/* =============================================
   School Lab Instruments — STEEL Theme
   White base · Dark Slate + Deep Matte Grey
   + Silver Fox surfaces + Yellow accent
   Industrial / precision-engineering feel
   ============================================= */

:root{
  /* Bases */
  --paper: #ffffff;
  --paper-2: #f7f7f9;          /* faintest cool off-white */
  --paper-3: #eef0f3;
  --white: #ffffff;

  /* USER-SPECIFIED PALETTE */
  --slate: #1d1e22;            /* Dark Slate — primary dark, deepest */
  --slate-2: #15161a;          /* deeper for ultra-contrast */
  --matte: #393f4d;            /* Deep Matte Grey — secondary dark */
  --matte-2: #2c313e;
  --silver: #d4d4dc;           /* Silver Fox — soft surfaces, hairlines, mutes */
  --silver-2: #b9b9c4;         /* deeper silver for borders */
  --silver-soft: #ececf1;      /* derived lighter silver tint */

  --yellow: #feda6a;           /* Are ya yellow?! — single accent */
  --yellow-2: #f5cb47;          /* deeper for hover/badges on light bg */
  --yellow-soft: #fff7d9;      /* derived butter tint */

  /* Inks (text colors) */
  --ink: var(--slate);         /* primary text */
  --ink-2: var(--matte);       /* secondary text */
  --muted: #6c7080;            /* tertiary text — sits between matte and silver */
  --line: var(--silver);       /* default border */
  --line-2: var(--silver-2);

  /* Aliases — yellow is THE accent, slate is the secondary brand color */
  --accent: var(--yellow);
  --accent-soft: var(--yellow-soft);
  --accent-2: var(--slate);

  --rose: #d63d4f;             /* errors only */

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(29,30,34,.05), 0 2px 8px rgba(29,30,34,.04);
  --shadow: 0 4px 12px -2px rgba(29,30,34,.08), 0 16px 32px -16px rgba(29,30,34,.20);
  --shadow-lg: 0 12px 30px -10px rgba(29,30,34,.12), 0 30px 50px -20px rgba(29,30,34,.25);
  --shadow-yellow: 0 4px 14px -4px rgba(254,218,106,.6), 0 8px 24px -8px rgba(245,203,71,.4);

  --radius: 6px;
  --radius-sm: 4px;
  --radius-lg: 10px;
}

*{ -webkit-font-smoothing: antialiased; }
html{ scroll-behavior: smooth; }
body{
  font-family: 'Inter Tight', system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  font-feature-settings: "cv11", "ss01";
}

/* Reveal animation */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  animation: reveal .7s cubic-bezier(.2,.7,.2,1) forwards;
}
.reveal-d1{ animation-delay: .08s; }
.reveal-d2{ animation-delay: .16s; }
.reveal-d3{ animation-delay: .24s; }
@keyframes reveal{
  to{ opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; animation: none; }
}

/* Typography */
h1,h2,h3,h4,.serif{
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1{ font-weight: 700; }

.eyebrow{
  font-family: 'Inter Tight', sans-serif;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .72rem;
  font-weight: 700;
  color: var(--slate);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow::before{
  content: "";
  width: 24px;
  height: 3px;
  background: var(--yellow);
  display: inline-block;
}

a{ color: var(--ink); text-decoration: none; transition: color .2s ease; }
a:hover{ color: var(--matte); border-bottom-color: var(--yellow); }

/* ===== TOP UTILITY BAR ===== */
.topbar{
  background: var(--slate);
  color: #c5c8d0;
  font-size: .82rem;
  padding: .55rem 0;
  position: relative;
}
.topbar::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--yellow);
}
.topbar a{ color: #c5c8d0; }
.topbar a:hover{ color: var(--yellow); }
.topbar .sep{ opacity: .3; margin: 0 .85rem; }
.topbar i{ color: var(--yellow); margin-right: .35rem; }

/* ===== NAVBAR ===== */
.nav-wrap{
  background: var(--paper);
  border-bottom: 1px solid var(--silver);
  position: sticky; top: 0; z-index: 1040;
  transition: box-shadow .25s ease, background .25s ease;
}
.nav-wrap.scrolled{
  box-shadow: 0 4px 20px -8px rgba(29,30,34,.12);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.94);
}
.navbar-brand{
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -.02em;
  display: flex; align-items: center; gap: .7rem;
}
.brand-mark{
  width: 42px; height: 42px;
  background: var(--slate);
  color: var(--yellow);
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -.04em;
  box-shadow: 0 4px 12px -4px rgba(29,30,34,.4), inset 0 0 0 1px rgba(254,218,106,.15);
  position: relative;
}
.brand-mark::after{
  content: "";
  position: absolute; bottom: -2px; left: 6px; right: 6px; height: 3px;
  background: var(--yellow);
  border-radius: 1px;
}
.brand-text small{
  display: block;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  font-size: .65rem;
  letter-spacing: .22em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: -2px;
}
.navbar-nav .nav-link{
  font-weight: 500;
  color: var(--slate);
  padding: .6rem 1rem !important;
  font-size: .94rem;
  position: relative;
}
.navbar-nav .nav-link::after{
  content: ""; position: absolute; left: 1rem; right: 1rem; bottom: .35rem;
  height: 3px; background: var(--yellow); transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after{ transform: scaleX(1); }
.navbar-nav .nav-link:hover{ color: var(--slate); }

.btn-primary-cta{
  background: var(--yellow);
  color: var(--slate) !important;
  border: 1px solid var(--yellow);
  padding: .7rem 1.3rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap: .5rem;
  box-shadow: var(--shadow-yellow);
}
.btn-primary-cta:hover{
  background: var(--slate); border-color: var(--slate);
  color: var(--yellow) !important; transform: translateY(-2px);
  box-shadow: 0 8px 20px -6px rgba(29,30,34,.5);
}

/* ===== HERO ===== */
.hero{
  position: relative;
  background: var(--paper);
  padding: 90px 0 110px;
  overflow: hidden;
  border-bottom: 1px solid var(--silver);
}
.hero::before{
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(254,218,106,.10) 0, transparent 60%),
    radial-gradient(ellipse 50% 40% at 5% 90%, rgba(57,63,77,.07) 0, transparent 60%);
  pointer-events: none;
}
.hero-grid-bg{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(57,63,77,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,63,77,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  pointer-events: none;
}
.hero-content{ position: relative; z-index: 2; }
.hero h1{
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.04;
  margin-bottom: 1.4rem;
  color: var(--slate);
}
.hero h1 em{
  font-style: normal;
  font-weight: 700;
  color: var(--slate);
  position: relative;
  display: inline-block;
  padding: 0 .15em;
}
.hero h1 em::before{
  content: "";
  position: absolute; left: 0; right: 0; bottom: .08em;
  height: .42em;
  background: var(--yellow);
  z-index: -1;
  transform: skew(-2deg);
}
.hero-lead{
  font-size: 1.1rem;
  color: var(--matte);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-cta{ display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-ink{
  background: var(--yellow); color: var(--slate);
  padding: .9rem 1.7rem;
  border-radius: var(--radius-sm);
  font-weight: 700; font-size: .95rem;
  border: 1px solid var(--yellow);
  text-transform: uppercase;
  letter-spacing: .04em;
  display: inline-flex; align-items: center; gap: .55rem;
  transition: all .25s cubic-bezier(.2,.7,.2,1);
  box-shadow: var(--shadow-yellow);
}
.btn-ink:hover{
  background: var(--slate); border-color: var(--slate); color: var(--yellow);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -6px rgba(29,30,34,.5);
}
.btn-outline-ink{
  background: var(--white); color: var(--slate);
  padding: .9rem 1.7rem;
  border-radius: var(--radius-sm);
  font-weight: 700; font-size: .95rem;
  border: 1px solid var(--slate);
  text-transform: uppercase;
  letter-spacing: .04em;
  display: inline-flex; align-items: center; gap: .55rem;
  transition: all .25s ease;
}
.btn-outline-ink:hover{
  background: var(--slate); color: var(--yellow); border-color: var(--slate);
  transform: translateY(-2px);
}

/* Hero stats */
.hero-stats{
  display: flex; gap: 2.5rem; margin-top: 3rem; flex-wrap: wrap;
  padding-top: 2rem; border-top: 2px solid var(--silver);
}
.hero-stat{ position: relative; }
.hero-stat .num{
  font-family: 'Fraunces', serif; font-weight: 700;
  font-size: 2.4rem; line-height: 1;
  color: var(--slate);
  letter-spacing: -.03em;
}
.hero-stat .lbl{
  font-size: .72rem; text-transform: uppercase; letter-spacing: .2em;
  color: var(--matte); margin-top: .35rem;
  font-weight: 600;
}

/* Hero collage */
.hero-collage{
  position: relative;
  aspect-ratio: 1/1.05;
}
.hero-collage img{
  position: absolute;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}
.hero-collage .img-1{
  top: 0; right: 0;
  width: 70%; height: 60%;
  border: 6px solid var(--paper);
}
.hero-collage .img-2{
  bottom: 0; left: 0;
  width: 60%; height: 50%;
  border: 6px solid var(--paper);
  z-index: 2;
}
.hero-collage .img-3{
  bottom: 8%; right: 5%;
  width: 35%; height: 30%;
  border: 6px solid var(--paper);
  z-index: 3;
}

/* ISO badge — full yellow on slate */
.iso-badge{
  position: absolute;
  top: -22px; right: -22px;
  background: var(--yellow);
  color: var(--slate);
  width: 110px; height: 110px;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  line-height: 1.2;
  box-shadow: 0 12px 30px -8px rgba(254,218,106,.6), 0 0 0 4px var(--paper), 0 0 0 5px var(--slate);
  animation: spin 30s linear infinite;
  z-index: 4;
  font-weight: 700;
}
.iso-badge strong{
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: .15rem 0;
  color: var(--slate);
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.iso-badge:hover{ animation-play-state: paused; }

/* ===== TICKER ===== */
.ticker{
  background: var(--slate);
  color: #fff;
  padding: 1.2rem 0;
  overflow: hidden;
  position: relative;
}
.ticker::before{
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--yellow);
}
.ticker::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--yellow);
}
.ticker-track{
  display: flex; gap: 4rem; animation: scroll 40s linear infinite;
  white-space: nowrap; align-items: center;
}
.ticker-item{
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  font-weight: 500;
  color: rgba(255,255,255,.92);
  display: inline-flex; align-items: center; gap: 4rem;
}
.ticker-item::after{
  content: "▲";
  color: var(--yellow);
  font-size: .7rem;
}
@keyframes scroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* ===== SECTION COMMON ===== */
section{ padding: 100px 0; }
.section-head{ margin-bottom: 4rem; max-width: 760px; }
.section-head h2{
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.08;
  margin: 1rem 0 1.2rem;
}
.section-head p{
  color: var(--matte); font-size: 1.05rem; line-height: 1.7;
}

/* ===== CATEGORY GRID ===== */
.category-section{ background: var(--paper-2); }
.cat-card{
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  height: 100%;
  transition: all .35s cubic-bezier(.2,.8,.2,1);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.cat-card::before{
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--yellow);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
  z-index: 3;
}
.cat-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--slate);
}
.cat-card:hover::before{ transform: scaleX(1); }
.cat-img{
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--silver-soft);
}
.cat-img img{
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.cat-card:hover .cat-img img{ transform: scale(1.06); }
.cat-body{
  padding: 1.8rem;
  display: flex; flex-direction: column;
  flex-grow: 1;
}
.cat-icon{
  width: 48px; height: 48px;
  background: var(--silver-soft);
  color: var(--slate);
  display: grid; place-items: center;
  font-size: 1.4rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  transition: all .3s ease;
  border: 1px solid transparent;
}
.cat-card:hover .cat-icon{
  background: var(--yellow); color: var(--slate);
  border-color: var(--slate);
}
.cat-body h3{
  font-size: 1.2rem; margin-bottom: .6rem; line-height: 1.2;
  color: var(--slate);
}
.cat-body p{
  font-size: .9rem; color: var(--muted); line-height: 1.6;
  margin-bottom: 1.2rem; flex-grow: 1;
}
.cat-link{
  font-size: .76rem; text-transform: uppercase; letter-spacing: .18em;
  font-weight: 700; color: var(--slate);
  display: inline-flex; align-items: center; gap: .4rem;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: .25rem;
  align-self: flex-start;
}
.cat-link i{ transition: transform .25s ease; }
.cat-card:hover .cat-link i{ transform: translateX(4px); }
.cat-num{
  position: absolute; top: 1rem; right: 1.2rem;
  background: var(--slate); color: var(--yellow);
  padding: .3rem .65rem;
  font-family: 'Fraunces', serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  border-radius: var(--radius-sm);
  z-index: 2;
}

/* ===== ABOUT / WELCOME ===== */
.welcome-section{
  background: var(--slate);
  color: #d3d6df;
  position: relative; overflow: hidden;
}
.welcome-section::before{
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(254,218,106,.10) 0, transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(212,212,220,.06) 0, transparent 50%);
}
.welcome-section .eyebrow{ color: var(--yellow); }
.welcome-section .eyebrow::before{ background: var(--yellow); }
.welcome-section h2,
.welcome-section h3{ color: #fff; }
.welcome-section h2 em,
.welcome-section h3 em{ color: var(--yellow); font-style: normal; }
.welcome-section p{ color: #c5c8d0; line-height: 1.8; }
.welcome-feature{
  border-left: 3px solid var(--yellow);
  padding: .4rem 0 .4rem 1.2rem;
  margin-bottom: 1.4rem;
  transition: padding-left .25s ease;
}
.welcome-feature:hover{
  padding-left: 1.5rem;
}
.welcome-feature h4{
  color: #fff; font-size: 1.1rem;
  margin-bottom: .25rem;
}
.welcome-feature p{ font-size: .92rem; margin: 0; color: #a8acb6; }
.welcome-feature i{
  color: var(--yellow) !important;
}

.about-img-wrap{
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
  border: 4px solid var(--matte);
}
.about-img-wrap img{
  width: 100%; height: 100%; object-fit: cover;
}
.about-img-wrap::after{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(254,218,106,.10) 0%, transparent 50%, rgba(29,30,34,.20) 100%);
}

/* ===== PRODUCT SHOWCASE ===== */
.showcase{ background: var(--paper); }
.showcase-card{
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: all .35s ease;
  position: relative;
}
.showcase-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--slate);
}
.showcase-img{
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--silver-soft);
}
.showcase-img img{
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.showcase-card:hover .showcase-img img{ transform: scale(1.08); }
.showcase-tag{
  position: absolute; top: 1rem; left: 1rem;
  background: var(--yellow); color: var(--slate);
  padding: .35rem .8rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 2;
  box-shadow: 0 4px 10px -2px rgba(29,30,34,.25);
}
.showcase-body{ padding: 1.5rem; }
.showcase-body h4{
  font-size: 1.05rem; margin-bottom: .35rem; line-height: 1.3;
  color: var(--slate);
}
.showcase-body p{
  font-size: .82rem; color: var(--muted); margin: 0;
}

/* ===== STATS BAND ===== */
.stats-band{
  background: var(--slate);
  color: #fff;
  padding: 70px 0;
  position: relative;
}
.stats-band::before{
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--yellow);
}
.stats-band::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--yellow);
}
.stat-item{
  text-align: center;
  padding: 1rem;
  border-right: 1px solid rgba(255,255,255,.08);
}
.stat-item:last-child{ border-right: 0; }
.stat-num{
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  color: #fff;
  line-height: 1;
  letter-spacing: -.04em;
}
.stat-num span{
  color: var(--yellow);
}
.stat-lbl{
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--silver);
  margin-top: .8rem;
  font-weight: 600;
}

/* ===== WHY US ===== */
.why-section{ background: var(--paper); }
.why-card{
  padding: 2rem 0;
  border-bottom: 1px solid var(--silver);
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 2rem;
  align-items: center;
  transition: all .3s ease;
  position: relative;
}
.why-card::before{
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: var(--yellow);
  transition: width .3s ease;
}
.why-card:hover{
  padding-left: 1.5rem;
}
.why-card:hover::before{ width: 4px; }
.why-num{
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--slate);
  position: relative;
  display: inline-block;
}
.why-num::after{
  content: "";
  position: absolute; left: 0; bottom: 8px; right: 30%;
  height: 4px;
  background: var(--yellow);
  z-index: -1;
}
.why-card h4{
  font-size: 1.4rem; margin-bottom: .4rem;
  color: var(--slate);
}
.why-card p{
  color: var(--matte); margin: 0;
  font-size: .98rem;
  line-height: 1.6;
}
.why-card i{
  font-size: 1.5rem;
  color: var(--silver-2);
  transition: all .3s ease;
}
.why-card:hover i{
  color: var(--slate);
  transform: rotate(-12deg) scale(1.1);
}

/* ===== CONTACT ===== */
.contact-section{
  background: var(--matte);
  color: #d3d6df;
  position: relative; overflow: hidden;
}
.contact-section::before{
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(254,218,106,.10) 0, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(212,212,220,.06) 0, transparent 40%);
}
.contact-section::after{
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--yellow);
}
.contact-section .eyebrow{ color: var(--yellow); }
.contact-section .eyebrow::before{ background: var(--yellow); }
.contact-section h2{ color: #fff; }
.contact-section p{ color: #b8bcc7; }
.contact-info-item{
  display: flex; gap: 1.2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.contact-info-item i{
  font-size: 1.4rem;
  color: var(--slate);
  width: 50px; height: 50px;
  background: var(--yellow);
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact-info-item h5{
  color: #fff; font-family: 'Inter Tight', sans-serif;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .2em;
  margin-bottom: .35rem; font-weight: 700;
}
.contact-info-item p{ margin: 0; color: #c5c8d0; font-size: .98rem; }

.contact-form{
  background: var(--paper);
  color: var(--ink);
  padding: 2.8rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--yellow);
}
.form-control, .form-select{
  border: 1px solid var(--silver);
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  font-size: .95rem;
  color: var(--slate);
  transition: all .2s ease;
}
.form-control:focus, .form-select:focus{
  border-color: var(--slate);
  box-shadow: 0 0 0 4px var(--yellow-soft);
  background: var(--white);
}
.form-label{
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: .4rem;
}

/* ===== EXPORT ===== */
.export-section{ background: var(--paper-2); }
.country-pill{
  display: inline-block;
  padding: .55rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius-sm);
  margin: .25rem;
  font-size: .85rem;
  color: var(--slate);
  transition: all .25s ease;
}
.country-pill:hover{
  background: var(--yellow);
  color: var(--slate);
  border-color: var(--slate);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px -4px rgba(254,218,106,.5);
}
.country-pill i{ color: var(--matte); margin-right: .35rem; }
.country-pill:hover i{ color: var(--slate); }

/* ===== FOOTER ===== */
footer{
  background: var(--slate);
  color: #a8acb6;
  padding: 80px 0 30px;
  position: relative;
}
footer::before{
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: var(--yellow);
}
footer h5{
  color: #fff;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
  position: relative;
  padding-bottom: .8rem;
}
footer h5::after{
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 30px; height: 3px;
  background: var(--yellow);
}
footer ul{ list-style: none; padding: 0; }
footer ul li{ margin-bottom: .65rem; }
footer ul a{
  color: #a8acb6;
  font-size: .9rem;
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap: .4rem;
}
footer ul a:hover{ color: var(--yellow); padding-left: 4px; }
footer ul a i{ font-size: .65rem; opacity: .5; }
.footer-brand{
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: #fff;
  display: flex; align-items: center; gap: .7rem;
  margin-bottom: 1.2rem;
}
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 50px;
  padding-top: 25px;
  font-size: .82rem;
}
.footer-bottom a{ color: #c5c8d0; }
.footer-bottom a:hover{ color: var(--yellow); }
.social-icons a{
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  display: inline-grid; place-items: center;
  color: #a8acb6;
  margin-right: .5rem;
  transition: all .25s ease;
}
.social-icons a:hover{
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--slate);
  transform: translateY(-3px);
  box-shadow: 0 6px 14px -4px rgba(254,218,106,.5);
}

/* ===== BACK TO TOP ===== */
.back-top{
  position: fixed; bottom: 30px; right: 30px;
  width: 50px; height: 50px;
  background: var(--yellow); color: var(--slate);
  display: grid; place-items: center;
  border: 0;
  border-radius: var(--radius-sm);
  z-index: 1000;
  opacity: 0; pointer-events: none;
  transition: all .3s ease;
  box-shadow: var(--shadow-yellow);
}
.back-top.show{ opacity: 1; pointer-events: auto; }
.back-top:hover{
  background: var(--slate);
  color: var(--yellow);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -8px rgba(29,30,34,.5);
}

/* ===== MEGA DROPDOWN ===== */
.dropdown-mega{ position: static; }
.dropdown-menu-mega{
  width: min(95vw, 1100px);
  padding: 1.2rem .5rem 1.4rem;
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  border-top: 3px solid var(--yellow);
  box-shadow: var(--shadow-lg);
  margin-top: .5rem;
  background: var(--white);
}
.dropdown-mega-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .25rem 1rem;
  padding: .25rem .5rem;
}
.dropdown-mega-col h6.dropdown-header{
  font-family: 'Inter Tight', sans-serif;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--slate);
  padding: .6rem .5rem .35rem;
  margin-bottom: .25rem;
  border-bottom: 2px solid var(--yellow);
}
.dropdown-menu-mega .dropdown-item{
  padding: .42rem .5rem;
  font-size: .87rem;
  color: var(--slate);
  border-radius: var(--radius-sm);
  white-space: normal;
  border-left: 2px solid transparent;
  transition: all .15s ease;
}
.dropdown-menu-mega .dropdown-item:hover,
.dropdown-menu-mega .dropdown-item:focus{
  background: var(--yellow-soft);
  color: var(--slate);
  border-left-color: var(--yellow);
  padding-left: .7rem;
  font-weight: 600;
}
@media (max-width: 991px){
  .dropdown-menu-mega{ width: 100%; padding: .5rem; }
  .dropdown-mega-grid{ grid-template-columns: 1fr; gap: 0; }
  .dropdown-mega-col h6.dropdown-header{ margin-top: .5rem; }
}

/* ===========================================
   ===== INTERIOR PAGES =======================
   =========================================== */

/* Page banner */
.page-banner{
  position: relative;
  padding: 90px 0 60px;
  background: var(--slate);
  color: #d3d6df;
  overflow: hidden;
}
.page-banner::before{
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 30%, rgba(254,218,106,.14) 0, transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(57,63,77,.4) 0, transparent 50%);
  pointer-events: none;
}
.page-banner::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: var(--yellow);
}
.page-banner-grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  pointer-events: none;
}
.page-banner > .container{ position: relative; z-index: 2; }
.page-banner .eyebrow{ color: var(--yellow); }
.page-banner .eyebrow::before{ background: var(--yellow); }
.page-banner h1{
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  margin: 1rem 0 1.2rem;
  max-width: 850px;
}
.page-banner p.lead{
  color: #c5c8d0;
  font-size: 1.05rem;
  max-width: 760px;
  line-height: 1.7;
}

/* Breadcrumb */
.breadcrumb-bar{
  background: var(--silver-soft);
  padding: 1rem 0;
  border-bottom: 1px solid var(--silver);
  font-size: .85rem;
}
.breadcrumb-bar a{ color: var(--matte); }
.breadcrumb-bar a:hover{ color: var(--slate); border-bottom: 2px solid var(--yellow); padding-bottom: 1px; }
.breadcrumb-bar .sep{ margin: 0 .5rem; color: var(--silver-2); }
.breadcrumb-bar .current{ color: var(--slate); font-weight: 700; }

/* Sidebar */
.sidebar{
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  position: sticky; top: 100px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.sidebar-head{
  background: var(--slate);
  color: #fff;
  padding: 1rem 1.4rem;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  position: relative;
}
.sidebar-head::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--yellow);
}
.sidebar-list{ list-style: none; padding: 0; margin: 0; }
.sidebar-list li{ border-bottom: 1px solid var(--silver); }
.sidebar-list li:last-child{ border-bottom: 0; }
.sidebar-list a{
  display: flex; align-items: center; gap: .7rem;
  padding: .85rem 1.4rem;
  font-size: .92rem;
  color: var(--slate);
  transition: all .2s ease;
}
.sidebar-list a i{
  color: var(--matte);
  font-size: 1rem;
  transition: transform .2s ease;
}
.sidebar-list a:hover{
  background: var(--yellow-soft);
  color: var(--slate);
  padding-left: 1.7rem;
}
.sidebar-list a:hover i{ transform: translateX(3px); color: var(--slate); }
.sidebar-list a.active{
  background: var(--yellow-soft);
  color: var(--slate);
  font-weight: 700;
  border-left: 4px solid var(--yellow);
}
.sidebar-list a.active i{ color: var(--slate); }
.sidebar-cta{
  padding: 1.4rem;
  background: var(--silver-soft);
  border-top: 1px solid var(--silver);
}
.sidebar-cta p{
  font-size: .85rem; color: var(--matte);
  margin-bottom: .8rem;
}
.sidebar-cta .btn-ink{
  width: 100%; justify-content: center;
  padding: .75rem 1rem; font-size: .82rem;
}

/* Category overview cards */
.product-overview-card{
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  height: 100%;
  display: flex;
  gap: 1.2rem;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.product-overview-card::before{
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--yellow);
  transform: scaleY(0); transform-origin: top;
  transition: transform .3s ease;
}
.product-overview-card:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--slate);
}
.product-overview-card:hover::before{ transform: scaleY(1); }
.product-overview-card .icon{
  flex-shrink: 0;
  width: 56px; height: 56px;
  background: var(--silver-soft);
  display: grid; place-items: center;
  font-size: 1.5rem;
  color: var(--slate);
  border-radius: var(--radius-sm);
  transition: all .3s ease;
  border: 1px solid transparent;
}
.product-overview-card:hover .icon{
  background: var(--yellow); color: var(--slate);
  border-color: var(--slate);
}
.product-overview-card h3{
  font-size: 1.15rem; margin-bottom: .35rem;
  color: var(--slate);
}
.product-overview-card p{
  font-size: .88rem; color: var(--muted);
  margin-bottom: .8rem; line-height: 1.55;
}
.product-overview-card .arrow{
  font-size: .76rem; text-transform: uppercase; letter-spacing: .18em;
  font-weight: 700; color: var(--slate);
  display: inline-flex; align-items: center; gap: .35rem;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: .15rem;
}

/* Product items */
.product-item{
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  height: 100%;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: all .3s ease;
}
.product-item:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--slate);
}
.product-item-img{
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--silver-soft);
}
.product-item-img img{
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-item:hover .product-item-img img{ transform: scale(1.06); }
.product-item-body{
  padding: 1.2rem 1.3rem 1.4rem;
  flex-grow: 1; display: flex; flex-direction: column;
}
.product-item-body h5{
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .35rem;
  line-height: 1.3;
  color: var(--slate);
}
.product-item-body .spec{
  font-size: .8rem;
  color: var(--muted);
  flex-grow: 1;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.product-item-body .quote-btn{
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--slate);
  display: inline-flex; align-items: center; gap: .35rem;
  border: 1px solid var(--slate);
  padding: .55rem .9rem;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  background: var(--white);
  transition: all .2s ease;
}
.product-item-body .quote-btn:hover{
  background: var(--yellow); border-color: var(--slate); color: var(--slate);
  box-shadow: 0 4px 10px -2px rgba(254,218,106,.5);
}

/* Tender cards */
.tender-card{
  background: var(--white);
  border: 1px solid var(--silver);
  border-left: 4px solid var(--yellow);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.tender-card:hover{
  box-shadow: var(--shadow);
  border-left-color: var(--slate);
}
.tender-card h4{
  font-size: 1.25rem; margin-bottom: .8rem;
  color: var(--slate);
}
.tender-card .tender-meta{
  display: flex; flex-wrap: wrap; gap: 1rem;
  font-size: .82rem;
  color: var(--matte);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--silver);
}
.tender-card .tender-meta span{
  display: inline-flex; align-items: center; gap: .35rem;
}
.tender-card .tender-meta i{ color: var(--slate); }
.tender-card p{
  color: var(--matte); font-size: .95rem; line-height: 1.7;
  margin-bottom: 1rem;
}
.tender-card .badge-status{
  display: inline-block;
  background: var(--yellow);
  color: var(--slate);
  padding: .3rem .8rem;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

/* Page sections */
.page-section{ padding: 80px 0; }
.page-section.alt{ background: var(--paper-2); }

/* Catalog form card */
.catalog-form-card{
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--yellow);
}

/* About collage */
.about-collage{
  position: relative;
  aspect-ratio: 1/1;
}
.about-collage img{
  position: absolute;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  border: 6px solid var(--paper);
}
.about-collage .a-1{ top: 0; left: 0; width: 60%; height: 55%; }
.about-collage .a-2{ bottom: 0; right: 0; width: 65%; height: 55%; z-index: 2; }

/* Alerts */
.alert{ border-radius: var(--radius-sm); }
.alert-success{
  background: var(--yellow-soft);
  color: var(--slate);
  border-left: 4px solid var(--yellow) !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.alert-warning{
  background: var(--silver-soft);
  color: var(--slate);
  border-left: 4px solid var(--matte) !important;
  border-radius: var(--radius-sm);
}

/* ===== MOBILE ===== */
@media (max-width: 991px){
  .hero{ padding: 60px 0 80px; }
  .hero-stats{ gap: 1.8rem; margin-top: 2rem; }
  .iso-badge{ width: 90px; height: 90px; top: -10px; right: -10px; font-size: .58rem; }
  .iso-badge strong{ font-size: 1rem; }
  section{ padding: 70px 0; }
  .section-head{ margin-bottom: 3rem; }
  .why-card{ grid-template-columns: 60px 1fr; gap: 1rem; }
  .why-card i{ display: none; }
  .contact-form{ padding: 1.8rem; }
  .topbar .d-none-mobile{ display: none !important; }
  .hero-collage{ margin-top: 2rem; }
  .page-banner{ padding: 60px 0 40px; }
  .sidebar{ position: static; margin-bottom: 2rem; }
  .product-overview-card{ flex-direction: column; }
  .page-section{ padding: 60px 0; }
  .stat-item{ border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
}