/* =========================================================
   MINEURI
   Hoja de estilos principal
========================================================= */


/* =========================================================
   1. VARIABLES
========================================================= */

:root {
  --color-primary: #4c5bff;
  --color-primary-dark: #3442d9;
  --color-primary-light: #e9edff;

  --color-turquoise: #1bcfc9;
  --color-turquoise-light: #ddfbf8;

  --color-coral: #ff6f61;
  --color-coral-dark: #e7594e;
  --color-coral-light: #fff0ee;

  --color-yellow: #f6ca48;
  --color-yellow-light: #fff7da;

  --color-ink: #172039;
  --color-text: #47516b;
  --color-muted: #778099;
  --color-border: #e2e6f1;
  --color-soft: #f7f8fc;
  --color-white: #ffffff;

  --color-dark-section: #18223c;
  --color-dark-section-soft: #222e4d;

  --font-display: "Merriweather", Georgia, serif;
  --font-body: "Sora", Arial, sans-serif;

  --container-width: 1180px;

  --radius-small: 12px;
  --radius-medium: 22px;
  --radius-large: 34px;
  --radius-pill: 999px;

  --shadow-small:
    0 10px 30px rgba(23, 32, 57, 0.07);

  --shadow-medium:
    0 22px 60px rgba(23, 32, 57, 0.11);

  --shadow-large:
    0 36px 90px rgba(23, 32, 57, 0.16);

  --transition:
    180ms ease;
}


/* =========================================================
   2. RESET
========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-text);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

button {
  border: 0;
}

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


/* =========================================================
   3. ACCESIBILIDAD
========================================================= */

.sr-only {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  white-space: nowrap;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 9999;
  padding: 12px 18px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(76, 91, 255, 0.35);
  outline-offset: 4px;
}


/* =========================================================
   4. UTILIDADES
========================================================= */

.container {
  width: min(
    calc(100% - 40px),
    var(--container-width)
  );
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 110px 0;
}

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

.section-dark {
  color: var(--color-white);
  background:
    radial-gradient(
      circle at 15% 20%,
      rgba(27, 207, 201, 0.13),
      transparent 28%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(76, 91, 255, 0.18),
      transparent 34%
    ),
    var(--color-dark-section);
}

.eyebrow,
.section-label {
  margin-bottom: 18px;
  color: var(--color-primary);
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--color-turquoise);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 58px;
}

.section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.introduction h2,
.science h2,
.cta-card h2 {
  margin-bottom: 20px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.section-heading > p:last-child {
  max-width: 610px;
  margin-bottom: 0;
  font-size: 1.04rem;
}

.section-heading-centered > p:last-child {
  margin-inline: auto;
}

.large-text {
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  line-height: 1.75;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-size: 0.94rem;
  font-weight: 700;
  transition:
    gap var(--transition),
    color var(--transition);
}

.text-link:hover {
  gap: 15px;
  color: var(--color-primary-dark);
}

.text-link-light {
  color: var(--color-white);
}

.text-link-light:hover {
  color: var(--color-turquoise);
}


/* =========================================================
   5. BOTONES
========================================================= */

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 25px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1;
  transition:
    transform var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow:
    0 12px 28px rgba(76, 91, 255, 0.28);
}

.button-primary:hover {
  background: var(--color-primary-dark);
  box-shadow:
    0 16px 32px rgba(76, 91, 255, 0.34);
}

.button-secondary {
  color: var(--color-ink);
  background: var(--color-white);
  border-color: var(--color-border);
  box-shadow: var(--shadow-small);
}

.button-secondary:hover {
  color: var(--color-primary);
  border-color: rgba(76, 91, 255, 0.35);
}

.button-coral {
  color: var(--color-white);
  background: var(--color-coral);
  box-shadow:
    0 12px 30px rgba(255, 111, 97, 0.28);
}

.button-coral:hover {
  background: var(--color-coral-dark);
}

.button-small {
  min-height: 44px;
  padding: 11px 20px;
  font-size: 0.87rem;
}

.button-full {
  width: 100%;
}


/* =========================================================
   6. CABECERA
========================================================= */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(226, 230, 241, 0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-container {
  display: grid;
  min-height: 82px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  width: 148px;
  height: auto;
}

.main-navigation {
  justify-self: center;
}

.navigation-list {
  display: flex;
  align-items: center;
  gap: 34px;
}

.navigation-list a {
  position: relative;
  color: var(--color-text);
  font-size: 0.91rem;
  font-weight: 600;
  transition: color var(--transition);
}

.navigation-list a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--color-primary);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

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

.navigation-list a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  justify-self: end;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--color-ink);
  border-radius: 2px;
  transition:
    transform var(--transition),
    opacity var(--transition);
}


/* =========================================================
   7. HERO
========================================================= */

.hero {
  position: relative;
  overflow: hidden;
  min-height: 820px;
  padding-top: 82px;
  background:
    linear-gradient(
      135deg,
      #ffffff 0%,
      #ffffff 54%,
      #f3f9ff 100%
    );
}

.hero-container {
  display: grid;
  min-height: 690px;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  align-items: center;
  gap: 50px;
}

.hero-content {
  position: relative;
  z-index: 4;
  padding-bottom: 70px;
}

.hero-content .eyebrow {
  max-width: 520px;
}

.hero h1 {
  max-width: 690px;
  margin-bottom: 28px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(3.45rem, 6.5vw, 6.55rem);
  font-weight: 700;
  line-height: 0.99;
  letter-spacing: -0.065em;
}

.hero h1 span {
  position: relative;
  color: var(--color-primary);
}

.hero h1 span::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 2px;
  height: 11px;
  background: var(--color-yellow);
  border-radius: var(--radius-pill);
  content: "";
  opacity: 0.78;
  transform: rotate(-1.5deg);
  z-index: -1;
}

.hero-description {
  max-width: 590px;
  margin-bottom: 34px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 31px;
}

.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: var(--color-muted);
  font-size: 0.79rem;
  font-weight: 600;
}

.hero-benefits li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.benefit-icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  background: var(--color-turquoise);
  border-radius: 50%;
  font-size: 0.72rem;
}

.benefit-separator {
  width: 5px;
  height: 5px;
  background: var(--color-primary);
  border-radius: 50%;
}

.hero-visual {
  position: relative;
  align-self: stretch;
  min-height: 680px;
}

.hero-aqua-shape {
  position: absolute;
  top: 50px;
  right: -120px;
  width: 620px;
  height: 590px;
  background:
    linear-gradient(
      145deg,
      rgba(27, 207, 201, 0.2),
      rgba(76, 91, 255, 0.06)
    );
  border-radius:
    44% 56% 36% 64%
    / 53% 38% 62% 47%;
  transform: rotate(-8deg);
}

.hero-person {
  position: absolute;
  right: -55px;
  bottom: 0;
  z-index: 3;
  width: min(690px, 112%);
  max-height: 710px;
  object-fit: contain;
  object-position: bottom right;
}

.neural-network {
  position: absolute;
  top: 85px;
  right: 5px;
  z-index: 2;
  width: 620px;
  max-width: 100%;
  height: 560px;
}

.neural-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.neural-lines line {
  stroke: rgba(76, 91, 255, 0.25);
  stroke-width: 2;
  stroke-dasharray: 4 7;
}

.network-node {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 5px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  box-shadow:
    0 12px 24px rgba(23, 32, 57, 0.14);
}

.network-node-blue {
  background: var(--color-primary);
}

.network-node-turquoise {
  background: var(--color-turquoise);
}

.network-node-yellow {
  background: var(--color-yellow);
}

.network-node-coral {
  background: var(--color-coral);
}

.node-one {
  top: 19%;
  left: 38%;
}

.node-two {
  top: 35%;
  left: 15%;
}

.node-three {
  top: 28%;
  right: 17%;
}

.node-four {
  bottom: 20%;
  left: 28%;
}

.node-five {
  right: 10%;
  bottom: 28%;
}

.hero-background-decoration {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-background-decoration-left {
  top: 150px;
  left: -200px;
  width: 420px;
  height: 420px;
  background: rgba(76, 91, 255, 0.035);
}

.hero-background-decoration-right {
  top: 120px;
  right: -170px;
  width: 520px;
  height: 520px;
  background: rgba(27, 207, 201, 0.045);
}

.hero-wave {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 5;
  height: 190px;
}

.hero-wave svg {
  width: 100%;
  height: 100%;
}


/* =========================================================
   8. INTRODUCCIÓN
========================================================= */

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

.introduction-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
  gap: 90px;
}

.introduction .section-heading {
  margin-bottom: 0;
}

.introduction h2 {
  max-width: 490px;
}

.introduction-copy {
  max-width: 660px;
}

.introduction-copy p:last-child {
  margin-bottom: 0;
}


/* =========================================================
   9. CÓMO FUNCIONA
========================================================= */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  padding: 38px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-small);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.step-card:hover {
  border-color: rgba(76, 91, 255, 0.25);
  box-shadow: var(--shadow-medium);
  transform: translateY(-7px);
}

.step-number {
  position: absolute;
  top: 26px;
  right: 30px;
  color: rgba(23, 32, 57, 0.09);
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1;
}

.step-icon {
  display: inline-flex;
  width: 62px;
  height: 62px;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  border-radius: 20px;
  font-size: 1.55rem;
}

.step-icon-blue {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.step-icon-turquoise {
  color: #159e99;
  background: var(--color-turquoise-light);
}

.step-icon-coral {
  color: var(--color-coral);
  background: var(--color-coral-light);
}

.step-card h3 {
  margin-bottom: 14px;
  color: var(--color-ink);
  font-size: 1.2rem;
  line-height: 1.35;
}

.step-card p {
  margin-bottom: 0;
}


/* =========================================================
   10. ENTRENAMIENTO
========================================================= */

.training-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.training-card {
  display: grid;
  min-height: 330px;
  grid-template-columns: 120px 1fr;
  gap: 25px;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-small);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.training-card:hover {
  border-color: rgba(76, 91, 255, 0.25);
  box-shadow: var(--shadow-medium);
  transform: translateY(-6px);
}

.training-card-memory {
  background:
    linear-gradient(
      145deg,
      var(--color-primary-light),
      var(--color-white) 65%
    );
}

.training-card-attention {
  background:
    linear-gradient(
      145deg,
      var(--color-turquoise-light),
      var(--color-white) 65%
    );
}

.training-card-language {
  background:
    linear-gradient(
      145deg,
      var(--color-yellow-light),
      var(--color-white) 65%
    );
}

.training-card-executive {
  background:
    linear-gradient(
      145deg,
      var(--color-coral-light),
      var(--color-white) 65%
    );
}

.training-icon {
  display: flex;
  width: 108px;
  height: 108px;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 28px;
  box-shadow:
    0 12px 32px rgba(23, 32, 57, 0.08);
  font-size: 2.35rem;
}

.training-card-attention .training-icon {
  color: #159e99;
}

.training-card-language .training-icon {
  color: #bd8e0f;
}

.training-card-executive .training-icon {
  color: var(--color-coral);
}

.training-card-body {
  position: relative;
  padding-right: 42px;
}

.training-label {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.training-card-attention .training-label {
  color: #159e99;
}

.training-card-language .training-label {
  color: #a67d10;
}

.training-card-executive .training-label {
  color: var(--color-coral);
}

.training-card h3 {
  margin-bottom: 13px;
  color: var(--color-ink);
  font-size: 1.28rem;
  line-height: 1.35;
}

.training-card p {
  font-size: 0.93rem;
}

.training-level {
  margin-top: 26px;
}

.training-level-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 9px;
  color: var(--color-muted);
  font-size: 0.74rem;
  font-weight: 600;
}

.progress-track {
  overflow: hidden;
  height: 7px;
  background: rgba(23, 32, 57, 0.1);
  border-radius: var(--radius-pill);
}

.progress-track span {
  display: block;
  height: 100%;
  background: var(--color-primary);
  border-radius: inherit;
}

.training-card-attention .progress-track span {
  background: var(--color-turquoise);
}

.training-card-language .progress-track span {
  background: var(--color-yellow);
}

.training-card-executive .progress-track span {
  background: var(--color-coral);
}

.training-link {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  box-shadow: var(--shadow-small);
  transition:
    transform var(--transition),
    background var(--transition),
    color var(--transition);
}

.training-link:hover {
  color: var(--color-white);
  background: var(--color-primary);
  transform: translateX(3px);
}


/* =========================================================
   11. CIENCIA
========================================================= */

.science-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 90px;
}

.science h2 {
  color: var(--color-white);
}

.science-content {
  max-width: 640px;
}

.science-content .large-text {
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
}

.science-list {
  display: grid;
  gap: 15px;
  margin-bottom: 34px;
}

.science-list li {
  position: relative;
  padding-left: 32px;
  color: rgba(255, 255, 255, 0.78);
}

.science-list li::before {
  position: absolute;
  top: 8px;
  left: 0;
  display: inline-flex;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  color: var(--color-dark-section);
  background: var(--color-turquoise);
  border-radius: 50%;
  content: "✓";
  font-size: 0.65rem;
  font-weight: 800;
}

.science-visual {
  position: relative;
  width: min(460px, 100%);
  aspect-ratio: 1;
  margin-inline: auto;
}

.science-ring {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.science-ring-one {
  inset: 3%;
}

.science-ring-two {
  inset: 18%;
}

.science-ring-three {
  inset: 34%;
}

.science-ring::after {
  position: absolute;
  inset: 15%;
  border: 1px dashed rgba(27, 207, 201, 0.23);
  border-radius: inherit;
  content: "";
}

.science-node {
  position: absolute;
  width: 26px;
  height: 26px;
  background: var(--color-primary);
  border: 6px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow:
    0 0 40px rgba(76, 91, 255, 0.55);
}

.science-node-center {
  top: 50%;
  left: 50%;
  width: 74px;
  height: 74px;
  background: var(--color-turquoise);
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 60px rgba(27, 207, 201, 0.4);
}

.science-node-one {
  top: 5%;
  left: 48%;
}

.science-node-two {
  right: 8%;
  bottom: 18%;
  background: var(--color-coral);
}

.science-node-three {
  bottom: 13%;
  left: 10%;
  background: var(--color-yellow);
}


/* =========================================================
   12. PLANES
========================================================= */

.plans-grid {
  display: grid;
  max-width: 880px;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-inline: auto;
}

.plan-card {
  position: relative;
  display: flex;
  min-height: 550px;
  flex-direction: column;
  padding: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-small);
}

.plan-card-featured {
  border-color: rgba(76, 91, 255, 0.34);
  box-shadow:
    0 26px 70px rgba(76, 91, 255, 0.15);
  transform: translateY(-10px);
}

.recommended-label {
  position: absolute;
  top: 22px;
  right: 22px;
  padding: 7px 12px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-header {
  margin-bottom: 30px;
}

.plan-kicker {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.plan-card h3 {
  margin-bottom: 14px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.2;
}

.plan-price {
  margin-bottom: 18px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.plan-price-text {
  font-size: 2.15rem;
}

.plan-header > p:last-child {
  margin-bottom: 0;
}

.plan-features {
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
}

.plan-features li {
  position: relative;
  padding-left: 29px;
  font-size: 0.92rem;
}

.plan-features li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-turquoise);
  content: "✓";
  font-weight: 800;
}

.plan-card .button {
  margin-top: auto;
}


/* =========================================================
   13. RECURSOS
========================================================= */

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-small);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.resource-card:hover {
  border-color: rgba(76, 91, 255, 0.22);
  box-shadow: var(--shadow-medium);
  transform: translateY(-7px);
}

.resource-visual {
  display: flex;
  min-height: 190px;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.resource-visual-blue {
  color: var(--color-primary);
  background:
    radial-gradient(
      circle,
      rgba(255, 255, 255, 0.92),
      transparent 45%
    ),
    var(--color-primary-light);
}

.resource-visual-turquoise {
  color: #159e99;
  background:
    radial-gradient(
      circle,
      rgba(255, 255, 255, 0.92),
      transparent 45%
    ),
    var(--color-turquoise-light);
}

.resource-visual-yellow {
  color: #a67d10;
  background:
    radial-gradient(
      circle,
      rgba(255, 255, 255, 0.92),
      transparent 45%
    ),
    var(--color-yellow-light);
}

.resource-body {
  padding: 30px;
}

.resource-category {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.resource-card h3 {
  min-height: 62px;
  margin-bottom: 14px;
  color: var(--color-ink);
  font-size: 1.18rem;
  line-height: 1.45;
}

.resource-card p:not(.resource-category) {
  font-size: 0.9rem;
}


/* =========================================================
   14. CTA
========================================================= */

.cta-card {
  position: relative;
  overflow: hidden;
  padding: 70px;
  color: var(--color-white);
  background:
    linear-gradient(
      135deg,
      var(--color-primary),
      #6873ff
    );
  border-radius: var(--radius-large);
  box-shadow:
    0 34px 80px rgba(76, 91, 255, 0.28);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.cta-card h2 {
  max-width: 660px;
  color: var(--color-white);
}

.cta-content > p:last-child {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.82);
}

.cta-form {
  position: relative;
  z-index: 2;
  display: grid;
  max-width: 760px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-top: 34px;
}

.cta-form input {
  width: 100%;
  min-height: 56px;
  padding: 0 22px;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-pill);
  outline: none;
  box-shadow:
    0 12px 28px rgba(23, 32, 57, 0.12);
}

.cta-form input::placeholder {
  color: #9299aa;
}

.cta-form input:focus {
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.22),
    0 12px 28px rgba(23, 32, 57, 0.13);
}

.form-note {
  position: relative;
  z-index: 2;
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.76rem;
}

.cta-decoration {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.cta-decoration-one {
  top: -190px;
  right: -80px;
  width: 450px;
  height: 450px;
}

.cta-decoration-two {
  right: 170px;
  bottom: -220px;
  width: 360px;
  height: 360px;
}


/* =========================================================
   15. FOOTER
========================================================= */

.site-footer {
  padding: 80px 0 30px;
  color: rgba(255, 255, 255, 0.68);
  background: #11192d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.65fr);
  gap: 55px;
  padding-bottom: 55px;
}

.footer-logo {
  width: 158px;
  filter:
    brightness(0)
    invert(1);
}

.footer-brand {
  max-width: 350px;
}

.footer-brand p {
  margin-bottom: 10px;
  font-size: 0.87rem;
}

.footer-slogan {
  margin-top: 20px;
  color: var(--color-white);
  font-weight: 700;
}

.footer-title {
  margin-bottom: 18px;
  color: var(--color-white);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.footer-column ul {
  display: grid;
  gap: 11px;
}

.footer-column a {
  font-size: 0.86rem;
  transition: color var(--transition);
}

.footer-column a:hover {
  color: var(--color-turquoise);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 27px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.73rem;
}

.footer-disclaimer {
  max-width: 490px;
  text-align: right;
}


/* =========================================================
   16. RESPONSIVE
========================================================= */

@media (max-width: 1080px) {

  .header-container {
    gap: 25px;
  }

  .navigation-list {
    gap: 22px;
  }

  .hero-container {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.92fr);
    gap: 20px;
  }

  .hero h1 {
    font-size: clamp(3.3rem, 6.2vw, 5.3rem);
  }

  .hero-person {
    right: -90px;
    width: 660px;
  }

  .training-card {
    grid-template-columns: 95px 1fr;
  }

  .training-icon {
    width: 88px;
    height: 88px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(3, 0.7fr);
    gap: 35px;
  }
}


@media (max-width: 900px) {

  .site-header {
    background: rgba(255, 255, 255, 0.96);
  }

  .header-container {
    position: relative;
    grid-template-columns: auto 1fr auto;
  }

  .brand-logo {
    width: 132px;
  }

  .menu-toggle {
    display: block;
    justify-self: end;
  }

  .header-actions {
    display: none;
  }

  .main-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    padding: 24px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-medium);
  }

  .main-navigation.is-open {
    display: block;
  }

  .navigation-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .navigation-list a {
    display: block;
    padding: 14px 4px;
  }

  .navigation-list a::after {
    display: none;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
  }

  .hero-container {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

  .hero-content {
    padding-bottom: 0;
    text-align: center;
  }

  .hero-content .eyebrow,
  .hero-description {
    margin-inline: auto;
  }

  .hero-actions,
  .hero-benefits {
    justify-content: center;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-aqua-shape {
    right: 50%;
    width: 560px;
    height: 500px;
    transform: translateX(50%) rotate(-8deg);
  }

  .hero-person {
    right: 50%;
    width: 580px;
    max-height: 560px;
    transform: translateX(50%);
  }

  .neural-network {
    right: 50%;
    width: 540px;
    height: 500px;
    transform: translateX(50%);
  }

  .hero-wave {
    height: 145px;
  }

  .introduction-grid,
  .science-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .steps-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }

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

  .science-visual {
    width: 390px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


@media (max-width: 680px) {

  .container {
    width: min(
      calc(100% - 28px),
      var(--container-width)
    );
  }

  .section {
    padding: 78px 0;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .header-container {
    min-height: 72px;
  }

  .hero {
    padding-top: 72px;
  }

  .hero-container {
    padding-top: 55px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .hero-description {
    font-size: 0.98rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-benefits {
    gap: 12px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .hero-person {
    width: 450px;
    max-width: none;
    max-height: 450px;
  }

  .hero-aqua-shape {
    width: 420px;
    height: 390px;
  }

  .neural-network {
    width: 430px;
    height: 390px;
  }

  .hero-wave {
    height: 105px;
  }

  .introduction-grid {
    gap: 30px;
  }

  .step-card {
    min-height: auto;
    padding: 30px;
  }

  .training-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .training-icon {
    width: 76px;
    height: 76px;
    border-radius: 22px;
    font-size: 1.75rem;
  }

  .training-card-body {
    padding-right: 0;
  }

  .training-link {
    top: -100px;
  }

  .science-grid {
    gap: 30px;
  }

  .science-visual {
    width: min(340px, 90vw);
  }

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

  .plan-card-featured {
    transform: none;
  }

  .plan-card {
    min-height: auto;
    padding: 30px;
  }

  .resources-grid {
    gap: 18px;
  }

  .cta-card {
    padding: 42px 24px;
    border-radius: 25px;
  }

  .cta-form {
    grid-template-columns: 1fr;
  }

  .cta-form .button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .footer-disclaimer {
    text-align: left;
  }
}


@media (max-width: 430px) {

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

  .benefit-separator {
    display: none;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-person {
    width: 390px;
    max-height: 390px;
  }

  .hero-aqua-shape,
  .neural-network {
    width: 370px;
    height: 340px;
  }

  .section-heading h2,
  .introduction h2,
  .science h2,
  .cta-card h2 {
    font-size: 2rem;
  }

  .plan-price {
    font-size: 2.5rem;
  }
}


/* =========================================================
   17. REDUCCIÓN DE MOVIMIENTO
========================================================= */

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}