:root {
  --blanco-hueso: #eae6e2;
  --beige-calido: #cfc7c1;
  --greige: #a9a39d;
  --marron-topo: #60574e;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Nunito Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--blanco-hueso);
  color: var(--marron-topo);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Dunas de fondo (mismo motivo que el logo), fijas detrás del contenido */
.dunes-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.dunes-bg svg {
  width: 100%;
  height: 100%;
  display: block;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--marron-topo);
}

h1,
h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--blanco-hueso);
  background-color: var(--marron-topo);
  border: 1px solid var(--marron-topo);
  border-radius: 4px;
  padding: 0.95rem 2.25rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background-color: transparent;
  color: var(--marron-topo);
}

.btn--full {
  width: 100%;
  text-align: center;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Hero */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.hero__inner {
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0.75rem 0 0.25rem;
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--greige);
  margin-bottom: 1.5rem;
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--marron-topo);
  margin-bottom: 2.25rem;
}

/* Waitlist */

.waitlist {
  padding: 5rem 1.5rem;
}

.waitlist__inner {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.waitlist h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 0.75rem;
}

.waitlist__header {
  margin-bottom: 2.5rem;
}

.waitlist__subtitle {
  color: var(--marron-topo);
  margin-bottom: 1rem;
}

.waitlist__subtitle:last-child {
  margin-bottom: 0;
}

form {
  text-align: left;
}

.field {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--marron-topo);
  margin-bottom: 0.4rem;
}

.field input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--marron-topo);
  background-color: var(--beige-calido);
  border: 1px solid var(--beige-calido);
  border-radius: 3px;
  padding: 0.75rem 0.9rem;
}

.field input::placeholder {
  color: var(--greige);
}

.field input:focus-visible {
  outline: 2px solid var(--marron-topo);
  outline-offset: 1px;
}

.field input[aria-invalid='true'] {
  border: 2px solid var(--marron-topo);
}

.field__error {
  display: block;
  min-height: 1.1rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-style: italic;
  color: var(--marron-topo);
  margin-top: 0.3rem;
}

.field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  min-height: 1.3rem;
}

.form__status[data-state] {
  padding: 0.6rem 0.9rem;
  border-radius: 3px;
}

.form__status[data-state='success'] {
  color: var(--marron-topo);
  background-color: var(--beige-calido);
}

.form__status[data-state='error'] {
  color: var(--marron-topo);
  border: 1px solid var(--marron-topo);
}

/* Confirmación tras enviar el formulario */

.waitlist__done {
  text-align: center;
  color: #453d35;
}

.waitlist__done h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 1.25rem;
}

.waitlist__done p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.waitlist__numero {
  white-space: nowrap;
  font-size: 1.15em;
}

.waitlist__spam {
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.waitlist__contacto {
  font-size: 0.95rem;
}

.waitlist__contacto a {
  color: var(--marron-topo);
  font-weight: 600;
}

/* Footer */

.footer {
  text-align: center;
  padding: 2.75rem 1.5rem;
  background-color: var(--marron-topo);
  color: var(--blanco-hueso);
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer__logo {
  display: block;
  width: 170px;
  max-width: 55%;
  height: auto;
  margin: 0 auto 1.25rem;
  /* recolorea el trazo marrón del logo a blanco hueso */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__address {
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  margin: 1.1rem 0 1.25rem;
}

.footer__social a {
  color: inherit;
  display: inline-flex;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.footer__social a:hover,
.footer__social a:focus-visible {
  opacity: 1;
}

.footer__social svg {
  width: 1.35rem;
  height: 1.35rem;
}

.footer__legal {
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .waitlist {
    padding: 3.5rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 1.5rem 1.25rem;
  }

  .btn {
    padding: 0.85rem 1.75rem;
  }
}