/* =========================================================
   Yanisdey Ramirez | Contabilidad y Finanzas
   Sistema visual — minimalismo editorial
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }

/* ---------- 2. Tokens ---------- */
:root {
  --color-primary:      #0F2A43;
  --color-primary-alt:  #12324A;
  --color-secondary:    #4F7C78;
  --color-secondary-alt:#6B8F71;
  --color-bg:           #FAF8F3;
  --color-bg-alt:       #F1ECE3;
  --color-text:         #2E2E2E;
  --color-text-soft:    #4A4A4A;
  --color-accent:       #D9A441;
  --color-accent-alt:   #C97B5A;

  --color-line:         rgba(15, 42, 67, 0.14);
  --color-line-soft:    rgba(15, 42, 67, 0.08);

  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(15, 42, 67, 0.05);
  --shadow-md: 0 8px 24px -14px rgba(15, 42, 67, 0.18);

  --container: 1180px;
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(3.75rem, 8vw, 7rem);
}

/* ---------- 3. Tipografía ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 .75em;
}
h1 { font-size: clamp(2.15rem, 5.2vw, 3.75rem); line-height: 1.06; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.35rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.35rem); font-weight: 600; letter-spacing: -0.005em; }

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--color-primary); }

.lead {
  font-size: clamp(1.1rem, 1.35vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-text-soft);
  max-width: 60ch;
}

/* ---------- 4. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-primary); color: var(--color-bg); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-bg); }
.section--dark .lead { color: rgba(250, 248, 243, 0.82); }
.section__head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__head--center { margin-inline: auto; text-align: center; }

.grid-2 { display: grid; gap: clamp(1.75rem, 4vw, 3.5rem); grid-template-columns: 1fr; }
@media (min-width: 820px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-2--wide { grid-template-columns: 1.15fr 0.85fr; } }

/* ---------- 5. Skip link ---------- */
.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus {
  left: 1rem; top: 1rem; z-index: 100;
  background: var(--color-primary); color: var(--color-bg);
  padding: .7rem 1.1rem; border-radius: var(--radius-sm);
  text-decoration: none; font-weight: 500;
}

/* ---------- 6. Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-line-soft);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: .85rem;
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--color-primary); }
.brand__mark {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-bg);
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 600; font-size: 1rem;
  letter-spacing: .01em;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--font-serif); font-weight: 600; font-size: 1.0625rem; }
.brand__tag {
  font-size: .7rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-text-soft);
}

/* nav */
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  background: transparent; border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block; height: 1.5px; background: var(--color-primary);
  border-radius: 2px; transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav { display: none; }
.nav__list { display: flex; flex-direction: column; gap: .25rem; }
.nav__link {
  display: block; padding: .6rem .25rem;
  text-decoration: none; color: var(--color-primary);
  font-size: .95rem; font-weight: 500;
  border-bottom: 1px solid var(--color-line-soft);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--color-secondary); }

.header .header__cta { display: none; }

/* mobile menu state */
.nav.is-open {
  display: block;
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line-soft);
  padding: 1rem var(--gutter) 1.25rem;
  box-shadow: var(--shadow-md);
}
.nav.is-open .nav__list { gap: 0; }
.nav.is-open .nav__link { padding: .85rem 0; }

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav { display: block; }
  .nav__list { flex-direction: row; align-items: center; gap: 1.75rem; }
  .nav__link { border: none; padding: 0; font-size: .95rem; }
  .header .header__cta { display: inline-flex; }
}

/* ---------- 7. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .85rem 1.4rem;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 3px; }
.btn--primary { background: var(--color-primary); color: var(--color-bg); }
.btn--primary:hover { background: var(--color-primary-alt); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--ghost:hover { background: var(--color-primary); color: var(--color-bg); }
.btn--whatsapp { background: var(--color-secondary); color: #fff; }
.btn--whatsapp:hover { background: var(--color-secondary-alt); transform: translateY(-1px); }
.btn--lg { padding: 1rem 1.65rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex: 0 0 auto; }

/* ---------- 8. Hero ---------- */
.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); position: relative; }
.hero__inner {
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.1fr 0.9fr; }
}
.hero h1 { margin-bottom: 1.15rem; }
.hero .lead { margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero__note {
  margin-top: 1.25rem; font-size: .875rem; color: var(--color-text-soft);
}
.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  box-shadow: var(--shadow-md);
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 900px) { .hero__media { aspect-ratio: 4 / 5; } }

/* ---------- 9. Cards de servicio ---------- */
.cards {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.card {
  display: flex; flex-direction: column; gap: .85rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--color-bg);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-md);
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--color-secondary); transform: translateY(-2px); }
.card__index {
  font-family: var(--font-serif);
  font-size: .85rem; letter-spacing: .14em;
  color: var(--color-secondary); text-transform: uppercase;
}
.card__title { margin: 0; }
.card__text { color: var(--color-text-soft); font-size: 1rem; margin: 0; flex: 1; }
.card__cta {
  margin-top: .5rem;
  font-weight: 600; color: var(--color-primary);
  text-decoration: none; border-bottom: 1px solid var(--color-accent);
  align-self: flex-start; padding-bottom: 2px;
}
.card__cta:hover { color: var(--color-secondary); border-color: var(--color-secondary); }

/* ---------- 10. Lista de servicios ---------- */
.svc-list {
  display: grid; gap: .55rem 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .svc-list { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .svc-list { grid-template-columns: repeat(3, 1fr); } }
.svc-list li {
  position: relative; padding-left: 1.35rem;
  padding-block: .35rem;
  border-bottom: 1px solid var(--color-line-soft);
  color: var(--color-text-soft);
}
.svc-list li::before {
  content: ""; position: absolute; left: 0; top: 1rem;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-secondary);
}

/* ---------- 11. Bloque experiencia ---------- */
.experience {
  display: grid; gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
@media (min-width: 900px) { .experience { grid-template-columns: 0.9fr 1.1fr; } }
.experience__badge {
  display: inline-flex; flex-direction: column; gap: .5rem;
  padding: 1.75rem 1.75rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.experience__num {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 3.5rem); line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: lining-nums tabular-nums;
}
.experience__label { font-size: .95rem; color: var(--color-text-soft); max-width: 22ch; }

/* ---------- 12. FAQ ---------- */
.faq { display: grid; gap: .5rem; max-width: 820px; margin-inline: auto; }
.faq details {
  border-bottom: 1px solid var(--color-line);
  padding: .25rem 0;
}
.faq summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; cursor: pointer;
  padding: 1.1rem .25rem;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.35vw, 1.15rem);
  font-weight: 500; color: var(--color-primary);
  line-height: 1.35;
}
.faq summary:hover { color: var(--color-secondary); }
.faq summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--color-line);
  font-family: var(--font-sans); font-size: 1rem; font-weight: 400;
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}
.faq details[open] summary::after {
  content: "–";
  background: var(--color-primary); color: var(--color-bg);
  border-color: var(--color-primary);
  transform: rotate(180deg);
}
.faq__a {
  padding: 0 .25rem 1.35rem;
  color: var(--color-text-soft);
  max-width: 68ch;
  font-size: 1rem;
}

/* ---------- 13. CTA final ---------- */
.cta-band { padding-block: clamp(3.5rem, 7vw, 6rem); }
.cta-band__inner {
  display: grid; gap: 2rem; align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 880px) { .cta-band__inner { grid-template-columns: 1.3fr 0.7fr; } }
.cta-band h2 { color: var(--color-bg); }
.cta-band p { color: rgba(250, 248, 243, 0.85); max-width: 55ch; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta-band__micro { font-size: .875rem; color: rgba(250, 248, 243, 0.65); margin-top: 1rem; }
.cta-band .btn--primary { background: var(--color-bg); color: var(--color-primary); }
.cta-band .btn--primary:hover { background: var(--color-accent); color: var(--color-primary); }

/* ---------- 14. Footer ---------- */
.footer {
  background: var(--color-primary-alt);
  color: rgba(250, 248, 243, 0.85);
  padding-block: clamp(3rem, 5vw, 4.5rem);
  font-size: .95rem;
}
.footer__grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; } }
.footer__brand { display: flex; flex-direction: column; gap: .75rem; }
.footer__name { font-family: var(--font-serif); font-size: 1.15rem; color: var(--color-bg); margin: 0; }
.footer__desc { margin: 0; max-width: 40ch; }
.footer h3 {
  font-family: var(--font-sans); font-size: .75rem;
  text-transform: uppercase; letter-spacing: .14em;
  color: rgba(250, 248, 243, 0.65);
  margin: 0 0 .85rem; font-weight: 500;
}
.footer ul { display: grid; gap: .45rem; }
.footer a { color: rgba(250, 248, 243, 0.9); text-decoration: none; }
.footer a:hover { color: var(--color-accent); }
.footer__bottom {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(250, 248, 243, 0.15);
  font-size: .8rem; color: rgba(250, 248, 243, 0.55);
}

/* ---------- 15. CTA móvil persistente ---------- */
.mobile-cta {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom, 0px));
  background: var(--color-secondary);
  color: #fff; text-decoration: none;
  font-weight: 600; font-size: .95rem;
  box-shadow: 0 -6px 20px -12px rgba(15, 42, 67, 0.35);
}
.mobile-cta svg { width: 18px; height: 18px; }
@media (min-width: 960px) { .mobile-cta { display: none; } }

@media (max-width: 959.98px) {
  body { padding-bottom: 4.25rem; }
}

/* ---------- 16. Accesibilidad / motion ---------- */
:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 3px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 17. Detalles editoriales ---------- */
.rule {
  display: block; width: 40px; height: 2px;
  background: var(--color-accent);
  margin: 0 0 1.25rem;
}
.section__head--center .rule { margin-inline: auto; }
.muted { color: var(--color-text-soft); }
.link-inline {
  color: var(--color-primary); font-weight: 600;
  text-decoration: none; border-bottom: 1px solid var(--color-accent);
  padding-bottom: 1px;
}
.link-inline:hover { color: var(--color-secondary); border-color: var(--color-secondary); }
/* Brand: evitar wrapping excesivo en móvil */
.brand__name { white-space: nowrap; }
.brand__tag  { white-space: nowrap; }

@media (max-width: 420px) {
  .brand__tag { display: none; }
}