/* ===== Colores y tipografía (editá acá para cambiar el estilo) ===== */
:root {
  /* Paleta "Medianoche y celeste" */
  --tinta: #0b1b33;          /* azul medianoche: fondos oscuros */
  --tinta-2: #112a50;        /* azul medianoche, un tono más claro */
  --azul: #14366b;           /* azul institucional: íconos */
  --acento: #2f6fe4;         /* azul vivo: botones y detalles */
  --celeste: #7fb6f2;        /* celeste: detalles sobre fondo oscuro */
  --hielo: #eef4fb;          /* celeste muy claro: fondo de secciones */
  --papel: #fafcfe;          /* fondo general */
  --texto: #0f1b2d;
  --texto-suave: #4a5568;
  --linea: #dce5f0;
  --blanco: #ffffff;
  --fuente-titulos: "Manrope", "Inter", system-ui, sans-serif;
  --fuente-texto: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--fuente-texto);
  color: var(--texto);
  background: var(--papel);
  line-height: 1.75;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--fuente-titulos); font-weight: 600; line-height: 1.2; color: var(--tinta); letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: 1.15rem; margin-bottom: .5rem; }
p  { color: var(--texto-suave); }
a  { color: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: flex; align-items: center; gap: .9rem;
  text-transform: uppercase; letter-spacing: .16em; font-size: .74rem;
  font-weight: 600; color: var(--acento); margin-bottom: 1.4rem;
}
.eyebrow::before { content: ""; width: 36px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--celeste); }

/* ===== Botones ===== */
.btn {
  display: inline-block; padding: 1rem 2rem; text-decoration: none; cursor: pointer;
  font: 600 .78rem/1 var(--fuente-texto); text-transform: uppercase; letter-spacing: .16em;
  border: 1px solid transparent; border-radius: 2px; transition: background .25s, color .25s, border-color .25s;
}
.btn--gold { background: var(--acento); color: var(--blanco); border-color: var(--acento); }
.btn--gold:hover { background: #2459c2; border-color: #2459c2; }
.btn--line { color: var(--blanco); border-color: rgba(255,255,255,.45); }
.btn--line:hover { border-color: var(--celeste); color: var(--celeste); }
.btn--small { padding: .8rem 1.3rem; font-size: .7rem; }
.btn--block { width: 100%; }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible, button:focus-visible {
  outline: 2px solid var(--celeste); outline-offset: 3px;
}

.link-arrow {
  display: inline-block; margin-top: 1.5rem; color: var(--tinta); font-weight: 600; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .16em; text-decoration: none;
  border-bottom: 1px solid var(--acento); padding-bottom: .3rem;
}
.link-arrow::after { content: " →"; color: var(--acento); }

/* ===== Encabezado ===== */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(250,252,254,.97);
  border-bottom: 1px solid var(--linea); transition: box-shadow .3s;
}
.header.is-scrolled { box-shadow: 0 8px 30px rgba(11,27,51,.08); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 84px; }

.logo { display: flex; align-items: center; gap: .9rem; text-decoration: none; }
.logo__mark {
  width: 46px; height: 46px; border: 1px solid var(--acento); color: var(--tinta);
  display: grid; place-items: center; font: 700 1rem var(--fuente-titulos); letter-spacing: .04em;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name { font: 700 1.15rem var(--fuente-titulos); color: var(--tinta); letter-spacing: -.01em; }
.logo__sub { font-size: .64rem; text-transform: uppercase; letter-spacing: .18em; color: var(--acento); margin-top: .25rem; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav a:not(.btn) {
  text-decoration: none; font-size: .76rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .14em; color: var(--tinta); position: relative; padding: .3rem 0;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--acento); transition: width .25s;
}
.nav a:not(.btn):hover::after { width: 100%; }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 1.5px; background: var(--tinta); margin: 6px 0; transition: .25s; }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden; color: var(--blanco);
  background:
    radial-gradient(ellipse at 85% 10%, rgba(47,111,228,.25), transparent 55%),
    linear-gradient(160deg, var(--tinta-2) 0%, var(--tinta) 70%);
  padding: 120px 0 130px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .06;
  background-image: linear-gradient(rgba(255,255,255,1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,1) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to left, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(to left, #000, transparent 70%);
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem; align-items: center; }
.hero h1 { color: var(--blanco); margin-bottom: 1.8rem; }
.hero h1 em { font-style: normal; font-weight: 500; color: var(--celeste); }
.hero__lead { color: rgba(255,255,255,.78); font-size: 1.1rem; max-width: 580px; margin-bottom: 2.6rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__card {
  border: 1px solid rgba(127,182,242,.3); padding: 2.4rem 2.2rem;
  background: rgba(255,255,255,.03); backdrop-filter: blur(4px);
}
.hero__card-title {
  font: 600 1.15rem var(--fuente-titulos); color: var(--blanco);
  padding-bottom: 1.2rem; margin-bottom: 1.2rem; border-bottom: 1px solid rgba(127,182,242,.3);
}
.hero__card ul { list-style: none; }
.hero__card li { padding: .9rem 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.hero__card li:last-child { border-bottom: 0; }
.hero__card strong { display: block; color: var(--celeste); font-weight: 600; font-size: .95rem; }
.hero__card span { color: rgba(255,255,255,.65); font-size: .9rem; }

/* ===== Credenciales ===== */
.creds { background: var(--blanco); border-bottom: 1px solid var(--linea); }
.creds__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.creds__item { padding: 2.4rem 1.8rem; border-left: 1px solid var(--linea); }
.creds__item:first-child { border-left: 0; padding-left: 0; }
.creds__num { display: block; font: 600 1.5rem var(--fuente-titulos); color: var(--acento); line-height: 1; margin-bottom: .7rem; }
.creds__item p { color: var(--tinta); font-weight: 500; font-size: .95rem; line-height: 1.5; }

/* ===== Secciones ===== */
.section { padding: 120px 0; }
.section--ivory { background: var(--hielo); }
.section--dark { background: var(--tinta); }
.section--dark h2, .section--dark h3 { color: var(--blanco); }
.section--dark p { color: rgba(255,255,255,.7); }
.section__head { max-width: 760px; margin-bottom: 4rem; }

/* Declaración */
.statement__grid { display: grid; grid-template-columns: 1fr 2.4fr; gap: 3rem; }
.statement blockquote {
  font: 500 clamp(1.7rem, 3.4vw, 2.6rem)/1.25 var(--fuente-titulos); color: var(--tinta); letter-spacing: -.02em;
  margin-bottom: 1.8rem;
}
.statement blockquote::before { content: "“"; color: var(--acento); }
.statement blockquote::after { content: "”"; color: var(--acento); }
.statement p { font-size: 1.08rem; max-width: 720px; }

/* Áreas */
.areas {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--linea); border-left: 1px solid var(--linea);
}
.areas li {
  display: flex; align-items: center; gap: 1.1rem; padding: 1.8rem 1.6rem;
  border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea);
  font: 600 1.02rem/1.35 var(--fuente-titulos); color: var(--tinta);
  background: var(--hielo); transition: background .25s;
}
.areas li:hover { background: var(--blanco); }
.areas__icon {
  flex: 0 0 48px; width: 48px; height: 48px; border: 1px solid var(--acento);
  border-radius: 50%; display: grid; place-items: center;
}
.areas__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--azul); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* El estudio */
.about { display: grid; grid-template-columns: 1fr 1.25fr; gap: 6rem; align-items: center; }
.about__photo { position: relative; }
.about__photo::before {
  content: ""; position: absolute; inset: 24px -24px -24px 24px; border: 1px solid var(--acento); z-index: 0;
}
.about__photo img, .about__placeholder {
  position: relative; z-index: 1; display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
}
.about__placeholder {
  background: linear-gradient(160deg, var(--tinta-2), var(--tinta));
  display: grid; place-items: center; font: 600 4.5rem var(--fuente-titulos); color: var(--celeste); letter-spacing: .02em;
}
.about__role { text-transform: uppercase; letter-spacing: .2em; font-size: .75rem; font-weight: 600; color: var(--acento); margin: -.3rem 0 1.8rem; }
.about__text > p:not(.eyebrow):not(.about__role) { margin-bottom: 1.1rem; }
.about__creds { margin-top: 2.2rem; border-top: 1px solid var(--linea); }
.about__creds div { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--linea); }
.about__creds dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 600; color: var(--texto-suave); padding-top: .15rem; }
.about__creds dd { color: var(--tinta); font-weight: 500; }

/* Proceso */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(127,182,242,.3); }
.steps li { padding: 2.4rem 2rem 0 0; position: relative; }
.steps li::before {
  content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px;
  background: var(--acento); transform: rotate(45deg);
}
.steps__num { display: block; font: 600 1.6rem/1 var(--fuente-titulos); color: var(--celeste); margin-bottom: 1rem; }

/* Preguntas */
.faq-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: start; }
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  cursor: pointer; padding: 1.5rem 3rem 1.5rem 0; list-style: none; position: relative;
  font: 600 1.08rem/1.4 var(--fuente-titulos); color: var(--tinta);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font: 300 1.6rem var(--fuente-texto); color: var(--acento); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 3rem 1.6rem 0; }

/* Contacto */
.contact-section { background: linear-gradient(160deg, var(--tinta) 0%, #07142a 100%); }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 5rem; align-items: start; }
.contact__list { list-style: none; margin-top: 2.4rem; border-top: 1px solid rgba(255,255,255,.12); }
.contact__list li { display: grid; grid-template-columns: 110px 1fr; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.12); color: var(--blanco); }
.contact__list span { font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; color: var(--celeste); font-weight: 600; padding-top: .2rem; }
.contact__list a { text-decoration: none; }
.contact__list a:hover { color: var(--celeste); }

.form { background: var(--papel); padding: 3rem; border-top: 3px solid var(--acento); }
.form__title { font: 600 1.5rem var(--fuente-titulos); color: var(--tinta); margin-bottom: 1.6rem; }
.form__row { margin-bottom: 1.3rem; }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form label { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 600; margin-bottom: .45rem; color: var(--texto-suave); }
.form input, .form textarea {
  width: 100%; padding: .85rem 0; border: 0; border-bottom: 1px solid #c9d5e3; border-radius: 0;
  font: inherit; color: var(--texto); background: transparent; transition: border-color .2s;
}
.form input:focus, .form textarea:focus { border-bottom-color: var(--acento); outline: none; }
.form textarea { resize: vertical; }
.form .is-invalid { border-bottom-color: #b3261e; }
.form__error { color: #b3261e; font-weight: 500; margin-bottom: 1rem; font-size: .9rem; }
.form .btn { margin-top: .6rem; }
.form__note { font-size: .8rem; text-align: center; margin-top: 1rem; }

/* Pie */
.footer { background: #06101f; color: rgba(255,255,255,.6); padding: 70px 0 30px; font-size: .9rem; }
.footer p { color: inherit; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer__brand { font: 700 1.25rem var(--fuente-titulos); color: var(--blanco) !important; margin-bottom: .3rem; }
.footer__label { font-size: .7rem; text-transform: uppercase; letter-spacing: .18em; color: var(--celeste) !important; font-weight: 600; margin-bottom: .6rem; }
.footer__bottom { display: flex; justify-content: space-between; gap: 2rem; padding-top: 1.6rem; font-size: .78rem; }

/* WhatsApp flotante */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 56px; height: 56px;
  border-radius: 50%; background: #25d366; display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.25); transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.07); }
.whatsapp-float svg { width: 28px; height: 28px; fill: var(--blanco); }

/* Animación al aparecer */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Tablet ===== */
@media (max-width: 1024px) {
  .nav { gap: 1.4rem; }
  .hero__grid, .about, .faq-grid, .contact { grid-template-columns: 1fr; gap: 3.5rem; }
  .hero__card { max-width: 520px; }
  .areas { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .creds__grid { grid-template-columns: repeat(2, 1fr); }
  .creds__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .creds__item:nth-child(n+3) { border-top: 1px solid var(--linea); }
  .statement__grid { grid-template-columns: 1fr; gap: 0; }
  .about__photo { max-width: 420px; }
}

/* ===== Celular ===== */
@media (max-width: 820px) {
  .container { padding: 0 20px; }

  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--papel);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 20px 1.5rem;
    border-bottom: 1px solid var(--linea); box-shadow: 0 20px 30px rgba(11,27,51,.1); display: none;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: 1rem 0; border-bottom: 1px solid var(--linea); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 1.2rem; text-align: center; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .header__inner { min-height: 72px; }
  .logo__name { font-size: 1.05rem; }
  .logo__mark { width: 40px; height: 40px; font-size: .9rem; }

  .hero { padding: 80px 0 90px; }
  .hero h1 br { display: none; }
  .section { padding: 80px 0; }
  .section__head { margin-bottom: 2.5rem; }
  .section__head h2 br { display: none; }
  .areas, .steps, .form__grid, .footer__grid { grid-template-columns: 1fr; }
  .creds__grid { grid-template-columns: 1fr; }
  .creds__item { border-left: 0; padding: 1.6rem 0; }
  .creds__item + .creds__item { border-top: 1px solid var(--linea); }
  .areas li { padding: 1.3rem 1.2rem; }
  .about__photo::before { inset: 14px -14px -14px 14px; }
  .about__creds div { grid-template-columns: 1fr; gap: .2rem; }
  .form { padding: 2rem 1.4rem; }
  .contact__list li { grid-template-columns: 1fr; gap: .2rem; }
  .footer__bottom { flex-direction: column; gap: .6rem; }
}