/* ══════════════════════════════════════
   AGEYE — LF-One Legacy Product Page
   ══════════════════════════════════════ */

/* ── Hero ── */
.lf-hero {
  padding: 140px 40px 70px;
  background: var(--gray-50);
  position: relative;
  overflow: hidden;
}

.lf-hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.lf-hero-img {
  animation: fadeUp 0.7s ease 0.24s both;
}

.lf-hero-img img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
}

.lf-legacy-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(232, 21, 91, 0.08);
  color: var(--pink);
  margin-bottom: 24px;
  animation: fadeUp 0.7s ease both;
}

.lf-hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 24px;
  animation: fadeUp 0.7s ease 0.08s both;
}

.lf-hero h1 em {
  font-style: normal;
  color: var(--gray-400);
  font-weight: 400;
}

.lf-hero .hero-sub {
  max-width: 600px;
  animation: fadeUp 0.7s ease 0.16s both;
}

/* ── Sections ── */
.lf-section {
  padding: 72px 40px;
}

.lf-section--alt {
  background: var(--gray-50);
}

.lf-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.lf-sec-desc {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 600px;
  margin-top: 10px;
}

/* ── Documentation Cards ── */
.lf-docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.lf-doc-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 32px 28px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
  text-decoration: none;
  color: inherit;
  transition: var(--t);
}

.lf-doc-card:hover {
  border-color: var(--pink);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.lf-doc-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(232, 21, 91, 0.06);
  display: grid;
  place-items: center;
  color: var(--pink);
}

.lf-doc-icon svg {
  width: 22px;
  height: 22px;
}

.lf-doc-info h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.lf-doc-info p {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 12px;
}

.lf-doc-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pink);
  transition: var(--t);
}

.lf-doc-card:hover .lf-doc-cta {
  color: var(--pink-light);
}

/* ── Replacement Parts Grid ── */
.lf-parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.lf-part-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1.5px solid var(--gray-100);
  transition: var(--t);
}

.lf-part-card:hover {
  border-color: var(--gray-200);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

.lf-part-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.lf-part-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.lf-part-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(62, 207, 142, 0.08);
  color: var(--green-mid);
}

.lf-part-card p {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 16px;
}

.lf-part-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pink);
  text-decoration: none;
  transition: var(--t);
}

.lf-part-link:hover {
  color: var(--pink-light);
}

/* ── Troubleshooting Accordion ── */
.lf-troubleshoot {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Accordion item */
.lf-ts-item {
  border-bottom: 1px solid var(--gray-100);
}

.lf-ts-item:first-child {
  border-top: 1px solid var(--gray-100);
}

/* Summary row */
.lf-ts-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 8px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.lf-ts-summary::-webkit-details-marker { display: none; }
.lf-ts-summary::marker { display: none; content: ''; }

.lf-ts-meta {
  flex: 1;
  min-width: 0;
}

.lf-ts-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--gray-600);
  margin-bottom: 8px;
}

.lf-ts-badge--pink {
  background: rgba(232, 21, 91, 0.08);
  color: var(--pink);
}

.lf-ts-meta h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.lf-ts-hint {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* Chevron toggle */
.lf-ts-chevron {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-800);
  display: grid;
  place-items: center;
  transition: var(--t);
}

.lf-ts-chevron svg {
  width: 18px;
  height: 18px;
  color: white;
  transition: transform 0.3s ease;
}

.lf-ts-item[open] .lf-ts-chevron svg {
  transform: rotate(180deg);
}

.lf-ts-summary:hover .lf-ts-chevron {
  background: var(--black);
}

/* Expanded body */
.lf-ts-body {
  padding: 8px 8px 36px;
  border-top: 1px solid var(--gray-100);
}

/* Steps list */
.lf-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 24px 0 0;
}

.lf-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 18px;
  padding: 20px 0;
}

.lf-steps li::before {
  content: counter(step);
  grid-row: 1 / 3;
  align-self: start;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-50);
  color: var(--gray-600);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  margin-top: 2px;
}

.lf-steps li strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
  margin-bottom: 4px;
}

.lf-steps li span {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
  padding-left: 0;
  border-left: 2px solid var(--gray-100);
  padding-left: 14px;
}

.lf-steps li a {
  color: var(--pink);
  font-weight: 600;
  text-decoration: none;
  transition: var(--t);
}

.lf-steps li a:hover {
  color: var(--pink-light);
}

/* Callout note */
.lf-ts-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  margin-left: 58px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(232, 21, 91, 0.04);
  border: 1px solid rgba(232, 21, 91, 0.1);
  font-size: 0.85rem;
  color: var(--pink);
}

.lf-ts-note svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.lf-ts-note a {
  color: var(--pink);
  font-weight: 600;
  text-decoration: none;
  transition: var(--t);
}

.lf-ts-note a:hover {
  color: var(--pink-light);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .lf-hero {
    padding: 120px 20px 60px;
  }

  .lf-hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .lf-hero-img img {
    border-radius: 12px;
  }

  .lf-section {
    padding: 60px 20px;
  }

  .lf-docs-grid {
    grid-template-columns: 1fr;
  }

  .lf-parts-grid {
    grid-template-columns: 1fr;
  }

  .lf-ts-summary {
    padding: 22px 4px;
  }

  .lf-ts-meta h3 {
    font-size: 1.08rem;
  }

  .lf-ts-chevron {
    width: 36px;
    height: 36px;
  }

  .lf-ts-body {
    padding: 4px 4px 28px;
  }

  .lf-steps li {
    grid-template-columns: 32px 1fr;
    gap: 0 14px;
    padding: 16px 0;
  }

  .lf-steps li::before {
    width: 30px;
    height: 30px;
    font-size: 0.78rem;
  }

  .lf-ts-note {
    margin-left: 46px;
  }
}