/*
  Concept 03: Modern asset-management / Northrop-style.
  Deep navy, modular command surfaces, and precision lines give this concept a
  technical asset-operations tone without becoming a generic SaaS dashboard.
*/
:root {
  --navy: #071827;
  --navy-2: #0d2438;
  --navy-3: #142f47;
  --charcoal: #111417;
  --ivory: #f3eadc;
  --paper: #faf5ea;
  --brass: #b39558;
  --brass-light: #dec88f;
  --steel: #8ba0b0;
  --line: rgba(243, 234, 220, 0.16);
  --line-dark: rgba(7, 24, 39, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ivory);
  background: var(--navy);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 24, 39, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  text-decoration: none;
}

.brand span {
  width: 28px;
  height: 28px;
  display: inline-block;
  border: 1px solid var(--brass);
  background:
    linear-gradient(90deg, transparent 47%, var(--brass) 47% 53%, transparent 53%),
    linear-gradient(0deg, transparent 47%, var(--brass) 47% 53%, transparent 53%);
}

nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 40px);
}

nav a,
.header-cta,
.button {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: uppercase;
}

nav a {
  color: rgba(243, 234, 220, 0.7);
}

.header-cta {
  color: var(--brass-light);
}

.hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.62fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  padding: 62px clamp(20px, 5vw, 72px);
  background:
    linear-gradient(90deg, rgba(7, 24, 39, 0.9), rgba(7, 24, 39, 0.98)),
    repeating-linear-gradient(90deg, rgba(243, 234, 220, 0.06) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(243, 234, 220, 0.04) 0 1px, transparent 1px 96px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--brass-light);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 920px;
  font-size: 6.35rem;
  line-height: 0.9;
}

h2 {
  font-size: 4.35rem;
  line-height: 0.96;
}

h3 {
  font-size: 1.55rem;
  line-height: 1.12;
}

p {
  margin: 0;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 710px;
  margin-top: 30px;
  color: rgba(243, 234, 220, 0.72);
  font-size: 1.15rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--line);
}

.button.brass {
  color: var(--navy);
  border-color: var(--brass-light);
  background: var(--brass-light);
}

.button.ghost {
  color: var(--ivory);
  background: rgba(243, 234, 220, 0.02);
}

.command-panel {
  min-height: 460px;
  padding: 26px;
  border: 1px solid rgba(222, 200, 143, 0.36);
  background:
    linear-gradient(180deg, rgba(20, 47, 71, 0.94), rgba(13, 36, 56, 0.96)),
    repeating-linear-gradient(90deg, rgba(243, 234, 220, 0.05) 0 1px, transparent 1px 60px);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.panel-header strong {
  color: var(--brass-light);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.status-grid div {
  min-height: 122px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(7, 24, 39, 0.36);
}

.status-grid span {
  display: block;
  margin-bottom: 24px;
  color: var(--steel);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-grid strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 500;
}

.map-block {
  position: relative;
  height: 250px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(222, 200, 143, 0.14), transparent 48%),
    repeating-linear-gradient(90deg, rgba(243, 234, 220, 0.08) 0 1px, transparent 1px 38px),
    repeating-linear-gradient(0deg, rgba(243, 234, 220, 0.08) 0 1px, transparent 1px 38px);
}

.map-block span {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--brass-light);
  background: var(--navy);
}

.map-block span:nth-child(1) {
  left: 22%;
  top: 38%;
}

.map-block span:nth-child(2) {
  right: 28%;
  top: 24%;
}

.map-block span:nth-child(3) {
  right: 18%;
  bottom: 26%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--navy-2);
}

.trust-strip span {
  min-height: 92px;
  display: grid;
  place-items: center;
  padding: 18px;
  border-right: 1px solid var(--line);
  color: rgba(243, 234, 220, 0.76);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
}

.trust-strip span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(74px, 11vw, 146px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 42px;
}

.problem,
.pricing,
.why {
  color: var(--charcoal);
  background: var(--paper);
}

.problem .eyebrow,
.pricing .eyebrow,
.why .eyebrow {
  color: #8d6f35;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.problem-grid article,
.service-matrix article,
.process-grid article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid currentColor;
}

.problem-grid article {
  border-color: var(--line-dark);
  background: rgba(255, 252, 244, 0.56);
}

.problem-grid span,
.process-grid span {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
}

.problem-grid h3,
.service-matrix h3,
.process-grid h3 {
  margin-bottom: 18px;
}

.problem-grid p,
.service-matrix p,
.process-grid p,
.pricing-grid p,
.why-band p,
.faq p {
  line-height: 1.68;
}

.problem-grid p,
.pricing-grid p,
.why-band p {
  color: #5f5a51;
}

.services,
.process,
.faq {
  background: var(--navy);
}

.service-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-matrix article {
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-matrix p,
.process-grid p,
.faq p {
  color: rgba(243, 234, 220, 0.7);
}

.audit {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.52fr) auto;
  gap: clamp(24px, 4vw, 60px);
  align-items: end;
  background: var(--navy-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.audit p:not(.eyebrow) {
  color: rgba(243, 234, 220, 0.72);
  font-size: 1.06rem;
  line-height: 1.72;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 0.84fr 1fr;
  gap: 18px;
}

.pricing-grid article {
  min-height: 300px;
  padding: 30px;
  border: 1px solid var(--line-dark);
  background: #fffdf6;
}

.pricing-grid article:nth-child(2) {
  color: var(--ivory);
  background: var(--charcoal);
}

.pricing-grid article:nth-child(2) p {
  color: rgba(243, 234, 220, 0.7);
}

.pricing-grid span {
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.pricing-grid strong {
  display: block;
  margin: 44px 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 5.8rem;
  font-weight: 500;
  line-height: 0.9;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-grid article {
  border-color: var(--line);
  background: rgba(20, 47, 71, 0.46);
}

.why-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.why-band p {
  min-height: 190px;
  padding: 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  line-height: 1.12;
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  padding: 25px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.72rem;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--brass-light);
}

.faq details[open] summary::after {
  content: "-";
}

.faq details p {
  max-width: 760px;
  padding-bottom: 28px;
}

.final-cta {
  padding: clamp(74px, 12vw, 150px) clamp(20px, 5vw, 72px);
  text-align: center;
  color: var(--charcoal);
  background: var(--ivory);
}

.final-cta .eyebrow {
  color: #8d6f35;
}

.final-cta h2 {
  width: min(980px, 100%);
  margin: 0 auto 34px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: rgba(243, 234, 220, 0.68);
  font-size: 0.84rem;
}

.footer a {
  color: var(--brass-light);
  text-decoration: none;
}

@media (max-width: 1080px) {
  .service-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 960px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .hero,
  .audit,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .command-panel {
    display: none;
  }

  h1 {
    font-size: 4.6rem;
  }

  h2 {
    font-size: 3.35rem;
  }

  .trust-strip,
  .problem-grid,
  .why-band {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 16px 18px;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .section {
    padding: 64px 18px;
  }

  h1 {
    font-size: 2.75rem;
    line-height: 0.96;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.35rem;
  }

  .command-panel {
    display: none;
  }

  .hero-copy > p:not(.eyebrow) {
    font-size: 1rem;
  }

  .pricing-grid strong {
    font-size: 3.65rem;
  }

  .why-band p {
    font-size: 1.45rem;
  }

  .hero-actions,
  .trust-strip,
  .problem-grid,
  .service-matrix,
  .process-grid,
  .why-band,
  .status-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .trust-strip span {
    min-height: 76px;
    border-right: 0;
  }

  .footer {
    flex-direction: column;
  }
}
