/* ricardo.eti.br — public site · v3 "poster"
   Direction: product-poster (Neuralink-like). Desaturated cinematic media, flat glass panels,
   uppercase tracked labels, restrained cool-white glow. Tech/AI vocabulary, never military. */

:root {
  --bg: #0a0b0e; --bg-2: #0f1115; --bg-3: #15181e;
  --panel: rgba(255, 255, 255, 0.05); --panel-2: rgba(14, 16, 21, 0.74);
  --line: rgba(255, 255, 255, 0.1); --line-2: rgba(255, 255, 255, 0.2);
  --text: #ededf0; --text-2: #b6bac4; --muted: #8a8f99; --dim: #5d626b;
  --glow: #dff0ff; --accent: #a9dcff; --accent-2: #6fb9e8; --violet: #c9b8ff; --ok: #8fe3c8; --warn: #e8c27a;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --radius: 16px; --radius-sm: 10px; --container: 1240px; --gutter: clamp(16px, 4vw, 44px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1); --nav-h: 64px; color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; min-height: 100vh; }
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; } a:hover { color: #fff; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.2; color: #fff; }
p { margin: 0 0 1em; } ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--accent); color: #0a0b0e; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.icon { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.muted { color: var(--muted); }
.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: #fff; color: #000; padding: 8px 12px; z-index: 1000; border-radius: 6px; } .skip-link:focus { left: 8px; }

/* type */
.label { font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.readout { font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 8px; line-height: 1.4; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--dim); flex: none; }
.dot-on { background: var(--ok); animation: pulse 2.4s infinite; } .dot-off { background: #ff7b7b; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(143, 227, 200, 0.45); } 70% { box-shadow: 0 0 0 7px rgba(143, 227, 200, 0); } 100% { box-shadow: 0 0 0 0 rgba(143, 227, 200, 0); } }
.bracket { display: none; }

/* layers */
.bg-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0.35; }
.noise { position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.045; mix-blend-mode: overlay; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); background-size: 220px 220px; }
main, .nav, .footer, .preloader, .toast, .to-top { position: relative; z-index: 2; }

/* glass */
.glass, .tile { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(16px) saturate(110%); -webkit-backdrop-filter: blur(16px) saturate(110%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 20px 60px rgba(0, 0, 0, 0.35); transition: border-color 220ms var(--ease), transform 220ms var(--ease); }
.glass.solid { background: var(--panel-2); }
.hud::before, .hud::after { content: none; }
a.tile:hover, .related-card:hover { border-color: var(--line-2); transform: translateY(-2px); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 10px; border: 1px solid transparent; font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1.2; white-space: nowrap; cursor: pointer; transition: all 200ms var(--ease); }
.btn .icon { width: 1em; height: 1em; }
.btn-primary { background: #e9eef5; color: #0a0b0e; }
.btn-primary:hover { background: #fff; color: #000; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.6), 0 10px 34px rgba(223, 240, 255, 0.18); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, 0.03); color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.5); color: #fff; background: rgba(255, 255, 255, 0.07); }
.btn-sm { padding: 8px 13px; font-size: 11px; } .btn-block { width: 100%; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); }
.link-arrow .icon { transition: transform 200ms var(--ease); } .link-arrow:hover .icon { transform: translateX(3px); }

/* nav */
.nav { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 50; transition: background 250ms var(--ease), border-color 250ms var(--ease); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(10, 11, 14, 0.7); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom-color: var(--line); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 12px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; }
.brand-logo { width: 30px; height: 30px; display: block; opacity: 0.95; } .brand:hover .brand-logo { filter: drop-shadow(0 0 10px rgba(223, 240, 255, 0.5)); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a:not(.btn) { color: var(--text-2); font-size: 11.5px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; position: relative; padding: 4px 0; }
.nav-links a:not(.btn)::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: #fff; transform: scaleX(0); transform-origin: left; transition: transform 200ms var(--ease); }
.nav-links a:not(.btn):hover, .nav-links a.is-active { color: #fff; } .nav-links a:not(.btn):hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: 14px; } .nav-clock { color: var(--text-2); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); color: var(--text); width: 40px; height: 40px; border-radius: 9px; align-items: center; justify-content: center; } .nav-toggle .icon { width: 20px; height: 20px; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; } .nav-clock { display: none; }
  .nav-links { position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: rgba(10, 11, 14, 0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 18px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 200ms; }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 13px; } .nav-links a:not(.btn)::after { display: none; } .nav-cta { margin-top: 14px; }
}

/* poster hero */
.poster { position: relative; min-height: 100svh; overflow: hidden; isolation: isolate; }
.poster-media { position: absolute; inset: 0; z-index: 0; }
.poster-media img, .poster-media video { position: absolute; inset: 0; }
.poster-media img, .poster-media video { width: 100%; height: 100%; object-fit: cover; object-position: 65% 45%; filter: saturate(0.6) contrast(1.05) brightness(0.72); }
.poster-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 11, 14, 0.98) 0%, rgba(10, 11, 14, 0.92) 34%, rgba(10, 11, 14, 0.45) 62%, rgba(10, 11, 14, 0.55) 100%), linear-gradient(0deg, var(--bg) 0%, rgba(10, 11, 14, 0.35) 30%, transparent 55%), linear-gradient(180deg, rgba(10, 11, 14, 0.7), transparent 24%); }
.poster-media.is-empty { background: radial-gradient(60% 70% at 72% 40%, rgba(169, 220, 255, 0.12), transparent 70%), var(--bg-2); }
.poster-inner { position: relative; z-index: 2; transform: translateZ(0); display: grid; grid-template-columns: minmax(300px, 400px) 1fr; gap: clamp(24px, 4vw, 56px); padding: calc(var(--nav-h) + 36px) 0 40px; min-height: 100svh; align-items: stretch; }
.poster-copy { display: flex; flex-direction: column; gap: 20px; justify-content: center; }
.poster-title { font-size: clamp(1.55rem, 2.8vw, 2.35rem); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; line-height: 1.12; }
.poster-tag { font-size: clamp(0.85rem, 1.1vw, 1rem); font-weight: 300; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); margin-top: 8px; }
.poster-pitch { font-size: 14.5px; color: var(--text-2); max-width: 38ch; margin: 0; line-height: 1.65; }
.poster-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.core-list { display: flex; flex-direction: column; gap: 7px; margin-top: 10px; }
.core-list li { font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); display: flex; align-items: center; gap: 10px; }
.core-list li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--dim); flex: none; }
.mini-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini { padding: 12px 14px; } .mini .label { display: block; margin-bottom: 10px; font-size: 10px; }
.mini-icons { display: flex; justify-content: space-between; gap: 8px; }
.mini-icons li { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-2); }
.mini-icons .icon { width: 22px; height: 22px; stroke-width: 1.2; } .mini-icons small { font-size: 8.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); }
.identity { padding: 10px; }
.identity-media { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: var(--bg-3); }
.identity-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.5) brightness(0.9); }
.identity-media .readout { position: absolute; left: 8px; bottom: 8px; color: var(--glow); font-size: 9px; background: rgba(10, 11, 14, 0.55); padding: 3px 6px; border-radius: 4px; }
.identity-media .corner { position: absolute; width: 10px; height: 10px; border: 1px solid rgba(255, 255, 255, 0.5); }
.identity-media .corner.tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; } .identity-media .corner.tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; } .identity-media .corner.br { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.poster-stats { display: grid; grid-template-columns: repeat(4, auto); gap: 14px 22px; justify-content: start; padding-top: 16px; border-top: 1px solid var(--line); }
.poster-stats li { display: flex; flex-direction: column; gap: 2px; }
.stat-value { font-size: 1.15rem; font-weight: 500; letter-spacing: 0.02em; color: #fff; } .stat-label { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* hero right: 3D graph + panels */
.poster-right { position: relative; display: grid; grid-template-rows: 1fr auto; gap: 12px; min-height: 520px; }
.graph-wrap { position: relative; min-height: 380px; border-radius: var(--radius); overflow: hidden; }
.graph-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: none; }
.graph-wrap canvas.is-dragging { cursor: grabbing; }
.graph-hint { position: absolute; left: 14px; bottom: 12px; pointer-events: none; color: var(--dim); }
.graph-title { position: absolute; left: 14px; top: 12px; pointer-events: none; }
.graph-tip { position: absolute; z-index: 3; pointer-events: none; padding: 10px 12px; border-radius: 10px; background: rgba(10, 11, 14, 0.88); border: 1px solid var(--line-2); backdrop-filter: blur(10px); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; opacity: 0; transform: translate(-50%, calc(-100% - 14px)); transition: opacity 150ms; width: max-content; max-width: min(300px, calc(100% - 24px)); white-space: normal; }
.graph-tip.is-below { transform: translate(-50%, 14px); }
.graph-tip.is-on { opacity: 1; } .graph-tip small { display: block; color: var(--muted); font-size: 9px; margin-top: 2px; }
.graph-tip p { margin: 8px 0 0; padding-top: 8px; border-top: 1px solid var(--line); font-family: var(--font); font-size: 12px; letter-spacing: 0; text-transform: none; color: var(--text-2); line-height: 1.5; }
.hud-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
.hud-panel { padding: 16px 18px; }
.hud-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.hud-head.live-head { margin-top: 18px; }
.rows { display: flex; flex-direction: column; gap: 11px; margin: 0; }
.rows div { display: grid; grid-template-columns: 112px 1fr; gap: 14px; align-items: baseline; }
.rows dt { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; line-height: 1.5; }
.rows dd { margin: 0; font-size: 12.5px; color: var(--text); font-weight: 400; line-height: 1.55; }
.rows.small div { grid-template-columns: 112px 1fr; } .rows.small dd { font-family: var(--mono); font-size: 11.5px; color: var(--glow); letter-spacing: 0.04em; }
.mini-wide { width: 100%; } .mini-wide .mini-icons { justify-content: flex-start; gap: 22px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03); }
.status-pill i { width: 5px; height: 5px; border-radius: 50%; background: var(--dim); }
.status-pill.is-on, .status-pill.is-open { color: var(--ok); border-color: rgba(143, 227, 200, 0.4); } .status-pill.is-on i, .status-pill.is-open i { background: var(--ok); } .status-pill.is-on i { animation: pulse 2.4s infinite; }
.status-pill.is-soon { color: var(--warn); border-color: rgba(232, 194, 122, 0.4); } .status-pill.is-soon i { background: var(--warn); }
.status-pill.is-planning { color: var(--accent); border-color: rgba(169, 220, 255, 0.35); } .status-pill.is-planning i { background: var(--accent); }
.status-pill.is-closed { color: var(--muted); } .status-pill.is-closed i { background: var(--dim); }
.ai-log-lines { display: flex; flex-direction: column; gap: 6px; min-height: 0; }
.ai-log-lines li { font-family: var(--mono); font-size: 10.5px; line-height: 1.5; color: var(--text-2); opacity: 0; transform: translateY(4px); transition: opacity 300ms var(--ease), transform 300ms var(--ease); }
.ai-log-lines li.in { opacity: 1; transform: none; } .ai-log-lines li.is-typing { color: var(--glow); }
.ai-log-lines li.is-typing::after { content: '▍'; animation: caret 1s steps(2) infinite; } .ai-log-lines li strong { color: var(--accent); font-weight: 500; }
@keyframes caret { 50% { opacity: 0; } }
@media (max-width: 900px) {
  .poster-inner { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 28px); }
  .poster-media img, .poster-media video { object-position: 60% 30%; }
  .poster-media::after { background: linear-gradient(180deg, rgba(10, 11, 14, 0.7), rgba(10, 11, 14, 0.82) 40%, var(--bg) 100%); }
  .poster-right { min-height: 0; } .graph-wrap { min-height: 320px; } .hud-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) { .poster-stats { grid-template-columns: repeat(2, 1fr); } .mini-panels { grid-template-columns: 1fr; } }

/* sections */
.section { padding: clamp(36px, 4.5vw, 60px) 0; position: relative; }
.section + .section::before { content: ''; position: absolute; left: 50%; top: 0; width: 1px; height: 36px; background: linear-gradient(transparent, var(--line-2)); transform: translateX(-50%); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: clamp(20px, 3vw, 32px); flex-wrap: wrap; }
.section-head > div { max-width: 720px; } .section-index { margin-bottom: 10px; }
.section-title { font-size: clamp(1.25rem, 2.3vw, 1.75rem); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
.section-intro { color: var(--muted); font-size: 13.5px; margin: 8px 0 0; }
.section-more { display: flex; justify-content: center; margin-top: 26px; } .lead { font-size: 15px; color: var(--text-2); }

/* feature cards */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 1000px) { .grid3 { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 620px) { .grid3 { grid-template-columns: 1fr; } }
.fcard { position: relative; display: block; aspect-ratio: 4 / 3.3; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--bg-3); isolation: isolate; color: var(--text); transition: border-color 250ms var(--ease), transform 250ms var(--ease); }
.fcard:hover { border-color: rgba(255, 255, 255, 0.28); transform: translateY(-2px); }
.fcard-media { position: absolute; inset: 0; z-index: 0; }
.fcard-media img, .fcard-media video { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.5) contrast(1.05) brightness(0.86); transition: transform 700ms var(--ease), filter 400ms var(--ease); }
.fcard:hover .fcard-media img, .fcard:hover .fcard-media video { transform: scale(1.035); filter: saturate(0.65) contrast(1.05) brightness(0.95); }
.fcard-gen { position: absolute; inset: 0; display: grid; place-items: center; color: var(--dim); background: radial-gradient(circle at 70% 30%, rgba(169, 220, 255, 0.12), transparent 55%), repeating-linear-gradient(0deg, transparent 0 27px, rgba(255, 255, 255, 0.05) 27px 28px), repeating-linear-gradient(90deg, transparent 0 27px, rgba(255, 255, 255, 0.05) 27px 28px), var(--bg-3); }
.fcard-gen .icon { width: 44px; height: 44px; stroke-width: 1; color: var(--accent); opacity: 0.8; }
.fcard::before { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, rgba(10, 11, 14, 0.82) 0%, rgba(10, 11, 14, 0.3) 34%, rgba(10, 11, 14, 0) 55%, rgba(10, 11, 14, 0.78) 100%); }
.fcard-top { position: absolute; top: 16px; left: 16px; right: 16px; z-index: 2; }
.fcard-top h3 { font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #fff; line-height: 1.35; padding-right: 56px; }
.fcard-top p { margin: 4px 0 0; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fcard-tag { position: absolute; top: 16px; right: 16px; z-index: 2; font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; color: var(--dim); }
.fcard-foot { position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.fcard-foot .readout { color: var(--text-2); font-size: 9.5px; }
.fcard-inset { position: absolute; z-index: 2; left: 14px; bottom: 46px; width: min(62%, 230px); padding: 10px 12px; border-radius: 10px; background: rgba(10, 11, 14, 0.62); border: 1px solid var(--line); backdrop-filter: blur(10px); }
.fcard-inset .label { font-size: 9px; margin-bottom: 8px; display: block; }
.inset-rows { display: flex; flex-direction: column; gap: 6px; }
.inset-rows li { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.inset-rows li > span:first-child { overflow: hidden; text-overflow: ellipsis; }
.inset-rows li strong { color: var(--glow); font-weight: 500; }
.inset-rows .bar { grid-column: 1 / -1; height: 2px; background: rgba(255, 255, 255, 0.1); border-radius: 2px; overflow: hidden; }
.inset-rows .bar i { display: block; height: 100%; width: 0; background: var(--glow); transition: width 1.2s var(--ease); }
.in .inset-rows .bar i, .no-motion .inset-rows .bar i { width: var(--w); }
.fcard-side { position: absolute; z-index: 2; right: 14px; bottom: 14px; width: min(40%, 150px); padding: 12px; border-radius: 10px; background: rgba(10, 11, 14, 0.6); border: 1px solid var(--line); backdrop-filter: blur(10px); display: flex; flex-direction: column; gap: 8px; color: var(--text); }
.fcard-side .label { font-size: 9px; } .fcard-side .check { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--ok); } .fcard-side .check .icon { width: 14px; height: 14px; }

/* course cards */
.ccard { aspect-ratio: auto; min-height: 430px; display: flex; flex-direction: column; justify-content: flex-end; }
.ccard .fcard-top p { -webkit-line-clamp: 3; }
.ccard-panel { position: relative; z-index: 2; margin: 14px; padding: 14px; border-radius: 12px; background: rgba(10, 11, 14, 0.66); border: 1px solid var(--line); backdrop-filter: blur(12px); display: flex; flex-direction: column; gap: 10px; }
.ccard-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.ccard-meta span:not(.status-pill) { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); } .ccard-meta .price { color: #fff; }
.ccard-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ccard-list { display: flex; flex-direction: column; gap: 4px; }
.ccard-list li { font-size: 11px; color: var(--text-2); display: flex; gap: 8px; align-items: center; } .ccard-list li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--dim); flex: none; }

/* agent flow + topology panels */
.viz { padding: 0; overflow: hidden; }
.viz-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.viz-head p { margin: 0; font-size: 12.5px; color: var(--muted); }
.viz-body { position: relative; }
.viz canvas { display: block; width: 100%; height: 300px; }
.viz svg { display: block; width: 100%; height: auto; }
.viz-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 12px 18px; border-top: 1px solid var(--line); }
.viz-legend li { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.viz-legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--glow); }
.viz-legend i.v { background: var(--violet); } .viz-legend i.o { background: var(--ok); } .viz-legend i.w { background: var(--warn); }
.topo text { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; fill: var(--muted); text-transform: uppercase; }
.topo .node { fill: rgba(255, 255, 255, 0.05); stroke: rgba(255, 255, 255, 0.28); }
.topo .node.hl { stroke: var(--glow); }
.topo .lnk { stroke: rgba(255, 255, 255, 0.14); fill: none; }
.topo .lnk.hot { stroke: rgba(169, 220, 255, 0.45); stroke-dasharray: 2 5; animation: dashFlow 30s linear infinite; }
.topo .pkt { fill: var(--glow); } .topo .pkt.v { fill: var(--violet); } .topo .pkt.o { fill: var(--ok); }
.topo .lbl { fill: var(--text-2); font-size: 9.5px; }
.topo .band { fill: rgba(255, 255, 255, 0.02); stroke: rgba(255, 255, 255, 0.06); }
@keyframes dashFlow { to { stroke-dashoffset: -700; } }
.viz-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; align-items: start; }
@media (max-width: 1000px) { .viz-grid { grid-template-columns: 1fr; } }

/* spec lists */
.spec-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(20px, 4vw, 48px); align-items: start; }
@media (max-width: 900px) { .spec-grid { grid-template-columns: 1fr; } }
.spec { padding: 6px 20px; }
.spec-row { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); } .spec-row:first-child { border-top: 0; }
.spec-row .readout { color: var(--muted); align-self: start; padding-top: 3px; }
.spec-row h3 { font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }
.spec-row .sub { font-size: 12.5px; color: var(--muted); margin: 3px 0 6px; } .spec-row .desc { font-size: 13px; color: var(--text-2); margin: 0 0 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); border: 1px solid var(--line); border-radius: 5px; padding: 3px 7px; background: rgba(255, 255, 255, 0.02); }
.spec-row.is-current h3::after { content: 'atual'; margin-left: 10px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; color: var(--ok); border: 1px solid rgba(143, 227, 200, 0.4); border-radius: 999px; padding: 2px 7px; vertical-align: middle; }
@media (max-width: 640px) { .spec-row { grid-template-columns: 1fr; gap: 6px; } }

/* about */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.3fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-title { font-size: clamp(1.1rem, 1.8vw, 1.35rem); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.about-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.photo-frame { padding: 10px; } .photo-frame img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; filter: saturate(0.7); }
.photo-placeholder { aspect-ratio: 1; border-radius: 10px; display: grid; place-items: center; gap: 10px; align-content: center; background: radial-gradient(circle at 50% 30%, rgba(169, 220, 255, 0.1), transparent 60%), repeating-linear-gradient(0deg, transparent 0 23px, var(--line) 23px 24px), repeating-linear-gradient(90deg, transparent 0 23px, var(--line) 23px 24px); color: var(--dim); }
.photo-placeholder .icon { width: 56px; height: 56px; stroke-width: 1; }
.photo-overlay { display: flex; justify-content: space-between; gap: 10px; padding: 10px 4px 0; flex-wrap: wrap; }
.focus-list { margin-top: 16px; display: flex; flex-direction: column; gap: 7px; }
.focus-list li { display: flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); } .focus-list .icon { color: var(--ok); width: 14px; height: 14px; }

/* prose */
.prose { color: var(--text-2); font-size: 15px; } .prose p { margin: 0 0 1.1em; } .prose p:last-child { margin-bottom: 0; } .prose strong { color: var(--text); font-weight: 600; }
.prose h2, .prose h3, .prose h4 { color: #fff; margin: 1.6em 0 0.6em; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500; } .prose h2 { font-size: 1.1rem; } .prose h3 { font-size: 0.95rem; } .prose h4 { font-size: 0.85rem; } .prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1.1em; } .prose ul { list-style: none; } .prose ul li { position: relative; margin: 0.35em 0; }
.prose ul li::before { content: ''; position: absolute; left: -1.1em; top: 0.72em; width: 4px; height: 4px; border-radius: 50%; background: var(--muted); }
.prose ol { list-style: decimal; } .prose ol li { margin: 0.35em 0; padding-left: 0.3em; } .prose ol li::marker { color: var(--muted); font-family: var(--mono); font-size: 0.85em; }
.prose code { font-family: var(--mono); font-size: 0.86em; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--glow); }
.prose pre { background: #07080b; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow: auto; font-size: 0.86em; } .prose pre code { background: none; border: 0; padding: 0; color: var(--text); }
.prose blockquote { margin: 1.2em 0; padding: 12px 18px; border-left: 2px solid var(--line-2); background: rgba(255, 255, 255, 0.03); border-radius: 0 8px 8px 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; } .prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.6em 0; } .prose img { border-radius: 10px; margin: 1em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.95em; } .prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; } .prose th { color: var(--text); font-family: var(--mono); font-size: 0.75em; text-transform: uppercase; letter-spacing: 0.08em; }

/* modes bar */
.modes-bar { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; padding: 18px 22px; }
.modes-bar > .label { align-self: start; padding-top: 10px; }
.modes-list { display: flex; flex-wrap: wrap; gap: 10px; }
.mode-pill { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, 0.02); transition: border-color 200ms var(--ease), background 200ms var(--ease); }
.mode-pill:hover { border-color: var(--line-2); background: rgba(255, 255, 255, 0.05); }
.mode-pill .icon { color: var(--text); width: 18px; height: 18px; stroke-width: 1.3; }
.mode-pill span { font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-2); line-height: 1.35; max-width: 150px; }
.secure { display: flex; align-items: center; gap: 14px; color: var(--text); } .secure .icon { width: 30px; height: 30px; stroke-width: 1.1; color: var(--glow); }
.secure strong { display: block; font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500; } .secure span { display: block; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) { .modes-bar { grid-template-columns: 1fr; gap: 14px; } .secure { padding-top: 12px; border-top: 1px solid var(--line); } }

/* testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.testi { margin: 0; padding: 22px; display: flex; flex-direction: column; gap: 14px; } .testi-quote { width: 22px; height: 22px; color: var(--accent); opacity: 0.7; }
.testi blockquote { margin: 0; color: var(--text); font-size: 14.5px; } .testi figcaption { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testi figcaption img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line-2); } .testi figcaption div { display: flex; flex-direction: column; font-size: 12.5px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.3fr; gap: clamp(24px, 4vw, 56px); align-items: start; } @media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-title { font-size: clamp(1.1rem, 1.8vw, 1.35rem); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; }
.contact-list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; } .contact-list li { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--text-2); }
.contact-list .icon { color: var(--text); width: 16px; height: 16px; } .contact-list a { color: var(--text); } .contact-list a:hover { color: var(--accent); }
.contact-form { padding: 22px; } .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; } @media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; } .field label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea { width: 100%; background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line-2); border-radius: 10px; color: var(--text); font: inherit; font-size: 14.5px; padding: 11px 13px; transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease); }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); } .field input:focus, .field textarea:focus { outline: none; border-color: rgba(255, 255, 255, 0.5); box-shadow: 0 0 0 3px rgba(223, 240, 255, 0.1); }
.field textarea { resize: vertical; min-height: 120px; } .hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; } .form-hint { margin: 0; color: var(--dim); } .form-hint.is-ok { color: var(--ok); } .form-hint.is-err { color: #ff8a8a; }
.contact-form.is-sent .form-foot .btn { pointer-events: none; opacity: 0.5; }

/* footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 34px; margin-top: 30px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 28px; align-items: start; } @media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-copy { margin: 14px 0 6px; color: var(--text-2); font-size: 12.5px; } .footer-note { color: var(--dim); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-top: 6px; } .footer-links a { color: var(--text-2); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; } .footer-links a:hover { color: #fff; }
.footer-social { display: flex; gap: 8px; } .footer-social a { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 9px; color: var(--text-2); transition: all 180ms var(--ease); } .footer-social a:hover { color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.to-top { position: fixed; right: 18px; bottom: 18px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: rgba(14, 16, 21, 0.85); border: 1px solid var(--line-2); color: var(--text-2); opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 220ms var(--ease); z-index: 40; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; } .to-top:hover { color: #fff; border-color: rgba(255, 255, 255, 0.5); }

/* inner pages */
main.inner { padding-top: calc(var(--nav-h) + 40px); padding-bottom: 60px; min-height: 70vh; }
.crumbs { margin-bottom: 26px; flex-wrap: wrap; color: var(--dim); } .crumbs a { color: var(--muted); } .crumbs a:hover { color: #fff; } .crumbs span { color: var(--text-2); }
.detail-head { display: flex; gap: 22px; align-items: flex-start; margin-bottom: 30px; max-width: 860px; }
.detail-title { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin: 8px 0 12px; }
.detail-sub { color: var(--accent); font-weight: 500; font-size: 0.95rem; letter-spacing: 0.04em; margin: -4px 0 12px; }
.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; } @media (max-width: 980px) { .detail-grid { grid-template-columns: 1fr; } .sticky { position: static; } }
.detail-main > .tile { padding: 26px; } .detail-main > .tile + .tile { margin-top: 18px; } .detail.narrow .tile { padding: 26px; max-width: 860px; }
.detail-side { display: flex; flex-direction: column; gap: 16px; } .side-box { padding: 18px; } .side-label { margin-bottom: 12px; color: var(--text-2); } .sticky { position: sticky; top: calc(var(--nav-h) + 20px); }
.icon-badge { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line-2); color: var(--text); flex: none; } .icon-badge .icon { width: 20px; height: 20px; stroke-width: 1.3; }
.icon-badge.small { width: 36px; height: 36px; border-radius: 9px; } .icon-badge.small .icon { width: 17px; height: 17px; } .icon-badge.large { width: 58px; height: 58px; border-radius: 14px; } .icon-badge.large .icon { width: 26px; height: 26px; }
.check-list { display: flex; flex-direction: column; gap: 8px; } .check-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--text-2); } .check-list .icon { color: var(--ok); width: 15px; height: 15px; margin-top: 3px; } .check-list.compact { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.cta-box .btn { width: 100%; } .cta-box .btn + .btn { margin-top: 10px; } .side-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; } .side-box .tags { margin-top: 12px; }
.course-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 4px 0 0; } .course-meta div { display: flex; flex-direction: column; gap: 2px; } .course-meta dt { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); } .course-meta dd { margin: 0; font-size: 13px; color: var(--text); font-weight: 500; } .course-meta.vertical { flex-direction: column; gap: 10px; }
.price { color: #fff !important; } .price.big { font-size: 1.35rem; font-weight: 500; letter-spacing: 0.02em; margin: 4px 0 10px; }
.course-hero-img { padding: 8px; margin-bottom: 18px; } .course-hero-img img, .course-hero-img .card-video { border-radius: 10px; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(0.6); }
.modules { margin-top: 18px; } .module-list { display: flex; flex-direction: column; } .module-list li { display: flex; gap: 14px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--text); } .module-list li:last-child { border-bottom: 0; } .mod-index { color: var(--muted); }
.related { margin-top: 44px; } .related .section-index { margin-bottom: 14px; } .related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.related-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px; color: var(--text); } .related-card > span:last-child { display: flex; flex-direction: column; gap: 4px; } .related-card strong { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; } .related-card small { color: var(--muted); font-size: 12.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { color: var(--muted); } .page-updated { margin-top: 18px; }
.error-page { padding: 40px 0; } .error-box { padding: 36px; max-width: 640px; } .error-box .readout { color: #ff8a8a; margin-bottom: 14px; } .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.card-video { width: 100%; height: 100%; object-fit: cover; display: block; background: var(--bg-3); }

/* ambient videos */
.section.has-ambient { position: relative; overflow: hidden; } .section.has-ambient > .container { position: relative; z-index: 1; }
.ambient { position: absolute; inset: 0; z-index: 0; pointer-events: none; } .ambient video { width: 100%; height: 100%; object-fit: cover; opacity: 0.16; filter: saturate(0.3); }
.ambient::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, var(--bg), rgba(10, 11, 14, 0.3) 25%, rgba(10, 11, 14, 0.3) 75%, var(--bg)); }

/* toast, preloader, cursor, reveal */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: rgba(14, 16, 21, 0.95); border: 1px solid var(--line-2); color: var(--text); padding: 12px 18px; border-radius: 10px; z-index: 60; font-size: 13.5px; opacity: 0; transition: all 250ms var(--ease); max-width: min(90vw, 520px); }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); } .toast-success { border-color: rgba(143, 227, 200, 0.5); } .toast-error { border-color: rgba(255, 120, 120, 0.5); }
.preloader { position: fixed; inset: 0; z-index: 100; background: var(--bg); display: grid; place-items: center; transition: opacity 500ms var(--ease), transform 500ms var(--ease), visibility 500ms; } .preloader.is-done { opacity: 0; transform: scale(1.02); visibility: hidden; }
.preloader-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; width: min(300px, 80vw); } .preloader-mark { width: 84px; height: 84px; } .preloader-mark img { width: 84px; height: 84px; filter: drop-shadow(0 0 26px rgba(223, 240, 255, 0.35)); }
.preloader-lines { color: var(--muted); min-height: 1.4em; } .preloader-bar { width: 100%; height: 1px; background: rgba(255, 255, 255, 0.08); overflow: hidden; } .preloader-bar span { display: block; height: 100%; width: 0; background: var(--glow); transition: width 300ms var(--ease); }
body.is-loading { overflow: hidden; }
.cursor { position: fixed; left: 0; top: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--glow); box-shadow: 0 0 16px rgba(223, 240, 255, 0.6); pointer-events: none; z-index: 200; transform: translate(-50%, -50%); opacity: 0; transition: width 200ms var(--ease), height 200ms var(--ease), opacity 300ms var(--ease), background 200ms; mix-blend-mode: screen; }
.cursor.is-on { opacity: 0.8; } .cursor.is-link { width: 30px; height: 30px; background: rgba(223, 240, 255, 0.12); box-shadow: 0 0 0 1px rgba(223, 240, 255, 0.5), 0 0 22px rgba(223, 240, 255, 0.25); }
@media (pointer: coarse), (prefers-reduced-motion: reduce) { .cursor { display: none; } }
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 420ms var(--ease) var(--d, 0ms), transform 420ms var(--ease) var(--d, 0ms); } .reveal.in { opacity: 1; transform: none; }
.section-head.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .dot-on, .status-pill i, .topo .lnk.hot { animation: none !important; } .preloader { display: none; } * { scroll-behavior: auto !important; } }
.poster-inner > *, .grid3 > *, .about-grid > *, .contact-grid > *, .detail-grid > *, .spec-grid > *, .viz-grid > *, .hud-row > * { min-width: 0; }

/* featured cards: the inset list replaces the footer readout; on phones the inset is dropped (details live on the item page) */
.fcard:has(.fcard-inset) .fcard-foot .readout { display: none; }
.fcard:has(.fcard-inset) .fcard-foot { justify-content: flex-end; }
@media (max-width: 620px) { .fcard-inset { display: none; } .fcard:has(.fcard-inset) .fcard-foot .readout { display: inline-flex; } .fcard:has(.fcard-inset) .fcard-foot { justify-content: space-between; } }

/* inset panel ("Entregas") reveals on hover together with the card video */
.fcard-inset { opacity: 0; transform: translateY(10px); transition: opacity 260ms var(--ease), transform 260ms var(--ease); pointer-events: none; }
.fcard:hover .fcard-inset, .fcard:focus-within .fcard-inset { opacity: 1; transform: none; }
.fcard:has(.fcard-inset) .fcard-foot .readout { display: inline-flex; transition: opacity 200ms var(--ease); }
.fcard:has(.fcard-inset):hover .fcard-foot .readout { opacity: 0; }
.fcard:has(.fcard-inset) .fcard-foot { justify-content: space-between; }