@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:wght@500;600;700&display=swap");

:root {
  --wine: #930526;
  --wine-dark: #76031e;
  --blue: #123879;
  --text: #232326;
  --muted: #5d5d66;
  --light: #f7f7f8;
  --border: #e5e0e2;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(40, 35, 38, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: #ffffff;
  line-height: 1.5;
}

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

img {
  width: 100%;
  display: block;
}

/* =========================
   HEADER
========================= */

.site-header {
  width: 100%;
  min-height: 92px;
  padding: 18px 60px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 28px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-family: "Playfair Display", serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
}

.logo-main span {
  color: var(--wine);
}

.logo-sub {
  margin-top: 5px;
  font-size: 13px;
  color: #333;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
}

.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #222;
  padding: 10px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--wine);
  transform: translateX(-50%);
  transition: width 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 38px;
}

.header-btn {
  padding: 17px 32px;
  border: 1px solid var(--wine);
  color: var(--wine);
  border-radius: 5px;
  font-size: 15px;
  font-weight: 600;
  transition: 0.25s ease;
}

.header-btn:hover {
  background: var(--wine);
  color: #ffffff;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
  display: block;
  margin: 6px auto;
  transition: 0.25s ease;
}

/* =========================
   LECTURA ESTRATÉGICA
========================= */

.reading-page {
  width: 100%;
  padding: 26px 54px 34px;
  background: #ffffff;
  overflow: hidden;
}

.reading-hero {
  max-width: 1640px;
  margin: 0 auto 26px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 72px;
  align-items: center;
}

.section-kicker {
  color: var(--wine);
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  margin-bottom: 26px;
}

.reading-copy h1 {
  max-width: 700px;
  font-family: "Playfair Display", serif;
  font-size: clamp(48px, 4.25vw, 68px);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.reading-copy h1 span {
  color: var(--wine);
}

.reading-intro {
  max-width: 705px;
  font-size: 18px;
  line-height: 1.8;
  color: #3d3d45;
}

.reading-image {
  width: 100%;
  height: 380px;
  border-radius: 8px;
  overflow: hidden;
}

.reading-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* =========================
   CARDS
========================= */

.reading-cards {
  max-width: 1640px;
  margin: 0 auto 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.reading-card {
  min-height: 160px;
  padding: 24px 34px;
  border: 1px solid #dedee4;
  border-radius: 7px;
  background: #ffffff;
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 24px;
  align-items: flex-start;
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  color: var(--wine);
}

.card-icon svg {
  width: 52px;
  height: 52px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-content h2 {
  font-family: "Playfair Display", serif;
  font-size: 27px;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 16px;
}

.card-content p {
  max-width: 380px;
  font-size: 15px;
  line-height: 1.65;
  color: #3f3f47;
}

/* =========================
   ORGANIZACIÓN
========================= */

.organization-box {
  max-width: 1640px;
  margin: 0 auto 20px;
  padding: 22px 36px;
  border: 1px solid #dedee4;
  border-radius: 7px;
  background: linear-gradient(90deg, #ffffff 0%, #fbfbfc 55%, #ffffff 100%);
}

.organization-box h3 {
  font-family: "Playfair Display", serif;
  font-size: 27px;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 22px;
}

.organization-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.organization-item {
  position: relative;
  min-height: 28px;
  padding: 0 32px 0 26px;
  font-size: 15px;
  color: #3f3f47;
  display: flex;
  align-items: center;
}

.organization-item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--wine);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 11px;
}

.organization-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 2px;
  width: 1px;
  height: 24px;
  background: #d9d9df;
}

/* =========================
   DECIDELAB STRIP
========================= */

.decidelab-strip {
  max-width: 1640px;
  min-height: 86px;
  margin: 0 auto;
  padding: 18px 42px;
  border: 1px solid #d7e0f0;
  border-radius: 7px;
  background: linear-gradient(90deg, #f7fbff 0%, #ffffff 48%, #f7fbff 100%);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
}

.strip-left {
  display: flex;
  align-items: center;
  gap: 30px;
}

.strip-symbol {
  width: 48px;
  height: 48px;
  display: grid;
  grid-template-columns: repeat(3, 7px);
  grid-template-rows: repeat(3, 7px);
  gap: 9px;
  align-content: center;
  justify-content: center;
  flex: 0 0 auto;
}

.strip-symbol span {
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
}

.strip-copy h4 {
  font-family: "Playfair Display", serif;
  font-size: 25px;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 4px;
}

.strip-copy h4 span {
  color: var(--blue);
}

.strip-copy p {
  font-size: 14px;
  color: #3f3f47;
}

.strip-btn {
  width: 200px;
  height: 44px;
  border: 1px solid var(--blue);
  border-radius: 5px;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  transition: 0.25s ease;
}

.strip-btn:hover {
  background: var(--blue);
  color: #ffffff;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1400px) {
  .reading-page {
    padding-left: 44px;
    padding-right: 44px;
  }

  .reading-hero {
    gap: 48px;
  }

  .reading-copy h1 {
    font-size: clamp(46px, 4.2vw, 62px);
  }

  .reading-image {
    height: 350px;
  }

  .reading-cards {
    gap: 28px;
  }

  .reading-card {
    padding: 24px 26px;
  }
}

@media (max-width: 1200px) {
  .site-header {
    padding: 18px 28px;
    grid-template-columns: 190px 1fr auto;
  }

  .main-nav {
    gap: 24px;
  }

  .reading-hero {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .reading-image {
    height: 360px;
  }

  .reading-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .reading-card {
    min-height: auto;
  }

  .card-content p {
    max-width: 100%;
  }

  .organization-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 0;
  }

  .organization-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    min-height: 78px;
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: block;
  }

  .header-btn {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 78px;
    left: 0;
    width: 100%;
    padding: 22px;
    background: #ffffff;
    border-bottom: 1px solid #eeeeee;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    gap: 10px;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 14px;
  }

  .reading-page {
    padding: 34px 28px;
  }

  .section-kicker {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .reading-copy h1 {
    font-size: 48px;
    letter-spacing: -1.4px;
  }

  .reading-intro {
    font-size: 17px;
    line-height: 1.7;
  }

  .reading-image {
    height: 280px;
  }

  .reading-card {
    grid-template-columns: 64px 1fr;
    gap: 18px;
  }

  .card-icon {
    width: 48px;
    height: 48px;
  }

  .card-icon svg {
    width: 46px;
    height: 46px;
  }

  .organization-items {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .organization-item::after {
    display: none;
  }

  .decidelab-strip {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 26px 24px;
  }

  .strip-left {
    flex-direction: column;
    gap: 18px;
  }

  .strip-btn {
    justify-self: center;
  }
}

@media (max-width: 520px) {
  .logo-main {
    font-size: 27px;
  }

  .reading-page {
    padding-left: 20px;
    padding-right: 20px;
  }

  .reading-copy h1 {
    font-size: 39px;
  }

  .reading-image {
    height: 220px;
  }

  .reading-card {
    grid-template-columns: 1fr;
  }

  .card-icon {
    height: auto;
    justify-content: flex-start;
  }

  .organization-box {
    padding: 22px 24px;
  }

  .strip-copy h4 {
    font-size: 23px;
  }

  .strip-btn {
    width: 100%;
  }
}