:root {
  --color-primary: #0f172a;
  --color-primary-soft: #1e293b;
  --color-accent: #3b82f6;
  --color-accent-dark: #2563eb;
  --color-dark: #020617;
  --color-light: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-strong: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-success: #10b981;
  --font-main: "Inter", sans-serif;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;
  --shadow-sm: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 24px 60px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 30px 80px rgba(2, 6, 23, 0.18);
  --container: 1120px;
  --transition: 180ms ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

body {
  min-width: 320px;
  font-family: var(--font-main);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

ul {
  padding: 0;
  list-style: none;
}

/* Base */
body.menu-open {
  overflow: hidden;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  padding: var(--spacing-16) 0;
}

.section-eyebrow {
  display: inline-flex;
  margin-bottom: var(--spacing-4);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(59, 130, 246, 0.12);
}

.section-title {
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-subtitle {
  max-width: 60ch;
  margin-top: var(--spacing-4);
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  min-height: 3rem;
  padding: 0.9rem 1.35rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  transition:
    transform var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.btn-primary {
  color: var(--color-light);
  background: linear-gradient(135deg, var(--color-accent) 0%, #60a5fa 100%);
  box-shadow: 0 18px 36px rgba(59, 130, 246, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
}

.btn-secondary {
  color: var(--color-primary);
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.82);
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.btn-ghost:hover,
.btn-ghost:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(59, 130, 246, 0.4);
  color: var(--color-accent-dark);
}

.btn-ghost {
  color: var(--color-light);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.35);
  outline-offset: 3px;
}

.card {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

.grid {
  display: grid;
  gap: var(--spacing-6);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[id] {
  scroll-margin-top: 6rem;
}

/* Nav */
.site-header {
  position: relative;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-3);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.brand img {
  width: 11rem;
  height: auto;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  width: 3rem;
  height: 3rem;
  padding: 0.8rem;
  border-radius: 0.85rem;
  border: 1px solid rgba(148, 163, 184, 0.26);
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-menu {
  position: absolute;
  inset: calc(100% + 0.75rem) 1rem auto 1rem;
  display: none;
  padding: var(--spacing-5);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-menu.is-open {
  display: grid;
  gap: var(--spacing-4);
}

.nav-links {
  display: grid;
  gap: var(--spacing-3);
  font-weight: 600;
}

.nav-link {
  color: var(--color-text-muted);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-accent-dark);
}

.nav-actions {
  display: grid;
  gap: var(--spacing-3);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(0.42rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-0.42rem) rotate(-45deg);
}

/* Hero */
.hero {
  padding: var(--spacing-12) 0 var(--spacing-16);
}

.hero-layout {
  display: grid;
  gap: var(--spacing-10);
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.65rem, 7vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  max-width: 11ch;
}

.hero-copy p {
  max-width: 58ch;
  margin-top: var(--spacing-5);
  color: var(--color-text-muted);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  margin-top: var(--spacing-6);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
}

.mockup-shell {
  position: relative;
  overflow: hidden;
  border-radius: 2rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
  box-shadow: var(--shadow-lg);
}

.mockup-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.18), transparent 35%),
    linear-gradient(135deg, transparent 0%, rgba(15, 23, 42, 0.03) 100%);
}

.hero-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  background: rgba(15, 23, 42, 0.06);
  font-size: 0.92rem;
  font-weight: 700;
}

/* Value bar */
.value-bar {
  padding-top: 0;
}

.value-grid {
  gap: var(--spacing-4);
}

.value-item {
  padding: var(--spacing-6);
}

.value-icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  margin-bottom: var(--spacing-4);
  color: var(--color-accent-dark);
  background: rgba(59, 130, 246, 0.12);
}

.value-item strong {
  display: block;
  font-size: 1.2rem;
  line-height: 1.2;
}

.value-item p {
  margin-top: var(--spacing-2);
  color: var(--color-text-muted);
}

/* Pain vs outcome */
.comparison-grid {
  gap: var(--spacing-5);
  margin-top: var(--spacing-8);
}

.comparison-card {
  padding: var(--spacing-6);
}

.comparison-card h3 {
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.comparison-columns {
  display: grid;
  gap: var(--spacing-4);
  margin-top: var(--spacing-5);
}

.comparison-state {
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
}

.comparison-state--before {
  background: rgba(248, 113, 113, 0.08);
}

.comparison-state--after {
  background: rgba(16, 185, 129, 0.08);
}

.comparison-state span {
  display: inline-block;
  margin-bottom: var(--spacing-2);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Process */
.steps-grid {
  gap: var(--spacing-5);
  margin-top: var(--spacing-8);
}

.step-card {
  position: relative;
  padding: calc(var(--spacing-6) + 0.5rem) var(--spacing-6) var(--spacing-6);
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  margin-bottom: var(--spacing-5);
  color: var(--color-light);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  font-weight: 800;
}

.step-card h3 {
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.step-card p {
  margin-top: var(--spacing-3);
  color: var(--color-text-muted);
}

/* Demos */
.demos-grid {
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}

.demo-card {
  overflow: hidden;
}

.demo-content {
  padding: var(--spacing-6);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-dark);
  background: rgba(59, 130, 246, 0.12);
}

.demo-card h3 {
  margin-top: var(--spacing-4);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.demo-card p {
  margin-top: var(--spacing-3);
  color: var(--color-text-muted);
}

.demo-placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: var(--spacing-6);
  color: var(--color-text-muted);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(226, 232, 240, 0.95) 0%, rgba(241, 245, 249, 0.95) 100%);
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

/* Pricing */
.pricing-grid {
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}

.pricing-card {
  position: relative;
  padding: var(--spacing-6);
}

.pricing-card--featured {
  border-color: rgba(59, 130, 246, 0.38);
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  box-shadow: 0 24px 80px rgba(59, 130, 246, 0.18);
}

.pricing-card h3 {
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.price {
  margin-top: var(--spacing-4);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.price small {
  display: block;
  margin-top: var(--spacing-2);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0;
}

.pricing-card ul {
  display: grid;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
  color: var(--color-text-muted);
}

.pricing-card li {
  position: relative;
  padding-left: 1.45rem;
}

.pricing-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.pricing-note {
  margin-top: var(--spacing-6);
  color: var(--color-text-muted);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-5) var(--spacing-6);
  text-align: left;
  font-weight: 700;
  color: var(--color-primary);
}

.faq-icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 100%;
  height: 2px;
  background: var(--color-accent-dark);
  transform: translate(-50%, -50%);
  transition: transform var(--transition), opacity var(--transition);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms ease;
}

.faq-answer-inner {
  padding: 0 var(--spacing-6) var(--spacing-6);
  color: var(--color-text-muted);
}

/* CTA */
.cta-section {
  color: var(--color-light);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.14), transparent 25%),
    linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-primary) 100%);
}

.cta-panel {
  display: grid;
  gap: var(--spacing-5);
  align-items: center;
}

.cta-panel h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.cta-panel p {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
}

/* Footer */
.site-footer {
  padding: var(--spacing-10) 0;
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-dark);
}

.footer-layout {
  display: grid;
  gap: var(--spacing-6);
}

.footer-brand {
  display: grid;
  gap: var(--spacing-3);
}

.footer-brand img {
  width: 11rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-light);
}

.footer-meta {
  margin-top: var(--spacing-3);
  color: rgba(255, 255, 255, 0.62);
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  box-shadow:
    0 4px 12px rgba(37, 211, 102, 0.35),
    0 2px 4px rgba(0, 0, 0, 0.1);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
  animation: wa-pulse 2.5s ease-in-out infinite;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: scale(1.1);
  box-shadow:
    0 6px 20px rgba(37, 211, 102, 0.45),
    0 3px 6px rgba(0, 0, 0, 0.12);
}

.whatsapp-float svg {
  width: 1.75rem;
  height: 1.75rem;
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.55), 0 2px 4px rgba(0, 0, 0, 0.1); }
}

/* Agenda page */
.agenda-hero {
  padding: var(--spacing-12) 0 var(--spacing-16);
}

.agenda-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--spacing-10);
}

.agenda-header h1 {
  font-size: clamp(2.3rem, 6vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin-top: var(--spacing-4);
}

.agenda-header p {
  max-width: 50ch;
  margin-inline: auto;
  margin-top: var(--spacing-4);
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.agenda-widget {
  max-width: 720px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-light);
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow:
    0 4px 6px rgba(15, 23, 42, 0.03),
    0 12px 24px rgba(15, 23, 42, 0.06);
}

.agenda-widget .calendly-inline-widget {
  border-radius: var(--radius-lg);
}

.agenda-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
}

/* Responsive */
@media (min-width: 768px) {
  .site-header {
    position: sticky;
    top: 0;
  }

  .section {
    padding: var(--spacing-20) 0;
  }

  .hero {
    padding: var(--spacing-16) 0 var(--spacing-20);
  }

  .hero-layout,
  .cta-panel,
  .footer-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .value-grid,
  .comparison-grid,
  .steps-grid,
  .demos-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .comparison-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-6);
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-links,
  .nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
  }
}

@media (min-width: 1200px) {
  .value-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .comparison-grid,
  .steps-grid,
  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(440px, 0.92fr);
  }

  .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}