/* ============================================================
   Naga's Academy — Design Tokens v3 (Neo-brutalismo gamer Akali)
   Mobile-first. Dark base + neon Akali. Sombra DURA (zero glow).
   Regras: 3 cores na base + tints; borda grossa; radius ~0; ritmo claro<->escuro.
   ============================================================ */

:root {
  /* --- CORES (paleta travada: fundo + 2 acentos Akali + texto) --- */
  --bg:        #0A0B0F;   /* quase-preto, fundo principal */
  --bg-2:      #14161E;   /* elevacao por LUMINANCIA (nunca glow) */
  --bg-band:   #F3EFE6;   /* faixa CLARA (concreto) p/ ritmo claro<->escuro */
  --ink:       #F5F3EC;   /* off-white, texto sobre dark */
  --ink-dim:   #9CA0AC;   /* texto secundario sobre dark */
  --ink-dark:  #0A0B0F;   /* texto sobre faixa clara */

  --akali:     #FF2E7E;   /* ACENTO PRIMARIO: magenta Akali */
  --akali-2:   #25F2AD;   /* ACENTO SECUNDARIO: verde-neon (parcimonia) */
  --akali-ink: #0A0B0F;   /* texto sobre bloco de acento */

  /* --- BORDA / SOMBRA brutalista (dark => borda clara) --- */
  --border-w:  3px;
  --border:    var(--ink);            /* borda clara grossa sobre dark */
  --border-dark: #0A0B0F;             /* borda escura sobre faixa clara */
  --shadow-hard:   6px 6px 0 0 var(--akali);     /* offset solido, ZERO blur */
  --shadow-hard-2: 6px 6px 0 0 var(--akali-2);
  --shadow-ink:    6px 6px 0 0 var(--ink);
  --shadow-dark:   6px 6px 0 0 #0A0B0F;

  /* --- TIPOGRAFIA --- */
  --font-display: 'Anton', 'Archivo Black', 'Arial Narrow', sans-serif; /* condensada black */
  --font-body:    'Barlow', 'Inter', system-ui, sans-serif;
  --tr-display: -0.02em;   /* tracking apertado nos titulos */

  /* escala fluida mobile-first (clamp) */
  --fs-h1:    clamp(2.6rem, 11vw, 6rem);
  --fs-h2:    clamp(2rem, 7.5vw, 3.6rem);
  --fs-num:   clamp(3rem, 16vw, 8rem);   /* numero-peca gigante */
  --fs-kick:  clamp(.78rem, 3.2vw, .95rem);
  --fs-body:  clamp(1rem, 4.2vw, 1.18rem);
  --fs-small: clamp(.82rem, 3.4vw, .92rem);
  --lh-tight: 0.98;
  --lh-body:  1.5;

  /* --- ESPACO / GRID --- */
  --gutter:   5vw;          /* respiro lateral mobile (~90% conteudo) */
  --maxw:     1180px;
  --sec-pad:  clamp(3.5rem, 12vw, 7rem);  /* padding vertical de secao */
  --radius:   3px;          /* brutalista: quase reto */

  /* PADRÃO de imagem de prova no DESKTOP (evita print gigante / torre) */
  --proof-w:     360px;   /* print de depoimento/conta — retrato ou quadrado */
  --proof-wide:  720px;   /* leaderboard / tabela landscape (precisa largura p/ ler) */
  --proof-video: 300px;   /* vídeo vertical 9:16 */
  --grain:    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="120" height="120"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="2"/></filter><rect width="120" height="120" filter="url(%23n)" opacity="0.04"/></svg>');
}

/* ============ BASE ============ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; overflow-x: clip; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: var(--fs-body); line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip; /* rede de seguranca: mata scroll horizontal residual de decorativos (sem quebrar sticky) */
}
h1,h2,h3 { font-family: var(--font-display); font-weight: 400; line-height: var(--lh-tight); letter-spacing: var(--tr-display); text-transform: uppercase; margin: 0; text-wrap: balance; }
p { text-wrap: pretty; }
img { max-width: 100%; height: auto; display: block; }
/* prova: nunca esticar — manter proporcao natural sempre */
img.proof-img, .proof-img img, .proof img { height: auto !important; object-fit: contain; }
a { color: inherit; }

/* ============ HELPERS BRUTALISTAS ============ */
.wrap   { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section{ padding-block: var(--sec-pad); position: relative; }

/* ritmo claro<->escuro */
.band-dark  { background: var(--bg);      color: var(--ink); }
.band-elev  { background: var(--bg-2);    color: var(--ink); }
.band-light { background: var(--bg-band); color: var(--ink-dark); }
.band-akali { background: var(--akali);   color: var(--akali-ink); }

/* kicker (texto puro, sem pilula) */
.kicker { font-family: var(--font-body); font-weight: 800; text-transform: uppercase;
  letter-spacing: .14em; font-size: var(--fs-kick); color: var(--akali); }
.band-akali .kicker, .band-light .kicker { color: var(--ink-dark); }

/* cor na PALAVRA, nao no bloco */
.hl { color: var(--akali); }
.hl-2 { color: var(--akali-2); }

/* objeto colado: borda grossa + sombra dura (sem glow) */
.block { border: var(--border-w) solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-hard); background: var(--bg-2); }
.band-light .block { border-color: var(--border-dark); box-shadow: var(--shadow-dark); }

/* numero-peca */
.num { font-family: var(--font-display); font-size: var(--fs-num); line-height: .85; letter-spacing: -.03em; }

/* CTA brutalista: bloco retangular, borda, sombra dura, 1 linha */
.cta { display: inline-block; font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: .01em; font-size: clamp(1.05rem, 5vw, 1.4rem); white-space: nowrap;
  background: var(--akali); color: var(--akali-ink); border: var(--border-w) solid var(--ink);
  border-radius: var(--radius); padding: .7em 1.4em; box-shadow: var(--shadow-ink);
  text-decoration: none;
  transition: transform .08s ease, box-shadow .08s ease; cursor: pointer; }
.cta:hover { transform: translate(-2px,-2px); box-shadow: 9px 9px 0 0 var(--ink); }
.cta:active { transform: translate(3px,3px); box-shadow: 2px 2px 0 0 var(--ink); }
.cta--full { display: block; width: 100%; text-align: center; }

/* imagem de prova: borda+sombra no PROPRIO img, sem moldura dupla */
.proof-img { width: 100%; border: var(--border-w) solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-hard); }

/* divisor hairline (nao borda de card) */
.hair { border: 0; border-top: 1px solid color-mix(in srgb, var(--ink) 22%, transparent); margin: 0; }

/* grao sub-visivel (atras do conteudo) */
.grain::before { content:''; position:absolute; inset:0; background-image: var(--grain); pointer-events:none; z-index:0; }
.grain > * { position: relative; z-index: 1; }

/* ============ BREAKPOINTS (mobile-first) ============ */
@media (min-width: 768px) {
  :root { --gutter: 6vw; }
}
@media (min-width: 1024px) {
  :root { --gutter: 4vw; --shadow-hard: 8px 8px 0 0 var(--akali); --shadow-ink: 8px 8px 0 0 var(--ink); }
}

/* acessibilidade: reduzir movimento */
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }