/* ============================================================================
 * VIE AI SKILL v3.6.0 — COMMERCIAL LANDING PAGE STYLES (skill.vieaiedu.vn)
 * Official VIE AI EDU Brand Identity:
 *   Red #E41E26 · Gold #F4B400 · White #FFFFFF · Karo #F1F3F7 · Ink #202124
 *   Fonts: Be Vietnam Pro (Headings) + Montserrat (Body) + JetBrains Mono
 * ============================================================================ */

:root {
  --vie-red: #E41E26;
  --vie-red-hover: #C8161D;
  --vie-rose-bg: #FFF1F2;
  --vie-rose-border: #FECDD3;
  --vie-gold: #F4B400;
  --vie-gold-hover: #E0A400;
  --vie-gold-soft: #FFFBEB;
  --vie-gold-border: #FDE68A;
  --vie-white: #FFFFFF;
  --vie-bg-alt: #F6F7FB;
  --vie-grid: #F1F3F7;
  --vie-border: #E4E8F0;
  --vie-ink: #202124;
  --vie-muted: #5F6368;
  --vie-green: #137333;
  --vie-green-bg: #E6F4EA;
  --vie-obsidian: #111318;
  --vie-obsidian-2: #191D26;
  --shadow-xs: 0 2px 8px rgba(17, 24, 39, 0.04);
  --shadow-sm: 0 8px 24px rgba(17, 24, 39, 0.055);
  --shadow-md: 0 18px 42px rgba(17, 24, 39, 0.085);
  --shadow-red: 0 12px 28px rgba(228, 30, 38, 0.22);
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 9px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--vie-ink);
  background-color: var(--vie-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .btn, .cinema-mode-btn, .filter-pill {
  font-family: 'Be Vietnam Pro', sans-serif;
  letter-spacing: -0.015em;
}

code, pre {
  font-family: 'JetBrains Mono', monospace;
}

.hidden {
  display: none !important;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

section[id] {
  scroll-margin-top: 84px;
}

.text-red {
  color: var(--vie-red);
}

/* Official Top Brand Ribbon */
.brand-top-ribbon {
  position: relative;
  z-index: 120;
  width: 100%;
}
.brand-top-ribbon__red {
  height: 7px;
  background: var(--vie-red);
}
.brand-top-ribbon__gold {
  height: 3px;
  background: var(--vie-gold);
}

/* Optional Announcement Banner */
.site-announcement {
  background: var(--vie-rose-bg);
  border-bottom: 1px solid var(--vie-rose-border);
  color: var(--vie-ink);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.site-announcement__badge {
  background: var(--vie-red);
  color: var(--vie-white);
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 9px;
  border-radius: 999px;
  margin-right: 8px;
}
.site-announcement__cta {
  color: var(--vie-red);
  font-weight: 700;
  margin-left: 8px;
  text-decoration: underline;
}

/* Karo Technical Grid Surface */
.karo-surface {
  background-color: var(--vie-white);
  background-image:
    linear-gradient(to right, var(--vie-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--vie-grid) 1px, transparent 1px);
  background-size: 38px 38px;
}

/* ==========================================================================
   STICKY GLASS HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--vie-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 14px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--vie-ink);
  flex-shrink: 0;
}
.brand-lockup__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
}
.brand-lockup__row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.brand-lockup__org {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-weight: 800;
  font-size: 16.5px;
  color: var(--vie-ink);
  white-space: nowrap;
}
.brand-lockup__badge {
  background: var(--vie-rose-bg);
  color: var(--vie-red);
  border: 1px solid var(--vie-rose-border);
  font-size: 11px;
  font-weight: 800;
  padding: 1px 7px;
  border-radius: 999px;
  white-space: nowrap;
}
.brand-lockup__sub {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--vie-muted);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 13px;
}
.main-nav__link {
  text-decoration: none;
  color: var(--vie-ink);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.16s ease;
}
.main-nav__link:hover {
  color: var(--vie-red);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
  color: var(--vie-ink);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.16s ease, color 0.16s ease;
}
.header-pill-link:hover {
  border-color: var(--vie-rose-border);
  color: var(--vie-red);
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot--blue { background: #1A73E8; }
.status-dot--red { background: var(--vie-red); }

.wallet-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px 5px 10px;
  border-radius: 999px;
  background: var(--vie-gold-soft);
  border: 1px solid var(--vie-gold-border);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease;
}
.wallet-chip:hover {
  transform: translateY(-1px);
}
.wallet-chip__tag {
  background: var(--vie-gold);
  color: var(--vie-ink);
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 999px;
}
.wallet-chip__amount {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--vie-ink);
}
.wallet-chip__plus {
  background: var(--vie-red);
  color: var(--vie-white);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

/* Notification Bell (Top Right) */
.notif-wrapper {
  position: relative;
}
.icon-btn {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
  color: var(--vie-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.icon-btn:hover {
  border-color: var(--vie-rose-border);
  background: var(--vie-rose-bg);
  color: var(--vie-red);
}
.notif-dot {
  position: absolute;
  top: -3px;
  right: -3px;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--vie-red);
  color: var(--vie-white);
  font-size: 10px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--vie-white);
}
.notif-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 340px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: 150;
}
.notif-dropdown__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--vie-border);
  font-size: 13px;
}
.notif-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--vie-grid);
  font-size: 12.5px;
}
.notif-item.unread {
  background: var(--vie-rose-bg);
}

.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 11px 4px 5px;
  border-radius: 999px;
  border: 1px solid var(--vie-rose-border);
  background: var(--vie-rose-bg);
  cursor: pointer;
  white-space: nowrap;
}
.user-pill__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--vie-red);
  color: var(--vie-white);
  font-weight: 800;
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.user-pill__meta {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}
.user-pill__meta strong {
  font-size: 12px;
  color: var(--vie-ink);
}
.user-pill__meta small {
  font-size: 10.5px;
  color: var(--vie-red);
  font-weight: 700;
}

/* ==========================================================================
   BUTTONS & BADGES (ZERO BLACK SELECTION PILLS)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.btn:active {
  transform: scale(0.985);
}
.btn--primary {
  background: var(--vie-red);
  color: var(--vie-white);
  box-shadow: var(--shadow-red);
}
.btn--primary:hover {
  background: var(--vie-red-hover);
  transform: translateY(-1px);
}
.btn--gold-solid {
  background: var(--vie-gold);
  color: var(--vie-ink);
  font-weight: 800;
}
.btn--gold-solid:hover {
  background: var(--vie-gold-hover);
}
.btn--rose {
  background: var(--vie-rose-bg);
  color: var(--vie-red);
  border-color: var(--vie-rose-border);
}
.btn--rose:hover {
  background: #FFE4E6;
}
.btn--outline {
  background: var(--vie-white);
  color: var(--vie-ink);
  border-color: var(--vie-border);
}
.btn--outline:hover {
  border-color: var(--vie-red);
  color: var(--vie-red);
}
.btn--dark {
  background: var(--vie-rose-bg);
  color: var(--vie-red);
  border-color: var(--vie-rose-border);
}
.btn--dark:hover {
  background: var(--vie-red);
  color: var(--vie-white);
  border-color: var(--vie-red);
}
.btn--sm {
  padding: 7px 14px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
}
.btn--lg {
  padding: 13px 24px;
  font-size: 14.5px;
}
.btn--full {
  width: 100%;
}

.text-action-btn {
  background: none;
  border: none;
  color: var(--vie-red);
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
}
.danger-text {
  color: var(--vie-red);
  margin-top: 8px;
}

.badge-gold, .badge-red, .badge-rose, .badge-owned {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge-gold {
  background: var(--vie-gold);
  color: var(--vie-ink);
}
.badge-red {
  background: var(--vie-red);
  color: var(--vie-white);
}
.badge-rose {
  background: var(--vie-rose-bg);
  color: var(--vie-red);
  border: 1px solid var(--vie-rose-border);
}
.badge-owned {
  background: var(--vie-green-bg);
  color: var(--vie-green);
}

.gold-underline-bar {
  width: 120px;
  height: 5px;
  border-radius: 999px;
  background: var(--vie-gold);
  margin-top: 12px;
}

/* ==========================================================================
   1. HERO LAUNCH SECTION
   ========================================================================== */
.hero-section {
  padding: 46px 0 58px;
  border-bottom: 1px solid var(--vie-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 36px;
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--vie-rose-bg);
  border: 1px solid var(--vie-rose-border);
  color: var(--vie-red);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}
.eyebrow-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--vie-red);
}

.hero-title {
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--vie-ink);
}

.hero-lead {
  margin-top: 16px;
  font-size: 15.5px;
  color: var(--vie-muted);
  font-weight: 500;
  max-width: 560px;
}
.hero-lead strong {
  color: var(--vie-ink);
  font-weight: 700;
}

.hero-agents-box {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--vie-border);
  box-shadow: var(--shadow-xs);
}
.hero-agents-box__label {
  font-size: 11px;
  font-weight: 800;
  color: var(--vie-muted);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.agent-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.agent-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  font-size: 12px;
  font-weight: 700;
  color: var(--vie-ink);
  white-space: nowrap;
}
.agent-chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vie-green);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.hero-sub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--vie-muted);
}
.hero-sub-links a {
  color: var(--vie-muted);
  text-decoration: underline;
}
.hero-sub-links a:hover {
  color: var(--vie-red);
}

.hero-metrics {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--vie-border);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 14px;
}
.hero-metric strong {
  display: block;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 17px;
  font-weight: 800;
  color: var(--vie-ink);
}
.hero-metric span {
  font-size: 12px;
  font-weight: 600;
  color: var(--vie-muted);
}
.hero-metric__divider {
  width: 1px;
  height: 30px;
  background: var(--vie-border);
}

/* Interactive Real App Window Preview */
.app-frame-card {
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.app-frame-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  background: var(--vie-bg-alt);
  border-bottom: 1px solid var(--vie-border);
  flex-wrap: wrap;
}
.app-frame-dots {
  display: flex;
  gap: 6px;
}
.app-frame-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: var(--vie-red); }
.dot-gold { background: var(--vie-gold); }
.dot-green { background: #22C55E; }
.app-frame-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--vie-muted);
}
.app-preview-tabs {
  display: flex;
  gap: 4px;
  background: var(--vie-white);
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--vie-border);
}
.app-preview-tab {
  border: none;
  background: transparent;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--vie-muted);
  cursor: pointer;
  white-space: nowrap;
}
.app-preview-tab.active {
  background: var(--vie-red);
  color: var(--vie-white);
}
.app-frame-screen {
  background: #F3F4F8;
  aspect-ratio: 1400 / 900;
  overflow: hidden;
}
.app-frame-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.18s ease;
}
.app-frame-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--vie-muted);
  border-top: 1px solid var(--vie-border);
}
.app-frame-dl {
  color: var(--vie-red);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

/* ==========================================================================
   SECTIONS & BENTO CARDS
   ========================================================================== */
.section {
  padding: 68px 0;
}
.section--alt {
  background: var(--vie-bg-alt);
  border-top: 1px solid var(--vie-border);
  border-bottom: 1px solid var(--vie-border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.section-kicker {
  display: block;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--vie-red);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.section-title {
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  font-weight: 800;
  color: var(--vie-ink);
  line-height: 1.22;
}
.section-desc {
  max-width: 490px;
  font-size: 14.5px;
  color: var(--vie-muted);
  font-weight: 500;
}
.section-desc strong {
  color: var(--vie-ink);
}

.bento-card {
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-xs);
}

/* ==========================================================================
   2. DUAL WIDESCREEN CINEMA SHOWCASE (1920x780)
   ========================================================================== */
.cinema-mode-switcher {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
}
.cinema-mode-btn {
  border: none;
  background: transparent;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--vie-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease;
}
.cinema-mode-btn.active {
  background: var(--vie-red);
  color: var(--vie-white);
  box-shadow: 0 4px 14px rgba(228, 30, 38, 0.25);
}

.web-cinema-card {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--vie-obsidian);
  border: 1px solid #262B38;
  box-shadow: var(--shadow-md);
}
.web-cinema-top-bezel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 18px;
  background: var(--vie-obsidian-2);
  border-bottom: 1px solid #262B38;
  flex-wrap: wrap;
}
.web-cinema-live-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: #F3F4F6;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.web-cinema-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--vie-red);
}
.web-cinema-chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.web-chap-pill {
  border: 1px solid #2F3646;
  background: rgba(255, 255, 255, 0.04);
  color: #CBD5E1;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.web-chap-pill:hover {
  border-color: var(--vie-gold);
  color: var(--vie-white);
}
.web-chap-pill.active {
  background: var(--vie-gold);
  border-color: var(--vie-gold);
  color: var(--vie-ink);
}

.web-cinema-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 780;
  background: #0B0D12;
  display: flex;
  align-items: center;
  justify-content: center;
}
.web-cinema-stage video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.web-cinema-big-play {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(228, 30, 38, 0.94);
  color: var(--vie-white);
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  transition: transform 0.16s ease, opacity 0.16s ease;
}
.web-cinema-big-play:hover {
  transform: scale(1.03);
}
.web-cinema-big-play.is-playing {
  opacity: 0;
  pointer-events: none;
}

.web-cinema-bottom-bezel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  background: var(--vie-obsidian-2);
  border-top: 1px solid #262B38;
}
.web-cinema-left-controls, .web-cinema-right-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.cinema-ctrl-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #353C4D;
  background: #232836;
  color: var(--vie-white);
  font-size: 12px;
  cursor: pointer;
}
.cinema-timecode {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #CBD5E1;
  white-space: nowrap;
}
.cinema-scrubber {
  flex: 1;
  accent-color: var(--vie-red);
  cursor: pointer;
  height: 5px;
}
.cinema-pill-btn {
  border: 1px solid #353C4D;
  background: #232836;
  color: #F3F4F6;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.cinema-pill-btn:hover {
  border-color: var(--vie-gold);
}

/* ==========================================================================
   3. UNIFIED FILTER BAR & HOVER-PREVIEW SKILL CARDS
   ========================================================================== */
.unified-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 10px;
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: 999px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
}
.filter-pills {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.filter-pill {
  border: none;
  background: transparent;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--vie-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.filter-pill:hover {
  color: var(--vie-red);
  background: var(--vie-rose-bg);
}
.filter-pill.active {
  background: var(--vie-red);
  color: var(--vie-white);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  min-width: 280px;
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  color: var(--vie-ink);
}

.skills-bento-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.skill-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--vie-rose-border);
}

.skill-card__media {
  position: relative;
  height: 245px;
  background: #0C0E14;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.skill-card__media video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.skill-card__top-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
}
.skill-card__hover-hint {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(17, 19, 24, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #F3F4F6;
  font-size: 11px;
  font-weight: 700;
  pointer-events: none;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.skill-card.is-hover-playing .skill-card__hover-hint {
  background: rgba(228, 30, 38, 0.9);
  border-color: transparent;
}
.skill-card__media-ctrls {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 3;
  display: flex;
  gap: 5px;
}
.media-mini-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(17, 19, 24, 0.82);
  color: var(--vie-white);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.media-mini-btn:hover {
  background: var(--vie-red);
}

.skill-card__body {
  padding: 16px 18px 14px;
}
.skill-card__head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.skill-card__title {
  font-size: 16px;
  font-weight: 800;
  color: var(--vie-ink);
  line-height: 1.3;
}
.skill-card__cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--vie-muted);
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}
.skill-card__desc {
  margin-top: 7px;
  font-size: 13px;
  color: var(--vie-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.skill-card__footer {
  padding: 12px 18px 16px;
  border-top: 1px solid var(--vie-grid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.skill-price-coin {
  display: block;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--vie-ink);
}
.skill-price-coin.is-free {
  color: var(--vie-green);
}
.skill-price-vnd {
  font-size: 11.5px;
  color: var(--vie-muted);
  font-weight: 600;
}

/* ==========================================================================
   4. 6 AI AGENTS & 84 STUDIO SFX SHOWCASE
   ========================================================================== */
.agents-six-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.agent-eco-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.agent-eco-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--vie-muted);
}
.agent-eco-card h3 {
  font-size: 16.5px;
  font-weight: 800;
  margin-bottom: 6px;
}
.agent-eco-card p {
  font-size: 13px;
  color: var(--vie-muted);
  margin-bottom: 12px;
}
.cli-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 7px;
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  font-size: 11.5px;
  color: var(--vie-ink);
}

.sfx-tray-showcase {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
}
.sfx-highlight-card h3, .tray-highlight-card h3 {
  font-size: 17.5px;
  font-weight: 800;
  margin: 10px 0 8px;
}
.sfx-highlight-card p, .tray-highlight-card p {
  font-size: 13.5px;
  color: var(--vie-muted);
  margin-bottom: 14px;
}
.sfx-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sfx-pill {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--vie-gold-soft);
  border: 1px solid var(--vie-gold-border);
  color: var(--vie-ink);
  font-size: 12px;
  font-weight: 700;
}

/* ==========================================================================
   5. PRICING & VIP PLANS
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.plan-card {
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-xl);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
}
.plan-card--highlight {
  border: 2px solid var(--vie-red);
  box-shadow: var(--shadow-md);
  position: relative;
}
.plan-card__title {
  font-size: 20px;
  font-weight: 800;
  margin-top: 12px;
}
.plan-card__desc {
  font-size: 13px;
  color: var(--vie-muted);
  margin-top: 6px;
}
.plan-price-block {
  margin: 18px 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
}
.plan-price-block strong {
  display: block;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--vie-red);
}
.plan-price-block span {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--vie-muted);
}
.plan-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 22px;
}
.plan-perks li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--vie-ink);
}
.plan-perks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--vie-green-bg);
  color: var(--vie-green);
  font-size: 11px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pricing-compare-box {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.pricing-compare-item strong {
  display: block;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 4px;
}
.pricing-compare-item span {
  font-size: 12.5px;
  color: var(--vie-muted);
}

/* ==========================================================================
   6. DESKTOP OS DOWNLOAD CARDS
   ========================================================================== */
.os-download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.os-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.os-card--featured {
  border: 2px solid var(--vie-rose-border);
  box-shadow: var(--shadow-sm);
}
.os-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.os-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.os-icon-box--win {
  background: var(--vie-rose-bg);
  color: var(--vie-red);
}
.os-icon-box--mac {
  background: var(--vie-bg-alt);
  color: var(--vie-ink);
}
.os-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-top: 4px;
}
.os-card__desc {
  font-size: 13.5px;
  color: var(--vie-muted);
  margin-bottom: 14px;
}
.os-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.os-feature-list li {
  padding-left: 22px;
  position: relative;
  font-size: 13px;
  font-weight: 600;
}
.os-feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--vie-green);
  font-weight: 800;
}
.os-card__footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.os-meta-note {
  font-size: 11.5px;
  color: var(--vie-muted);
  text-align: center;
}

.zero-terminal-steps {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.zero-step__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--vie-gold);
  color: var(--vie-ink);
  font-size: 10.5px;
  font-weight: 800;
  margin-bottom: 8px;
}
.zero-step > strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}
.zero-step p {
  font-size: 13px;
  color: var(--vie-muted);
}
.section {
  scroll-margin-top: 86px;
}

/* ==========================================================================
   7. COMMUNITY, SUPPORT & BUG REPORT (dvt9995@gmail.com)
   ========================================================================== */
.support-feedback-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
  align-items: start;
}
.support-left-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.community-dual-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.comm-card {
  text-decoration: none;
  color: var(--vie-ink);
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.comm-card:hover {
  transform: translateY(-2px);
  border-color: var(--vie-red);
}
.comm-card h3 {
  font-size: 16.5px;
  font-weight: 800;
  margin: 10px 0 6px;
}
.comm-card p {
  font-size: 13px;
  color: var(--vie-muted);
  margin-bottom: 12px;
}
.comm-card__cta {
  font-size: 13px;
  font-weight: 800;
  color: var(--vie-red);
}

.feedback-mail-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--vie-gold-soft);
  border: 1px solid var(--vie-gold-border);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.feedback-mail-kicker {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  color: var(--vie-red);
  letter-spacing: 0.04em;
}
.feedback-mail-address {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--vie-ink);
}
.feedback-mail-actions {
  display: flex;
  gap: 8px;
}
.feedback-steps-heading {
  font-size: 14.5px;
  font-weight: 800;
  margin-bottom: 12px;
}
.feedback-steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.fb-step-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
}
.fb-step-num {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--vie-red);
  color: var(--vie-white);
  font-weight: 800;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.fb-step-row strong {
  display: block;
  font-size: 13.5px;
  margin-bottom: 3px;
}
.fb-step-row p {
  font-size: 12.5px;
  color: var(--vie-muted);
}

.feedback-form-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 10px 0 4px;
}
.web-feedback-form {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ==========================================================================
   FORMS, MODALS & FOOTER
   ========================================================================== */
.form-row-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.field-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--vie-ink);
}
.form-input, .form-textarea, .form-file-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
  font-family: inherit;
  font-size: 13.5px;
  color: var(--vie-ink);
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--vie-red);
}
.muted-note, .form-hint {
  font-size: 12px;
  color: var(--vie-muted);
}

.site-footer {
  background: #14171F;
  color: #E5E7EB;
  padding: 52px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr 0.85fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #262C3A;
}
.site-footer .brand-lockup__org {
  color: var(--vie-white);
}
.site-footer .brand-lockup__sub {
  color: #9CA3AF;
}
.footer-copy-desc {
  margin-top: 12px;
  font-size: 13px;
  color: #9CA3AF;
  max-width: 420px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 800;
  color: var(--vie-white);
  margin-bottom: 12px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col a {
  color: #D1D5DB;
  text-decoration: none;
  font-size: 13px;
}
.footer-col a:hover {
  color: var(--vie-gold);
}
.footer-bottom {
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: #9CA3AF;
  flex-wrap: wrap;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 25, 0.62);
  backdrop-filter: blur(5px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-panel {
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--vie-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--vie-border);
  box-shadow: var(--shadow-md);
}
.modal-panel--lg {
  max-width: 880px;
}
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--vie-border);
}
.modal-header h3 {
  font-size: 19px;
  font-weight: 800;
  margin-top: 6px;
}
.modal-close-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--vie-border);
  background: var(--vie-bg-alt);
  cursor: pointer;
  font-size: 14px;
}
.modal-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 24px;
  background: var(--vie-bg-alt);
  border-bottom: 1px solid var(--vie-border);
  flex-wrap: wrap;
}
.modal-tab {
  border: none;
  background: transparent;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--vie-muted);
  cursor: pointer;
}
.modal-tab.active {
  background: var(--vie-red);
  color: var(--vie-white);
}
.modal-body {
  padding: 20px 24px;
}
.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--vie-border);
  background: var(--vie-bg-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Modal Skill Prompt Switcher */
.modal-prompt-card {
  margin-top: 14px;
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.modal-prompt-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: var(--vie-bg-alt);
  border-bottom: 1px solid var(--vie-border);
  flex-wrap: wrap;
}
.modal-agent-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.modal-agent-tab {
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
}
.modal-agent-tab.active {
  background: var(--vie-red);
  border-color: var(--vie-red);
  color: var(--vie-white);
}
.modal-prompt-pre {
  background: #14171F;
  color: #F3F4F6;
  padding: 14px;
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  max-height: 190px;
  overflow-y: auto;
}

.detail-feature-list {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  margin-top: 8px;
}
.agent-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.agent-guide-item {
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--vie-border);
  background: var(--vie-bg-alt);
  font-size: 12.5px;
}

/* Auth, Wallet & Profile Modal Grids */
.quick-demo-box {
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--vie-gold-soft);
  border: 1px solid var(--vie-gold-border);
  margin-bottom: 14px;
}
.quick-demo-box__title {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}
.quick-demo-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.wallet-modal-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}
.wallet-balance-banner {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--vie-rose-bg);
  border: 1px solid var(--vie-rose-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.wallet-balance-banner strong {
  font-size: 18px;
  color: var(--vie-red);
}
.amount-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.amount-preset-btn {
  padding: 9px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--vie-border);
  background: var(--vie-white);
  font-weight: 700;
  font-size: 12.5px;
  cursor: pointer;
}
.amount-preset-btn span {
  display: block;
  font-size: 10.5px;
  color: var(--vie-muted);
}
.amount-preset-btn.active {
  border-color: var(--vie-red);
  background: var(--vie-rose-bg);
  color: var(--vie-red);
}
.coupon-hint-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 10px 0 12px;
  font-size: 12px;
  flex-wrap: wrap;
}
.coupon-tag {
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px dashed var(--vie-red);
  background: var(--vie-rose-bg);
  color: var(--vie-red);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.qr-preview-box {
  border: 1px solid var(--vie-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  background: var(--vie-bg-alt);
  text-align: center;
}
.qr-image {
  width: 210px;
  height: 210px;
  object-fit: contain;
  margin: 10px auto;
  border-radius: 12px;
  background: var(--vie-white);
  padding: 6px;
  border: 1px solid var(--vie-border);
}
.qr-bank-details {
  text-align: left;
  font-size: 12.5px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 10px 0 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--vie-white);
  border: 1px solid var(--vie-border);
}
.wallet-tx-section {
  margin-top: 14px;
}
.sub-heading {
  font-size: 13px;
  margin-bottom: 6px;
}
.wallet-tx-list, .seat-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 140px;
  overflow-y: auto;
  margin-top: 8px;
}
.tx-row, .seat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  font-size: 12px;
}
.profile-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  margin-bottom: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}
.seat-mcp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.card-split-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.issued-token-box {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--vie-gold-soft);
  border: 1px solid var(--vie-gold-border);
  font-size: 11.5px;
  word-break: break-all;
  cursor: pointer;
}

/* Toast */
.toast-container {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: #181C25;
  color: var(--vie-white);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--vie-gold);
}
.toast--error {
  border-left-color: var(--vie-red);
}

/* ==========================================================================
   v3.7.0 SHOWCASE-ONLY & 7-DAY FREE VIP TRIAL FUNNEL STYLES
   ========================================================================== */
.hero-trial-callout {
  margin: 16px 0 18px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF2F2 100%);
  border: 1px solid #FDE68A;
  box-shadow: 0 6px 18px rgba(244, 180, 0, 0.08);
}
.hero-trial-callout__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}
.hero-trial-callout__head strong {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 14px;
  color: var(--vie-ink);
}
.hero-trial-callout p {
  font-size: 13px;
  line-height: 1.55;
  color: #374151;
}

.trial-spotlight-banner {
  margin-bottom: 24px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, #FFFDF5 0%, #FFF5F5 100%);
  border: 1.5px solid #FCD34D;
}
.trial-spotlight-banner__copy h3 {
  font-size: 20px;
  margin: 8px 0 6px;
  color: var(--vie-ink);
}
.trial-spotlight-banner__copy p {
  font-size: 14px;
  line-height: 1.6;
  color: #4B5563;
  max-width: 720px;
}
.trial-spotlight-banner__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.trial-spotlight-banner__cta small {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--vie-muted);
}

.app-only-gate-box {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #FFFDF5 0%, #FEF2F2 100%);
  border: 1px solid #FECACA;
}
.app-only-gate-box h4 {
  font-size: 15px;
  margin: 6px 0 4px;
  color: var(--vie-ink);
}
.app-only-gate-box p {
  font-size: 13px;
  line-height: 1.55;
  color: #4B5563;
}

.download-modal-lead {
  font-size: 14px;
  line-height: 1.6;
  color: #374151;
  margin-bottom: 18px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: #FFFBEB;
  border: 1px solid #FDE68A;
}
.download-modal-os-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.dl-modal-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
}
.dl-modal-card--recommended {
  border-color: var(--vie-red);
  box-shadow: 0 10px 26px rgba(228, 30, 38, 0.1);
}
.dl-modal-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.dl-rec-tag {
  font-size: 11px;
  font-weight: 700;
  color: #15803D;
  background: #DCFCE7;
  padding: 2px 8px;
  border-radius: 999px;
}
.dl-modal-card h4 {
  font-size: 17px;
  color: var(--vie-ink);
}
.dl-modal-card p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--vie-muted);
  flex: 1;
}
.dl-already-installed-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--vie-bg-alt);
  border: 1px solid var(--vie-border);
  flex-wrap: wrap;
}
.dl-already-installed-bar strong {
  display: block;
  font-size: 13.5px;
  color: var(--vie-ink);
}
.dl-already-installed-bar span {
  font-size: 12px;
  color: var(--vie-muted);
}

/* Mobile Sticky Bottom Bar */
.mobile-sticky-bar {
  display: none;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1540px) {
  .hide-desktop-sm { display: none; }
}

@media (max-width: 1120px) {
  .hero-grid, .support-feedback-grid {
    grid-template-columns: 1fr;
  }
  .skills-bento-grid, .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pricing-compare-box {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .main-nav, .hide-tablet { display: none; }
  .agents-six-grid, .os-download-grid, .sfx-tray-showcase, .zero-terminal-steps, .wallet-modal-grid, .seat-mcp-grid, .agent-guide-grid, .download-modal-os-grid {
    grid-template-columns: 1fr;
  }
  .trial-spotlight-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .trial-spotlight-banner__cta {
    width: 100%;
    align-items: stretch;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .site-header .container {
    padding: 0 12px;
  }
  .brand-lockup__sub,
  .wallet-chip__plus,
  .brand-lockup__badge {
    display: none;
  }
  .brand-lockup__logo {
    width: 34px;
    height: 34px;
  }
  .brand-lockup__org {
    font-size: 15px;
  }
  .header-actions {
    gap: 6px;
  }
  #btnHeaderAuth {
    padding: 6px 11px;
    font-size: 12px;
  }
  .hero-metrics {
    flex-wrap: wrap;
    gap: 12px;
  }
  .hero-metric__divider {
    display: none;
  }
  body {
    padding-bottom: 68px;
  }
  .container {
    padding: 0 16px;
  }
  .skills-bento-grid, .pricing-grid, .pricing-compare-box, .community-dual-cards, .form-row-two {
    grid-template-columns: 1fr;
  }
  .unified-filter-bar {
    border-radius: var(--radius-lg);
    padding: 12px;
  }
  .search-box {
    width: 100%;
    min-width: 0;
  }
  .cinema-mode-switcher {
    width: 100%;
    flex-direction: column;
    border-radius: var(--radius-md);
  }
  .cinema-mode-btn {
    width: 100%;
    text-align: center;
  }
  .mobile-sticky-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 140;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--vie-border);
    padding: 10px 14px;
    display: flex;
    gap: 10px;
  }
  .mobile-sticky-bar__main {
    flex: 1;
  }
}