/* ============================================================
   SafeCore Backup — design tokens
   Concreto/Papel (superfícies) · Tinta/Grafite (texto)
   Cofre (seções escuras) · Cobre (assinatura/CTA)
   ============================================================ */

:root {
  --concreto: #ECEEF0;
  --papel: #F7F8F6;
  --tinta: #10151C;
  --grafite: #5B6572;
  --cofre: #1B2A3D;
  --cofre-2: #24374E;
  --cobre: #C1611F;
  --cobre-soft: #F0DCC8;
  --linha: #CDD1D5;
  --linha-escura: rgba(255, 255, 255, 0.12);

  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --corpo: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--corpo);
  color: var(--tinta);
  background: var(--concreto);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--display);
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

p { margin: 0; }

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

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--cobre);
  color: #fff;
  padding: 12px 18px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--cobre);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cobre);
  margin: 0 0 14px;
}
.eyebrow--light { color: var(--cobre-soft); }

.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  max-width: 18ch;
  margin-bottom: 20px;
}

.ink-copper { color: var(--cobre); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--corpo);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--cobre);
  color: #fff;
}
.btn--primary:hover { background: #A9531A; }

.btn--ghost {
  background: transparent;
  border-color: var(--linha);
  color: var(--tinta);
}
.btn--ghost:hover { border-color: var(--cobre); color: var(--cobre); }

.btn--block { width: 100%; }

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(236, 238, 240, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linha);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
}
.brand__mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--cobre);
  transform: rotate(45deg);
}
.brand__accent { color: var(--cobre); }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}
.nav a:not(.nav__cta) { color: var(--grafite); }
.nav a:not(.nav__cta):hover { color: var(--tinta); }

.nav__cta {
  background: var(--cofre);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav__cta:hover { background: var(--cofre-2); }

@media (max-width: 720px) {
  .nav a:not(.nav__cta) { display: none; }
}

@media (max-width: 400px) {
  .topbar__inner { height: 64px; }
  .brand { font-size: 16px; }
  .nav__cta { padding: 8px 14px; font-size: 13px; }
}

/* ---------- hero ---------- */

.hero { padding: 72px 0 96px; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.hero__title {
  font-size: clamp(36px, 5vw, 58px);
  margin: 0 0 22px;
}

.hero__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--grafite);
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

/* seal */

.seal {
  position: relative;
  width: 176px;
  height: 176px;
  flex-shrink: 0;
}

.seal__ring {
  width: 100%;
  height: 100%;
  animation: spin 26s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.seal__ring-text {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  fill: var(--cofre);
}

.seal__core {
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  background: var(--cofre);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(27, 42, 61, 0.55);
}
.seal__core-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--cobre-soft);
}
.seal__core-value {
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  margin-top: 4px;
}

/* ledger */

.ledger {
  width: 100%;
  max-width: 420px;
  background: var(--cofre);
  border-radius: var(--radius);
  padding: 20px 22px 8px;
  box-shadow: 0 20px 44px -18px rgba(16, 21, 28, 0.35);
}

.ledger__title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cobre-soft);
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

.ledger__list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 168px;
}

.ledger__list li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: #E8ECF1;
  padding: 8px 0;
  border-top: 1px solid var(--linha-escura);
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}
.ledger__list li:first-child { border-top: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.ledger__list li .dim { color: #8CA0B8; }

/* ---------- problema (dark section) ---------- */

.problema {
  background: var(--cofre);
  color: #fff;
  padding: 88px 0;
}

.problema__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

@media (max-width: 800px) {
  .problema__grid { grid-template-columns: 1fr; }
}

.problema .section-title { color: #fff; max-width: 16ch; }

.problema__copy p {
  color: #C7D0DB;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 52ch;
}

/* ---------- como funciona ---------- */

.funciona { padding: 96px 0; }

.camadas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
}

@media (max-width: 940px) {
  .camadas { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .camadas { grid-template-columns: 1fr; }
}

.camada {
  background: var(--papel);
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.camada__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cobre);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.camada__title {
  font-size: 19px;
  margin-bottom: 10px;
}

.camada__desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--grafite);
}

/* ---------- proteção / valores ---------- */

.protecao { padding: 96px 0; background: var(--papel); }

.valores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 44px;
  background: var(--linha);
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (max-width: 860px) {
  .valores { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .valores { grid-template-columns: 1fr; }
}

.valor {
  background: var(--papel);
  padding: 30px 26px;
}

.valor h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.valor p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--grafite);
}

/* ---------- investimento ---------- */

.investimento { padding: 96px 0; }

.investimento__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 860px) {
  .investimento__grid { grid-template-columns: 1fr; }
}

.investimento__copy {
  font-size: 16px;
  line-height: 1.7;
  color: var(--grafite);
  max-width: 50ch;
}

.investimento__card {
  background: var(--cofre);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
}

.investimento__card-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cobre-soft);
  margin-bottom: 18px;
}

.investimento__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}
.investimento__list li {
  padding: 14px 0;
  border-top: 1px solid var(--linha-escura);
  font-size: 15px;
}
.investimento__list li:first-child { border-top: none; }

/* ---------- diagnóstico / form ---------- */

.diagnostico {
  background: var(--cofre);
  color: #fff;
  padding: 96px 0;
}

.diagnostico__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
}

@media (max-width: 860px) {
  .diagnostico__grid { grid-template-columns: 1fr; }
}

.diagnostico__intro p {
  color: #C7D0DB;
  font-size: 16px;
  line-height: 1.7;
  max-width: 42ch;
}

.form {
  background: var(--papel);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
}

.form__row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  grid-column: span 2;
  min-width: 0;
}
.form__row--half { grid-column: span 1; }

.form label {
  overflow-wrap: break-word;
  word-break: break-word;
}

@media (max-width: 520px) {
  .form { grid-template-columns: 1fr; }
  .form__row--half { grid-column: span 1; }
}

.form label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--tinta);
}

.form input,
.form textarea {
  font-family: var(--corpo);
  font-size: 15px;
  color: var(--tinta);
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: 8px;
  padding: 12px 14px;
  resize: vertical;
}
.form input:focus,
.form textarea:focus {
  border-color: var(--cobre);
}

.form__status {
  grid-column: span 2;
  font-size: 14px;
  color: var(--cofre);
  min-height: 1.2em;
}

/* ---------- footer ---------- */

.footer {
  background: var(--tinta);
  color: #B7BFC8;
  padding: 64px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 700px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.brand--footer { color: #fff; margin-bottom: 12px; }

.footer__tagline {
  font-size: 14px;
  line-height: 1.6;
  max-width: 32ch;
  margin-top: 12px;
}

.footer__heading {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #7C8794;
  margin-bottom: 12px;
}

.footer__col a { font-size: 14.5px; }
.footer__col a:hover { color: #fff; }
.footer__col p { font-size: 14.5px; line-height: 1.6; }

.footer__legal {
  padding-top: 24px;
  font-size: 13px;
}