/* ============================================================
   GLOBAL OVERFLOW SAFETY — prevents ANY horizontal scroll
   ============================================================ */
html,
body {
  overflow-x: hidden;
  max-width: 100vw;
}

* {
  max-width: 100%;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
}

/* ============================================================
   1200px and below
   ============================================================ */
@media (max-width: 1200px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* ============================================================
   992px — TABLET (nav becomes mobile menu)
   ============================================================ */
@media (max-width: 992px) {
  .nav {
    display: none;
  }
  .header__actions .btn:not(.menu-toggle) {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 4rem;
    min-height: auto;
  }
  .hero__container,
  .hero__container--centered {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__visual {
    display: none;
  }

  .problem__grid,
  .about__grid,
  .invest__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .invest__content {
    order: -1;
    text-align: center;
  }
  .invest__content .eyebrow {
    justify-content: center;
  }
  .invest__list {
    max-width: 560px;
    margin: 0 auto;
    width: 100%;
  }

  .service,
  .service--alt,
  .service--cloud {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .service .service__visual,
  .service--alt .service__visual,
  .service--cloud .service__visual {
    order: -1;
  }

  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefit-card--featured {
    grid-column: 1 / -1;
  }

  .about__pillars {
    grid-template-columns: 1fr;
  }
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .cloud-camera-wrap {
    grid-template-columns: 1fr !important;
    min-height: auto !important;
  }
  .cloud-camera-wrap__main {
    min-height: 220px !important;
  }
  .cloud-camera-wrap__main .placeholder {
    min-height: 220px !important;
  }
  .cloud-camera-wrap__side {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    flex-direction: initial !important;
    min-height: auto !important;
    gap: 1rem;
  }
  .cloud-mini-card {
    min-height: 110px;
    flex: initial !important;
  }

  .apps-unified {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .apps-unified__features {
    grid-template-columns: 1fr;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .testimonial--featured {
    transform: none;
  }

  .process__timeline {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process__line {
    display: none;
  }

  .intelbras-feature {
    grid-template-columns: 1fr !important;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }
  .intelbras-feature__left {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .intelbras-feature__content {
    align-items: center;
  }
  .intelbras-feature__desc {
    margin-left: auto;
    margin-right: auto;
  }
  .intelbras-feature__highlights {
    justify-content: center;
    flex-wrap: wrap;
  }

  .certifications {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }

  .cta-form__row {
    grid-template-columns: 1fr;
  }

  /* Equipment showcase — 2 columns on tablet */
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* ============================================================
   768px — SMALL TABLET / LARGE MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .hero__trust {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }
  .hero__trust-divider {
    display: none;
  }

  .benefits__grid {
    grid-template-columns: 1fr;
  }
  .benefit-card--featured {
    grid-column: auto;
  }

  .channels-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer__bottom-links {
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* ============================================================
   640px — MOBILE — Aggressive layout fixes
   ============================================================ */
@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .header__container {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    gap: 0.75rem;
  }
  .header__actions {
    gap: 0.5rem;
  }
  .logo__mark {
    width: 48px;
    height: 48px;
  }

  .hero {
    padding-top: 4.5rem;
    padding-bottom: 3rem;
  }
  .hero__title {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
    line-height: 1.2 !important;
    word-break: break-word;
  }
  .hero__subtitle {
    font-size: var(--fs-sm);
    line-height: 1.55;
  }

  .hero__cta {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    gap: 0.75rem;
    align-items: stretch;
    padding: 0;
  }
  .hero__cta .btn {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    justify-content: center;
    white-space: normal;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 0.9rem;
    line-height: 1.3;
  }
  .hero__cta .btn--lg {
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
  }
  .hero__cta-divider {
    display: none;
  }
  .hero__cta-icons {
    display: flex !important;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 0.25rem;
  }
  .hero__cta .btn-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
  }
  /* Hero content wrap fixes */
  .hero__content {
    width: 100%;
    max-width: 100%;
    padding: 0;
    text-align: center;
  }
  .hero__container--centered {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  .section__title {
    font-size: clamp(1.35rem, 5vw, 1.85rem);
    line-height: 1.25;
    word-break: break-word;
  }
  .section__lead {
    font-size: var(--fs-sm);
    line-height: 1.55;
  }

  .section__header,
  .section__header--center {
    padding-left: 0;
    padding-right: 0;
  }

  .about__stats {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .stat__value {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  /* ============================================================
   INTELBRAS FEATURE — ajustes de responsividade
   ============================================================ */
  @media (max-width: 992px) {
    .intelbras-feature {
      grid-template-columns: 1fr !important;
      text-align: center;
      padding: 2rem 1.5rem;
      gap: 1.5rem;
      justify-items: center;
    }
    .intelbras-feature__content {
      align-items: center;
    }
    .intelbras-feature__desc {
      margin-left: auto;
      margin-right: auto;
    }
    .intelbras-feature__image {
      width: 100%;
      max-width: 320px;
      margin: 0 auto;
    }
    .intelbras-feature__image img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-xl);
      display: block;
    }
  }

  @media (max-width: 640px) {
    .intelbras-feature {
      padding: 1.5rem 1.25rem;
      gap: 1.25rem;
    }
    .intelbras-feature__badge {
      width: 64px;
      height: 64px;
    }
    .intelbras-feature__badge svg {
      width: 30px;
      height: 30px;
    }
    .intelbras-feature__title {
      font-size: 1.1rem;
      line-height: 1.3;
    }
    .intelbras-feature__desc {
      font-size: 0.85rem;
    }
    .intelbras-feature__image {
      max-width: 260px;
    }
  }

  @media (max-width: 360px) {
    .intelbras-feature__image {
      max-width: 100%;
    }
  }

  .certifications {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .benefit-card {
    padding: 1.5rem;
  }
  .benefit-card__title {
    font-size: 1rem;
  }
  .benefit-card__desc {
    font-size: 0.85rem;
  }

  .pillar {
    padding: 1.5rem;
  }
  .pillar__title {
    font-size: 1rem;
  }

  .service {
    padding: 1.5rem 0;
  }
  .service__title {
    font-size: 1.35rem;
    line-height: 1.25;
  }
  .service__desc {
    font-size: 0.9rem;
  }
  .service__features li {
    font-size: 0.85rem;
  }
  .service__tag {
    font-size: 0.75rem;
  }

  .channels-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.6rem !important;
  }
  .channel-tag {
    padding: 0.75rem 0.4rem;
  }
  .channel-tag__num {
    font-size: 1.5rem;
  }

  .cloud-mini-card {
    min-height: 90px;
    padding: 1rem !important;
  }
  .cloud-mini-card svg {
    width: 24px !important;
    height: 24px !important;
  }
  .cloud-mini-card span {
    font-size: 0.7rem !important;
  }

  /* APPS — Mobile: stack devices vertically instead of overlapping */
  .apps-unified {
    gap: 2rem;
  }
  .apps-unified__devices {
    order: -1;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
  }
  .device-tablet,
  .device-phone {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
  }
  .device-tablet {
    width: 100%;
    max-width: 320px;
    height: auto;
    aspect-ratio: 4/5;
    padding: 10px;
    border-radius: 24px;
  }
  .device-tablet__screen {
    padding: 14px 12px;
    gap: 8px;
    border-radius: 16px;
    height: 100%;
  }
  .device-tablet__title {
    font-size: 0.75rem;
  }
  .device-tablet__badge {
    font-size: 0.55rem;
  }
  .cam-cell {
    min-height: 60px;
    padding: 8px;
    font-size: 0.6rem;
  }
  .tablet-btn {
    font-size: 0.55rem;
    padding: 7px 4px;
  }
  .tablet-btn svg {
    width: 11px !important;
    height: 11px !important;
  }

  .device-phone {
    width: 100%;
    max-width: 220px;
    height: auto;
    aspect-ratio: 9/19;
    border-radius: 28px;
  }
  .device-phone__screen {
    border-radius: 22px;
    padding: 12px 10px 8px;
    height: 100%;
  }
  .device-phone__notch {
    width: 70px;
    height: 18px;
  }
  .device-phone__greeting strong {
    font-size: 0.85rem;
  }
  .qa-btn {
    font-size: 0.55rem;
  }
  .qa-btn svg {
    width: 14px !important;
    height: 14px !important;
  }

  .apps-unified__app {
    flex-direction: column;
    text-align: center;
    padding: 1.25rem;
  }
  .apps-unified__icon {
    margin: 0 auto;
  }

  .store-badges {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .store-badge-premium {
    justify-content: center;
    width: 100%;
    min-width: 0;
  }

  .process-step {
    padding: 1.5rem;
  }
  .process-step__title {
    font-size: 1rem;
  }

  /* INVEST CARDS — mantém clip-path da seta, ajusta padding */
  .invest__list {
    width: 100%;
  }
  .invest-card {
    padding: 1.1rem 2.75rem 1.1rem 1.25rem;
    gap: 1rem;
    max-width: 100%;
  }
  .invest-card__num {
    font-size: 1.75rem;
    flex-shrink: 0;
    min-width: 42px;
  }
  .invest-card p {
    font-size: 0.9rem;
    line-height: 1.4;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .invest__content .btn {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .testimonial {
    padding: 1.5rem;
  }
  .testimonial__text {
    font-size: 0.9rem;
  }

  .faq-item__summary {
    font-size: 0.9rem;
    padding: 1rem;
    gap: 0.75rem;
  }
  .faq-item__content {
    padding: 0 1rem 1rem;
  }
  .faq-item__content p {
    font-size: 0.85rem;
  }

  .cta-final {
    padding: 3rem 0;
  }
  .cta-final__title {
    font-size: clamp(1.4rem, 5vw, 1.85rem);
    line-height: 1.25;
  }
  .cta-final__subtitle {
    font-size: 0.9rem;
  }
  .cta-final__trust {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .footer__brand {
    align-items: center;
  }
  .footer__social {
    justify-content: center;
  }
  .footer__contact {
    align-items: center;
  }
  .footer__contact li {
    justify-content: center;
  }
  .footer__credit {
    font-size: 0.7rem;
  }
  .footer__bottom-links a {
    font-size: 0.75rem;
  }

  .client-logo {
    width: 180px;
    height: 100px;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
  }
  .clients__track {
    gap: 1rem;
  }
  .clients__marquee {
    margin: 2rem 0 2rem;
  }

  .whatsapp-float {
    width: 52px !important;
    height: 52px !important;
    bottom: 1rem !important;
    right: 1rem !important;
  }
  .whatsapp-float svg {
    width: 24px !important;
    height: 24px !important;
  }

  /* Equipment showcase — 1 column on mobile */
  .equipment-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 420px;
    margin: 0 auto;
  }
  .equipment-card {
    border-radius: var(--radius-xl);
  }
  .equipment-card__media {
    aspect-ratio: 16 / 10;
  }
  .equipment-card__content {
    padding: 1.25rem 1.25rem 1.5rem;
    gap: 0.5rem;
  }
  .equipment-card__title {
    font-size: 1.05rem;
  }
  .equipment-card__desc {
    font-size: 0.85rem;
    line-height: 1.5;
  }
  .equipment-card__badge {
    width: 38px;
    height: 38px;
    top: 0.75rem;
    right: 0.75rem;
  }
  .equipment-card__badge svg {
    width: 18px !important;
    height: 18px !important;
  }
  .equipment-card__tag {
    font-size: 0.7rem;
    padding: 0.3rem 0.75rem;
  }
  .equipment-showcase__header {
    margin-bottom: 1.75rem;
    padding: 0 0.5rem;
  }
  .equipment-showcase__title {
    font-size: 1.35rem;
    line-height: 1.3;
  }
  .equipment-showcase__lead {
    font-size: 0.85rem;
  }
}

/* ============================================================
   480px — SMALL MOBILE
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding-left: 0.875rem;
    padding-right: 0.875rem;
  }

  .header__container {
    gap: 0.5rem;
  }
  .logo__mark {
    width: 42px;
    height: 42px;
  }
  .menu-toggle {
    width: 40px;
    height: 40px;
  }
  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding-top: 4rem;
    padding-bottom: 2.5rem;
  }
  .hero__title {
    font-size: clamp(1.35rem, 6.5vw, 1.75rem) !important;
  }
  .hero__subtitle {
    font-size: 0.85rem;
  }
  .badge--hero {
    font-size: 0.7rem;
    padding: 0.4rem 0.85rem;
  }

  .section {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }
  .section__title {
    font-size: clamp(1.25rem, 6vw, 1.6rem);
  }

  .about__stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .stat {
    padding: 1rem;
  }

  .device-tablet {
    max-width: 280px;
  }
  .device-phone {
    max-width: 200px;
  }

  .intelbras-feature__title {
    font-size: 1rem;
  }
  .intelbras-feature__badge {
    width: 64px;
    height: 64px;
  }
  .intelbras-feature__badge svg {
    width: 32px !important;
    height: 32px !important;
  }

  .client-logo {
    width: 160px;
    height: 90px;
  }

  .cta-form__field input,
  .cta-form__field select {
    font-size: 0.9rem;
    padding: 0.75rem 0.9rem;
  }

  /* INVEST CARDS — extra small adjustments */
  .invest-card {
    padding: 1rem 2.5rem 1rem 1.1rem;
    gap: 0.85rem;
  }
  .invest-card__num {
    font-size: 1.5rem;
    min-width: 36px;
  }
  .invest-card p {
    font-size: 0.85rem;
    line-height: 1.4;
  }

  /* Equipment showcase — extra small */
  .equipment-grid {
    max-width: 100%;
  }
  .equipment-card__media {
    aspect-ratio: 4 / 3;
  }
}

/* ============================================================
   360px — EXTRA SMALL
   ============================================================ */
@media (max-width: 360px) {
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .cloud-camera-wrap__side {
    grid-template-columns: 1fr !important;
  }
  .channels-grid {
    grid-template-columns: 1fr 1fr !important;
  }
  .client-logo {
    width: 140px;
    height: 80px;
  }
  .device-tablet {
    max-width: 260px;
  }
  .device-phone {
    max-width: 180px;
  }
  .hero__title {
    font-size: 1.25rem !important;
  }
  .section__title {
    font-size: 1.2rem;
  }
}

/* ============================================================
   ACCESSIBILITY — Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .clients__track {
    animation: none;
  }
}

/* ============================================
   FORM — botão inline ao lado do select (FIX MOBILE)
   ============================================ */
.cta-form__row--service {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: end;
}

.cta-form__submit-inline {
  height: 52px;
  white-space: nowrap;
  align-self: end;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .cta-form__row--service {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .cta-form__submit-inline {
    width: 100%;
    max-width: 100%;
    height: auto;
    justify-content: center;
    white-space: normal;
    text-align: center;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    line-height: 1.3;
    align-self: stretch;
    margin-bottom: 0;
  }
}