/* =========================================================
   NOMA SOFTWARE — style.css
   Mobile-First: estilos base para smartphones, depois
   media queries (min-width) para tablet e desktop.
   ========================================================= */

/* ---------- 1. Variáveis (paleta extraída do logo) ---------- */
:root {
  /* Primárias */
  --c-navy: #0B1F4D;        /* azul-marinho do "NOMA" e dos contornos */
  --c-navy-deep: #071538;   /* variação escura para fundos */
  --c-blue: #1F6FC5;        /* azul médio das trilhas internas */
  /* Secundária / destaque */
  --c-cyan: #1FE3F0;        /* ciano luminoso dos nós e do separador */
  --c-cyan-soft: #B9F6FB;
  /* Fundos e neutros */
  --c-bg: #F5F8FC;          /* branco-gelo do fundo da imagem */
  --c-surface: #FFFFFF;
  --c-border: #DCE5F1;
  --c-text: #0B1F4D;
  --c-muted: #4A5B7C;
  --c-shadow: rgba(11, 31, 77, 0.12);

  /* Gradiente de marca (azul → ciano) */
  --grad-brand: linear-gradient(120deg, var(--c-blue) 0%, var(--c-cyan) 100%);

  /* Tipografia */
  --font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Espaçamentos e formas */
  --radius: 18px;
  --radius-sm: 10px;
  --gutter: 1.25rem;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 2. Reset e base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;          /* rolagem suave nas âncoras */
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- 3. Componentes utilitários ---------- */

/* Rótulo superior: replica "Software | Soluções Digitais" do logo */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-blue);
}

.eyebrow i,
.brand__text small i {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--c-cyan);
  border-radius: 2px;
}

.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 50px;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background-color 0.3s var(--ease), color 0.3s var(--ease);
}

.btn svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--c-navy);
  color: #fff;
  box-shadow: 0 10px 24px -10px var(--c-navy);
}

.btn--primary:hover {
  background: var(--c-blue);
  box-shadow: 0 14px 30px -10px var(--c-blue);
}

.btn--ghost {
  border-color: var(--c-border);
  color: var(--c-navy);
  background: var(--c-surface);
}

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

.btn--sm {
  min-height: 42px;
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
}

/* ---------- 4. Header / navegação ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  /* No mobile, fundo quase opaco sem blur: rolagem mais leve em aparelhos simples */
  background: rgba(245, 248, 252, 0.97);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

/* Classe aplicada via JS ao rolar a página */
.header.is-scrolled {
  border-color: var(--c-border);
  box-shadow: 0 6px 20px -12px var(--c-shadow);
}

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

/* Marca: ícone N + texto, como na composição do logo */
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand__text strong {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--c-navy);
}

.brand__text small {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--c-navy);
}

/* Botão hambúrguer (mobile) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--c-navy);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.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);
}

/* Menu mobile: painel que desce abaixo do header */
.nav {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem var(--gutter) 1.75rem;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 20px 30px -20px var(--c-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

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

.nav__list {
  display: flex;
  flex-direction: column;
}

.nav__link {
  display: block;
  padding: 0.75rem 0;
  font-weight: 600;
  color: var(--c-navy);
  border-bottom: 1px solid var(--c-border);
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 2.5rem) 0 4rem;
  overflow: hidden;
}

/* Grade de pontos que lembra uma placa de circuito */
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--c-border) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%);
  pointer-events: none;
}

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

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero__title {
  font-size: clamp(2rem, 7.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-navy);
}

.hero__subtitle {
  font-size: 1.02rem;
  color: var(--c-muted);
  max-width: 58ch;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.hero__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--c-border);
}

.hero__highlights li {
  display: flex;
  flex-direction: column;
}

.hero__highlights strong {
  font-size: 0.88rem;
  color: var(--c-navy);
}

.hero__highlights span {
  font-size: 0.75rem;
  color: var(--c-muted);
  line-height: 1.35;
}

/* Visual do logo com sombra elíptica (como na imagem de referência) */
.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__logo-wrap {
  position: relative;
  width: min(72vw, 300px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  animation: float 6s ease-in-out infinite;
}

/* Halo ciano atrás do logo */
.hero__logo-wrap::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 227, 240, 0.28) 0%, transparent 70%);
}

.hero__logo {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__shadow {
  width: 60%;
  height: 18px;
  margin-top: 1rem;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(11, 31, 77, 0.18) 0%, transparent 70%);
  animation: shadow 6s ease-in-out infinite;
}

/* Pulso de energia na trilha central do logo.
   Só o logo do hero anima: header, CTA e rodapé ficam estáticos,
   evitando repintar SVGs com filtro de brilho a cada quadro. */
.logo-pulse {
  stroke-dasharray: 8 6;
  animation: var(--pulse, none);
}

.hero__logo {
  --pulse: pulse-line 2.4s linear infinite;
}

/* ---------- 6. Seções genéricas ---------- */
.section {
  padding: 4.5rem 0;
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.section__title {
  font-size: clamp(1.6rem, 5.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-navy);
}

.section__lead {
  color: var(--c-muted);
}

/* ---------- 7. Serviços (cards em grid) ---------- */
.services {
  background: var(--c-surface);
}

.services__grid {
  display: grid;
  gap: 1.25rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem 1.5rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}

/* Linha de "circuito" que acende no topo do card ao passar o mouse */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: 0 24px 40px -24px var(--c-shadow), 0 0 0 1px var(--c-border);
}

.card:hover::before {
  transform: scaleX(1);
}

.card__icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--c-blue);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: color 0.3s, background-color 0.3s;
}

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

.card:hover .card__icon {
  color: var(--c-cyan);
  background: var(--c-navy);
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-navy);
}

.card__text {
  font-size: 0.95rem;
  color: var(--c-muted);
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.card__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-navy);
}

/* Marcador em forma de "nó" do circuito */
.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-cyan);
  border: 2px solid var(--c-navy);
}

/* Card em destaque (WhatsApp): versão escura */
.card--featured {
  background: linear-gradient(160deg, var(--c-navy) 0%, var(--c-navy-deep) 100%);
  border-color: var(--c-navy);
}

.card--featured .card__title,
.card--featured .card__list li {
  color: #fff;
}

.card--featured .card__text {
  color: #C3CFE6;
}

.card--featured .card__icon {
  background: rgba(31, 227, 240, 0.12);
  border-color: rgba(31, 227, 240, 0.35);
  color: var(--c-cyan);
}

.card--featured .card__list li::before {
  border-color: var(--c-cyan-soft);
}

/* ---------- 8. Processo (linha do tempo em circuito) ---------- */
.process__steps {
  position: relative;
  display: grid;
  gap: 2rem;
  padding-left: 0.25rem;
}

/* Trilha vertical que conecta os nós (mobile) */
.process__steps::before {
  content: "";
  position: absolute;
  left: calc(0.25rem + 23px);
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(var(--c-blue), var(--c-cyan));
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  column-gap: 1rem;
}

.step__node {
  grid-row: span 2;
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--c-navy);
  background: var(--c-surface);
  border: 3px solid var(--c-navy);
  box-shadow: 0 0 0 5px var(--c-bg), 0 0 18px rgba(31, 227, 240, 0.5);
}

.step__node svg {
  width: 23px;
  height: 23px;
}

.step h3 {
  font-size: 1.1rem;
  color: var(--c-navy);
  align-self: end;
}

.step p {
  font-size: 0.93rem;
  color: var(--c-muted);
}

/* ---------- 9. CTA final ---------- */
.cta {
  position: relative;
  padding: 5rem 0;
  background: radial-gradient(ellipse at top, #12306E 0%, var(--c-navy) 45%, var(--c-navy-deep) 100%);
  color: #fff;
  overflow: hidden;
  text-align: center;
}

/* Grade de circuito em ciano no fundo */
.cta__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 227, 240, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 227, 240, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 10%, transparent 75%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  z-index: 0; /* contexto próprio para o anel do botão ficar atrás dele */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 760px;
}

/* Em fundo escuro, o contorno navy do logo vira claro */
.cta__logo,
.brand--light .brand__icon {
  --c-navy: #E6F1FF;
}

.cta__logo {
  width: 72px;
  height: 72px;
}

.cta__title {
  font-size: clamp(1.8rem, 6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.15;
}

.cta__text {
  color: #C3CFE6;
  max-width: 56ch;
}

.btn--cta {
  position: relative;
  margin-top: 0.75rem;
  min-height: 58px;
  padding: 1rem 2rem;
  font-size: 1.05rem;
  color: var(--c-navy);
  background: var(--c-cyan);
}

/* Anel pulsante: anima transform/opacity (GPU) em vez de box-shadow (repintura) */
.btn--cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--c-cyan);
  animation: ring 2.6s ease-out infinite;
  pointer-events: none;
}

.btn--cta:hover {
  background: #fff;
}

.btn--cta .icon-wa {
  width: 22px;
  height: 22px;
}

.btn--cta:hover .icon-wa {
  transform: none;
}

/* ---------- 10. Footer ---------- */
.footer {
  padding: 2rem 0;
  background: var(--c-navy-deep);
  color: #9FB0CF;
  border-top: 1px solid rgba(31, 227, 240, 0.15);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.brand--light .brand__text strong,
.brand--light .brand__text small {
  color: #fff;
}

.footer__copy {
  font-size: 0.85rem;
}

/* ---------- 11. Botão flutuante do WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #25D366;
  box-shadow: 0 10px 24px -8px rgba(11, 31, 77, 0.45);
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.3s;
}

/* Aparece após rolar um pouco (classe via JS) */
.wa-float.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 14px 30px -8px rgba(37, 211, 102, 0.6);
}

.wa-float svg {
  width: 28px;
  height: 28px;
}

/* ---------- 12. Animações de entrada (fade-in ao rolar) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Atrasos escalonados definidos por data-delay */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* Sem JS, o conteúdo continua visível */
.no-js .reveal {
  opacity: 1;
  transform: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes shadow {
  0%, 100% { transform: scaleX(1); opacity: 1; }
  50% { transform: scaleX(0.85); opacity: 0.7; }
}

@keyframes pulse-line {
  to { stroke-dashoffset: -28; }
}

@keyframes ring {
  0% { transform: none; opacity: 0.55; }
  70%, 100% { transform: scale(1.12, 1.6); opacity: 0; }
}

/* ---------- 13. Tablet (≥ 640px) ---------- */
@media (min-width: 640px) {
  :root {
    --gutter: 2rem;
  }

  .hero__actions {
    flex-direction: row;
  }

  .hero__highlights span {
    font-size: 0.82rem;
  }

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

  /* Card de destaque ocupa a linha inteira no tablet */
  .card--featured {
    grid-column: 1 / -1;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .wa-float {
    right: 1.5rem;
    bottom: 1.5rem;
    width: 58px;
    height: 58px;
  }
}

/* ---------- 14. Desktop (≥ 960px) ---------- */
@media (min-width: 960px) {
  :root {
    --header-h: 80px;
  }

  /* Efeito vidro só no desktop, onde há folga de processamento */
  .header {
    background: rgba(245, 248, 252, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* Navegação horizontal; esconde o hambúrguer */
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__list {
    flex-direction: row;
    gap: 2rem;
  }

  .nav__link {
    position: relative;
    padding: 0.25rem 0;
    border: 0;
    font-size: 0.95rem;
  }

  /* Sublinhado ciano animado */
  .nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--c-cyan);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--ease);
  }

  .nav__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .brand__icon {
    width: 46px;
    height: 46px;
  }

  .brand__text strong {
    font-size: 1.55rem;
  }

  .brand__text small {
    font-size: 0.7rem;
  }

  /* Hero em duas colunas: texto à esquerda, logo à direita (como na imagem) */
  .hero {
    padding: calc(var(--header-h) + 4rem) 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
  }

  .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
  }

  .hero__subtitle {
    font-size: 1.12rem;
  }

  .hero__logo-wrap {
    width: 380px;
  }

  .section {
    padding: 6.5rem 0;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .card--featured {
    grid-column: auto;
  }

  .card {
    padding: 2.25rem 2rem;
  }

  /* Linha do tempo horizontal */
  .process__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-left: 0;
  }

  .process__steps::before {
    left: 24px;
    /* Termina no centro do último nó: largura de uma coluna menos meio nó */
    right: calc((100% - 6rem) / 4 - 24px);
    top: 23px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--c-blue), var(--c-cyan));
  }

  .step {
    grid-template-columns: 1fr;
    row-gap: 0.6rem;
  }

  .step__node {
    grid-row: auto;
    margin-bottom: 0.5rem;
  }

  .cta {
    padding: 7rem 0;
  }
}

/* ---------- 15. Acessibilidade: menos movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}