/* Derela — editorial advisory redesign
   Aesthetic: warm paper, deep ink, single ochre accent, dossier/index-card grid */

:root{
  --paper: #f1ede4;
  --paper-2:#e8e3d6;
  --ink: #141413;
  --ink-2:#3a3833;
  --ink-3:#7a7670;
  --rule: #1414131a;
  --rule-strong:#14141333;
  --ochre: oklch(0.62 0.13 65);
  --ochre-ink: oklch(0.42 0.10 60);
  --ochre-stroke: rgba(180,120,60,.6);
  --ochre-fill-light: rgba(180,120,60,.18);
  --ochre-fill-faint: rgba(180,120,60,.05);
  --ochre-grat: rgba(180,120,60,.18);
  --ink-country: rgba(41,38,27,.55);
  --paper-on-dark: #f1ede4;
  --paper-on-dark-78: rgba(241,237,228,.78);
  --paper-on-dark-60: rgba(241,237,228,.6);
  --paper-on-dark-55: rgba(241,237,228,.55);
  --paper-on-dark-18: rgba(241,237,228,.18);
  --paper-on-dark-12: rgba(241,237,228,.12);
  --paper-on-dark-85: rgba(241,237,228,.85);
  --paper-on-dark-40: rgba(241,237,228,.4);
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --sans-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

/* skip nav */
.skip-link{
  position: absolute; top: -100%; left: 16px;
  background: var(--ink); color: var(--paper);
  padding: 12px 20px; z-index: 100;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase;
}
.skip-link:focus{ top: 12px; }

*{ box-sizing:border-box; margin:0; padding:0; }
html,body{ background:var(--paper); color:var(--ink); overflow-x: hidden; }
html,body{ max-width: 100%; }
body{
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font: inherit; color:inherit; background:none; border:0; cursor:pointer; }

/* ---------- layout ---------- */
.page{
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 900px){ .page{ padding: 0 24px; } }
@media (max-width: 480px){ .page{ padding: 0 20px; } }

/* ---------- top bar ---------- */
.topbar{
  position: sticky; top:0; z-index:50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule-strong);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
  gap: 16px;
}
.brand{
  display:flex; align-items:baseline; gap:14px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  min-width: 0;
}
.brand-mark{
  display:inline-grid; place-items:center;
  width:28px; height:28px; flex: 0 0 28px;
  background: var(--ink); color: var(--paper);
  font-family: var(--sans); font-size:15px; font-weight: 500;
  position: relative; top:3px;
  border-radius: 1px;
}
.brand-meta{
  font-family: var(--mono); font-size:10px; letter-spacing:0.16em;
  text-transform: uppercase; color: var(--ink-3);
  border-left: 1px solid var(--rule-strong);
  padding-left: 14px;
  align-self: center;
  white-space: nowrap;
}
.nav{
  display:flex; gap:6px; align-items:center;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em;
}
.nav a{
  padding: 8px 14px;
  border: 1px solid transparent;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: all .15s;
}
.nav a:hover{ color: var(--ink); border-color: var(--rule-strong); }
.nav a.active{
  color: var(--ink);
  border-color: var(--ink);
}
.nav-cta{
  margin-left: 10px;
  background: var(--ink); color: var(--paper) !important;
  border-color: var(--ink) !important;
  padding: 10px 16px !important;
}
.nav-cta:hover{ background: var(--ochre-ink); border-color: var(--ochre-ink) !important; }

/* ---- mobile nav ---- */
.nav-toggle{
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--rule-strong);
  background: transparent;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  flex: 0 0 44px;
}
.nav-toggle span{
  display:block; width: 18px; height: 1.5px; background: var(--ink);
  transition: transform .2s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px){
  .topbar-inner{ height: 64px; }
  .brand{ font-size: 19px; gap: 10px; }
  .brand-meta{ display: none; }
  .nav-toggle{ display: flex; }
  .nav{
    position: absolute; left: 0; right: 0; top: 64px;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 18px 18px;
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: transform .22s ease, opacity .22s ease;
    font-size: 14px;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav a{
    padding: 16px 8px;
    border: 0;
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
  }
  .nav a:hover{ border: 0; border-bottom: 1px solid var(--rule); color: var(--ochre-ink); }
  .nav a.active{ border: 0; border-bottom: 1px solid var(--ink); color: var(--ochre-ink); }
  .nav-cta{
    margin: 12px 0 0 !important;
    background: var(--ink);
    border: 1px solid var(--ink) !important;
    text-align: center;
    padding: 14px 16px !important;
  }
}

/* ---------- micro-label ---------- */
.eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow .dot{
  display:inline-block; width:6px; height:6px;
  background: var(--ochre); border-radius:50%;
  margin-right: 8px; transform: translateY(-2px);
}

/* ---------- typography ---------- */
.display{
  font-family: var(--sans);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.95;
}
.display .it{ font-family: var(--serif); font-style: italic; font-weight: 300; letter-spacing: -0.02em; }
.display .ochre{ font-family: var(--serif); color: var(--ochre-ink); font-style: italic; font-weight: 300; letter-spacing: -0.02em; }

.lede{
  font-family: var(--sans);
  font-size: 20px;
  line-height: 1.45;
  font-weight: 300;
  color: var(--ink-2);
  max-width: 60ch;
  letter-spacing: -0.005em;
}

h2.section{
  font-family: var(--sans);
  font-weight: 400;
  font-size: 56px;
  line-height: 1.0;
  letter-spacing: -0.03em;
}

/* ---------- ruled rows ---------- */
.rule{ border-top: 1px solid var(--rule-strong); }
.rule-soft{ border-top: 1px solid var(--rule); }

.row-grid{
  display:grid; grid-template-columns: 1fr 3fr;
  gap: 48px;
  padding: 36px 0;
  border-top: 1px solid var(--rule-strong);
}
.row-grid .label{
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3);
  padding-top: 8px;
}
@media (max-width: 900px){
  .row-grid{ grid-template-columns: 1fr; gap: 14px; padding: 28px 0; }
}

/* ---------- global mobile resets ---------- */
@media (max-width: 900px){
  .spacer-xl{ height: 64px; }
  .spacer-l{ height: 40px; }
  .spacer-m{ height: 24px; }
}

/* ---------- footer ---------- */
.foot{
  margin-top: 96px;
  border-top: 1px solid var(--ink);
  background: var(--paper);
  padding: 56px 0 32px;
}
.foot-grid{
  display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
@media (max-width: 900px){ .foot-grid{ grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px){ .foot-grid{ grid-template-columns: 1fr; gap: 28px; } }
.foot h4{
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 500;
  margin-bottom: 14px;
}
.foot p, .foot a{ font-size: 14px; color: var(--ink-2); line-height: 1.65; }
.foot a:hover{ color: var(--ochre-ink); }
.foot-mark{
  font-family: var(--sans); font-size: 40px; line-height: 1; letter-spacing: -0.035em; font-weight: 500;
}
.foot-mark .it{ font-family: var(--serif); font-style: italic; font-weight: 300; letter-spacing: -0.02em; }
.foot-bottom{
  margin-top: 48px; padding-top: 18px;
  border-top: 1px solid var(--rule);
  display:flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 14px 22px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper);
  transition: all .2s;
}
.btn:hover{ background: var(--ochre-ink); border-color: var(--ochre-ink); }
.btn-ghost{
  background: transparent; color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn .arrow{
  display:inline-block; width:22px; height:1px; background: currentColor; position:relative;
}
.btn .arrow::after{
  content:""; position:absolute; right:0; top:-3px;
  width:7px; height:7px; border-top:1px solid currentColor; border-right:1px solid currentColor;
  transform: rotate(45deg);
}

/* ---------- placeholder image ---------- */
.placeholder{
  background:
    repeating-linear-gradient(135deg,
      #d8d2c2 0 1px, transparent 1px 9px),
    var(--paper-2);
  border: 1px solid var(--rule-strong);
  position: relative;
  display:grid; place-items:center;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.placeholder::before, .placeholder::after{
  content:""; position:absolute; inset: 8px;
  border: 1px solid transparent;
}
.placeholder .tag{
  background: var(--paper); padding: 4px 8px;
  border: 1px solid var(--rule-strong);
}

/* ---------- index ---------- */
.idx{
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ochre-ink);
}

/* utility */
.spacer-xl{ height: 120px; }
.spacer-l{ height: 72px; }
.spacer-m{ height: 40px; }

/* horizontal scroll suppression */
html, body { overflow-x: hidden; }

/* select styling */
select{
  appearance: none;
  -webkit-appearance: none;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237a7670' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 4px center;
  padding-right: 24px;
  cursor: pointer;
}

/* selection */
::selection{ background: var(--ochre); color: var(--paper); }