/* ================================================
   D3 SECURE — Shared Stylesheet
   Colors: #0a0a0a (bg), #f0ede8 (text), #ED2024 (accent)
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:   #0a0a0a;
  --black2:  #111111;
  --black3:  #1a1a1a;
  --white:   #f0ede8;
  --white2:  #c8c4be;
  --red:     #ED2024;
  --red-dim: #a5151a;
  --serif:   'Cormorant Garamond', Georgia, serif;
  --sans:    'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 22px;
  line-height: 1.75;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 300; }
h4 { font-size: 1.05rem; font-weight: 600; font-family: var(--sans); letter-spacing: 0.12em; text-transform: uppercase; }

p { margin-bottom: 1.2em; color: var(--white2); font-size: 1rem; } /* 1rem = 20px */
p:last-child { margin-bottom: 0; }

a { color: var(--white); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--red); }

/* ── Layout ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--dark  { background: var(--black); }
.section--mid   { background: var(--black2); }
.section--light { background: var(--black3); }

/* ── Red rule / dividers ── */
.red-rule {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--red);
  margin-bottom: 1.5rem;
}

.red-rule--center { margin-left: auto; margin-right: auto; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: background 0.3s, padding 0.3s, border-bottom 0.3s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.97);
  border-bottom-color: rgba(237, 32, 36, 0.25);
  padding: 0.8rem 0;
  backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.nav__logo img,
.nav__logo svg {
  height: 54px;
  width: auto;
}

.nav__wordmark {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--white);
  white-space: nowrap;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white2);
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active { color: var(--white); }

.nav__links a.active::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--red);
  margin-top: 2px;
}

/* Hamburger (mobile) */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--black);
  padding: 8rem 2rem 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(255,255,255,0.018) 79px,
      rgba(255,255,255,0.018) 80px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(255,255,255,0.018) 79px,
      rgba(255,255,255,0.018) 80px
    );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero__logo {
  width: 190px;
  height: auto;
  margin-bottom: 2.5rem;
}

.hero__eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.2rem;
}

.hero__title {
  font-size: clamp(1.8rem, 3.8vw, 3.1rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 1rem;
  font-style: italic;
}

.hero__subtitle {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 2rem;
}

.hero__divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--red), transparent);
  margin: 0 auto 2rem;
}

.hero__body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--white2);
  max-width: 600px;
  margin: 0 auto 2.8rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.85rem 2.2rem;
  border: 1px solid var(--red);
  color: var(--white);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
  text-decoration: none;
}

.btn:hover {
  background: var(--red);
  color: #fff;
}

.btn--solid {
  background: var(--red);
  color: #fff;
}
.btn--solid:hover {
  background: var(--red-dim);
  color: #fff;
}

/* ── PAGE HEADER (inner pages) ── */
.page-header {
  padding: 10rem 0 5rem;
  background: var(--black);
  border-bottom: 1px solid rgba(237, 32, 36, 0.2);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 99px,
      rgba(255,255,255,0.015) 99px,
      rgba(255,255,255,0.015) 100px
    );
  pointer-events: none;
}

.page-header__eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.page-header__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--white);
}

/* ── GRID LAYOUTS ── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

/* ── CARDS ── */
.card {
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-top: 2px solid var(--red);
  background: var(--black2);
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-top-color: var(--red);
  transform: translateY(-3px);
}

.card__icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--red);
}

.card__title {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.card__body { font-size: 0.9rem; color: var(--white2); } /* 18px */

/* ── SECTION HEADERS ── */
.section-header { margin-bottom: 4rem; }
.section-header--center { text-align: center; }

.section-header__eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.section-header__title { color: var(--white); margin-bottom: 1.2rem; }
.section-header__lead { font-size: 1rem; color: var(--white2); max-width: 640px; }
.section-header--center .section-header__lead { margin: 0 auto; }

/* ── METHODOLOGY pillars ── */
.pillar {
  display: flex;
  gap: 2rem;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.pillar:last-child { border-bottom: none; }

.pillar__number {
  font-family: var(--serif);
  font-size: 4rem;
  font-weight: 300;
  color: rgba(237, 32, 36, 0.18);
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
  text-align: right;
}

.pillar__content h3 {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.pillar__content h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  margin-bottom: 1rem;
}

/* ── PULL QUOTE ── */
.pullquote {
  border-left: 3px solid var(--red);
  padding: 1.2rem 2rem;
  margin: 2.5rem 0;
  background: rgba(237, 32, 36, 0.04);
}

.pullquote p {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--white);
  line-height: 1.6;
}

/* ── WHO WE SERVE ── */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}

.serve-item {
  background: var(--black2);
  padding: 2.5rem;
  transition: background 0.2s;
}

.serve-item:hover { background: var(--black3); }

.serve-item__label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.serve-item__title {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.7rem;
  font-weight: 400;
}

.serve-item__body { font-size: 0.9rem; color: var(--white2); } /* 18px */

/* ── CONTACT PAGE ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
}

.contact-info__label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.3rem;
}

.contact-info__value {
  font-size: 1rem;
  color: var(--white);
}

.contact-info__value a { color: var(--white); }
.contact-info__value a:hover { color: var(--red); }

/* ── FOOTER ── */
.footer {
  background: #050505;
  border-top: 1px solid rgba(237, 32, 36, 0.2);
  padding: 3rem 0;
}

.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.footer__logo img { height: 32px; width: auto; }

.footer__wordmark {
  font-family: var(--serif);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--white2);
}

.footer__copy {
  font-size: 0.72rem;
  color: rgba(200, 196, 190, 0.4);
  letter-spacing: 0.08em;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer__links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(200, 196, 190, 0.5);
}

.footer__links a:hover { color: var(--white); }

/* ── STAT BAR ── */
.stat-bar {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.07);
  background: var(--black2);
}

.stat-bar__item {
  flex: 1;
  padding: 2rem;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.07);
}

.stat-bar__item:last-child { border-right: none; }

.stat-bar__number {
  font-family: var(--serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--red);
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-bar__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white2);
}

/* ── PATENT BADGE ── */
.patent-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white2);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.35rem 0.85rem;
  margin-top: 1.5rem;
}

.patent-badge::before {
  content: '⚖';
  color: var(--red);
  font-size: 0.8rem;
}

/* ── ABOUT BIO ── */
.bio-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.bio-block__sidebar {
  position: sticky;
  top: 6rem;
}

.bio-block__name {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.bio-block__credentials {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.bio-block__meta {
  font-size: 0.9rem;
  color: var(--white2);
  line-height: 1.8;
}

/* ── CORVUS FEATURE ── */
.corvus-feature {
  background: var(--black2);
  border: 1px solid rgba(237, 32, 36, 0.15);
  padding: 4rem;
  position: relative;
  overflow: hidden;
}

.corvus-feature::before {
  content: 'KORPR';
  position: absolute;
  top: -0.5rem;
  right: -1rem;
  font-family: var(--serif);
  font-size: 8rem;
  font-weight: 300;
  color: rgba(237, 32, 36, 0.04);
  letter-spacing: -0.02em;
  pointer-events: none;
  white-space: nowrap;
}

.corvus-feature__eyebrow {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

/* ── CAPABILITIES LIST ── */
.capabilities-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
}

.capabilities-list__item {
  background: var(--black2);
  padding: 2rem 2.5rem;
  border-left: 3px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.capabilities-list__item:hover {
  border-left-color: var(--red);
  background: var(--black3);
}

.capabilities-list__title {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.capabilities-list__body { font-size: 0.9rem; color: var(--white2); } /* 18px */

/* ── INTELLIGENCE GAP ── */
.gap-items { display: flex; flex-direction: column; gap: 2rem; }

.gap-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.gap-item__marker {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: rgba(237, 32, 36, 0.1);
  border: 1px solid rgba(237, 32, 36, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.05em;
  margin-top: 0.1rem;
}

.gap-item__content h4 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.gap-item__content p { font-size: 0.9rem; } /* 18px */

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-3, .grid-2, .contact-grid, .bio-block {
    grid-template-columns: 1fr;
  }

  .serve-grid { grid-template-columns: 1fr; }
  .capabilities-list { grid-template-columns: 1fr; }

  .bio-block__sidebar { position: static; }

  .stat-bar { flex-direction: column; }
  .stat-bar__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .stat-bar__item:last-child { border-bottom: none; }

  .pillar { flex-direction: column; gap: 1rem; }
  .pillar__number { width: auto; text-align: left; }

  .corvus-feature { padding: 2.5rem; }
}

@media (max-width: 680px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    border-bottom: 1px solid rgba(237,32,36,0.2);
  }
  .nav__toggle { display: flex; }

  .section { padding: 4rem 0; }
  .hero { padding: 7rem 1.5rem 4rem; }

  .footer__inner { flex-direction: column; align-items: flex-start; gap: 1.2rem; }

  .contact-grid { gap: 3rem; }
}