/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #00b4b9;
  --color-primary-dark: #009a9e;
  --color-primary-light: #e0f7f7;
  --color-dark: #1a1a2e;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafa;
  --color-border: #e0e0e0;
  --font-family: 'Poppins', sans-serif;
  --header-height: 70px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s;
  height: var(--header-height);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  color: var(--color-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-dark);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, #16213e 100%);
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 180, 185, 0.7) 0%,
    rgba(26, 26, 46, 0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 120px 20px 80px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 40px;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 180, 185, 0.3);
  color: #fff;
}

/* === Sections === */
.section {
  padding: 100px 0;
}

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

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 60px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 15px auto 0;
  border-radius: 2px;
}

/* === About / Qué es === */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text .lead {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 15px;
}

.about-text p {
  color: var(--color-text-light);
  line-height: 1.8;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background: var(--color-bg);
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-3px);
}

.feature-icon {
  flex-shrink: 0;
  width: 45px;
  height: 45px;
  color: var(--color-primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 5px;
  color: var(--color-dark);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* === Steps / Cómo funciona === */
.steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.step {
  display: flex;
  gap: 25px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 55px;
  height: 55px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
}

.step-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.step-content p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* === Products === */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.product-card {
  background: var(--color-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  background: var(--color-primary-light);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.product-image img {
  max-height: 250px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.product-placeholder {
  width: 120px;
  height: 120px;
  color: var(--color-primary);
}

.product-placeholder.banda {
  width: 180px;
  height: 90px;
}

.product-placeholder svg {
  width: 100%;
  height: 100%;
}

.product-info {
  padding: 30px;
}

.product-info h3 {
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.product-specs {
  list-style: none;
}

.product-specs li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.product-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* === Municipalidades === */
.municipal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.municipal-text .lead {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.municipal-list {
  list-style: none;
}

.municipal-list li {
  padding: 8px 0 8px 25px;
  position: relative;
  color: var(--color-text-light);
  line-height: 1.6;
}

.municipal-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
}

.municipal-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* === Casos de éxito === */
.caso-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.caso-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 15px;
}

.caso-card h3 {
  font-size: 1.6rem;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.caso-descripcion {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 30px;
}

.caso-detalles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.caso-detalle {
  text-align: center;
  padding: 20px;
  background: var(--color-primary-light);
  border-radius: 12px;
}

.caso-numero {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 5px;
}

.caso-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.caso-cita {
  border-left: 4px solid var(--color-primary);
  padding: 15px 25px;
  margin-bottom: 20px;
  font-style: italic;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  border-radius: 0 8px 8px 0;
}

.caso-cita cite {
  display: block;
  margin-top: 10px;
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 500;
  color: var(--color-dark);
}

.caso-link {
  display: inline-block;
  font-weight: 600;
  color: var(--color-primary);
  transition: color 0.3s;
}

.caso-link:hover {
  color: var(--color-primary-dark);
}

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.4rem;
  color: var(--color-dark);
  margin-bottom: 5px;
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: 25px;
}

.contact-list {
  list-style: none;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--color-text);
}

.contact-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: border-color 0.3s;
  outline: none;
}

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

.form-group textarea {
  resize: vertical;
}

/* === Footer === */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding: 30px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.footer .logo-img {
  height: 35px;
  filter: brightness(0) invert(1);
}

.footer-text {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === Responsive === */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a {
    display: block;
    padding: 15px 0;
  }

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

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }

  .about-grid,
  .municipal-grid,
  .products-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .caso-detalles {
    grid-template-columns: 1fr;
  }

  .caso-card {
    padding: 25px;
  }

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