/* ==========================================================================
   Vértice Contadores — Estudio Contable
   Paleta minimalista/tech: grises, violeta de acento, mucho blanco. Layout SaaS.
   ========================================================================== */

:root {
  --ink: #1f2937;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --paper: #f9fafb;
  --white: #ffffff;
  --violet: #6c63ff;
  --violet-dark: #5147e0;
  --petrol: #114b5f;

  --font-head: "Manrope", sans-serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 800; margin: 0 0 16px; letter-spacing: -0.01em; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--violet);
  font-weight: 700;
  margin: 0 0 14px;
}

/* ---------- Nav ---------- */
.nav {
  position: static;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.logo { font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; gap: 8px; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--violet); color: #fff; font-size: 0.9rem;
}
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 0.92rem; color: var(--ink-2); }
.nav-cta {
  background: var(--violet);
  color: #fff;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 700;
  transition: background 0.2s ease;
}
.nav-cta:hover { background: var(--violet-dark); }

/* ---------- Hero ---------- */
.hero { padding: 70px 0 30px; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }
.hero-text h1 { font-size: clamp(2.1rem, 4.2vw, 3.1rem); line-height: 1.14; color: var(--ink); max-width: 16ch; }
.hero-lead { font-size: 1.05rem; color: var(--muted); max-width: 50ch; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-media img { border-radius: 16px; box-shadow: 0 30px 60px -30px rgba(31,41,55,0.3); }

.hero-logos { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 0.85rem; color: var(--muted); }
.hero-logos strong { font-weight: 700; color: var(--ink-2); }

.btn-primary {
  display: inline-block;
  background: var(--violet);
  color: #fff;
  font-weight: 700;
  padding: 14px 26px;
  border-radius: 8px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.btn-primary:hover { transform: translateY(-2px); background: var(--violet-dark); }
.btn-primary.full { width: 100%; text-align: center; border: none; cursor: pointer; font-family: inherit; font-size: 1rem; }

.btn-ghost {
  display: inline-block;
  border: 1.5px solid var(--line);
  color: var(--ink-2);
  font-weight: 700;
  padding: 12.5px 24px;
  border-radius: 8px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.btn-ghost:hover { border-color: var(--violet); color: var(--violet); }

/* ---------- Metodologia ---------- */
.metodologia h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 22ch; margin-bottom: 44px; }
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.paso {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.paso:hover { border-color: var(--violet); transform: translateY(-3px); }
.paso-num { font-size: 0.85rem; font-weight: 800; color: var(--violet); }
.paso h3 { font-size: 1.08rem; margin: 12px 0 8px; }
.paso p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* ---------- Casos de exito ---------- */
.casos { background: var(--petrol); color: #fff; }
.casos .eyebrow { color: #8fd8c9; }
.casos h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 22ch; margin-bottom: 44px; }
.casos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 26px; }
.caso {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 30px 26px;
}
.caso-metric { font-size: 2.4rem; font-weight: 800; color: #8fd8c9; display: block; margin-bottom: 8px; }
.caso h3 { font-size: 1.08rem; color: #fff; margin-bottom: 8px; }
.caso p { color: #bcd9d1; font-size: 0.9rem; margin: 0; }

/* ---------- Equipo ---------- */
.equipo { background: var(--white); }
.equipo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.equipo-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 18ch; }
.equipo-text p { color: var(--muted); margin-bottom: 24px; }
.equipo-lista { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.equipo-lista li { display: flex; flex-direction: column; padding: 14px 0; border-top: 1px solid var(--line); }
.equipo-lista strong { font-size: 0.98rem; }
.equipo-lista span { font-size: 0.85rem; color: var(--muted); }
.equipo-img { height: 380px; border-radius: 16px; background-size: cover; background-position: center; }

/* ---------- Contacto ---------- */
.contacto { background: var(--paper); }
.contacto-inner { display: flex; justify-content: center; }
.contacto-card {
  max-width: 640px;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 44px 40px;
  text-align: center;
}
.contacto-card h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.contacto-lead { color: var(--muted); margin-bottom: 28px; }

.form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: flex; flex-direction: column; font-size: 0.85rem; font-weight: 700; gap: 6px; color: var(--ink-2); }
.form input, .form select {
  font-family: inherit; font-size: 0.95rem; padding: 11px 13px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--white);
}
.form input:focus, .form select:focus { outline: 2px solid var(--violet); outline-offset: 1px; }
.form-note { font-size: 0.76rem; color: var(--muted); text-align: center; margin: 0 0 4px; }

.contacto-datos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 20px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.contacto-datos p { margin: 0; font-size: 0.85rem; color: var(--muted); }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #9ca3af; padding: 36px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.footer .logo { color: #fff; }
.footer p { font-size: 0.82rem; margin: 0; }
.footer-credit a { color: #a89bff; }
.footer-credit a:hover { text-decoration: underline; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .equipo-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .equipo-img { height: 280px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { gap: 12px; font-size: 0.8rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .section { padding: 56px 0; }
  .contacto-card { padding: 32px 22px; }
}