/**
 * Integrum Web - Landing Page
 * Paleta: #002d3d #076077 #148dad #14a9c8 #cae9ef #ffffff
 */

:root {
  --integrum-primary: #002d3d;
  --integrum-primary-light: #076077;
  --integrum-accent: #148dad;
  --integrum-accent-hover: #14a9c8;
  --integrum-bg: #cae9ef;
  --integrum-bg-alt: #ffffff;
  --integrum-text: #003b4c;
  --integrum-muted: #005469;
  --integrum-border: #57c5e8;
}

* {
  scroll-behavior: smooth;
}

body {
  font-family: "DM Sans", "Segoe UI", system-ui, sans-serif;
  color: var(--integrum-text);
  overflow-x: hidden;
}

/* Hero */
.integrum-hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--integrum-primary) 0%, var(--integrum-primary-light) 50%, var(--integrum-accent) 100%);
  position: relative;
  overflow: hidden;
}

.integrum-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.integrum-hero .container {
  position: relative;
  z-index: 1;
}

.integrum-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.integrum-hero .lead {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 540px;
}

.integrum-hero .badge-new {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 0.35em 0.85em;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Header moderno */
.integrum-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 0.75rem 0;
  background: rgba(0, 45, 61, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.integrum-header.scrolled {
  padding: 0.5rem 0;
  background: rgba(0, 45, 61, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.integrum-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

.integrum-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s;
}

.integrum-logo:hover {
  opacity: 0.9;
}

.integrum-logo-img {
  height: 40px;
  width: auto;
  max-height: 44px;
  object-fit: contain;
  display: block;
}

.integrum-nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.integrum-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.integrum-nav-link i {
  font-size: 1.1rem;
}

.integrum-nav-link--outline {
  color: #fff;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.integrum-nav-link--outline:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}

.integrum-nav-link--fill {
  color: #fff;
  background: var(--integrum-accent);
  border: 1.5px solid var(--integrum-accent);
}

.integrum-nav-link--fill:hover {
  color: #fff;
  background: var(--integrum-accent-hover);
  border-color: var(--integrum-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(20, 137, 173, 0.4);
}

/* Menu hamburger */
.integrum-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s;
}

.integrum-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  margin: 0 auto;
  transition: all 0.3s;
}

.integrum-menu-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.integrum-menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.integrum-menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.integrum-menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 991px) {
  .integrum-header {
    background: rgba(0, 45, 61, 0.95);
    backdrop-filter: blur(20px);
  }

  .integrum-menu-btn {
    display: flex;
  }

  .integrum-nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: rgba(0, 45, 61, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 0 0 16px 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    margin-top: 0.5rem;
  }

  .integrum-nav-links.collapse:not(.show) {
    display: none;
  }

  .integrum-nav-links.collapse.show {
    display: flex;
  }

  .integrum-nav-link {
    width: 100%;
    justify-content: center;
  }
}

/* Botão flutuante WhatsApp */
.integrum-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #fff !important;
  border-radius: 50%;
  font-size: 1.75rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  z-index: 9999;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.integrum-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
  color: #fff !important;
}

.integrum-whatsapp:active {
  transform: scale(0.98);
}

/* CTA Buttons Hero */
.integrum-hero .btn-cta {
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.25s ease;
}

.integrum-hero .btn-cta-primary {
  background: #fff;
  color: var(--integrum-primary);
  border: none;
}

.integrum-hero .btn-cta-primary:hover {
  background: var(--integrum-bg);
  color: var(--integrum-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.integrum-hero .btn-cta-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.integrum-hero .btn-cta-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
}

/* Features Section */
.integrum-features {
  background: var(--integrum-bg-alt);
  padding: 5rem 0;
}

.integrum-features .section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--integrum-primary);
  margin-bottom: 3rem;
}

.integrum-feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  height: 100%;
  border: 1px solid rgba(7, 96, 119, 0.1);
  transition: all 0.3s ease;
}

.integrum-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 45, 61, 0.12);
  border-color: var(--integrum-border);
}

.integrum-feature-card .icon-wrap {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--integrum-accent), var(--integrum-accent-hover));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.integrum-feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--integrum-primary);
  margin-bottom: 0.5rem;
}

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

/* CTA Section */
.integrum-cta {
  background: linear-gradient(135deg, var(--integrum-primary) 0%, var(--integrum-primary-light) 100%);
  padding: 4rem 0;
}

.integrum-cta h2 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.integrum-cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
}

.integrum-cta .btn-light {
  background: #fff;
  color: var(--integrum-primary);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.integrum-cta .btn-light:hover {
  background: var(--integrum-bg);
  color: var(--integrum-primary);
  transform: translateY(-2px);
}

/* Footer */
.integrum-footer {
  background: var(--integrum-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 2rem 0;
  font-size: 0.9rem;
}

.integrum-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s;
}

.integrum-footer a:hover {
  color: #fff;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.integrum-hero .hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.integrum-feature-card {
  animation: fadeInUp 0.6s ease-out backwards;
}

.integrum-feature-card:nth-child(1) { animation-delay: 0.1s; }
.integrum-feature-card:nth-child(2) { animation-delay: 0.2s; }
.integrum-feature-card:nth-child(3) { animation-delay: 0.3s; }
.integrum-feature-card:nth-child(4) { animation-delay: 0.4s; }
.integrum-feature-card:nth-child(5) { animation-delay: 0.5s; }