.sentinel-page {
  --s-bg: #06080c;
  --s-surface: #10161f;
  --s-surface-soft: #161d28;
  --s-text: #f2f6fb;
  --s-muted: #afbac8;
  --s-line: rgba(173, 196, 224, 0.22);
  color: var(--s-text);
  background:
    radial-gradient(circle at 12% -10%, rgba(90, 146, 191, 0.28), transparent 35%),
    radial-gradient(circle at 90% 12%, rgba(30, 76, 116, 0.4), transparent 38%),
    var(--s-bg);
}

.sentinel-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(158, 191, 227, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(158, 191, 227, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 20%, black 0%, transparent 74%);
  pointer-events: none;
  z-index: -1;
}

.sentinel-page h1,
.sentinel-page h2,
.sentinel-page h3 {
  font-family: Manrope, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -0.035em;
}

.sentinel-page .site-header {
  background: rgba(6, 8, 12, 0.82);
  border-bottom-color: rgba(173, 196, 224, 0.18);
}

.sentinel-page .brand-text strong,
.sentinel-page .site-nav a:not(.button):hover,
.sentinel-page .site-nav a:not(.button)[aria-current="page"],
.sentinel-page .site-nav a,
.sentinel-page .nav-toggle {
  color: #e9f1fb;
}

.sentinel-page .brand-text small,
.sentinel-page .site-nav a {
  opacity: 0.8;
}

.sentinel-page .site-nav {
  gap: 0.85rem;
}

.sentinel-page .site-nav a {
  font-size: 0.84rem;
}

.sentinel-page .site-nav a:not(.button):hover,
.sentinel-page .site-nav a:not(.button)[aria-current="page"] {
  border-color: rgba(255, 255, 255, 0.45);
}

.sentinel-page .nav-toggle {
  background: rgba(12, 17, 23, 0.9);
  border-color: rgba(173, 196, 224, 0.42);
}

.sentinel-page .button.primary {
  background: linear-gradient(145deg, #7dbff2, #5b9ecf);
  color: #021321;
}

.sentinel-page .button.ghost {
  border-color: rgba(170, 200, 230, 0.55);
  color: #dce9f7;
}

.sentinel-page .button.ghost:hover {
  background: rgba(85, 122, 157, 0.22);
}

.sentinel-hero {
  position: relative;
  min-height: min(88svh, 980px);
  border-bottom: 1px solid rgba(173, 196, 224, 0.26);
}

.sentinel-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(5, 10, 16, 0.9) 5%, rgba(5, 10, 16, 0.72) 43%, rgba(5, 10, 16, 0.28) 76%, rgba(5, 10, 16, 0.16) 100%),
    url("../img/lifestyle/lifestyle-8.jpg") center / cover no-repeat;
}

.sentinel-hero::after {
  content: "";
  position: absolute;
  inset: auto -180px -220px auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(149, 210, 255, 0.2) 0%, rgba(149, 210, 255, 0) 70%);
  pointer-events: none;
}

.sentinel-hero .container {
  position: relative;
  z-index: 1;
  padding: 7.2rem 0 4.2rem;
}

.sentinel-title {
  font-size: clamp(2.2rem, 7vw, 6rem);
  line-height: 0.94;
  max-width: 10ch;
  text-wrap: balance;
  text-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.sentinel-brand-row {
  margin-top: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.sentinel-brand-row img {
  opacity: 0.92;
}

.sentinel-brand-divider {
  width: 24px;
  height: 1px;
  background: rgba(220, 237, 255, 0.54);
}

.sentinel-kicker {
  margin-top: 1.6rem;
  max-width: 64ch;
  color: #d2dfec;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.75;
}

.sentinel-jump {
  margin-top: 1.3rem;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.sentinel-jump a {
  border: 1px solid rgba(182, 214, 244, 0.4);
  border-radius: 999px;
  padding: 0.34rem 0.7rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cfe1f3;
  background: rgba(25, 42, 59, 0.42);
}

.sentinel-jump a:hover {
  background: rgba(140, 188, 228, 0.2);
  border-color: rgba(194, 223, 249, 0.62);
}

.sentinel-hero-grid {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}

.sentinel-metrics,
.sentinel-panel {
  background: rgba(13, 18, 26, 0.74);
  border: 1px solid var(--s-line);
  border-radius: 16px;
  backdrop-filter: blur(5px);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.3);
}

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

.sentinel-metric {
  padding: 1.2rem;
  border-right: 1px solid rgba(173, 196, 224, 0.16);
}

.sentinel-metric:last-child {
  border-right: 0;
}

.sentinel-metric strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  margin-bottom: 0.5rem;
  color: #f2f8ff;
}

.sentinel-metric span {
  color: var(--s-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.sentinel-panel {
  padding: 1.1rem 1.2rem;
  display: grid;
  gap: 0.8rem;
}

.sentinel-panel p {
  color: #c9d7e6;
}

.sentinel-main {
  padding: 4.4rem 0 6.5rem;
}

.sentinel-section + .sentinel-section {
  margin-top: 4.3rem;
}

.sentinel-section {
  scroll-margin-top: 92px;
}

.sentinel-head {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.sentinel-head h2 {
  color: #eff6ff;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  max-width: 14ch;
}

.sentinel-head p {
  max-width: 68ch;
  color: #b8c8d9;
}

.sentinel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.1rem;
}

.sentinel-card,
.sentinel-tabs,
.sentinel-docs,
.sentinel-gallery,
.sentinel-cta {
  background: var(--s-surface);
  border: 1px solid var(--s-line);
  border-radius: 16px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
}

.sentinel-card,
.sentinel-docs,
.sentinel-cta {
  padding: 1.2rem;
}

.sentinel-card h3,
.sentinel-docs h3,
.sentinel-gallery h3,
.sentinel-tabs h3 {
  color: #edf5ff;
  font-size: 1.05rem;
  margin-bottom: 0.7rem;
}

.sentinel-card p,
.sentinel-docs p,
.sentinel-cta p,
.sentinel-docs li,
.sentinel-accordion p {
  color: #b8c8d9;
  line-height: 1.7;
}

.sentinel-stack {
  display: grid;
  gap: 1rem;
}

.sentinel-card:hover,
.sentinel-docs:hover,
.sentinel-tabs:hover,
.sentinel-gallery:hover {
  transform: translateY(-2px);
  border-color: rgba(178, 211, 242, 0.42);
}

.sentinel-tabs {
  padding: 1.2rem;
}

.sentinel-tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.95rem;
}

.sentinel-tab {
  border: 1px solid rgba(155, 186, 218, 0.38);
  color: #d8e7f7;
  background: rgba(31, 53, 75, 0.42);
  border-radius: 999px;
  padding: 0.5rem 0.82rem;
  font: inherit;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.sentinel-tab[aria-selected="true"] {
  background: linear-gradient(145deg, #b8ddff, #89c5f2);
  color: #082034;
  border-color: transparent;
}

.sentinel-tab:hover {
  transform: translateY(-1px);
}

.sentinel-panel-content {
  display: none;
  border: 1px solid rgba(155, 186, 218, 0.23);
  border-radius: 12px;
  background: var(--s-surface-soft);
  padding: 1rem;
  animation: sentinel-fade 0.28s ease;
}

.sentinel-panel-content.active {
  display: block;
}

.sentinel-gallery {
  padding: 1.2rem;
}

.sentinel-shots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.sentinel-shot {
  margin: 0;
  border: 1px solid rgba(155, 186, 218, 0.23);
  border-radius: 12px;
  overflow: hidden;
  background: #141b24;
  aspect-ratio: 9 / 19;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.sentinel-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sentinel-shot:hover {
  transform: translateY(-2px);
  border-color: rgba(178, 211, 242, 0.5);
}

.sentinel-docs ul {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
}

.sentinel-docs li {
  margin: 0.42rem 0;
}

.sentinel-docs a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sentinel-accordion {
  display: grid;
  gap: 0.75rem;
}

.sentinel-accordion-item {
  border: 1px solid rgba(155, 186, 218, 0.3);
  border-radius: 12px;
  background: rgba(19, 27, 37, 0.7);
  overflow: hidden;
}

.sentinel-accordion-trigger {
  width: 100%;
  padding: 0.9rem 1rem;
  text-align: left;
  background: transparent;
  border: 0;
  color: #eaf3fe;
  font: inherit;
  cursor: pointer;
}

.sentinel-accordion-trigger:hover {
  background: rgba(120, 163, 201, 0.08);
}

.sentinel-accordion-trigger::after {
  content: "+";
  float: right;
}

.sentinel-accordion-trigger[aria-expanded="true"]::after {
  content: "-";
}

.sentinel-accordion-content {
  display: none;
  padding: 0 1rem 1rem;
}

.sentinel-accordion-content.open {
  display: block;
}

.sentinel-cta {
  display: grid;
  gap: 0.9rem;
  align-items: center;
  grid-template-columns: 1fr auto;
  background: linear-gradient(145deg, rgba(134, 196, 245, 0.17), rgba(74, 116, 154, 0.18));
}

.sentinel-cta h3 {
  margin: 0;
  color: #f0f7ff;
}

.sentinel-cta-actions {
  display: inline-flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.sentinel-pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.sentinel-pillar {
  border-radius: 14px;
  border: 1px solid rgba(155, 186, 218, 0.3);
  background: linear-gradient(165deg, rgba(20, 29, 40, 0.94), rgba(13, 19, 29, 0.94));
  padding: 1rem;
}

.sentinel-pillar strong {
  display: block;
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.96rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
  color: #e6f2ff;
}

.sentinel-pillar p {
  color: #bfd0e2;
  line-height: 1.6;
}

.sentinel-page .footer {
  background: #05070b;
  border-top-color: rgba(173, 196, 224, 0.2);
}

.sentinel-page .footer-text,
.sentinel-page .footer-links {
  color: #aebdd0;
}

@media (max-width: 1080px) {
  .sentinel-hero-grid,
  .sentinel-grid,
  .sentinel-cta,
  .sentinel-shots,
  .sentinel-pillars {
    grid-template-columns: 1fr;
  }

  .sentinel-metrics {
    grid-template-columns: 1fr;
  }

  .sentinel-metric {
    border-right: 0;
    border-bottom: 1px solid rgba(173, 196, 224, 0.16);
  }

  .sentinel-metric:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 760px) {
  .sentinel-hero .container {
    padding-top: 6.1rem;
  }

  .sentinel-main {
    padding-top: 3.6rem;
  }

  .sentinel-title {
    line-height: 0.98;
  }

  .sentinel-brand-row {
    flex-wrap: wrap;
    gap: 0.55rem;
  }

  .sentinel-jump {
    margin-top: 1rem;
  }

  .sentinel-jump a {
    font-size: 0.7rem;
  }

  .sentinel-page .site-nav {
    background: rgba(6, 8, 12, 0.98);
    border-bottom-color: rgba(173, 196, 224, 0.2);
  }
}

@media (max-width: 520px) {
  .sentinel-tabs,
  .sentinel-card,
  .sentinel-docs,
  .sentinel-gallery,
  .sentinel-cta {
    padding: 0.95rem;
  }

  .sentinel-cta .button {
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .sentinel-page .site-nav {
    background: rgba(6, 8, 12, 0.98);
    border-bottom-color: rgba(173, 196, 224, 0.2);
  }
}

@media (max-width: 375px) {
  .sentinel-title {
    font-size: clamp(1.9rem, 10vw, 2.35rem);
  }

  .sentinel-kicker {
    font-size: 0.95rem;
    line-height: 1.62;
  }
}

@media (min-width: 768px) and (max-width: 834px) {
  .sentinel-hero .container {
    padding-top: 6.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sentinel-card,
  .sentinel-docs,
  .sentinel-tabs,
  .sentinel-gallery,
  .sentinel-shot,
  .sentinel-tab,
  .sentinel-panel-content {
    transition: none;
    animation: none;
  }
}

@keyframes sentinel-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}