/* ===========================================
   BRAVLITE — style.css
   Fontes: Space Grotesk (títulos) | Inter (corpo)
=========================================== */

/* ===========================================
   1. RESET & VARIÁVEIS CSS
=========================================== */

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

:root {
  /* Cores principais */
  --clr-blue-900: #092454;
  --clr-blue-800: #1478B8;
  --clr-blue-600: #21B2D4;
  --clr-blue-400: #566E91;
  --clr-blue-100: #8C8CA4;
  --clr-blue-50:  #ECF4F7;

  /* Neutros */
  --clr-white:    #ffffff;
  --clr-gray-50:  #f8fafc;
  --clr-gray-100: #f1f5f9;
  --clr-gray-200: #ECF4F7;
  --clr-gray-400: #8C8CA4;
  --clr-gray-600: #566E91;
  --clr-gray-800: #1e293b;
  --clr-gray-900: #0f172a;

  /* Verde WhatsApp */
  --clr-whatsapp: #25d366;
  --clr-whatsapp-dark: #128c7e;

  /* Tipografia */
  --ff-heading: 'Space Grotesk', sans-serif;
  --ff-body:    'Inter', sans-serif;

  /* Tamanhos de fonte */
  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-lg:   1.125rem;  /* 18px */
  --fs-xl:   1.25rem;   /* 20px */
  --fs-2xl:  1.5rem;    /* 24px */
  --fs-3xl:  1.875rem;  /* 30px */
  --fs-4xl:  2.25rem;   /* 36px */
  --fs-5xl:  3rem;      /* 48px */
  --fs-6xl:  3.75rem;   /* 60px */

  /* Espaçamentos */
  --space-section: 5rem;
  --space-gap:     1.5rem;

  /* Bordas */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
  --shadow-blue: 0 8px 30px rgba(26, 86, 219, .35);

  /* Transições */
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--clr-gray-800);
  background-color: var(--clr-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

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

ul { list-style: none; }

/* ===========================================
   2. UTILITÁRIOS
=========================================== */

/* Container central */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Seção padrão */
.section {
  padding-block: var(--space-section);
}

/* Cabeçalho de seção */
.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-blue-800);
  background-color: var(--clr-blue-50);
  border: 1px solid var(--clr-blue-100);
  padding: .3rem .8rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
}

.section__title {
  font-family: var(--ff-heading);
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-4xl));
  font-weight: 700;
  color: var(--clr-gray-900);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: var(--fs-lg);
  color: var(--clr-gray-600);
}

/* ===========================================
   3. BOTÕES
=========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  padding: .7rem 1.6rem;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
              background-color var(--transition), color var(--transition);
}

/* Botão primário: azul sólido */
.btn--primary {
  background-color: var(--clr-blue-800);
  color: var(--clr-white);
  box-shadow: var(--shadow-blue);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--clr-blue-900);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(26, 86, 219, .45);
}

.btn--primary:active { transform: translateY(0); }

/* Botão ghost: contorno azul */
.btn--ghost {
  background-color: transparent;
  color: var(--clr-blue-800);
  border: 2px solid var(--clr-blue-800);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background-color: var(--clr-blue-50);
  transform: translateY(-2px);
}

/* Tamanho grande */
.btn--lg {
  font-size: var(--fs-lg);
  padding: .9rem 2rem;
}

/* Botão largura total */
.btn--full {
  width: 100%;
  justify-content: center;
}

/* Botão WhatsApp */
.btn--whatsapp {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background-color: var(--clr-whatsapp);
  color: var(--clr-white);
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-full);
  margin-top: 1.5rem;
  transition: background-color var(--transition), transform var(--transition);
}

.btn--whatsapp:hover {
  background-color: var(--clr-whatsapp-dark);
  transform: translateY(-2px);
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  border-color: var(--clr-gray-200);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.header__logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -.02em;
}

/* Logo em imagem — header */
.header__logo-img {
  height: 55px;       /* ajuste a altura conforme sua logo */
  width: auto;
  display: block;
  object-fit: contain;
}

/* Logo em imagem — footer */
.footer__logo-img {
  height: 50px;       /* ligeiramente menor no rodapé */
  width: auto;
  display: block;
  object-fit: contain;
  filter: brightness(0) invert(1); /* deixa a logo branca no fundo escuro */
  margin-bottom: 1rem;
}

.logo__brav { color: var(--clr-gray-900); }
.logo__lite { color: var(--clr-blue-800); }

/* Navegação */
.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-gray-600);
  position: relative;
  transition: color var(--transition);
}

/* Sublinhado animado */
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background-color: var(--clr-blue-800);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--clr-blue-800);
}

.nav__link:hover::after { width: 100%; }

/* Botão hambúrguer (oculto em desktop) */
.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--clr-gray-800);
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
}

/* Animação do hambúrguer → X */
.header__toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.header__toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.header__toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(68px + 5rem);
  padding-bottom: 5rem;
  background: linear-gradient(160deg, var(--clr-blue-50) 0%, var(--clr-white) 60%);
}

/* Bolhas decorativas */
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
  pointer-events: none;
}

.hero__blob--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-blue-400) 0%, transparent 70%);
  top: -200px;
  right: -150px;
}

.hero__blob--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--clr-blue-100) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

/* Texto hero */
.hero__badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-blue-800);
  background: var(--clr-blue-50);
  border: 1px solid var(--clr-blue-100);
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--ff-heading);
  font-size: clamp(var(--fs-3xl), 4.5vw, var(--fs-6xl));
  font-weight: 700;
  line-height: 1.1;
  color: var(--clr-gray-900);
  margin-bottom: 1.5rem;
}

/* Destaque em azul no título */
.highlight {
  color: var(--clr-blue-800);
  background: linear-gradient(135deg, var(--clr-blue-800), var(--clr-blue-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--clr-gray-600);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Visual decorativo hero */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
}

.hero__card {
  position: absolute;
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--clr-gray-100);
}

/* Card principal */
.hero__card--main {
  width: 280px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  justify-content: center;
}

.hcard__bar {
  border-radius: var(--radius-full);
  height: 10px;
}
.hcard__bar--blue   { background: var(--clr-blue-800); width: 60%; }
.hcard__bar--light  { background: var(--clr-gray-200); width: 85%; }
.hcard__bar--short  { width: 45% !important; }

.hcard__dots {
  display: flex;
  gap: .4rem;
  margin-top: .5rem;
}
.hcard__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-blue-400);
}
.hcard__dots span:nth-child(2) { background: var(--clr-gray-200); }
.hcard__dots span:nth-child(3) { background: var(--clr-gray-200); }

/* Cards de estatísticas */
.hero__card--stat {
  width: 148px;
  padding: 1rem 1.25rem;
  top: 10%;
  right: 4%;
  text-align: center;
  animation: float 4s ease-in-out infinite;
}
.hero__card--stat2 {
  top: auto;
  bottom: 10%;
  right: auto;
  left: 4%;
  animation-delay: 2s;
}

.stat__number {
  font-family: var(--ff-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--clr-blue-800);
}

.stat__icon {
  font-size: 1.5rem;
  margin-bottom: .25rem;
}

.stat__number-sm {
  font-family: var(--ff-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-blue-800);
  line-height: 1.2;
}

.stat__label {
  font-size: var(--fs-xs);
  color: var(--clr-gray-600);
  line-height: 1.3;
}

/* Animação flutuante */
@keyframes float {
  0%, 100% { transform: translateY(0);    }
  50%       { transform: translateY(-10px); }
}

/* ===========================================
   6. SERVIÇOS
=========================================== */

.services {
  background-color: var(--clr-white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

/* Card de serviço */
.service-card {
  position: relative;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-blue-100);
}

/* Variante destaque */
.service-card--featured {
  background: linear-gradient(160deg, var(--clr-blue-900) 0%, var(--clr-blue-800) 100%);
  border-color: transparent;
  color: var(--clr-white);
}

.service-card--featured .service-card__title,
.service-card--featured .service-card__desc {
  color: var(--clr-white);
}

.service-card--featured .service-card__list li::before {
  color: var(--clr-blue-400);
}

.service-card--featured:hover {
  box-shadow: var(--shadow-blue);
  border-color: transparent;
}

/* Badge "mais popular" */
.service-card__badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: rgba(255,255,255,.2);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  padding: .25rem .75rem;
  margin-bottom: 1rem;
}

/* Ícone do card */
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--clr-blue-50);
  color: var(--clr-blue-800);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition), transform var(--transition);
}

.service-card__icon svg { width: 26px; height: 26px; }

.service-card--featured .service-card__icon {
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
}

.service-card:hover .service-card__icon { transform: scale(1.08); }

.service-card__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: .65rem;
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-gray-600);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.service-card__list li {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-gray-400 var(--clr-gray-600));
  padding-left: 1.1rem;
  position: relative;
}

.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-blue-800);
  font-weight: 700;
  font-size: .8rem;
}

/* ===========================================
   7. PORTFÓLIO
=========================================== */

.portfolio {
  background-color: var(--clr-gray-50);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.portfolio-card {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-gray-100);
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__img {
  height: 200px;
  overflow: hidden;
  position: relative;
  background-color: var(--clr-gray-100);
}

.portfolio-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform .5s ease;
}

.portfolio-card:hover .portfolio-card__img img {
  transform: scale(1.06);
}

.portfolio-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-blue-800);
  background: var(--clr-blue-50);
  border-radius: var(--radius-full);
  padding: .2rem .65rem;
  margin-bottom: .6rem;
}

.portfolio-card__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: .4rem;
}

.portfolio-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-gray-600);
  line-height: 1.55;
}

/* ===========================================
   8. CONTATO
=========================================== */

.contact {
  background: linear-gradient(160deg, var(--clr-blue-50) 0%, var(--clr-white) 70%);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

/* Bloco de informações */
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--clr-blue-50);
  color: var(--clr-blue-800);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition), transform var(--transition);
}

.contact-info__icon svg { width: 20px; height: 20px; }

.contact-info__item:hover .contact-info__icon {
  background: var(--clr-blue-800);
  color: var(--clr-white);
  transform: scale(1.08);
}

.contact-info__icon--whatsapp {
  background: #e8f9f1;
  color: var(--clr-whatsapp-dark);
}

.contact-info__item:hover .contact-info__icon--whatsapp {
  background: var(--clr-whatsapp);
  color: var(--clr-white);
}

.contact-info__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--clr-gray-400);
  margin-bottom: .2rem;
}

.contact-info__value {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-gray-800);
  transition: color var(--transition);
}

.contact-info__value:hover { color: var(--clr-blue-800); }

/* Formulário */
.contact__form {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-gray-100);
}

.form__group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form__label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-gray-700, var(--clr-gray-600));
  margin-bottom: .4rem;
}

.form__input,
.form__textarea {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--clr-gray-800);
  background: var(--clr-gray-50);
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  padding: .75rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition),
              background-color var(--transition);
  resize: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--clr-gray-400);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--clr-blue-600);
  background: var(--clr-white);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .15);
}

.form__success {
  margin-top: 1rem;
  padding: .85rem 1rem;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-align: center;
}

/* ===========================================
   9. FOOTER
=========================================== */

.footer {
  background-color: var(--clr-gray-900);
  color: var(--clr-gray-400);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-block: 4rem;
}

.footer__brand .header__logo {
  font-size: var(--fs-2xl);
  margin-bottom: 1rem;
  display: inline-block;
}

.footer__brand .logo__brav { color: var(--clr-white); }
.footer__brand .logo__lite { color: var(--clr-blue-400); }

.footer__tagline {
  font-size: var(--fs-sm);
  line-height: 1.65;
  max-width: 280px;
  margin-bottom: 1.5rem;
}

/* Redes sociais */
.footer__social {
  display: flex;
  gap: .75rem;
}

.social__link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.07);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-gray-400);
  transition: background-color var(--transition), color var(--transition),
              transform var(--transition);
}

.social__link svg { width: 18px; height: 18px; }

.social__link:hover {
  background: var(--clr-blue-800);
  color: var(--clr-white);
  transform: translateY(-3px);
}

/* Colunas de links */
.footer__heading {
  font-family: var(--ff-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-white);
  margin-bottom: 1.25rem;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer__links a {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  transition: color var(--transition), padding-left var(--transition);
}

.footer__links a:hover {
  color: var(--clr-blue-400);
  padding-left: .35rem;
}

/* Barra de copyright */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding-block: 1.5rem;
}

.footer__bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

.footer__bottom p {
  font-size: var(--fs-xs);
  color: var(--clr-gray-400);
}

.footer__bottom strong { color: var(--clr-blue-400); }

/* ===========================================
   10. ANIMAÇÕES
=========================================== */

/* Fade-up: estado inicial */
.animate-fadeup {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

/* Fade-in: estado inicial */
.animate-fadein {
  opacity: 0;
  transition: opacity .9s ease .2s;
}

/* Estado ativo (ativado via JS com IntersectionObserver) */
.animate-fadeup.in-view,
.animate-fadein.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger nos grids — atraso incremental */
.services__grid    .service-card:nth-child(2),
.portfolio__grid   .portfolio-card:nth-child(2),
.portfolio__grid   .portfolio-card:nth-child(4) { transition-delay: .12s; }

.services__grid    .service-card:nth-child(3),
.portfolio__grid   .portfolio-card:nth-child(3),
.portfolio__grid   .portfolio-card:nth-child(5) { transition-delay: .24s; }

.portfolio__grid   .portfolio-card:nth-child(6) { transition-delay: .36s; }

/* ===========================================
   11. RESPONSIVO — TABLET (≤ 1024px)
=========================================== */

@media (max-width: 1024px) {
  :root { --space-section: 4rem; }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle { margin-inline: auto; }

  .hero__actions { justify-content: center; }

  .hero__visual { min-height: 260px; }

  .hero__card--stat  { right: 8%; }
  .hero__card--stat2 { left: 8%; }

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

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

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* ===========================================
   12. RESPONSIVO — MOBILE (≤ 768px)
=========================================== */

@media (max-width: 768px) {
  :root { --space-section: 3.5rem; }

  /* Header mobile */
  .header__toggle { display: flex; }

  .header__nav {
    position: fixed;
    inset: 0;
    background: var(--clr-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition), visibility var(--transition),
                transform var(--transition);
    z-index: 1050;
  }

  .header__nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .nav__link { font-size: var(--fs-xl); }

  /* Hero mobile */
  .hero {
    padding-top: calc(68px + 3rem);
    padding-bottom: 3rem;
    text-align: center;
  }

  .hero__title { font-size: clamp(2rem, 8vw, 2.5rem); }

  .hero__visual { display: none; }

  /* Serviços mobile */
  .services__grid {
    grid-template-columns: 1fr;
  }

  /* Portfólio mobile */
  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  /* Formulário mobile */
  .contact__form { padding: 1.5rem; }

  /* Footer mobile */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

/* ===========================================
   13. RESPONSIVO — SMALL MOBILE (≤ 480px)
=========================================== */

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    text-align: center;
    justify-content: center;
  }

  .section__title { font-size: var(--fs-3xl); }
}

/* ===========================================
   14. ACESSIBILIDADE — Focus visible
=========================================== */

:focus-visible {
  outline: 2px solid var(--clr-blue-600);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ===========================================
   15. SELEÇÃO DE TEXTO
=========================================== */

::selection {
  background-color: var(--clr-blue-100);
  color: var(--clr-blue-900);
}