/*
  Design philosophy: Aeronautical modernism using the Pro-Logist powder blue, dark aviation tones,
  panoramic section rhythm, and premium serif/sans typography. Every choice should reinforce control,
  movement, and discretion rather than generic SaaS aesthetics.
*/

@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:wght@400;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --brand-blue: #7f9fb8;
  --brand-blue-deep: #6d8ca3;
  --navy: #08111d;
  --navy-soft: #101c2a;
  --graphite: #25313f;
  --graphite-soft: #5d6b79;
  --line: rgba(207, 216, 223, 0.22);
  --line-strong: rgba(207, 216, 223, 0.42);
  --ivory: #f4f6f8;
  --white: #ffffff;
  --shadow-lg: 0 30px 90px rgba(3, 8, 15, 0.28);
  --shadow-md: 0 18px 40px rgba(8, 17, 29, 0.18);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(127, 159, 184, 0.18), transparent 28%),
    linear-gradient(180deg, #09111c 0%, #0b1420 30%, #eff3f6 30.1%, #eff3f6 100%);
  color: var(--navy);
}

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

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

.site-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 18px auto 32px;
  position: relative;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 90px 90px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  background: rgba(127, 159, 184, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 14px;
  z-index: 20;
  box-shadow: 0 18px 50px rgba(8, 17, 29, 0.2);
}

.brandmark {
  display: block;
  width: 244px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 4px;

  /* hide edge artifact */
  clip-path: inset(0 1px 0 0);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topnav a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 11px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.94);
  transition: background-color 220ms ease, color 220ms ease, transform 220ms ease;
}

.topnav a:hover,
.topnav a:focus-visible {
  background: rgba(8, 17, 29, 0.16);
  transform: translateY(-1px);
}

.topnav .nav-cta {
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
}

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: clamp(42px, 6vw, 76px);
  min-height: min(82vh, 760px);
  margin-top: 12px;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) + 8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 17, 29, 0.9) 0%, rgba(8, 17, 29, 0.82) 28%, rgba(8, 17, 29, 0.54) 58%, rgba(8, 17, 29, 0.26) 100%),
    linear-gradient(180deg, rgba(8, 17, 29, 0.18), rgba(8, 17, 29, 0.44)),
    url('https://d2xsxph8kpxj0f.cloudfront.net/310519663470835225/8ufZ4yyXbTa2h9b3WgaFRw/IMG_3116_392e8cb3.jpg') center 56% / cover no-repeat;
  transform: scale(1.02);
  z-index: 0;
}

.hero-copy {
  position: relative;
  z-index: 1;
  color: var(--ivory);
  padding: 0;
  max-width: 760px;
}

.eyebrow,
.section-index,
.band-title,
.manifest-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.eyebrow {
  color: rgba(207, 216, 223, 0.86);
  margin: 0 0 18px;
}

.hero h1,
.final-cta h2,
section h2,
.closing-line {
  font-family: 'Libre Caslon Text', serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.35rem, 4.15vw, 4.15rem);
  line-height: 1.02;
  max-width: 10.2ch;
}

.hero-text {
  margin: 22px 0 0;
  max-width: 31rem;
  font-size: 1rem;
  line-height: 1.82;
  color: rgba(244, 246, 248, 0.84);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 220ms ease, background-color 220ms ease, border-color 220ms ease, color 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--brand-blue);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--brand-blue-deep);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.26);
  color: var(--ivory);
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.08);
}

.credibility-strip {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.9;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(207, 216, 223, 0.78);
  max-width: 48rem;
}

.hero-visual {
  display: none;
}

.hero-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
  position: absolute;
  background: var(--navy);
}

.hero-frame::after,
.capability-visual::after,
.proof-stack::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 17, 29, 0.08), rgba(8, 17, 29, 0.36));
  pointer-events: none;
}

.hero-frame img,
.capability-visual img,
.proof-stack img {
  height: 100%;
  object-fit: cover;
}

.hero-frame-main {
  inset: 0 0 24px 42px;
}

.hero-frame-main::after {
  background: linear-gradient(180deg, rgba(8, 17, 29, 0.12), rgba(8, 17, 29, 0.5));
}

.hero-frame-side {
  width: 246px;
  height: 292px;
  left: 0;
  bottom: 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.corridor-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  border-top: 1px solid rgba(207, 216, 223, 0.15);
  border-bottom: 1px solid rgba(207, 216, 223, 0.15);
  color: var(--ivory);
}

.band-routes {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.band-routes span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.band-routes span:not(:last-child)::after {
  content: "";
  width: 42px;
  height: 1px;
  background: rgba(207, 216, 223, 0.4);
}

section {
  position: relative;
}

.section-grid {
  display: grid;
  gap: 28px;
  padding: 84px 0;
}

.engaged {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.section-heading-block {
  max-width: 30rem;
}

.section-heading-block.compact {
  max-width: 20rem;
}

.section-index {
  color: var(--brand-blue-deep);
  margin: 0 0 18px;
}

section h2 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.04;
  color: var(--ivory);
}

.section-heading-block p:not(.section-index) {
  margin: 0;
  color: rgba(207, 216, 223, 0.78);
  font-size: 1rem;
  line-height: 1.9;
}

.statement-list,
.failure-grid,
.proof-list {
  display: grid;
  gap: 16px;
}

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

.statement-list article,
.failure-grid article,
.manifest-grid article,
.timeline article,
.proof-list article {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(37, 49, 63, 0.08);
  background: rgba(255, 255, 255, 0.74);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 16px 36px rgba(12, 23, 36, 0.06);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.statement-list article::before,
.failure-grid article::before,
.manifest-grid article::before,
.timeline article::before,
.proof-list article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), rgba(127, 159, 184, 0));
}

.statement-list article:hover,
.failure-grid article:hover,
.manifest-grid article:hover,
.timeline article:hover,
.proof-list article:hover {
  transform: translateY(-4px);
  border-color: rgba(127, 159, 184, 0.36);
  box-shadow: 0 20px 46px rgba(8, 17, 29, 0.1);
}

.statement-list h3 {
  margin: 0 0 12px;
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite-soft);
}

.statement-list p,
.failure-grid p,
.manifest-grid p,
.timeline p,
.proof-list p {
  margin: 0;
  line-height: 1.7;
  color: var(--navy);
}

.capability {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
}

.capability-visual,
.proof-stack {
  min-height: 580px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.capability-copy {
  padding-left: 20px;
}

.manifest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.manifest-label {
  display: inline-block;
  color: var(--brand-blue-deep);
  margin-bottom: 12px;
}

.failure-section {
  margin: 0 calc(50% - 50vw);
  padding: 92px max(24px, calc((100vw - var(--container)) / 2 + 16px));
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--ivory);
}

.failure-header h2,
.failure-header .section-index,
.final-cta h2,
.closing-line.light {
  color: var(--ivory);
}

.failure-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.failure-grid article {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.failure-grid p {
  color: rgba(244, 246, 248, 0.98);
}

/* Light-background sections restore navy text */
.capability h2,
.proof h2,
.operations h2 {
  color: var(--navy);
}

.capability .section-heading-block p:not(.section-index),
.proof .section-heading-block p:not(.section-index),
.operations .section-heading-block p:not(.section-index) {
  color: var(--graphite-soft);
}

.closing-line {
  margin: 26px 0 0;
  font-family: 'Libre Caslon Text', serif;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  line-height: 1.3;
  color: var(--ivory);
}

.operations {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline article {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: var(--brand-blue);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.proof {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  align-items: center;
  gap: 36px;
}

.proof-copy {
  padding-right: 16px;
}

.final-cta {
  padding: 20px 0 96px;
}

.final-cta-inner {
  position: relative;
  overflow: hidden;
  padding: 54px clamp(26px, 5vw, 70px);
  border-radius: calc(var(--radius-lg) + 8px);
  background: linear-gradient(135deg, rgba(127, 159, 184, 0.78), rgba(109, 140, 163, 0.62));
  color: var(--white);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.final-cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 17, 29, 0.82) 0%, rgba(8, 17, 29, 0.66) 30%, rgba(8, 17, 29, 0.38) 62%, rgba(8, 17, 29, 0.2) 100%),
    linear-gradient(180deg, rgba(127, 159, 184, 0.14), rgba(8, 17, 29, 0.28));
  z-index: 1;
}

.final-cta-media {
  position: absolute;
  inset: 0;
}

.final-cta-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  filter: saturate(0.96) contrast(1.04) brightness(0.72);
}

.final-cta-content {
  position: relative;
  z-index: 2;
  max-width: 40rem;
}

.final-cta h2 {
  margin: 12px 0 0;
  max-width: 14ch;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 1;
}

.final-actions {
  margin-bottom: 0;
}

.final-cta .eyebrow {
  color: rgba(244, 246, 248, 0.82);
}

.final-cta .button-primary {
  background: var(--navy);
}

.final-cta .button-primary:hover,
.final-cta .button-primary:focus-visible {
  background: #13243a;
}

@media (max-width: 1180px) {
  .engaged,
  .capability,
  .operations,
  .proof {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 680px;
    padding: 48px clamp(28px, 5vw, 52px);
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(8, 17, 29, 0.9) 0%, rgba(8, 17, 29, 0.8) 34%, rgba(8, 17, 29, 0.56) 62%, rgba(8, 17, 29, 0.28) 100%),
      linear-gradient(180deg, rgba(8, 17, 29, 0.2), rgba(8, 17, 29, 0.42)),
      url('https://d2xsxph8kpxj0f.cloudfront.net/310519663470835225/8ufZ4yyXbTa2h9b3WgaFRw/IMG_3116_392e8cb3.jpg') 62% 56% / cover no-repeat;
  }

  .hero h1 {
    max-width: 11ch;
    font-size: clamp(2.65rem, 6.2vw, 4rem);
  }


  .capability-copy,
  .proof-copy {
    padding: 0;
  }

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

@media (max-width: 820px) {
  .site-shell {
    width: min(calc(100% - 18px), var(--container));
    margin-top: 10px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    position: relative;
    top: 0;
  }

  .topnav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 560px;
    padding: 34px 22px 40px;
    align-items: flex-end;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(8, 17, 29, 0.3) 0%, rgba(8, 17, 29, 0.48) 38%, rgba(8, 17, 29, 0.72) 100%),
      linear-gradient(90deg, rgba(8, 17, 29, 0.82) 0%, rgba(8, 17, 29, 0.56) 42%, rgba(8, 17, 29, 0.24) 100%),
      url('https://d2xsxph8kpxj0f.cloudfront.net/310519663470835225/8ufZ4yyXbTa2h9b3WgaFRw/IMG_3116_392e8cb3.jpg') 66% center / cover no-repeat;
  }

  .hero-copy {
    padding: 0;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 13vw, 3.7rem);
    max-width: 10.5ch;
  }

  .hero-text {
    font-size: 1rem;
    line-height: 1.8;
  }


  .corridor-band,
  .band-routes,
  .statement-list,
  .manifest-grid,
  .failure-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .section-grid {
    padding: 62px 0;
  }

  .statement-list,
  .manifest-grid,
  .failure-grid,
  .proof-list,
  .timeline {
    gap: 14px;
  }

  .timeline article {
    grid-template-columns: 1fr;
  }

  .capability-visual,
  .proof-stack {
    min-height: 420px;
  }

  .failure-section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .final-cta {
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}