:root {
  --paper: #e9dfc8;
  --light: #fbfaf6;
  --ink: #122c38;
  --terra: #c54d28;
  --ready: #89b84f;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, sans-serif;
  --mono: "Courier New", monospace;
}

* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; background: var(--light); color: var(--ink); font-family: var(--sans); }
.login-shell { display: grid; min-height: 100vh; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); }
.login-intro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
  padding: clamp(30px, 5vw, 72px);
  border-right: 1px solid var(--ink);
  background-color: var(--light);
  background-image:
    linear-gradient(rgba(18, 44, 56, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 44, 56, .055) 1px, transparent 1px),
    linear-gradient(rgba(18, 44, 56, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 44, 56, .12) 1px, transparent 1px);
  background-size: 18px 18px, 18px 18px, 90px 90px, 90px 90px;
}
.brand p, .brand strong { display: block; margin: 0; font-family: var(--serif); font-weight: 400; }
.brand p { font-size: 23px; }
.brand strong { color: var(--terra); font-size: 43px; line-height: .9; }
.eyebrow { margin: 0; font: 400 10px var(--mono); letter-spacing: .12em; }
.intro-copy { max-width: 650px; padding: 70px 0; }
.intro-copy h1 { margin: 20px 0 26px; font: 400 clamp(58px, 8vw, 110px)/.82 var(--serif); letter-spacing: -.055em; }
.intro-copy h1 em { color: var(--terra); font-style: normal; }
.intro-copy > p:last-child { max-width: 460px; margin: 0; color: rgba(18, 44, 56, .72); font-size: 15px; line-height: 1.55; }
.privacy-note { display: flex; align-items: center; gap: 10px; font: 400 10px var(--mono); letter-spacing: .06em; }
.privacy-note span { width: 9px; height: 9px; border-radius: 50%; background: var(--ready); box-shadow: 0 0 0 4px rgba(137, 184, 79, .16); }
.login-panel { position: relative; display: grid; min-height: 100vh; place-items: center; padding: clamp(32px, 7vw, 92px); background: var(--paper); }
.login-panel::before { position: absolute; inset: 22px; border: 1px solid rgba(18, 44, 56, .22); content: ""; pointer-events: none; }
.panel-number { position: absolute; top: 35px; right: 40px; color: rgba(18, 44, 56, .42); font: 400 11px var(--mono); }
.form-wrap { position: relative; z-index: 1; width: min(100%, 430px); }
.form-wrap h2 { margin: 13px 0 32px; font: 400 48px/1 var(--serif); letter-spacing: -.035em; }
.message { margin: -12px 0 24px; padding: 11px 13px; border-left: 3px solid var(--terra); background: rgba(197, 77, 40, .09); color: #7f2c16; font-size: 13px; line-height: 1.4; }
form { display: grid; }
label { margin: 0 0 8px; font: 500 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
input { width: 100%; margin: 0 0 22px; padding: 14px 2px 12px; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; outline: none; background: transparent; color: var(--ink); font: 17px var(--sans); }
input:focus { border-bottom: 2px solid var(--terra); padding-bottom: 11px; }
button { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 10px; padding: 15px 18px; border: 1px solid var(--ink); border-radius: 3px; background: var(--ink); color: var(--light); cursor: pointer; font: 500 13px var(--sans); transition: background .18s, color .18s, transform .18s; }
button:hover { background: var(--terra); transform: translateY(-1px); }
button:disabled { cursor: wait; opacity: .55; transform: none; }
button:focus-visible { outline: 3px solid var(--terra); outline-offset: 3px; }
button span { font-size: 20px; line-height: 1; }
.help { margin: 25px 0 0; color: rgba(18, 44, 56, .62); font-size: 11px; line-height: 1.5; }

@media (max-width: 760px) {
  .login-shell { display: block; }
  .login-intro { min-height: 39vh; padding: 26px 24px 34px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .brand p { font-size: 18px; }
  .brand strong { font-size: 34px; }
  .intro-copy { padding: 54px 0 10px; }
  .intro-copy h1 { margin: 13px 0 18px; font-size: clamp(52px, 17vw, 76px); }
  .intro-copy > p:last-child { font-size: 13px; }
  .privacy-note { display: none; }
  .login-panel { min-height: 61vh; padding: 64px 42px 58px; place-items: start stretch; }
  .login-panel::before { inset: 14px; }
  .panel-number { top: 26px; right: 28px; }
  .form-wrap { margin: auto; }
  .form-wrap h2 { margin-bottom: 27px; font-size: 42px; }
}