@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --color-primary: #0F172A;
  --color-on-primary: #FFFFFF;
  --color-secondary: #334155;
  --color-accent: #0369A1;
  --color-accent-hover: #075985;
  --color-background: #F8FAFC;
  --color-foreground: #020617;
  --color-muted: #E8ECF1;
  --color-muted-foreground: #64748B;
  --color-border: #E2E8F0;
  --color-destructive: #DC2626;
  --color-critical: #DC2626;
  --color-attention: #D97706;
  --color-ok: #16A34A;
  --color-ring: #0F172A;
  --color-surface: #FFFFFF;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);

  --container-max: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-8) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-7) 0;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

p {
  color: var(--color-secondary);
}

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--color-secondary);
  max-width: 640px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto var(--space-6);
  text-align: center;
}

.section-head.left {
  margin: 0 0 var(--space-6);
  text-align: left;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
  min-height: 48px;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-muted);
}

.btn-block {
  width: 100%;
}

.micro-copy {
  font-size: 13px;
  color: var(--color-muted-foreground);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cta-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.cta-stack.center {
  align-items: center;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-mark svg {
  width: 18px;
  height: 18px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cta .btn {
  padding: 10px 20px;
  min-height: 44px;
  font-size: 0.9rem;
}

/* Hero */
.hero {
  padding: var(--space-7) 0 var(--space-8);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.hero-copy h1 {
  margin-bottom: var(--space-4);
}

.hero-copy .lede {
  margin-bottom: var(--space-5);
}

/* Hero visual: mock Fila do Dia card stack */
.hero-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
}

.hero-visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.hero-visual-header span {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
}

.tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.tag-critical { background: #FEE2E2; color: var(--color-critical); }
.tag-attention { background: #FEF3C7; color: var(--color-attention); }
.tag-ok { background: #DCFCE7; color: var(--color-ok); }

.client-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
}

.client-card:last-child {
  margin-bottom: 0;
}

.client-info strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.client-info span {
  font-size: 0.8rem;
  color: var(--color-muted-foreground);
}

/* Problem section */
.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}

@media (max-width: 768px) {
  .problem-list {
    grid-template-columns: 1fr;
  }
}

.problem-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.problem-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: #FEF2F2;
  color: var(--color-destructive);
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-icon svg { width: 20px; height: 20px; }

.problem-item h3 {
  margin-bottom: var(--space-1);
  font-size: 1.05rem;
}

.problem-item p {
  font-size: 0.95rem;
}

/* Solution / 3 visões */
.solution-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .solution-tabs {
    grid-template-columns: 1fr;
  }
}

.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 200ms ease, transform 200ms ease;
}

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

.solution-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.solution-card h3 {
  margin-bottom: var(--space-2);
}

.solution-card p {
  font-size: 0.95rem;
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.benefit-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #ECFDF5;
  color: var(--color-ok);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.benefit-check svg { width: 16px; height: 16px; }

.benefit-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.benefit-item p {
  font-size: 0.92rem;
}

/* Proof */
.proof-section {
  background: var(--color-primary);
  color: white;
}

.proof-section h2 {
  color: white;
}

.proof-section .section-head p {
  color: #CBD5E1;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .testimonials {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.testimonial-card p {
  color: #E2E8F0;
  font-style: italic;
  margin-bottom: var(--space-3);
}

.testimonial-author {
  font-size: 0.85rem;
  color: #94A3B8;
  font-style: normal;
}

.proof-note {
  font-size: 0.82rem;
  color: #94A3B8;
  text-align: center;
  margin-bottom: var(--space-6);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-5);
}

@media (max-width: 768px) {
  .proof-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.proof-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
}

.proof-stat span {
  font-size: 0.85rem;
  color: #94A3B8;
}

/* Offer */
.offer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  max-width: 760px;
  margin: 0 auto;
}

.offer-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-4);
  margin: var(--space-5) 0 var(--space-6);
}

@media (max-width: 600px) {
  .offer-list {
    grid-template-columns: 1fr;
  }
}

.offer-list li {
  display: flex;
  gap: var(--space-2);
  font-size: 0.92rem;
  color: var(--color-secondary);
  align-items: flex-start;
  list-style: none;
}

.offer-list svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-ok);
  margin-top: 2px;
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
}

.faq-question .chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 200ms ease;
}

.faq-item.open .chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 250ms ease;
}

.faq-answer p {
  padding-bottom: var(--space-4);
  font-size: 0.95rem;
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1E293B 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-5);
  text-align: center;
}

.final-cta h2 {
  color: white;
  max-width: 700px;
  margin: 0 auto var(--space-3);
}

.final-cta p {
  color: #CBD5E1;
  max-width: 600px;
  margin: 0 auto var(--space-5);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--color-muted-foreground);
}