/* ============================================================
   SOSTER CELL TECH — Design System
   Paleta: preto técnico + verde placa-de-circuito (herdado da logo)
   Tipografia: Oswald (display condensada) + Inter (leitura) + JetBrains Mono (dados/status)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  /* cor */
  --black:      #0a0d0b;
  --black-2:    #10140f;
  --card:       #141914;
  --card-line:  #232b23;
  --green:      #3fe86a;
  --green-2:    #23c95a;
  --green-dim:  #1c4a2c;
  --paper:      #f4f6f1;
  --ink:        #eef1ec;
  --muted:      #93a196;
  --muted-2:    #5c6a5f;
  --red:        #ff5c5c;

  /* tipografia */
  --f-display: 'Oswald', sans-serif;
  --f-body:    'Inter', sans-serif;
  --f-mono:    'JetBrains Mono', monospace;

  /* layout */
  --maxw: 480px;
  --pad: 20px;
  --radius: 14px;
  --radius-sm: 8px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--black);
  color:var(--ink);
  font-family:var(--f-body);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  padding-bottom:76px; /* espaço pra barra fixa do whatsapp */
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family:var(--f-display); font-weight:600; text-transform:uppercase; letter-spacing:.01em; margin:0; }
p{ margin:0; }

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

/* ---------- reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ---------- marquee (faixa rolante) ---------- */
.marquee{
  border-top:1px solid var(--card-line);
  border-bottom:1px solid var(--card-line);
  background:var(--black-2);
  overflow:hidden;
  white-space:nowrap;
  padding:9px 0;
}
.marquee-track{
  display:inline-flex;
  gap:28px;
  animation:marquee-scroll 22s linear infinite;
  will-change:transform;
}
.marquee span{
  font-family:var(--f-mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted-2);
  display:inline-flex; align-items:center; gap:28px;
}
.marquee span em{ font-style:normal; color:var(--green); }
@keyframes marquee-scroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .marquee-track{ animation:none; }
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(10,13,11,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--card-line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:60px;
}
.brand{ display:flex; align-items:center; gap:9px; }
.brand-mark{
  width:34px; height:34px;
  display:flex; align-items:center; justify-content:center;
  flex:none;
}
.brand-mark img{ width:100%; height:100%; object-fit:contain; }
.brand-name{
  font-family:var(--f-display);
  font-size:15px; letter-spacing:.03em;
  line-height:1.05;
  text-transform:uppercase;
}
.brand-name span{ display:block; font-family:var(--f-mono); font-size:9px; color:var(--green); letter-spacing:.14em; text-transform:uppercase; margin-top:1px; }

.header-actions{ display:flex; align-items:center; gap:8px; }

.header-call{
  width:36px; height:36px; border-radius:50%;
  border:1px solid var(--card-line);
  display:flex; align-items:center; justify-content:center;
  flex:none;
}
.header-call svg{ width:16px; height:16px; fill:var(--green); }

/* nav mobile: menu compacto abaixo do header em telas pequenas */
.mobile-nav{
  display:flex; align-items:center; gap:22px;
  padding:13px var(--pad);
  border-bottom:1px solid var(--card-line);
}
.mobile-nav a{
  display:inline-flex; align-items:center;
  line-height:1;
  font-family:var(--f-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--muted-2);
  padding-bottom:3px;
  border-bottom:2px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
.mobile-nav a[aria-current="page"]{ color:var(--green); border-bottom-color:var(--green); }

/* ---------- botão whatsapp fixo ---------- */
.wa-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:50;
  background:var(--black-2);
  border-top:1px solid var(--card-line);
  padding:10px var(--pad) calc(10px + env(safe-area-inset-bottom));
}
.wa-bar .wrap{ padding:0; }
.btn-wa{
  display:flex; align-items:center; justify-content:center; gap:9px;
  background:var(--green);
  color:#06210f;
  font-family:var(--f-display);
  font-size:15px; letter-spacing:.03em; text-transform:uppercase;
  padding:14px 16px;
  border-radius:10px;
  width:100%;
  border:0;
  box-shadow:0 0 0 0 rgba(63,232,106,.5);
  animation:wa-pulse 2.6s ease-out infinite;
}
@keyframes wa-pulse{
  0%{ box-shadow:0 0 0 0 rgba(63,232,106,.45); }
  70%{ box-shadow:0 0 0 10px rgba(63,232,106,0); }
  100%{ box-shadow:0 0 0 0 rgba(63,232,106,0); }
}
@media (prefers-reduced-motion: reduce){ .btn-wa{ animation:none; } }
.btn-wa svg{ width:19px; height:19px; }

/* ---------- botões genéricos ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--f-display); text-transform:uppercase; letter-spacing:.02em;
  font-size:14px;
  padding:14px 18px;
  border-radius:10px;
  border:1px solid var(--card-line);
  background:var(--card);
  color:var(--ink);
}
.btn-primary{ background:var(--green); color:#06210f; border-color:var(--green); }
.btn-row{ display:flex; gap:10px; }
.btn-row .btn{ flex:1; }

/* ---------- eyebrow / badges ---------- */
.kicker{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--muted-2);
  margin-bottom:12px;
}
.kicker strong{ color:var(--green); font-weight:500; }

/* ---------- hero ---------- */
.hero{ padding:34px 0 30px; }
.hero h1{ font-size:34px; line-height:1.06; margin:14px 0 12px; }
.hero h1 em{ font-style:normal; color:var(--green); }
.hero .lede{ color:var(--muted); font-size:15.5px; max-width:38ch; }
.hero-meta{ margin-top:18px; display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  font-family:var(--f-mono); font-size:11px; color:var(--muted);
  border:1px solid var(--card-line); border-radius:100px; padding:6px 10px;
}
.chip strong{ color:var(--ink); font-weight:600; }

/* ---------- seletor de sistema (ios/android) ---------- */
.os-select{ margin-top:22px; }
.os-select .label{ font-family:var(--f-mono); font-size:11px; color:var(--muted-2); text-transform:uppercase; letter-spacing:.1em; margin-bottom:9px; display:block; }
.os-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.os-card{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:16px 14px; display:flex; flex-direction:column; gap:10px; align-items:flex-start;
  transition:border-color .2s ease, transform .15s ease, background .2s ease;
}
.os-card:active{ transform:scale(.97); }
.os-card svg{ width:24px; height:24px; stroke:var(--green); transition:transform .3s ease; }
.os-card .name{ font-family:var(--f-display); font-size:15px; text-transform:uppercase; }
.os-card .sub{ font-size:12px; color:var(--muted); }
.os-card:hover{ border-color:var(--green-dim); transform:translateY(-2px); background:#171d17; }
.os-card:hover svg{ transform:scale(1.08) rotate(-3deg); }

/* ---------- signature: diagnostic card ---------- */
.diag{
  margin-top:26px;
  background:linear-gradient(180deg,var(--card),var(--black-2));
  border:1px solid var(--card-line);
  border-radius:18px;
  padding:20px;
  overflow:hidden;
  position:relative;
}
.diag-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.diag-label{ font-family:var(--f-mono); font-size:11px; letter-spacing:.09em; color:var(--muted-2); text-transform:uppercase; }
.diag-status{ font-family:var(--f-mono); font-size:11px; letter-spacing:.05em; padding:4px 9px; border-radius:100px; border:1px solid var(--card-line); color:var(--muted); transition:all .5s ease; }
.diag.is-fixed .diag-status{ color:var(--green); border-color:var(--green-dim); background:rgba(63,232,106,.08); }

.phone-scene{ display:flex; align-items:center; justify-content:center; padding:10px 0 4px; }
.phone-svg{ width:118px; }
.crack{ transition:opacity 1.1s ease .15s; opacity:1; }
.diag.is-fixed .crack{ opacity:0; }
.screen-fill{ fill:#1a231c; transition:fill 1s ease; }
.diag.is-fixed .screen-fill{ fill:#123320; }
.spark{ opacity:0; transition:opacity .4s ease; }
.diag.is-fixed .spark{ opacity:1; }

.batt-scene{ display:flex; flex-direction:column; align-items:center; gap:10px; padding:6px 0 2px; }
.batt-num{ font-family:var(--f-mono); font-size:28px; color:var(--red); transition:color .8s ease; }
.diag.is-fixed .batt-num{ color:var(--green); }
.batt-shell{ width:150px; height:56px; border:2px solid var(--muted-2); border-radius:8px; position:relative; padding:4px; transition:border-color .8s ease; }
.diag.is-fixed .batt-shell{ border-color:var(--green-dim); }
.batt-shell::after{ content:''; position:absolute; right:-7px; top:18px; width:5px; height:20px; background:var(--muted-2); border-radius:0 3px 3px 0; }
.batt-fill{ height:100%; width:14%; background:var(--red); border-radius:3px; transition:width 1.1s ease .1s, background 1.1s ease .1s; }
.diag.is-fixed .batt-fill{ width:100%; background:var(--green); }

.diag-caption{ margin-top:16px; font-size:12.5px; color:var(--muted); text-align:center; }

/* ---------- checklist terminal (index) ---------- */
.term{
  margin-top:24px;
  background:var(--black-2); border:1px solid var(--card-line); border-radius:14px;
  padding:16px 18px; font-family:var(--f-mono); font-size:12.5px;
}
.term-row{ display:flex; justify-content:space-between; padding:7px 0; border-bottom:1px dashed var(--card-line); color:var(--muted); }
.term-row:last-child{ border-bottom:0; }
.term-row .ok{ color:var(--green); }

/* ---------- seções ---------- */
section{ padding:30px 0; }
.section-title{ font-size:22px; margin-bottom:6px; }
.section-sub{ color:var(--muted); font-size:14px; margin-bottom:20px; max-width:38ch; }

/* passos */
.steps{ display:flex; flex-direction:column; gap:0; }
.step{ display:flex; gap:14px; padding:16px 0; border-top:1px solid var(--card-line); }
.step:first-child{ border-top:0; }
.step-n{ font-family:var(--f-mono); color:var(--green); font-size:13px; flex:none; padding-top:2px; }
.step-t{ font-family:var(--f-display); font-size:15px; text-transform:uppercase; margin-bottom:3px; }
.step-d{ color:var(--muted); font-size:13.5px; }

/* cartões de confiança */
.trust-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.trust-card{ background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius); padding:15px; transition:border-color .2s ease, transform .2s ease; }
.trust-card:hover{ border-color:var(--green-dim); transform:translateY(-2px); }
.trust-card svg{ width:20px; height:20px; stroke:var(--green); margin-bottom:10px; }
.trust-card .t{ font-family:var(--f-display); font-size:13.5px; text-transform:uppercase; margin-bottom:4px; }
.trust-card .d{ font-size:12px; color:var(--muted); line-height:1.45; }

/* serviços (index) */
.svc-list{ display:flex; flex-direction:column; gap:10px; }
.svc-card{
  display:flex; align-items:center; gap:14px;
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:15px; transition:border-color .2s ease;
}
.svc-card:hover{ border-color:var(--green-dim); transform:translateX(3px); }
.svc-card{ transition:border-color .2s ease, transform .2s ease; }
.svc-arrow{ transition:transform .2s ease; }
.svc-card:hover .svc-arrow{ transform:translateX(3px); color:var(--green); }
.svc-ic{ width:42px; height:42px; border-radius:10px; background:var(--green-dim); display:flex; align-items:center; justify-content:center; flex:none; }
.svc-ic svg{ width:20px; height:20px; stroke:var(--green); }
.svc-txt .t{ font-family:var(--f-display); font-size:15px; text-transform:uppercase; }
.svc-txt .d{ font-size:12.5px; color:var(--muted); margin-top:2px; }
.svc-arrow{ margin-left:auto; color:var(--muted-2); }

/* local / mapa */
.local-card{
  background:var(--card); border:1px solid var(--card-line); border-radius:16px; overflow:hidden;
}
.local-photo{ aspect-ratio:16/10; overflow:hidden; }
.local-photo img{ width:100%; height:100%; object-fit:cover; }
.local-body{ padding:18px; }
.local-addr{ font-family:var(--f-display); font-size:16px; text-transform:uppercase; margin-bottom:4px; }
.local-city{ color:var(--green); font-family:var(--f-mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; margin-bottom:12px; }
.local-row{ display:flex; justify-content:space-between; padding:9px 0; border-top:1px solid var(--card-line); font-size:13px; }
.local-row .k{ color:var(--muted); }
.delivery-note{
  margin-top:14px; display:flex; gap:10px; align-items:flex-start;
  background:rgba(63,232,106,.06); border:1px solid var(--green-dim); border-radius:10px; padding:12px;
}
.delivery-note svg{ width:18px; height:18px; stroke:var(--green); flex:none; margin-top:1px; }
.delivery-note p{ font-size:12.5px; color:var(--muted); }
.delivery-note strong{ color:var(--ink); }

/* galeria interna */
.gallery{ border-radius:16px; overflow:hidden; border:1px solid var(--card-line); }
.gallery img{ width:100%; }

/* footer */
footer{ padding:28px 0 40px; border-top:1px solid var(--card-line); margin-top:10px; }
.foot-brand{ font-family:var(--f-display); font-size:15px; text-transform:uppercase; margin-bottom:6px; }
.foot-line{ color:var(--muted-2); font-size:12px; margin-bottom:2px; }
.foot-nav{ display:flex; gap:16px; margin-top:16px; }
.foot-nav a{ font-size:12.5px; color:var(--muted); border-bottom:1px solid var(--card-line); padding-bottom:2px; }

/* util */
.mt-0{ margin-top:0 !important; }
.center{ text-align:center; }

/* desktop: mantém a leitura confortável, sem virar layout desktop-first */
@media (min-width:640px){
  .hero h1{ font-size:40px; }
  .trust-grid{ grid-template-columns:repeat(3,1fr); }
}