:root {
  color-scheme: dark;
  --bg: #081f3f;
  --surface: rgba(8, 28, 66, 0.95);
  --surface-soft: rgba(16, 44, 92, 0.8);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f7fbff;
  --muted: #bbc9e8;
  --accent: #4dd1a8;
  --accent2: #59a6ff;
  --shadow: rgba(4, 28, 64, 0.25);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #06224f 0%, #0c3c7d 45%, #0a5767 100%);
  color: var(--text);
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem 3rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-name {
  display: grid;
  gap: 0.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-name span {
  font-size: 0.92rem;
  color: var(--muted);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav a,
.cta {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.cta {
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #082136;
  box-shadow: 0 18px 32px rgba(77, 209, 168, 0.2);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
  padding: 2.5rem 2rem 2.75rem;
  background: radial-gradient(circle at top left, rgba(77, 209, 168, 0.15), transparent 32%),
    radial-gradient(circle at bottom right, rgba(89, 166, 255, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 32px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.hero-content {
  display: grid;
  gap: 1.3rem;
}

.eyebrow {
  display: inline-flex;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  background: rgba(77, 209, 168, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-weight: 700;
  width: fit-content;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  max-width: 12ch;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.9;
  max-width: 44rem;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.primary-btn,
.secondary-btn {
  border: none;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #082136;
  padding: 1rem 1.8rem;
  box-shadow: 0 18px 32px rgba(77, 209, 168, 0.22);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 1rem 1.65rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-2px);
  opacity: 0.96;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.note {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.96rem;
  min-width: 10rem;
}

.note span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: rgba(77, 209, 168, 0.18);
  color: var(--accent);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 1.4rem;
  align-items: center;
  justify-items: center;
}

.visual-card {
  width: min(520px, 100%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 32px;
  padding: 1.8rem;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.visual-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.visual-pill {
  width: 3rem;
  height: 3rem;
  border-radius: 22px;
  background: rgba(77, 209, 168, 0.22);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-weight: 800;
  font-size: 1.1rem;
}

.visual-summary {
  display: grid;
  gap: 0.35rem;
}

.visual-summary strong {
  font-size: 0.95rem;
}

.visual-summary span {
  color: var(--muted);
  font-size: 0.95rem;
}

.visual-graphic {
  position: relative;
  width: 100%;
  aspect-ratio: 10 / 13;
  background: linear-gradient(180deg, rgba(12, 60, 124, 0.96), rgba(10, 36, 72, 0.9));
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.visual-graphic::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(77, 209, 168, 0.18), transparent 22%),
    radial-gradient(circle at bottom left, rgba(89, 166, 255, 0.16), transparent 24%);
}

.visual-screen {
  position: absolute;
  inset: 1.2rem;
  border-radius: 26px;
  background: #0c355f;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  overflow: hidden;
}

.screen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.screen-dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
}

.screen-header {
  display: grid;
  gap: 0.3rem;
}

.screen-header strong {
  font-size: 0.95rem;
  color: #e5f0ff;
}

.screen-header span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.screen-body {
  display: grid;
  gap: 1rem;
  flex: 1;
  overflow: hidden;
}

.screen-widget {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.screen-widget h3 {
  margin: 0;
  font-size: 0.95rem;
  color: #e4f5ff;
}

.screen-widget span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
  line-height: 1.6;
}

.highlight {
  color: var(--accent);
}

.hero-visual .card-list {
  display: grid;
  gap: 1rem;
}

.small-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.small-card h4 {
  margin: 0;
  font-size: 0.96rem;
}

.small-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer {
  margin-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .hero-visual {
    order: -1;
  }
}

@media (max-width: 680px) {
  header {
    flex-direction: column;
    align-items: stretch;
  }

  nav {
    justify-content: space-between;
  }

  .hero {
    padding: 1.5rem;
  }

  h1 {
    font-size: clamp(2.8rem, 8vw, 3.6rem);
  }

  .visual-card {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .page {
    padding: 1rem;
  }

  nav {
    gap: 0.8rem;
  }

  .buttons {
    flex-direction: column;
  }
}

/* Lightbox Styles */
.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.lightbox-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  background: linear-gradient(135deg, rgba(12, 60, 124, 0.98), rgba(8, 28, 66, 0.98));
  border: 1px solid rgba(77, 209, 168, 0.3);
  border-radius: 32px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
  animation: slideUp 0.4s ease;
  position: relative;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  font-size: 1.5rem;
  transition: all 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.lightbox-icon {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.lightbox-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 1rem 0;
  letter-spacing: -0.03em;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lightbox-description {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 1.5rem 0 2rem;
}

.lightbox-button {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #082136;
  padding: 1rem 2rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 18px 32px rgba(77, 209, 168, 0.22);
}

.lightbox-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px rgba(77, 209, 168, 0.28);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}