/* =========================================================
   Acessibilidade: skip link e foco visível
   ========================================================= */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-lime);
  color: #000;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #000;
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-lime);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Remove outline para cliques com mouse, mantém para teclado */
:focus:not(:focus-visible) {
  outline: none;
}

/* =========================================================
   Header / Navegação
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.72);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.brand-mark {
  width: 26px;
  height: 26px;
  background: url("../images/logo/yottaflow-mark.svg") center / contain no-repeat;
  filter: drop-shadow(0 0 12px rgba(162, 183, 0, 0.45));
  flex-shrink: 0;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-gray-400);
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

.menu-btn {
  display: none;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-white);
  border-radius: var(--radius-full);
  padding: 0.5rem 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-full);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition),
    border-color var(--transition);
  padding: 0.9rem 1.2rem;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(120deg, var(--color-lime), var(--color-lime-bright));
  color: #0b1200;
  box-shadow: var(--shadow-glow);
}

.button-secondary {
  border-color: var(--color-border-lime);
  background: rgba(162, 183, 0, 0.08);
  color: var(--color-white);
}

.button-tertiary {
  border-color: var(--color-border);
  color: var(--color-gray-400);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
}

.card {
  grid-column: span 4;
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(0, 52, 56, 0.28), rgba(255, 255, 255, 0.02));
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: var(--space-3);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-lime-bright);
  text-decoration: none;
  transition: gap var(--transition), opacity var(--transition);
}

.card-link:hover {
  gap: 0.55rem;
  opacity: 0.85;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-lime);
  padding: 0.38rem 0.7rem;
  font-size: 0.8rem;
  color: var(--color-lime-bright);
  background: rgba(162, 183, 0, 0.09);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: center;
}

.kpi-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.kpi {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.02);
}

.kpi strong {
  display: block;
  font-size: 1.5rem;
  color: var(--color-lime-bright);
}

.cta-panel {
  border: 1px solid var(--color-border-lime);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: radial-gradient(circle at 10% 10%, rgba(162, 183, 0, 0.22), rgba(0, 52, 56, 0.8));
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  color: var(--color-gray-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
}

.list-clean {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.hero-aura {
  position: absolute;
  inset: -30% -10% auto;
  height: 70vh;
  pointer-events: none;
  filter: blur(40px);
  z-index: 1;
}

.hero-aura::before,
.hero-aura::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  animation: float 12s ease-in-out infinite;
}

.hero-aura::before {
  width: min(44vw, 480px);
  height: min(44vw, 480px);
  top: 20px;
  left: 5%;
  background: radial-gradient(circle, rgba(0, 140, 145, 0.8), rgba(0, 52, 56, 0));
}

.hero-aura::after {
  width: min(40vw, 440px);
  height: min(40vw, 440px);
  top: 70px;
  right: 8%;
  background: radial-gradient(circle, rgba(162, 183, 0, 0.65), rgba(162, 183, 0, 0));
  animation-delay: -2s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(16px) translateX(8px);
  }
}

@media (max-width: 980px) {
  .card {
    grid-column: span 6;
  }

  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .kpi-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 740px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    right: 1rem;
    width: min(280px, calc(100vw - 2rem));
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

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

  .card,
  .kpi {
    grid-column: span 12;
  }

  .kpi-list {
    grid-template-columns: 1fr;
  }
}

/* Botao WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #25d366;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.whatsapp-float:hover {
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  transform: translateY(-2px);
}

.whatsapp-float svg {
  flex-shrink: 0;
}

@media (max-width: 740px) {
  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float {
    padding: 0.85rem;
  }
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--color-lime-bright);
  border-color: var(--color-border-lime);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* ── Company Stats Strip ───────────────────────────── */
.stats-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}

.stats-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
}

.stat-item strong {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--color-lime-bright);
  line-height: 1;
}

.stat-item span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ── Clients Wall ──────────────────────────────────── */
.clients-wall {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.clients-wall .clients-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

.clients-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(var(--space-4), 4vw, var(--space-7));
}

.client-logo {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.45;
  transition: opacity var(--transition), color var(--transition);
  cursor: default;
}

.client-logo:hover {
  opacity: 0.85;
  color: var(--color-white);
}

/* ── Testimonials ──────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.testimonial-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(0, 52, 56, 0.22), rgba(255, 255, 255, 0.01));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.testimonial-quote {
  font-size: 0.97rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
}

.testimonial-quote::before {
  content: "\201C";
  display: block;
  font-size: 2.8rem;
  line-height: 1;
  color: var(--color-lime);
  opacity: 0.5;
  margin-bottom: -0.4rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-teal), var(--color-lime));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.82rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.testimonial-info strong {
  display: block;
  font-size: 0.88rem;
  color: var(--color-white);
}

.testimonial-info span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ── Microsoft Partner Badge ───────────────────────── */
.ms-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid rgba(0, 120, 212, 0.35);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #5ba8f5;
  background: rgba(0, 120, 212, 0.09);
  margin-top: var(--space-2);
}

/* ── Portfolio Filter Bar ──────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.filter-btn {
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-border-lime);
  color: var(--color-white);
}

.filter-btn.active {
  background: rgba(162, 183, 0, 0.12);
  border-color: var(--color-lime);
  color: var(--color-lime-bright);
}

.portfolio-card.hidden {
  display: none;
}

/* ── Cookie Banner (LGPD) ──────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: calc(var(--z-overlay) - 1);
  background: var(--color-gray-900);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 680px;
}

.cookie-banner p a {
  color: var(--color-lime-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.cookie-accept {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-lime);
  color: #0b1200;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
}

.cookie-accept:hover {
  background: var(--color-lime-bright);
}

.cookie-reject {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.cookie-reject:hover {
  color: var(--color-white);
  border-color: var(--color-gray-400);
}

@media (max-width: 980px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-strip .container {
    gap: var(--space-6);
  }
}

@media (max-width: 740px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Language switcher (globo + dropdown) ===== */
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.lang-switcher {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.lang-toggle:hover,
.lang-toggle[aria-expanded="true"] {
  color: var(--color-text);
  border-color: var(--color-border-lime);
}

.lang-toggle svg {
  flex-shrink: 0;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 210px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.4);
  z-index: var(--z-overlay);
}

.lang-menu[hidden] {
  display: none;
}

.lang-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-option:hover,
.lang-option:focus-visible {
  background: rgba(162, 183, 0, 0.12);
}

.lang-option.is-active {
  color: var(--color-lime);
  font-weight: 700;
}

[data-theme="light"] .lang-menu {
  background: #ffffff;
}

@media (max-width: 740px) {
  .lang-toggle [data-lang-current] {
    display: none;
  }
}