/* ==========================================================================
   Crop-Tech Consulting — Utilities
   Shared design tokens & base styles
   Aesthetic: in-cab instrument panel / yield monitor readout
   ========================================================================== */

:root {
  /* --- Panel surfaces (equipment chassis, not "dark mode default") --- */
  --panel-black:   #191b17;
  --panel-dark:    #21241d;
  --panel-mid:     #2b2f26;
  --panel-line:    #3b4032;
  --panel-line-lt: #4a5040;

  /* --- Readout accents (borrowed from real in-cab monitor palettes) --- */
  --amber:         #f2a93c;
  --amber-dim:     #c98a2e;
  --amber-glow:    rgba(242, 169, 60, 0.35);
  --field-green:   #7fae5c;
  --field-green-dim: #557a3c;
  --green-glow:    rgba(127, 174, 92, 0.35);
  --rust:          #c1502e;
  --rust-glow:     rgba(193, 80, 46, 0.35);

  /* --- Text / grain tones --- */
  --grain:         #ece6d6;
  --grain-dim:     #b9b4a0;
  --grain-faint:   #8a8674;

  /* --- Type --- */
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Consolas', monospace;

  --radius-panel: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(127,174,92,0.06), transparent 60%),
    var(--panel-black);
  color: var(--grain);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* Subtle brushed-metal texture on the chassis background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(255,255,255,0.012) 0px,
    rgba(255,255,255,0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 0;
}

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

::selection { background: var(--amber); color: var(--panel-black); }

/* Focus visibility kept crisp for keyboard users */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ==========================================================================
   Top bar — shared across every tool. Deliberately minimal: a home switch,
   a mark, and (optionally) a breadcrumb. Not a full nav.
   ========================================================================== */
.ctc-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: linear-gradient(180deg, var(--panel-dark), var(--panel-black));
  border-bottom: 1px solid var(--panel-line);
}

.ctc-home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--panel-line-lt);
  background: var(--panel-mid);
  color: var(--grain-dim);
  transition: color .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.ctc-home-btn:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
  box-shadow: 0 0 0 3px var(--amber-glow);
}
.ctc-home-btn svg { width: 18px; height: 18px; }

.ctc-mark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.ctc-mark .eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--field-green);
}
.ctc-mark .title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--grain);
  margin-top: 2px;
}
.ctc-mark .title .accent { color: var(--amber); }

.ctc-crumb {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grain-faint);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.ctc-crumb span { color: var(--grain-dim); }

/* ==========================================================================
   Panels — the core "instrument cluster" card
   ========================================================================== */
.panel {
  position: relative;
  background: linear-gradient(180deg, var(--panel-mid), var(--panel-dark));
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 12px 24px rgba(0,0,0,0.28);
}
.panel-seam {
  border-bottom: 1px solid var(--panel-line);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel-seam .rivet {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--panel-line-lt);
  box-shadow: inset 0 1px 1px rgba(0,0,0,.5);
}
.panel-seam h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grain-dim);
  margin: 0;
}
.panel-body { padding: 20px; }

/* ==========================================================================
   Form controls, restyled onto Bootstrap's .form-control
   ========================================================================== */
.ctc-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--field-green);
  margin-bottom: 6px;
}
.ctc-field small.hint {
  display: block;
  margin-top: 6px;
  color: var(--grain-faint);
  font-size: 12px;
}

.form-control, .custom-select, select.form-control {
  background: var(--panel-black) !important;
  border: 1px solid var(--panel-line-lt) !important;
  color: var(--grain) !important;
  font-family: var(--font-mono);
  font-size: 15px;
  border-radius: var(--radius-sm) !important;
  padding: 10px 12px !important;
  height: auto !important;
}
.form-control:focus, .custom-select:focus {
  border-color: var(--amber) !important;
  box-shadow: 0 0 0 3px var(--amber-glow) !important;
}
.form-control.is-invalid {
  border-color: var(--rust) !important;
  box-shadow: 0 0 0 3px var(--rust-glow) !important;
}
.form-control::placeholder { color: var(--grain-faint); }

.input-group-text {
  background: var(--panel-black);
  border: 1px solid var(--panel-line-lt);
  color: var(--amber);
  font-family: var(--font-mono);
}

/* Buttons */
.btn-ctc {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: 15px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--amber-dim);
  background: linear-gradient(180deg, var(--amber), var(--amber-dim));
  color: var(--panel-black);
  transition: transform .1s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-ctc:hover { filter: brightness(1.08); box-shadow: 0 0 0 3px var(--amber-glow); color: var(--panel-black); }
.btn-ctc:active { transform: translateY(1px); }

.btn-ctc-outline {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-line-lt);
  background: transparent;
  color: var(--grain-dim);
  transition: all .15s ease;
}
.btn-ctc-outline:hover { border-color: var(--field-green); color: var(--field-green); }
.btn-ctc-outline.active {
  border-color: var(--field-green);
  color: var(--field-green);
  box-shadow: 0 0 0 3px var(--green-glow);
}

/* Data tables styled like a printed field ticket */
.table-ctc {
  color: var(--grain);
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.table-ctc thead th {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--field-green);
  border-bottom: 1px solid var(--panel-line-lt) !important;
  border-top: none !important;
  white-space: nowrap;
}
.table-ctc td { border-color: var(--panel-line) !important; vertical-align: middle; }
.table-ctc tbody tr:nth-of-type(odd) { background: rgba(255,255,255,0.015); }
.table-ctc .text-danger { color: var(--rust) !important; }
.table-ctc .text-success-readout { color: var(--field-green) !important; }

.icon-btn {
  background: none; border: none; padding: 4px; cursor: pointer;
  color: var(--grain-faint);
  transition: color .15s ease;
}
.icon-btn:hover { color: var(--rust); }
.icon-btn svg { width: 16px; height: 16px; }

/* The signature readout element — used for the net gain / result figures */
.readout {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--panel-line-lt);
}
.readout.pos { color: var(--field-green); border-color: var(--field-green-dim); text-shadow: 0 0 10px var(--green-glow); }
.readout.neg { color: var(--rust); border-color: var(--rust); text-shadow: 0 0 10px var(--rust-glow); }

.callout {
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-green-dim);
  background: rgba(127,174,92,0.08);
  color: var(--grain);
  padding: 12px 16px;
  font-size: 14px;
}
.callout strong { color: var(--field-green); }

footer.ctc-foot {
  text-align: center;
  padding: 24px 12px 40px;
  color: var(--grain-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ==========================================================================
   Hub landing page (index)
   ========================================================================== */
.hub-hero {
  position: relative;
  z-index: 1;
  padding: 64px 20px 40px;
  text-align: center;
}
.hub-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--field-green);
}
.hub-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 56px);
  letter-spacing: .01em;
  margin: 8px 0 6px;
  color: var(--grain);
}
.hub-hero h1 .accent { color: var(--amber); }
.hub-hero p {
  color: var(--grain-dim);
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
}

.hub-grid {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  position: relative;
  z-index: 1;
}

.tool-card {
  display: block;
  position: relative;
  border-radius: var(--radius-panel);
  border: 1px solid var(--panel-line);
  background: linear-gradient(165deg, var(--panel-mid), var(--panel-dark));
  padding: 24px 24px 22px;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.tool-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(240px 120px at 85% -10%, var(--card-glow, var(--amber-glow)), transparent 70%);
  opacity: .5;
  pointer-events: none;
}
.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--card-line, var(--amber-dim));
  box-shadow: 0 16px 32px rgba(0,0,0,.35);
}
.tool-card .dial {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 2px solid var(--card-line, var(--amber-dim));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--card-color, var(--amber));
}
.tool-card .dial svg { width: 22px; height: 22px; }
.tool-card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--card-color, var(--amber));
}
.tool-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--grain);
  margin: 6px 0 8px;
}
.tool-card p {
  color: var(--grain-dim);
  font-size: 13.5px;
  line-height: 1.5;
  margin: 0 0 18px;
}
.tool-card .go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grain);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tool-card .go svg { width: 14px; height: 14px; transition: transform .15s ease; }
.tool-card:hover .go svg { transform: translateX(3px); }

.tool-card.card-green { --card-glow: var(--green-glow); --card-line: var(--field-green-dim); --card-color: var(--field-green); }

@media (max-width: 560px) {
  .ctc-topbar { padding: 12px 14px; }
  .hub-hero { padding: 44px 16px 28px; }
}