/* ==========================================================
   NIHANGUK PLAY — ESTILOS
   Cada bloco abaixo corresponde a uma SEÇÃO do index.html.

   ÍNDICE
   0. CORES E MEDIDAS (edite aqui para mudar o site todo)
   0.1 BASE (reset, container, textos gerais)
   1. CABEÇALHO
   2. HERO
   3. EXPERIÊNCIAS (cards)
   4. COMO FUNCIONA
   5. SOBRE / ECOSSISTEMA (seção neon)
   6. RODAPÉ
   7. RESPONSIVO (tablet e celular)
   ========================================================== */


/* ---------- 0. CORES E MEDIDAS ---------- */
:root{
  /* Site claro */
  --navy:#081d49;      /* azul escuro: cabeçalho, títulos */
  --blue:#0878f9;      /* azul de destaque */
  --cyan:#24c8ef;      /* ciano de destaque */
  --red:#f3214d;       /* vermelho dos botões principais */
  --ink:#17233c;       /* cor do texto */
  --muted:#65738b;     /* texto secundário */
  --paper:#f5f8ff;     /* fundo geral */
  --line:#dfe7f5;      /* bordas claras */

  /* Seção neon (5. Sobre) */
  --neon-cyan:#22d3ee;
  --neon-pink:#ff4fb8;
  --neon-bg:#070a2e;
  --neon-text:#cfd8ff; /* texto corrido sobre fundo escuro */
  --neon-sub:#7fd8ee;  /* frases pequenas dos benefícios */
}


/* ---------- 0.1 BASE ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}   /* impede o Chrome do celular de aumentar os textos sozinho */
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit}
.wrap{width:min(1160px,calc(100% - 36px));margin:auto}   /* largura máxima do conteúdo */

/* Estrutura comum às seções claras (3 e 4) */
.section{padding:62px 0}
.section-white{background:white;border-block:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:27px}
.section-head p{max-width:530px;color:var(--muted);margin:0}
.kicker{color:var(--blue);font-size:.77rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);line-height:1.12;letter-spacing:-.04em;color:var(--navy);margin:6px 0}

/* Botões (usados no hero) */
.btn{display:inline-block;text-decoration:none;font-weight:800;padding:12px 17px;border-radius:12px;border:1px solid transparent}
.btn-primary{background:linear-gradient(110deg,var(--red),#ff426f);color:white}
.btn-secondary{background:#ffffff0d;border-color:#b6d6ff70;color:white}


/* ---------- 1. CABEÇALHO ---------- */
.site-header{background:var(--navy);color:white}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;letter-spacing:.06em}
.brand img{width:52px;height:52px;object-fit:contain;background:white;border-radius:12px;padding:3px}   /* tamanho do logo */
.brand small{display:block;color:#b7d8ff;font-size:.64rem;letter-spacing:.16em;margin-top:3px}
.brand-accent{color:var(--cyan)}
.menu{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.menu-end{display:flex;align-items:center;gap:20px;flex-wrap:nowrap}   /* grupo Sobre + Explorar */
.menu a{text-decoration:none;font-size:.9rem;color:#e4edff}
.menu .menu-btn{background:var(--red);padding:8px 13px;border-radius:10px;font-weight:800}   /* botão "Explorar" */


/* ---------- 2. HERO ---------- */
.hero{position:relative;overflow:hidden;color:white;padding:70px 0;
  background:
    radial-gradient(ellipse at 80% 15%,#0878f955,transparent 34%),
    radial-gradient(ellipse at 10% 90%,#f3214d30,transparent 28%),
    linear-gradient(120deg,#07183d,#0a2860 60%,#081d49)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:42px}
.eyebrow{display:inline-block;border:1px solid #7abfff55;border-radius:30px;padding:6px 12px;color:#cce7ff;font-size:.77rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.hero h1{font-size:clamp(2.7rem,6vw,5.1rem);line-height:1;letter-spacing:-.055em;margin:22px 0 17px}
.hero h1 span{background:linear-gradient(90deg,#25c8f1,#1680ff 55%,#ff477a);color:transparent;background-clip:text;-webkit-background-clip:text}
.lead{max-width:620px;color:#d2e1f8;font-size:1.12rem;margin-bottom:25px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin-top:20px;color:#a9c7f1;font-size:.88rem}

/* Logo grande + etiquetas flutuantes */
.hero-art{position:relative;display:grid;place-items:center;min-height:330px}
/* Moldura do vídeo: border-radius = arredondamento das pontas; overflow:hidden recorta o vídeo nele */
.hero-logo{width:min(410px,100%);aspect-ratio:844/816;overflow:hidden;background:#0a2860;border:1px solid #ffffff35;border-radius:30px;box-shadow:0 28px 70px #0003;transform:rotate(1deg)}
.hero-logo video{display:block;width:100%;height:100%;object-fit:cover}
.float{position:absolute;background:#0d2a61;border:1px solid #ffffff40;border-radius:14px;padding:10px 13px;font-size:.83rem;font-weight:800;box-shadow:0 10px 30px #0003}
.float small{display:block;color:#b7d7ff;font-weight:500}
.float-music{top:20px;left:-8px}      /* etiqueta "Music Lab" */
.float-game{bottom:18px;right:-8px}   /* etiqueta "Game Zone" */


/* ---------- 3. EXPERIÊNCIAS (cards) ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:white;border:1px solid var(--line);border-radius:21px;padding:22px;min-height:270px;display:flex;flex-direction:column;box-shadow:0 8px 28px #10274708;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 38px #10274712}
.card-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#e7f2ff;color:var(--blue);font-size:1.55rem;margin-bottom:18px}
.card h3{color:var(--navy);font-size:1.1rem;margin:0 0 8px}
.card p{font-size:.92rem;color:var(--muted);margin:0 0 18px}
.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-link{font-weight:850;font-size:.88rem;color:var(--blue);text-decoration:none}
.tag{background:#f0f3f8;color:#64738a;padding:4px 7px;border-radius:20px;font-size:.66rem;font-weight:800;white-space:nowrap}   /* "Em breve" / "Em evolução" */
/* Cor do ícone de cada card */
.card-games .card-icon{background:#fff0f4;color:#e51d4d}
.card-practice .card-icon{background:#e8fbff;color:#087d9b}
.card-library .card-icon{background:#f0edff;color:#5b49c9}


/* ---------- 4. COMO FUNCIONA ---------- */
.how-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.how-grid p{color:var(--muted)}
.how-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.how-point{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:15px}
.how-point strong{display:block;color:var(--navy);font-size:.9rem}
.how-point span{color:var(--muted);font-size:.82rem}


/* ---------- 5. SOBRE / ECOSSISTEMA (seção neon) ---------- */
.eco{position:relative;overflow:hidden;color:white;padding:68px 0;
  background:
    radial-gradient(ellipse at 85% 85%,#7a2cff40,transparent 45%),
    radial-gradient(ellipse at 8% 8%,#1b3cff30,transparent 40%),
    linear-gradient(160deg,var(--neon-bg),#0b0f45 55%,#12093d)}
.eco-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}

/* 5A · Texto */
.eco-tag{display:inline-block;border:1.5px solid var(--neon-cyan);border-radius:999px;padding:6px 16px;color:var(--neon-cyan);font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.eco h2{color:white;font-size:clamp(2.2rem,4.6vw,3.3rem);line-height:1.08;margin:20px 0 16px}
.eco h2 span{display:block;padding-bottom:.16em;margin-bottom:-.16em;background:linear-gradient(90deg,var(--neon-cyan),#38a6ff);color:transparent;background-clip:text;-webkit-background-clip:text}   /* padding-bottom evita cortar a perninha do "g" */
.eco-desc{max-width:560px;color:var(--neon-text);font-size:1.02rem;margin:0 0 26px}
.eco-desc strong{color:white}

/* 5B · Lista de benefícios */
.eco-list{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:18px;max-width:560px}
.eco-list li{display:flex;align-items:center;gap:16px}
.eco-list h3{margin:0;font-size:1rem;color:white}
.eco-list p{margin:2px 0 0;font-size:.9rem;color:var(--neon-sub)}
.eco-icon{flex:none;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1.5px solid var(--neon-cyan);color:var(--neon-cyan);background:#22d3ee14;box-shadow:0 0 18px #22d3ee40}
.eco-icon svg{width:24px;height:24px}
.eco-icon-pink{border-color:var(--neon-pink);color:var(--neon-pink);background:#ff4fb814;box-shadow:0 0 18px #ff4fb840}

/* 5C · Botão */
.eco-btn{display:inline-flex;align-items:center;gap:12px;padding:14px 26px;border:1.5px solid var(--neon-cyan);border-radius:999px;color:white;font-weight:700;text-decoration:none;background:#22d3ee10;box-shadow:0 0 20px #22d3ee30;transition:.2s}
.eco-btn:hover,.eco-btn:focus-visible{background:var(--neon-cyan);color:var(--neon-bg)}
.eco-btn:focus-visible{outline:2px solid white;outline-offset:3px}

/* 5D · Ilustração (encostada no fundo da seção) */
.eco-art{position:relative;align-self:stretch;min-height:400px}
.eco-art svg{position:absolute;right:0;bottom:-68px;width:100%;height:auto}
.eco-petals use{animation:eco-drift 6s ease-in-out infinite alternate}   /* flores balançam devagar */
.eco-petals use:nth-child(even){animation-delay:-3s}
@keyframes eco-drift{from{transform:translateY(0)}to{transform:translateY(-6px)}}
@media (prefers-reduced-motion:reduce){.eco-petals use{animation:none}}


/* ---------- 6. RODAPÉ ---------- */
.site-footer{background:#061635;color:#c8d9f3;padding:26px 0;font-size:.88rem}
.footer-bar{display:flex;align-items:center;justify-content:space-between;gap:18px}
.footer-bar img{width:32px;height:32px;object-fit:contain;background:white;border-radius:8px;padding:2px;vertical-align:middle}
.footer-muted{color:#91acd4;font-size:.78rem}


/* ---------- 7. RESPONSIVO ---------- */
/* Tablet */
@media(max-width:950px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero-grid{gap:24px}
}
/* Celular */
@media(max-width:700px){
  .header-bar{align-items:flex-start;flex-direction:column}
  /* Menu em uma única linha no celular (inclui o botão Explorar ao lado do Sobre) */
  .menu{width:100%;justify-content:space-between;gap:10px clamp(8px,2.4vw,16px)}
  .menu-end{gap:clamp(8px,2.4vw,16px)}
  .menu a{white-space:nowrap;font-size:clamp(.72rem,3.4vw,.9rem)}
  .menu .menu-btn{padding:7px 10px}
  .hero-grid,.how-grid,.eco-grid{grid-template-columns:1fr}
  .hero{padding:48px 0}
  .hero-art{min-height:280px}
  .hero-logo{width:min(330px,84vw)}
  .section-head{align-items:flex-start;flex-direction:column}
  .footer-bar{align-items:flex-start;flex-direction:column}
  .eco{padding:52px 0 0}
  .eco-art{min-height:300px}
  .eco-art svg{bottom:0}
}
/* Celular pequeno */
@media(max-width:440px){
  .cards,.how-points{grid-template-columns:1fr}
  .card{min-height:230px}
  .float{font-size:.75rem}
  .float-music{left:0}
  .float-game{right:0}
}