:root {
  --oxblood: #722F37;
  --oxblood-deep: #5a242b;
  --cream: #F5EDE0;
  --cream-soft: #FAF5EC;
  --brussels: #003399;
  --us-red: #D7263D;
  --ink: #1A1A1A;
  --ink-soft: #4a4a4a;
  --light: #F5EDE0;
  --rule: rgba(26, 26, 26, 0.12);

  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --max: 1080px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--oxblood); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Header / Nav */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem var(--pad) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--oxblood);
}

.brand:hover { text-decoration: none; }

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  background: var(--oxblood);
  color: var(--cream);
  font-family: var(--font-serif);
  font-weight: 700;
  border-radius: 4px;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.brand__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.2px;
}

.site-nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--ink);
  font-weight: 500;
}

/* Sections */
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section__title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--oxblood);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 1.5rem;
  line-height: 1.15;
}

.section__title--light { color: var(--cream); }

/* Hero — dark oxblood, matching host section visual continuity */
.hero {
  padding: clamp(3rem, 9vw, 6rem) 0 clamp(3.5rem, 10vw, 7rem);
  background:
    radial-gradient(ellipse at top right, rgba(0, 51, 153, 0.32), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(215, 38, 61, 0.28), transparent 55%),
    var(--oxblood);
  color: var(--cream);
  border-bottom: 1px solid rgba(245, 237, 224, 0.12);
}

.hero__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--pad);
  text-align: left;
}

/* Hero title: split-screen brand demonstration (US ↔ EU columns + bridge) */
.hero__title {
  margin: 0 0 1.75rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  grid-template-areas:
    "us"
    "eu"
    "bridge";
  font-weight: 400; /* per-element weights set below */
}

@media (min-width: 720px) {
  .hero__title {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "us eu"
      "bridge bridge";
    gap: 1.25rem 1.5rem;
  }
}

.hero__half {
  display: block;
  padding: 1.5rem 1.4rem 1.4rem;
  background: rgba(245, 237, 224, 0.05);
  border: 1px solid rgba(245, 237, 224, 0.12);
  border-bottom-width: 4px;
  border-bottom-style: solid;
  border-bottom-color: transparent;
  border-radius: 6px;
  position: relative;
}

.hero__half--us {
  grid-area: us;
  border-bottom-color: var(--us-red);
}

.hero__half--eu {
  grid-area: eu;
  border-bottom-color: var(--brussels);
}

.hero__half-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cream);
  padding: 0.32rem 0.65rem;
  border-radius: 3px;
  margin-bottom: 0.9rem;
  line-height: 1;
}

.hero__half--us .hero__half-tag { background: var(--us-red); }
.hero__half--eu .hero__half-tag { background: var(--brussels); }

.hero__half-text {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--cream);
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.3px;
  text-wrap: balance;
}

.hero__bridge {
  grid-area: bridge;
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  color: var(--cream);
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-align: center;
  margin-top: 0.85rem;
  margin-bottom: 0.25rem;
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.hero__sub {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: rgba(245, 237, 224, 0.85);
  max-width: 60ch;
  margin: 0 0 2rem;
}

.hero__cta-row { margin: 0; }

/* AI disclosure ribbon (hero) — visible transparency badge per YT 2026 enforcement era */
.hero__disclosure {
  margin: 1.25rem 0 0;
  font-size: 0.88rem;
  font-style: italic;
  color: rgba(245, 237, 224, 0.75);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__disclosure-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(245, 237, 224, 0.75);
  flex-shrink: 0;
}

.hero__disclosure a {
  color: var(--cream);
  font-weight: 600;
  font-style: normal;
  text-decoration: underline;
  margin-left: 0.25rem;
}

/* Hero CTA: invert button to pop on dark oxblood bg */
.hero .btn--primary {
  background: var(--cream);
  color: var(--oxblood);
}
.hero .btn--primary:hover {
  background: #fff;
  color: var(--oxblood-deep);
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 4px;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn--primary {
  background: var(--oxblood);
  color: var(--cream);
}
.btn--primary:hover { background: var(--oxblood-deep); }

/* About */
.section--about { background: var(--cream-soft); }
.section--about .section__inner { max-width: 760px; }
.prose p {
  font-size: 1.08rem;
  margin: 0 0 1.1rem;
  color: var(--ink);
  max-width: 64ch;
}

/* Pillars */
.section--pillars { background: var(--cream); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .pillars { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

.pillar {
  background: var(--cream-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.5rem 1.5rem 1.6rem;
}

.pillar__icon {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  color: var(--oxblood);
  margin-bottom: 0.75rem;
}
.pillar:nth-child(2) .pillar__icon { color: var(--brussels); }
.pillar:nth-child(3) .pillar__icon { color: var(--us-red); }
.pillar:nth-child(4) .pillar__icon { color: var(--brussels); }

.pillar__icon svg { width: 28px; height: 28px; }

.pillar__name {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.pillar__desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
}

/* Host */
.section--host {
  background: var(--oxblood);
  color: var(--cream);
}

.section--host a { color: var(--cream); text-decoration: underline; }

/* Host section — voice-only MVP (v1.5): single-column text, no portrait until M3+ */
.host {
  max-width: 760px;
  margin: 0 auto;
}

.host__text p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--cream);
  margin: 0 0 1.1rem;
  max-width: 60ch;
}

.host__disclosure {
  font-size: 0.92rem !important;
  color: rgba(245, 237, 224, 0.75) !important;
  border-left: 2px solid rgba(245, 237, 224, 0.3);
  padding-left: 1rem;
  margin-top: 1.5rem !important;
}

/* Footer */
.site-footer {
  background: var(--cream-soft);
  border-top: 1px solid var(--rule);
  color: var(--ink);
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--pad) 2rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: repeat(3, 1fr); gap: 3rem; }
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
  color: var(--oxblood);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.footer-col p { margin: 0 0 0.5rem; font-size: 0.95rem; }
.footer-col__small { font-size: 0.88rem; color: var(--ink-soft); }

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 0.4rem; font-size: 0.95rem; }

.site-footer__strip {
  border-top: 1px solid var(--rule);
  padding: 1rem var(--pad);
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.site-footer__strip p { margin: 0; }

/* Focus */
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--brussels);
  outline-offset: 3px;
  border-radius: 3px;
}