/* ==========================================================================
   Dr. Andrés Reátiga Parrish — hoja de estilos única
   Paleta: solo las variables de :root. No agregar colores nuevos.
   ========================================================================== */

/* Fuentes autoalojadas (licencia SIL OFL en /assets/fonts/) */
@font-face { font-family: "Cormorant Garamond"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/cormorant-garamond-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Cormorant Garamond"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/cormorant-garamond-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/montserrat-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/montserrat-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/montserrat-latin-600-normal.woff2") format("woff2"); }

:root {
  --color-primary: #314b45;
  --color-primary-dark: #233933;
  --color-background: #faf8f4;
  --color-surface: #f3eee7;
  --color-text: #2f3437;
  --color-muted: #6c6a66;
  --color-accent: #d8cdbe;
  --color-border: #e6e0d7;
  --color-white: #fff;

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Montserrat", Arial, sans-serif;

  --container: 1180px;
  --gutter: 16px;
  --header-height: 76px;
  --sticky-height: 72px;
  --measure: 68ch;
  --speed: 200ms;
  --shadow: 0 24px 70px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-height) + 16px); }
body { margin: 0; background: var(--color-background); color: var(--color-text); font-family: var(--font-body); font-size: 1rem; line-height: 1.7; }
body.menu-open { overflow: hidden; }
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, p, ul, ol { margin-top: 0; }
h1, h2, h3 { color: var(--color-primary); font-family: var(--font-display); font-weight: 600; letter-spacing: 0; text-wrap: balance; }
h1 { max-width: 16ch; margin-bottom: 24px; font-size: clamp(2.5rem, 6vw, 5rem); line-height: 1.04; }
h2 { max-width: 22ch; margin-bottom: 24px; font-size: clamp(2rem, 4.5vw, 3.75rem); line-height: 1.08; }
h3 { margin-bottom: 14px; font-size: clamp(1.375rem, 2.2vw, 1.875rem); line-height: 1.2; }
p, li { max-width: var(--measure); }

.container { width: min(calc(100% - 2 * var(--gutter)), var(--container)); margin-inline: auto; }
.section { padding-block: clamp(72px, 9vw, 120px); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Foco visible: verde sobre fondos claros, crema sobre fondos verdes */
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.on-dark :focus-visible { outline-color: var(--color-background); }

.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 18px; background: var(--color-primary); color: var(--color-white); font-weight: 600; text-decoration: none; transform: translateY(-200%); transition: transform var(--speed); }
.skip-link:focus { transform: translateY(0); outline-color: var(--color-primary-dark); }

.eyebrow { margin-bottom: 20px; color: var(--color-primary); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; line-height: 1.4; text-transform: uppercase; }
.lead { color: var(--color-muted); }
.statement { max-width: 32ch; color: var(--color-primary); font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 500; line-height: 1.35; }

/* --------------------------------------------------------------------------
   Botones y enlaces
   -------------------------------------------------------------------------- */
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border: 1px solid var(--color-primary); background: var(--color-primary); color: var(--color-white); font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.01em; line-height: 1.2; text-align: center; text-decoration: none; transition: background-color var(--speed), border-color var(--speed), color var(--speed), transform var(--speed); }
.button:hover { border-color: var(--color-primary-dark); background: var(--color-primary-dark); }
.button:active { transform: translateY(1px); }
.button svg { width: 20px; height: 20px; flex: 0 0 auto; }
.button-secondary { border-color: var(--color-accent); background: transparent; color: var(--color-primary); font-weight: 500; }
.button-secondary:hover { border-color: var(--color-primary); background: var(--color-surface); color: var(--color-primary-dark); }
.button-light { border-color: var(--color-background); background: var(--color-background); color: var(--color-primary); }
.button-light:hover { border-color: var(--color-white); background: var(--color-white); color: var(--color-primary-dark); }
.button-outline-light { border-color: var(--color-accent); background: transparent; color: var(--color-background); font-weight: 500; }
.button-outline-light:hover { border-color: var(--color-background); background: var(--color-primary-dark); }

.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--color-primary); font-size: 0.9375rem; font-weight: 600; text-decoration: underline; text-decoration-color: var(--color-accent); text-decoration-thickness: 1px; text-underline-offset: 6px; transition: text-decoration-color var(--speed); }
.text-link:hover { text-decoration-color: var(--color-primary); }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

/* Bloque "antes de agendar": solo copy aprobado */
.before-booking { display: grid; gap: 6px; margin: 26px 0 0; padding: 0; color: var(--color-muted); font-size: 0.9375rem; line-height: 1.55; list-style: none; }
.before-booking li { position: relative; padding-left: 18px; }
.before-booking li::before { position: absolute; top: 0.62em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); content: ""; }

.channel-note { max-width: 60ch; margin: 22px 0 0; color: var(--color-muted); font-size: 0.875rem; line-height: 1.6; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header { position: fixed; z-index: 40; inset: 0 0 auto; border-bottom: 1px solid transparent; background: var(--color-background); transition: border-color var(--speed), transform var(--speed); }
.site-header.is-scrolled { border-color: var(--color-border); }
.header-inner { display: flex; min-height: var(--header-height); align-items: center; gap: 16px; }
.brand { display: flex; min-width: 44px; min-height: 44px; align-items: center; gap: 12px; margin-right: auto; color: var(--color-primary); text-decoration: none; }
.brand img { width: 44px; height: 44px; flex: 0 0 auto; }
.brand-text { display: grid; }
.brand-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; line-height: 1.1; }
.brand-role { color: var(--color-muted); font-size: 0.8125rem; letter-spacing: 0.06em; line-height: 1.5; text-transform: uppercase; }

.main-nav ul { margin: 0; padding: 0; list-style: none; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list > li > a, .nav-dropdown summary { display: inline-flex; min-height: 44px; align-items: center; padding: 0 12px; color: var(--color-text); font-size: 0.9375rem; font-weight: 500; text-decoration: none; text-decoration-thickness: 1px; text-underline-offset: 8px; cursor: pointer; }
.nav-list > li > a:hover, .nav-dropdown summary:hover { color: var(--color-primary); text-decoration-line: underline; }
.nav-list a[aria-current="page"] { color: var(--color-primary); font-weight: 600; text-decoration-line: underline; }
.nav-dropdown { position: relative; }
.nav-dropdown summary { list-style: none; }
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary::after { margin-left: 8px; content: "+"; transition: transform var(--speed); }
.nav-dropdown details[open] summary::after { transform: rotate(45deg); }
.nav-dropdown details > ul { position: absolute; z-index: 50; top: calc(100% + 12px); left: 0; display: grid; width: 300px; padding: 8px; border: 1px solid var(--color-border); background: var(--color-background); box-shadow: var(--shadow); }
.nav-dropdown details > ul a { display: flex; min-height: 44px; align-items: center; padding: 8px 12px; color: var(--color-text); font-size: 0.9375rem; line-height: 1.35; text-decoration: none; }
.nav-dropdown details > ul a:hover, .nav-dropdown details > ul a[aria-current="page"] { background: var(--color-surface); color: var(--color-primary); }
.nav-whatsapp a { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; padding: 0 12px; color: var(--color-primary); font-size: 0.9375rem; font-weight: 500; text-decoration: none; }
.nav-whatsapp a:hover { text-decoration: underline; text-underline-offset: 8px; }
.nav-whatsapp svg { width: 20px; height: 20px; }

.header-cta { min-height: 44px; padding: 10px 18px; }
.menu-toggle { display: none; width: 44px; height: 44px; flex: 0 0 auto; padding: 11px 10px; border: 0; background: transparent; color: var(--color-primary); cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform var(--speed), opacity var(--speed); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Home: hero
   -------------------------------------------------------------------------- */
.hero { padding: calc(var(--header-height) + 40px) 0 64px; overflow-x: clip; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 64px; }
.hero-positioning { max-width: 36ch; margin-bottom: 18px; color: var(--color-primary); font-family: var(--font-display); font-size: clamp(1.375rem, 2.2vw, 1.625rem); font-weight: 500; line-height: 1.35; }
.hero-lead { margin-bottom: 30px; color: var(--color-muted); }
.hero-visual { width: 100%; max-width: 420px; justify-self: end; }
.portrait-frame { position: relative; padding: 16px; border: 1px solid var(--color-border); }
.portrait-frame::before { position: absolute; z-index: -1; inset: 8% -9% -7% 14%; background: var(--color-surface); content: ""; }
.portrait-frame img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: center 40%; }

/* Franja de principios */
.principles { padding-block: 52px; background: var(--color-primary); color: var(--color-white); }
.principle-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-block: 0; padding: 0; list-style: none; }
.principle-list li { display: grid; gap: 10px; padding-top: 16px; border-top: 1px solid var(--color-accent); }
.principle-list span { color: var(--color-accent); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; }
.principle-list strong { color: var(--color-white); font-size: 1.0625rem; font-weight: 500; line-height: 1.4; }

/* Historia */
.story { background: var(--color-surface); }
.story-grid { display: grid; grid-template-columns: 0.72fr 1.15fr; align-items: center; gap: 80px; }
.story-image { position: relative; width: 350px; max-width: calc(100% - 22px); }
.story-image::after { position: absolute; z-index: 0; inset: 22px -22px -22px 22px; border: 1px solid var(--color-accent); content: ""; }
.story-image img { position: relative; z-index: 1; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.story-copy p { color: var(--color-muted); }

/* Áreas de trabajo */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); }
.service-card { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 24px; padding: 40px; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); background: var(--color-background); transition: background-color var(--speed); }
.service-card:hover, .service-card:focus-within { background: var(--color-white); }
.service-card:first-child { background: var(--color-surface); }
.service-card:first-child:hover, .service-card:first-child:focus-within { background: var(--color-white); }
.service-number { padding-top: 10px; color: var(--color-muted); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; }
.service-card p { margin-bottom: 18px; color: var(--color-muted); }
.card-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--color-primary); font-size: 0.9375rem; font-weight: 600; text-decoration: none; }
.card-link::after { position: absolute; inset: 0; content: ""; }
.card-link:focus-visible { outline: none; }
.card-link:focus-visible::after { outline: 3px solid var(--color-primary); outline-offset: -3px; }
.card-link span { transition: transform var(--speed); }
.service-card:hover .card-link span { transform: translateX(4px); }

/* Proceso */
.process { background: var(--color-white); }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; }
.process-list li { padding: 32px 28px; border: 1px solid var(--color-border); border-right: 0; }
.process-list li:last-child { border-right: 1px solid var(--color-border); }
.process-list span { color: var(--color-muted); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; }
.process-list h3 { margin: 32px 0 12px; font-size: clamp(1.375rem, 1.8vw, 1.625rem); }
.process-list p { margin: 0; color: var(--color-muted); font-size: 0.9375rem; }

/* Sobre mí (Home) */
.about { background: var(--color-surface); }
.about-grid { display: grid; grid-template-columns: 0.68fr 1.05fr; align-items: center; gap: 90px; }
.about-image { position: relative; width: 360px; max-width: calc(100% - 26px); }
.about-image::before { position: absolute; inset: 26px -26px -26px 26px; border: 1px solid var(--color-accent); content: ""; }
.about-image img { position: relative; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.about-copy > p { color: var(--color-muted); }
.credentials { display: grid; gap: 4px; margin: 28px 0 20px; padding: 22px 0; border-top: 1px solid var(--color-accent); border-bottom: 1px solid var(--color-accent); color: var(--color-muted); font-size: 0.9375rem; }
.credentials strong { color: var(--color-primary); font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }

/* FAQ */
.faq-wrap { max-width: 860px; }
.accordion { border-top: 1px solid var(--color-border); }
.accordion details { border-bottom: 1px solid var(--color-border); }
.accordion summary { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; color: var(--color-primary); cursor: pointer; font-family: var(--font-display); font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; line-height: 1.25; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { flex: 0 0 auto; font-family: var(--font-body); font-size: 1.5rem; font-weight: 400; transition: transform var(--speed); }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { padding-right: 40px; color: var(--color-muted); }
.accordion details p:last-child { margin-bottom: 0; padding-bottom: 24px; }

/* CTA final */
.cta-final { padding-block: 0 clamp(72px, 9vw, 120px); }
.contact-card { padding: clamp(64px, 8vw, 100px) clamp(24px, 6vw, 60px); background: var(--color-primary); color: var(--color-white); text-align: center; }
.contact-card h2 { max-width: 24ch; margin-inline: auto; color: var(--color-white); }
.contact-card > p { margin-inline: auto; color: var(--color-border); }
.contact-card .contact-mark { width: 90px; height: 90px; margin: 0 auto 26px; }
.contact-card .actions { justify-content: center; margin-top: 34px; }
.contact-card .channel-note { margin-inline: auto; color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Páginas internas
   -------------------------------------------------------------------------- */
.page-hero { padding: calc(var(--header-height) + 48px) 0 64px; background: var(--color-surface); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr 0.65fr; align-items: center; gap: 72px; }
.page-hero h1 { max-width: 20ch; }
.page-lead { max-width: 40ch; margin-bottom: 30px; color: var(--color-muted); font-family: var(--font-display); font-size: clamp(1.375rem, 2.4vw, 1.75rem); font-weight: 500; line-height: 1.4; }
.page-portrait { justify-self: end; width: 300px; }
.page-portrait img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.content-band { background: var(--color-surface); }
.narrow-content { max-width: 780px; }
.prose p { color: var(--color-muted); }
.split-content { display: grid; grid-template-columns: 0.72fr 1.1fr; align-items: start; gap: 64px; }
.split-content > div > p { color: var(--color-muted); }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); list-style: none; }
.feature-list li { padding: 18px 20px; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); color: var(--color-primary); font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.list-title { margin-top: 32px; }
.credential-cards { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); }
.credential-cards article { padding: 26px; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.credential-cards span { color: var(--color-muted); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; }
.credential-cards h3 { margin: 24px 0 8px; }
.credential-cards p { margin: 0; color: var(--color-muted); }

/* Contacto */
.contact-options { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: start; gap: 60px; }
.booking-panel { padding: clamp(28px, 4vw, 40px); border: 1px solid var(--color-border); background: var(--color-surface); }
.booking-panel > p:not(.eyebrow):not(.channel-note) { color: var(--color-text); font-size: 1.0625rem; }
.booking-panel .actions { margin-top: 26px; }
.modality-list { display: grid; border-top: 1px solid var(--color-border); }
.modality-list > div { padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.modality-list h2 { max-width: none; margin-bottom: 8px; font-size: clamp(1.375rem, 2.2vw, 1.875rem); line-height: 1.2; }
.modality-list p { margin: 0; color: var(--color-muted); }
.modality-list a { display: inline-flex; min-height: 44px; align-items: center; color: var(--color-primary); overflow-wrap: anywhere; text-underline-offset: 4px; }

/* 404 */
.error-page { min-height: 70vh; padding: calc(var(--header-height) + 72px) 0 96px; text-align: center; }
.error-page h1 { max-width: 22ch; margin-inline: auto; font-size: clamp(2rem, 4.5vw, 3.5rem); }
.error-page .actions { justify-content: center; }

/* Aviso de urgencias (componente listo; se activa cuando D3 esté aprobado) */
.emergency-note { margin: 0; padding: 18px 20px; border-left: 3px solid var(--color-accent); background: var(--color-surface); color: var(--color-text); font-size: 0.9375rem; }
.emergency-note p { margin: 0; }
.narrow-content .emergency-note { margin-top: 32px; }
/* El relleno vertical amplía el área táctil (≥ 44 px) sin abrir el interlineado */
.emergency-note a { padding-block: 13px; color: var(--color-primary); font-weight: 600; text-underline-offset: 3px; }
.site-footer .emergency-note { margin-top: 40px; border-left-color: var(--color-accent); background: var(--color-primary); color: var(--color-border); }
.site-footer .emergency-note a { color: var(--color-white); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer { padding: 72px 0 28px; background: var(--color-primary-dark); color: var(--color-border); }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1fr; align-items: start; gap: 48px; }
.footer-brand { display: flex; min-height: 44px; align-items: center; gap: 14px; color: var(--color-white); text-decoration: none; }
.footer-brand img { width: 62px; height: 62px; }
.footer-brand span { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; line-height: 1.15; }
.footer-identity ul, .footer-column ul { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.footer-identity ul { margin-top: 16px; font-size: 0.9375rem; }
.footer-column p { margin: 0 0 4px; font-size: 0.9375rem; }
.footer-column .footer-block + .footer-block { margin-top: 18px; }
.footer-column a { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--color-white); font-size: 0.9375rem; text-decoration: underline; text-decoration-color: var(--color-muted); text-underline-offset: 5px; transition: text-decoration-color var(--speed); }
.footer-column a:hover { text-decoration-color: var(--color-white); }
.footer-column svg { width: 18px; height: 18px; }
.footer-legal { margin-top: 32px; }
.button-legal { min-height: 44px; padding: 10px 18px; border-color: var(--color-accent); background: transparent; color: var(--color-background); font-weight: 500; }
.button-legal:hover { border-color: var(--color-background); background: var(--color-primary); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 30px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--color-primary); color: var(--color-accent); font-size: 0.8125rem; }
.footer-bottom p { margin: 0; }

/* --------------------------------------------------------------------------
   Barra fija inferior (solo móvil, la controla script.js)
   -------------------------------------------------------------------------- */
.sticky-cta { display: none; }

/* --------------------------------------------------------------------------
   Revelado al hacer scroll (nunca en el hero; nunca con movimiento reducido)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-ready [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 250ms ease-out, transform 250ms ease-out; }
  .reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* --------------------------------------------------------------------------
   Escritorio amplio
   -------------------------------------------------------------------------- */
@media (min-width: 961px) {
  :root { --header-height: 88px; }
  body { font-size: 1.0625rem; }
  .brand img { width: 50px; height: 50px; }
}

/* --------------------------------------------------------------------------
   Menú compacto (hamburguesa) hasta 1100px
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .menu-toggle { display: block; }
  .main-nav { position: fixed; z-index: 39; top: var(--header-height); right: 0; left: 0; max-height: calc(100dvh - var(--header-height)); padding: 16px var(--gutter) 32px; overflow-y: auto; border-bottom: 1px solid var(--color-border); background: var(--color-background); box-shadow: var(--shadow); opacity: 0; transform: translateY(-8px); transition: opacity var(--speed), transform var(--speed), visibility 0s linear var(--speed); visibility: hidden; }
  .main-nav.is-open { opacity: 1; transform: none; transition: opacity var(--speed), transform var(--speed); visibility: visible; }
  .nav-list { display: grid; gap: 0; }
  .nav-list > li > a, .nav-dropdown summary { min-height: 52px; padding: 0; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }
  .nav-dropdown details > ul { position: static; width: auto; padding: 0 0 8px 16px; border: 0; box-shadow: none; }
  .nav-dropdown details > ul a { padding: 8px 0; font-size: 1rem; }
  .nav-dropdown details > ul a:hover, .nav-dropdown details > ul a[aria-current="page"] { background: transparent; text-decoration: underline; }
  .nav-whatsapp a { min-height: 52px; padding: 0; font-size: 1rem; }
}

/* --------------------------------------------------------------------------
   Tableta y móvil (≤ 960px)
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  body { padding-bottom: calc(var(--sticky-height) + env(safe-area-inset-bottom)); }
  .site-header.is-hidden { transform: translateY(-100%); }

  .sticky-cta { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: flex; gap: 10px; padding: 8px var(--gutter) calc(8px + env(safe-area-inset-bottom)); border-top: 1px solid var(--color-border); background: var(--color-background); transform: translateY(100%); transition: transform var(--speed), visibility 0s linear var(--speed); visibility: hidden; }
  .sticky-cta.is-visible { transform: none; transition: transform var(--speed); visibility: visible; }
  .sticky-cta .button { min-height: 56px; }
  .sticky-cta .button:first-child { flex: 1 1 auto; }
  .sticky-cta .sticky-whatsapp { width: 56px; flex: 0 0 56px; padding: 0; }
  .sticky-cta .sticky-whatsapp svg { width: 24px; height: 24px; }

  .hero-grid, .story-grid, .about-grid, .page-hero-grid, .split-content, .contact-options { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 460px; justify-self: start; }
  .page-portrait { justify-self: start; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-list li { border-bottom: 0; }
  .process-list li:nth-child(even) { border-right: 1px solid var(--color-border); }
  .process-list li:last-child { grid-column: 1 / -1; border-bottom: 1px solid var(--color-border); }
  .credential-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-identity { grid-column: 1 / -1; }
}

/* --------------------------------------------------------------------------
   Móvil (≤ 640px)
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .header-inner { gap: 8px; }
  .brand { gap: 0; }
  .brand img { width: 40px; height: 40px; }
  .brand-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
  .header-cta { padding: 10px 12px; letter-spacing: 0; }
  .header-cta [aria-hidden="true"] { display: none; }

  .actions { align-items: stretch; flex-direction: column; }
  .actions .button { width: 100%; }
  .hero { padding-bottom: 48px; }
  .portrait-frame { padding: 10px; }
  .principle-list { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { grid-template-columns: 1fr; gap: 8px; padding: 28px 20px; }
  .service-number { padding-top: 0; }
  .story-image { width: min(315px, calc(100% - 22px)); }
  .about-image { width: min(315px, calc(100% - 26px)); }
  .about-image::before { inset: 16px -16px -16px 16px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:nth-child(even) { border-right: 1px solid var(--color-border); }
  .process-list li:last-child { grid-column: auto; }
  .process-list h3 { margin-top: 20px; }
  .feature-list, .credential-cards { grid-template-columns: 1fr; }
  .page-portrait { width: min(260px, 100%); }
  .accordion details p { padding-right: 0; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
}