* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--color-ink);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 22%, rgba(202, 123, 70, 0.11), transparent 34rem),
    linear-gradient(128deg, #e5e2dc 0%, #f5f3ef 54%, #dddad4 100%);
  color: var(--color-page-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

.shell {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto;
  padding: clamp(1.4rem, 3.2vw, 3rem);
  overflow: hidden;
}

.shell::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image:
    linear-gradient(rgba(24, 21, 18, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 21, 18, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to right, black, transparent 78%);
}

.shell::after {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: linear-gradient(90deg, transparent 0 50%, rgba(25, 22, 19, 0.045) 50% 50.12%, transparent 50.12%);
  content: "";
  transform: skewX(-11deg) scale(1.2);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-page-text);
  text-decoration: none;
}

.brand__mark {
  width: 2rem;
  height: 2rem;
  flex: none;
  border-radius: 50%;
  box-shadow: 0 3px 12px rgba(70, 40, 27, 0.18);
  object-fit: cover;
}

.brand__name {
  display: grid;
  gap: 0.08rem;
  font-size: 0.75rem;
  font-weight: 670;
  letter-spacing: 0.22em;
  line-height: 1;
  text-transform: uppercase;
}

.brand__name span:last-child {
  color: var(--color-page-muted);
  font-size: 0.61rem;
  letter-spacing: 0.32em;
}

.watermark {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: clamp(-10rem, -4vw, -3rem);
  width: min(64vw, 48rem);
  border-radius: 50%;
  opacity: 0.68;
  filter: saturate(0.9) contrast(1.04);
  mix-blend-mode: multiply;
  object-fit: contain;
  pointer-events: none;
  transform: translateY(-48%) rotate(-3deg);
}

.main {
  display: grid;
  width: min(100%, 76rem);
  margin: auto;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 28rem);
  gap: clamp(3rem, 8vw, 10rem);
}

.intro {
  align-self: end;
  padding-bottom: clamp(1rem, 6vh, 5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.15rem;
  color: var(--color-copper-dark);
  font-size: 0.69rem;
  font-weight: 720;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2.25rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.intro h1 {
  max-width: 8ch;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 7.8vw, 7.2rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.86;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

.intro h1 em {
  color: var(--color-copper-dark);
  font-weight: 400;
}

.panel {
  position: relative;
  border: 1px solid var(--color-panel-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  color: var(--color-text);
  padding: clamp(2rem, 5vw, 3.5rem);
  backdrop-filter: blur(22px);
}

.panel::before {
  position: absolute;
  top: -1px;
  left: 2.5rem;
  width: 4.75rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-copper-dark), var(--color-copper-bright));
  content: "";
}

.panel__number {
  display: block;
  margin-bottom: clamp(3rem, 8vh, 6rem);
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.panel h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.panel__copy {
  margin: 0 0 2.2rem;
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

.login-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.6rem;
}

.field__label {
  color: var(--color-text-muted);
  font-size: 0.69rem;
  font-weight: 680;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.field__input {
  width: 100%;
  border: 1px solid rgba(240, 232, 218, 0.16);
  border-radius: var(--radius-control);
  outline: 0;
  background: rgba(4, 6, 7, 0.58);
  color: var(--color-text);
  padding: 0.95rem 1rem;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.field__input::placeholder {
  color: #6d6c69;
}

.field__input:hover {
  border-color: rgba(240, 232, 218, 0.28);
}

.field__input:focus {
  border-color: var(--color-focus);
  background: rgba(4, 6, 7, 0.82);
  box-shadow: 0 0 0 3px rgba(202, 123, 70, 0.14);
}

.field__input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.field__error {
  min-height: 1.1rem;
  margin: -0.25rem 0 0;
  color: var(--color-error);
  font-size: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-control);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-copper);
  color: #130c08;
  cursor: pointer;
  padding: 0.8rem 1rem 0.8rem 1.15rem;
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms var(--ease-out);
}

.button:hover {
  border-color: var(--color-copper-bright);
  background: var(--color-copper-bright);
  transform: translateY(-2px);
}

.button:focus-visible {
  outline: 3px solid rgba(239, 176, 131, 0.32);
  outline-offset: 3px;
}

.button svg {
  width: 1rem;
  height: 1rem;
  transition: transform 180ms var(--ease-out);
}

.button:hover svg {
  transform: translateX(3px);
}

.button--link {
  text-decoration: none;
}

.security-note {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 1.2rem 0 0;
  color: #85837f;
  font-size: 0.72rem;
  line-height: 1.5;
}

.security-note svg {
  width: 0.9rem;
  height: 0.9rem;
  flex: none;
  margin-top: 0.1rem;
  color: var(--color-copper-bright);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-page-muted);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.footer a {
  color: #4c4844;
  text-decoration-color: transparent;
  text-underline-offset: 0.24em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--color-page-text);
  text-decoration-color: var(--color-copper);
}

.not-found-shell {
  place-items: center;
}

.not-found-panel {
  max-width: 32rem;
}

@media (max-width: 820px) {
  .main {
    width: min(100%, 31rem);
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-block: 3rem;
  }

  .intro {
    align-self: auto;
    padding: 0;
  }

  .intro h1 {
    max-width: 7ch;
    font-size: clamp(3.4rem, 16vw, 5.8rem);
  }

  .panel__number {
    margin-bottom: 2.75rem;
  }

  .watermark {
    top: 27%;
    left: -9rem;
    width: 34rem;
    opacity: 0.35;
  }
}

@media (max-width: 480px) {
  .shell {
    padding: 1.2rem;
  }

  .main {
    padding-block: 3.25rem 2.75rem;
  }

  .panel {
    margin-inline: -0.2rem;
    padding: 1.75rem;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}