/* ==========================================================================
   SYNAPTIKA · Neuropsicología — Sitio web (one-page)
   Depende de brand.css (tokens y tipografías).
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--blanco); color: var(--tinta);
  font-family: var(--font-text); font-size: 1.0625rem; line-height: 1.55;
  font-feature-settings: "kern", "liga";
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--petroleo); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { color: var(--petroleo-500); }
:focus-visible { outline: 3px solid var(--ocre); outline-offset: 3px; border-radius: 2px; }
p { margin: 0 0 1em; }
p, li, h1, h2, h3, figcaption { text-wrap: pretty; }
ul { margin: 0.4em 0 0; padding-left: 1.15em; }
li { margin-bottom: 0.35em; }
li::marker { color: var(--ocre); }
strong { font-weight: 600; }

h1, h2, h3 { font-family: var(--font-display); color: var(--petroleo); font-weight: 500; margin: 0; line-height: 1.12; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); letter-spacing: -0.005em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.35rem; font-weight: 600; line-height: 1.25; }
.lead { font-size: 1.2rem; line-height: 1.5; max-width: 42rem; }
.muted { color: var(--gris-600); }
.small { font-size: 0.92rem; }

.wrap { width: min(100% - 2rem, 1120px); margin-inline: auto; }
@media (min-width: 720px) { .wrap { width: min(100% - 3rem, 1120px); } }

/* Regla de hemisferios (oro | gris, corte diagonal): motivo del logotipo */
.hrule { display: block; width: 4.6rem; height: 4px; margin: 1rem 0 1.4rem; }
.hrule.center { margin-inline: auto; }

/* ---------- Accesos ---------- */
.skip { position: absolute; left: -999px; top: 0; background: var(--petroleo); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3rem; padding: .7rem 1.5rem;
       border-radius: var(--radius-pill); font-weight: 600; font-size: 1.02rem; text-decoration: none; border: 2px solid transparent;
       transition: background-color .15s ease, color .15s ease, border-color .15s ease; }
.btn-primary { background: var(--ocre-600); color: #fff; border-color: var(--ocre-600); }
.btn-primary:hover { background: var(--ocre-700); border-color: var(--ocre-700); color: #fff; }
.btn-secondary { background: transparent; color: var(--petroleo); border-color: var(--petroleo); }
.btn-secondary:hover { background: var(--petroleo-50); color: var(--petroleo); }
.btn-petroleo { background: var(--petroleo); color: #fff; border-color: var(--petroleo); }
.btn-petroleo:hover { background: var(--petroleo-900); border-color: var(--petroleo-900); color: #fff; }
.btn-morado { background: var(--morado); color: #fff; border-color: var(--morado); }
.btn-morado:hover { background: #4A1A5E; border-color: #4A1A5E; color: #fff; }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }

/* ---------- Encabezado ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--gris-300); backdrop-filter: saturate(140%) blur(6px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 2.9rem; width: auto; }
@media (min-width: 900px) { .brand img { height: 3.25rem; } }
.nav { display: none; align-items: center; gap: 1.6rem; }
.nav a { text-decoration: none; color: var(--tinta); font-weight: 600; font-size: .98rem; }
.nav a:hover { color: var(--petroleo); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: #fff; }
.nav .btn { min-height: 2.6rem; padding: .45rem 1.2rem; font-size: .95rem; }
.nav-toggle { display: inline-flex; align-items: center; gap: .5rem; background: none; border: 2px solid var(--petroleo); color: var(--petroleo);
              border-radius: var(--radius-pill); padding: .45rem .95rem; font: inherit; font-weight: 600; cursor: pointer; }
.nav-toggle svg { width: 1.2rem; height: 1.2rem; }
@media (min-width: 900px) { .nav { display: flex; } .nav-toggle { display: none; } }
.site-header.open .nav { display: flex; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0;
                         background: #fff; border-bottom: 1px solid var(--gris-300); padding: .5rem 1rem 1rem; }
.site-header.open .nav a { padding: .8rem .5rem; border-top: 1px solid var(--gris-300); }
.site-header.open .nav .btn { margin-top: .75rem; border-top: 0; justify-content: center; }

/* ---------- Hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 6vw, 4.5rem); background: var(--crema); border-bottom: 1px solid var(--gris-300); }
.hero .wrap { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: 1.1fr .9fr; gap: 4rem; } }
.hero .kicker { color: var(--petroleo); font-weight: 600; margin-bottom: .8rem; }
.hero h1 { max-width: 14em; }
.hero .lead { margin: 1.4rem 0 1.8rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero .photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 4.2; background: var(--petroleo-50); }
.hero .photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero .where { margin: 1.4rem 0 0; color: var(--gris-600); }

/* ---------- Secciones ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section + .section { border-top: 1px solid var(--gris-300); }
.section.tint { background: var(--crema); }
.section-head { margin-bottom: 2.2rem; }
.section-head .lead { margin-bottom: 0; }

.pop { display: grid; gap: 1.5rem; }
@media (min-width: 720px) { .pop { grid-template-columns: 1fr 1fr 1.3fr; gap: 2.5rem; } }
.pop div { border-top: 3px solid var(--petroleo); padding-top: 1rem; }
.pop .display { font-family: var(--font-display); font-size: 1.6rem; color: var(--petroleo); display: block; margin-bottom: .3rem; }

.grid-2 { display: grid; gap: 1.5rem; }
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; gap: 2rem; } }
.card { background: var(--petroleo-50); border-radius: var(--radius); padding: 1.6rem 1.7rem 1.7rem; }
.card h3 { margin-bottom: .5rem; }
.card.vr { background: var(--ocre-100); }
.card.vr h3 { color: var(--ocre-700); }
.card .what { color: var(--gris-600); margin-bottom: .6rem; }
.card .list { margin: 0; }

/* Equipo */
.profiles { display: grid; gap: 2rem; }
@media (min-width: 900px) { .profiles { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.profile { border-left: 3px solid var(--oro-logo); padding-left: 1.4rem; }
.profile h3 { font-size: 1.55rem; font-weight: 500; }
.profile .role { color: var(--gris-600); margin: .35rem 0 .8rem; }
.profile .role b { color: var(--tinta); font-weight: 600; }
.note { background: var(--petroleo-50); border-radius: var(--radius); padding: 1.1rem 1.4rem; margin-top: 2rem; }
.note b { color: var(--petroleo); }
.note p { margin: 0; }

/* Galería */
.gallery { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
@media (min-width: 720px) { .gallery { grid-template-columns: repeat(2, 1fr); } .gallery .big { grid-column: 1 / -1; } }
@media (min-width: 1000px) { .gallery { grid-template-columns: repeat(4, 1fr); } }
.gallery figure { margin: 0; }
.gallery .ph { border-radius: var(--radius); overflow: hidden; aspect-ratio: 1 / 1; background: var(--petroleo-50); }
.gallery .big .ph { aspect-ratio: 4 / 3; }
@media (min-width: 720px) { .gallery .big .ph { aspect-ratio: 16 / 7.2; } }
.gallery img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.gallery figcaption { padding-top: .6rem; color: var(--gris-600); font-size: .95rem; line-height: 1.4; }
.gallery figcaption b { display: block; color: var(--petroleo); font-weight: 600; font-size: 1.05rem; }

/* Proceso */
.proceso-grid { display: grid; gap: 2rem; align-items: start; }
@media (min-width: 1000px) { .proceso-grid { grid-template-columns: 1.4fr 1fr; gap: 3.5rem; } .proceso-grid .frame { grid-template-columns: 1fr; margin-top: 0; } }
.steps { counter-reset: paso; max-width: 48rem; }
.step { display: grid; grid-template-columns: 2.6rem 1fr; gap: .6rem; padding: 1.4rem 0; border-top: 1px solid var(--gris-300); }
@media (min-width: 720px) { .step { grid-template-columns: 3.6rem 1fr; } }
.step:last-child { border-bottom: 1px solid var(--gris-300); }
.step .n { font-family: var(--font-display); font-size: 2rem; line-height: 1.1; color: var(--ocre); font-weight: 500; }
@media (min-width: 720px) { .step .n { font-size: 2.4rem; line-height: 1; } }
.step h3 { margin-bottom: .35rem; }
.step p { margin: 0; }
.frame { display: grid; gap: 1.25rem; margin-top: 2rem; max-width: 48rem; }
@media (min-width: 720px) { .frame { grid-template-columns: 1fr 1fr; } }
.frame .note { margin-top: 0; }

/* Contacto */
.contact { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .contact { grid-template-columns: 1.1fr .9fr; gap: 3rem; } }
.ccards { display: grid; gap: 1rem; }
.ccards .hint { grid-column: 1 / -1; margin: 0; color: var(--gris-600); }
.ccard { border: 1px solid var(--gris-300); border-radius: var(--radius); padding: 1.3rem 1.4rem; display: grid; gap: .35rem; }
.ccard h3 { font-size: 1.2rem; }
.ccard .who { color: var(--gris-600); margin: 0; }
.ccard .num { font-size: 1.25rem; font-weight: 600; margin: 0; }
.ccard .btn { justify-self: start; margin-top: .5rem; }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gris-300); min-height: 22rem; background: var(--petroleo-50); }
.map iframe { width: 100%; height: 100%; min-height: 22rem; border: 0; display: block; }
.addr { margin: 0; line-height: 1.45; }

/* Pie */
.site-footer { background: var(--petroleo); color: var(--petroleo-100); padding: 3rem 0 2rem; border-top: 4px solid var(--oro-logo); }
.site-footer .wrap { display: grid; gap: 2rem; }
@media (min-width: 800px) { .site-footer .wrap { grid-template-columns: 1fr auto; align-items: start; } }
.site-footer .brandline { font-family: var(--font-display); color: #fff; font-size: 1.5rem; }
.site-footer p { margin: .4rem 0 0; max-width: 40rem; }
.site-footer b { color: #fff; font-weight: 600; }
.site-footer a { color: #fff; }
.site-footer .iso { width: 7rem; opacity: .95; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.18); padding-top: 1.2rem; display: flex; flex-wrap: wrap; gap: 1rem 2rem; font-size: .92rem; }

/* Botón flotante de WhatsApp (solo en móvil y tabletas: en escritorio el menú ya lo ofrece) */
.wa-float { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; display: inline-flex; align-items: center; gap: .5rem; background: var(--petroleo);
            color: #fff; text-decoration: none; font-weight: 600; padding: .8rem 1.1rem; border-radius: var(--radius-pill); box-shadow: 0 6px 18px rgba(5,63,71,.28); }
.wa-float svg { width: 1.25rem; height: 1.25rem; }
.wa-float:hover { background: var(--petroleo-900); color: #fff; }
@media (min-width: 900px) { .wa-float { display: none; } }

/* Página legal */
.legal-page { padding: clamp(2.5rem, 6vw, 4rem) 0; }
.legal-page .wrap { max-width: 50rem; }
.legal-page h2 { font-size: 1.4rem; margin: 2rem 0 .6rem; font-weight: 600; }
.legal-page .pendiente { background: #FFF1C2; border-bottom: 2px solid var(--ocre); padding: 0 .12em; }
.legal-page .aviso-nota { background: var(--ocre-100); border-left: 3px solid var(--ocre); padding: .9rem 1.1rem; border-radius: var(--radius); }