/* Design tokens aligned with MailerLite reference (subscribepage.io/arcoiris2026) */
:root {
  --color-primary: #1d665b;
  --color-accent: #de1f26;
  --color-body: #494949;
  --color-white: #ffffff;
  --color-muted: #e4e4e7;
  --color-charcoal: #494949;
  --font-sans: "Quicksand", system-ui, sans-serif;
  --h1-size: 4rem;
  --h1-size-sm: 3rem;
  --h2-size: 3rem;
  --h2-size-sm: 2.25rem;
  --h3-size: 2.25rem;
  --h3-size-sm: 1.6875rem;
  --h4-size: 1.5rem;
  --p1-size: 1.125rem;
  --p2-size: 1.25rem;
  --p3-size: 1rem;
  --container-max: 72rem;
  --radius-pill: 40px;
  --radius-input: 0.375rem;
}

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

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

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

#admision {
  scroll-margin-top: 1rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--p1-size);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  margin: 0 0 0.75rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05rem;
  color: var(--color-body);
}

p {
  margin: 0 0 0.5rem;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

.section {
  padding-block: 0;
}

.section--logo {
  padding-block: 0;
}

.section--logo .container {
  display: flex;
  justify-content: center;
}

.hero-logo {
  width: 100%;
  max-width: 897px;
  margin-inline: auto;
}

.bg-texture {
  background-image: url("../assets/images/bg-texture.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section--hero {
  padding-block: 5rem;
}

.container--hero {
  max-width: var(--container-max);
}

.kicker {
  margin: 0 0 1rem;
  font-size: var(--p1-size);
  color: var(--color-accent);
}

.h1 {
  font-size: var(--h1-size);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05rem;
}

@media (max-width: 767px) {
  .h1 {
    font-size: var(--h1-size-sm);
  }
}

.h2 {
  font-size: var(--h2-size);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05rem;
}

@media (max-width: 767px) {
  .h2 {
    font-size: var(--h2-size-sm);
  }
}

.h3 {
  font-size: var(--h3-size);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05rem;
}

@media (max-width: 767px) {
  .h3 {
    font-size: var(--h3-size-sm);
  }
}

.h4 {
  font-size: var(--h4-size);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.05rem;
}

.h2--teal,
.h3--teal {
  color: rgb(29, 102, 91);
}

.h2--white,
.h4--white {
  color: var(--color-white);
}

.h2--accent {
  color: var(--color-accent);
}

.h2--muted {
  color: var(--color-muted);
}

.h4--body {
  color: var(--color-body);
  line-height: 1.35;
}

.p1 {
  font-size: var(--p1-size);
  line-height: 1.5;
  color: var(--color-body);
}

.p1--white {
  color: var(--color-white);
}

.p2 {
  font-size: var(--p2-size);
  line-height: 1.5;
}

.p3 {
  font-size: var(--p3-size);
  line-height: 1.5;
}

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

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stack--lg {
  gap: 3rem;
}

.narrow {
  max-width: 52rem;
  margin-inline: auto;
}

.section--cta {
  padding-block: 5rem 5.5rem;
}

/* Admisión: ancho acorde al embed; iframe alto para evitar barra interna de Google */
.admision {
  max-width: 58rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.admision__intro {
  text-align: center;
}

.admision__intro .h3 {
  margin-bottom: 0.5rem;
}

.admision__intro .p1 {
  margin-bottom: 0;
  max-width: 48rem;
  margin-inline: auto;
}

.section--welcome {
  padding-block: 5.5rem 4.5rem;
}

.section--niveles {
  padding-block: 4rem 5.5rem;
}

.section--quote {
  padding-block: 8rem 4.5rem;
}

.section--pasos {
  padding-block: 6rem;
}

.section--sedes-visual {
  padding-block: 4.5rem 4rem;
}

.section--sedes {
  padding-block: 4.5rem 4rem;
}

.section--footer {
  background: var(--color-muted);
  padding-block: 3rem 0.5rem;
}

.grid-2 {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
  }
}

.grid-2--center {
  align-items: center;
}

.grid-2--tight {
  gap: 3rem;
}

@media (min-width: 1024px) {
  .grid-2--tight {
    column-gap: 3rem;
    row-gap: 3rem;
  }
}

.grid-4 {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem 2rem;
  }
}

.grid-4--pasos {
  align-items: start;
  column-gap: 3rem;
  row-gap: 2rem;
}

@media (min-width: 1024px) {
  .grid-4--pasos {
    grid-template-columns: 1fr repeat(3, minmax(0, 1fr));
  }
}

.figure-welcome {
  margin: 0;
  display: flex;
  justify-content: center;
}

.figure-welcome img {
  border-radius: 12px;
  max-width: 445px;
  width: 100%;
}

.bg-teal {
  background-color: var(--color-primary);
  background-repeat: no-repeat;
}

.bg-charcoal {
  background-color: var(--color-charcoal);
}

.card-nivel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.card-nivel img {
  max-width: 248px;
  margin-inline: auto;
}

.paso img {
  width: 72px;
  height: auto;
}

.paso {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sede .p1 {
  margin-bottom: 0.35rem;
}

.link-inverse {
  color: var(--color-white);
  text-decoration: underline;
}

.link-inverse:hover {
  color: var(--color-muted);
}

.link-body {
  color: var(--color-body);
  text-decoration: underline;
}

.link-body:hover {
  color: #808080;
}

.admision-form,
.form-success {
  width: 100%;
  min-width: 0;
}

.form-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1.25rem;
  }

  .form-field--full,
  .form-field--niveles {
    grid-column: 1 / -1;
  }
}

.form-field {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: var(--p1-size);
  font-weight: 600;
  color: var(--color-body);
}

.form-required {
  color: var(--color-accent);
}

.form-input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d4d4d8;
  border-radius: var(--radius-input);
  background: var(--color-white);
  font: inherit;
  color: var(--color-body);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input::placeholder {
  color: #a1a1aa;
}

.form-input:hover {
  border-color: #a1a1aa;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 102, 91, 0.15);
}

.form-textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-options {
  display: grid;
  gap: 0.65rem;
}

@media (min-width: 768px) {
  .form-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1rem;
  border: 1px solid #e4e4e7;
  border-radius: var(--radius-input);
  background: var(--color-white);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.form-option:hover {
  border-color: #d4d4d8;
  background: #fafafa;
}

.form-option input {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-option:has(input:checked) {
  border-color: var(--color-primary);
  background: rgba(29, 102, 91, 0.06);
}

.form-option span {
  font-size: var(--p1-size);
  line-height: 1.35;
}

.form-field--invalid .form-input,
.form-field--invalid .form-option {
  border-color: var(--color-accent);
}

.form-field__hint {
  margin: 0 0 0.75rem;
  font-size: var(--p3-size);
  color: #71717a;
}

.form-field__error {
  margin: 0.4rem 0 0;
  font-size: var(--p3-size);
  color: var(--color-accent);
}

.form-message {
  margin: 1.25rem 0 0;
  font-size: var(--p3-size);
}

.form-message--error {
  color: var(--color-accent);
}

.form-actions {
  margin-top: 1.75rem;
  display: flex;
  justify-content: center;
}

.form-submit {
  appearance: none;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 0.9rem 2.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font: inherit;
  font-size: var(--p1-size);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, opacity 0.15s ease;
}

.form-submit:hover:not(:disabled) {
  background: #18554d;
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.form-submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(29, 102, 91, 0.25);
}

.form-success {
  padding: 2rem;
  border: 1px solid rgba(29, 102, 91, 0.18);
  border-radius: 0.75rem;
  background: rgba(29, 102, 91, 0.05);
  text-align: center;
}

.form-success .h4 {
  margin-bottom: 0.75rem;
}

.form-success .p1 + .p1 {
  margin-top: 0.75rem;
}

.prose p {
  margin-bottom: 0.75rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 14px;
}

@media (min-width: 1024px) {
  .footer-social {
    justify-content: flex-end;
  }
}

.footer-social a {
  display: inline-flex;
  line-height: 0;
}

.footer-social img {
  transition: opacity 0.15s ease;
}

.footer-social a:hover img {
  opacity: 0.85;
}

.scroll-cta {
  position: fixed;
  z-index: 100;
  bottom: 1.25rem;
  right: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--p1-size);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(1rem);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    background-color 0.15s ease;
}

.scroll-cta--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-cta:hover {
  background: #c41b21;
  color: var(--color-white);
}

.scroll-cta:focus-visible {
  outline: none;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.18),
    0 0 0 3px rgba(222, 31, 38, 0.35);
}

@media (max-width: 767px) {
  .scroll-cta {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cta {
    transition: none;
    transform: none;
  }

  .scroll-cta--visible {
    transform: none;
  }
}

.section--gracias {
  padding-block: 3rem 4rem;
}

.gracias {
  max-width: 40rem;
  margin-inline: auto;
}

.gracias__intro {
  text-align: center;
  margin-bottom: 2rem;
}

.gracias__intro .h3 {
  margin-bottom: 1rem;
}

.gracias__intro .p1 + .p1 {
  margin-top: 0.75rem;
}

.gracias-summary {
  padding: 1.75rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(29, 102, 91, 0.18);
  border-radius: 0.75rem;
  background: rgba(29, 102, 91, 0.05);
}

.gracias-summary .h4 {
  margin-bottom: 1.25rem;
}

.gracias-summary__list {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.gracias-summary__term {
  margin: 0;
  font-size: var(--p3-size);
  font-weight: 600;
  color: var(--color-primary);
}

.gracias-summary__value {
  margin: 0.25rem 0 0;
  font-size: var(--p1-size);
  line-height: 1.4;
  white-space: pre-wrap;
}

.gracias-empty {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #71717a;
}

.gracias-actions {
  display: flex;
  justify-content: center;
}

.gracias-back {
  display: inline-flex;
  text-decoration: none;
}