/* ============================================================
   ZonaContars — Estudio de Asesoría Contable · Surco, Lima
   Signature: sello de tinta "AL DÍA" + textura de ledger/folio
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --ink:        #171D26;
  --ink-soft:   #2B3444;
  --ink-mute:   #5A6577;
  --ink-faint:  #8892A0;
  --paper:      #F6F2E8;
  --paper-dim:  #ECE4CE;
  --paper-line: #DCD2B4;
  --white:      #FFFFFF;
  --brass:      #A9812F;
  --brass-lt:   #CBA553;
  --brass-pale: #F1E7CC;
  --stamp:      #8C3B2E;
  --line-dark:  #313B4D;
  --shadow: 0 30px 60px -30px rgba(23,29,38,0.35);
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Public Sans', -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  margin: 0;
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
}
p { margin: 0; color: var(--ink-mute); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.mono { font-family: 'IBM Plex Mono', monospace; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Buttons ---------- */
.btn-main, .btn-line, .btn-send {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.97rem; cursor: pointer;
  border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-main { background: var(--brass); color: var(--white); box-shadow: 0 12px 24px -10px rgba(169,129,47,0.55); }
.btn-main:hover { transform: translateY(-2px); background: var(--brass-lt); }
.btn-line { border-color: rgba(246,242,232,0.35); color: var(--paper); }
.btn-line:hover { border-color: var(--paper); background: rgba(246,242,232,0.06); }
.btn-send { background: var(--ink); color: var(--paper); width: 100%; justify-content: center; padding: 16px; }
.btn-send:hover { background: var(--ink-soft); }

/* ---------- Nav ---------- */
.navbar {
  position: sticky; top: 0; z-index: 60;
  background: rgba(246,242,232,0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--paper-line);
}
.nav-wrap {
  max-width: 1180px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; height: 74px;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.brand-sq {
  width: 38px; height: 38px; border-radius: 3px; background: var(--ink);
  color: var(--brass-lt); font-family: 'IBM Plex Mono', monospace; font-weight: 600;
  display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.brand-name { font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.28rem; color: var(--ink); }
.brand-name span { color: var(--brass); }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 0.93rem; font-weight: 500; color: var(--ink-soft); }
.nav-links a:hover { color: var(--brass); }
.nav-btn {
  background: var(--ink); color: var(--paper) !important; padding: 10px 20px;
  border-radius: var(--radius); font-weight: 600;
}
.nav-btn:hover { background: var(--brass); }
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.burger span { width: 24px; height: 2px; background: var(--ink); display: block; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 74px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; gap: 0;
    max-height: 0; overflow: hidden; border-bottom: 1px solid var(--paper-line);
    transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 320px; }
  .nav-links li { width: 100%; padding: 16px 28px; border-top: 1px solid var(--paper-line); }
  .nav-links .nav-btn { display: inline-block; }
  .burger { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--ink); color: var(--paper); position: relative; overflow: hidden;
  padding: 84px 0 64px;
  background-image:
    repeating-linear-gradient(to bottom, rgba(246,242,232,0.05) 0px, rgba(246,242,232,0.05) 1px, transparent 1px, transparent 42px);
}
.hero::before {
  content: ""; position: absolute; top: -140px; right: -140px; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(169,129,47,0.28), transparent 70%); pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px; font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass-lt);
  border: 1px solid rgba(203,165,83,0.4); padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero-kicker-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brass-lt); }
.hero-h1 { font-size: clamp(2.5rem, 4.4vw, 3.6rem); color: var(--white); margin-bottom: 20px; }
.hero-h1 em { font-style: italic; color: var(--brass-lt); }
.hero-sub { font-size: 1.1rem; color: rgba(246,242,232,0.78); max-width: 480px; margin-bottom: 26px; }
.hero-notice {
  border-left: 3px solid var(--brass-lt); background: rgba(246,242,232,0.06);
  padding: 14px 18px; border-radius: 0 4px 4px 0; margin-bottom: 34px; max-width: 500px;
}
.hero-notice p { color: rgba(246,242,232,0.85); font-size: 0.92rem; margin: 0; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hstat-n { display: block; font-family: 'Fraunces', serif; font-size: 1.9rem; color: var(--brass-lt); font-weight: 600; }
.hstat-l { font-size: 0.8rem; color: rgba(246,242,232,0.6); }

/* Ledger / folio card */
.folio { position: relative; }
.folio-card {
  background: var(--paper); color: var(--ink); border-radius: 6px; padding: 30px 26px;
  box-shadow: var(--shadow); position: relative; z-index: 2;
  border: 1px solid rgba(0,0,0,0.05);
}
.folio-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.folio-brand { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-mute); }
.folio-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.folio-item {
  display: flex; align-items: center; gap: 12px; font-size: 0.9rem;
  padding: 10px 12px; border-radius: 4px; background: var(--paper-dim);
}
.folio-check { margin-left: auto; color: var(--brass); font-weight: 700; }
.folio-divider { height: 1px; background: var(--paper-line); margin: 18px 0; }
.folio-footer { display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: var(--ink-mute); }
.stamp {
  position: absolute; top: -22px; right: -18px; z-index: 3;
  width: 92px; height: 92px; border-radius: 50%; border: 2.5px solid var(--stamp);
  color: var(--stamp); display: flex; align-items: center; justify-content: center;
  transform: rotate(-14deg); font-family: 'IBM Plex Mono', monospace; text-align: center;
  font-size: 0.62rem; letter-spacing: 0.05em; font-weight: 700; line-height: 1.25;
  background: rgba(140,59,46,0.04); text-transform: uppercase;
}
.stamp::before { content: ""; position: absolute; inset: 9px; border: 1px solid var(--stamp); border-radius: 50%; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .stamp { top: -16px; right: 8px; }
}

/* ---------- Strip marquee ---------- */
.strip { background: var(--brass); overflow: hidden; padding: 13px 0; }
.strip-track { display: flex; gap: 46px; white-space: nowrap; animation: scrollx 32s linear infinite; }
.strip-item { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink); text-transform: uppercase; }
@keyframes scrollx { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-ink { background: var(--ink); color: var(--paper); }
.eyebrow {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.76rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--brass); margin-bottom: 14px;
}
.section-ink .eyebrow { color: var(--brass-lt); }

/* Servicios */
.srv-intro { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; margin-bottom: 52px; flex-wrap: wrap; }
.srv-intro h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); max-width: 480px; }
.srv-intro > p { max-width: 380px; font-size: 1rem; }
.srv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.srv-card {
  background: var(--white); border: 1px solid var(--paper-line); border-radius: 6px;
  padding: 30px 26px; transition: transform .25s ease, box-shadow .25s ease;
}
.srv-card:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -26px rgba(23,29,38,0.25); }
.srv-tag {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem; color: var(--brass);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; display: block;
}
.srv-card h3 { font-size: 1.18rem; color: var(--ink); margin-bottom: 10px; }
.srv-card p { font-size: 0.92rem; }
.srv-card.feature { background: var(--ink); border-color: var(--ink); }
.srv-card.feature .srv-tag { color: var(--brass-lt); }
.srv-card.feature h3 { color: var(--paper); }
.srv-card.feature p { color: rgba(246,242,232,0.78); }

@media (max-width: 960px) { .srv-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .srv-grid { grid-template-columns: 1fr; } }

/* Nosotros */
.nos-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: start; }
.nos-grid h2 { font-size: clamp(1.9rem, 3vw, 2.4rem); color: var(--paper); margin-bottom: 14px; }
.nos-lead { max-width: 460px; margin-bottom: 36px; color: rgba(246,242,232,0.75); }
.feat-list { display: flex; flex-direction: column; gap: 26px; }
.feat-item { display: flex; gap: 16px; }
.feat-mark { font-family: 'IBM Plex Mono', monospace; color: var(--brass-lt); font-weight: 700; font-size: 0.9rem; padding-top: 3px; }
.feat-item h4 { color: var(--paper); font-size: 1.02rem; margin-bottom: 6px; }
.feat-item p { color: rgba(246,242,232,0.68); font-size: 0.92rem; }

.metric-box {
  background: rgba(246,242,232,0.05); border: 1px solid rgba(246,242,232,0.12);
  border-radius: 6px; padding: 22px 24px; margin-bottom: 14px;
}
.metric-box.hi { border-color: var(--brass-lt); background: rgba(203,165,83,0.08); }
.mval { font-family: 'Fraunces', serif; font-size: 2.1rem; color: var(--brass-lt); font-weight: 600; }
.mlbl { font-size: 0.85rem; color: rgba(246,242,232,0.65); margin: 4px 0 12px; }
.mbar { height: 4px; background: rgba(246,242,232,0.12); border-radius: 3px; overflow: hidden; }
.mfill { height: 100%; background: var(--brass-lt); width: 0; transition: width 1.1s ease; }

@media (max-width: 860px) { .nos-grid { grid-template-columns: 1fr; } }

/* Proceso */
.proc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.proc-step { position: relative; padding-top: 28px; border-top: 2px solid var(--paper-line); }
.proc-mark { font-family: 'IBM Plex Mono', monospace; color: var(--brass); font-size: 0.85rem; font-weight: 700; margin-bottom: 14px; display: block; }
.proc-step h3 { font-size: 1.05rem; color: var(--ink); margin-bottom: 8px; }
.proc-step p { font-size: 0.9rem; }
@media (max-width: 900px) { .proc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .proc-grid { grid-template-columns: 1fr; } }

/* Aviso legal */
.aviso {
  background: var(--brass-pale); border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line);
}
.aviso-inner { display: flex; gap: 26px; padding: 52px 0; align-items: flex-start; }
.aviso-mark {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%; border: 2px solid var(--brass);
  display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif;
  font-weight: 600; color: var(--brass); font-size: 1.1rem;
}
.aviso-text h2 { font-size: 1.5rem; color: var(--ink); margin-bottom: 12px; }
.aviso-text p { margin-bottom: 10px; font-size: 0.96rem; color: var(--ink-soft); max-width: 760px; }
.aviso-text p:last-child { margin-bottom: 0; }
.aviso-text strong { color: var(--ink); }

/* Contacto */
.cont-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.cont-info h2 { font-size: clamp(1.9rem, 3vw, 2.3rem); color: var(--ink); margin-bottom: 12px; }
.cont-info > p { max-width: 420px; margin-bottom: 30px; }
.info-rows { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.info-row { display: flex; gap: 14px; align-items: flex-start; }
.info-mark {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--brass); font-weight: 700;
  border: 1px solid var(--brass); border-radius: 50%; width: 28px; height: 28px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.info-lbl { display: block; font-size: 0.76rem; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.05em; }
.info-val { font-weight: 600; color: var(--ink); }
.info-val a:hover { color: var(--brass); }
.map-box { border-radius: 6px; overflow: hidden; border: 1px solid var(--paper-line); height: 220px; }
.map-box iframe { width: 100%; height: 100%; border: 0; }

.cont-form {
  background: var(--white); border: 1px solid var(--paper-line); border-radius: 8px; padding: 34px;
}
.cont-form h3 { font-size: 1.2rem; color: var(--ink); margin-bottom: 20px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-grp { margin-bottom: 16px; }
.f-grp label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.f-grp input, .f-grp select, .f-grp textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--paper-line); border-radius: 4px;
  font-family: 'Public Sans', sans-serif; font-size: 0.92rem; background: var(--paper);
}
.f-grp textarea { resize: vertical; min-height: 80px; }
.f-grp input:focus, .f-grp select:focus, .f-grp textarea:focus { outline: 2px solid var(--brass); outline-offset: 1px; }
.f-note { font-size: 0.78rem; color: var(--ink-faint); margin-top: 12px; text-align: center; }
.f-note a { text-decoration: underline; }

@media (max-width: 860px) { .cont-grid { grid-template-columns: 1fr; } .f-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: rgba(246,242,232,0.7); padding: 64px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand p { color: rgba(246,242,232,0.55); font-size: 0.9rem; margin-top: 14px; max-width: 300px; }
.fcol h5 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--brass-lt); margin-bottom: 16px; }
.fcol ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.fcol a { font-size: 0.9rem; color: rgba(246,242,232,0.65); }
.fcol a:hover { color: var(--paper); }
.footer-bot {
  border-top: 1px solid rgba(246,242,232,0.12); padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.8rem;
}
.footer-bot a { margin-left: 16px; color: rgba(246,242,232,0.55); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Floating call button ---------- */
.call-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 70;
  display: flex; align-items: center; gap: 10px; background: var(--ink); color: var(--paper);
  padding: 15px 20px; border-radius: 999px; box-shadow: 0 18px 32px -14px rgba(23,29,38,0.5);
  font-weight: 600; font-size: 0.9rem;
}
.call-fab:hover { background: var(--brass); }
.call-dot { width: 8px; height: 8px; border-radius: 50%; background: #4CAF7D; box-shadow: 0 0 0 0 rgba(76,175,125,0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(76,175,125,0.55); } 70% { box-shadow: 0 0 0 9px rgba(76,175,125,0); } 100% { box-shadow: 0 0 0 0 rgba(76,175,125,0); } }

/* ---------- Cookie banner ---------- */
.cookie {
  position: fixed; bottom: -140px; left: 20px; right: 20px; max-width: 640px; margin: 0 auto;
  background: var(--white); border: 1px solid var(--paper-line); border-radius: 8px;
  padding: 20px 22px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  box-shadow: 0 20px 40px -20px rgba(23,29,38,0.3); z-index: 80; transition: bottom .5s ease;
}
.cookie.show { bottom: 20px; }
.cookie-txt p { font-size: 0.85rem; margin: 0; }
.cookie-txt a { text-decoration: underline; }
.c-acc, .c-rej { padding: 10px 16px; border-radius: 4px; font-size: 0.82rem; font-weight: 600; cursor: pointer; border: none; }
.c-acc { background: var(--ink); color: var(--paper); }
.c-rej { background: transparent; border: 1px solid var(--paper-line); color: var(--ink-mute); }

/* ---------- Legal pages ---------- */
.legal-wrap { max-width: 760px; margin: 0 auto; padding: 60px 28px 100px; }
.legal-wrap h1 { font-size: 2rem; margin-bottom: 8px; }
.legal-wrap .updated { font-size: 0.82rem; color: var(--ink-faint); margin-bottom: 40px; display: block; }
.legal-wrap h2 { font-size: 1.15rem; margin: 34px 0 12px; color: var(--ink); }
.legal-wrap p, .legal-wrap li { color: var(--ink-soft); font-size: 0.96rem; margin-bottom: 10px; }
.legal-wrap ul { padding-left: 20px; }
.legal-back { display: inline-block; margin-bottom: 30px; font-size: 0.85rem; color: var(--brass); font-weight: 600; }