:root {
  --landing-max: 1120px;
  --landing-radius: 18px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px; /* sticky header offset */
  scroll-snap-type: y proximity;
}

.landing {
  background: var(--gradient-light);
  min-height: 100vh;
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 248, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.landing-login-menu {
  width: 330px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.landing-login-title {
  font-weight: 900;
  color: var(--dark-color);
}

.landing-login-subtitle {
  color: var(--muted-color);
  font-size: 0.9rem;
}

.landing-header__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.landing-nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.landing-nav__link {
  color: var(--dark-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.86;
}

.landing-nav__link:hover {
  opacity: 1;
  color: var(--secondary-color);
}

.landing-header__actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.landing-btn {
  border-radius: 10px;
  padding: 10px 14px;
}

.hero {
  padding: 72px 18px 64px;
  scroll-snap-align: start;
  scroll-margin-top: 88px;
}

.hero__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.hero__copy {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--landing-radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero__copy::before {
  content: '';
  position: absolute;
  inset: -120px -140px auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at 30% 30%, rgba(92, 122, 82, 0.35) 0%, rgba(92, 122, 82, 0) 65%);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--secondary-color);
  background: rgba(92, 122, 82, 0.12);
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.hero__title {
  font-size: 2.45rem;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dark-color);
}

.hero__subtitle {
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--muted-color);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

.hero__bullets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.hero__cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-bullet {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.hero-bullet i {
  color: var(--secondary-color);
}

.hero-bullet span {
  font-weight: 600;
  color: var(--dark-color);
}



.section {
  padding: 72px 18px;
  scroll-snap-align: start;
  scroll-margin-top: 88px;
}

.section--alt {
  background: rgba(255, 255, 255, 0.6);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 992px) {
  .hero {
    min-height: calc(100vh - 88px);
    display: flex;
    align-items: center;
  }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 78px; }
  .hero { padding: 76px 16px; }
  .section { padding: 72px 16px; }
}

/* ==================== INFRA (Binance/USDT/API/Pares) ==================== */
.infra-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.infra-grid .info-card {
  height: 100%;
}

.infra-pairs {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.infra-pairs__title {
  font-weight: 900;
  color: var(--dark-color);
  margin-bottom: 10px;
}

.pair-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pair-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(92, 122, 82, 0.12);
  border: 1px solid rgba(92, 122, 82, 0.22);
  color: var(--secondary-color);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.infra-pairs__note {
  margin-top: 12px;
  color: var(--muted-color);
}

@media (max-width: 980px) {
  .infra-grid {
    grid-template-columns: 1fr;
  }
}

.section__title {
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.section__lead {
  color: var(--muted-color);
  max-width: 90ch;
}

.section__grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

/* ==================== ABOUT (Quem Somos) ==================== */
.about {
  margin-top: 10px;
}

.about-head {
  text-align: center;
  max-width: 84ch;
  margin: 0 auto;
}

.about-meta {
  margin: 6px auto 10px;
  max-width: 92ch;
  color: rgba(35, 43, 34, 0.72);
  font-weight: 600;
}

.about-lead {
  margin: 0;
  color: var(--muted-color);
  line-height: 1.6;
}

.about-panels {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.about-panel {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-panel__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(92, 122, 82, 0.12);
  border: 1px solid rgba(92, 122, 82, 0.22);
  color: var(--secondary-color);
}

.about-panel__title {
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--dark-color);
}

.about-panel__text {
  color: var(--muted-color);
  line-height: 1.55;
}

.about-pillars {
  margin-top: 18px;
}

.about-subtitle {
  text-align: center;
  font-weight: 900;
  color: var(--dark-color);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.about-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.about-pillars__grid .info-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-foot {
  margin: 18px auto 0;
  max-width: 92ch;
  text-align: center;
  color: var(--muted-color);
  line-height: 1.6;
}

@media (max-width: 980px) {
  .about-panels {
    grid-template-columns: 1fr;
  }
  .about-pillars__grid {
    grid-template-columns: 1fr;
  }
}

.info-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.info-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(92, 122, 82, 0.12);
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.info-card__title {
  font-weight: 800;
  margin-bottom: 6px;
}

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

.features {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.feature__title {
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--dark-color);
}

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

.plans {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
  .plan-card {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
    will-change: transform;
  }
  .plan-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  }
  .plan-card:focus-within {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  }
  .plan-card.plan-card--featured:hover,
  .plan-card.plan-card--featured:focus-within {
    box-shadow: 0 22px 52px rgba(0, 0, 0, 0.22);
  }

  @media (prefers-reduced-motion: reduce) {
    .plan-card {
      transition: none;
    }
    .plan-card:hover,
    .plan-card:focus-within {
      transform: none;
    }
  }

  .hero__pillrow {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
    justify-content: center;
  }

  .hero-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(92, 122, 82, 0.12);
    border: 1px solid rgba(92, 122, 82, 0.22);
    color: var(--dark-color);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
    transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
  }

  .hero-pill:hover {
    background: rgba(92, 122, 82, 0.18);
    border-color: rgba(92, 122, 82, 0.35);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }

  .hero-pill.is-active {
    background: rgba(92, 122, 82, 0.22);
    border-color: rgba(92, 122, 82, 0.55);
  }

  .hero-pill:focus-visible {
    outline: 3px solid rgba(3, 161, 98, 0.25);
    outline-offset: 2px;
  }

  .hero-badge-details {
    margin-top: 12px;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 180ms ease, opacity 180ms ease, padding 180ms ease;
    margin-left: auto;
    margin-right: auto;
    max-width: 74ch;
  }

  .hero-badge-details.is-open {
    padding: 12px 14px;
    max-height: 220px;
    opacity: 1;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
  }

  .hero-badge-details__title {
    font-weight: 900;
    color: var(--dark-color);
  }

  .hero-badge-details__text {
    margin-top: 4px;
    color: var(--muted-color);
  }

  .how {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
  }

  .how-step {
    display: flex;
    gap: 14px;
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: #fff;
    box-shadow: var(--shadow-sm);
  }

  .how-step__n {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(3, 161, 98, 0.18);
    border: 1px solid rgba(3, 161, 98, 0.35);
    color: #d7ffef;
    font-weight: 800;
  }

  .how-step__t {
    font-weight: 800;
  }

  .how-step__d {
    color: var(--muted-color);
    margin-top: 2px;
  }

  @media (max-width: 991px) {
    .how {
      grid-template-columns: 1fr;
    }
  }

.plan-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.plan-card > .btn {
  margin-top: auto;
}

.plan-card__note {
  color: var(--muted-color);
  font-size: 0.9rem;
  margin: -4px 0 12px;
}

.plan-card--highlight {
  border-color: rgba(92, 122, 82, 0.45);
  box-shadow: var(--shadow-lg);
}

.plan-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.plan-card__name {
  font-weight: 900;
  font-size: 1.2rem;
}

.plan-card__badge {
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(92, 122, 82, 0.12);
  color: var(--secondary-color);
  font-weight: 800;
}

.plan-card__list {
  padding-left: 18px;
  margin-bottom: 14px;
  color: var(--muted-color);
}

.contact {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 14px;
  align-items: start;
}

.contact__info {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.contact-line {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--dark-color);
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
}

.contact-line:last-child {
  border-bottom: none;
}

.contact-line i {
  color: var(--secondary-color);
}

.contact-line a {
  color: inherit;
  text-decoration: none;
}

.contact-line a:hover {
  text-decoration: underline;
}

.landing-toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(22, 27, 34, 0.92);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 1065;
}

.landing-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.contact__form {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.contact__hint {
  margin-top: 8px;
  color: var(--muted-color);
  font-size: 0.85rem;
}

.landing-footer {
  padding: 24px 18px 40px;
}

.landing-footer__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  color: var(--muted-color);
  font-size: 0.9rem;
}

.landing-footer__disclaimer {
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  color: var(--muted-color);
  font-size: 0.86rem;
  line-height: 1.35;
}

.landing-footer__disclaimer strong {
  color: var(--dark-color);
}

.landing-footer__disclaimer-rule {
  display: inline-block;
  margin-top: 6px;
  color: var(--dark-color);
  font-weight: 650;
}

.landing-footer__brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.landing-footer__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.landing-footer__name {
  font-weight: 900;
  color: var(--dark-color);
}

.landing-footer__meta {
  color: var(--muted-color);
  font-size: 0.85rem;
}

.landing-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.landing-footer__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.landing-footer__coltitle {
  font-weight: 900;
  color: var(--dark-color);
  margin-bottom: 2px;
}

.landing-footer__col a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 700;
  opacity: 0.95;
}

.landing-footer__col a:hover {
  opacity: 1;
  text-decoration: underline;
}

@media (max-width: 992px) {
  .landing-header__inner {
    grid-template-columns: auto auto;
    grid-template-rows: auto auto;
    justify-content: space-between;
  }
  .landing-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  .hero__inner { grid-template-columns: 1fr; }
  .section__grid {
    grid-template-columns: 1fr;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .plans {
    grid-template-columns: 1fr;
  }
  .contact {
    grid-template-columns: 1fr;
  }
  .hero__bullets {
    grid-template-columns: 1fr;
  }
  .landing-footer__inner {
    grid-template-columns: 1fr;
  }
  .landing-footer__cols {
    grid-template-columns: 1fr;
  }
}