/* ============================================================
   STM ENGINEERS — Design System
   Brand: Steel blue accent on charcoal/graphite neutrals
   ============================================================ */

/* ---- Fonts (Fontshare) ---- */
@import url('https://api.fontshare.com/v2/css?f[]=clash-grotesk@500,600,700&f[]=satoshi@400,500,700&display=swap');

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem;  --space-32: 8rem;

  --font-display: 'Clash Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-full: 9999px;
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1280px;
}

/* ---- LIGHT ---- */
:root, [data-theme='light'] {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-surface-2: #eef1f5;
  --color-surface-offset: #e4e8ee;
  --color-border: #d5dae1;
  --color-divider: #e2e6ec;

  --color-text: #1a1d21;
  --color-text-muted: #5b636d;
  --color-text-faint: #98a1ab;
  --color-text-inverse: #f6f7f9;

  --color-primary: #1d6fb8;        /* steel blue */
  --color-primary-hover: #155a98;
  --color-primary-active: #114a7e;
  --color-primary-soft: #e3eef8;

  --color-ink: #1f2429;            /* charcoal surface (footers, hero) */
  --color-ink-2: #272d34;
  --color-ink-border: #3a424b;
  --color-on-ink: #e9edf2;
  --color-on-ink-muted: #9aa5b1;
  --color-steel: #5aa0db;          /* lighter steel on dark */

  --shadow-sm: 0 1px 2px rgba(20,30,45,.06);
  --shadow-md: 0 6px 18px rgba(20,30,45,.09);
  --shadow-lg: 0 18px 44px rgba(20,30,45,.14);
}

/* ---- DARK ---- */
[data-theme='dark'] {
  --color-bg: #14171a;
  --color-surface: #1c2024;
  --color-surface-2: #22272c;
  --color-surface-offset: #272d33;
  --color-border: #343b42;
  --color-divider: #2a3036;

  --color-text: #e7ebef;
  --color-text-muted: #9aa4ae;
  --color-text-faint: #6b757f;
  --color-text-inverse: #14171a;

  --color-primary: #5aa0db;
  --color-primary-hover: #7bb5e6;
  --color-primary-active: #97c6ed;
  --color-primary-soft: #1d2937;

  --color-ink: #0f1316;
  --color-ink-2: #181d21;
  --color-ink-border: #2c333a;
  --color-on-ink: #e7ebef;
  --color-on-ink-muted: #9aa4ae;
  --color-steel: #5aa0db;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 6px 18px rgba(0,0,0,.4);
  --shadow-lg: 0 18px 44px rgba(0,0,0,.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:#14171a;--color-surface:#1c2024;--color-surface-2:#22272c;
    --color-surface-offset:#272d33;--color-border:#343b42;--color-divider:#2a3036;
    --color-text:#e7ebef;--color-text-muted:#9aa4ae;--color-text-faint:#6b757f;
    --color-primary:#5aa0db;--color-primary-hover:#7bb5e6;--color-primary-soft:#1d2937;
    --color-ink:#0f1316;--color-ink-2:#181d21;--color-ink-border:#2c333a;
    --color-on-ink:#e7ebef;--color-on-ink-muted:#9aa4ae;
  }
}

/* ============================================================
   BASE
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  -webkit-text-size-adjust:none;text-size-adjust:none;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;scroll-behavior:smooth;
  scroll-padding-top:5rem;
}
body{
  min-height:100dvh;line-height:1.6;font-family:var(--font-body);
  font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);
  overflow-x:hidden;
}
img,picture,video,svg{display:block;max-width:100%;height:auto}
ul[role='list']{list-style:none}
input,button,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{text-wrap:balance;line-height:1.1;font-family:var(--font-display);font-weight:600;letter-spacing:-.01em}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
button{cursor:pointer;background:none;border:none}
::selection{background:color-mix(in srgb,var(--color-primary) 25%,transparent);color:var(--color-text)}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}

a,button,[role=button],input,textarea,select{transition:color var(--transition),background var(--transition),border-color var(--transition),box-shadow var(--transition),transform var(--transition)}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container{width:100%;max-width:var(--content-wide);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,3rem)}
.container-narrow{max-width:var(--content-default)}
.section{padding-block:clamp(var(--space-16),9vw,var(--space-32))}
.section-sm{padding-block:clamp(var(--space-12),6vw,var(--space-20))}
.eyebrow{font-family:var(--font-body);font-weight:700;font-size:var(--text-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--color-primary);display:inline-flex;align-items:center;gap:.6rem}
.eyebrow::before{content:'';width:1.75rem;height:2px;background:var(--color-primary);display:inline-block}
.eyebrow.center::before{display:none}
.section-head{max-width:62ch}
.section-head h2{font-size:var(--text-2xl);margin-top:var(--space-4)}
.section-head p{color:var(--color-text-muted);margin-top:var(--space-4);font-size:var(--text-lg)}
.text-center{text-align:center}
.mx-auto{margin-inline:auto}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:var(--font-body);font-weight:700;font-size:var(--text-sm);padding:.85rem 1.6rem;border-radius:var(--radius-md);border:1.5px solid transparent;white-space:nowrap}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-secondary{background:transparent;color:var(--color-text);border-color:var(--color-border)}
.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-2px)}
.btn-on-ink{background:transparent;color:var(--color-on-ink);border-color:rgba(255,255,255,.25)}
.btn-on-ink:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-lg{padding:1rem 2rem;font-size:var(--text-base)}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--color-surface) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--color-divider)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);height:4.5rem}
.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0}
.brand-logo{display:inline-flex;align-items:center}
.brand-logo img{display:block;height:2.5rem;width:auto}
/* Show light logo by default; swap to recolored variant in dark mode */
.brand-logo .brand-logo-dark{display:none}
[data-theme="dark"] .brand-logo .brand-logo-light{display:none}
[data-theme="dark"] .brand-logo .brand-logo-dark{display:block}
.nav-links{display:flex;align-items:center;gap:var(--space-1);list-style:none}
.nav-links>li{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:.3rem;font-weight:500;font-size:var(--text-sm);padding:.6rem .85rem;border-radius:var(--radius-sm);color:var(--color-text)}
.nav-link:hover,.nav-link.active{color:var(--color-primary);background:var(--color-surface-2)}
.nav-link .chev{width:.85em;height:.85em;transition:transform var(--transition)}
.has-dropdown:hover .chev,.has-dropdown:focus-within .chev{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + .4rem);left:0;min-width:18rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-3);opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--transition);list-style:none}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;flex-direction:column;gap:.1rem;padding:.6rem .75rem;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500}
.dropdown a:hover{background:var(--color-surface-2);color:var(--color-primary)}
.dropdown a small{color:var(--color-text-faint);font-weight:400;font-size:var(--text-xs)}
.nav-actions{display:flex;align-items:center;gap:var(--space-3)}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:var(--radius-full);color:var(--color-text-muted);border:1px solid var(--color-border)}
.theme-toggle:hover{color:var(--color-primary);border-color:var(--color-primary)}
.nav-cta{display:none}
@media(min-width:1080px){.nav-cta{display:inline-flex}}

.menu-btn{display:inline-flex;flex-direction:column;gap:5px;width:2.6rem;height:2.6rem;align-items:center;justify-content:center;border-radius:var(--radius-sm)}
.menu-btn span{width:22px;height:2px;background:var(--color-text);transition:var(--transition)}
@media(min-width:1080px){.menu-btn{display:none}}
@media(max-width:1079px){.nav-links{display:none}}

/* Mobile drawer */
.mobile-nav{position:fixed;inset:0;z-index:200;background:var(--color-bg);transform:translateX(100%);transition:transform .35s cubic-bezier(.16,1,.3,1);overflow-y:auto;display:flex;flex-direction:column;padding:var(--space-6)}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}
.mobile-nav a{display:block;padding:.85rem 0;font-size:var(--text-lg);font-weight:600;border-bottom:1px solid var(--color-divider)}
.mobile-nav .sub{padding-left:var(--space-4);font-size:var(--text-base);font-weight:500;color:var(--color-text-muted)}
.close-btn{font-size:1.8rem;width:2.6rem;height:2.6rem}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;background:var(--color-ink);color:var(--color-on-ink);overflow:hidden;isolation:isolate}
.hero::before{content:'';position:absolute;inset:0;background-image:var(--hero-img);background-size:cover;background-position:center;opacity:.5;z-index:-2}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 50% 45%,transparent,rgba(15,19,22,.7) 100%),linear-gradient(180deg,rgba(15,19,22,.4),rgba(15,19,22,.85));z-index:-1}
.hero-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-6);padding-block:clamp(5rem,14vw,9rem);max-width:60rem;margin-inline:auto}
.hero h1{font-size:var(--text-3xl);font-weight:600;letter-spacing:-.02em;color:#fff}
.hero h1 .accent{color:var(--color-steel)}
.hero-sub{font-size:var(--text-lg);color:var(--color-on-ink-muted);max-width:44ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:var(--space-4);justify-content:center;margin-top:var(--space-2)}
.hero .btn-primary{box-shadow:0 8px 30px rgba(29,111,184,.4)}

/* Page hero (interior) */
.page-hero{background:var(--color-ink);color:var(--color-on-ink);position:relative;overflow:hidden;isolation:isolate}
.page-hero.with-img::before{content:'';position:absolute;inset:0;background-image:var(--hero-img);background-size:cover;background-position:center;opacity:.32;z-index:-2}
.page-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,19,22,.7),rgba(15,19,22,.9));z-index:-1}
.page-hero-inner{padding-block:clamp(4rem,9vw,6.5rem);max-width:54rem}
.page-hero h1{font-size:var(--text-2xl);color:#fff;margin-top:var(--space-3)}
.page-hero p{color:var(--color-on-ink-muted);font-size:var(--text-lg);margin-top:var(--space-4);max-width:52ch}
.breadcrumb{font-size:var(--text-xs);color:var(--color-steel);letter-spacing:.08em;text-transform:uppercase}
.breadcrumb a:hover{color:#fff}

/* ============================================================
   CARDS & GRIDS
   ============================================================ */
.grid{display:grid;gap:var(--space-6)}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr))}

.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--color-primary) 40%,var(--color-border))}
.card-body{padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-3);flex:1}
.card h3{font-size:var(--text-lg)}
.card p{color:var(--color-text-muted);font-size:var(--text-sm)}

/* Icon feature card */
.feature{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-4);transition:var(--transition)}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--color-primary) 40%,var(--color-border))}
.feature .ic{width:3.2rem;height:3.2rem;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center}
.feature .ic svg{width:1.6rem;height:1.6rem}
.feature h3{font-size:var(--text-lg)}
.feature p{color:var(--color-text-muted);font-size:var(--text-sm)}

/* Category card with placeholder visual */
.cat-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);background:var(--color-surface);transition:var(--transition);display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}
.cat-card .ph{aspect-ratio:4/3}
.cat-card .cc-body{padding:var(--space-5) var(--space-6);display:flex;flex-direction:column;gap:.4rem}
.cat-card .cc-body h3{font-size:var(--text-lg)}
.cat-card .cc-count{font-size:var(--text-xs);color:var(--color-primary);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.cat-card .cc-link{margin-top:.4rem;font-size:var(--text-sm);font-weight:700;color:var(--color-primary);display:inline-flex;align-items:center;gap:.4rem}
.cat-card:hover .cc-link svg{transform:translateX(4px)}
.cat-card .cc-link svg{transition:var(--transition);width:1em;height:1em}

/* ---- Image placeholder (branded) ---- */
.ph{position:relative;background:
  repeating-linear-gradient(135deg,transparent,transparent 18px,color-mix(in srgb,var(--color-primary) 5%,transparent) 18px,color-mix(in srgb,var(--color-primary) 5%,transparent) 19px),
  linear-gradient(135deg,var(--color-surface-2),var(--color-surface-offset));
  display:flex;align-items:center;justify-content:center;color:var(--color-text-faint);overflow:hidden}
.ph::after{content:'';position:absolute;inset:0;background-image:var(--ph-icon);background-repeat:no-repeat;background-position:center 38%;background-size:clamp(2.5rem,18%,4rem);opacity:.5}
.ph .ph-label{position:absolute;left:0;right:0;bottom:0;padding:.7rem .9rem;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--color-text) 8%,transparent));font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);text-align:center;text-wrap:balance;line-height:1.3}
.ph .ph-badge{position:absolute;top:.7rem;left:.7rem;background:var(--color-primary);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.25rem .55rem;border-radius:var(--radius-full)}

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats{background:var(--color-ink-2);color:var(--color-on-ink)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:var(--space-8);text-align:center}
.stat .num{font-family:var(--font-display);font-weight:600;font-size:var(--text-2xl);color:#fff;letter-spacing:-.02em}
.stat .num .u{color:var(--color-steel)}
.stat .lbl{color:var(--color-on-ink-muted);font-size:var(--text-sm);margin-top:.3rem}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--color-ink);color:var(--color-on-ink);padding-top:clamp(var(--space-16),8vw,var(--space-24));padding-bottom:var(--space-8)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:var(--space-10)}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-col h4{font-family:var(--font-body);font-weight:700;font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-steel);margin-bottom:var(--space-5)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:var(--space-3)}
.footer-col a,.footer-col li{color:var(--color-on-ink-muted);font-size:var(--text-sm)}
.footer-col a:hover{color:#fff}
.footer-brand .brand-logo img{height:2.8rem;width:auto;margin-bottom:var(--space-4)}
/* Footer always sits on a dark ink background regardless of theme,
   so it must always show the light-colored (dark) logo variant. */
.footer-brand .brand-logo .brand-logo-light{display:none}
.footer-brand .brand-logo .brand-logo-dark{display:block}
.footer-tag{color:var(--color-on-ink-muted);font-size:var(--text-sm);max-width:34ch;line-height:1.7}
.footer-social{display:flex;gap:var(--space-3);margin-top:var(--space-5)}
.footer-social a{width:2.4rem;height:2.4rem;border-radius:var(--radius-full);border:1px solid var(--color-ink-border);display:flex;align-items:center;justify-content:center;color:var(--color-on-ink-muted)}
.footer-social a:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:1.1rem;height:1.1rem}
.footer-contact-item{display:flex;gap:.65rem;align-items:flex-start;margin-bottom:var(--space-3)}
.footer-contact-item svg{width:1rem;height:1rem;margin-top:.3rem;color:var(--color-steel);flex-shrink:0}
.footer-bottom{margin-top:clamp(var(--space-12),6vw,var(--space-16));padding-top:var(--space-6);border-top:1px solid var(--color-ink-border);display:flex;flex-wrap:wrap;gap:var(--space-4);justify-content:space-between;align-items:center;font-size:var(--text-xs);color:var(--color-on-ink-muted)}

/* ============================================================
   MISC SECTIONS
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(var(--space-8),5vw,var(--space-20));align-items:center}
@media(max-width:840px){.split{grid-template-columns:1fr}}
.split-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.split-img img{width:100%;height:100%;object-fit:cover}
.media-band{aspect-ratio:21/7;border-radius:var(--radius-xl);overflow:hidden;position:relative}
.media-band img{width:100%;height:100%;object-fit:cover}

.cta-band{background:var(--color-ink);color:var(--color-on-ink);border-radius:var(--radius-xl);padding:clamp(var(--space-10),6vw,var(--space-20));text-align:center;position:relative;overflow:hidden;isolation:isolate}
.cta-band::before{content:'';position:absolute;inset:0;background-image:var(--hero-img);background-size:cover;background-position:center;opacity:.18;z-index:-1}
.cta-band h2{font-size:var(--text-2xl);color:#fff}
.cta-band p{color:var(--color-on-ink-muted);max-width:46ch;margin:var(--space-4) auto var(--space-8);font-size:var(--text-lg)}
.cta-band .hero-cta{justify-content:center}

/* Pills / filters */
.pills{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center}
.pill{font-size:var(--text-sm);font-weight:600;padding:.55rem 1.1rem;border-radius:var(--radius-full);border:1px solid var(--color-border);color:var(--color-text-muted);background:var(--color-surface)}
.pill:hover{border-color:var(--color-primary);color:var(--color-primary)}
.pill.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}

/* Product list under category */
.prod-block{margin-top:var(--space-12)}
.prod-block .blk-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-4);border-bottom:2px solid var(--color-divider);padding-bottom:var(--space-3);margin-bottom:var(--space-6);flex-wrap:wrap}
.prod-block .blk-head h3{font-size:var(--text-xl)}
.prod-block .blk-head .cnt{font-size:var(--text-xs);color:var(--color-text-faint);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,15rem),1fr));gap:var(--space-5)}
.prod-tile{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;background:var(--color-surface);transition:var(--transition)}
.prod-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--color-primary)}
.prod-tile .ph{aspect-ratio:1/1}
.prod-tile .pt-name{padding:.75rem .85rem;font-size:var(--text-sm);font-weight:600;text-align:center;line-height:1.35;min-height:3.4rem;display:flex;align-items:center;justify-content:center}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,14rem),1fr));gap:var(--space-4)}
.gallery-grid .ph{aspect-ratio:1/1;border-radius:var(--radius-md);border:1px solid var(--color-border)}
.ba-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,26rem),1fr));gap:var(--space-8)}
.ba-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;background:var(--color-surface)}
.ba-pair{display:grid;grid-template-columns:1fr 1fr}
.ba-pair .ph{aspect-ratio:4/3}
.ba-pair .ph:first-child{border-right:2px solid var(--color-surface)}
.ba-card .ba-cap{padding:var(--space-4) var(--space-5);font-size:var(--text-sm);color:var(--color-text-muted)}
.ba-card .ba-cap strong{color:var(--color-text);display:block;font-family:var(--font-display)}

/* Logo grid (trusted by) */
.logo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(8.5rem,1fr));gap:1px;background:var(--color-divider);border:1px solid var(--color-divider);border-radius:var(--radius-lg);overflow:hidden}
.logo-cell{background:var(--color-surface);aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:var(--space-4);transition:var(--transition)}
.logo-cell:hover{background:var(--color-surface-2)}
.logo-cell span{font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);color:var(--color-text-faint);text-align:center;line-height:1.2}
.logo-cell:hover span{color:var(--color-primary)}

/* Testimonials */
.quote-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-5)}
.quote-card .stars{color:var(--color-primary);letter-spacing:.1em}
.quote-card blockquote{font-size:var(--text-lg);line-height:1.5;font-family:var(--font-display);font-weight:500}
.quote-card .who{display:flex;align-items:center;gap:.85rem;margin-top:auto}
.quote-card .who .av{width:2.8rem;height:2.8rem;border-radius:var(--radius-full);background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:600}
.quote-card .who .meta strong{display:block;font-size:var(--text-sm)}
.quote-card .who .meta span{font-size:var(--text-xs);color:var(--color-text-faint)}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.full{grid-column:1/-1}
.field label{font-size:var(--text-sm);font-weight:600}
.field label .req{color:var(--color-primary)}
.field input,.field textarea,.field select{padding:.8rem 1rem;border:1.5px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);font-size:var(--text-base)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}
.field textarea{resize:vertical;min-height:7rem}
.form-note{font-size:var(--text-xs);color:var(--color-text-faint)}
.form-success{display:none;padding:var(--space-6);border-radius:var(--radius-lg);background:var(--color-primary-soft);color:var(--color-primary-active);border:1px solid var(--color-primary);font-weight:600}
.form-success.show{display:block}

.contact-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);display:flex;gap:var(--space-4);align-items:flex-start}
.contact-card .ic{width:2.8rem;height:2.8rem;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-card .ic svg{width:1.4rem;height:1.4rem}
.contact-card h3{font-size:var(--text-base)}
.contact-card a,.contact-card p{font-size:var(--text-sm);color:var(--color-text-muted);display:block}
.contact-card a:hover{color:var(--color-primary)}

/* Bg surface variant */
.bg-surface-2{background:var(--color-surface-2)}
.lead{font-size:var(--text-lg);color:var(--color-text-muted);line-height:1.7}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(8rem,1fr));gap:var(--space-6);text-align:center}
.team-member .av{aspect-ratio:1;border-radius:var(--radius-full);background:linear-gradient(150deg,var(--color-primary),var(--color-primary-active));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-display);font-weight:600;font-size:var(--text-xl);margin-bottom:var(--space-3);border:3px solid var(--color-surface);box-shadow:var(--shadow-md)}
.team-member strong{display:block;font-family:var(--font-display)}
.team-member span{font-size:var(--text-xs);color:var(--color-text-faint)}

.value-list{display:block}
.value-item{display:flex;gap:var(--space-4);padding:var(--space-4) 0;border-bottom:1px solid var(--color-divider)}
.value-item .vn{font-family:var(--font-display);font-weight:600;color:var(--color-primary);font-size:var(--text-lg);flex-shrink:0;width:2.5rem}
.value-item p{color:var(--color-text-muted)}

/* ---- Category placeholder icons (data-URI line art) ---- */
.ph{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Crect x='3' y='4' width='18' height='14' rx='1'/%3E%3Cpath d='M3 9h18M9 4v5'/%3E%3C/svg%3E")}
.ph[data-ic="board"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Crect x='3' y='4' width='18' height='13' rx='1'/%3E%3Cpath d='M12 17v3M8 20h8M6 8h6M6 11h9'/%3E%3C/svg%3E")}
.ph[data-ic="display"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Crect x='4' y='3' width='16' height='18' rx='1'/%3E%3Cpath d='M7 7h10M7 11h10M7 15h6'/%3E%3C/svg%3E")}
.ph[data-ic="workstation"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Cpath d='M3 7h18M4 7v13M20 7v13M3 12h18'/%3E%3Cpath d='M7 7V4h10v3'/%3E%3C/svg%3E")}
.ph[data-ic="trolley"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Crect x='4' y='4' width='14' height='12' rx='1'/%3E%3Cpath d='M4 9h14M4 12h14'/%3E%3Ccircle cx='8' cy='19' r='1.6'/%3E%3Ccircle cx='15' cy='19' r='1.6'/%3E%3C/svg%3E")}
.ph[data-ic="rack"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Crect x='4' y='3' width='16' height='18' rx='1'/%3E%3Cpath d='M4 8h16M4 13h16M4 18h16'/%3E%3C/svg%3E")}
.ph[data-ic="fence"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Cpath d='M5 21V7l2-2 2 2v14M10 21V7l2-2 2 2v14M15 21V7l2-2 2 2v14M3 11h18M3 16h18'/%3E%3C/svg%3E")}
.ph[data-ic="booth"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Cpath d='M3 21V8l9-5 9 5v13'/%3E%3Cpath d='M3 21h18M9 21v-6h6v6'/%3E%3C/svg%3E")}
.ph[data-ic="outdoor"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Cpath d='M4 20v-6M20 20v-6M3 14h18l-2-5H5l-2 5z'/%3E%3Cpath d='M8 9V6h8v3'/%3E%3C/svg%3E")}
.ph[data-ic="custom"]{--ph-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d6fb8' stroke-width='1.5'%3E%3Cpath d='M12 2l2.4 5 5.6.8-4 4 1 5.6L12 20l-5 2.4 1-5.6-4-4 5.6-.8L12 2z'/%3E%3C/svg%3E")}