/* ========================================
   Simpplus - Site Institucional
   ======================================== */

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

:root {
  --color-primary: #4CAF50;
  --color-primary-dark: #388E3C;
  --color-secondary: #81C784;
  --color-bg: #0F0F1A;
  --color-bg-light: #1A1A2E;
  --color-bg-card: #16213E;
  --color-text: #E0E0E0;
  --color-text-muted: #A0A0B0;
  --color-white: #FFFFFF;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1100px;
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.logo-img {
  height: 40px;
  width: auto;
}

.footer-logo-img {
  height: 48px;
  width: auto;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--color-white);
  opacity: 1;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 24px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-bg-light);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.btn-store:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.store-icon {
  font-size: 1.5rem;
}

.store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.store-text small {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   Features
   ======================================== */
.features {
  padding: 100px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-light);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(76, 175, 80, 0.3);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================
   Download
   ======================================== */
.download {
  padding: 100px 0;
  text-align: center;
}

.download-description {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.download-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.download-note {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  text-align: center;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-content {
  padding: 120px 0 80px;
  max-width: 750px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

.legal-content section {
  margin-bottom: 32px;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.legal-content p {
  margin-bottom: 12px;
  color: var(--color-text);
  line-height: 1.7;
}

.legal-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal-content li {
  margin-bottom: 8px;
  color: var(--color-text);
  line-height: 1.6;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 32px 24px;
  }

  .legal-content {
    padding: 100px 24px 60px;
  }

  .legal-content h1 {
    font-size: 1.75rem;
  }
}