/* ==========================================================================
   Softlink Tecnologia e Automação — Landing Page
   Design System + Estilos
   ========================================================================== */

/* ----------------------------- Design Tokens ----------------------------- */
:root {
  /* Paleta */
  --azul:        #1565D8;  /* Azul tecnológico — botões, links, destaques */
  --azul-escuro: #0B1736;  /* Azul-marinho — topo, rodapé, títulos fortes */
  --turquesa:    #18B6A4;  /* Cor de apoio — conexão, automação */
  --branco:      #FFFFFF;
  --cinza-claro: #F4F7FA;  /* Fundos alternados */
  --cinza-zip:   #EAF2FF;  /* Bloco do ZipChat */
  --texto:       #52606D;  /* Parágrafos */
  --texto-forte: #0B1736;

  --azul-hover:  #0F52B4;
  --borda:       #E2E8F0;

  /* Tipografia */
  --fonte: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Espaçamento e raios */
  --raio:    14px;
  --raio-sm: 10px;
  --sombra:    0 10px 30px rgba(11, 23, 54, 0.08);
  --sombra-lg: 0 20px 50px rgba(11, 23, 54, 0.14);

  --container: 1160px;
  --secao-y: clamp(3.5rem, 7vw, 6rem);
}

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

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

body {
  font-family: var(--fonte);
  color: var(--texto);
  background: var(--branco);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  color: var(--texto-forte);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
}

ul { list-style: none; padding: 0; }

:focus-visible {
  outline: 3px solid var(--turquesa);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --------------------------- Layout helpers ------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2rem);
}

.secao { padding-block: var(--secao-y); }
.secao--clara { background: var(--cinza-claro); }
.secao--escura { background: var(--azul-escuro); color: #C7D2E5; }
.secao--escura h2, .secao--escura h3 { color: var(--branco); }

.secao__topo { max-width: 720px; margin-bottom: 2.8rem; }
.secao__topo--centro { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 0.7rem;
}
.secao--escura .eyebrow { color: var(--turquesa); }

h2.titulo { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.22rem; }

.lead { font-size: clamp(1rem, 1.6vw, 1.15rem); }

/* ------------------------------ Botões ----------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn svg { width: 1.15em; height: 1.15em; }

.btn--primario { background: var(--azul); color: var(--branco); box-shadow: 0 8px 20px rgba(21,101,216,.28); }
.btn--primario:hover { background: var(--azul-hover); color: var(--branco); }

.btn--whats { background: #25D366; color: #06351b; }
.btn--whats:hover { background: #1ebe5a; color: #06351b; }

.btn--contorno { background: transparent; color: var(--azul); border-color: var(--azul); }
.btn--contorno:hover { background: var(--azul); color: var(--branco); }

.btn--contorno-claro { background: transparent; color: var(--branco); border-color: rgba(255,255,255,.5); }
.btn--contorno-claro:hover { background: rgba(255,255,255,.12); color: var(--branco); }

.btn--bloco { width: 100%; justify-content: center; }

/* ------------------------------ Header ----------------------------------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--azul); color: #fff; padding: .7rem 1.1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borda);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 72px;
}
.header__logo img { height: 38px; width: auto; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__list { display: flex; gap: 1.6rem; }
.nav__list a {
  color: var(--texto-forte); font-weight: 500; font-size: 0.97rem;
  padding: .35rem 0; position: relative;
}
.nav__list a:hover { color: var(--azul); text-decoration: none; }
.nav__list a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--azul); transition: width .2s ease;
}
.nav__list a:hover::after { width: 100%; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: .4rem;
  width: 44px; height: 44px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--texto-forte);
  margin: 5px auto; transition: .25s; border-radius: 2px;
}

/* ------------------------------- Hero ------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(21,101,216,.35), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(24,182,164,.18), transparent 55%),
    var(--azul-escuro);
  color: #C7D2E5;
}
.hero__grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding-block: clamp(3.5rem, 8vw, 6.5rem);
}
.hero h1 {
  color: var(--branco); font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: 1.2rem;
}
.hero h1 .destaque { color: var(--turquesa); }
.hero p { font-size: clamp(1.02rem, 1.8vw, 1.2rem); max-width: 44ch; margin-bottom: 1.2rem; }
.hero__acoes { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }
.hero__selos { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2.2rem; font-size: .9rem; }
.hero__selos li { display: flex; align-items: center; gap: .5rem; }
.hero__selos svg { width: 1.1rem; height: 1.1rem; color: var(--turquesa); flex: none; }

/* Visual de conexão (hero) */
.hero__visual { position: relative; }
.conexao {
  background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px; padding: 1.6rem; box-shadow: var(--sombra-lg);
  backdrop-filter: blur(4px);
}
.conexao__hub {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; align-items: center;
}
.conexao__hub .canal, .conexao__hub .nucleo {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4rem;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px; padding: .9rem .5rem; text-align: center; font-size: .72rem; color: #AEBBD2;
}
.conexao__hub .nucleo {
  background: linear-gradient(150deg, var(--azul), #2a7bff);
  border: none; color: #fff; font-weight: 700; font-size: .85rem; gap: .3rem;
  box-shadow: 0 10px 24px rgba(21,101,216,.5);
}
.conexao__hub .nucleo svg { width: 1.8rem; height: 1.8rem; }
.conexao .canal svg { width: 1.5rem; height: 1.5rem; color: var(--turquesa); }
.conexao__barra { margin-top: 1.1rem; display: flex; align-items: center; gap: .6rem; font-size: .78rem; color: #AEBBD2; }
.pulso { width: 9px; height: 9px; border-radius: 50%; background: var(--turquesa); box-shadow: 0 0 0 0 rgba(24,182,164,.6); animation: pulso 2s infinite; flex: none; }
@keyframes pulso { 0% { box-shadow: 0 0 0 0 rgba(24,182,164,.55);} 70% { box-shadow: 0 0 0 10px rgba(24,182,164,0);} 100% { box-shadow: 0 0 0 0 rgba(24,182,164,0);} }

/* --------------------------- Faixa de problemas -------------------------- */
.problemas__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; margin-top: 2.2rem;
}
.problema {
  background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 1.4rem; display: flex; gap: .9rem; align-items: flex-start;
}
.problema svg { width: 1.6rem; height: 1.6rem; color: var(--azul); flex: none; }
.problema p { font-size: .96rem; margin: 0; }

/* ------------------------------ Cards genéricos -------------------------- */
.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.5rem;
}
.card {
  background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 1.8rem; box-shadow: var(--sombra); transition: transform .2s ease, box-shadow .2s ease;
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra-lg); }
.card__icone {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: var(--cinza-zip); color: var(--azul); margin-bottom: 1.1rem;
}
.card__icone svg { width: 1.6rem; height: 1.6rem; }
.card h3 { margin-bottom: .6rem; }
.card p { font-size: .96rem; margin-bottom: 1rem; }
.card ul.mini { display: grid; gap: .45rem; }
.card ul.mini li { font-size: .9rem; padding-left: 1.3rem; position: relative; }
.card ul.mini li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 50%; background: var(--turquesa); }

/* ------------------------------- ZipChat --------------------------------- */
.zip {
  background: var(--cinza-zip);
  border: 1px solid #D5E4FF; border-radius: 24px; overflow: hidden;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center; padding: clamp(1.8rem, 4vw, 3rem);
}
.zip__marca { display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem; }
.zip__logo {
  font-weight: 800; font-size: 1.35rem; color: var(--azul-escuro); letter-spacing: -.02em;
  display: inline-flex; align-items: center; gap: .5rem;
}
.zip__logo .marca-icone { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(150deg, var(--azul), var(--turquesa)); display: grid; place-items: center; color: #fff; }
.zip__logo .marca-icone svg { width: 1.3rem; height: 1.3rem; }
.tag {
  display: inline-flex; align-items: center; gap: .4rem; font-size: .74rem; font-weight: 700;
  background: var(--turquesa); color: #06352f; padding: .3rem .7rem; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .04em;
}
.zip h2 { font-size: clamp(1.6rem, 3.3vw, 2.2rem); margin-bottom: .8rem; }
.zip__recursos { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem .9rem; margin: 1.4rem 0; }
.zip__recursos li { font-size: .92rem; padding-left: 1.6rem; position: relative; }
.zip__recursos li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--turquesa); font-weight: 800;
}
.zip__nota {
  font-size: .82rem; background: rgba(21,101,216,.08); border-left: 3px solid var(--azul);
  padding: .7rem .9rem; border-radius: 0 8px 8px 0; margin-bottom: 1.4rem;
}
.zip__acoes { display: flex; flex-wrap: wrap; gap: .8rem; }

/* Mock de tela do ZipChat */
.zip__mock {
  background: #fff; border: 1px solid #D5E4FF; border-radius: 18px; box-shadow: var(--sombra-lg);
  overflow: hidden;
}
.zip__mock-top { background: var(--azul-escuro); padding: .8rem 1rem; display: flex; align-items: center; gap: .5rem; }
.zip__mock-top .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.3); }
.zip__mock-top span { color: #fff; font-size: .8rem; margin-left: auto; opacity: .8; }
.zip__mock-body { display: grid; grid-template-columns: 90px 1fr; min-height: 230px; }
.zip__mock-side { background: var(--cinza-claro); border-right: 1px solid var(--borda); padding: .8rem .5rem; display: grid; gap: .5rem; align-content: start; }
.zip__mock-side .av { height: 34px; border-radius: 8px; background: #fff; border: 1px solid var(--borda); display: flex; align-items: center; padding: 0 .4rem; gap: .35rem; }
.zip__mock-side .av i { width: 10px; height: 10px; border-radius: 50%; background: var(--turquesa); }
.zip__mock-chat { padding: 1rem; display: grid; gap: .6rem; align-content: end; background: linear-gradient(0deg,#fff, #f9fbff); }
.bolha { max-width: 72%; padding: .55rem .8rem; border-radius: 14px; font-size: .82rem; line-height: 1.4; }
.bolha--in { background: var(--cinza-claro); border: 1px solid var(--borda); justify-self: start; border-bottom-left-radius: 4px; color: var(--texto-forte); }
.bolha--out { background: var(--azul); color: #fff; justify-self: end; border-bottom-right-radius: 4px; }

/* ------------------------------ Processo --------------------------------- */
.processo__lista { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.3rem; margin-top: 2.4rem; counter-reset: passo; }
.passo { position: relative; padding-top: .5rem; }
.passo__num {
  width: 44px; height: 44px; border-radius: 12px; background: var(--azul); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; margin-bottom: .9rem;
}
.passo h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.passo p { font-size: .9rem; margin: 0; }

/* ------------------------------ Diferenciais ----------------------------- */
.dif { display: flex; gap: 1rem; align-items: flex-start; }
.dif svg { width: 1.7rem; height: 1.7rem; color: var(--turquesa); flex: none; margin-top: .15rem; }
.dif h3 { font-size: 1.08rem; margin-bottom: .35rem; }
.dif p { font-size: .94rem; margin: 0; }

/* ------------------------------- Sobre / Tech ---------------------------- */
.sobre__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.sobre p + p { margin-top: 1rem; }
.tech { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
.tech li {
  font-size: .85rem; font-weight: 600; color: var(--azul-escuro);
  background: var(--cinza-claro); border: 1px solid var(--borda);
  padding: .45rem .9rem; border-radius: 999px;
}
.secao--escura .tech li { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); color: #fff; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat { background: var(--cinza-claro); border: 1px solid var(--borda); border-radius: var(--raio); padding: 1.4rem; }
.stat b { display: block; font-size: 1.9rem; color: var(--azul); line-height: 1; margin-bottom: .4rem; }
.stat span { font-size: .88rem; }

/* ------------------------------- CTA final ------------------------------- */
.cta-final {
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(24,182,164,.25), transparent 60%),
    linear-gradient(120deg, var(--azul-escuro), #122a63);
  border-radius: 26px; text-align: center; color: #C7D2E5;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.2rem, 5vw, 3rem);
}
.cta-final h2 { color: #fff; font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; max-width: 22ch; margin-inline: auto; }
.cta-final p { max-width: 52ch; margin: 0 auto 1.8rem; }
.cta-final .hero__acoes { justify-content: center; }

/* ------------------------------- Contato --------------------------------- */
.contato__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,3.5rem); }
.contato__item { display: flex; gap: .9rem; align-items: flex-start; margin-bottom: 1.3rem; }
.contato__item svg { width: 1.4rem; height: 1.4rem; color: var(--azul); flex: none; margin-top: .2rem; }
.contato__item b { color: var(--texto-forte); display: block; font-size: .95rem; }
.contato__item a, .contato__item span { font-size: .98rem; }

.form { display: grid; gap: 1rem; }
.form label { font-size: .88rem; font-weight: 600; color: var(--texto-forte); display: block; margin-bottom: .35rem; }
.form input, .form textarea {
  width: 100%; font: inherit; font-size: .95rem; padding: .8rem 1rem;
  border: 1px solid var(--borda); border-radius: var(--raio-sm); background: var(--branco); color: var(--texto-forte);
}
.form input:focus, .form textarea:focus { border-color: var(--azul); outline: none; box-shadow: 0 0 0 3px rgba(21,101,216,.15); }
.form textarea { resize: vertical; min-height: 120px; }
.form__nota { font-size: .82rem; }

/* ------------------------------- Rodapé ---------------------------------- */
.footer { background: var(--azul-escuro); color: #AEBBD2; padding-block: 3.5rem 1.5rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.footer__logo { background:#fff; padding:.5rem .7rem; border-radius:10px; display:inline-block; margin-bottom: 1rem; }
.footer__logo img { height: 34px; }
.footer p { font-size: .92rem; max-width: 38ch; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: .05em; }
.footer ul { display: grid; gap: .6rem; }
.footer a { color: #AEBBD2; font-size: .93rem; }
.footer a:hover { color: #fff; }
.footer__base {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; justify-content: space-between; font-size: .85rem;
}

/* --------------------------- WhatsApp flutuante -------------------------- */
.whats-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366;
  display: grid; place-items: center; box-shadow: 0 10px 25px rgba(37,211,102,.45);
  color: #fff; transition: transform .2s ease;
}
.whats-float:hover { transform: scale(1.08); text-decoration: none; }
.whats-float svg { width: 30px; height: 30px; }
.whats-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: pulso-whats 2.2s infinite;
}
@keyframes pulso-whats { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.45);} 70%{box-shadow:0 0 0 16px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }

/* ------------------------- Páginas de conteúdo --------------------------- */
.conteudo { padding-block: clamp(2.5rem, 6vw, 4rem); max-width: 820px; }
.conteudo h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 1.2rem; }
.conteudo h2 { font-size: 1.3rem; margin: 2rem 0 .7rem; color: var(--azul-escuro); }
.conteudo p, .conteudo li { font-size: 1rem; }
.conteudo p { margin-bottom: 1rem; }
.conteudo ul { list-style: disc; padding-left: 1.4rem; margin-bottom: 1rem; display: grid; gap: .4rem; }
.conteudo a { text-decoration: underline; }
.voltar { display: inline-flex; align-items: center; gap: .4rem; margin-bottom: 1.5rem; font-weight: 600; }

/* ------------------------------ Animação --------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ------------------------------ Responsivo ------------------------------- */
@media (max-width: 920px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 460px; }
  .zip { grid-template-columns: 1fr; }
  .sobre__grid { grid-template-columns: 1fr; }
  .contato__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__list, .nav .btn { display: none; }
  .nav-toggle { display: block; }
  .nav.is-open { position: absolute; left: 0; right: 0; top: 100%; }
  .nav.is-open .nav__list {
    display: flex; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--borda); box-shadow: var(--sombra-lg);
    padding: .5rem 0;
  }
  .nav.is-open .nav__list a { padding: .9rem 1.5rem; width: 100%; }
  .nav.is-open .nav__list a::after { display: none; }
  .nav.is-open .btn { display: inline-flex; margin: .8rem 1.5rem 1rem; }
  .nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-active span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .zip__recursos { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}