/* ============================================================
   CHILLMAX TECHNOLOGIES — SHARED STYLES
   Used by index.html and contact-us.html
   Contains: design tokens, base reset, header/nav, footer,
   logo mark, floating call/WhatsApp buttons, chat popup,
   thermal-rule signature device, and scroll-reveal utility.
   ============================================================ */

:root{
  --ink:#F5F8FC;
  --ink-2:#EAF0F8;
  --panel:#FFFFFF;
  --frost:#1690C4;
  --sky:#38BDF8;
  --frost-dim:#CFE9F7;
  --ember:#FF6B35;
  --amber:#C9932E;
  --brass:#8A6A2E;
  --paper:#0F1A2B;
  --paper-dim:#5B6B84;
  --line:rgba(15,26,43,0.1);
  --grad-thermal: linear-gradient(90deg, #2B6CB0 0%, #4FD1FF 22%, #F0F7FF 48%, #FFB627 72%, #FF6B35 100%);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:'Inter',sans-serif;
  line-height:1.5;
  overflow-x:hidden;
}
h1,h2,h3,.display{
  font-family:'Space Grotesk',sans-serif;
  letter-spacing:-0.02em;
}
.mono{font-family:'IBM Plex Mono',monospace;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
@media (max-width:640px){.wrap{padding:0 20px;}}

:focus-visible{outline:2px solid var(--frost);outline-offset:3px;}

/* ---------- THERMAL RULE (signature device) ---------- */
.thermal-rule{
  height:6px;
  background:var(--grad-thermal);
  border-radius:3px;
  position:relative;
  box-shadow:0 1px 0 rgba(255,255,255,0.5) inset, 0 1px 3px rgba(15,26,43,0.15);
}
.thermal-rule::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg, transparent 0 62px, rgba(15,26,43,0.16) 62px 64px, transparent 64px 66px);
  border-radius:3px;
  pointer-events:none;
}
.thermal-rule.dim{opacity:0.3;}
.thermal-rule.dim::before{display:none;}
.thermal-rule.dim::after{display:none;}
.thermal-rule::after{
  content:"";position:absolute;top:0;left:0;height:100%;width:34px;border-radius:3px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.85), transparent);
  animation:coolant-flow 4.5s ease-in-out infinite;
  mix-blend-mode:screen;
}
@keyframes coolant-flow{
  0%{left:-10%;}
  100%{left:110%;}
}
@media (prefers-reduced-motion: reduce){
  .thermal-rule::after{animation:none;display:none;}
}

/* ---------- SCROLL REVEAL ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 0.7s ease, transform 0.7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- LOGO MARK (used in header + footer) ---------- */
.logo-mark{
  background:transparent;height:56px;width:auto;
}
.logo-mark img{height:100%;width:auto;object-fit:contain;display:block;}
.logo.brand-word{display:none;}

/* ---------- HEADER ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,248,252,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.15rem;letter-spacing:0.01em;
}
nav{display:flex;align-items:center;gap:34px;}
nav ul{display:flex;align-items:center;gap:28px;list-style:none;}
nav ul li a{
  font-size:0.92rem;color:var(--paper-dim);font-weight:500;
  transition:color 0.2s;
}
nav ul li a:hover{color:var(--frost);}
.cta-btn{
  font-family:'Inter',sans-serif;
  font-size:0.86rem;font-weight:600;
  padding:11px 22px;border-radius:24px;
  background:linear-gradient(135deg, var(--sky), var(--frost));
  color:#FFFFFF;
  display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 6px 16px -4px rgba(56,189,248,0.45);
  transition:transform 0.2s, box-shadow 0.2s;
  white-space:nowrap;
}
.cta-btn svg{width:15px;height:15px;flex-shrink:0;}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -6px rgba(56,189,248,0.55);}
.nav-toggle{display:none;background:none;border:none;color:var(--paper);font-size:1.6rem;cursor:pointer;}
@media (max-width:900px){
  nav ul{display:none;}
  .nav-toggle{display:block;}
}
@media (max-width:640px){
  .cta-btn{display:none;}
}

/* ---------- PRODUCTS DROPDOWN (desktop hover panel / mobile collapsible) ---------- */
nav ul li.dropdown{position:relative;}
.dropdown-head{display:flex;align-items:center;gap:6px;}
.dropdown-head > a .dropdown-caret{
  vertical-align:middle;margin-left:5px;position:relative;top:-1px;
}
.dropdown-caret{
  display:inline-block;flex-shrink:0;vertical-align:middle;
  transition:transform 0.2s;
}
nav ul li.dropdown.open .dropdown-head > a .dropdown-caret{transform:rotate(180deg);}
nav ul li.dropdown.open .dropdown-btn .dropdown-caret{transform:rotate(180deg);}

.dropdown-menu{
  position:absolute;top:100%;left:0;min-width:520px;
  background:rgba(207,233,247,0.75);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(56,189,248,0.28);
  border-radius:14px;
  box-shadow:0 24px 48px -18px rgba(15,26,43,0.28);
  padding:18px 22px;margin:0;list-style:none;
  display:grid;grid-template-columns:1fr 1fr;gap:2px 30px;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity 0.2s ease, transform 0.2s ease;
  z-index:60;
}
nav ul li.dropdown.open .dropdown-menu{
  opacity:1;transform:translateY(0);pointer-events:auto;
}
.dropdown-menu li{list-style:none;}
.dropdown-menu li a{
  display:block;padding:11px 6px;
  color:var(--paper) !important;font-size:0.88rem;font-weight:500;
  border-bottom:1px solid rgba(15,26,43,0.1);
  transition:color 0.15s;
}
.dropdown-menu li:last-child a{border-bottom:none;}
.dropdown-menu li a:hover{color:var(--frost) !important;}
.dropdown-btn{
  display:none;
}

/* Desktop only: hover/focus also opens the panel (in addition to .open from a click) */
@media (min-width:901px){
  nav ul li.dropdown:hover .dropdown-head > a .dropdown-caret,
  nav ul li.dropdown:focus-within .dropdown-head > a .dropdown-caret{transform:rotate(180deg);}
  nav ul li.dropdown:hover .dropdown-menu,
  nav ul li.dropdown:focus-within .dropdown-menu{
    opacity:1;transform:translateY(0);pointer-events:auto;
  }
}

@media (max-width:1100px){
  .dropdown-menu{min-width:440px;}
}

@media (max-width:900px){
  nav ul li.dropdown{padding-right:0;}
  .dropdown-head{width:100%;justify-content:space-between;}
  .dropdown-head > a .dropdown-caret{display:none;}
  .dropdown-menu{
    position:static;opacity:1;transform:none;pointer-events:auto;
    display:none;
    grid-template-columns:1fr;
    background:rgba(207,233,247,0.5);box-shadow:none;
    min-width:0;backdrop-filter:none;border:none;
    margin:6px 0 0;padding:4px 0 4px 14px;
    border-left:2px solid var(--line);
  }
  nav ul li.dropdown.open .dropdown-menu{display:block;}
  .dropdown-menu li a{
    color:var(--paper) !important;padding:9px 10px;font-size:0.88rem;
    border-bottom:none;
  }
  .dropdown-menu li a:hover{background:rgba(15,26,43,0.06);color:var(--frost) !important;}
  .dropdown-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:32px;height:32px;border-radius:8px;
    background:none;border:none;color:var(--paper);cursor:pointer;flex-shrink:0;
  }
}


/* ---------- CHAT POPUP (WhatsApp-style widget) ---------- */
.chat-panel{
  position:fixed;right:22px;bottom:92px;z-index:90;
  width:320px;max-width:calc(100vw - 32px);
  background:var(--panel);border-radius:16px;
  box-shadow:0 24px 48px -18px rgba(15,26,43,0.35);
  overflow:hidden;
  opacity:0;transform:translateY(16px) scale(0.97);
  pointer-events:none;
  transition:opacity 0.22s ease, transform 0.22s ease;
}
.chat-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}
.chat-head{
  background:#25D366;color:#fff;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;
}
.chat-head div{display:flex;align-items:center;gap:10px;}
.chat-head .chat-avatar{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,0.22);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.chat-head .chat-avatar svg{width:18px;height:18px;}
.chat-head strong{font-size:0.94rem;display:block;}
.chat-head span{font-size:0.76rem;opacity:0.9;}
.chat-close{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer;line-height:1;padding:2px 4px;}
.chat-body{padding:18px;}
.chat-bubble{
  background:#F0F2F5;border-radius:10px;padding:12px 14px;
  font-size:0.86rem;color:var(--paper);line-height:1.5;margin-bottom:14px;
}
.chat-form{display:flex;flex-direction:column;gap:10px;margin-bottom:14px;}
.chat-form input,.chat-form textarea{
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;
  font-family:inherit;font-size:0.86rem;color:var(--paper);background:var(--ink);
}
.chat-form input:focus,.chat-form textarea:focus{outline:2px solid #25D366;outline-offset:1px;}
.chat-form button{
  background:#25D366;color:#fff;border:none;border-radius:8px;
  padding:10px 14px;font-weight:600;font-size:0.86rem;cursor:pointer;
  transition:transform 0.15s;
}
.chat-form button:hover{transform:translateY(-1px);}
.chat-wa-link{
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:#25D366;color:#fff;border-radius:8px;padding:10px 14px;
  font-weight:600;font-size:0.86rem;margin-bottom:10px;
}
.chat-wa-link svg{width:16px;height:16px;}
.chat-call-note{font-size:0.78rem;color:var(--paper-dim);text-align:center;}
.chat-call-note a{color:var(--frost);font-weight:600;}
@media (max-width:640px){
  .chat-panel{right:16px;bottom:82px;}
}

/* ---------- FLOATING CALL / WHATSAPP ---------- */
.float-actions{
  position:fixed;right:22px;bottom:22px;z-index:80;
  display:flex;flex-direction:column;gap:14px;align-items:flex-end;
}
.float-btn{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;box-shadow:0 10px 24px -6px rgba(15,26,43,0.45);
  position:relative;transition:transform 0.2s;
}
.float-btn:hover{transform:translateY(-3px) scale(1.05);}
.float-btn svg{width:26px;height:26px;}
.float-btn.call{background:var(--sky);}
.float-btn.whatsapp{background:#25D366;}
.float-btn .ring{
  position:absolute;inset:0;border-radius:50%;
  border:2px solid currentColor;opacity:0.6;
  animation:float-pulse 2.2s ease-out infinite;
  pointer-events:none;
}
.float-btn.call .ring{color:var(--sky);}
.float-btn.whatsapp .ring{color:#25D366;}
@keyframes float-pulse{
  0%{transform:scale(1);opacity:0.55;}
  100%{transform:scale(1.55);opacity:0;}
}
.float-tip{
  position:absolute;right:66px;top:50%;transform:translateY(-50%);
  background:var(--paper);color:#F5F8FC;font-size:0.8rem;font-weight:500;
  padding:7px 12px;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity 0.2s, transform 0.2s;
}
.float-btn:hover .float-tip{opacity:1;transform:translateY(-50%) translateX(-4px);}
@media (prefers-reduced-motion: reduce){
  .float-btn .ring{animation:none;display:none;}
}
@media (max-width:640px){
  .float-actions{right:16px;bottom:16px;gap:12px;}
  .float-btn{width:50px;height:50px;}
  .float-btn svg{width:23px;height:23px;}
  .float-tip{display:none;}
}

/* ---------- CINEMATIC SHOWCASE BANNER (image hero, used on index.html mid-sections and as the page hero on contact-us.html and future pages) ---------- */
.showcase-banner{
  position:relative;border-radius:22px;overflow:hidden;
  min-height:480px;display:flex;align-items:flex-end;
  box-shadow:0 30px 60px -30px rgba(15,26,43,0.35);
}
.showcase-banner img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.showcase-banner::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(6,10,18,0.05) 0%, rgba(6,10,18,0.35) 55%, rgba(6,10,18,0.88) 100%);
}
.showcase-banner.hero-banner{min-height:440px;}
.showcase-content{position:relative;z-index:2;padding:48px 52px;max-width:640px;}
.showcase-content .eyebrow{color:#8FE3FF;}
.showcase-content h1,.showcase-content h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:700;line-height:1.1;margin-bottom:14px;}
.showcase-content p{color:#D7E2EE;font-size:1rem;max-width:480px;margin-bottom:26px;}
.badge-row{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;padding:0 52px 40px;}
.float-badge{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.95);backdrop-filter:blur(6px);
  border-radius:12px;padding:12px 18px;
  box-shadow:0 14px 30px -12px rgba(6,10,18,0.4);
}
.float-badge .ic{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  background:var(--grad-thermal);color:#fff;
}
.float-badge b{display:block;font-size:0.95rem;color:var(--paper);font-family:'Space Grotesk',sans-serif;}
.float-badge span{font-size:0.72rem;color:var(--paper-dim);}
@media (max-width:700px){
  .showcase-content{padding:32px 24px;}
  .badge-row{padding:0 24px 28px;}
}

/* ---------- BREADCRUMB (used under the header on every page except the home page) ---------- */
.breadcrumb-bar{
  background:var(--ink-2);border-bottom:1px solid var(--line);
  padding:14px 0;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:0.8rem;color:var(--paper-dim);
}
.breadcrumb a{color:var(--paper-dim);transition:color 0.2s;}
.breadcrumb a:hover{color:var(--frost);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb [aria-current="page"]{color:var(--frost);font-weight:600;}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 30px;background:var(--ink-2);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px;}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr;}}
footer h5{font-size:0.82rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--paper-dim);margin-bottom:16px;}
footer ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
footer ul li a{color:var(--paper-dim);font-size:0.92rem;transition:color 0.2s;}
footer ul li a:hover{color:var(--frost);}
footer p{color:var(--paper-dim);font-size:0.92rem;}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:26px;border-top:1px solid var(--line);
  font-size:0.82rem;color:var(--paper-dim);flex-wrap:wrap;gap:12px;
}

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