:root {
  --accent: #1aa6a0;
  --accent-strong: #0f7f7a;
  --accent-soft: #e6f7f5;
  --navy: #072a56;
  --ink: #0f2a32;
  --text: #1a2428;
  --muted: #4d6168;
  --line: #e2e8eb;
  --bg: #f4f6f8;
  --radius: 16px;
  --shadow: 0 18px 40px -18px rgba(7, 42, 86, 0.28);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color: var(--text);
  background: #fff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  line-height: 1.55;
}

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

a {
  color: var(--accent-strong);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 0.05em 0.35em;
  border-radius: 6px;
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.6rem;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.wrap {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.small {
  font-size: 0.85rem;
}

.muted {
  color: var(--muted);
}

.lead {
  font-size: 1.1rem;
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}

.btn:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-1px);
}

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

.btn--ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
}

.btn--outline {
  background: #fff;
  color: var(--accent-strong);
}

.btn--outline:hover {
  color: #fff;
}

.btn--light {
  background: #fff;
  color: var(--accent-strong);
  border-color: #fff;
}

.btn--light:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
}

/* topo */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar__in {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}

.brand img {
  height: 42px;
  width: auto;
}

.nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--accent-strong);
}

.topbar__cta {
  display: flex;
  gap: 0.5rem;
}

/* hero */
.hero {
  position: relative;
  color: #e6f3f4;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(26, 166, 160, 0.45), transparent 60%),
    linear-gradient(160deg, #0f2a32 0%, #0b3a45 55%, #0f7f7a 140%);
  padding: 3.2rem 0 8.5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/circuit.svg") center / 900px repeat;
  opacity: 0.08;
  pointer-events: none;
}

.hero__in {
  position: relative;
  max-width: 860px;
  text-align: center;
}

.hero .eyebrow {
  color: #7fe0da;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: #5fd6cf;
}

.hero__lead {
  font-size: 1.15rem;
  margin: 0 auto 1.2rem;
  max-width: 44rem;
  color: #cfe6e8;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.chips li {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(127, 224, 218, 0.4);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 600;
  font-size: 0.9rem;
}

/* planos */
.plans {
  margin-top: -6rem;
  position: relative;
}

.plans__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 1.1rem;
  align-items: stretch;
}

/* Cabeçalho, descrição, preço, dados, destaques e botão: as 6 linhas são as mesmas em todos os cards. */
.plan {
  position: relative;
  display: grid;
  grid-row: span 6;
  grid-template-rows: subgrid;
  row-gap: 0.8rem;
  padding: 1.6rem 1.4rem 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.plan--featured {
  border: 1px solid var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.plan--skel {
  min-height: 460px;
  background: linear-gradient(90deg, #f1f5f6 25%, #e6eef0 50%, #f1f5f6 75%) 0 0 / 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

.plan__badge {
  position: absolute;
  top: -0.75rem;
  left: 1.4rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.plan--featured .plan__badge {
  background: var(--accent);
}

.plan__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.plan__head h3 {
  margin: 0;
  font-size: 1.35rem;
}

.plan__tag {
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.plan__aud {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.plan__price {
  display: flex;
  align-items: baseline;
  align-self: end;
  gap: 0.35rem;
  white-space: nowrap;
  color: var(--navy);
}

.plan__price strong {
  font-size: 2.1rem;
  letter-spacing: -0.02em;
}

.plan__price span {
  color: var(--muted);
  font-weight: 600;
}

.plan__facts {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.75rem;
  margin: 0;
  padding: 0.8rem 0;
  border-block: 1px solid var(--line);
  font-size: 0.9rem;
}

.plan__facts dt {
  color: var(--muted);
  white-space: nowrap;
}

.plan__facts dd {
  margin: 0;
  white-space: nowrap;
  font-weight: 700;
  text-align: right;
  color: var(--ink);
}

.plan__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
}

.plan__list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.4rem;
}

.plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.8rem;
  height: 0.45rem;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.plan .btn {
  width: 100%;
  align-self: end;
}

.plans__note {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 1.4rem auto 0;
  max-width: 50rem;
}

.plans__error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* seções */
.section {
  padding: 5.5rem 0;
}

.calc {
  padding-top: 4.5rem;
}

.calc__in {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.calc__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1.2rem 0 0.8rem;
  font-weight: 700;
  color: var(--ink);
}

.spinner {
  position: relative;
  width: 12rem;
}

.calc__field input {
  font: inherit;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 3rem 0.5rem 0.8rem;
  border: 2px solid var(--line);
  border-radius: 12px;
}

.calc__field input:focus {
  outline: none;
  border-color: var(--accent);
}

.spinner__controls {
  position: absolute;
  top: 2px;
  right: 2px;
  bottom: 2px;
  width: 2.2rem;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  border-radius: 0 10px 10px 0;
  overflow: hidden;
  background: #f4f7f8;
}

.spinner__btn {
  flex: 1;
  margin: 0;
  padding: 0;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 0.65rem;
  line-height: 1;
  cursor: pointer;
}

.spinner__btn:last-child {
  border-bottom: none;
}

.spinner__btn:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.calc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.calc__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.calc__row--best {
  border: 2px solid var(--accent);
  background: var(--accent-soft);
}

.calc__name,
.calc__value {
  display: flex;
  flex-direction: column;
}

.calc__value {
  text-align: right;
}

.calc__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.calc__tag {
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.12rem 0.6rem;
  white-space: nowrap;
}

.calc__tag b {
  color: var(--navy);
}

.calc__tag--price {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, white);
}

.calc__tag--price b {
  color: var(--accent-strong);
}

.calc__row--best .calc__tag {
  background: #fff;
}

.calc__value strong {
  font-size: 1.25rem;
  color: var(--navy);
}

.calc__row--best .calc__value span {
  color: var(--accent-strong);
  font-weight: 700;
}

.brandsec,
.steps {
  background: var(--bg);
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.shot {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.shot::before {
  content: "";
  display: block;
  height: 26px;
  background:
    radial-gradient(circle at 16px 13px, #ef6b5b 5px, transparent 6px),
    radial-gradient(circle at 34px 13px, #f5bf4f 5px, transparent 6px),
    radial-gradient(circle at 52px 13px, #5cc87a 5px, transparent 6px),
    #eef2f4;
}

.shot img {
  width: 100%;
  height: auto;
}

.shot figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.shot--wide {
  margin: 2rem 0;
}

.ticks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem 2rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.ticks li {
  position: relative;
  padding-left: 1.6rem;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.steps__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.steps__list li {
  padding: 1.5rem 1.3rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.steps__list p {
  margin: 0;
  color: var(--muted);
}

.steps__n {
  display: inline-grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  margin-bottom: 0.8rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.faq__in {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr;
  gap: 3rem;
}

.faq__list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq__list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq__list summary::-webkit-details-marker {
  display: none;
}

.faq__list summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1;
}

.faq__list details[open] summary::after {
  content: "−";
}

.faq__list p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.final {
  background: linear-gradient(120deg, var(--accent-strong), var(--accent));
  color: #fff;
  padding: 3.5rem 0;
}

.final__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.final h2 {
  color: #fff;
  margin: 0;
  max-width: 34rem;
}

.footer {
  background: var(--ink);
  color: #b9cdd2;
  padding: 2.5rem 0;
}

.footer__in {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer img {
  height: 36px;
  width: auto;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}

.footer nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.footer a {
  color: #d7e6ea;
  text-decoration: none;
}

.footer p {
  margin: 0 0 0 auto;
}

@media (max-width: 1200px) {
  .plans__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1080px) {
  .nav {
    display: none;
  }
  .topbar__cta {
    margin-left: auto;
  }
  .steps__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .topbar__cta .btn--ghost {
    display: none;
  }
  .hero {
    padding: 3.5rem 0 8rem;
  }
  .plans__grid,
  .steps__list,
  .cards,
  .compare,
  .ticks,
  .calc__in,
  .faq__in {
    grid-template-columns: 1fr;
  }
  .calc__in,
  .faq__in {
    gap: 1.5rem;
  }
  .footer p {
    margin: 0;
  }
}

/* Termos de uso */
.terms__in {
  max-width: 46rem;
}

.terms h1 {
  margin: 0.2rem 0 0.4rem;
}

.terms h2 {
  margin: 2rem 0 0.5rem;
  font-size: 1.2rem;
}

.terms ul {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.6;
}

.terms li + li {
  margin-top: 0.35rem;
}