:root{
  --bg: #0b0f16;
  --bg2:#0f1624;
  --card:#121b2c;
  --stroke: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.88);
  --muted: rgba(255,255,255,.65);
  --accent:#7dd3fc;     /* azul claro */
  --accent2:#a78bfa;    /* roxo suave */
  --good:#34d399;       /* verde */
  --shadow: 0 18px 60px rgba(0,0,0,.45);

  --radius: 18px;
  --radius2: 26px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(125,211,252,.16), transparent 55%),
              radial-gradient(1200px 600px at 90% 0%, rgba(167,139,250,.14), transparent 60%),
              linear-gradient(180deg, var(--bg), #070a10 70%);
  color: var(--text);
}

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

.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(7,10,16,.65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stroke);
}

.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .2px;
}
.brand__dot{
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(125,211,252,.10);
}
.brand__name{ font-size: 16px; }
.brand__muted{ color: var(--muted); font-weight: 700; }

.nav{
  display:flex;
  align-items:center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.nav a{
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
  letter-spacing:.2px;
}
.nav a:hover{ color: var(--text); text-decoration:none; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(125,211,252,.35);
  background: linear-gradient(135deg, rgba(125,211,252,.18), rgba(167,139,250,.14));
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  font-weight: 750;
  letter-spacing:.2px;
  text-decoration:none !important;
}
.btn:hover{
  filter: brightness(1.05);
  transform: translateY(-1px);
}
.btn--ghost{
  border-color: rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
}
.btn--small{
  padding: 10px 14px;
  font-size: 14px;
}

/* HERO */
.hero{
  padding: 56px 0 30px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: start;
}
.kicker{
  display:inline-block;
  font-size: 13px;
  letter-spacing:.35px;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,.14);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  margin: 0 0 16px;
}
h1{
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.06;
  margin: 0 0 14px;
  letter-spacing: -.6px;
}
.accent{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
.hero-cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 18px;
}
.hero-badges{
  list-style:none;
  padding:0;
  margin: 0 0 18px;
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges li{
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(52,211,153,.10);
  border: 1px solid rgba(52,211,153,.25);
  color: rgba(255,255,255,.82);
  font-size: 13px;
  font-weight: 700;
}

.mini-card{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 14px 14px;
}
.mini-card__title{
  margin: 0 0 8px;
  font-weight: 800;
}
.mini-card__line{
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

/* Photos */
.hero-visual{
  position: relative;
}
.photo-stack{
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-radius: var(--radius2);
  padding: 14px;
  box-shadow: var(--shadow);
}
.photo{
  margin:0;
  border-radius: 16px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.photo img{
  width:100%;
  height: auto;
  display:block;
  object-fit: cover;
}
.photo figcaption{
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,.10);
}
.photo--main img{
  aspect-ratio: 4 / 4;
}
.photo-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.photo-row .photo img{
  aspect-ratio: 1 / 1;
}

/* Sections */
.section{
  padding: 46px 0;
}
.section--alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
h2{
  margin: 0 0 18px;
  font-size: 26px;
  letter-spacing: -.35px;
}
h3{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -.2px;
}
p{ margin: 0 0 10px; }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.card{
  border: 1px solid var(--stroke);
  background: rgba(18,27,44,.72);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 10px 34px rgba(0,0,0,.20);
}
.card p{ color: var(--muted); line-height: 1.6; }
.card--wide{
  margin-top: 14px;
  padding: 18px;
}

.callout{
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(125,211,252,.22);
  background: rgba(125,211,252,.08);
}
.callout p{ margin:0; color: rgba(255,255,255,.82); }

.note{
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.note p{ margin:0; color: var(--muted); }

.list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}
.tags{
  list-style:none;
  padding:0;
  margin: 12px 0 0;
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags li{
  font-size: 12px;
  color: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.14);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.check{
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}
.check li{
  position: relative;
  padding-left: 22px;
  margin: 10px 0;
  line-height: 1.55;
}
.check li::before{
  content: "✓";
  position:absolute;
  left:0;
  top:0;
  color: var(--good);
  font-weight: 900;
}

/* Quotes */
.quote{
  margin:0;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 16px;
}
.quote blockquote{
  margin:0 0 10px;
  color: rgba(255,255,255,.82);
  line-height: 1.6;
}
.quote figcaption{
  color: var(--muted);
  font-size: 13px;
}
.fineprint{
  margin-top: 12px;
  color: rgba(255,255,255,.52);
  font-size: 12px;
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  align-items: start;
}
.contact__actions{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

/* Footer */
.footer{
  margin-top: 60px;
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.35);
}

.footer-simple p{
  margin: 0;
  line-height: 1.6;
  color: rgba(255,255,255,.58);
}

.footer-simple p + p{
  margin-top: 14px;
  font-size: 13px;
  opacity: 0.9;
}

/* copyleft invertido */
.copyleft{
  display: inline-block;
  transform: rotate(180deg);
  font-weight: bold;
  margin-right: 6px;
}


/* Responsive */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .nav{ display:none; } /* simples e limpo no mobile */
}


/* Extras: exemplos (casos reais) */
.lead--tight{ margin-bottom: 18px; }

.story h3{ margin-bottom: 8px; }
.story__details{
  margin-top: 10px;
  border-top: 1px solid rgba(255,255,255,.10);
  padding-top: 10px;
}
.story__details summary{
  cursor: pointer;
  color: rgba(255,255,255,.82);
  font-weight: 750;
  list-style: none;
}
.story__details summary::-webkit-details-marker{ display:none; }
.story__details summary::after{
  content: "  +";
  color: rgba(255,255,255,.55);
  font-weight: 900;
}
.story__details[open] summary::after{ content: "  —"; }
.story__body{ padding-top: 10px; }
.muted{ color: var(--muted); }