/* ============================================================
   DUTRA QUANTUM — página de vendas
   Design system: preto profundo + acento ciano ácido, tipografia
   display condensada (estilo Higgsfield), cards arredondados,
   mídia densa, movimento por toda parte.
   ============================================================ */

:root {
  --bg: #060809;
  --bg-2: #0b0e11;
  --panel: #101419;
  --line: rgba(255, 255, 255, 0.08);
  --txt: #f2f5f6;
  --txt-2: #9aa4ab;
  --cyan: #00e5ff;
  --cyan-deep: #00b8cc;
  --cyan-ink: #032a30;
  --radius: 22px;
  --font-display: "Anton", Impact, "Arial Narrow", sans-serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--dq-header, 80px); }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--cyan); color: #001014; }

/* ---------- utilitários ---------- */
.wrap { width: min(1220px, calc(100% - 40px)); margin-inline: auto; }
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--cyan);
  display: inline-block;
}
.display {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.01em;
}
.h-xl { font-size: clamp(52px, 9.5vw, 128px); }
.h-lg { font-size: clamp(40px, 6.5vw, 84px); }
.h-md { font-size: clamp(28px, 4vw, 52px); }
.lead { color: var(--txt-2); font-size: clamp(16px, 1.4vw, 19px); max-width: 56ch; }
.accent { color: var(--cyan); }
.outline-txt {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.25);
}

/* botões */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  padding: 16px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s, background 0.25s, color 0.25s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--cyan);
  color: #001014;
  box-shadow: 0 0 0 rgba(0, 229, 255, 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--txt);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(0, 229, 255, 0.5); color: var(--cyan); }
.btn .wa-ico { width: 20px; height: 20px; flex: none; }

/* badge estilo "NEW" */
.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--cyan);
  color: #001014;
  padding: 5px 10px;
  border-radius: 7px;
  display: inline-block;
}
.badge-ghost {
  background: rgba(0, 229, 255, 0.12);
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.35);
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}
/* hairline em gradiente: só aparece depois do scroll */
.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.35) 20%, rgba(255, 255, 255, 0.14) 50%, rgba(0, 229, 255, 0.35) 80%, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.site-header.scrolled {
  background: rgba(6, 8, 9, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
}
.site-header.scrolled::after { opacity: 1; }

/* barra de progresso de leitura */
.progress {
  position: absolute;
  top: 0; left: 0;
  height: 1px;
  width: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
  background: var(--cyan);
  opacity: 0.55;
  z-index: 2;
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  transition: padding 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.site-header.scrolled .bar { padding: 12px 0; }

/* --- lockup da marca --- */
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px;
  flex: none;
  transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), height 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.site-header.scrolled .brand-mark { width: 33px; height: 33px; }
.brand-word {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  line-height: 1;
  white-space: nowrap;
  color: var(--txt);
}
.brand-word b { font-weight: 600; }
.brand-rule {
  width: 1px; height: 26px;
  background: linear-gradient(transparent, var(--line) 25%, var(--line) 75%, transparent);
  flex: none;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--txt-2);
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0.85;
}

/* --- navegação --- */
.nav-links { display: flex; gap: 34px; }
.nav-links a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--txt-2);
  padding: 6px 0;
  transition: color 0.25s ease;
  white-space: nowrap;
}
/* índices editoriais 01–04 */
.nav-idx {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  opacity: 0.38;
  transition: color 0.25s ease, opacity 0.25s ease;
}
.nav-links a:hover .nav-idx { opacity: 0.7; }
.nav-links a.active .nav-idx { color: var(--cyan); opacity: 1; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.nav-links a:hover { color: var(--txt); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--cyan); }

/* --- CTA do header: contorno que preenche --- */
.bar-right { display: flex; align-items: center; gap: 14px; }
.header-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 11px 22px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.38);
  backdrop-filter: blur(6px);
}
/* o botão se acende (preenche da esquerda), não se ilumina */
.header-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, var(--cyan), var(--cyan-deep));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.42s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.header-cta:hover { color: #04181c; border-color: var(--cyan); }
.header-cta:hover::before { transform: scaleX(1); }
.header-cta .wa-ico { width: 17px; height: 17px; }

/* --- hambúrguer --- */
.burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  position: relative;
  flex: none;
  transition: border-color 0.25s;
}
.burger:hover { border-color: rgba(0, 229, 255, 0.45); }
.burger span {
  position: absolute;
  left: 13px;
  width: 18px; height: 1.5px;
  background: var(--txt);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s;
}
.burger span:nth-child(1) { top: 18px; }
.burger span:nth-child(2) { top: 24px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* --- menu mobile --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(6, 8, 9, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 100px 28px 48px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(30px, 9vw, 46px);
  line-height: 1.15;
  color: var(--txt);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.2s;
}
.mobile-menu.open nav a { opacity: 1; transform: none; }
.mobile-menu.open nav a:nth-child(1) { transition-delay: 0.06s; }
.mobile-menu.open nav a:nth-child(2) { transition-delay: 0.12s; }
.mobile-menu.open nav a:nth-child(3) { transition-delay: 0.18s; }
.mobile-menu.open nav a:nth-child(4) { transition-delay: 0.24s; }
.mobile-menu nav a:active { color: var(--cyan); }
.mobile-menu .btn { margin-top: 30px; justify-content: center; }
body.menu-open { overflow: hidden; }

/* foco visível em tudo que é interativo */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg, .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6,8,9,0.82) 0%, rgba(6,8,9,0.45) 42%, rgba(6,8,9,0.05) 70%),
    linear-gradient(180deg, rgba(6,8,9,0.5) 0%, rgba(6,8,9,0.12) 35%, rgba(6,8,9,0.84) 80%, var(--bg) 100%);
}
.hero-bg img { animation: hero-drift 22s ease-in-out infinite alternate; }
@keyframes hero-drift {
  from { transform: scale(1.02) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, -2%); }
}
.hero-inner { position: relative; z-index: 2; padding: 140px 0 90px; width: 100%; }
.hero .kicker { margin-bottom: 22px; }
.hero h1 { margin-bottom: 26px; max-width: 12ch; }
.hero h1 .l2 { color: var(--cyan); text-shadow: 0 0 60px rgba(0,229,255,0.45); }
.hero .lead { margin-bottom: 38px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { display: flex; gap: 14px; flex-wrap: wrap; }
.stat-chip {
  border: 1px solid var(--line);
  background: rgba(10, 13, 15, 0.55);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 14px 22px;
  min-width: 150px;
}
.stat-chip b {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 3vw, 38px);
  color: var(--cyan);
  display: block;
  line-height: 1;
}
.stat-chip span { font-size: 12.5px; color: var(--txt-2); letter-spacing: 0.04em; }
.scroll-hint {
  position: absolute; right: 26px; bottom: 26px; z-index: 2;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--txt-2); writing-mode: vertical-rl;
  display: flex; align-items: center; gap: 10px;
}
.scroll-hint::after {
  content: ""; width: 1px; height: 46px;
  background: linear-gradient(var(--cyan), transparent);
  animation: pulse-line 1.8s ease-in-out infinite;
}
@keyframes pulse-line { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ---------- marquee ---------- */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding: 18px 0;
  position: relative;
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-track span {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--txt);
  display: flex; align-items: center; gap: 48px;
  white-space: nowrap;
}
.marquee-track span i {
  font-style: normal; color: var(--cyan); font-size: 18px;
  animation: spin 6s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.marquee-track .ghost { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.3); }

/* ---------- seções ---------- */
section { padding: 110px 0; position: relative; }
.sec-head { margin-bottom: 54px; }
.sec-head .kicker { margin-bottom: 16px; }
.sec-head h2 { margin-bottom: 18px; max-width: 16ch; }
.sec-head.center { text-align: center; }
.sec-head.center h2, .sec-head.center .lead { margin-inline: auto; }
.sec-head.center .kicker::before { display: none; }

/* grid de mídia (filme) */
.media-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 120px;
  gap: 18px;
}
.m-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
}
.m-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.8s;
}
.m-card:hover img { transform: scale(1.07); }
.m-card .tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
}
.m-card .cap {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: 40px 18px 16px;
  background: linear-gradient(transparent, rgba(4, 6, 7, 0.88));
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}
.m-card:hover .cap { opacity: 1; transform: none; }
.m-card .cap small { display: block; color: var(--txt-2); font-weight: 400; font-size: 12px; }
.m-1 { grid-column: span 7; grid-row: span 3; }
.m-2 { grid-column: span 5; grid-row: span 3; }
.m-3 { grid-column: span 4; grid-row: span 3; }
.m-4 { grid-column: span 4; grid-row: span 3; }
.m-5 { grid-column: span 4; grid-row: span 3; }
.m-6 { grid-column: span 12; grid-row: span 3; }

/* split section (sites & webapps) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split .visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.split .visual img { transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1); }
.split .visual:hover img { transform: scale(1.05); }
.split .visual .float-card {
  position: absolute;
  right: -14px; bottom: 24px;
  background: rgba(12, 16, 19, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 16px;
  padding: 14px 18px;
  font-size: 13px;
  animation: float-y 4s ease-in-out infinite;
}
@keyframes float-y { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.split .visual .float-card b { color: var(--cyan); font-family: var(--font-mono); }
.feature-list { list-style: none; margin: 26px 0 34px; display: grid; gap: 14px; }
.feature-list li {
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 15.5px; color: var(--txt-2);
}
.feature-list li::before {
  content: "◆";
  color: var(--cyan);
  font-size: 11px;
  margin-top: 5px;
  flex: none;
  animation: pulse-line 2.4s ease-in-out infinite;
}
.feature-list li b { color: var(--txt); font-weight: 600; }

/* capacidades */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cap-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--bg-2));
  padding: 28px 26px;
  transition: transform 0.35s cubic-bezier(0.2,0.8,0.2,1), border-color 0.35s, box-shadow 0.35s;
  position: relative;
  overflow: hidden;
}
.cap-card::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(320px 200px at var(--mx, 50%) var(--my, 0%), rgba(0,229,255,0.09), transparent 65%);
  opacity: 0; transition: opacity 0.35s;
  pointer-events: none;
}
.cap-card:hover { transform: translateY(-6px); border-color: rgba(0,229,255,0.35); box-shadow: 0 18px 50px rgba(0,0,0,0.5); }
.cap-card:hover::after { opacity: 1; }
.cap-card .hex {
  width: 40px; height: 40px; margin-bottom: 18px;
  color: var(--cyan);
}
.cap-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0.01em; }
.cap-card p { font-size: 14px; color: var(--txt-2); }

/* prova / números */
.proof {
  background:
    linear-gradient(rgba(6,8,9,0.86), rgba(6,8,9,0.92)),
    url("img/hex-fio.webp") center/cover no-repeat;
  border-block: 1px solid var(--line);
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 50px;
}
.proof-num {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 20px;
  background: rgba(10, 13, 15, 0.5);
  backdrop-filter: blur(8px);
}
.proof-num b {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1;
  color: var(--cyan);
  display: block;
  margin-bottom: 10px;
  text-shadow: 0 0 40px rgba(0, 229, 255, 0.35);
}
.proof-num span { color: var(--txt-2); font-size: 14px; }
.proof-note {
  text-align: center; margin-top: 26px;
  font-size: 14px; color: var(--txt-2);
}
.proof-note a { color: var(--cyan); border-bottom: 1px solid rgba(0,229,255,0.4); }

/* processo */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: passo;
}
.step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  background: var(--bg-2);
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}
.step:hover { border-color: rgba(0,229,255,0.4); transform: translateY(-4px); }
.step .num {
  font-family: var(--font-display);
  font-size: 44px;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--cyan);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--txt-2); }

/* cta final */
.cta-final {
  text-align: center;
  background:
    radial-gradient(70% 90% at 50% 110%, rgba(0, 229, 255, 0.16), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.cta-final h2 { margin-inline: auto; margin-bottom: 20px; max-width: 14ch; }
.cta-final .lead { margin: 0 auto 40px; }
.cta-final .btn-primary { font-size: 17px; padding: 20px 40px; }
.cta-sub { margin-top: 18px; font-size: 13px; color: var(--txt-2); font-family: var(--font-mono); }

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 46px 0;
  background: var(--bg-2);
}
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--txt-2);
  font-size: 13.5px;
}
.foot .logo { display: flex; align-items: center; gap: 12px; color: var(--txt); }
.foot .logo img { width: 28px; height: 28px; flex: none; }
.foot .wordmark {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.foot .wordmark b { font-weight: 600; }
.foot-links { display: flex; gap: 22px; }
.foot-links a:hover { color: var(--cyan); }

/* whatsapp flutuante */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 70;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 34px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s cubic-bezier(0.2,0.8,0.2,1);
  animation: wa-pop 0.6s 1.2s cubic-bezier(0.2,0.8,0.2,1) backwards;
}
.wa-float:hover { transform: scale(1.1) rotate(6deg); }
.wa-float svg { width: 32px; height: 32px; }
.wa-float::after {
  content: "";
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.5);
  animation: wa-ring 2.2s ease-out infinite;
}
@keyframes wa-ring { from { transform: scale(0.8); opacity: 1; } to { transform: scale(1.5); opacity: 0; } }
@keyframes wa-pop { from { transform: scale(0); } }

/* ---------- responsivo ---------- */
@media (max-width: 1180px) {
  .brand-rule, .brand-tag { display: none; }
  .nav-links { gap: 24px; }
  .nav-idx { display: none; }
}
@media (max-width: 980px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .brand-mark, .site-header.scrolled .brand-mark { width: 34px; height: 34px; }
  .brand-word { font-size: 13px; letter-spacing: 0.18em; }
  .site-header .bar, .site-header.scrolled .bar { padding: 14px 0; }
  .media-grid { grid-auto-rows: 96px; }
  .m-1, .m-2 { grid-column: span 12; }
  .m-3, .m-4 { grid-column: span 6; }
  .m-5 { grid-column: span 12; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split .visual .float-card { right: 10px; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
}
@media (max-width: 560px) {
  .cta-long { display: none; }
  .header-cta { padding: 10px 16px; letter-spacing: 0.06em; }
  /* em telas estreitas o selo sozinho é a marca — o wordmark colidia com o CTA */
  .brand-word { display: none; }
  .burger { width: 40px; height: 40px; }
  .burger span { left: 11px; }
  .burger span:nth-child(1) { top: 16px; }
  .burger span:nth-child(2) { top: 22px; }
  .cap-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-stats { gap: 10px; }
  .stat-chip { min-width: calc(50% - 10px); }
  .marquee-track span { font-size: 20px; }
  .scroll-hint { display: none; }
}

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