/* ============================================================
   Homepage Modern — xaynhalamson.com
   Viết cho front-page.php mới, dùng class ls-* riêng.
   ============================================================ */

:root {
  --ls-orange: #e8501b;
  --ls-orange-dark: #c73e10;
  --ls-dark: #1a1a2e;
  --ls-dark-2: #16213e;
  --ls-gray-900: #212529;
  --ls-gray-700: #495057;
  --ls-gray-400: #adb5bd;
  --ls-gray-200: #e9ecef;
  --ls-gray-100: #f8f9fa;
  --ls-white: #fff;
  --ls-shadow: 0 4px 24px rgba(0,0,0,.08);
  --ls-shadow-lg: 0 8px 40px rgba(0,0,0,.12);
  --ls-radius: 14px;
  --ls-ease: .35s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset for #ls-home ---- */
#ls-home { line-height: 1.6; color: var(--ls-gray-700); }
#ls-home *, #ls-home *::before, #ls-home *::after { box-sizing: border-box; }
#ls-home img { max-width: 100%; height: auto; }

/* ---- Section ---- */
.ls-section { padding: 64px 0; }
.ls-section--alt { background: var(--ls-gray-100); }
.ls-section__title {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  color: var(--ls-gray-900);
  margin: 0 0 12px;
  letter-spacing: .3px;
}
.ls-section__title::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: var(--ls-orange);
  border-radius: 2px;
  margin: 14px auto 40px;
}
.ls-section__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ls-orange);
  margin-bottom: 8px;
}

/* ---- Buttons ---- */
.ls-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--ls-ease);
  cursor: pointer;
  border: 2px solid transparent;
}
.ls-btn--primary {
  background: var(--ls-orange);
  color: var(--ls-white);
}
.ls-btn--primary:hover {
  background: var(--ls-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,80,27,.3);
  color: var(--ls-white);
}
.ls-btn--outline {
  border-color: var(--ls-white);
  color: var(--ls-white);
  background: transparent;
}
.ls-btn--outline:hover {
  background: var(--ls-white);
  color: var(--ls-orange);
}
.ls-btn--white {
  background: var(--ls-white);
  color: var(--ls-orange);
}
.ls-btn--white:hover {
  background: var(--ls-gray-100);
  transform: translateY(-2px);
  color: var(--ls-orange);
}
.ls-btn--outline-white {
  border-color: rgba(255,255,255,.6);
  color: var(--ls-white);
  background: transparent;
}
.ls-btn--outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--ls-white);
  color: var(--ls-white);
}
.ls-btn--sm { padding: 8px 18px; font-size: 13px; }

/* ---- Hero slider ---- */
.ls-hero { position: relative; }

/* ---- CTA Bar ---- */
.ls-cta-bar {
  background: linear-gradient(135deg, var(--ls-dark) 0%, var(--ls-dark-2) 100%);
  padding: 28px 0;
}
.ls-cta-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.ls-cta-bar__text h2 {
  color: var(--ls-white);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: .5px;
}
.ls-cta-bar__text p {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  margin: 0;
}

/* ---- Intro (video + text) ---- */
.ls-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.ls-intro__video {
  position: relative;
  border-radius: var(--ls-radius);
  overflow: hidden;
  box-shadow: var(--ls-shadow-lg);
  aspect-ratio: 16/9;
}
.ls-intro__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.ls-intro__text p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ls-gray-700);
  margin-bottom: 20px;
}

/* ---- Cards grid ---- */
.ls-cards {
  display: grid;
  gap: 24px;
}
.ls-cards--3 { grid-template-columns: repeat(3, 1fr); }

.ls-card {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  overflow: hidden;
  box-shadow: var(--ls-shadow);
  transition: var(--ls-ease);
  border: 1px solid var(--ls-gray-200);
}
.ls-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ls-shadow-lg);
  border-color: transparent;
}
.ls-card__media {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.ls-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.ls-card:hover .ls-card__media img { transform: scale(1.06); }
.ls-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,46,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s ease;
}
.ls-card:hover .ls-card__overlay { opacity: 1; }
.ls-card__body {
  padding: 20px 22px 24px;
}
.ls-card__body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.4;
}
.ls-card__body h3 a { color: var(--ls-gray-900); text-decoration: none; }
.ls-card__body h3 a:hover { color: var(--ls-orange); }
.ls-card__body p {
  font-size: 14px;
  color: var(--ls-gray-700);
  margin: 0;
  line-height: 1.6;
}
.ls-card__body time {
  display: block;
  font-size: 12px;
  color: var(--ls-gray-400);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ---- Stats / Counters ---- */
.ls-stats {
  background: linear-gradient(135deg, var(--ls-dark) 0%, var(--ls-dark-2) 100%);
  padding: 56px 0;
}
.ls-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.ls-stats__item {
  padding: 20px 12px;
  border-radius: var(--ls-radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
}
.ls-stats__number {
  display: block;
  font-size: 44px;
  font-weight: 800;
  color: var(--ls-orange);
  line-height: 1.1;
  margin-bottom: 6px;
}
.ls-stats__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Feature cards ---- */
.ls-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ls-feature-card {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--ls-shadow);
  border: 1px solid var(--ls-gray-200);
  transition: var(--ls-ease);
}
.ls-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ls-shadow-lg);
  border-color: var(--ls-orange);
}
.ls-feature-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}
.ls-feature-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .3s ease;
}
.ls-feature-card:hover .ls-feature-card__icon img { transform: scale(1.12); }
.ls-feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ls-gray-900);
  margin: 0 0 8px;
}
.ls-feature-card p {
  font-size: 13px;
  color: var(--ls-gray-700);
  margin: 0;
  line-height: 1.7;
}

/* ---- Why choose us ---- */
.ls-why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.ls-why__image img {
  border-radius: var(--ls-radius);
  box-shadow: var(--ls-shadow-lg);
  width: 100%;
}
.ls-why__content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--ls-gray-900);
  margin: 0 0 20px;
  line-height: 1.3;
}
.ls-checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.ls-checklist li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--ls-gray-700);
  border-bottom: 1px solid var(--ls-gray-200);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ls-checklist li:last-child { border-bottom: none; }
.ls-checklist li i {
  color: var(--ls-orange);
  font-size: 16px;
  flex-shrink: 0;
}

/* ---- CTA full-width ---- */
.ls-cta-full {
  background: linear-gradient(135deg, var(--ls-orange) 0%, #d84315 100%);
  padding: 56px 0;
  text-align: center;
}
.ls-cta-full h2 {
  color: var(--ls-white);
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
}
.ls-cta-full p {
  color: rgba(255,255,255,.85);
  font-size: 16px;
  margin: 0 0 28px;
}
.ls-cta-full__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- News cards ---- */
.ls-card--news .ls-card__media { aspect-ratio: 16/9; }

/* ---- Scroll reveal ---- */
.ls-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.ls-reveal.ls-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==== RESPONSIVE ==== */

@media (max-width: 991px) {
  .ls-section { padding: 48px 0; }
  .ls-section__title { font-size: 24px; }

  .ls-cta-bar__inner {
    flex-direction: column;
    text-align: center;
  }
  .ls-cta-bar__text h2 { font-size: 18px; }

  .ls-intro__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .ls-intro__text { text-align: center; }

  .ls-cards--3 { grid-template-columns: repeat(2, 1fr); }

  .ls-stats__grid { grid-template-columns: repeat(2, 1fr); }
  .ls-stats { padding: 40px 0; }

  .ls-features__grid { grid-template-columns: repeat(2, 1fr); }

  .ls-why__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .ls-why__image { text-align: center; }
  .ls-why__image img { max-width: 80%; }
  .ls-why__content { text-align: center; }
  .ls-why__content h2 { font-size: 22px; }
  .ls-checklist { text-align: left; max-width: 460px; margin: 0 auto 24px; }

  .ls-cta-full h2 { font-size: 22px; }
  .ls-cta-full p { font-size: 14px; }
}

@media (max-width: 767px) {
  .ls-section { padding: 40px 0; }
  .ls-section__title { font-size: 22px; }
  .ls-section__title::after { margin: 10px auto 28px; }

  .ls-cta-bar { padding: 20px 0; }
  .ls-cta-bar__text h2 { font-size: 16px; }

  .ls-cards--3 { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }

  .ls-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ls-stats__number { font-size: 32px; }
  .ls-stats__label { font-size: 11px; }

  .ls-features__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .ls-feature-card { padding: 20px 14px; }
  .ls-feature-card h3 { font-size: 14px; }

  .ls-why__image img { max-width: 100%; }
  .ls-why__content h2 { font-size: 20px; }

  .ls-cta-full { padding: 40px 0; }
  .ls-cta-full h2 { font-size: 20px; }
  .ls-cta-full__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 479px) {
  .ls-section { padding: 32px 0; }

  .ls-features__grid { grid-template-columns: 1fr; }
  .ls-stats__number { font-size: 28px; }

  .ls-btn { padding: 10px 22px; font-size: 13px; }
}