/* ---------- Variables / paleta profesional ---------- */
:root {
  --navy-900: #0f2c4c;
  --navy-800: #16385f;
  --navy-700: #1f4a78;
  --accent: #0e7c7b;
  --accent-light: #e6f3f2;
  --gray-900: #1a1f27;
  --gray-600: #5b6572;
  --gray-300: #d7dde3;
  --gray-100: #f5f7f9;
  --white: #ffffff;

  --font: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(15, 44, 76, 0.08);
  --container-width: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--navy-900);
  color: var(--white);
}
.btn--primary:hover { background: var(--navy-700); }

.btn--ghost {
  border-color: var(--navy-900);
  color: var(--navy-900);
}
.btn--ghost:hover { background: var(--navy-900); color: var(--white); }

.btn--nav { padding: 10px 22px; font-size: 0.9rem; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gray-300);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav a {
  font-weight: 500;
  color: var(--gray-600);
  font-size: 0.95rem;
}
.nav a:hover { color: var(--navy-900); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-900);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
  padding: 90px 0;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.eyebrow--center { text-align: center; }

.hero h1 {
  font-size: 2.6rem;
  color: var(--navy-900);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__lead {
  color: var(--gray-600);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__placeholder {
  height: 340px;
  border-radius: var(--radius);
  background: var(--gray-100);
  border: 2px dashed var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-weight: 600;
}

/* ---------- Secciones genéricas ---------- */
section { padding: 90px 0; }

.section-title {
  font-size: 2rem;
  color: var(--navy-900);
  margin-bottom: 48px;
}

.services .section-title,
.testimonials .section-title { text-align: center; }

/* ---------- Servicios ---------- */
.services { background: var(--white); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card h3 { color: var(--navy-900); margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--gray-600); font-size: 0.95rem; }

/* ---------- Sobre nosotros ---------- */
.about { background: var(--gray-100); }

.about__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.about__text p { color: var(--gray-600); }

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat__number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy-900);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* ---------- Testimonios ---------- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 28px;
}

.testimonial p { color: var(--gray-900); margin-bottom: 16px; font-style: italic; }
.testimonial footer { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* ---------- Contacto ---------- */
.contact { background: var(--navy-900); color: var(--white); }

.contact .eyebrow { color: var(--accent); }
.contact .section-title { color: var(--white); }
.contact__info p { color: var(--gray-300); margin-bottom: 24px; }

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact__list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.contact__list li { color: var(--gray-300); }
.contact__list strong { color: var(--white); }

.contact__form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact__form label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-900);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact__form input,
.contact__form textarea {
  font-family: var(--font);
  font-weight: 400;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--gray-300);
  font-size: 0.95rem;
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact__form .btn { align-self: flex-start; }

/* ---------- Footer ---------- */
.footer { background: var(--gray-900); color: var(--gray-300); padding: 40px 0; }

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.logo--footer { color: var(--white); }

.footer__nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer__nav a { color: var(--gray-300); font-size: 0.9rem; }
.footer__nav a:hover { color: var(--white); }

.footer__copy { font-size: 0.85rem; color: var(--gray-600); width: 100%; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner,
  .about__inner,
  .contact__inner { grid-template-columns: 1fr; }

  .services__grid,
  .testimonials__grid { grid-template-columns: 1fr 1fr; }

  .hero__media { order: -1; }
}

@media (max-width: 640px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-300);
    display: none;
    gap: 16px;
  }
  .nav.is-open { display: flex; }

  .btn--nav { display: none; }
  .nav-toggle { display: flex; }

  .hero h1 { font-size: 2rem; }

  .services__grid,
  .testimonials__grid,
  .about__stats { grid-template-columns: 1fr; }

  .footer__inner { flex-direction: column; text-align: center; }
}

/* ---------- Utilidad: mensaje de envío ---------- */
.form-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}