:root {
    --ink: #0B0E13;
    --ink-2: #151A22;
    --cloud: #F4F1EA;
    --cloud-dim: rgba(244, 241, 234, 0.6);
    --amber: #F2A93B;
    --sky-fallback: linear-gradient(180deg, #2B62B8 0%, #B4CFE6 100%);
    --display: "Anton", Impact, "Arial Narrow Bold", sans-serif;
    --body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  }

  * { box-sizing: border-box; }

  html, body {
    height: 100%;
    margin: 0;
    overflow: hidden;
  }

  body {
    background: var(--ink);
    background-image: var(--sky-fallback);
    color: var(--cloud);
    font-family: var(--body);
    -webkit-font-smoothing: antialiased;
  }

  /* ---------- Scene ---------- */
  #scene {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
  }

  .vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
      radial-gradient(ellipse 62% 48% at 50% 42%, rgba(6, 9, 14, 0.34) 0%, rgba(6, 9, 14, 0) 70%),
      linear-gradient(180deg, rgba(6, 9, 14, 0.42) 0%, rgba(6, 9, 14, 0) 24%, rgba(6, 9, 14, 0) 76%, rgba(6, 9, 14, 0.4) 100%);
  }

  /* ---------- Header ---------- */
  .top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(18px, 2.6vw, 34px) clamp(20px, 3.4vw, 48px);
    z-index: 5;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: inherit;
    text-decoration: none;
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    line-height: 1;
  }
  .logo svg { width: 40px; height: 40px; display: block; }

  .contact-link {
    appearance: none;
    background: none;
    border: 1px solid rgba(244, 241, 234, 0.5);
    border-radius: 999px;
    padding: 12px 20px;
    margin: 0;
    color: inherit;
    font: 600 0.78rem/1 var(--body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background .3s, border-color .3s, color .3s;
  }
  .contact-link:hover, .contact-link:focus-visible {
    background: var(--cloud);
    border-color: var(--cloud);
    color: var(--ink);
  }
  .contact-link:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }

  /* ---------- Claim ---------- */
  .claim {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 0 6vw;
    pointer-events: none;
    z-index: 3;
  }
  .claim h1 {
    margin: 0;
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.2rem, 5.6vw, 5.4rem);
    line-height: 1.0;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    white-space: nowrap;
    text-shadow: 0 4px 70px rgba(4, 7, 12, 0.5), 0 1px 3px rgba(4, 7, 12, 0.3);
  }
  .claim h1 em { font-style: normal; color: var(--amber); }
  .claim p {
    margin: clamp(18px, 2.4vw, 28px) 0 0;
    font-size: clamp(0.9rem, 1.15vw, 1.08rem);
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--cloud);
    opacity: 0.9;
    text-shadow: 0 1px 24px rgba(4, 7, 12, 0.5);
    max-width: 36ch;
    text-wrap: balance;
  }
  .claim-inner { display: grid; justify-items: center; transform: translateY(-24vh); }

  /* ---------- Bottom bar ---------- */
  .bottom {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: clamp(18px, 2.6vw, 34px) clamp(20px, 3.4vw, 48px);
    z-index: 5;
    gap: 20px;
  }

  .mail {
    color: var(--cloud);
    opacity: 0.75;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: opacity .3s;
  }
  .mail:hover { opacity: 1; }

  /* ---------- Contact overlay ---------- */
  .overlay {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: var(--ink);
    color: var(--cloud);
    clip-path: circle(0px at calc(100% - 80px) 46px);
    visibility: hidden;
    transition: clip-path .9s cubic-bezier(.7,0,.2,1), visibility 0s linear .9s;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .overlay.open {
    clip-path: circle(160% at calc(100% - 80px) 46px);
    visibility: visible;
    transition: clip-path .9s cubic-bezier(.7,0,.2,1), visibility 0s;
  }

  .overlay .top { position: absolute; }

  .close {
    appearance: none;
    background: none;
    border: 0;
    padding: 6px 0;
    color: inherit;
    font: 600 0.78rem/1 var(--body);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }
  .close .x-mark {
    width: 34px; height: 34px;
    border: 1px solid rgba(244, 241, 234, 0.4);
    border-radius: 50%;
    display: grid;
    place-items: center;
    transition: transform .4s cubic-bezier(.2,.8,.2,1), border-color .3s;
  }
  .close:hover .x-mark { transform: rotate(90deg); border-color: var(--amber); }
  .close:focus-visible { outline: 2px solid var(--amber); outline-offset: 6px; }

  .overlay-inner {
    min-height: 100%;
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 6vw, 96px);
    align-content: center;
    padding: clamp(110px, 16vh, 160px) clamp(20px, 3.4vw, 48px) clamp(40px, 6vh, 72px);
    max-width: 1320px;
    margin: 0 auto;
  }

  .intro h2 {
    margin: 0;
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.2rem, 4.2vw, 4.2rem);
    line-height: 1.0;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    text-wrap: balance;
  }
  .intro h2 em { font-style: normal; color: var(--amber); }
  .intro p {
    margin: 26px 0 0;
    max-width: 38ch;
    font-size: 1.02rem;
    line-height: 1.6;
    color: var(--cloud-dim);
  }
  .intro .direct {
    margin-top: 40px;
    display: grid;
    gap: 14px;
    font-size: 0.95rem;
  }
  .intro .direct span {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cloud-dim);
    margin-bottom: 4px;
  }
  .intro .direct a {
    color: var(--cloud);
    text-decoration: none;
    border-bottom: 1px solid rgba(244, 241, 234, 0.3);
    transition: border-color .3s;
  }
  .intro .direct a:hover { border-color: var(--amber); }

  form { display: grid; gap: 34px; }
  .row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

  .field { display: grid; gap: 10px; }
  .field label, .field-label {
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cloud-dim);
  }
  .field input, .field textarea {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(244, 241, 234, 0.3);
    border-radius: 0;
    padding: 10px 0 12px;
    color: var(--cloud);
    font: 500 1.2rem/1.35 var(--body);
    outline: none;
    transition: border-color .3s;
  }
  .field textarea { resize: vertical; min-height: 96px; }
  .field input::placeholder, .field textarea::placeholder { color: rgba(244, 241, 234, 0.3); }
  .field input:focus, .field textarea:focus { border-color: var(--amber); }

  .chips { display: flex; flex-wrap: wrap; gap: 10px; }
  .chips button {
    appearance: none;
    background: transparent;
    border: 1px solid rgba(244, 241, 234, 0.3);
    border-radius: 999px;
    padding: 10px 16px;
    color: var(--cloud);
    font: 500 0.88rem/1 var(--body);
    cursor: pointer;
    transition: background .25s, border-color .25s, color .25s;
  }
  .chips button:hover { border-color: var(--cloud); }
  .chips button[aria-pressed="true"] {
    background: var(--cloud);
    border-color: var(--cloud);
    color: var(--ink);
  }
  .chips button:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

  .actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }
  .send {
    appearance: none;
    border: 0;
    background: var(--amber);
    color: var(--ink);
    font: 700 0.95rem/1 var(--body);
    letter-spacing: 0.02em;
    padding: 18px 28px;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    transition: background .25s, transform .3s cubic-bezier(.2,.8,.2,1);
  }
  .send:hover { background: #FFBE55; transform: translateY(-1px); }
  .send:focus-visible { outline: 2px solid var(--cloud); outline-offset: 4px; }
  .send svg { width: 16px; height: 16px; transition: transform .3s cubic-bezier(.2,.8,.2,1); }
  .send:hover svg { transform: translateX(4px); }
  .actions small { color: var(--cloud-dim); font-size: 0.8rem; max-width: 30ch; line-height: 1.45; }

  .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; margin: 0; }
  .form-error {
    margin: -14px 0 0;
    color: #F0876E;
    font-size: 0.9rem;
    line-height: 1.5;
  }
  .send[disabled] { opacity: 0.6; cursor: default; transform: none; }

  .sent { display: none; align-self: center; }
  .sent.show { display: block; }
  .sent h3 {
    margin: 0;
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2rem, 3.6vw, 3.4rem);
    letter-spacing: 0.01em;
    text-transform: uppercase;
    line-height: 1;
  }
  .sent p { margin: 18px 0 0; color: var(--cloud-dim); line-height: 1.6; max-width: 40ch; }
  .sent button {
    margin-top: 28px;
    appearance: none;
    background: none;
    border: 1px solid rgba(244, 241, 234, 0.3);
    border-radius: 999px;
    padding: 12px 20px;
    color: var(--cloud);
    font: 500 0.88rem/1 var(--body);
    cursor: pointer;
  }
  .sent button:hover { border-color: var(--amber); }

  .fallback-note {
    position: fixed;
    left: 50%; bottom: 90px;
    transform: translateX(-50%);
    font-size: 0.78rem;
    color: var(--cloud-dim);
    display: none;
    z-index: 4;
  }

  @media (max-width: 820px) {
    .claim h1 { white-space: normal; text-wrap: balance; }
    .claim h1 br { display: none; }
    .overlay-inner { grid-template-columns: 1fr; gap: 44px; padding-top: 100px; }
    .row { grid-template-columns: 1fr; }
    .intro .direct { margin-top: 28px; }
    .mail { display: none; }
    .logo span { display: none; }
    .contact-link { padding: 10px 16px; }
    .overlay { clip-path: circle(0px at calc(100% - 60px) 40px); }
    .overlay.open { clip-path: circle(180% at calc(100% - 60px) 40px); }
  }

  @media (prefers-reduced-motion: reduce) {
    .overlay, .overlay.open { transition: clip-path .01s, visibility 0s; }
    .contact-link, .close .x-mark, .send, .send svg { transition: none; }
  }