:root {
  --primary-color: #FF6B35;
  /* Naranja más suave */
  --primary-dark: #E05A2B;
  --secondary-color: #004E89;
  --light-color: #F7F9FC;
  --dark-color: #171616;
  --gray-color: #817a79;
  --light-gray: #E2E8F0;
  --success-color: #48BB78;
  --warning-color: #ED8936;
  --error-color: #F56565;

  --font-main: 'Inter', sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 4rem;

  --border-radius: 8px;
  --border-radius-lg: 12px;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
}

/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-color);
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  font-weight: 600;
}

p {
  color: white;
}

a {
  color: white;
}

.highlight {
  color: var(--primary-color);
  text-transform: uppercase;
  font-weight: bolder;
}

.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border-color: white;
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-5px);
}

.btn-download {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-download:hover {
  transform: translateY(-2px);
  background-color: var(--primary-dark);
}

.btn-submit {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  width: 100%;
  font-size: 14px;
  font-weight: 600;
}

.btn-submit:hover {
  transform: translateY(-2px);
  background-color: var(--primary-dark);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #F04C3D;
  background: linear-gradient(90deg, rgba(240, 76, 61, 1) 0%, rgba(245, 177, 74, 1) 62%);
  box-shadow: var(--box-shadow);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  max-width: 100px;
  height: auto;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  color: white;
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: white;
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  z-index: 1001;
}

.hamburger-box {
  width: 24px;
  height: 24px;
  display: inline-block;
  position: relative;
}

.hamburger-inner {
  width: 100%;
  height: 2px;
  background-color: white;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: var(--transition);
}

.hamburger-inner::before,
.hamburger-inner::after {
  content: '';
  width: 100%;
  height: 2px;
  background-color: white;
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.hamburger-inner::before {
  top: -8px;
}

.hamburger-inner::after {
  top: 8px;
}

.hero {
  background: linear-gradient(135deg, rgb(110 32 5 / 28%) 0%, rgb(32 9 1) 100%), url(../img/bg-hero.jpg) no-repeat center center;
  background-size: cover;
  color: white;
  padding: var(--spacing-2xl) 0;
  margin-top: 80px;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
}

.hero-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 90%;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.section {
  background-color: white;
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  text-align: center;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: var(--gray-color);
}

/* Grid y Cards */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-icon {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.card-text {
  color: var(--gray-color);
}

.ebook {
  background-color: #fff4ee;
}

.ebook-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.ebook-image {
  text-align: center;
}

.ebook-image img {
  max-height: 500px;
  width: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.ebook-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-);
}

.ebook-text {
  font-size: var(--font-size-base);
  color: var(--dark-color);
  margin: 1rem 0;
}

.ebook-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin: var(--spacing-xs) 0;
  margin: 5% 0 15%;
}

.ebook-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--dark-color);
}

.ebook-features i {
  color: var(--success-color);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

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

.form-group input,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.footer {
  background-color: #F04C3D;
  background: linear-gradient(90deg, rgba(240, 76, 61, 1) 0%, rgba(245, 177, 74, 1) 62%);
  color: white;
  padding: var(--spacing-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo img {
  max-width: 150px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: white;
  transition: var(--transition);
  font-size: 14px;
}

.footer-links a:hover {
  transform: translateY(-2px);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  color: white;
  font-size: var(--font-size-lg);
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light-gray);
  font-size: 12px;
}

@media (max-width: 992px) {

  .ebook-container {
    grid-template-columns: 1fr;
  }

  .ebook-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--warning-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: var(--spacing-lg);
    color: #171616;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-item {
    margin: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hamburger.active .hamburger-inner {
    background-color: transparent;
  }

  .hamburger.active .hamburger-inner::before {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .hamburger-inner::after {
    transform: translateY(-8px) rotate(-45deg);
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-text {
    font-size: var(--font-size-base);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .ebook-text {
    margin: 1.5rem 0;
  }
}