/* LAIA — AI & Business Solutions */

:root {
  --navy: #16324a;
  --navy-dark: #0d2135;
  --teal: #2f7d8f;
  --blue: #3d7cb8;
  --ink: #1c2b36;
  --muted: #5b6b76;
  --bg: #ffffff;
  --bg-soft: #f4f8fa;
  --border: #e2e8ec;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

#servicios .container {
  max-width: 1200px;
}

/* Header */
header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 10px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 4px;
}

.brand-icon {
  height: 46px;
  width: auto;
  display: block;
}

.brand-wordmark {
  height: 33px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-left: 8px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-btn.active {
  background: var(--navy-dark);
  color: #fff;
}

.lang-btn:not(.active):hover {
  color: var(--navy-dark);
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 125, 143, 0.3);
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(ellipse at top, rgba(238, 245, 248, 0.72) 0%, rgba(255, 255, 255, 0.85) 55%),
    url("../assets/cta-bg.jpg") center 30%/cover no-repeat;
}

.hero-logo {
  width: 340px;
  max-width: 80%;
  height: auto;
  margin: 0 auto 28px;
  display: block;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.25;
  color: var(--navy-dark);
  margin: 0 auto 18px;
  max-width: 700px;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: 1.1rem;
}

/* Services grid */
.section {
  padding: 72px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--navy-dark);
  margin: 0 0 10px;
}

.section-title p {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background:
    linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.9)),
    url("../assets/cta-bg.jpg") center/cover no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 32px 32px;
  text-align: left;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(22, 50, 74, 0.08);
}

.card-head {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.card .icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.card h3 {
  font-size: 1.15rem;
  color: var(--navy-dark);
  margin: 0;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* FAQ */
.container-narrow {
  max-width: 760px;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  font-size: 1.05rem;
  color: var(--navy-dark);
  margin: 0 0 10px;
}

.faq-item p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Blog listing */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.blog-card {
  display: block;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(22, 50, 74, 0.08);
}

.blog-card h2 {
  font-size: 1.2rem;
  color: var(--navy-dark);
  margin: 0 0 10px;
}

.blog-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 14px;
}

.blog-card-link {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Blog article */
.article-content {
  max-width: 720px;
  margin: 0 auto;
}

.article-content .article-lead {
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0 0 28px;
}

.article-content h2 {
  font-size: 1.3rem;
  color: var(--navy-dark);
  margin: 32px 0 12px;
}

.article-content p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 16px;
}

.article-content .article-closing {
  margin-top: 32px;
  color: var(--ink);
  font-size: 1.05rem;
}

.article-content .article-closing a {
  color: var(--teal);
  font-weight: 600;
}

.article-back-link {
  display: inline-block;
  margin-top: 28px;
  color: var(--teal);
  font-weight: 600;
  font-size: 0.9rem;
}

/* CTA band */
.cta {
  padding: 72px 0;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(13, 33, 53, 0.93), rgba(47, 125, 143, 0.88)),
    url("../assets/cta-bg.jpg") center/cover no-repeat;
  color: #fff;
}

.cta h2 {
  margin: 0 0 12px;
  font-size: 1.8rem;
}

.cta p {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.85);
}

.cta .btn {
  background: #fff;
  color: var(--navy-dark);
}

.cta .btn:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer.site {
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

footer.site .brand-line {
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 6px;
}

/* Page ribbon (photo band used on secondary pages) */
.page-ribbon {
  padding: 56px 0;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(13, 33, 53, 0.93), rgba(47, 125, 143, 0.88)),
    url("../assets/cta-bg.jpg") center/cover no-repeat;
  color: #fff;
}

.page-ribbon h1 {
  font-size: 2.2rem;
  margin: 0 0 12px;
}

.page-ribbon p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact page */
.contact-wrap {
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--navy-dark);
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-dark);
}

.field input,
.field textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: #fff;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 125, 143, 0.15);
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.form-success,
.form-error {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
  text-align: center;
}

.form-success {
  background: #e4f4ec;
  color: #1f6b45;
}

.form-error {
  background: #fbe7e7;
  color: #a13333;
}

/* Tablet */
@media (max-width: 900px) {
  .hero {
    padding: 72px 0 56px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 56px 0;
  }

  .card {
    padding: 24px;
  }

  .card-head {
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 16px;
  }

  .card .icon {
    width: 48px;
    height: 48px;
  }

  .cta h2 {
    font-size: 1.5rem;
  }

  .page-ribbon {
    padding: 40px 0;
  }

  .page-ribbon h1 {
    font-size: 1.7rem;
  }

  .contact-wrap {
    padding: 40px 20px 64px;
  }
}

/* Small phones */
@media (max-width: 400px) {
  .container {
    padding: 0 16px;
  }

  .brand {
    gap: 3px;
  }

  .brand-icon {
    height: 36px;
  }

  .brand-wordmark {
    height: 26px;
  }

  .lang-switch {
    margin-left: 4px;
    padding: 3px;
  }

  .lang-btn {
    padding: 4px 9px;
    font-size: 0.7rem;
  }

  .nav .btn {
    padding: 9px 16px;
    font-size: 0.85rem;
  }

  .hero h1 {
    font-size: 1.55rem;
  }
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 999;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

@media (max-width: 640px) {
  .whatsapp-float {
    width: 52px;
    height: 52px;
    right: 16px;
    bottom: 16px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
}