/* Video Downloader Pro — app landing page
   Self-contained styles scoped to this folder.
*/
:root{
  --bg: #070a12;
  --bg2: #0b1020;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.09);
  --stroke: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.58);
  --accent: #7c5cff;
  --accent2: #23d5ab;
  --danger: #ff4d6d;
  --shadow: 0 18px 55px rgba(0,0,0,.35);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max: 1120px;
  --pad: 24px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1000px 800px at 15% 10%, rgba(124,92,255,.30), transparent 55%),
    radial-gradient(1100px 900px at 75% 25%, rgba(35,213,171,.18), transparent 60%),
    radial-gradient(900px 700px at 45% 90%, rgba(124,92,255,.14), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none}
a:hover{opacity:.95}
img{max-width:100%; height:auto; display:block}
p{color:var(--muted); line-height:1.65; margin:0}
h1,h2,h3{margin:0; letter-spacing:-.02em}
h1{font-size:clamp(2rem, 4vw, 3.2rem); line-height:1.06}
h2{font-size:clamp(1.5rem, 2.4vw, 2.1rem); line-height:1.15}
h3{font-size:1.12rem; line-height:1.25}
small{color:var(--muted2)}
/* Accessibility */
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:12px; top:12px; width:auto; height:auto;
  background:#fff; color:#000; padding:10px 12px; border-radius:10px;
  z-index:9999;
}
.container{max-width:var(--max); margin:0 auto; padding:0 var(--pad)}
.section{padding:64px 0}
.section--tight{padding:40px 0}
.section__head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
  margin-bottom:22px;
}
.section__head p{max-width:64ch}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 12px;
  background:linear-gradient(90deg, rgba(124,92,255,.22), rgba(35,213,171,.14));
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  font-size:.9rem;
  color:rgba(255,255,255,.86);
}
.hr{
  height:1px; background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
}
/* Header */
.header{
  position:sticky; top:0; z-index:1000;
  backdrop-filter:saturate(160%) blur(14px);
  background:linear-gradient(180deg, rgba(7,10,18,.86), rgba(7,10,18,.56));
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px;
  min-width: 210px;
}
.brand__mark{
  width:34px; height:34px;
  border-radius:11px;
  background:
    radial-gradient(18px 18px at 32% 30%, rgba(255,255,255,.65), transparent 55%),
    linear-gradient(135deg, rgba(124,92,255,1), rgba(35,213,171,1));
  box-shadow:0 12px 30px rgba(124,92,255,.22);
}
.brand__name{
  display:flex; flex-direction:column; line-height:1.1;
}
.brand__name strong{font-size:.98rem}
.brand__name span{font-size:.82rem; color:var(--muted2)}
.nav__links{
  display:flex; align-items:center; gap:18px;
}
.nav__links a{
  color:rgba(255,255,255,.80);
  font-size:.95rem;
}
.nav__links a:hover{color:rgba(255,255,255,.96)}
.nav__cta{
  display:flex; align-items:center; gap:10px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:11px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.92);
  box-shadow:0 10px 30px rgba(0,0,0,.14);
  font-weight:600;
  font-size:.95rem;
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
  user-select:none;
}
.btn:hover{transform:translateY(-1px); border-color:rgba(255,255,255,.22); background:rgba(255,255,255,.08)}
.btn:active{transform:translateY(0px)}
.btn--primary{
  border-color: rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.92), rgba(35,213,171,.45));
}
.btn--primary:hover{border-color: rgba(124,92,255,.70)}
.btn--ghost{background:transparent}
.btn__icon{width:18px; height:18px; opacity:.95}
.menu-btn{
  display:none;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  border-radius:14px;
  padding:10px 12px;
  color:rgba(255,255,255,.9);
}
.menu{
  display:none;
  padding: 8px 0 16px;
}
.menu a{display:block; padding:10px 0; color:rgba(255,255,255,.85)}
/* Hero */
.hero{
  padding:52px 0 28px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:26px;
  align-items:center;
}
.hero__copy{max-width:60ch}
.hero__copy p{font-size:1.03rem; margin-top:14px}
.hero__actions{
  display:flex; gap:12px; flex-wrap:wrap;
  margin-top:18px;
}
.hero__meta{
  display:flex; flex-wrap:wrap; gap:10px;
  margin-top:18px;
}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.84);
  font-size:.9rem;
}
.pill svg{width:16px; height:16px; opacity:.92}
.hero__art{
  position:relative;
  border-radius: var(--radius-lg);
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero__art::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(700px 400px at 35% 20%, rgba(124,92,255,.35), transparent 55%),
              radial-gradient(620px 420px at 80% 60%, rgba(35,213,171,.22), transparent 55%);
  opacity:.55;
}
.hero__art img{position:relative; width:100%}
.hero__art .caption{
  position:absolute;
  left:16px; right:16px; bottom:14px;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.42);
  backdrop-filter: blur(10px);
  color:rgba(255,255,255,.9);
  font-size:.9rem;
}
/* Cards & grids */
.grid{
  display:grid; gap:14px;
}
.grid--3{grid-template-columns: repeat(3, minmax(0,1fr))}
.grid--2{grid-template-columns: repeat(2, minmax(0,1fr))}
.card{
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  box-shadow: 0 10px 35px rgba(0,0,0,.12);
  padding:18px 18px;
}
.card p{margin-top:8px}
.card__top{display:flex; gap:12px; align-items:flex-start}
.icon{
  width:38px; height:38px;
  border-radius:14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(124,92,255,.55), rgba(35,213,171,.24));
  border:1px solid rgba(255,255,255,.14);
  flex:0 0 auto;
}
.icon svg{width:19px; height:19px}
.kpi{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.kpi b{font-size:1.05rem}
.kpi span{color:var(--muted2); font-size:.9rem}
/* Steps */
.steps{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:14px;
}
.step{
  position:relative;
  padding:18px 18px;
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.step__num{
  width:34px; height:34px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(124,92,255,.18);
  border:1px solid rgba(124,92,255,.35);
  color:rgba(255,255,255,.9);
  font-weight:800;
  margin-bottom:10px;
}
/* Carousel */
.carousel{
  position:relative;
  border-radius: var(--radius-lg);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  overflow:hidden;
}
.carousel__track{
  display:flex;
  gap:14px;
  padding:16px;
  overflow:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
}
.carousel__track::-webkit-scrollbar{height:10px}
.carousel__track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16); border-radius:999px}
.slide{
  scroll-snap-align:start;
  flex:0 0 78%;
  max-width: 78%;
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  overflow:hidden;
  box-shadow: 0 10px 35px rgba(0,0,0,.18);
}
.slide img{width:100%; height:auto}
.slide figcaption{
  padding:12px 12px 14px;
  border-top:1px solid rgba(255,255,255,.10);
}
.slide figcaption b{display:block}
.slide figcaption span{display:block; margin-top:6px; color:var(--muted); line-height:1.55}
.carousel__btn{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width:42px; height:42px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.42);
  backdrop-filter: blur(10px);
  color:#fff;
  display:grid; place-items:center;
  cursor:pointer;
  transition: transform .15s ease, opacity .15s ease;
}
.carousel__btn:hover{transform: translateY(-50%) scale(1.02)}
.carousel__btn:active{transform: translateY(-50%) scale(.98)}
.carousel__btn--prev{left:12px}
.carousel__btn--next{right:12px}
.carousel__btn svg{width:18px; height:18px}
.carousel__hint{
  display:flex; justify-content:space-between; gap:12px;
  padding: 12px 16px 16px;
  color: var(--muted2);
  font-size:.92rem;
}
.carousel__hint code{
  font-family: var(--mono);
  font-size:.88rem;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  padding:4px 8px;
  border-radius:10px;
}
/* Lightbox */
.lightbox{
  position:fixed; inset:0;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(10px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index: 2000;
  padding: 22px;
}
.lightbox[aria-hidden="false"]{display:flex}
.lightbox__panel{
  max-width: min(1100px, 96vw);
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(15,18,28,.86);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.lightbox__top{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  padding: 12px 14px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.lightbox__title{font-weight:700; color:rgba(255,255,255,.9)}
.lightbox__close{
  width:40px; height:40px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  cursor:pointer;
}
.lightbox__img{background: rgba(0,0,0,.15)}
.lightbox__img img{width:100%; height:auto}
.lightbox__cap{
  padding: 14px 14px 18px;
  color: var(--muted);
  border-top:1px solid rgba(255,255,255,.10);
}
/* FAQ */
.faq{
  display:grid; gap:12px;
}
details{
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 14px 16px;
}
summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color: rgba(255,255,255,.92);
  font-weight:700;
}
summary::-webkit-details-marker{display:none}
summary .chev{
  width:18px; height:18px;
  transition: transform .15s ease;
  opacity:.9;
}
details[open] summary .chev{transform: rotate(180deg)}
details p{margin-top:10px}
.note{
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(124,92,255,.09);
  padding: 14px 16px;
  color: rgba(255,255,255,.85);
}
.note b{color:#fff}
/* App carousel (More apps) */
.cards-row{
  display:flex;
  gap:14px;
  overflow:auto;
  padding: 4px 0 8px;
  scroll-snap-type:x mandatory;
}
.cards-row::-webkit-scrollbar{height:10px}
.cards-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14); border-radius:999px}
.app-card{
  flex:0 0 340px;
  scroll-snap-align:start;
  border-radius: var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 16px;
}
.app-card .top{display:flex; gap:12px; align-items:flex-start}
.app-card .dot{
  width:40px; height:40px; border-radius:16px;
  background: rgba(35,213,171,.18);
  border:1px solid rgba(35,213,171,.26);
}
.app-card b{display:block}
.app-card p{margin-top:6px}
.app-card .links{display:flex; gap:10px; margin-top:10px}
.link{
  display:inline-flex; align-items:center; gap:8px;
  padding:9px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  font-weight:700;
  font-size:.92rem;
}
.link:hover{border-color: rgba(255,255,255,.20); transform: translateY(-1px)}
/* Footer */
.footer{
  padding: 46px 0 34px;
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.08);
}
.footer__grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 18px;
}
.footer h3{font-size:1rem}
.footer a{color: rgba(255,255,255,.78)}
.footer a:hover{color: rgba(255,255,255,.94)}
.footer ul{list-style:none; padding:0; margin:10px 0 0}
.footer li{margin:8px 0}
.footer__bottom{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px;
  margin-top: 18px;
  color: rgba(255,255,255,.55);
  font-size:.92rem;
}
/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr; }
  .hero__art{order:-1}
  .grid--3{grid-template-columns: 1fr}
  .grid--2{grid-template-columns: 1fr}
  .steps{grid-template-columns: 1fr}
  .footer__grid{grid-template-columns: 1fr 1fr}
}
@media (max-width: 760px){
  :root{--pad: 18px}
  .nav__links{display:none}
  .menu-btn{display:inline-flex}
  .menu{display:none}
  .menu.is-open{display:block}
  .brand{min-width:0}
  .slide{flex-basis: 90%; max-width: 90%}
  .carousel__btn{display:none}
  .footer__grid{grid-template-columns: 1fr}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn, .carousel__btn, summary .chev{transition:none}
}