:root{
  --ink-900:#0A0A0A; --ink-800:#0F0F0F; --ink-700:#141414; --ink-600:#1C1C1C;
  --ink-500:#2A2A2A; --ink-400:#404040; --ink-300:#6A6A6A; --ink-200:#A8A8A8;
  --ink-100:#E3E3E3; --ink-050:#F5F5F5; --white:#FFFFFF;
  --gold-50:#FBF4D9; --gold-100:#F7E8AE; --gold-200:#F3DC83; --gold-300:#EFD06C;
  --gold-400:#EED66A; --gold-500:#D4B84E; --gold-600:#A8893C; --gold-700:#7A6428;
  --gold-800:#4D3F18; --gold-bright:#FDE176;
  --bg-page:var(--white); --text-primary:var(--ink-800); --text-secondary:var(--ink-300);
  --text-muted:#999; --border:#E5E5E5;
  --grad-gold:linear-gradient(135deg,#7A6428 0%,#C9A74E 35%,#FDE176 55%,#C9A74E 75%,#7A6428 100%);
  --grad-gold-soft:linear-gradient(90deg,#A8893C 0%,#EED66A 50%,#A8893C 100%);
  --grad-gold-bar:linear-gradient(90deg,#A8893C 0%,#EED66A 50%,#FDE176 100%);
  --grad-ink:linear-gradient(180deg,#141414 0%,#0A0A0A 100%);
  --grad-spotlight:radial-gradient(circle at 30% 20%,rgba(238,214,106,0.15),transparent 60%);
  --font-display:'Montserrat',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --r-xs:4px; --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px; --r-full:9999px;
  --shadow-md:0 4px 12px rgba(0,0,0,0.08); --shadow-lg:0 10px 30px rgba(0,0,0,0.10);
  --shadow-gold:0 8px 24px rgba(238,214,106,0.25); --shadow-glow:0 0 24px rgba(238,214,106,0.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:15px;line-height:1.6;color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* ===== HEADER ===== */
.header{background:rgba(15,15,15,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--ink-500);position:sticky;top:0;z-index:100;height:62px;display:flex;align-items:center}
.header-inner{max-width:1180px;margin:0 auto;padding:0 28px;width:100%;display:flex;align-items:center;gap:28px}
.header-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--white);font-family:var(--font-display);font-weight:800;font-size:15px;letter-spacing:-.01em}
.header-logo .dot{width:9px;height:9px;border-radius:50%;background:var(--grad-gold)}
.header-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.header-nav a{font-size:12.5px;font-weight:500;color:var(--ink-200);padding:7px 12px;border-radius:var(--r-sm);transition:all .2s}
.header-nav a:hover{color:var(--gold-400);background:rgba(238,214,106,0.08)}
.header-badge{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:6px 13px;background:rgba(238,214,106,0.12);color:var(--gold-400);border-radius:var(--r-full);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--gold-400);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(238,214,106,.7)}70%{box-shadow:0 0 0 9px rgba(238,214,106,0)}100%{box-shadow:0 0 0 0 rgba(238,214,106,0)}}

/* ===== LAYOUT ===== */
.container{max-width:1180px;margin:0 auto;padding:0 28px}
.section{padding:84px 0;position:relative}
.section-dark{background:var(--ink-800);color:var(--ink-100)}
.section-tint{background:var(--ink-050)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-600);margin-bottom:18px}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--grad-gold-soft)}
.section-dark .eyebrow{color:var(--gold-400)}
.s-title{font-family:var(--font-display);font-weight:800;font-size:40px;line-height:1.16;letter-spacing:-.02em;color:var(--ink-900)}
.section-dark .s-title{color:var(--white)}
.s-desc{font-size:16px;color:var(--text-secondary);margin-top:16px;max-width:640px;line-height:1.7}
.section-dark .s-desc{color:var(--ink-200)}
.gold-text{display:inline-block;padding:.06em .08em .1em;margin:-.06em -.06em -.1em;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;font-style:italic;line-height:inherit}

/* ===== HERO ===== */
.hero{background:var(--ink-800);color:var(--white);padding:78px 0 92px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:var(--grad-spotlight);pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--gold-400);margin-bottom:26px}
.hero-eyebrow::before{content:'';width:38px;height:1px;background:var(--grad-gold-soft)}
.hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(38px,5.4vw,68px);line-height:1.06;letter-spacing:-.035em;margin-bottom:22px}
.hero-sub{font-size:17px;color:var(--ink-200);max-width:500px;line-height:1.65;margin-bottom:30px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap}
.hero-meta-item{display:flex;flex-direction:column;gap:3px}
.hero-meta-item .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-300)}
.hero-meta-item .v{font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--gold-400)}

/* terminal */
.terminal{background:linear-gradient(180deg,#141414 0%,#0A0A0A 100%);border:1px solid var(--ink-500);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(238,214,106,.08);position:relative}
.terminal::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(238,214,106,.5),transparent)}
.terminal-head{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--ink-500);background:rgba(0,0,0,.3)}
.term-dot{width:10px;height:10px;border-radius:50%;background:var(--ink-400)}
.term-dot:nth-child(2){background:#5a4a1a}.term-dot:nth-child(3){background:var(--gold-600)}
.term-title{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--ink-300);letter-spacing:.08em}
.terminal-body{padding:20px;font-family:var(--font-mono);font-size:12.5px;line-height:1.75;color:var(--ink-200);overflow-x:auto}
.terminal-body .ln{white-space:pre}
.terminal-body .c-key{color:var(--gold-400)}
.terminal-body .c-str{color:#C9E5A9}
.terminal-body .c-cmt{color:var(--ink-400)}
.terminal-body .c-head{color:var(--gold-bright);font-weight:500}
.terminal-body .c-md{color:var(--ink-100)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:13.5px;padding:12px 24px;border-radius:var(--r-full);border:1px solid transparent;cursor:pointer;transition:all .25s cubic-bezier(.2,.8,.2,1);white-space:nowrap}
.btn-primary{background:var(--grad-gold);color:var(--ink-900);box-shadow:var(--shadow-gold);background-size:200% 100%}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:var(--shadow-glow)}
.btn-secondary{background:transparent;color:var(--white);border-color:var(--gold-400)}
.btn-secondary:hover{background:var(--gold-400);color:var(--ink-900)}

/* ===== BADGES ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--r-full);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.05em;font-weight:500}
.badge-gold{background:var(--gold-400);color:var(--ink-900)}
.badge-outline{background:transparent;color:var(--gold-600);border:1px solid var(--gold-500)}
.badge-soft{background:rgba(238,214,106,.15);color:var(--gold-700)}
.badge-ink{background:var(--ink-900);color:var(--gold-400)}
.section-dark .badge-soft{background:rgba(238,214,106,.14);color:var(--gold-300)}

/* ===== INTRO REFRAME ===== */
.reframe{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:44px}
.reframe-col{padding:34px}
.reframe-col.old{background:var(--ink-050)}
.reframe-col.new{background:var(--ink-800);color:var(--white)}
.reframe-tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;display:inline-block}
.reframe-col.old .reframe-tag{color:var(--text-muted)}
.reframe-col.new .reframe-tag{color:var(--gold-400)}
.reframe-col h3{font-family:var(--font-display);font-weight:700;font-size:21px;line-height:1.3;margin-bottom:10px}
.reframe-col.new h3{color:var(--white)}
.reframe-col p{font-size:14px;line-height:1.6;color:var(--text-secondary)}
.reframe-col.new p{color:var(--ink-200)}

/* ===== TIMELINE (roteiro) ===== */
.timeline{margin-top:8px;position:relative}
.tl-item{display:grid;grid-template-columns:120px 1fr;gap:28px;padding:22px 0;border-top:1px solid var(--ink-500);align-items:start}
.tl-item:first-child{border-top:none}
.tl-time{display:flex;align-items:center;gap:14px}
.tl-circle{width:54px;height:54px;border-radius:50%;background:var(--grad-gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:14px;color:var(--ink-900);flex-shrink:0;box-shadow:0 0 0 5px rgba(0,0,0,.4),0 0 0 6px rgba(238,214,106,.35)}
.tl-min{font-family:var(--font-mono);font-size:12px;color:var(--gold-400);letter-spacing:.05em;white-space:nowrap}
.tl-body h4{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--white);margin-bottom:6px}
.tl-body p{font-size:14px;color:var(--ink-200);line-height:1.6}
.tl-body .tl-tags{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}

/* ===== TWO-CARD (veículos) ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
.vehicle{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;transition:all .25s;position:relative;overflow:hidden}
.vehicle:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--gold-300)}
.vehicle-icon{width:46px;height:46px;border-radius:var(--r-md);background:var(--ink-900);display:flex;align-items:center;justify-content:center;color:var(--gold-400);margin-bottom:20px}
.vehicle-icon svg{width:24px;height:24px}
.vehicle h3{font-family:var(--font-display);font-weight:700;font-size:22px;margin-bottom:4px}
.vehicle .role{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-600);margin-bottom:16px}
.vehicle p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:18px}
.vehicle ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.vehicle li{font-size:13.5px;color:var(--ink-700);display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.vehicle li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold-500);margin-top:7px;flex-shrink:0}

/* ===== DEFINITION CALLOUT ===== */
.def{background:var(--ink-800);color:var(--white);border-radius:var(--r-lg);padding:42px 44px;position:relative;overflow:hidden;margin-top:8px}
.def::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-gold-bar)}
.def .def-q{font-family:var(--font-display);font-weight:800;font-size:clamp(24px,3vw,34px);line-height:1.25;letter-spacing:-.02em;max-width:880px}
.def .def-sub{font-size:15px;color:var(--ink-200);margin-top:18px;max-width:760px;line-height:1.7}

/* ===== ANALOGY CARDS ===== */
.analogy{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.an-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);padding:26px}
.an-emoji{font-size:26px;margin-bottom:14px;display:block}
.an-card h4{font-family:var(--font-display);font-weight:700;font-size:16px;margin-bottom:7px}
.an-card p{font-size:13.5px;color:var(--text-secondary);line-height:1.6}

/* ===== COMPARISON TABLE ===== */
.cmp-wrap{overflow-x:auto;margin-top:8px;border:1px solid var(--border);border-radius:var(--r-lg)}
table.cmp{width:100%;border-collapse:collapse;min-width:680px;background:var(--white)}
table.cmp th,table.cmp td{text-align:left;padding:16px 20px;font-size:13.5px;vertical-align:top;border-bottom:1px solid var(--border)}
table.cmp thead th{background:var(--ink-900);color:var(--white);font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.01em;border-bottom:none}
table.cmp thead th:first-child{color:var(--gold-400)}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp td:first-child{font-weight:600;color:var(--ink-900);font-family:var(--font-display)}
table.cmp tbody tr:hover{background:var(--ink-050)}
.cmp-hl{background:rgba(238,214,106,.08)!important}

/* ===== HOW THEY USE (two col dark) ===== */
.usegrid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
.use-card{background:var(--ink-700);border:1px solid var(--ink-500);border-radius:var(--r-lg);padding:30px}
.use-card .uh{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.use-card .uh .b{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--white)}
.use-step{display:flex;gap:14px;padding:12px 0;border-top:1px solid var(--ink-500)}
.use-step:first-of-type{border-top:none}
.use-num{font-family:var(--font-mono);font-size:12px;color:var(--gold-400);flex-shrink:0;width:18px}
.use-step .t{font-size:13.5px;color:var(--ink-100);line-height:1.55}
.use-step .t code{font-family:var(--font-mono);font-size:12px;background:var(--ink-900);color:var(--gold-300);padding:2px 7px;border-radius:var(--r-xs)}

/* ===== EXAMPLE SKILL CARDS ===== */
.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.skill-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:all .25s;display:flex;flex-direction:column}
.skill-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--gold-300)}
.skill-card-top{background:var(--grad-ink);padding:18px 22px;position:relative}
.skill-card-top::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(238,214,106,.16),transparent 60%);pointer-events:none}
.skill-file{font-family:var(--font-mono);font-size:12px;color:var(--gold-400);position:relative;z-index:1}
.skill-card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.skill-card-body h4{font-family:var(--font-display);font-weight:700;font-size:16.5px;margin-bottom:8px;line-height:1.3}
.skill-card-body p{font-size:13px;color:var(--text-secondary);line-height:1.55;margin-bottom:16px;flex:1}
.skill-meta{display:flex;flex-direction:column;gap:8px;padding-top:14px;border-top:1px solid var(--border)}
.skill-meta .row{display:flex;gap:8px;font-size:12px;line-height:1.45}
.skill-meta .row .lbl{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-600);flex-shrink:0;width:64px;padding-top:1px}
.skill-meta .row .val{color:var(--ink-700)}

/* ===== STEPS (criar skill) ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.step{position:relative;padding:26px 22px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-md)}
.step-n{font-family:var(--font-display);font-weight:800;font-size:34px;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;line-height:1;margin-bottom:12px}
.step h4{font-family:var(--font-display);font-weight:700;font-size:16px;margin-bottom:8px}
.step p{font-size:13px;color:var(--text-secondary);line-height:1.55}

/* ===== CHECKLIST (segurança) ===== */
.checks{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.check{display:flex;gap:14px;padding:18px 20px;background:var(--ink-700);border:1px solid var(--ink-500);border-radius:var(--r-md)}
.check .ci{width:26px;height:26px;border-radius:var(--r-sm);background:rgba(238,214,106,.14);color:var(--gold-400);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.check .ct h5{font-family:var(--font-display);font-weight:600;font-size:14.5px;color:var(--white);margin-bottom:4px}
.check .ct p{font-size:12.5px;color:var(--ink-200);line-height:1.5}

/* ===== EXERCISE ===== */
.exercise{background:linear-gradient(135deg,#1C1C1C 0%,#0A0A0A 100%);border:1px solid var(--gold-700);border-radius:var(--r-xl);padding:46px;position:relative;overflow:hidden;margin-top:8px}
.exercise::before{content:'';position:absolute;top:-40%;right:-10%;width:380px;height:380px;background:radial-gradient(circle,rgba(238,214,106,.12),transparent 70%);pointer-events:none}
.exercise .ex-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-400);margin-bottom:18px}
.exercise h3{font-family:var(--font-display);font-weight:800;font-size:28px;color:var(--white);margin-bottom:14px;letter-spacing:-.01em}
.exercise>p{font-size:15px;color:var(--ink-200);max-width:680px;line-height:1.7;margin-bottom:28px;position:relative}
.ex-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative}
.ex-block h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-400);margin-bottom:14px}
.ex-block ol{list-style:none;counter-reset:ex;display:flex;flex-direction:column;gap:11px}
.ex-block ol li{counter-increment:ex;font-size:14px;color:var(--ink-100);line-height:1.55;display:flex;gap:12px}
.ex-block ol li::before{content:counter(ex);font-family:var(--font-mono);font-size:11px;color:var(--ink-900);background:var(--gold-400);width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700}
.ex-block.tip{background:rgba(238,214,106,.06);border:1px solid var(--ink-500);border-radius:var(--r-md);padding:22px}
.ex-block.tip p{font-size:13.5px;color:var(--ink-200);line-height:1.6}

/* ===== FACILITATOR NOTE ===== */
.facil{display:flex;gap:16px;padding:20px 22px;background:rgba(238,214,106,.07);border-left:3px solid var(--gold-500);border-radius:0 var(--r-md) var(--r-md) 0;margin-top:30px}
.facil .fi{flex-shrink:0;color:var(--gold-600)}
.facil .ft .lbl{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-600);margin-bottom:5px;display:block}
.facil .ft p{font-size:13.5px;color:var(--ink-700);line-height:1.6}
.section-dark .facil{background:rgba(238,214,106,.08)}
.section-dark .facil .ft p{color:var(--ink-100)}

/* ===== TAKEAWAYS ===== */
.takeaways{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.take{padding:28px 24px;border:1px solid var(--ink-500);border-radius:var(--r-md);background:var(--ink-700)}
.take .tn{font-family:var(--font-mono);font-size:12px;color:var(--gold-400);letter-spacing:.12em;margin-bottom:14px}
.take p{font-size:14.5px;color:var(--ink-100);line-height:1.6}
.take p strong{color:var(--white);font-weight:600}

/* ===== FOOTER ===== */
.footer{background:var(--ink-900);color:var(--ink-300);padding:48px 0 32px;border-top:1px solid var(--ink-500)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-logo{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--white);display:flex;align-items:center;gap:10px}
.footer-logo .dot{width:9px;height:9px;border-radius:50%;background:var(--grad-gold)}
.footer-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-align:right;line-height:1.7}

/* utility */
.lead-block{max-width:720px;margin-bottom:44px}
.mt0{margin-top:0}

/* ===== RESPONSIVE ===== */

/* Tablet */
@media(max-width:1024px){
  .container,.header-inner{padding:0 22px}
  .hero-grid{gap:40px}
  .skill-grid,.analogy,.takeaways{grid-template-columns:repeat(2,1fr)}
  .s-title{font-size:34px}
}

/* Large phone / small tablet */
@media(max-width:880px){
  .header{height:56px}
  .header-nav{display:none}
  .hero-grid,.reframe,.duo,.usegrid,.ex-cols{grid-template-columns:1fr}
  .analogy,.skill-grid,.takeaways{grid-template-columns:1fr}
  .steps,.checks{grid-template-columns:1fr 1fr}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .s-title{font-size:30px}
  .section{padding:56px 0}
  .hero{padding:56px 0 64px}
  .exercise{padding:30px}
  .def{padding:32px 28px}
  .reframe{margin-top:32px}
}

/* Phone */
@media(max-width:600px){
  body{font-size:14.5px}
  .container,.header-inner{padding:0 18px}
  .header-inner{gap:14px}
  .header-logo{font-size:14px}
  .header-badge{font-size:9.5px;padding:5px 10px;gap:6px}

  .section{padding:46px 0}
  .lead-block{margin-bottom:30px}
  .s-title{font-size:26px;line-height:1.2}
  .s-desc,.hero-sub{font-size:15px}

  /* hero */
  .hero{padding:46px 0 52px}
  .hero-eyebrow{margin-bottom:18px;font-size:10px;letter-spacing:.18em}
  .hero h1{margin-bottom:18px}
  .hero-sub{margin-bottom:24px}
  .hero-meta{gap:16px 22px}
  .hero-meta-item .v{font-size:15px}

  /* terminals shrink + never overflow the screen */
  .terminal-body{font-size:11px;padding:16px;line-height:1.7}
  .term-title{font-size:10px;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* stacked grids → single column */
  .steps,.checks{grid-template-columns:1fr}

  /* spacing trims */
  .reframe{margin-top:26px}
  .reframe-col{padding:26px}
  .def{padding:28px 22px;border-radius:var(--r-md)}
  .def .def-q{font-size:22px;line-height:1.3}
  .def .def-sub{font-size:14px}
  .analogy{margin-top:26px;gap:14px}
  .vehicle,.use-card{padding:24px}
  .tl-circle{width:48px;height:48px;font-size:13px}
  .facil{padding:18px;gap:13px;margin-top:24px}
  .facil .ft p{font-size:13px}

  /* exercise */
  .exercise{padding:26px 22px;border-radius:var(--r-lg)}
  .exercise h3{font-size:23px}
  .exercise>p{font-size:14px;margin-bottom:22px}
  .ex-cols{gap:16px}

  /* table: clearer it scrolls */
  .cmp-wrap{position:relative}
  table.cmp th,table.cmp td{padding:13px 15px;font-size:13px}

  /* footer */
  .footer-inner{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-meta{text-align:left}
}

/* Small phone */
@media(max-width:380px){
  .container,.header-inner{padding:0 14px}
  .s-title{font-size:23px}
  .hero h1{font-size:34px}
  .hero-meta{gap:14px 18px}
  .hero-meta-item .k{font-size:9px}
  .terminal-body{font-size:10px;padding:14px}
  .def .def-q{font-size:20px}
  .exercise h3{font-size:21px}
  .tl-circle{width:44px;height:44px;font-size:12px}
}

@media print{
  .header{position:static}
  .vehicle:hover,.skill-card:hover{transform:none;box-shadow:none}
  .section{padding:40px 0;break-inside:avoid}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ============================================================
   HUB — Central de Aulas (componentes adicionais)
   ============================================================ */

/* back link no header das aulas */
.back-link{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-200);padding:6px 12px;border:1px solid var(--ink-500);border-radius:var(--r-full);transition:all .2s}
.back-link:hover{color:var(--gold-400);border-color:var(--gold-600)}
.back-link svg{width:13px;height:13px}

/* hero do hub */
.hub-hero{background:var(--ink-800);color:var(--white);padding:96px 0 84px;position:relative;overflow:hidden}
.hub-hero::before{content:'';position:absolute;inset:0;background:var(--grad-spotlight);pointer-events:none}
.hub-hero-inner{position:relative;z-index:2;max-width:780px}
.hub-hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(36px,5.2vw,62px);line-height:1.07;letter-spacing:-.035em;margin-bottom:22px}
.hub-hero p{font-size:18px;color:var(--ink-200);max-width:600px;line-height:1.65}
.hub-hero-meta{display:flex;gap:30px;flex-wrap:wrap;margin-top:34px}
.hub-hero-meta .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-300);display:block;margin-bottom:3px}
.hub-hero-meta .v{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--gold-400)}

/* grade de aulas */
.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:8px}
.lesson-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:all .25s;position:relative}
a.lesson-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold-300)}
.lesson-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--grad-ink);padding:20px 24px;position:relative}
.lesson-card-top::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(238,214,106,.16),transparent 60%);pointer-events:none}
.lesson-num{font-family:var(--font-display);font-weight:800;font-size:30px;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;line-height:1;position:relative;z-index:1}
.lesson-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.lesson-card-body h3{font-family:var(--font-display);font-weight:700;font-size:21px;line-height:1.25;margin-bottom:9px;color:var(--ink-900)}
.lesson-card-body p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:18px;flex:1}
.lesson-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.lesson-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--border)}
.lesson-cta{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-display);font-weight:600;font-size:13.5px;color:var(--gold-700)}
.lesson-cta svg{width:15px;height:15px;transition:transform .2s}
a.lesson-card:hover .lesson-cta svg{transform:translateX(3px)}
.lesson-duration{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);letter-spacing:.05em}

/* card travado (em breve) */
.lesson-card.locked{opacity:.62;cursor:default}
.lesson-card.locked .lesson-num{background:none;-webkit-text-fill-color:var(--ink-400);color:var(--ink-400)}
.lesson-card.locked .lesson-card-top{background:var(--ink-700)}
.lesson-card.locked .lesson-card-top::after{display:none}
.lesson-card.locked .lesson-cta{color:var(--text-muted)}

@media(max-width:880px){.hub-grid{grid-template-columns:1fr}.hub-hero{padding:64px 0 56px}}
@media(max-width:600px){.hub-hero{padding:52px 0 46px}.lesson-card-body{padding:20px}}