/* =========================================================
   RASHMI RUBBER WORKS — Design tokens
   Precision-manufacturing identity: dark industrial base,
   technical-drawing accents, copper/amber signal color.
   ========================================================= */

/* Fonts are loaded via <link> in the HTML (an @import here would load them twice and block rendering) */

:root{
  color-scheme: light;
  --bg:            #f7f5f1;
  --bg-raised:     #eeeae3;
  --bg-card:       #ffffff;
  --line:          rgba(28,29,31,0.10);
  --line-strong:   rgba(28,29,31,0.20);
  --ink:           #202124;
  --ink-dim:       #55565a;
  --ink-faint:     #696a6e;
  --copper:        #a94f17;
  --copper-bright: #873b0d;
  --steel:         #5f8fa3;
  --ok:            #7fae7a;

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

  --ease: cubic-bezier(.19,1,.22,1);
  --container: 1240px;
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button, input, textarea{ font-family:inherit; }

::selection{ background:var(--copper); color:#0c0c0d; }

/* faint grain / noise texture over whole page for material feel */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:2000;
  opacity:0.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2rem,4.2vw,3.1rem);
  letter-spacing:0.01em;
  text-transform:uppercase;
  color:var(--ink);
  margin-bottom:0.6rem;
}
.section-title span{ color:var(--copper); }

.eyebrow{
  display:inline-flex; align-items:center; gap:0.6rem;
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--copper);
  margin-bottom:1rem;
}
.eyebrow::before{
  content:""; width:22px; height:1px; background:var(--copper);
}

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-stagger > * { transition-delay:calc(var(--i,0) * 90ms); }

/* corner-bracket frame — technical-drawing crop marks, the signature motif */
.bracket-frame{ position:relative; }
.bracket-frame::before, .bracket-frame::after,
.bracket-frame .bf-tr, .bracket-frame .bf-bl{
  content:""; position:absolute; width:18px; height:18px;
  border-color:var(--copper); border-style:solid; opacity:0.85;
}
.bracket-frame::before{ top:-1px; left:-1px; border-width:2px 0 0 2px; }
.bracket-frame::after{ bottom:-1px; right:-1px; border-width:0 2px 2px 0; }

/* ============ NAV ============ */
nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem clamp(1.2rem,4vw,3.5rem);
  background:rgba(12,12,13,0.35);
  backdrop-filter:blur(0px);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
}
nav.scrolled{
  background:rgba(12,12,13,0.75);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  padding:0.75rem clamp(1.2rem,4vw,3.5rem);
}
.logo-container{ display:flex; align-items:center; gap:0.7rem; }
.logo-container img{ height:34px; width:auto; filter:brightness(0) invert(1); }
.company-name{
  font-family:var(--font-display); font-weight:600;
  font-size:1.02rem; letter-spacing:0.04em; text-transform:uppercase;
}
.nav-links{ display:flex; align-items:center; gap:2.2rem; }
.nav-links li a{
  font-size:0.88rem; font-weight:500; color:var(--ink-dim);
  position:relative; padding-bottom:4px;
  transition:color .3s var(--ease);
}
.nav-links li a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--copper); transition:width .35s var(--ease);
}
.nav-links li a:hover{ color:var(--ink); }
.nav-links li a:hover::after{ width:100%; }
.nav-links .contact-btn{
  border:1px solid var(--line-strong);
  padding:0.55rem 1.3rem; border-radius:2px;
  color:var(--ink) !important;
}
.nav-links .contact-btn::after{ display:none; }
.nav-links .contact-btn:hover{
  border-color:var(--copper); background:rgba(217,122,63,0.1);
}
.nav-toggle{ display:none; }

/* ============ HERO ============ */
header#home{
  position:relative;
  min-height:100vh;
  display:flex; align-items:center;
  overflow:hidden;
}
header#home .background-img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter:grayscale(45%) brightness(0.4);
  transform:scale(1.08);
  animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{ from{ transform:scale(1.08); } to{ transform:scale(1); } }
header#home::before{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(12,12,13,0.55) 0%, rgba(12,12,13,0.75) 60%, var(--bg) 100%),
    radial-gradient(ellipse at 20% 30%, rgba(217,122,63,0.14), transparent 55%);
  z-index:1;
}
.hero-content{
  position:relative; z-index:2;
  max-width:var(--container); margin:0 auto;
  padding:0 clamp(1.2rem,4vw,3.5rem);
  padding-top:5rem;
}
.hero-content h1{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(2.6rem,7vw,5.6rem);
  line-height:1.02; letter-spacing:-0.01em;
  text-transform:uppercase;
  max-width:14ch;
  color:#f5f4f0;
  animation:fadeUp .9s var(--ease) .1s both;
}
.hero-content p{
  margin-top:1.4rem; max-width:46ch;
  font-size:1.08rem; color:var(--ink-dim);
  animation:fadeUp .9s var(--ease) .25s both;
}
@keyframes fadeUp{ from{ opacity:0; transform:translateY(22px);} to{ opacity:1; transform:translateY(0);} }

.hero-buttons{ display:flex; gap:1rem; margin-top:2.4rem; flex-wrap:wrap; animation:fadeUp .9s var(--ease) .4s both; }
.cta-button{
  position:relative; overflow:hidden;
  display:inline-flex; align-items:center; gap:0.5rem;
  padding:0.95rem 1.9rem;
  font-size:0.86rem; font-weight:600; letter-spacing:0.03em; text-transform:uppercase;
  border-radius:2px;
  background:var(--copper); color:#0c0c0d;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}
.cta-button:hover{ transform:translateY(-3px); box-shadow:0 14px 30px -10px rgba(217,122,63,0.55); background:var(--copper-bright); }
.cta-button.outline-btn{
  background:transparent; color:var(--ink); border:1px solid var(--line-strong);
}
.cta-button.outline-btn:hover{ border-color:var(--copper); background:rgba(217,122,63,0.08); box-shadow:none; }

.hero-specs{
  position:relative; z-index:2;
  display:flex; gap:clamp(1.4rem,3vw,3rem); flex-wrap:wrap;
  margin-top:4rem; padding-top:1.8rem; border-top:1px solid var(--line);
  max-width:var(--container); margin-left:auto; margin-right:auto;
  padding-left:clamp(1.2rem,4vw,3.5rem); padding-right:clamp(1.2rem,4vw,3.5rem);
  font-family:var(--font-mono); font-size:0.76rem; color:var(--ink-faint);
  animation:fadeUp .9s var(--ease) .55s both;
}
.hero-specs span b{ color:var(--copper); font-weight:500; }

.scroll-cue{
  position:absolute; bottom:2.2rem; left:50%; transform:translateX(-50%); z-index:2;
  width:1px; height:46px; background:linear-gradient(var(--copper), transparent);
}
.scroll-cue::after{
  content:""; position:absolute; top:0; left:-2px; width:5px; height:5px; border-radius:50%;
  background:var(--copper-bright);
  animation:scrollDot 2.2s ease-in-out infinite;
}
@keyframes scrollDot{ 0%{ top:0; opacity:1;} 90%{ opacity:0.3;} 100%{ top:100%; opacity:0;} }

/* ============ ABOUT ============ */
#about{
  padding:8rem clamp(1.2rem,4vw,3.5rem);
  max-width:var(--container); margin:0 auto;
}
.about-grid{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:5rem; align-items:center;
}
.about-text h3{
  font-family:var(--font-display); font-weight:600; font-size:1.5rem;
  text-transform:uppercase; margin-bottom:1.1rem; color:var(--ink);
}
.about-text p{ color:var(--ink-dim); font-size:1rem; }
.stats{ display:flex; gap:3rem; margin-top:2.6rem; }
.stat-item h4{
  font-family:var(--font-display); font-weight:700; font-size:2.6rem; color:var(--copper);
  font-variant-numeric:tabular-nums;
}
.stat-item p{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--ink-faint); margin-top:0.3rem;
}
.about-image{ position:relative; padding:14px; }
.about-image img{ width:100%; aspect-ratio:4/5; object-fit:cover; filter:grayscale(20%); border-radius:2px; }
.about-image .spec-tag{
  position:absolute; bottom:32px; left:32px;
  background:rgba(12,12,13,0.8); backdrop-filter:blur(6px);
  border:1px solid var(--line-strong);
  padding:0.5rem 0.9rem; font-family:var(--font-mono); font-size:0.7rem; color:var(--copper);
}

/* ============ CATALOGUE ============ */
.catalogue-bg{
  background:var(--bg-raised);
  padding:7rem clamp(1.2rem,4vw,3.5rem);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.catalogue-bg > *:not(.product-grid){ max-width:var(--container); margin-left:auto; margin-right:auto; }
.section-summary{ color:var(--ink-dim); max-width:56ch; margin-bottom:2.6rem; font-size:1.02rem; }

.search-container{ margin-bottom:1.6rem; }
#searchInput{
  width:100%; max-width:420px;
  background:var(--bg-card); border:1px solid var(--line-strong);
  color:var(--ink); padding:0.85rem 1.1rem; border-radius:2px;
  font-size:0.92rem; transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
#searchInput::placeholder{ color:var(--ink-faint); }
#searchInput:focus{ outline:none; border-color:var(--copper); box-shadow:0 0 0 3px rgba(217,122,63,0.15); }

.category-filter{ display:flex; gap:0.7rem; flex-wrap:wrap; margin-bottom:3rem; }
.filter-btn{
  background:transparent; border:1px solid var(--line-strong); color:var(--ink-dim);
  padding:0.55rem 1.15rem; border-radius:20px; font-size:0.82rem; cursor:pointer;
  transition:all .3s var(--ease);
}
.filter-btn:hover{ border-color:var(--copper); color:var(--ink); }
.filter-btn.active{ background:var(--copper); border-color:var(--copper); color:#0c0c0d; font-weight:600; }

.product-grid{
  max-width:var(--container); margin:0 auto;
  display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:1.4rem;
}
.product-card{
  position:relative;
  background:var(--bg-card); border:1px solid var(--line);
  border-radius:3px; padding:1.7rem;
  transition:transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
  opacity:0; transform:translateY(18px);
  animation:cardIn .6s var(--ease) forwards;
}
@keyframes cardIn{ to{ opacity:1; transform:translateY(0);} }
.product-card:hover{
  transform:translateY(-6px);
  border-color:var(--line-strong);
  box-shadow:0 20px 40px -22px rgba(0,0,0,0.6);
}
.product-icon{
  width:52px; height:52px; margin-bottom:1.2rem;
  color:var(--copper);
}
.product-icon svg{ width:100%; height:100%; }
.product-card h4{
  font-family:var(--font-display); font-weight:600; font-size:1.08rem;
  text-transform:uppercase; margin-bottom:0.5rem;
}
.product-card p{ color:var(--ink-dim); font-size:0.88rem; margin-bottom:1.1rem; }
.product-meta{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:1rem; border-top:1px solid var(--line);
  font-family:var(--font-mono); font-size:0.68rem; color:var(--ink-faint); letter-spacing:0.04em;
}
.product-meta .tag{ color:var(--steel); text-transform:uppercase; }
.no-results{ text-align:center; color:var(--ink-faint); padding:3rem 0; font-family:var(--font-mono); font-size:0.85rem; grid-column:1/-1; }

/* ============ INDUSTRIES ============ */
.industries-section{
  padding:8rem clamp(1.2rem,4vw,3.5rem);
  max-width:var(--container); margin:0 auto;
}
.industry-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:1px;
  background:var(--line); border:1px solid var(--line); margin-top:3rem;
}
.ind-card{
  background:var(--bg); padding:2.1rem 1.8rem;
  transition:background .35s var(--ease);
}
.ind-card:hover{ background:var(--bg-card); }
.ind-card h3{
  font-family:var(--font-display); font-weight:600; font-size:1.02rem;
  text-transform:uppercase; margin-bottom:1rem; color:var(--ink);
  padding-bottom:0.8rem; border-bottom:1px solid var(--line);
  position:relative;
}
.ind-card ul li{
  font-size:0.83rem; color:var(--ink-dim); padding:0.28rem 0;
  position:relative; padding-left:1rem;
}
.ind-card ul li::before{
  content:""; position:absolute; left:0; top:0.72rem; width:5px; height:1px; background:var(--copper);
}

/* ============ CONTACT ============ */
#contact{ padding:8rem clamp(1.2rem,4vw,3.5rem); max-width:var(--container); margin:0 auto; }
.contact-container{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:3rem; margin-top:2.5rem; }
.contact-info-box{
  background:var(--bg-card); border:1px solid var(--line); padding:2.4rem; border-radius:3px;
}
.contact-info-box h3{ font-family:var(--font-display); font-weight:600; text-transform:uppercase; font-size:1.2rem; margin-bottom:0.7rem; }
.contact-info-box p{ color:var(--ink-dim); font-size:0.94rem; }
.map-container iframe{ filter:grayscale(70%) invert(92%) contrast(90%); border:1px solid var(--line) !important; }
.info-item{ font-size:0.92rem; color:var(--ink-dim); padding:0.55rem 0; border-bottom:1px solid var(--line); }
.info-item strong{ color:var(--ink); }
.social-links-container{ margin-top:1.3rem; }
.social-links{ display:flex; gap:0.8rem; }
.social-icon{
  width:36px; height:36px; border:1px solid var(--line-strong); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.social-icon:hover{ border-color:var(--copper); transform:translateY(-3px); }
.social-icon img{ width:16px; height:16px; filter:brightness(0) invert(1); }

.contact-form{ display:flex; flex-direction:column; gap:1.1rem; }
.contact-form input, .contact-form textarea{
  background:var(--bg-card); border:1px solid var(--line-strong); color:var(--ink);
  padding:0.9rem 1.1rem; border-radius:2px; font-size:0.92rem; resize:none;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-form input::placeholder, .contact-form textarea::placeholder{ color:var(--ink-faint); }
.contact-form input:focus, .contact-form textarea:focus{
  outline:none; border-color:var(--copper); box-shadow:0 0 0 3px rgba(217,122,63,0.15);
}
.submit-btn{
  align-self:flex-start;
  background:var(--copper); color:#0c0c0d; border:none;
  padding:0.9rem 2rem; border-radius:2px; font-weight:600; letter-spacing:0.03em;
  text-transform:uppercase; font-size:0.85rem; cursor:pointer;
  transition:transform .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.submit-btn:hover{ transform:translateY(-3px); background:var(--copper-bright); box-shadow:0 14px 30px -10px rgba(217,122,63,0.5); }
#formMessage{ font-family:var(--font-mono); font-size:0.8rem; }
#formMessage.success{ color:var(--ok); }
#formMessage.error{ color:#c96a5a; }

/* ============ FOOTER ============ */
footer{
  padding:2.2rem clamp(1.2rem,4vw,3.5rem);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
  border-top:1px solid var(--line);
  font-size:0.82rem; color:var(--ink-faint);
}
.footer-links a{ color:var(--ink-dim); transition:color .3s var(--ease); }
.footer-links a:hover{ color:var(--copper); }

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .about-grid, .contact-container{ grid-template-columns:1fr; gap:2.5rem; }
  .about-image{ order:-1; }
}
@media (max-width:760px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px);
    background:rgba(12,12,13,0.97); backdrop-filter:blur(14px);
    flex-direction:column; justify-content:center; align-items:flex-start;
    padding:2rem; gap:1.6rem;
    transform:translateX(100%); transition:transform .45s var(--ease);
    border-left:1px solid var(--line);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; z-index:1001;
  }
  .nav-toggle span{ width:22px; height:2px; background:var(--ink); transition:transform .3s var(--ease), opacity .3s var(--ease); }
  .stats{ gap:1.8rem; }
  .hero-specs{ flex-direction:column; gap:0.6rem; }
}

/* =========================================================
   THEME SYSTEM — warm light default; charcoal industrial dark mode
   ========================================================= */
body[data-theme="dark"]{
  color-scheme: dark;
  --bg:#0c0c0d; --bg-raised:#161618; --bg-card:#1b1b1e;
  --line:rgba(245,244,240,.09); --line-strong:rgba(245,244,240,.16);
  --ink:#f5f4f0; --ink-dim:#b9b8b3; --ink-faint:#92918b;
  --copper:#e18a50; --copper-bright:#f3a16d;
}
body[data-theme="dark"] .logo-container img{filter:brightness(0) invert(1)}
body[data-theme="dark"] header#home .background-img{filter:grayscale(45%) brightness(.4)}
body[data-theme="light"] .logo-container img{filter:none}
body[data-theme="light"] header#home .background-img{filter:grayscale(35%) brightness(.55)}
body[data-theme="light"] .map-container iframe{filter:grayscale(30%) contrast(100%)}
body[data-theme="dark"] .map-container iframe{filter:grayscale(30%) contrast(100%)}
body[data-theme="light"] nav{background:rgba(247,245,241,.78)}
body[data-theme="light"] nav.scrolled{background:rgba(247,245,241,.94)}
body[data-theme="dark"] nav{background:rgba(12,12,13,.35)}
body[data-theme="dark"] nav.scrolled{background:rgba(12,12,13,.82)}
body[data-theme="light"] .hero-content h1{color:#fff}
body[data-theme="light"] .hero-content > p:not(.eyebrow){color:#f4f1ec}
body[data-theme="light"] .hero-specs{color:#f0ede8;border-color:rgba(255,255,255,.3)}
body[data-theme="light"] .hero-specs span b{color:#ffd0a9}
body[data-theme="light"] .cta-button{color:#fff}
body[data-theme="light"] .cta-button.outline-btn{color:#fff;border-color:rgba(255,255,255,.65)}
body[data-theme="light"] .filter-btn.active{color:#fff}
body[data-theme="dark"] .cta-button,body[data-theme="dark"] .filter-btn.active{color:#17110d}
body[data-theme="light"] .skip-link,body[data-theme="light"] ::selection{color:#fff}
body,nav,.catalogue-bg,.product-card,.ind-card,.cert-card,.testimonial-card,.contact-info-box,.contact-form,.modal-box,.legal{
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.theme-toggle{
 display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:40px;height:40px;border-radius:999px;
 border:1px solid var(--line-strong);background:var(--bg-card);cursor:pointer;color:var(--ink);
 transition:border-color .3s var(--ease),transform .3s var(--ease),background-color .25s ease;margin-left:.5rem;
}
.theme-toggle:hover{border-color:var(--copper);transform:translateY(-1px)}
.theme-toggle:focus-visible{outline:2px solid var(--copper);outline-offset:3px}
.theme-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .icon-moon{display:none}
body[data-theme="dark"] .theme-toggle .icon-sun{display:none}
body[data-theme="dark"] .theme-toggle .icon-moon{display:block}
nav{gap:1rem}
nav .nav-toggle{margin-left:.25rem}
@media(max-width:900px){nav{flex-wrap:wrap}.theme-toggle{margin-left:auto}}
/* =========================================================
   TOLERANCE-LINE SECTION DIVIDER (signature motif, animated)
   ========================================================= */
.tolerance-divider{
  position:relative; height:64px;
  display:flex; align-items:center; justify-content:center;
  max-width:var(--container); margin:0 auto;
  padding:0 clamp(1.2rem,4vw,3.5rem);
}
.tolerance-divider svg{ width:100%; height:100%; overflow:visible; }
.tolerance-divider .t-line{
  stroke:var(--line-strong); stroke-width:1; fill:none;
}
.tolerance-divider .t-tick{ stroke:var(--line-strong); stroke-width:1; }
.tolerance-divider .t-progress{
  stroke:var(--copper); stroke-width:1.4; fill:none;
  stroke-dasharray:1 1; stroke-dashoffset:1;
  transition:stroke-dashoffset 1.4s var(--ease);
}
.tolerance-divider.is-visible .t-progress{ stroke-dashoffset:0; }
.tolerance-divider text{
  font-family:var(--font-mono); font-size:10px; fill:var(--ink-faint); letter-spacing:0.05em;
}

/* =========================================================
   CLIENT / INDUSTRY LOGO STRIP
   ========================================================= */
.logo-strip{
  padding:3.4rem clamp(1.2rem,4vw,3.5rem);
  max-width:var(--container); margin:0 auto;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.logo-strip p{
  font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--ink-faint); text-align:center; margin-bottom:2rem;
}
.logo-strip-track{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:2rem 1rem;
}
.logo-strip-track span{
  font-family:var(--font-display); font-weight:600; font-size:1.15rem; letter-spacing:0.03em;
  text-transform:uppercase; color:var(--ink-faint); opacity:0.75;
  transition:opacity .3s var(--ease), color .3s var(--ease);
}
.logo-strip-track span:hover{ opacity:1; color:var(--ink); }

/* =========================================================
   CERTIFICATIONS
   ========================================================= */
.cert-section{ padding:6rem clamp(1.2rem,4vw,3.5rem); max-width:var(--container); margin:0 auto; }
.cert-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1.2rem; margin-top:2.6rem; }
.cert-card{
  border:1px solid var(--line); padding:1.8rem; text-align:center; border-radius:3px;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.cert-card:hover{ border-color:var(--copper); transform:translateY(-4px); }
.cert-card .cert-icon{ width:34px; height:34px; margin:0 auto 1rem; color:var(--copper); }
.cert-card .cert-icon svg{ width:100%; height:100%; }
.cert-card h4{ font-family:var(--font-display); font-size:0.92rem; letter-spacing:0.04em; text-transform:uppercase; margin-bottom:0.3rem; }
.cert-card p{ font-family:var(--font-mono); font-size:0.7rem; color:var(--ink-faint); }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonial-section{
  background:var(--bg-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:7rem clamp(1.2rem,4vw,3.5rem);
}
.testimonial-section > *{ max-width:var(--container); margin-left:auto; margin-right:auto; }
.testimonial-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:1.4rem; margin-top:2.6rem; }
.testimonial-card{
  background:var(--bg-card); border:1px solid var(--line); border-radius:3px; padding:2rem;
  display:flex; flex-direction:column; gap:1.2rem;
}
.testimonial-card .quote-mark{ font-family:var(--font-display); font-size:2.4rem; color:var(--copper); line-height:1; }
.testimonial-card p.quote{ color:var(--ink-dim); font-size:0.95rem; flex:1; }
.testimonial-author{ display:flex; flex-direction:column; gap:0.15rem; padding-top:1rem; border-top:1px solid var(--line); }
.testimonial-author b{ font-family:var(--font-display); font-size:0.9rem; text-transform:uppercase; letter-spacing:0.02em; }
.testimonial-author span{ font-family:var(--font-mono); font-size:0.72rem; color:var(--ink-faint); }

/* =========================================================
   PRODUCT MODAL / QUOTE REQUEST
   ========================================================= */
.quote-btn{
  margin-top:0.9rem; width:100%;
  background:transparent; border:1px solid var(--line-strong); color:var(--ink);
  padding:0.6rem 0; border-radius:2px; font-size:0.76rem; letter-spacing:0.04em; text-transform:uppercase;
  cursor:pointer; transition:all .3s var(--ease);
}
.quote-btn:hover{ border-color:var(--copper); background:rgba(217,122,63,0.1); color:var(--copper-bright); }

.modal-overlay{
  position:fixed; inset:0; z-index:2000;
  background:rgba(8,8,9,0.72); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; padding:1.5rem;
  opacity:0; pointer-events:none; transition:opacity .35s var(--ease);
}
.modal-overlay.open{ opacity:1; pointer-events:auto; }
.modal-box{
  background:var(--bg-card); border:1px solid var(--line-strong); border-radius:3px;
  max-width:460px; width:100%; padding:2.2rem;
  transform:translateY(18px) scale(0.98); transition:transform .4s var(--ease);
  position:relative;
}
.modal-overlay.open .modal-box{ transform:translateY(0) scale(1); }
.modal-close{
  position:absolute; top:1.1rem; right:1.1rem; background:none; border:none; color:var(--ink-faint);
  font-size:1.3rem; cursor:pointer; line-height:1; transition:color .3s var(--ease);
}
.modal-close:hover{ color:var(--copper); }
.modal-box .modal-icon{ width:40px; height:40px; color:var(--copper); margin-bottom:1rem; }
.modal-box .modal-icon svg{ width:100%; height:100%; }
.modal-box h3{ font-family:var(--font-display); font-weight:600; text-transform:uppercase; font-size:1.15rem; margin-bottom:0.4rem; }
.modal-box .modal-ref{ font-family:var(--font-mono); font-size:0.72rem; color:var(--ink-faint); margin-bottom:1.4rem; }
.modal-box form{ display:flex; flex-direction:column; gap:0.9rem; }
.modal-box input, .modal-box textarea{
  background:var(--bg); border:1px solid var(--line-strong); color:var(--ink);
  padding:0.8rem 1rem; border-radius:2px; font-size:0.9rem; resize:none;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.modal-box input:focus, .modal-box textarea:focus{ outline:none; border-color:var(--copper); box-shadow:0 0 0 3px rgba(217,122,63,0.15); }

/* Magnetic buttons (JS-driven, transition kept snappy) */
.magnetic{ transition:transform .25s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease); }

/* Cursor parallax layers in hero */
header#home .background-img, .hero-content, .hero-specs{
  will-change:transform;
}

/* =========================================================
   DEPLOYMENT ADDITIONS (accessibility, CSP-safe utilities)
   ========================================================= */
.skip-link{ position:absolute; left:-9999px; top:0; z-index:1000; background:var(--copper); color:#0c0c0d; padding:.75rem 1.25rem; font-weight:600; }
.skip-link:focus{ left:1rem; top:1rem; }
:focus-visible{ outline:2px solid var(--copper-bright); outline-offset:3px; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.map-container iframe{ display:block; border:0; border-radius:2px; margin-bottom:1rem; }
.social-heading{ margin-bottom:10px; font-weight:bold; color:var(--ink-dim); font-size:.8rem; letter-spacing:.06em; text-transform:uppercase; }
.info-item a{ color:inherit; text-decoration:none; }
.info-item a:hover{ color:var(--copper-bright); }
.form-note{ font-size:.75rem; color:var(--ink-faint); line-height:1.5; margin:.25rem 0 .75rem; }
.form-note a{ color:var(--copper-bright); }
.footer-links a + a{ margin-left:1.25rem; }
.legal{ max-width:760px; margin:0 auto; padding:7rem 1.5rem 4rem; color:var(--ink-dim); line-height:1.7; }
.legal h1{ font-family:var(--font-display); color:var(--ink); font-size:2.2rem; margin-bottom:.5rem; }
.legal h2{ font-family:var(--font-display); color:var(--ink); font-size:1.3rem; margin:2rem 0 .5rem; }
.legal p, .legal ul{ margin-bottom:1rem; }
.legal ul{ padding-left:1.25rem; }
.legal a{ color:var(--copper-bright); }

/* Theme-aware form controls and keyboard states */
input,textarea,select{color:var(--ink)}
input::placeholder,textarea::placeholder{color:var(--ink-faint);opacity:1}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline-color:var(--copper)}
.legal-nav{position:absolute;top:1rem;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1rem clamp(1.2rem,4vw,3.5rem);color:var(--ink)}
.legal-nav>a{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.04em}

/* Keep the Download Brochure button readable in both themes */
.hero-buttons .outline-btn {
    color: var(--text-color, #ffffff);
    border: 1px solid currentColor;
    background: transparent;
    transition: color 220ms ease, background-color 220ms ease,
                border-color 220ms ease, transform 220ms ease;
}

.hero-buttons .outline-btn:hover {
    color: #ffffff;
    background: #c66f38;
    border-color: #c66f38;
}

/* Explicit dark-mode contrast */
[data-theme="dark"] .hero-buttons .outline-btn {
    color: #ffffff;
    border-color: #ffffff;
}

[data-theme="dark"] .hero-buttons .outline-btn:hover {
    color: #ffffff;
    background: #c66f38;
    border-color: #c66f38;
}