/* ============================================================
   WHISF — Watchman Higher Institutions Staff Forum
   Design tokens: "The Watchtower" — ecclesial gravitas meets
   the conference's own AI / emerging-tech theme.
   ============================================================ */

:root{
  --purple-deep:   #3D1946;   /* Watchtower Purple — primary   */
  --purple-mid:    #5B2A6E;
  --gold:          #D9A536;   /* Consecrated Gold — accent     */
  --gold-soft:     #F0D48A;
  --ink:           #221A29;   /* body text on light            */
  --parchment:     #F7F2E7;   /* light background               */
  --parchment-dim: #EFE7D6;
  --slate:         #3D4B5C;   /* tech / circuit secondary       */
  --wall:          #CBB9A8;   /* brick/wall neutral             */
  --wall-line:     #A88F77;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --radius: 4px;
  --max: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--parchment); color:var(--ink);
  font-family:var(--font-body); line-height:1.55; font-size:16px;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3{ font-family:var(--font-display); margin:0 0 .4em; font-weight:600; }
.eyebrow{
  font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.14em;
  font-size:.72rem; color:var(--gold);
}
.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }
.btn{
  display:inline-block; padding:.85em 1.6em; border-radius:var(--radius);
  font-family:var(--font-body); font-weight:600; text-decoration:none;
  border:1.5px solid transparent; cursor:pointer; font-size:.95rem;
  transition:transform .15s ease, background .2s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-gold{ background:var(--gold); color:var(--purple-deep); }
.btn-gold:hover{ background:var(--gold-soft); }
.btn-ghost{ background:transparent; border-color:rgba(247,242,231,.5); color:var(--parchment); }
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold); }
.btn-outline-dark{ background:transparent; border-color:var(--purple-deep); color:var(--purple-deep); }
.btn-outline-dark:hover{ background:var(--purple-deep); color:var(--parchment); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:3px solid var(--gold); outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--purple-deep); color:var(--parchment);
  border-bottom:1px solid rgba(217,165,54,.35);
}
.site-header .wrap{ display:flex; align-items:center; gap:16px; padding:12px 24px; }
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--parchment); }
.brand img{ width:42px; height:42px; border-radius:50%; }
.brand-name{ font-family:var(--font-display); font-size:1.05rem; line-height:1.15; }
.brand-name small{ display:block; font-family:var(--font-mono); font-size:.62rem; letter-spacing:.1em; color:var(--gold-soft); text-transform:uppercase; }
nav.main-nav{ margin-left:auto; display:flex; gap:22px; }
nav.main-nav a{ text-decoration:none; color:var(--parchment); font-size:.9rem; opacity:.85; }
nav.main-nav a:hover{ opacity:1; color:var(--gold-soft); }
.nav-toggle{ display:none; background:none; border:0; color:var(--parchment); font-size:1.5rem; margin-left:auto; }

@media (max-width:820px){
  nav.main-nav{
    display:none; position:absolute; top:100%; left:0; right:0;
    background:var(--purple-deep); flex-direction:column; padding:10px 24px 18px; gap:14px;
    border-bottom:1px solid rgba(217,165,54,.35);
  }
  nav.main-nav.open{ display:flex; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden; color:var(--parchment);
  background:
    radial-gradient(1100px 480px at 85% -10%, rgba(217,165,54,.18), transparent 60%),
    linear-gradient(165deg, var(--purple-deep) 0%, var(--purple-mid) 55%, var(--slate) 130%);
  padding:76px 0 60px;
}
.hero::before{
  /* faint rampart / crenellation silhouette, nods to the logo's wall */
  content:""; position:absolute; left:0; right:0; bottom:0; height:34px;
  background:repeating-linear-gradient(90deg, rgba(247,242,231,.08) 0 26px, transparent 26px 40px);
}
.hero-grid{ display:grid; grid-template-columns:1.3fr .9fr; gap:48px; align-items:center; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }
.hero h1{ font-size:clamp(1.9rem, 3.4vw, 2.9rem); line-height:1.12; margin:.35em 0 .5em; }
.hero h1 em{ font-style:normal; color:var(--gold-soft); }
.hero-meta{ font-family:var(--font-mono); font-size:.85rem; color:var(--gold-soft); margin-bottom:1.3em; letter-spacing:.02em;}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.watch-card{
  background:rgba(23,12,28,.55); border:1px solid rgba(217,165,54,.4);
  border-radius:8px; padding:22px 22px 20px; backdrop-filter:blur(2px);
}
.watch-card .eyebrow{ color:var(--gold-soft); }
.countdown{ display:flex; gap:14px; margin:14px 0 6px; font-family:var(--font-mono); }
.countdown div{ text-align:center; }
.countdown .num{ font-size:1.7rem; color:var(--gold); font-weight:700; }
.countdown .lbl{ font-size:.62rem; letter-spacing:.08em; text-transform:uppercase; opacity:.75; }
.watch-card .sub{ font-size:.82rem; opacity:.85; margin-top:8px; }

/* ---------- Section shell ---------- */
section{ padding:64px 0; }
.section-head{ margin-bottom:34px; max-width:680px; }
.section-head h2{ font-size:clamp(1.5rem,2.4vw,2rem); }
.alt{ background:var(--parchment-dim); }

/* ---------- Schedule strip ---------- */
.schedule-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media (max-width:820px){ .schedule-strip{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .schedule-strip{ grid-template-columns:1fr; } }
.day-card{
  background:#fff; border:1px solid var(--wall-line); border-top:4px solid var(--gold);
  border-radius:var(--radius); padding:18px;
}
.day-card .day{ font-family:var(--font-mono); font-size:.72rem; color:var(--purple-mid); letter-spacing:.06em; text-transform:uppercase; }
.day-card h3{ font-size:1.05rem; margin:.3em 0 .3em; }
.day-card .venue{ font-size:.85rem; color:#5a5163; }

/* ---------- The Wall (sub-themes) ---------- */
.wall{ display:flex; flex-direction:column; gap:10px; }
.brick-row{ display:flex; gap:10px; }
.brick-row.offset{ margin-left:5%; }
.brick{
  flex:1; background:linear-gradient(180deg,#fff,#FBF7EC);
  border:1px solid var(--wall-line); border-radius:2px;
  padding:16px 18px; font-size:.92rem; position:relative;
}
.brick .num{
  font-family:var(--font-mono); color:var(--gold); font-weight:700; margin-right:8px; font-size:.85rem;
}
@media (max-width:700px){
  .brick-row{ flex-direction:column; }
  .brick-row.offset{ margin-left:0; }
}

/* ---------- Speakers ---------- */
.speaker-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:18px; }
.speaker-card{
  background:var(--purple-deep); color:var(--parchment); border-radius:8px; padding:22px 18px;
  border-top:3px solid var(--gold);
}
.speaker-card .role{ font-family:var(--font-mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.08em; color:var(--gold-soft); }
.speaker-card h3{ font-size:1.05rem; margin:.35em 0 .25em; }
.speaker-card .aff{ font-size:.82rem; opacity:.8; }

/* ---------- Fees table ---------- */
.fees-wrap{ display:grid; grid-template-columns:1.1fr .9fr; gap:34px; }
@media (max-width:860px){ .fees-wrap{ grid-template-columns:1fr; } }
table.fees{ width:100%; border-collapse:collapse; background:#fff; }
table.fees th, table.fees td{ padding:12px 14px; border-bottom:1px solid var(--wall-line); text-align:left; font-size:.92rem; }
table.fees thead th{ background:var(--purple-deep); color:var(--parchment); font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; }
table.fees td.amt{ font-family:var(--font-mono); font-weight:700; color:var(--purple-mid); }
.pay-card{ background:#fff; border:1px solid var(--wall-line); border-radius:var(--radius); padding:20px; }
.pay-card dl{ margin:10px 0 0; font-family:var(--font-mono); font-size:.92rem; }
.pay-card dt{ color:#6b6274; font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; margin-top:10px; }
.pay-card dd{ margin:2px 0 0; font-weight:700; }

/* ---------- Abstract ---------- */
.abstract-card{ background:#fff; border:1px solid var(--wall-line); border-radius:var(--radius); padding:26px; }
.abstract-card ul{ padding-left:1.1em; }
.deadline-tag{
  display:inline-block; font-family:var(--font-mono); font-size:.78rem;
  background:var(--gold-soft); color:var(--purple-deep); padding:.35em .8em; border-radius:20px; margin-bottom:10px;
}

/* ---------- Accommodation ---------- */
.hotel-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; }
.hotel-card{ background:#fff; border:1px solid var(--wall-line); border-radius:var(--radius); padding:18px; }
.hotel-card h3{ font-size:1rem; }
.hotel-card .price{ font-family:var(--font-mono); color:var(--purple-mid); font-weight:700; margin:.3em 0; }
.hotel-card .contact{ font-size:.82rem; color:#5a5163; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--purple-deep); color:var(--parchment); text-align:center; padding:60px 0;
}
.cta-band h2{ color:var(--parchment); }
.cta-band .btn{ margin-top:10px; }

/* ---------- Footer ---------- */
footer{ background:#180E1C; color:rgba(247,242,231,.75); padding:44px 0 26px; font-size:.88rem; }
footer .wrap{ display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:30px; }
@media (max-width:700px){ footer .wrap{ grid-template-columns:1fr; } }
footer h4{ color:var(--gold-soft); font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; margin:0 0 .8em; }
footer a{ text-decoration:none; color:inherit; }
footer a:hover{ color:var(--gold-soft); }
.scripture-note{ margin-top:26px; text-align:center; font-family:var(--font-display); font-style:italic; opacity:.6; font-size:.85rem; }
.fine{ text-align:center; margin-top:18px; font-size:.75rem; opacity:.5; }

.loading-note{ font-family:var(--font-mono); font-size:.8rem; color:var(--slate); padding:40px 0; text-align:center; }