/* Plankworth — tool dashboard styles
   Brand palette: walnut + moss + sawdust amber on cream paper */

:root {
  --walnut: #5d3a1f;
  --walnut-dark: #3d2614;
  --walnut-light: #8a5a35;
  --moss: #4a6741;
  --moss-dark: #2f4729;
  --amber: #d9a55a;
  --amber-dark: #b8862f;
  --paper: #f8f3e8;
  --paper-2: #f0e8d5;
  --bark: #2a1f17;
  --grain: #c9b896;
  --error: #a13d2d;
  --success: #4a6741;

  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(42, 31, 23, 0.08), 0 4px 12px rgba(42, 31, 23, 0.06);
  --shadow-lg: 0 4px 16px rgba(42, 31, 23, 0.12), 0 12px 40px rgba(42, 31, 23, 0.08);

  --font-serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--paper);
  color: var(--bark);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(circle at 20% 10%, rgba(217, 165, 90, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(74, 103, 65, 0.05) 0%, transparent 40%);
  min-height: 100vh;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  color: var(--walnut-dark);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

h1 em { font-style: italic; color: var(--moss); }

h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.15;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

a { color: var(--walnut); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--walnut-dark); }

p { margin-bottom: 0.75rem; }
.muted { color: rgba(42, 31, 23, 0.55); font-size: 0.9em; }

/* ===== Header ===== */
.tool-header {
  background: var(--paper);
  border-bottom: 1px solid var(--grain);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(248, 243, 232, 0.92);
}

.tool-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--walnut-dark);
}

.logo img { height: 32px; width: 32px; }
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

nav { display: flex; gap: 20px; align-items: center; }
.nav-link {
  text-decoration: none;
  color: var(--bark);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-link:hover { color: var(--walnut); }
.nav-cta {
  background: var(--walnut);
  color: var(--paper) !important;
  padding: 8px 16px;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--walnut-dark); }

@media (max-width: 600px) {
  nav .nav-link:not(.nav-cta) { display: none; }
}

/* ===== Sections ===== */
section { padding: 64px 0; }
@media (max-width: 600px) { section { padding: 48px 0; } }

.hero {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 48px;
}

.kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--amber-dark);
  margin-bottom: 1rem;
}

.lede {
  font-size: 1.18rem;
  line-height: 1.55;
  max-width: 720px;
  margin: 1rem auto;
  color: rgba(42, 31, 23, 0.85);
}

.lede em { color: var(--moss); font-style: italic; }

/* ===== Buttons ===== */
.btn-primary, .btn-secondary {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  text-align: center;
}

.btn-primary {
  background: var(--walnut);
  color: var(--paper);
  box-shadow: 0 2px 8px rgba(93, 58, 31, 0.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--walnut-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(93, 58, 31, 0.35);
}
.btn-primary:disabled {
  background: var(--grain);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--walnut);
  border: 1.5px solid var(--walnut);
}
.btn-secondary:hover {
  background: var(--walnut);
  color: var(--paper);
}

.btn-large { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ===== Valuator card ===== */
.valuator {
  background: var(--paper-2);
  border-top: 1px solid var(--grain);
  border-bottom: 1px solid var(--grain);
}

.subhead {
  color: rgba(42, 31, 23, 0.7);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.valuator-card {
  background: var(--paper);
  border: 1px solid var(--grain);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 24px;
  box-shadow: var(--shadow);
}

.upload-zone {
  border: 2px dashed var(--grain);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  background: var(--paper-2);
  transition: border-color 0.2s ease, background 0.2s ease;
  margin-bottom: 24px;
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--walnut);
  background: rgba(217, 165, 90, 0.08);
}

.upload-zone.has-image { padding: 0; border-style: solid; }

.upload-prompt { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--bark); }
.upload-prompt svg { color: var(--walnut); margin-bottom: 8px; }
.upload-prompt p { margin: 0; }
.upload-prompt .btn-secondary { margin-top: 12px; }

#preview {
  display: none;
  max-width: 100%;
  max-height: 360px;
  border-radius: var(--radius-lg);
  object-fit: contain;
}
.upload-zone.has-image #preview { display: block; }
.upload-zone.has-image .upload-prompt { display: none; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: var(--bark);
}

.form-field label .muted { font-weight: 400; }

.form-field input {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1.5px solid var(--grain);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--bark);
  transition: border-color 0.15s ease;
}

.form-field input:focus {
  outline: none;
  border-color: var(--walnut);
}

.fine-print {
  margin-top: 12px;
  font-size: 0.82rem;
  color: rgba(42, 31, 23, 0.55);
  text-align: center;
}

/* ===== Results ===== */
.results {
  margin-top: 32px;
  padding: 32px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border: 1px solid var(--grain);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.results .species-banner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grain);
  margin-bottom: 24px;
}

.results .species-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--walnut-dark);
  font-weight: 600;
}

.results .confidence-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--moss);
  color: var(--paper);
}

.results .verdict-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
@media (max-width: 600px) { .results .verdict-row { grid-template-columns: 1fr; } }

.metric-card {
  background: var(--paper);
  border: 1px solid var(--grain);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.metric-card .metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(42, 31, 23, 0.6);
  margin-bottom: 6px;
}

.metric-card .metric-value {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--walnut-dark);
}

.metric-card.highlight { background: linear-gradient(180deg, #fbf5e7 0%, var(--paper-2) 100%); border-color: var(--amber); }
.metric-card.highlight .metric-value { color: var(--moss-dark); }

.payout-banner {
  background: var(--moss);
  color: var(--paper);
  padding: 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: 24px;
}
.payout-banner .payout-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.85;
  margin-bottom: 8px;
}
.payout-banner .payout-value {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  margin: 0;
}
.payout-banner .payout-sub {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-top: 6px;
}

.analysis-detail {
  background: var(--paper);
  border: 1px solid var(--grain);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.analysis-detail h4 {
  font-family: var(--font-serif);
  color: var(--walnut-dark);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.analysis-detail p { margin: 0; font-size: 0.95rem; }

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.cta-row .btn-primary, .cta-row .btn-secondary { flex: 1; min-width: 200px; }

/* ===== How it works ===== */
.how { background: var(--paper); }
.how h2 { text-align: center; margin-bottom: 2.5rem; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

.step {
  background: var(--paper-2);
  border: 1px solid var(--grain);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--walnut);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step h3 { color: var(--walnut-dark); margin-bottom: 8px; }
.step p { color: rgba(42, 31, 23, 0.78); }

/* ===== Email capture ===== */
.capture {
  background: var(--walnut-dark);
  color: var(--paper);
  text-align: center;
}
.capture h2 { color: var(--paper); }
.capture p { color: rgba(248, 243, 232, 0.85); max-width: 620px; margin: 0 auto 1.5rem; }

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 24px auto 0;
  flex-wrap: wrap;
}

.subscribe-form input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--bark);
}

.subscribe-form input[id="sub-zip"] { flex: 0 0 110px; }

.subscribe-form .btn-primary {
  background: var(--amber);
  color: var(--walnut-dark);
}
.subscribe-form .btn-primary:hover { background: var(--amber-dark); }

.subscribe-status {
  margin-top: 16px;
  padding: 10px 16px;
  border-radius: var(--radius);
  display: inline-block;
}
.subscribe-status.success { background: rgba(74, 103, 65, 0.35); color: var(--paper); }
.subscribe-status.error { background: rgba(161, 61, 45, 0.35); color: var(--paper); }

/* ===== Recent valuations ===== */
.recent { background: var(--paper); }
.recent-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.recent-card {
  background: var(--paper-2);
  border: 1px solid var(--grain);
  border-radius: var(--radius);
  padding: 20px;
}
.recent-card .rc-species {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--walnut-dark);
  font-weight: 600;
  margin-bottom: 4px;
}
.recent-card .rc-meta { font-size: 0.85rem; color: rgba(42, 31, 23, 0.6); margin-bottom: 8px; }
.recent-card .rc-value {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--moss-dark);
  font-weight: 600;
}

/* ===== Error box ===== */
.error-box {
  background: rgba(161, 61, 45, 0.08);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-top: 16px;
  font-size: 0.95rem;
}

/* ===== Footer ===== */
.tool-footer {
  background: var(--bark);
  color: rgba(248, 243, 232, 0.7);
  padding: 32px 0;
  text-align: center;
  font-size: 0.88rem;
}
.tool-footer a { color: var(--amber); }
.tool-footer .muted { color: rgba(248, 243, 232, 0.5); margin-top: 8px; }