/* Grupo Sem Perreco — estilos responsivos */
:root {
  --bg: #0b0b0f;
  --surface: #15151c;
  --surface-2: #20202a;
  --text: #f7f7f8;
  --muted: #b7b7c2;
  --accent: #f5b800;
  --accent-2: #ff6b00;
  --border: rgba(255,255,255,.1);
  --max: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(92%, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(11,11,15,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.navbar { min-height: 76px; display:flex; align-items:center; justify-content:space-between; gap: 30px; }
.brand { display:flex; align-items:center; gap:10px; font-size:1rem; white-space:nowrap; }
.brand strong { color: var(--accent); }
.brand-mark {
  display:grid; place-items:center; width:42px; height:42px; border-radius:50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#111; font-weight:900; font-size:.9rem;
}
.nav-menu { list-style:none; display:flex; align-items:center; gap:24px; }
.nav-menu a { color:var(--muted); font-weight:700; font-size:.94rem; transition:.2s; }
.nav-menu a:hover, .nav-menu a:focus { color:var(--accent); }
.menu-toggle { display:none; background:none; border:0; cursor:pointer; }
.menu-toggle span { display:block; width:26px; height:2px; background:#fff; margin:5px; }

.hero { min-height: 650px; }
.carousel { position:relative; min-height:650px; overflow:hidden; background:#101016; }
.slide {
  position:absolute; inset:0; opacity:0; visibility:hidden; transition:opacity .6s ease;
  display:grid; place-items:center; text-align:center; padding:40px 20px;
  background:
    radial-gradient(circle at 20% 30%, rgba(245,184,0,.35), transparent 28%),
    radial-gradient(circle at 80% 65%, rgba(255,107,0,.25), transparent 30%),
    linear-gradient(135deg,#11111a,#252530);
}
.slide:nth-of-type(2) { background: radial-gradient(circle at 75% 25%, rgba(255,107,0,.4), transparent 28%), linear-gradient(135deg,#17111a,#302018); }
.slide:nth-of-type(3) { background: radial-gradient(circle at 25% 70%, rgba(245,184,0,.35), transparent 30%), linear-gradient(135deg,#101a18,#211d12); }
.slide.active { opacity:1; visibility:visible; }
.slide-content { max-width:850px; }
.eyebrow { color:var(--accent); text-transform:uppercase; letter-spacing:.16em; font-weight:900; font-size:.78rem; margin-bottom:12px; }
h1 { font-size:clamp(2.8rem,7vw,6rem); line-height:1; margin-bottom:20px; }
h2 { font-size:clamp(2rem,4vw,3.2rem); line-height:1.1; margin-bottom:32px; }
h3 { margin-bottom:8px; }
.slide h2 { font-size:clamp(2.4rem,5vw,4.6rem); }
.slide p:not(.eyebrow) { max-width:650px; margin:0 auto 28px; color:#ddd; font-size:1.1rem; }

.btn {
  display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:0 22px;
  border:0; border-radius:999px; background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#111; font-weight:900; cursor:pointer; transition:transform .2s, filter .2s;
}
.btn:hover { transform:translateY(-2px); filter:brightness(1.08); }
.btn-small { min-height:40px; padding:0 16px; font-size:.9rem; }

.carousel-btn {
  position:absolute; top:50%; transform:translateY(-50%); z-index:2;
  width:46px; height:46px; border-radius:50%; border:1px solid var(--border);
  background:rgba(0,0,0,.45); color:#fff; cursor:pointer; font-size:1.5rem;
}
.prev { left:24px; } .next { right:24px; }
.dots { position:absolute; bottom:24px; left:50%; transform:translateX(-50%); display:flex; gap:8px; z-index:3; }
.dot { width:10px; height:10px; border:0; border-radius:50%; background:#888; cursor:pointer; }
.dot.active { background:var(--accent); transform:scale(1.3); }

.section { padding:100px 0; scroll-margin-top:76px; }
.section-alt { background:var(--surface); }
.section-grid, .members, .comments { display:grid; gap:20px; grid-template-columns:repeat(3,1fr); }
.card, .member-card, .comment {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:28px;
}
.section-alt .card, .section-alt .member-card { background:var(--surface-2); }
.card p, .member-card p { color:var(--muted); }
.highlight { border-top:3px solid var(--accent); }
.members { grid-template-columns:repeat(4,1fr); }
.member-card { text-align:center; }
.avatar {
  width:100px; height:100px; margin:0 auto 18px; border-radius:50%;
  display:grid; place-items:center; background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#111; font-weight:900; font-size:1.5rem;
}
.events { display:grid; gap:14px; }
.event {
  display:grid; grid-template-columns:90px 1fr auto; align-items:center; gap:22px;
  padding:20px; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface);
}
.event time { text-align:center; padding:10px; border-radius:14px; background:var(--surface-2); }
.event time strong { display:block; font-size:2rem; line-height:1; color:var(--accent); }
.event time span { font-size:.75rem; font-weight:900; }
.event p { color:var(--muted); }

.contact-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:20px; }
.contact-form { display:grid; gap:10px; }
.contact-form label { font-weight:800; margin-top:4px; }
.contact-form input, .contact-form textarea {
  width:100%; border:1px solid var(--border); border-radius:12px; padding:12px 14px;
  background:#0d0d12; color:#fff; outline:none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color:var(--accent); }
.comments { grid-template-columns:repeat(3,1fr); }
.comment { background:var(--surface); }
.comment p { color:#ddd; margin-bottom:12px; font-size:1.05rem; }
.comment cite { color:var(--accent); font-style:normal; font-weight:800; }

.site-footer { border-top:1px solid var(--border); padding:30px 0; }
.footer-content { display:flex; align-items:center; justify-content:space-between; gap:20px; color:var(--muted); }

@media (max-width: 850px) {
  .menu-toggle { display:block; }
  .nav-menu {
    position:absolute; top:76px; left:0; right:0; display:none; flex-direction:column; align-items:stretch;
    padding:18px 4%; background:rgba(11,11,15,.98); border-bottom:1px solid var(--border);
  }
  .nav-menu.open { display:flex; }
  .nav-menu a { display:block; padding:10px 0; }
  .section-grid, .members, .comments, .contact-grid { grid-template-columns:1fr 1fr; }
  .hero, .carousel { min-height:560px; }
}
@media (max-width: 600px) {
  .navbar { min-height:68px; }
  .brand { font-size:.9rem; }
  .brand-mark { width:38px; height:38px; }
  .hero, .carousel { min-height:520px; }
  .carousel-btn { width:40px; height:40px; }
  .prev { left:12px; } .next { right:12px; }
  .section { padding:72px 0; }
  .section-grid, .members, .comments, .contact-grid { grid-template-columns:1fr; }
  .event { grid-template-columns:70px 1fr; }
  .event .btn { grid-column:1 / -1; width:100%; }
  .footer-content { flex-direction:column; text-align:center; }
}