/* ============================================
   CICLAMONTAÑAS — Landing V1
   Branding 1.1: Minimalismo cálido
   ============================================ */

/* --- Variables --- */
:root {
  --color-bg: #FCFAF4;
  --color-text: #39423D;
  --color-primary: #6FAF72;
  --color-primary-hover: #8CBF9F;
  --color-accent-yellow: #F4D35E;
  --color-accent-coral: #F28C82;
  --color-accent-lavender: #C8B6E2;
  --color-accent-blue: #A8D8EA;
  --color-line: #E8E6E1;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --max-width: 900px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--color-primary-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-primary);
  color: #fff;
}

/* --- HERO --- */
.hero {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.hero__logo img {
  width: 100px;
  height: 100px;
  margin: 0 auto;
}

.hero__title {
  margin-bottom: var(--space-xs);
}

.hero__author {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero__intro {
  max-width: 600px;
  margin: 0 auto var(--space-md);
  font-size: 1.1rem;
}

.hero__ctas {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.hero__illustration {
  width: 150px;
  height: 150px;
  opacity: 0.6;
  margin-top: var(--space-md);
}

/* --- PROYECTO --- */
.section--proyecto {
  background-color: #fff;
}

.proyecto__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
}

.proyecto__text p {
  margin-bottom: var(--space-sm);
  max-width: 600px;
}

.proyecto__illustration {
  text-align: center;
}

.proyecto__illustration img {
  width: 250px;
  height: 250px;
  margin: 0 auto;
  opacity: 0.7;
}

/* --- EBOOK --- */
.section--ebook {
  background-color: #fff;
}

.ebook__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: start;
}

.ebook__cover {
  text-align: center;
}

.ebook__cover img {
  max-width: 280px;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.ebook__description {
  margin-bottom: var(--space-sm);
}

.ebook__subtitle {
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.ebook__list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-sm);
}

.ebook__list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.ebook__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.ebook__price {
  margin: var(--space-md) 0;
  font-size: 1.1rem;
}

.ebook__info .btn {
  margin-top: var(--space-sm);
}

.ebook__preview {
  margin: 1.5rem 0 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.ebook__preview a {
  color: var(--color-primary);
  text-decoration: underline;
}

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

/* --- NEWSLETTER --- */
.section--newsletter {
  background-color: var(--color-bg);
  text-align: center;
}

.newsletter__content {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter__text {
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.newsletter__form {
  display: flex;
  gap: var(--space-xs);
  max-width: 400px;
  margin: var(--space-md) auto 0;
  width: 100%;
}

.newsletter__form input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: #fff;
  color: var(--color-text);
}

.newsletter__form input[type="email"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
}

.newsletter__form .btn {
  margin-top: 0;
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

/* --- Responsive: Mobile --- */
@media (max-width: 480px) {
  .newsletter__form {
    flex-direction: column;
    align-items: stretch;
    max-width: 100%;
  }

  .newsletter__form input[type="email"] {
    width: 100%;
  }

  .newsletter__form .btn {
    width: 100%;
  }
}

/* --- FOOTER --- */
.footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  border-top: 1px solid var(--color-line);
}

.footer__logo {
  width: 50px;
  height: 50px;
  margin: 0 auto var(--space-sm);
  opacity: 0.7;
}

.footer__quote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.footer__nav {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-md);
}

.footer__nav a {
  font-weight: 500;
}

.footer__copy {
  font-size: 0.875rem;
  color: #888;
}

/* --- Responsive: Desktop --- */
@media (min-width: 768px) {
  .proyecto__content {
    grid-template-columns: 2fr 1fr;
  }

  .ebook__content {
    grid-template-columns: 1fr 2fr;
  }

  .hero__illustration {
    width: 200px;
    height: 200px;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }

  a {
    transition: none;
  }
}