/* ============================================
   DAIANA FERNANDEZ — ESTUDIO CONTABLE
   daiana.css v2.3
   Sistema GOYAI
   ============================================ */

/* TOKENS */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --crema:     #F4F6F1;
  --crema-2:   #E0E8D8;
  --salvia:    #7A9E6E;
  --salvia-d:  #3D5E35;
  --salvia-dd: #1E2B1A;
  --gris-text: #3D4D38;
  --gris-mid:  #5C7054;
  --blanco:    #FFFFFF;

  --font-display: 'Outfit', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --max: 1120px;
  --px:  clamp(1.25rem, 5vw, 4rem);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--crema);
  color: var(--salvia-dd);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(244,246,241,0.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--crema-2);
  padding: 0 var(--px);
}
.nav-inner {
  max-width: var(--max); margin: auto;
  height: 64px; display: flex;
  align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 600;
  color: var(--salvia-dd); text-decoration: none; letter-spacing: -0.01em;
}
.nav-logo span { color: var(--salvia); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  font-size: 0.78rem; letter-spacing: 0.07em;
  text-transform: uppercase; text-decoration: none;
  color: var(--gris-mid); transition: color 0.2s;
}
.nav-links a:hover { color: var(--salvia-dd); }
.nav-cta {
  background: var(--salvia) !important;
  color: var(--crema) !important;
  padding: 0.42rem 1.1rem !important;
  border-radius: 4px;
}

/* HERO */
#inicio {
  min-height: 100vh; padding: 120px var(--px) 80px;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; top: 0; right: 0;
  width: 46%; height: 100%;
  background: var(--crema-2);
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}
.hero-inner {
  max-width: var(--max); margin: auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: stretch;
  position: relative; z-index: 1;
}
.hero-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--salvia);
  margin-bottom: 1.2rem; font-weight: 300;
  font-family: var(--font-mono);
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 600; line-height: 1.05;
  color: var(--salvia-dd); margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero-headline em { font-style: normal; color: var(--salvia); font-weight: 300; }
.hero-sub {
  font-size: 1rem; color: var(--gris-mid);
  line-height: 1.65; max-width: 420px;
  margin-bottom: 2.2rem; font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--salvia); color: var(--crema);
  padding: 0.8rem 1.8rem; border-radius: 4px;
  text-decoration: none; font-size: 0.85rem;
  font-weight: 500; letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.15s; display: inline-block;
}
.btn-primary:hover { background: var(--salvia-d); transform: translateY(-1px); }
.btn-secondary {
  display: inline-block; padding: 0.8rem 1.6rem;
  border: 1.5px solid var(--salvia); color: var(--salvia);
  border-radius: 4px; text-decoration: none;
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: var(--salvia); color: var(--crema); }
.hero-stats {
  display: flex; gap: 2rem;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--crema-2);
}
.stat-num {
  font-family: var(--font-mono); font-size: 2rem;
  font-weight: 400; color: var(--salvia-dd);
  line-height: 1; margin-bottom: 0.3rem; letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.73rem; color: var(--gris-mid);
  letter-spacing: 0.04em; font-weight: 300;
}
.hero-image-wrap {
  position: relative; display: flex;
  justify-content: center; align-items: stretch; align-self: stretch;
}
.hero-photo-placeholder {
  width: 100%; height: 100%; min-height: 520px;
  border-radius: 8px 8px 80px 8px; overflow: hidden;
}
.credential-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--blanco); border: 1px solid var(--crema-2);
  border-radius: 4px; padding: 0.45rem 0.9rem;
  font-size: 0.75rem; color: var(--gris-mid);
  margin-bottom: 1.2rem;
  box-shadow: 0 2px 12px rgba(61,94,53,0.08);
}
.credential-badge span { color: var(--salvia); font-weight: 500; }

/* SECTIONS */
section { padding: 6rem var(--px); }
.container { max-width: var(--max); margin: auto; }
.section-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--salvia);
  font-weight: 400; margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600; line-height: 1.08;
  color: var(--salvia-dd); margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-title em { font-style: normal; color: var(--salvia); font-weight: 300; }
.section-sub {
  font-size: 0.95rem; color: var(--gris-mid);
  font-weight: 300; max-width: 540px; line-height: 1.65;
}

/* QUIEN */
#quienes { background: var(--blanco); }
.quien-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.quien-photo {
  width: 100%; aspect-ratio: 4/5;
  border-radius: 4px 4px 60px 4px; overflow: hidden;
}
.quien-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; }
.quien-bio {
  font-size: 0.97rem; color: var(--gris-text);
  line-height: 1.75; margin-bottom: 1.5rem; font-weight: 300;
}
.credenciales {
  list-style: none; display: flex;
  flex-direction: column; gap: 0.6rem; margin-bottom: 2rem;
}
.credenciales li {
  display: flex; align-items: flex-start;
  gap: 0.65rem; font-size: 0.88rem;
  color: var(--gris-text); font-weight: 300;
}
.credenciales li::before {
  content: ''; width: 6px; height: 6px;
  background: var(--salvia); border-radius: 50%;
  margin-top: 7px; flex-shrink: 0;
}
.matricula-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--crema); border: 1px solid var(--crema-2);
  border-radius: 4px; padding: 0.5rem 1rem;
  font-size: 0.78rem; color: var(--gris-mid);
}
.matricula-badge span { color: var(--salvia); font-weight: 500; }

/* SERVICIOS */
#servicios { background: var(--crema); }
.tabs-nav-wrapper { position: relative; margin-bottom: 3rem; }
.tabs-nav-wrapper::after {
  content: ''; position: absolute;
  top: 0; right: 0;
  width: 60px; height: calc(100% - 1px);
  background: linear-gradient(to right, transparent, var(--crema));
  pointer-events: none; border-radius: 0 4px 0 0;
}
.tabs-nav-wrapper.scrolled-end::after { display: none; }
.tabs-nav {
  display: flex; border-bottom: 1px solid var(--crema-2);
  overflow-x: auto; scrollbar-width: none; white-space: nowrap;
}
.tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  background: none; border: none;
  border-bottom: 2px solid transparent;
  padding: 0.9rem 1.4rem;
  font-family: var(--font-body); font-size: 0.78rem;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--gris-mid); cursor: pointer;
  white-space: nowrap; margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s; font-weight: 400;
}
.tab-btn:hover { color: var(--salvia-dd); }
.tab-btn.active { color: var(--salvia-dd); border-bottom-color: var(--salvia); font-weight: 500; }
.tab-panel { display: none; }
.tab-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.service-item {
  background: var(--blanco); border: 1px solid var(--crema-2);
  border-radius: 6px; padding: 1.5rem; transition: border-color 0.2s;
}
.service-item:hover { border-color: var(--salvia); }
.service-item h4 {
  font-family: var(--font-display); font-size: 0.95rem;
  font-weight: 600; color: var(--salvia-dd);
  margin-bottom: 0.4rem; letter-spacing: -0.01em;
}
.service-item p {
  font-size: 0.84rem; color: var(--gris-mid);
  line-height: 1.6; font-weight: 300;
}

/* PROCESO */
#proceso { background: var(--salvia-dd); }
.proceso-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; margin-top: 3.5rem;
}
.proceso-step { border-top: 1px solid rgba(122,158,110,0.3); padding-top: 1.5rem; }
.proceso-num {
  font-family: var(--font-mono); font-size: 2.4rem;
  font-weight: 300; color: var(--salvia); opacity: 0.5;
  line-height: 1; margin-bottom: 1rem; letter-spacing: -0.02em;
}
.proceso-step h3 {
  font-family: var(--font-display); font-size: 1.1rem;
  font-weight: 500; color: var(--crema);
  margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.proceso-step p {
  font-size: 0.88rem; color: rgba(244,246,241,0.5);
  line-height: 1.65; font-weight: 300;
}

/* TESTIMONIOS */
#testimonios { background: var(--blanco); }
.testimonios-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-top: 3rem;
}
.testimonio-card {
  background: var(--crema); border: 1px solid var(--crema-2);
  border-radius: 6px; padding: 2rem;
  display: flex; flex-direction: column;
}
.stars { display: flex; gap: 3px; margin-bottom: 1.2rem; color: var(--salvia); font-size: 0.9rem; }
.testimonio-text {
  font-family: var(--font-display); font-size: 0.95rem;
  color: var(--salvia-dd); line-height: 1.65;
  margin-bottom: 1.5rem; font-weight: 300;
}
.testimonio-autor { display: flex; align-items: center; gap: 0.75rem; margin-top: auto; }
.autor-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--crema-2); border: 1px solid #C8D8BC;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.68rem; font-weight: 500;
  color: var(--salvia-d); flex-shrink: 0;
}
.autor-info p:first-child { font-size: 0.85rem; font-weight: 500; color: var(--salvia-dd); }
.autor-info p:last-child { font-size: 0.75rem; color: var(--gris-mid); font-weight: 300; }

/* FACTURASAAS */
#facturasaas {
  background: var(--blanco);
  padding: 4rem var(--px);
  border-top: 1px solid var(--crema-2);
}
.facturasaas-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}

/* CTA BANNER */
#cta-banner { background: var(--salvia); padding: 5rem var(--px); text-align: center; }

/* CONTACTO */
#contacto { background: var(--crema); }
.contacto-grid {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 5rem; align-items: start;
}
.contacto-info p {
  font-size: 0.9rem; color: var(--gris-mid);
  font-weight: 300; line-height: 1.6; margin-bottom: 2rem;
}
.contacto-dato {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.88rem; color: var(--gris-text);
  margin-bottom: 0.85rem; font-weight: 300;
}
.contacto-icono {
  width: 32px; height: 32px; background: var(--crema-2);
  border-radius: 50%; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block; font-size: 0.72rem;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--gris-mid); margin-bottom: 0.4rem; font-weight: 400;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--blanco);
  border: 1px solid var(--crema-2); border-radius: 4px;
  padding: 0.72rem 1rem; font-family: var(--font-body);
  font-size: 0.9rem; color: var(--salvia-dd);
  outline: none; transition: border-color 0.2s;
  appearance: none; -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--salvia); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit {
  background: var(--salvia); color: var(--crema);
  border: none; padding: 0.9rem 2rem; border-radius: 4px;
  font-family: var(--font-body); font-size: 0.88rem;
  font-weight: 500; letter-spacing: 0.04em;
  cursor: pointer; width: 100%;
  transition: background 0.2s; margin-top: 0.5rem;
}
.form-submit:hover { background: var(--salvia-d); }
.form-disclaimer {
  font-size: 0.72rem; color: var(--gris-mid);
  text-align: center; margin-top: 0.75rem; font-weight: 300;
}

/* FOOTER */
footer { background: var(--salvia-dd); padding: 2.5rem var(--px); }
.footer-inner {
  max-width: var(--max); margin: auto;
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  font-family: var(--font-display); font-size: 0.9rem;
  font-weight: 500; color: rgba(244,246,241,0.75); letter-spacing: -0.01em;
}
.footer-copy { font-size: 0.73rem; color: rgba(244,246,241,0.35); font-weight: 300; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-size: 0.73rem; color: rgba(244,246,241,0.45);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: rgba(244,246,241,0.85); }

/* WHATSAPP */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  width: 52px; height: 52px; background: #25D366;
  border-radius: 50%; display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
  text-decoration: none; transition: transform 0.2s;
}
.wa-float:hover { transform: translateY(-2px); }
.wa-float svg { width: 26px; height: 26px; fill: white; }

/* TAB LATERAL */
.tab-lateral {
  position: fixed; right: 0; top: 50%;
  transform: translateY(-50%); z-index: 90;
}
.tab-lat-item {
  display: block; background: var(--salvia); color: var(--crema);
  writing-mode: vertical-rl; text-orientation: mixed;
  transform: rotate(180deg); padding: 1rem 0.55rem;
  font-size: 0.68rem; letter-spacing: 0.09em;
  text-transform: uppercase; text-decoration: none;
  font-weight: 500; transition: background 0.2s;
  border-radius: 0 0 4px 4px;
}
.tab-lat-item:hover { background: var(--salvia-d); }

/* FADE IN */
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner,
  .quien-grid,
  .contacto-grid { grid-template-columns: 1fr; }
  .hero-bg, .hero-image-wrap { display: none; }
  .quien-photo { aspect-ratio: 3/2; max-width: 400px; }
  .tab-panel.active,
  .proceso-grid,
  .testimonios-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .tab-lateral { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .facturasaas-grid { grid-template-columns: 1fr !important; }
}