/**
 * KaleTec — Landing page institucional
 */
:root {
  --kt-primary: #0d9488;
  --kt-primary-dark: #0f766e;
  --kt-accent: #2563eb;
  --kt-navy: #0f172a;
  --kt-slate: #334155;
  --kt-muted: #64748b;
  --kt-bg: #f8fafc;
  --kt-surface: #ffffff;
  --kt-border: #e2e8f0;
  --kt-radius: 12px;
  --kt-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --kt-nav-h: 72px;
}

body:not(.logged-in-app) {
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  color: var(--kt-slate);
  background: var(--kt-bg);
  scroll-behavior: smooth;
}

#container-principal {
  padding: 0;
  max-width: none;
}

/* Navbar */
.kt-navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--kt-border);
  min-height: var(--kt-nav-h);
  margin-bottom: 0;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.kt-navbar .navbar-brand {
  padding: 10px 15px;
  height: auto;
}

.kt-navbar .navbar-brand img {
  max-height: 44px;
  width: auto;
}

.kt-navbar .nav > li > a {
  color: var(--kt-slate) !important;
  font-weight: 500;
  padding: 24px 14px;
  transition: color 0.2s;
}

.kt-navbar .nav > li > a:hover,
.kt-navbar .nav > li > a:focus {
  color: var(--kt-primary) !important;
  background: transparent !important;
}

.kt-navbar .navbar-right .btn-nav-login {
  margin: 18px 6px 18px 0;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid var(--kt-border);
  background: var(--kt-surface);
  color: var(--kt-slate) !important;
}

.kt-navbar .navbar-right .btn-nav-primary {
  margin: 18px 15px 18px 0;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600;
  background: var(--kt-primary);
  color: #fff !important;
  border: none;
}

.kt-navbar .navbar-right .btn-nav-primary:hover {
  background: var(--kt-primary-dark);
}

/* Hero */
.kt-hero {
  position: relative;
  min-height: calc(100vh - var(--kt-nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #134e4a 100%);
  color: #fff;
  padding: 80px 0 100px;
}

.kt-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 40%);
  pointer-events: none;
}

.kt-hero-inner {
  position: relative;
  z-index: 1;
}

.kt-hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.2);
  border: 1px solid rgba(13, 148, 136, 0.4);
  color: #99f6e4;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.kt-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 20px;
  color: #fff;
}

.kt-hero-lead {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  line-height: 1.6;
  color: #cbd5e1;
  max-width: 560px;
  margin-bottom: 32px;
}

.kt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.kt-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none !important;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: none;
  cursor: pointer;
}

.kt-btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.kt-btn-primary {
  background: var(--kt-primary);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
}

.kt-btn-primary:hover {
  background: var(--kt-primary-dark);
  color: #fff !important;
}

.kt-btn-outline {
  background: transparent;
  color: #fff !important;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.kt-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff !important;
}

.kt-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.kt-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: #5eead4;
}

.kt-stat span {
  font-size: 0.875rem;
  color: #94a3b8;
}

/* Sections */
.kt-section {
  padding: 80px 0;
}

.kt-section-alt {
  background: var(--kt-surface);
}

.kt-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.kt-section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--kt-navy);
  margin: 0 0 12px;
}

.kt-section-header p {
  font-size: 1.1rem;
  color: var(--kt-muted);
  line-height: 1.6;
  margin: 0;
}

.kt-section-label {
  display: inline-block;
  color: var(--kt-primary);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

/* Service cards */
.kt-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.kt-service-card {
  background: var(--kt-surface);
  border: 1px solid var(--kt-border);
  border-radius: var(--kt-radius);
  padding: 28px;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
  height: 100%;
}

.kt-service-card:hover {
  box-shadow: var(--kt-shadow);
  border-color: #99f6e4;
  transform: translateY(-2px);
}

.kt-service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  background: #ccfbf1;
  color: var(--kt-primary-dark);
}

.kt-service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--kt-navy);
  margin: 0 0 10px;
}

.kt-service-card p {
  font-size: 0.9375rem;
  color: var(--kt-muted);
  line-height: 1.55;
  margin: 0;
}

/* Totvs highlight */
.kt-totvs-banner {
  margin-top: 48px;
  padding: 32px 40px;
  border-radius: var(--kt-radius);
  background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.kt-totvs-banner h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 700;
}

.kt-totvs-banner p {
  margin: 0;
  opacity: 0.9;
  max-width: 520px;
}

.kt-totvs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kt-tag {
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 500;
}

/* Portfolio */
.kt-portfolio .carousel {
  border-radius: var(--kt-radius);
  overflow: hidden;
  box-shadow: var(--kt-shadow);
  margin-bottom: 32px;
}

.kt-portfolio .carousel-inner > .item > img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.kt-portfolio .carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: auto;
  padding: 24px 32px;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
  text-align: left;
}

.kt-portfolio .carousel-caption h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: #fff;
}

.kt-portfolio .carousel-caption p {
  font-size: 0.9375rem;
  margin: 0;
  color: #cbd5e1;
}

/* About */
.kt-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.kt-about-grid img {
  border-radius: var(--kt-radius);
  box-shadow: var(--kt-shadow);
  width: 100%;
}

.kt-about-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kt-navy);
  margin: 16px 0;
}

.kt-about-content p {
  line-height: 1.7;
  color: var(--kt-muted);
  margin-bottom: 16px;
}

.kt-contact-info {
  margin-top: 24px;
  padding: 20px;
  background: var(--kt-bg);
  border-radius: var(--kt-radius);
  border: 1px solid var(--kt-border);
}

.kt-contact-info p {
  margin: 0 0 8px;
  font-size: 0.9375rem;
}

.kt-contact-info a {
  color: var(--kt-primary);
}

/* Clients */
.kt-clients {
  margin-top: 48px;
  text-align: center;
}

.kt-clients h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--kt-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.kt-clients-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px;
}

.kt-clients-row img {
  max-height: 56px;
  width: auto;
  opacity: 0.75;
  filter: grayscale(30%);
  transition: opacity 0.2s;
}

.kt-clients-row img:hover {
  opacity: 1;
  filter: none;
}

/* Contact */
.kt-contact-section {
  background: linear-gradient(180deg, var(--kt-bg) 0%, #ecfdf5 100%);
}

.kt-contact-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--kt-surface);
  border-radius: var(--kt-radius);
  padding: 40px;
  box-shadow: var(--kt-shadow);
  border: 1px solid var(--kt-border);
}

.kt-contact-card h2 {
  text-align: center;
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--kt-navy);
}

.kt-contact-card .kt-section-sub {
  text-align: center;
  color: var(--kt-muted);
  margin-bottom: 28px;
}

.kt-contact-card .form-group label {
  font-weight: 600;
  color: var(--kt-slate);
}

.kt-contact-card .form-control {
  border-radius: 8px;
  border-color: var(--kt-border);
  padding: 10px 14px;
}

.kt-contact-card .form-control:focus {
  border-color: var(--kt-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.kt-contact-card .messages {
  margin-bottom: 16px;
}

.kt-contact-card .messages .alert {
  margin-bottom: 0;
}

/* Footer */
#footer.kt-footer {
  background: var(--kt-navy);
  color: #94a3b8;
  padding: 40px 0 24px;
}

#footer.kt-footer p {
  margin: 0;
  font-size: 0.875rem;
}

#footer.kt-footer a {
  color: #5eead4;
}

#to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  padding: 0;
  display: none;
  background: var(--kt-primary);
  border: none;
  color: #fff;
}

#to-top:hover {
  background: var(--kt-primary-dark);
}

/* Legacy section visibility — single page */
#intro,
#services,
#references,
#divsobre,
#divcontato {
  display: block !important;
}

/* Responsive */
@media (max-width: 991px) {
  .kt-about-grid {
    grid-template-columns: 1fr;
  }

  .kt-navbar .nav > li > a {
    padding: 12px 15px;
  }

  .kt-navbar .navbar-right .btn-nav-login,
  .kt-navbar .navbar-right .btn-nav-primary {
    margin: 8px 15px;
    display: block;
    text-align: center;
  }
}

@media (max-width: 767px) {
  .kt-section {
    padding: 56px 0;
  }

  .kt-hero {
    min-height: auto;
    padding: 60px 0 80px;
  }

  .kt-totvs-banner {
    padding: 24px;
  }

  .kt-contact-card {
    padding: 24px;
  }
}