/*
 * Trang Ưu đãi & Khuyến mãi — landing-promo.css
 * File riêng, độc lập. Chỉnh sửa tại đây.
 * Template: page-landing-uu-dai.php
 * ──────────────────────────────────────────────────────────────────────────
 */

/* ── Biến riêng của trang này ── */
.promo-page {
  --promo-accent:   #0ea5e9;
  --promo-dark:     #0369a1;
  --promo-hot:      #ef4444;
  --promo-new:      #10b981;
  --promo-vps:      #8b5cf6;
  --promo-combo:    #f59e0b;
  --promo-text:     #0f172a;
  --promo-muted:    #64748b;
  --promo-border:   #e2e8f0;
  --promo-bg:       #f8fafc;
  --promo-card:     #ffffff;
  --promo-radius:   18px;
  --promo-shadow:   0 4px 20px rgba(0,0,0,0.07);
  --promo-shadow-h: 0 16px 48px rgba(14,165,233,0.14);
}

/* ── Wrapper toàn trang ── */
.promo-wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ══════════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════════ */
.promo-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #060f1e 0%, #0c1e3a 55%, #0d2d52 100%);
  padding: 4rem 1.5rem 4.5rem;
  color: #fff;
}

.promo-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 65% at 10% 35%, rgba(14,165,233,0.2) 0%, transparent 55%),
    radial-gradient(ellipse 45% 45% at 90% 70%, rgba(139,92,246,0.15) 0%, transparent 50%);
}

.promo-hero-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,0.8) 40%, rgba(139,92,246,0.6) 65%, transparent);
}

.promo-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.promo-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: 999px;
  padding: 0.32rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #38bdf8;
  margin-bottom: 1.1rem;
}

.promo-hero-title {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 0.85rem;
  color: #fff;
}

.promo-hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin: 0 0 2rem;
  max-width: 480px;
}

.promo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.promo-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.6rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 8px 24px rgba(14,165,233,0.35);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.promo-hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(14,165,233,0.45);
  color: #fff;
}

.promo-hero-cta--ghost {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.3);
  box-shadow: none;
}

.promo-hero-cta--ghost:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  transform: translateY(-2px);
}

/* Trust stats */
.promo-hero-trust {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.promo-trust-item {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 1.1rem 1.5rem;
  text-align: center;
  min-width: 130px;
}

.promo-trust-num {
  display: block;
  font-size: 1.9rem;
  font-weight: 900;
  color: #38bdf8;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.promo-trust-label {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  line-height: 1.3;
}

/* ══════════════════════════════════════════════════════════════════════
   LABELS (BADGES)
   ══════════════════════════════════════════════════════════════════════ */
.promo-label {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.22rem 0.65rem;
  border-radius: 8px;
}

.promo-label--hot   { background: #fef2f2; color: #b91c1c; }
.promo-label--new   { background: #ecfdf5; color: #065f46; }
.promo-label--vps   { background: #f5f3ff; color: #5b21b6; }
.promo-label--combo { background: #fffbeb; color: #92400e; }

/* ══════════════════════════════════════════════════════════════════════
   FEATURED DEAL — chiếm toàn hàng ngang
   ══════════════════════════════════════════════════════════════════════ */
.promo-featured-section {
  padding: 3rem 1.5rem 0;
}

.promo-featured-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  border-radius: 22px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(135deg, #0c1e3a 0%, #0369a1 100%);
  border: 1.5px solid rgba(56,189,248,0.3);
  box-shadow: 0 12px 48px rgba(3,105,161,0.25);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.promo-featured-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 80% 20%, rgba(56,189,248,0.12), transparent 60%);
  pointer-events: none;
}

.promo-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(3,105,161,0.35);
}

.promo-featured-left {
  padding: 2.75rem 2.5rem;
  position: relative;
  z-index: 1;
}

.promo-featured-discount {
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 900;
  color: #38bdf8;
  letter-spacing: -0.06em;
  line-height: 1;
  margin: 0.65rem 0 0.75rem;
  display: block;
}

.promo-featured-title {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 1.1rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.promo-code-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  border: 1px dashed rgba(255,255,255,0.3);
  border-radius: 10px;
  padding: 0.45rem 0.85rem;
  margin-bottom: 0.85rem;
}

.promo-code-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
}

.promo-code {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.08em;
  font-family: monospace;
}

.promo-featured-deadline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

.promo-featured-right {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px);
  padding: 2.75rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.promo-featured-list {
  list-style: none !important;
  margin: 0 0 2rem;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.promo-featured-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.55;
  list-style: none !important;
}

.promo-featured-list li svg {
  flex-shrink: 0;
  color: #34d399;
  margin-top: 0.15rem;
}

.promo-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  padding: 0.9rem 1.75rem;
  border-radius: 12px;
  align-self: flex-start;
  box-shadow: 0 8px 24px rgba(14,165,233,0.4);
  transition: gap 0.2s, box-shadow 0.2s;
}

.promo-featured-card:hover .promo-featured-cta {
  gap: 0.75rem;
  box-shadow: 0 12px 32px rgba(14,165,233,0.55);
}

/* ══════════════════════════════════════════════════════════════════════
   SECTION HEAD (dùng lại trong các section)
   ══════════════════════════════════════════════════════════════════════ */
.promo-section-head {
  text-align: center;
  margin-bottom: 2.25rem;
}

.promo-section-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--promo-accent);
  margin: 0 0 0.45rem;
}

.promo-section-title {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  color: var(--promo-text);
  letter-spacing: -0.025em;
  margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════
   LƯỚI CÁC DEAL CÒN LẠI
   ══════════════════════════════════════════════════════════════════════ */
.promo-grid-section {
  padding: 2.5rem 1.5rem 3rem;
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.promo-deal-card {
  background: var(--promo-card);
  border: 1.5px solid var(--promo-border);
  border-radius: var(--promo-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}

.promo-deal-card:hover {
  border-color: rgba(14,165,233,0.4);
  box-shadow: var(--promo-shadow-h);
  transform: translateY(-4px);
}

.promo-deal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.promo-deal-discount {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--promo-accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.promo-deal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--promo-text);
  margin: 0;
  line-height: 1.4;
}

.promo-deal-code {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: monospace;
  letter-spacing: 0.06em;
  color: var(--promo-dark);
  background: #e0f2fe;
  padding: 0.22rem 0.65rem;
  border-radius: 7px;
  width: fit-content;
}

.promo-deal-deadline {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--promo-muted);
  margin: 0;
}

.promo-deal-list {
  list-style: none !important;
  margin: 0.25rem 0 0;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.promo-deal-list li {
  font-size: 0.83rem;
  color: var(--promo-muted);
  line-height: 1.5;
  padding-left: 1rem;
  position: relative;
  list-style: none !important;
}

.promo-deal-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--promo-accent);
}

.promo-deal-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--promo-accent);
  padding-top: 0.85rem;
  border-top: 1px solid var(--promo-border);
  transition: gap 0.2s;
}

.promo-deal-card:hover .promo-deal-cta {
  gap: 0.55rem;
  color: var(--promo-dark);
}

/* ══════════════════════════════════════════════════════════════════════
   3 BƯỚC NHẬN ƯU ĐÃI
   ══════════════════════════════════════════════════════════════════════ */
.promo-steps-section {
  background: #f8fafc;
  border-top: 1px solid var(--promo-border);
  border-bottom: 1px solid var(--promo-border);
  padding: 3.25rem 1.5rem;
}

.promo-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 920px;
  margin: 0 auto;
}

.promo-step {
  flex: 1;
  text-align: center;
  padding: 0 1.5rem;
  position: relative;
}

.promo-step-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 0.75rem;
  border-radius: 18px;
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  color: var(--promo-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(14,165,233,0.15);
}

.promo-step-num {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--promo-accent);
  margin-bottom: 0.35rem;
}

.promo-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--promo-text);
  margin: 0 0 0.45rem;
}

.promo-step-desc {
  font-size: 0.86rem;
  color: var(--promo-muted);
  line-height: 1.6;
  margin: 0;
}

.promo-step-arrow {
  flex-shrink: 0;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  margin-top: 1.75rem;
}

/* ══════════════════════════════════════════════════════════════════════
   FAQ
   ══════════════════════════════════════════════════════════════════════ */
.promo-faq-section {
  padding: 3rem 1.5rem 3.5rem;
}

.promo-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.promo-faq-item {
  background: var(--promo-card);
  border: 1.5px solid var(--promo-border);
  border-radius: 14px;
  padding: 1.35rem 1.4rem;
}

.promo-faq-q {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--promo-text);
  margin: 0 0 0.55rem;
  line-height: 1.4;
}

.promo-faq-a {
  font-size: 0.875rem;
  color: var(--promo-muted);
  line-height: 1.65;
  margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════
   NỘI DUNG TÙY CHỈNH
   ══════════════════════════════════════════════════════════════════════ */
.promo-custom-content {
  padding: 2rem 1.5rem 0.5rem;
}

/* ══════════════════════════════════════════════════════════════════════
   CTA CUỐI TRANG
   ══════════════════════════════════════════════════════════════════════ */
.promo-cta-section {
  background: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
  padding: 3rem 1.5rem;
  color: #fff;
}

.promo-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.promo-cta-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.35rem;
  letter-spacing: -0.025em;
}

.promo-cta-desc {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
}

.promo-cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.promo-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1.45rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.promo-cta-btn--primary {
  background: #fff;
  color: var(--promo-dark);
  border: 2px solid transparent;
}

.promo-cta-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  color: #0c4a6e;
}

.promo-cta-btn--ghost {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 2px solid rgba(255,255,255,0.4);
}

.promo-cta-btn--ghost:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* ══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .promo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .promo-hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .promo-hero-trust {
    flex-direction: row;
    justify-content: flex-start;
  }

  .promo-trust-item { flex: 1; min-width: 0; }

  .promo-featured-card {
    grid-template-columns: 1fr;
  }

  .promo-featured-right {
    background: rgba(255,255,255,0.08);
  }

  .promo-steps {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .promo-step-arrow {
    transform: rotate(90deg);
    margin: -0.5rem 0;
  }

  .promo-faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .promo-hero { padding: 3rem 1rem 3.5rem; }
  .promo-hero-title { font-size: 1.65rem; }
  .promo-hero-actions { flex-direction: column; }
  .promo-hero-cta { width: 100%; max-width: 280px; justify-content: center; }
  .promo-hero-trust { flex-direction: column; }
  .promo-featured-left,
  .promo-featured-right { padding: 1.75rem 1.5rem; }
  .promo-featured-discount { font-size: 3.5rem; }
  .promo-grid { grid-template-columns: 1fr; }
  .promo-grid-section,
  .promo-faq-section,
  .promo-featured-section { padding-left: 1rem; padding-right: 1rem; }
  .promo-steps-section { padding-left: 1rem; padding-right: 1rem; }
  .promo-cta-inner { flex-direction: column; text-align: center; }
  .promo-cta-actions { justify-content: center; }
}