:root {
  color-scheme: dark;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  --bg: #0D0F11;
  --surface: #0F2A45;
  --surface-strong: #08101A;
  --surface-muted: #121C2C;
  --border: rgba(106, 140, 163, 0.18);
  --text: #F2F4F5;
  --text-muted: #6A8CA3;
  --heading: #F2F4F5;
  --accent: #4FA3AC;
  --accent-dark: #2F707B;
  --accent-soft: rgba(79, 163, 172, 0.18);
  --accent-bg: rgba(79, 163, 172, 0.08);
  --accent-shadow: rgba(79, 163, 172, 0.22);
  --warning: #c49c4b;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
  --radius: 10px;
  --radius-sm: 8px;
  --max-width: 1180px;
  --gap: 1.5rem;
}

@keyframes pulse-glow {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 18px 38px rgba(79, 163, 172, 0.24);
  }

  50% {
    transform: translateY(-1px);
    box-shadow: 0 22px 46px rgba(79, 163, 172, 0.32);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary,
  .nav-cta {
    animation: none;
    transition-duration: 120ms;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 18% 12%, rgba(79, 163, 172, 0.08), transparent 20%),
    radial-gradient(circle at 82% 15%, rgba(106, 140, 163, 0.08), transparent 14%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%),
    var(--bg);
  color: var(--text);
  font-size: clamp(0.95rem, 1vw, 1rem);
  line-height: 1.75;
  background-attachment: fixed;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(106, 140, 163, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 140, 163, 0.08) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.page-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  position: relative;
  z-index: 1;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
a {
  transition: all 180ms ease;
}

.page-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.site-navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  background: rgba(11, 13, 16, 0.96);
  border-bottom: 1px solid rgba(106, 140, 163, 0.16);
  backdrop-filter: blur(24px);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text);
  font-size: 0.95rem;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 10px 30px rgba(79, 163, 172, 0.12);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}

.nav-links a:not(.nav-cta) {
  color: var(--text-muted);
  font-size: 0.96rem;
  padding: 0.45rem 0.3rem;
  border-radius: 0.75rem;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid rgba(79, 163, 172, 0.18);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.nav-toggle:hover {
  background: rgba(79, 163, 172, 0.08);
  transform: translateY(-1px);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.35rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 600;
  box-shadow: 0 18px 38px rgba(79, 163, 172, 0.22);
}

.hero-section,
.section,
.cta-banner,
.site-footer {
  margin-top: 3rem;
}

.hero-section {
  display: grid;
  gap: 2.5rem;
  padding: 4rem 0;
  background: radial-gradient(circle at top left, rgba(79, 163, 172, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(15, 33, 52, 0.92), rgba(13, 15, 18, 0.98));
  border: 1px solid rgba(106, 140, 163, 0.14);
  border-radius: calc(var(--radius) * 0.85);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.45);
  position: relative;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: calc(var(--radius) * 0.85);
  background: radial-gradient(circle at 10% 10%, rgba(79, 163, 172, 0.08), transparent 18%);
  pointer-events: none;
}

.hero-copy {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero-section h1,
.section-intro h2,
.cta-banner h2 {
  margin: 1rem 0 1rem;
  font-size: clamp(2.8rem, 4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
  color: var(--heading);
}

.hero-text,
.section-copy,
.site-footer p,
.faq-card p,
.benefit-card,
.product-card p {
  margin: 0;
}

.hero-text {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2.25rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 1.6rem;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 18px 40px rgba(79, 163, 172, 0.22);
  animation: pulse-glow 3.5s ease-in-out infinite;
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 28px 56px rgba(79, 163, 172, 0.28);
}

.nav-cta {
  animation: pulse-glow 3.5s ease-in-out infinite;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(79, 163, 172, 0.08);
  color: var(--text);
  border: 1px solid rgba(79, 163, 172, 0.18);
}

.btn-secondary:hover {
  background: rgba(79, 163, 172, 0.16);
}

.hero-trust {
  margin-top: 0.75rem;
  color: var(--text-muted);
}

.hero-visual {
  display: grid;
  gap: 1.5rem;
  align-content: start;
  width: 100%;
  position: relative;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(106, 140, 163, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02), 0 24px 80px rgba(0, 0, 0, 0.18);
}

.visual-card,
.panel-heading,
.panel-item,
.timeline-card,
.product-card,
.benefit-card,
.feature-card,
.faq-card,
.audience-card,
.visual-panel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(106, 140, 163, 0.16);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.visual-card {
  padding: 1.35rem;
  position: relative;
}

.visual-card-large {
  max-width: 560px;
  border: 1px solid rgba(106, 140, 163, 0.18);
  background: rgba(15, 25, 40, 0.9);
}

.visual-card-header {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(106, 140, 163, 0.16);
}

.dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
}

.dot.green {
  background: rgba(79, 163, 172, 0.9);
}

.dot.yellow {
  background: rgba(242, 244, 245, 0.9);
}

.dot.red {
  background: rgba(255, 122, 82, 0.95);
}

.visual-status {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}

.visual-status span {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.visual-status strong {
  color: var(--heading);
  letter-spacing: -0.04em;
  font-size: 1.05rem;
}

.visual-card-body {
  display: grid;
  gap: 1.35rem;
}

.visual-list {
  display: grid;
  gap: 0.8rem;
}

.visual-list-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border-left: 3px solid transparent;
}

.visual-list-item.checked {
  color: var(--text);
  border-left-color: var(--accent);
  background: var(--accent-bg);
}

.visual-list-item.checked::before {
  content: "✓";
  display: inline-flex;
  width: 1.3rem;
  height: 1.3rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.4rem;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.8rem;
}

.visual-panel {
  padding: 1.4rem;
  display: grid;
  gap: 1rem;
  background: rgba(11, 18, 30, 0.94);
  border: 1px solid rgba(79, 163, 172, 0.22);
}

.panel-heading {
  display: grid;
  gap: 0.5rem;
}

.panel-heading span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.panel-heading strong {
  font-size: 1.15rem;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.panel-item {
  padding: 1rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
}
.panel-item strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.panel-item span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section {
  padding: 2.5rem 0;
  scroll-margin-top: 110px;
  background: transparent;
}

.section-alt {
  background: rgba(15, 26, 39, 0.98);
}

.section-intro {
  max-width: 720px;
}

.section-copy {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.8;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card,
.benefit-card,
.product-card,
.faq-card,
.audience-card,
.panel-item,
.visual-panel {
  padding: 1.5rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-card {
  min-height: 120px;
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 600;
  color: var(--text);
  border: 1px solid rgba(106, 140, 163, 0.16);
  background: rgba(15, 28, 45, 0.92);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.18);
  border-color: rgba(79, 163, 172, 0.28);
}

.benefits-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.benefit-card {
  min-height: 120px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid rgba(106, 140, 163, 0.16);
  background: rgba(13, 22, 36, 0.92);
}

.benefit-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16);
  border-color: rgba(79, 163, 172, 0.24);
}

.timeline-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.timeline-card {
  padding: 1.5rem;
  border-top: 2px solid rgba(79, 163, 172, 0.24);
  background: rgba(15, 25, 40, 0.88);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.timeline-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.16);
  border-color: rgba(79, 163, 172, 0.3);
}

.timeline-day {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.55rem 0.95rem;
  border-radius: 1rem;
  background: var(--accent-bg);
  color: var(--accent-dark);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.product-card {
  background: rgba(14, 24, 40, 0.95);
  border: 1px solid rgba(106, 140, 163, 0.18);
}

.product-card h3 {
  margin: 0 0 0.75rem;
  color: var(--heading);
}

.product-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.audience-grid {
  display: grid;
  gap: 1.5rem;
}

.list-bullets,
.list-muted {
  margin: 1.2rem 0 0;
  padding-left: 1.25rem;
}

.list-bullets li,
.list-muted li {
  margin-bottom: 0.75rem;
}

.list-bullets li {
  color: var(--text);
}

.list-muted li {
  color: var(--text-muted);
}

.audience-card {
  padding: 1.75rem;
}

.cta-banner {
  display: grid;
  align-items: center;
  gap: 1.5rem;
  padding: 2.75rem 1.75rem;
  border-radius: calc(var(--radius) * 1.2);
  background: linear-gradient(135deg, rgba(12, 25, 45, 0.95), rgba(8, 12, 18, 0.99));
  border: 1px solid rgba(79, 163, 172, 0.18);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
  color: #fff;
  margin-top: 3rem;
}

.cta-banner h2 {
  margin: 0.4rem 0 0;
  color: #fff;
}

.cta-banner .btn {
  width: fit-content;
}

.faq-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.faq-card {
  background: rgba(13, 24, 38, 0.9);
  border: 1px solid rgba(106, 140, 163, 0.14);
  border-radius: var(--radius-sm);
}

.faq-card h3 {
  margin-top: 0;
}

.faq-card p {
  margin-top: 0.85rem;
  color: var(--text-muted);
}

.site-footer {
  display: grid;
  gap: 1.5rem;
  padding: 2.25rem 0 1rem;
  border-top: 1px solid rgba(79, 163, 172, 0.16);
  color: var(--text-muted);
  background: rgba(10, 14, 18, 0.85);
}

.footer-brand {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  color: var(--text-muted);
}

.footer-links a {
  color: var(--text-muted);
}

@media (min-width: 900px) {
  .hero-section {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .hero-visual {
    align-self: center;
  }

  .hero-copy {
    padding-right: 1rem;
  }

  .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .audience-grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }

  .cta-banner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .cta-banner .btn {
    width: auto;
  }
}

@media (max-width: 680px) {
  .page-shell {
    padding: 0 1rem 2.5rem;
  }

  .site-navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 1.1rem 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-navbar.nav-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 0.9rem 1rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
  }

  .nav-cta {
    width: 100%;
  }

  .hero-section {
    gap: 1.5rem;
    padding: 2.25rem 1rem;
  }

  .hero-section h1 {
    font-size: clamp(2rem, 7vw, 2.8rem);
  }

  .visual-panel {
    padding: 1.1rem;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .site-navbar {
    gap: 0.75rem;
  }

  .nav-links {
    gap: 0.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cta-banner {
    text-align: center;
  }

  .cta-banner .btn {
    width: 100%;
  }
}

@media (min-width: 900px) {
  .site-footer {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .footer-links {
    justify-content: flex-end;
  }
}