/* ==========================================================================
   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: var(--header-height);
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
}

@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;
}

table {
  border-collapse: collapse;
}

/* ==========================================================================
   2. TOKENS DE DESIGN
   Extraídos do estilo de referência (paleta petróleo + magenta, DM Sans,
   cantos bem arredondados, sombras suaves) e adaptados ao posicionamento
   técnico/regulatório da RN Consultoria.
   ========================================================================== */

:root {
  /* Cores */
  --color-bg: #ffffff;
  --color-bg-alt: #F4F6F7;
  --color-bg-tint: #EAF1FF;
  --color-bg-tint-warm: #F8E9EA;
  --color-text: #0E2A2F;
  --color-text-muted: #55707A;
  --color-text-on-dark: #EAF2F1;
  --color-text-on-dark-muted: #A8B7D6;
  --color-primary: #102D69;
  --color-primary-hover: #0B2050;
  --color-primary-soft: #E8EBF3;
  --color-accent: #33C9D0;
  --color-accent-hover: #26A3A9;
  --color-border: #E1E6E7;

  /* Tipografia */
  --font-family-base: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-h1: clamp(2rem, 3.2vw + 1.2rem, 3.25rem);
  --font-size-h2: clamp(1.5rem, 1.6vw + 1.2rem, 2.25rem);
  --font-size-h3: 1.25rem;
  --font-size-h4: 1.05rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  --font-size-eyebrow: 0.8125rem;
  --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-sm: 10px;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;
  --shadow: 0 4px 24px rgba(16, 45, 105, 0.10);
  --shadow-strong: 0 10px 30px rgba(16, 45, 105, 0.18);

  /* Layout */
  --container-max: 1200px;
  --header-height: 112px;
}

/* ==========================================================================
   3. BASE
   ========================================================================== */

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);
}

h1, h2, h3, h4,
.card__title,
.process__title,
.stats__number,
.highlight__text,
.compare__side-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  color: var(--color-primary);
}

p {
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  font-size: var(--font-size-eyebrow);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 62ch;
}

.section-header {
  margin-bottom: var(--space-6);
}

.section-header--center {
  text-align: center;
  margin-inline: auto;
}

.section-header--center .section-subtitle {
  margin-inline: auto;
}

.section {
  padding-block: var(--space-7);
}

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

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

.section--dark {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: #ffffff;
}

.section--dark p {
  color: var(--color-text-on-dark-muted);
}

.section--tight {
  padding-block: var(--space-6);
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-8);
  }
}

/* ==========================================================================
   4. BOTÕES
   ========================================================================== */

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: var(--font-weight-bold);
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

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

.button--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

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

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

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

.button--on-dark:hover {
  background: var(--color-bg-tint);
}

.button--outline-on-dark {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.5);
}

.button--outline-on-dark:hover {
  border-color: #ffffff;
}

.button--sm {
  padding: 0.6rem 1.25rem;
  font-size: var(--font-size-small);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* ==========================================================================
   5. HEADER + NAV
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  min-height: var(--header-height);
}

.header__logo-img {
  height: 80px;
  width: auto;
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle__label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle__label span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: transform .2s ease, opacity .2s ease;
}

.header__cta {
  display: none;
}

.nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: #ffffff;
  padding: var(--space-5) var(--space-4);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .25s ease;
}

.nav-toggle:checked ~ .nav {
  transform: translateX(0);
}

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

.nav__item {
  border-bottom: 1px solid var(--color-border);
}

.nav__link {
  display: block;
  padding: var(--space-3) var(--space-1);
  font-weight: var(--font-weight-medium);
}

.nav__dropdown {
  padding-bottom: var(--space-2);
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.nav__mobile-cta {
  margin-top: var(--space-4);
}

.nav__mobile-cta .button {
  width: 100%;
  justify-content: center;
}

@media (min-width: 1024px) {
  .nav-toggle__label {
    display: none;
  }

  .header__cta {
    display: inline-flex;
  }

  .nav {
    position: static;
    inset: auto;
    transform: none;
    padding: 0;
    overflow: visible;
    background: transparent;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
  }

  .nav__item {
    border-bottom: none;
    position: relative;
  }

  .nav__link {
    padding: var(--space-2) 0;
  }

  .nav__dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-strong);
    padding: var(--space-2);
    min-width: 240px;
    z-index: 10;
  }

  .nav__item:hover .nav__dropdown,
  .nav__item:focus-within .nav__dropdown {
    display: block;
  }

  .nav__dropdown-link {
    border-radius: var(--radius-sm);
  }

  .nav__dropdown-link:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
  }

  .nav__mobile-cta {
    display: none;
  }
}

/* ==========================================================================
   6. BREADCRUMB
   ========================================================================== */

.breadcrumb {
  padding-block: var(--space-3);
  background: var(--color-bg-alt);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

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

.breadcrumb__item--current {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.breadcrumb__sep {
  color: var(--color-border);
}

/* ==========================================================================
   7. HERO
   ========================================================================== */

.hero {
  padding-block: var(--space-6) var(--space-7);
  background: var(--color-bg-alt);
}

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

.hero__content {
  max-width: 640px;
}

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

.hero__subtitle {
  margin-top: var(--space-3);
  font-size: 1.0625rem;
  max-width: 56ch;
}

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

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

.hero--page {
  padding-block: var(--space-5) var(--space-6);
}

.hero--page .hero__title {
  font-size: clamp(1.75rem, 2.6vw + 1rem, 2.75rem);
}

@media (min-width: 1024px) {
  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-7);
  }

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

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

/* ==========================================================================
   8. FAIXA DE AUTORIDADE / ESTATÍSTICAS
   ========================================================================== */

.stats {
  background: var(--color-primary);
  color: #ffffff;
  padding-block: var(--space-5);
}

.stats__title {
  color: #ffffff;
  text-align: center;
  font-size: var(--font-size-h4);
  margin-bottom: var(--space-4);
  opacity: 0.85;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  text-align: center;
}

.stats__number {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem);
  font-weight: var(--font-weight-bold);
  color: #ffffff;
}

.stats__label {
  font-size: var(--font-size-small);
  color: var(--color-text-on-dark-muted);
  margin-top: var(--space-1);
}

@media (min-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   9. GRIDS E CARDS
   ========================================================================== */

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

.grid--2 { }
.grid--3 { }
.grid--4 { }
.grid--6 { }

@media (min-width: 640px) {
  .grid--2,
  .grid--4,
  .grid--6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
  .grid--6 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  height: 100%;
  transition: box-shadow .2s ease, transform .2s ease;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card__icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-h4);
  margin-bottom: var(--space-2);
}

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

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
}

.card--compact {
  padding: var(--space-4);
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.card--compact .card__icon {
  margin-inline: auto;
  width: 44px;
  height: 44px;
}

.card--compact .card__title {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  margin-bottom: 0;
}

.card--numbered {
  position: relative;
  padding-top: var(--space-8);
}

.card__number {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-border);
  line-height: 1;
}

.card--on-dark {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.card--on-dark .card__title { color: #ffffff; }
.card--on-dark .card__text { color: var(--color-text-on-dark-muted); }

/* ==========================================================================
   10. PROCESSO / LINHA DO TEMPO (01 → 02 → 03)
   ========================================================================== */

.process {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  counter-reset: step;
}

.process__step {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

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

.process__title {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

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

@media (min-width: 1024px) {
  .process {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
  }

  .process__step {
    flex: 1 1 200px;
  }

  .process__step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: var(--space-4);
    right: -1.4rem;
    color: var(--color-accent);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    z-index: 1;
  }
}

/* ==========================================================================
   11. DESTAQUE / CITAÇÃO
   ========================================================================== */

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

.highlight__text {
  font-size: clamp(1.375rem, 1.6vw + 1rem, 2rem);
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  max-width: 46ch;
  margin-inline: auto;
}

.highlight__subtext {
  margin-top: var(--space-3);
  color: var(--color-text-on-dark-muted);
  max-width: 56ch;
  margin-inline: auto;
}

/* ==========================================================================
   12. COMPARATIVO (ex.: Qualificação x Validação)
   ========================================================================== */

.compare {
  display: grid;
  gap: var(--space-4);
  align-items: stretch;
}

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

.compare__side-title {
  color: var(--color-accent);
  font-size: var(--font-size-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.compare__connector {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .compare {
    grid-template-columns: 1fr auto 1fr;
  }
}

/* ==========================================================================
   13. GALERIA
   ========================================================================== */

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

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

@media (min-width: 768px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   14. EVENTOS (workshops / webinários)
   ========================================================================== */

.event-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.event-card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.event-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.event-card__title {
  font-size: 1.0625rem;
}

.event-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

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

.event-card__footer {
  margin-top: auto;
  padding-top: var(--space-2);
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  width: fit-content;
}

.badge--open { background: #E5F6EC; color: #147A45; }
.badge--soon { background: #FFF3D6; color: #9A6B00; }
.badge--last { background: var(--color-bg-tint-warm); color: var(--color-accent); }
.badge--closed { background: var(--color-bg-alt); color: var(--color-text-muted); }

/* ==========================================================================
   15. PARCEIROS
   ========================================================================== */

.partner-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  height: 100%;
}

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

.partner-card__title {
  font-size: var(--font-size-h4);
}

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

.partners-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
  justify-content: center;
}

.partners-strip__logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
}

/* ==========================================================================
   16. FORMULÁRIOS
   ========================================================================== */

.form {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.form__fieldset {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-4) 0;
}

.form__legend {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  padding: 0;
}

.form__row {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

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

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

.form__label--optional::after {
  content: " (opcional)";
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  font-size: var(--font-size-body);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

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

.form__check-group--inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.form__check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-small);
  color: var(--color-text);
}

.form__check input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.form__file {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.form__hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.form__submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-2);
}

@media (min-width: 640px) {
  .form__row--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   17. MAPA / IMAGEM INSTITUCIONAL
   ========================================================================== */

.map-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-figure img {
  width: 100%;
}

/* ==========================================================================
   18. CTA
   ========================================================================== */

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

.cta__title {
  color: #ffffff;
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-3);
  max-width: 40ch;
  margin-inline: auto;
}

.cta__text {
  color: var(--color-text-on-dark-muted);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-5);
}

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

/* ==========================================================================
   19. FOOTER
   ========================================================================== */

.footer {
  padding-block: var(--space-7) var(--space-5);
  background: #030a28;
  color: var(--color-text-on-dark-muted);
}

.footer__inner {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo-img {
  height: 34px;
  width: auto;
  margin-bottom: var(--space-3);
  filter: brightness(0) invert(1);
}

.footer__text {
  font-size: var(--font-size-small);
}

.footer__columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

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

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

.footer__link {
  font-size: var(--font-size-small);
}

.footer__link:hover {
  color: #ffffff;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.footer__social-link:hover {
  background: var(--color-accent);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
  fill: #ffffff;
}

.footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.8125rem;
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1.2fr 2fr;
  }

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

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

/* ==========================================================================
   20. 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: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.whatsapp-float:hover {
  background: #1ebe5b;
  transform: scale(1.06);
}

.whatsapp-float__icon {
  width: 30px;
  height: 30px;
}

/* ==========================================================================
   21. UTILITÁRIOS
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

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

.mx-auto {
  margin-inline: auto;
}

.flow > * + * {
  margin-top: var(--space-3);
}

.split {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 1024px) {
  .split {
    flex-direction: row;
    gap: var(--space-7);
  }

  .split > * {
    flex: 1;
    min-width: 0;
  }

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

.hero__media--portrait {
  aspect-ratio: 4 / 5;
  max-width: 380px;
  margin-inline: auto;
}

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

.card--center .card__icon {
  margin-inline: auto;
}