/* ============================================================
   phwin 99 login - basefiles theme
   Prefix: v4bb-
   ============================================================ */

:root {
  --v4bb-blue: #2b6cff;
  --v4bb-blue-deep: #163a9e;
  --v4bb-gold: #f5c542;
  --v4bb-bg: #070b16;
  --v4bb-bg-2: #0f1530;
  --v4bb-card: #161d3a;
  --v4bb-text: #eef2ff;
  --v4bb-muted: #aab2d4;
  --v4bb-border: rgba(245, 197, 66, 0.20);
  --v4bb-radius: 14px;
  --v4bb-maxw: 1200px;
  --v4bb-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--v4bb-bg);
  background-image: radial-gradient(circle at 10% -10%, rgba(43,108,255,.14), transparent 45%), radial-gradient(circle at 90% 0%, rgba(245,197,66,.08), transparent 42%);
  color: var(--v4bb-text); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: var(--v4bb-gold); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.v4bb-container { width: 100%; max-width: var(--v4bb-maxw); margin: 0 auto; padding: 0 16px; }

.v4bb-header { position: sticky; top: 0; z-index: 1000; background: rgba(7,11,22,.93); backdrop-filter: blur(10px); border-bottom: 1px solid var(--v4bb-border); }
.v4bb-header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.v4bb-header-logo { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: var(--v4bb-gold); }
.v4bb-header-logo .v4bb-ico { color: var(--v4bb-blue); font-size: 1.7rem; }
.v4bb-header-actions { display: flex; align-items: center; gap: 10px; }
.v4bb-btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 999px; font-weight: 700; font-size: .92rem; cursor: pointer; border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease; }
.v4bb-btn:hover { transform: translateY(-1px); text-decoration: none; }
.v4bb-btn-primary { background: linear-gradient(135deg, var(--v4bb-blue), var(--v4bb-blue-deep)); color: #fff; box-shadow: 0 6px 18px rgba(43,108,255,.30); }
.v4bb-btn-gold { background: linear-gradient(135deg, var(--v4bb-gold), #d99a1e); color: #1a1206; }
.v4bb-btn-ghost { background: transparent; color: var(--v4bb-gold); border-color: var(--v4bb-border); }
.v4bb-menu-toggle { display: none; background: none; border: 0; color: var(--v4bb-gold); font-size: 1.6rem; cursor: pointer; }
.v4bb-nav { display: flex; align-items: center; gap: 22px; }
.v4bb-nav a { color: var(--v4bb-text); font-weight: 600; font-size: .95rem; }
.v4bb-nav a:hover { color: var(--v4bb-gold); text-decoration: none; }
.v4bb-mobile-menu { position: fixed; inset: 0 0 0 auto; width: 280px; z-index: 9999; background: var(--v4bb-bg-2); padding: 26px 22px; transform: translateX(100%); transition: transform .28s ease; border-left: 1px solid var(--v4bb-border); overflow-y: auto; }
.v4bb-mobile-menu.v4bb-open { transform: translateX(0); }
.v4bb-mobile-menu h4 { color: var(--v4bb-gold); margin: 16px 0 8px; font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; }
.v4bb-mobile-menu a { display: block; padding: 9px 4px; border-bottom: 1px solid rgba(255,255,255,.05); color: var(--v4bb-text); }
.v4bb-mobile-menu a:hover { color: var(--v4bb-gold); text-decoration: none; }
.v4bb-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 9998; opacity: 0; visibility: hidden; transition: opacity .25s ease; }
.v4bb-overlay.v4bb-open { opacity: 1; visibility: visible; }

.v4bb-main { padding: 22px 0 96px; }
.v4bb-hero { border-radius: 22px; overflow: hidden; margin-bottom: 26px; background: linear-gradient(135deg, #1a2348, #0a0f22); border: 1px solid var(--v4bb-border); box-shadow: var(--v4bb-shadow); }
.v4bb-hero-track { display: flex; transition: transform .5s ease; }
.v4bb-hero-slide { min-width: 100%; padding: 34px 28px; display: flex; gap: 22px; align-items: center; }
.v4bb-hero-slide img { width: 180px; height: 180px; object-fit: cover; border-radius: 16px; flex-shrink: 0; }
.v4bb-hero-text h1 { font-size: 2rem; color: var(--v4bb-gold); margin-bottom: 10px; line-height: 1.25; }
.v4bb-hero-text p { color: var(--v4bb-muted); margin-bottom: 16px; }
.v4bb-hero-dots { display: flex; gap: 8px; justify-content: center; padding: 0 0 16px; }
.v4bb-hero-dots span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.25); cursor: pointer; }
.v4bb-hero-dots span.v4bb-active { background: var(--v4bb-gold); }

.v4bb-section { margin: 34px 0; }
.v4bb-section-title { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--v4bb-text); margin-bottom: 16px; }
.v4bb-section-title .v4bb-bar { width: 6px; height: 26px; background: var(--v4bb-blue); border-radius: 4px; }
.v4bb-section-title .v4bb-ico { color: var(--v4bb-gold); }
.v4bb-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.v4bb-card { background: var(--v4bb-card); border: 1px solid var(--v4bb-border); border-radius: var(--v4bb-radius); overflow: hidden; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.v4bb-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(0,0,0,.5); border-color: rgba(245,197,66,.45); }
.v4bb-card-img { aspect-ratio: 1/1; background: #05080f; }
.v4bb-card-img img { width: 100%; height: 100%; object-fit: cover; }
.v4bb-card-name { padding: 8px 10px; font-size: .82rem; font-weight: 600; text-align: center; color: var(--v4bb-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.v4bb-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.v4bb-feature { background: var(--v4bb-card); border: 1px solid var(--v4bb-border); border-radius: var(--v4bb-radius); padding: 20px; }
.v4bb-feature .v4bb-ico { font-size: 1.8rem; color: var(--v4bb-gold); margin-bottom: 10px; }
.v4bb-feature h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--v4bb-text); }
.v4bb-feature p { color: var(--v4bb-muted); font-size: .9rem; }
.v4bb-prose { background: var(--v4bb-card); border: 1px solid var(--v4bb-border); border-radius: var(--v4bb-radius); padding: 24px 26px; }
.v4bb-prose h2 { color: var(--v4bb-gold); font-size: 1.3rem; margin: 18px 0 10px; }
.v4bb-prose h2:first-child { margin-top: 0; }
.v4bb-prose p { color: var(--v4bb-muted); margin-bottom: 12px; }
.v4bb-prose a { color: var(--v4bb-gold); }
.v4bb-prose ul { margin: 0 0 12px 20px; color: var(--v4bb-muted); }
.v4bb-prose li { margin-bottom: 6px; }
.v4bb-faq { border: 1px solid var(--v4bb-border); border-radius: var(--v4bb-radius); overflow: hidden; background: var(--v4bb-card); }
.v4bb-faq-item { border-bottom: 1px solid rgba(255,255,255,.05); }
.v4bb-faq-item:last-child { border-bottom: 0; }
.v4bb-faq-q { width: 100%; text-align: left; background: none; border: 0; color: var(--v4bb-text); font-weight: 700; padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .98rem; }
.v4bb-faq-q .v4bb-ico { color: var(--v4bb-gold); transition: transform .2s ease; }
.v4bb-faq-item.v4bb-open .v4bb-faq-q .v4bb-ico { transform: rotate(45deg); }
.v4bb-faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 20px; color: var(--v4bb-muted); }
.v4bb-faq-item.v4bb-open .v4bb-faq-a { max-height: 400px; padding: 0 20px 16px; }
.v4bb-cta { background: linear-gradient(135deg, rgba(43,108,255,.16), rgba(245,197,66,.06)); border: 1px solid var(--v4bb-border); border-radius: 22px; padding: 30px 26px; text-align: center; margin: 30px 0; }
.v4bb-cta h2 { color: var(--v4bb-gold); font-size: 1.5rem; margin-bottom: 8px; }
.v4bb-cta p { color: var(--v4bb-muted); margin-bottom: 18px; }
.v4bb-cta .v4bb-btn { font-size: 1.05rem; padding: 12px 30px; }
.v4bb-footer { background: var(--v4bb-bg-2); border-top: 1px solid var(--v4bb-border); padding: 34px 0 20px; margin-top: 10px; }
.v4bb-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 22px; }
.v4bb-footer h4 { color: var(--v4bb-gold); margin-bottom: 10px; font-size: .95rem; }
.v4bb-footer a { display: block; color: var(--v4bb-muted); padding: 4px 0; font-size: .88rem; }
.v4bb-footer a:hover { color: var(--v4bb-gold); text-decoration: none; }
.v4bb-footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 16px; text-align: center; color: var(--v4bb-muted); font-size: .82rem; }
.v4bb-bottomnav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; display: flex; justify-content: space-around; align-items: center; background: rgba(7,11,22,.97); border-top: 1px solid var(--v4bb-border); padding: 6px 0 calc(6px + env(safe-area-inset-bottom)); }
.v4bb-bottomnav-btn { flex: 1; background: none; border: 0; color: var(--v4bb-muted); display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .66rem; padding: 6px 0; cursor: pointer; text-decoration: none; }
.v4bb-bottomnav-btn .v4bb-ico { font-size: 1.55rem; }
.v4bb-bottomnav-btn:hover { color: var(--v4bb-gold); text-decoration: none; }
.v4bb-bottomnav-btn.v4bb-cta-btn { background: linear-gradient(135deg, var(--v4bb-blue), var(--v4bb-blue-deep)); color: #fff; border-radius: 14px; margin: 0 6px; font-weight: 800; }
.v4bb-bottomnav-btn.v4bb-cta-btn .v4bb-ico { color: #fff; }
.v4bb-bottomnav-btn span { font-weight: 600; }
.v4bb-reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.v4bb-reveal.v4bb-visible { opacity: 1; transform: translateY(0); }

@media (min-width: 769px) { .v4bb-bottomnav { display: none; } }
@media (max-width: 980px) {
  .v4bb-grid { grid-template-columns: repeat(4, 1fr); }
  .v4bb-features { grid-template-columns: repeat(2, 1fr); }
  .v4bb-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .v4bb-nav { display: none; }
  .v4bb-menu-toggle { display: inline-flex; }
}
@media (max-width: 430px) {
  .v4bb-container { padding-left: 12px; padding-right: 12px; }
  .v4bb-main { padding: 14px 0 92px; }
  .v4bb-grid { grid-template-columns: repeat(2, 1fr); gap: 9px; }
  .v4bb-features { grid-template-columns: 1fr; gap: 12px; }
  .v4bb-footer-grid { grid-template-columns: 1fr; gap: 16px; }
  .v4bb-header-logo { font-size: 1.15rem; }
  .v4bb-btn { padding: 8px 14px; font-size: .82rem; }
  .v4bb-hero-slide { flex-direction: column; padding: 22px 16px; text-align: center; }
  .v4bb-hero-slide img { width: 130px; height: 130px; margin: 0 auto; }
  .v4bb-hero-text h1 { font-size: 1.45rem; }
  .v4bb-hero-text p { font-size: .88rem; }
  .v4bb-section-title { font-size: 1.1rem; }
  .v4bb-bottomnav-btn { font-size: .6rem; }
  .v4bb-bottomnav-btn .v4bb-ico { font-size: 1.4rem; }
  .v4bb-prose { padding: 18px 16px; }
}