@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: #f8f2e5;
  --paper-strong: #f1e7d5;
  --ink: #2a2114;
  --ink-soft: #6f5a3c;
  --line: #c8b189;
  --line-strong: #a78857;
  --accent: #b07b2d;
  --accent-deep: #8b5c1c;
  --accent-soft: #f0d4a2;
  --shadow: rgba(78, 49, 13, 0.12);
  --ok: #2f6e52;
  --warn: #9a2d1f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at 16% 0%, rgba(240, 212, 162, 0.5) 0%, transparent 40%),
    linear-gradient(180deg, #fffdf8 0%, #f7efdf 100%);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
}

a {
  color: inherit;
  text-decoration-color: rgba(141, 99, 40, 0.75);
  text-underline-offset: 2px;
}

.site-shell {
  width: min(1080px, 100% - 32px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(248, 242, 229, 0.85);
  border-bottom: 1px solid rgba(167, 136, 87, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}

.brand {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #503410;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: #765f3e;
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--accent-deep);
  background: linear-gradient(180deg, #c99644 0%, #9e6825 100%);
  color: #fffaf0;
}

.btn-secondary {
  background: rgba(255, 253, 246, 0.95);
  color: #62431a;
}

.btn:hover {
  filter: brightness(1.03);
}

.page {
  padding: 24px 0 60px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: start;
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 235, 216, 0.74));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 4px 14px var(--shadow);
}

.hero-title {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: clamp(30px, 4.8vw, 50px);
  line-height: 1.03;
  color: #4e3210;
}

.hero-copy {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.hero-ctas {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.kpi-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.kpi {
  border: 1px solid rgba(176, 123, 45, 0.25);
  border-radius: 8px;
  background: rgba(240, 212, 162, 0.24);
  padding: 9px 10px;
}

.kpi-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #9b7a4b;
}

.kpi-value {
  margin-top: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: #5a4120;
}

.section {
  margin-top: 18px;
}

.section-title {
  margin: 0 0 8px;
  font-family: 'Fraunces', serif;
  font-size: 31px;
  color: #4f3310;
}

.section-copy {
  margin: 0;
  color: #6b573a;
  line-height: 1.55;
}

.grid-2 {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-title {
  margin: 0 0 6px;
  font-family: 'Fraunces', serif;
  font-size: 20px;
  color: #563811;
}

.feature-copy {
  margin: 0;
  color: #6d5736;
  line-height: 1.5;
  font-size: 14px;
}

.tool-shell {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(246, 235, 216, 0.7));
}

.tool-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 12px;
  color: #745d3b;
}

.calc-row {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.7fr auto;
  gap: 8px;
}

.field,
.select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 10px;
  color: var(--ink);
  background: rgba(255, 252, 246, 0.95);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  outline: none;
}

.field::placeholder {
  color: #8a7554;
}

.field:focus,
.select:focus,
.btn:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(176, 123, 45, 0.24);
}

.result {
  margin-top: 10px;
}

.status {
  font-size: 13px;
  color: #7a6240;
}

.result-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: 8px;
  background: rgba(240, 212, 162, 0.28);
  border: 1px solid rgba(176, 123, 45, 0.32);
}

.result-primary {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  color: #4e3310;
  font-weight: 700;
}

.result-secondary {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  color: #6d4a19;
  white-space: nowrap;
}

.result-actions {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.result-link {
  border: 0;
  background: none;
  padding: 0;
  font-size: 12px;
  color: #7b5a2a;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  font-family: 'IBM Plex Sans', sans-serif;
}

.result-details {
  margin-top: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #6f5a3c;
  line-height: 1.45;
}

.strip {
  margin-top: 20px;
  border: 1px solid rgba(176, 123, 45, 0.36);
  border-radius: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(240, 212, 162, 0.24), rgba(255, 251, 241, 0.78));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.strip-title {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 23px;
  color: #533512;
}

.strip-copy {
  margin: 6px 0 0;
  color: #6d5839;
  font-size: 14px;
}

.table-wrap {
  margin-top: 10px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid rgba(167, 136, 87, 0.35);
  text-align: left;
  padding: 11px 8px;
  vertical-align: top;
}

th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #84663a;
}

td strong {
  font-family: 'Fraunces', serif;
  color: #4f3411;
  font-size: 20px;
}

.badge {
  display: inline-block;
  border: 1px solid rgba(176, 123, 45, 0.35);
  border-radius: 999px;
  padding: 2px 7px;
  font-size: 11px;
  color: #7b5e31;
  background: rgba(240, 212, 162, 0.2);
}

.legal-copy {
  margin: 0;
  font-size: 14px;
  color: #6f5a3b;
  line-height: 1.65;
}

.footer {
  border-top: 1px solid rgba(167, 136, 87, 0.3);
  padding: 20px 0 26px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-copy {
  margin: 0;
  color: #8f744f;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: reveal-up 420ms ease forwards;
}

.reveal-delay-1 {
  animation-delay: 50ms;
}

.reveal-delay-2 {
  animation-delay: 100ms;
}

@keyframes reveal-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-gate-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.site-gate-card {
  width: min(460px, 100%);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 20px 18px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94) 0%, rgba(246, 234, 214, 0.9) 100%),
    repeating-linear-gradient(90deg, rgba(176, 123, 45, 0.04) 0 2px, transparent 2px 6px);
  box-shadow: 0 10px 24px rgba(78, 49, 13, 0.2);
}

.site-gate-title {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 33px;
  line-height: 1.02;
  color: #4d3310;
}

.site-gate-copy {
  margin: 10px 0 0;
  color: #6d583a;
  font-size: 14px;
}

.site-gate-form {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.site-gate-input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  color: var(--ink);
  background: rgba(255, 252, 246, 0.95);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  outline: none;
}

.site-gate-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(176, 123, 45, 0.24);
}

.site-gate-error {
  margin: 10px 0 0;
  color: var(--warn);
  font-size: 12px;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .calc-row {
    grid-template-columns: 1fr 0.8fr 0.8fr;
  }

  .calc-row .btn {
    grid-column: span 3;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .result-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(1080px, 100% - 22px);
  }

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

  .brand {
    font-size: 22px;
  }

  .section-title {
    font-size: 27px;
  }

  .hero-title {
    font-size: clamp(30px, 10vw, 40px);
  }
}