/* BIOHACK DIÁRIO NEON
   Layout: coluna única centralizada (máx. 480px), mobile-first a partir de 390px.
   Ordem fixa: assinatura, cérebro com órbitas e pilares, frase, TikTok, WhatsApp, Instagram, rodapé. */
:root {
  --bg: #030813;
  --bg-2: #071426;
  --white: #F5F8FF;
  --soft: #B9C5D7;
  --neon-blue: #00BFFF;
  --electric: #168BFF;
  --cyan: #42E5FF;
  --green: #00E6B2;
  --aqua: #2CE8D0;
  --purple: #9558FF;
  --font-logo: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Manrope", "Segoe UI", Roboto, Arial, sans-serif;
  --radius: 20px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  background: var(--bg); color: var(--white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Fundo ---------- */
#particles { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(70% 38% at 50% 26%, rgba(22,139,255,.13), transparent 70%),
    radial-gradient(50% 30% at 0% 100%, rgba(0,191,255,.08), transparent 70%),
    radial-gradient(50% 30% at 100% 100%, rgba(149,88,255,.07), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 60%, var(--bg) 100%);
}

.page {
  position: relative; z-index: 1;
  width: 100%; max-width: 480px; margin: 0 auto;
  padding-inline: 20px; padding-block: 26px 28px;
  display: flex; flex-direction: column; align-items: center;
}

/* ---------- 1. Assinatura ---------- */
.logo { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.logo h1 {
  margin: 0;
  font-family: var(--font-logo); font-weight: 500;
  font-size: clamp(1.9rem, 9vw, 2.5rem);
  letter-spacing: .1em; text-indent: .1em; /* centraliza compensando o tracking */
  line-height: 1;
  text-shadow: 0 0 14px rgba(0,191,255,.28);
}
.logo .diario {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--font-logo); font-weight: 400;
  font-size: clamp(.68rem, 2.9vw, .8rem);
  letter-spacing: .6em;
}
.logo .diario span { padding-left: .6em; } /* compensa o tracking final */
.logo .diario::before, .logo .diario::after {
  content: ""; width: clamp(34px, 12vw, 54px); height: 1px; background: var(--cyan);
  box-shadow: 0 0 6px rgba(66,229,255,.7);
}
.logo .diario::before { background: linear-gradient(90deg, transparent, var(--cyan)); }
.logo .diario::after  { background: linear-gradient(270deg, transparent, var(--cyan)); }

/* ---------- 2. Cérebro, órbitas e pilares (arte aprovada + rótulos em HTML) ---------- */
.hero {
  position: relative;
  width: 88%; max-width: 380px; margin-top: 12px;
}
.hero picture, .hero img { display: block; width: 100%; height: auto; }
.hero img {
  aspect-ratio: 1080 / 746;
  animation: glow 6s ease-in-out infinite;
}
.pillar-label {
  position: absolute; transform: translate(-50%, -50%);
  font-weight: 500; font-size: clamp(.6rem, 2.6vw, .74rem);
  letter-spacing: .16em; padding-left: .16em; white-space: nowrap;
  color: var(--white);
  text-shadow: 0 0 8px var(--bg), 0 0 2px var(--bg);
}
.pillar-label.sono    { left: 12.2%; top: 50.4%; }
.pillar-label.ciencia { left: 88.3%; top: 50.4%; }
.pillar-label.nutricao { position: static; transform: none; display: block; text-align: center; margin-top: 2px; }

/* ---------- 3. Frase ---------- */
.lead {
  margin: 10px 0 0; max-width: 22em; text-align: center; text-wrap: balance;
  font-size: clamp(.94rem, 4vw, 1.05rem); line-height: 1.5; font-weight: 400;
  color: #E9EEF8;
}

/* ---------- 4-6. Botões ---------- */
.links { list-style: none; margin: 20px 0 0; padding: 0; width: 100%; display: flex; flex-direction: column; gap: 12px; }
.btn {
  --c: var(--neon-blue);
  --tint: rgba(7,20,38,.92);
  position: relative; display: flex; align-items: center; gap: 14px;
  min-height: 72px; padding: 12px 18px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--tint), rgba(3,8,19,.94));
  border: 1px solid var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 55%, transparent);
  box-shadow: 0 0 16px -6px var(--c), inset 0 1px 0 rgba(255,255,255,.04);
  color: var(--white); text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: box-shadow .3s ease, border-color .3s ease, background-color .3s ease, transform .12s ease;
  cursor: pointer;
}
.btn:hover { border-color: color-mix(in srgb, var(--c) 85%, transparent); box-shadow: 0 0 22px -5px var(--c), inset 0 1px 0 rgba(255,255,255,.06); }
.btn:active { transform: scale(.985); border-color: var(--c); box-shadow: 0 0 26px -4px var(--c); transition-duration: .06s; }
.btn:focus-visible { outline: 2px solid var(--white); outline-offset: 3px; }

.btn .icon { flex: none; width: 42px; height: 42px; display: grid; place-items: center; }
.btn .icon svg { width: 34px; height: 34px; display: block; }
.btn .sep { flex: none; width: 1px; align-self: stretch; margin-block: 8px; background: var(--c); opacity: .5; background: linear-gradient(180deg, transparent, var(--c), transparent); }
.btn .txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.btn .t { font-size: 1.06rem; font-weight: 600; letter-spacing: .01em; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.btn .d { font-size: .84rem; color: var(--soft); }
.btn .go {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--c);
  color: var(--c);
}
.btn .go svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .3s ease; }
.btn:hover .go svg { transform: translateX(2px); }

.btn.tiktok    { --c: var(--neon-blue); --tint: rgba(7,22,44,.95); min-height: 78px; border-width: 1.5px;
                 box-shadow: 0 0 22px -6px var(--neon-blue), inset 0 1px 0 rgba(255,255,255,.05); }
.btn.tiktok .t { font-size: 1.14rem; }
.btn.whatsapp  { --c: #19E0C0; --tint: rgba(4,30,34,.92); }
.btn.instagram { --c: var(--purple); --tint: rgba(20,12,40,.9); }

/* Link ainda não configurado */
.btn.is-pending { cursor: not-allowed; }
.btn .pending {
  display: none; position: absolute; top: -10px; right: 16px;
  font-style: normal; font-size: .6rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 6px; color: #FFD166; background: var(--bg); border: 1px dashed rgba(255,209,102,.75);
}
.btn.is-pending .pending { display: inline-block; }

/* ---------- 7. Rodapé ---------- */
footer { margin-top: 26px; font-size: .74rem; letter-spacing: .14em; color: var(--soft); opacity: .75; }

/* ---------- Movimento ---------- */
.in { animation: rise .7s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--i, 0) * 80ms); }
@keyframes rise { from { opacity: .001; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes glow { 0%,100% { filter: brightness(.94); } 50% { filter: brightness(1.06); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
/* Telas baixas (iPhone SE, navegador interno do Instagram/TikTok): encolhe só o cérebro */
@media (max-height: 700px) and (max-width: 599px) {
  .hero { width: 74%; margin-top: 8px; }
  .page { padding-block: 18px 24px; }
}
@media (min-width: 600px) {
  .page { max-width: 480px; padding-block: 40px 40px; }
  .hero { width: 82%; }
}
@media (min-width: 1024px) and (min-height: 900px) { .page { padding-block: 64px 48px; } }