* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    linear-gradient(180deg, #fffafa 0%, #fff 35%, #fff7f7 100%);
  color: #30272a;
  line-height: 1.6;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 68px;
  padding: 12px 5%;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid #eadfe2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  box-shadow: 0 3px 15px rgba(70,30,40,.06);
}

.marca {
  font-family: Georgia, serif;
  font-weight: bold;
  color: #761f36;
  font-size: 17px;
}

.navlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.navlinks a {
  text-decoration: none;
  font-size: 14px;
  font-weight: bold;
  color: #514248;
}

.navlinks a:hover {
  color: #a41e45;
}

.institucional {
  text-align: center;
  padding: 18px 8%;
  background: #761f36;
  color: white;
}

.institucional p {
  max-width: 1050px;
  margin: 3px auto;
}

.institucional a {
  color: white;
  font-weight: bold;
}

.agradecimiento {
  font-size: 14px;
  opacity: .95;
}

.hero {
  max-width: 1250px;
  min-height: 590px;
  margin: auto;
  padding: 65px 6% 50px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 50px;
}

.etiqueta,
.encabezado-seccion > span {
  display: inline-block;
  letter-spacing: 2px;
  font-size: 12px;
  font-weight: bold;
  color: #a21d46;
  margin-bottom: 10px;
}

.hero h1 {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.05;
  color: #4d1830;
}

.hero h2 {
  font-size: 26px;
  margin: 5px 0 15px;
  color: #7e2440;
}

.hero p {
  font-size: 18px;
  max-width: 670px;
}

.hero .principal {
  font-family: Georgia, serif;
  font-size: 22px;
  color: #514146;
}

.hero-imagen img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  filter: drop-shadow(0 18px 20px rgba(67,25,36,.16));
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  background: #8c2343;
  color: white;
  font-size: 16px;
  font-weight: bold;
  padding: 15px 26px;
  text-decoration: none;
  cursor: pointer;
  transition: .2s;
  box-shadow: 0 7px 18px rgba(110,28,53,.16);
}

.btn:hover {
  transform: translateY(-2px);
  background: #701a35;
}

main {
  max-width: 1150px;
  margin: auto;
  padding: 0 20px 60px;
}

.rosas {
  text-align: center;
  font-size: 25px;
  letter-spacing: 10px;
  margin: 10px 0 25px;
}

.card {
  margin: 30px auto;
  padding: 42px;
  border-radius: 18px;
  background: white;
  border: 1px solid #eee3e6;
  box-shadow: 0 12px 35px rgba(70,35,45,.07);
}

.card h2 {
  font-family: Georgia, serif;
  color: #641c35;
  font-size: 32px;
  margin-top: 0;
}

.presentacion {
  text-align: center;
}

.presentacion > p {
  max-width: 820px;
  margin: 0 auto 35px;
  font-size: 17px;
}

.beneficios {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.beneficios > div {
  padding: 25px 18px;
  background: #fff9fa;
  border-radius: 12px;
}

.beneficios span {
  font-size: 35px;
  display: block;
  margin-bottom: 10px;
}

.beneficios strong {
  display: block;
  color: #70203a;
  font-size: 18px;
}

.encabezado-seccion {
  text-align: center;
  margin-bottom: 30px;
}

.encabezado-seccion h2 {
  margin-bottom: 5px;
}

.choices {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 10px 15px;
  margin-bottom: 35px;
}

.choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 55px;
  padding: 13px 15px;
  border: 1px solid #eadfe2;
  border-radius: 9px;
  background: #fffafa;
  cursor: pointer;
  transition: .15s;
}

.choice:hover {
  border-color: #bd7589;
  background: #fff4f6;
}

.choice input {
  margin-top: 5px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

form label {
  display: block;
  font-weight: bold;
  margin-bottom: 18px;
  color: #4d3940;
}

input,
textarea {
  display: block;
  width: 100%;
  margin-top: 7px;
  padding: 13px 14px;
  border: 1px solid #d6c7cc;
  border-radius: 8px;
  font: inherit;
  color: #30272a;
  background: white;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #9e2a4c;
  box-shadow: 0 0 0 3px rgba(158,42,76,.09);
}

textarea {
  resize: vertical;
}

.aviso {
  padding: 18px 20px;
  margin: 15px 0 20px;
  background: #fff6e8;
  border-left: 5px solid #d89b37;
  border-radius: 7px;
  color: #5b4630;
}

.acepto {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  font-weight: normal !important;
  padding: 15px;
  background: #f8f8f8;
  border-radius: 8px;
}

.acepto input {
  width: auto;
  margin-top: 5px;
}

.btn-enviar {
  width: 100%;
  margin-top: 5px;
  font-size: 18px;
}

#estado {
  margin: 20px 0 0;
  padding: 0;
  font-weight: bold;
  text-align: center;
}

#estado.ok {
  padding: 16px;
  color: #176533;
  background: #ecf8ef;
  border-radius: 8px;
}

#estado.error {
  padding: 16px;
  color: #a32323;
  background: #fff0f0;
  border-radius: 8px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
}

.steps > div {
  text-align: center;
  padding: 20px 15px;
  border-radius: 12px;
  background: #fff8f9;
}

.steps b {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: #842341;
  color: white;
  font-size: 20px;
}

.steps strong {
  display: block;
  color: #641c35;
}

.steps p {
  font-size: 14px;
  margin-bottom: 0;
}

.donar {
  text-align: center;
  background: linear-gradient(135deg,#fff 0%,#fff4f6 100%);
  border: 2px solid #f0d6dd;
}

.corazon {
  font-size: 50px;
}

.donar > p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.donacion-aclaracion {
  font-weight: bold;
  color: #75213b;
}

.montos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 20px;
}

.monto {
  border: 2px solid #8c2343;
  background: white;
  color: #8c2343;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

.monto:hover,
.monto.activo {
  background: #8c2343;
  color: white;
}

.otra-cantidad {
  max-width: 400px;
  margin: 20px auto;
}

.otra-cantidad label {
  font-weight: bold;
}

.cantidad-input {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 7px;
  padding: 0 14px;
  background: white;
  border: 1px solid #d7c7cc;
  border-radius: 8px;
}

.cantidad-input input {
  border: none;
  margin: 0;
  box-shadow: none;
}

.paypal {
  margin-top: 10px;
  min-width: 240px;
}

.donar small {
  display: block;
  margin-top: 15px;
  color: #796b70;
}

.enlaces-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.enlace-proyecto {
  padding: 28px;
  border-radius: 12px;
  text-decoration: none;
  background: #faf7f8;
  border: 1px solid #eadfe2;
  transition: .2s;
}

.enlace-proyecto:hover {
  transform: translateY(-3px);
  border-color: #a84c68;
}

.enlace-proyecto strong {
  display: block;
  font-family: Georgia, serif;
  color: #681d36;
  font-size: 21px;
  margin-bottom: 12px;
}

.enlace-proyecto span {
  color: #8e2948;
  font-weight: bold;
}

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

.secondary {
  background: #55505a;
}

footer {
  text-align: center;
  padding: 40px 20px;
  background: #411526;
  color: white;
}

.footer-titulo {
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: bold;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 15px 0;
}

.footer-links a {
  color: white;
}

.petalo {
  position: fixed;
  top: -50px;
  z-index: 3;
  pointer-events: none;
  animation-name: caer;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

@keyframes caer {
  0% {
    transform: translate(0,-30px) rotate(0deg);
    opacity: .8;
  }

  100% {
    transform: translate(var(--x),110vh) rotate(420deg);
    opacity: .1;
  }
}

@media(max-width:850px) {

  .topbar {
    position: relative;
    flex-direction: column;
  }

  .navlinks {
    justify-content: center;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 45px;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-imagen {
    order: -1;
  }

  .hero-imagen img {
    max-height: 350px;
  }

  .choices,
  .grid,
  .beneficios,
  .steps,
  .enlaces-grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 28px 20px;
  }

}

@media(max-width:500px) {

  .hero h1 {
    font-size: 40px;
  }

  .hero h2 {
    font-size: 22px;
  }

  .navlinks {
    gap: 10px 15px;
  }

  .rosas {
    letter-spacing: 3px;
  }

}