/* =========================================================
   Block Puzzle Master — promo site styles
   Palette matches the game (nocturnal violet + candy toys).
   Tweak the tokens in :root to re-skin the whole site.
   ========================================================= */
:root{
  --bg:#12002f;
  --bg-2:#1a0940;
  --surface:#20124c;
  --surface-2:#2a1b5c;
  --hair:rgba(255,255,255,.10);
  --ink:#efe9ff;
  --muted:#b7a9e0;
  --primary:#ff914d;      /* amber */
  --primary-2:#ff6f91;    /* pink  */
  --cyan:#46e2f3;
  --gold:#ffe27a;
  --green:#6fe179;
  --purple:#a56bff;
  --radius:18px;
  --maxw:1160px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Nunito Sans',system-ui,sans-serif; line-height:1.65;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:var(--cyan); text-decoration:none}
img{max-width:100%; display:block}
h1,h2,h3{font-family:'Rubik',sans-serif; line-height:1.1; margin:0}
.container{max-width:var(--maxw); margin:0 auto; padding:0 22px}
.container.narrow{max-width:820px}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  font-family:'Rubik',sans-serif; font-weight:800; letter-spacing:.3px;
  border:none; border-radius:999px; padding:14px 24px; font-size:16px;
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:active{transform:translateY(2px)}
.btn-play{
  background:linear-gradient(180deg,#2b2b34,#0f0f16); color:#fff;
  box-shadow:0 8px 22px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.14);
}
.btn-play:hover{filter:brightness(1.12)}
.btn-play img{width:26px; height:26px}
.btn-play span{display:flex; flex-direction:column; line-height:1.05; text-align:left}
.btn-play small{font-size:10px; font-weight:600; opacity:.8; letter-spacing:1px}
.btn-play span{font-size:18px}
.btn-ghost{background:transparent; color:var(--ink); border:1.5px solid var(--hair)}
.btn-ghost:hover{border-color:var(--cyan); color:var(--cyan)}
.btn-sm{padding:9px 16px; font-size:14px}
.btn-sm img{width:18px; height:18px}
.btn-lg{padding:18px 34px}
.btn-lg span{font-size:22px}

.pill{
  display:inline-block; font-family:'Rubik'; font-weight:800; font-size:13px;
  color:var(--cyan); background:rgba(70,226,243,.12); border:1px solid rgba(70,226,243,.3);
  padding:7px 14px; border-radius:999px; margin-bottom:18px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50; backdrop-filter:blur(12px);
  background:rgba(18,0,47,.55); border-bottom:1px solid transparent; transition:.25s;
}
.site-header.scrolled{background:rgba(18,0,47,.9); border-bottom-color:var(--hair)}
.nav{display:flex; align-items:center; justify-content:space-between; height:70px}
.brand{display:flex; align-items:center; gap:10px; color:var(--ink); font-family:'Rubik'; font-weight:900}
.brand-logo{width:38px; height:38px; border-radius:9px}
.brand-name{font-size:18px; background:linear-gradient(90deg,#fff,var(--primary)); -webkit-background-clip:text; background-clip:text; color:transparent}
.nav-links{display:flex; align-items:center; gap:26px; list-style:none; margin:0; padding:0}
.nav-links a{color:var(--muted); font-weight:700; font-family:'Rubik'; font-size:15px}
.nav-links a:hover{color:var(--ink)}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px}
.nav-toggle span{width:26px; height:3px; background:var(--ink); border-radius:3px; transition:.25s}

/* ---------- hero ---------- */
.hero{position:relative; padding:70px 0 90px; overflow:hidden}
.hero-bg{
  position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(60% 60% at 20% 0%, rgba(124,89,232,.55), transparent 60%),
    radial-gradient(50% 60% at 90% 20%, rgba(255,111,145,.28), transparent 60%),
    radial-gradient(120% 90% at 50% 0%, #4e35a8 0%, #24134f 55%, #12002f 100%);
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background-image:
    radial-gradient(2px 2px at 15% 30%, rgba(255,255,255,.5), transparent),
    radial-gradient(2px 2px at 70% 15%, rgba(255,255,255,.4), transparent),
    radial-gradient(1.5px 1.5px at 40% 60%, rgba(255,255,255,.3), transparent),
    radial-gradient(2px 2px at 85% 45%, rgba(255,255,255,.25), transparent);
}
.hero-inner{position:relative; z-index:1; display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center}
.hero-title{font-size:clamp(42px,7vw,78px); font-weight:900; letter-spacing:.5px; color:#fff;
  text-shadow:0 3px 0 rgba(16,3,40,.92), 0 6px 18px rgba(0,0,0,.55), 0 18px 40px rgba(0,0,0,.45)}
/* Solid gold accent — a background-clip:text gradient renders invisible
   in browsers that don't support it, and reads lower-contrast here. */
.hero-title span{color:var(--gold); text-shadow:0 3px 0 rgba(16,3,40,.92), 0 6px 18px rgba(0,0,0,.55), 0 18px 40px rgba(0,0,0,.45)}
.hero-tag{font-family:'Rubik'; font-weight:700; color:var(--gold); font-size:clamp(16px,2.4vw,22px); margin:14px 0 6px}
.hero-desc{color:var(--muted); font-size:17px; max-width:540px; margin:10px 0 26px}
.hero-actions{display:flex; flex-wrap:wrap; gap:14px}
.hero-art{display:flex; justify-content:center}
.hero-phone{
  width:min(290px,78%); padding:11px; border-radius:36px;
  background:linear-gradient(180deg,#33333d,#0d0d14);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.2);
  animation:float 5s ease-in-out infinite;
}
.hero-phone img{width:100%; height:auto; border-radius:26px; display:block}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.scroll-cue{position:absolute; left:50%; bottom:18px; transform:translateX(-50%); color:var(--muted); font-size:26px; z-index:1; animation:bob 1.8s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section-head{text-align:center; max-width:640px; margin:0 auto 46px}
.section-head h2{font-size:clamp(28px,4.5vw,40px); font-weight:900}
.section-head p{color:var(--muted); margin-top:12px; font-size:17px}

.grid{display:grid; gap:22px}
.features{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--hair); border-radius:var(--radius); padding:26px 22px;
  box-shadow:var(--shadow); transition:transform .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-6px); border-color:rgba(70,226,243,.4)}
.card-ico{font-size:40px; margin-bottom:12px}
.card h3{font-size:19px; margin-bottom:8px}
.card p{color:var(--muted); font-size:15px}

/* ---------- gallery ---------- */
.gallery{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.shot{padding:0; border:1px solid var(--hair); background:var(--surface); border-radius:22px; overflow:hidden; cursor:zoom-in; transition:transform .2s, border-color .2s}
.shot:hover{transform:translateY(-6px) scale(1.01); border-color:var(--primary)}
.shot img{width:100%; aspect-ratio:9/16; object-fit:cover}

/* ---------- steps ---------- */
.steps{grid-template-columns:repeat(4,1fr)}
.step{background:var(--surface); border:1px solid var(--hair); border-radius:var(--radius); padding:26px 22px; position:relative}
.step-n{display:inline-grid; place-items:center; width:46px; height:46px; border-radius:14px;
  background:linear-gradient(180deg,var(--primary),#f4701e); color:#fff; font-family:'Rubik'; font-weight:900; font-size:22px;
  box-shadow:0 6px 0 #a8410c; margin-bottom:14px}
.step h3{font-size:18px; margin-bottom:6px}
.step p{color:var(--muted); font-size:15px}

/* ---------- why ---------- */
.why-wrap{display:grid; grid-template-columns:1.1fr .9fr; gap:44px; align-items:center}
.why-copy h2{font-size:clamp(28px,4.5vw,40px); font-weight:900; margin-bottom:20px}
.why-list{list-style:none; padding:0; margin:0 0 26px; display:grid; gap:14px}
.why-list li{position:relative; padding-left:34px; color:var(--muted); font-size:16px}
.why-list li::before{content:"✦"; position:absolute; left:0; top:0; color:var(--cyan); font-size:18px}
.why-list strong{color:var(--ink)}
.why-art{display:flex; justify-content:center}
.why-phone{width:min(280px,80%); border-radius:26px; border:1px solid var(--hair); box-shadow:0 30px 50px rgba(0,0,0,.5); animation:float 6s ease-in-out infinite}

/* ---------- faq ---------- */
.faq{display:grid; gap:14px}
.faq details{background:var(--surface); border:1px solid var(--hair); border-radius:14px; padding:4px 20px; transition:border-color .2s}
.faq details[open]{border-color:rgba(70,226,243,.4)}
.faq summary{cursor:pointer; list-style:none; padding:16px 0; font-family:'Rubik'; font-weight:700; font-size:17px; display:flex; justify-content:space-between; align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; color:var(--cyan); font-size:24px; font-weight:700; transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted); margin:0 0 18px; font-size:15.5px}

/* ---------- cta ---------- */
.cta{background:radial-gradient(80% 120% at 50% 0%, rgba(124,89,232,.4), transparent 60%), var(--bg-2)}
.cta h2{font-size:clamp(30px,5vw,46px); font-weight:900}
.cta p{color:var(--muted); font-size:18px; margin:12px 0 26px}
.contact-line{margin-top:22px; font-size:15px}

/* ---------- footer ---------- */
.site-footer{background:#0c0022; border-top:1px solid var(--hair); padding:34px 0}
.footer-inner{display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:18px}
.foot-brand{display:flex; align-items:center; gap:10px; font-family:'Rubik'; font-weight:800}
.foot-brand .brand-logo{width:30px; height:30px}
.foot-nav{display:flex; flex-wrap:wrap; gap:20px}
.foot-nav a{color:var(--muted); font-size:14px; font-weight:600}
.foot-nav a:hover{color:var(--ink)}
.copy{color:var(--muted); font-size:13px; width:100%; text-align:center; margin:8px 0 0}

/* ---------- lightbox ---------- */
.lightbox{position:fixed; inset:0; z-index:100; display:none; place-items:center; padding:30px;
  background:rgba(6,2,20,.9); backdrop-filter:blur(6px)}
.lightbox.open{display:grid}
.lightbox img{max-height:88vh; max-width:92vw; border-radius:16px; box-shadow:0 30px 60px rgba(0,0,0,.6)}
.lightbox-close{position:absolute; top:20px; right:24px; background:none; border:none; color:#fff; font-size:30px; cursor:pointer}

/* ---------- reveal animation (only hidden when JS is running) ---------- */
.js .reveal{opacity:0; transform:translateY(26px); transition:opacity .6s ease, transform .6s ease}
.js .reveal.in{opacity:1; transform:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .features{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .hero-inner{grid-template-columns:1fr; text-align:center}
  .hero-copy{order:2}
  .hero-art{order:1; margin-bottom:20px}
  .hero-actions{justify-content:center}
  .hero-desc{margin-left:auto; margin-right:auto}
  .why-wrap{grid-template-columns:1fr; text-align:center}
  .why-list{text-align:left; max-width:460px; margin-left:auto; margin-right:auto}
  .why-art{order:-1}
  .nav-links{
    position:fixed; inset:70px 0 auto 0; flex-direction:column; gap:0;
    background:rgba(18,0,47,.98); border-bottom:1px solid var(--hair);
    max-height:0; overflow:hidden; transition:max-height .3s ease; padding:0 22px;
  }
  .nav-links.open{max-height:420px; padding:10px 22px 20px}
  .nav-links li{width:100%; border-bottom:1px solid var(--hair)}
  .nav-links li:last-child{border-bottom:none; padding-top:12px}
  .nav-links a{display:block; padding:14px 0}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}
@media (max-width:560px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:60px 0}
  .footer-inner{flex-direction:column; text-align:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1; transform:none; transition:none}
  .hero-phone,.why-phone,.scroll-cue{animation:none}
}