/* =========================================================
   GENERIS WEBINAR LANDING — Base CSS (Mobile-first)
   Objetivo:
   - Un solo sistema de botones (btn + modifiers)
   - Un solo sistema de cards y formularios
   - Tokens alineados con los del diseño en Figma
   - Layout mobile-first + desktop con media query
========================================================= */

/* =========================================================
    ESTILOS GENERALES
========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  border-radius: var(--radius-sm);
}

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

/* Material Symbols */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
}

/* =========================================================
    TOKENS
========================================================= */
:root {
  /* Paleta derivada de color-primary(#39A935): acciones y botones */
    --color-black: #151A15;
    --color-primary-950: #0A290B;
    --color-primary-900: #1C4B1C;
    --color-primary-800: #225B20;
    --color-primary-700: #257223; /* Color btn-hover*/
    --color-primary-600: #2B9128;
    --color-primary-500: #39A935; /* Brand color */
    --color-primary-400: #61CB5D;
    --color-primary-300: #97E194;
    --color-primary-200: #C6EFC3;
    --color-primary-100: #E2F8E0;
    --color-primary-50: #F3FBF2;

    /* Color de apoyo */
    --color-support: #778F9B; 

    /* Paleta derivada de color-contrast (#111D4A): títulos y jerarquía */
    --color-contrast-950: #111D4A; /* Color principal de los textos */
    --color-contrast-900: #19358F;
    --color-contrast-800: #1739B6;
    --color-contrast-700: #1446E1;
    --color-contrast-600: #1B5BF5;
    --color-contrast-500: #327CFF; /* Color para los enlaces */
    --color-contrast-400: #58A1FF;
    --color-contrast-300: #8EC3FF;
    --color-contrast-200: #BCDAFF;
    --color-contrast-100: #D9E9FF; /* Borde ligero y sutil */
    --color-contrast-50: #EEF6FF;

    /* Color para errores */
    --color-error: #A83634;

    /* Backgrounds */
    --color-background: #FAFAFA;
    --color-background-subtle: #E8E8EF;

    /* Radius scale */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Spacing scale */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;

    /* Layout */
    --container-max: 1200px;

    /* Typography - Mobile */
      /* Button (mobile y desktop) */
      --fs-button: 16px;
      --lh-button: 24px;

      /* Headings */
      --fs-h1: 26px;
      --lh-h1: 32px;

      --fs-h2: 22px;
      --lh-h2: 30px;

      --fs-h3: 18px;
      --lh-h3: 26px;

      /* Body */
      --fs-body: 16px;
      --lh-body: 24px;
      
      --fs-small: 14px;
      --lh-small: 22px;

      /* Pesos */
      --fw-light: 400;
      --fw-regular: 500;
      --fw-semibold: 600;
      --fw-bold: 700;
}

/* =========================================================
    TYPOGRAPHY
========================================================= */

body {
  font-family: "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Open Sans', Arial, Arial, Helvetica, sans-serif;
  background: var(--color-background);
  color: var(--color-contrast-950);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  font-size: var(--fs-body);
}

h1 {
  color: var(--color-contrast-950);
  font-weight: var(--fw-bold);
  line-height: var(--lh-h1);
  font-size: var(--fs-h1);
}

h2 {
  color: var(--color-contrast-950);
  font-weight: var(--fw-bold);
  line-height: var(--lh-h2);
  font-size: var(--fs-h2);
}

h3 {
  color: var(--color-contrast-950);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-h3);
  font-size: var(--fs-h3);
}

p {
  color: var(--color-support);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  font-size: var(--fs-body);
}

small,
.hint {
  font-size: var(--fs-small);
  line-height: var(--lh-small);
}

a {
  color: var(--color-contrast-500);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

/* =========================================================
    LAYOUT
========================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-sm);
}

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

.section--subtle {
  background: linear-gradient(
    120deg,
    var(--color-primary-100),
    var(--color-primary-50)
  );
}

.surface {
  background: var(--color-background);
  border: 1px solid var(--color-contrast-900); /*!CAMBIAR EL COLOR*/
}

.section__lead {
  color: var(--color-support);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
}

/* =========================================================
   BOTÓN
   Uso:
   - class="btn btn--primary"
   - class="btn btn--primary btn--block"
   - class="btn btn--tertiary"
========================================================= */
.btn {
  display: flex;
  width: 200px;
  height: 48px;
  min-width: 200px;
  min-height: 48px;
  padding: 0 24px;
  justify-content: center;
  align-items: center;
  gap: 10px;

  border-radius: 8px;

  border: none;
  cursor: pointer;

}

/* Botón primario */
.btn--primary {
  background: var(--color-primary-500);
  color: var(--color-primary-50);
}

.btn--primary:hover {
  background-color: var(--color-primary-200);
  color: var(--color-primary-950);
  filter: brightness(0.95);
}

.btn--primary:focus-visible {
  outline: 3px solid var(--color-primary-600);
  outline-offset: 2px;
}

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

/* Botón terciario */
.btn--tertiary {
  display: inline-flex;
  min-width: 110px;
  min-height: 40px;
  width: auto;
  height: auto;
  padding: 8px 16px;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--color-primary-600);
  border: 1.5px solid var(--color-primary-200);
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn--tertiary:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-400);
  color: var(--color-primary-700);
  text-decoration: none;
}

.btn--tertiary:focus-visible {
  outline: 2px solid var(--color-primary-900);
  outline-offset: 2px;
}

/* =========================================================
  HEADER
========================================================= */
.site-header {
  background: var(--color-background);
  padding: var(--space-xs) 0;
}

.container__header {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo {
  width: 280px;
  height: auto;
  aspect-ratio: 24/11;
}

/* =========================================================
  HERO (Mobile-first)
   Estructura en HTML:
   - .hero
     - .container.hero__grid
       - .hero__content
       - .hero__form
========================================================= */

.hero {
  background: linear-gradient(
    120deg,
    var(--color-primary-100),
    var(--color-primary-50)
  );
}

.hero__content {
  padding: var(--space-lg) 0;
}

.hero__content h1 {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: start;
}

/* Pill: "Webinar científico" */
.pill {
  display: inline-flex;
  align-items: center;

  padding: var(--space-sm) var(--space-md);
  border-radius: 999px;

  background: var(--color-primary-600);
  color: var(--color-primary-50);
  box-shadow: 0 6px 18px rgba(10, 41, 11, 0.06);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  
  margin-bottom: var(--space-md);
}

/* Lead: párrafo con info importante de nuestro hero */
.lead {
  font-size: var(--fs-body);
  color: var(--color-contrast-950);
  margin-top: 0;
  margin-bottom: var(--space-lg);
  max-width: 52ch;
}

/* Meta info del hero (fecha/hora/ponente) */
.hero__meta {
  display: flex;
  padding: var(--space-md);
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-xs);
  align-self: stretch;

  background: transparent;
}

.meta-card,
.speaker-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  align-self: stretch;

  box-shadow: 0 6px 18px rgba(10, 41, 11, 0.06);
  border-radius: var(--radius-lg);
  background: var(--color-background);
  padding: var(--space-md);
}

/* Detalles del webinar (fecha/hora) */
.meta-row {
  display: flex;
  justify-content: flex-start;
  align-items:center ;
  gap: var(--space-sm);

}

.meta-icon {
  color: var(--color-primary-500);
  font-size: 24px;
}

/* Ponente */
.speaker {
  display: flex;
  padding: 24px 16px;
  align-items: center;
  gap: 16px;
  align-self: stretch;
}

.speaker__avatar {
  width: 60px;
  height: 60px;
  aspect-ratio: 1/1;

  border-radius: 100px;
}

.speaker__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 4px;
}

.speaker__name {
    color: var(--color-contrast-950);
}
.speaker__role {
    color: var(--color-contrast-950);
}


/* =========================================================
  FORMULARIO
   - field: bloque label + control + hint + error
========================================================= */
.hero__form {
  box-shadow: 0 6px 18px rgba(10, 41, 11, 0.2);
  border-radius: var(--space-md);
  
  background: linear-gradient(
    120deg,
    var(--color-primary-200),
    var(--color-contrast-200)
  );

  padding: 8px;
  
}

.form-surface {
  display: flex;
  padding: var(--space-sm);
  justify-content: center;
  align-items: start;
  align-self: stretch;
  
}

.form {
  display: flex;
  padding: var(--space-md);
  flex-direction: column;
  gap: var(--space-xs);
  width: 100%;

  background: var(--color-background);
  border-radius: var(--radius-lg);
}

.form-title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-contrast-950);
  text-align: center;
  padding: var(--space-xs);
}

.field {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 0;
  margin: 0;
}

label {
  display: flex;

  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
  color: var(--color-contrast-950);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary-200);
  background: var(--color-background);
}

input::placeholder {
  color: var(--color-support);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--color-primary-900);
  outline-offset: 2px;
  border-color: transparent;
}

/* Estado de error en el input */
.is-invalid {
  border-color: var(--color-error);
}

.is-invalid:focus {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

.hint {
  padding: 0;
  font-size: var(--fs-small);
  color: var(--color-support);
}

/* Errores */
.error {
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  color: var(--color-error);
  min-height: 0;
}

/* Checkbox */
.checkbox {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  padding: 4px 0;
  align-items: flex-start;
  gap: var(--space-sm);
  align-self: stretch;
}

.checkbox .nowrap {
  white-space: nowrap;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 3px;
  accent-color: var(--color-primary-500);
  cursor: pointer;
}

.checkbox label {
  font-weight: var(--fw-regular);
  font-size: var(--fs-small);
  color: var(--color-support);
  cursor: pointer;
  line-height: 1.6;
}


/* Nota de estado del formulario (success / error general) */
.form__note {
  font-size: var(--fs-small);
  text-align: center;
  min-height: 20px;
}

.form__note.is-success {
  color: var(--color-primary-600);
  font-weight: var(--fw-semibold);
}

/* =========================================================
  SUCCESS STATE - Pantalla de confirmación post-submit
========================================================= */
.success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-md);

  text-align: center;
  background: var(--color-background);
  border: 1px solid var(--color-contrast-100);
  border-radius: var(--radius-lg);
  width: 100%;
}

.success-state.is-visible {
  display: flex;
}

.success-state__icon {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-100);
  color: var(--color-primary-600);
  font-size: 36px;
}

.success-state__text {
  font-size: var(--fs-body);
  color: var(--color-support);
  max-width: 320px;
}


/* =========================================================
  SECCIONES Y CARDS
========================================================= */
.section-header {
  border-left: 4px solid #39A935;
  padding-left: var(--space-sm);
}

.cards {
  display: grid;
  grid-template-rows: 1fr;
  justify-content: center;
  gap: var(--space-sm);
}

.card {
  display: flex;
  padding: var(--space-md);
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: var(--space-sm);
  align-self: stretch;
  flex: 1;

  max-width: 400px;
  border-radius: 16px;
  border: 1px solid var(--color-primary-200);
  background: var(--color-background);
}

.card > h3 {
  align-self: stretch;
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-50);
  flex-shrink: 0;
}

.card__icon .meta-icon {
  color: var(--color-primary-600);
  font-size: 24px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;

  border-radius: var(--radius-md);
  max-width: 400px;
  background: var(--color-background);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.10), 0 1px 2px -1px rgba(0, 0, 0, 0.10);

  transition: transform .2s ease, box-shadow .2s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(10,41,11,0.12);
}

.resource-card__media {
  position: relative;
}

.resource-card__media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 0;
  display: block;
}

.resource-card__badge,
.resource-card__year {
  position: absolute;
  top: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 var(--space-sm);
  border-radius: 999px;

  font-size: 0.75rem;
}

.resource-card__badge {
  left: 16px;
  background: var(--color-primary-100);
  color: var(--color-primary-950);
}

.resource-card__year {
  right: 16px;
  background: var(--color-background-subtle);
  color: var(--color-contrast-950);
}

.resource-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  flex: 1;
}

.resource-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 8px;

  border-radius: var(--radius-sm);

  font-size: 0.75rem;
}

.tag--blue {
  background-color: var(--color-contrast-50);
  color: var(--color-contrast-800) ;
}

.tag--green {
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
}

.tag--orange {
  background-color: #f8eee3;
  color: #633809;
}

.tag--grey {
  background-color: var(--color-background-subtle);
  color: var(--color-contrast-950);
}

.resource-card h3 {
  font-size: var(--fs-body);
  margin-top: var(--space-xs);
}

.resource-card p {
  font-size: var(--fs-small);
  flex: 1;
}

.resource-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-background-subtle);
  padding-top: var(--space-xs);
  margin-top: auto;
}

.resource-card__meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-contrast-950);

  font-size: 0.75rem;
}

.resource-card__meta-item .material-symbols-outlined {
  font-size: 16px;
}


/* =========================================================
  FOOTER
========================================================= */

.site-footer {
  background: var(--color-background);
  padding: var(--space-lg) var(--space-sm);
}

.footer__container{
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.logo--small {
  width: 100px;
  height: auto;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;

  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--color-contrast-950);
  text-decoration: none;
  font-size: var(--fs-small);
  line-height: var(--lh-small);
}

.footer__links a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.footer__links a:focus-visible {
  outline: 2px solid var(--color-primary-600);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.copyright {
  margin: 0;
  color: var(--color-support);
  font-size: var(--fs-small);
  line-height: var(--lh-small);
}


/* =========================================================
  DESKTOP BREAKPOINT
========================================================= */

@media (min-width: 1024px) {
  :root{
    /* Typography - Desktop */
      /* Headings */
      --fs-h1: 40px;
      --lh-h1: 48px;

      --fs-h2: 32px;
      --lh-h2: 40px;

      --fs-h3: 22px;
      --lh-h3: 30px;

      /* Body */
      --fs-body: 18px;
      --lh-body: 26px;
      
      --fs-small: 14px;
      --lh-small: 22px;
  }

  .container {
    padding: var(--space-xl) var(--space-md);
  }


  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
  }


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

  .footer__container{
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }

  .footer__links {
    flex-direction: row;
    justify-content: center;
  }
}