/* RLS Anthropic Skin — flat parchment surfaces, capsule nav
   Sticky header, dropdown menus, mobile overlay. */

.header--sticky {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(20,17,13,0.08);
  transition: border-color var(--dur-2) var(--ease-standard);
}
.is-scrolled .header--sticky {
  border-bottom-color: rgba(20,17,13,0.16);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: rgba(32,20,12,0.78);
  padding: clamp(20px, 3vw, 28px) 0;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 15px;
}
.nav__brand span:last-child { color: rgba(20,17,13,0.84); }
.nav__brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-accent);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__item {
  position: relative;
}
.nav__link,
.nav__button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  text-decoration: none;
}
.nav__link:hover,
.nav__button:hover {
  color: rgba(20,17,13,1);
  border-bottom-color: rgba(20,17,13,0.24);
}
.nav__caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: 2px;
}

.nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  transform: translateY(8px);
  opacity: 0;
  pointer-events: none;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-surface);
  box-shadow: 0 8px 24px rgba(20, 17, 13, 0.08);
  padding: 24px 28px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: opacity var(--dur-2) var(--ease-standard), transform var(--dur-2) var(--ease-standard);
}
/* Add invisible bridge between button and dropdown */
.nav__dropdown::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}
.nav__dropdown a {
  color: rgba(20,17,13,0.78);
  border-bottom: none;
}
.nav__dropdown a:hover {
  color: rgba(20,17,13,1);
}
.nav__item[data-hover="true"] > .nav__dropdown,
.nav__item[data-open="true"] > .nav__dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}
.nav__cta {
  font-size: 15px;
  padding: 14px 24px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(20,17,13,0.2);
  border-radius: var(--radius-pill);
  background: transparent;
  font: inherit;
  padding: 10px 16px;
  cursor: pointer;
}
.nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.nav-toggle__icon {
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__icon::before { top: -6px; }
.nav-toggle__icon::after { top: 6px; }

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(20,17,13,0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease-standard);
  z-index: 80;
}
.mobile-menu__panel {
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  width: min(380px, 85vw);
  margin-left: auto;
  height: 100%;
  padding: clamp(28px, 5vw, 40px) clamp(24px, 4vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateX(100%);
  transition: transform var(--dur-3) var(--ease-standard);
}
.mobile-menu__group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-menu__label {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(90,70,50,0.8);
}
.mobile-menu a,
.mobile-menu button {
  border: none;
  background: none;
  text-align: left;
  padding: 12px 0;
  font-size: 18px;
  color: rgba(32,20,12,0.84);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu a:hover { color: rgba(20,17,13,1); }
body.menu-open .mobile-menu {
  opacity: 1;
  pointer-events: auto;
}
body.menu-open .mobile-menu__panel {
  transform: translateX(0);
}

.btn,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(20,17,13,0.18);
  background: transparent;
  color: var(--color-fg);
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: background-color var(--dur-2) var(--ease-standard), color var(--dur-2) var(--ease-standard), border-color var(--dur-2) var(--ease-standard);
}
.btn:hover,
.button:hover { border-color: rgba(20,17,13,0.28); }
.btn:focus-visible,
.button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.button--primary,
.btn--primary,
.btn--ink {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-ink-fg);
}
.button--primary:hover,
.btn--primary:hover,
.btn--ink:hover {
  background: #0B0907;
  border-color: #0B0907;
  color: var(--color-ink-fg);
}
.button--ghost,
.btn--ghost { border-color: rgba(20,17,13,0.2); color: rgba(20,17,13,0.78); }
.button--ghost:hover,
.btn--ghost:hover { border-color: rgba(20,17,13,0.32); }
.btn--accent,
.button--accent { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-fg); }

.hero--feature {
  background: var(--color-bg);
  padding: clamp(96px, 18vw, 160px) 0;
}
.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
  gap: clamp(48px, 7vw, 96px);
  align-items: start;
}
@media (min-width: 897px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}
.hero__content {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 3vw, 28px);
}
.hero__content h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.016em;
  margin-bottom: clamp(16px, 3vw, 24px);
}
.hero__lead {
  font-size: clamp(18px, 2.3vw, 24px);
  color: rgba(32,20,12,0.78);
  max-width: 64ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero__card,
.card {
  border-radius: 28px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: clamp(32px, 4vw, 48px);
  display: flex;
  flex-direction: column;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.9);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(90,70,50,0.8);
  margin-bottom: 18px;
}
.hero__metric {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgba(26,17,11,1);
}
.hero__metric small {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(144,119,93,0.9);
}

.section--muted {
  /* Background removed for uniform page appearance */
}

.footer,
.footer--light {
  background: #14110D;
  color: rgba(255,255,255,0.8);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: clamp(56px, 8vw, 88px) 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: clamp(48px, 8vw, 96px);
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 15px;
  color: rgba(255,255,255,0.9);
}

.footer__columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(32px, 5vw, 48px);
}

.footer__column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__column-title {
  font-size: calc(var(--text-sm)*1px);
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.footer__column a {
  font-size: calc(var(--text-sm)*1px);
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  display: inline-block;
}

.footer__column a:hover {
  border-bottom-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,1);
}

.footer__bottom {
  margin-top: clamp(48px, 6vw, 64px);
  padding-top: clamp(32px, 4vw, 40px);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: calc(var(--text-xs)*1px);
  color: rgba(255,255,255,0.5);
}

.footer__bottom nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__bottom nav a {
  color: rgba(255,255,255,0.6);
  border-bottom: 1px solid transparent;
}

.footer__bottom nav a:hover {
  color: rgba(255,255,255,0.9);
  border-bottom-color: rgba(255,255,255,0.4);
}

@media (max-width: 896px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer__columns {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .footer__columns {
    grid-template-columns: 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 1200px) {
  .hero__grid { grid-template-columns: 1fr; }
}

@media (max-width: 896px) {
  .nav { gap: 10px; padding: 16px 0; flex-wrap: nowrap; }
  .nav__links { display: none; }
  .nav__actions { gap: 6px; margin-left: auto; flex-shrink: 0; }
  .nav__actions .button { font-size: 13px; padding: 8px 14px; }
  .nav-toggle { display: inline-flex; margin-left: 0; flex-shrink: 0; }
  .nav-toggle span:not(.nav-toggle__icon) { display: none; }
  .hero__grid { gap: 48px; }
}

@media (max-width: 640px) {
  .hero__actions { width: 100%; flex-direction: column; align-items: flex-start; }
  .hero__card { margin-top: 32px; }
  .nav__actions .button--ghost { display: none; }
}

@media (max-width: 480px) {
  .nav { gap: 8px; }
  .nav__actions .button { padding: 6px 12px; font-size: 12px; }
  .nav-toggle { padding: 8px 12px; }
}