/* ============================================================
   SPINGERE — Liquid Glass design system
   Inspirado na linguagem visual da Apple (2025+)
   ============================================================ */

:root {
  --bg: #050507;
  --text: #f5f5f7;
  --text-dim: rgba(245, 245, 247, 0.62);
  --text-faint: rgba(245, 245, 247, 0.4);

  --accent-1: #ffb347;
  --accent-2: #ff6b1a;
  --accent-3: #e83400;
  --gradient: linear-gradient(110deg, var(--accent-1), var(--accent-2) 50%, var(--accent-3));

  --glass-bg: rgba(255, 255, 255, 0.055);
  --glass-bg-strong: rgba(255, 255, 255, 0.085);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.28);

  --radius: 28px;
  --radius-sm: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}

::selection { background: rgba(122, 122, 255, 0.4); }

/* ------------------------------------------------------------
   Fundo ambiente — orbes de luz + granulado
   ------------------------------------------------------------ */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.5;
  animation: drift 26s var(--ease) infinite alternate;
}

.orb-1 {
  width: 60vw; height: 60vw;
  top: -22vw; left: -12vw;
  background: radial-gradient(circle, #b83a00 0%, transparent 65%);
}

.orb-2 {
  width: 48vw; height: 48vw;
  top: 24vh; right: -16vw;
  background: radial-gradient(circle, #a02800 0%, transparent 65%);
  animation-delay: -8s;
}

.orb-3 {
  width: 42vw; height: 42vw;
  bottom: -18vw; left: 26vw;
  background: radial-gradient(circle, #7a2000 0%, transparent 65%);
  animation-delay: -16s;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(6vw, 4vh, 0) scale(1.15); }
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ------------------------------------------------------------
   Vidro (Liquid Glass)
   ------------------------------------------------------------ */
.glass,
.glass-strong {
  position: relative;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.glass-strong { background: var(--glass-bg-strong); }

/* brilho especular na borda superior */
.glass::before,
.glass-strong::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, var(--glass-highlight), transparent 38%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Navegação — pílula flutuante
   ------------------------------------------------------------ */
.nav-wrap {
  position: fixed;
  top: 18px;
  left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 14px 10px 20px;
  border-radius: 999px;
  width: min(1080px, 100%);
  justify-content: space-between;
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease);
}

.nav.scrolled {
  background: rgba(10, 10, 14, 0.55);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 6px rgba(255, 107, 26, 0.7));
}

.nav-links {
  display: flex;
  gap: 18px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.25s;
}

.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

/* ------------------------------------------------------------
   Botões
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 30px rgba(255, 107, 26, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 44px rgba(255, 107, 26, 0.5);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.btn-ghost .arrow { transition: transform 0.3s var(--ease); }
.btn-ghost:hover .arrow { transform: translateX(4px); }

.btn-small {
  padding: 9px 20px;
  font-size: 0.85rem;
  background: var(--text);
  color: #000;
}

.btn-small:hover { transform: scale(1.04); }

/* ------------------------------------------------------------
   Tipografia / seções
   ------------------------------------------------------------ */
.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 18px;
}

.eyebrow em { text-transform: none; letter-spacing: 0; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section {
  max-width: 1140px;
  margin: 0 auto;
  padding: 110px 24px;
}

.section-center { text-align: center; }

.section-title {
  font-size: clamp(2.2rem, 5.4vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 28px;
}

.section-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: end;
}

.section-lead {
  color: var(--text-dim);
  font-size: 1.08rem;
  line-height: 1.7;
  padding-bottom: 32px;
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 150px 24px 80px;
  max-width: 1140px;
  margin: 0 auto;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(82vw, 980px);
  height: min(62vw, 700px);
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.09), transparent 68%);
  filter: blur(28px);
  pointer-events: none;
}

.hero > :not(.neural-canvas) {
  position: relative;
  z-index: 2;
}

.neural-canvas {
  position: absolute;
  z-index: 1;
  inset: 72px 0 12%;
  width: 100%;
  height: calc(88% - 72px);
  pointer-events: none;
  opacity: 0.92;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 12%, #000 78%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 12%, #000 78%, transparent 100%);
}

.hero-title {
  text-shadow: 0 12px 46px rgba(5, 5, 7, 0.72);
  font-size: clamp(3rem, 8.5vw, 6.2rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.03;
  margin-bottom: 26px;
}

.hero-sub {
  text-shadow: 0 4px 24px rgba(5, 5, 7, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 90px;
}

.hero-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4vw, 52px);
  padding: 34px clamp(24px, 5vw, 60px);
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-faint);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: var(--glass-border);
}

/* ------------------------------------------------------------
   Bento grid — soluções
   ------------------------------------------------------------ */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.card {
  padding: 34px 30px;
  transition: transform 0.5s var(--ease), background 0.4s, box-shadow 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-strong);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.card-lg { grid-row: span 2; display: flex; flex-direction: column; justify-content: flex-end; min-height: 380px; }
.card-wide { grid-column: span 2; }

.card-icon {
  font-size: 1.6rem;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--gradient);
  margin-bottom: 22px;
  box-shadow: 0 8px 24px rgba(255, 107, 26, 0.35);
}

.card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.card-link {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ------------------------------------------------------------
   SAP Customer Experience
   ------------------------------------------------------------ */
.sap-cx-section { max-width: 1220px; }

.cx-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 28px;
  margin: 34px 0 22px;
}

.cx-flow a {
  display: flex;
  min-width: 0;
  flex-direction: column;
  color: var(--text);
  text-decoration: none;
}

.cx-flow a > span {
  color: var(--accent-1);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.cx-flow strong { margin: 4px 0 2px; }
.cx-flow small { color: var(--text-faint); }
.cx-flow i { color: var(--text-faint); font-style: normal; }

.commerce-spotlight {
  padding: clamp(34px, 5vw, 68px);
  overflow: hidden;
}

.commerce-spotlight::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -180px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.22), transparent 68%);
  pointer-events: none;
}

.commerce-heading {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: end;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--glass-border);
}

.product-kicker {
  display: inline-block;
  padding: 7px 12px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 179, 71, 0.35);
  border-radius: 999px;
  color: var(--accent-1);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.commerce-heading h3 {
  max-width: 640px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.commerce-summary p {
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.text-link {
  color: var(--accent-1);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

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

.commerce-value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 42px 0;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-border);
}

.value-card {
  min-height: 220px;
  padding: 28px;
  background: rgba(8, 8, 11, 0.88);
}

.value-card > span,
.product-number {
  color: var(--accent-1);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.value-card h4 {
  margin: 28px 0 10px;
  font-size: 1.1rem;
}

.value-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.commerce-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.commerce-detail-grid h4 {
  margin-bottom: 20px;
  font-size: 1.15rem;
}

.check-list,
.product-points {
  list-style: none;
}

.check-list li,
.product-points li {
  position: relative;
  padding-left: 24px;
  color: var(--text-dim);
}

.check-list li + li,
.product-points li + li { margin-top: 11px; }

.check-list li::before,
.product-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 0 12px rgba(255, 107, 26, 0.55);
}

.cx-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.product-card {
  scroll-margin-top: 110px;
  padding: 38px;
  transition: transform 0.5s var(--ease), background 0.4s;
}

.product-card:hover {
  transform: translateY(-5px);
  background: var(--glass-bg-strong);
}

.product-card-accent {
  background: linear-gradient(145deg, rgba(255, 107, 26, 0.12), var(--glass-bg));
}

.product-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.product-label {
  color: var(--text-faint);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-card h3 {
  max-width: 520px;
  margin-bottom: 16px;
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.product-card > p {
  color: var(--text-dim);
  line-height: 1.65;
}

.product-points {
  margin: 24px 0;
  padding: 22px 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.92rem;
}

.product-card .product-outcome {
  margin-bottom: 22px;
  color: var(--text-dim);
}

.product-outcome strong { color: var(--text); }

.cx-close {
  display: grid;
  grid-template-columns: 0.7fr 1.2fr 1fr auto;
  gap: 32px;
  align-items: center;
  margin-top: 18px;
  padding: 34px;
}

.cx-close .eyebrow { margin: 0; }

.cx-close h3 {
  font-size: 1.3rem;
  line-height: 1.25;
}

.cx-close > p:not(.eyebrow) {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.cx-close .btn {
  justify-content: center;
  text-align: center;
}

/* ------------------------------------------------------------
   Destaque IA
   ------------------------------------------------------------ */
.feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.feature-sub {
  color: var(--text-dim);
  font-size: 1.08rem;
  margin-bottom: 26px;
  max-width: 480px;
}

.feature-list {
  list-style: none;
  margin-bottom: 36px;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text-dim);
}

.feature-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* visual orbital animado */
.feature-visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
}

.ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  animation: spin 18s linear infinite;
}

.ring::after {
  content: "";
  position: absolute;
  top: -5px; left: 50%;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 16px var(--accent-1);
}

.ring-2 { inset: 16%; animation-duration: 12s; animation-direction: reverse; }
.ring-2::after { background: var(--accent-2); box-shadow: 0 0 20px var(--accent-2); }

.ring-3 { inset: 32%; animation-duration: 8s; }
.ring-3::after { background: var(--accent-3); box-shadow: 0 0 20px var(--accent-3); }

.core {
  position: absolute;
  inset: 42%;
  border-radius: 50%;
  background: var(--gradient);
  filter: blur(2px);
  box-shadow: 0 0 60px rgba(255, 107, 26, 0.8);
  animation: pulse 3.2s var(--ease) infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50%      { transform: scale(1.18); opacity: 1; }
}

/* ------------------------------------------------------------
   Firmbeat — painel de indicadores em tempo real
   ------------------------------------------------------------ */
.firmbeat-visual {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.firmbeat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 2px;
}

.firmbeat-mark {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1rem;
}

.firmbeat-live {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  color: #4ade80;
  letter-spacing: 0.04em;
  animation: fb-pulse 2.2s ease-in-out infinite;
}

@keyframes fb-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.firmbeat-kpis {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fb-kpi {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.fb-kpi:hover {
  border-color: rgba(255, 107, 26, 0.35);
  transform: translateX(4px);
}

.fb-emoji {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.fb-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fb-metric {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fb-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.fb-kpi-warn {
  border-color: rgba(255, 190, 0, 0.22);
}

.fb-kpi-warn .fb-metric {
  background: linear-gradient(110deg, #ffcc00, #ff8c00);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fb-kpi-loss {
  border-color: rgba(255, 80, 50, 0.2);
}

.fb-kpi-loss .fb-metric {
  background: linear-gradient(110deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ------------------------------------------------------------
   Language switcher
   ------------------------------------------------------------ */
.lang-switcher {
  position: relative;
  flex-shrink: 0;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 6px 11px;
  color: var(--text-dim);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.lang-btn:hover {
  border-color: rgba(255, 107, 26, 0.5);
  color: var(--text);
}

.lang-btn svg {
  opacity: 0.6;
  transition: transform 0.2s;
}

.lang-switcher.open .lang-btn svg {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 74px;
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
  z-index: 300;
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-option {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 7px 12px;
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s, color 0.15s;
}

.lang-option:hover,
.lang-option.active {
  background: rgba(255, 107, 26, 0.15);
  color: var(--accent-2);
}

/* ------------------------------------------------------------
   Cases
   ------------------------------------------------------------ */
.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.case {
  padding: 36px 32px;
  transition: transform 0.5s var(--ease), background 0.4s;
}

.case:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-strong);
}

.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  color: var(--text-faint);
  margin-bottom: 20px;
}

.case h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.case p { color: var(--text-dim); font-size: 0.95rem; }

/* ------------------------------------------------------------
   Parceiros
   ------------------------------------------------------------ */
.partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding: 44px clamp(28px, 5vw, 64px);
  margin-top: 50px;
}

.partners a,
.partners span {
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-faint);
  transition: color 0.3s, transform 0.3s var(--ease);
  cursor: default;
}

.partners a { text-decoration: none; }

.partners a:hover,
.partners span:hover {
  color: var(--text);
  transform: scale(1.08);
}

/* ------------------------------------------------------------
   Sobre
   ------------------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mini-card {
  padding: 26px 28px;
  border-radius: var(--radius-sm);
  transition: transform 0.45s var(--ease), background 0.4s;
}

.mini-card:hover {
  transform: translateX(8px);
  background: var(--glass-bg-strong);
}

.mini-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.mini-card p { color: var(--text-dim); font-size: 0.9rem; }

/* ------------------------------------------------------------
   CTA / formulário
   ------------------------------------------------------------ */
.cta {
  padding: clamp(48px, 7vw, 90px);
  max-width: 760px;
  margin: 0 auto;
}

.cta .feature-sub { margin-left: auto; margin-right: auto; }

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 540px;
  margin: 28px auto 0;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cta-form input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 20px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.cta-form input:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.18);
}

.cta-form input::placeholder { color: var(--text-faint); }

.cta-form .btn {
  align-self: center;
  margin-top: 4px;
}

.form-error {
  color: #ff7070;
  font-size: 0.87rem;
  margin: 0;
  padding: 0 4px;
}

.form-thanks {
  font-size: 1.1rem;
  color: var(--text);
  padding: 14px 0;
  text-align: center;
}

@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 44px 24px;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer p { color: var(--text-faint); font-size: 0.85rem; }

.footer-links {
  display: flex;
  gap: 22px;
  list-style: none;
}

.footer-links a {
  color: var(--text-faint);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.25s;
}

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

/* ------------------------------------------------------------
   Animações de entrada (scroll reveal)
   ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
  .neural-canvas { opacity: 0.55; }
}

/* ------------------------------------------------------------
   Responsivo
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .card-lg { grid-row: auto; min-height: 0; }
  .card-wide { grid-column: span 2; }
  .section-intro,
  .commerce-heading { grid-template-columns: 1fr; gap: 12px; }
  .section-lead { padding-bottom: 0; }
  .cx-flow {
    grid-template-columns: repeat(5, 1fr);
  }
  .cx-flow i { display: none; }
  .commerce-value-grid { grid-template-columns: repeat(2, 1fr); }
  .cx-close { grid-template-columns: 1fr 1fr; }
  .feature { grid-template-columns: 1fr; }
  .feature-visual { max-width: 280px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 680px) {
  .nav-links, .nav .btn-small { display: none; }
  .nav-toggle { display: flex; }

  .nav.open { border-radius: var(--radius); flex-wrap: wrap; }

  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    order: 3;
    gap: 4px;
    padding: 14px 6px 10px;
  }

  .nav.open .nav-links a {
    display: block;
    padding: 10px 12px;
    font-size: 1rem;
  }

  .nav.open .nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav.open .nav-toggle span:last-child  { transform: translateY(-3.5px) rotate(-45deg); }

  .neural-canvas {
    inset: 78px -70px 20%;
    width: calc(100% + 140px);
    height: calc(80% - 78px);
    opacity: 0.72;
  }

  .bento, .cases { grid-template-columns: 1fr; }
  .card-wide { grid-column: auto; }
  .cx-flow {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 12px 24px;
  }
  .cx-flow a {
    padding: 14px 0;
    border-bottom: 1px solid var(--glass-border);
  }
  .cx-flow a:last-child { border-bottom: 0; }
  .commerce-value-grid,
  .commerce-detail-grid,
  .cx-products,
  .cx-close { grid-template-columns: 1fr; }
  .value-card { min-height: 0; }
  .product-card { padding: 30px 24px; }
  .stat-divider { display: none; }
  .hero-panel { gap: 28px; }
  .section { padding: 70px 20px; }
}