/* =============================================================================
   DO-UP ERP — PAPEL & TINTA Frontend Stylesheet
   Editorial financial interface for Chilean PYMEs.
   Warm paper, copper-red ink, deep warm black.
   ============================================================================= */

:root {
  /* Paper (canvas) */
  --paper-50:  #FBF8F2;
  --paper-100: #F7F2E8;
  --paper-200: #F4EFE6;
  --paper-300: #EDE5D4;
  --paper-400: #DFD3BA;
  --paper-500: #C7B695;

  /* Ink (typography & dark surfaces) */
  --ink-50:  #F2EFEA;
  --ink-100: #D9D2C6;
  --ink-200: #A79C87;
  --ink-300: #6E6453;
  --ink-400: #4A4234;
  --ink-500: #2B251C;
  --ink-600: #1E1913;
  --ink-700: #17130E;
  --ink-800: #100D09;

  /* Copper (primary accent) */
  --copper-50:  #FCEFEC;
  --copper-100: #F8D8D0;
  --copper-200: #F0B2A4;
  --copper-300: #E08372;
  --copper-400: #CC5D4C;
  --copper-500: #B13A2E;
  --copper-600: #962E24;
  --copper-700: #78241C;

  /* AI Accent (Teal) */
  --teal-50:  #E6EFEF;
  --teal-100: #C9DEDE;
  --teal-200: #9DC3C3;
  --teal-300: #6FA4A4;
  --teal-500: #2F6E6E;
  --teal-600: #24595A;
  --teal-700: #1B4344;

  /* Surfaces & Borders */
  --bg-page: var(--paper-200);
  --surface-card: #FCFAF5;
  --surface-subtle: var(--paper-100);
  --border-soft: rgba(23, 19, 14, 0.10);
  --border-strong: rgba(23, 19, 14, 0.22);
  --border-focus: var(--copper-500);

  /* Fonts */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono: 'SF Mono', Monaco, Menlo, Consolas, 'Courier New', monospace;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(23, 19, 14, 0.05);
  --shadow-card: 0 4px 18px -4px rgba(23, 19, 14, 0.08), 0 1px 3px rgba(23, 19, 14, 0.04);
  --shadow-hover: 0 10px 28px -6px rgba(23, 19, 14, 0.14), 0 2px 6px rgba(23, 19, 14, 0.06);
}

[data-theme='dark'] {
  --bg-page: #15120F;
  --surface-card: #1C1814;
  --surface-subtle: #231E19;
  --border-soft: rgba(244, 239, 230, 0.10);
  --border-strong: rgba(244, 239, 230, 0.20);
  --ink-700: #F7F2E8;
  --ink-600: #EDE5D4;
  --ink-500: #DFD3BA;
  --ink-400: #C7B695;
  --ink-300: #A79C87;
  --ink-200: #6E6453;
  --copper-500: #D95A4C;
  --copper-600: #E08372;
  --teal-500: #4B8888;
  --teal-50: #1B4344;
}

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-700);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  color: var(--ink-700);
  background-color: var(--bg-page);
  background-image:
    radial-gradient(circle at 14% 8%, rgba(177, 58, 46, 0.035) 0%, transparent 46%),
    radial-gradient(circle at 92% 86%, rgba(23, 19, 14, 0.040) 0%, transparent 52%);
  background-size: 100% 100%;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

/* Typography Helpers */
.font-display {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
}

.font-tabular {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.overline {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--copper-500);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-400);
}

.kicker::before {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background-color: currentColor;
}

.rule {
  width: 100%;
  height: 1px;
  background: var(--border-soft);
  margin: 1.25rem 0;
}

.rule-copper {
  width: 3.5rem;
  height: 2px;
  background: var(--copper-500);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  padding: 0.75rem 1.35rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  text-decoration: none;
}

.btn-copper {
  background-color: var(--copper-500);
  color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(88, 26, 20, 0.25);
}

.btn-copper:hover {
  background-color: var(--copper-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(88, 26, 20, 0.3);
}

.btn-ink {
  background-color: var(--ink-700);
  color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(23, 19, 14, 0.2);
}

.btn-ink:hover {
  background-color: var(--ink-800);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(23, 19, 14, 0.28);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink-700);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background-color: var(--surface-subtle);
  border-color: var(--ink-700);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.8125rem;
}

/* ───────────────────────── Masthead / Header ───────────────────────── */
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 239, 230, 0.88);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border-soft);
  transition: background-color 0.2s ease;
}

[data-theme='dark'] .masthead {
  background: rgba(21, 18, 15, 0.88);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  gap: 1.5rem;
}

.masthead__brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
}

.masthead__logo {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-700);
  letter-spacing: -0.03em;
}

.masthead__tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-300);
}

.masthead__tagline::before {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 1px;
  background-color: var(--ink-300);
}

.masthead__nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.8125rem;
  color: var(--ink-400);
}

@media (min-width: 860px) {
  .masthead__nav {
    display: flex;
  }
}

.masthead__nav a {
  transition: color 0.15s ease;
}

.masthead__nav a:hover {
  color: var(--copper-500);
}

.masthead__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.masthead__back {
  font-size: 0.8125rem;
  color: var(--ink-400);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.masthead__back:hover {
  color: var(--ink-700);
  background-color: var(--border-soft);
}

/* ───────────────────────── Hero Section ───────────────────────── */
.hero {
  padding-top: 3.5rem;
  padding-bottom: 4.5rem;
  overflow: hidden;
}

.issue-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-300);
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 0.75rem;
  margin-bottom: 3rem;
}

.issue-bar__num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-400);
}

.issue-bar__date {
  font-style: italic;
  font-family: var(--font-display);
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.8125rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: end;
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: 7fr 5fr;
  }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.8vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--ink-700);
  margin-top: 1rem;
  margin-bottom: 1.75rem;
}

.hero__title em {
  font-style: italic;
  font-weight: 400;
}

.hero__title .highlight {
  color: var(--copper-500);
  position: relative;
  display: inline-block;
}

.hero__title .highlight::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--copper-400);
  border-radius: 2px;
}

.hero__desc {
  max-width: 38rem;
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink-400);
  margin-bottom: 2.25rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.hero__process-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--ink-400);
  font-weight: 500;
  transition: color 0.15s ease;
}

.hero__process-link span.line {
  display: block;
  width: 1.75rem;
  height: 1px;
  background-color: currentColor;
  transition: width 0.2s ease;
}

.hero__process-link:hover {
  color: var(--copper-500);
}

.hero__process-link:hover span.line {
  width: 2.5rem;
}

/* ───────────────────────── Factura Ficha ───────────────────────── */
.factura-stack {
  position: relative;
  max-width: 440px;
  margin: 0 auto;
}

.factura-card {
  position: relative;
  background-color: #FCFAF5;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  background-image: linear-gradient(to bottom, transparent 95%, rgba(23, 19, 14, 0.05) 100%);
  background-size: 100% 1.75rem;
}

[data-theme='dark'] .factura-card {
  background-color: #1A1613;
  border-color: var(--border-soft);
}

.factura-card__stamp {
  position: absolute;
  top: -0.75rem;
  right: -0.75rem;
  transform: rotate(-3deg);
}

.stamp-seal {
  width: 4.75rem;
  height: 4.75rem;
  border: 2px solid var(--copper-500);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #FCFAF5;
  color: var(--copper-500);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1.15;
  padding: 0.25rem;
  box-shadow: 0 2px 6px rgba(23, 19, 14, 0.08);
}

.factura-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.factura-card__vendor {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-700);
  letter-spacing: -0.02em;
}

.factura-card__rut {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-300);
  margin-top: 0.15rem;
}

.factura-dl {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9375rem;
}

.factura-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.factura-row dt {
  color: var(--ink-400);
}

.factura-row dd {
  font-family: var(--font-mono);
  font-weight: 500;
}

.factura-row--copper dd {
  color: var(--copper-500);
  font-weight: 600;
}

.factura-row--total dd {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-700);
}

.factura-checks {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8125rem;
  margin-top: 0.75rem;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-400);
}

.check-item--active {
  color: var(--ink-700);
  font-weight: 600;
}

.check-icon {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background-color: var(--copper-50);
  color: var(--copper-500);
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  font-weight: 800;
  flex-shrink: 0;
}

.factura-note {
  margin-top: 1rem;
  padding: 0.85rem;
  background-color: var(--copper-50);
  border: 1px solid var(--copper-100);
  border-radius: 4px;
}

[data-theme='dark'] .factura-note {
  background-color: rgba(177, 58, 46, 0.15);
  border-color: rgba(177, 58, 46, 0.3);
}

.factura-note__title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--copper-600);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.factura-note__body {
  font-size: 0.8125rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--ink-500);
}

/* Paper layer illusion */
.factura-stack::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translate(6px, 6px);
  background: var(--paper-300);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  z-index: -1;
}

.factura-stack::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translate(12px, 12px);
  background: var(--paper-400);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  z-index: -2;
  opacity: 0.6;
}

/* ───────────────────────── Ledger Stats Band ───────────────────────── */
.ledger-band {
  background-color: var(--paper-100);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 3.5rem 0;
}

[data-theme='dark'] .ledger-band {
  background-color: #191612;
}

.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 900px) {
  .ledger-grid {
    grid-template-columns: repeat(4, 1fr);
    divide-x: 1px solid var(--border-soft);
  }
}

.stat-card {
  padding-right: 1.5rem;
}

.stat-card__num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink-700);
  margin-bottom: 0.75rem;
}

.stat-card__label {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-400);
  max-width: 26ch;
}

/* ───────────────────────── Chapters Section ───────────────────────── */
.section {
  padding: 5.5rem 0;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .section-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.section-head__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink-700);
  max-width: 40rem;
}

.section-head__title em {
  font-style: italic;
  color: var(--copper-500);
}

.section-head__note {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--ink-300);
  max-width: 22rem;
}

.chapters-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .chapters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3.5rem 4rem;
  }
}

.chapter-card {
  border-top: 2px solid var(--ink-700);
  padding-top: 1.5rem;
}

.chapter-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.2rem;
  color: var(--copper-500);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.chapter-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-700);
  margin-bottom: 0.75rem;
}

.chapter-lead {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink-500);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.chapter-body {
  font-size: 0.9375rem;
  color: var(--ink-400);
  line-height: 1.6;
}

/* ───────────────────────── Novedades Section ───────────────────────── */
.novedades-band {
  background-color: rgba(247, 242, 232, 0.5);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

[data-theme='dark'] .novedades-band {
  background-color: #171410;
}

.novedades-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 680px) {
  .novedades-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .novedades-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.novedad-card {
  border-top: 1px solid var(--border-strong);
  padding-top: 1.25rem;
}

.novedad-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.novedad-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--copper-500);
  line-height: 1;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background-color: var(--copper-50);
  color: var(--copper-600);
  border: 1px solid var(--copper-100);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
}

.novedad-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-700);
  margin-bottom: 0.5rem;
}

.novedad-body {
  font-size: 0.9375rem;
  color: var(--ink-400);
  line-height: 1.6;
}

/* ───────────────────────── Intelligence Column ───────────────────────── */
.intelligence-col {
  background-color: var(--ink-700);
  color: var(--paper-100);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.intelligence-col::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(244, 239, 230, 0.4) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(217, 106, 88, 0.25) 0%, transparent 45%);
  pointer-events: none;
}

.intelligence-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
}

@media (min-width: 960px) {
  .intelligence-grid {
    grid-template-columns: 5fr 7fr;
    gap: 4.5rem;
  }
}

.intelligence-head__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.intelligence-head__title em {
  font-style: italic;
  color: var(--copper-300);
}

.intelligence-head__desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--paper-400);
  margin-bottom: 2rem;
}

.intelligence-quote {
  padding-left: 1.25rem;
  border-left: 2px solid var(--copper-400);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--paper-100);
  line-height: 1.5;
}

.intelligence-quote footer {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--paper-500);
  margin-top: 0.5rem;
}

.ai-caps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 600px) {
  .ai-caps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ai-cap-card {
  border-top: 1px solid rgba(244, 239, 230, 0.15);
  padding-top: 1.25rem;
}

.ai-cap-card--accent {
  border-top-color: var(--copper-400);
}

.ai-cap-card__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--paper-400);
  margin-bottom: 0.4rem;
}

.ai-cap-card--accent .ai-cap-card__num {
  color: var(--copper-300);
}

.ai-cap-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.ai-cap-card__body {
  font-size: 0.9375rem;
  color: var(--paper-400);
  line-height: 1.6;
}

/* ───────────────────────── Modules Catalogue ───────────────────────── */
.modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  overflow: hidden;
}

@media (min-width: 600px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.module-cell {
  background-color: var(--surface-card);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: background-color 0.15s ease;
}

.module-cell:hover {
  background-color: var(--surface-subtle);
}

.module-cell__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.module-cell__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-300);
}

.module-cell__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-700);
  margin-bottom: 0.5rem;
}

.module-cell__body {
  font-size: 0.9375rem;
  color: var(--ink-400);
  line-height: 1.55;
}

/* ───────────────────────── Rate Card / Precios ───────────────────────── */
.pricing-band {
  background-color: var(--paper-100);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 5.5rem 0;
}

[data-theme='dark'] .pricing-band {
  background-color: #171410;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 680px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pricing-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.pricing-card--hero {
  background-color: var(--copper-500);
  color: #FFFFFF;
  border-color: var(--copper-600);
  box-shadow: 0 8px 24px rgba(177, 58, 46, 0.22);
}

.pricing-card--dark {
  background-color: var(--ink-700);
  color: #FFFFFF;
  border-color: var(--ink-800);
}

.pricing-card__badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
}

.pricing-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.25rem;
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
}

.pricing-card__uf {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-300);
}

.pricing-card--hero .pricing-card__uf,
.pricing-card--dark .pricing-card__uf {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-card__target {
  font-size: 0.8125rem;
  color: var(--ink-400);
  margin-bottom: 1.5rem;
}

.pricing-card--hero .pricing-card__target,
.pricing-card--dark .pricing-card__target {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-card__price-box {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 1.25rem;
}

.pricing-card--hero .pricing-card__price-box {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-card--dark .pricing-card__price-box {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-card__freq {
  font-size: 0.75rem;
  color: var(--ink-300);
  margin-top: 0.35rem;
}

.pricing-card--hero .pricing-card__freq,
.pricing-card--dark .pricing-card__freq {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  flex: 1;
  margin-bottom: 1.75rem;
}

.pricing-card__action {
  width: 100%;
}

/* ───────────────────────── Colophon & Form ───────────────────────── */
.colophon-box {
  border-top: 3px solid var(--ink-700);
  border-bottom: 3px solid var(--ink-700);
  padding: 4.5rem 0;
  margin: 3.5rem 0;
}

.colophon-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
}

@media (min-width: 900px) {
  .colophon-grid {
    grid-template-columns: 5fr 6fr;
  }
}

.colophon-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink-700);
  margin-bottom: 1.5rem;
}

.colophon-title em {
  font-style: italic;
  color: var(--copper-500);
}

.colophon-desc {
  font-size: 1.125rem;
  color: var(--ink-400);
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Form Styles */
.form-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 500px) {
  .form-grid--2col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-400);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background-color: #FFFFFF;
  color: var(--ink-700);
  font-size: 0.9375rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-theme='dark'] .form-input,
[data-theme='dark'] .form-select,
[data-theme='dark'] .form-textarea {
  background-color: #120F0D;
  border-color: var(--border-soft);
  color: var(--paper-100);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--copper-500);
  box-shadow: 0 0 0 3px rgba(177, 58, 46, 0.15);
}

.form-success {
  text-align: center;
  padding: 2.5rem 1rem;
}

.form-success__icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background-color: var(--copper-50);
  color: var(--copper-500);
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
}

.form-success__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink-700);
  margin-bottom: 0.5rem;
}

.form-success__body {
  font-size: 0.9375rem;
  color: var(--ink-400);
  max-width: 28rem;
  margin: 0 auto;
  line-height: 1.6;
}

/* ───────────────────────── Footer ───────────────────────── */
.footer {
  background-color: var(--ink-700);
  color: var(--paper-100);
  padding: 4.5rem 0 3rem;
  border-top: 1px solid var(--border-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 860px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.footer-brand__desc {
  font-size: 0.8125rem;
  color: var(--paper-400);
  line-height: 1.6;
  max-width: 18rem;
}

.footer-col__title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--copper-300);
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-col__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--paper-400);
}

.footer-col__list a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 239, 230, 0.12);
  font-size: 0.8125rem;
  color: var(--paper-500);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom__links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom__links a:hover {
  color: #FFFFFF;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(23, 19, 14, 0.6);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 540px;
  background-color: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  padding: 2.25rem;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ink-400);
  font-size: 1.25rem;
  padding: 0.25rem;
  line-height: 1;
}

.modal-close:hover {
  color: var(--ink-700);
}