/* ============================================================
   IMERSA — style.css
   Identidade v2 — Profundo + Marcador · Archivo + IBM Plex Mono
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,400;0,500;0,600;0,700;0,800&family=Archivo+Expanded:wght@700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* --- Variáveis -------------------------------------------- */
:root {
  /* Nomes preservados da versão anterior; valores migrados para a paleta v2 */
  --color-ancora:     #0A1B29; /* Profundo — fundo principal */
  --color-superficie: #143049; /* Meia-luz — cards e painéis */
  --color-creme:      #F3EFE7; /* Areia — texto sobre escuro */
  --color-ouro:       #FF4B1E; /* Marcador — acento pontual */
  --color-secundario: #8DA2AE; /* Bruma — texto de apoio, dados */
  --color-borda:      #1C3547; /* Borda derivada do Profundo */
  --color-superficie-hover: #17384F; /* hover dos cards sobre Meia-luz */
  --color-ancora-hover:     #0D2233; /* hover dos cards sobre Profundo */

  --font-display:   'Archivo Expanded', 'Archivo', sans-serif;
  --font-editorial: var(--font-display); /* alias legado */
  --font-interface: 'Archivo', sans-serif;
  --font-mono:      'IBM Plex Mono', ui-monospace, monospace;

  --container-max: 1200px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);
  --section-pad:   clamp(5rem, 10vw, 8rem);
  --nav-height:    72px;

  --ease: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-ancora);
  color: var(--color-creme);
  font-family: var(--font-interface);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { font-weight: 400; }

/* --- Container -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Âncoras internas não param escondidas atrás do menu fixo */
section[id] {
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

/* --- Tipografia base -------------------------------------- */
.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-secundario);
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-creme);
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

/* --- Botões ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-interface);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.875rem 2rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-ouro);
  color: var(--color-ancora);
  border-color: var(--color-ouro);
  font-weight: 600;
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-ouro);
}

/* ============================================================
   NAV
============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(10, 27, 41, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-borda);
  transition: background-color var(--ease);
}

.nav--scrolled {
  background-color: rgba(10, 27, 41, 0.96);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__logo img { height: 38px; width: auto; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-secundario);
  letter-spacing: 0.04em;
  transition: color var(--ease);
}

.nav__link:hover { color: var(--color-creme); }

.nav__cta {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-creme);
  border: 1px solid var(--color-borda);
  padding: 0.5rem 1.25rem;
  border-radius: 2px;
  transition: border-color var(--ease), color var(--ease);
}

.nav__cta:hover {
  border-color: var(--color-ouro);
  color: var(--color-ouro);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-creme);
  transition: transform var(--ease), opacity var(--ease);
  transform-origin: center;
}

.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 1rem var(--container-pad) 2rem;
  background-color: var(--color-ancora);
  border-top: 1px solid var(--color-borda);
}

.nav__mobile.is-open { display: flex; }

.nav__mobile-link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-creme);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-borda);
  transition: color var(--ease);
}

.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-cta { color: var(--color-creme); }

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

/* Foto do espaço ao fundo, convertida em duotone azul para casar com a paleta.
   Troque assets/images/hero-espaco.jpg por uma foto de interior real. */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('assets/images/hero-espaco.jpg') center 55% / cover no-repeat;
  filter: grayscale(1) brightness(0.78) contrast(1.04);
  animation: heroBgZoom 24s ease-in-out infinite alternate;
}

/* Tinta azul da marca por cima da foto em P&B (multiply) = duotone Profundo */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, #0A1B29 0%, #143049 55%, #205074 100%);
  mix-blend-mode: multiply;
}

/* Camadas Profundo (não animadas): legibilidade do texto + fusão com a seção seguinte */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 45% 42%, rgba(255,75,30,0.05) 0%, transparent 62%),
    linear-gradient(90deg, var(--color-ancora) 0%, rgba(10,27,41,0.62) 40%, rgba(10,27,41,0.12) 100%),
    linear-gradient(0deg, var(--color-ancora) 0%, rgba(10,27,41,0) 40%);
}

.hero__container {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@keyframes heroBgZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg { animation: none; }
}

.hero__label {
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--color-creme);
  margin-bottom: 1.75rem;
  animation: fadeUp 0.7s 0.25s ease both;
}

/* Palavra rotativa do hero — acento Marcador */
.hero__rotator {
  display: inline-block;
  position: relative;
  color: var(--color-ouro);
  vertical-align: bottom;
}

.hero__rotator-word {
  display: inline-block;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.hero__rotator-word.is-out {
  opacity: 0;
  transform: translateY(0.25em);
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-secundario);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.7s 0.4s ease both;
}

.hero .btn {
  animation: fadeUp 0.7s 0.55s ease both;
}

.hero__scroll {
  position: absolute;
  z-index: 2;
  bottom: 2rem;
  left: var(--container-pad, 2rem);
  color: var(--color-secundario);
  display: flex;
  transition: color 0.2s;
  animation: fadeUp 0.7s 0.9s ease both, scrollBounce 2.4s 1.6s ease-in-out infinite;
  text-decoration: none;
}

.hero__scroll:hover {
  color: var(--color-creme);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

/* ============================================================
   PROBLEMA
============================================================ */
.problema {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.problema__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background-color: var(--color-borda);
  border: 1px solid var(--color-borda);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3rem;
}

.problema__grid .card {
  background-color: var(--color-superficie);
  border: none;
  border-radius: 0;
  padding: 2.5rem;
  transition: background-color var(--ease);
}

.problema__grid .card:hover {
  background-color: var(--color-superficie-hover);
}

.card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-ouro);
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-creme);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.card__text {
  font-size: 0.9375rem;
  color: var(--color-secundario);
  line-height: 1.7;
}

/* ============================================================
   SOLUÇÃO
============================================================ */
.solucao {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.solucao__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.solucao__text {
  font-size: 1.0625rem;
  color: var(--color-secundario);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.solucao__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.solucao__list li {
  font-size: 0.9375rem;
  color: var(--color-creme);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.solucao__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-ouro);
}

.solucao__hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--color-secundario);
  margin-top: 2rem;
  line-height: 1.6;
}

.solucao__embed {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.solucao__embed #solucao-panorama {
  display: block;
  width: 100%;
  height: 480px;
  border: 0;
  border-radius: 4px;
}

/* ============================================================
   CASOS DE USO
============================================================ */
.casos {
  padding-block: var(--section-pad);
  background-color: var(--color-superficie);
  border-top: 1px solid var(--color-borda);
}

.casos__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-borda);
  border: 1px solid var(--color-borda);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3rem;
}

.caso-card {
  background-color: var(--color-ancora);
  padding: 2.5rem;
  transition: background-color var(--ease);
}

.caso-card:hover { background-color: var(--color-ancora-hover); }

.caso-card__seg {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ouro);
  margin-bottom: 1rem;
  display: block;
}

.caso-card__text {
  font-size: 1.0625rem;
  color: var(--color-creme);
  line-height: 1.55;
}

/* ============================================================
   SERVIÇOS
============================================================ */
.servicos {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-borda);
  border: 1px solid var(--color-borda);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3rem;
}

.servico-card {
  background-color: var(--color-superficie);
  padding: 2.5rem 2rem;
  transition: background-color var(--ease);
}

.servico-card:hover { background-color: var(--color-superficie-hover); }

.servico-card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-creme);
  margin-bottom: 0.85rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.servico-card__text {
  font-size: 0.9375rem;
  color: var(--color-secundario);
  line-height: 1.65;
}

/* ============================================================
   COMO FUNCIONA
============================================================ */
.processo {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.processo__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-borda);
  border: 1px solid var(--color-borda);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3rem;
}

.processo__grid .card {
  background-color: var(--color-superficie);
  border: none;
  border-radius: 0;
  padding: 2.5rem;
  transition: background-color var(--ease);
}

.processo__grid .card:hover { background-color: var(--color-superficie-hover); }

/* ============================================================
   FAQ
============================================================ */
.faq {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.faq__inner { max-width: 820px; }

.faq__list {
  margin-top: 3rem;
  border-top: 1px solid var(--color-borda);
}

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

.faq__q {
  font-family: var(--font-interface);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-creme);
  padding: 1.5rem 2.5rem 1.5rem 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: color var(--ease);
}

.faq__q::-webkit-details-marker { display: none; }

.faq__q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 1.3rem;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  color: var(--color-ouro);
}

.faq__item[open] .faq__q::after { content: '\2212'; }

.faq__q:hover { color: var(--color-ouro); }

.faq__a {
  font-size: 0.9375rem;
  color: var(--color-secundario);
  line-height: 1.7;
  padding: 0 2.5rem 1.75rem 0;
  max-width: 62ch;
}

/* ============================================================
   SOBRE
============================================================ */
.sobre {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
}

.sobre__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.sobre__image {
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.sobre__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.4s ease;
}

.sobre__image:hover img {
  filter: grayscale(0%);
}

.sobre__text {
  font-size: 1.0625rem;
  color: var(--color-secundario);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* ============================================================
   CTA FINAL
============================================================ */
.cta-final {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-borda);
  text-align: center;
}

.cta-final__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.cta-final__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-creme);
  max-width: 20ch;
}

.cta-final__sub {
  font-size: 1.0625rem;
  color: var(--color-secundario);
  line-height: 1.65;
  max-width: 46ch;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  border-top: 1px solid var(--color-borda);
  padding-block: 3rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.footer__brand img {
  height: 34px;
  width: auto;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-secundario);
  line-height: 1.65;
}

.footer__region {
  font-size: 0.875rem;
  color: var(--color-secundario);
  line-height: 1.65;
  text-align: right;
}

.footer__social {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer__nav .footer__social-label {
  margin-bottom: 0.5rem;
}

.footer__nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-secundario);
  transition: color 0.2s;
}

.footer__nav-link:hover {
  color: var(--color-creme);
}

.footer__social-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-secundario);
}

.footer__instagram {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-creme);
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer__instagram:hover {
  opacity: 0.6;
}

.footer__bottom {
  border-top: 1px solid var(--color-borda);
  padding-top: 1.5rem;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-secundario);
  opacity: 0.7;
}

/* ============================================================
   ANIMAÇÕES
============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade-up com easing de mola */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Delay em sequência para grupos de cards */
.problema__grid .card:nth-child(2),
.caso-card:nth-child(2),
.servico-card:nth-child(2) { transition-delay: 0.1s; }

.problema__grid .card:nth-child(3),
.caso-card:nth-child(3),
.servico-card:nth-child(3) { transition-delay: 0.2s; }

.problema__grid .card:nth-child(4),
.caso-card:nth-child(4),
.servico-card:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   ACESSIBILIDADE
============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__label,
  .hero__headline,
  .hero__sub,
  .hero .btn {
    animation: none;
    opacity: 1;
  }

  .hero::before,
  .hero__rotator-word {
    animation: none;
    transition: none;
  }
}

/* ============================================================
   RESPONSIVIDADE
============================================================ */
@media (max-width: 900px) {
  .casos__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Nav */
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  /* Hero */
  .hero { padding-bottom: 3rem; }
  .hero__container {
    text-align: left;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
  .hero__label { margin-bottom: 1.25rem; }
  .hero__headline {
    font-size: clamp(2.4rem, 9.5vw, 3.4rem);
    line-height: 1.04;
    margin-bottom: 1.5rem;
    text-wrap: balance;
  }
  .hero__sub { margin-bottom: 2rem; }
  .br-desktop { display: none; }
  /* Deixa os títulos das seções quebrarem naturalmente no mobile */
  .section-title br { display: none; }
  .hero .btn {
    position: static;
    width: 100%;
    justify-content: center;
  }
  .hero__scroll { display: none; }

  /* Problema */
  .problema__grid { grid-template-columns: 1fr; }

  /* Solução */
  .solucao__container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .solucao__embed { position: static; }
  .solucao__embed #solucao-panorama { height: 360px; }

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

  /* Como funciona */
  .processo__grid { grid-template-columns: 1fr; }

  /* Sobre */
  .sobre__container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .sobre__image { order: -1; aspect-ratio: 16 / 9; }

  /* Footer */
  .footer__top { flex-direction: column; }
  .footer__region { text-align: left; }
  .footer__social { align-items: flex-start; }
}