/* =========================================================
   OFFICE TOWER DEFENCE — game site
   Design language: the corkboard above a haunted desk.
   Manila folders, pinned index cards, rubber stamps, and
   the same in-game comic/horror-office humor throughout.
   ========================================================= */

:root{
  --cork:      #6b4423;
  --cork-dark: #4a2f18;
  --manila:    #ecdcb2;
  --manila-2:  #f4e9cc;
  --ink:       #241a10;
  --stamp:     #b23a2e;
  --sticky:    #f2c94c;
  --teal:      #2c8c88;
  --paper-line:#d8c79a;

  --display: "Oswald", "Archivo Narrow", sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --type: "Courier Prime", "Courier New", monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html, body{ max-width:100%; overflow-x:hidden; }
body{
  margin:0;
  background:
    radial-gradient(ellipse at top, rgba(0,0,0,.12), transparent 60%),
    var(--cork);
  background-image:
    radial-gradient(circle at 8% 20%, rgba(255,255,255,.05) 0 2px, transparent 3px),
    radial-gradient(circle at 60% 70%, rgba(255,255,255,.04) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 30%, rgba(0,0,0,.15) 0 2px, transparent 3px),
    linear-gradient(var(--cork), var(--cork-dark));
  color: var(--ink);
  font-family: var(--body);
  line-height:1.55;
}
a{ color:inherit; }
img{ max-width:100%; display:block; }
h1,h2,h3{ font-family: var(--display); text-transform:uppercase; letter-spacing:.01em; margin:0 0 .4em; }
.typewriter{ font-family: var(--type); }

.wrap{ max-width:1180px; margin:0 auto; padding:0 24px; }

/* -------- pinned paper card, the core visual unit -------- */
.pin-card{
  background: var(--manila);
  background-image: repeating-linear-gradient(rgba(0,0,0,.035) 0 1px, transparent 1px 26px);
  border:1px solid rgba(0,0,0,.15);
  box-shadow: 0 10px 24px rgba(0,0,0,.35), inset 0 0 0 6px rgba(255,255,255,.15);
  padding:26px;
  position:relative;
}
.pin-card::before{ /* pushpin */
  content:"";
  position:absolute; top:-9px; left:50%; transform:translateX(-50%);
  width:16px; height:16px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, #ff8a7a, var(--stamp) 70%);
  box-shadow: 0 3px 4px rgba(0,0,0,.45);
}
.pin-card.tilt-l{ transform: rotate(-1.6deg); }
.pin-card.tilt-r{ transform: rotate(1.4deg); }
.pin-card.no-pin::before{ display:none; }

/* -------- nav -------- */
.site-nav{
  position:sticky; top:0; z-index:50;
  background: var(--cork-dark);
  border-bottom: 6px solid var(--manila);
  box-shadow: 0 4px 14px rgba(0,0,0,.35);
}
.site-nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:12px; }
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--manila-2); min-width:0; }
.brand img{ flex:none; width:42px; height:42px; border-radius:9px; }
.brand-name{ font-family:var(--display); text-transform:uppercase; font-size:19px; letter-spacing:.02em; line-height:1.1; white-space:nowrap; }
.brand-name small{ display:block; font-family:var(--type); font-size:10px; letter-spacing:.14em; color:var(--sticky); text-transform:uppercase; }
.nav-links{ display:flex; gap:24px; list-style:none; margin:0; padding:0; font-family:var(--type); font-size:13px; text-transform:uppercase; letter-spacing:.04em; }
.nav-links a{ text-decoration:none; color:var(--manila-2); opacity:.85; transition:opacity .15s,color .15s; }
.nav-links a:hover{ opacity:1; color:var(--sticky); }

/* -------- mobile nav toggle -------- */
.nav-toggle{
  display:none; flex:none; width:40px; height:40px; border-radius:5px;
  background:transparent; border:2px solid var(--manila-2);
  position:relative; cursor:pointer; padding:0;
}
.nav-toggle i{ position:absolute; left:8px; right:8px; height:2px; background:var(--manila-2); transition:transform .2s, opacity .2s; display:block; }
.nav-toggle i:nth-child(1){ top:12px; }
.nav-toggle i:nth-child(2){ top:18px; }
.nav-toggle i:nth-child(3){ top:24px; }
.site-nav.open .nav-toggle i:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.site-nav.open .nav-toggle i:nth-child(2){ opacity:0; }
.site-nav.open .nav-toggle i:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

@media (max-width:760px){
  .brand-name{ font-size:15px; }
  .brand img{ width:36px; height:36px; }
  .nav-toggle{ display:block; }
  .nav-links{
    position:absolute; top:76px; left:0; right:0;
    flex-direction:column; gap:0;
    background: var(--cork-dark);
    border-bottom:6px solid var(--manila);
    max-height:0; overflow:hidden;
  }
  .nav-links li{ border-top:1px solid rgba(255,255,255,.08); }
  .nav-links a{ display:block; padding:16px 24px; }
  .site-nav.open .nav-links{ max-height:400px; }
}

/* -------- buttons -------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px; border-radius:3px;
  font-family:var(--display); font-size:15px; text-transform:uppercase; letter-spacing:.03em;
  text-decoration:none; cursor:pointer; border:2px solid transparent;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover{ transform: translateY(-2px) rotate(-.3deg); }
.btn-primary{ background: var(--stamp); color:#fff; box-shadow:0 6px 0 #7c2419; }
.btn-primary:hover{ box-shadow:0 8px 0 #7c2419; }
.btn-ghost{ background:var(--manila); border-color: var(--ink); color:var(--ink); box-shadow:0 6px 0 rgba(0,0,0,.3); }

/* -------- stamp badge -------- */
.stamp{
  display:inline-block; font-family:var(--display); text-transform:uppercase;
  letter-spacing:.08em; font-size:12px; color: var(--stamp);
  border:3px solid var(--stamp); border-radius:6px; padding:5px 12px;
  transform: rotate(-4deg); opacity:.9;
}

/* -------- hero -------- */
.hero{
  position:relative; padding:70px 0 60px;
  background-size:cover; background-position:center;
}
@media (max-width:700px){
  .hero{ padding:40px 0 36px; }
  section{ padding:44px 0; }
  .doc{ padding:24px 18px; }
  .req-card, .file-card{ padding:16px; }
}
.hero-bg{
  position:absolute; inset:0; z-index:0;
  background-image:url('../assets/img/hero-bg.jpg');
  background-size:cover; background-position:center 35%;
}
.hero-scrim{ position:absolute; inset:0; z-index:1; background:linear-gradient(180deg, rgba(20,14,8,.55), rgba(20,14,8,.85) 70%, var(--cork-dark)); }
.hero .wrap{ position:relative; z-index:2; }
.hero-inner{ max-width:640px; }
.hero .stamp{ margin-bottom:18px; }
.hero h1{ font-size:clamp(38px,6.5vw,64px); color:#fff; line-height:1.02; text-shadow:0 4px 18px rgba(0,0,0,.6); }
.hero h1 .hl{ color: var(--sticky); }
.hero p.lead{ color:#f1e6cb; font-size:18px; max-width:560px; margin-top:18px; }
.hero-cta{ display:flex; gap:16px; margin-top:30px; flex-wrap:wrap; }

/* -------- section shells -------- */
section{ padding:70px 0; }
.section-head{ max-width:640px; margin-bottom:40px; }
.section-head .stamp{ margin-bottom:14px; }
.section-head h2{ font-size:clamp(26px,4vw,38px); color:var(--manila-2); }
.section-head p{ color:var(--manila-2); opacity:.85; margin-top:10px; }
section.on-manila{ background: var(--manila); background-image: repeating-linear-gradient(rgba(0,0,0,.03) 0 1px, transparent 1px 26px); }
section.on-manila .section-head h2{ color:var(--ink); }
section.on-manila .section-head p{ color:var(--ink); opacity:.75; }

/* -------- feature grid -------- */
.feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.feature-grid .pin-card h3{ font-size:19px; color:var(--stamp); }
.feature-grid .pin-card p{ font-size:14.5px; margin:0; }
@media (max-width:860px){ .feature-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .feature-grid{ grid-template-columns:1fr; } }

/* -------- roster preview strips (towers/enemies mini grid) -------- */
.roster-grid{ display:grid; grid-template-columns:repeat(7,1fr); gap:14px; }
.roster-item{ background:var(--manila-2); border:1px solid rgba(0,0,0,.15); border-radius:8px; padding:12px 8px 10px; text-align:center; box-shadow:0 4px 0 rgba(0,0,0,.12); }
.roster-item img{ width:100%; height:56px; object-fit:contain; margin-bottom:8px; }
.roster-item span{ font-family:var(--type); font-size:10.5px; text-transform:uppercase; letter-spacing:.02em; }
@media (max-width:860px){ .roster-grid{ grid-template-columns:repeat(4,1fr); } }
@media (max-width:520px){ .roster-grid{ grid-template-columns:repeat(3,1fr); } }

/* -------- Barry corkboard strip -------- */
.barry-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; align-items:end; }
.barry-strip figure{ margin:0; }
.barry-strip img{ border-radius:6px; border:6px solid var(--manila); box-shadow:0 10px 24px rgba(0,0,0,.5); }
.barry-strip figcaption{ font-family:var(--type); font-size:12px; color:var(--manila-2); text-align:center; margin-top:10px; text-transform:uppercase; letter-spacing:.04em; }
@media (max-width:760px){ .barry-strip{ grid-template-columns:1fr 1fr; } }

/* -------- personnel file cards (enemies) -------- */
.file-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.file-card{ background:var(--manila-2); border:1px solid rgba(0,0,0,.18); box-shadow:0 6px 0 rgba(0,0,0,.12); padding:16px; position:relative; }
.file-card .class-tab{ position:absolute; top:0; right:16px; transform:translateY(-50%); font-family:var(--type); font-size:10px; text-transform:uppercase; letter-spacing:.05em; padding:3px 9px; border-radius:3px; color:#fff; }
.file-card img{ width:100%; height:84px; object-fit:contain; margin:6px 0 10px; }
.file-card h4{ font-family:var(--display); font-size:16px; margin:0 0 4px; text-transform:uppercase; }
.file-card p{ font-family:var(--type); font-size:12.5px; margin:0; color:#4a3a22; }
@media (max-width:900px){ .file-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:620px){ .file-grid{ grid-template-columns:repeat(2,1fr); } }

.class-bug{ background:#6a8f3d; }
.class-fast{ background:#c77c1f; }
.class-beast{ background:#a63b2b; }
.class-armored{ background:#5a6672; }
.class-ghost{ background:#4e6fa8; }

/* -------- requisition (tower) cards -------- */
.req-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.req-card{ background:var(--manila-2); border:1px solid rgba(0,0,0,.18); box-shadow:0 6px 0 rgba(0,0,0,.12); padding:20px; }
.req-card .req-head{ display:flex; align-items:center; gap:14px; border-bottom:2px dashed rgba(0,0,0,.2); padding-bottom:12px; margin-bottom:12px; }
.req-card img{ width:56px; height:56px; object-fit:contain; }
.req-card h4{ font-family:var(--display); font-size:18px; margin:0; text-transform:uppercase; }
.req-card .req-cost{ font-family:var(--type); font-size:12px; color:var(--stamp); }
.req-card p{ font-size:14px; margin:0 0 10px; }
.req-card .req-meta{ display:flex; flex-wrap:wrap; gap:8px; font-family:var(--type); font-size:11px; text-transform:uppercase; }
.req-card .req-meta span{ background:rgba(0,0,0,.06); padding:3px 8px; border-radius:3px; }
@media (max-width:860px){ .req-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .req-grid{ grid-template-columns:1fr; } }

/* -------- help hub tiles -------- */
.help-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.help-tile{ text-decoration:none; display:block; }
.help-tile h3{ color:var(--stamp); font-size:20px; }
.help-tile p{ color:var(--ink); font-size:14px; margin:8px 0 0; }
@media (max-width:760px){ .help-grid{ grid-template-columns:1fr; } }

/* -------- misc content styling (privacy policy / how to play) -------- */
.doc{ background:var(--manila-2); padding:40px; border:1px solid rgba(0,0,0,.15); box-shadow:0 10px 24px rgba(0,0,0,.25); }
.doc h2{ color:var(--stamp); font-size:22px; margin-top:34px; }
.doc h2:first-child{ margin-top:0; }
.doc p, .doc li{ font-size:15px; }
.doc ul{ padding-left:22px; }
.doc .updated{ font-family:var(--type); font-size:12.5px; color:#6b5a3a; }

/* -------- footer -------- */
footer{ background: var(--cork-dark); border-top:6px solid var(--manila); padding:44px 0 30px; margin-top:20px; }
footer .wrap{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; }
footer .tmono{ font-family:var(--type); font-size:12.5px; color:var(--manila-2); opacity:.85; }
footer a{ text-decoration:none; color:var(--manila-2); }
footer a:hover{ color:var(--sticky); }
.foot-links{ display:flex; gap:20px; list-style:none; padding:0; margin:0; font-family:var(--type); font-size:12.5px; text-transform:uppercase; flex-wrap:wrap; }
.foot-links li{ white-space:nowrap; }
@media (max-width:700px){ footer .wrap{ flex-direction:column; } .foot-links{ gap:10px 18px; } }

::selection{ background: var(--sticky); color:var(--ink); }