/* ============================================
   LIA GIL — Design System & Styles
   ============================================ */

/* — Google Fonts — */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* — CSS Variables — */
:root {
  --berenjena: #8C2F5B;
  --berenjena-dark: #6e2248;
  --mostaza: #D6A437;
  --mostaza-dark: #b8892a;
  --gris-claro: #F1F4F6;
  --gris-fondo: #F8FAFB;

  --gris-oscuro: #2F3A42;
  --gris-texto: #2A2A2A;
  --blanco: #FFFFFF;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-text-width: 720px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.2s ease;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 17px;
  line-height: 1.7;
  color: var(--gris-texto);
  background-color: var(--gris-claro);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* — Typography — */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gris-texto);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 700;
  margin-bottom: 24px;
}

p {
  margin-bottom: 1.6em;
}

p:last-child {
  margin-bottom: 0;
}

/* — Layout Utilities — */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-container {
  max-width: var(--max-text-width);
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}


.section--dark {
  background-color: var(--gris-oscuro);
  color: var(--blanco);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--blanco);
}

.section--light {
  background-color: var(--gris-claro);
}

.section--white {
  background-color: var(--blanco);
}

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

.section--cta {
  background-color: var(--berenjena);
  color: var(--blanco);
  text-align: center;
}

.section--cta h2 {
  color: var(--blanco);
}

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

/* — Fade-in Animation — */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--blanco);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--berenjena);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
}

.header-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gris-texto);
  position: relative;
  transition: color var(--transition);
  padding: 4px 0;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--berenjena);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--berenjena) !important;
  color: var(--blanco) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--berenjena-dark) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gris-texto);
  transition: all 0.3s ease;
  border-radius: 2px;
}

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

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

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

/* — Spacer for fixed header — */
.header-spacer {
  height: var(--header-height);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--gris-oscuro);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(140,47,91,0.08) 0%, transparent 70%);

  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(214,164,55,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero h1,
.hero h2,
.hero h3 {
  color: var(--blanco);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-text-width);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 400;
  line-height: 1.7;
  opacity: 0.88;
  margin-top: 24px;
  margin-bottom: 40px;
}

.hero--page {
  min-height: 50vh;
  padding: 120px 0 80px;
}

.hero--page .hero__subtitle {
  margin-bottom: 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.4;
}

.btn--primary {
  background: var(--berenjena);
  color: var(--blanco);
  border-color: var(--berenjena);
}

.btn--primary:hover {
  background: var(--mostaza);
  border-color: var(--mostaza);
  color: var(--gris-oscuro);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--blanco);
  border-color: var(--blanco);
}

.btn--outline:hover {
  background: var(--blanco);
  color: var(--gris-oscuro);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline-dark {
  background: transparent;
  color: var(--gris-texto);
  border-color: var(--gris-texto);
}

.btn--outline-dark:hover {
  background: var(--gris-texto);
  color: var(--blanco);
  transform: translateY(-2px);
}

.btn--mostaza {
  background: var(--mostaza);
  color: var(--gris-oscuro);
  border-color: var(--mostaza);
  font-weight: 700;
}

.btn--mostaza:hover {
  background: var(--mostaza-dark);
  border-color: var(--mostaza-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ============================================
   CARDS
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.cards-grid article {
  display: flex;
  flex-direction: column;
}


.card {
  background: var(--blanco);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mostaza);
  margin-bottom: 14px;
}

.card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.35;
  color: var(--gris-texto);
}

.card__excerpt {
  font-size: 0.92rem;
  color: #5a5a5a;
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--berenjena);
  transition: color var(--transition);
  align-self: flex-start;
}

.card__link:hover {
  color: var(--mostaza);
}

/* Cards on dark sections */
.section--light .card {
  background: var(--blanco);
}

/* Defense/Values cards */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.value-card {
  background: var(--berenjena);
  color: var(--blanco);
  padding: 28px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.value-card__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  color: var(--mostaza);
}

/* ============================================
   LISTS
   ============================================ */
.feature-list {
  margin-top: 32px;
}

.feature-list li {
  padding: 14px 0;
  font-size: 1.02rem;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list__icon {
  color: var(--berenjena);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Negative list */
.negative-list li {
  padding: 12px 0;
  font-size: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.negative-list__icon {
  color: var(--mostaza);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================
   HIGHLIGHTED LINES (Tesis section)
   ============================================ */
.highlight-lines {
  margin: 40px 0;
}

.highlight-line {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: var(--berenjena);
  padding: 20px 0;
  border-bottom: 1px solid rgba(140,47,91,0.1);
}


.highlight-line:last-child {
  border-bottom: none;
}

/* ============================================
   ARTICLE
   ============================================ */
.article {
  padding: 80px 0 100px;
}

.article__header {
  margin-bottom: 48px;
}

.article__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mostaza);
  margin-bottom: 16px;
}

.article__content {
  max-width: var(--max-text-width);
  margin: 0 auto;
}

.article__content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 20px;
  color: var(--berenjena);
}

.article__content p {
  margin-bottom: 1.4em;
  line-height: 1.8;
}

.article__content blockquote {
  border-left: 3px solid var(--berenjena);
  padding: 16px 24px;
  margin: 32px 0;
  font-style: italic;
  color: #555;
  background: rgba(140,47,91,0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article__nav {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(0,0,0,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 36px;
  align-items: center;
}

.contact-note {
  margin-top: 40px;
  font-size: 0.85rem;
  color: #888;
  font-style: italic;
}

/* ============================================
   NEWSLETTER FORM
   ============================================ */
.newsletter-form-container {
  max-width: 500px;
  margin: 0 auto;
}

.placeholder-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 600px) {
  .placeholder-form {
    flex-direction: row;
  }
  
  .placeholder-form .input-field {
    flex-grow: 1;
  }
}

.input-field {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  color: var(--blanco);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.input-field:focus {
  outline: none;
  border-color: var(--mostaza);
  background: rgba(255,255,255,0.1);
}

.input-field::placeholder {
  color: rgba(255,255,255,0.5);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--gris-oscuro);
  color: var(--blanco);
  padding: 48px 0;
  text-align: center;
}

.footer__brand {
  font-size: 0.95rem;
  margin-bottom: 8px;
  opacity: 0.9;
}

.footer__brand a {
  color: var(--mostaza);
  transition: color var(--transition);
}

.footer__brand a:hover {
  color: var(--blanco);
}

.footer__tagline {
  font-size: 0.82rem;
  opacity: 0.5;
  font-style: italic;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: 80vh;
    padding: 100px 0 72px;
  }

  .hero--page {
    min-height: auto;
    padding: 100px 0 60px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  /* Navigation */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--blanco);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 0;
    box-shadow: -4px 0 24px rgba(0,0,0,0.12);
    transition: right 0.35s ease;
  }

  .nav-links.is-open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.05rem;
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid var(--gris-claro);
  }

  .nav-cta {
    margin-top: 16px;
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .hamburger {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 999;
  }

  .mobile-overlay.is-open {
    display: block;
  }

  /* Cards */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    text-align: center;
    justify-content: center;
  }

  .article__nav {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 18px;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    min-height: 75vh;
  }

  .card {
    padding: 28px 24px;
  }

  h1 {
    font-size: 1.7rem;
  }

  h2 {
    font-size: 1.35rem;
  }
}