/* ==========================================================================
   RemotusTV — Design system (tokens + primitivas)
   Estética: quase-preto + glow roxo, glassmorphism, bordas com brilho no
   centro (spotlight border) e spotlight que segue o mouse. Dark-first,
   com toggle claro. Accent roxo herdado do app (logo R neon).
   ========================================================================== */

/* ---- Tema ESCURO (padrão) ---------------------------------------------- */
:root,
:root[data-theme="dark"] {
  --bg:        #07070c;      /* fundo base quase-preto           */
  --bg-2:      #0b0b12;      /* superfícies                       */
  --fg:        #f4f4f8;      /* texto                             */
  --muted:     #9a9ab0;      /* texto secundário                  */
  --faint:     #6b6b82;      /* texto terciário                   */

  --line:      rgba(255,255,255,.09);   /* bordas neutras         */
  --line-2:    rgba(255,255,255,.06);
  --surface:   rgba(255,255,255,.03);   /* fundo de card          */
  --surface-2: rgba(255,255,255,.055);  /* hover                  */

  /* accent violeta ESCURO (do app / logo neon) — sem tom claro/lavanda */
  --accent:    #7c3aed;   /* violeta principal        */
  --accent-2:  #5b21b6;   /* violeta profundo         */
  --accent-3:  #7c3aed;   /* sem realce claro         */
  --accent-fg: #ffffff;
  --glow:      rgba(76,29,149,.4);       /* glow violeta escuro     */
  --orb-1:     #4c1d95;   /* orbs do fundo: violeta escuro */
  --orb-2:     #2e1065;   /* violeta bem escuro (direita)  */

  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 26px;

  --shadow:    0 10px 40px rgba(0,0,0,.5);
  --shadow-lg: 0 40px 120px rgba(0,0,0,.6);

  --maxw: 1140px;

  color-scheme: dark;
}

/* ---- Tema CLARO -------------------------------------------------------- */
:root[data-theme="light"] {
  --bg:        #f4f5fb;
  --bg-2:      #ffffff;
  --fg:        #14141f;
  --muted:     #55566a;
  --faint:     #8688a0;

  --line:      rgba(20,20,40,.12);
  --line-2:    rgba(20,20,40,.08);
  --surface:   rgba(255,255,255,.7);
  --surface-2: rgba(255,255,255,.95);

  --accent:    #6d28d9;
  --accent-2:  #5b21b6;
  --accent-3:  #6d28d9;
  --glow:      rgba(91,33,182,.24);
  --orb-1:     #7c3aed;
  --orb-2:     #5b21b6;

  --shadow:    0 10px 40px rgba(60,50,120,.14);
  --shadow-lg: 0 40px 120px rgba(60,50,120,.18);

  color-scheme: light;
}

/* segue o SO quando o usuário nunca escolheu tema */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg:#f4f5fb; --bg-2:#fff; --fg:#14141f; --muted:#55566a; --faint:#8688a0;
    --line:rgba(20,20,40,.12); --line-2:rgba(20,20,40,.08);
    --surface:rgba(255,255,255,.7); --surface-2:rgba(255,255,255,.95);
    --accent:#6d28d9; --accent-2:#5b21b6; --accent-3:#6d28d9; --glow:rgba(91,33,182,.24);
    --orb-1:#7c3aed; --orb-2:#5b21b6;
    --shadow:0 10px 40px rgba(60,50,120,.14); --shadow-lg:0 40px 120px rgba(60,50,120,.18);
    color-scheme:light;
  }
}

/* ---- Reset / base ------------------------------------------------------ */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100%;
  font-family: "Segoe UI Variable","Segoe UI",Inter,system-ui,-apple-system,Roboto,sans-serif;
  color: var(--fg); background: var(--bg);
  line-height: 1.6; letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { margin: 0; line-height: 1.12; font-weight: 700; letter-spacing: -.03em; }
/* headings com gradiente clipado precisam de folga p/ não cortar descendentes (g,y,p) */
h2.h, .hero h1 { line-height: 1.14; padding-bottom: .12em; }
::selection { background: color-mix(in srgb, var(--accent) 40%, transparent); color: #fff; }

/* ---- Fundo global: glow + grade sutil ---------------------------------- */
.bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: var(--bg); }
.bg::before {  /* glow roxo no topo */
  content: ""; position: absolute; left: 50%; top: -22vh; transform: translateX(-50%);
  width: 130vw; height: 80vh;
  background: radial-gradient(50% 50% at 50% 50%, var(--glow), transparent 70%);
  opacity: .5; filter: blur(20px); pointer-events: none;
}
.bg::after {  /* grade fina */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-2) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask: radial-gradient(80% 60% at 50% 0%, #000 0%, transparent 75%);
          mask: radial-gradient(80% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity: .5;
}
/* blobs suaves que derivam devagar */
.bg .orb { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .3; mix-blend-mode: screen; }
.bg .orb.a { width: 46vw; height: 46vw; left: -12vw; top: -6vw; background: var(--orb-1); animation: drift 22s ease-in-out infinite; }
.bg .orb.b { width: 38vw; height: 38vw; right: -14vw; top: 22vh; background: var(--orb-2); opacity: .42; animation: drift 26s ease-in-out infinite reverse; }
@keyframes drift {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(3vw,4vh) scale(1.08); }
}

/* ---- Layout ------------------------------------------------------------ */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .04em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 16px;
}
h2.h {
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  background: linear-gradient(180deg, var(--fg), color-mix(in srgb, var(--fg) 55%, transparent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 16px auto 0; max-width: 52ch; }
.section-head.left p { margin-left: 0; }

/* ---- Pílula / badge ---------------------------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 10px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  font-size: 13px; font-weight: 500; color: var(--muted);
  backdrop-filter: blur(10px);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; }

/* ==========================================================================
   GLOW CARD — borda com brilho no centro (spotlight border) + brilho no mouse
   ========================================================================== */
.glow-card {
  position: relative; border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 55%),
    var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), border-color .3s, background .3s;
}
/* highlight que corre a borda, mais forte no topo-centro */
.glow-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: radial-gradient(70% 140% at 50% 0%,
              color-mix(in srgb, var(--accent) 75%, #fff 25%), color-mix(in srgb, var(--accent) 30%, transparent) 38%, transparent 68%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none; opacity: .85;
}
/* spotlight que segue o cursor (--mx/--my setados via JS) */
.glow-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, -20%),
              color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.glow-card:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); transform: translateY(-3px); }
.glow-card:hover::after { opacity: 1; }

/* ---- Botões ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px; border-radius: var(--radius-sm); font-size: 14.5px; font-weight: 600;
  font-family: inherit; cursor: pointer; border: 1px solid var(--line);
  background: var(--surface); color: var(--fg); position: relative;
  transition: background .18s, border-color .18s, transform .08s, box-shadow .25s;
  backdrop-filter: blur(10px);
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(.97); }
.btn svg { width: 18px; height: 18px; }

/* botão principal chamativo com glow */
.btn.primary {
  color: var(--accent-fg); border-color: transparent;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow:
    0 1px 0 rgba(255,255,255,.16) inset,
    0 8px 24px color-mix(in srgb, var(--accent) 40%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent) 50%, transparent);
}
.btn.primary:hover {
  filter: brightness(1.1);
  box-shadow:
    0 1px 0 rgba(255,255,255,.18) inset,
    0 10px 34px color-mix(in srgb, var(--accent) 55%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent) 60%, transparent);
}
.btn.lg { padding: 15px 28px; font-size: 15.5px; border-radius: 14px; }
.btn.disabled, .btn:disabled { opacity: .5; pointer-events: none; filter: grayscale(.2); box-shadow: none; }
.btn .tag { font-size: 11px; font-weight: 600; opacity: .8; padding: 2px 7px; border-radius: 999px;
  background: rgba(255,255,255,.16); margin-left: 2px; }

/* ---- Utilitários ------------------------------------------------------- */
.muted { color: var(--muted); }
.center { text-align: center; }
.grad-text { background: linear-gradient(110deg, var(--accent-3), var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---- Lightbox (ampliar imagem) ----------------------------------------- */
.zoomable { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 6vh 6vw;
  background: rgba(6,4,14,.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.lightbox.open { display: flex; }
.lightbox .lb-img { max-width: min(90vw, 480px); max-height: 88vh; width: auto; height: auto;
  border-radius: 16px; border: 1px solid var(--line);
  box-shadow: var(--shadow-lg), 0 0 90px color-mix(in srgb, var(--accent) 45%, transparent);
  animation: lbPop .24s cubic-bezier(.2,.8,.2,1); }
.lightbox .lb-close {
  position: fixed; top: 20px; right: 24px; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; cursor: pointer; color: #fff;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(8px);
}
.lightbox .lb-close:hover { background: rgba(255,255,255,.18); }
.lightbox .lb-close svg { width: 22px; height: 22px; }
@keyframes lbPop { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: none; } }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bg .orb { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}