/*
 * Estilos generales para la landing page del Programa de IA aplicada.
 * Diseño mobile‑first con colores corporativos de la Cámara de Comercio de
 * Barranquilla y Boost Business Consulting.
 */

/* Variables de color */
:root {
  --color-primary: #103d75; /* azul profundo */
  --color-secondary: #5b2c82; /* morado corporativo */
  --color-accent: #007bc1; /* color para botones y enlaces */
  --color-background: #f9f9f9;
  --color-text: #333333;
  --color-light: #ffffff;
  --color-whatsapp: #25d366;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  color: var(--color-primary);
}

p {
  margin-bottom: 1rem;
}

ul {
  padding-left: 1.5rem;
  margin: 0 0 1rem 0;
}

li {
  margin-bottom: 0.5rem;
}

/* Hero / header */
.hero {
  background: linear-gradient(180deg, #5a2b80 0%, #293078 50%, #003d79 100%);
  color: var(--color-light);
  min-height: 100vh;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.nav .logo img {
  height: 50px;
}

.nav .menu a {
  margin-right: 1rem;
  color: var(--color-light);
  font-weight: 600;
}

.nav .menu a:last-child {
  margin-right: 0;
}

.nav .menu a:hover {
  text-decoration: underline;
}

.hero-content {
  text-align: center;
  margin-top: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--color-light);
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  color: var(--color-light);
}

.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-light);
  padding: 0.75rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #005f96;
  color: var(--color-light);
}

/* Sections */
section {
  padding: 3rem 1rem;
  background-color: var(--color-light);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--color-primary);
}

.phase {
  background-color: var(--color-background);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.phase h3 {
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.timeline-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.timeline-list li {
  margin-bottom: 0.5rem;
}

/* Roles section */
.roles {
  display: grid;
  gap: 1.5rem;
}

.role-card {
  background-color: var(--color-background);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.role-card h4 {
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

/* Contacts */
.contacts {
  display: grid;
  gap: 1.5rem;
}

.contact-card {
  background-color: var(--color-background);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.contact-card img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
}

.contact-card h3 {
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.contact-card p.role {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-secondary);
}

.contact-card .phone {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.contact-card .icons {
  margin-top: 0.75rem;
  display: flex;
  justify-content: center;
}

.contact-card .icons a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0.25rem;
  color: var(--color-light);
  background-color: var(--color-accent);
  transition: background-color 0.3s ease;
}

.contact-card .icons a.whatsapp {
  background-color: var(--color-whatsapp);
}

.contact-card .icons a:hover {
  opacity: 0.8;
}

/* FAQs */
.faqs details {
  background-color: var(--color-background);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.faqs summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-secondary);
  outline: none;
}

.faqs details[open] {
  background-color: #ece6f3;
}

.faqs p {
  margin-top: 0.5rem;
}

/* Contact form */
.contact-form form {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.contact-form button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  background-color: var(--color-accent);
  color: var(--color-light);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form button:hover {
  background-color: #005f96;
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-light);
  text-align: center;
  padding: 1rem;
}

.footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Fade-in animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive design */
@media (min-width: 640px) {
  .roles {
    grid-template-columns: 1fr 1fr;
  }
  .contacts {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .hero h1 {
    font-size: 3rem;
  }
  .hero p {
    font-size: 1.25rem;
  }
  .roles {
    grid-template-columns: repeat(4, 1fr);
  }
  .contacts {
    grid-template-columns: repeat(3, 1fr);
  }
}