/* ============================================
   COMPONENTES GLOBAIS — D.T SAFETY ENGINEERING
   ============================================ */

/* ---- Navbar ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: padding var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav.is-scrolled {
  padding: 12px 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(0, 168, 107, 0.08);
  box-shadow: var(--shadow-xs);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.02em;
  color: var(--color-black);
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-btn);
}

.nav__logo-mark svg {
  width: 18px;
  height: 18px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-graphite);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-green);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-black);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-green);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-glow), var(--shadow-btn);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-black);
  border: 1.5px solid var(--color-green-border);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  border-color: var(--color-green);
  box-shadow: var(--shadow-soft);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 13px;
}

.btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* ---- Badge / Etiqueta ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--gradient-green-soft);
  border: 1px solid var(--color-green-border);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-green-dark);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  animation: badgePulse 2.5s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ---- Glass Card ---- */
.glass-card {
  background: var(--gradient-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

/* ---- Texto com gradiente ---- */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Footer ---- */
.footer {
  position: relative;
  padding: 80px 0 40px;
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(0,168,107,0.03) 50%, rgba(0,168,107,0.06) 100%);
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,168,107,0.2), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer__brand p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  max-width: 280px;
  margin-top: 16px;
}

.footer__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-black);
  margin-bottom: 20px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 14px;
  color: var(--color-gray);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-green);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 168, 107, 0.1);
  font-size: 13px;
  color: var(--color-gray);
}

/* ---- Nav mobile toggle ---- */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ---- Mobile menu ---- */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 100px 32px 40px;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.nav__mobile.is-open {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.nav__mobile-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-black);
  padding: 14px 0;
  width: 100%;
  text-align: center;
  border-bottom: 1px solid rgba(0,168,107,0.08);
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover { color: var(--color-green); }

.nav__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.nav__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}