:root {
  color-scheme: light;
  --neutral100: #ffffff;
  --neutral200: #f5f7fa;
  --neutral300: #e8e8e6;
  --neutral500: #9aa5b1;
  --neutral600: #7b8794;
  --neutral800: #3e4c59;
  --neutral900: #1f2933;
  --primary100: #f0f4f1;
  --primary300: #b8c9bc;
  --primary500: #63aa61;
  --secondary400: #456682;
  --accent200: #b2f5ea;
  --accent400: #2b5d96;
  --error: #c53030;
  --ink: var(--neutral900);
  --ink-soft: var(--neutral800);
  --muted: var(--neutral600);
  --accent: var(--primary500);
  --accent-strong: var(--secondary400);
  --surface: var(--neutral200);
  --surface-strong: var(--neutral100);
  --stroke: var(--neutral300);
  --shadow: 0 18px 45px rgba(31, 41, 51, 0.12);
  --radius-lg: 0px;
  --radius-md: 0px;
  --radius-sm: 0px;
  --font-body: "Jost", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Jost", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: #e8e8e6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 0;
  object-fit: contain;
  box-shadow: 0 12px 26px rgba(99, 170, 97, 0.22);
  background: transparent;
  padding: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.card {
  background: var(--surface-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  animation: fadeUp 0.5s ease both;
}

.card.soft {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
}

.card h1,
.card h2,
.card h3 {
  font-family: var(--font-display);
  margin: 0 0 12px;
}

.card p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.muted {
  color: var(--muted);
}

.button,
button {
  appearance: none;
  border: none;
  background: #63aa62;
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: none;
}

button.secondary,
.button.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--stroke);
  box-shadow: none;
}

button.ghost,
.button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px dashed rgba(99, 170, 97, 0.4);
  box-shadow: none;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

label {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input,
select {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  font-size: 15px;
  font-family: var(--font-body);
  background: var(--neutral100);
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(99, 170, 97, 0.65);
  box-shadow: 0 0 0 3px rgba(99, 170, 97, 0.15);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 0;
  font-size: 12px;
  background: rgba(99, 170, 97, 0.12);
  color: var(--accent);
  font-weight: 600;
}

.code {
  font-family: "Space Grotesk", monospace;
  font-size: 14px;
  background: #0b1324;
  color: #e2e8f0;
  padding: 10px 12px;
  border-radius: 0;
  display: block;
  word-break: break-all;
}

.notice {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #ecfdf3;
  border: 1px solid var(--primary300);
  color: #0f172a;
}

.notice.error {
  background: #fff5f5;
  border-color: #fed7d7;
  color: var(--error);
}

.error {
  color: #b91c1c;
}

.stagger > * {
  animation: fadeUp 0.6s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
}