/* Efe Dental: HTML/CSS/JS plano. Tokens del patrón de la skill landing-negocio-general. */
@font-face { font-family: "Bodoni Moda"; src: url("fonts/bodoni-moda.woff2") format("woff2"); font-weight: 400 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Bodoni Moda"; src: url("fonts/bodoni-moda-italic.woff2") format("woff2"); font-weight: 400 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("fonts/montserrat.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Mrs Saint Delafield"; src: url("fonts/mrs-saint-delafield.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  --bg: #f5f6f8; --panel: #e9ecf2; --white: #ffffff; --line: #cdd3e0;
  --ink: #0f1a3c; --text: #2b3556; --soft: #566080;
  --navy: #0b1530; --navy-2: #13224d; --on-navy: #e9ecf4; --on-navy-soft: #aeb8d4;
  --gold: #b9955a; --gold-b: #d8b676; --gold-t: #7a5b22; --wa: #0b7a45;

  --font-display: "Bodoni Moda", "Bodoni 72", Didot, Georgia, serif;
  --font-body: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-script: "Mrs Saint Delafield", "Snell Roundhand", cursive;

  --space-xs: .5rem; --space-sm: 1rem; --space-md: 1.75rem; --space-lg: 3rem; --space-xl: 5rem;
  --content-max: 1180px; --radius: 6px; --radius-pill: 999px;
  --header-h: 76px; --ease: cubic-bezier(.16, 1, .3, 1);
  --shadow: 0 10px 28px rgb(11 21 48 / .16);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: rgb(216 182 118 / .3); scrollbar-color: var(--gold) var(--navy); scroll-padding-top: calc(var(--header-h) + 1rem); }
a, button, .chip { touch-action: manipulation; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 60; padding: .75rem 1.25rem; border-radius: var(--radius-pill); background: var(--gold-b); color: var(--navy); font-weight: 600; text-decoration: none; transition: top .2s; }
.skip:focus { top: 1rem; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1rem/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
::selection { background: var(--gold-b); color: var(--navy); }
:focus-visible { outline: 2px solid var(--gold-b); outline-offset: 3px; border-radius: 3px; }
input, button { caret-color: var(--gold-t); font: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: var(--content-max); margin-inline: auto; padding-inline: 1.25rem; }
.section { padding-block: clamp(4rem, 9vw, 7.5rem); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; color: var(--ink); line-height: 1.1; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); letter-spacing: .005em; }
h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
p { margin: 0 0 1rem; max-width: 65ch; }
.script { font-family: var(--font-script); font-weight: 400; letter-spacing: 0; text-transform: none; }

/* ---------- Botones (píldora) ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 48px; padding: .75rem 1.6rem; border-radius: var(--radius-pill); border: 1.5px solid transparent; font-weight: 600; font-size: .9rem; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; white-space: nowrap; cursor: pointer; transition: transform .25s var(--ease), background-color .25s, color .25s, border-color .25s; }
.btn:active { transform: translateY(1px) scale(.98); }
.btn-gold { background: var(--gold-b); color: var(--navy); }
.btn-gold:hover { background: #e6c98f; transform: translateY(-2px); }
.btn-navy { background: var(--ink); color: var(--white); }
.btn-navy:hover { background: var(--navy-2); transform: translateY(-2px); }
.link-arrow { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; letter-spacing: .04em; text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: .35em; text-decoration-thickness: 2px; }
.link-arrow:hover { text-decoration-color: currentColor; }

/* ---------- Header: logo al centro ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h); color: var(--on-navy); transition: background-color .35s, box-shadow .35s; view-transition-name: site-header; }
.site-header.is-solid { background: var(--navy); box-shadow: 0 1px 0 rgb(216 182 118 / .28); }
.bar { position: relative; display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: calc(var(--content-max) + 2.5rem); margin-inline: auto; padding-inline: 1.25rem; }
.nav { display: contents; }
.nav ul { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav a:not(.btn) { display: inline-flex; align-items: center; min-height: 44px; font-size: .82rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 1px; background: var(--gold-b); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav .btn { min-height: 44px; padding: .55rem 1.3rem; font-size: .8rem; }
.brand { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; gap: .6rem; text-decoration: none; color: #fff; }
.brand svg { width: 28px; height: 34px; flex: none; }
.brand-name { display: grid; line-height: 1; }
.brand-script { font-family: var(--font-script); font-size: 2.1rem; line-height: .8; color: #fff; }
.brand-dental { font-family: var(--font-display); font-size: .7rem; letter-spacing: .42em; margin-top: .5rem; color: var(--gold-b); padding-left: .2em; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 0; background: none; border: 0; color: inherit; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle span:nth-child(1) { top: 14px; } .nav-toggle span:nth-child(2) { top: 21px; } .nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 960px) {
  .site-header { background: var(--navy); }
  .brand { position: static; transform: none; }
  .nav-toggle { display: block; }
  .nav { display: flex; flex-direction: column; align-items: stretch; gap: 0; position: fixed; inset: var(--header-h) 0 auto 0; padding: .5rem 1.25rem 1.5rem; background: var(--navy); box-shadow: 0 18px 30px rgb(11 21 48 / .35); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .3s var(--ease), visibility .25s; }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav a:not(.btn) { width: 100%; min-height: 52px; border-bottom: 1px solid rgb(216 182 118 / .2); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { width: 100%; margin-top: 1rem; }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: clip; min-height: 100dvh; display: grid; align-items: center; padding: calc(var(--header-h) + 1.5rem) 1.25rem 3.5rem; color: var(--on-navy); background: radial-gradient(ellipse 60% 70% at 74% 48%, var(--navy-2) 0%, var(--navy) 70%); }
.hero-grid { width: 100%; max-width: var(--content-max); margin-inline: auto; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(1.5rem, 4vw, 4rem); }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 4.6vw, 4.4rem); letter-spacing: .03em; text-transform: uppercase; line-height: 1.04; }
.hero h1 .line { display: block; }
.hero-script { display: block; position: relative; width: fit-content; margin-top: .1em; padding-bottom: .15em; font-size: clamp(3.4rem, 7.2vw, 6.2rem); line-height: .95; color: var(--gold-b); }
.hero-script .swoosh { position: absolute; left: 4%; bottom: -.02em; width: 92%; height: .3em; overflow: visible; }
.hero-sub { margin-top: 1.5rem; max-width: 34ch; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--on-navy-soft); }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; margin-top: 2rem; }
.hero-cta .link-arrow { color: #fff; }
.hero-art { width: min(100%, 470px); justify-self: center; }
.hero-art svg { width: 100%; height: auto; overflow: visible; }

/* trazo dorado */
.ln { fill: none; stroke: var(--gold-b); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; }
.ln-soft { stroke: var(--gold); stroke-width: 1; opacity: .7; }
.star { fill: var(--gold-b); transform-box: fill-box; transform-origin: center; }
.swoosh .ln, .swoosh-wrap .ln { stroke-width: 2.4; }
.statement .ln { stroke: var(--gold); }
#sentinel { position: absolute; top: 0; left: 0; width: 1px; height: 48px; pointer-events: none; }
.tooth-shine { fill: none; stroke: #fff3d1; stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: .1 .9; stroke-dashoffset: .1; opacity: 0; }

/* ---------- Tratamientos (escenario en inicio) ---------- */
.svc-head { margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.svc-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); column-gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.svc-list li { display: contents; }
.svc-btn { grid-column: 1; position: relative; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); padding: 1rem 0; min-height: 64px; font-family: var(--font-display); font-size: clamp(1.6rem, 2.9vw, 2.5rem); line-height: 1.15; color: var(--soft); cursor: pointer; transition: color .3s, padding-left .4s var(--ease); }
.svc-btn::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.svc-btn:hover { color: var(--ink); }
.svc-btn.is-active { color: var(--ink); padding-left: .6rem; }
.svc-btn.is-active::after { transform: scaleX(1); }
.svc-panel { grid-column: 2; grid-row: 1 / span 5; position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.1rem; align-content: center; justify-items: start; min-height: 440px; padding: clamp(1.75rem, 3.5vw, 3rem); border-radius: var(--radius); background: var(--navy); color: var(--on-navy); box-shadow: var(--shadow); }
.svc-panel[hidden] { display: none; }
.svc-panel h3 { color: #fff; }
.svc-panel p { color: var(--on-navy-soft); margin: 0; max-width: 38ch; }
.svc-panel .ico { width: clamp(130px, 16vw, 200px); height: auto; }
.svc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; margin-top: .5rem; }
.svc-actions .link-arrow { color: #fff; }

/* sin JavaScript: todos los paneles quedan apilados y visibles */
html:not(.js) .svc-list { grid-template-columns: 1fr; }
html:not(.js) .svc-btn { display: none; }
html:not(.js) .svc-panel { grid-column: auto; grid-row: auto; position: static; margin-bottom: 1rem; min-height: 0; }

/* ---------- Frase grande ---------- */
.statement { background: var(--panel); text-align: center; }
.statement h2 { font-size: clamp(2.4rem, 6vw, 5rem); line-height: 1.02; text-transform: uppercase; letter-spacing: .03em; }
.statement .script { display: block; margin-top: .05em; font-size: 1.45em; color: var(--gold-t); text-transform: none; letter-spacing: 0; line-height: .95; }
.statement .swoosh-wrap { display: block; width: min(320px, 70%); height: 22px; margin: .4rem auto 1.75rem; overflow: visible; }
.statement p { margin-inline: auto; color: var(--text); }

/* ---------- Cierre de agenda ---------- */
.agenda { background: var(--navy); color: var(--on-navy); }
.agenda .wrap { display: grid; grid-template-columns: 1.3fr auto; align-items: center; gap: 2rem; }
.agenda h2 { color: #fff; max-width: 24ch; }
.agenda p { color: var(--on-navy-soft); margin: 1rem 0 0; }

/* ---------- Página interior ---------- */
.page-hero { position: relative; overflow: clip; background: radial-gradient(ellipse 50% 90% at 82% 40%, var(--navy-2) 0%, var(--navy) 72%); color: var(--on-navy); padding: calc(var(--header-h) + clamp(2.5rem, 6vw, 5rem)) 1.25rem clamp(2.5rem, 6vw, 4.5rem); }
.page-hero .wrap { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; padding-inline: 0; }
.page-hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: .03em; text-transform: uppercase; }
.page-hero .script { display: block; font-size: 1.5em; color: var(--gold-b); text-transform: none; letter-spacing: 0; line-height: .95; margin-top: .05em; }
.page-hero .hero-art { width: clamp(110px, 16vw, 190px); }

/* tratamientos.html */
.tx { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.tx-nav { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.tx-nav ul { list-style: none; margin: 0; padding: 0; display: grid; }
.tx-nav a { display: flex; align-items: center; min-height: 44px; padding-block: .35rem; font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-decoration: none; color: var(--soft); transition: color .25s, padding-left .35s var(--ease); }
.tx-nav a:hover, .tx-nav a[aria-current="true"] { color: var(--ink); padding-left: .6rem; }
.tx-nav a[aria-current="true"] { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: .4em; }
.tx-item { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); padding-block: clamp(2rem, 4vw, 3.5rem); }
.tx-item + .tx-item { border-top: 1px solid var(--line); }
.tx-item:first-child { padding-top: 0; }
.tx-item .ico { width: 150px; height: auto; background: var(--navy); border-radius: var(--radius); padding: 1rem; }
.tx-item h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); margin-bottom: .9rem; }
.tx-item ul { margin: 0 0 1.5rem; padding-left: 1.2rem; max-width: 52ch; }
.tx-item li { margin-bottom: .35rem; }
.tx-item li::marker { color: var(--gold); }
.tx-item h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 600; letter-spacing: .02em; margin: 0 0 .5rem; }
.tx-note { margin-top: clamp(2rem, 4vw, 3rem); color: var(--soft); }

/* ico: iconos de línea en panel marino */
.ico { overflow: visible; }
.ico .ln { stroke-width: 2.2; }

/* nosotros.html */
.about { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.about h2 { margin-bottom: 1.25rem; }
.areas { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.areas a { display: inline-flex; align-items: center; min-height: 52px; font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2.2rem); line-height: 1.15; text-decoration: none; color: var(--ink); background: linear-gradient(var(--gold), var(--gold)) 0 100% / 0 2px no-repeat; transition: background-size .5s var(--ease), padding-left .4s var(--ease); }
.areas a:hover { background-size: 100% 2px; padding-left: .5rem; }
.areas-title { margin-bottom: .75rem; font-family: var(--font-body); font-size: .95rem; font-weight: 600; color: var(--soft); }

/* contacto.html */
.contact { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.builder { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.5rem); box-shadow: 0 14px 34px rgb(11 21 48 / .08); }
.builder fieldset { border: 0; margin: 0 0 1.5rem; padding: 0; }
.builder legend { padding: 0; margin-bottom: 1rem; font-family: var(--font-display); font-size: clamp(1.5rem, 2.4vw, 2rem); color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem 1.1rem; border: 1.5px solid var(--line); border-radius: var(--radius-pill); font-size: .9rem; font-weight: 500; color: var(--text); background: var(--bg); cursor: pointer; transition: background-color .25s, border-color .25s, color .25s, transform .25s var(--ease); }
.chip span:hover { border-color: var(--gold); }
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid var(--gold-t); outline-offset: 3px; }
.msg-label { margin: 0 0 .4rem; font-size: .85rem; font-weight: 600; color: var(--soft); }
.msg-preview { margin: 0 0 1.5rem; padding: 1rem 1.1rem; background: var(--panel); border-radius: var(--radius); color: var(--ink); min-height: 4.2rem; }
.msg-note { margin: 1rem 0 0; font-size: .88rem; color: var(--soft); }
.info h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 1.25rem; }
.info dl { margin: 0; display: grid; gap: 1.5rem; }
.info dt { font-size: .82rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-t); margin-bottom: .25rem; }
.info dd { margin: 0; font-size: 1.1rem; color: var(--ink); }
.info .num { font-family: var(--font-display); font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.1; text-decoration: none; }
.info .num:hover { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; }

/* aviso */
.legal { max-width: 760px; }
.legal h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: 2rem 0 .5rem; }
.legal .draft { padding: .9rem 1.1rem; background: var(--panel); border-radius: var(--radius); font-size: .92rem; color: var(--text); }

/* ---------- Pie ---------- */
.site-footer { background: var(--navy); color: var(--on-navy-soft); border-top: 1px solid rgb(216 182 118 / .28); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem; }
.foot-grid .brand { position: static; transform: none; margin-bottom: 1rem; }
.foot-tag { font-family: var(--font-script); font-size: 2rem; line-height: 1; color: var(--gold-b); margin: 1.1rem 0 0; }
.foot-grid h2 { font-family: var(--font-body); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: .75rem; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid a { display: inline-flex; align-items: center; min-height: 40px; text-decoration: none; }
.foot-grid a:hover { color: #fff; text-decoration: underline; text-decoration-color: var(--gold); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; padding-block: 1.25rem calc(56px + 1.25rem + 1rem); border-top: 1px solid rgb(174 184 212 / .2); font-size: .85rem; }
.foot-bottom p { margin: 0; max-width: none; }
.foot-bottom a { color: #fff; }

/* ---------- WhatsApp flotante ---------- */
.wa-float { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: var(--wa); color: #fff; box-shadow: 0 8px 20px rgb(11 21 48 / .32); transition: transform .3s var(--ease); }
.wa-float:hover { transform: translateY(-3px); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { align-items: start; padding-top: calc(var(--header-h) + 1rem); padding-bottom: 3rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; width: min(52vw, 230px); justify-self: start; }
  .hero h1 { font-size: clamp(2.1rem, 9vw, 3rem); }
  .hero-script { font-size: clamp(3.2rem, 15vw, 4.6rem); }
  .svc-list { grid-template-columns: 1fr; }
  .svc-list li { display: block; }
  .svc-btn { min-height: 60px; }
  .svc-panel { position: static; grid-column: auto; grid-row: auto; min-height: 0; margin: .75rem 0 1rem; }
  .agenda .wrap, .about, .contact, .page-hero .wrap { grid-template-columns: 1fr; }
  .page-hero .hero-art { display: none; }
  .tx { grid-template-columns: 1fr; gap: 1.5rem; }
  .tx-nav { position: static; margin-inline: -1.25rem; padding-inline: 1.25rem; overflow-x: auto; }
  .tx-nav ul { display: flex; gap: .5rem; width: max-content; }
  .tx-nav a { padding: .35rem 1rem; border: 1.5px solid var(--line); border-radius: var(--radius-pill); white-space: nowrap; }
  .tx-nav a:hover, .tx-nav a[aria-current="true"] { padding-left: 1rem; background: var(--ink); color: #fff; border-color: var(--ink); text-decoration: none; }
  .tx-item { grid-template-columns: 1fr; }
  .tx-item .ico { width: 110px; }
  .foot-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* ---------- Movimiento (solo si no hay reduce) ---------- */
@keyframes draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes pop { from { transform: scale(0) rotate(-40deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes twinkle { 0%, 100% { transform: none; opacity: 1; } 50% { transform: scale(.78); opacity: .7; } }
@keyframes run { 0% { stroke-dashoffset: .1; opacity: 1; } 28% { stroke-dashoffset: -.9; opacity: 1; } 29%, 100% { stroke-dashoffset: -.9; opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(.7em); } to { opacity: 1; transform: none; } }
@keyframes swap { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }

  /* jugada firma: el diente se dibuja */
  .hero .ln { stroke-dashoffset: 1; animation: draw 2.4s var(--ease) .3s forwards; }
  .hero .ln.l-gloss { animation-duration: 1s; animation-delay: 2.1s; }
  .hero .ln.l-smile { animation-duration: 1.6s; animation-delay: 1.9s; }
  .hero .ln.l-swoosh { animation-duration: 1.2s; animation-delay: 1.4s; }
  /* destello y chispa se repiten unas veces y se detienen solos (sin movimiento infinito) */
  .hero .star { opacity: 0; animation: pop .8s var(--ease) 2.9s forwards, twinkle 5s ease-in-out 3.8s 3; }
  .hero .star.s2 { animation-delay: 3.2s, 4.4s; }
  .hero .tooth-shine { animation: run 9s linear 3.6s 2; }
  .hero h1 .line, .hero-script, .hero-sub, .hero-cta { opacity: 0; animation: rise 1s var(--ease) forwards; }
  .hero h1 .line:nth-child(1) { animation-delay: .1s; }
  .hero h1 .line:nth-child(2) { animation-delay: .22s; }
  .hero-script { animation-delay: .5s; }
  .hero-sub { animation-delay: .75s; }
  .hero-cta { animation-delay: .9s; }
  .page-hero .ln { stroke-dashoffset: 1; animation: draw 1.8s var(--ease) .2s forwards; }
  .page-hero .star { opacity: 0; animation: pop .8s var(--ease) 1.6s forwards; }

  /* iconos: se dibujan al elegirse o al entrar en pantalla */
  .svc-panel .ln { stroke-dashoffset: 1; animation: draw 1.5s var(--ease) forwards; }
  .svc-panel .ln:nth-child(2) { animation-delay: .2s; } .svc-panel .ln:nth-child(3) { animation-delay: .4s; } .svc-panel .ln:nth-child(4) { animation-delay: .55s; }
  .svc-panel .star { opacity: 0; animation: pop .7s var(--ease) 1s forwards; }
  .svc-panel > :not(.ico) { animation: swap .6s var(--ease) both; }
  .js .ico-rv .ln { stroke-dashoffset: 1; }
  .js .ico-rv.is-in .ln { animation: draw 1.5s var(--ease) forwards; }
  .js .ico-rv.is-in .ln:nth-child(2) { animation-delay: .2s; } .js .ico-rv.is-in .ln:nth-child(3) { animation-delay: .4s; } .js .ico-rv.is-in .ln:nth-child(4) { animation-delay: .55s; }
  .js .ico-rv .star { opacity: 0; }
  .js .ico-rv.is-in .star { animation: pop .7s var(--ease) 1s forwards; }

  /* entradas suaves en secciones interiores */
  .js .rv { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
  .js .rv.is-in { opacity: 1; transform: none; }
  .js .swoosh-wrap .ln { stroke-dashoffset: 1; }
  .js .swoosh-wrap.is-in .ln { animation: draw 1.4s var(--ease) .3s forwards; }
}
@media (prefers-reduced-motion: reduce) {
  .ln { stroke-dashoffset: 0; }
  * { scroll-behavior: auto !important; }
}