/* Modern Premium CSS - Andrey Weslley de Freitas 40163275807 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Tech Premium Theme */
  --ink: #0f172a;          /* Slate 900 */
  --muted: #475569;        /* Slate 600 */
  --line: #e2e8f0;         /* Slate 200 */
  --soft: #f8fafc;         /* Slate 50 */
  
  --hero-gradient: linear-gradient(135deg, #1e40af 0%, #0369a1 50%, #0891b2 100%);
  --hero-a: #1e40af;       /* Blue 800 */
  --hero-b: #0891b2;       /* Cyan 600 */
  
  --dark: #0f172a;         /* Slate 900 */
  --dark-bg: #090d16;      /* Deep dark */
  --accent: #10b981;       /* Emerald 500 (active elements / WhatsApp) */
  --accent-hover: #059669; /* Emerald 600 */
  --white: #ffffff;
}

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

html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  color: var(--ink);
  background-color: var(--soft);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-container {
  display: flex;
  min-height: 74px;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .header-container {
    flex-direction: row;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.logo-icon {
  display: grid;
  height: 3rem;
  width: 3rem;
  flex-shrink: 0;
  place-items: center;
  border-radius: 0.5rem;
  background: var(--hero-gradient);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  box-shadow: 0 10px 20px rgba(30, 64, 175, 0.2);
}

.logo-text {
  min-width: 0;
  line-height: 1.2;
}

.logo-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 250px;
}

@media (min-width: 400px) {
  .logo-title {
    max-width: 350px;
  }
}

.logo-subtitle {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
}

.nav-link:hover {
  color: var(--hero-a);
  background-color: rgba(30, 64, 175, 0.05);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 0.5rem;
  background-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3);
}

.cta-button:active {
  transform: translateY(0);
}

/* Hero Section */
.hero {
  border-bottom: 1px solid var(--line);
  background: var(--hero-gradient);
  color: var(--white);
  padding-top: 4rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 60rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-description {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
  max-width: 48rem;
  margin-bottom: 2rem;
  white-space: pre-line;
}

@media (min-width: 640px) {
  .hero-description {
    font-size: 1.125rem;
  }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 0.5rem;
  background-color: var(--white);
  color: var(--hero-a);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.btn-white:hover {
  background-color: #f1f5f9;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 0.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.hero-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.5rem;
  padding: 1.25rem;
  backdrop-filter: blur(4px);
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
}

.stat-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.375rem;
  letter-spacing: 0.05em;
}

.stat-value {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  word-break: break-all;
}

/* Features/About Section */
.features {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

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

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.75rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.03);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
  border-color: rgba(30, 64, 175, 0.2);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 18px;
  background: var(--hero-b);
  border-radius: 2px;
}

.feature-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* Official Data Section */
.data-section {
  background-color: #f1f5f9;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.data-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
}

.data-grid {
  display: grid;
  gap: 1.5rem 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .data-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.data-item {
  min-width: 0;
}

.data-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.data-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  word-break: break-word;
}

.divider {
  grid-column: 1 / -1;
  height: 1px;
  background-color: var(--line);
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
  background-color: var(--dark);
  color: var(--white);
  padding-top: 4rem;
  padding-bottom: 4rem;
}

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

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.contact-title {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.contact-channels {
  display: grid;
  gap: 0.75rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.5rem;
  padding: 1.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.contact-info {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 1.75rem;
  line-height: 1.7;
}

.contact-info-title {
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: block;
}

.contact-info-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 3rem;
  padding-bottom: 3rem;
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.6fr 0.4fr;
  }
}

.footer-company {
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.footer-legal-text {
  font-size: 0.8125rem;
  line-height: 1.625;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .footer-links {
    align-items: flex-end;
  }
}

.footer-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

.footer-link:hover {
  color: var(--hero-b);
}

/* Modal CSS-Only System */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.75);
  padding: 1.25rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal:target {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  cursor: default;
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 48rem;
  max-height: 80vh;
  overflow-y: auto;
  border-radius: 0.75rem;
  background: var(--white);
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  z-index: 10;
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal:target .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  right: 1.25rem;
  top: 1rem;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1;
  cursor: pointer;
}

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

.modal-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-right: 2rem;
}

.modal-text {
  font-size: 0.875rem;
  line-height: 1.75;
  color: #334155;
  white-space: pre-line;
}

.modal-text p {
  margin-bottom: 1rem;
}

.modal-text h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}