:root {
  --primary: #1f4e79;
  --primary-dark: #153852;
  --secondary: #d4a373;
  --secondary-dark: #bd8550;
  --dark: #0d141a;
  --text: #3c4652;
  --muted: #70777f;
  --light: #f6f7f9;
  --white: #ffffff;
  --border: #e3e6ea;
  --shadow: 0 18px 45px rgba(13, 20, 26, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* HEADER */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
}

.nav a:hover {
  color: var(--primary);
}

.menu-btn {
  display: none;
  border: 0;
  background: var(--primary);
  color: var(--white);
  font-size: 1.5rem;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}

/* HERO */

.hero {
  min-height: 680px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(13, 20, 26, 0.68), rgba(13, 20, 26, 0.68)),
    url("https://images.unsplash.com/photo-1560520653-9e0e4c89eb11?q=80&w=1600&h=1000&fit=crop");
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.hero-content {
  max-width: 780px;
}

.tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(212, 163, 115, 0.18);
  color: var(--secondary);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.05;
}

.hero p {
  max-width: 660px;
  margin: 0 0 32px;
  font-size: 1.2rem;
  color: #edf1f5;
}

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

/* BOTONES */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--secondary);
  color: var(--dark);
}

.btn-primary:hover {
  background: var(--secondary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* TARJETAS RESUMEN */

.intro-cards {
  margin-top: -90px;
  position: relative;
  z-index: 2;
  padding-bottom: 40px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  padding: 30px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card h2 {
  margin-top: 0;
  color: var(--primary);
}

/* SECCIONES */

.section {
  padding: 90px 0;
}

.light {
  background: var(--light);
}

.split {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.section h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--dark);
  line-height: 1.15;
}

.section p {
  font-size: 1.05rem;
}

.info-box {
  padding: 34px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-box h3 {
  margin-top: 0;
}

.info-box p {
  color: #edf1f5;
}

/* SERVICIOS */

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.service-card img {
  height: 230px;
  width: 100%;
  object-fit: cover;
}

.service-card div {
  padding: 26px;
}

.service-card h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 1.35rem;
}

/* CRÉDITOS */

.credits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.credit-card {
  position: relative;
  padding: 30px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 5px solid var(--secondary);
  overflow: hidden;
}

.credit-card::after {
  content: "";
  position: absolute;
  right: -35px;
  bottom: -35px;
  width: 110px;
  height: 110px;
  background: rgba(31, 78, 121, 0.07);
  border-radius: 50%;
}

.credit-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-weight: 900;
  font-size: 0.9rem;
}

.credit-card h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 1.3rem;
}

.credit-card p {
  margin: 0;
  color: var(--text);
}

.process-box {
  margin-top: 50px;
  padding: 36px;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.process-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.process-box h2 {
  color: var(--white);
  margin-bottom: 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 28px 0;
}

.step {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--dark);
  font-weight: 900;
}

.step h3 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 1rem;
}

.step p {
  margin: 0;
  color: #edf1f5;
  font-size: 0.95rem;
}

.legal-light {
  margin-top: 22px;
  color: #c9d1da;
}

/* CTA */

.cta-section {
  padding: 70px 0;
  background:
    linear-gradient(rgba(31, 78, 121, 0.92), rgba(31, 78, 121, 0.92)),
    url("https://images.unsplash.com/photo-1554224155-6726b3ff858f?q=80&w=1600&h=900&fit=crop");
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-box h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.cta-box p {
  margin: 0;
  max-width: 660px;
  color: #edf1f5;
}

/* CONTACTO */

.contact-section {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: start;
}

.contact-data {
  margin: 24px 0;
  padding: 18px;
  background: var(--light);
  border-left: 4px solid var(--secondary);
  border-radius: 12px;
}

.legal {
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form {
  padding: 30px;
  background: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  margin-bottom: 16px;
  font-weight: 700;
  color: var(--dark);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
}

.form-message {
  margin-bottom: 0;
  font-weight: 800;
  color: var(--primary);
}

/* NEWSLETTER */

.newsletter {
  padding: 60px 0;
  background: var(--primary);
  color: var(--white);
}

.newsletter-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.newsletter h2 {
  margin: 0 0 8px;
}

.newsletter p {
  margin: 0;
  color: #dce5ef;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  width: min(460px, 100%);
}

.newsletter-form input {
  flex: 1;
  padding: 14px;
  border: 0;
  border-radius: 999px;
  outline: none;
}

.newsletter-form button {
  border: 0;
  border-radius: 999px;
  padding: 0 20px;
  background: var(--secondary);
  color: var(--dark);
  font-weight: 800;
  cursor: pointer;
}

/* FOOTER */

.footer {
  padding: 55px 0 24px;
  background: var(--dark);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.footer h3 {
  margin-top: 0;
}

.footer p {
  color: #c9d1da;
}

.socials {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.socials a:hover {
  color: var(--secondary);
}

.copy {
  margin: 38px 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: #c9d1da;
}

/* WHATSAPP */

.whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  height: 52px;
  padding: 0 18px;
  border-radius: 999px;
  background: #25d366;
  color: var(--white);
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.35);
}

/* RESPONSIVE */

@media (max-width: 980px) {
  .menu-btn {
    display: block;
  }

  .nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 4%;
    background: var(--white);
    border-bottom: 1px solid var(--border);
  }

  .nav.active {
    display: flex;
  }

  .cards-grid,
  .services-grid,
  .credits-grid,
  .contact-grid,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-cards {
    margin-top: 0;
    padding-top: 30px;
  }

  .hero {
    min-height: 600px;
  }

  .newsletter-box,
  .cta-box,
  .process-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    min-height: 48px;
  }
}

@media (max-width: 560px) {
  .nav-container {
    min-height: 68px;
  }

  .nav {
    top: 68px;
  }

  .logo {
    font-size: 0.98rem;
  }

  .hero {
    min-height: 560px;
  }

  .section {
    padding: 64px 0;
  }

  .card,
  .contact-form,
  .info-box,
  .credit-card,
  .process-box {
    padding: 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .whatsapp {
    right: 14px;
    bottom: 14px;
    min-width: auto;
  }
}