/* ==========================================================================
   Stephanie Cacheo — Portfolio shared stylesheet
   Site-wide chrome: variables, reset, nav, footer, buttons, case-study nav.
   Page-specific layout (hero, cards, process grids, etc.) stays inline
   per page — this file only holds what repeats across pages.
   ========================================================================== */

:root{
  color-scheme: light only;
  --carbon:#232220;
  --bone:#faf8f5;
  --card:#ffffff;
  --clay:#c2704a;
  --clay-dark:#96502f;
  --sage:#7a8b66;
  --sage-bg:#eef0e8;
  --sage-text:#4a5540;
  --muted:#8a8474;
  --border:#e4ddd0;
  --wide-max:1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bone);
  color:var(--carbon);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight:400;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }
img, svg{ display:block; max-width:100%; }

:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{ max-width:800px; margin:0 auto; padding:0 24px; }
.wrap-wide{ max-width:1080px; margin:0 auto; padding:0 24px; }

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--carbon);
  color:var(--bone);
  padding:12px 20px;
  z-index:200;
  border-radius:4px;
}
.skip-link:focus{ left:16px; top:16px; }

/* ---------- Global nav ---------- */
header.site-nav{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,248,245,0.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--border);
}

.nav-inner{
  max-width:var(--wide-max);
  margin:0 auto;
  padding:18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.nav-logo{
  font-family:'Oswald', sans-serif;
  font-weight:600;
  font-size:16px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  white-space:nowrap;
}

nav.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  list-style:none;
  margin:0;
  padding:0;
  flex-wrap:wrap;
}

.nav-links a{
  font-size:14px;
  font-weight:500;
  color:var(--carbon);
  opacity:0.8;
  padding:4px 2px;
  border-bottom:2px solid transparent;
  transition:border-color 0.15s ease, opacity 0.15s ease;
}
.nav-links a:hover{ opacity:1; border-color:var(--clay); }
.nav-links a[aria-current="page"]{
  opacity:1;
  color:var(--clay-dark);
  border-color:var(--clay);
  font-weight:600;
}

.nav-right{ display:flex; align-items:center; gap:18px; }

.nav-lang{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.03em;
}
.nav-lang span{ padding:3px 7px; border-radius:4px; }
.nav-lang .active-lang{ color:var(--carbon); background:var(--border); }
.nav-lang .muted-lang{ color:var(--muted); opacity:0.65; cursor:not-allowed; }

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--border);
  border-radius:8px;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{ width:18px; height:18px; }

.mobile-menu{
  display:none;
  flex-direction:column;
  gap:4px;
  padding:8px 24px 20px;
  border-top:1px solid var(--border);
  list-style:none;
  margin:0;
}
.mobile-menu a{
  padding:12px 0;
  font-size:15px;
  font-weight:500;
  border-bottom:1px solid var(--border);
  display:block;
}
.mobile-menu a[aria-current="page"]{ color:var(--clay-dark); font-weight:600; }
.mobile-menu.open{ display:flex; }

@media (max-width:860px){
  nav.nav-links{ display:none; }
  .nav-right .lang-desktop{ display:none; }
  .nav-toggle{ display:inline-flex; }
}

/* ---------- Buttons ---------- */
.btn-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{ background:var(--clay); color:var(--bone); border-color:var(--clay); }
.btn-primary:hover{ background:var(--clay-dark); border-color:var(--clay-dark); }
.btn-secondary{ background:transparent; color:var(--carbon); border-color:var(--border); }
.btn-secondary:hover{ border-color:var(--carbon); }
.btn-sage{ background:transparent; color:var(--sage-text); border-color:var(--sage); }
.btn-sage:hover{ background:var(--sage); color:var(--bone); }

/* ---------- Footer ---------- */
footer.site-footer{ padding:48px 0 56px; border-top:1px solid var(--border); margin-top:32px; }
.footer-inner{
  max-width:var(--wide-max);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
}
.footer-brand{ font-size:14px; color:var(--muted); line-height:1.6; max-width:340px; }
.footer-brand strong{
  display:block;
  font-family:'Oswald', sans-serif;
  font-size:15px;
  color:var(--carbon);
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin-bottom:4px;
  font-weight:600;
}
.footer-links{ display:flex; gap:32px; flex-wrap:wrap; list-style:none; padding:0; margin:0; }
.footer-col{ display:flex; flex-direction:column; gap:8px; font-size:14px; }
.footer-col a{ color:var(--muted); }
.footer-col a:hover{ color:var(--clay-dark); }
.footer-col .col-title{
  font-size:12px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--carbon);
  margin-bottom:4px;
}

@media (max-width:700px){
  .footer-inner{ flex-direction:column; }
}

/* ---------- Case-study prev/next navigation ---------- */
.case-nav{
  border-top:1px solid var(--border);
  padding:40px 0;
}
.case-nav-inner{
  max-width:var(--wide-max);
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:start;
  gap:24px;
}
.case-nav-link{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:14px;
  max-width:280px;
}
.case-nav-link.next{ text-align:right; margin-left:auto; align-items:flex-end; }
.case-nav-eyebrow{
  font-size:11px;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--muted);
}
.case-nav-title{
  font-family:'Oswald', sans-serif;
  font-size:15px;
  font-weight:600;
  color:var(--carbon);
  letter-spacing:0.01em;
}
.case-nav-link:hover .case-nav-title{ color:var(--clay-dark); }
.case-nav-all{
  align-self:center;
  font-size:13px;
  font-weight:600;
  color:var(--clay-dark);
  border-bottom:1px solid var(--clay);
  padding-bottom:2px;
  white-space:nowrap;
}
.case-nav-all:hover{ color:var(--carbon); border-color:var(--carbon); }

@media (max-width:700px){
  .case-nav-inner{
    grid-template-columns:1fr;
    gap:20px;
  }
  .case-nav-link.next{ text-align:left; margin-left:0; align-items:flex-start; }
}