/* ============================================================
   TGS GROUP — SHARED BASE STYLESHEET
   Loaded by every page. Contains the design system pieces that
   must look and behave identically everywhere: tokens, reset,
   typography, buttons, ticker, header/nav, mobile menu, footer,
   the corner-bracket motif, and scroll-reveal animation.

   Page-specific styles (hero variants, product cards, family
   sections, etc.) stay in each page's own <style> block.
   ============================================================ */

/* ---------- Fonts ----------
   Self-hosted font files are NOT bundled in this build — see
   README.md "Fonts" section for why and how to add them in two
   minutes. Until then, this file assumes the Google Fonts <link>
   tags are present in <head> (already included on every page).
   To go fully self-hosted:
     1. Download the two families (see README for exact weights).
     2. Drop the .woff2 files into assets/fonts/.
     3. Uncomment the @font-face block below.
     4. Remove the Google Fonts <link> tags from every page's <head>.
------------------------------------------------------------- */
/*
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:500;src:url('../fonts/chakra-petch-500.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:600;src:url('../fonts/chakra-petch-600.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:700;src:url('../fonts/chakra-petch-700.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Chakra Petch';font-style:italic;font-weight:500;src:url('../fonts/chakra-petch-500italic.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Chakra Petch';font-style:italic;font-weight:600;src:url('../fonts/chakra-petch-600italic.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Chakra Petch';font-style:italic;font-weight:700;src:url('../fonts/chakra-petch-700italic.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400;src:url('../fonts/manrope-400.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Manrope';font-style:normal;font-weight:500;src:url('../fonts/manrope-500.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Manrope';font-style:normal;font-weight:600;src:url('../fonts/manrope-600.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Manrope';font-style:normal;font-weight:700;src:url('../fonts/manrope-700.woff2') format('woff2');font-display:swap}
*/

/* ---------- Design tokens ---------- */
:root{
  --red:#E32126;--red-deep:#B5151A;--ink:#101216;--ink-2:#1A1D23;
  --paper:#F6F5F2;--white:#FFFFFF;--line:rgba(16,18,22,.12);
  --sept:#E32126;--surf:#F5A11C;--skin:#1FA34A;--stru:#1E8ED6;
  --dentax:#1E8ED6;--dentax-deep:#146AA8;
  --display:'Chakra Petch',sans-serif;--body:'Manrope',sans-serif;
  --max:1280px;--pad:clamp(20px,4vw,56px);--r:14px;
  --shadow:0 20px 60px -20px rgba(16,18,22,.25);--ease:cubic-bezier(.22,.9,.24,1);
  /* Real height set by site.js once the header partial loads; this is
     just a safe fallback for the brief moment before that happens. */
  --header-h:79px;
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
table{border-collapse:collapse;width:100%}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:3px solid var(--stru);outline-offset:3px;border-radius:4px}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}

/* ---------- Corner-bracket motif ---------- */
.crn{display:inline-block;width:.55em;height:.55em;border-top:.16em solid currentColor;border-right:.16em solid currentColor;transform:translateY(-.05em)}
.eyebrow{font-family:var(--display);font-style:italic;font-weight:600;font-size:13px;letter-spacing:.28em;text-transform:uppercase;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:34px;height:3px;background:currentColor}

/* ---------- Corner-bracket generated field (hero/CTA decorative background) ----------
   Used by buildField() in site.js. MUST stay absolutely positioned — without
   this, the SVG (sized via its own 1200x700 viewBox aspect ratio) renders in
   normal document flow instead of as a background layer, creating a huge
   empty-looking block above the real content. */
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.5}
.hero-grid svg{width:100%;height:100%}

/* ---------- Typography ---------- */
h1,h2,h3,h4,.disp{font-family:var(--display);font-style:italic;font-weight:700;line-height:1.06;letter-spacing:-.01em}
.h-xl{font-size:clamp(42px,7.2vw,104px)}
.h-lg{font-size:clamp(32px,4.6vw,60px)}
.h-md{font-size:clamp(22px,2.6vw,32px)}
.lede{font-size:clamp(16px,1.4vw,19px);color:#3d4149;max-width:62ch}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--display);font-style:italic;font-weight:600;font-size:15px;letter-spacing:.08em;text-transform:uppercase;padding:16px 28px;border-radius:8px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s}
.btn .crn{transition:transform .35s var(--ease)}
.btn:hover .crn{transform:translate(4px,-4px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 14px 34px -12px rgba(227,33,38,.55)}
.btn-red:hover{transform:translateY(-2px);background:var(--red-deep)}
.btn-dx{background:var(--dentax);color:#fff;box-shadow:0 14px 34px -12px rgba(30,142,214,.5)}
.btn-dx:hover{transform:translateY(-2px);background:var(--dentax-deep)}
.btn-ghost{border:2px solid currentColor;background:transparent}
.btn-ghost:hover{transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--red)}
.btn-white:hover{transform:translateY(-2px)}

/* ---------- Ticker ---------- */
.ticker{background:var(--ink);color:#fff;font-family:var(--display);font-style:italic;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;overflow:hidden;white-space:nowrap;padding:9px 0;position:relative;z-index:60}
.ticker-track{display:inline-flex;gap:64px;animation:tick 34s linear infinite;padding-left:100%}
.ticker span{display:inline-flex;align-items:center;gap:10px}
.ticker i{width:7px;height:7px;background:var(--red);display:inline-block;transform:rotate(45deg)}
@keyframes tick{to{transform:translateX(-100%)}}

/* ---------- Header / Nav ---------- */
/* Note: no backdrop-filter here on purpose — combining it with
   position:sticky is a documented Firefox bug (Mozilla Bugzilla
   #1803813) that can break the header's sticky behavior entirely.
   A slightly more opaque solid background gives a similar look
   without needing the blur. */
header{position:sticky;top:0;z-index:50;background:rgba(246,245,242,.94);border-bottom:1px solid var(--line);transition:box-shadow .3s}
header.scrolled{box-shadow:0 8px 30px -14px rgba(16,18,22,.2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo{display:flex;align-items:center;gap:14px}
.logo img{height:46px;width:auto}
.logo-word{font-family:var(--display);font-style:italic;font-weight:700;font-size:20px;line-height:1;letter-spacing:.02em}
.logo-word small{display:block;font-size:9.5px;font-weight:500;letter-spacing:.34em;text-transform:uppercase;color:#7a7e86;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links>li{position:relative}
.nav-links a,.nav-links .navbtn{font-family:var(--display);font-style:italic;font-weight:600;font-size:14px;letter-spacing:.1em;text-transform:uppercase;padding:10px 14px;display:inline-flex;align-items:center;gap:8px;border-radius:8px;transition:background .25s,color .25s}
.nav-links a:hover,.nav-links .navbtn:hover,.nav-links a.active{background:rgba(227,33,38,.08);color:var(--red)}
.caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s}
.has-drop:hover .caret,.has-drop:focus-within .caret{transform:rotate(225deg) translateY(-1px)}
.drop{position:absolute;top:calc(100% + 10px);left:0;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s var(--ease)}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:10px;letter-spacing:.06em}
.drop a:hover{background:var(--paper)}
.b-dot{width:34px;height:34px;flex:none;border-radius:9px;display:grid;place-items:center;font-family:var(--display);font-style:italic;font-weight:700;font-size:13px;color:#fff}
.drop small{display:block;font-family:var(--body);font-style:normal;font-weight:500;font-size:11.5px;letter-spacing:0;text-transform:none;color:#7a7e86;margin-top:1px}
.nav-cta{white-space:nowrap}
.burger{display:none;flex-direction:column;gap:5px;padding:10px}
.burger span{width:26px;height:3px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Mobile menu ---------- */
.m-menu{display:none}
.m-menu a{display:block;font-family:var(--display);font-style:italic;font-weight:700;font-size:clamp(26px,7vw,38px);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.m-menu .m-sub a{font-size:18px;font-weight:600;color:rgba(255,255,255,.8);border:none;padding:8px 0 8px 18px}
.m-menu .m-label{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--red);font-family:var(--display);font-style:italic;font-weight:600;margin:26px 0 4px}
@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .burger{display:flex}
  .m-menu{display:block;position:fixed;inset:0;background:var(--ink);color:#fff;z-index:49;padding:120px var(--pad) 40px;transform:translateX(100%);transition:transform .5s var(--ease);overflow-y:auto}
  .m-menu.open{transform:none}
  header.menu-open{background:var(--ink);border-color:transparent}
  header.menu-open .logo-word,header.menu-open .logo-word small{color:#fff}
  header.menu-open .burger span{background:#fff}
}

/* ---------- Breadcrumb (brand pages) ---------- */
.crumb{padding:22px 0 0;font-family:var(--display);font-style:italic;font-weight:600;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.72);display:flex;gap:10px;align-items:center;flex-wrap:wrap;position:relative;z-index:2}
.crumb a:hover{color:#fff}
.crumb .sep{color:#fff;opacity:.55}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#fff;margin-top:clamp(70px,9vw,120px);padding:clamp(56px,7vw,90px) 0 34px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(28px,4vw,60px);padding-bottom:clamp(40px,5vw,64px);border-bottom:1px solid rgba(255,255,255,.14)}
.f-brand p{color:rgba(255,255,255,.62);font-size:14px;margin-top:18px;max-width:34ch}
.f-col h4{font-family:var(--display);font-style:italic;font-weight:700;font-size:15px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.f-col h4 .crn{width:.55em;height:.55em;color:var(--red)}
.f-col li{margin-bottom:11px}
.f-col a{color:rgba(255,255,255,.66);font-size:14px;transition:color .25s,padding-left .25s}
.f-col a:hover{color:#fff;padding-left:6px}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:26px;font-size:13px;color:rgba(255,255,255,.5)}
.f-tag{font-family:var(--display);font-style:italic;letter-spacing:.14em;text-transform:uppercase}

/* Footer responsive — identical on every page since footer markup is now shared */
@media(max-width:1000px){
  .f-grid{grid-template-columns:1fr 1fr 1fr;row-gap:40px}
  .f-brand{grid-column:1/-1}
  .f-brand p{max-width:60ch}
}
@media(max-width:560px){
  .f-grid{grid-template-columns:1fr;row-gap:36px}
  .f-brand{grid-column:auto}
  .f-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ---------- Scroll reveal ---------- */
.rv{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}
