:root {
  --bg: #0a0908;
  --bg-alt: #121008;
  --card: #16130d;
  --card-border: rgba(212, 175, 55, 0.16);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f2efe9;
  --text-muted: #b3ab9c;

  --gold-light: #f4e3a1;
  --gold: #d4af37;
  --gold-dark: #a8791f;
  --gold-gradient: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 55%, var(--gold-dark) 100%);

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font-head: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

section[id], #topo { scroll-margin-top: 84px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
}

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gold-gradient);
  color: #14110a;
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.28);
}

.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(212, 175, 55, 0.38); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }

.btn--outline {
  width: 100%;
  background: transparent;
  color: var(--gold-light);
  border-color: var(--card-border);
}

.btn--outline:hover { background: rgba(212, 175, 55, 0.08); border-color: var(--gold); }

.btn--sm { padding: 10px 20px; font-size: 14px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 9, 8, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.header.is-scrolled {
  background: rgba(10, 9, 8, 0.92);
  border-bottom-color: var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand__logo {
  height: 42px;
  width: auto;
  border-radius: 6px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
}

.nav__link:hover { color: var(--gold-light); }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--gold-light);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 100px;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: -200px;
  right: -160px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, rgba(212, 175, 55, 0) 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  margin-bottom: 20px;
}

.hero__lead {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 480px;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__stats strong {
  font-family: var(--font-head);
  font-size: 24px;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__stats span {
  font-size: 13px;
  color: var(--text-muted);
}

.hero__art {
  position: relative;
}

.hero__logo {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

.section__head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section__head h2 { font-size: clamp(26px, 3.4vw, 36px); }

.section__sub {
  color: var(--text-muted);
  margin-top: 14px;
  font-size: 15.5px;
}

.section__sub--left { max-width: 460px; }

/* ---------- Grid & Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold-light);
  margin-bottom: 18px;
}

.card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-muted);
  font-size: 14.5px;
}

.contact-card {
  text-align: center;
  align-items: center;
  display: flex;
  flex-direction: column;
}
.contact-card .card__icon { margin-inline: auto; }

/* ---------- Planos ---------- */
.plan {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.plan--featured {
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1), var(--card) 40%);
  border-color: var(--gold);
  transform: scale(1.04);
  box-shadow: var(--shadow);
}

.plan__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold-gradient);
  color: #14110a;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.plan__name {
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 10px;
}

.plan__speed {
  font-family: var(--font-head);
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan__speed span {
  font-size: 18px;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.plan__price {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 26px;
}

.plan__price span { font-size: 16px; vertical-align: top; margin-right: 2px; }
.plan__price small { font-size: 14px; font-weight: 500; color: var(--text-muted); }

.plan__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex: 1;
}

.plan__list li {
  font-size: 14px;
  color: var(--text-muted);
  padding-left: 22px;
  position: relative;
}

.plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-gradient);
}

/* ---------- Cobertura ---------- */
.coverage__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.coverage__card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.coverage__list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--border);
}

.coverage__list li:last-child { border-bottom: none; }

.coverage__list strong {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--gold-light);
}

.coverage__list span {
  font-size: 13.5px;
  color: var(--text-muted);
  text-align: right;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 24px;
  background: var(--bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.footer__logo {
  height: 34px;
  border-radius: 5px;
}

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer__nav a:hover { color: var(--gold-light); }

.footer__social {
  display: flex;
  gap: 14px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.footer__social a:hover {
  color: #14110a;
  background: var(--gold-gradient);
  border-color: transparent;
}

.footer__social svg { width: 17px; height: 17px; }

.footer__copy {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #22c55e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.4);
  z-index: 90;
  transition: transform 0.2s ease;
}

.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg:first-child { display: none; }
.whatsapp-float__icon { width: 28px; height: 28px; fill: currentColor; stroke: none; }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; max-width: 420px; margin: 0 auto; }
  .coverage__inner { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(10, 9, 8, 0.98);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav.is-open { max-height: 320px; }

  .nav__link {
    width: 100%;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }

  .nav__cta { display: none; }
  .hamburger { display: flex; }
  .grid--3 { grid-template-columns: 1fr; }
  .plan--featured { transform: none; }
}

@media (max-width: 560px) {
  .grid--4 { grid-template-columns: 1fr; }
  .hero { padding: 140px 0 72px; }
  .hero__stats { gap: 24px; }
  .footer__inner { flex-direction: column; text-align: center; }
}