:root {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  color: #222538;
  background: #f7f8fa;
  font-synthesis: none;
  --accent: #6054dc;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.site-header {
  max-width: 1200px;
  margin: auto;
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  font-size: 26px;
  font-weight: 750;
  letter-spacing: -1px;
}
.brand-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--accent);
  border-radius: 12px;
  color: white;
  margin-right: 11px;
  box-shadow: 0 5px 12px #6054dc20;
}
.brand-dot {
  color: var(--accent);
}
.header-note {
  font-size: 12px;
  color: #838797;
  letter-spacing: 1px;
}
main {
  max-width: 1120px;
  margin: 48px auto 68px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
  padding: 0 24px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 1.6px;
  color: #77728d;
}
.eyebrow > span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8d80e6;
}
h1 {
  font-size: 52px;
  line-height: 1.4;
  letter-spacing: 1px;
  margin: 23px 0 18px;
  font-weight: 750;
}
h1 > span {
  color: var(--accent);
}
.intro > p {
  font-size: 15px;
  line-height: 1.95;
  color: #808392;
  margin: 0;
}
.intro-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: #898b9b;
}
.tiny-line {
  width: 22px;
  height: 1px;
  background: #aca6ce;
}
.mail-art {
  height: 240px;
  position: relative;
  width: 310px;
  margin: 14px 0 10px;
}
.orbit {
  border: 1px solid #e9e7f2;
  border-radius: 50%;
  position: absolute;
  left: 25px;
  top: 24px;
  width: 235px;
  height: 190px;
  transform: rotate(-28deg);
}
.orbit-two {
  width: 285px;
  height: 130px;
  left: 0;
  top: 55px;
  transform: rotate(25deg);
}
.letter {
  position: absolute;
  width: 128px;
  height: 134px;
  left: 80px;
  top: 36px;
  background: #fff;
  border: 1px solid #eeeaf8;
  border-radius: 8px;
  transform: rotate(-10deg);
  padding: 21px;
  box-shadow: 0 8px 30px #6252aa0b;
}
.letter-mark {
  display: block;
  width: 23px;
  height: 7px;
  background: #c4b9f1;
  border-radius: 2px;
  margin-bottom: 17px;
}
.letter i {
  display: block;
  height: 4px;
  background: #e9e5f4;
  margin: 9px 0;
  border-radius: 3px;
}
.letter i:last-child {
  width: 65%;
}
.envelope {
  position: absolute;
  width: 168px;
  height: 110px;
  left: 63px;
  top: 98px;
  background: #d7cef6;
  border-radius: 8px;
  transform: rotate(-10deg);
  overflow: hidden;
  box-shadow: 0 18px 25px #7863af17;
}
.envelope:before,
.envelope:after {
  content: "";
  position: absolute;
  inset: 0;
  background: #e5dff8;
  clip-path: polygon(0 0, 55% 58%, 0 100%);
}
.envelope:after {
  background: #ded6f5;
  clip-path: polygon(100% 0, 45% 58%, 100% 100%);
}
.envelope span {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #eee9fc;
  clip-path: polygon(0 100%, 50% 40%, 100% 100%);
}
.spark {
  position: absolute;
  color: #b4a7e1;
}
.spark-one {
  left: 245px;
  top: 54px;
  font-size: 25px;
}
.spark-two {
  left: 22px;
  top: 144px;
  font-size: 22px;
}
.art-badge {
  position: absolute;
  left: 210px;
  top: 164px;
  width: 37px;
  height: 37px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: white;
  color: var(--accent);
  font-size: 23px;
  box-shadow: 0 4px 18px #6054dc15;
}
.composer {
  background: #fff;
  border: 1px solid #e9eaf0;
  border-radius: 22px;
  padding: 32px;
  box-shadow: 0 12px 50px #25284b06;
}
.composer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 29px;
}
.section-kicker {
  font-size: 9px;
  letter-spacing: 2px;
  color: #9294a4;
  font-weight: 600;
}
h2 {
  font-size: 23px;
  margin: 9px 0 0;
  font-weight: 650;
}
.compose-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #f4f2fd;
  color: var(--accent);
  font-size: 25px;
}
.address-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}
.field label span {
  font-size: 10px;
  color: #979aaa;
  font-weight: 400;
  margin-left: 5px;
}
input,
textarea {
  font: inherit;
  font-size: 12px;
  width: 100%;
  color: #353748;
  background: #fcfcfe;
  border: 1px solid #e6e7ef;
  border-radius: 8px;
  padding: 13px 12px;
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
input::placeholder,
textarea::placeholder {
  color: #a3a6b3;
}
input:focus,
textarea:focus {
  border-color: #9d91e9;
  box-shadow: 0 0 0 3px #6054dc0d;
}
.field-hint {
  font-size: 10px;
  color: #9396a6;
  margin: 10px 0 23px;
}
.subject-field {
  margin-bottom: 24px;
}
.editor {
  border: 1px solid #e6e7ef;
  border-radius: 9px;
  background: #fcfcfe;
  overflow: hidden;
}
.editor:focus-within {
  border-color: #9d91e9;
  box-shadow: 0 0 0 3px #6054dc0d;
}
textarea {
  display: block;
  min-height: 188px;
  resize: vertical;
  border: 0;
  border-radius: 0;
  line-height: 1.9;
  padding: 15px;
}
textarea:focus {
  box-shadow: none;
}
.editor-footer {
  display: flex;
  justify-content: space-between;
  padding: 11px 14px;
  color: #9b9eac;
  font-size: 10px;
  border-top: 1px solid #eff0f5;
}
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 25px;
}
.send-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: #9396a6;
}
.send-note svg {
  width: 14px;
  height: 14px;
}
button {
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 13px 20px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 9px #6054dc20;
  transition:
    background 0.15s,
    transform 0.15s;
}
button:hover {
  background: #5144c9;
  transform: translateY(-1px);
}
button:disabled {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}
button svg {
  width: 16px;
  height: 16px;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid #bcb3f4;
  outline-offset: 4px;
}
.result {
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
  background: #f1effb;
  color: #6255aa;
}
.result[data-state="error"] {
  background: #fff0ee;
  color: #b14336;
}
.result[data-state="success"] {
  background: #edf8f1;
  color: #287349;
}
.site-footer {
  max-width: 1120px;
  margin: auto;
  padding: 24px;
  border-top: 1px solid #e8e9ef;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #9396a4;
  font-size: 10px;
}
.site-footer a {
  color: #626676;
}
.footer-divider {
  margin: 0 10px;
  color: #cccdd6;
}
@media (min-width: 1400px) {
  main {
    margin-top: 80px;
    margin-bottom: 90px;
  }
}
@media (max-width: 900px) {
  main {
    gap: 30px;
    grid-template-columns: 0.75fr 1.25fr;
  }
  h1 {
    font-size: 40px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 0.5px;
  }
  .mail-art {
    transform: scale(0.85);
    transform-origin: left center;
    width: 240px;
  }
  .composer {
    padding: 25px;
  }
  .address-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}
@media (max-width: 650px) {
  .site-header {
    padding: 24px;
  }
  .header-note {
    font-size: 10px;
    letter-spacing: 0;
  }
  .brand {
    font-size: 23px;
  }
  main {
    display: block;
    margin: 25px auto 35px;
    padding: 0 20px;
  }
  .intro {
    margin: 0 4px 30px;
  }
  h1 {
    font-size: 38px;
    margin: 14px 0 12px;
  }
  h1 br {
    display: none;
  }
  .intro > p {
    font-size: 13px;
  }
  .intro > p br {
    display: none;
  }
  .mail-art,
  .intro-foot {
    display: none;
  }
  .composer {
    padding: 24px 20px;
    border-radius: 16px;
  }
  .address-grid {
    grid-template-columns: 1fr;
  }
  .composer-heading {
    margin-bottom: 24px;
  }
  textarea {
    min-height: 200px;
  }
  .site-footer {
    margin: 0 20px;
    padding: 20px 0;
    flex-direction: column;
    gap: 10px;
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}