/* Meisterline Controls — shared site styles */

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

:root {
  --ink: #0f1b2b;
  --ink-soft: #1c2c40;
  --steel: #3d4a5c;
  --steel-light: #64758a;
  --line: #d8dee5;
  --paper: #f4f6f8;
  --white: #ffffff;
  --accent: #ff6a1a;
  --accent-dark: #cc4e0a;
  --muted: #5b6b7d;
  --warn-bg: #fff4e8;
  --warn-border: #f0a865;
  --warn-text: #7a4a10;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--muted); }
a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 0.75em;
  display: block;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  flex: none;
  display: block;
  border-radius: 6px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--steel);
}
nav.main-nav a:hover { color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 20px;
  border-radius: 4px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
}
.btn-accent:hover { background: var(--accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--steel); }

.btn-dark {
  background: var(--ink);
  color: var(--white);
}
.btn-dark:hover { background: var(--ink-soft); }

/* ---------- Hero ---------- */

.hero {
  background: var(--ink);
  color: var(--white);
  padding: 84px 0 92px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -80px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
}

.hero .wrap {
  position: relative;
  max-width: 760px;
}

.hero .eyebrow { color: var(--accent); }
.hero h1 { color: var(--white); }
.hero p.lead {
  font-size: 1.15rem;
  color: #c3cdd9;
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */

section { padding: 72px 0; }
section.tight { padding: 56px 0; }

.section-alt { background: var(--paper); }

.section-head {
  max-width: 640px;
  margin-bottom: 42px;
}

.grid {
  display: grid;
  gap: 24px;
}
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 26px;
}

.card .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 10px;
}

.step-list {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .step-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .step-list { grid-template-columns: 1fr; } }

.step {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}
.step .step-index {
  font-family: var(--font-mono);
  color: var(--steel-light);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 6px;
}

.panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 720px) { .panel-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .panel-list { grid-template-columns: 1fr; } }

.panel-list li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px 18px;
  font-weight: 500;
  font-size: 0.95rem;
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin-bottom: 8px; }

.context-block {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 800px) { .context-block { grid-template-columns: 1fr; } }

.context-block .quote-mark {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--line);
  line-height: 1;
  margin-bottom: 8px;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: #c3cdd9; }

/* ---------- Footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  background: var(--paper);
}
footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}
footer.site-footer .foot-meta {
  font-size: 0.85rem;
  color: var(--steel-light);
}
footer .foot-links { display: flex; gap: 20px; }
footer .foot-links a { font-size: 0.85rem; text-decoration: none; color: var(--steel); }
footer .foot-links a:hover { color: var(--ink); }

/* ---------- Forms / Calculator ---------- */

.tool-shell {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.disclaimer {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: 6px;
  padding: 16px 18px;
  font-size: 0.9rem;
  margin-bottom: 32px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.disclaimer strong { display: block; margin-bottom: 2px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 700px) { .field-grid { grid-template-columns: 1fr; } }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field.span-2 { grid-column: 1 / -1; }

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}
.field .hint {
  font-size: 0.78rem;
  color: var(--steel-light);
  margin-top: -2px;
}

input, select, textarea {
  width: 100%;
  max-width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--ink);
}

select {
  text-overflow: ellipsis;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px 18px 20px;
  margin: 0;
}
fieldset legend {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 0 6px;
}

.motor-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
}
@media (max-width: 640px) { .motor-row { grid-template-columns: 1fr 1fr; } }

.motor-row .remove-motor {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 4px;
  padding: 9px 10px;
  cursor: pointer;
  font-size: 0.85rem;
}
.motor-row .remove-motor:hover { border-color: var(--accent); color: var(--accent-dark); }

.add-motor {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--steel);
  border-radius: 4px;
  padding: 9px 14px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
}
.add-motor:hover { border-color: var(--accent); color: var(--accent-dark); }

.calc-result {
  background: var(--ink);
  color: var(--white);
  border-radius: 6px;
  padding: 28px;
  margin-top: 28px;
}
.calc-result .result-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #97a5b8;
  margin-bottom: 6px;
}
.calc-result .result-range {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--accent);
}
.calc-result .result-caveat {
  font-size: 0.85rem;
  color: #c3cdd9;
  margin-top: 10px;
  max-width: 560px;
}
.lead-flags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lead-flag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: rgba(255,106,26,0.15);
  border: 1px solid rgba(255,106,26,0.4);
  color: #ffb27a;
  padding: 5px 10px;
  border-radius: 4px;
}

.hidden { display: none !important; }

/* ---------- Multi-section forms ---------- */

.form-section {
  margin-bottom: 36px;
}
.form-section:last-of-type { margin-bottom: 0; }

.form-section-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.form-section-head h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}
.form-section-head .section-helper {
  font-size: 0.85rem;
  color: var(--steel-light);
  margin: 0;
}

.field label .req {
  color: var(--accent-dark);
}

.warning-note {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 0.83rem;
  margin-top: 6px;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
}
.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  padding: 0;
}
.checkbox-row label {
  font-weight: 500;
  color: var(--ink);
}

/* ---------- File upload ---------- */

.dropzone {
  border: 2px dashed var(--line);
  border-radius: 6px;
  padding: 32px 20px;
  text-align: center;
  background: var(--paper);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.dragover {
  border-color: var(--accent);
  background: #fff2e9;
}
.dropzone p {
  margin: 0 0 4px;
  color: var(--steel);
  font-weight: 500;
}
.dropzone .dz-hint {
  font-size: 0.8rem;
  color: var(--steel-light);
  font-weight: 400;
}
.dropzone input[type="file"] { display: none; }

.file-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 9px 12px;
  font-size: 0.87rem;
  background: var(--white);
}
.file-item .file-name {
  font-weight: 500;
  color: var(--ink);
  word-break: break-all;
}
.file-item .file-size {
  font-family: var(--font-mono);
  color: var(--steel-light);
  font-size: 0.78rem;
  white-space: nowrap;
  margin-left: 10px;
}
.file-item .file-remove {
  background: transparent;
  border: none;
  color: var(--steel-light);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px 6px;
  margin-left: 10px;
}
.file-item .file-remove:hover { color: var(--accent-dark); }

.file-errors {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.file-error {
  font-size: 0.82rem;
  color: #b23a2f;
}

.confirm-box .ref-number {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.02em;
  margin: 4px 0 14px;
  display: block;
}

.email-gate {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  background: var(--paper);
  margin-top: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.email-gate .field { flex: 1; min-width: 240px; }

form .form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  flex-wrap: wrap;
  gap: 14px;
}

.confirm-box {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  background: var(--paper);
  margin-top: 24px;
}
.confirm-box h3 { margin-bottom: 10px; }

@media (max-width: 620px) {
  .site-header nav.main-nav { display: none; }
}