/* =========================================================
   RNET Fibra — folha de estilos
   Tokens baseados no manual de marca RNET (2019):
   roxo C90 M100 Y30 K20 · azul C75 M7 Y30 K0
   Títulos: TT Commons Bold  → web: Outfit
   Texto:   ITC Avant Garde  → web: Questrial
   ========================================================= */

:root {
  /* Cores de marca */
  --roxo: #3F245C;
  --roxo-600: #533178;
  --roxo-400: #7A58A6;
  --ciano: #09AFB7;
  --ciano-300: #4FD6DB;
  --luz: #9BFBF6;           /* núcleo de luz dos efeitos */

  /* Superfícies escuras (roxo profundo, não preto neutro) */
  --noite: #0E0719;
  --noite-2: #150B25;
  --noite-3: #1D1132;
  --linha: rgba(190, 170, 225, 0.14);
  --linha-forte: rgba(190, 170, 225, 0.26);

  /* Texto */
  --texto: #F2EEF8;
  --texto-2: #B8ACCB;
  --texto-3: #8878A0;

  /* Tipografia */
  --f-display: "Outfit", "TT Commons", "Avenir Next", "Segoe UI", sans-serif;
  --f-texto: "Questrial", "ITC Avant Garde Gothic", "Century Gothic", "Segoe UI", sans-serif;

  /* Escala (razão ~1.25, base 17px) */
  --t-xs: 0.8125rem;
  --t-sm: 0.9375rem;
  --t-md: 1.0625rem;
  --t-lg: 1.25rem;
  --t-xl: clamp(1.5rem, 1.2rem + 1vw, 1.875rem);
  --t-2xl: clamp(2rem, 1.4rem + 2.2vw, 3rem);
  --t-hero: clamp(2.9rem, 1.6rem + 5.4vw, 6.6rem);

  /* Espaço */
  --gutter: clamp(1.25rem, 0.8rem + 2vw, 2.5rem);
  --section-y: clamp(5rem, 3.5rem + 6vw, 9rem);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --header-h: 76px;
}

/* ---------- Reset enxuto ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--noite);
  color: var(--texto);
  font-family: var(--f-texto);
  font-size: var(--t-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.1; margin: 0; font-weight: 600; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--ciano-300); outline-offset: 3px; border-radius: 6px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 100; background: var(--ciano); color: var(--noite); padding: .6rem 1rem; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Botões ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--texto);
  --btn-bd: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 44px; padding: .7rem 1.25rem;
  border-radius: 999px; border: 1px solid var(--btn-bd);
  background: var(--btn-bg); color: var(--btn-fg);
  font-family: var(--f-display); font-weight: 600; font-size: var(--t-sm); letter-spacing: .005em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s, box-shadow .25s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-lg { min-height: 52px; padding: .9rem 1.6rem; font-size: var(--t-md); }
.btn-block { width: 100%; }

.btn-primary { --btn-bg: var(--ciano); --btn-fg: #06121A; box-shadow: 0 0 0 0 rgba(9,175,183,0); }
.btn-primary:hover { --btn-bg: var(--ciano-300); box-shadow: 0 0 28px -4px rgba(79,214,219,.65); }

.btn-ghost { --btn-bd: var(--linha-forte); --btn-bg: rgba(255,255,255,.02); }
.btn-ghost:hover { --btn-bd: var(--ciano-300); --btn-fg: #fff; }

.btn-outline { --btn-bd: var(--linha-forte); }
.btn-outline:hover { --btn-bd: var(--ciano); --btn-bg: rgba(9,175,183,.1); }

.btn-dark { --btn-bg: var(--roxo); --btn-fg: #fff; }
.btn-dark:hover { --btn-bg: var(--noite-3); }
.btn-dark-ghost { --btn-bd: rgba(63,36,92,.45); --btn-fg: var(--roxo); }
.btn-dark-ghost:hover { --btn-bg: rgba(63,36,92,.1); --btn-bd: var(--roxo); }

/* ---------- Marca ---------- */
.brand { display: inline-flex; align-items: flex-end; gap: .45rem; color: #fff; text-decoration: none; }
.brand svg { height: 100%; width: auto; }
.brand-symbol { height: 34px; color: var(--ciano); }
.brand-word { height: 24px; color: #fff; }
.brand-lg .brand-symbol { height: 46px; }
.brand-lg .brand-word { height: 32px; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  transition: background-color .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(14, 7, 25, .78);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--linha);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav ul { display: flex; gap: 1.6rem; }
.main-nav ul a {
  position: relative; text-decoration: none; color: var(--texto-2);
  font-size: var(--t-sm); padding-block: .4rem; transition: color .2s;
}
.main-nav ul a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--ciano-300), transparent);
  transform: scaleX(0); transition: transform .3s var(--ease-out);
}
.main-nav ul a:hover, .main-nav ul a.is-active { color: #fff; }
.main-nav ul a:hover::after, .main-nav ul a.is-active::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: .6rem; }

.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--linha-forte); border-radius: 12px; background: transparent; cursor: pointer; position: relative; }
.nav-toggle-bar { position: absolute; left: 12px; right: 12px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease-out); }
.nav-toggle-bar:nth-of-type(2) { top: 17px; }
.nav-toggle-bar:nth-of-type(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(2) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(3) { transform: translateY(-4px) rotate(-45deg); }

/* =========================================================
   HERO — feixe de fibras com pulsos de luz (canvas)
   ========================================================= */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-block: calc(var(--header-h) + 3rem) 6rem;
  isolation: isolate; overflow: hidden;
  background:
    radial-gradient(70% 60% at 85% 70%, rgba(83, 49, 120, .55), transparent 70%),
    radial-gradient(50% 50% at 10% 10%, rgba(63, 36, 92, .5), transparent 70%),
    var(--noite);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero-scrim {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(14,7,25,.88) 0%, rgba(14,7,25,.55) 38%, rgba(14,7,25,0) 65%),
    linear-gradient(0deg, var(--noite) 0%, rgba(14,7,25,0) 22%);
}
.hero-inner { position: relative; }

.hero-kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .4rem .9rem .4rem .7rem; border-radius: 999px;
  border: 1px solid var(--linha-forte); background: rgba(14,7,25,.5);
  color: var(--texto-2); font-size: var(--t-sm);
  margin-bottom: 1.75rem;
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ciano-300); box-shadow: 0 0 0 0 rgba(79,214,219,.7); animation: live 2.4s infinite; }
@keyframes live { 0% { box-shadow: 0 0 0 0 rgba(79,214,219,.6); } 70% { box-shadow: 0 0 0 10px rgba(79,214,219,0); } 100% { box-shadow: 0 0 0 0 rgba(79,214,219,0); } }

.hero-title {
  font-size: var(--t-hero); font-weight: 600; line-height: .98; letter-spacing: -0.035em;
  max-width: 11ch;
}
.hero-title .line { display: block; }
.hero-title .line-glow {
  background: linear-gradient(90deg, var(--luz) 0%, var(--ciano-300) 30%, var(--ciano) 55%, #B79CE0 80%, var(--luz) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 24px rgba(79, 214, 219, .35));
  animation: sweep 7s ease-in-out infinite;
}
@keyframes sweep { 0%, 100% { background-position: 100% 0; } 50% { background-position: 0 0; } }

.hero-lead { max-width: 46ch; margin-top: 1.75rem; font-size: var(--t-lg); color: var(--texto-2); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.25rem; }

/* Entrada orquestrada: um único momento no carregamento */
.js .hero-kicker, .js .hero-title .line, .js .hero-lead, .js .hero-actions { opacity: 0; transform: translateY(18px); }
.is-loaded .hero-kicker, .is-loaded .hero-title .line, .is-loaded .hero-lead, .is-loaded .hero-actions {
  opacity: 1; transform: none; transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.is-loaded .hero-title .line:nth-child(1) { transition-delay: .15s; }
.is-loaded .hero-title .line:nth-child(2) { transition-delay: .28s; }
.is-loaded .hero-title .line:nth-child(3) { transition-delay: .55s; }
.is-loaded .hero-lead { transition-delay: .75s; }
.is-loaded .hero-actions { transition-delay: .9s; }

.hero-scroll { position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%); width: 28px; height: 56px; display: grid; place-items: center; }
.hero-scroll-line { width: 1px; height: 100%; background: linear-gradient(var(--linha-forte), transparent); position: relative; overflow: hidden; }
.hero-scroll-line::after { content: ""; position: absolute; left: -1px; width: 3px; height: 14px; border-radius: 3px; background: var(--luz); box-shadow: 0 0 10px var(--ciano-300); animation: drip 2.2s var(--ease-out) infinite; }
@keyframes drip { from { top: -14px; } to { top: 100%; } }

/* =========================================================
   SEÇÕES — base
   ========================================================= */
.section { padding-block: var(--section-y); position: relative; }
.section-head { margin-bottom: clamp(2.5rem, 2rem + 2vw, 4rem); }
.section-head-split { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem 3rem; }
.section-title { font-size: var(--t-2xl); max-width: 20ch; text-wrap: balance; }
.section-lead { margin-top: 1rem; color: var(--texto-2); max-width: 56ch; font-size: var(--t-lg); line-height: 1.55; }

/* =========================================================
   PLANOS
   ========================================================= */

.recommender { border: 0; padding: 0; margin: 0; min-width: 0; }
.recommender legend { font-family: var(--f-display); font-weight: 500; font-size: var(--t-sm); color: var(--texto); margin-bottom: .7rem; padding: 0; }
.segmented { display: flex; flex-wrap: wrap; gap: .4rem; padding: .35rem; border-radius: 999px; border: 1px solid var(--linha-forte); background: rgba(255,255,255,.02); width: fit-content; }
.segmented label { position: relative; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented span { display: block; padding: .5rem .95rem; border-radius: 999px; font-size: var(--t-sm); color: var(--texto-2); transition: background-color .2s, color .2s; white-space: nowrap; }
.segmented label:hover span { color: #fff; }
.segmented input:checked + span { background: var(--ciano); color: #06121A; font-weight: 600; }
.segmented input:focus-visible + span { outline: 2px solid var(--ciano-300); outline-offset: 2px; }
.recommender-hint { margin-top: .6rem; font-size: var(--t-xs); color: var(--texto-3); min-height: 1.3em; }

.plan-grid {
  display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
  border: 1px solid var(--linha); border-radius: var(--radius-lg);
  background: rgba(21, 11, 37, .6);
  overflow: hidden;
}
.plan {
  position: relative; display: flex; flex-direction: column;
  padding: 2.4rem 1.8rem 1.8rem;
  border-left: 1px solid var(--linha);
  transition: background-color .35s;
}
.plan:first-child { border-left: 0; }
.plan:hover { background: rgba(83, 49, 120, .12); }

/* fibra no topo de cada plano: o pulso acelera conforme a velocidade */
.plan-fiber { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: rgba(155, 251, 246, .08); overflow: hidden; }
.plan-fiber span {
  position: absolute; top: 0; left: -40%; width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--ciano) 40%, var(--luz) 50%, var(--ciano) 60%, transparent);
  animation: pulse-run var(--pulse, 2s) linear infinite;
}
@keyframes pulse-run { to { left: 100%; } }

.plan-badge {
  position: absolute; top: 1rem; left: 1.8rem;
  font-size: var(--t-xs); color: var(--luz); font-family: var(--f-display); font-weight: 500;
}
.plan-speed { display: flex; align-items: baseline; gap: .4rem; margin-top: .6rem; }
.plan-num { font-size: clamp(3.2rem, 2.4rem + 2.4vw, 4.6rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-unit { font-size: var(--t-lg); font-weight: 500; color: var(--texto-2); letter-spacing: 0; }

.plan-price { display: flex; align-items: baseline; margin-top: 1.1rem; font-family: var(--f-display); color: #fff; }
.plan-price .cur { font-size: var(--t-xs); margin-right: .3rem; color: var(--texto-2); }
.plan-price .int { font-size: var(--t-md); font-weight: 600; }
.plan-price .dec { font-size: var(--t-sm); font-weight: 600; }
.plan-price .per { font-size: var(--t-xs); margin-left: .25rem; color: var(--texto-3); }

.plan-features { margin: 1.6rem 0 2rem; display: grid; gap: .65rem; flex: 1; align-content: start; }
.plan-features li { position: relative; padding-left: 1.4rem; color: var(--texto-2); font-size: var(--t-sm); }
.plan-features li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle, var(--luz) 0 30%, var(--ciano) 60%, transparent 70%);
  box-shadow: 0 0 8px rgba(79, 214, 219, .55);
}
.plan-cta { width: 100%; }

.plan-top { background: linear-gradient(180deg, rgba(63, 36, 92, .55), rgba(63, 36, 92, .15)); }
.plan-top:hover { background: linear-gradient(180deg, rgba(83, 49, 120, .65), rgba(63, 36, 92, .2)); }
.plan-top .plan-fiber { height: 3px; }

/* selo "mais escolhido" — ligado pelo campo "destaque" de cada plano */
.plan-selo {
  position: absolute; top: 1rem; right: 1.2rem;
  padding: .35rem .8rem; border-radius: 999px;
  background: linear-gradient(135deg, var(--ciano), var(--ciano-300));
  color: #06121A; font-family: var(--f-display); font-weight: 700; font-size: var(--t-xs);
  letter-spacing: .01em; box-shadow: 0 6px 16px rgba(9, 175, 183, .35);
}

/* destaque vindo do recomendador */
.plan.is-recommended { background: linear-gradient(180deg, rgba(9, 175, 183, .16), rgba(9, 175, 183, .02)); }
.plan.is-recommended::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(79, 214, 219, .55);
}
.plan.is-recommended .plan-cta { --btn-bg: var(--ciano); --btn-fg: #06121A; --btn-bd: var(--ciano); }
.plan.is-recommended .plan-fiber { height: 3px; }
.plan-grid:has(.is-recommended) .plan-top:not(.is-recommended) .plan-cta { --btn-bg: transparent; --btn-fg: var(--texto); --btn-bd: var(--linha-forte); box-shadow: none; }

.plans-note { white-space: pre-line; margin-top: 1.25rem; font-size: var(--t-xs); color: var(--texto-3); text-align: center; }

/* =========================================================
   TECNOLOGIA
   ========================================================= */
.tech-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(3rem, 2rem + 4vw, 7rem); align-items: start; }
.tech-intro { position: sticky; top: calc(var(--header-h) + 2rem); }

/* corte transversal da fibra */
.fiber-cross { position: relative; width: min(260px, 60vw); aspect-ratio: 1; margin-top: 3rem; }
.fiber-cross .ring { position: absolute; border-radius: 50%; inset: 0; margin: auto; }
.ring-jacket { width: 100%; height: 100%; background: radial-gradient(circle, transparent 58%, var(--roxo) 59%, var(--roxo-600) 100%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.ring-cladding { width: 58%; height: 58%; background: radial-gradient(circle, rgba(79,214,219,.1) 0%, rgba(79,214,219,.22) 100%); box-shadow: inset 0 0 0 1px rgba(155,251,246,.25); }
.ring-core {
  width: 18%; height: 18%;
  background: radial-gradient(circle, #fff 0%, var(--luz) 35%, var(--ciano) 100%);
  box-shadow: 0 0 20px 4px rgba(79,214,219,.65), 0 0 60px 12px rgba(9,175,183,.3);
  animation: core 3.2s ease-in-out infinite;
}
@keyframes core { 50% { box-shadow: 0 0 28px 8px rgba(79,214,219,.8), 0 0 90px 22px rgba(9,175,183,.35); } }

.fiber-legend { margin: 1.75rem 0 0; display: grid; gap: .55rem; font-size: var(--t-sm); }
.fiber-legend div { display: flex; gap: .6rem; flex-wrap: wrap; }
.fiber-legend dt { display: inline-flex; align-items: center; gap: .5rem; color: #fff; font-family: var(--f-display); font-weight: 500; }
.fiber-legend dd { margin: 0; color: var(--texto-3); }
.key { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.key-core { background: var(--luz); box-shadow: 0 0 8px var(--ciano); }
.key-cladding { background: rgba(79,214,219,.35); }
.key-jacket { background: var(--roxo-600); }

/* rota da luz: sequência real, por isso numerada visualmente pelos nós */
.route { position: relative; display: grid; gap: clamp(3rem, 2rem + 4vw, 6rem); padding-block: 1rem 2rem; counter-reset: rota; }
.route-line { position: absolute; left: 11px; top: 1.6rem; bottom: 3rem; width: 2px; background: rgba(155, 251, 246, .1); border-radius: 2px; }
.route-fill {
  position: absolute; inset: 0; transform-origin: top; transform: scaleY(var(--progress, 0));
  background: linear-gradient(180deg, var(--roxo-400), var(--ciano) 60%, var(--luz));
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(79, 214, 219, .55);
}
.route-step { position: relative; padding-left: 3.25rem; counter-increment: rota; }
.route-node {
  position: absolute; left: 0; top: .3rem; width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--linha-forte); background: var(--noite-2);
  display: grid; place-items: center;
  transition: border-color .4s, box-shadow .4s, background-color .4s;
}
.route-node::after { content: counter(rota); font-family: var(--f-display); font-size: .7rem; font-weight: 600; color: var(--texto-3); transition: color .4s; }
.route-step h3 { font-size: var(--t-xl); font-weight: 600; color: var(--texto-2); transition: color .4s; }
.route-step p { margin-top: .75rem; color: var(--texto-3); max-width: 44ch; transition: color .4s; }
.route-step.is-lit .route-node { border-color: var(--luz); background: var(--ciano); box-shadow: 0 0 0 6px rgba(9,175,183,.15), 0 0 22px rgba(79,214,219,.7); }
.route-step.is-lit .route-node::after { color: #06121A; }
.route-step.is-lit h3 { color: #fff; }
.route-step.is-lit p { color: var(--texto-2); }

/* =========================================================
   BENEFÍCIOS
   ========================================================= */
.perk-list {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0; border-top: 1px solid var(--linha);
}
.perk { display: flex; gap: 1.1rem; padding: 2rem 1.75rem 2rem 0; border-bottom: 1px solid var(--linha); }
.perk:not(:nth-child(3n + 1)) { padding-left: 1.75rem; border-left: 1px solid var(--linha); }
.perk-icon { flex: none; width: 40px; height: 40px; fill: none; stroke: var(--ciano-300); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(79,214,219,.35)); }
.perk-icon circle { fill: var(--ciano-300); stroke: none; }
.perk h3 { font-size: var(--t-lg); font-weight: 600; }
.perk p { margin-top: .4rem; color: var(--texto-2); font-size: var(--t-sm); }

.tv-band {
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 2.5rem; align-items: center;
  padding: clamp(1.75rem, 1rem + 3vw, 3rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(9,175,183,.22), transparent 60%),
    linear-gradient(135deg, var(--roxo) 0%, #2A1742 100%);
  border: 1px solid rgba(155, 251, 246, .12);
}
.tv-copy h3 { font-size: var(--t-xl); max-width: 18ch; }
.tv-copy p { margin-top: .8rem; color: var(--texto-2); }
.tv-slots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.tv-slot {
  aspect-ratio: 4 / 5; border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px dashed rgba(255,255,255,.18);
  display: grid; place-items: center; text-align: center; padding: 1rem;
  font-size: var(--t-xs); color: rgba(255,255,255,.4);
}

/* =========================================================
   COBERTURA — campo ciano com os arcos do símbolo (manual, pág. 6)
   ========================================================= */
.coverage {
  position: relative; overflow: hidden; isolation: isolate;
  width: min(100% - 2 * var(--gutter), 1240px - 2 * var(--gutter)); margin-inline: auto;
  border-radius: var(--radius-lg);
  background: var(--ciano); color: var(--roxo);
  padding-block: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
}
.coverage-art {
  position: absolute; z-index: -1; color: var(--roxo);
  right: -6%; top: 50%; height: 190%; transform: translateY(-50%) rotate(-12deg);
  opacity: .92;
}
.coverage-art svg { height: 100%; width: auto; }
.coverage-inner { max-width: 1240px; }
.coverage h2 { font-size: var(--t-2xl); max-width: 16ch; color: var(--roxo); text-wrap: balance; }
.coverage p { margin-top: 1rem; max-width: 42ch; font-size: var(--t-lg); color: #20113A; }
.coverage-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* =========================================================
   SOBRE
   ========================================================= */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(2.5rem, 2rem + 4vw, 6rem); align-items: start; }
.about-facts { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--linha); }
.about-facts div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--linha); }
.about-facts dt { font-family: var(--f-display); font-weight: 500; color: var(--texto-3); font-size: var(--t-sm); }
.about-facts dd { margin: 0; color: var(--texto); }
.about-facts a { color: var(--ciano-300); text-decoration: none; }
.about-facts a:hover { text-decoration: underline; }

/* =========================================================
   CONTATO
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(2.5rem, 2rem + 4vw, 6rem); align-items: start; }

.faq .section-title { margin-bottom: 2rem; }
.faq-item { border-bottom: 1px solid var(--linha); }
.faq-item:first-of-type { border-top: 1px solid var(--linha); }
.faq-item summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 1.3rem 3rem 1.3rem 0;
  font-family: var(--f-display); font-weight: 500; font-size: var(--t-lg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; position: absolute; right: .3rem; top: 50%; width: 12px; height: 12px;
  border-right: 2px solid var(--ciano-300); border-bottom: 2px solid var(--ciano-300);
  transform: translateY(-70%) rotate(45deg); transition: transform .3s var(--ease-out);
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-item summary:hover { color: var(--luz); }
.faq-item p { padding: 0 2rem 1.4rem 0; color: var(--texto-2); max-width: 62ch; }
.faq-item a { color: var(--ciano-300); }

.contact-form {
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: var(--noite-3);
  border: 1px solid var(--linha);
  box-shadow: 0 30px 80px -40px rgba(9, 175, 183, .25);
}
.contact-form h3 { font-size: var(--t-xl); }
.form-intro { margin-top: .4rem; color: var(--texto-3); font-size: var(--t-sm); margin-bottom: 1.5rem; }
.field { display: grid; gap: .4rem; margin-bottom: 1.1rem; }
.field label { font-size: var(--t-sm); color: var(--texto-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem 1rem; border-radius: var(--radius-sm);
  background: var(--noite); border: 1px solid var(--linha-forte); color: var(--texto);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ciano-300) 50%), linear-gradient(135deg, var(--ciano-300) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 2.5rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ciano); box-shadow: 0 0 0 3px rgba(9, 175, 183, .2); }
.field [aria-invalid="true"] { border-color: #FF7A9A; }
.form-error { color: #FF9CB4; font-size: var(--t-sm); margin-bottom: 1rem; }

/* =========================================================
   RODAPÉ
   ========================================================= */
.site-footer { background: linear-gradient(180deg, transparent, #0A0513 60%); border-top: 1px solid var(--linha); padding-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand p { margin-top: 1.25rem; color: var(--texto-3); font-size: var(--t-sm); }
.site-footer h4 { font-size: var(--t-sm); font-weight: 600; color: #fff; margin-bottom: 1rem; }
.site-footer ul { display: grid; gap: .55rem; }
.site-footer a { color: var(--texto-2); text-decoration: none; font-size: var(--t-sm); }
.site-footer a:hover { color: var(--luz); }
.site-footer p { color: var(--texto-2); font-size: var(--t-sm); }
.site-footer p + p { margin-top: .6rem; }
.socials { display: flex; gap: .5rem; margin-top: 1.25rem; }
.socials a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--linha-forte); }
.socials svg { width: 18px; height: 18px; fill: currentColor; }
.socials a:hover { border-color: var(--ciano); }
.footer-bottom { border-top: 1px solid var(--linha); padding-block: 1.4rem; }
.footer-bottom p { color: var(--texto-3); font-size: var(--t-xs); }

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25D366; color: #fff;
  box-shadow: 0 10px 30px -8px rgba(37, 211, 102, .6);
  transition: transform .2s var(--ease-out);
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; fill: currentColor; }

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width: 1080px) {
  .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan:nth-child(odd) { border-left: 0; }
  .plan:nth-child(n + 3) { border-top: 1px solid var(--linha); }
  .plan:last-child:nth-child(odd) { grid-column: span 2; }
  .section-head-split { grid-template-columns: 1fr; }
  .perk-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .perk, .perk:not(:nth-child(3n + 1)) { padding: 2rem 1.5rem 2rem 0; border-left: 0; }
  .perk:nth-child(2n) { padding-left: 1.5rem; border-left: 1px solid var(--linha); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 920px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: block; z-index: 2; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 0; overflow-y: auto;
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 1.5rem;
    padding: 1.5rem var(--gutter) 2rem;
    background: rgba(14, 7, 25, .97);
    border-bottom: 1px solid var(--linha);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .25s, transform .25s var(--ease-out), visibility 0s .25s;
  }
  .main-nav.is-open { opacity: 1; transform: none; visibility: visible; transition: opacity .25s, transform .25s var(--ease-out); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { display: block; padding: .9rem 0; font-size: var(--t-lg); color: #fff; border-bottom: 1px solid var(--linha); }
  .main-nav ul a::after { display: none; }
  .nav-actions { flex-direction: column; }
  .nav-actions .btn { width: 100%; min-height: 50px; }
  .site-header.menu-open { background: rgba(14, 7, 25, .97); }

  .tech-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .tech-intro { position: static; }
  .fiber-cross { width: 200px; margin-top: 2.25rem; }
  .tv-band { grid-template-columns: 1fr; }
  .coverage-art { right: -30%; opacity: .35; }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  .hero { align-items: flex-end; padding-bottom: 5.5rem; }
  .hero-scrim { background: linear-gradient(0deg, rgba(14,7,25,.96) 0%, rgba(14,7,25,.8) 50%, rgba(14,7,25,0) 72%); }
  .hero-scroll { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .segmented { border-radius: var(--radius-md); width: 100%; }
  .segmented label { flex: 1 1 calc(50% - .4rem); text-align: center; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan, .plan:last-child:nth-child(odd) { border-left: 0; grid-column: auto; }
  .plan + .plan { border-top: 1px solid var(--linha); }
  .perk-list { grid-template-columns: 1fr; }
  .perk, .perk:nth-child(2n), .perk:not(:nth-child(3n + 1)) { padding: 1.6rem 0; border-left: 0; }
  .about-facts div { grid-template-columns: 1fr; gap: .25rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand-symbol { height: 30px; }
  .brand-word { height: 21px; }
}

/* =========================================================
   MOVIMENTO REDUZIDO
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .plan-fiber span { left: 0; width: 100%; opacity: .5; }
  .hero-title .line-glow { background-position: 50% 0; }
}

/* ---------- formulários → gerência ---------- */
/* armadilha anti-robô: fora da tela, nunca visível nem focável */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form-ok { display: grid; gap: .8rem; padding: .4rem 0; text-align: center; }
.form-ok h3 { margin: 0; font-family: var(--f-display); font-size: var(--t-lg); }
.form-ok p { margin: 0; opacity: .85; }
.form-ok .btn { justify-self: center; margin-top: .4rem; }
.form-error a { color: inherit; text-decoration: underline; }

/* ---------- página desligada na gerência ---------- */
.pagina-desligada { min-height: 50vh; display: grid; align-items: center; text-align: center; }
.pagina-desligada .grupo-botoes { justify-content: center; margin-top: 1.5rem; }
.aviso-previa { background: #F5B301; color: #1A1200; font-weight: 600; text-align: center; padding: .6rem 1rem; font-size: var(--t-sm); }