/*
 * Landing Service CSS v1.0
 * Dùng chung cho thosuanhahanoi.com
 * Mọi selector đều nằm trong .tsn-landing để hạn chế xung đột Newspaper.
 */

.tsn-landing {
  --tsn-primary: #456eb8;
  --tsn-primary-dark: #2f559b;
  --tsn-primary-deep: #193c75;
  --tsn-accent: #e74735;
  --tsn-accent-dark: #c93424;
  --tsn-ink: #172033;
  --tsn-text: #3f4a5a;
  --tsn-muted: #697386;
  --tsn-line: #dfe5ee;
  --tsn-soft: #f4f7fb;
  --tsn-white: #ffffff;
  --tsn-shadow: 0 14px 38px rgba(25, 60, 117, 0.12);
  --tsn-radius: 16px;
  --tsn-container: 1180px;
  width: 100%;
  max-width: none;
  margin: 0;
  color: var(--tsn-text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.72;
  background: var(--tsn-white);
  -webkit-font-smoothing: antialiased;
}

.tsn-landing,
.tsn-landing * {
  box-sizing: border-box;
}

.tsn-landing img {
  display: block;
  max-width: 100%;
  height: auto;
}

.tsn-landing a {
  color: var(--tsn-primary-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.tsn-landing a:hover,
.tsn-landing a:focus-visible {
  color: var(--tsn-primary-deep);
}

.tsn-landing :focus-visible {
  outline: 3px solid rgba(69, 110, 184, 0.35);
  outline-offset: 3px;
}

.tsn-landing h1,
.tsn-landing h2,
.tsn-landing h3 {
  margin-top: 0;
  color: var(--tsn-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.tsn-landing h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 5vw, 64px);
}

.tsn-landing h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 44px);
}

.tsn-landing h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.tsn-landing p {
  margin: 0 0 18px;
}

.tsn-container {
  width: min(100% - 40px, var(--tsn-container));
  margin-inline: auto;
}

.tsn-section {
  padding: 84px 0;
}

.tsn-section--soft {
  background: var(--tsn-soft);
}

.tsn-section--primary {
  color: rgba(255, 255, 255, 0.88);
  background: linear-gradient(135deg, var(--tsn-primary-deep), var(--tsn-primary));
}

.tsn-section__head {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

.tsn-section__head p:last-child {
  margin-bottom: 0;
}

.tsn-section__head--light h2,
.tsn-section__head--light .tsn-kicker {
  color: var(--tsn-white);
}

.tsn-kicker,
.tsn-eyebrow {
  margin-bottom: 10px !important;
  color: var(--tsn-primary);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.tsn-grid {
  display: grid;
  gap: 24px;
}

.tsn-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tsn-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 56px;
  align-items: center;
}

.tsn-split--reverse {
  grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1.3fr);
}

/* Hero */
.tsn-hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 70px;
  color: rgba(255, 255, 255, 0.9);
  background:
    radial-gradient(circle at 85% 12%, rgba(255, 255, 255, 0.15), transparent 28%),
    linear-gradient(135deg, var(--tsn-primary-deep) 0%, var(--tsn-primary) 72%, #5f82c2 100%);
}

.tsn-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 54px;
  align-items: center;
}

.tsn-hero h1,
.tsn-hero .tsn-eyebrow {
  color: var(--tsn-white);
}

.tsn-hero__lead {
  max-width: 720px;
  margin-bottom: 24px !important;
  font-size: 19px;
  line-height: 1.7;
}

.tsn-hero__note {
  margin: 16px 0 0 !important;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.tsn-hero__media {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 22px 54px rgba(11, 35, 78, 0.33);
}

.tsn-hero__media img {
  width: 100%;
  aspect-ratio: 900 / 514;
  border-radius: 14px;
  object-fit: cover;
}

.tsn-hero__media figcaption {
  padding: 10px 8px 2px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  text-align: center;
}

/* Buttons */
.tsn-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tsn-actions--center {
  justify-content: center;
  margin-top: 30px;
}

.tsn-btn,
.tsn-landing a.tsn-btn {
  display: inline-flex;
  min-height: 50px;
  padding: 13px 21px;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.tsn-btn:hover {
  transform: translateY(-2px);
}

.tsn-btn--accent,
.tsn-landing a.tsn-btn--accent {
  color: var(--tsn-white);
  background: var(--tsn-accent);
  box-shadow: 0 10px 24px rgba(231, 71, 53, 0.27);
}

.tsn-btn--accent:hover,
.tsn-btn--accent:focus-visible {
  color: var(--tsn-white) !important;
  background: var(--tsn-accent-dark);
}

.tsn-btn--light,
.tsn-landing a.tsn-btn--light {
  color: var(--tsn-primary-deep);
  background: var(--tsn-white);
}

.tsn-btn--primary,
.tsn-landing a.tsn-btn--primary {
  color: var(--tsn-white);
  background: var(--tsn-primary);
}

.tsn-btn--primary:hover,
.tsn-btn--primary:focus-visible {
  color: var(--tsn-white) !important;
  background: var(--tsn-primary-dark);
}

.tsn-btn--outline,
.tsn-landing a.tsn-btn--outline {
  color: var(--tsn-primary-dark);
  border-color: var(--tsn-primary);
  background: transparent;
}

/* Lists */
.tsn-checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tsn-checklist li {
  position: relative;
  padding-left: 32px;
}

.tsn-checklist li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  color: var(--tsn-white);
  font-size: 14px;
  font-weight: 900;
  line-height: 23px;
  text-align: center;
  background: var(--tsn-primary);
}

.tsn-checklist--hero {
  margin-bottom: 28px;
}

.tsn-checklist--hero li::before {
  color: var(--tsn-primary-deep);
  background: var(--tsn-white);
}

/* Trust bar */
.tsn-trustbar {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--tsn-line);
  background: var(--tsn-white);
  box-shadow: 0 10px 28px rgba(25, 60, 117, 0.08);
}

.tsn-trustbar__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tsn-trustbar__item {
  padding: 23px 20px;
  text-align: center;
}

.tsn-trustbar__item + .tsn-trustbar__item {
  border-left: 1px solid var(--tsn-line);
}

.tsn-trustbar__item strong,
.tsn-trustbar__item span {
  display: block;
}

.tsn-trustbar__item strong {
  color: var(--tsn-ink);
  font-size: 17px;
}

.tsn-trustbar__item span {
  margin-top: 3px;
  color: var(--tsn-muted);
  font-size: 14px;
}

/* Cards */
.tsn-card {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--tsn-line);
  border-radius: var(--tsn-radius);
  background: var(--tsn-white);
  box-shadow: 0 8px 24px rgba(25, 60, 117, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tsn-card:hover {
  transform: translateY(-4px);
  border-color: rgba(69, 110, 184, 0.45);
  box-shadow: var(--tsn-shadow);
}

.tsn-service__icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 12px;
  color: var(--tsn-white);
  font-size: 16px;
  font-weight: 900;
  background: var(--tsn-primary);
}

.tsn-service p {
  color: var(--tsn-muted);
}

.tsn-service > a {
  font-weight: 800;
}

.tsn-highlight {
  padding: 32px;
  border-left: 5px solid var(--tsn-primary);
  border-radius: var(--tsn-radius);
  background: var(--tsn-soft);
}

.tsn-highlight h3 {
  font-size: 26px;
}

/* Pricing table */
.tsn-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--tsn-line);
  border-radius: var(--tsn-radius);
  background: var(--tsn-white);
  box-shadow: 0 8px 26px rgba(25, 60, 117, 0.07);
  -webkit-overflow-scrolling: touch;
}

.tsn-table {
  width: 100%;
  min-width: 760px;
  margin: 0;
  border: 0;
  border-collapse: collapse;
  font-size: 16px;
}

.tsn-table th,
.tsn-table td {
  padding: 17px 19px;
  border: 0;
  border-bottom: 1px solid var(--tsn-line);
  text-align: left;
  vertical-align: top;
}

.tsn-table th {
  color: var(--tsn-white);
  font-size: 14px;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  background: var(--tsn-primary-dark);
}

.tsn-table tbody tr:nth-child(even) {
  background: var(--tsn-soft);
}

.tsn-table tbody tr:last-child td {
  border-bottom: 0;
}

.tsn-table td:nth-child(3) {
  color: var(--tsn-primary-deep);
  font-weight: 800;
  white-space: nowrap;
}

.tsn-notice {
  margin-top: 20px;
  padding: 17px 20px;
  border: 1px solid #f4d4a5;
  border-radius: 12px;
  color: #6e4c1d;
  background: #fff8eb;
}

/* Process */
.tsn-process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tsn-process li {
  display: flex;
  gap: 17px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--tsn-radius);
  background: rgba(255, 255, 255, 0.09);
}

.tsn-process li > span {
  flex: 0 0 auto;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 12px;
  color: var(--tsn-primary-deep);
  font-weight: 900;
  background: var(--tsn-white);
}

.tsn-process h3 {
  margin-bottom: 7px;
  color: var(--tsn-white);
  font-size: 20px;
}

.tsn-process p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

/* Proof and features */
.tsn-proof {
  padding: 42px 32px;
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.84);
  background: linear-gradient(145deg, var(--tsn-primary-deep), var(--tsn-primary));
  box-shadow: var(--tsn-shadow);
}

.tsn-proof__number {
  margin-bottom: 12px !important;
  color: var(--tsn-white);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.tsn-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 30px;
}

.tsn-feature-list article {
  padding-top: 18px;
  border-top: 3px solid var(--tsn-primary);
}

.tsn-feature-list h3 {
  font-size: 20px;
}

.tsn-feature-list p {
  margin: 0;
  color: var(--tsn-muted);
  font-size: 16px;
}

/* Gallery */
.tsn-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.tsn-gallery figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--tsn-line);
  border-radius: 14px;
  background: var(--tsn-white);
  box-shadow: 0 8px 22px rgba(25, 60, 117, 0.06);
}

.tsn-gallery img {
  width: 100%;
  aspect-ratio: 324 / 190;
  object-fit: cover;
  transition: transform 0.28s ease;
}

.tsn-gallery figure:hover img {
  transform: scale(1.035);
}

.tsn-gallery figcaption {
  padding: 14px 16px;
  color: var(--tsn-ink);
  font-size: 15px;
  font-weight: 700;
}

/* Area and posts */
.tsn-area-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tsn-area-list span {
  padding: 13px 16px;
  border: 1px solid var(--tsn-line);
  border-radius: 10px;
  color: var(--tsn-ink);
  font-weight: 700;
  background: var(--tsn-soft);
}

.tsn-post-card__label {
  margin-bottom: 10px !important;
  color: var(--tsn-primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tsn-post-card h3 a {
  color: var(--tsn-ink);
  text-decoration: none;
}

.tsn-post-card h3 a:hover,
.tsn-post-card h3 a:focus-visible {
  color: var(--tsn-primary-dark);
}

.tsn-post-card p:last-child {
  margin-bottom: 0;
  color: var(--tsn-muted);
}

/* FAQ */
.tsn-faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 56px;
  align-items: start;
}

.tsn-faq details {
  overflow: hidden;
  border: 1px solid var(--tsn-line);
  border-radius: 12px;
  background: var(--tsn-white);
}

.tsn-faq details + details {
  margin-top: 12px;
}

.tsn-faq summary {
  position: relative;
  padding: 19px 54px 19px 20px;
  color: var(--tsn-ink);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.tsn-faq summary::-webkit-details-marker {
  display: none;
}

.tsn-faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--tsn-primary);
  font-size: 27px;
  font-weight: 500;
  transform: translateY(-50%);
}

.tsn-faq details[open] summary::after {
  content: "–";
}

.tsn-faq details[open] summary {
  color: var(--tsn-primary-deep);
  background: var(--tsn-soft);
}

.tsn-faq details > div {
  padding: 0 20px 1px;
}

.tsn-faq details > div p {
  margin: 16px 0 18px;
}

/* Final CTA */
.tsn-final-cta {
  padding: 62px 0;
  color: rgba(255, 255, 255, 0.85);
  background: var(--tsn-primary-deep);
}

.tsn-final-cta__inner {
  display: flex;
  gap: 36px;
  align-items: center;
  justify-content: space-between;
}

.tsn-final-cta h2,
.tsn-final-cta .tsn-kicker {
  color: var(--tsn-white);
}

.tsn-final-cta h2 {
  margin-bottom: 10px;
}

.tsn-final-cta p:last-child {
  margin-bottom: 0;
}

.tsn-final-cta .tsn-actions {
  flex: 0 0 auto;
}

/* Newspaper integration: giúp khối landing tràn toàn chiều rộng màn hình. */
.td-main-content-wrap .tsn-landing {
  position: relative;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
}

.td-main-content-wrap:has(.tsn-landing) {
  padding-top: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .tsn-hero__grid,
  .tsn-split,
  .tsn-split--reverse,
  .tsn-faq-layout {
    grid-template-columns: 1fr;
  }

  .tsn-hero__content {
    max-width: 800px;
  }

  .tsn-hero__media {
    max-width: 760px;
  }

  .tsn-grid--3,
  .tsn-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tsn-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .tsn-landing {
    font-size: 16px;
  }

  .tsn-container {
    width: min(100% - 28px, var(--tsn-container));
  }

  .tsn-section {
    padding: 60px 0;
  }

  .tsn-hero {
    padding: 58px 0 48px;
  }

  .tsn-hero__grid {
    gap: 34px;
  }

  .tsn-hero__lead {
    font-size: 17px;
  }

  .tsn-grid--3,
  .tsn-process,
  .tsn-feature-list,
  .tsn-gallery,
  .tsn-area-list {
    grid-template-columns: 1fr;
  }

  .tsn-trustbar__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tsn-trustbar__item:nth-child(3) {
    border-left: 0;
  }

  .tsn-trustbar__item:nth-child(n + 3) {
    border-top: 1px solid var(--tsn-line);
  }

  .tsn-actions,
  .tsn-final-cta__inner {
    align-items: stretch;
    flex-direction: column;
  }

  .tsn-btn,
  .tsn-landing a.tsn-btn {
    width: 100%;
  }

  .tsn-card,
  .tsn-highlight,
  .tsn-proof {
    padding: 24px;
  }

  .tsn-process li {
    padding: 20px;
  }
}

@media (max-width: 430px) {
  .tsn-trustbar__grid {
    grid-template-columns: 1fr;
  }

  .tsn-trustbar__item + .tsn-trustbar__item {
    border-top: 1px solid var(--tsn-line);
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tsn-landing *,
  .tsn-landing *::before,
  .tsn-landing *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .tsn-actions,
  .tsn-final-cta {
    display: none !important;
  }

  .tsn-section,
  .tsn-hero {
    padding: 28px 0;
  }

  .tsn-hero,
  .tsn-section--primary {
    color: #000;
    background: #fff;
  }

  .tsn-hero h1,
  .tsn-section--primary h2,
  .tsn-section--primary h3 {
    color: #000;
  }
}