/* ============================================================
   A.A. CONSULTANTS — MEP CONSULTING ENGINEERS
   Design system: "Drafting Table" — blueprint schematics,
   title-block footers, corner registration marks, P&ID rail.
   ============================================================ */

:root{
  --ink:        #0d1117;
  --ink-2:      #10151d;
  --panel:      #161d27;
  --panel-2:    #1c2531;
  --line:       #2a3542;
  --steel:      #8fa0b3;
  --steel-dim:  #5c6b7d;
  --paper:      #eef1f4;
  --paper-dim:  #c7d0da;
  --orange:     #e8541f;
  --orange-2:   #ff7a42;
  --cyan:       #2fb6c4;
  --cyan-2:     #6fe0ec;
  --grid-line:  rgba(111,224,236,0.06);
  --grid-line-strong: rgba(111,224,236,0.12);

  --f-display: 'Oswald', sans-serif;
  --f-body: 'Inter', sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--paper-dim);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
::selection{background:var(--orange);color:var(--ink);}

h1,h2,h3,h4,h5{
  font-family:var(--f-display);
  color:var(--paper);
  text-transform:uppercase;
  letter-spacing:.02em;
  font-weight:600;
  margin:0;
}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan-2);}
p{color:var(--steel);}

.mono{font-family:var(--f-mono);}
.text-orange{color:var(--orange)!important;}
.text-cyan{color:var(--cyan)!important;}

/* ---------- Blueprint grid backdrop ---------- */
.blueprint-bg{
  position:relative;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:44px 44px;
  background-color:var(--ink);
}
.blueprint-bg.alt{background-color:var(--ink-2);}

/* ---------- Corner registration marks (from source deck) ---------- */
.reg-corner{
  position:absolute;
  width:34px;height:34px;
  pointer-events:none;
  z-index:2;
}
.reg-corner.tl{top:0;left:0;border-top:3px solid var(--orange);border-left:3px solid var(--orange);}
.reg-corner.br{bottom:0;right:0;border-bottom:3px solid var(--cyan);border-right:3px solid var(--cyan);}

.framed{
  position:relative;
  padding:8px;
}

/* ---------- Eyebrow / kicker labels (drawing callouts) ---------- */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:1rem;
}
.kicker::before{
  content:"";
  width:22px;height:1px;
  background:var(--cyan);
  display:inline-block;
}
.kicker.on-dark{color:var(--orange-2);}
.kicker.on-dark::before{background:var(--orange-2);}

/* ---------- Navbar ---------- */
.aac-nav{
  background:rgba(13,17,23,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease, background .25s ease;
  padding:.9rem 0;
}
.aac-nav.scrolled{padding:.45rem 0; background:rgba(13,17,23,.97);}
.aac-nav .navbar-brand{display:flex;align-items:center;gap:.65rem;}
.aac-nav .navbar-brand img{height:40px;width:auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text .name{font-family:var(--f-display);color:var(--paper);font-size:1.05rem;letter-spacing:.04em;font-weight:600;}
.brand-text .tag{font-family:var(--f-mono);color:var(--cyan);font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;}
.aac-nav .nav-link{
  font-family:var(--f-mono);
  font-size:.74rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
  margin:0 .4rem;
  padding:.5rem .3rem!important;
  position:relative;
}
.aac-nav .nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--orange);
  transition:width .25s ease;
}
.aac-nav .nav-link:hover, .aac-nav .nav-link.active{color:var(--paper);}
.aac-nav .nav-link:hover::after, .aac-nav .nav-link.active::after{width:100%;}
.btn-quote{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink)!important;
  background:var(--orange);
  border:1px solid var(--orange);
  padding:.55rem 1.1rem;
  border-radius:2px;
  transition:all .2s ease;
}
.btn-quote:hover{background:transparent;color:var(--orange)!important;}

.navbar-toggler{border-color:var(--line);}
.navbar-toggler-icon{filter:invert(1);}

/* ---------- Scroll rail (P&ID pipe running the page) ---------- */
#scrollRail{
  position:fixed;
  left:0;top:0;
  width:4px;height:100vh;
  background:var(--line);
  z-index:1050;
}
#scrollRail .fill{
  width:100%;
  height:0%;
  background:linear-gradient(var(--orange), var(--cyan));
  box-shadow:0 0 12px rgba(232,84,31,.5);
  transition:height .05s linear;
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:
    linear-gradient(180deg, rgba(10,13,18,.55) 0%, rgba(10,13,18,.82) 55%, var(--ink) 100%),
    url('../img/hero-crane.jpg') center 30%/cover no-repeat;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
  background-size:56px 56px;
  mix-blend-mode:screen;
  opacity:.55;
}
.hero-inner{position:relative;z-index:2;}
.hero-drawno{
  font-family:var(--f-mono);
  font-size:.72rem;
  color:var(--steel);
  letter-spacing:.18em;
  margin-bottom:1.4rem;
  display:flex;
  gap:1.6rem;
  flex-wrap:wrap;
}
.hero-drawno span b{color:var(--cyan);font-weight:500;}
.hero h1{
  font-size:clamp(2.4rem, 6vw, 5rem);
  line-height:1.02;
  color:var(--paper);
}
.hero h1 .accent{color:var(--orange);}
.hero-sub{
  max-width:640px;
  font-size:1.08rem;
  color:var(--paper-dim);
  margin-top:1.4rem;
}
.hero-cta{margin-top:2.4rem;display:flex;gap:1rem;flex-wrap:wrap;}

.btn-schematic{
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  padding:.85rem 1.6rem;
  border-radius:2px;
  border:1px solid var(--orange);
  color:var(--paper)!important;
  background:var(--orange);
  transition:all .2s ease;
  display:inline-flex;align-items:center;gap:.6rem;
}
.btn-schematic:hover{background:transparent;color:var(--orange)!important;transform:translateY(-2px);}
.btn-schematic.ghost{background:transparent;border-color:var(--line);color:var(--paper-dim)!important;}
.btn-schematic.ghost:hover{border-color:var(--cyan);color:var(--cyan)!important;}

.hero-scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.5rem;
  font-family:var(--f-mono);font-size:.65rem;letter-spacing:.2em;
  color:var(--steel);z-index:2;
}
.hero-scroll .line{width:1px;height:34px;background:linear-gradient(var(--orange),transparent);animation:scrollpulse 1.8s ease-in-out infinite;}
@keyframes scrollpulse{0%{opacity:.2;transform:scaleY(.4);}50%{opacity:1;transform:scaleY(1);}100%{opacity:.2;transform:scaleY(.4);}}

/* client marquee */
.marquee-wrap{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--ink-2);
  overflow:hidden;
  position:relative;
  z-index:2;
}
.marquee-wrap .label{
  position:absolute;left:0;top:0;bottom:0;
  display:flex;align-items:center;
  padding:0 1.2rem;
  background:var(--orange);
  color:var(--ink);
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  z-index:3;
  font-weight:600;
}
.marquee-track{
  display:flex;
  white-space:nowrap;
  animation:marquee 32s linear infinite;
  padding:.9rem 0 .9rem 9.5rem;
}
.marquee-track span{
  font-family:var(--f-mono);
  font-size:.85rem;
  color:var(--steel);
  margin-right:2.6rem;
  letter-spacing:.04em;
}
.marquee-track span::after{content:"◆";color:var(--cyan);margin-left:2.6rem;opacity:.5;}
@keyframes marquee{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ============================================================
   STATS / INSTRUMENT READOUT
   ============================================================ */
.stats-strip{
  background:var(--panel);
  border-bottom:1px solid var(--line);
  padding:3.2rem 0;
}
.stat-card{
  text-align:center;
  padding:1rem .5rem;
  border-right:1px solid var(--line);
}
.stat-card:last-child{border-right:none;}
.stat-num{
  font-family:var(--f-mono);
  font-size:clamp(2rem,4vw,3rem);
  color:var(--paper);
  font-weight:600;
  line-height:1;
}
.stat-num .unit{color:var(--orange);font-size:.5em;margin-left:2px;}
.stat-label{
  margin-top:.6rem;
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}

/* ============================================================
   SECTION shell
   ============================================================ */
.section{padding:7rem 0;position:relative;}
.section-tight{padding:4.5rem 0;}
.section-title{
  font-size:clamp(1.9rem,3.6vw,3rem);
  color:var(--paper);
  margin-bottom:1.4rem;
}
.section-lead{max-width:640px;color:var(--steel);font-size:1.05rem;}

/* ---------- WHO WE ARE ---------- */
.who-photo-wrap{position:relative;}
.who-photo-wrap img{
  width:100%;
  border:1px solid var(--line);
  filter:grayscale(15%) contrast(1.05);
}
.who-photo-tag{
  position:absolute;bottom:-1px;left:-1px;
  background:var(--orange);
  color:var(--ink);
  font-family:var(--f-mono);
  font-size:.62rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:.4rem .8rem;
}
.who-copy p{margin-bottom:1.2rem;}
.who-copy p:first-of-type{
  font-size:1.15rem;
  color:var(--paper-dim);
}

/* ---------- APPLICATIONS grid ---------- */
.app-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.app-cell{
  background:var(--panel);
  padding:1.6rem 1.2rem;
  display:flex;
  align-items:center;
  gap:.9rem;
  transition:background .2s ease;
}
.app-cell:hover{background:var(--panel-2);}
.app-cell svg{flex:0 0 auto;width:26px;height:26px;stroke:var(--cyan);}
.app-cell span{
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.05em;
  color:var(--paper-dim);
  text-transform:uppercase;
}

/* ---------- SERVICES tabs ---------- */
.svc-nav{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
}
.svc-nav button{
  text-align:left;
  background:var(--panel);
  border:none;
  border-bottom:1px solid var(--line);
  color:var(--steel);
  font-family:var(--f-display);
  text-transform:uppercase;
  letter-spacing:.04em;
  font-size:1rem;
  padding:1.1rem 1.3rem;
  display:flex;
  align-items:center;
  gap:.9rem;
  transition:all .2s ease;
  cursor:pointer;
}
.svc-nav button:last-child{border-bottom:none;}
.svc-nav button .idx{font-family:var(--f-mono);color:var(--steel-dim);font-size:.78rem;}
.svc-nav button.active{background:var(--panel-2);color:var(--paper);border-left:3px solid var(--orange);}
.svc-nav button.active .idx{color:var(--orange);}
.svc-nav button:hover:not(.active){color:var(--paper);background:var(--panel-2);}

.svc-panel{
  border:1px solid var(--line);
  background:var(--panel);
  padding:2.2rem;
  min-height:100%;
  display:none;
}
.svc-panel.active{display:block;animation:fadein .35s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.svc-panel h4{color:var(--orange-2);margin-bottom:1.2rem;font-size:1.2rem;}
.svc-list{list-style:none;padding:0;margin:0;columns:2;column-gap:2rem;}
.svc-list li{
  padding:.5rem 0;
  border-bottom:1px dashed var(--line);
  color:var(--paper-dim);
  font-size:.92rem;
  break-inside:avoid;
  display:flex;
  gap:.6rem;
}
.svc-list li::before{content:"—";color:var(--cyan);flex:0 0 auto;}

/* ---------- CAD / LOD stepper ---------- */
.lod-strip{
  display:flex;
  border:1px solid var(--line);
  margin-top:2.5rem;
  overflow-x:auto;
}
.lod-step{
  flex:1 1 0;
  min-width:150px;
  padding:1.3rem 1.1rem;
  border-right:1px solid var(--line);
  position:relative;
}
.lod-step:last-child{border-right:none;}
.lod-step .num{
  font-family:var(--f-mono);
  color:var(--orange);
  font-size:.72rem;
  letter-spacing:.1em;
}
.lod-step .lbl{
  font-family:var(--f-display);
  text-transform:uppercase;
  color:var(--paper);
  font-size:.92rem;
  margin-top:.35rem;
}
.lod-step::after{
  content:"";
  position:absolute;top:50%;right:-1px;
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:50%;
  transform:translate(50%,-50%);
  z-index:2;
}
.lod-step:last-child::after{display:none;}

/* ---------- Gallery / Projects ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:.6rem;
  margin-bottom:2.6rem;
}
.filter-btn{
  font-family:var(--f-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
  background:transparent;
  border:1px solid var(--line);
  padding:.5rem 1rem;
  border-radius:2px;
  transition:all .2s ease;
  cursor:pointer;
}
.filter-btn.active,.filter-btn:hover{
  color:var(--ink);
  background:var(--cyan);
  border-color:var(--cyan);
}
.gallery-item{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  margin-bottom:1.6rem;
}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(35%) brightness(.82);
  transition:transform .6s ease, filter .4s ease;
}
.gallery-item:hover img{transform:scale(1.08);filter:grayscale(0%) brightness(.95);}
.gallery-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(10,13,18,.92) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:1.1rem;
}
.gallery-overlay .cat{
  font-family:var(--f-mono);
  font-size:.62rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
}
.gallery-overlay .nm{
  font-family:var(--f-display);
  color:var(--paper);
  text-transform:uppercase;
  font-size:1rem;
  margin-top:.2rem;
}

/* ---------- Timeline (Highnoon project history) ---------- */
.tline{
  position:relative;
  padding-left:2.4rem;
  border-left:2px solid var(--line);
}
.tline-item{
  position:relative;
  padding-bottom:2.2rem;
}
.tline-item:last-child{padding-bottom:0;}
.tline-item::before{
  content:"";
  position:absolute;left:-2.55rem;top:.25rem;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--ink);
  border:2px solid var(--orange);
}
.tline-date{
  font-family:var(--f-mono);
  color:var(--orange-2);
  font-size:.78rem;
  letter-spacing:.1em;
}
.tline-item h5{font-size:1rem;margin-top:.3rem;color:var(--paper);text-transform:none;letter-spacing:0;font-family:var(--f-body);font-weight:600;}
.tline-item p{font-size:.88rem;margin-top:.3rem;margin-bottom:0;}

/* ---------- CEO ---------- */
.ceo-photo{
  border:1px solid var(--line);
  filter:grayscale(30%);
  width:100%;
}
.ceo-frame{position:relative;}
.ceo-badge{
  position:absolute;top:-14px;left:-14px;
  background:var(--orange);
  color:var(--ink);
  font-family:var(--f-mono);
  font-size:.65rem;
  letter-spacing:.14em;
  padding:.5rem .9rem;
  text-transform:uppercase;
  z-index:2;
}
.ceo-quote{
  font-family:var(--f-display);
  font-size:1.3rem;
  color:var(--paper);
  text-transform:none;
  letter-spacing:0;
  font-weight:400;
  border-left:3px solid var(--cyan);
  padding-left:1.2rem;
  margin:1.6rem 0;
  font-style:italic;
}
.credential-chip{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.08em;
  color:var(--cyan);
  border:1px solid var(--line);
  padding:.3rem .7rem;
  border-radius:2px;
  margin:.2rem .35rem .2rem 0;
}

/* ---------- Vision / Mission ---------- */
.vm-card{
  border:1px solid var(--line);
  background:var(--panel);
  padding:2.4rem;
  height:100%;
  position:relative;
  overflow:hidden;
}
.vm-card .big-mark{
  position:absolute;
  right:-.4rem;top:-1.6rem;
  font-family:var(--f-display);
  font-size:7rem;
  color:var(--panel-2);
  z-index:0;
  user-select:none;
}
.vm-card h3{position:relative;z-index:1;margin-bottom:1rem;}
.vm-card p{position:relative;z-index:1;}
.vm-card.orange-edge{border-left:3px solid var(--orange);}
.vm-card.cyan-edge{border-left:3px solid var(--cyan);}

/* ---------- Foreign reach ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:.55rem;}
.reach-chip{
  font-family:var(--f-mono);
  font-size:.72rem;
  color:var(--paper-dim);
  border:1px solid var(--line);
  padding:.45rem .85rem;
  border-radius:2px;
}
.reach-chip b{color:var(--orange-2);font-weight:600;}

/* ---------- Contact / Title Block footer ---------- */
.title-block{
  background:var(--panel);
  border-top:1px solid var(--line);
}
.tb-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  border:1px solid var(--line);
}
.tb-cell{
  padding:1.8rem 1.6rem;
  border-right:1px solid var(--line);
}
.tb-cell:last-child{border-right:none;}
.tb-label{
  font-family:var(--f-mono);
  font-size:.62rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel-dim);
  margin-bottom:.6rem;
}
.tb-value{color:var(--paper-dim);font-size:.92rem;}
.tb-value a{color:var(--paper-dim);}
.tb-value a:hover{color:var(--cyan);}

.contact-form label{
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
  margin-bottom:.4rem;
}
.contact-form .form-control{
  background:var(--ink-2);
  border:1px solid var(--line);
  color:var(--paper);
  border-radius:2px;
  padding:.75rem .9rem;
  font-family:var(--f-body);
}
.contact-form .form-control:focus{
  background:var(--ink-2);
  color:var(--paper);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(47,182,196,.15);
}
.contact-form textarea.form-control{min-height:130px;}

footer.site-footer{
  background:var(--ink-2);
  border-top:1px solid var(--line);
  padding:1.6rem 0;
  font-family:var(--f-mono);
  font-size:.72rem;
  color:var(--steel-dim);
  letter-spacing:.05em;
}
.footer-logo{height:24px;opacity:.7;}
.back-to-top{
  color:var(--steel);
  border:1px solid var(--line);
  border-radius:50%;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.back-to-top:hover{color:var(--ink);background:var(--cyan);border-color:var(--cyan);}

/* ---------- AOS-like reveal (custom, no dependency) ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}
.reveal-delay-4{transition-delay:.32s;}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px){
  .tb-grid{grid-template-columns:1fr 1fr;}
  .tb-cell{border-bottom:1px solid var(--line);}
  .app-grid{grid-template-columns:repeat(2,1fr);}
  .stat-card{border-right:none;border-bottom:1px solid var(--line);}
}
@media (max-width: 767.98px){
  .app-grid{grid-template-columns:1fr;}
  .tb-grid{grid-template-columns:1fr;}
  .svc-list{columns:1;}
  .section{padding:4.5rem 0;}
  #scrollRail{display:none;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
}

/* focus visibility */
a:focus-visible, button:focus-visible, .form-control:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

/* ============================================================
   CHATBOT WIDGET STYLES
   ============================================================ */
.chatbot-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  font-family: var(--f-body);
  z-index: 9999;
}

.chatbot-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-2) 100%);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(232, 84, 31, 0.4);
  transition: all 0.3s ease;
  position: relative;
}

.chatbot-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(232, 84, 31, 0.6);
}

.chatbot-toggle svg {
  width: 28px;
  height: 28px;
}

.notification-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #ff4444;
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

.chatbot-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 500px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 5px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(20px) scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
}

.chatbot-window.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition-delay: 0s;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chatbot-header {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, rgba(232, 84, 31, 0.1) 0%, rgba(47, 182, 196, 0.1) 100%);
}

.chatbot-header h3 {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

.chat-close {
  background: none;
  border: none;
  color: var(--steel);
  font-size: 28px;
  cursor: pointer;
  padding: 0 4px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  font-weight: 300;
  line-height: 1;
}

.chat-close:hover {
  color: var(--paper);
}

.chat-close:focus {
  outline: none;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-message {
  display: flex;
  margin-bottom: 8px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message.user p {
  background: var(--cyan);
  color: var(--ink);
}

.chat-message.bot p {
  background: var(--panel);
  color: var(--paper);
}

.chat-message p {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 8px;
  margin: 0;
  word-wrap: break-word;
  font-size: 14px;
  line-height: 1.4;
}

.chatbot-input-area {
  padding: 12px;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.chatbot-input-area form {
  display: flex;
  gap: 8px;
}

#chatInput {
  flex: 1;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--paper);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--f-body);
  transition: border-color 0.2s ease;
}

#chatInput:focus {
  outline: none;
  border-color: var(--cyan);
}

#chatInput::placeholder {
  color: var(--steel-dim);
}

.chat-send {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-2) 100%);
  border: none;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: transform 0.2s ease;
}

.chat-send:hover {
  transform: scale(1.05);
}

.chat-send:active {
  transform: scale(0.95);
}

/* Scrollbar styling for chat messages */
.chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--steel-dim);
  border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
  background: var(--steel);
}

/* Responsive */
@media (max-width: 480px) {
  .chatbot-widget {
    bottom: 20px;
    right: 20px;
  }

  .chatbot-window {
    width: calc(100vw - 40px);
    max-width: 380px;
    height: 450px;
  }

  .chatbot-toggle {
    width: 50px;
    height: 50px;
  }

  .chatbot-toggle svg {
    width: 24px;
    height: 24px;
  }
}