/* ==========================================================================
   TNT SOUND — folha de estilo do site
   Paleta: preto de palco + âmbar de refletor + ciano de mesa de som
   ========================================================================== */

:root {
  --tnt-preto: #0a0c10;
  --tnt-preto-2: #12151c;
  --tnt-preto-3: #1b1f28;
  --tnt-borda: #262c38;
  --tnt-ambar: #ffb020;
  --tnt-ambar-esc: #d98b00;
  --tnt-ciano: #37d2e6;
  --tnt-branco: #f6f8fa;
  --tnt-cinza: #97a3b3;
  --tnt-cinza-2: #5f6b7a;
  --tnt-claro: #f4f6f9;

  --tnt-radius: 14px;
  --tnt-sombra: 0 18px 50px rgba(6, 9, 14, .35);
  --tnt-fonte: 'Rubik', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --tnt-fonte-titulo: 'Archivo', 'Rubik', system-ui, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--tnt-fonte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--tnt-preto-2);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--tnt-fonte-titulo);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--tnt-preto);
  margin: 0 0 .55em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 2.9vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.4rem); }

p { margin: 0 0 1.1em; }

.tnt-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
}

.tnt-sec { padding: 84px 0; }
.tnt-sec--claro { background: var(--tnt-claro); }
.tnt-sec--escuro { background: var(--tnt-preto); color: var(--tnt-branco); }
.tnt-sec--escuro h2, .tnt-sec--escuro h3 { color: #fff; }
.tnt-sec--escuro p { color: #c3cbd6; }

.tnt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tnt-ambar-esc);
  margin-bottom: 14px;
}
.tnt-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--tnt-ambar);
  display: block;
}
.tnt-sec--escuro .tnt-eyebrow { color: var(--tnt-ambar); }

.tnt-intro { max-width: 720px; }
.tnt-intro p { color: var(--tnt-cinza-2); font-size: 1.06rem; }
.tnt-sec--escuro .tnt-intro p { color: #b7c1ce; }

/* ---------------------------------------------------------------- BOTÕES */
.tnt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 700;
  font-size: .98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
  font-family: inherit;
}
.tnt-btn:hover { transform: translateY(-2px); }

.tnt-btn--primary {
  background: var(--tnt-ambar);
  color: #14171d;
  box-shadow: 0 10px 26px rgba(255, 176, 32, .28);
}
.tnt-btn--primary:hover { background: #ffc04d; }

.tnt-btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .32);
}
.tnt-btn--ghost:hover { border-color: var(--tnt-ambar); color: var(--tnt-ambar); }

.tnt-btn--escuro {
  background: var(--tnt-preto);
  color: #fff;
}
.tnt-btn--escuro:hover { background: var(--tnt-preto-3); }

.tnt-btn--zap { background: #1f9d55; color: #fff; box-shadow: 0 10px 26px rgba(31,157,85,.25); }
.tnt-btn--zap:hover { background: #24b562; }

/* ---------------------------------------------------------------- HEADER */
.tnt-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(10, 12, 16, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.tnt-header__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 74px;
}

.tnt-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-family: var(--tnt-fonte-titulo);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -.01em;
  line-height: 1;
}
.tnt-logo__mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--tnt-ambar), #ff8a00);
  color: #14171d;
  font-size: 1rem;
  letter-spacing: -.04em;
  font-weight: 800;
  flex: 0 0 auto;
}
.tnt-logo small {
  display: block;
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tnt-cinza);
  font-weight: 600;
  margin-top: 3px;
}

.tnt-nav { display: flex; align-items: center; gap: 4px; }
.tnt-nav a {
  color: #cfd6df;
  font-size: .93rem;
  font-weight: 500;
  padding: 9px 13px;
  border-radius: 7px;
  transition: color .15s, background .15s;
}
.tnt-nav a:hover, .tnt-nav a.is-active { color: #fff; background: rgba(255, 255, 255, .07); }
.tnt-nav a.is-active { color: var(--tnt-ambar); }

.tnt-header__cta { display: flex; align-items: center; gap: 10px; }
.tnt-header__cta .tnt-btn { padding: 11px 20px; font-size: .9rem; }

.tnt-burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,.18);
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
}
.tnt-burger span {
  display: block;
  width: 20px; height: 2px;
  margin: 4px auto;
  background: #fff;
  transition: .2s;
}

/* ------------------------------------------------------------------ HERO */
.tnt-hero {
  position: relative;
  background: radial-gradient(120% 100% at 15% 0%, #1c2433 0%, #0a0c10 58%, #05070a 100%);
  color: #fff;
  overflow: hidden;
  padding: 96px 0 90px;
}
.tnt-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 520px;
  background: radial-gradient(closest-side, rgba(255,176,32,.20), transparent 72%);
  pointer-events: none;
}
.tnt-hero__in {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}
.tnt-hero h1 { color: #fff; margin-bottom: .4em; }
.tnt-hero h1 em {
  font-style: normal;
  color: var(--tnt-ambar);
  position: relative;
  white-space: nowrap;
}
.tnt-hero__lead {
  font-size: 1.13rem;
  color: #c3ccd8;
  max-width: 560px;
  margin-bottom: 30px;
}
.tnt-hero__acoes { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }

.tnt-hero__prova {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.tnt-hero__prova div { min-width: 110px; }
.tnt-hero__prova strong {
  display: block;
  font-family: var(--tnt-fonte-titulo);
  font-size: 1.5rem;
  color: var(--tnt-ambar);
  line-height: 1.1;
}
.tnt-hero__prova span { font-size: .82rem; color: var(--tnt-cinza); }

/* painel de "faders" desenhado em CSS */
.tnt-mixer {
  position: relative;
  background: linear-gradient(160deg, #1d2431, #10141b);
  border: 1px solid #2c3442;
  border-radius: 18px;
  padding: 24px 24px 20px;
  box-shadow: var(--tnt-sombra);
}
.tnt-mixer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tnt-cinza-2);
  margin-bottom: 18px;
}
.tnt-mixer__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--tnt-ciano);
  box-shadow: 0 0 10px var(--tnt-ciano);
  display: inline-block;
  margin-right: 7px;
}
.tnt-faders { display: flex; gap: 10px; height: 172px; }
.tnt-fader {
  flex: 1;
  background: #0b0e13;
  border-radius: 6px;
  position: relative;
  border: 1px solid #232a35;
}
.tnt-fader i {
  position: absolute;
  left: 4px; right: 4px;
  height: 16px;
  border-radius: 3px;
  background: linear-gradient(180deg, #4a5464, #2b3341);
  border-top: 2px solid var(--tnt-ambar);
  box-shadow: 0 2px 8px rgba(0,0,0,.6);
}
.tnt-fader:nth-child(1) i { bottom: 38%; }
.tnt-fader:nth-child(2) i { bottom: 62%; }
.tnt-fader:nth-child(3) i { bottom: 24%; }
.tnt-fader:nth-child(4) i { bottom: 55%; }
.tnt-fader:nth-child(5) i { bottom: 44%; }
.tnt-fader:nth-child(6) i { bottom: 70%; }
.tnt-mixer__meter {
  display: flex; gap: 4px; margin-top: 16px; align-items: flex-end; height: 30px;
}
.tnt-mixer__meter b {
  flex: 1;
  background: linear-gradient(180deg, var(--tnt-ciano), #1b7f8f);
  border-radius: 2px;
  opacity: .8;
}

/* --------------------------------------------------------------- BANNER CTA */
.tnt-faixa {
  background: var(--tnt-ambar);
  color: #14171d;
}
.tnt-faixa__in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0;
}
.tnt-faixa strong { font-family: var(--tnt-fonte-titulo); font-size: 1.22rem; }
.tnt-faixa p { margin: 4px 0 0; font-size: .95rem; opacity: .8; }

/* -------------------------------------------------------------- CARDS GRID */
.tnt-grid { display: grid; gap: 22px; }
.tnt-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tnt-grid--2 { grid-template-columns: repeat(2, 1fr); }

.tnt-card {
  background: #fff;
  border: 1px solid #e3e8ef;
  border-radius: var(--tnt-radius);
  padding: 30px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
  display: flex;
  flex-direction: column;
}
.tnt-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(18, 26, 38, .10);
  border-color: #cdd7e3;
}
.tnt-card__ico {
  width: 46px; height: 46px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: #fff6e3;
  color: var(--tnt-ambar-esc);
  margin-bottom: 18px;
}
.tnt-card__ico svg { width: 23px; height: 23px; }
.tnt-card h3 { margin-bottom: .45em; }
.tnt-card p { color: var(--tnt-cinza-2); font-size: .96rem; margin-bottom: 1.1em; }
.tnt-card__link {
  margin-top: auto;
  font-weight: 700;
  font-size: .9rem;
  color: var(--tnt-ambar-esc);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.tnt-card__link::after { content: "→"; transition: transform .18s; }
.tnt-card:hover .tnt-card__link::after { transform: translateX(4px); }

.tnt-sec--escuro .tnt-card {
  background: var(--tnt-preto-2);
  border-color: var(--tnt-borda);
}
.tnt-sec--escuro .tnt-card p { color: #a9b4c2; }

/* -------------------------------------------------------------- DIFERENCIAIS */
.tnt-dif {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #e3e8ef;
  border: 1px solid #e3e8ef;
  border-radius: var(--tnt-radius);
  overflow: hidden;
}
.tnt-dif__item {
  background: #fff;
  padding: 28px 26px;
}
.tnt-dif__item h3 { font-size: 1.05rem; margin-bottom: .4em; }
.tnt-dif__item p { font-size: .93rem; color: var(--tnt-cinza-2); margin: 0; }

/* ----------------------------------------------------------------- PROCESSO */
.tnt-passos { display: grid; gap: 0; counter-reset: passo; }
.tnt-passo {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255,255,255,.09);
  align-items: start;
}
.tnt-passo:last-child { border-bottom: 0; }
.tnt-passo__n {
  font-family: var(--tnt-fonte-titulo);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--tnt-ambar);
  opacity: .85;
  line-height: 1;
}
.tnt-passo h3 { color: #fff; margin-bottom: .3em; font-size: 1.15rem; }
.tnt-passo p { margin: 0; color: #aab5c3; font-size: .97rem; }

/* ---------------------------------------------------------------------- FAQ */
.tnt-faq { max-width: 860px; }
.tnt-faq__item {
  border: 1px solid #e3e8ef;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.tnt-faq__item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  color: var(--tnt-preto);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.tnt-faq__item summary::-webkit-details-marker { display: none; }
.tnt-faq__item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--tnt-ambar-esc);
  line-height: 1;
  flex: 0 0 auto;
}
.tnt-faq__item[open] summary::after { content: "−"; }
.tnt-faq__resp {
  padding: 0 24px 22px;
  color: var(--tnt-cinza-2);
  font-size: .97rem;
}
.tnt-faq__resp p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------- CTA */
.tnt-cta {
  background: linear-gradient(135deg, var(--tnt-preto) 0%, #1a2130 100%);
  color: #fff;
  border-radius: 20px;
  padding: 58px 52px;
  position: relative;
  overflow: hidden;
}
.tnt-cta::before {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  right: -80px; top: -110px;
  background: radial-gradient(closest-side, rgba(255,176,32,.28), transparent 70%);
}
.tnt-cta h2 { color: #fff; position: relative; }
.tnt-cta p { color: #b8c3d1; max-width: 560px; position: relative; }
.tnt-cta__acoes { display: flex; flex-wrap: wrap; gap: 12px; position: relative; }

/* ---------------------------------------------------------------- PÁGINA */
.tnt-pagehead {
  background: radial-gradient(120% 130% at 20% 0%, #1c2433, #0a0c10 65%);
  color: #fff;
  padding: 68px 0 62px;
}
.tnt-pagehead h1 { color: #fff; margin-bottom: .3em; }
.tnt-pagehead p { color: #b9c4d2; max-width: 700px; margin: 0; font-size: 1.06rem; }
.tnt-pagehead--claro {
  background: var(--tnt-claro);
  color: var(--tnt-preto);
  border-bottom: 1px solid #e3e8ef;
}
.tnt-pagehead--claro h1 { color: var(--tnt-preto); }
.tnt-pagehead--claro p { color: var(--tnt-cinza-2); }

.tnt-migalha {
  font-size: .82rem;
  color: var(--tnt-cinza);
  margin-bottom: 16px;
}
.tnt-migalha a { color: var(--tnt-cinza); }
.tnt-migalha a:hover { color: var(--tnt-ambar); }

/* ------------------------------------------------------- CONTEÚDO SERVIÇO */
.tnt-duas {
  display: grid;
  grid-template-columns: 1.55fr .95fr;
  gap: 54px;
  align-items: start;
}
.tnt-prosa p { font-size: 1.04rem; color: #3c4756; }
.tnt-prosa h2 { margin-top: 1.6em; }

.tnt-lista { list-style: none; padding: 0; margin: 0 0 1.4em; }
.tnt-lista li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 11px;
  color: #3c4756;
}
.tnt-lista li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 15px; height: 8px;
  border-left: 2px solid var(--tnt-ambar-esc);
  border-bottom: 2px solid var(--tnt-ambar-esc);
  transform: rotate(-45deg);
}

.tnt-lateral {
  background: var(--tnt-preto);
  color: #fff;
  border-radius: var(--tnt-radius);
  padding: 32px 28px;
  position: sticky;
  top: 96px;
}
.tnt-lateral h3 { color: #fff; font-size: 1.1rem; }
.tnt-lateral p { color: #b3bdca; font-size: .94rem; }
.tnt-lateral .tnt-btn { width: 100%; }
.tnt-lateral__fone {
  display: block;
  margin-top: 14px;
  text-align: center;
  font-size: .9rem;
  color: var(--tnt-cinza);
}
.tnt-lateral__fone strong { color: #fff; }

/* ------------------------------------------------------------------ FORM */
.tnt-form { display: grid; gap: 16px; }
.tnt-form__linha { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tnt-campo { display: flex; flex-direction: column; gap: 6px; }
.tnt-campo label { font-size: .86rem; font-weight: 600; color: #35404e; }
.tnt-campo input, .tnt-campo select, .tnt-campo textarea {
  font-family: inherit;
  font-size: .98rem;
  padding: 13px 15px;
  border: 1.5px solid #d7dee7;
  border-radius: 9px;
  background: #fff;
  color: var(--tnt-preto);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.tnt-campo input:focus, .tnt-campo select:focus, .tnt-campo textarea:focus {
  outline: none;
  border-color: var(--tnt-ambar);
  box-shadow: 0 0 0 3px rgba(255, 176, 32, .18);
}
.tnt-campo textarea { resize: vertical; min-height: 130px; }
.tnt-campo--oculto { position: absolute; left: -9999px; }

.tnt-alert {
  padding: 14px 18px;
  border-radius: 9px;
  font-size: .94rem;
  margin-bottom: 18px;
}
.tnt-alert-error { background: #fdecec; color: #a32020; border: 1px solid #f6c7c7; }
.tnt-alert-success { background: #eaf7ef; color: #1c6b3d; border: 1px solid #bfe6cd; }

/* ---------------------------------------------------------------- FOOTER */
.tnt-footer {
  background: #06080b;
  color: #93a0b0;
  padding: 62px 0 0;
  font-size: .93rem;
}
.tnt-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.tnt-footer h4 {
  color: #fff;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--tnt-fonte);
  font-weight: 700;
}
.tnt-footer a { color: #93a0b0; }
.tnt-footer a:hover { color: var(--tnt-ambar); }
.tnt-footer ul { list-style: none; padding: 0; margin: 0; }
.tnt-footer li { margin-bottom: 9px; }
.tnt-footer__base {
  border-top: 1px solid #1a1f28;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: .84rem;
  color: #6f7b8b;
}
.tnt-footer .tnt-logo { margin-bottom: 14px; }

/* -------------------------------------------------------------- WHATSAPP */
.tnt-zap {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .38);
  transition: transform .18s;
}
.tnt-zap:hover { transform: scale(1.06); }
.tnt-zap svg { width: 30px; height: 30px; fill: #fff; }

/* --------------------------------------------------------------- RESPONSIVO */
@media (max-width: 980px) {
  .tnt-hero__in, .tnt-duas, .tnt-grid--3, .tnt-dif, .tnt-grid--2 { grid-template-columns: 1fr; }
  .tnt-footer__grid { grid-template-columns: 1fr 1fr; }
  .tnt-mixer { order: -1; max-width: 460px; }
  .tnt-hero { padding: 62px 0 60px; }
  .tnt-sec { padding: 60px 0; }
  .tnt-lateral { position: static; }
  .tnt-cta { padding: 40px 28px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .tnt-nav {
    display: none;
    position: absolute;
    top: 74px; left: 0; right: 0;
    background: #0a0c10;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    border-bottom: 1px solid #1c222c;
    gap: 2px;
  }
  .tnt-nav.is-open { display: flex; }
  .tnt-nav a { padding: 13px 12px; font-size: 1rem; }
  .tnt-burger { display: block; }
  .tnt-header__cta { display: none; }
  .tnt-form__linha { grid-template-columns: 1fr; }
  .tnt-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .tnt-faixa__in { flex-direction: column; align-items: flex-start; }
  .tnt-hero__prova { gap: 18px; }
}