/* Tạp hoá Tài nguyên — layout kiểu Piaz Switch, font Inter */

body.page-tai-nguyen {
  --tn-ink: #0b1220;
  --tn-muted: #5b6577;
  --tn-line: #e8ecf3;
  --tn-soft: #f4f6fb;
  --tn-blue: #2563eb;
  --tn-blue-2: #3b82f6;
  --tn-blue-deep: #1d4ed8;
  background: #ffffff;
  color: var(--tn-ink);
}

body.page-tai-nguyen .main-content,
body.page-tai-nguyen .tn-section,
body.page-tai-nguyen .hero--tn,
body.page-tai-nguyen section,
body.page-tai-nguyen .footer {
  background: #ffffff !important;
  background-image: none !important;
}

body.page-tai-nguyen .hero--tn::before {
  display: none !important;
}

/* —— Header trắng nổi (kiểu Piaz) —— */
body.page-tai-nguyen .header {
  top: 1rem !important;
  z-index: 1000 !important;
  background: #ffffff !important;
  border: 1px solid var(--tn-line) !important;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.1);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  isolation: isolate;
}

/* Che khoảng trống phía trên pill — tránh chữ scroll đè lên header */
body.page-tai-nguyen::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 5.5rem;
  background: linear-gradient(#ffffff 0%, #ffffff 62%, rgba(255, 255, 255, 0));
  z-index: 999;
  pointer-events: none;
}

body.page-tai-nguyen .header .logo-text {
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  color: var(--tn-ink) !important;
}

body.page-tai-nguyen .header-cta-content {
  background-color: var(--tn-soft) !important;
  color: var(--tn-ink);
}

body.page-tai-nguyen .header-cta-red-text {
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  color: var(--tn-ink) !important;
}

/* Button kiểu Piaz: gradient + inset highlight */
body.page-tai-nguyen .btn.btn-primary,
body.page-tai-nguyen .header-join-btn.btn.btn-primary {
  background: linear-gradient(180deg, #5588f0 0%, #3466e2 100%) !important;
  background-image: linear-gradient(180deg, #5588f0 0%, #3466e2 100%) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 9999px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    inset 0 -1px 1px rgba(0, 0, 0, 0.12),
    0 6px 16px -6px rgba(52, 102, 226, 0.6) !important;
}

body.page-tai-nguyen .btn.btn-primary:hover,
body.page-tai-nguyen .header-join-btn.btn.btn-primary:hover {
  filter: brightness(1.04);
}

body.page-tai-nguyen .footer {
  border-top: 1px solid var(--tn-line);
}

body.page-tai-nguyen .footer-brand.logo-text {
  background: none !important;
  -webkit-text-fill-color: unset !important;
  color: var(--tn-ink) !important;
}

body.page-tai-nguyen .footer-description,
body.page-tai-nguyen .footer-copyright {
  color: var(--tn-muted);
}

/* —— Hero —— */
.hero--tn {
  padding-top: calc(5.25rem + 3.5rem) !important;
  padding-bottom: 2rem !important;
  border-radius: 0 !important;
  overflow: visible !important;
  min-height: 0 !important;
  align-items: flex-start !important;
  position: relative;
  z-index: 1;
}

body.page-tai-nguyen .main-content,
body.page-tai-nguyen .tn-section {
  position: relative;
  z-index: 1;
}

body.page-tai-nguyen .hero-headline--oneline,
body.page-tai-nguyen .hero--tn .hero-headline {
  color: var(--tn-ink);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: none;
}

.hero-headline--oneline {
  display: block;
  white-space: nowrap;
  font-size: clamp(1.6rem, 4.5vw, 2.85rem);
  text-align: center;
  margin: 0 auto 0.65rem;
}

@media (max-width: 640px) {
  .hero-headline--oneline {
    white-space: normal;
    max-width: 16rem;
  }
}

.tn-hero-sub,
body.page-tai-nguyen .hero--tn .hero-subtitle-text {
  color: var(--tn-muted) !important;
  opacity: 1;
  font-style: normal !important;
  font-weight: 400 !important;
  max-width: none !important;
  width: max-content;
  max-width: min(100%, 42rem);
  margin: 0.35rem auto 1.75rem !important;
  white-space: nowrap !important;
  text-align: center;
  line-height: 1.55;
  font-size: clamp(0.78rem, 2.1vw, 0.98rem);
}

@media (max-width: 640px) {
  .tn-hero-sub,
  body.page-tai-nguyen .hero--tn .hero-subtitle-text {
    white-space: normal !important;
    width: auto;
    max-width: 20rem;
    padding: 0 0.75rem;
  }
}

/* —— Gói 3 tháng: panel gradient lớn —— */
.tn-bundle {
  display: grid;
  gap: 1.25rem;
  margin: 0 auto;
  padding: 1.5rem;
  border-radius: 28px;
  max-width: 920px;
  text-align: left;
  box-sizing: border-box;
}

.tn-bundle--hero,
.tn-bundle--compact {
  background:
    radial-gradient(1200px 400px at 10% -20%, rgba(255, 255, 255, 0.22), transparent 55%),
    linear-gradient(135deg, #2563eb 0%, #3b82f6 45%, #6366f1 100%);
  border: none;
  box-shadow: none;
}

.tn-bundle--compact {
  margin: 1.75rem 0 0;
  max-width: none;
}

@media (min-width: 800px) {
  .tn-bundle {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    padding: 1.75rem 1.85rem;
    gap: 1.75rem;
  }
}

.tn-bundle__badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--tn-blue-deep);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.tn-bundle__copy h2 {
  margin: 0.65rem 0 0.4rem;
  color: #fff;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tn-bundle__copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
  line-height: 1.55;
}

.tn-bundle__copy strong {
  color: #fff;
}

body.page-tai-nguyen .tn-bundle__form .btn,
body.page-tai-nguyen .tn-bundle__btn,
body.page-tai-nguyen .tn-bundle .btn.btn-primary {
  width: 100%;
  margin-top: 0.85rem;
  min-height: 3rem;
  padding: 0.75rem 1.5rem !important;
  background: #ffffff !important;
  background-image: none !important;
  color: #1e4fd6 !important;
  border-radius: 9999px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  filter: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 0 0 1px rgba(255, 255, 255, 0.35),
    inset 0 -1px 1px rgba(15, 23, 42, 0.06),
    0 8px 20px -6px rgba(15, 23, 42, 0.28) !important;
}

.tn-bundle .rp-field {
  margin-bottom: 0.85rem;
}

.tn-bundle .rp-field label {
  display: block;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 0.55rem;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.3;
}

.tn-bundle .rp-field input {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  border-radius: 14px;
  min-height: 3rem;
  padding: 0.75rem 1rem;
}

.tn-bundle .rp-field input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.tn-bundle .rp-msg {
  color: rgba(255, 255, 255, 0.95);
  min-height: 1.35rem;
}

.tn-bundle .rp-msg.is-error {
  color: #fecaca;
}

.tn-bundle .rp-donate-box {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 16px;
  color: #fff;
}

.tn-bundle .rp-donate-box .rp-lead {
  color: rgba(255, 255, 255, 0.95) !important;
}

.tn-bundle .rp-facts {
  color: rgba(255, 255, 255, 0.92);
}

.tn-bundle .rp-facts dt {
  color: rgba(255, 255, 255, 0.72) !important;
  font-weight: 500;
}

.tn-bundle .rp-facts dd {
  color: #ffffff !important;
  font-weight: 700;
}

.tn-bundle .rp-qr {
  border-color: rgba(255, 255, 255, 0.35);
}

/* —— Section tài nguyên —— */
.tn-section {
  padding: 1.25rem 0 4.5rem;
  scroll-margin-top: 6rem;
}

.tn-section-head {
  text-align: center;
  margin: 0 auto 1.5rem;
  max-width: 36rem;
}

.tn-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--tn-blue-deep);
  background: #eff4ff;
  margin-bottom: 0.65rem;
}

.tn-section-head h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--tn-ink);
}

.tn-section-head p {
  margin: 0;
  color: var(--tn-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.tn-demo-grid {
  display: grid;
  gap: 2.1rem 1.15rem;
  grid-template-columns: 1fr;
}

@media (min-width: 680px) {
  .tn-demo-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1080px) {
  .tn-demo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tn-demo-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--tn-line);
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tn-demo-card:hover {
  transform: translateY(-3px);
  border-color: #c7d2fe;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.tn-demo-card__thumb {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  border: none;
  background: #0f172a;
  box-shadow: none;
  aspect-ratio: 16 / 9;
}

.tn-demo-card__thumb > img,
.tn-demo-card__placeholder {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: center;
  display: block;
  background: var(--tn-soft);
}

.tn-demo-card__thumb > img.tn-demo-card__img--font {
  object-position: 50% 46%;
}

.tn-demo-card__thumb > .footage-mosaic {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 0;
}

.tn-demo-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tn-soft);
  color: #94a3b8;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.tn-demo-card__thumb .tn-demo-card__tag {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 1;
}

.tn-demo-card__body {
  padding: 0.95rem 1.05rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  flex: 1;
}

.tn-demo-card__tag {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--tn-muted);
  border: 1px solid var(--tn-line);
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  background: var(--tn-soft);
}

.tn-demo-card__tag--free {
  color: var(--tn-ink);
  border-color: #dbe3f0;
  background: #f8fafc;
}

.tn-demo-card__tag--donate {
  color: #ffffff;
  border: none;
  background: var(--tn-blue);
  padding: 0.28rem 0.7rem;
}

.tn-demo-card__tag--new {
  color: #ffffff;
  border: none;
  background: #0d9488;
  padding: 0.28rem 0.7rem;
}

.tn-demo-card__thumb .tn-demo-card__tags {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  max-width: calc(100% - 1.3rem);
}

.tn-demo-card__thumb .tn-demo-card__tags .tn-demo-card__tag {
  position: static;
}

.tn-demo-card h2 {
  margin: 0.2rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--tn-ink);
  letter-spacing: -0.01em;
}

.tn-demo-card p {
  margin: 0;
  color: var(--tn-muted);
  font-size: 0.82rem;
  line-height: 1.45;
  flex: 1;
}

.tn-demo-card__ae {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--tn-ink);
}

body.page-tai-nguyen .tn-demo-card__cta {
  display: none !important;
}

.tn-demo-card--soon {
  cursor: not-allowed;
  pointer-events: none;
  user-select: none;
  opacity: 0.72;
  filter: grayscale(0.25);
}

.tn-demo-card--soon:hover {
  transform: none !important;
}

.tn-demo-card--soon .tn-demo-card__placeholder {
  opacity: 0.85;
}

body.page-tai-nguyen .tn-demo-card--soon .tn-demo-card__cta,
body.page-tai-nguyen .tn-demo-card__cta--disabled {
  background: #d1d5db !important;
  background-image: none !important;
  color: #6b7280 !important;
  box-shadow: none !important;
  border: none !important;
  filter: none !important;
  opacity: 1;
  pointer-events: none;
  cursor: not-allowed;
}