:root {
  --accent: #3b6ef6;
  --accent-2: #8b5cf6;
  --bg: #f4f4fb;
  --bg-hero: #eef0fb;
  --card: #ffffff;
  --text: #1a1c25;
  --text-soft: #5b5f6e;
  --text-mute: #8a8f9e;
  --border: #ecedf4;
  --chip: #eef1fe;
  --radius: 22px;
  --shadow: 0 10px 30px -12px rgba(40, 44, 90, 0.18);
  --shadow-sm: 0 4px 14px -6px rgba(40, 44, 90, 0.16);
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  display: grid; place-items: center; font-weight: 800; color: var(--accent);
  background: var(--chip); border: 1px solid var(--border); font-size: 15px; letter-spacing: .5px;
}
.brand .logo img { width: 100%; height: 100%; object-fit: cover; border-radius: 13px; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 700; letter-spacing: -0.2px; }
.brand span { font-size: 13px; color: var(--text-mute); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 15px; color: var(--text-soft); font-weight: 500; }
.nav a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px;
  padding: 11px 18px; border-radius: 12px; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn-ghost { background: var(--card); color: var(--text); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600;
  color: var(--accent); background: var(--chip); padding: 7px 14px; border-radius: 999px;
}
.hero h2 { font-size: clamp(38px, 6vw, 64px); line-height: 1.03; margin: 20px 0 18px; letter-spacing: -1.5px; font-weight: 800; }
.hero h2 .accent { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: var(--text-soft); max-width: 30ch; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.avatar-wrap { position: relative; display: grid; place-items: center; min-height: 340px; }
.avatar-blob {
  position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--accent) 35%, #fff), color-mix(in srgb, var(--accent-2) 45%, #fff));
  filter: blur(2px); opacity: .55;
}
.avatar {
  position: relative; width: 300px; max-width: 82%; aspect-ratio: 1;
  border-radius: 50%; object-fit: cover; object-position: top center;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 20%, #fff), color-mix(in srgb, var(--accent-2) 30%, #fff));
}
.avatar.placeholder { display: grid; place-items: center; font-size: 90px; font-weight: 800; color: #fff; }
.float-badge {
  position: absolute; width: 62px; height: 62px; border-radius: 16px; background: #fff;
  box-shadow: var(--shadow); display: grid; place-items: center; font-size: 30px;
  animation: float 5s ease-in-out infinite;
}
.float-badge img { width: 70%; height: 70%; object-fit: contain; }
.float-badge.b1 { top: 24%; left: 2%; }
.float-badge.b2 { bottom: 16%; left: 8%; animation-delay: 1.2s; }
.float-badge.b3 { top: 30%; right: 2%; animation-delay: .6s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- Apps ---------- */
.apps { padding: 30px 0 60px; }
.apps-panel {
  background: color-mix(in srgb, #fff 55%, transparent);
  border: 1px solid var(--border); border-radius: 32px; padding: 8px;
}
.app-row {
  display: grid; grid-template-columns: 320px 1fr; gap: 32px; align-items: center;
  padding: 40px 32px; border-bottom: 1px solid var(--border);
}
.app-row:last-child { border-bottom: 0; }
.app-info .app-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.app-icon { width: 60px; height: 60px; border-radius: 15px; box-shadow: var(--shadow-sm); flex: none; }
.cat-chip { font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 999px; }
.app-info h3 { font-size: 24px; margin: 0 0 10px; letter-spacing: -0.4px; font-weight: 750; }
.app-info h3 .num { color: var(--text-mute); font-weight: 700; }
.app-info p { color: var(--text-soft); font-size: 15.5px; margin: 0 0 18px; }
.store-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 650; font-size: 15px; }
.store-link:hover { gap: 9px; }

.shots { display: flex; gap: 16px; overflow-x: auto; padding: 6px 2px 14px; scroll-snap-type: x mandatory; }
.shots::-webkit-scrollbar { height: 6px; }
.shots::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
.phone {
  flex: none; width: 172px; aspect-ratio: 172 / 366; scroll-snap-align: start;
  border-radius: 26px; overflow: hidden; box-shadow: var(--shadow);
  background: var(--shot-frame-color, #0c0d12);
  padding: var(--shot-frame-w, 6px);
  border: 1px solid color-mix(in srgb, #000 8%, transparent);
}
.phone.landscape { width: 320px; aspect-ratio: 320 / 200; border-radius: 18px; }
.phone.landscape img { border-radius: 12px; }
.phone img { border-radius: 20px; width: 100%; height: 100%; object-fit: cover; background: #14151c; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 44px 0; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; align-items: start; }
.footer-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.footer-brand .logo { width: 44px; height: 44px; }
.footer p { color: var(--text-mute); font-size: 14px; margin: 4px 0; max-width: 34ch; }
.footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-mute); margin: 0 0 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 9px; }
.footer li a { color: var(--text-soft); font-size: 14.5px; }
.footer li a:hover { color: var(--accent); }
.socials { display: flex; gap: 12px; margin-top: 12px; }
.socials a {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: var(--card); border: 1px solid var(--border); color: var(--text-soft); box-shadow: var(--shadow-sm);
}
.socials a:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.footer-contact-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 12px; }
.footer-contact-row .socials { margin-top: 0; }
.footer-email { display: inline-flex; align-items: center; gap: 8px; color: var(--text-soft); font-size: 14.5px; font-weight: 500; }
.footer-email:hover { color: var(--accent); }
.footer-email[hidden] { display: none; }
.footer-bottom { text-align: right; color: var(--text-mute); font-size: 14px; }
.footer-bottom .heart { color: #e5484d; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .avatar-wrap { order: -1; min-height: 280px; }
  .app-row { grid-template-columns: 1fr; gap: 22px; padding: 32px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { text-align: left; grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .brand span { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* category color variants (assigned in JS) */
.cat--Entertainment { background: #eef0ff; color: #5b63e8; }
.cat--Games { background: #fff1e8; color: #e07b39; }
.cat--Education { background: #e9f7ef; color: #2fa36b; }
.cat--PhotoVideo { background: #f0ecff; color: #7c5ce8; }
.cat--Business { background: #e8f2ff; color: #2f7be0; }
.cat--GraphicsDesign { background: #ffeef6; color: #d1519b; }
.cat--Utilities { background: #eef1f7; color: #566294; }
.cat--Productivity { background: #e6f6f1; color: #12a594; }
.cat--Lifestyle { background: #fdeef1; color: #c65d7b; }
.cat--default { background: var(--chip); color: var(--accent); }

/* =================== Contact page =================== */
.nav a.active { color: var(--text); font-weight: 600; position: relative; }
.nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -22px; height: 2px; background: var(--accent); border-radius: 2px; }
.btn-gradient { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #fff; box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--accent) 65%, transparent); }
.btn-gradient:hover { filter: brightness(1.04); }

.contact-hero { padding: 48px 0 30px; }
.contact-hero .avatar-wrap { min-height: 320px; }

.contact-main { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 26px; align-items: start; padding: 20px 24px 30px; }
.c-side { display: flex; flex-direction: column; gap: 22px; }

.c-card { background: var(--card); border: 1px solid var(--border); border-radius: 22px; padding: 26px; box-shadow: var(--shadow-sm); }
.c-card-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.c-card-head h3 { margin: 0 0 3px; font-size: 19px; letter-spacing: -0.3px; }
.c-card-head p { margin: 0; color: var(--text-mute); font-size: 14px; }
.c-ico { flex: none; width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; font-size: 20px; }

.c-field { margin-bottom: 16px; }
.c-field label { display: block; font-size: 13.5px; font-weight: 650; margin-bottom: 7px; color: var(--text); }
.c-input, .c-textarea {
  width: 100%; font: inherit; font-size: 15px; padding: 13px 15px; border: 1px solid var(--border);
  border-radius: 13px; background: #fbfbfe; color: var(--text); outline: none; transition: border .15s, box-shadow .15s;
}
.c-input:focus, .c-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.c-textarea { resize: vertical; min-height: 132px; }
.c-submit { width: 100%; justify-content: center; font-size: 15.5px; padding: 14px; border-radius: 13px; margin-top: 4px; }
.c-note { display: flex; align-items: center; gap: 7px; color: var(--text-mute); font-size: 13px; margin: 14px 0 0; justify-content: center; text-align: center; }
.c-note.err { color: var(--accent); }

.c-contact-row { display: flex; align-items: center; gap: 13px; padding: 15px 16px; border: 1px solid var(--border); border-radius: 15px; background: #fbfbfe; text-decoration: none; color: var(--text); }
a.c-contact-row:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.c-contact-ic { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 19px; background: linear-gradient(150deg, var(--accent), var(--accent-2)); color: #fff; }
.c-contact-row strong { display: block; font-size: 14px; }
.c-contact-val { color: var(--accent); font-size: 14.5px; }
.badge { margin-left: auto; font-size: 12px; font-weight: 650; color: var(--accent); background: var(--chip); padding: 5px 11px; border-radius: 999px; }

.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.topic { display: flex; align-items: center; gap: 8px; font: inherit; font-size: 14px; font-weight: 550; padding: 13px 14px; border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--text); cursor: pointer; text-align: left; transition: border .15s, background .15s, transform .1s; }
.topic:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); background: color-mix(in srgb, var(--accent) 5%, #fff); }
.topic:active { transform: translateY(1px); }

.faq-section { padding: 10px 24px 40px; }
.faq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.faq-card { border: 1px solid var(--border); border-radius: 16px; padding: 20px; background: #fbfbfe; }
.faq-card h4 { margin: 12px 0 6px; font-size: 16px; }
.faq-card p { margin: 0 0 14px; color: var(--text-soft); font-size: 14px; }
.faq-link { color: var(--accent); font-weight: 650; font-size: 14px; cursor: pointer; }
.faq-link:hover { text-decoration: underline; }
.c-info-banner { margin-top: 20px; padding: 14px 18px; border-radius: 13px; background: color-mix(in srgb, var(--accent) 7%, #fff); border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border)); color: var(--text-soft); font-size: 14px; }

@media (max-width: 900px) {
  .contact-main { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .nav a.active::after { display: none; }
}
@media (max-width: 560px) {
  .topic-grid { grid-template-columns: 1fr; }
}