/* ═══════════════════════════════════════════════════════════
   Know Your Hydration — Shared Stylesheet
   Mobile-first. Breakpoints: sm=640 md=768 lg=1024 xl=1280
═══════════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────── */
:root {
  --bg:          #F7F7F5;
  --surface:     #FFFFFF;
  --surface-2:   #F2F2EF;
  --ink:         #111110;
  --ink-2:       #3D3D38;
  --ink-3:       #72726A;
  --ink-4:       #A5A59C;
  --teal:        #0D7377;
  --teal-2:      #0B6063;
  --teal-light:  #E6F4F4;
  --teal-mid:    #B0D9DA;
  --border:      #E4E4DF;
  --border-2:    #CECEC7;
  --ev-high:     #059669; --ev-high-bg:  #D1FAE5;
  --ev-med:      #B45309; --ev-med-bg:   #FEF3C7;
  --ev-low:      #4B5563; --ev-low-bg:   #F3F4F6;
  --ev-mixed:    #7C3AED; --ev-mixed-bg: #F3E8FF;
  --alert:       #DC2626; --alert-bg:    #FEF2F2;
  --orange:      #EA580C; --orange-bg:   #FFF7ED;
  --sh-sm: 0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --sh-md: 0 4px 16px rgba(0,0,0,.08),0 2px 6px rgba(0,0,0,.04);
  --sh-lg: 0 16px 40px rgba(0,0,0,.10),0 4px 10px rgba(0,0,0,.04);
  --r-sm:4px; --r-md:10px; --r-lg:16px; --r-xl:20px; --r-2xl:28px;
  --nav-h:60px;
}

/* ─── RESET ──────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit}

/* ─── LAYOUT ─────────────────────────── */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.wrap{padding:0 28px}}
@media(min-width:1024px){.wrap{padding:0 40px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
.divider{border:none;border-top:1px solid var(--border);max-width:1200px;margin:0 auto}

/* ─── TYPE ───────────────────────────── */
.label{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:10px}
.display{font-family:'Lora',Georgia,serif;font-size:clamp(1.9rem,5vw,3.4rem);font-weight:700;line-height:1.06;letter-spacing:-.025em}
.heading{font-family:'Lora',Georgia,serif;font-size:clamp(1.3rem,3vw,2rem);font-weight:700;line-height:1.15;letter-spacing:-.015em}
.heading-sm{font-family:'Lora',Georgia,serif;font-size:clamp(1.1rem,2.5vw,1.5rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.subheading{font-size:15px;color:var(--ink-3);line-height:1.7}
@media(min-width:768px){.subheading{font-size:16px}}
.mono{font-family:'JetBrains Mono','SF Mono',monospace;font-size:11px;font-weight:500}

/* ─── NAV ────────────────────────────── */
.nav{position:sticky;top:0;z-index:200;background:rgba(247,247,245,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);height:var(--nav-h)}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:14px;letter-spacing:-.01em;color:var(--ink);text-decoration:none;flex-shrink:0}
.nav-logo-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);flex-shrink:0}
.nav-links{display:none}
@media(min-width:768px){
  .nav-links{display:flex;align-items:center;gap:2px;flex:1}
  .nav-links a{font-size:13px;font-weight:500;color:var(--ink-3);padding:6px 12px;border-radius:var(--r-sm);transition:background .15s,color .15s;white-space:nowrap}
  .nav-links a:hover{background:var(--surface-2);color:var(--ink)}
  .nav-links a.active{color:var(--teal);background:var(--teal-light)}
}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-cta{background:var(--teal);color:#fff;font-size:13px;font-weight:700;padding:9px 18px;border-radius:var(--r-md);border:none;white-space:nowrap;transition:background .15s,transform .1s;display:none}
@media(min-width:640px){.nav-cta{display:block}}
.nav-cta:hover{background:var(--teal-2);transform:translateY(-1px)}
.nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;padding:8px;width:40px;height:40px}
@media(min-width:768px){.nav-burger{display:none}}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:all .2s}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:var(--surface);z-index:190;flex-direction:column;padding:20px 24px;gap:0;overflow-y:auto}
.nav-mobile.open{display:flex}
.nav-mobile a{font-size:16px;font-weight:500;color:var(--ink-2);padding:15px 0;border-bottom:1px solid var(--border);display:block}
.nav-mobile a.active{color:var(--teal)}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile .nav-mobile-cta{background:var(--teal);color:#fff;font-weight:700;padding:14px 20px;border-radius:var(--r-md);text-align:center;margin-top:16px;border-bottom:none}

/* ─── BUTTONS ────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--r-md);font-size:14px;font-weight:700;border:none;transition:all .15s;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-2);transform:translateY(-1px);box-shadow:0 6px 20px rgba(13,115,119,.25)}
.btn-outline{background:var(--surface);color:var(--ink);border:2px solid var(--border-2)}
.btn-outline:hover{border-color:var(--teal);color:var(--teal)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-lg{padding:16px 32px;font-size:16px}

/* ─── TAGS / BADGES ──────────────────── */
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:500;padding:4px 12px;border-radius:20px;background:var(--teal-light);color:var(--teal);border:1px solid var(--teal-mid)}
.pill{font-size:11px;font-weight:500;padding:3px 10px;border-radius:4px;background:var(--surface-2);color:var(--ink-3);border:1px solid var(--border);font-family:'JetBrains Mono',monospace}
.ev-badge{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:3px 9px;border-radius:4px;white-space:nowrap}
.ev-high{background:var(--ev-high-bg);color:var(--ev-high)}
.ev-med{background:var(--ev-med-bg);color:var(--ev-med)}
.ev-low{background:var(--ev-low-bg);color:var(--ev-low)}
.ev-mixed{background:var(--ev-mixed-bg);color:var(--ev-mixed)}

/* ─── CARDS ──────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:24px;box-shadow:var(--sh-sm);transition:box-shadow .2s,transform .2s,border-color .2s}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--teal-mid)}
@media(max-width:639px){.card{padding:18px}}

/* ─── GRIDS ──────────────────────────── */
.grid-2{display:grid;grid-template-columns:1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:20px}}

/* ─── SECTION HEADER ─────────────────── */
.section-head{margin-bottom:32px}
@media(min-width:768px){.section-head{margin-bottom:44px}}
.section-head-row{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:14px;margin-bottom:32px}

/* ─── BARS ───────────────────────────── */
.bars{display:flex;flex-direction:column;gap:7px}
.bar-row{display:grid;grid-template-columns:26px 1fr 52px;gap:8px;align-items:center}
.bar-key{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:600;color:var(--ink-3)}
.bar-track{height:5px;background:var(--surface-2);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;border-radius:3px;transition:width .4s}
.bar-val{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--ink-3);text-align:right}

/* ─── FILTER BAR ─────────────────────── */
.filter-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px 16px;box-shadow:var(--sh-sm);margin-bottom:20px}
.filter-bar-inner{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filter-pill{font-size:12px;font-weight:500;padding:6px 14px;border-radius:20px;background:var(--surface-2);border:1.5px solid var(--border);color:var(--ink-3);cursor:pointer;transition:all .15s;white-space:nowrap}
.filter-pill:hover{border-color:var(--teal);color:var(--teal)}
.filter-pill.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.filter-clear{font-size:12px;font-weight:500;color:var(--ink-4);background:none;border:none;padding:6px 8px;cursor:pointer;margin-left:auto}
.filter-clear:hover{color:var(--alert)}

/* ─── SEARCH ─────────────────────────── */
.search-wrap{position:relative}
.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-4);width:16px;height:16px;pointer-events:none}
.search-input{width:100%;padding:11px 14px 11px 40px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);font-size:14px;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
.search-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,115,119,.1)}
.search-input::placeholder{color:var(--ink-4)}

/* ─── EMPTY STATE ────────────────────── */
.empty-state{text-align:center;padding:48px 24px;background:var(--surface-2);border-radius:var(--r-xl);color:var(--ink-3);grid-column:1/-1}

/* ─── INDIA STRIP ────────────────────── */
.india-strip{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-2xl);padding:28px 24px;box-shadow:var(--sh-sm)}
@media(min-width:768px){.india-strip{padding:44px 52px;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center}}
.india-label{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#C2410C;background:#FFF7ED;border:1px solid #FED7AA;padding:4px 12px;border-radius:20px;margin-bottom:14px}
.wbgt-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-xl);padding:24px;text-align:center;margin-top:20px;min-width:160px}
@media(min-width:768px){.wbgt-panel{margin-top:0}}
.wbgt-num{font-family:'Lora',serif;font-size:3rem;font-weight:700;color:#C2410C;line-height:1;margin-bottom:4px}
.wbgt-risk{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--alert);background:var(--alert-bg);border:1px solid #FECACA;padding:5px 14px;border-radius:20px;display:inline-block}

/* ─── VIEW ALL BAR ───────────────────── */
.view-all-bar{display:flex;flex-direction:column;gap:12px;background:var(--teal-light);border:1px solid var(--teal-mid);border-radius:var(--r-lg);padding:16px 20px;margin-top:20px}
@media(min-width:640px){.view-all-bar{flex-direction:row;align-items:center;justify-content:space-between}}
.view-all-text{font-size:13px;font-weight:500;color:var(--ink-2)}
.view-all-text strong{color:var(--ink)}

/* ─── CHAT BAR ───────────────────────── */
.chat-bar{position:fixed;bottom:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border);box-shadow:0 -4px 24px rgba(0,0,0,.06);padding:10px 0}
.chat-inner{display:flex;align-items:center;gap:10px}
.chat-icon-btn{background:none;border:1px solid var(--border);width:38px;height:38px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:16px;flex-shrink:0;transition:border-color .15s,color .15s}
.chat-icon-btn:hover{border-color:var(--teal);color:var(--teal)}
.chat-input{flex:1;padding:10px 16px;background:var(--bg);border:1px solid var(--border);border-radius:24px;font-size:14px;color:var(--ink);outline:none;min-width:0;transition:border-color .15s,box-shadow .15s}
.chat-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,115,119,.1)}
.chat-input::placeholder{color:var(--ink-4);font-size:13px}
.chat-send{background:var(--teal);color:#fff;border:none;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:background .15s,transform .1s}
.chat-send:hover{background:var(--teal-2);transform:scale(1.05)}

/* ─── FOOTER ─────────────────────────── */
footer{background:var(--ink);color:#6B6B62;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}}
.footer-brand{color:#E8E8E0;font-size:14px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px;letter-spacing:-.01em}
.footer-brand-dot{width:9px;height:9px;border-radius:50%;background:var(--teal)}
.footer-desc{font-size:12px;line-height:1.7;color:#4A4A42;max-width:220px}
.footer-col-head{font-size:9px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#4A4A42;margin-bottom:14px}
footer a{display:block;font-size:13px;color:#6B6B62;margin-bottom:10px;transition:color .15s}
footer a:hover{color:#A8A89E}
.footer-bottom{border-top:1px solid #252520;padding:20px 0;display:flex;flex-direction:column;gap:6px}
@media(min-width:640px){.footer-bottom{flex-direction:row;justify-content:space-between}}
.footer-bottom p{font-size:11px;color:#3A3A32}

/* ─── PAGE HERO ──────────────────────── */
.page-hero{background:var(--surface);border-bottom:1px solid var(--border);padding:36px 0 32px}
@media(min-width:768px){.page-hero{padding:52px 0 44px}}

/* ─── RESULTS COUNT ──────────────────── */
.results-count{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.results-count strong{color:var(--ink)}

/* ─── PILL ROW ───────────────────────── */
.pill-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}

/* ─── SOURCE CARD ────────────────────── */
.source-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:20px;text-decoration:none;color:inherit;box-shadow:var(--sh-sm);transition:box-shadow .2s,transform .2s,border-color .2s}
.source-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--teal-mid)}
.source-type{font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:8px}
.type-paper{background:var(--ev-high-bg);color:var(--ev-high)}
.type-meta{background:var(--ev-mixed-bg);color:var(--ev-mixed)}
.type-guideline{background:#DBEAFE;color:#1D4ED8}
.type-regulatory{background:#FEF3C7;color:#B45309}
.type-industry{background:#F3F4F6;color:#374151}
.source-arrow{font-size:12px;font-weight:600;color:var(--teal);margin-top:10px;opacity:0;transition:opacity .15s}
.source-card:hover .source-arrow{opacity:1}

/* ─── UTILITIES ──────────────────────── */
.hidden{display:none!important}
.pill-row{display:flex;flex-wrap:wrap;gap:6px}

/* ═══════════════════════════════════════════════════════════
   EXPANDABLE CHAT WIDGET
═══════════════════════════════════════════════════════════ */
.chat-widget { position: fixed; bottom: 24px; right: 20px; z-index: 300; }
@media (min-width: 640px) { .chat-widget { bottom: 28px; right: 28px; } }

/* Trigger button */
.chat-trigger {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--teal); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(13,115,119,.35);
  transition: transform .2s, box-shadow .2s;
  position: relative;
}
.chat-trigger:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(13,115,119,.45); }
.chat-trigger svg { width: 24px; height: 24px; transition: opacity .2s, transform .2s; }
.chat-trigger .icon-open  { position: absolute; }
.chat-trigger .icon-close { position: absolute; opacity: 0; transform: rotate(-90deg); }
.chat-trigger.open .icon-open  { opacity: 0; transform: rotate(90deg); }
.chat-trigger.open .icon-close { opacity: 1; transform: rotate(0); }

/* Unread badge */
.chat-badge {
  position: absolute; top: -2px; right: -2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #DC2626; color: #fff;
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg);
  transition: opacity .2s;
}
.chat-badge.hidden { opacity: 0; pointer-events: none; }

/* Panel */
.chat-panel {
  position: absolute; bottom: 68px; right: 0;
  width: calc(100vw - 32px); max-width: 380px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-2xl); box-shadow: var(--sh-lg);
  display: flex; flex-direction: column;
  transform: scale(.94) translateY(12px);
  opacity: 0; pointer-events: none;
  transition: transform .22s cubic-bezier(.34,1.56,.64,1), opacity .18s ease;
  overflow: hidden;
  max-height: 520px;
}
.chat-panel.open { transform: scale(1) translateY(0); opacity: 1; pointer-events: all; }

/* Panel header */
.chat-panel-head {
  background: var(--ink); color: #fff;
  padding: 14px 18px; display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.chat-panel-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--teal); display: flex; align-items: center;
  justify-content: center; font-size: 16px; flex-shrink: 0;
}
.chat-panel-title { font-size: 13px; font-weight: 700; color: #fff; }
.chat-panel-sub   { font-size: 11px; color: rgba(255,255,255,.5); }
.chat-panel-close {
  margin-left: auto; background: none; border: none; color: rgba(255,255,255,.5);
  cursor: pointer; padding: 4px; border-radius: 6px; transition: color .15s;
}
.chat-panel-close:hover { color: #fff; }

/* Messages area */
.chat-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 200px;
}
.chat-msg { max-width: 88%; line-height: 1.55; }
.chat-msg-bot {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 14px 14px 14px 4px;
  padding: 10px 14px; font-size: 13px; color: var(--ink-2);
  align-self: flex-start;
}
.chat-msg-bot a { color: var(--teal); text-decoration: underline; font-weight: 600; }
.chat-msg-user {
  background: var(--teal); color: #fff;
  border-radius: 14px 14px 4px 14px;
  padding: 10px 14px; font-size: 13px;
  align-self: flex-end;
}
.chat-msg-typing {
  align-self: flex-start; padding: 10px 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 14px 14px 14px 4px;
  display: flex; gap: 5px; align-items: center;
}
.chat-msg-typing span {
  width: 7px; height: 7px; background: var(--ink-4); border-radius: 50%;
  animation: typing-dot .9s ease-in-out infinite;
}
.chat-msg-typing span:nth-child(2) { animation-delay: .2s; }
.chat-msg-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes typing-dot { 0%,80%,100% { transform:scale(.6); opacity:.4 } 40% { transform:scale(1); opacity:1 } }

/* Suggested questions */
.chat-suggestions { padding: 0 12px 10px; display: flex; flex-direction: column; gap: 7px; flex-shrink: 0; }
.chat-suggestion {
  font-size: 12px; font-weight: 500; color: var(--teal);
  background: var(--teal-light); border: 1px solid var(--teal-mid);
  border-radius: 20px; padding: 7px 14px; cursor: pointer;
  text-align: left; transition: background .15s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chat-suggestion:hover { background: var(--teal-mid); }

/* Input row */
.chat-input-row {
  padding: 12px; border-top: 1px solid var(--border);
  display: flex; gap: 8px; align-items: center; flex-shrink: 0;
}
.chat-panel-input {
  flex: 1; padding: 9px 14px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 22px;
  font-size: 13px; color: var(--ink); outline: none; min-width: 0;
  transition: border-color .15s;
}
.chat-panel-input:focus { border-color: var(--teal); }
.chat-panel-input::placeholder { color: var(--ink-4); }
.chat-panel-send {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--teal); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .15s, transform .1s;
}
.chat-panel-send:hover { background: var(--teal-2); transform: scale(1.08); }
.chat-panel-footer { font-size: 10px; color: var(--ink-4); text-align: center; padding: 6px 14px 12px; flex-shrink: 0; }