/* landing-sales.css — CSS chuẩn cho trang bán khoá DeChePro (sales page) */
:root {
  --dcp-ink: #0B1426; --dcp-ink-soft: #2E3E50; --dcp-paper: #F4EFE6;
  --dcp-paper-2: #E8E2D5; --dcp-gold: #C99A4E; --dcp-gold-light: #F0D08A;
  --dcp-accent: #1C6FB8; --dcp-accent-hover: #0E4C84;
}
.section, #lotrinh, #trainghiem, #bangcap, #ketqua, #hocphi, #faq, #dangky {
  scroll-margin-top: 110px;
}
.dcp-urgency-bar {
  background: linear-gradient(90deg, #0B1426 0%, #16314f 50%, #0B1426 100%);
  color: #fff; padding: 10px 16px; font-size: 13.5px; text-align: center;
  border-bottom: 1px solid rgba(201,154,78,0.3); position: relative; z-index: 101;
}
.dcp-urgency-bar strong { color: var(--dcp-gold-light); font-weight: 700; }
.dcp-urgency-tag {
  background: rgba(201,154,78,0.2); border: 1px solid var(--dcp-gold);
  border-radius: 99px; padding: 2px 10px; font-size: 11px; margin-right: 8px;
  color: var(--dcp-gold-light); font-weight: 700; text-transform: uppercase;
}
.dcp-sales-hero { padding: 48px 0 36px; background: var(--dcp-paper); overflow: hidden; }
.dcp-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 36px; align-items: center; }
.dcp-hero-grid > * { min-width: 0; max-width: 100%; }
.dcp-sales-hero h1 { word-break: break-word; }
.dcp-sales-hero .dcp-pill { white-space: normal; word-break: break-word; }
.dcp-hero-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.dcp-badge-item {
  display: inline-flex; align-items: center; gap: 7px; background: #fff;
  border: 1px solid rgba(11,20,38,0.12); padding: 8px 14px; border-radius: 99px;
  font-size: 13.5px; font-weight: 600; color: var(--dcp-ink); box-shadow: 0 2px 8px rgba(11,20,38,0.04);
}
.dcp-hero-video-box {
  position: relative; border-radius: 14px; overflow: hidden;
  box-shadow: 0 16px 36px rgba(11,20,38,0.14); border: 2px solid rgba(201,154,78,0.35);
  background: #0B1426; aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
}
.dcp-hero-video-box iframe, .dcp-hero-video-box video { width: 100%; height: 100%; border: 0; display: block; }
.dcp-hero-poster { width: 100%; height: 100%; position: relative; cursor: pointer; display: block; padding: 0; border: 0; }
.dcp-hero-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dcp-play-overlay {
  position: absolute; inset: 0; background: rgba(11,20,38,0.35); display: flex;
  flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #fff;
}
.dcp-play-btn {
  width: 64px; height: 64px; border-radius: 50%; background: var(--dcp-accent);
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(28,111,184,0.5); transition: transform 0.2s;
}
.dcp-card-grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 28px; }
.dcp-pain-card {
  background: #fff; border-radius: 12px; padding: 22px; border: 1px solid rgba(194,82,107,0.25);
  box-shadow: 0 4px 14px rgba(11,20,38,0.05); position: relative;
}
.dcp-pain-card h4 { color: #A8324D; font-size: 16px; margin: 8px 0 6px; font-weight: 700; }
.dcp-pain-card p { color: var(--dcp-ink-soft); font-size: 14px; line-height: 1.5; margin: 0; }
.dcp-lego-step {
  background: #fff; border-radius: 14px; padding: 24px; border-left: 4px solid var(--dcp-accent);
  box-shadow: 0 4px 14px rgba(11,20,38,0.05);
}
.dcp-mod-item {
  background: #fff; border: 1px solid rgba(11,20,38,0.12); border-radius: 12px;
  margin-bottom: 12px; overflow: hidden; transition: border-color 0.2s;
}
.dcp-mod-item.open { border-color: var(--dcp-accent); box-shadow: 0 4px 16px rgba(28,111,184,0.08); }
.dcp-mod-header {
  width: 100%; background: none; border: none; text-align: left; padding: 18px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  cursor: pointer; min-height: 48px; color: inherit; font-family: inherit;
}
.dcp-mod-badge {
  background: rgba(28,111,184,0.1); color: var(--dcp-accent); font-weight: 700;
  padding: 4px 10px; border-radius: 6px; font-size: 12.5px;
}
.dcp-mod-body { padding: 0 20px 18px; border-top: 1px solid rgba(11,20,38,0.06); }
.dcp-lesson-row {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 0;
  border-bottom: 1px dashed rgba(11,20,38,0.08); font-size: 14.5px;
}
.dcp-lesson-row:last-child { border-bottom: none; }
.dcp-cert-banner {
  background: linear-gradient(135deg, #0B1426 0%, #16314f 100%);
  border: 1px solid var(--dcp-gold); border-radius: 16px; padding: 28px;
  color: #fff; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: center;
}
.dcp-cert-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.dcp-stat-box { background: rgba(255,255,255,0.06); border-radius: 10px; padding: 14px; text-align: center; }
.dcp-stat-box .val { font-size: 26px; font-weight: 800; color: var(--dcp-gold-light); }
.dcp-stat-box .lbl { font-size: 12.5px; color: #c8d4e3; margin-top: 4px; }
.dcp-result-card {
  background: #fff; border-radius: 12px; padding: 20px; border: 1px solid rgba(11,20,38,0.1);
  box-shadow: 0 4px 12px rgba(11,20,38,0.04);
}
.dcp-offer-box {
  background: #fff; border: 2px solid var(--dcp-accent); border-radius: 18px;
  padding: 32px 28px; box-shadow: 0 16px 40px rgba(11,20,38,0.08);
}
.dcp-former-student-box {
  background: linear-gradient(135deg, #FFF9ED 0%, #F5ECDD 100%);
  border: 2px dashed var(--dcp-gold); border-radius: 14px; padding: 22px;
  margin-top: 24px; position: relative;
}
.dcp-btn-touch { min-height: 48px; min-width: 48px; display: inline-flex; align-items: center; justify-content: center; }
.dcp-brand { min-height: 44px; display: inline-flex; align-items: center; flex-shrink: 0; min-width: max-content; }
.dcp-brand .tag { display: inline-block; white-space: nowrap; flex-shrink: 0; }
.dcp-exit__x { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; }
.foot a { min-height: 44px; display: inline-flex; align-items: center; }
.dcp-lang-pill button { min-height: 44px; min-width: 44px; padding: 0 8px; font-size: 12.5px; }
.dcp-sticky-bottom { display: none; }
body > div[aria-label="Vào Học Viện AI Miễn Phí"] { display: none !important; }
body > .dcp-lang-pill { display: none !important; }
.dcp-hdr { position: sticky !important; top: 0 !important; z-index: 100 !important; }
.dcp-urgency-bar .dcp-lang-pill { position: static !important; display: inline-flex !important; margin: 0; }
@media (min-width: 901px) {
  .dcp-hdr-toggle { display: none !important; }
}
@media (max-width: 900px) {
  .dcp-hdr-toggle { display: inline-flex !important; }
  .dcp-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .dcp-cert-banner { grid-template-columns: 1fr; gap: 20px; padding: 20px 16px; }
  .dcp-sales-hero { padding: 24px 0 20px; }
  .dcp-offer-box { padding: 22px 16px; }
  .dcp-sticky-bottom {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
    background: #0B1426; color: #fff; padding: 10px 16px; border-top: 1px solid rgba(201,154,78,0.4);
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.25);
  }
}