/* ============================================================
   AURUM ASSESSORIA — STYLES.CSS
   Organização:
   01. Variáveis (:root)
   02. Reset
   03. Utilities
   04. Botões
   05. Loader
   06. Header / Navegação
   07. Hero
   08. Seções / Cards
   09. Diferenciais
   10. Depoimentos (carrossel)
   11. FAQ (accordion)
   12. Contato / Formulário
   13. Rodapé
   14. Flutuantes (WhatsApp / topo)
   15. Animações
   16. Media Queries
============================================================ */

/* ============================================================
   01. VARIÁVEIS
============================================================ */
:root {
  /* Cores — paleta inspirada na logo (navy) */
  --color-bg: #0a1428;
  --color-bg-alt: #0f1d38;
  --color-surface: #16264a;
  --color-white: #ffffff;
  --color-gray: #b9c3d4;
  --color-gray-dark: #7d8aa1;
  --color-gold: #6a8fc7;
  --color-gold-light: #a9c2e6;
  --color-red: #c0392b;
  --color-border: rgba(255, 255, 255, 0.08);

  /* Tipografia (fonte do sistema semelhante à Poppins — sem CDN externa) */
  --font-main: "Poppins", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  /* Espaçamentos */
  --section-padding: clamp(4.5rem, 9vw, 7.5rem);
  --container-width: 1200px;
  --gap: 1.75rem;

  /* Bordas e sombras */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-gold: 0 8px 30px rgba(106, 143, 199, 0.28);

  /* Transições */
  --transition: 0.35s cubic-bezier(0.25, 0.8, 0.35, 1);

  /* Glassmorphism */
  --glass-bg: rgba(30, 30, 30, 0.55);
  --glass-blur: blur(14px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

input,
textarea {
  font-family: inherit;
}

/* ============================================================
   03. UTILITIES
============================================================ */
.container {
  width: min(100% - 3rem, var(--container-width));
  margin-inline: auto;
}

.container--narrow {
  max-width: 820px;
}

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

.grid {
  display: grid;
  gap: var(--gap);
}

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

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

/* Elementos com Scroll Reveal (ativados via JS) */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   04. BOTÕES
============================================================ */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform var(--transition), box-shadow var(--transition),
    background-color var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-bg);
  box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
  box-shadow: 0 14px 40px rgba(201, 162, 39, 0.4);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: var(--glass-blur);
}

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--outline {
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn--sm {
  padding: 0.55rem 1.4rem;
  font-size: 0.85rem;
}

.btn--full {
  width: 100%;
}

/* Efeito ripple (elemento criado via JS) */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple 0.6s ease-out forwards;
  pointer-events: none;
}

/* ============================================================
   05. LOADER
============================================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  background: var(--color-bg);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader__emblem {
  position: relative;
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
}

.loader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(201, 162, 39, 0.2);
  border-top-color: var(--color-gold);
  animation: spin 1s linear infinite;
}

.loader__initials {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.1em;
}

.loader__text {
  color: var(--color-gray);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

/* ============================================================
   06. HEADER / NAVEGAÇÃO
============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 1.4rem 0;
  transition: padding var(--transition), background-color var(--transition),
    box-shadow var(--transition);
}

/* Estado após rolagem (adicionado via JS) */
.header.is-scrolled {
  padding: 0.8rem 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.logo__img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.logo__text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--color-white);
}

.logo__accent {
  display: block;
  color: var(--color-gold);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
}

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

.nav__list {
  display: flex;
  gap: 1.8rem;
}

.nav__link {
  position: relative;
  font-size: 0.92rem;
  color: var(--color-gray);
  transition: color var(--transition);
  padding-block: 0.3rem;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-white);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

/* Botão hambúrguer */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 950;
}

.nav-toggle__bar {
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Estado aberto do hambúrguer */
.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   07. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: -10% 0;
  background-image: url("images/hero.jpg");
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 11, 11, 0.82) 0%,
    rgba(11, 11, 11, 0.6) 50%,
    var(--color-bg) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-block: 8rem 6rem;
}

.hero__badge {
  display: inline-block;
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(201, 162, 39, 0.4);
  background: rgba(201, 162, 39, 0.08);
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.4rem;
}

.hero__subtitle {
  color: var(--color-gray);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  max-width: 640px;
  margin-bottom: 2.4rem;
}

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

/* Indicador de scroll */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 1;
  opacity: 0.75;
  transition: opacity var(--transition);
}

.hero__scroll:hover {
  opacity: 1;
}

.hero__scroll-mouse {
  width: 26px;
  height: 42px;
  border: 2px solid var(--color-gray);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}

.hero__scroll-wheel {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--color-gold);
  animation: scrollWheel 1.8s ease-in-out infinite;
}

.hero__scroll-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray);
}

/* ============================================================
   08. SEÇÕES / CARDS
============================================================ */
.section {
  padding-block: var(--section-padding);
}

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

.section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section__tag {
  display: inline-block;
  color: var(--color-gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.section__title {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
}

.section__desc {
  color: var(--color-gray);
  margin-top: 1.2rem;
}

/* Card base */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 162, 39, 0.35);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: rgba(201, 162, 39, 0.1);
  color: var(--color-gold);
  margin-bottom: 1.4rem;
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.card__text {
  color: var(--color-gray);
  font-size: 0.92rem;
}

/* Card de curso (com imagem) */
.card--course {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card--course:hover .card__media img {
  transform: scale(1.06);
}

.card__body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}

.card__body .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ============================================================
   09. DIFERENCIAIS
============================================================ */
.diff {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform var(--transition), border-color var(--transition);
}

.diff:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 162, 39, 0.35);
}

.diff__check {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.12);
  color: var(--color-gold);
  font-size: 1rem;
}

.diff__title {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.diff__text {
  color: var(--color-gray);
  font-size: 0.9rem;
}

/* ============================================================
   10. DEPOIMENTOS (CARROSSEL)
============================================================ */
.carousel {
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.7s cubic-bezier(0.65, 0, 0.35, 1);
}

.testimonial {
  flex: 0 0 100%;
  text-align: center;
  padding: 2.6rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.testimonial__avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-bg);
  font-weight: 700;
  font-size: 1.3rem;
}

.testimonial__name {
  font-size: 1.05rem;
  font-weight: 600;
}

.testimonial__stars {
  color: var(--color-gold);
  letter-spacing: 0.2em;
  margin: 0.4rem 0 1rem;
}

.testimonial__text {
  color: var(--color-gray);
  font-style: italic;
  max-width: 560px;
  margin: 0 auto;
}

/* Indicadores */
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: background var(--transition), transform var(--transition);
}

.carousel__dot.is-active {
  background: var(--color-gold);
  transform: scale(1.25);
}

/* ============================================================
   11. FAQ (ACCORDION)
============================================================ */
.accordion__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition);
}

.accordion__item.is-open {
  border-color: rgba(201, 162, 39, 0.35);
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.6rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition);
}

.accordion__header:hover {
  color: var(--color-gold);
}

.accordion__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.12);
  color: var(--color-gold);
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}

.accordion__body p {
  padding: 0 1.6rem 1.4rem;
  color: var(--color-gray);
  font-size: 0.95rem;
}

/* ============================================================
   12. CONTATO / FORMULÁRIO
============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-left: 1.2rem;
  border-left: 2px solid var(--color-gold);
}

.contact__label {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.contact__value {
  color: var(--color-gray);
  transition: color var(--transition);
}

a.contact__value:hover {
  color: var(--color-white);
}

/* Formulário */
.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gray);
}

.form__input {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--color-white);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder {
  color: var(--color-gray-dark);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

/* Campo inválido — detalhe vermelho de atenção */
.form__input.is-invalid {
  border-color: var(--color-red);
}

.form__textarea {
  resize: vertical;
  min-height: 110px;
}

.form__error {
  color: var(--color-red);
  font-size: 0.8rem;
  min-height: 1em;
}

.form__success {
  color: var(--color-gold);
  font-size: 0.9rem;
  text-align: center;
}

/* ============================================================
   13. RODAPÉ
============================================================ */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-top: 4rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer__desc {
  color: var(--color-gray);
  font-size: 0.92rem;
  margin-top: 1.2rem;
  max-width: 360px;
}

.footer__heading {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.2rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer__links a {
  color: var(--color-gray);
  font-size: 0.92rem;
  transition: color var(--transition), padding-left var(--transition);
}

.footer__links a:hover {
  color: var(--color-gold);
  padding-left: 6px;
}

.footer__icons {
  display: flex;
  gap: 0.8rem;
}

.footer__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-gray);
  transition: color var(--transition), border-color var(--transition),
    transform var(--transition);
}

.footer__icon svg {
  width: 20px;
  height: 20px;
}

.footer__icon:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1.4rem;
  text-align: center;
  color: var(--color-gray-dark);
  font-size: 0.85rem;
}

/* ============================================================
   14. FLUTUANTES (WHATSAPP / VOLTAR AO TOPO)
============================================================ */
.whatsapp-btn {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 800;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition);
  animation: pulse 2.4s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
}

.whatsapp-btn svg {
  width: 30px;
  height: 30px;
}

.back-to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 5.6rem;
  z-index: 800;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-gold);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition),
    visibility var(--transition), border-color var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--color-gold);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   15. ANIMAÇÕES
============================================================ */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes scrollWheel {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.3;
  }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.7);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in dos elementos do hero (escalonado) */
.fade-in {
  opacity: 0;
  animation: fadeInUp 0.9s ease forwards;
}

.hero__badge.fade-in { animation-delay: 0.25s; }
.hero__title.fade-in { animation-delay: 0.4s; }
.hero__subtitle.fade-in { animation-delay: 0.55s; }
.hero__actions.fade-in { animation-delay: 0.7s; }

/* Acessibilidade: respeitar preferência por menos movimento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   16. MEDIA QUERIES
============================================================ */

/* Grandes monitores */
@media (min-width: 1600px) {
  :root {
    --container-width: 1360px;
  }
}

/* Notebook / tablets grandes */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* Tablet / menu mobile */
@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  /* Menu mobile em tela cheia com animação */
  .nav {
    position: fixed;
    inset: 0;
    z-index: 940;
    flex-direction: column;
    justify-content: center;
    gap: 2.4rem;
    background: rgba(11, 11, 11, 0.96);
    backdrop-filter: var(--glass-blur);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
  }

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

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
  }

  .nav__link {
    font-size: 1.15rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }
}

/* Celular */
@media (max-width: 600px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__content {
    padding-block: 7rem 5rem;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .contact__form {
    padding: 1.6rem;
  }

  .hero__scroll {
    display: none;
  }
}