/* ============================================
   ACADEMIA FUTURO - Álvaro Castillo
   ============================================ */

:root {
  --azul: #1e559a;
  --azul-oscuro: #17427a;
  --azul-medio: #4e7bb0;
  --amarillo: #fce352;
  --crema: #fffade;
  --blanco: #ffffff;
  --texto-oscuro: #17263d;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--texto-oscuro);
  line-height: 1.5;
  background: var(--blanco);
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-yellow { color: var(--amarillo); }

.titulo-condensado {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: none; /* tipo oración, con minúsculas normales */
  letter-spacing: .2px;
}

.btn--uppercase { text-transform: uppercase; }

/* BOTONES */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }

.btn--yellow {
  background: var(--amarillo);
  color: var(--azul-oscuro);
  box-shadow: 0 6px 0 #d9b800;
}
.btn--yellow:hover { box-shadow: 0 4px 0 #d9b800; }

.btn--outline-light {
  background: var(--blanco);
  color: var(--azul);
  border-radius: 30px;
  padding: 12px 26px;
}

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

/* HEADER */
.header {
  background: var(--azul);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo { height: 44px; width: auto; }

/* HERO */
.hero {
  background: var(--azul);
  overflow: hidden;
  position: relative;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "content image"
    "cta     image";
  align-items: center;
  gap: 8px 32px;
  padding-top: 40px;
}
.hero__content { grid-area: content; align-self: end; }
.hero__cta { grid-area: cta; justify-self: start; align-self: start; margin-bottom: 32px; }

.hero__content h1 {
  font-size: 42px;
  line-height: 1.15;
  color: var(--blanco);
  margin-bottom: 18px;
}
.hero__subtitle {
  color: #dbe6f5;
  font-size: 17px;
  margin-bottom: 24px;
  max-width: 420px;
}
.hero__image {
  grid-area: image;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 100%;
  min-height: 420px;
  overflow: hidden;
}
.hero__triangle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 340px;
  height: 300px;
  background: var(--amarillo);
  clip-path: polygon(100% 0%, 0% 100%, 100% 100%);
  z-index: 0;
}
.hero__image img {
  position: relative;
  z-index: 1;
  max-height: 460px;
  width: auto;
  margin: 0 auto;
}

/* BENEFICIOS */
.beneficios {
  background: var(--crema);
  padding: 48px 0;
}
.beneficios__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.beneficio__icono {
  width: 76px;
  height: 76px;
  background: var(--amarillo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.beneficio__icono svg { width: 34px; height: 34px; }
.beneficio__titulo {
  font-weight: 800;
  color: var(--azul);
  letter-spacing: .5px;
  font-size: 15px;
}
.beneficio__desc { font-size: 13.5px; color: #4a5a70; }

/* CURSOS */
.cursos {
  background: var(--amarillo);
  padding: 64px 0;
  text-align: center;
}
.cursos__titulo {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--azul);
  font-size: 34px;
}
.cursos__subtitulo {
  color: var(--azul);
  font-weight: 600;
  margin-bottom: 36px;
}
.chevron { display: inline-block; }

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

.curso-card {
  display: flex;
  align-items: stretch;
  border-radius: 16px;
  overflow: hidden;
  min-height: 220px;
  background: var(--azul-oscuro);
  box-shadow: 0 10px 24px rgba(0,0,0,.15);
}
.curso-card--medium { background: var(--azul-oscuro); }
.curso-card--light { background: var(--azul-oscuro); }

.curso-card__contenido {
  flex: 1 1 44%;
  min-width: 0;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.curso-card__icon {
  width: 46px;
  height: 46px;
  background: var(--amarillo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  flex-shrink: 0;
}
.curso-card__icon svg { width: 24px; height: 24px; }

.curso-card__categoria {
  color: var(--amarillo);
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 6px;
  display: block;
}
.curso-card__contenido h3 {
  color: var(--blanco);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 4px;
}
.curso-card__contenido p {
  color: #dbe6f5;
  font-size: 13px;
}

.curso-card__foto {
  flex: 1 1 56%;
  position: relative;
  margin: 14px 14px 14px 0;
  border-radius: 14px;
  overflow: hidden;
}
.curso-card__foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 26% 100%, 0% 74%);
}

/* FORMULARIO */
.formulario {
  background: var(--azul);
  padding: 64px 0;
}
.formulario__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.formulario__texto h2 {
  color: var(--blanco);
  font-size: 34px;
  margin-bottom: 16px;
}
.formulario__texto p { color: #dbe6f5; font-size: 15.5px; max-width: 340px; }

.formulario__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.formulario__form input,
.formulario__form select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 8px;
  border: none;
  background: var(--crema);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--texto-oscuro);
  outline: none;
}
.formulario__form input::placeholder { color: #7a8494; }
.formulario__form select { color: #7a8494; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1L7 7L13 1' stroke='%237a8494' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.formulario__form select:valid { color: var(--texto-oscuro); }

.formulario__form input[type="date"] { color: #7a8494; }
.formulario__form input[type="date"]:valid { color: var(--texto-oscuro); }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #dbe6f5;
  font-size: 13px;
  cursor: pointer;
  margin-top: 4px;
}
.checkbox input { width: auto; margin-top: 2px; accent-color: var(--amarillo); }

.campo-fecha { display: flex; flex-direction: column; gap: 4px; }
.campo-fecha label { color: #dbe6f5; font-size: 12.5px; font-weight: 600; padding-left: 2px; }
.campo-fecha input { height: 50px; }

.formulario__campos-req {
  color: #a9bcd6;
  font-size: 12px;
}

.formulario__mensaje {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 0;
  min-height: 20px;
}
.formulario__mensaje--exito { color: #7ee787; }
.formulario__mensaje--error { color: #ff9494; }

/* FOOTER */
.footer { background: var(--azul-oscuro); padding: 24px 0; }
.footer__logo { height: 42px; width: auto; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 24px;
}
.footer__bottom p { color: #a9bcd6; font-size: 12.5px; }
.footer__social { display: flex; gap: 14px; }
.footer__social a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
}

/* ============================================
   RESPONSIVE - MOBILE (basado en mockup móvil)
   ============================================ */
@media (max-width: 860px) {
  /* Header: botón Inscríbete reducido ~20% */
  .header { padding: 12px 0; }
  .header .btn--outline-light {
    padding: 8px 16px;
    font-size: 12px;
  }
  .header__logo { height: 65px; }

  /* Hero: título/subtítulo arriba, botón, luego foto — todo en una columna */
  .hero__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "content"
      "cta"
      "image";
    padding-top: 28px;
    gap: 4px 0;
    text-align: left;
  }
  .hero__content { padding-top: 32px; }
  .hero__content h1 { font-size: 54px; }
  .hero__subtitle { max-width: 100%; margin-bottom: 16px; }
  .hero__cta {
    justify-self: start;
    align-self: center;
    margin: 8px 0 16px;
  }
  .hero__image { height: 380px; overflow: hidden; }
  .hero__triangle { width: 260px; height: 220px; }
  .hero__image img {
    width: 100%;
    height: 100%;
    max-height: none;
    object-fit: cover;
    object-position: center top;
  }

  .beneficios__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }

  .cursos__grid { grid-template-columns: 1fr; }
  .cursos__titulo { font-size: 28px; }

  .curso-card { min-height: 190px; }
  .curso-card__contenido { padding: 16px 14px; }
  .curso-card__icon { width: 42px; height: 42px; margin-bottom: 8px; }
  .curso-card__icon svg { width: 22px; height: 22px; }
  .curso-card__contenido h3 { font-size: 17px; }

  .formulario__grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .formulario__texto { text-align: left; }
  .formulario__texto p { max-width: 100%; }

  /* Campo fecha de nacimiento: evitar que se desborde en móvil */
  .formulario__form input[type="date"] {
    width: 100%;
    min-width: 0;
    -webkit-appearance: none;
    appearance: none;
  }

  /* Footer: logo más grande y centrado sobre el copyright */
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer__logo { height: 58px; } /* ~80% más grande que 32px */
  .footer__social { order: 3; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero__content h1 { font-size: 46px; }
  .hero__image { height: 320px; }
}