/* /contact — the Mail Room: the letter form, the pneumatic tube, the newsletter postcard. (content agent) */

body.page-contact { --ink-accent: var(--molten); --tm-wall: var(--soot-2); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) body.page-contact { --ink-accent: #A8480A; --tm-wall: #F3DFBF; }
  :root:not([data-theme="dark"]) body.page-contact .kicker { color: var(--ink-accent); }
}

.mailroom {
  display: grid; gap: clamp(24px, 4vw, 48px); align-items: start;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  grid-template-areas: "main side";
  padding-bottom: clamp(56px, 9vw, 120px);
}
.mail-main { grid-area: main; }
.mail-side { grid-area: side; display: grid; gap: clamp(22px, 3vw, 34px); }
@media (max-width: 900px) {
  .mailroom { grid-template-columns: minmax(0, 1fr); grid-template-areas: "machine" "main" "postcard"; }
  .mail-side { display: contents; }
  .tube-machine { grid-area: machine; }
  .postcard { grid-area: postcard; }
}

/* ── the letter ───────────────────────────────────────────────────────── */
.letter { position: relative; overflow: hidden; padding-top: clamp(30px, 4vw, 42px); border-width: var(--stroke); }
body:not(.is-home) .letter.panel { border-color: var(--outline); box-shadow: 0 8px 0 rgba(0, 0, 0, .28); }
.letter::before { /* airmail stripes */
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 10px;
  background: repeating-linear-gradient(135deg, #FF5A5A 0 14px, #FFF3DF 14px 22px, #4F8CD1 22px 36px, #FFF3DF 36px 44px);
  border-bottom: 3px solid var(--outline);
}
.letter-top { margin-bottom: 1.2rem; }
.letter-title { font-size: var(--step-3); margin: 0 0 .15em; }
.letter-hint { color: var(--fg-muted); margin: 0; font-size: var(--step--1); }

.letter-form .field { margin-bottom: 1.15rem; }
.letter-form label, .newsletter-form label { font: 600 var(--step-0)/1.2 var(--font-display); letter-spacing: .01em; }
.letter-form input, .letter-form textarea, .letter-form select, .newsletter-form input {
  min-height: 50px; font-size: max(16px, var(--step-0)); border-width: 2.5px; border-radius: 14px;
}
.letter-form textarea { min-height: 11em; line-height: 1.55; }
.select { position: relative; }
.select select { appearance: none; -webkit-appearance: none; padding-right: 2.6em; cursor: pointer; }
.select::after {
  content: ''; position: absolute; right: 16px; top: 50%; width: 10px; height: 10px; margin-top: -7px; pointer-events: none;
  border-right: 3px solid var(--fg); border-bottom: 3px solid var(--fg); transform: rotate(45deg); border-radius: 1px;
}
.field.has-err input, .field.has-err textarea { border-color: var(--bad); box-shadow: 0 0 0 4px rgba(255, 90, 90, .18); }
.field .err { display: flex; align-items: center; gap: .45em; margin: 0; }
.field .err::before {
  content: '!'; display: inline-grid; place-items: center; flex: none; width: 1.35em; height: 1.35em; border-radius: 50%;
  background: var(--bad); color: #fff; font: 800 .8em/1 var(--font-body);
}
.field .err:not([hidden]) { animation: err-in .35s var(--spring); }
@keyframes err-in { 0% { transform: translateX(-6px); opacity: 0; } 100% { transform: none; opacity: 1; } }
.form-say {
  margin: 0 0 1.2rem; padding: .8em 1em; border-radius: 14px; font-weight: 700;
  background: rgba(255, 90, 90, .12); border: 2px solid rgba(255, 90, 90, .55); color: var(--fg);
}
.letter-send { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 1.4rem; }
.letter-send p { margin: 0; }
#letter-go[aria-busy="true"] { opacity: .8; cursor: progress; }
.shake-x { animation: shake-x .4s cubic-bezier(.36, .07, .19, .97); }
@keyframes shake-x { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* sent! */
.letter-done { text-align: center; padding: clamp(10px, 3vw, 30px) 0 6px; }
.letter-done:focus { outline: none; }
.letter-done h2 { font-size: var(--step-3); margin: .3em 0 .2em; }
.letter-done .done-say { color: var(--fg-muted); max-width: 36ch; margin: 0 auto 1.4em; font-size: var(--step-1); line-height: 1.45; }
.done-art { width: 140px; height: auto; margin: 0 auto; overflow: visible; }
.letter-done:not([hidden]) .done-art { animation: done-pop .7s var(--spring); }
@keyframes done-pop { 0% { transform: scale(.4) rotate(-20deg); opacity: 0; } 100% { transform: none; opacity: 1; } }

/* ── the pneumatic tube ───────────────────────────────────────────────── */
.tube-machine { text-align: center; }
.tube-poke {
  display: block; width: 100%; max-width: 360px; margin: 0 auto; padding: 0; border: 0; background: none; cursor: pointer;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent; border-radius: 26px;
}
.tube-art { width: 100%; height: auto; overflow: visible; }
.tm-wall { fill: var(--tm-wall); }
.tm-label { font: 700 12px/1 var(--font-display); letter-spacing: .14em; fill: #0D1120; }
.tube-caption { margin: .7em auto 0; max-width: 32ch; color: var(--fg-muted); font-size: var(--step--1); }
@media (max-width: 900px) {
  .tube-poke { max-width: 220px; }
  .tube-caption { display: none; }
}

.tube-art * { transform-box: view-box; }
.tm-needle { transform-origin: 240px 112px; animation: needle-idle 2.6s ease-in-out infinite alternate; }
@keyframes needle-idle { from { transform: rotate(-6deg); } to { transform: rotate(8deg); } }
.tube-machine.is-pressure .tm-needle { animation: needle-build .9s ease-in-out infinite alternate; }
@keyframes needle-build { from { transform: rotate(30deg); } to { transform: rotate(60deg); } }
.tube-machine.is-thwoomp .tm-needle { animation: needle-kick 1.1s var(--ease-out); }
@keyframes needle-kick { 0% { transform: rotate(10deg); } 20% { transform: rotate(118deg); } 45% { transform: rotate(80deg); } 70% { transform: rotate(100deg); } 100% { transform: rotate(0); } }
.tm-hatch { transform-origin: 120px 248px; transition: transform .35s var(--spring); }
.tube-machine.is-open .tm-hatch { transform: scaleX(.14); }
.tm-lever { transform-origin: 58px 224px; transition: transform .3s var(--spring); }
.tube-machine.is-pulled .tm-lever { transform: rotate(38deg); }
.tm-steam circle { transform-box: fill-box; transform-origin: center; opacity: 0; animation: tm-puff 6s ease-out infinite; }
.tm-steam circle:nth-child(2) { animation-delay: .15s; }
.tm-steam circle:nth-child(3) { animation-delay: .3s; }
@keyframes tm-puff { 0%, 80% { opacity: 0; transform: translate(0, 6px) scale(.3); } 86% { opacity: 1; transform: translate(0, 0) scale(1); } 100% { opacity: 0; transform: translate(8px, -16px) scale(1.4); } }
.tube-machine.is-thwoomp .tm-steam circle { animation: tm-puff-now .9s ease-out; }
@keyframes tm-puff-now { 0% { opacity: 0; transform: scale(.3); } 25% { opacity: 1; transform: scale(1.2); } 100% { opacity: 0; transform: translate(14px, -26px) scale(1.8); } }
.tube-machine.is-thwoomp .tube-art { animation: tm-shake .5s cubic-bezier(.36, .07, .19, .97); }
@keyframes tm-shake { 15%, 55% { transform: translateX(-3px) rotate(-.6deg); } 35%, 75% { transform: translateX(3px) rotate(.6deg); } }
.tube-poke:hover .tm-lever { transform: rotate(8deg); }
.tube-machine.is-off * { animation-play-state: paused !important; }

/* the flying letter → capsule (built by contact.js, fixed over the page) */
.tm-fly { position: fixed; z-index: 80; pointer-events: none; }
.tm-fly-paper {
  border: var(--stroke) solid var(--outline); border-radius: 18px; transform-origin: 50% 100%; overflow: hidden;
  background: repeating-linear-gradient(180deg, transparent 0 27px, rgba(79, 140, 209, .3) 27px 29px) 0 24px / 100% 100% no-repeat, #FFFDF6;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}
.tm-fly-text { padding: 28px 26px; font: 400 1.05rem/29px var(--font-body); color: #1D2238; white-space: pre-wrap; overflow: hidden; max-height: 100%; }
.tm-fly-roll {
  border: var(--stroke) solid var(--outline); border-radius: 99px;
  background: linear-gradient(180deg, #FFF3DF, #FFFDF6 35%, #E9DCC2 75%, #C9B89A);
}
.tm-fly-cap {
  border: var(--stroke) solid var(--outline); border-radius: 99px;
  background: linear-gradient(180deg, #E9CD8E, #C8A15A 45%, #8E6C30);
  box-shadow: inset 18px 0 0 -8px #9C7A3C, inset -18px 0 0 -8px #9C7A3C, 0 8px 16px rgba(0, 0, 0, .3);
}

/* ── the postcard (newsletter) ────────────────────────────────────────── */
.postcard {
  /* a real bit of card, the same in light and dark */
  --bg-2: #FFFFFF; --line: #D9C7A6; --fg: #1D2238; --fg-muted: #5A5F75; --link: #0B6E67;
  position: relative; color: var(--fg);
  background:
    linear-gradient(90deg, transparent calc(62% - 1px), rgba(13, 17, 32, .08) calc(62% - 1px) calc(62% + 1px), transparent calc(62% + 1px)),
    #FFF8EA;
  border: var(--stroke) solid var(--outline); border-radius: 10px;
  padding: 26px clamp(20px, 3vw, 28px) 20px;
  box-shadow: 0 8px 0 rgba(0, 0, 0, .25), 0 18px 30px rgba(0, 0, 0, .18);
  transform: rotate(-1deg);
}
.postcard a { color: var(--link); }
.pc-stamp { position: absolute; top: 16px; right: 16px; width: 56px; height: auto; transform: rotate(4deg); }
.pc-postmark { position: absolute; top: 12px; right: 56px; width: 92px; height: auto; color: rgba(160, 40, 40, .55); transform: rotate(-10deg); pointer-events: none; }
.pc-postmark text { font: 700 12px/1 var(--font-display); fill: currentColor; }
.pc-title { font-size: var(--step-2); margin: 0 0 .25em; padding-right: 110px; }
.pc-text { margin: 0 0 1em; padding-right: 64px; font-size: var(--step-0); }
.pc-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.pc-row .field { flex: 1 1 200px; margin: 0; }
.pc-row .btn { flex: none; min-height: 50px; }
.newsletter-form input { background: #fff; color: var(--fg); }
.nl-say { margin: .8em 0 0; font-weight: 700; }
.nl-say.is-bad { color: #C2262E; }
.nl-say.is-ok { color: #1E7A45; }
.pc-fine { margin: 1em 0 0; font-size: var(--step--1); color: var(--fg-muted); }
.pc-stamped {
  position: absolute; left: 50%; top: 46%; z-index: 2; pointer-events: none;
  padding: .25em .7em; border: 5px double #C2262E; border-radius: 12px; color: #C2262E;
  font: 700 clamp(1.4rem, 1.1rem + 1.4vw, 2rem)/1 var(--font-display); text-transform: uppercase; letter-spacing: .06em;
  transform: translate(-50%, -50%) rotate(-14deg); opacity: 0; mix-blend-mode: multiply;
  background: radial-gradient(circle at 30% 40%, transparent 0 40%, rgba(255, 248, 234, .35) 41%) ;
}
.postcard.is-stamped .pc-stamped { opacity: .9; animation: stamp-down .45s cubic-bezier(.2, 1.6, .5, 1); }
@keyframes stamp-down { 0% { transform: translate(-50%, -50%) rotate(-14deg) scale(2.6); opacity: 0; } 60% { opacity: .9; } 100% { transform: translate(-50%, -50%) rotate(-14deg) scale(1); opacity: .9; } }
.postcard.is-stamped .pc-row { opacity: .35; }
@media (max-width: 420px) {
  .pc-stamp { width: 42px; top: 10px; right: 10px; }
  .pc-title { padding-right: 56px; }
  .pc-text { padding-right: 0; }
  .pc-postmark { display: none; }
  .pc-row .btn { width: 100%; }
}
@media (max-width: 560px) { .postcard { background: #FFF8EA; } }