/* ==========================================================================
   KOLTIN 2026 - BRAND DESIGN SYSTEM & STYLESHEET
   Based on manual.pdf & Expansión Landing Page Structure
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CSS VARIABLES (Manual de Marca Koltin 2026)
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette (Proporciones de uso del manual) */
  --color-tinta-verde: #237A4A;
  /* 40% - Identidad / Crecimiento */
  --color-verde-opaco: #203D2D;
  /* 30% - Solidez / Fondos oscuros */
  --color-verde-oscuro: #0F2913;
  /* Texto / Profundidad */
  --color-verde-fluorescente: #A6EF34;
  /* 3% - Acento destacado */
  --color-amarillo-fluor: #ECF86E;
  /* 11% - Activación / Highlights / CTAs */
  --color-beige: #F7F6F0;
  /* 12% - Fondo principal interfaz */
  --color-gris: #E5E5E5;
  /* 5% - Neutro / Divisores */
  --color-white: #FFFFFF;

  --color-text-main: #0F2913;
  --color-text-muted: #4A5568;
  --color-text-light: #F7F6F0;

  /* Typography System (Fallback inteligente a Google Fonts) */
  --font-heading: 'Shows Gracious', 'Playfair Display', Georgia, serif;
  --font-subheading: 'Tausend Soft', 'Montserrat', -apple-system, sans-serif;
  --font-body: 'Apercu Pro', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Escala Tipográfica (Manual pág. 7) */
  --scale-h1: clamp(2.2rem, 5vw, 3.6rem);
  /* 2.86x */
  --scale-h2: clamp(1.4rem, 3vw, 2.1rem);
  /* 1.33x */
  --scale-body: 1.1rem;
  /* 1x */
  --scale-label: 0.95rem;
  /* 0.9x */

  /* UI Tokens */
  --radius-pill: 9999px;
  --radius-card: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 12px rgba(15, 41, 19, 0.05);
  --shadow-card: 0 12px 32px rgba(15, 41, 19, 0.08);
  --shadow-hover: 0 24px 48px rgba(15, 41, 19, 0.16);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1200px;
}

/* --------------------------------------------------------------------------
   2. BASE & RESET
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-main);
  background-color: var(--color-beige);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

header {
  background-color: #CF102D;
  width: 100%;
  padding: 1rem;
}

.logoQuien {
  height: 40px;
  margin: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & HIGHLIGHTS (Manual pág. 8 & 9)
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
.font-heading {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-verde-oscuro);
  text-align: left;
  /* Regla de alineación a la izquierda por accesibilidad */
}

h1 {
  font-size: var(--scale-h1);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--scale-h2);
}

.font-subheading,
h4,
h5 {
  font-family: var(--font-subheading);
  font-weight: 700;
  line-height: 1.3;
}

p,
body {
  font-family: var(--font-body);
  font-size: var(--scale-body);
  color: var(--color-text-muted);
  text-align: left;
}

/* Resaltado de Texto / Highlight (Manual pág. 9) */
mark,
.highlight {
  background-color: var(--color-amarillo-fluor);
  color: var(--color-tinta-verde);
  padding: 0.15em 0.1em;
  border-radius: 4px;
  font-style: normal;
  display: inline-block;
}

mark.green,
.highlight.green {
  background-color: var(--color-verde-fluorescente);
}

.verde{
  color: #237A4A;
}

/* Badge / Label (Manual pág. 7 & 10) */
.badge-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--scale-label);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-tinta-verde);
  margin-bottom: 0.5rem;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & CTAS (Cápsulas / Pills - Manual pág. 9)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-subheading);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

/* Positivo (Amarillo Flúor) */
.btn-primary {
  background-color: var(--color-amarillo-fluor);
  color: var(--color-verde-oscuro);
  border-color: var(--color-amarillo-fluor);
}

.btn-primary:hover {
  background-color: var(--color-verde-fluorescente);
  border-color: var(--color-verde-fluorescente);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(166, 239, 52, 0.4);
}

/* Negativo (Verde Opaco) */
.btn-dark {
  background-color: var(--color-verde-opaco);
  color: var(--color-text-light);
  border-color: var(--color-verde-opaco);
}

.btn-dark:hover {
  background-color: var(--color-tinta-verde);
  border-color: var(--color-tinta-verde);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(32, 61, 45, 0.3);
}

/* Outline (Delineado) */
.btn-outline {
  background-color: transparent;
  color: var(--color-tinta-verde);
  border-color: var(--color-tinta-verde);
}

.btn-outline:hover {
  background-color: var(--color-tinta-verde);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-verde-oscuro);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. HEADER & NAVIGATION (Replicando la barra superior de Expansión)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(247, 246, 240, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 229, 229, 0.8);
  transition: var(--transition);
}

.site-header.scrolled {
  background-color: var(--color-verde-opaco);
  border-bottom-color: transparent;
}

.site-header.scrolled .logo-text,
.site-header.scrolled .nav-link {
  color: var(--color-white);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-family: var(--font-subheading);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--color-tinta-verde);
}

.logo-tag {
  font-size: 0.75rem;
  font-family: var(--font-body);
  background-color: var(--color-amarillo-fluor);
  color: var(--color-verde-oscuro);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

/* Navigation Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-verde-oscuro);
}

.nav-link:hover {
  color: var(--color-tinta-verde);
}

/* Redes Sociales en el Header */
.social-share-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.social-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--color-gris);
  color: var(--color-verde-oscuro);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-btn:hover {
  background-color: var(--color-tinta-verde);
  color: var(--color-white);
  transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   6. HERO SECTION (.template-presentation)
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 4rem 1.5rem 4rem 1.5rem;
  background: linear-gradient(180deg, var(--color-beige) 0%, #EFECE1 100%);
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

.hero-badge-overlay {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background-color: rgba(32, 61, 45, 0.9);
  color: var(--color-white);
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-card);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  z-index: 2;
  pointer-events: none;
}

.hero-badge-overlay i {
  color: var(--color-amarillo-fluor);
  font-size: 1.4rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
}

.hero-content h1 {
  margin-bottom: 0.5rem;
}

.hero-content p {
  font-size: 1.2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   7. MAIN ARTICLE / EDITORIAL INTRO (.left-right-image)
   -------------------------------------------------------------------------- */
.editorial-section {
  padding: 5rem 1.5rem;
  background-color: var(--color-white);
}

.editorial-container {
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
}

.editorial-header {
  margin-bottom: 2.5rem;
}

.editorial-header h2 {
  font-size: calc(var(--scale-h1) * 0.85);
  margin-top: 0.4rem;
  margin-bottom: 1rem;
}

.editorial-body p {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Main Hero Video Card */
.video-hero-card {
  position: relative;
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background-color: var(--color-verde-opaco);
}

.video-hero-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  opacity: 0.85;
}

.video-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(15, 41, 19, 0.4);
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.video-play-overlay:hover {
  background: rgba(15, 41, 19, 0.55);
}

.play-icon-circle {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background-color: var(--color-amarillo-fluor);
  color: var(--color-verde-oscuro);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  padding-left: 4px;
  box-shadow: 0 0 30px rgba(236, 248, 110, 0.7);
  transition: var(--transition);
  z-index: 11;
}

.play-icon-circle i {
  color: var(--color-verde-oscuro);
  font-size: 1.8rem;
  line-height: 1;
}

.video-play-overlay:hover .play-icon-circle,
.showcase-video-box:hover .play-icon-circle,
.hero-image-wrapper:hover .play-icon-circle,
.video-hero-card:hover .play-icon-circle {
  transform: scale(1.15);
  background-color: var(--color-verde-fluorescente);
  box-shadow: 0 0 35px rgba(166, 239, 52, 0.9);
}

.play-caption {
  color: var(--color-white);
  font-family: var(--font-subheading);
  font-weight: 700;
  font-size: 1.1rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  z-index: 11;
}

/* --------------------------------------------------------------------------
   8. GRID DE 6 TARJETAS (.right-image -> 2 Columns)
   -------------------------------------------------------------------------- */
.cards-grid-section {
  padding: 5rem 1.5rem;
  background-color: var(--color-beige);
}

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

.section-intro-header {
  text-align: left;
  margin-bottom: 3.5rem;
}

.section-intro-header h2 {
  font-size: var(--scale-h1);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.cards-grid-single-row {
  grid-template-columns: repeat(3, 1fr);
}

.article-card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  border: 1px solid var(--color-gris);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.card-image-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .card-image-wrap img {
  transform: scale(1.05);
}

.card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body .badge-label {
  margin-bottom: 0.6rem;
}

.card-body h3 {
  font-family: var(--font-subheading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--color-verde-oscuro);
  line-height: 1.3;
}

.card-body p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-body .btn {
  align-self: flex-start;
}

/* --------------------------------------------------------------------------
   9. SHOWCASE DE VIDEO DIVIDIDO (.video / .video2 - 4 cols & 8 cols)
   -------------------------------------------------------------------------- */
.video-showcase-section {
  padding: 0;
}

.showcase-row {
  display: grid;
  grid-template-columns: 4fr 8fr;
  min-height: 400px;
}

.showcase-row.reverse {
  grid-template-columns: 8fr 4fr;
}

.showcase-text-box {
  background-color: var(--color-verde-opaco);
  color: var(--color-white);
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
}

.showcase-row.theme-tinta .showcase-text-box {
  background-color: var(--color-tinta-verde);
}

.showcase-text-box h3 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 2rem;
  line-height: 1.25;
}

.showcase-video-box {
  position: relative;
  overflow: hidden;
  background-color: var(--color-verde-oscuro);
  cursor: pointer;
  width: 100%;
  height: 100%;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-video-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.showcase-video-box:hover img {
  transform: scale(1.05);
  opacity: 0.95;
}

.showcase-video-box:hover .play-icon-circle {
  transform: scale(1.15);
  background-color: var(--color-verde-fluorescente);
  box-shadow: 0 0 35px rgba(166, 239, 52, 0.8);
}

/* --------------------------------------------------------------------------
   10. MODAL DE VIDEO LIGHTBOX
   -------------------------------------------------------------------------- */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 41, 19, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.video-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content-wrap {
  width: 90%;
  max-width: 900px;
  position: relative;
  background-color: #000;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-close-btn {
  position: absolute;
  top: -45px;
  right: 0;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
}

.modal-video-player {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
}

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-verde-oscuro);
  color: var(--color-text-light);
  padding: 3.5rem 1.5rem;
}

.footer-container-2col {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-icon-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(247, 246, 240, 0.08);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--transition);
  border: 1px solid rgba(247, 246, 240, 0.15);
}

.social-icon-btn:hover {
  background-color: var(--color-amarillo-fluor);
  color: var(--color-verde-oscuro);
  border-color: var(--color-amarillo-fluor);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(236, 248, 110, 0.35);
}

.footer-cta-wrapper {
  display: flex;
  align-items: center;
}

@media (max-width: 768px) {
  .footer-container-2col {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 1.8rem;
  }

  .footer-social-links {
    justify-content: center;
  }
}

.footer-brand p {
  color: rgba(247, 246, 240, 0.7);
  margin-top: 1rem;
  font-size: 0.95rem;
}

.footer-col h5 {
  color: var(--color-amarillo-fluor);
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: rgba(247, 246, 240, 0.8);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-amarillo-fluor);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(247, 246, 240, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(247, 246, 240, 0.6);
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE DESIGN (Mobile First & Breakpoints)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {

  .cards-grid,
  .cards-grid-single-row {
    gap: 1.5rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-image-wrapper img {
    height: 380px;
  }

  .showcase-row,
  .showcase-row.reverse {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
    /* Mobile menu can be toggled */
  }

  .cards-grid,
  .cards-grid-single-row {
    grid-template-columns: 1fr;
  }

  .showcase-text-box {
    padding: 3rem 1.5rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}