:root{
  --bg-main:#FFFFFF;
  --bg-section:#F5F5F7;

  --text-main:#111111;
  --text-muted:#6B7280;

  --border-color:#E5E7EB;

  --primary:#0A84FF;
  --primary-hover:#0066CC;

  --dark-main:#0B0B0D;
}

/* ===== Reset ===== */
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
}
a{ color:inherit; text-decoration:none; }
.hidden{ display:none !important; }

/* ===== Layout ===== */
.container{
  max-width:1100px;
  margin:0 auto;
  padding:24px;
}

/* ===== Header / Nav ===== */
.header{
  position: sticky;
  top:0;
  z-index:20;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border-color);
}
.header__content{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand__name{
  font-weight:900;
  letter-spacing:.14em;
  font-size:12px;
}
.nav{
  display:flex;
  gap:18px;
}
.nav a{
  font-size:14px;
  font-weight:700;
  color:var(--text-muted);
  padding:10px 12px;
  border-radius:12px;
  transition:background .18s ease, color .18s ease, transform .18s ease;
}
.nav a:hover{
  background:var(--bg-section);
  color:var(--text-main);
  transform:translateY(-1px);
}
.nav a.active{
  background:var(--bg-section);
  color:var(--text-main);
}

/* ===== WhatsApp FAB ===== */
.fab{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  width:56px;
  height:56px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--primary);
  color:#fff;
  font-size:24px;
  box-shadow:0 14px 28px rgba(10,132,255,.22);
  transition:transform .18s ease, background .18s ease;
}
.fab:hover{
  background:var(--primary-hover);
  transform:translateY(-2px);
}

/* ===== Typography ===== */
.h1{ margin:0; font-size:40px; letter-spacing:-.03em; }
.h2{ margin:0 0 8px; font-size:26px; letter-spacing:-.02em; }
.h3{ margin:0 0 6px; font-size:16px; font-weight:900; }
.sub{ margin:6px 0 0; color:var(--text-muted); line-height:1.6; }

/* ===== Pills ===== */
.pill{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border-color);
  background:#fff;
  color:var(--text-muted);
  font-size:13px;
  font-weight:800;
}

/* ===== Hero ===== */
.hero--about{
  margin-top:16px;
}
.hero--about .sub{
  max-width:520px;
}

/* ===== Cards ===== */
.card{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:20px;
}
.cardPad{ padding:16px; }

/* ===== Typing block ===== */
.aboutTyping{
  margin-top:16px;
  padding:16px;
  border-radius:20px;
  border:1px solid var(--border-color);
  background:linear-gradient(180deg, #fff, var(--bg-section));
}
.typingHeader{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.typingLabel{
  font-weight:900;
  font-size:13px;
  color:var(--text-muted);
}
.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background:var(--primary);
}
.typingText{
  margin:0;
  font-size:15px;
  line-height:1.7;
  white-space:pre-wrap;
}
.typingCursor{
  display:inline-block;
  width:10px;
  height:18px;
  background:rgba(17,17,17,.9);
  margin-left:3px;
  border-radius:2px;
  animation:blink 1s step-end infinite;
}
@keyframes blink{
  0%,50%{ opacity:1; }
  51%,100%{ opacity:0; }
}

/* ===== Sections ===== */
.section{
  padding:36px 0;
}
.section--alt{
  background:var(--bg-section);
  border-top:1px solid var(--border-color);
  border-bottom:1px solid var(--border-color);
}

/* ===== Cards grid ===== */
.cards3{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

/* ===== Steps ===== */
.steps{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.step{
  background:#fff;
  border:1px solid var(--border-color);
  border-radius:20px;
  padding:16px;
  display:flex;
  gap:12px;
}
.step__n{
  width:36px;
  height:36px;
  border-radius:12px;
  background:rgba(10,132,255,.12);
  border:1px solid rgba(10,132,255,.25);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:1000;
  color:#0b3a7a;
}

/* ===== CTA ===== */
.cta{
  padding:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

/* ===== Buttons ===== */
.btn{
  border:1px solid transparent;
  background:var(--primary);
  color:#fff;
  padding:12px 16px;
  border-radius:14px;
  font-weight:900;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover{
  background:var(--primary-hover);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(10,132,255,.22);
}

/* ===== Footer ===== */
.footer{
  background:var(--dark-main);
  color:#fff;
  padding:26px 0;
}
.footer__content{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
}
.footer__brand{
  font-weight:900;
  letter-spacing:.14em;
  font-size:12px;
}
.footer__muted{
  margin-top:8px;
  color:rgba(255,255,255,.75);
}
.footer__links a{
  color:rgba(255,255,255,.85);
  margin-left:16px;
}
.footer__links a:hover{ color:#fff; }

/* ===== Reveal degradé ===== */
.reveal{
  opacity:0;
  transform:translateY(18px);
  filter:blur(8px);
  -webkit-mask-image:linear-gradient(to top, transparent 0%, black 50%);
  mask-image:linear-gradient(to top, transparent 0%, black 50%);
  -webkit-mask-size:100% 120%;
  mask-size:100% 120%;
  -webkit-mask-position:0 100%;
  mask-position:0 100%;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
  filter:blur(0);
  -webkit-mask-position:0 0;
  mask-position:0 0;
  transition:
    opacity .65s ease,
    transform .65s ease,
    filter .65s ease,
    -webkit-mask-position .85s ease,
    mask-position .85s ease;
}

/* ===== Responsive ===== */
@media (max-width:900px){
  .cards3, .steps{
    grid-template-columns:1fr;
  }
  .cta{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width:600px){
  .nav{ display:none; }
  .h1{ font-size:32px; }
}