*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-body);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-magenta);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  padding: 0.75rem 1rem;
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.5rem, 5.5vw, 5rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 2.6vw, 2.125rem); }
h4 { font-size: clamp(1.15rem, 1.8vw, 1.375rem); letter-spacing: -0.01em; }

p { margin: 0 0 1em; max-width: 65ch; }
p.lead { font-size: 1.25rem; line-height: 1.55; color: var(--color-body); }

.script {
  font-family: var(--font-script);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.005em;
  line-height: 1;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-body-muted);
  margin-bottom: 1rem;
}
.eyebrow--dark { color: var(--color-silver); }

.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gradient-bar {
  display: inline-block;
  width: 48px;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
.container-narrow { max-width: var(--container-narrow); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }
.container-reading { max-width: var(--container-reading); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }

section { padding-block: var(--space-2xl); }
section.tight { padding-block: var(--space-xl); }
section.deep { padding-block: var(--space-3xl); }

.section--dark {
  background: var(--color-ink);
  color: var(--color-silver);
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.section--sand { background: var(--color-sand); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.9rem 1.6rem;
  min-height: 48px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-hover) var(--ease-silk),
              background var(--dur-hover) var(--ease-silk),
              color var(--dur-hover) var(--ease-silk),
              box-shadow var(--dur-hover) var(--ease-silk);
  text-align: center;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--color-ink);
  color: #fff;
  background-image: var(--brand-gradient);
  background-size: 200% 100%;
  background-position: 0% 50%;
  box-shadow: var(--shadow-card);
}
.btn--primary:hover { background-position: 100% 50%; transform: translateY(-2px); box-shadow: var(--shadow-float); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line-strong);
}
.btn--ghost:hover { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }

.btn--on-dark {
  background: #fff;
  color: var(--color-ink);
}
.btn--on-dark:hover { background: var(--color-sand); transform: translateY(-2px); }

.btn--ghost-on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.32);
}
.btn--ghost-on-dark:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(10, 10, 10, 0.88);
  border-bottom: 1px solid var(--color-line-dark);
  color: #fff;
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink);
}
.brand-lockup__img {
  display: block;
  height: 64px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  border-radius: 6px;
}
.site-footer .brand-lockup__img {
  height: 96px;
  max-width: 180px;
}
@media (max-width: 560px) {
  .brand-lockup__img { height: 52px; max-width: 110px; }
  .site-footer .brand-lockup__img { height: 80px; max-width: 150px; }
}
.brand-lockup__script {
  font-family: var(--font-script);
  font-size: 1.75rem;
  line-height: 1;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 2px;
}
.brand-lockup__mark {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-silver-2);
  padding-bottom: 2px;
}
.site-nav__links {
  display: none;
  gap: 1.75rem;
  align-items: center;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.site-nav__links a { color: var(--color-silver); transition: color var(--dur-hover) var(--ease-silk); }
.site-nav__links a:hover { color: #fff; }
.site-nav__links a[aria-current="page"] {
  color: #fff;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-nav__cta { display: none; }
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-pill);
  cursor: pointer;
}
.nav-toggle:hover { border-color: rgba(255, 255, 255, 0.5); }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: #fff; margin-inline: auto; }

@media (min-width: 860px) {
  .site-nav__links { display: inline-flex; }
  .site-nav__cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

.nav-drawer {
  position: fixed;
  inset: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 60;
  transform: translateY(-100%);
  transition: transform var(--dur-reveal) var(--ease-drama);
}
.nav-drawer[data-open="true"] { transform: translateY(0); }
.nav-drawer a {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  color: #fff;
}
.nav-drawer__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: var(--radius-pill);
  color: #fff;
  cursor: pointer;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: var(--color-silver);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.site-footer a { color: var(--color-silver); transition: color var(--dur-hover) var(--ease-silk); }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 2.5rem;
}
.site-footer h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; font-size: 0.9375rem; }
.site-footer__legal {
  border-top: 1px solid var(--color-line-dark);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--color-silver-2);
}
.site-footer__legal a { color: var(--color-silver-2); }

@media (max-width: 760px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-reveal) var(--ease-silk), transform var(--dur-reveal) var(--ease-silk); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Utilities */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
@media (max-width: 820px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
@media (min-width: 560px) and (max-width: 820px) { .grid-4 { grid-template-columns: 1fr 1fr; } }