/* ═══════════════════ RESET & TOKENS ═══════════════════ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#050505;--surface:#0a0a0a;--surface-2:#111111;--surface-3:#1a1a1a;
  --text:#F3F3F3;--text-dim:#777;--text-muted:#444;
  --accent:#00D1FF;--accent-dim:rgba(0,209,255,.12);
  --font-head:'Space Grotesk','Inter',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
}
html{scroll-behavior:auto}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#000}

/* ═══════════════════ LOADER ═══════════════════ */
#loader{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg);transition:opacity .8s,visibility .8s}
#loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:16px}
.loader-ring{width:48px;height:48px;border:2px solid var(--accent-dim);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}
.loader-pct{font-family:var(--font-head);font-size:1.6rem;font-weight:700;color:var(--accent)}

/* ═══════════════════ CANVAS ═══════════════════ */
#three-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:1}

/* ═══════════════════ HUD OVERLAY ═══════════════════ */
#hud{position:fixed;inset:0;z-index:10;pointer-events:none;opacity:0;transition:opacity .6s}
#hud.active{opacity:1}

/* Corner brackets */
.hud-corner{position:absolute;width:40px;height:40px;border-color:var(--accent);border-style:solid;opacity:.25}
.hud-tl{top:24px;left:24px;border-width:1px 0 0 1px}
.hud-tr{top:24px;right:24px;border-width:1px 1px 0 0}
.hud-bl{bottom:24px;left:24px;border-width:0 0 1px 1px}
.hud-br{bottom:24px;right:24px;border-width:0 1px 1px 0}

/* Coordinate readouts */
.hud-coord{position:absolute;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;color:var(--text-dim);opacity:.5}
.hud-coord span{color:var(--accent);margin-right:4px}
.hud-coord-tl{top:32px;left:72px}
.hud-coord-tr{top:32px;right:72px}
.hud-coord-bl{bottom:32px;left:72px}

/* Scanning line */
.hud-scanline{position:absolute;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent 10%,var(--accent) 50%,transparent 90%);opacity:.06;animation:scanmove 5s linear infinite}
@keyframes scanmove{0%{top:-2%}100%{top:102%}}

/* Grid */
.hud-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,209,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,209,255,.025) 1px,transparent 1px);background-size:80px 80px;opacity:.5}

/* ═══════════════════ PROGRESS BAR ═══════════════════ */
#progress-track{position:fixed;right:20px;top:50%;transform:translateY(-50%);width:2px;height:100px;background:rgba(255,255,255,.04);border-radius:2px;z-index:100;overflow:hidden}
#progress-fill{width:100%;height:0%;background:var(--accent);border-radius:2px;transition:height .15s;box-shadow:0 0 10px var(--accent)}

/* ═══════════════════ HERO SECTION ═══════════════════ */
#hero-section{position:relative;z-index:20}
.hero-spacer{height:250vh}

/* Shared hero stage */
.hero-stage{position:fixed;inset:0;z-index:30;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:2rem 2rem 2rem clamp(3rem,8vw,8rem);pointer-events:none;opacity:0;visibility:hidden}
.hero-stage.visible{opacity:1;visibility:visible}

/* Intro tagline */
.intro-tagline{font-family:var(--font-head);font-size:clamp(1.4rem,3.5vw,2.6rem);font-weight:400;font-style:italic;letter-spacing:-.01em;color:var(--text);line-height:1.3;opacity:.85}

/* Hero badge */
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 16px;border-radius:100px;background:rgba(0,209,255,.06);border:1px solid rgba(0,209,255,.12);font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:24px}
.badge-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}

/* Hero title */
.hero-title{font-family:var(--font-head);font-size:clamp(2.2rem,6vw,4.8rem);font-weight:800;line-height:1.06;letter-spacing:-.03em;margin-bottom:20px;color:var(--text)}
.hero-title em{font-style:normal;background:linear-gradient(90deg,var(--accent),#3B82F6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.hero-sub{max-width:460px;font-size:1rem;line-height:1.7;color:var(--text-dim);margin-bottom:32px}

/* CTA Button */
.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:8px;background:var(--accent);color:#000;font-family:var(--font-head);font-weight:600;font-size:.88rem;text-decoration:none;pointer-events:all;cursor:pointer;transition:transform .25s,box-shadow .25s;letter-spacing:.01em}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,209,255,.3)}
.cta-secondary{background:transparent;border:1px solid rgba(0,209,255,.3);color:var(--accent)}
.cta-secondary:hover{background:rgba(0,209,255,.06);box-shadow:0 8px 30px rgba(0,209,255,.15)}

/* Stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;max-width:600px}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-num{font-family:var(--font-head);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:var(--accent);line-height:1}
.stat-plus{font-family:var(--font-head);font-size:clamp(1rem,2vw,1.4rem);font-weight:600;color:var(--accent);vertical-align:super}
.stat-label{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-dim)}

/* Scroll cue */
#scroll-cue{position:fixed;bottom:40px;left:50%;transform:translateX(-50%);z-index:35;display:flex;flex-direction:column;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);transition:opacity .5s}
#scroll-cue.hidden{opacity:0;pointer-events:none}
.scroll-mouse{width:20px;height:32px;border:1.5px solid rgba(255,255,255,.15);border-radius:10px;display:flex;justify-content:center;padding-top:7px}
.scroll-wheel{width:2px;height:6px;border-radius:2px;background:var(--accent);animation:wheel 2s ease-in-out infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}50%{transform:translateY(6px);opacity:.2}100%{transform:translateY(0);opacity:1}}

/* ═══════════════════ SECTION 2 — AULA ═══════════════════ */
#aula-section{position:relative;z-index:40;background:var(--bg);border-top:1px solid rgba(255,255,255,.04);padding:clamp(80px,12vw,160px) 0}

/* Blueprint grid background */
#aula-section::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,209,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,209,255,.015) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}

.section-inner{max-width:1200px;margin:0 auto;padding:0 clamp(24px,5vw,80px)}

.section-tag{display:inline-block;font-family:var(--font-mono);font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;padding:4px 12px;border:1px solid var(--accent-dim);border-radius:4px}

.aula-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:center}

.aula-text h2{font-family:var(--font-head);font-size:clamp(1.6rem,3.5vw,2.8rem);font-weight:700;line-height:1.15;letter-spacing:-.02em;margin-bottom:28px}
.aula-text h2 em{font-style:normal;color:var(--accent)}

.aula-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.aula-list li{display:flex;align-items:center;gap:12px;font-size:.92rem;color:var(--text-dim)}
.aula-list li svg{color:var(--accent);flex-shrink:0}

.aula-meta{display:flex;gap:24px;margin-bottom:28px;font-size:.82rem;color:var(--text-dim)}
.aula-meta strong{color:var(--text);font-weight:600}

/* Player Terminal */
.player-terminal{border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.06);background:var(--surface)}
.terminal-bar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--surface-2);border-bottom:1px solid rgba(255,255,255,.04)}
.terminal-dots{display:flex;gap:6px}
.terminal-dots span{width:8px;height:8px;border-radius:50%;background:var(--surface-3)}
.terminal-dots span:first-child{background:#ff5f57}
.terminal-dots span:nth-child(2){background:#ffbd2e}
.terminal-dots span:nth-child(3){background:#28c840}
.terminal-title{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;color:var(--text-dim);text-transform:uppercase}

.terminal-screen{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--surface) 0%,#0d1520 100%);display:flex;align-items:center;justify-content:center}
.play-btn-wrap{position:relative;z-index:2}
.play-btn{width:64px;height:64px;border-radius:50%;border:2px solid var(--accent);background:rgba(0,209,255,.08);color:var(--accent);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .3s,box-shadow .3s,background .3s}
.play-btn:hover{transform:scale(1.1);background:rgba(0,209,255,.15);box-shadow:0 0 40px rgba(0,209,255,.25)}

.terminal-overlay-data{position:absolute;bottom:12px;left:16px;right:16px;display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.55rem;letter-spacing:.1em;color:rgba(0,209,255,.35)}

/* ═══════════════════ SECTION 3 — MÓDULOS ═══════════════════ */
#modulos-section{position:relative;z-index:40;background:var(--surface);padding:clamp(80px,12vw,160px) 0;border-top:1px solid rgba(255,255,255,.04)}

.modulos-title{font-family:var(--font-head);font-size:clamp(2rem,5vw,3.8rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin-bottom:clamp(40px,6vw,72px)}

.modules-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:60px}

.mod-card{position:relative;padding:32px 28px;border-radius:12px;background:var(--surface-2);border:1px solid rgba(255,255,255,.04);cursor:default;transition:transform .35s,border-color .35s,box-shadow .35s;overflow:hidden}
.mod-card::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(0,209,255,.06),transparent 70%);opacity:0;transition:opacity .35s}
.mod-card:hover{transform:translateY(-4px);border-color:rgba(0,209,255,.15);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.mod-card:hover::before{opacity:1}

.mod-num{font-family:var(--font-head);font-size:3.2rem;font-weight:800;color:rgba(255,255,255,.04);line-height:1;position:absolute;top:16px;right:20px;transition:color .35s}
.mod-card:hover .mod-num{color:rgba(0,209,255,.1)}

.mod-icon{width:40px;height:40px;color:var(--accent);margin-bottom:20px;opacity:.7;transition:opacity .3s}
.mod-icon svg{width:100%;height:100%}
.mod-card:hover .mod-icon{opacity:1}

.mod-card h3{font-family:var(--font-head);font-size:1.05rem;font-weight:600;margin-bottom:8px;letter-spacing:-.01em}
.mod-card p{font-size:.82rem;line-height:1.55;color:var(--text-dim)}

.modulos-cta-wrap{text-align:center}

/* ═══════════════════ SECTION 4 — OFERTA / PREÇO ═══════════════════ */
#pricing-section{position:relative;z-index:40;background:var(--bg);padding:clamp(80px,12vw,140px) 0;border-top:1px solid rgba(255,255,255,.04)}
.pricing-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.pricing-content h2{font-family:var(--font-head);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin-bottom:24px}
.pricing-content h2 em{font-style:normal;color:var(--accent)}
.pricing-content p{font-size:1rem;line-height:1.6;color:var(--text-dim);margin-bottom:32px;max-width:500px}
.pricing-features{list-style:none;display:flex;flex-direction:column;gap:16px}
.pricing-features li{display:flex;align-items:center;gap:12px;font-size:.95rem;color:var(--text-dim)}
.pricing-features li svg{width:20px;height:20px;flex-shrink:0}

.pricing-card{background:var(--surface-2);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:40px;position:relative;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.5)}
.pricing-card::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at top, rgba(0,209,255,.08) 0%, transparent 60%);pointer-events:none}
.price-tag{display:inline-block;font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(0,209,255,.06);border:1px solid rgba(0,209,255,.15);padding:4px 12px;border-radius:4px;margin-bottom:24px}
.price-value{display:flex;align-items:flex-start;gap:6px;margin-bottom:8px}
.price-currency{font-family:var(--font-head);font-size:1.2rem;font-weight:600;color:var(--text-dim);margin-top:6px}
.price-amount{font-family:var(--font-head);font-size:4.5rem;font-weight:800;line-height:1;color:var(--text);letter-spacing:-.03em}
.price-cash{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:32px;font-weight:500}
.cta-full{width:100%;justify-content:center;padding:16px;font-size:1rem}

/* ═══════════════════ SECTION 5 — INSTRUTOR ═══════════════════ */
#instructor-section{position:relative;z-index:40;background:var(--surface);padding:clamp(60px,10vw,120px) 0;border-top:1px solid rgba(255,255,255,.04)}
.instructor-box{background:var(--surface-2);border:1px solid rgba(255,255,255,.04);border-radius:16px;display:flex;position:relative;overflow:hidden;align-items:stretch}
.instructor-box::before{content:'';position:absolute;right:0;bottom:0;width:400px;height:400px;background:radial-gradient(circle at bottom right, rgba(0,209,255,.05), transparent 70%);pointer-events:none}
.instructor-photo{flex-shrink:0;width:340px;position:relative;z-index:2;background:var(--surface-3);border-right:1px solid rgba(255,255,255,.04)}
.instructor-photo img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.instructor-info{padding:50px;max-width:600px;position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center}
.instructor-info h2{font-family:var(--font-head);font-size:2.2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}
.instructor-title{display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:24px}
.instructor-info p{font-size:1rem;line-height:1.7;color:var(--text-dim);margin-bottom:32px}
.social-links{display:flex;gap:20px}
.social-links a{font-family:var(--font-head);font-size:.85rem;font-weight:600;color:var(--text-muted);text-decoration:none;transition:color .2s}
.social-links a:hover{color:var(--accent)}

/* ═══════════════════ SECTION 6 — FAQ ═══════════════════ */
#faq-section{position:relative;z-index:40;background:var(--bg);padding:clamp(80px,12vw,140px) 0;border-top:1px solid rgba(255,255,255,.04)}
.faq-title{font-family:var(--font-head);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-.02em;text-align:center;margin-bottom:60px}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface-2);border:1px solid rgba(255,255,255,.04);border-radius:12px;overflow:hidden;transition:background .2s}
.faq-item:hover{background:var(--surface-3)}
.faq-item summary{font-family:var(--font-head);font-size:1.05rem;font-weight:600;padding:24px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.4rem;font-weight:400;color:var(--accent);transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-content{padding:0 24px 24px 24px;font-size:.9rem;line-height:1.6;color:var(--text-dim)}

/* ═══════════════════ FOOTER ═══════════════════ */
#site-footer{position:relative;z-index:40;background:var(--bg);padding:40px 0;text-align:center;border-top:1px solid rgba(255,255,255,.04)}
#site-footer p{font-size:.72rem;color:var(--text-muted);letter-spacing:.04em}

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media(max-width:900px){
  .aula-grid{grid-template-columns:1fr}
  .modules-grid-3{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .pricing-grid{grid-template-columns:1fr;gap:40px}
  .instructor-box{flex-direction:column;text-align:center}
  .instructor-photo{width:100%;height:300px;border-right:none;border-bottom:1px solid rgba(255,255,255,.04)}
  .instructor-info{padding:40px;align-items:center}
  .social-links{justify-content:center}
}
@media(max-width:600px){
  .modules-grid-3{grid-template-columns:1fr}
  .hero-stage{padding:2rem clamp(1.5rem,5vw,3rem)}
  .hud-corner{width:24px;height:24px}
  .hud-coord{font-size:.5rem}
  #progress-track{right:10px;height:60px}
  .instructor-box{padding:30px}
}