/* ============================================================
   PRINCIPIA RATIO — Strategic cyber capability advisory
   Editorial, understated, authoritative. No gradients, no
   animation beyond functional feedback, no rounded corners.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Colour primitives */
  --c-burgundy:       #6B0C2B;
  --c-burgundy-dark:  #4A0820;
  --c-burgundy-light: #8B1A40;
  --c-gold:           #C4A000;
  --c-gold-muted:     #9C7E00;
  --c-gold-light:     #D4B200;
  --c-cream:          #FAF7F0;
  --c-cream-mid:      #EDE8DC;
  --c-cream-dark:     #D8D0BF;
  --c-ink:            #2C1A0E;
  --c-ink-mid:        #49301F;
  --c-ink-light:      #634735;
  --c-white:          #FFFFFF;

  /* On-dark text */
  --on-dark:          rgba(250, 247, 240, 0.92);
  --on-dark-muted:    rgba(250, 247, 240, 0.78);
  --on-dark-faint:    rgba(250, 247, 240, 0.62);

  /* Type */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    Georgia, 'Times New Roman', serif;

  /* Layout */
  --max-width: 1200px;
  --gutter:    80px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  background: var(--c-cream);
  color: var(--c-ink);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap { max-width: var(--max-width); margin: 0 auto; }
[data-section] { scroll-margin-top: 68px; }

main { flex: 1 0 auto; }

/* ─── Header ──────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 var(--gutter);
  background: var(--c-burgundy);
}

.logo {
  display: flex;
  align-items: baseline;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.01em;
}
.logo .mark-1 { color: var(--c-cream); }
.logo .mark-2 { color: var(--c-gold); }

.site-nav { display: flex; gap: 36px; }
.site-nav a {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--c-gold);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--c-gold-light); }
.site-nav a.active { color: var(--c-gold-light); border-bottom-color: var(--c-gold); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-gold-light);
  outline-offset: 4px;
}

/* ─── Shared section primitives ───────────────────────────── */
.section { padding: 80px var(--gutter); }
.gold-rule { background: var(--c-gold); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-ink-light);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-burgundy);
  min-height: calc(100svh - 68px);
  display: flex;
  align-items: center;
  padding: 96px var(--gutter) 86px;
  border-bottom: 6px solid var(--c-gold);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(74, 8, 32, 0.94) 0%, rgba(74, 8, 32, 0.76) 42%, rgba(74, 8, 32, 0.3) 100%),
    linear-gradient(0deg, rgba(74, 8, 32, 0.34), rgba(74, 8, 32, 0.08));
}
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.04);
  animation: hero-slide 24s infinite;
}
.hero__slide:nth-child(2) {
  animation-delay: 8s;
}
.hero__slide:nth-child(3) {
  animation-delay: 16s;
}
.hero__inner { position: relative; z-index: 2; max-width: 820px; }
.hero__eyebrow {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 62px;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
  color: var(--c-cream);
  margin-bottom: 36px;
}
.hero__lede {
  font-size: 21px;
  line-height: 1.65;
  color: var(--on-dark);
  max-width: 640px;
  margin-bottom: 48px;
}
.hero__lede p + p { margin-top: 18px; }
.hero__actions { display: flex; gap: 20px; align-items: center; }

@keyframes hero-slide {
  0% { opacity: 0; transform: scale(1.04); }
  6% { opacity: 1; }
  30% { opacity: 1; }
  39% { opacity: 0; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.04); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    animation: none;
  }
  .hero__slide:first-child {
    opacity: 1;
    transform: none;
  }
}

/* ─── Buttons & inline links ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.03em;
  text-decoration: none;
}
.btn .arrow { color: var(--c-gold); }
.btn--ghost {
  background: transparent;
  color: var(--c-cream);
  border: 1px solid rgba(250, 247, 240, 0.58);
}
.btn--ghost:hover { border-color: var(--c-cream); }

.link-gold {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 1px;
}
.link-gold:hover { color: var(--c-gold-muted); border-bottom-color: var(--c-gold-muted); }
.link-gold--sm { font-size: 15px; }

/* ─── About section ───────────────────────────────────────── */
.about { background: var(--c-cream-mid); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.bar { width: 40px; height: 3px; background: var(--c-gold); margin-bottom: 28px; }
.about h2 {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-ink);
  margin-bottom: 28px;
}
.about__body { font-size: 18px; line-height: 1.7; color: var(--c-ink-mid); }
.about__col { padding-top: 8px; }
.about__body + .about__body--sub { margin-top: 22px; }
.about__body--sub { font-size: 16px; color: var(--c-ink-light); }

/* ─── Page banner ─────────────────────────────────────────── */
.banner {
  background: var(--c-burgundy);
  padding: 80px var(--gutter) 64px;
  border-bottom: 6px solid var(--c-gold);
}
.banner__inner { max-width: 700px; }
.banner__eyebrow {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  margin-bottom: 24px;
}
.banner h1 {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--c-cream);
  margin-bottom: 28px;
}
.banner h1:last-child { margin-bottom: 0; }
.banner__lede { font-size: 20px; line-height: 1.65; color: var(--on-dark); }

/* ─── Contact page ────────────────────────────────────────── */
.page-contact {
  background: var(--c-cream);
  min-height: 560px;
  padding: 80px var(--gutter);
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.page-contact__inner { max-width: 680px; width: 100%; }
.bar--sm { width: 32px; height: 2px; }
.page-contact h1 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  color: var(--c-ink);
  margin-bottom: 16px;
}
.page-contact__lede { font-size: 18px; line-height: 1.65; color: var(--c-ink-mid); margin-bottom: 36px; }
.contact-email {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--c-cream-dark);
  color: var(--c-ink);
  text-decoration: none;
}
.contact-email:last-child { border-bottom: 1px solid var(--c-cream-dark); }
.contact-email__label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-ink-light);
}
.contact-email__address {
  display: block;
  overflow-wrap: anywhere;
  font-size: 20px;
  line-height: 1.35;
  color: var(--c-ink-mid);
}
.contact-email__action {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--c-burgundy);
  white-space: nowrap;
}
.contact-email .arrow { color: var(--c-gold-muted); }
.contact-email:hover .contact-email__action { color: var(--c-burgundy-dark); }

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer { flex-shrink: 0; }
.footer-body { background: var(--c-burgundy-dark); padding: 56px var(--gutter) 40px; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer .logo { font-size: 21px; margin-bottom: 20px; cursor: default; }
.footer__about { font-size: 17px; line-height: 1.7; color: var(--on-dark-muted); max-width: 340px; }
.footer__heading {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 17px;
  color: var(--on-dark-muted);
  text-decoration: none;
}
.footer__links a:hover { color: var(--c-cream); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(250, 247, 240, 0.1);
}
.footer__bottom span,
.footer__bottom a {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--on-dark-faint);
  text-decoration: none;
}
.footer__bottom a:hover { color: var(--on-dark-muted); }

/* ─── Hopdox page ─────────────────────────────────────────── */
.hx-block { background: var(--c-cream); }
.hx-block--mid { background: var(--c-cream-mid); }
.hx h2 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-ink);
  margin-bottom: 24px;
}
.hx-lede { font-size: 18px; line-height: 1.7; color: var(--c-ink-mid); max-width: 720px; }

.alpha-note { background: var(--c-ink); padding: 22px var(--gutter); }
.alpha-note__inner { display: flex; gap: 20px; align-items: flex-start; }
.alpha-note__tag {
  flex: none;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink);
  background: var(--c-gold);
  padding: 5px 12px;
  margin-top: 2px;
}
.alpha-note p { font-size: 16px; line-height: 1.65; color: var(--on-dark-muted); }

.hx-stats { display: flex; flex-wrap: wrap; gap: 56px; margin-top: 48px; }
.hx-stat { max-width: 260px; }
.hx-stat__n { font-family: var(--font-display); font-size: 44px; color: var(--c-gold-muted); line-height: 1; margin-bottom: 12px; }
.hx-stat__l { font-size: 16px; line-height: 1.6; color: var(--c-ink-light); }

.hx-grid { display: grid; gap: 24px; margin-top: 40px; }
.hx-grid--6 { grid-template-columns: repeat(3, 1fr); }
.hx-grid--4 { grid-template-columns: repeat(4, 1fr); }
.hx-grid--2 { grid-template-columns: 1fr 1fr; }
.hx-card { background: var(--c-cream); border: 1px solid var(--c-cream-dark); padding: 26px; }
.hx-block--mid .hx-card { background: var(--c-white); }
.hx-card__n { font-family: var(--font-display); font-size: 14px; letter-spacing: 0.06em; color: var(--c-gold); }
.hx-card__t { font-family: var(--font-display); font-size: 18px; color: var(--c-ink); margin: 10px 0 8px; }
.hx-card__d { font-size: 16px; line-height: 1.6; color: var(--c-ink-light); }

.hx-cta { background: var(--c-burgundy); border-top: 6px solid var(--c-gold); padding: 80px var(--gutter); }
.hx-cta h2 { font-family: var(--font-display); font-size: 38px; font-weight: 400; color: var(--c-cream); margin-bottom: 20px; }
.hx-cta p { font-size: 19px; line-height: 1.65; color: var(--on-dark); max-width: 620px; margin-bottom: 36px; }

/* ─── View switching ──────────────────────────────────────── */
.view { display: none; }
.view.active { display: block; }
[hidden] { display: none !important; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --gutter: 40px; }
  .hero h1 { font-size: 48px; }
  .banner h1 { font-size: 40px; }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hx-grid--6, .hx-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  :root { --gutter: 24px; }
  .site-header { height: auto; padding: 16px 24px; flex-direction: column; gap: 12px; }
  .logo { font-size: 22px; }
  .site-nav { gap: 24px; }
  .hero { min-height: calc(100svh - 104px); padding: 64px 24px 56px; }
  .hero::before { background: linear-gradient(90deg, rgba(74, 8, 32, 0.94), rgba(74, 8, 32, 0.58)); }
  .hero h1 { font-size: 38px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .contact-email { grid-template-columns: 1fr; gap: 12px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .hx-grid--6, .hx-grid--4, .hx-grid--2 { grid-template-columns: 1fr; }
  .alpha-note__inner { flex-direction: column; gap: 12px; }
}