.page-home {
  --ph-brand-bg: #1A2B4C;
  --ph-brand-text: #FFFFFF;
  --ph-brand-accent: #FFD700;
  --ph-brand-muted: rgba(255,255,255,0.55);
  --ph-content-bg: #F5F0E0;
  --ph-section-gap: 3rem;
  --ph-card-shadow: 0 6px 24px rgba(0,0,0,0.10);
  --ph-card-hover-shadow: 0 8px 40px rgba(255,107,53,0.25);
  --ph-border-color: #8B8680;
  --ph-highlight: #FF6B35;
  display: block;
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-body, 'Inter', sans-serif);
  color: #4A4A4A;
  background: var(--ph-content-bg);
}
.ph-frame {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100vh;
}
.ph-brand {
  flex: 0 0 auto;
  background: var(--ph-brand-bg);
  color: var(--ph-brand-text);
  padding: 2rem 1.5rem;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}
.ph-brand-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 320px;
  margin: 0 auto;
}
.ph-brand-top {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: 0.02em;
}
.ph-brand-symbol {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ph-brand-text);
}
.ph-brand-highlight {
  color: var(--ph-brand-accent);
}
.ph-brand-label {
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--ph-brand-muted);
  margin-left: 0.15rem;
}
.ph-brand-claim {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--ph-brand-text);
  letter-spacing: 0.01em;
}
.ph-brand-rule {
  width: 4rem;
  height: 4px;
  background: var(--ph-brand-accent);
  border-radius: 2px;
}
.ph-brand-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ph-brand-muted);
  margin: 0;
}
.ph-brand-fig {
  margin: 0.5rem 0 0;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.ph-brand-fig .ph-img-resp {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
}
.ph-brand-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.ph-brand-nav-item {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ph-brand-muted);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.ph-brand-nav-item::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ph-brand-accent);
  transition: width 0.3s;
}
.ph-brand-nav-item:hover,
.ph-brand-nav-item.is-active {
  color: var(--ph-brand-accent);
}
.ph-brand-nav-item:hover::after,
.ph-brand-nav-item.is-active::after {
  width: 100%;
}
.ph-content {
  flex: 1 1 auto;
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: var(--ph-section-gap);
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}
.ph-section-heading {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 1.25rem;
  color: #1A2B4C;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.ph-section-heading::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--ph-highlight);
  margin-top: 0.4rem;
  border-radius: 2px;
}
.ph-spotlight-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.ph-spotlight-primary {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 1rem;
  flex-wrap: wrap;
}
.ph-spotlight-card {
  flex: 1 1 180px;
  background: #FFFFFF;
  border: 3px solid var(--ph-border-color);
  box-shadow: var(--ph-card-shadow);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: box-shadow 0.3s, border-color 0.3s;
  list-style: none;
}
.ph-spotlight-card::-webkit-details-marker {
  display: none;
}
.ph-spotlight-card:hover {
  box-shadow: var(--ph-card-hover-shadow);
  border-color: var(--ph-highlight);
}
.ph-spotlight-summary {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
  outline: none;
  user-select: none;
}
.ph-spotlight-summary::-webkit-details-marker {
  display: none;
}
.ph-spotlight-num {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ph-highlight);
  letter-spacing: -0.02em;
}
.ph-spotlight-meta {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #4A4A4A;
  opacity: 0.7;
}
.ph-spotlight-detail {
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  border-top: 1px solid #D4D0C8;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #4A4A4A;
}
.ph-spotlight-detail p {
  margin: 0 0 0.5rem;
}
.ph-link {
  font-weight: 600;
  color: var(--ph-highlight);
  text-decoration: none;
  transition: color 0.2s;
}
.ph-link:hover {
  color: #C04E3A;
  text-decoration: underline;
}
.ph-spotlight-divider {
  width: 2px;
  background: linear-gradient(180deg, var(--ph-highlight), transparent);
  flex: 0 0 2px;
  align-self: stretch;
  margin: 0 0.5rem;
}
.ph-spotlight-vis {
  flex: 0 0 auto;
  max-width: 360px;
  margin: 0 auto;
  border: 2px solid var(--ph-border-color);
  box-shadow: var(--ph-card-shadow);
  background: #FFFFFF;
  padding: 0.5rem;
}
.ph-spotlight-vis .ph-img-resp {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}
.ph-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.ph-feature-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 3px solid var(--ph-border-color);
  box-shadow: var(--ph-card-shadow);
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.ph-feature-card:hover {
  box-shadow: var(--ph-card-hover-shadow);
  border-color: var(--ph-highlight);
  transform: translateY(-2px);
}
.ph-feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--ph-highlight);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.ph-feature-card:hover::after {
  transform: scaleX(1);
}
.ph-feature-img {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: #E8E4D8;
  border-bottom: 2px solid #D4D0C8;
}
.ph-feature-img .ph-img-resp {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.ph-feature-card:hover .ph-img-resp {
  transform: scale(1.03);
}
.ph-feature-img--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1A2B4C 0%, #2C3E5A 100%);
  border-bottom: 2px solid #D4D0C8;
  height: 160px;
}
.ph-feature-icon {
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(255,215,0,0.3));
}
.ph-feature-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.ph-feature-title {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: #1A2B4C;
  letter-spacing: 0.01em;
}
.ph-feature-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #4A4A4A;
  margin: 0 0 0.75rem;
  flex: 1;
}
.ph-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.6rem;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  background: var(--ph-highlight);
  border: none;
  box-shadow: 0 2px 8px rgba(255,107,53,0.25);
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
  align-self: flex-start;
  cursor: pointer;
}
.ph-btn:hover {
  background: #E05A2A;
  box-shadow: 0 4px 16px rgba(255,107,53,0.35);
}
.ph-updates-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.ph-update-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  padding: 1rem 1.25rem;
  background: #FFFFFF;
  border-left: 4px solid var(--ph-border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ph-update-item:hover {
  border-left-color: var(--ph-highlight);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.ph-update-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  background: var(--ph-brand-bg);
  border-radius: 2px;
  flex: 0 0 auto;
}
.ph-update-badge[data-badge="data"] {
  background: #1A2B4C;
}
.ph-update-badge[data-badge="feature"] {
  background: var(--ph-highlight);
}
.ph-update-text {
  flex: 1 1 200px;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  color: #4A4A4A;
}
.ph-update-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ph-highlight);
  text-decoration: none;
  transition: color 0.2s;
  flex: 0 0 auto;
}
.ph-update-link:hover {
  color: #C04E3A;
  text-decoration: underline;
}
.ph-trust {
  padding: 1.25rem 1.5rem;
  background: #E8E4D8;
  border: 2px solid #D4D0C8;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #4A4A4A;
  text-align: center;
}
.ph-trust p {
  margin: 0;
}
.ph-img-resp {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 768px) {
  .ph-frame {
    flex-direction: row;
  }
  .ph-brand {
    flex: 0 0 30%;
    min-height: 100vh;
    padding: 2.5rem 2rem;
    position: sticky;
    top: 0;
    clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
    display: flex;
    align-items: center;
  }
  .ph-brand-inner {
    max-width: 300px;
    margin: 0;
    gap: 1.5rem;
  }
  .ph-brand-symbol {
    font-size: 3.2rem;
  }
  .ph-brand-label {
    font-size: 2.2rem;
  }
  .ph-brand-claim {
    font-size: 3rem;
  }
  .ph-brand-fig {
    margin-top: 1rem;
  }
  .ph-brand-nav {
    margin-top: 1rem;
    padding-top: 1.25rem;
  }
  .ph-content {
    flex: 1 1 70%;
    padding: 3rem 2.5rem 4rem;
    gap: 4rem;
    max-width: 920px;
    margin: 0 auto 0 0;
  }
  .ph-section-heading {
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
  }
  .ph-spotlight-inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .ph-spotlight-primary {
    flex: 1;
    gap: 1.5rem;
    flex-wrap: nowrap;
  }
  .ph-spotlight-card {
    padding: 1.5rem 2rem;
    flex: 1;
  }
  .ph-spotlight-num {
    font-size: 4.8rem;
  }
  .ph-spotlight-meta {
    font-size: 1rem;
  }
  .ph-spotlight-vis {
    flex: 0 0 320px;
    max-width: 320px;
    padding: 0.75rem;
  }
  .ph-spotlight-divider {
    margin: 0 0.75rem;
  }
  .ph-features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
  .ph-feature-card {
    flex-direction: column;
  }
  .ph-feature-img,
  .ph-feature-img--icon {
    height: 140px;
  }
  .ph-feature-body {
    padding: 1.25rem 1.5rem 1.5rem;
  }
  .ph-updates-list {
    gap: 0.5rem;
  }
  .ph-update-item {
    padding: 1rem 1.5rem;
    flex-wrap: nowrap;
  }
  .ph-update-text {
    flex: 1;
  }
  .ph-trust {
    padding: 1.5rem 2rem;
  }
}

@media (min-width: 1200px) {
  .ph-brand {
    flex: 0 0 28%;
    padding: 3rem 2.5rem;
  }
  .ph-brand-inner {
    max-width: 340px;
  }
  .ph-brand-claim {
    font-size: 3.4rem;
  }
  .ph-content {
    padding: 4rem 3.5rem 5rem;
    gap: 5rem;
  }
  .ph-spotlight-num {
    font-size: 5.6rem;
  }
  .ph-spotlight-vis {
    flex: 0 0 360px;
    max-width: 360px;
  }
  .ph-features-grid {
    gap: 2rem;
  }
}

@media (max-width: 479px) {
  .ph-brand {
    padding: 1.25rem 1rem;
  }
  .ph-brand-inner {
    gap: 0.75rem;
  }
  .ph-brand-symbol {
    font-size: 1.8rem;
  }
  .ph-brand-label {
    font-size: 1.4rem;
  }
  .ph-brand-claim {
    font-size: 1.6rem;
  }
  .ph-brand-fig {
    display: none;
  }
  .ph-brand-nav {
    gap: 0.75rem;
    font-size: 0.75rem;
  }
  .ph-content {
    padding: 1.25rem 0.75rem 2rem;
    gap: 2rem;
  }
  .ph-section-heading {
    font-size: 1.4rem;
  }
  .ph-spotlight-num {
    font-size: 2.8rem;
  }
  .ph-spotlight-primary {
    gap: 0.75rem;
  }
  .ph-spotlight-card {
    padding: 1rem;
    flex: 1 1 140px;
  }
  .ph-spotlight-vis {
    max-width: 240px;
  }
  .ph-feature-img,
  .ph-feature-img--icon {
    height: 120px;
  }
  .ph-feature-icon {
    font-size: 3rem;
  }
  .ph-feature-body {
    padding: 1rem 1.25rem 1.25rem;
  }
  .ph-feature-title {
    font-size: 1.2rem;
  }
  .ph-update-item {
    padding: 0.75rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
  .ph-update-text {
    flex: 1 1 auto;
    font-size: 0.9rem;
  }
  .ph-trust {
    padding: 1rem;
    font-size: 0.8rem;
  }
}
