@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-variable-latin-v20.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --marfim: #fbf9f5;
  --preto: #0f0f0f;
  --carmim: #b8283e;
  --hair: rgba(15, 15, 15, .18);
  --pad: clamp(1.5rem, 5vw, 5rem);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { color: var(--preto); background: var(--marfim); scroll-behavior: smooth; }
body { margin: 0; font-family: "Inter", sans-serif; font-weight: 300; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
::selection { color: var(--marfim); background: var(--carmim); }

.skip { position: fixed; z-index: 20; top: 1rem; left: 1rem; transform: translateY(-180%); padding: .7rem 1rem; color: var(--marfim); background: var(--preto); }
.skip:focus { transform: none; }
.nav { position: absolute; z-index: 10; inset: 0 0 auto; min-height: 6.2rem; padding: 0 var(--pad); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--hair); font-size: .62rem; letter-spacing: .16em; }
.nav .mark { justify-self: start; font-size: 1.25rem; letter-spacing: -.02em; }
.nav a:last-child { justify-self: end; }

.letter-field { position: relative; overflow: hidden; min-height: 100svh; padding: clamp(10rem, 17vh, 13rem) var(--pad) 2.4rem; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .95fr); grid-template-rows: auto 1fr auto; column-gap: clamp(3rem, 9vw, 10rem); }
.eyebrow { position: relative; z-index: 2; margin: 0 0 1rem; grid-column: 1 / -1; font-size: .62rem; letter-spacing: .19em; opacity: .55; }
h1 { position: relative; z-index: 2; min-width: 0; margin: 0; grid-column: 1 / -1; font-size: clamp(4rem, 10.5vw, 11rem); line-height: .82; letter-spacing: -.065em; font-weight: 200; }
.copy { position: relative; z-index: 2; min-width: 0; align-self: end; max-width: 34rem; margin-top: clamp(6rem, 12vw, 12rem); }
.copy p { max-width: 36ch; margin: 0 0 1.5rem; font-size: clamp(.95rem, 1.25vw, 1.13rem); line-height: 1.62; }
.copy .lead { max-width: 16ch; margin-bottom: clamp(3rem, 6vw, 6rem); font-size: clamp(1.8rem, 3.7vw, 4rem); line-height: 1.08; letter-spacing: -.038em; }

.signup-field { position: relative; z-index: 2; min-width: 0; align-self: end; width: 100%; max-width: 42rem; margin-top: clamp(6rem, 12vw, 12rem); display: grid; }
.correspondence-form, .form-success { grid-area: 1 / 1; }
.correspondence-form { min-width: 0; width: 100%; transition: opacity .42s var(--ease), transform .52s var(--ease), visibility 0s linear; }
.field { margin-bottom: 2.4rem; }
.field label { display: block; margin-bottom: .75rem; font-size: .58rem; letter-spacing: .14em; opacity: .54; }
.field input { width: 100%; padding: .85rem 0; color: inherit; background: transparent; border: 0; border-bottom: 1px solid currentColor; border-radius: 0; outline: 0; font-size: 1rem; font-weight: 300; opacity: .72; }
.field input:focus { opacity: 1; border-bottom-color: var(--carmim); }
.email-line { display: flex; align-items: flex-end; border-bottom: 1px solid currentColor; }
.email-line input { border: 0; }
.email-line button { flex: none; padding: .85rem 0 .85rem 1rem; color: inherit; background: transparent; border: 0; font-size: .7rem; letter-spacing: .1em; cursor: pointer; white-space: nowrap; }
.email-line button:hover, .email-line button:focus-visible { color: var(--carmim); }
.consent { display: flex; gap: .8rem; align-items: flex-start; max-width: 31rem; font-size: .66rem; line-height: 1.5; opacity: .68; }
.consent input { flex: none; width: .85rem; height: .85rem; margin: .15rem 0 0; accent-color: var(--carmim); }
.form-status { min-height: 1.5rem; margin: .9rem 0 0; font-size: .72rem; line-height: 1.5; color: var(--carmim); }
.form-success { align-self: center; max-width: 29rem; margin: 0; color: var(--carmim); font-size: clamp(1.18rem, 2.1vw, 1.55rem); line-height: 1.4; letter-spacing: -.018em; opacity: 0; visibility: hidden; transform: translateY(.65rem); pointer-events: none; transition: opacity .38s var(--ease), transform .48s var(--ease), visibility 0s linear .48s; }
.signup-field.is-success .correspondence-form { opacity: 0; visibility: hidden; transform: translateY(-.65rem); pointer-events: none; transition: opacity .34s var(--ease), transform .44s var(--ease), visibility 0s linear .44s; }
.signup-field.is-success .form-success { opacity: 1; visibility: visible; transform: translateY(0); transition-delay: .18s, .18s, 0s; }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

footer { position: relative; z-index: 2; grid-column: 1 / -1; margin-top: clamp(6rem, 11vw, 10rem); padding-top: 1.2rem; display: flex; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--hair); font-size: .56rem; letter-spacing: .12em; opacity: .52; }
.aura { position: absolute; width: min(58vw, 54rem); aspect-ratio: 1; right: -13vw; top: 2vh; border-radius: 50%; background: radial-gradient(circle at 42% 44%, rgba(184,40,62,.2), rgba(184,40,62,.055) 38%, transparent 68%); filter: blur(56px); opacity: .72; pointer-events: none; animation: breathe 12s var(--ease) infinite alternate; }

@keyframes breathe {
  from { transform: scale(.94) translate3d(0, 1.5rem, 0); opacity: .52; }
  to { transform: scale(1.05) translate3d(-1.5rem, 0, 0); opacity: .82; }
}

@media (max-width: 760px) {
  .nav { min-height: 4.8rem; grid-template-columns: 1fr 1fr; }
  .nav > span { display: none; }
  .letter-field { min-height: 100svh; padding-top: 8.5rem; grid-template-columns: minmax(0, 1fr); }
  h1 { font-size: clamp(2.1rem, 9vw, 3.6rem); line-height: .9; letter-spacing: -.065em; }
  .copy { margin-top: 7rem; }
  .copy .lead { max-width: 14ch; font-size: clamp(1.55rem, 7vw, 2.1rem); }
  .signup-field { margin-top: 5rem; }
  .email-line { display: block; border-bottom: 0; }
  .email-line input { border-bottom: 1px solid currentColor; }
  .email-line button { width: auto; min-height: 3rem; margin-top: 1rem; padding: .9rem .15rem; font-size: .74rem; line-height: 1.15; text-align: left; }
  footer { flex-direction: column; }
  .aura { width: 105vw; right: -48vw; top: 10rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aura { animation: none; }
  .correspondence-form, .form-success, .signup-field.is-success .correspondence-form, .signup-field.is-success .form-success { transition: none; }
}