/* ==========================================================================
   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;
}

@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 — paleta de marca definida pelo cliente (DM Sans, cantos retos herdados da referência)
   ========================================================================== */

:root {
  /* Cores */
  --color-bg: #FAFAFA;
  --color-bg-alt: #EBEFF2;
  --color-border: #E0E3EA;
  --color-dark: #001233;
  --color-dark-alt: #023E7D;
  --color-text: #001233;
  --color-text-muted: #536789;
  --color-text-inverse: #FAFAFA;
  --color-text-inverse-muted: rgba(250, 250, 250, 0.78);
  --color-primary: #0000E8;
  --color-primary-hover: #023E7D;
  --color-primary-dark: #001233;
  --color-accent: #E89C31;

  /* Tipografia */
  --font-family-base: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-h1: clamp(2.25rem, 3.2vw + 1.2rem, 3.75rem);
  --font-size-h2: clamp(1.75rem, 1.6vw + 1.2rem, 2.5rem);
  --font-size-h3: 1.25rem;
  --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;
  --space-8: 96px;

  /* Superfícies */
  --radius: 2px;
  --radius-button: 4px;
  --shadow: 0 10px 20px rgba(0, 18, 51, 0.15);

  /* Layout */
  --container-max: 1280px;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: var(--color-dark);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-3);
}

.eyebrow {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-hover);
  margin-bottom: var(--space-2);
}

.eyebrow--inverse {
  color: var(--color-accent);
}

.eyebrow--center {
  text-align: center;
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.section-title--center {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.section-title--inverse {
  color: var(--color-text-inverse);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-button);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-body);
  border: 1px solid transparent;
  text-align: center;
}

.button--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.button--outline-inverse {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-text-inverse);
}

.button--outline-inverse:hover {
  border-color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.08);
}

.button--light {
  background: var(--color-bg-alt);
  color: var(--color-dark);
}

.button--light:hover {
  background: var(--color-text-inverse);
}

/* Header */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 100;
}

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

.header__logo-img {
  height: 48px;
  width: auto;
}

.header__toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

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

.header__toggle span {
  display: block;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
}

.header__nav {
  flex-basis: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.header__toggle-input:checked ~ .header__nav {
  max-height: 480px;
}

.header__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-block: var(--space-4);
}

.header__link {
  font-weight: var(--font-weight-medium);
}

.header__link:hover {
  color: var(--color-primary-hover);
}

.header__cta {
  display: inline-flex;
  margin-bottom: var(--space-4);
}

/* Hero */
.hero {
  position: relative;
  color: var(--color-text-inverse);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 18, 51, 0.88) 0%, rgba(0, 18, 51, 0.94) 100%);
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-block: var(--space-7) var(--space-6);
}

.hero__title {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  color: var(--color-text-inverse-muted);
  max-width: 560px;
  margin-bottom: var(--space-5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero__panel {
  background: var(--color-dark-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__panel-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero__panel-content {
  padding: var(--space-5);
}

.hero__panel-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
}

.hero__panel-text {
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--space-5);
}

.hero__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-4);
}

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

.hero__stat-value {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: var(--font-size-small);
  color: var(--color-text-inverse-muted);
}

/* About */
.about {
  padding-block: var(--space-7);
}

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

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

.about__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.about__text:last-child {
  margin-bottom: 0;
}

/* Services */
.services {
  padding-block: var(--space-7);
  background: var(--color-bg-alt);
}

.service {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.service:last-child {
  margin-bottom: 0;
}

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

.service__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
}

.service__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.service__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-4);
  margin-bottom: var(--space-3);
}

.service__list li {
  position: relative;
  padding-left: var(--space-4);
  color: var(--color-text);
}

.service__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}

/* Differentials */
.differentials {
  padding-block: var(--space-7);
}

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

.differential-card {
  position: relative;
  background: var(--color-bg-alt);
  padding: var(--space-5);
  border-radius: var(--radius);
  overflow: hidden;
}

.differential-card__shape {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 70px;
  height: 70px;
  background: var(--color-border);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.differential-card__title {
  position: relative;
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.differential-card__text {
  position: relative;
  color: var(--color-text-muted);
}

/* Process */
.process {
  padding-block: var(--space-7);
  background: var(--color-dark);
  color: var(--color-text-inverse);
}

.process__list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-6);
}

.process-step {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.process-step:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.process-step__number {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  min-width: 3ch;
}

.process-step__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.process-step__text {
  color: var(--color-text-inverse-muted);
}

/* Benefits */
.benefits {
  padding-block: var(--space-7);
  background: var(--color-bg-alt);
}

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

.benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius);
}

.benefit__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Segments */
.segments {
  padding-block: var(--space-7);
}

.segments__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.segments__tag {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-dark);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-button);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

/* Commitment (Segurança e Sustentabilidade) */
.commitment {
  padding-block: var(--space-7);
  background: var(--color-bg-alt);
}

.commitment__card {
  display: flex;
  flex-direction: column;
  background: var(--color-dark-alt);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.commitment__panel {
  padding: var(--space-5);
  color: var(--color-text-inverse);
}

.commitment__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.commitment__checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.commitment__check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.commitment__check-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.commitment__cta {
  display: inline-flex;
  margin-bottom: var(--space-3);
}

.commitment__link {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-inverse-muted);
}

.commitment__link:hover {
  color: var(--color-text-inverse);
}

.commitment__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* FAQ */
.faq {
  padding-block: var(--space-7);
}

.faq__list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-4);
}

.faq-item__question {
  cursor: pointer;
  font-weight: var(--font-weight-bold);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: "+";
  flex-shrink: 0;
  color: var(--color-primary-hover);
  font-size: 1.25rem;
  font-weight: var(--font-weight-regular);
}

.faq-item[open] .faq-item__question::after {
  content: "\2212";
}

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

/* Final CTA */
.final-cta {
  padding-block: var(--space-7);
  background: var(--color-dark);
  color: var(--color-text-inverse);
  text-align: center;
}

.final-cta__inner {
  max-width: 720px;
}

.final-cta__title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.final-cta__text {
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--space-5);
}

.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

/* Footer */
.footer {
  background: var(--color-dark);
  color: var(--color-text-inverse-muted);
  padding-top: var(--space-7);
}

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

.footer__logo-img {
  height: 28px;
  width: auto;
  margin-bottom: var(--space-3);
  filter: brightness(0) invert(1);
}

.footer__tagline {
  margin-bottom: var(--space-4);
  max-width: 360px;
}

.footer__badges {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-size-small);
}

.footer__badges li::before {
  content: "— ";
  color: var(--color-accent);
}

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

.footer__heading {
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.footer__link:hover {
  color: var(--color-text-inverse);
}

.footer__link--static {
  color: var(--color-text-inverse-muted);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-block: var(--space-4);
  font-size: var(--font-size-small);
}

.footer__back-top {
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__back-top:hover {
  border-color: var(--color-text-inverse);
}

/* 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;
}

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

@media (min-width: 480px) {
  .whatsapp-float {
    right: var(--space-5);
    bottom: var(--space-5);
  }

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

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

@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }

  .header__nav {
    flex-basis: auto;
    max-height: none;
    overflow: visible;
    display: flex;
    align-items: center;
    gap: var(--space-5);
  }

  .header__list {
    flex-direction: row;
    padding-block: 0;
  }

  .header__cta {
    margin-bottom: 0;
  }

  .hero__inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-6);
    align-items: start;
    padding-block: var(--space-8) var(--space-7);
  }

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

  .about__media,
  .about__content {
    flex: 1;
    min-width: 0;
  }

  .service {
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }

  .service--reverse {
    flex-direction: row-reverse;
  }

  .service__media,
  .service__content {
    flex: 1;
    min-width: 0;
  }

  .commitment__card {
    flex-direction: row;
    align-items: stretch;
  }

  .commitment__panel {
    flex: 0 0 42%;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .commitment__media {
    flex: 1;
    min-width: 0;
    height: auto;
    aspect-ratio: auto;
  }

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

  .footer__brand {
    max-width: 320px;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .differentials__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .process-step {
    align-items: center;
  }

  .segments__tag {
    font-size: var(--font-size-body);
  }
}

@media (min-width: 1280px) {
  .hero__inner {
    gap: var(--space-8);
  }
}