/* ============================================================
   PlanejeMP — style.css
   Ordem: tokens → reset → base → layout → componentes → seções → responsividade
   ============================================================ */

/* ============================================================
   1. TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
  /* Cores */
  --color-bg:          #f8f5f0;
  --color-surface:     #ffffff;
  --color-surface-alt: #f1ece4;
  --color-text:        #222222;
  --color-text-soft:   #5f5a55;
  --color-accent:      #e87520;
  --color-accent-hover:#c95f10;
  --color-dark:        #353535;
  --color-dark-footer: #2a2a2a;
  --color-cream:       #e8ddd0;
  --color-border:      #ddd4ca;
  --color-success:     #1f8f50;
  --color-error:       #c0392b;
  --color-overlay:     rgba(53, 53, 53, 0.88);

  /* Tipografia */
  --font-heading: "Playfair Display", Georgia, serif;
  --font-body:    "Inter", Arial, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Espaçamentos */
  --space-1:  0.5rem;
  --space-2:  0.75rem;
  --space-3:  1rem;
  --space-4:  1.5rem;
  --space-5:  2rem;
  --space-6:  3rem;
  --space-7:  4rem;
  --space-8:  6rem;

  /* Bordas */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);

  /* Layout */
  --container-width: 1200px;
  --section-padding: clamp(3rem, 8vw, 6rem);

  /* Transições */
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;

  /* Header */
  --header-height: 70px;
}

/* ============================================================
   2. RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

input, select, textarea, button {
  font-size: inherit;
}

textarea {
  resize: vertical;
}

/* ============================================================
   3. BASE — Tipografia e acessibilidade
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl)); }

p {
  color: var(--color-text-soft);
  max-width: 65ch;
}

/* Foco visível para acessibilidade */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-2);
}

/* Honeypot */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   4. LAYOUT — Container e seções
   ============================================================ */
.container {
  width: min(100% - 2rem, var(--container-width));
  margin-inline: auto;
}

section {
  padding-block: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-7);
}

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

.section-subtitle {
  font-size: var(--text-lg);
  max-width: 55ch;
  margin-inline: auto;
}

/* ============================================================
   5. COMPONENTES
   ============================================================ */

/* --- Botões --- */
.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 117, 32, 0.3);
}
.button:active {
  transform: translateY(0);
}

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

.button--secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.button--secondary:hover {
  background: var(--color-accent);
  color: #fff;
}

.button--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.button--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.button--whatsapp {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}
.button--whatsapp:hover {
  background: #1dab52;
  border-color: #1dab52;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

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

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
}
.badge i {
  color: var(--color-accent);
  font-size: var(--text-base);
}

/* --- Cards genéricos --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.card:hover img {
  transform: scale(1.04);
}
.card__content {
  padding: var(--space-4);
}
.card__title {
  font-size: var(--text-lg);
  font-family: var(--font-heading);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  max-width: none;
}

/* --- Icon Card --- */
.icon-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.icon-card i {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.icon-card span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

.icon-card--large {
  flex-direction: column;
  text-align: left;
}
.icon-card--large i {
  font-size: 2rem;
  margin-top: 0;
}
.icon-card--large h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.icon-card--large p {
  font-size: var(--text-sm);
  max-width: none;
}

/* --- Portfolio card --- */
.portfolio-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.portfolio-card__btn {
  display: block;
  width: 100%;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
}
.portfolio-card__btn img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform var(--transition-base);
  display: block;
}
.portfolio-card__btn:hover img {
  transform: scale(1.05);
}

/* --- Testimonial card --- */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}
.testimonial-card__text {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
  max-width: none;
  line-height: 1.8;
}
.testimonial-card__footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.testimonial-card__location {
  font-size: var(--text-xs);
  color: var(--color-text-soft);
}

/* --- Formulário --- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}
.form-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.form-field label span {
  color: var(--color-accent);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 117, 32, 0.15);
}
.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  min-height: 1.2em;
  display: block;
}
.form-helper {
  font-size: var(--text-xs);
  color: var(--color-text-soft);
}
.form-status {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  min-height: 1.5em;
  text-align: center;
}
.form-status.is-success { color: var(--color-success); }
.form-status.is-error   { color: var(--color-error); }

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.lightbox[hidden] { display: none; }
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  cursor: pointer;
}
.lightbox__img {
  position: relative;
  max-height: 90vh;
  max-width: 90vw;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.4);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: background var(--transition-fast);
}
.lightbox__close:hover {
  background: rgba(255,255,255,0.28);
}

/* --- Botão flutuante WhatsApp --- */
.floating-whatsapp {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  z-index: 800;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}

/* --- Botão voltar ao topo --- */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 5rem;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  color: var(--color-accent);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-2px);
}
.back-to-top[hidden] { display: none; }

/* ============================================================
   6. SEÇÕES ESPECÍFICAS
   ============================================================ */

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 700;
  background: rgba(53, 53, 53, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 117, 32, 0.18);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.site-header.is-scrolled {
  background: rgba(53, 53, 53, 0.99);
  border-color: rgba(232, 117, 32, 0.25);
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.32);
}

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

.site-header__logo img {
  height: 38px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: none; /* Mobile: escondido */
  flex-direction: column;
  gap: 0;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(80vw, 300px);
  background: var(--color-dark);
  padding: calc(var(--header-height) + var(--space-4)) var(--space-5) var(--space-8);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 701;
}
.site-nav__list.is-open {
  display: flex;
  transform: translateX(0);
}

.site-nav__link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-cream);
  border-bottom: 1px solid rgba(232, 221, 208, 0.12);
  transition: color var(--transition-fast);
}
.site-nav__link:hover {
  color: var(--color-accent);
}

.site-nav__cta-item {
  margin-top: var(--space-5);
  border-bottom: none;
}
.site-nav__cta-item .button {
  width: 100%;
  justify-content: center;
}

/* Toggle hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  z-index: 702;
  position: relative;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-cream);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Overlay do menu mobile */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 699;
}
.nav-overlay.is-active { display: block; }

/* --- Hero --- */
.hero {
  padding-top: calc(var(--header-height) + var(--space-8));
  padding-bottom: var(--space-8);
  background: var(--color-bg);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero__eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  max-width: none;
}

.hero__title {
  color: var(--color-text);
}

.hero__text {
  font-size: var(--text-lg);
  max-width: 52ch;
}

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

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

.hero__media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* --- Trust bar --- */
.trust-bar {
  background: var(--color-surface-alt);
  padding-block: var(--space-7);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

/* --- Sobre --- */
.about {
  background: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about__text {
  font-size: var(--text-base);
  max-width: 58ch;
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.about__highlights li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.about__highlights li i {
  color: var(--color-accent);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.about__media img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* --- Ambientes --- */
.solutions {
  background: var(--color-surface-alt);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

/* --- Portfólio --- */
.portfolio {
  background: var(--color-bg);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.portfolio__cta {
  text-align: center;
  margin-top: var(--space-6);
}

/* --- Diferenciais --- */
.differentials {
  background: var(--color-surface-alt);
}

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

/* --- Como funciona --- */
.process {
  background: var(--color-bg);
}

.process__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
  counter-reset: steps;
}

.process__step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.process__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.process__step-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.process__step-text {
  font-size: var(--text-base);
  max-width: none;
}

/* --- Depoimentos --- */
.testimonials {
  background: var(--color-surface-alt);
}

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

/* --- CTA de reforço --- */
.cta-section {
  background: var(--color-dark);
  padding-block: var(--space-8);
}

.cta-section__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.cta-section__title {
  color: #fff;
  max-width: 18ch;
}

.cta-section__text {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-lg);
  max-width: 50ch;
}

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

/* --- Contato --- */
.contact {
  background: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__text {
  font-size: var(--text-base);
  max-width: 50ch;
}

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

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.contact__link:hover {
  color: var(--color-accent);
}
.contact__link i {
  font-size: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact__form-wrap {
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* --- Rodapé --- */
.site-footer {
  background: var(--color-dark-footer);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-8);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-7);
}

.site-footer__brand p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  max-width: 36ch;
  color: rgba(255,255,255,0.55);
}

.site-footer__nav h3,
.site-footer__contact h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-3);
}

.site-footer__nav ul,
.site-footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__nav a,
.site-footer__contact a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}
.site-footer__nav a:hover,
.site-footer__contact a:hover {
  color: rgba(255,255,255,0.9);
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: var(--space-4);
}
.site-footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.site-footer__bottom p,
.site-footer__bottom a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}
.site-footer__bottom a:hover {
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   7. ANIMAÇÕES ON-SCROLL (classe .reveal)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   8. RESPONSIVIDADE — Mobile-first
   ============================================================ */

/* Tablet — 768px+ */
@media (min-width: 768px) {
  .trust-bar__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .process__steps {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .process__step {
    grid-template-columns: 1fr;
    flex: 1 1 calc(50% - var(--space-5));
    min-width: 200px;
    text-align: center;
    justify-items: center;
  }

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

  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* Desktop — 1024px+ */
@media (min-width: 1024px) {
  /* Nav desktop */
  .nav-toggle { display: none; }

  .site-nav__list {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    position: static;
    width: auto;
    background: none;
    padding: 0;
    box-shadow: none;
    transform: none;
    overflow: visible;
  }

  .site-nav__link {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    border-bottom: none;
    color: var(--color-cream);
    position: relative;
  }
  .site-nav__link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
    transform-origin: center;
  }
  .site-nav__link:hover::after { transform: scaleX(1); }
  .site-nav__link:hover { color: var(--color-accent); }

  .site-nav__cta-item {
    margin-top: 0;
    border-bottom: none;
  }
  .site-nav__cta-item .button {
    width: auto;
    justify-content: initial;
    padding: 0.625rem 1.4rem;
    font-size: var(--text-sm);
  }

  /* Hero 2 colunas */
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .hero__media img {
    height: 560px;
  }

  /* About 2 colunas */
  .about__grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Trust bar 4 colunas */
  .trust-bar__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Diferenciais 4 colunas */
  .differentials__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Process horizontal */
  .process__steps {
    flex-direction: row;
    gap: 0;
    flex-wrap: nowrap;
    align-items: start;
  }
  .process__step {
    flex: 1;
    min-width: 0;
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    position: relative;
    padding-inline: var(--space-3);
  }
  .process__step + .process__step::before {
    content: "";
    position: absolute;
    top: 27px;
    left: calc(-50% + 28px);
    right: calc(50% + 28px);
    height: 2px;
    background: var(--color-border);
  }

  /* Depoimentos 3 colunas */
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop amplo — 1280px+ */
@media (min-width: 1280px) {
  .solutions__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reduzir movimento (acessibilidade) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}