/* ==========================================================================
   Baxus — layout.css
   Header, navigation, hero, page shells, footer
   ========================================================================== */

/* --------------------------------------------------------- header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .35s var(--ease), box-shadow .35s var(--ease),
              height .35s var(--ease), transform .4s var(--ease);
}

.site-header__inner {
  width: 100%;
  max-width: var(--wrap-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

/* Solid state — always on inner pages, on scroll for hero pages */
.site-header--solid,
.site-header.is-scrolled {
  background: rgba(250, 247, 241, .92);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 30px rgba(34,30,26,.06);
}

/* Hide on scroll-down, reveal on scroll-up */
.site-header.is-hidden { transform: translateY(-104%); }

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  text-decoration: none;
  color: var(--ink);
  z-index: 2;
}
.brand__mark {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1;
  font-variation-settings: "SOFT" 40, "WONK" 1;
}
.brand__tag {
  font-size: .625rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}

/* Over a dark hero, before scroll */
.site-header--overlay:not(.is-scrolled) .brand,
.site-header--overlay:not(.is-scrolled) .nav__link,
.site-header--overlay:not(.is-scrolled) .nav-toggle { color: var(--cream); }
.site-header--overlay:not(.is-scrolled) .brand__tag { color: rgba(250,247,241,.7); }
.site-header--overlay:not(.is-scrolled) .nav__link::after { background: var(--cream); }
.site-header--overlay:not(.is-scrolled) .nav-toggle__bar { background: var(--cream); }
.site-header--overlay:not(.is-scrolled) .btn--outline {
  border-color: rgba(250,247,241,.55);
  color: var(--cream);
}
.site-header--overlay:not(.is-scrolled) .btn--outline:hover {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}

/* --------------------------------------------------------- nav */
.nav { display: flex; align-items: center; gap: clamp(1rem, .4rem + 1.4vw, 2.1rem); }

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, .4rem + 1.4vw, 2.1rem);
  margin: 0; padding: 0;
  list-style: none;
}
.nav__list li { margin: 0; }

.nav__link {
  position: relative;
  display: inline-block;
  padding: .35rem 0;
  font-size: var(--fs-sm);
  font-weight: 450;
  text-decoration: none;
  color: var(--ink);
  transition: color .2s var(--ease), opacity .2s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav__link[aria-current="page"] { color: var(--clay); }
.site-header--overlay:not(.is-scrolled) .nav__link[aria-current="page"] { color: var(--cream); }

/* --------------------------------------------------------- mobile nav */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 2;
  width: 44px; height: 44px;
  margin-right: -10px;
  padding: 0;
  background: none;
  border: 0;
  color: var(--ink);
}
.nav-toggle__bars {
  display: block;
  position: relative;
  width: 24px; height: 12px;
  margin-inline: auto;
}
.nav-toggle__bar {
  position: absolute;
  left: 0;
  width: 100%; height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .35s var(--ease), opacity .2s var(--ease), width .35s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 0; }
.nav-toggle__bar:nth-child(2) { top: 11px; width: 70%; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: var(--ink); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(-5.5px) rotate(-45deg); width: 100%; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(34,30,26,.45);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s;
}
.nav-backdrop.is-open { opacity: 1; visibility: visible; }

@media (max-width: 940px) {
  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    top: 0; right: 0;
    z-index: 99;
    width: min(400px, 86vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + 2rem) clamp(1.5rem, 5vw, 2.5rem) 2.5rem;
    background: var(--cream);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .48s var(--ease-out), visibility .48s;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .nav.is-open { transform: translateX(0); visibility: visible; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: 2rem;
  }
  .nav__list li { border-bottom: 1px solid var(--line); }

  .nav__link {
    display: block;
    padding: 1rem 0;
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--ink) !important;
    opacity: 0;
    transform: translateX(14px);
  }
  .nav.is-open .nav__link {
    opacity: 1;
    transform: none;
    transition: opacity .4s var(--ease) calc(var(--i, 0) * 45ms + 120ms),
                transform .5s var(--ease-out) calc(var(--i, 0) * 45ms + 120ms);
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--clay) !important; }

  .nav .btn { width: 100%; justify-content: center; }
  .nav__meta { display: block !important; }
}

.nav__meta {
  display: none;
  margin-top: auto;
  padding-top: 2rem;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  line-height: 1.9;
}
.nav__meta a { text-decoration: none; }
.nav__meta a:hover { color: var(--clay); }

/* --------------------------------------------------------- hero */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(100svh, 900px);
  padding-block: calc(var(--header-h) + 3rem) clamp(3rem, 1rem + 7vw, 6rem);
  overflow: hidden;
  color: var(--cream);
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 58%;
  animation: heroDrift 26s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.04); }
  to   { transform: scale(1.13); }
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20,17,14,.55) 0%, rgba(20,17,14,.16) 26%, rgba(20,17,14,.42) 58%, rgba(20,17,14,.88) 100%),
    linear-gradient(95deg, rgba(20,17,14,.62) 0%, rgba(20,17,14,.34) 42%, rgba(20,17,14,0) 72%);
}

.hero__inner { position: relative; z-index: 1; width: 100%; }

.hero .eyebrow {
  color: var(--cream);
  text-shadow: 0 1px 14px rgba(0,0,0,.5);
}
.hero .eyebrow::before { opacity: .75; }

/* Ghost button sits on photography, so it carries its own light border */
.hero .btn--outline,
.page-hero .btn--outline {
  border-color: rgba(250, 247, 241, .6);
  color: var(--cream);
  backdrop-filter: blur(4px);
  background: rgba(250, 247, 241, .08);
}
.hero .btn--outline:hover,
.page-hero .btn--outline:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
}

.hero__title {
  max-width: 16ch;
  margin-bottom: .35em;
  font-size: var(--fs-hero);
  line-height: .98;
  letter-spacing: -.025em;
  color: var(--cream);
  text-shadow: 0 2px 40px rgba(0,0,0,.35);
}
.hero__title em {
  font-style: italic;
  font-variation-settings: "SOFT" 60, "WONK" 1;
}

.hero__text {
  max-width: 46ch;
  margin-bottom: 2rem;
  font-size: var(--fs-lead);
  color: rgba(250,247,241,.9);
  text-shadow: 0 1px 20px rgba(0,0,0,.35);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.2rem, .5rem + 2vw, 3rem);
  margin-top: clamp(2.5rem, 1rem + 5vw, 4.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid rgba(250,247,241,.24);
}
.hero__meta-item { min-width: 0; }
.hero__meta-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  line-height: 1.1;
  color: var(--cream);
}
.hero__meta-label {
  display: block;
  margin-top: .2rem;
  font-size: var(--fs-xs);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(250,247,241,.66);
}

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(3rem, 1rem + 7vw, 6rem);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(250,247,241,.75);
  text-decoration: none;
}
.hero__scroll span {
  display: block;
  width: 1px; height: 42px;
  background: linear-gradient(180deg, rgba(250,247,241,.7), transparent);
  animation: scrollPulse 2.4s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(.35); opacity: .4; }
  50%      { transform: scaleY(1);   opacity: 1; }
}
@media (max-width: 780px) { .hero__scroll { display: none; } }

/* --------------------------------------------------------- page hero (inner pages) */
.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(340px, 26rem + 12vw, 560px);
  padding-block: calc(var(--header-h) + 3rem) clamp(2.5rem, 1rem + 5vw, 4.5rem);
  overflow: hidden;
  color: var(--cream);
  background: var(--ink);
  isolation: isolate;
}
.page-hero__media { position: absolute; inset: 0; z-index: -2; }
.page-hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.03);
}
.page-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,17,14,.55) 0%, rgba(20,17,14,.22) 45%, rgba(20,17,14,.72) 100%);
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero h1 { max-width: 20ch; margin-bottom: .3em; color: var(--cream); }
.page-hero p {
  max-width: 52ch;
  font-size: var(--fs-lead);
  color: rgba(250,247,241,.86);
}

/* Breadcrumb */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.1rem;
  padding: 0;
  list-style: none;
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(250,247,241,.7);
}
.crumbs li { margin: 0; display: flex; align-items: center; gap: .5rem; }
.crumbs li + li::before { content: "/"; opacity: .5; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--cream); text-decoration: underline; }

/* --------------------------------------------------------- generic grids */
.grid { display: grid; gap: var(--sp-4); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(290px, 100%), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); }

/* Section header */
.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 1rem + 4vw, 4rem);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-3);
  max-width: none;
}
.section-head--split > div { max-width: 58ch; }
.section-head p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------- footer */
.site-footer {
  padding-block: clamp(3.5rem, 2rem + 6vw, 6rem) 2rem;
  background: var(--ink);
  color: rgba(250,247,241,.72);
  font-size: var(--fs-sm);
}
.site-footer a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
.site-footer a:hover { color: var(--cream); }

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  padding-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  border-bottom: 1px solid rgba(250,247,241,.14);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__brand .brand { color: var(--cream); margin-bottom: 1.1rem; }
.footer__brand .brand__tag { color: rgba(250,247,241,.6); }
.footer__blurb { max-width: 34ch; margin-bottom: 1.5rem; }

.footer__title {
  margin-bottom: 1.1rem;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cream);
}

.footer__list { margin: 0; padding: 0; list-style: none; line-height: 2.1; }
.footer__list li { margin: 0; }

.footer__contact { font-style: normal; line-height: 2.1; }
.footer__contact strong { display: block; color: var(--cream); font-weight: 500; }

.socials { display: flex; gap: .6rem; margin-top: 1.2rem; }
.socials a {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 1px solid rgba(250,247,241,.22);
  border-radius: 50%;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.socials a:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--white);
  transform: translateY(-2px);
}
.socials svg { width: 17px; height: 17px; fill: currentColor; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding-top: 1.75rem;
  font-size: var(--fs-xs);
  color: rgba(250,247,241,.5);
}
.footer__bottom ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0; padding: 0;
  list-style: none;
}
.footer__bottom li { margin: 0; }

/* --------------------------------------------------------- back to top */
.to-top {
  position: fixed;
  right: clamp(1rem, .4rem + 1.4vw, 2rem);
  bottom: clamp(1rem, .4rem + 1.4vw, 2rem);
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  background: var(--ink);
  color: var(--cream);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s, background .25s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--clay); }
.to-top svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }