
.reserva .eyebrow { color: color-mix(in oklab, var(--gold) 80%, white); }
.modalidad-info p { margin-bottom: .7rem; }
.modalidad-info strong, .reserva-right h3, .reserva-right h4 { color: #fff; }
.reserva-right h3 { font-size: 1.5rem; margin-bottom: 1.1rem; }
.reserva-right h4 { font-family: var(--sans); font-weight: 700; font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; margin: 1.5rem 0 .8rem; color: var(--gold); }
.receive-list { list-style: none; display: flex; flex-direction: column; gap: .65rem; }
.receive-list li { position: relative; padding-left: 1.8rem; font-size: .96rem; }
.receive-list li::before { content: "✦"; position: absolute; left: 0; color: var(--gold); }
.price-card {
  margin: 3rem auto 0; max-width: 560px; text-align: center;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg); padding: 2.4rem; backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px -34px rgba(0,0,0,.7);
}
.price-card .regular { font-size: 1.05rem; opacity: .7; text-decoration: line-through; margin-bottom: .3rem; }
.price-card .offer { font-family: var(--serif); font-size: clamp(2.6rem,6vw,3.6rem); font-weight: 700; line-height: 1;
  background: linear-gradient(110deg, var(--gold), var(--terra)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-card .note { font-size: .9rem; margin-top: .8rem; }
.price-card .note strong { color: #fff; }
.price-card .stripe { font-size: .8rem; opacity: .65; margin-top: .4rem; }
.price-card .btn { margin-top: 1.6rem; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto { --accent: var(--jade); background: linear-gradient(180deg, var(--beige), var(--beige-2)); }
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.contact-card { background: var(--paper); border-radius: var(--radius-lg); padding: 2.6rem; box-shadow: var(--shadow-soft); border: 1px solid rgba(44,24,34,.07); }
.contact-card h2 { font-size: 1.7rem; margin-bottom: 1rem; }
.contact-card p { color: var(--brown-med); margin-bottom: 1.6rem; }
.btn-whatsapp { background: #25D366; color: #fff; box-shadow: 0 16px 36px -16px rgba(37,211,102,.7); }
.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 24px 46px -16px rgba(37,211,102,.8); background: #1ebe5a; }
.pay-row { display: flex; gap: .8rem; margin-bottom: 1rem; }
.pay-ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--beige); color: var(--brown-dark); }
.pay-ic svg { width: 26px; height: 26px; }
.stripe-powered { font-size: .9rem; color: var(--brown-med); }
.stripe-powered strong { color: var(--ink); }

/* ============================================================
   BONUS
   ============================================================ */
.bonus { --accent: var(--rose); background: var(--cream); text-align: center; }
.bonus .inner {
  position: relative; max-width: 760px; margin: 0 auto; padding: clamp(2.5rem,5vw,4rem);
  background: linear-gradient(150deg, #fff, var(--beige)); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); border: 1px solid rgba(201,162,90,.3); overflow: hidden;
}
.bonus .inner::before {
  content: ""; position: absolute; inset: 0; opacity: .06; z-index: 0;
  background-image: url('../assets/butterfly-full.png'); background-size: 340px; background-position: center; background-repeat: no-repeat;
}
.bonus .inner > * { position: relative; z-index: 2; }
.bonus-badge { display: inline-block; font-family: var(--serif); font-size: .9rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--rose); border: 1.5px solid color-mix(in oklab, var(--rose) 40%, transparent); padding: .4rem 1.2rem; border-radius: var(--radius-pill); margin-bottom: 1.4rem; }
.bonus h2 { font-size: clamp(1.6rem,3.2vw,2.3rem); margin-bottom: 1.1rem; }
.bonus h2 .grad { background: linear-gradient(100deg, var(--rose), var(--terra)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bonus p { color: var(--brown-med); max-width: 560px; margin: 0 auto 2rem; }

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonios { --accent: var(--amethyst); background: linear-gradient(180deg, var(--beige-2), var(--beige)); }
.carousel-wrap { position: relative; max-width: 1000px; margin: 0 auto; padding: 0 60px; }
.carousel-viewport { overflow: hidden; border-radius: var(--radius-lg); }
.carousel-track { display: flex; gap: 1.6rem; transition: transform .6s var(--ease); }
.t-card { flex: 0 0 calc(50% - .8rem); min-width: 0; max-width: calc(50% - .8rem); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); border: 3px solid var(--paper); background: var(--paper); }
.t-card img { width: 100%; height: auto; display: block; }
.car-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(44,24,34,.12);
  background: var(--paper); color: var(--ink); font-size: 1.6rem; cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--shadow-soft);
  transition: transform .3s var(--ease), background .3s;
}
.car-arrow:hover { background: var(--ink); color: #fff; transform: translateY(-50%) scale(1.08); }
.car-prev { left: 0; } .car-next { right: 0; }
.car-dots { display: flex; gap: .5rem; justify-content: center; margin-top: 1.8rem; }
.car-dots button { width: 9px; height: 9px; border-radius: 50%; border: 0; background: color-mix(in oklab, var(--ink) 22%, transparent); cursor: pointer; transition: .3s; padding: 0; }
.car-dots button.active { background: var(--amethyst); width: 26px; border-radius: 5px; }
.testimonios .btn { margin: 2.4rem auto 0; display: flex; width: fit-content; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink); color: rgba(255,255,255,.82); padding: 4rem 0 2rem; position: relative; overflow: hidden; }
.footer::before {
  content: ""; position: absolute; inset: auto -5% -40% auto; width: 360px; height: 360px; opacity: .06;
  background-image: url('../assets/butterfly-full.png'); background-size: contain; background-repeat: no-repeat;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.4rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.12); position: relative; z-index: 2; }
.footer-brand .nav-logo { color: #fff; font-size: 1.4rem; margin-bottom: 1rem; }
.footer-brand .nav-logo span { color: rgba(255,255,255,.7); }
.footer-brand p { font-size: .95rem; max-width: 320px; margin-bottom: 1.3rem; }
.footer-social { display: flex; gap: .7rem; }
.footer-social a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); color: #fff; transition: .3s var(--ease); }
.footer-social a:hover { background: #fff; color: var(--ink); transform: translateY(-3px); }
.footer-social svg { width: 20px; height: 20px; }
.footer-col h4 { font-family: var(--sans); font-weight: 700; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: #fff; margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.footer-col a { color: rgba(255,255,255,.75); text-decoration: none; font-size: .92rem; transition: color .25s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { text-align: center; padding-top: 1.8rem; font-size: .85rem; color: rgba(255,255,255,.55); position: relative; z-index: 2; }
.footer-bottom a { color: var(--gold); text-decoration: none; }

/* ============================================================
   FLOTANTES
   ============================================================ */
.whatsapp-float {
  position: fixed; bottom: 1.6rem; right: 1.6rem; z-index: 1200;
  width: 60px; height: 60px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; text-decoration: none;
  box-shadow: 0 16px 40px -12px rgba(37,211,102,.6); transition: transform .3s var(--ease);
}
.whatsapp-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: pulse 2.4s infinite; }
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 32px; height: 32px; }

.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 2000;
  background: var(--ink); color: rgba(255,255,255,.9);
  padding: 1rem 1.6rem; display: flex; align-items: center; justify-content: center; gap: 1.4rem; flex-wrap: wrap;
  box-shadow: 0 -10px 30px -16px rgba(0,0,0,.5); transform: translateY(120%); transition: transform .5s var(--ease);
}
.cookie-banner.show { transform: none; }
.cookie-banner .ctext { font-size: .88rem; max-width: 640px; }
.cookie-banner a { color: var(--gold); }
.cookie-actions { display: flex; gap: .7rem; }
.cookie-btn { padding: .6rem 1.3rem; border: 0; border-radius: var(--radius-pill); font-family: var(--sans); font-weight: 600; font-size: .82rem; cursor: pointer; transition: opacity .25s, transform .25s; }
.cookie-accept { background: var(--terra); color: #fff; }
.cookie-reject { background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff; }
.cookie-btn:hover { transform: translateY(-2px); }

/* ============================================================
   ACCESO CAMPUS (nav) + PLATAFORMA
   ============================================================ */
.nav-links a.nav-campus {
  display: inline-flex; align-items: center; gap: .42rem;
  border: 1.5px solid color-mix(in oklab, var(--ink) 22%, transparent);
  padding: .5rem 1rem !important;
}
.nav-links a.nav-campus svg { width: 16px; height: 16px; }
.nav-links a.nav-campus::after { display: none; }
.nav-links a.nav-campus:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.navbar:not(.scrolled) .nav-links a.nav-campus { border-color: rgba(255,255,255,.5); }
.navbar:not(.scrolled) .nav-links a.nav-campus:hover { background: #fff; color: var(--ink) !important; }

.plataforma { --accent: var(--gold); background: linear-gradient(180deg, var(--beige), var(--beige-2)); }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; max-width: 940px; margin: 0 auto; }
.platform-grid.single { grid-template-columns: 1fr; max-width: 560px; }
.platform-card {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; gap: .35rem 1.3rem;
  align-items: start; text-decoration: none; position: relative; overflow: hidden;
  background: var(--paper); border: 1px solid rgba(44,24,34,.08); border-radius: var(--radius-lg);
  padding: 2rem; box-shadow: var(--shadow-soft);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.platform-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--terra)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.platform-card.alt::before { background: linear-gradient(90deg, var(--amethyst), var(--accent)); }
.platform-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); border-color: color-mix(in oklab, var(--accent) 35%, transparent); }
.platform-card:hover::before { transform: scaleX(1); }
.pf-ic {
  grid-row: 1 / 3; width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--terra), var(--terra-dark));
  box-shadow: 0 14px 28px -12px rgba(176,95,48,.6); transition: transform .5s var(--ease);
}
.platform-card.alt .pf-ic { background: linear-gradient(135deg, var(--amethyst), #5a4080); box-shadow: 0 14px 28px -12px rgba(123,94,167,.6); }
.platform-card:hover .pf-ic { transform: rotate(-6deg) scale(1.06); }
.pf-ic svg { width: 28px; height: 28px; }
.pf-body { grid-column: 2; }
.pf-kicker { font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.platform-card.alt .pf-kicker { color: var(--amethyst); }
.pf-body h3 { font-family: var(--sans); font-weight: 700; font-size: 1.2rem; color: var(--ink); margin: .2rem 0 .4rem; }
.pf-body p { font-size: .95rem; color: var(--brown-med); }
.pf-go { grid-column: 2; font-weight: 700; font-size: .9rem; color: var(--ink); display: inline-flex; align-items: center; gap: .4rem; margin-top: .9rem; }
.platform-card .pf-go .arr { transition: transform .3s var(--ease); }
.platform-card:hover .pf-go .arr { transform: translateX(5px); }

/* ====== Panel de Tweaks ====== */
#tweaks-panel {
  position: fixed; top: calc(var(--nav-h) + 14px); right: 18px; z-index: 3000;
  width: 290px; background: var(--paper); color: var(--brown-dark);
  border: 1px solid rgba(44,24,34,.1); border-radius: var(--radius);
  box-shadow: 0 30px 70px -28px rgba(44,24,34,.6); overflow: hidden;
  font-family: var(--sans); animation: twIn .35s var(--ease);
}
#tweaks-panel[hidden] { display: none; }
@keyframes twIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
.tw-head { display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: .9rem 1rem; background: linear-gradient(120deg, var(--ink), #4a2c33); color: #fff; }
.tw-title { display: flex; align-items: center; gap: .65rem; }
.tw-bfly { width: 26px; height: 21px; flex-shrink: 0;
  background: url('../assets/butterfly-full.png') center/contain no-repeat;
  filter: brightness(0) invert(1); opacity: .9; }
.tw-title strong { font-family: var(--serif); font-size: 1.05rem; display: block; line-height: 1.1; }
.tw-title small { font-size: .72rem; opacity: .75; letter-spacing: .04em; }
.tw-close { background: rgba(255,255,255,.14); border: 0; color: #fff; cursor: pointer;
  width: 28px; height: 28px; border-radius: 8px; font-size: 1.2rem; line-height: 1; transition: background .25s; }
.tw-close:hover { background: rgba(255,255,255,.28); }
.tw-body { padding: 1.2rem 1.1rem 1.3rem; }
.tw-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: .7rem; }
.tw-row label { font-size: .85rem; font-weight: 600; color: var(--ink); }
.tw-val { font-family: var(--serif); font-weight: 700; font-size: 1.1rem; color: var(--terra-dark);
  min-width: 2ch; text-align: right; }
.tw-slider { -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 5px;
  background: linear-gradient(90deg, var(--amethyst), var(--terra), var(--gold)); cursor: pointer; outline: none; }
.tw-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--terra-dark);
  box-shadow: 0 3px 10px rgba(44,24,34,.35); transition: transform .2s var(--ease); }
.tw-slider::-webkit-slider-thumb:hover { transform: scale(1.12); }
.tw-slider::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--terra-dark); box-shadow: 0 3px 10px rgba(44,24,34,.35); }
.tw-hint { font-size: .76rem; color: var(--brown-med); margin-top: .8rem; line-height: 1.5; }
@media (max-width: 760px) {
  #tweaks-panel { left: 14px; right: 14px; width: auto; top: auto; bottom: 14px; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .cards-grid, .metamorf, .tec-grid { grid-template-columns: repeat(2,1fr); }
  .metod-grid { grid-template-columns: repeat(3,1fr); }
  .theros .inner, .publico .inner, .instructora .inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .theros-emblem { max-width: 280px; margin: 0 auto; }
  .reserva-top { grid-template-columns: 1fr; }
  .reserva-top .vline { display: none; }
  .platform-grid { grid-template-columns: 1fr; max-width: 520px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 760px) {
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    background: var(--cream); flex-direction: column; align-items: stretch; gap: 0;
    padding: 1rem 1.5rem 1.5rem; box-shadow: var(--shadow-card);
    transform: translateY(-130%); transition: transform .45s var(--ease);
    z-index: 1490; max-height: calc(100svh - var(--nav-h)); overflow-y: auto;
  }
  body.nav-open .nav-links { transform: none; }
  .nav-links li { width: 100%; }
  .nav-links a { display: flex; align-items: center; padding: 1rem .4rem; font-size: 1rem; color: var(--ink) !important; text-shadow: none !important; border-bottom: 1px solid rgba(44,24,34,.07); }
  .nav-links a:not(.nav-cta)::after { display: none; }
  .nav-links a.nav-campus { border: 0; justify-content: flex-start; gap: .6rem; padding: 1rem .4rem !important; color: var(--terra-dark) !important; }
  .nav-links a.nav-campus svg { width: 19px; height: 19px; }
  .nav-cta { margin: .9rem 0 0; justify-content: center; border-radius: var(--radius-pill); background: var(--ink) !important; color: #fff !important; padding: 1rem !important; border: 0; }
  .nav-toggle { display: flex; }
  .navbar.scrolled, .navbar { background: color-mix(in oklab, var(--cream) 90%, transparent); backdrop-filter: blur(14px); }
  .navbar .nav-logo, .navbar .nav-logo span { color: var(--ink); text-shadow: none; }
  .navbar .nav-toggle span { background: var(--ink); }

  .benefits-grid, .contacto-grid { grid-template-columns: 1fr; }
  .cards-grid, .metamorf, .tec-grid, .metod-grid { grid-template-columns: 1fr; }
  .agenda-shell { grid-template-columns: 1fr; gap: 1.2rem; }
  .agenda-side { position: static; }
  .agenda-side .vlabel { writing-mode: horizontal-tb; transform: none; -webkit-text-stroke: 1px color-mix(in oklab, var(--jade) 55%, var(--ink)); text-align: center; }
  .agenda-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .4rem; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .agenda-tabs::-webkit-scrollbar { display: none; }
  .agenda-tab { flex: 0 0 auto; }
  .agenda-panel { padding: 1.8rem 1.3rem; }
  .agenda-list > li { padding-left: 2.6rem; }
  .t-card { flex-basis: 100%; max-width: 100%; }
  .carousel-wrap { padding: 0 40px; }
  .car-arrow { width: 42px; height: 42px; font-size: 1.3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.8rem; }
  .footer-brand { grid-column: 1 / -1; }
  .container { padding: 0 1.2rem; }
  .reserva::before { background-size: 320px; }
  .platform-card { padding: 1.6rem; gap: .3rem 1rem; }
  .pf-ic { width: 52px; height: 52px; }

  /* Hero móvil */
  .hero { min-height: 100svh; }
  .notification-bar { gap: .5rem .8rem; padding: .65rem 1.1rem; }
  .notification-bar span:not(.pulse-dot) { font-size: .8rem; }
  .hero-content { justify-content: center; padding: 6rem 1.2rem 4rem; }
  .hero-bfly-wrap { width: 86vw; top: 40%; opacity: .55; }
  .hero h1 { font-size: clamp(2rem, 8.5vw, 2.7rem); }
  .hero .subtitle { font-size: 1.02rem; }
  .cta-buttons { flex-direction: column; width: 100%; max-width: 340px; margin-left: auto; margin-right: auto; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .section-head { margin-bottom: 2.4rem; }
  .sec { padding: 3.6rem 0; }
  .instr-photo { max-width: 360px; margin: 0 auto; }
  .instr-photo .badge { right: 8px; bottom: -14px; }
  .cookie-banner { flex-direction: column; align-items: stretch; text-align: center; gap: .9rem; }
  .cookie-actions { justify-content: center; }
  .whatsapp-float { width: 54px; height: 54px; bottom: 1.1rem; right: 1.1rem; }
  .whatsapp-float svg { width: 28px; height: 28px; }
}

@media (max-width: 460px) {
  .carousel-wrap { padding: 0 36px; }
  .car-arrow { width: 38px; height: 38px; font-size: 1.2rem; }
  .hero-bfly-wrap { width: 94vw; }
  .platform-grid { gap: 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .reserva .price-card { padding: 1.8rem 1.4rem; }
  .instr-photo .badge b { font-size: 1.4rem; }
  .bonus .inner { padding: 2rem 1.4rem; }
}