/* ============================================================
   Projetos de Rafael Braz — design system
   ============================================================ */

:root{
  --bg: #0a0b0f;
  --bg-soft: #101218;
  --surface: #14161d;
  --surface-2: #191c24;
  --border: #23262f;
  --text: #eef0f4;
  --text-dim: #a6acb9;
  --text-faint: #767c8a;
  --accent: #7c8cff;
  --accent-2: #b8c0ff;
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1240px;
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  /* per-project accent defaults (overridden per page via data attr) */
  --p-utm: #ff5d5d;
  --p-bora: #22c3a6;
  --p-pentest: #ff8a3d;
  --p-rio: #ff6b6b;
  --p-hub: #8b7cff;
  --p-multi: #34d17a;
  --p-wpp: #25d366;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family: var(--font-display); line-height:1.15; margin:0 0 .5em; letter-spacing:-0.01em; }
p{ margin:0 0 1em; color: var(--text-dim); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--accent); color:#0a0b0f;
  padding:.6em 1em; z-index:1000; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

.wrap{ max-width: var(--maxw); margin:0 auto; padding:0 24px; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index:200;
  background: rgba(10,11,15,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:24px; }
.brand{ display:flex; flex-direction:column; font-family: var(--font-display); font-weight:700; font-size:1.05rem; white-space:nowrap; }
.brand small{ font-family: var(--font-body); font-weight:400; color: var(--text-faint); font-size:.68rem; letter-spacing:.02em; }
.main-nav{ display:flex; align-items:center; gap:6px; flex:1; justify-content:center; }
.main-nav a{
  color: var(--text-dim); font-size:.92rem; padding:8px 14px; border-radius:999px; white-space:nowrap;
  transition: color .15s, background-color .15s;
}
.main-nav a:hover, .main-nav a:focus-visible{ color:var(--text); background: var(--surface-2); }
.main-nav a.active{ color: var(--text); background: var(--surface-2); }
.header-actions{ display:flex; align-items:center; gap:12px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:11px 20px; border-radius:999px; font-weight:600; font-size:.92rem;
  border:1px solid transparent; cursor:pointer; transition: transform .15s ease, background-color .15s, border-color .15s, color .15s;
  white-space:nowrap;
}
.btn:active{ transform: scale(.97); }
.btn-primary{ background: var(--accent); color:#0a0b12; }
.btn-primary:hover{ background: var(--accent-2); }
.btn-ghost{ background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover{ border-color: var(--text-dim); }
.btn-outline{ background: transparent; color: var(--text); border-color: currentColor; }
.btn-sm{ padding:8px 16px; font-size:.85rem; }
.nav-toggle{ display:none; background:none; border:none; color:var(--text); padding:8px; cursor:pointer; }

@media (max-width: 900px){
  .main-nav{ display:none; }
  .header-actions .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; }
}

/* mobile nav drawer */
.mobile-nav{
  display:none; position:fixed; inset:72px 0 0 0; background: var(--bg); z-index:190;
  padding:24px; overflow-y:auto;
}
.mobile-nav.open{ display:block; }
.mobile-nav a{ display:block; padding:16px 4px; font-size:1.1rem; border-bottom:1px solid var(--border); color:var(--text); }
.mobile-nav .btn{ margin-top:20px; width:100%; }

/* ---------- Hero ---------- */
.hero{ padding:76px 0 48px; border-bottom:1px solid var(--border); background:
  radial-gradient(1200px 480px at 15% -10%, rgba(124,140,255,.16), transparent 60%),
  radial-gradient(900px 420px at 90% 0%, rgba(139,124,255,.10), transparent 55%);
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:.78rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--accent-2); background: rgba(124,140,255,.1); border:1px solid rgba(124,140,255,.25);
  padding:6px 14px; border-radius:999px; margin-bottom:22px; font-weight:600;
}
.hero h1{ font-size: clamp(2.2rem, 5vw, 3.6rem); max-width:16ch; margin-bottom:.4em; }
.hero .lede{ font-size:1.15rem; max-width:56ch; color: var(--text-dim); }
.stat-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.stat{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-sm);
  padding:16px 20px; min-width:150px;
}
.stat b{ display:block; font-family: var(--font-display); font-size:1.7rem; color:var(--text); }
.stat span{ font-size:.82rem; color: var(--text-faint); }

/* ---------- Filters ---------- */
.filters-section{ padding:40px 0 8px; }
.filters-title{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:18px; flex-wrap:wrap; }
.filters-title h2{ font-size:1.4rem; margin:0; }
.filter-count{ color: var(--text-faint); font-size:.9rem; }
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:8px; }
.filter-chip{
  background: var(--surface); border:1px solid var(--border); color: var(--text-dim);
  padding:9px 18px; border-radius:999px; font-size:.88rem; cursor:pointer; transition: all .15s;
}
.filter-chip:hover{ border-color: var(--text-dim); color:var(--text); }
.filter-chip.active{ background: var(--text); color: var(--bg); border-color: var(--text); font-weight:600; }

/* ---------- Project grid ---------- */
.project-grid{
  display:grid; grid-template-columns: repeat(6, 1fr); gap:20px; padding:28px 0 80px;
}
.pcard{
  grid-column: span 3;
  position:relative; border-radius: var(--radius); border:1px solid var(--border);
  background: var(--surface); overflow:hidden; display:flex; flex-direction:column;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  --pc: var(--accent);
}
.pcard:hover{ transform: translateY(-3px); border-color: var(--pc); box-shadow: 0 16px 40px -20px rgba(0,0,0,.6); }
.pcard.featured{ grid-column: span 6; }
@media (min-width: 901px){
  .pcard.featured{ display:grid; grid-template-columns: 1.1fr 1fr; }
  .pcard.featured .pcard-cover{ aspect-ratio: auto; height:100%; }
}
.pcard-cover{
  aspect-ratio: 16/10; position:relative; overflow:hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--pc) 30%, #10121a), #0c0d12);
  display:flex; align-items:center; justify-content:center;
}
.pcard-cover svg, .pcard-cover .cover-art{ width:100%; height:100%; }
.pcard-body{ padding:22px 24px 24px; display:flex; flex-direction:column; gap:12px; flex:1; }
.pcard-tags{ display:flex; gap:8px; flex-wrap:wrap; }
.tag{
  font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; font-weight:700;
  padding:4px 10px; border-radius:6px; background: color-mix(in srgb, var(--pc) 18%, transparent);
  color: var(--pc);
}
.tag-status{ border:1px solid currentColor; background:transparent; }
.tag-status.published{ color:#3ddc84; }
.tag-status.development{ color:#ffb648; }
.pcard h3{ font-size:1.35rem; margin:0; }
.pcard .desc{ font-size:.95rem; margin:0; flex:1; }
.techs{ display:flex; flex-wrap:wrap; gap:6px; margin:2px 0 4px; }
.techs span{ font-size:.74rem; color:var(--text-faint); background:var(--surface-2); padding:3px 9px; border-radius:999px; }
.pcard-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:4px; }

/* ---------- Cover art (SVG identity per project) ---------- */
.cover-art{ position:relative; }
.cover-art .glyph{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; }
.cover-art .brandmark{ font-family:var(--font-display); font-weight:800; color:#fff; text-align:center; }

/* ---------- Sections generic ---------- */
section{ padding:72px 0; }
.section-head{ max-width:640px; margin:0 auto 44px; text-align:center; }
.section-head h2{ font-size:clamp(1.6rem,3vw,2.2rem); }
.section-head p{ font-size:1.05rem; }

/* Process */
.process-strip{ background: var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.process-steps{ display:flex; flex-wrap:wrap; gap:0; justify-content:center; counter-reset: step; }
.pstep{ flex:1 1 150px; text-align:center; padding:18px 12px; position:relative; }
.pstep .num{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--border); background:var(--surface);
  display:flex; align-items:center; justify-content:center; margin:0 auto 12px; font-family:var(--font-display); color:var(--accent-2);
}
.pstep h4{ font-size:.95rem; margin-bottom:4px; }
.pstep p{ font-size:.82rem; color:var(--text-faint); margin:0; }
.process-note{ text-align:center; max-width:680px; margin:32px auto 0; color:var(--text-faint); font-size:.92rem; }

/* About */
.about-grid{ display:grid; grid-template-columns: 140px 1fr; gap:32px; align-items:center; max-width:760px; margin:0 auto; }
.about-photo{ width:140px; height:140px; border-radius:50%; overflow:hidden; border:1px solid var(--border); background:var(--surface-2); display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-size:2.2rem; color:var(--text-faint); }
.about-links{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
@media (max-width:640px){ .about-grid{ grid-template-columns:1fr; text-align:center; } .about-photo{ margin:0 auto; } .about-links{ justify-content:center; } }

/* Final CTA */
.final-cta{ text-align:center; background: linear-gradient(180deg, transparent, rgba(124,140,255,.06)); border-top:1px solid var(--border); }
.final-cta h2{ font-size:clamp(1.8rem,4vw,2.6rem); max-width:18ch; margin:0 auto .3em; }
.final-cta p{ max-width:52ch; margin:0 auto 32px; font-size:1.05rem; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* Footer */
.site-footer{ border-top:1px solid var(--border); padding:40px 0; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; color:var(--text-faint); font-size:.85rem; }
.footer-links{ display:flex; gap:18px; flex-wrap:wrap; }
.footer-links a:hover{ color:var(--text); }

/* ---------- Project detail page ---------- */
.crumb{ font-size:.85rem; color:var(--text-faint); padding:20px 0 0; }
.crumb a:hover{ color:var(--text); }
.p-hero{
  padding:32px 0 44px; border-bottom:1px solid var(--border);
  background: linear-gradient(160deg, color-mix(in srgb, var(--pc) 14%, transparent), transparent 60%);
}
.p-hero-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:24px; flex-wrap:wrap; }
.p-hero h1{ font-size:clamp(2rem,4.5vw,3rem); margin:.2em 0; }
.p-hero .cat{ color:var(--pc); font-weight:700; letter-spacing:.04em; text-transform:uppercase; font-size:.82rem; }
.p-hero .lede{ font-size:1.1rem; max-width:62ch; }
.p-hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }
.status-banner{
  display:inline-flex; align-items:center; gap:8px; padding:8px 16px; border-radius:999px; font-size:.85rem; font-weight:600;
  border:1px solid currentColor;
}
.status-banner.published{ color:#3ddc84; }
.status-banner.development{ color:#ffb648; }

.p-cover{ margin-top:28px; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border); aspect-ratio: 21/8; }

.content-grid{ display:grid; grid-template-columns: 2fr 1fr; gap:56px; align-items:start; }
@media (max-width: 900px){ .content-grid{ grid-template-columns:1fr; } }
.content-grid h2{ font-size:1.3rem; margin-top:2.2em; }
.content-grid h2:first-child{ margin-top:0; }
.content-grid .lead-p{ font-size:1.05rem; color:var(--text-dim); }
.feature-list li{ position:relative; padding-left:26px; margin-bottom:12px; color:var(--text-dim); }
.feature-list li::before{ content:"→"; position:absolute; left:0; color:var(--pc); font-weight:700; }
.side-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:22px; margin-bottom:20px; }
.side-card h3{ font-size:.85rem; text-transform:uppercase; letter-spacing:.05em; color:var(--text-faint); margin-bottom:14px; }
.tech-pills{ display:flex; flex-wrap:wrap; gap:8px; }
.tech-pills span{ background:var(--surface-2); color:var(--text-dim); font-size:.8rem; padding:5px 12px; border-radius:999px; }
.ai-list li{ font-size:.9rem; color:var(--text-dim); padding:8px 0; border-bottom:1px solid var(--border); }
.ai-list li:last-child{ border-bottom:none; }
.state-note{ font-size:.9rem; color:var(--text-dim); }
.gallery{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin:20px 0 0; }
.gallery figure{ margin:0; border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--border); }
.gallery figcaption{ font-size:.78rem; color:var(--text-faint); padding:8px 10px; background:var(--surface); }

.related{ border-top:1px solid var(--border); padding-top:56px; margin-top:24px; }
.related-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:18px; }

.unconfirmed{
  font-size:.85rem; color:var(--text-faint); background:var(--surface); border:1px dashed var(--border);
  padding:14px 18px; border-radius:var(--radius-sm); margin-top:18px;
}

@media (max-width: 640px){
  .project-grid{ grid-template-columns:1fr; }
  .pcard{ grid-column: span 1 !important; }
  .pcard.featured{ display:flex; }
  .about-grid{ gap:20px; }
}