/* ==========================================================================
   SH Contable · Asesoría Contable & Tributaria
   home.css — página principal. Depende de base.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Navegación
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid transparent;
  transition: background-color .3s var(--ease), border-color .3s var(--ease),
              box-shadow .3s var(--ease);
}
.nav.is-stuck {
  background: rgba(7, 23, 38, .88);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 34px rgba(4, 14, 24, .34);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(.85rem, .7rem + .6vw, 1.15rem);
}

.nav__links { display: flex; align-items: center; gap: clamp(1rem, .4rem + 1.2vw, 1.9rem); }
.nav__link {
  position: relative;
  font-size: .9063rem;
  color: var(--text-soft);
  padding-block: .3rem;
  transition: color .2s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1.5px;
  background: var(--teal-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-content: center;
  border: 0;
  background: none;
  color: var(--text);
  cursor: pointer;
  border-radius: var(--r-sm);
}
.nav-toggle__bars { position: relative; width: 22px; height: 14px; }
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.6px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease), top .3s var(--ease);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 6.2px; }
.nav-toggle__bars span:nth-child(3) { top: 12.4px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { top: 6.2px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { top: 6.2px; transform: rotate(-45deg); }

/* --------------------------------------------------------------------------
   2. Estructura de secciones
   -------------------------------------------------------------------------- */
.section { padding-block: clamp(3.5rem, 2.6rem + 4vw, 6.5rem); }
.section--raised { background: rgba(255, 255, 255, .022); border-block: 1px solid var(--border); }

.section__head { max-width: 60ch; margin-bottom: clamp(2.25rem, 1.8rem + 2vw, 3.5rem); }
.section__head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1rem;
  padding: .34rem .85rem .34rem .5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-soft);
}
.eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, .18);
}

.section__title {
  font-size: clamp(1.75rem, 1.35rem + 2vw, 2.75rem);
  margin-bottom: .9rem;
}
.section__title em { font-style: normal; color: var(--teal-bright); }

.section__lead {
  font-size: clamp(1rem, .96rem + .2vw, 1.0938rem);
  color: var(--text-soft);
  max-width: 62ch;
}
.section__head--center .section__lead { margin-inline: auto; }
/* Dos párrafos de bajada seguidos necesitan aire entre ellos. Va como regla
   y no como style="" en línea: la CSP del sitio bloquea los estilos inline. */
.section__lead + .section__lead { margin-top: .9rem; }

/* --------------------------------------------------------------------------
   3. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-top: clamp(3rem, 2rem + 5vw, 6rem);
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 4rem);
}

.hero__title {
  max-width: 15em;
  font-size: clamp(2.25rem, 1.5rem + 3.6vw, 4.25rem);
  margin-bottom: 1.35rem;
}
.hero__title em { font-style: normal; color: var(--teal-bright); }

.hero__lead {
  max-width: 56ch;
  font-size: clamp(1.0313rem, .97rem + .35vw, 1.1875rem);
  color: var(--text-soft);
  margin-bottom: 2.1rem;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.5rem; }

.hero__chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: .8125rem;
  color: var(--text-soft);
}
.chip svg { color: var(--teal-bright); flex: none; }

/* -------- Botón secundario -------- */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .82rem 1.4rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  color: var(--text);
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: -.012em;
  transition: border-color .2s var(--ease), background-color .2s var(--ease),
              transform .2s var(--ease);
}
.btn-ghost:hover {
  border-color: var(--teal-line);
  background: var(--teal-tint);
  transform: translateY(-2px);
}
.btn-ghost svg { flex: none; transition: transform .25s var(--ease); }
.btn-ghost:hover svg { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   4. Barra de confianza
   -------------------------------------------------------------------------- */
.trustbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--border);
}
.trustbar__item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1.25rem 1.3rem;
  background: var(--bg);
}
.trustbar__icon { color: var(--teal-bright); flex: none; margin-top: .1rem; }
.trustbar__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9063rem;
  letter-spacing: -.015em;
  margin-bottom: .1rem;
}
.trustbar__text { font-size: .8125rem; color: var(--text-mute); line-height: 1.45; }

/* --------------------------------------------------------------------------
   5. Problemas
   -------------------------------------------------------------------------- */
.pains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(.75rem, .6rem + .6vw, 1rem);
}
.pain {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 2px solid rgba(248, 113, 113, .5);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: .9375rem;
  color: var(--text-soft);
  line-height: 1.55;
}
.pain__mark { color: rgba(248, 113, 113, .8); flex: none; margin-top: .22rem; }

.pains__close {
  margin-top: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  font-size: clamp(1.0625rem, 1rem + .4vw, 1.25rem);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
}
.pains__close em { font-style: normal; color: var(--teal-bright); }

/* --------------------------------------------------------------------------
   6. Servicios
   -------------------------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: clamp(.75rem, .6rem + .7vw, 1.1rem);
}
.card {
  padding: 1.5rem 1.5rem 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  transition: border-color .25s var(--ease), background-color .25s var(--ease),
              transform .25s var(--ease);
}
.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-3px);
}
.card__icon {
  display: grid;
  place-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  border-radius: 11px;
  background: rgba(45, 212, 191, .12);
  color: var(--teal-bright);
}
.card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0313rem;
  letter-spacing: -.02em;
  margin-bottom: .45rem;
}
.card__text { font-size: .9063rem; color: var(--text-mute); line-height: 1.6; }

/* --------------------------------------------------------------------------
   7. Especialidad SII
   -------------------------------------------------------------------------- */
.sii {
  position: relative;
  padding: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  border: 1px solid var(--teal-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(80% 120% at 8% 0%, rgba(20, 184, 166, .17) 0%, transparent 62%),
    rgba(20, 184, 166, .05);
}
.sii__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.75rem, 1.4rem + 2.5vw, 3.5rem);
  align-items: start;
}
.sii__list { display: grid; gap: .7rem; }
.sii__item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .9rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: rgba(7, 23, 38, .45);
}
.sii__item svg { color: var(--teal-bright); flex: none; margin-top: .18rem; }
.sii__item b {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9375rem;
  letter-spacing: -.015em;
  margin-bottom: .12rem;
}
.sii__item span { font-size: .8438rem; color: var(--text-mute); line-height: 1.5; }
.sii .btn-wa { margin-top: 1.75rem; }

/* --------------------------------------------------------------------------
   8. Proceso
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: clamp(1.5rem, 1.2rem + 1.6vw, 2.5rem);
  counter-reset: paso;
}
.step { position: relative; padding-top: 2.5rem; }
.step::before {
  counter-increment: paso;
  content: "0" counter(paso);
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--teal-bright);
}
.step::after {
  content: "";
  position: absolute;
  top: .7rem;
  left: 2.6rem;
  right: -1.25rem;
  height: 1px;
  background: var(--border);
}
.step:last-child::after { display: none; }
.step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0313rem;
  letter-spacing: -.02em;
  margin-bottom: .45rem;
}
.step__text { font-size: .9063rem; color: var(--text-mute); line-height: 1.6; }

/* --------------------------------------------------------------------------
   9. Razones
   -------------------------------------------------------------------------- */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(1.25rem, 1rem + 1.2vw, 2rem);
}
.reason { display: flex; flex-direction: column; gap: .6rem; }
.reason__icon {
  display: grid;
  place-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--teal-line);
  color: var(--teal-bright);
  margin-bottom: .35rem;
}
.reason__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.02em;
}
.reason__text { font-size: .9063rem; color: var(--text-mute); line-height: 1.6; }

/* --------------------------------------------------------------------------
   10. Testimonios
   -------------------------------------------------------------------------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(.85rem, .7rem + .7vw, 1.25rem);
}
.quote {
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.6rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
}
.quote__mark { color: var(--teal-bright); opacity: .5; margin-bottom: .85rem; }
.quote__text {
  font-size: .9688rem;
  line-height: 1.65;
  color: var(--text-soft);
  margin-bottom: 1.15rem;
}
.quote__who {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.quote__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9063rem;
  letter-spacing: -.015em;
}
.quote__role { display: block; font-size: .8125rem; color: var(--text-mute); }

/* --------------------------------------------------------------------------
   11. Preguntas frecuentes
   -------------------------------------------------------------------------- */
.faq { max-width: 860px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__item:first-child { border-top: 1px solid var(--border); }

.faq__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  padding: 1.35rem 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.45;
  color: var(--text);
  transition: color .2s var(--ease);
}
.faq__q:hover { color: var(--teal-bright); }

.faq__icon { position: relative; flex: none; width: 20px; height: 20px; margin-top: .18rem; }
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 1.8px;
  background: var(--teal-bright);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), opacity .25s var(--ease);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__q[aria-expanded="true"] .faq__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.faq__a { overflow: hidden; height: 0; transition: height .34s var(--ease); }
.faq__a > div {
  padding: 0 3rem 1.5rem 0;
  font-size: .9375rem;
  color: var(--text-mute);
  line-height: 1.7;
}
.faq__a p + p { margin-top: .75rem; }

/* Sin JS todas las respuestas quedan abiertas */
html:not(.js) .faq__a { height: auto; }
html:not(.js) .faq__icon { display: none; }

/* --------------------------------------------------------------------------
   12. Cierre
   -------------------------------------------------------------------------- */
.finalcta {
  padding: clamp(2.25rem, 1.8rem + 2.5vw, 4rem);
  border: 1px solid var(--teal-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(70% 130% at 50% 0%, rgba(20, 184, 166, .2) 0%, transparent 65%),
    rgba(20, 184, 166, .05);
  text-align: center;
}
.finalcta__title {
  font-size: clamp(1.75rem, 1.35rem + 2vw, 2.75rem);
  max-width: 18ch;
  margin: 0 auto .9rem;
}
.finalcta__text {
  max-width: 52ch;
  margin: 0 auto 2rem;
  color: var(--text-soft);
  font-size: clamp(1rem, .96rem + .2vw, 1.0938rem);
}
.finalcta__cta { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }

/* --------------------------------------------------------------------------
   13. Aparición al hacer scroll
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .sii__grid { grid-template-columns: 1fr; }
  .step::after { display: none; }
}

@media (max-width: 780px) {
  .nav-toggle { display: grid; }

  .nav__links {
    position: absolute;
    inset: 100% 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .25rem var(--gutter) 1.5rem;
    background: rgba(7, 23, 38, .97);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 40px rgba(4, 14, 24, .4);
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform .35s var(--ease), visibility .35s;
  }
  .nav__links.is-open { transform: translateY(0); visibility: visible; }
  .nav__link {
    padding: .9rem .25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav__link::after { display: none; }
  .nav__links .btn-wa { margin-top: 1.1rem; }
  .nav > .container { position: relative; }

  .hero__cta .btn-wa,
  .hero__cta .btn-ghost { flex: 1 1 100%; }
  .faq__a > div { padding-right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
  .card:hover, .btn-ghost:hover { transform: none; }
}

@media print {
  .nav, .finalcta__cta, .hero__cta { display: none !important; }
  .faq__a { height: auto !important; }
}