/* ==========================================================================
   Coming Soon · Joyería
   Paleta: esmeralda · verde · dorado · blanco · negro
   Estructura: 1. Tokens  2. Base  3. Fondo  4. Cabecera y logo  5. Layout
               6. Hero  7. Formulario  8. Estados  9. Footer
               10. Responsive  11. Accesibilidad
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  /* Color */
  --negro: #050706;
  --blanco: #ffffff;
  --blanco-suave: #c9d6d0;
  --esmeralda: #0f7a5a;
  --esmeralda-vivo: #14a37a;
  --esmeralda-profundo: #06342a;
  --oro: #d9b873;
  --oro-profundo: #b8924a;
  --oro-texto: #1b1408;
  --cristal: rgba(4, 20, 15, 0.72);
  --linea: rgba(217, 184, 115, 0.4);
  --linea-suave: rgba(255, 255, 255, 0.16);
  --ok: #7ae0b2;
  --err: #ff9a8a;

  /* IMAGEN DE FONDO: cambia el nombre si tu archivo se llama distinto (ej. "images/portada.webp") */
  --imagen-fondo: url("../nativemerald.png");
  --imagen-posicion: center;       /* ej. "center top", "70% center" para encuadrar mejor */

  /* Tipografía */
  --font-display: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --font-body: "Jost", "Helvetica Neue", Arial, system-ui, sans-serif;

  /* Escala tipográfica (fluida) */
  --fs-label: 0.75rem;
  --fs-small: 0.875rem;
  --fs-body: 1rem;
  --fs-lead: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
  --fs-h2: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem);
  --fs-h1: clamp(3.4rem, 1.5rem + 10vw, 9rem);

  /* Espaciado y forma */
  --gutter: clamp(16px, 4vw, 48px);
  --radio: 2px;
  --ancho-max: 1200px;
  --ancho-form: 560px;

  color-scheme: dark;
}

/* 2. Base ------------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  padding-top: max(20px, env(safe-area-inset-top, 0px));
  padding-bottom: max(24px, env(safe-area-inset-bottom, 0px));
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
  position: relative;
  isolation: isolate;
}

h1, h2, p { margin: 0; }
button, input { font: inherit; color: inherit; }

/* 3. Fondo ----------------------------------------------------------------- */
/* La imagen se define arriba en --imagen-fondo. Si el archivo no existe, se ve el degradado.
   La capa oscura mantiene legible el texto: sube los valores (0.7 / 0.8 / 0.95) para oscurecer más. */
.fondo {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--negro);
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.774) 0%, rgba(14, 17, 16, 0.863) 40%, rgba(5, 7, 6, 0.753) 100%),
    var(--imagen-fondo),
    radial-gradient(60% 50% at 82% 12%, rgba(20,163,122,0.28) 0%, transparent 70%),
    radial-gradient(55% 50% at 8% 92%, rgba(217,184,115,0.14) 0%, transparent 70%),
    linear-gradient(160deg, #08231b, #050706 60%);
  background-size: cover;
  background-position: var(--imagen-posicion);
  background-repeat: no-repeat;
}

/* 4. Cabecera y logo ------------------------------------------------------- */
.cabecera,
.principal,
.pie {
  width: 100%;
  max-width: var(--ancho-max);
  margin-inline: auto;
}

.cabecera {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--linea-suave);
}

/* Espacio para el logo: guarda tu archivo como "logo.png" (o cambia el nombre en index.html).
   Altura del logo: cámbiala en --logo-alto. */
.logo {
  --logo-alto: clamp(56px, 9vw, 88px);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--logo-alto);
  text-decoration: none;
}
.logo img {
  display: block;
  height: var(--logo-alto);
  width: auto;
  max-width: min(320px, 72vw);
  object-fit: contain;
}
.logo__texto {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--blanco);
}
.logo__texto[hidden] { display: none; }

.etiqueta {
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--oro);
}

/* 5. Layout ---------------------------------------------------------------- */
/* Una sola columna centrada: primero el Coming Soon (más abajo), luego el formulario. */
.principal {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(44px, 8vh, 84px);
  padding-top: clamp(56px, 15vh, 170px);
  padding-bottom: clamp(40px, 8vh, 96px);
}

/* 6. Hero ------------------------------------------------------------------ */
.hero {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  text-align: center;
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero__kicker::before,
.hero__kicker::after {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--oro);
}

h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h1);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 em {
  display: block;
  font-style: italic;
  font-weight: 500;
  color: var(--oro);
}

.hero__texto {
  max-width: 52ch;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 1rem + 1.4vw, 1.3rem);
  font-weight: 300;
  color: var(--blanco-suave);
  text-wrap: pretty;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
  max-width: 36rem;
  padding: 16px 28px;
  text-align: left;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--blanco);
  background: linear-gradient(135deg, var(--esmeralda-vivo) 0%, var(--esmeralda) 55%, var(--esmeralda-profundo) 100%);
  border: 1px solid var(--oro);
  border-radius: var(--radio);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cta::after {
  content: "↓";
  flex: none;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--oro);
}
.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -12px rgba(20, 163, 122, 0.7);
}

.hero__datos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blanco-suave);
}
.hero__datos li { display: flex; align-items: center; gap: 28px; }
.hero__datos li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-left: -28px;
  margin-right: 24px;
  transform: rotate(45deg);
  background: var(--oro);
}

/* 7. Formulario ------------------------------------------------------------ */
.tarjeta {
  width: 100%;
  max-width: var(--ancho-form);
  min-width: 0;
  margin-inline: auto;
  padding: clamp(24px, 4vw, 44px);
  background: var(--cristal);
  border: 1px solid var(--linea);
  border-top: 3px solid var(--esmeralda-vivo);
  border-radius: var(--radio);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
  scroll-margin-top: 24px;
}

.tarjeta__titulo {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: 1.1;
  text-align: center;
  text-wrap: balance;
}

.tarjeta__sub {
  margin: 10px auto 28px;
  max-width: 40ch;
  text-align: center;
  font-size: var(--fs-small);
  font-weight: 300;
  color: var(--blanco-suave);
}

.formulario {
  display: grid;
  gap: 18px;
}

.campo {
  display: grid;
  gap: 8px;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oro);
}
.campo small {
  font-size: inherit;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: none;
  color: var(--blanco-suave);
}

.campo input {
  width: 100%;
  min-height: 48px;
  padding: 12px 2px;
  font-size: 1rem; /* 16px evita el zoom automático en iOS */
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--blanco);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--linea-suave);
  border-radius: 0;
  transition: border-color 0.2s ease;
}
.campo input::placeholder { color: rgba(201, 214, 208, 0.5); }
.campo input:hover { border-bottom-color: var(--linea); }
.campo input:focus { outline: none; border-bottom-color: var(--esmeralda-vivo); }
.campo input[aria-invalid="true"] { border-bottom-color: var(--err); }

.acepto {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--fs-small);
  font-weight: 300;
  line-height: 1.5;
  color: var(--blanco-suave);
  cursor: pointer;
}
.acepto input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--esmeralda-vivo);
}

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

.enviar {
  min-height: 54px;
  padding: 16px 24px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--oro-texto);
  background: linear-gradient(135deg, var(--oro) 0%, var(--oro-profundo) 100%);
  border: 0;
  border-radius: var(--radio);
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.2s ease;
}
.enviar:hover { filter: brightness(1.07); transform: translateY(-1px); }
.enviar[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* 8. Estados --------------------------------------------------------------- */
.mensaje {
  min-height: 1.5em;
  text-align: center;
  font-size: var(--fs-small);
  color: var(--err);
}
.mensaje--info { color: var(--blanco-suave); }

.exito__titulo { color: var(--ok); }

/* 9. Footer ---------------------------------------------------------------- */
.pie {
  padding-top: 16px;
  border-top: 1px solid var(--linea-suave);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blanco-suave);
}

/* 10. Responsive ----------------------------------------------------------- */
@media (max-width: 520px) {
  .principal { padding-top: clamp(40px, 10vh, 80px); }
  .hero { gap: 22px; }
  .hero__kicker::before,
  .hero__kicker::after { width: 24px; }
  .cta { width: 100%; }
  .hero__datos { flex-direction: column; align-items: center; gap: 8px; }
  .hero__datos li + li::before { display: none; }
  .hero__datos li { gap: 0; }
  .pie { flex-direction: column; text-align: center; }
}

@media (min-width: 1600px) {
  :root { --ancho-max: 1400px; --ancho-form: 620px; }
}

@media (max-height: 560px) and (orientation: landscape) {
  .principal { padding-top: 32px; }
  h1 { font-size: clamp(3rem, 14vh, 5rem); }
}

/* 11. Accesibilidad -------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--oro);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero > *,
  .tarjeta {
    animation: entrada 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
  .hero > :nth-child(2) { animation-delay: 0.08s; }
  .hero > :nth-child(3) { animation-delay: 0.16s; }
  .hero > :nth-child(4) { animation-delay: 0.24s; }
  .hero > :nth-child(5) { animation-delay: 0.32s; }
  .tarjeta { animation-delay: 0.3s; }

  @keyframes entrada {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}