/* CIOT Express — Direção editorial corporativa */

:root {
  --navy: #0D1B2A;
  --blue: #1D4ED8;
  --orange: #FF6B00;
  --white: #FFFFFF;
  --gray-bg: #F8FAFC;
  --gray-100: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #475569;
  --gray-800: #1E293B;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --wrap: 1200px;
  --header-h: 72px;
  --ease: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 120px 0; }
.section--gray { background: var(--gray-bg); }

/* Tipografia editorial */
.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2.125rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--navy);
  max-width: 18ch;
}

.section-title--lg {
  font-size: clamp(2.375rem, 5vw, 3.5rem);
  max-width: 22ch;
}

.section-head { margin-bottom: 72px; }
.section-head--center { text-align: center; }
.section-head--center .section-title { margin: 0 auto; max-width: 24ch; }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
}

.btn--primary:hover {
  background: #E56000;
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn--lg {
  padding: 18px 36px;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--ease), border-color var(--ease);
}

.header--solid {
  background: var(--white);
  border-bottom-color: var(--gray-100);
}

.header:not(.header--solid) .header__logo-img--dark { display: none; }
.header:not(.header--solid) .header__logo-img--light { display: block; }
.header--solid .header__logo-img--light { display: none; }
.header--solid .header__logo-img--dark { display: block; }

.header:not(.header--solid) .header__nav a {
  color: rgba(255, 255, 255, 0.82);
}

.header:not(.header--solid) .header__nav a:hover {
  color: var(--white);
}

.header:not(.header--solid) .header__cta {
  color: var(--white);
}

.header:not(.header--solid) .header__toggle span {
  background: var(--white);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

.header__logo-img {
  height: 28px;
  width: auto;
  display: block;
}

.header__nav {
  display: flex;
  gap: 36px;
  margin-left: auto;
}

.header__nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--ease);
}

.header__nav a:hover { color: var(--navy); }

.header__cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
  white-space: nowrap;
}

.header__cta:hover { color: #E56000; }

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--navy);
}

/* Hero — tela inteira */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  padding-top: var(--header-h);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(13, 27, 42, 0.88) 0%,
    rgba(13, 27, 42, 0.72) 42%,
    rgba(13, 27, 42, 0.25) 100%
  );
}

.hero__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
  width: 100%;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
  max-width: 14ch;
}

.hero__lead {
  font-size: 20px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
  max-width: 46ch;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__panel {
  background: var(--white);
  padding: 28px 32px;
  min-width: 280px;
  border-left: 3px solid var(--orange);
}

.hero__panel-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.hero__panel-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
}

.hero__panel-row:last-child { border-bottom: none; }

.hero__panel-row span { color: var(--gray-600); }

.hero__panel-row strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.hero__panel-ok { color: var(--blue) !important; }

/* Dores — reportagem */
.dores .section-head {
  padding: 0 32px;
  max-width: var(--wrap);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 64px;
}

.dores__list {
  display: flex;
  flex-direction: column;
}

.dores__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
  border-top: 1px solid var(--gray-100);
}

.dores__card:last-child { border-bottom: 1px solid var(--gray-100); }

.dores__card--reverse .dores__card-img { order: 2; }
.dores__card--reverse .dores__card-body { order: 1; }

.dores__card-img {
  overflow: hidden;
  background: var(--gray-bg);
}

.dores__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}

.dores__card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 72px;
  background: var(--white);
}

.dores__card-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.dores__card-body h3 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 16px;
}

.dores__card-body p {
  font-size: 19px;
  color: var(--gray-600);
  line-height: 1.75;
  max-width: 44ch;
}

/* Solução — imagem central */
.solucao__head {
  margin-bottom: 64px;
}

.solucao__stage {
  position: relative;
}

.solucao__image img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
}

.solucao__modules {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}

.solucao__module {
  padding: 40px 36px;
  border-right: 1px solid var(--gray-100);
}

.solucao__module:last-child { border-right: none; }

.solucao__module-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.solucao__module h3 {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.solucao__module p {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Comparação */
.comparacao {
  padding: 0;
}

.comparacao__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 640px;
}

.comparacao__col {
  display: flex;
  flex-direction: column;
}

.comparacao__media {
  flex: 1;
  min-height: 360px;
  overflow: hidden;
}

.comparacao__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparacao__col--antes .comparacao__media img {
  filter: saturate(0.7) brightness(0.92);
}

.comparacao__content {
  padding: 48px 56px 56px;
  background: var(--white);
}

.comparacao__col--depois .comparacao__content {
  background: var(--navy);
  color: var(--white);
}

.comparacao__tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.comparacao__tag--accent { color: var(--orange); }

.comparacao__content h3 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.comparacao__col--depois .comparacao__content h3 { color: var(--white); }

.comparacao__content li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 14px;
  font-size: 18px;
  line-height: 1.7;
}

.comparacao__col--antes .comparacao__content li { color: var(--gray-600); }
.comparacao__col--depois .comparacao__content li { color: rgba(255, 255, 255, 0.82); }

.comparacao__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: currentColor;
}

/* Diferenciais */
.diferenciais__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-100);
  border: 1px solid var(--gray-100);
}

.diferenciais__item {
  background: var(--white);
  padding: 48px 36px;
}

.diferenciais__num {
  display: block;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gray-100);
  margin-bottom: 24px;
}

.diferenciais__item h3 {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.diferenciais__item p {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Depoimentos */
.depoimentos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.depoimentos__item {
  border-top: 2px solid var(--navy);
  padding-top: 32px;
}

.depoimentos__photo {
  width: 72px;
  height: 72px;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 24px;
}

.depoimentos__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.depoimentos__text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--gray-800);
  margin-bottom: 28px;
  font-style: normal;
}

.depoimentos__item footer cite {
  display: block;
  font-style: normal;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 4px;
}

.depoimentos__item footer span {
  font-size: 13px;
  color: var(--gray-400);
}

/* CTA */
.cta {
  background: var(--navy);
  padding: 120px 0;
  text-align: center;
}

.cta__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 20px;
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.cta__lead {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  padding: 72px 32px;
}

.footer__brand p {
  margin-top: 20px;
  font-size: 16px;
  color: var(--gray-600);
  max-width: 32ch;
  line-height: 1.65;
}

.footer__nav h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 20px;
}

.footer__nav a {
  display: block;
  font-size: 15px;
  color: var(--gray-600);
  padding: 6px 0;
  transition: color var(--ease);
}

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

.footer__whatsapp {
  font-weight: 600;
  color: var(--orange) !important;
}

.footer__bar {
  border-top: 1px solid var(--gray-100);
  padding: 20px 0;
}

.footer__bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--gray-400);
}

.footer__bar-inner a {
  font-weight: 600;
  color: var(--orange);
}

.footer__bar-inner a:hover { color: #E56000; }

/* WhatsApp fixo — discreto */
.wa-fixed {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 52px;
  height: 52px;
  background: #128C7E;
  color: var(--white);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease);
}

.wa-fixed:hover { background: #0E7064; }

/* Responsivo */
@media (max-width: 1024px) {
  .hero__body {
    grid-template-columns: 1fr;
  }

  .hero__panel {
    max-width: 360px;
  }

  .dores__card-body {
    padding: 48px 40px;
  }

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

  .solucao__module:nth-child(2) { border-right: none; }
  .solucao__module:nth-child(1),
  .solucao__module:nth-child(2) {
    border-bottom: 1px solid var(--gray-100);
  }

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

  .depoimentos__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .wrap { padding: 0 20px; }

  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px 20px;
    gap: 0;
    border-bottom: 1px solid var(--gray-100);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--ease), opacity var(--ease);
    margin-left: 0;
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .header__nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
  }

  .header__cta { display: none; }
  .header__toggle { display: flex; }

  .hero {
    align-items: center;
    padding-bottom: 48px;
  }

  .hero__title { max-width: none; }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__panel { min-width: unset; width: 100%; }

  .dores__card,
  .dores__card--reverse {
    grid-template-columns: 1fr;
  }

  .dores__card--reverse .dores__card-img,
  .dores__card--reverse .dores__card-body { order: unset; }

  .dores__card-img { min-height: 220px; }

  .dores__card-body { padding: 40px 24px; }

  .solucao__modules { grid-template-columns: 1fr; }

  .solucao__module {
    border-right: none;
    border-bottom: 1px solid var(--gray-100);
  }

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

  .comparacao__grid { grid-template-columns: 1fr; }

  .comparacao__content { padding: 36px 24px 44px; }

  .diferenciais__grid { grid-template-columns: 1fr; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 56px 20px;
  }

  .footer__bar-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__panel-row {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
}