/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --negro:   #111111;
  --naranja: #E8480A;
  --dorado:  #F5A623;
  --crema:   #FAF7F2;
  --gris:    #1E1E1E;
  --texto:   #333333;
  --borde:   #E2DDD8;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: var(--texto);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Tipografia ── */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; line-height: 1.2; }

/* ── Utilidades ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform .15s, opacity .15s;
}
.btn:hover { transform: translateY(-2px); opacity: .92; }
.btn-primary { background: var(--naranja); color: #fff; }
.btn-outline  { background: transparent; color: #fff; border: 2px solid #fff; }
.badge {
  display: inline-block;
  background: var(--dorado);
  color: var(--negro);
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
}
section { padding: 80px 0; }

/* ── HEADER ── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--negro);
  z-index: 100;
  border-bottom: 2px solid var(--naranja);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: .02em;
}
.logo-text span { color: var(--naranja); }
nav { display: flex; align-items: center; gap: 28px; }
nav a {
  color: #ccc;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: .02em;
  transition: color .15s;
}
nav a:hover { color: #fff; }
.nav-cta { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: .3s;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--negro);
  padding: 20px;
  gap: 16px;
  border-top: 1px solid #333;
}
.mobile-menu a {
  color: #ccc;
  font-size: 1rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid #222;
}
.mobile-menu.open { display: flex; }

@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }
}
@media (min-width: 769px) {
  .nav-cta { display: inline-block; }
}

/* ── HERO ── */
.hero {
  background: var(--crema);
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.hero-content { color: var(--negro); }
.hero-content .badge { margin-bottom: 16px; }
.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--negro);
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--naranja); }
.hero-content p {
  color: #555;
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-outline { color: var(--negro); border-color: var(--negro); }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid #ddd;
}
.stat-item { text-align: center; }
.stat-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--naranja);
  display: block;
}
.stat-label { font-size: 0.78rem; color: #888; text-transform: uppercase; letter-spacing: .05em; }
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image img {
  width: 100%;
  max-width: 400px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}
@media (max-width: 768px) {
  section { padding: 52px 0; }
  .hero { padding: 88px 0 52px; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .hero-image { order: -1; }
  .hero-image img { max-width: 260px; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
    padding-top: 24px;
    margin-top: 28px;
  }
  .section-header { margin-bottom: 36px; }
}

/* ── BENEFICIOS ── */
.beneficios { background: #fff; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--negro);
  margin-bottom: 12px;
}
.section-header p { color: #666; max-width: 520px; margin: 0 auto; }
.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.beneficio-card {
  background: #fff;
  border-radius: 10px;
  padding: 28px 24px;
  border: 1px solid var(--borde);
  transition: box-shadow .2s, transform .2s;
}
.beneficio-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.08); transform: translateY(-3px); }
.beneficio-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--naranja), var(--dorado));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.beneficio-card h3 { font-size: 1rem; font-weight: 700; color: var(--negro); margin-bottom: 8px; }
.beneficio-card p { font-size: 0.88rem; color: #666; }
@media (max-width: 900px) { .beneficios-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .beneficios-grid { grid-template-columns: 1fr; } }

/* ── CERTIFICACIONES ── */
.certificaciones { background: var(--negro); }
.certificaciones .section-header h2 { color: #fff; }
.certificaciones .section-header p { color: #888; }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cert-card {
  background: var(--gris);
  border: 1px solid #333;
  border-radius: 10px;
  padding: 24px 20px;
  text-align: center;
}
.cert-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--dorado);
  display: block;
  margin-bottom: 4px;
}
.cert-param { font-size: 0.8rem; color: #aaa; margin-bottom: 8px; }
.cert-badge-ok {
  display: inline-block;
  background: rgba(34,197,94,.15);
  color: #4ade80;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.cert-footer {
  text-align: center;
  margin-top: 32px;
  color: #666;
  font-size: 0.82rem;
}
@media (max-width: 900px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }

/* ── PRECIOS ── */
.precios { background: var(--crema); }
.precios-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 720px;
  margin: 0 auto;
}
.precio-card {
  background: #fff;
  border: 2px solid var(--borde);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: center;
  position: relative;
}
.precio-card.destacado {
  border-color: var(--naranja);
  box-shadow: 0 12px 48px rgba(232,72,10,.15);
}
.precio-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--naranja);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.precio-rango { font-size: 0.88rem; color: #888; margin-bottom: 12px; }
.precio-valor {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.8rem;
  color: var(--negro);
  line-height: 1;
}
.precio-valor sup { font-size: 1.2rem; vertical-align: super; }
.precio-unidad { font-size: 0.85rem; color: #888; margin-top: 4px; margin-bottom: 20px; }
.precio-detalle { font-size: 0.85rem; color: #666; border-top: 1px solid var(--borde); padding-top: 16px; }
@media (max-width: 560px) { .precios-grid { grid-template-columns: 1fr; } }

/* ── COMO FUNCIONA ── */
.como-funciona { background: #fff; }
.pasos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.paso {
  text-align: center;
  padding: 20px 12px;
}
.paso-num {
  width: 52px;
  height: 52px;
  background: var(--naranja);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.paso h3 { font-size: 0.95rem; font-weight: 700; color: var(--negro); margin-bottom: 8px; }
.paso p { font-size: 0.84rem; color: #666; }
@media (max-width: 768px) { .pasos { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .pasos { grid-template-columns: 1fr; } }

/* ── FORMULARIO ── */
.formulario { background: var(--negro); }
.formulario .section-header h2 { color: #fff; }
.formulario .section-header p { color: #888; }
.form-wrap {
  background: var(--gris);
  border: 1px solid #333;
  border-radius: 14px;
  padding: 40px;
  max-width: 700px;
  margin: 0 auto;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 0.82rem; font-weight: 600; color: #bbb; text-transform: uppercase; letter-spacing: .05em; }
.input-prefix {
  display: flex;
  align-items: stretch;
  border: 1px solid #444;
  border-radius: 6px;
  overflow: hidden;
  transition: border-color .2s;
}
.input-prefix:focus-within { border-color: var(--naranja); }
.input-prefix .prefix {
  background: #333;
  color: #aaa;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  padding: 10px 12px;
  border-right: 1px solid #444;
  white-space: nowrap;
  user-select: none;
}
.input-prefix input {
  border: none;
  border-radius: 0;
  flex: 1;
}
.input-prefix input:focus { border-color: transparent; }
input, select, textarea {
  background: #2a2a2a;
  border: 1px solid #444;
  border-radius: 6px;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: #666; }
input:focus, select:focus, textarea:focus { border-color: var(--naranja); }
select option { background: #2a2a2a; }
textarea { resize: vertical; min-height: 80px; }
.calculadora {
  background: #1a1a1a;
  border: 1px solid var(--naranja);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.calc-item { text-align: center; }
.calc-label { font-size: 0.72rem; color: #888; text-transform: uppercase; letter-spacing: .05em; display: block; }
.calc-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dorado);
  display: block;
}
.calc-total .calc-value { font-size: 1.5rem; color: var(--naranja); }
.form-error { color: #f87171; font-size: 0.8rem; display: none; }
.form-error.visible { display: block; }
.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  margin-top: 8px;
  border-radius: 8px;
}
.form-msg {
  display: none;
  text-align: center;
  padding: 16px;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 16px;
}
.form-msg.ok { background: rgba(34,197,94,.15); color: #4ade80; display: block; }
.form-msg.err { background: rgba(239,68,68,.15); color: #f87171; display: block; }
@media (max-width: 600px) {
  .form-wrap { padding: 24px 16px; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ── CONTACTO ── */
.contacto { background: var(--crema); }
.contacto-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.contacto-info h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; color: var(--negro); margin-bottom: 16px; }
.contacto-info p { color: #666; margin-bottom: 28px; }
.wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform .15s, opacity .15s;
}
.wa-btn:hover { transform: translateY(-2px); opacity: .92; }
.wa-btn svg { width: 22px; height: 22px; fill: #fff; }
.contacto-cards { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--naranja), var(--dorado));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-card h4 { font-size: 0.88rem; font-weight: 700; color: var(--negro); margin-bottom: 2px; }
.contact-card p { font-size: 0.84rem; color: #666; }
@media (max-width: 768px) { .contacto-inner { grid-template-columns: 1fr; } }

/* ── FOOTER ── */
footer {
  background: var(--negro);
  color: #888;
  padding: 32px 0;
  text-align: center;
  font-size: 0.82rem;
  border-top: 1px solid #222;
}
footer strong { color: #fff; }

/* Honeypot — invisible para humanos, visible para bots */
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

/* ── WHATSAPP FLOTANTE ── */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  z-index: 200;
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }