/* ══════════════════════════════════════════════════════════════════════
   ACADEMIA DE ROBÓTICA · COLÉGIO FREI CRISTÓVÃO
   PROJECT 01 // BETA — folha de estilo principal
   ─────────────────────────────────────────────────────────────────────
   ÍNDICE
   01. Design tokens
   02. Reset e base
   03. Utilitários (wrap, mono, tag, reveal, quote)
   04. Texturas (grain, vinheta) e cursor
   05. Boot / sequência de entrada
   06. Navegação + menu fullscreen
   07. Rail de níveis + level flash
   08. Hero
   09. Level 01 — Pilares
   10. Level 02 — Protocolo
   11. Level 03 — Laboratório (cadeia de sinal, áreas, plate)
   12. Level 04 — BETA + Primeira geração
   13. Level 05 — Traits, terminal, roadmap
   14. CTA + Footer
   15. Responsivo
   16. Acessibilidade / prefers-reduced-motion / print
   ══════════════════════════════════════════════════════════════════════ */

/* ── 01. DESIGN TOKENS ──────────────────────────────────────────────
   O dourado institucional foi amostrado do logótipo oficial.
   NOTA: substituir --school-blue pelo azul institucional exato.     */
:root{
  /* superfícies */
  --background:      #0A0B0C;   /* carvão / preto industrial       */
  --background-deep: #050506;   /* fundo dos poços de profundidade */
  --surface:         #121416;   /* cinza metálico muito escuro     */
  --surface-2:       #191C1F;   /* painel elevado                  */
  --surface-3:       #22262A;   /* estado hover                    */

  /* texto */
  --text-primary:    #F2EFE9;   /* branco quente / marfim          */
  --text-secondary:  #9AA0A6;   /* cinza legível (7:1 no fundo)    */
  --text-tertiary:   #6A7075;   /* identificadores técnicos        */
  --text-dim:        #3D4247;   /* separadores tipográficos "//"   */

  /* identidade institucional (discreta)
     O dourado foi amostrado diretamente do logótipo oficial do Colégio.
     O azul continua a ser um valor provisório — substituir pelo oficial. */
  --school-blue:     #2C6BD6;
  --school-blue-dim: #17325F;
  --school-yellow:   #E0B000;   /* dourado institucional (do logótipo)  */
  --school-gold-lt:  #F6E09B;   /* extremo claro do gradiente do anel   */
  --school-yellow-dim:#5C4700;

  /* acento técnico */
  --accent:          #C8873A;   /* âmbar de instrumentação         */
  --ok:              #7FBF8A;

  /* linhas */
  --line:            rgba(242,239,233,.09);
  --line-strong:     rgba(242,239,233,.18);
  --line-faint:      rgba(242,239,233,.045);

  /* tipografia */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* escala tipográfica fluida */
  --fs-mono:   clamp(.625rem, .58rem + .18vw, .75rem);
  --fs-body:   clamp(1rem, .96rem + .2vw, 1.125rem);
  --fs-lead:   clamp(1.0625rem, .98rem + .5vw, 1.375rem);
  --fs-h3:     clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  --fs-h2:     clamp(2rem, 1.35rem + 2.6vw, 4rem);
  --fs-h1:     clamp(2.75rem, 1.4rem + 6.2vw, 8.5rem);
  --fs-mega:   clamp(6rem, 2rem + 22vw, 22rem);

  /* espaçamento */
  --space-1: .5rem;   --space-2: 1rem;   --space-3: 1.5rem;
  --space-4: 2rem;    --space-5: 3rem;   --space-6: 4rem;
  --space-7: 6rem;    --space-8: 9rem;   --space-9: 12rem;

  /* layout */
  --wrap: 1280px;
  --gutter: clamp(1.25rem, 4vw, 5rem);
  --rail-w: 120px;
  --nav-h: 68px;

  /* movimento */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur-fast: 180ms;
  --dur: 320ms;
  --dur-slow: 900ms;
}

/* ── 02. RESET E BASE ──────────────────────────────────────────────── */
*,*::before,*::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 24px);
}
body{
  margin:0;
  background:var(--background);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  font-weight:400;
  line-height:1.6;
  font-variation-settings:"wdth" 100;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.is-locked{ overflow:hidden; }
img,svg{ display:block; max-width:100%; }
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{ margin:0; }
ul,ol{ list-style:none; padding:0; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
::selection{ background:var(--school-blue); color:#fff; }

:focus-visible{
  outline:2px solid var(--school-yellow);
  outline-offset:3px;
  border-radius:2px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:400;
  background:var(--surface-2); color:var(--text-primary);
  padding:.75rem 1.25rem; font-family:var(--font-mono); font-size:.75rem;
  border:1px solid var(--line-strong);
}
.skip-link:focus{ left:1rem; top:1rem; }

/* ── 03. UTILITÁRIOS ───────────────────────────────────────────────── */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.mono{
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:400;
}
.dim{ color:var(--text-dim); }
.muted{ color:var(--text-secondary); }

.tag{
  display:inline-flex; align-items:center; gap:.6rem;
  color:var(--text-tertiary);
  padding:.4rem .75rem .4rem .55rem;
  border:1px solid var(--line);
  background:rgba(242,239,233,.02);
}
.tag__tick{
  width:6px; height:6px; background:var(--school-yellow);
  box-shadow:0 0 10px rgba(224,176,0,.6);
}
.dot{
  display:inline-block; width:5px; height:5px; border-radius:50%;
  background:var(--ok); margin-right:.55rem; vertical-align:middle;
}
.pulse{
  display:inline-block; width:6px; height:6px; border-radius:50%;
  background:var(--school-yellow); margin-right:.6rem;
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(224,176,0,.45); opacity:1; }
  50%    { box-shadow:0 0 0 7px rgba(224,176,0,0); opacity:.65; }
}

/* botões */
.btn{
  --btn-bg:transparent;
  position:relative; display:inline-flex; align-items:center; justify-content:center;
  min-height:52px; padding:0 1.75rem;
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.16em; text-transform:uppercase;
  border:1px solid var(--line-strong); background:var(--btn-bg);
  overflow:hidden; cursor:pointer;
  transition:border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn__label{ position:relative; z-index:2; display:block; transition:transform var(--dur) var(--ease-out), opacity 200ms var(--ease); }
.btn::after{
  content:attr(data-hover-label);
  position:absolute; inset:0; z-index:2;
  display:flex; align-items:center; justify-content:center;
  transform:translateY(105%); opacity:0;
  transition:transform var(--dur) var(--ease-out), opacity 200ms var(--ease);
}
.btn[data-hover-label]:hover .btn__label,
.btn[data-hover-label]:focus-visible .btn__label{ transform:translateY(-105%); opacity:0; }
.btn[data-hover-label]:hover::after,
.btn[data-hover-label]:focus-visible::after{ transform:translateY(0); opacity:1; }

.btn--primary{
  background:var(--text-primary); color:#0A0B0C; border-color:var(--text-primary);
}
.btn--primary:hover{ background:#fff; border-color:#fff; }
.btn--ghost{ color:var(--text-primary); }
.btn--ghost:hover{ border-color:var(--text-primary); background:rgba(242,239,233,.05); }
.btn--lg{ min-height:62px; padding:0 2.5rem; }

/* reveal */
.reveal{
  opacity:0;
  transform:translateY(22px);
  filter:blur(6px);
  transition:opacity 900ms var(--ease-out), transform 900ms var(--ease-out), filter 900ms var(--ease-out);
  transition-delay:var(--d,0ms);
  will-change:opacity,transform;
}
.reveal.is-in{ opacity:1; transform:none; filter:none; }

/* citações editoriais */
.quote{
  margin-top:clamp(4rem,9vw,8rem);
  padding-top:var(--space-5);
  border-top:1px solid var(--line);
  font-family:var(--font-display);
  font-size:clamp(1.5rem,1rem + 2.4vw,3rem);
  font-weight:400;
  line-height:1.15;
  letter-spacing:-.02em;
  max-width:22ch;
  font-variation-settings:"wdth" 92;
}
.quote--tight{ margin-top:clamp(3rem,6vw,5rem); }

/* ── 04. TEXTURAS E CURSOR ─────────────────────────────────────────── */
.grain{
  position:fixed; inset:-120px; z-index:300; pointer-events:none;
  opacity:.035; mix-blend-mode:screen;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  animation:grain 6s steps(6) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)} 20%{transform:translate(-6%,4%)}
  40%{transform:translate(4%,-5%)} 60%{transform:translate(-3%,-3%)}
  80%{transform:translate(5%,3%)} 100%{transform:translate(0,0)}
}
.vignette{
  position:fixed; inset:0; z-index:299; pointer-events:none;
  background:radial-gradient(ellipse at 50% 40%, transparent 35%, rgba(0,0,0,.55) 100%);
}

.cursor{ display:none; }
@media (hover:hover) and (pointer:fine){
  .cursor{
    display:block; position:fixed; top:0; left:0; z-index:350;
    pointer-events:none; mix-blend-mode:difference;
    transform:translate3d(-100px,-100px,0);
  }
  .cursor__dot{
    position:absolute; top:-2px; left:-2px; width:4px; height:4px;
    background:#F2EFE9; border-radius:50%;
  }
  .cursor__ring{
    position:absolute; top:-15px; left:-15px; width:30px; height:30px;
    border:1px solid rgba(242,239,233,.5); border-radius:50%;
    transition:transform 260ms var(--ease-out), border-color 260ms var(--ease), opacity 260ms var(--ease);
  }
  .cursor.is-active .cursor__ring{ transform:scale(1.7); border-color:var(--school-yellow); }
  .cursor.is-hidden{ opacity:0; }
}

/* ── 05. BOOT ──────────────────────────────────────────────────────── */
.boot{
  position:fixed; inset:0; z-index:500;
  display:grid; place-items:center;
  background:#050506;
  transition:opacity 700ms var(--ease), visibility 700ms;
}
.boot.is-done{ opacity:0; visibility:hidden; pointer-events:none; }
.boot__frame{ position:absolute; inset:clamp(14px,3vw,34px); }
.boot__corner{ position:absolute; width:22px; height:22px; border:1px solid rgba(242,239,233,.22); }
.boot__corner--tl{ top:0; left:0; border-right:0; border-bottom:0; }
.boot__corner--tr{ top:0; right:0; border-left:0; border-bottom:0; }
.boot__corner--bl{ bottom:0; left:0; border-right:0; border-top:0; }
.boot__corner--br{ bottom:0; right:0; border-left:0; border-top:0; }

.boot__inner{
  width:min(560px,86vw);
  display:flex; flex-direction:column; align-items:flex-start; gap:.9rem;
}
.boot__line,.boot__bar,.boot__meta,.boot__title,.boot__tag{
  opacity:0; transform:translateY(8px);
  transition:opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
}
.boot [data-boot].is-on{ opacity:1; transform:none; }
.boot__line{ font-family:var(--font-mono); font-size:.7rem; letter-spacing:.24em; text-transform:uppercase; color:var(--text-tertiary); }
.boot__bar{ width:100%; height:1px; background:var(--line); position:relative; margin:.5rem 0 .25rem; }
.boot__bar-fill{
  position:absolute; inset:0 auto 0 0; width:0%;
  background:linear-gradient(90deg,var(--school-blue),var(--school-yellow));
  transition:width 60ms linear;
}
.boot__meta{
  width:100%; display:flex; align-items:center; gap:.9rem;
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.24em; color:var(--text-secondary);
}
.boot__dots{ flex:1; height:1px; background:repeating-linear-gradient(90deg,var(--line-strong) 0 2px,transparent 2px 6px); }
.boot__title{
  margin-top:1.2rem;
  font-family:var(--font-display);
  font-size:clamp(2rem,1rem + 5vw,3.75rem);
  font-weight:600; line-height:.98; letter-spacing:-.035em;
  font-variation-settings:"wdth" 88;
  display:flex; flex-direction:column;
}
.boot__tag{ color:var(--text-secondary); font-size:1rem; }
.boot__skip{
  position:absolute; right:clamp(20px,4vw,44px); bottom:clamp(20px,4vw,44px);
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.2em;
  color:var(--text-tertiary); padding:.5rem .75rem;
  transition:color var(--dur) var(--ease);
}
.boot__skip:hover{ color:var(--text-primary); }

/* ── 06. NAVEGAÇÃO ─────────────────────────────────────────────────── */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:200;
  height:var(--nav-h);
  transition:background-color 500ms var(--ease), backdrop-filter 500ms var(--ease), border-color 500ms var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(10,11,12,.62);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  border-bottom-color:var(--line);
}
.nav__inner{
  height:100%;
  max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap:2rem;
}
.nav__brand{ display:flex; align-items:center; gap:.75rem; }
.nav__logo{
  width:30px; height:30px; object-fit:contain;
  opacity:.95; transition:opacity var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.nav__brand:hover .nav__logo{ opacity:1; filter:drop-shadow(0 0 8px rgba(224,176,0,.35)); }
.nav__logo.is-missing{
  /* placeholder até o logótipo oficial ser colocado em assets/logo-colegio.png */
  width:26px; height:26px;
  background:linear-gradient(140deg,var(--school-blue),var(--school-blue-dim));
  border:1px solid var(--line-strong);
}
.nav__brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.nav__brand-name{ font-size:.875rem; font-weight:500; letter-spacing:-.01em; }
.nav__brand-sub{ font-size:.6rem; color:var(--text-tertiary); letter-spacing:.2em; }

.nav__links{ display:flex; align-items:center; gap:.35rem; }
.nav__links a{
  position:relative; display:inline-flex; align-items:center; gap:.5rem;
  padding:.6rem .8rem; font-size:.8125rem; color:var(--text-secondary);
  transition:color var(--dur) var(--ease);
}
.nav__links a:hover,.nav__links a.is-current{ color:var(--text-primary); }
.nav__idx{ font-size:.55rem; color:var(--text-dim); letter-spacing:.16em; transition:color var(--dur) var(--ease); }
.nav__links a:hover .nav__idx,.nav__links a.is-current .nav__idx{ color:var(--school-yellow); }
.nav__links a::after{
  content:""; position:absolute; left:.8rem; right:.8rem; bottom:.35rem; height:1px;
  background:var(--school-yellow); transform:scaleX(0); transform-origin:left;
  transition:transform 420ms var(--ease-out);
}
.nav__links a:hover::after,.nav__links a.is-current::after{ transform:scaleX(1); }

.nav__right{ display:flex; align-items:center; gap:1rem; }
.nav__status{ color:var(--text-tertiary); white-space:nowrap; }
.nav__toggle{ display:none; width:44px; height:44px; align-items:center; justify-content:center; flex-direction:column; gap:6px; }
.nav__toggle span{ display:block; width:20px; height:1px; background:var(--text-primary); transition:transform 380ms var(--ease-out), opacity 200ms; }
.nav__toggle[aria-expanded="true"] span:first-child{ transform:translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child{ transform:translateY(-3.5px) rotate(-45deg); }

.nav__progress{
  position:absolute; left:0; bottom:-1px; height:1px; width:0%;
  background:linear-gradient(90deg,var(--school-blue),var(--school-yellow));
  opacity:.9;
}

/* menu fullscreen */
.menu{
  position:fixed; inset:0; z-index:199;
  background:rgba(5,5,6,.97);
  -webkit-backdrop-filter:blur(22px); backdrop-filter:blur(22px);
  display:flex; flex-direction:column; justify-content:center;
  padding:calc(var(--nav-h) + 2rem) var(--gutter) 2rem;
  opacity:0; transition:opacity 380ms var(--ease);
}
.menu[hidden]{ display:none; }
.menu.is-open{ opacity:1; }
.menu__grid{
  position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:linear-gradient(var(--line-faint) 1px,transparent 1px),linear-gradient(90deg,var(--line-faint) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse at 50% 50%,#000 20%,transparent 75%);
}
.menu__nav{ position:relative; display:flex; flex-direction:column; }
.menu__nav a{
  display:flex; align-items:baseline; gap:1rem;
  padding:1.1rem 0; border-bottom:1px solid var(--line);
  opacity:0; transform:translateY(14px);
  transition:opacity 460ms var(--ease-out), transform 460ms var(--ease-out), color var(--dur) var(--ease);
}
.menu.is-open .menu__nav a{ opacity:1; transform:none; }
.menu.is-open .menu__nav a:nth-child(1){ transition-delay:60ms; }
.menu.is-open .menu__nav a:nth-child(2){ transition-delay:110ms; }
.menu.is-open .menu__nav a:nth-child(3){ transition-delay:160ms; }
.menu.is-open .menu__nav a:nth-child(4){ transition-delay:210ms; }
.menu.is-open .menu__nav a:nth-child(5){ transition-delay:260ms; }
.menu__nav a span{ color:var(--text-dim); font-size:.6rem; min-width:5.5rem; }
.menu__nav a em{
  font-style:normal; font-family:var(--font-display);
  font-size:clamp(1.75rem,6vw,2.75rem); font-weight:500;
  letter-spacing:-.03em; font-variation-settings:"wdth" 90;
}
.menu__nav a:hover span{ color:var(--school-yellow); }
.menu__foot{
  position:relative; margin-top:2.5rem;
  display:flex; flex-direction:column; gap:1rem;
  color:var(--text-tertiary);
}
.menu__cta{ color:var(--school-yellow); letter-spacing:.16em; }

/* ── 07. RAIL DE NÍVEIS + LEVEL FLASH ──────────────────────────────── */
.rail{
  position:fixed; left:clamp(16px,2.4vw,40px); top:50%; transform:translateY(-50%);
  z-index:150; display:none;
}
.rail__line{
  position:absolute; left:5px; top:-24px; bottom:-24px; width:1px;
  background:linear-gradient(180deg,transparent,var(--line-strong) 12%,var(--line-strong) 88%,transparent);
}
.rail__list{ display:flex; flex-direction:column; gap:1.35rem; }
.rail__list a{ display:flex; align-items:center; gap:.85rem; }
.rail__list li::before{
  content:""; position:absolute; left:2px; width:7px; height:7px;
  border:1px solid var(--text-dim); background:var(--background);
  transform:translateY(.5rem); transition:all 420ms var(--ease);
}
.rail__list li{ position:relative; padding-left:1.5rem; }
.rail__list span{
  font-size:.6rem; color:var(--text-dim); letter-spacing:.16em;
  transition:color 420ms var(--ease);
}
.rail__list em{
  font-style:normal; font-family:var(--font-mono); font-size:.58rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--text-dim);
  opacity:0; transform:translateX(-6px);
  transition:opacity 420ms var(--ease), transform 420ms var(--ease-out), color 420ms var(--ease);
}
.rail__list li:hover em{ opacity:1; transform:none; color:var(--text-tertiary); }
.rail__list li.is-active::before{ background:var(--school-yellow); border-color:var(--school-yellow); box-shadow:0 0 10px rgba(224,176,0,.5); }
.rail__list li.is-active span{ color:var(--text-primary); }
.rail__list li.is-active em{ opacity:1; transform:none; color:var(--text-secondary); }

.level-flash{
  position:fixed; z-index:151; left:50%; top:50%;
  transform:translate(-50%,-50%);
  display:flex; align-items:baseline; gap:.9rem;
  padding:1rem 1.6rem;
  border:1px solid var(--line-strong);
  background:rgba(5,5,6,.72);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  opacity:0; pointer-events:none;
  transition:opacity 400ms var(--ease);
}
.level-flash.is-on{ opacity:1; }
.level-flash__label{ color:var(--text-dim); }
.level-flash__num{
  font-family:var(--font-display); font-size:2.25rem; font-weight:600;
  line-height:1; letter-spacing:-.04em; font-variation-settings:"wdth" 82;
}
.level-flash__name{ color:var(--school-yellow); }

/* ── 08. HERO ──────────────────────────────────────────────────────── */
.hero{
  position:relative;
  min-height:100svh;
  display:flex; align-items:center;
  padding:calc(var(--nav-h) + 4rem) 0 6rem;
  overflow:hidden;
  isolation:isolate;
}
.hero__depth{ position:absolute; inset:0; z-index:-1; background:var(--background-deep); }
.hero__glow{
  position:absolute; left:50%; top:18%; width:min(1100px,120vw); aspect-ratio:1;
  transform:translate(-50%,-30%);
  background:radial-gradient(circle,rgba(44,107,214,.11) 0%,rgba(44,107,214,.04) 32%,transparent 62%);
  filter:blur(20px);
}
.hero__shaft{
  position:absolute; top:-10%; height:130%; width:min(420px,55vw);
  background:linear-gradient(180deg,rgba(242,239,233,.055),transparent 72%);
  filter:blur(28px);
}
.hero__shaft--a{ left:8%; transform:rotate(6deg); }
.hero__shaft--b{ right:4%; transform:rotate(-8deg); opacity:.6; }
.hero__grid{
  position:absolute; inset:0;
  background-image:linear-gradient(var(--line-faint) 1px,transparent 1px),linear-gradient(90deg,var(--line-faint) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 45%,#000 10%,transparent 80%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 45%,#000 10%,transparent 80%);
}
.hero__struct{ position:absolute; inset:0; opacity:.55; }
.hero__struct svg{ width:100%; height:100%; }

.hero__wrap{
  display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(2rem,5vw,5rem); align-items:center;
}
.hero__copy{ max-width:38rem; }
.hero__title{
  margin:1.75rem 0 1.25rem;
  font-family:var(--font-display);
  font-size:var(--fs-h1);
  font-weight:600; line-height:.9; letter-spacing:-.045em;
  font-variation-settings:"wdth" 84;
  text-transform:none;
}
.hero__title .line{ display:block; }
.hero__title .line:last-child{ color:var(--text-secondary); }
.hero__headline{
  font-family:var(--font-display);
  font-size:clamp(1.25rem,.9rem + 1.4vw,1.875rem);
  font-weight:400; line-height:1.2; letter-spacing:-.02em;
  padding-left:1.15rem; border-left:1px solid var(--school-yellow);
}
.hero__sub{
  margin-top:1.5rem; max-width:44ch;
  color:var(--text-secondary); font-size:var(--fs-lead); line-height:1.55;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:.75rem; margin-top:2.5rem; }
.hero__status{ margin-top:2rem; color:var(--text-tertiary); }

.hero__mark{ position:relative; display:flex; flex-direction:column; align-items:center; gap:1.25rem; }
.mark{ width:min(320px,80%); height:auto; overflow:visible; }
.mark__draw .d{ stroke:rgba(242,239,233,.5); stroke-width:1.1; }
.mark__draw .d2{ stroke:rgba(242,239,233,.24); stroke-width:1; }
.mark__draw path{
  stroke-dasharray:var(--len,900); stroke-dashoffset:var(--len,900);
  transition:stroke-dashoffset 1800ms var(--ease-out);
  transition-delay:var(--dd,0ms);
}
.mark.is-drawn .mark__draw path{ stroke-dashoffset:0; }
.mark__nodes circle{ fill:var(--school-yellow); opacity:0; transition:opacity 600ms var(--ease); transition-delay:1200ms; }
.mark.is-drawn .mark__nodes circle{ opacity:.9; }
.mark__nodes circle:nth-child(3){ fill:var(--school-blue); }
.mark__ring{ fill:none; stroke:rgba(242,239,233,.14); stroke-width:1; transform-origin:160px 260px; }
.mark.is-drawn .mark__ring{ animation:spin 90s linear infinite; }
.mark__teeth{ stroke:rgba(242,239,233,.2); }
@keyframes spin{ to{ transform:rotate(360deg); } }
.mark__labels text{
  font-family:var(--font-mono); font-size:9px; letter-spacing:.18em;
  fill:var(--text-dim); text-anchor:end;
}
.mark__scan{
  stroke:var(--school-blue); stroke-width:1; opacity:0;
}
.mark.is-drawn .mark__scan{ animation:scan 7s var(--ease) 2s infinite; }
@keyframes scan{
  0%{ transform:translateY(20px); opacity:0; }
  10%{ opacity:.55; }
  90%{ opacity:.15; }
  100%{ transform:translateY(460px); opacity:0; }
}
.hero__mark-cap{ color:var(--text-dim); }

.hero__scroll{
  position:absolute; left:50%; bottom:2rem; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.75rem;
  color:var(--text-tertiary); transition:color var(--dur) var(--ease);
}
.hero__scroll:hover{ color:var(--text-primary); }
.hero__scroll-line{ width:1px; height:44px; background:linear-gradient(180deg,var(--line-strong),transparent); position:relative; overflow:hidden; }
.hero__scroll-line::after{
  content:""; position:absolute; left:0; top:0; width:1px; height:14px;
  background:var(--school-yellow); animation:drop 2.4s var(--ease) infinite;
}
@keyframes drop{ 0%{ transform:translateY(-14px); opacity:0 } 30%{opacity:1} 100%{ transform:translateY(44px); opacity:0 } }

/* ── SECÇÕES / NÍVEIS ──────────────────────────────────────────────── */
.level{
  position:relative;
  padding-block:clamp(5rem,12vw,11rem);
  border-top:1px solid var(--line);
}
.level--alt{ background:linear-gradient(180deg,var(--background),#0C0E10 45%,var(--background)); }
.level__head{ max-width:56rem; }
.level__id{ display:inline-flex; align-items:center; gap:.55rem; color:var(--text-tertiary); }
.level__id-num{ color:var(--school-yellow); }
.level__title{
  margin:1.5rem 0 1.75rem;
  font-family:var(--font-display);
  font-size:var(--fs-h2);
  font-weight:600; line-height:.94; letter-spacing:-.04em;
  font-variation-settings:"wdth" 86;
  max-width:24ch;
  text-wrap:balance;
}
.level__title .line{ display:block; }
.level__lead{
  max-width:52ch; color:var(--text-secondary);
  font-size:var(--fs-lead); line-height:1.6;
}

/* ── 09. PILARES ───────────────────────────────────────────────────── */
.pillars{
  margin-top:clamp(3.5rem,8vw,6.5rem);
  border-top:1px solid var(--line);
}
.pillar{
  position:relative;
  display:grid;
  grid-template-columns:5.5rem minmax(0,14rem) minmax(0,1fr) 5rem;
  gap:clamp(1rem,3vw,3rem); align-items:start;
  padding:clamp(1.75rem,3.5vw,2.75rem) 0;
  border-bottom:1px solid var(--line);
  transition:background-color 500ms var(--ease);
}
.pillar::before{
  content:attr(data-coord);
  position:absolute; right:0; top:1.4rem;
  font-family:var(--font-mono); font-size:.58rem; letter-spacing:.16em;
  color:var(--text-dim); opacity:0; transform:translateX(-8px);
  transition:opacity 420ms var(--ease), transform 420ms var(--ease-out);
}
.pillar:hover{ background:linear-gradient(90deg,rgba(242,239,233,.03),transparent 65%); }
.pillar:hover::before{ opacity:1; transform:none; }
.pillar__num{
  font-size:.7rem; color:var(--text-dim); padding-top:.5rem;
  transition:color 420ms var(--ease);
}
.pillar:hover .pillar__num{ color:var(--school-yellow); }
.pillar__name{
  font-family:var(--font-display); font-size:var(--fs-h3);
  font-weight:500; line-height:1; letter-spacing:-.03em;
  font-variation-settings:"wdth" 88;
  text-transform:uppercase;
}
.pillar__text{ color:var(--text-secondary); max-width:46ch; }
.pillar__glyph{ color:var(--text-dim); justify-self:end; transition:color 420ms var(--ease); }
.pillar__glyph svg{ width:46px; height:46px; }
.pillar:hover .pillar__glyph{ color:var(--school-blue); }

/* ── 10. PROTOCOLO ─────────────────────────────────────────────────── */
.protocol{
  margin-top:clamp(3.5rem,8vw,6rem);
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px; background:var(--line);
  border:1px solid var(--line);
}
.proto{
  position:relative; background:var(--background);
  padding:clamp(1.5rem,3vw,2.25rem);
  min-height:210px;
  transition:background-color 500ms var(--ease);
}
.level--alt .proto{ background:#0A0C0E; }
.proto:hover{ background:var(--surface); }
.proto__rail{
  position:absolute; left:0; top:0; bottom:0; width:1px;
  background:linear-gradient(180deg,var(--school-yellow),rgba(224,176,0,.08) 72%,transparent);
  transform:scaleY(0); transform-origin:top;
  transition:transform 700ms var(--ease-out);
}
.proto.is-in .proto__rail{ transform:scaleY(1); }
.proto__id{ color:var(--text-dim); }
.proto__name{
  margin:1rem 0 .75rem;
  font-family:var(--font-display); font-size:1.375rem; font-weight:500;
  letter-spacing:-.02em; text-transform:uppercase;
  font-variation-settings:"wdth" 90;
}
.proto__text{ color:var(--text-secondary); font-size:.9375rem; line-height:1.55; }

/* ── 11. LABORATÓRIO ───────────────────────────────────────────────── */
.chain{ margin-top:clamp(3.5rem,8vw,6rem); }
.chain__svg{
  width:100%; height:auto; color:rgba(242,239,233,.42);
  overflow:visible;
}
.chain__wires .w{
  stroke:var(--line-strong);
  stroke-dasharray:88; stroke-dashoffset:88;
  transition:stroke-dashoffset 900ms var(--ease-out);
}
.chain.is-in .chain__wires .w{ stroke-dashoffset:0; }
.chain.is-in .chain__wires .w:nth-child(1){ transition-delay:300ms; }
.chain.is-in .chain__wires .w:nth-child(2){ transition-delay:600ms; }
.chain.is-in .chain__wires .w:nth-child(3){ transition-delay:900ms; }
.chain.is-in .chain__wires .w:nth-child(4){ transition-delay:1200ms; }
.chain__nodes .cn{ stroke:currentColor; opacity:0; transform:translateY(10px); transition:opacity 620ms var(--ease-out), transform 620ms var(--ease-out); }
.chain.is-in .chain__nodes .cn{ opacity:1; transform:none; }
.chain.is-in .cn[data-cn="1"]{ transition-delay:250ms; }
.chain.is-in .cn[data-cn="2"]{ transition-delay:500ms; }
.chain.is-in .cn[data-cn="3"]{ transition-delay:750ms; }
.chain.is-in .cn[data-cn="4"]{ transition-delay:1000ms; }
.chain__text text{
  font-family:var(--font-mono); font-size:10px; letter-spacing:.18em;
  fill:var(--text-tertiary);
}
.chain__pulse{ fill:var(--school-yellow); opacity:0; }
.chain.is-in .chain__pulse{ animation:travel 6s var(--ease) 1.6s infinite; }
@keyframes travel{
  0%{ transform:translateX(80px); opacity:0 }
  8%{ opacity:1 }
  92%{ opacity:1 }
  100%{ transform:translateX(1000px); opacity:0 }
}
.chain__cap{ margin-top:1rem; color:var(--text-dim); }

.areas{ margin-top:clamp(4rem,9vw,7rem); }
.areas__title{ color:var(--text-tertiary); padding-bottom:1rem; border-bottom:1px solid var(--line); }
.areas__list{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
}
.area{
  position:relative; padding:1.25rem 0; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  font-family:var(--font-display); font-size:clamp(1rem,.9rem + .5vw,1.375rem);
  font-weight:400; letter-spacing:-.015em;
  transition:color 400ms var(--ease), padding-left 400ms var(--ease-out);
}
.areas__list .area:nth-child(3n+2),.areas__list .area:nth-child(3n){ padding-left:clamp(1rem,3vw,2.5rem); }
.area::after{
  content:attr(data-code);
  font-family:var(--font-mono); font-size:.58rem; letter-spacing:.16em;
  color:var(--text-dim); padding-right:.25rem;
  transition:color 400ms var(--ease);
}
.area:hover{ color:#fff; }
.area:hover::after{ color:var(--school-yellow); }
.areas__note{ margin-top:1.5rem; color:var(--text-dim); text-transform:none; letter-spacing:.06em; line-height:1.7; max-width:60ch; }

.plate{ margin-top:clamp(4rem,9vw,7rem); }
.plate__box{ border:1px solid var(--line); background:var(--surface); }
.plate__ph{
  position:relative; aspect-ratio:16/9;
  display:grid; place-items:center;
  background:
    linear-gradient(135deg,rgba(44,107,214,.05),transparent 55%),
    repeating-linear-gradient(45deg,rgba(242,239,233,.018) 0 12px,transparent 12px 24px),
    var(--surface);
}
.plate__ph .mono{ color:var(--text-dim); text-align:center; padding:0 1rem; }
.plate__cross{
  position:absolute; inset:0;
  background:
    linear-gradient(to bottom right,transparent calc(50% - .5px),var(--line-faint) 50%,transparent calc(50% + .5px)),
    linear-gradient(to bottom left,transparent calc(50% - .5px),var(--line-faint) 50%,transparent calc(50% + .5px));
}
.plate figcaption{ margin-top:.85rem; color:var(--text-dim); font-family:var(--font-mono); font-size:var(--fs-mono); letter-spacing:.14em; text-transform:uppercase; }

/* ── 12. BETA ──────────────────────────────────────────────────────── */
.level--beta{ overflow:hidden; background:#08090A; }
.beta__bg{ position:absolute; inset:0; pointer-events:none; }
.beta__bg span{
  position:absolute; left:50%; top:35%; width:min(1200px,140vw); aspect-ratio:2/1;
  transform:translate(-50%,-50%);
  background:radial-gradient(ellipse,rgba(224,176,0,.075),transparent 62%);
  filter:blur(30px);
}
.beta__mono{ margin:clamp(2rem,5vw,4rem) 0 0; line-height:.78; }
.beta__word{
  display:block;
  font-family:var(--font-display);
  font-size:var(--fs-mega);
  font-weight:700; letter-spacing:-.06em;
  font-variation-settings:"wdth" 72;
  color:transparent;
  -webkit-text-stroke:1px rgba(242,239,233,.22);
  background:linear-gradient(180deg,rgba(242,239,233,.14),transparent 78%);
  -webkit-background-clip:text; background-clip:text;
}
.beta__title{ margin-top:clamp(1.5rem,4vw,3rem); max-width:20ch; }

.beta__why{ margin-top:clamp(3.5rem,8vw,6rem); }
.beta__why-title{ color:var(--school-yellow); padding-bottom:1rem; border-bottom:1px solid var(--line); }
.beta__list{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 clamp(2rem,6vw,5rem); }
.beta__list li{
  display:flex; gap:1rem; align-items:baseline;
  padding:1.15rem 0; border-bottom:1px solid var(--line);
  color:var(--text-secondary); font-size:1rem;
}
.beta__list li span{ color:var(--text-dim); font-size:.62rem; }

.note{
  margin-top:clamp(3rem,6vw,4.5rem);
  padding:clamp(1.5rem,3vw,2.25rem);
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(44,107,214,.07),rgba(242,239,233,.015));
  max-width:44rem;
}
.note__code{ color:var(--school-yellow); }
.note__text{ margin-top:.9rem; color:var(--text-primary); font-size:var(--fs-lead); line-height:1.5; }

.gen{ margin-top:clamp(4.5rem,10vw,8rem); padding-top:clamp(3rem,6vw,5rem); border-top:1px solid var(--line); }
.gen__title{
  font-family:var(--font-display);
  font-size:clamp(1.75rem,1.1rem + 2.6vw,3.5rem);
  font-weight:600; line-height:1; letter-spacing:-.038em;
  font-variation-settings:"wdth" 88;
  max-width:20ch;
}
.gen__title .line{ display:block; }
.gen__text{ margin-top:1.5rem; max-width:52ch; color:var(--text-secondary); font-size:var(--fs-lead); line-height:1.6; }
.gen__stats{
  margin-top:clamp(2.5rem,6vw,4rem);
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.gen__stat{ background:#0A0B0C; padding:clamp(1.25rem,3vw,2rem); }
.gen__stat dt{ color:var(--text-dim); }
.gen__val{
  margin-top:.75rem;
  font-family:var(--font-display);
  font-size:clamp(2rem,1.2rem + 3vw,4rem);
  font-weight:600; line-height:1; letter-spacing:-.045em;
  font-variation-settings:"wdth" 78;
  font-variant-numeric:tabular-nums;
}
.gen__val--text{
  font-family:var(--font-mono); font-size:clamp(1rem,.8rem + .9vw,1.5rem);
  letter-spacing:.08em; color:var(--school-yellow); font-weight:400;
}

/* ── 13. RECRUTAMENTO ──────────────────────────────────────────────── */
.traits{
  margin-top:clamp(3rem,7vw,5rem);
  display:flex; flex-wrap:wrap; gap:.6rem;
}
.trait{
  display:inline-flex; align-items:center; gap:.6rem;
  padding:.7rem 1.1rem;
  border:1px solid var(--line);
  color:var(--text-secondary); font-size:.9375rem;
  transition:border-color 400ms var(--ease), color 400ms var(--ease), background-color 400ms var(--ease);
}
.trait .mono{ color:var(--text-dim); }
.trait:hover{ border-color:var(--line-strong); color:var(--text-primary); background:rgba(242,239,233,.03); }

.term{
  margin-top:clamp(3.5rem,8vw,6rem);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#0C0E10,#08090A);
  max-width:46rem;
}
.term__bar{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:.85rem 1.1rem; border-bottom:1px solid var(--line);
  color:var(--text-tertiary); background:rgba(242,239,233,.02);
}
.term__body{ padding:clamp(1.1rem,3vw,1.75rem); }
.term__prompt{ color:var(--school-yellow); margin-right:.5rem; }
.term__cmd{ color:var(--text-secondary); text-transform:none; letter-spacing:.06em; }
.term__caret{
  display:inline-block; width:7px; height:1em; margin-left:.35rem;
  background:var(--school-yellow); vertical-align:-.15em;
  animation:blink 1.1s steps(2) infinite;
}
@keyframes blink{ 50%{ opacity:0 } }
.term__rows{ margin-top:1.25rem; display:flex; flex-direction:column; gap:.55rem; }
.term__rows li{
  color:var(--text-tertiary); letter-spacing:.1em;
  white-space:pre; overflow:hidden; text-overflow:ellipsis;
  opacity:0; transform:translateX(-6px);
  transition:opacity 380ms var(--ease), transform 380ms var(--ease-out);
}
.term__rows li.is-on{ opacity:1; transform:none; }
.term__rows b{ font-weight:400; color:var(--text-primary); }
.term__rows i{ font-style:normal; }
.term__rows i[data-v="req"]{ color:var(--school-yellow); }
.term__rows i[data-v="opt"]{ color:var(--text-secondary); }
.term__rows i[data-v="learn"]{ color:var(--school-blue); }
.term__result{
  margin-top:1.5rem; padding-top:1.1rem; border-top:1px solid var(--line);
  opacity:0; transform:translateY(6px);
  transition:opacity 500ms var(--ease), transform 500ms var(--ease-out);
  text-transform:none; letter-spacing:.1em;
}
.term__result.is-on{ opacity:1; transform:none; }
.term__ok{ color:var(--ok); letter-spacing:.18em; text-transform:uppercase; }

.road{ margin-top:clamp(4.5rem,10vw,8rem); }
.road__title{ color:var(--text-tertiary); padding-bottom:1rem; border-bottom:1px solid var(--line); }
.road__list{ position:relative; padding-top:1rem; }
.road__list::before{
  content:""; position:absolute; left:calc(3.5rem - .5px); top:0; bottom:2rem; width:1px;
  background:linear-gradient(180deg,var(--line-strong),var(--line) 70%,transparent);
}
.road__item{
  position:relative; display:grid;
  grid-template-columns:3.5rem minmax(0,1fr);
  gap:0 clamp(1.5rem,4vw,3rem);
  padding:1.75rem 0;
}
.road__num{ color:var(--text-dim); padding-top:.35rem; }
.road__dot{
  position:absolute; left:calc(3.5rem - 4px); top:calc(1.75rem + .3rem);
  width:8px; height:8px; background:var(--background);
  border:1px solid var(--text-dim);
  transition:all 500ms var(--ease);
}
.road__item.is-in .road__dot{ border-color:var(--school-blue); background:var(--school-blue); }
.road__name{
  grid-column:2;
  font-family:var(--font-display); font-size:clamp(1.125rem,.95rem + .8vw,1.75rem);
  font-weight:500; letter-spacing:-.025em; text-transform:uppercase;
  font-variation-settings:"wdth" 88;
}
.road__text{ grid-column:2; margin-top:.6rem; color:var(--text-secondary); max-width:52ch; }
.road__flag{
  grid-column:2; margin-top:1rem; display:inline-block; justify-self:start;
  padding:.4rem .7rem; border:1px dashed var(--school-yellow-dim);
  color:var(--school-yellow);
}
.road__item--pending .road__dot{ border-style:dashed; }
.road__item--pending.is-in .road__dot{ background:transparent; border-color:var(--school-yellow); }

/* ── 14. CTA + FOOTER ──────────────────────────────────────────────── */
.cta{
  position:relative; overflow:hidden;
  background:#050506;
  padding-block:clamp(6rem,15vw,13rem);
  border-top:1px solid var(--line);
  text-align:center;
}
.cta__bg{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 100%,rgba(44,107,214,.14),transparent 65%),
    linear-gradient(180deg,transparent,rgba(224,176,0,.03));
}
.cta__wrap{ position:relative; display:flex; flex-direction:column; align-items:center; }
.cta__title{
  margin:1.75rem 0 1.5rem;
  font-family:var(--font-display);
  font-size:var(--fs-h1);
  font-weight:600; line-height:.9; letter-spacing:-.05em;
  font-variation-settings:"wdth" 80;
  text-transform:uppercase;
}
.cta__title .line{ display:block; }
.cta__title .line:last-child{ color:var(--text-secondary); }
.cta__text{ font-size:var(--fs-lead); line-height:1.5; max-width:46ch; text-wrap:balance; }
.cta__actions{ margin-top:2.5rem; }
.cta__note{ margin-top:2rem; color:var(--text-dim); }

.foot{ background:var(--background); border-top:1px solid var(--line); padding-block:clamp(3rem,6vw,5rem); }
.foot__top{
  display:flex; flex-wrap:wrap; gap:2.5rem; justify-content:space-between; align-items:flex-start;
  padding-bottom:2.5rem; border-bottom:1px solid var(--line);
}
.foot__brand{ display:flex; flex-direction:column; gap:1.5rem; align-items:flex-start; }
.foot__logo{
  width:clamp(200px,22vw,264px); height:auto; object-fit:contain;
  opacity:.94; transition:opacity var(--dur) var(--ease);
}
.foot__brand:hover .foot__logo{ opacity:1; }
.foot__brand-text{ padding-top:1.25rem; border-top:1px solid var(--line); width:100%; max-width:264px; }
.foot__mark{ color:var(--school-yellow); letter-spacing:.22em; }
.foot__name{ margin-top:.5rem; font-family:var(--font-display); font-size:1.125rem; font-weight:500; letter-spacing:-.02em; }
.foot__id{ margin-top:.35rem; color:var(--text-dim); font-family:var(--font-mono); font-size:var(--fs-mono); letter-spacing:.14em; text-transform:uppercase; line-height:1.7; }
.foot__links{ display:flex; flex-wrap:wrap; gap:.35rem 2rem; }
.foot__links a{
  position:relative; color:var(--text-secondary); font-size:.9375rem; padding:.35rem 0;
  transition:color var(--dur) var(--ease);
}
.foot__links a::after{
  content:""; position:absolute; left:0; right:0; bottom:.1rem; height:1px;
  background:var(--school-yellow); transform:scaleX(0); transform-origin:right;
  transition:transform 420ms var(--ease-out);
}
.foot__links a:hover{ color:var(--text-primary); }
.foot__links a:hover::after{ transform:scaleX(1); transform-origin:left; }
.foot__bottom{
  margin-top:1.75rem; display:flex; flex-wrap:wrap; gap:1rem;
  justify-content:space-between; align-items:center; color:var(--text-dim);
}
.foot__copy{ text-transform:none; letter-spacing:.1em; }
.foot__status{ color:var(--text-tertiary); }

/* ── 15. RESPONSIVO ────────────────────────────────────────────────── */
@media (min-width:1180px){
  .rail{ display:block; }
  .wrap{ padding-left:max(var(--gutter),var(--rail-w)); }
  .cta__wrap{ padding-inline:var(--gutter); }
}
@media (max-width:1179px){
  .nav__links{ display:none; }
  .nav__toggle{ display:flex; }
}
@media (max-width:1024px){
  .hero__wrap{ grid-template-columns:1fr; }
  .hero__mark{ order:-1; align-items:flex-start; }
  .mark{ width:min(220px,55%); }
  .hero__mark-cap{ align-self:flex-start; }
  .protocol{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .areas__list{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .areas__list .area:nth-child(3n+2),.areas__list .area:nth-child(3n){ padding-left:0; }
  .areas__list .area:nth-child(2n){ padding-left:clamp(1rem,3vw,2rem); }
}
@media (max-width:860px){
  :root{ --nav-h:60px; }
  .nav__status{ display:none; }
  .pillar{ grid-template-columns:3rem minmax(0,1fr); }
  .pillar__glyph{ display:none; }
  .pillar__text{ grid-column:2; margin-top:.6rem; }
  .pillar::before{ display:none; }
  .beta__list{ grid-template-columns:1fr; }
  .gen__stats{ grid-template-columns:1fr; }
  .foot__top{ flex-direction:column; }
}
@media (max-width:640px){
  .hero{ min-height:auto; padding-top:calc(var(--nav-h) + 3rem); padding-bottom:5rem; }
  .hero__scroll{ display:none; }
  .hero__actions .btn{ width:100%; }
  /* No telemóvel o título lidera; a estrutura passa para baixo do bloco de texto. */
  .hero__mark{ order:0; margin-top:3rem; opacity:.75; }
  .mark{ width:132px; }
  .protocol{ grid-template-columns:1fr; }
  .proto{ min-height:0; }
  .areas__list{ grid-template-columns:1fr; }
  .areas__list .area:nth-child(2n){ padding-left:0; }
  .road__list::before{ left:calc(2rem - .5px); }
  .road__item{ grid-template-columns:2rem minmax(0,1fr); }
  .road__dot{ left:calc(2rem - 4px); }
  .cta__actions .btn{ width:100%; }
  .term__rows li{ font-size:.62rem; letter-spacing:.04em; }
  .beta__word{ -webkit-text-stroke-width:.75px; }
  .quote{ max-width:none; }
  .foot__copy{ letter-spacing:.04em; }
  .foot__brand-text{ max-width:none; }
}

/* Ecrãs muito pequenos: reduzir custo de composição */
@media (max-width:640px){
  .hero__shaft{ display:none; }
  .grain{ opacity:.025; animation:none; }
  .mark.is-drawn .mark__ring{ animation-duration:160s; }
}

/* ── 16. ACESSIBILIDADE / MOVIMENTO REDUZIDO ───────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{ opacity:1 !important; transform:none !important; filter:none !important; }
  .grain{ display:none; }
  .cursor{ display:none !important; }
  .level-flash{ display:none; }
  .mark__draw path{ stroke-dashoffset:0 !important; }
  .mark__nodes circle{ opacity:.9 !important; }
  .chain__wires .w{ stroke-dashoffset:0 !important; }
  .chain__nodes .cn{ opacity:1 !important; transform:none !important; }
  .chain__pulse{ display:none; }
  .term__rows li,.term__result{ opacity:1 !important; transform:none !important; }
  .proto__rail{ transform:scaleY(1) !important; }
  .boot{ display:none !important; }
}

@media (prefers-contrast:more){
  :root{
    --text-secondary:#C9CDD1;
    --text-tertiary:#A2A8AD;
    --line:rgba(242,239,233,.22);
    --line-strong:rgba(242,239,233,.4);
  }
}

@media print{
  .boot,.nav,.menu,.rail,.grain,.vignette,.cursor,.level-flash,.hero__depth{ display:none !important; }
  body{ background:#fff; color:#000; }
}