/* =========================================================================
   T-Max International Trading — design system
   Concept: mill certificate / material data sheet.
   ========================================================================= */

:root {
  /* palette — drawn from polyethylene film */
  --film:     #EBEEF0;   /* page ground — cool near-white */
  --sheet:    #FFFFFF;   /* the spec sheet: cards, tables */
  --resin:    #8B9399;   /* mid grey — labels, secondary */
  --resin-dk: #5C646B;   /* darker resin for readable secondary text */
  --ink:      #13171A;   /* near-black, cool */
  --hairline: #D2D8DC;   /* every rule, tick, gridline */
  --mark:     #1256E0;   /* the one saturated colour */
  --mark-dk:  #0E45B0;   /* hover/active */
  --mark-wash:#EAF0FE;   /* faint mark tint for fills */

  --font-display: 'Saira Condensed', 'Arial Narrow', system-ui, sans-serif;
  --font-body:    'Saira', system-ui, -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;

  --wrap: 1180px;

  /* spacing */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px;
}

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

html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--film);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--s5); }

/* --- shared type devices ------------------------------------------------- */
.label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--resin);
}
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.04;
  letter-spacing: -0.005em; }
h2 { font-size: clamp(26px, 3.2vw, 34px); text-transform: uppercase; letter-spacing: 0.01em; }
h3 { font-size: 20px; text-transform: uppercase; letter-spacing: 0.02em; }

/* section rhythm */
section { padding: var(--s9) 0; border-top: 1px solid var(--hairline); }
.section-head { display: flex; align-items: baseline; gap: var(--s4);
  margin-bottom: var(--s7); flex-wrap: wrap; }
.section-head .idx { font-family: var(--font-mono); color: var(--mark);
  font-size: 13px; letter-spacing: 0.1em; }

/* --- buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 13px 22px; border: 1px solid var(--mark);
  color: #fff; background: var(--mark);
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--mark-dk); border-color: var(--mark-dk); }
.btn.ghost { background: transparent; color: var(--mark); }
.btn.ghost:hover { background: var(--mark-wash); }

.textlink { color: var(--mark); font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.04em; border-bottom: 1px solid transparent; }
.textlink:hover { border-bottom-color: var(--mark); }

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(235,238,240,0.92);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--hairline);
}
.header-in { display: flex; align-items: stretch; justify-content: space-between;
  gap: var(--s5); min-height: 68px; }

.brand { display: flex; flex-direction: column; justify-content: center; line-height: 1; }
.brand-mark { font-family: var(--font-display); font-weight: 700; font-size: 26px;
  letter-spacing: 0.02em; color: var(--ink); }
.brand-mark b { color: var(--mark); font-weight: 700; }
.brand-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.24em;
  color: var(--resin); text-transform: uppercase; margin-top: 3px; }

.nav { display: flex; align-items: stretch; }
.nav > ul { display: flex; list-style: none; }
.nav > ul > li { position: relative; display: flex; align-items: center; }
.nav > ul > li > a { display: flex; align-items: center; height: 100%; padding: 0 var(--s4);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--ink); border-bottom: 2px solid transparent; }
.nav > ul > li:hover > a,
.nav > ul > li:focus-within > a { color: var(--mark); border-bottom-color: var(--mark); }

.nav-panel {
  position: absolute; top: 100%; left: 0; min-width: 240px;
  background: var(--sheet); border: 1px solid var(--hairline); border-top: 2px solid var(--mark);
  padding: var(--s2) 0; opacity: 0; visibility: hidden; transform: translateY(4px);
  transition: opacity .14s ease, transform .14s ease, visibility .14s;
  box-shadow: 0 12px 30px -18px rgba(19,23,26,0.4);
}
.nav > ul > li:hover .nav-panel,
.nav > ul > li:focus-within .nav-panel { opacity: 1; visibility: visible; transform: none; }
.nav-panel a { display: block; padding: 9px var(--s5); font-size: 14px; color: var(--resin-dk); }
.nav-panel a small { display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--resin); text-transform: uppercase; }
.nav-panel a:hover { background: var(--mark-wash); color: var(--ink); }

.header-meta { display: flex; flex-direction: column; justify-content: center;
  text-align: right; line-height: 1.3; }
.header-meta .m1 { font-family: var(--font-mono); font-size: 12px; color: var(--resin); letter-spacing: .06em; }
.header-meta .m2 { font-family: var(--font-mono); font-size: 14px; color: var(--ink); font-weight: 500; }

.nav-toggle { display: none; align-items: center; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); background: transparent;
  border: 1px solid var(--hairline); padding: 8px 12px; cursor: pointer; }
.nav-toggle:hover { border-color: var(--mark); color: var(--mark); }

/* =========================================================================
   Hero
   ========================================================================= */
.hero { border-top: none; padding-top: var(--s8); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--s8); align-items: center; }
.hero h1 { font-size: clamp(40px, 5.4vw, 74px); margin: var(--s4) 0 var(--s5); }
.hero p.lead { font-size: 19px; color: var(--resin-dk); max-width: 34em; margin-bottom: var(--s6); }
.hero-cta { display: flex; gap: var(--s4); align-items: center; flex-wrap: wrap; }

.hero-media { position: relative; }
.hero-media img { width: 100%; border: 1px solid var(--hairline); background: var(--sheet); }
.hero-media .cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--resin); text-transform: uppercase; margin-top: var(--s3);
  display: flex; justify-content: space-between; }

/* figure row */
.figs { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: var(--s8);
  border: 1px solid var(--hairline); background: var(--sheet); }
.fig { padding: var(--s5); border-right: 1px solid var(--hairline); }
.fig:last-child { border-right: none; }
.fig .n { font-family: var(--font-display); font-weight: 700; font-size: 42px; line-height: 1;
  color: var(--ink); display: flex; align-items: baseline; gap: 4px; }
.fig .n u { font-family: var(--font-mono); font-size: 15px; font-weight: 500; text-decoration: none;
  color: var(--mark); }
.fig .k { margin-top: var(--s3); }

/* =========================================================================
   Gauge scale — the signature
   ========================================================================= */
.gauge .gauge-frame { border: 1px solid var(--hairline); background: var(--sheet); padding: var(--s7); }
.gauge-svg { width: 100%; height: auto; display: block; }
.gauge-svg text { font-family: var(--font-mono); fill: var(--ink); }
.gauge-svg .tnum { fill: var(--ink); }
.gauge-svg .lbl { fill: var(--resin); letter-spacing: 0.1em; }
.gauge-span { transform-box: fill-box; transform-origin: left center; }
.gauge.reveal .gauge-span { transform: scaleX(0); }
.gauge.in .gauge-span { transform: scaleX(1); transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }

.gauge-legend { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  background: var(--hairline); border: 1px solid var(--hairline); margin-top: var(--s6); }
.gauge-legend div { background: var(--sheet); padding: var(--s4) var(--s5); min-width: 0; overflow-wrap: anywhere; }
.gauge-legend .fam { font-family: var(--font-body); font-weight: 600; font-size: 14px;
  text-transform: uppercase; letter-spacing: 0.02em; }
.gauge-legend .rng { font-family: var(--font-mono); font-size: 14px; color: var(--mark); margin-top: 3px; }

/* =========================================================================
   Products
   ========================================================================= */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--hairline); border: 1px solid var(--hairline); }
.p-tile { background: var(--sheet); padding: var(--s5); display: flex; flex-direction: column;
  transition: background .15s ease; }
.p-tile:hover { background: var(--mark-wash); }
.p-media { aspect-ratio: 1/1; background: #fff; border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center; overflow: hidden; }
.p-media img { width: 100%; height: 100%; object-fit: contain; }
.p-tile .p-name { font-family: var(--font-display); font-weight: 700; font-size: 21px;
  text-transform: uppercase; margin-top: var(--s4); }
.p-tile .p-sub { font-family: var(--font-mono); font-size: 12.5px; color: var(--resin-dk);
  letter-spacing: 0.02em; margin-top: 4px; }
.p-tile .p-go { margin-top: auto; padding-top: var(--s4); color: var(--mark);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }

/* =========================================================================
   Capability
   ========================================================================= */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); }
.cap-card { border: 1px solid var(--hairline); background: var(--sheet); }
.cap-card img { width: 100%; aspect-ratio: 3/2; object-fit: cover; border-bottom: 1px solid var(--hairline); }
.cap-body { padding: var(--s5); }
.cap-body h3 { margin-bottom: var(--s2); }
.cap-body p { color: var(--resin-dk); font-size: 15.5px; }
.cap-body .p-go { color: var(--mark); font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.06em; text-transform: uppercase; display: inline-block; margin-top: var(--s3); }

/* =========================================================================
   Compliance strip
   ========================================================================= */
.compliance { background: var(--ink); color: #E7EAED; border-top: none; }
.compliance .wrap { display: grid; grid-template-columns: auto 1fr auto; gap: var(--s6); align-items: center; }
.compliance .label { color: var(--mark); }
.compliance p { font-size: 16px; color: #C9CED3; max-width: 60ch; }
.compliance .textlink { color: #fff; border-bottom-color: rgba(255,255,255,.4); white-space: nowrap; }

/* =========================================================================
   Contact CTA
   ========================================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: var(--s7); align-items: start; }
.addr { }
.addr .who { font-family: var(--font-display); font-weight: 700; font-size: 20px; text-transform: uppercase; }
.addr .rows { margin-top: var(--s3); }
.addr .rows div { font-family: var(--font-mono); font-size: 14px; color: var(--resin-dk); line-height: 1.9; }
.addr .rows .hot { color: var(--ink); }
.mark-note { color: var(--mark); }

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer { background: var(--film); border-top: 1px solid var(--hairline); padding: var(--s8) 0 var(--s6); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s6); }
.foot-brand .brand-mark { font-size: 24px; }
.foot-brand p { font-size: 13px; color: var(--resin-dk); margin-top: var(--s3); max-width: 30ch; }
.foot-col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--resin); margin-bottom: var(--s3); }
.foot-col a { display: block; font-size: 14px; color: var(--resin-dk); padding: 4px 0; }
.foot-col a:hover { color: var(--mark); }
.foot-bar { border-top: 1px solid var(--hairline); margin-top: var(--s7); padding-top: var(--s5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s3);
  font-family: var(--font-mono); font-size: 12px; color: var(--resin); }
.foot-bar a.parent { color: var(--ink); border-bottom: 1px solid var(--mark); }

/* =========================================================================
   Reveal
   ========================================================================= */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .gauge .gauge-span { transform: none !important; transition: none !important; }
  .site-header { backdrop-filter: none; }
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s6); }
  .figs { grid-template-columns: repeat(2, 1fr); }
  .fig:nth-child(2) { border-right: none; }
  .fig:nth-child(1), .fig:nth-child(2) { border-bottom: 1px solid var(--hairline); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .gauge-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-grid { grid-template-columns: 1fr; }
  .compliance .wrap { grid-template-columns: 1fr; gap: var(--s4); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--s6); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  section { padding: var(--s8) 0; }
  .header-meta { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-in { flex-wrap: wrap; align-items: center; min-height: 60px; }
  .nav { display: none; flex-basis: 100%; }
  .site-header.open .nav { display: block; padding-bottom: var(--s4);
    max-height: calc(100vh - 60px); max-height: calc(100dvh - 60px);
    overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
  html.nav-locked, html.nav-locked body { overflow: hidden; height: 100%; }
  .gauge .gauge-frame { padding: var(--s5); }
  .gauge-legend { grid-template-columns: minmax(0, 1fr); margin-top: var(--s5); }
  .gauge-legend div { padding: var(--s3) var(--s4); }
  .nav > ul { flex-direction: column; }
  .nav > ul > li { display: block; }
  .nav > ul > li > a { height: auto; padding: 12px 0; border-bottom: 1px solid var(--hairline); }
  .nav > ul > li:hover > a, .nav > ul > li:focus-within > a { border-bottom-color: var(--hairline); }
  .nav-panel { position: static; opacity: 1; visibility: visible; transform: none;
    border: none; box-shadow: none; padding: 4px 0 var(--s3) var(--s4); min-width: 0; }
  .nav-panel a { padding: 8px 0; }
  .products-grid { grid-template-columns: 1fr; }
  .figs { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   Interior page components
   ========================================================================= */
a:focus-visible, .btn:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--mark); outline-offset: 2px;
}

/* breadcrumb */
.breadcrumb { padding-top: var(--s5); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--resin); }
.breadcrumb a { color: var(--resin); }
.breadcrumb a:hover { color: var(--mark); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--hairline); }
.breadcrumb [aria-current] { color: var(--ink); }

/* interior page header */
.page-head { padding: var(--s7) 0 var(--s8); border-bottom: 1px solid var(--hairline); }
.page-head .label { display: block; margin-bottom: var(--s4); }
.page-head h1 { font-size: clamp(34px, 4.6vw, 58px); max-width: 20ch; }
.page-head p.intro { font-size: 19px; color: var(--resin-dk); max-width: 62ch; margin-top: var(--s5); }

/* prose / rich text */
.prose { max-width: 68ch; }
.prose p { margin-bottom: var(--s5); }
.prose p.muted, .prose .muted { color: var(--resin-dk); }
.prose h2 { font-size: clamp(22px, 2.6vw, 28px); margin: var(--s8) 0 var(--s4); }
.prose h3 { margin: var(--s6) 0 var(--s3); }
.prose ul { margin: 0 0 var(--s5) 1.1em; }
.prose li { margin-bottom: var(--s2); }
.prose a { color: var(--mark); border-bottom: 1px solid var(--mark); }
.prose .sign { font-family: var(--font-mono); font-size: 13px; color: var(--resin-dk); margin-top: var(--s6); }

/* facts table */
.facts { width: 100%; border: 1px solid var(--hairline); background: var(--sheet);
  border-collapse: collapse; margin: var(--s6) 0; }
.facts th, .facts td { text-align: left; padding: var(--s4) var(--s5);
  border-bottom: 1px solid var(--hairline); vertical-align: top; }
.facts tr:last-child th, .facts tr:last-child td { border-bottom: none; }
.facts th { width: 40%; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--resin); font-weight: 500; }
.facts td { font-family: var(--font-mono); font-size: 15px; color: var(--ink); font-variant-numeric: tabular-nums; }

/* children grid (landing pages) */
.child-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--hairline); border: 1px solid var(--hairline); }
.child-grid a { background: var(--sheet); padding: var(--s6) var(--s5); display: flex;
  flex-direction: column; gap: var(--s2); transition: background .15s ease; }
.child-grid a:hover { background: var(--mark-wash); }
.child-grid .cnum { font-family: var(--font-mono); font-size: 12px; color: var(--mark); letter-spacing: 0.08em; }
.child-grid .cname { font-family: var(--font-display); font-weight: 700; font-size: 22px; text-transform: uppercase; }
.child-grid .cdesc { font-size: 14.5px; color: var(--resin-dk); }
.child-grid .p-go { margin-top: var(--s3); color: var(--mark); font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }

/* product spec cards */
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s5); }
.spec-card { border: 1px solid var(--hairline); background: var(--sheet);
  display: grid; grid-template-columns: 280px minmax(0, 1fr); min-width: 0; }
.spec-card .sc-media { border-right: 1px solid var(--hairline); background: #fff;
  display: flex; align-items: center; justify-content: center; padding: var(--s4); }
.spec-card .sc-media img { width: 100%; height: 100%; object-fit: contain; max-height: 260px; }
.spec-card .sc-body { padding: var(--s5); min-width: 0; }
.spec-card .sc-name { font-family: var(--font-display); font-weight: 700; font-size: 20px; text-transform: uppercase; }
.spec-card .sc-spec { font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  color: var(--resin-dk); white-space: pre-wrap; overflow-wrap: anywhere; margin-top: var(--s3); }
.spec-card .lowres { display: inline-block; margin-top: var(--s3); font-family: var(--font-mono);
  font-size: 11px; color: var(--resin); }

/* form */
.form { max-width: 640px; display: grid; gap: var(--s4); position: relative; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); }
.form label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--resin); display: block; margin-bottom: 6px; }
.form input, .form textarea { width: 100%; font-family: var(--font-body); font-size: 16px;
  color: var(--ink); background: var(--sheet); border: 1px solid var(--hairline); padding: 12px 14px; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* info grid + gallery */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s7); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
.gallery figure { border: 1px solid var(--hairline); background: var(--sheet); }
.gallery img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.gallery figcaption { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--resin); padding: 8px 10px; text-transform: uppercase; }

@media (max-width: 900px) {
  .child-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; gap: var(--s6); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .spec-card { grid-template-columns: 1fr; }
  .spec-card .sc-media { border-right: none; border-bottom: 1px solid var(--hairline); }
  .form .row2 { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
}

/* personal contact block (/contact/info/) — uses existing tokens, no new card/shadow */
.person { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--s6); align-items: start;
  margin-bottom: var(--s7); }
.person-photo { margin: 0; }
.person-photo img { width: 100%; height: auto; display: block; border: 1px solid var(--hairline);
  background: var(--sheet); }
.person-body .who { font-family: var(--font-display); font-weight: 700; font-size: 22px;
  text-transform: uppercase; line-height: 1.05; }
.person-body .role { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--mark); margin-top: 5px; }
.person-body .affil { font-family: var(--font-mono); font-size: 13px; color: var(--resin-dk);
  line-height: 1.7; margin-top: var(--s3); }
.person-body .person-intro { font-size: 16px; color: var(--ink); line-height: 1.6;
  margin: var(--s4) 0; max-width: 54ch; }
.person-body .rows div { font-family: var(--font-mono); font-size: 14px; color: var(--resin-dk);
  line-height: 1.9; }
.person-body .rows .hot { color: var(--ink); }
.person-body .rows a { color: inherit; border-bottom: 1px solid transparent; }
.person-body .rows a:hover { color: var(--mark); border-bottom-color: var(--mark); }
.person > * { min-width: 0; }
.person-body .affil, .person-body .person-intro, .person-body .rows div { overflow-wrap: anywhere; }

@media (max-width: 720px) {
  .person { grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
  .person-photo { max-width: 220px; }
}