/* ==========================================================================
   1. RESET
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 170px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

ul,
ol {
  list-style: none;
}

/* ==========================================================================
   2. TOKENS DE DESIGN
   ========================================================================== */

:root {
  /* Cores */
  --color-bg: #ffffff;
  --color-bg-alt: #eef1f3;
  --color-bg-dark: #16232a;
  --color-text: #202a32;
  --color-text-muted: #5b6670;
  --color-text-inverse: #ffffff;
  --color-primary: #1d4e5f;
  --color-primary-hover: #163c4a;
  --color-accent: #8c1f0d;
  --color-accent-hover: #6f1809;
  --color-border: #dce1e4;

  /* Tipografia */
  --font-family-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-body: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-h1: clamp(2rem, 4vw + 1rem, 3.25rem);
  --font-size-h2: clamp(1.5rem, 2.2vw + 1rem, 2.25rem);
  --font-size-h3: 1.15rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Espaçamento */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;

  /* Superfícies */
  --radius: 20px;
  --radius-pill: 100px;
  --shadow: 0 30px 60px rgba(29, 78, 95, 0.12);

  /* Layout */
  --container-max: 1200px;
}

/* ==========================================================================
   3. BASE (mobile-first)
   ========================================================================== */

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.button {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button--primary {
  background: var(--color-accent);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--color-accent-hover);
}

.button--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.button--secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
}

/* Section header (eyebrow + title + lead), reused across sections */
.section {
  padding-block: var(--space-7);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  max-width: 720px;
  margin-bottom: var(--space-6);
}

#servicos .section__header,
#segmentos .section__header,
#como-trabalhamos .section__header,
#licencas .section__header,
#diferenciais .section__header,
#atuacao .section__header,
#projetos .section__header {
  max-width: none;
}

.section__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__eyebrow--on-dark {
  color: #ffffff;
}

.section__eyebrow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  font-size: 0.75rem;
}

.section__eyebrow--on-dark .section__eyebrow-index {
  background: #ffffff;
  color: var(--color-primary);
}

.section__title {
  font-size: var(--font-size-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__lead {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

.section__lead:first-of-type {
  margin-top: 0;
}

.section__note {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  font-style: italic;
}

/* ==========================================================================
   4. HEADER
   ========================================================================== */

.header {
  position: relative;
  z-index: 100;
}

.header__topbar {
  background: var(--color-primary);
  color: #ffffff;
}

.header__topbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-2);
  font-size: var(--font-size-small);
}

.header__topbar-link {
  opacity: 0.9;
}

.header__topbar-link:hover {
  opacity: 1;
  text-decoration: underline;
}

.header__main {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.header__logo-img {
  height: 130px;
  width: auto;
}

/* Mobile nav (checkbox hack) */
.nav__toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav__toggle-input:checked ~ .nav {
  max-height: 600px;
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-1);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.nav__link:hover {
  color: var(--color-accent);
}

.nav__cta {
  margin: 0 var(--space-3) var(--space-3);
}

/* ==========================================================================
   5. HERO
   ========================================================================== */

.hero {
  padding-block: var(--space-6);
  background: var(--color-bg-alt);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.hero__kicker {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  text-transform: uppercase;
  font-size: var(--font-size-small);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: var(--font-size-h1);
  color: var(--color-primary);
}

.hero__lead {
  margin-top: var(--space-4);
  font-size: 1.1rem;
  color: var(--color-text);
}

.hero__text {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

.hero__highlight {
  margin-top: var(--space-3);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ==========================================================================
   6. CARDS (serviços, diferenciais, segmentos)
   ========================================================================== */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.card {
  padding: var(--space-5);
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section--alt .card {
  background: #ffffff;
}

.card__icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: var(--space-4);
}

.card__title {
  font-size: var(--font-size-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ==========================================================================
   7. STEPS (como trabalhamos)
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  counter-reset: step;
}

.step {
  padding: var(--space-5);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}

.step__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
  margin-bottom: var(--space-3);
}

.step__title {
  font-size: var(--font-size-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.step__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ==========================================================================
   8. SPLIT (segurança, sobre) — texto + imagem
   ========================================================================== */

.split__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.split__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split__text {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

.split__text:first-of-type {
  margin-top: 0;
}

/* ==========================================================================
   9. COMPLIANCE (licenças e conformidade)
   ========================================================================== */

.compliance {
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}

.compliance__title {
  font-size: var(--font-size-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.compliance__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.compliance__item {
  position: relative;
  padding-left: var(--space-5);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.compliance__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
}

.compliance__note {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  font-style: italic;
}

/* ==========================================================================
   10. HIGHLIGHT (nosso diferencial)
   ========================================================================== */

.highlight {
  padding-block: var(--space-7);
  background: var(--color-bg-dark);
  color: #ffffff;
  text-align: center;
}

.highlight__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.highlight__title {
  font-size: var(--font-size-h2);
  max-width: 760px;
}

.highlight__text {
  margin-top: var(--space-4);
  max-width: 640px;
  color: rgba(255, 255, 255, 0.75);
}

.highlight__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.highlight__tag {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   11. COVERAGE (área de atuação)
   ========================================================================== */

.coverage {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.coverage__state {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #ffffff;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
}

/* ==========================================================================
   12. FAQ
   ========================================================================== */

.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__item {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
}

.faq__question {
  cursor: pointer;
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  float: right;
  font-size: 1.25rem;
  color: var(--color-accent);
}

.faq__item[open] .faq__question::after {
  content: '−';
}

.faq__answer {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

/* ==========================================================================
   13. CTA FINAL
   ========================================================================== */

.cta-final {
  padding-block: var(--space-7);
  background: var(--color-accent);
  color: #ffffff;
  text-align: center;
}

.cta-final__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-final__title {
  font-size: var(--font-size-h2);
  max-width: 700px;
}

.cta-final__text {
  margin-top: var(--space-4);
  max-width: 640px;
  color: rgba(255, 255, 255, 0.9);
}

.cta-final__text--strong {
  font-weight: var(--font-weight-bold);
  font-size: 1.1rem;
}

.cta-final__actions {
  margin-top: var(--space-5);
}

.cta-final .button--primary {
  background: #ffffff;
  color: var(--color-accent);
}

.cta-final .button--primary:hover {
  background: var(--color-bg-alt);
}

/* ==========================================================================
   14. CONTACT FORM
   ========================================================================== */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: var(--space-5);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-form__label {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.contact-form__input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #ffffff;
  font-size: var(--font-size-body);
}

.contact-form__input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.contact-form__input--textarea {
  resize: vertical;
}

.contact-form__submit {
  align-self: flex-start;
  margin-top: var(--space-2);
}

/* ==========================================================================
   15. FOOTER
   ========================================================================== */

.footer {
  padding-block: var(--space-7) var(--space-5);
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.85);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer__logo-img {
  height: 90px;
  width: auto;
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.65);
  margin-top: var(--space-2);
}

.footer__tagline:first-of-type {
  margin-top: 0;
}

.footer__heading {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.65);
}

.footer__link:hover {
  color: #ffffff;
}

.footer__address {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.65);
  font-style: normal;
  line-height: 1.6;
}

.footer__copyright {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   16. WHATSAPP FLUTUANTE
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.whatsapp-float:hover {
  background: #1ebe5b;
  transform: scale(1.05);
}

.whatsapp-float__icon {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   17. MEDIA QUERIES — mobile-first
   ========================================================================== */

@media (min-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }

  .whatsapp-float {
    right: var(--space-5);
    bottom: var(--space-5);
  }

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

@media (min-width: 768px) {
  .cards--5,
  .cards--6 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .footer__brand {
    width: 100%;
  }

  .footer__column {
    flex: 1;
    min-width: 160px;
  }
}

@media (min-width: 1024px) {
  html {
    scroll-padding-top: 186px;
  }

  .header__inner {
    padding-block: var(--space-4);
  }

  .header__logo-img {
    height: 130px;
  }

  .nav__toggle {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    background: none;
    border: none;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    padding: 0;
  }

  .nav__link {
    padding: var(--space-1);
  }

  .nav__cta {
    margin: 0;
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-7);
  }

  .hero__content {
    flex: 1;
    min-width: 0;
  }

  .hero__media {
    flex: 1;
    min-width: 0;
  }

  .cards--5 {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards--6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .compliance__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .split__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-7);
  }

  .split__media,
  .split__content {
    flex: 1;
    min-width: 0;
  }

  .split--reverse .split__inner {
    flex-direction: row-reverse;
  }

  .footer__brand {
    width: auto;
    flex: 1.4;
  }
}

@media (min-width: 1280px) {
  .section {
    padding-block: var(--space-7) calc(var(--space-7) + var(--space-4));
  }
}