:root {
  --bg: #eff2f1;
  --bg-strong: #e2e7e6;
  --surface: #ffffff;
  --surface-muted: #f6f7f7;
  --surface-dark: #2f2f2f;
  --text: #202020;
  --text-soft: #626262;
  --text-inverse: #f7f7f7;
  --accent: #ff7100;
  --accent-strong: #b45000;
  --accent-soft: rgba(255, 113, 0, 0.12);
  --success-soft: rgba(52, 125, 77, 0.12);
  --warning-soft: rgba(255, 201, 154, 0.42);
  --danger-soft: rgba(173, 53, 35, 0.12);
  --line: rgba(32, 32, 32, 0.12);
  --line-strong: rgba(32, 32, 32, 0.2);
  --shadow: 0 18px 48px rgba(18, 24, 29, 0.08);
  --radius-lg: 10px;
  --radius-md: 6px;
  --radius-sm: 4px;
  --content-width: 1180px;
  --heading-font: "Inter", "Segoe UI", Arial, sans-serif;
  --body-font: "Inter", "Segoe UI", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 14px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--body-font);
  background:
    linear-gradient(180deg, rgba(255, 113, 0, 0.08), transparent 22%),
    linear-gradient(180deg, #f8f9f9 0%, var(--bg) 100%);
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  display: inline-block;
  padding: 0.15rem 0.35rem;
  font-size: 0.94rem;
  background: rgba(32, 32, 32, 0.08);
  border-radius: var(--radius-sm);
}

.site-shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  padding: 1rem 0 1.8rem;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 0.9rem 1.1rem;
  color: var(--text-inverse);
  background: var(--surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.brandmark {
  display: inline-flex;
  flex-direction: column;
  gap: 0.18rem;
  color: inherit;
}

.brandmark:hover {
  text-decoration: none;
}

.brandmark__title,
h1,
h2 {
  font-family: var(--heading-font);
}

.brandmark__title {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brandmark__subtitle {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.72);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  padding-bottom: 0.25rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.84rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.site-nav a:hover {
  color: #ffffff;
  text-decoration: none;
  border-color: var(--accent);
}

.site-main {
  display: grid;
  gap: 1rem;
}

.hero-panel,
.content-grid,
.support-shell {
  display: grid;
  gap: 1rem;
}

.hero-panel {
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
  padding: 1.3rem;
  color: var(--text-inverse);
  background:
    linear-gradient(135deg, rgba(255, 113, 0, 0.96), rgba(202, 93, 8, 0.96)),
    linear-gradient(45deg, rgba(0, 0, 0, 0.14), transparent);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-panel__content,
.hero-panel__aside,
.support-aside,
.link-stack,
.feature-list,
.token-form,
.security-form,
.support-form,
.support-form__grid {
  display: grid;
  gap: 0.8rem;
}

.hero-panel__aside {
  align-content: start;
}

.eyebrow {
  margin: 0;
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: inherit;
}

h1,
h2 {
  margin: 0;
  line-height: 1;
}

h1 {
  font-size: clamp(1.55rem, 2.8vw, 2.85rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
}

.hero-copy,
.page-intro p,
.info-card p,
.status-card p,
.muted-note,
.detail-list dd,
.support-note p {
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.38;
}

.hero-copy,
.hero-panel .muted-note,
.hero-panel .metric-card,
.hero-panel .metric-card__label {
  color: rgba(255, 255, 255, 0.88);
}

.token-form__row {
  display: flex;
  gap: 0.65rem;
}

label {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
}

input[type="text"],
input[type="search"],
input[type="number"],
input:not([type]),
textarea {
  width: 100%;
  min-width: 0;
  padding: 0.72rem 0.82rem;
  color: var(--text);
  font: inherit;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

textarea {
  min-height: 8.5rem;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 113, 0, 0.16);
  background: #fffefc;
}

button,
.link-stack a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  padding: 0.58rem 0.82rem;
  color: #ffffff;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 20px rgba(180, 80, 0, 0.18);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

button:hover,
.link-stack a:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(180, 80, 0, 0.16);
}

.link-stack a {
  width: fit-content;
}

.field-error {
  color: #a33321;
  font-size: 0.84rem;
}

.validation-summary {
  display: grid;
  gap: 0.35rem;
  color: #a33321;
}

.validation-summary:empty {
  display: none;
}

.metric-card,
.info-card,
.status-card,
.page-intro {
  padding: 0.92rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.page-intro {
  display: grid;
  gap: 0.42rem;
  border-top: 4px solid var(--accent);
}

.page-intro .eyebrow {
  color: var(--accent-strong);
}

.metric-card {
  gap: 0.35rem;
  padding: 0.82rem;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.metric-card__label {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.metric-card strong {
  display: block;
  font-size: 0.76rem;
  line-height: 1.2;
}

.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.support-shell {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.9fr);
}

.support-form-card {
  border-top: 4px solid var(--accent);
}

.support-form__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.support-form__group {
  display: grid;
  gap: 0.28rem;
}

.support-form__group--wide {
  grid-column: 1 / -1;
}

.support-form__actions {
  display: flex;
  justify-content: flex-start;
}

.support-note {
  padding: 0.72rem;
  background: var(--surface-muted);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
}

.support-note strong {
  display: inline-block;
  margin-bottom: 0.25rem;
}

.feature-list {
  margin: 0;
  padding-left: 1rem;
  font-size: 0.88rem;
  line-height: 1.35;
}

.feature-list li {
  color: var(--text-soft);
  padding-left: 0.1rem;
}

.detail-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: minmax(140px, 185px) 1fr;
  gap: 0.7rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(32, 32, 32, 0.08);
}

.detail-list div:first-child {
  padding-top: 0;
  border-top: none;
}

.detail-list dt {
  font-size: 0.82rem;
  font-weight: 700;
}

.detail-list dd {
  margin: 0;
}

.status-card {
  display: grid;
  gap: 0.28rem;
  border-left: 4px solid transparent;
}

.status-card--success {
  background: linear-gradient(180deg, rgba(238, 248, 241, 0.96), rgba(244, 250, 246, 0.96));
  border-left-color: #347d4d;
}

.status-card--warning {
  background: linear-gradient(180deg, rgba(255, 249, 242, 0.96), rgba(255, 245, 235, 0.96));
  border-left-color: var(--accent);
}

.status-card--error {
  background: linear-gradient(180deg, rgba(255, 244, 242, 0.96), rgba(255, 237, 233, 0.96));
  border-left-color: #a33321;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.checkbox-row input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  accent-color: var(--accent);
}

.captcha-block {
  padding-top: 0.25rem;
}

.site-footer {
  display: grid;
  gap: 0.25rem;
  margin-top: 0.95rem;
  padding: 0.78rem 0.9rem;
  background: var(--surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.site-footer p,
.site-footer a,
.site-footer span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.76);
}

.site-footer a:hover {
  color: #ffffff;
}

.anti-spam-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: panel-enter 420ms ease forwards;
}

@keyframes panel-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .site-header,
  .hero-panel,
  .content-grid,
  .support-shell,
  .support-form__grid {
    grid-template-columns: 1fr;
  }

  .token-form__row {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--content-width));
    padding-top: 0.75rem;
  }

  .site-header {
    gap: 1rem;
    padding: 0.9rem;
  }

  .hero-panel,
  .metric-card,
  .info-card,
  .status-card,
  .page-intro,
  .site-footer {
    padding: 0.9rem;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  h1 {
    max-width: none;
  }
}