/*
  Estudio Contable AGZ — Hoja de estilos
  ---------------------------------------------------------------
  Organización del archivo:
  1. Variables de marca (colores, tipografías, espaciados)
  2. Reset y estilos base
  3. Accesibilidad
  4. Marca / decoración reutilizable
  5. Header y navegación
  6. Botones
  7. Hero
  8. Encabezados de sección
  9. Sobre nosotros
  10. Servicios
  11. Por qué trabajar con nosotros
  12. FAQ
  13. Contacto
  14. Footer
  15. Animaciones de aparición
  ---------------------------------------------------------------
*/

/* ============ 1. VARIABLES DE MARCA ============ */
:root{
  --teal:#5b8f8f;
  --teal-dark:#3f6b69;
  --teal-darker:#2a4c4a;
  --lavender:#c2bbeb;
  --lavender-soft:#f1eefb;
  --blush:#dfc9cb;
  --ink:#1c1c1c;
  --ink-soft:#55575c;
  --paper:#fdfdfb;
  --white:#ffffff;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;
  --shadow-sm:0 2px 14px rgba(28,28,28,.06);
  --shadow-md:0 16px 40px rgba(42,76,74,.14);
  --ease:cubic-bezier(.25,.8,.25,1);
  --container:1160px;
  --serif:'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ============ 2. RESET Y ESTILOS BASE ============ */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
section{ position:relative; }

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }
@media (min-width:900px){ .container{ padding-inline:48px; } }

/* ============ 3. ACCESIBILIDAD ============ */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:1000;
  background:var(--teal-darker); color:#fff; padding:14px 22px; border-radius:0 0 10px 0;
  font-weight:600;
}
.skip-link:focus{ left:0; }
:focus-visible{ outline:3px solid var(--teal-dark); outline-offset:3px; }

/* ============ 4. MARCA / DECORACIÓN ============ */
.brand-mark{ display:inline-flex; align-items:center; gap:8px; }
.brand-mark .bar{ width:6px; height:22px; border-radius:3px; background:var(--teal-dark); }
.brand-mark .dot{ width:9px; height:9px; border-radius:50%; background:var(--blush); }
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--sans); font-weight:600; font-size:.8rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal-dark); margin-bottom:18px;
}
.kicker::before{ content:""; width:28px; height:2px; background:var(--blush); border-radius:2px; }

/* ============ 5. HEADER ============ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:500;
  background:rgba(253,253,251,.82); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(28,28,28,.07);
  transition:box-shadow .3s var(--ease);
}
.site-header.scrolled{ box-shadow:0 6px 24px rgba(28,28,28,.06); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.logo-link{ display:flex; align-items:center; gap:12px; }
.logo-link img{ height:42px; width:auto; }

.main-nav ul{ display:flex; align-items:center; gap:34px; }
.main-nav a{
  font-size:.94rem; font-weight:500; color:var(--ink-soft); position:relative; padding:6px 0;
  transition:color .25s var(--ease);
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--teal-dark);
  transition:width .3s var(--ease);
}
.main-nav a:hover, .main-nav a:focus-visible{ color:var(--teal-darker); }
.main-nav a:hover::after, .main-nav a:focus-visible::after{ width:100%; }

.header-actions{ display:flex; align-items:center; gap:14px; }

/* ============ 6. BOTONES ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:13px 26px; border-radius:999px; font-weight:600; font-size:.94rem;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease);
  white-space:nowrap; cursor:pointer;
}
.btn svg{ width:18px; height:18px; flex-shrink:0; }
.btn-primary{ background:var(--teal-darker); color:#fff; box-shadow:var(--shadow-sm); }
.btn-primary:hover{ background:var(--teal-dark); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-outline{ background:transparent; color:var(--teal-darker); border:1.5px solid var(--teal-darker); }
.btn-outline:hover{ background:var(--teal-darker); color:#fff; transform:translateY(-2px); }
.btn-light{ background:#fff; color:var(--teal-darker); box-shadow:var(--shadow-sm); }
.btn-light:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-outline-light{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.55); }
.btn-outline-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; transform:translateY(-2px); }
.btn-sm{ padding:10px 18px; font-size:.86rem; }
.btn:active{ transform:translateY(0); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; padding:10px; border-radius:8px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

@media (max-width:920px){
  .main-nav{
    position:fixed; inset:76px 0 auto 0; background:var(--paper);
    box-shadow:0 16px 30px rgba(28,28,28,.08);
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease);
    border-bottom:1px solid rgba(28,28,28,.07);
  }
  .main-nav.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:0; padding:12px 24px 20px; }
  .main-nav li{ width:100%; }
  .main-nav a{ display:block; width:100%; padding:14px 0; border-bottom:1px solid rgba(28,28,28,.06); }
  .header-actions .btn-primary span{ display:none; }
  .header-actions .btn-primary{ padding:13px; }
  .nav-toggle{ display:flex; }
}
@media (min-width:921px){ .header-actions .btn-primary .btn-icon-only{ display:none; } }

/* ============ 7. HERO ============ */
.hero{
  padding:168px 0 110px; overflow:hidden;
  background:
    radial-gradient(600px 400px at 88% -10%, rgba(194,187,235,.35), transparent 60%),
    radial-gradient(500px 380px at -10% 15%, rgba(91,143,143,.10), transparent 60%);
}
.hero-grid{ display:grid; gap:56px; align-items:center; }
@media (min-width:960px){ .hero-grid{ grid-template-columns:1.15fr .85fr; gap:40px; } }

.hero-eyebrow{ display:flex; align-items:center; gap:10px; margin-bottom:26px; }
.hero-eyebrow .brand-mark .bar{ height:26px; }
.hero-eyebrow span{ font-weight:600; letter-spacing:.14em; text-transform:uppercase; font-size:.8rem; color:var(--teal-darker); }

.hero h1{
  font-size:clamp(2.2rem, 5vw, 3.6rem); line-height:1.14; color:var(--ink); max-width:15ch;
}
.hero h1 em{ font-style:italic; color:var(--teal-darker); }

.hero-sub{
  margin-top:26px; font-size:clamp(1.02rem,1.4vw,1.18rem); color:var(--ink-soft); max-width:52ch;
}

.hero-actions{ margin-top:40px; display:flex; flex-wrap:wrap; gap:14px; }

.hero-visual{ position:relative; display:flex; justify-content:center; }
.hero-card{
  position:relative; background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  padding:38px 34px; max-width:380px; width:100%;
}
.hero-card .brand-mark{ margin-bottom:22px; }
.hero-card img{ width:100%; height:auto; border-radius:var(--radius-md); }
.hero-card-caption{ margin-top:20px; font-size:.92rem; color:var(--ink-soft); }
.hero-card-caption strong{ display:block; color:var(--ink); font-family:var(--serif); font-size:1.06rem; margin-bottom:4px; }

/* ============ MANIFIESTO DE MARCA ============ */
.manifesto{ background:var(--lavender-soft); }
.manifesto-inner{ max-width:760px; margin-inline:auto; text-align:center; }
.manifesto-inner .kicker{ justify-content:center; }
.manifesto-statement{
  font-size:clamp(1.5rem,3vw,2.1rem); color:var(--ink); line-height:1.32; font-style:italic;
}
.manifesto-sub{ margin-top:20px; font-size:1.02rem; color:var(--ink-soft); max-width:56ch; margin-inline:auto; }
.manifesto-steps{ margin-top:52px; display:grid; gap:32px; text-align:left; }
@media (min-width:760px){ .manifesto-steps{ grid-template-columns:repeat(3,1fr); gap:0; } }
.manifesto-step{ padding:0 28px; }
@media (min-width:760px){ .manifesto-step + .manifesto-step{ border-left:1px solid rgba(42,76,74,.15); } }
.manifesto-step .step-num{ font-family:var(--serif); font-size:.85rem; color:var(--teal-dark); font-weight:600; letter-spacing:.08em; }
.manifesto-step h3{ margin-top:8px; font-size:1.14rem; color:var(--ink); }
.manifesto-step p{ margin-top:8px; font-size:.92rem; color:var(--ink-soft); }

/* ============ 8. ENCABEZADOS DE SECCIÓN ============ */
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(1.7rem,3.2vw,2.4rem); color:var(--ink); }
.section-head p{ margin-top:16px; font-size:1.05rem; color:var(--ink-soft); }
.section-head.center{ margin-inline:auto; text-align:center; }
.section-head.center .kicker::before{ display:none; }

section.pad{ padding:104px 0; }
@media (max-width:720px){ section.pad{ padding:76px 0; } }

/* ============ 9. SOBRE NOSOTROS ============ */
.about-grid{ display:grid; gap:56px; align-items:center; }
@media (min-width:960px){ .about-grid{ grid-template-columns:.85fr 1.15fr; gap:64px; } }

.about-visual{ position:relative; }
.brand-panel{
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background:linear-gradient(165deg, var(--lavender-soft), #fff 60%);
  box-shadow:var(--shadow-md); padding:52px 42px; min-height:420px;
  display:flex; flex-direction:column; justify-content:center; gap:26px;
}
.brand-panel::after{
  content:"AGZ"; position:absolute; right:14px; bottom:-26px; font-family:var(--serif); font-weight:700;
  font-size:7.5rem; line-height:1; letter-spacing:-.02em; color:var(--teal); opacity:.07; pointer-events:none;
}
.brand-panel-mark{ position:relative; width:44px; height:64px; }
.brand-panel-mark .mark-bar{ position:absolute; left:0; top:0; width:16px; height:64px; border-radius:5px; background:var(--teal-dark); }
.brand-panel-mark .mark-dot{ position:absolute; left:-4px; bottom:-8px; width:24px; height:24px; border-radius:50%; background:var(--blush); border:3px solid var(--paper); }
.brand-panel-quote{
  position:relative; font-family:var(--serif); font-style:italic; font-weight:500;
  font-size:clamp(1.25rem,2vw,1.5rem); line-height:1.4; color:var(--ink); max-width:20ch;
}
.brand-panel-divider{ position:relative; width:56px; height:2px; border-radius:2px; background:var(--blush); }
.brand-panel-values{ position:relative; display:flex; flex-direction:column; gap:16px; }
.brand-panel-values li{ display:flex; align-items:center; gap:14px; }
.brand-panel-values span:last-child{ font-size:.94rem; font-weight:500; color:var(--ink-soft); }
.brand-panel-values .icon-badge{ width:38px; height:38px; border-radius:10px; flex-shrink:0; }
.brand-panel-values .icon-badge svg{ width:18px; height:18px; }
@media (max-width:480px){ .brand-panel{ padding:40px 28px; } }

.about-body p + p{ margin-top:18px; }
.about-body p{ color:var(--ink-soft); font-size:1.03rem; }

.icon-badge{
  width:44px; height:44px; border-radius:12px; background:var(--lavender-soft); color:var(--teal-darker);
  display:flex; align-items:center; justify-content:center;
}
.icon-badge svg{ width:22px; height:22px; }

/* ============ 10. SERVICIOS ============ */
.services{ background:var(--lavender-soft); }

.services-grid{ display:grid; gap:26px; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); }
.service-card{
  background:#fff; border-radius:var(--radius-md); padding:36px 30px; box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.service-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-md); }
.service-card .icon-badge{ background:var(--lavender-soft); margin-bottom:20px; width:52px; height:52px; border-radius:14px; }
.service-card .icon-badge svg{ width:26px; height:26px; }
.service-card h3{ font-size:1.2rem; margin-bottom:12px; }
.service-card p{ font-size:.96rem; color:var(--ink-soft); }

/* ============ 11. POR QUÉ TRABAJAR CON NOSOTROS ============ */
.benefits-grid{ display:grid; gap:30px 26px; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); }
.benefit-item{ display:flex; gap:16px; align-items:flex-start; }
.benefit-item h3{ font-size:1.02rem; font-family:var(--sans); font-weight:600; margin-bottom:5px; }
.benefit-item p{ font-size:.92rem; color:var(--ink-soft); }

/* ============ 12. FAQ ============ */
.faq-list{ max-width:800px; margin-inline:auto; display:flex; flex-direction:column; gap:14px; }
.faq-item{ background:#fff; border:1px solid rgba(28,28,28,.08); border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:18px;
  padding:22px 26px; text-align:left; font-family:var(--sans); font-weight:600; font-size:1rem; color:var(--ink);
}
.faq-question .plus{
  flex-shrink:0; width:30px; height:30px; border-radius:50%; background:var(--lavender-soft); color:var(--teal-darker);
  display:flex; align-items:center; justify-content:center; position:relative; transition:transform .35s var(--ease), background-color .35s var(--ease);
}
.faq-question .plus::before, .faq-question .plus::after{
  content:""; position:absolute; background:currentColor; border-radius:2px;
}
.faq-question .plus::before{ width:12px; height:2px; }
.faq-question .plus::after{ width:2px; height:12px; transition:transform .3s var(--ease); }
.faq-item[data-open="true"] .plus::after{ transform:rotate(90deg) scaleY(0); }
.faq-item[data-open="true"] .plus{ background:var(--teal-darker); color:#fff; }
.faq-answer{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-answer-inner{ padding:0 26px 24px; color:var(--ink-soft); font-size:.96rem; max-width:66ch; }
.faq-answer-inner p + .faq-cta{ margin-top:16px; }

/* ============ 13. CONTACTO ============ */
.contact{ background:var(--teal-darker); color:#fff; }
.contact .section-head p{ color:rgba(255,255,255,.75); }
.contact .kicker{ color:var(--blush); }
.contact .kicker::before{ background:var(--blush); }
.contact-wrap{ display:grid; gap:44px; }
@media (min-width:960px){ .contact-wrap{ grid-template-columns:1fr 1fr; align-items:start; } }

.contact-lead h2{ color:#fff; font-size:clamp(1.8rem,3.4vw,2.5rem); }
.contact-lead p{ margin-top:18px; color:rgba(255,255,255,.78); font-size:1.05rem; max-width:46ch; }
.contact-lead-actions{ margin-top:32px; display:flex; flex-wrap:wrap; gap:14px; }
.contact-lead p.contact-lead-alt{ margin-top:20px; font-size:.88rem; color:rgba(255,255,255,.55); }

.contact-cards{ display:grid; gap:16px; }
.contact-card{
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.16); border-radius:var(--radius-md);
  padding:22px 24px; display:flex; align-items:center; gap:16px; transition:background-color .3s var(--ease), transform .3s var(--ease);
}
.contact-card:hover{ background:rgba(255,255,255,.13); transform:translateY(-3px); }
.contact-card .icon-badge{ background:rgba(255,255,255,.14); color:#fff; }
.contact-card-body{ flex:1; min-width:0; }
.contact-card-body .label{ font-size:.76rem; text-transform:uppercase; letter-spacing:.1em; color:rgba(255,255,255,.55); margin-bottom:3px; }
.contact-card-body .value{ font-weight:600; font-size:.98rem; word-break:break-word; }
.contact-card-actions{ display:flex; gap:8px; flex-shrink:0; }
.icon-btn{
  width:38px; height:38px; border-radius:10px; background:rgba(255,255,255,.12); display:flex; align-items:center; justify-content:center;
  transition:background-color .25s var(--ease), transform .25s var(--ease);
}
.icon-btn:hover{ background:rgba(255,255,255,.25); transform:translateY(-2px); }
.icon-btn svg{ width:18px; height:18px; }

.copy-toast{
  position:fixed; left:50%; bottom:32px; transform:translate(-50%, 20px);
  background:var(--ink); color:#fff; padding:13px 22px; border-radius:999px; font-size:.9rem; font-weight:500;
  box-shadow:0 12px 30px rgba(0,0,0,.25); opacity:0; pointer-events:none; transition:opacity .3s var(--ease), transform .3s var(--ease);
  z-index:900; display:flex; align-items:center; gap:8px;
}
.copy-toast.show{ opacity:1; transform:translate(-50%, 0); }

/* ============ 14. FOOTER ============ */
.site-footer{ background:#161615; color:rgba(255,255,255,.7); padding:52px 0 34px; }
.footer-top{ display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; align-items:center; padding-bottom:32px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-brand .footer-logo-badge{ display:inline-flex; padding:8px 10px; background:#fff; border-radius:12px; line-height:0; }
.footer-brand img{ height:30px; width:auto; }
.footer-brand span{ font-family:var(--serif); color:#fff; font-size:1rem; }
.footer-links{ display:flex; gap:26px; flex-wrap:wrap; }
.footer-links a{ font-size:.9rem; color:rgba(255,255,255,.65); transition:color .25s var(--ease); }
.footer-links a:hover{ color:#fff; }
.footer-bottom{ display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; padding-top:26px; font-size:.82rem; color:rgba(255,255,255,.45); }

/* ============ BOTÓN FLOTANTE DE WHATSAPP ============ */
.whatsapp-float{
  position:fixed; right:24px; bottom:24px; z-index:800;
  width:58px; height:58px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.22);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.whatsapp-float svg{ width:30px; height:30px; }
.whatsapp-float:hover{ transform:translateY(-3px) scale(1.05); box-shadow:0 12px 30px rgba(0,0,0,.28); }
.whatsapp-float:active{ transform:translateY(0) scale(.98); }
@media (max-width:600px){
  .whatsapp-float{ right:16px; bottom:16px; width:52px; height:52px; }
  .whatsapp-float svg{ width:26px; height:26px; }
}

/* ============ 15. ANIMACIONES DE APARICIÓN ============ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }
.reveal-stagger.in-view > *{ transition-delay:calc(var(--i,0) * 90ms); }