/* ============================================================
   NeoGlow Lab — hoja de estilos principal
   Paleta extraída del logo NG LAB:
   morado profundo → magenta/rosa, oro rosado, blanco/crema
   ============================================================ */

:root {
  --purple-deep: #2c1560;
  --purple: #45258f;
  --magenta: #c93d8f;
  --pink: #ef5f7e;
  --rose-gold: #d9ae8c;
  --rose-gold-soft: #e9cbb2;
  --cream: #faf6f0;
  --cream-2: #f4ece2;
  --ink: #241535;
  --ink-soft: #5c4d6e;
  --white: #ffffff;
  --grad-brand: linear-gradient(135deg, #2c1560 0%, #45258f 35%, #c93d8f 72%, #ef5f7e 100%);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --header-h: 72px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

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

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

a { color: inherit; }

.container { width: min(1160px, 92%); margin-inline: auto; }

/* ---------- Tipografía editorial ---------- */
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -0.015em; }

.section-kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--magenta);
}
.section-kicker::before {
  content: ""; width: 34px; height: 1px; background: var(--rose-gold);
}

.section-title { font-size: clamp(2rem, 4.4vw, 3.2rem); margin: .55rem 0 1.2rem; }

.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Textura de grano ---------- */
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  opacity: .55; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(250, 246, 240, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217, 174, 140, .35);
  transition: box-shadow .3s ease;
}
#site-header.scrolled { box-shadow: 0 8px 30px rgba(44, 21, 96, .1); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: min(1240px, 94%); margin-inline: auto; }

.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; }
.brand img { width: 46px; height: 46px; border-radius: 50%; }
.brand-name { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; color: var(--purple-deep); }
.brand-name em { font-style: normal; color: var(--magenta); }

#main-nav { display: flex; align-items: center; gap: 1.5rem; }
#main-nav a.nav-link {
  text-decoration: none; font-size: .88rem; font-weight: 500; color: var(--ink-soft);
  position: relative; padding: .3rem 0; transition: color .25s ease;
}
#main-nav a.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
#main-nav a.nav-link:hover { color: var(--purple-deep); }
#main-nav a.nav-link:hover::after { transform: scaleX(1); }

.btn-whatsapp-header {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--grad-brand); color: #fff; text-decoration: none;
  font-size: .85rem; font-weight: 600; padding: .62rem 1.15rem; border-radius: 999px;
  box-shadow: 0 6px 18px rgba(201, 61, 143, .35);
  transition: transform .3s var(--ease-out), box-shadow .3s ease;
}
.btn-whatsapp-header:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 12px 26px rgba(201, 61, 143, .45); }

#hamburger-btn {
  display: none; background: none; border: none; cursor: pointer; padding: .5rem;
  flex-direction: column; gap: 5px;
}
#hamburger-btn span { width: 26px; height: 2px; background: var(--purple-deep); transition: transform .3s ease, opacity .3s ease; }
#hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger-btn.open span:nth-child(2) { opacity: 0; }
#hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO — mesh gradient animado
   ============================================================ */
#inicio {
  position: relative; overflow: hidden;
  padding: calc(var(--header-h) + 64px) 0 90px;
  background: #21104a;
  color: #fff;
}
.mesh-bg { position: absolute; inset: 0; overflow: hidden; }
.mesh-blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .8; will-change: transform; }
.mesh-blob.b1 { width: 62vw; height: 62vw; min-width: 540px; min-height: 540px; background: #45258f; top: -22%; left: -14%; animation: drift1 26s ease-in-out infinite alternate; }
.mesh-blob.b2 { width: 52vw; height: 52vw; min-width: 460px; min-height: 460px; background: #c93d8f; bottom: -24%; right: -12%; animation: drift2 30s ease-in-out infinite alternate; }
.mesh-blob.b3 { width: 34vw; height: 34vw; min-width: 320px; min-height: 320px; background: #ef5f7e; bottom: 8%; left: 16%; opacity: .5; animation: drift3 22s ease-in-out infinite alternate; }
.mesh-blob.b4 { width: 26vw; height: 26vw; min-width: 240px; min-height: 240px; background: #d9ae8c; top: 12%; right: 18%; opacity: .28; animation: drift2 34s ease-in-out infinite alternate-reverse; }

@keyframes drift1 { from { transform: translate(0, 0) scale(1); } to { transform: translate(9%, 12%) scale(1.12); } }
@keyframes drift2 { from { transform: translate(0, 0) scale(1.05); } to { transform: translate(-10%, -8%) scale(.94); } }
@keyframes drift3 { from { transform: translate(0, 0); } to { transform: translate(14%, -12%) scale(1.18); } }

@media (prefers-reduced-motion: reduce) {
  .mesh-blob { animation: none !important; }
  html { scroll-behavior: auto; }
}

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3.5rem; align-items: center; }

.hero-title { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 600; }
.hero-title .tw-wrap { display: inline-block; min-width: 8ch; }
.typewriter {
  background: linear-gradient(100deg, #f6c9a8, #ef5f7e 60%, #e9cbb2);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.tw-cursor { display: inline-block; width: 2px; margin-left: 2px; background: var(--rose-gold-soft); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-sub { margin-top: 1.4rem; font-size: 1.02rem; color: rgba(255, 255, 255, .82); max-width: 34rem; font-weight: 300; }
.hero-sub strong { color: #fff; font-weight: 600; }

.hero-ctas { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.btn {
  display: inline-flex; align-items: center; gap: .55rem; text-decoration: none;
  font-weight: 600; font-size: .95rem; padding: .95rem 1.7rem; border-radius: 999px;
  transition: transform .35s var(--ease-out), box-shadow .35s ease, background .3s ease, color .3s ease;
  cursor: pointer; border: none;
}
.btn-primary { background: linear-gradient(120deg, #ef5f7e, #c93d8f); color: #fff; box-shadow: 0 10px 26px rgba(239, 95, 126, .4); }
.btn-primary:hover { transform: translateY(-4px) scale(1.04) rotate(-.5deg); box-shadow: 0 18px 38px rgba(239, 95, 126, .55); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(233, 203, 178, .6); }
.btn-ghost:hover { background: rgba(233, 203, 178, .14); transform: translateY(-4px); border-color: var(--rose-gold-soft); }

.hero-video-col { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.video-frame {
  position: relative; width: min(320px, 82vw); aspect-ratio: 9 / 16;
  border-radius: 26px; overflow: hidden;
  border: 1px solid rgba(233, 203, 178, .5);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
  transform: rotate(1.6deg);
  transition: transform .5s var(--ease-out);
}
.video-frame:hover { transform: rotate(0deg) scale(1.02); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.hero-scarcity {
  font-size: .8rem; color: rgba(255, 255, 255, .68); max-width: 22rem; text-align: center;
  border-top: 1px solid rgba(233, 203, 178, .3); padding-top: .8rem; font-style: italic;
}

/* ============================================================
   SECCIONES GENÉRICAS
   ============================================================ */
section { padding: 96px 0; position: relative; }

/* ---------- Sobre mí ---------- */
#sobre-mi { background: var(--cream); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: start; }
.about-quote {
  font-family: var(--serif); font-size: clamp(1.25rem, 2.2vw, 1.6rem); line-height: 1.45;
  color: var(--purple-deep); position: relative; padding-left: 1.6rem;
  border-left: 3px solid; border-image: var(--grad-brand) 1;
}
.about-body p { margin-bottom: 1.1rem; color: var(--ink-soft); }
.about-body strong { color: var(--purple-deep); }
.about-meta { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
.meta-chip {
  font-size: .78rem; font-weight: 600; color: var(--purple);
  border: 1px solid var(--rose-gold); border-radius: 999px; padding: .35rem .9rem;
  background: #fff;
}

/* ============================================================
   SERVICIOS — bloques asimétricos
   ============================================================ */
#servicios { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); }

.service-block { display: grid; grid-template-columns: 5fr 7fr; gap: 3.2rem; align-items: start; margin-top: 4.5rem; }
.service-block.flip { grid-template-columns: 7fr 5fr; }
.service-block.flip .service-intro { order: 2; }
.service-block.flip .service-pricing { order: 1; }

.service-num {
  font-family: var(--serif); font-size: clamp(3.4rem, 6vw, 5rem); line-height: 1;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; font-weight: 600;
}
.service-title { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin: .6rem 0 .4rem; color: var(--purple-deep); }
.service-tagline { font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--magenta); font-weight: 600; margin-bottom: 1rem; }
.service-desc { color: var(--ink-soft); max-width: 30rem; }
.service-support { font-size: .85rem; font-style: italic; color: var(--ink-soft); margin-top: .9rem; }

.btn-demo {
  margin-top: 1.4rem; display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: .9rem; color: var(--purple-deep); text-decoration: none;
  border-bottom: 2px solid var(--rose-gold); padding-bottom: .2rem;
  transition: gap .3s var(--ease-out), color .25s ease;
}
.btn-demo:hover { gap: 1rem; color: var(--magenta); }

/* --- Tarjetas de precio --- */
.pricing-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; align-items: stretch; }
.price-card {
  background: #fff; border-radius: 20px; padding: 1.6rem 1.35rem;
  border: 1px solid rgba(217, 174, 140, .4);
  display: flex; flex-direction: column;
  transition: transform .45s var(--ease-out), box-shadow .45s ease;
}
.price-card:hover { transform: translateY(-10px) rotate(-.6deg); box-shadow: 0 24px 50px rgba(44, 21, 96, .16); }
.price-card.featured {
  background: linear-gradient(165deg, #2c1560, #45258f 55%, #7a2f8f);
  color: #fff; border: 1px solid var(--rose-gold);
  transform: scale(1.04);
  box-shadow: 0 20px 46px rgba(44, 21, 96, .35);
}
.price-card.featured:hover { transform: scale(1.06) translateY(-8px); }

.plan-flag {
  align-self: flex-start; font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  background: var(--rose-gold); color: var(--purple-deep); padding: .28rem .8rem; border-radius: 999px; margin-bottom: .8rem;
}
.plan-name { font-family: var(--serif); font-size: 1.25rem; margin-bottom: .5rem; }
.price-old { font-size: .95rem; text-decoration: line-through; opacity: .55; }
.price-pill {
  margin: .45rem 0 1rem; display: inline-flex; flex-direction: column; gap: .1rem;
  background: linear-gradient(120deg, rgba(239, 95, 126, .12), rgba(217, 174, 140, .18));
  border: 1px dashed var(--magenta); border-radius: 18px; padding: .65rem 1rem;
}
.price-card.featured .price-pill { background: rgba(255, 255, 255, .1); border-color: var(--rose-gold-soft); }
.price-now { font-family: var(--serif); font-size: 1.9rem; font-weight: 700; line-height: 1; color: var(--magenta); }
.price-card.featured .price-now { color: var(--rose-gold-soft); }
.price-pill-label { font-size: .64rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; opacity: .8; }

.plan-list { list-style: none; font-size: .86rem; display: grid; gap: .5rem; margin-bottom: 1rem; color: var(--ink-soft); }
.price-card.featured .plan-list { color: rgba(255, 255, 255, .85); }
.plan-list li { padding-left: 1.15rem; position: relative; }
.plan-list li::before { content: "—"; position: absolute; left: 0; color: var(--rose-gold); font-weight: 700; }
.plan-delivery { margin-top: auto; font-size: .78rem; font-weight: 600; color: var(--purple); }
.price-card.featured .plan-delivery { color: var(--rose-gold-soft); }

.pricing-footnote { margin-top: 1.1rem; font-size: .8rem; color: var(--ink-soft); font-style: italic; }
.demo-note { font-size: .8rem; font-weight: 600; color: var(--magenta); margin-top: .5rem; }

/* --- Franja consultoría --- */
#consultoria {
  margin-top: 5.5rem; padding: 4.2rem 0; background: var(--grad-brand); color: #fff;
  position: relative; overflow: hidden; border-radius: 0;
}
.consult-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.4fr .6fr; gap: 2.5rem; align-items: center; }
.consult-inner h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 1rem; }
.consult-inner p { color: rgba(255, 255, 255, .88); font-size: .96rem; }
.consult-price { font-family: var(--serif); font-size: 2rem; color: var(--rose-gold-soft); }
.consult-price s { font-size: 1.1rem; opacity: .7; }
.consult-cta { text-align: center; }
.btn-light { background: #fff; color: var(--purple-deep); box-shadow: 0 12px 30px rgba(0, 0, 0, .25); }
.btn-light:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 18px 40px rgba(0, 0, 0, .35); }

/* ============================================================
   PORTAFOLIO — recorte editorial con pestañas
   ============================================================ */
#portafolio { background: var(--cream); }
.portfolio-disclaimer { font-size: .8rem; font-style: italic; color: var(--ink-soft); max-width: 46rem; margin-bottom: 2rem; }

.tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 2.4rem; }
.tab-btn {
  font-family: var(--serif); font-size: 1.05rem; background: none; border: none; cursor: pointer;
  padding: .55rem 1.3rem; border-radius: 999px; color: var(--ink-soft);
  border: 1px solid transparent; transition: all .3s var(--ease-out);
}
.tab-btn:hover { transform: translateY(-2px); color: var(--purple-deep); }
.tab-btn.active { background: var(--purple-deep); color: #fff; border-color: var(--rose-gold); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(44, 21, 96, .25); }

.tab-panel { display: none; }
.tab-panel.active { display: grid; grid-template-columns: 7fr 5fr; gap: 1.6rem; align-items: end; }
.tab-panel figure { position: relative; overflow: hidden; border-radius: 22px; margin: 0; }
.tab-panel figure.tall { aspect-ratio: 3 / 4; }
.tab-panel figure.offset { aspect-ratio: 3 / 3.6; transform: translateY(-2.2rem); }
.tab-panel img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.tab-panel figure:hover img { transform: scale(1.06) rotate(.6deg); }
.tab-panel figcaption {
  position: absolute; left: 1rem; bottom: 1rem; z-index: 2;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(36, 21, 53, .72); color: var(--rose-gold-soft);
  padding: .35rem .85rem; border-radius: 999px; backdrop-filter: blur(6px);
}

/* ============================================================
   CASO ARIANA
   ============================================================ */
#caso-ariana { background: linear-gradient(180deg, #f4ece2, #faf6f0); }
.ariana-head { max-width: 46rem; }
.ariana-head p { color: var(--ink-soft); margin-bottom: 1rem; }
.ariana-process {
  border-left: 3px solid; border-image: var(--grad-brand) 1;
  padding-left: 1.3rem; font-size: .95rem; color: var(--ink-soft);
}

.ariana-gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.2rem; margin: 2.6rem 0 1rem; }
.ariana-gallery figure { margin: 0; border-radius: 20px; overflow: hidden; position: relative; }
.ariana-gallery figure:nth-child(1) { grid-column: span 4; aspect-ratio: 3/4; }
.ariana-gallery figure:nth-child(2) { grid-column: span 3; aspect-ratio: 3/4.4; transform: translateY(1.6rem); }
.ariana-gallery figure:nth-child(3) { grid-column: span 3; aspect-ratio: 3/4.4; }
.ariana-gallery figure:nth-child(4) { grid-column: span 2; aspect-ratio: 3/4.8; transform: translateY(1.2rem); }
.ariana-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out), filter .6s ease; }
.ariana-gallery figure:hover img { transform: scale(1.07); filter: saturate(1.12); }

.ariana-brands-note { font-size: .78rem; color: var(--ink-soft); margin-top: 1.6rem; }
.ariana-honest { font-size: .82rem; font-style: italic; color: var(--ink-soft); margin-top: .6rem; }
.ariana-ctas { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .9rem; }
.btn-outline { border: 1.5px solid var(--purple-deep); color: var(--purple-deep); background: transparent; }
.btn-outline:hover { background: var(--purple-deep); color: #fff; transform: translateY(-4px); }

/* ============================================================
   DOMINIO TÉCNICO — barras de 5 segmentos
   ============================================================ */
#dominio { background: var(--purple-deep); color: #fff; overflow: hidden; }
#dominio .section-kicker { color: var(--rose-gold-soft); }
#dominio .section-title { color: #fff; }

.skills { display: grid; gap: 1.8rem; margin-top: 2.4rem; max-width: 52rem; }
.skill { display: grid; gap: .45rem; }
.skill-top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .4rem; }
.skill-name { font-family: var(--serif); font-size: 1.15rem; color: var(--rose-gold-soft); }
.skill-meta { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.skill-use { font-size: .85rem; color: rgba(255, 255, 255, .75); }
.skill-bar { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: .3rem; }
.skill-seg { height: 9px; border-radius: 99px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(233, 203, 178, .25); transition: background .6s ease, box-shadow .6s ease; }
.skill.is-visible .skill-seg.on { background: linear-gradient(90deg, #ef5f7e, #d9ae8c); box-shadow: 0 0 12px rgba(239, 95, 126, .5); }
.skills-note { margin-top: 2.2rem; font-size: .85rem; font-style: italic; color: rgba(255, 255, 255, .7); max-width: 40rem; }

/* ============================================================
   POR QUÉ NEOGLOW LAB
   ============================================================ */
#por-que { background: var(--cream); }
.why-intro { max-width: 44rem; color: var(--ink-soft); margin-bottom: 3rem; }
.why-list { display: grid; gap: 0; }
.why-item {
  display: grid; grid-template-columns: 140px 1fr; gap: 2rem; align-items: center;
  padding: 2.2rem 0; border-top: 1px solid rgba(217, 174, 140, .5);
  transition: transform .4s var(--ease-out), background .3s ease;
}
.why-item:last-child { border-bottom: 1px solid rgba(217, 174, 140, .5); }
.why-item:hover { transform: translateX(12px); }
.why-num {
  font-family: var(--serif); font-size: clamp(3.2rem, 6vw, 4.6rem); line-height: 1; font-weight: 600;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.why-item h3 { font-size: 1.35rem; color: var(--purple-deep); margin-bottom: .2rem; }
.why-item p { color: var(--ink-soft); font-size: .95rem; }

/* ============================================================
   CONTACTO + FOOTER
   ============================================================ */
#contacto { background: var(--grad-brand); color: #fff; overflow: hidden; }
#contacto .section-kicker { color: var(--rose-gold-soft); }
.contact-inner { position: relative; z-index: 2; text-align: left; max-width: 44rem; }
.contact-inner p { color: rgba(255, 255, 255, .88); margin-bottom: 2rem; font-size: 1.05rem; }
.contact-btns { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-contact {
  display: inline-flex; align-items: center; gap: .6rem; text-decoration: none;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(233, 203, 178, .5);
  color: #fff; font-weight: 600; font-size: .92rem; padding: .9rem 1.6rem; border-radius: 999px;
  backdrop-filter: blur(6px);
  transition: transform .35s var(--ease-out), background .3s ease;
}
.btn-contact:hover { transform: translateY(-5px) rotate(-.8deg); background: rgba(255, 255, 255, .24); }
.btn-contact.main { background: #fff; color: var(--purple-deep); }
.btn-contact.main:hover { background: var(--rose-gold-soft); }

footer {
  background: #1c0e3d; color: rgba(255, 255, 255, .65);
  padding: 2.4rem 0; text-align: center; font-size: .85rem;
}
footer img { width: 54px; height: 54px; border-radius: 50%; margin: 0 auto .8rem; }

/* ============================================================
   FLOTANTES
   ============================================================ */
#whatsapp-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; text-decoration: none;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .45);
  transition: transform .35s var(--ease-out);
}
#whatsapp-float:hover { transform: scale(1.12) rotate(8deg); }

#back-to-top {
  position: fixed; left: 20px; bottom: 20px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--rose-gold);
  background: rgba(250, 246, 240, .92); color: var(--purple-deep); cursor: pointer;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(16px);
  transition: opacity .4s ease, transform .4s var(--ease-out);
  box-shadow: 0 8px 22px rgba(44, 21, 96, .18);
}
#back-to-top.show { opacity: 1; pointer-events: auto; transform: none; }
#back-to-top:hover { background: var(--purple-deep); color: #fff; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-ctas { justify-content: center; }
  .service-block, .service-block.flip { grid-template-columns: 1fr; gap: 2rem; }
  .service-block.flip .service-intro { order: 1; }
  .service-block.flip .service-pricing { order: 2; }
  .about-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .consult-inner { grid-template-columns: 1fr; text-align: center; }
  .ariana-gallery { grid-template-columns: repeat(2, 1fr); }
  .ariana-gallery figure { grid-column: auto !important; transform: none !important; aspect-ratio: 3/4 !important; }
}

@media (max-width: 860px) {
  #main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(250, 246, 240, .98); backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(217, 174, 140, .4);
    padding: .6rem 0 1rem;
    transform: translateY(-130%); transition: transform .4s var(--ease-out);
    box-shadow: 0 20px 40px rgba(44, 21, 96, .15);
  }
  #main-nav.open { transform: none; }
  #main-nav a.nav-link { padding: .85rem 8%; font-size: 1rem; }
  #main-nav a.nav-link::after { display: none; }
  #main-nav .btn-whatsapp-header { margin: .8rem 8% 0; justify-content: center; }
  #hamburger-btn { display: flex; }
}

@media (max-width: 720px) {
  section { padding: 68px 0; }
  .pricing-row { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-8px); }
  .tab-panel.active { grid-template-columns: 1fr; }
  .tab-panel figure.offset { transform: none; }
  .why-item { grid-template-columns: 1fr; gap: .6rem; padding: 1.8rem 0; }
  .brand-name { display: none; }
  #whatsapp-float { width: 52px; height: 52px; font-size: 1.5rem; }
}