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

:root {
  --black:       #000000;
  --s-950:       #080808;
  --s-900:       #121212;
  --s-850:       #1C1C1C;
  --s-800:       #2A2A2A;
  --s-700:       #444444;
  --s-600:       #666666;
  --s-400:       #A3A3A3;
  --s-200:       #E5E5E5;
  --s-100:       #F5F5F5;
  --white:       #FFFFFF;

  --bg:          var(--black);
  --surface:     var(--s-900);
  --surface-2:   var(--s-850);
  --surface-3:   var(--s-800);
  --border:      var(--s-800);
  --border-subtle: var(--s-850);

  --text-primary:   var(--white);
  --text-secondary: var(--s-400);
  --text-muted:     var(--s-600);

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; }
p { color: var(--text-secondary); }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.04em;
  line-height: 1;
}

.logo-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.logo-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
}

.header-badge::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--white);
  border-radius: 50%;
  opacity: 0.5;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--s-700);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  max-width: 640px;
  margin-bottom: 16px;
}

.hero h1 span {
  color: var(--text-secondary);
  font-weight: 300;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 680px;
}

.stat-card {
  background: var(--surface);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Search & Filters ───────────────────────────────────────── */
.controls {
  padding: 48px 0 0;
}

.search-wrap {
  position: relative;
  margin-bottom: 24px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px 12px 44px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition);
}

.search-input::placeholder { color: var(--text-muted); }

.search-input:focus {
  border-color: var(--s-600);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-right: 4px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--white);
  border-color: var(--s-600);
  background: var(--surface);
}

.filter-chip.active {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

/* ── Results bar ─────────────────────────────────────────────── */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}

.results-count {
  font-size: 13px;
  color: var(--text-muted);
}

.results-count strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.clear-btn {
  display: none;
  align-items: center;
  gap: 6px;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.clear-btn:hover { color: var(--white); }
.clear-btn.visible { display: inline-flex; }

/* ── Cards Grid ─────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.service-card {
  background: var(--surface);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background var(--transition);
  cursor: pointer;
  position: relative;
}

.service-card:hover {
  background: var(--surface-2);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.category-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.economy-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--black);
  background: var(--white);
  border-radius: 100px;
  padding: 3px 9px;
  line-height: 1;
  white-space: nowrap;
}

.card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 10px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 24px;
}

.card-pricing {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  margin-top: auto;
}

.price-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.price-partner {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.price-partner-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-partner-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.price-market {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
}

.price-market-value {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--s-700);
}

.price-market-label {
  font-size: 11px;
  color: var(--s-700);
}

.price-monthly {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  padding: 4px 10px;
  margin-bottom: 16px;
}

.price-monthly-dot {
  width: 4px;
  height: 4px;
  background: var(--s-600);
  border-radius: 50%;
  flex-shrink: 0;
}

.price-from {
  font-size: 11px;
  color: var(--s-700);
  margin-bottom: 4px;
}

.card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  padding: 0;
  transition: color var(--transition);
}

.card-action:hover { color: var(--white); }

.card-action svg {
  transition: transform var(--transition);
}

.card-action:hover svg {
  transform: translateX(3px);
}

/* Empty state */
.empty-state {
  display: none;
  text-align: center;
  padding: 80px 24px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}

.empty-state.visible { display: block; }

.empty-state h3 {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── Automações Section ──────────────────────────────────────── */
.automations-section {
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--s-700);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.example-item {
  background: var(--surface);
  padding: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.example-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--s-700);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Benefits Section ───────────────────────────────────────── */
.benefits-section {
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: 48px;
}

.benefit-card {
  background: var(--surface);
  padding: 36px 28px;
}

.benefit-number {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--s-700);
  margin-bottom: 20px;
}

.benefit-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.benefit-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Calculator ─────────────────────────────────────────────── */
.calculator-section {
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0;
}

.calculator-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 720px;
}

.calc-select-wrap {
  position: relative;
  margin-top: 32px;
}

.calc-select {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--white);
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition);
}

.calc-select:focus { border-color: var(--s-600); }
.calc-select option { background: var(--s-900); }

.calc-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.calc-result {
  margin-top: 32px;
  display: none;
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.calc-result.visible { display: grid; grid-template-columns: repeat(3, 1fr); }

.calc-item {
  background: var(--surface-2);
  padding: 24px 20px;
}

.calc-item-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.calc-item-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.calc-item.highlight .calc-item-value {
  color: var(--white);
}

.calc-economy-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--black);
  background: var(--white);
  border-radius: 100px;
  padding: 2px 8px;
}

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(16px);
  transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal::-webkit-scrollbar { width: 4px; }
.modal::-webkit-scrollbar-track { background: transparent; }
.modal::-webkit-scrollbar-thumb { background: var(--s-800); border-radius: 2px; }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 28px 0;
}

.modal-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 18px;
  line-height: 1;
}

.modal-close:hover {
  background: var(--surface-3);
  color: var(--white);
}

.modal-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.modal-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.modal-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.modal-price-item {
  background: var(--surface-2);
  padding: 18px 16px;
}

.modal-price-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.modal-price-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.modal-price-value.muted {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

.modal-section-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.modal-examples {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-example {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

.modal-example::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--s-700);
  border-radius: 50%;
  flex-shrink: 0;
}

.modal-observation {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-observation::before {
  content: '!';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: var(--s-800);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}

.modal-economy {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.modal-economy-label {
  font-size: 13px;
  color: var(--text-muted);
}

.modal-economy-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.modal-economy-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--black);
  background: var(--white);
  border-radius: 100px;
  padding: 4px 12px;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.04em;
}

.footer-text {
  font-size: 13px;
  color: var(--text-muted);
  text-align: right;
}

/* ── Back to top ────────────────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  z-index: 50;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all var(--transition);
}

.back-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-top:hover {
  background: var(--surface-2);
  color: var(--white);
}

/* ── Fade-in animation ──────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.service-card {
  animation: fadeUp 320ms ease both;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { max-width: 100%; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }

  .header-badge { display: none; }

  .hero-stats { grid-template-columns: 1fr; }
  .stat-card { padding: 20px; }

  .services-grid { grid-template-columns: 1fr; }

  .benefits-grid { grid-template-columns: 1fr; }

  .calc-result.visible { grid-template-columns: 1fr; }

  .calculator-inner { padding: 28px; }

  .modal-pricing { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-text { text-align: left; }

  .back-top { bottom: 24px; right: 24px; }

  .results-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.75rem; }
  .price-partner-value { font-size: 22px; }
  .filter-chip { font-size: 12px; padding: 5px 12px; }
}