/* assets/style.css
   YNA STORE — Dark Modern UI (Responsive)
   - Glass cards + neon glow
   - Smooth buttons + hover
   - Loader + snow canvas support
   - Works on mobile + desktop
*/

:root{
  --bg0:#070a12;
  --bg1:#0b0f19;
  --bg2:#0f1628;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.68);
  --muted2:rgba(255,255,255,.52);
  --accent:#7a7cff;
  --accent2:#00ffd5;
  --danger:#ff5c7a;

  --r:22px;
  --shadow: 0 24px 70px rgba(0,0,0,.45);
  --shadow2: 0 18px 45px rgba(0,0,0,.38);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 720px at 15% 10%, rgba(122,124,255,.18), transparent 55%),
    radial-gradient(900px 520px at 85% 85%, rgba(0,255,213,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, var(--bg0));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }
img{ max-width:100%; display:block; }

.container{
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
}

.section{
  margin-top: 18px;
  padding-bottom: 32px;
}

.section__head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 12px;
  margin: 14px 0;
}

.h1{
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin: 0 0 8px 0;
  line-height: 1.05;
}
.h2{
  font-size: clamp(20px, 2.4vw, 28px);
  margin: 0;
  letter-spacing:-0.01em;
}
.h3{
  font-size: 16px;
  margin:0;
}

.muted{ color: var(--muted); }
.small{ font-size: 12px; color: var(--muted2); }

/* ===== Topbar ===== */
.topbar{
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(7,10,18,.72), rgba(7,10,18,.42));
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  user-select:none;
}
.brand__dot{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.7), rgba(255,255,255,.12));
  box-shadow: 0 0 0 6px rgba(122,124,255,.12), 0 0 40px rgba(122,124,255,.25);
}
.brand__name{
  font-weight: 800;
  letter-spacing: .04em;
  font-size: 12px;
}
.brand__tag{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,.10);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav a{
  font-size: 13px;
  color: rgba(255,255,255,.82);
  padding: 9px 10px;
  border-radius: 12px;
  transition: transform .12s ease, background .12s ease, color .12s ease;
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
  color: rgba(255,255,255,.95);
}
.nav__cta{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}

.hamburger{
  display:none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap: 4px;
  transition: transform .12s ease, background .12s ease;
  -webkit-tap-highlight-color: transparent;
}
.hamburger:hover{ transform: translateY(-1px); background: rgba(255,255,255,.06); }
.hamburger:active{ transform: translateY(0) scale(.98); }
.hamburger span{
  display:block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,.85);
  border-radius: 99px;
}

/* ===== Hero ===== */
.hero{
  margin-top: 14px;
  padding: 18px;
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(122,124,255,.22), transparent 60%),
    radial-gradient(900px 500px at 85% 80%, rgba(0,255,213,.12), transparent 60%),
    rgba(255,255,255,.03);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}

.hero__grid{
  display:grid;
  gap: 14px;
  grid-template-columns: 1.05fr .95fr;
  align-items:stretch;
}

.hero__copy{
  padding: 8px 8px 10px 8px;
}
.hero__sub{
  color: var(--muted);
  line-height: 1.7;
  margin-top: 10px;
}

.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 14px;
}

/* ===== Cards ===== */
.card{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 14px;
  box-shadow: var(--shadow2);
}

.card--glass{
  background:
    radial-gradient(800px 400px at 20% 10%, rgba(255,255,255,.08), transparent 55%),
    rgba(255,255,255,.03);
  backdrop-filter: blur(10px);
}

.card__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.card__title{
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .02em;
}
.card__text{
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== Badge ===== */
.badge{
  font-size: 12px;
  color: rgba(255,255,255,.90);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  white-space:nowrap;
}
.badge--soft{
  border-color: rgba(122,124,255,.25);
  background: rgba(122,124,255,.10);
}

/* ===== Features / Quick ===== */
.features{
  display:grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0,1fr));
  margin-top: 12px;
}
.feature{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
}
.feature__t{
  font-size: 12px;
  color: var(--muted2);
}
.feature__s{
  margin-top: 3px;
  font-weight: 700;
  letter-spacing:.01em;
}

.quick{
  display:grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.quick__item{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
}
.quick__k{ font-size: 12px; color: var(--muted2); }
.quick__v{ margin-top: 3px; font-weight: 800; }

/* ===== Buttons ===== */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  -webkit-tap-highlight-color: transparent;
  user-select:none;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
}
.btn:active{ transform: translateY(0) scale(.99); }
.btn--small{ padding: 9px 12px; border-radius: 14px; font-size: 13px; }

.btn--primary{
  border-color: rgba(122,124,255,.35);
  background: linear-gradient(135deg, rgba(122,124,255,.22), rgba(0,255,213,.10));
}
.btn--primary:hover{ border-color: rgba(122,124,255,.55); }

.btn--ghost{
  background: rgba(255,255,255,.03);
}

.btn__glow{
  position:absolute;
  inset:-2px;
  border-radius: 18px;
  pointer-events:none;
  background: radial-gradient(240px 80px at 20% 20%, rgba(122,124,255,.18), transparent 60%),
              radial-gradient(220px 80px at 80% 70%, rgba(0,255,213,.12), transparent 60%);
  opacity:.9;
  filter: blur(10px);
  z-index:-1;
}

/* ===== Inputs ===== */
.input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: rgba(255,255,255,.92);
  outline:none;
  transition: border-color .12s ease, background .12s ease;
}
.input:focus, select:focus, textarea:focus{
  border-color: rgba(122,124,255,.45);
  background: rgba(255,255,255,.04);
}

.form-grid{
  display:grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.form-row{
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.label{
  font-size: 12px;
  color: var(--muted2);
}
.help{
  font-size: 12px;
  color: var(--muted2);
  line-height:1.6;
}

/* ===== Tables / Lists ===== */
.list{
  display:flex;
  flex-direction:column;
  gap: 10px;
  margin-top: 10px;
}
.list__item{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.list__left{ display:flex; flex-direction:column; gap: 4px; }
.list__name{ font-weight: 800; }
.list__desc{ font-size: 12px; color: var(--muted2); line-height:1.5; }
.list__price{ font-weight: 900; white-space:nowrap; }

/* ===== Footer ===== */
.footer{
  margin-top: 18px;
  padding-top: 10px;
}
.footer__bottom{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding: 10px 2px;
  color: var(--muted2);
  font-size: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ===== Snow Canvas ===== */
.snow{
  position: fixed;
  inset: 0;
  pointer-events:none;
  z-index: 5;
  opacity: .65;
}

/* ===== Loader ===== */
.loader{
  position: fixed;
  inset: 0;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index: 999;
  background: radial-gradient(900px 400px at 20% 20%, rgba(122,124,255,.18), transparent 60%),
              radial-gradient(900px 420px at 80% 80%, rgba(0,255,213,.10), transparent 60%),
              rgba(7,10,18,.92);
  backdrop-filter: blur(10px);
  transition: opacity .28s ease, visibility .28s ease;
}
.loader.hide{
  opacity:0;
  visibility:hidden;
}
.loader__card{
  width: min(420px, calc(100% - 40px));
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
  padding: 18px;
  display:flex;
  align-items:center;
  gap: 14px;
}
.loader__logo{
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  letter-spacing:.08em;
  background: linear-gradient(135deg, rgba(122,124,255,.28), rgba(0,255,213,.10));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 20px 55px rgba(0,0,0,.35);
}
.loader__title{ font-weight: 900; font-size: 14px; letter-spacing:.06em; }
.loader__sub{ margin-top:2px; font-size: 12px; color: var(--muted); }
.loader__bar{
  margin-left:auto;
  width: 120px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  overflow:hidden;
}
.loader__bar span{
  display:block;
  width: 50%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(122,124,255,.75), rgba(0,255,213,.55));
  animation: load 1.0s infinite ease-in-out;
}
@keyframes load{
  0%{ transform: translateX(-100%); }
  50%{ transform: translateX(50%); }
  100%{ transform: translateX(220%); }
}

/* ===== Utility ===== */
hr.sep{
  border:none;
  height: 1px;
  background: rgba(255,255,255,.08);
  margin: 12px 0;
}
.kbd{
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.88);
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .features{ grid-template-columns: 1fr; }
  .quick{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }

  .nav{
    position: fixed;
    top: 64px;
    left: 14px;
    right: 14px;
    flex-direction:column;
    align-items:stretch;
    gap: 6px;
    padding: 10px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(7,10,18,.92);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow2);
    transform: translateY(-10px);
    opacity:0;
    pointer-events:none;
    transition: transform .18s ease, opacity .18s ease;
    z-index: 50;
  }
  .nav.open{
    transform: translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .nav a{ padding: 12px 12px; border-radius: 16px; }
  .hamburger{ display:flex; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; }
  .btn, .nav a, .hamburger{ transition:none !important; }
  .loader__bar span{ animation:none !important; }
}