/* ── ThirdQuote Design System ── */

/* ── Tokens ── */
:root {
  --ground:  #F6F8F9;
  --surface: #FFFFFF;
  --raised:  #EDF2F5;
  --hair:    #D2DBE1;
  --ink:     #16232F;
  --body:    #3C5061;
  --muted:   #6C8395;
  --copper:  #17619F;
  --teal:    #1E6155;
  --core-bg: #16232F;
  --core-fg: #F6F8F9;
  --accent-light: #E8F1FA;
  --teal-light: #E6F3F0;
  --shadow:  0 1px 2px rgba(22,35,47,.06), 0 8px 24px rgba(22,35,47,.05);
  --shadow-sm: 0 1px 3px rgba(22,35,47,.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:  #0E1820;
    --surface: #16242E;
    --raised:  #1C2E3A;
    --hair:    #2B3F4C;
    --ink:     #E9F1F5;
    --body:    #BACBD6;
    --muted:   #8AA2B2;
    --copper:  #6FB2E6;
    --teal:    #55B7A2;
    --core-bg: #24394A;
    --core-fg: #F1F7FA;
    --accent-light: #1A2E3E;
    --teal-light: #162E28;
    --shadow:  0 1px 2px rgba(0,0,0,.35), 0 10px 28px rgba(0,0,0,.28);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"] {
  --ground:  #0E1820;
  --surface: #16242E;
  --raised:  #1C2E3A;
  --hair:    #2B3F4C;
  --ink:     #E9F1F5;
  --body:    #BACBD6;
  --muted:   #8AA2B2;
  --copper:  #6FB2E6;
  --teal:    #55B7A2;
  --core-bg: #24394A;
  --core-fg: #F1F7FA;
  --accent-light: #1A2E3E;
  --teal-light: #162E28;
  --shadow:  0 1px 2px rgba(0,0,0,.35), 0 10px 28px rgba(0,0,0,.28);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.25);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--body);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--copper); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: 24px;
}
.wrap-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding-inline: 24px;
}

/* ── Navigation ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ground);
  border-bottom: 1px solid var(--hair);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0;
  height: 60px;
}
.nav-logo {
  font-family: Bitter, Georgia, serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -.01em;
}
.nav-logo:hover { text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  text-decoration: none;
  transition: color .15s;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a.active { color: var(--ink); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--core-fg) !important;
  background: var(--core-bg);
  padding: 7px 16px;
  border-radius: 6px;
  transition: opacity .15s;
}
.nav-cta:hover { opacity: .88; text-decoration: none !important; }

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--ink);
}
.nav-toggle svg { display: block; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--hair);
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow);
  }
  .nav-toggle { display: block; }
}

/* ── Typography ── */
.eyebrow {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
h1 {
  font-family: Bitter, Georgia, serif;
  font-weight: 600;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 0 0 20px;
  text-wrap: balance;
}
h2 {
  font-family: Bitter, Georgia, serif;
  font-weight: 600;
  font-size: clamp(24px, 3.5vw, 34px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 12px;
  text-wrap: balance;
}
h3 {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 6px;
}
.subtitle {
  font-size: 18px;
  color: var(--body);
  max-width: 60ch;
  margin: 0 0 32px;
  line-height: 1.6;
}
.subtitle strong { color: var(--ink); font-weight: 600; }

/* ── Page Hero ── */
.page-hero {
  padding-block: 56px 48px;
}
.page-hero .subtitle { margin-bottom: 0; }

/* ── Sections ── */
.section {
  padding-block: 56px;
}
.section + .section {
  border-top: 1px solid var(--hair);
}
.section-label {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 10px;
  padding: 28px 24px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: 15px; color: var(--body); }

/* ── Feature rows ── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding-block: 40px;
}
.feature-row + .feature-row { border-top: 1px solid var(--hair); }
@media (max-width: 700px) {
  .feature-row { grid-template-columns: 1fr; gap: 24px; }
}

/* ── Stats strip ── */
.stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.stats-strip li {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--muted);
  background: var(--raised);
  border: 1px solid var(--hair);
  border-radius: 999px;
  padding: 6px 14px;
}
.stats-strip li b { color: var(--ink); font-weight: 500; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, transform .1s;
}
.btn:hover { opacity: .9; text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn-primary {
  background: var(--core-bg);
  color: var(--core-fg);
}
.btn-secondary {
  background: var(--raised);
  color: var(--ink);
  border: 1px solid var(--hair);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
}
.btn-whatsapp:hover { opacity: .9; }

/* ── Pricing tables ── */
.pricing-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 10px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.pricing-card.featured {
  border-color: var(--copper);
  box-shadow: 0 0 0 1px var(--copper);
}
.pricing-card .tier-name {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 4px;
}
.pricing-card .price {
  font-family: Bitter, Georgia, serif;
  font-size: 32px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 4px;
}
.pricing-card .price-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 16px;
}
.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex: 1;
}
.pricing-card li {
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--hair);
  color: var(--body);
}
.pricing-card li:last-child { border-bottom: none; }

/* ── Calculator ── */
.calc-container {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.calc-slider-group {
  margin-bottom: 24px;
}
.calc-slider-group label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}
.calc-slider-group label span {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--copper);
}
.calc-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.calc-slider-row input[type="range"] { flex: 1; }
.calc-value {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--copper);
  white-space: nowrap;
  min-width: 72px;
}
.calc-hint {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}
input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--raised);
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--copper);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: var(--shadow-sm);
}
input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--copper);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: var(--shadow-sm);
}
.calc-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--hair);
}
.calc-result-card {
  text-align: center;
  padding: 20px 12px;
  background: var(--raised);
  border-radius: 8px;
}
.calc-result-card .result-value {
  font-family: Bitter, Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}
.calc-result-card .result-label {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 6px;
  padding: 10px 14px;
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--copper);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Steps / Process ── */
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: steps;
}
.step-item {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 24px 0;
}
.step-item + .step-item { border-top: 1px solid var(--hair); }
.step-item::before {
  content: counter(steps);
  font-family: Bitter, Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--copper);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  border-radius: 10px;
  flex-shrink: 0;
}
.step-item h3 { margin-bottom: 4px; }
.step-item p { margin: 0; font-size: 15px; }

/* ── Intelligence strip ── */
.intel-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--hair);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 48px;
}
.intel-strip .intel-cell {
  background: var(--surface);
  padding: 24px 20px;
  text-align: center;
}
.intel-cell .intel-icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.intel-cell h4 {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 6px;
}
.intel-cell p {
  font-size: 13.5px;
  color: var(--body);
  margin: 0;
  line-height: 1.45;
}
@media (max-width: 640px) {
  .intel-strip { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .intel-strip { grid-template-columns: 1fr; }
}

/* ── Checklist items ── */
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.check-list li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  font-size: 15px;
  border-bottom: 1px solid var(--hair);
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--hair);
  padding-block: 40px;
  margin-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 440px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand {
  font-family: Bitter, Georgia, serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 8px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 16px;
  max-width: 32ch;
}
.footer-col h4 {
  font-size: 12px;
  font-family: "IBM Plex Mono", Menlo, monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 14px;
  color: var(--body);
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 13px;
  color: var(--muted);
}

/* ── Utility ── */
.text-copper { color: var(--copper); }
.text-teal { color: var(--teal); }
.text-muted { color: var(--muted); }
.text-ink { color: var(--ink); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }