/* ═══════════════════════════════════════════════════════════════
   HARDEX INDIA — styles.css
   Single source of truth for all visual decisions.
   Sections: TOKENS → BASE → NAV → FOOTER → COMPONENTS →
             HOMEPAGE → INNER PAGES → RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────────────── */
:root {
  --teal:       #00a99d;
  --teal-light: #00BCD4;
  --teal-dim:   rgba(0,169,157,0.12);
  --navy:       #0d1b26;
  --dark:       #1a1a1a;
  --yellow:     #f0c330;
  --bg-off:     #f9f9f7;
  --border:     rgba(0,0,0,0.08);
  --text:       #2a2a2a;
  --muted:      #888;

  --font-disp:  'Bebas Neue', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --font-mono:  'DM Mono', monospace;

  --nav-h:      72px;
  --max-w:      1200px;
  --r:          8px;
  --r-lg:       12px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.14);
}

/* ── BASE ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.6;
  background: #fff;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-body); cursor: pointer; }

/* ── NAV ─────────────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(13,27,38,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center;
  padding: 0 48px;
}
.nav-logo {
  display: flex; align-items: baseline; gap: 10px;
  flex-shrink: 0;
}
.nav-logo-word {
  font-family: var(--font-disp);
  font-size: 30px; letter-spacing: 0.04em;
  color: #fff;
}
.nav-logo-word em { font-style: normal; color: var(--teal); }
.nav-logo-tag {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
}
.nav-links {
  display: flex; align-items: center; gap: 2px;
  list-style: none; margin-left: auto;
}
.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.65);
  border-radius: 6px;
  transition: color 0.18s, background 0.18s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-links a.active { color: var(--teal); }
.nav-links a.nav-cta {
  background: var(--teal); color: var(--navy);
  font-weight: 700; padding: 9px 22px; margin-left: 8px;
}
.nav-links a.nav-cta:hover { background: #00c4b8; }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  margin-left: auto; background: none; border: none;
  padding: 6px; cursor: pointer;
}
.nav-burger span {
  display: block; width: 22px; height: 2px;
  background: rgba(255,255,255,0.75);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 999;
  background: #0b1720;
  padding: 0 32px;
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-mobile.open { max-height: 400px; padding: 24px 32px 32px; }
.nav-mobile a {
  display: block;
  color: rgba(255,255,255,0.75);
  font-size: 16px; font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.18s;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--teal); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  padding: 80px 48px 0;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; padding-bottom: 64px;
}
.footer-brand .logo-word {
  font-family: var(--font-disp); font-size: 34px;
  letter-spacing: 0.04em; color: #fff;
}
.footer-brand .logo-word em { font-style: normal; color: var(--teal); }
.footer-brand .logo-sub {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.25); margin-top: 4px;
}
.footer-brand p {
  font-size: 13px; line-height: 1.75;
  color: rgba(255,255,255,0.38); margin-top: 16px;
  max-width: 240px;
}
.footer-col h4 {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.28); margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13px; color: rgba(255,255,255,0.5);
  transition: color 0.18s;
}
.footer-col a:hover { color: var(--teal); }
.footer-bottom {
  max-width: var(--max-w); margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 12px; color: rgba(255,255,255,0.25);
}

/* ── SHARED COMPONENTS ───────────────────────────────────────── */

/* Section label */
.sec-label {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.sl-bar {
  width: 28px; height: 3px;
  background: var(--teal); border-radius: 2px; flex-shrink: 0;
}
.sl-txt {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal);
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--navy);
  font-size: 14px; font-weight: 700;
  padding: 14px 28px; border-radius: var(--r);
  border: none; transition: background 0.18s, transform 0.15s;
}
.btn-primary:hover { background: #00c4b8; transform: translateY(-1px); }

.btn-dark {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--dark); color: #fff;
  font-size: 14px; font-weight: 600;
  padding: 14px 28px; border-radius: var(--r);
  border: none; transition: background 0.18s, transform 0.15s;
}
.btn-dark:hover { background: var(--navy); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: rgba(255,255,255,0.72);
  font-size: 14px; font-weight: 500;
  padding: 13px 28px; border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.2);
  transition: border-color 0.18s, color 0.18s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.5); color: #fff; }

/* Cards */
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon { font-size: 30px; margin-bottom: 14px; }
.card h3 {
  font-family: var(--font-disp); font-size: 22px;
  letter-spacing: 0.02em; color: var(--dark); margin-bottom: 8px;
}
.card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.card-link {
  display: inline-block; margin-top: 14px;
  font-size: 13px; font-weight: 600; color: var(--teal);
}

/* Section heading */
.sec-h {
  font-family: var(--font-disp);
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: 0.02em; line-height: 1.05;
  color: var(--dark);
}
.sec-h em { font-style: normal; color: var(--teal); }

/* CTA Banner */
.cta-banner {
  background: var(--navy);
  padding: 96px 48px;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-disp); font-size: clamp(36px, 6vw, 56px);
  letter-spacing: 0.02em; color: #fff; margin-bottom: 14px;
}
.cta-banner p { color: rgba(255,255,255,0.5); font-size: 16px; margin-bottom: 36px; }

/* Pill tags */
.pill {
  display: inline-block;
  padding: 5px 13px;
  border: 1px solid rgba(0,169,157,0.3);
  border-radius: 20px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.04em; color: var(--teal);
}

/* ── HOMEPAGE ────────────────────────────────────────────────── */

/* Hero */
.hero {
  min-height: calc(100vh - var(--nav-h));
  background: var(--navy);
  display: grid; grid-template-columns: 1fr 1fr;
  overflow: hidden;
}
.hero-l {
  padding: 80px 48px 80px 80px;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-kicker {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}
.k-bar { width: 36px; height: 3px; background: var(--teal); border-radius: 2px; }
.k-txt {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.hero-h1 {
  font-family: var(--font-disp);
  font-size: clamp(64px, 8vw, 108px);
  letter-spacing: 0.02em; line-height: 0.96;
  color: #fff; margin-bottom: 28px;
}
.hero-h1 .t { color: var(--teal); display: block; }
.hero-p {
  font-size: 16px; line-height: 1.75;
  color: rgba(255,255,255,0.58);
  max-width: 440px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.h-stat-n {
  font-family: var(--font-disp); font-size: 36px;
  letter-spacing: 0.02em; color: #fff; line-height: 1;
}
.h-stat-n span { color: var(--teal); }
.h-stat-l {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.32); margin-top: 4px;
}

/* Hero right */
.hero-r {
  position: relative;
  background: #0a1a28;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 60px 40px;
  border-left: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
}
.hero-r-eye {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,169,157,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cert-pip {
  position: absolute; top: 28px; right: 28px;
  background: var(--teal); color: var(--navy);
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; text-align: center;
  padding: 10px 14px; border-radius: 6px; line-height: 1.4;
}
.dark-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.22);
  margin-bottom: 20px; align-self: flex-start;
}
.feat-stack {
  display: flex; flex-direction: column; gap: 12px;
  width: 100%; max-width: 340px;
}
.feat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg); padding: 16px 20px;
  display: flex; align-items: center; gap: 14px;
  transition: background 0.2s, border-color 0.2s;
}
.feat-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(0,169,157,0.3); }
.feat-icon { font-size: 26px; flex-shrink: 0; }
.feat-name {
  font-family: var(--font-disp); font-size: 16px;
  letter-spacing: 0.04em; color: #fff;
}
.feat-desc { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 2px; line-height: 1.4; }
.feat-tag {
  margin-left: auto; flex-shrink: 0;
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); border: 1px solid rgba(0,169,157,0.3);
  padding: 3px 7px; border-radius: 4px;
}

/* Trust ticker */
.trust {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 18px 0; overflow: hidden;
}
.trust-inner {
  display: flex; gap: 0;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.t-item {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0 32px; flex-shrink: 0;
}
.t-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--teal); flex-shrink: 0; }
.t-txt {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
}

/* About section */
.sec { padding: 0; }
.about { display: grid; grid-template-columns: 1fr 1.4fr; }
.about-dark {
  background: var(--navy); padding: 80px 60px;
  display: flex; flex-direction: column; justify-content: center;
}
.about-big-n {
  font-family: var(--font-disp); font-size: 96px;
  letter-spacing: 0.02em; color: var(--teal); line-height: 1;
}
.about-big-l {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.3); margin-top: 4px; margin-bottom: 48px;
}
.about-stat-row { display: flex; gap: 32px; flex-wrap: wrap; }
.as-n { font-family: var(--font-disp); font-size: 30px; letter-spacing: 0.02em; color: #fff; }
.as-n span { color: var(--teal); }
.as-l {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.3); margin-top: 2px;
}

.about-light { padding: 80px 60px; display: flex; flex-direction: column; justify-content: center; }
.about-text {
  font-size: 15px; line-height: 1.8; color: #555; margin-bottom: 16px;
  max-width: 520px;
}
.about-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }

/* Solutions section */
.solutions { background: var(--bg-off); padding: 96px 80px; }
.sol-header {
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 40px; margin-bottom: 48px;
}
.sec-sub { font-size: 15px; color: var(--muted); max-width: 340px; line-height: 1.7; }
.sol-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.sol-card-link { text-decoration: none; display: block; }
.sol-card {
  background: #fff; border-radius: var(--r-lg);
  padding: 28px; border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.sol-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--teal-dim); }
.sol-icon-svg { width: 36px; height: 36px; color: var(--teal); margin-bottom: 16px; }
.sol-name {
  font-family: var(--font-disp); font-size: 20px;
  letter-spacing: 0.02em; color: var(--dark); margin-bottom: 8px;
}
.sol-desc { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* Contact section */
.contact { background: #fff; padding: 96px 80px; }
.contact-wrapper { max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: start; }
.contact-left { }
.contact-text { font-size: 15px; color: var(--muted); line-height: 1.75; margin-bottom: 36px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.contact-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 3px;
}
.contact-value { font-size: 14px; color: var(--dark); font-weight: 500; }
.contact-value a { color: var(--teal); }

.contact-form {
  display: flex; flex-direction: column; gap: 14px;
}
.form-group { display: flex; flex-direction: column; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r); font-family: var(--font-body);
  font-size: 14px; color: var(--dark); background: #fff;
  outline: none; transition: border-color 0.18s, box-shadow 0.18s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,169,157,0.1);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.btn-submit {
  background: var(--teal); color: var(--navy);
  border: none; padding: 15px 28px;
  border-radius: var(--r); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: background 0.18s, transform 0.15s;
}
.btn-submit:hover { background: #00c4b8; transform: translateY(-1px); }

/* ── PRODUCTS PAGE ───────────────────────────────────────────── */
.products-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0f2233 100%);
  padding: 80px 80px 72px;
}
.products-hero-content { max-width: var(--max-w); margin: 0 auto; }
.products-hero-title {
  font-family: var(--font-disp);
  font-size: clamp(56px, 8vw, 96px);
  letter-spacing: 0.02em; line-height: 1; color: #fff;
  margin-bottom: 16px;
}
.products-hero-text {
  font-size: 15px; color: rgba(255,255,255,0.5);
  max-width: 500px; line-height: 1.75;
}
.products-catalog { padding: 0 80px 96px; max-width: calc(var(--max-w) + 160px); margin: 0 auto; }

/* Product category blocks */
.cat-block { margin-bottom: 72px; }
.cat-header {
  display: flex; align-items: baseline; gap: 16px;
  padding: 32px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.cat-name {
  font-family: var(--font-disp); font-size: 32px;
  letter-spacing: 0.02em; color: var(--dark);
}
.cat-count {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; color: var(--muted);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.product-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  cursor: pointer; display: block; text-decoration: none; color: inherit;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: rgba(0,169,157,0.2); }
.product-card.featured { border-color: rgba(0,169,157,0.3); background: linear-gradient(135deg, #fff 0%, rgba(0,169,157,0.03) 100%); }
.pc-icon { font-size: 28px; margin-bottom: 12px; }
.pc-meta {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.pc-name {
  font-family: var(--font-disp); font-size: 18px;
  letter-spacing: 0.03em; color: var(--dark); margin-bottom: 8px;
  line-height: 1.2;
}
.pc-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 16px; }
.pc-footer {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.pc-tds, .pc-msds {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 4px; font-weight: 600;
  transition: background 0.18s;
}
.pc-tds { background: rgba(0,169,157,0.1); color: var(--teal); }
.pc-tds:hover { background: rgba(0,169,157,0.2); }
.pc-msds { background: rgba(240,195,48,0.1); color: #b8920a; }
.pc-msds:hover { background: rgba(240,195,48,0.2); }
.pc-view {
  margin-left: auto; font-size: 12px; font-weight: 600;
  color: var(--teal);
}
.featured-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--teal); color: var(--navy);
  padding: 3px 8px; border-radius: 4px; font-weight: 700;
  margin-bottom: 10px;
}

/* ── INNER PAGES ─────────────────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #102030 60%, #1a2e3d 100%);
  padding: 80px 48px 72px; text-align: center;
}
.page-hero h1 {
  font-family: var(--font-disp);
  font-size: clamp(48px, 8vw, 88px);
  letter-spacing: 0.02em; color: #fff; line-height: 1; margin-bottom: 18px;
}
.page-hero h1 em { font-style: normal; color: var(--teal); }
.page-hero p {
  max-width: 560px; margin: 0 auto;
  color: rgba(255,255,255,0.55); font-size: 16px; line-height: 1.75;
}

.breadcrumb {
  max-width: var(--max-w); margin: 0 auto; padding: 16px 48px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--muted);
}
.breadcrumb a { color: var(--teal); }
.breadcrumb span { margin: 0 8px; color: rgba(0,0,0,0.2); }

.page-section {
  max-width: var(--max-w); margin: 80px auto; padding: 0 48px;
}
.page-section h2 {
  font-family: var(--font-disp); font-size: 44px;
  letter-spacing: 0.02em; margin-bottom: 12px;
}
.page-section h2 em { font-style: normal; color: var(--teal); }
.section-desc {
  color: var(--muted); font-size: 16px; line-height: 1.75;
  margin-bottom: 40px; max-width: 580px;
}

/* Metrics bar */
.metrics-bar {
  background: var(--navy);
  display: flex; justify-content: center;
  gap: 80px; padding: 56px 48px; flex-wrap: wrap;
}
.metric-item { text-align: center; }
.metric-value {
  font-family: var(--font-disp); font-size: 52px;
  letter-spacing: 0.02em; color: var(--teal); line-height: 1;
}
.metric-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-top: 8px;
}

/* Timeline */
.timeline { position: relative; margin-top: 40px; }
.timeline::before {
  content: ''; position: absolute;
  left: 64px; top: 0; bottom: 0;
  width: 1px; background: rgba(0,0,0,0.07);
}
.timeline-item {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 32px; padding: 0 0 48px 32px; position: relative;
}
.timeline-item::before {
  content: ''; position: absolute;
  left: 60px; top: 8px;
  width: 10px; height: 10px;
  border-radius: 50%; background: var(--teal);
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--teal); z-index: 1;
}
.timeline-year {
  font-family: var(--font-disp); font-size: 18px;
  letter-spacing: 0.02em; color: var(--teal);
  text-align: right; padding-top: 2px;
}
.timeline-item h3 {
  font-family: var(--font-disp); font-size: 24px;
  letter-spacing: 0.02em; color: var(--dark); margin-bottom: 8px;
}
.timeline-item p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* Card grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(256px,1fr)); gap: 22px; }

/* Contact page specific */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 80px; align-items: start;
}
.contact-info-item { margin-bottom: 32px; }
.contact-info-item h3 {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 7px;
}
.contact-info-item p { font-size: 15px; color: var(--dark); line-height: 1.75; }
.contact-form-page {
  display: flex; flex-direction: column; gap: 14px;
}
.contact-form-page input,
.contact-form-page select,
.contact-form-page textarea {
  width: 100%; padding: 13px 16px;
  border: 1px solid var(--border); border-radius: var(--r);
  font-family: var(--font-body); font-size: 14px;
  color: var(--dark); background: #fff;
  outline: none; transition: border-color 0.18s, box-shadow 0.18s;
}
.contact-form-page input:focus,
.contact-form-page select:focus,
.contact-form-page textarea:focus {
  border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,169,157,0.1);
}
.contact-form-page textarea { resize: vertical; min-height: 120px; }

/* Dealer page */
.dealer-search {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px;
}
.dealer-search select,
.dealer-search input {
  padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--r); font-family: var(--font-body);
  font-size: 13px; color: var(--dark); background: #fff; outline: none;
}
.dealer-search select:focus, .dealer-search input:focus { border-color: var(--teal); }
.dealer-search input { flex: 1; min-width: 200px; }
.dealer-card {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 24px; border: 1px solid var(--border); border-radius: var(--r-lg);
  margin-bottom: 12px; background: #fff;
  transition: box-shadow 0.18s;
}
.dealer-card:hover { box-shadow: var(--shadow-sm); }
.dealer-name {
  font-family: var(--font-disp); font-size: 22px;
  letter-spacing: 0.02em; color: var(--dark); margin-bottom: 6px;
}
.dealer-meta { font-size: 13px; color: var(--muted); line-height: 1.75; }
.dealer-meta a { color: var(--teal); }
.dealer-badge {
  display: inline-block; padding: 4px 10px;
  background: var(--teal-dim); color: var(--teal);
  border-radius: 4px; font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 500;
}

/* Downloads page */
.downloads-filter {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px;
}
.filter-btn {
  padding: 8px 16px; border: 1px solid var(--border);
  border-radius: 6px; background: #fff;
  font-family: var(--font-body); font-size: 12px;
  font-weight: 500; color: var(--muted); cursor: pointer;
  transition: border-color 0.18s, color 0.18s, background 0.18s;
}
.filter-btn:hover { border-color: var(--teal); color: var(--teal); }
.filter-btn.active { background: var(--teal); border-color: var(--teal); color: #fff; }
.downloads-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.downloads-table thead th {
  background: var(--navy); color: rgba(255,255,255,0.6);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 16px; text-align: left; font-weight: 500;
}
.downloads-table tbody td {
  padding: 13px 16px; border-bottom: 1px solid var(--border);
  color: var(--dark); vertical-align: middle;
}
.downloads-table tbody tr:hover { background: #fafaf8; }
.dl-link { font-weight: 600; color: var(--teal); font-size: 13px; }
.dl-link:hover { text-decoration: underline; }

/* Product detail page */
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}
.product-detail-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal); border: 1px solid rgba(0,169,157,0.3);
  padding: 5px 11px; border-radius: 4px; margin-bottom: 16px;
}
.product-detail-name {
  font-family: var(--font-disp); font-size: clamp(36px, 5vw, 60px);
  letter-spacing: 0.02em; line-height: 1; color: var(--dark); margin-bottom: 16px;
}
.product-detail-desc {
  font-size: 16px; color: var(--muted); line-height: 1.75; margin-bottom: 32px;
}
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 32px; }
.spec-table th, .spec-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-size: 13px; text-align: left;
}
.spec-table th {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); font-weight: 500; background: var(--bg-off);
}
.spec-table td { color: var(--dark); }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* Solution detail page */
.solution-challenges { list-style: none; }
.solution-challenges li {
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text);
  display: flex; align-items: center; gap: 10px;
}
.solution-challenges li::before {
  content: '→'; color: var(--teal); font-size: 12px; flex-shrink: 0;
}

/* About pills */
.about-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }

/* ── TDS/MSDS system ─────────────────────────────────────────── */
.tds-container {
  max-width: 900px; margin: 40px auto; padding: 0 32px;
  font-family: var(--font-body);
}
.tds-header {
  background: var(--navy); color: #fff;
  padding: 40px 48px; border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.tds-product-code {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 8px;
}
.tds-product-name {
  font-family: var(--font-disp); font-size: 52px;
  letter-spacing: 0.02em; line-height: 1; margin-bottom: 12px;
}
.tds-type-badge {
  display: inline-block; padding: 5px 12px;
  border-radius: 4px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 700;
}
.tds-type-badge.tds { background: var(--teal); color: var(--navy); }
.tds-type-badge.msds { background: var(--yellow); color: var(--navy); }
.tds-body { background: #fff; border: 1px solid var(--border); padding: 40px 48px; }
.tds-section { margin-bottom: 40px; }
.tds-section-title {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.tds-table { width: 100%; border-collapse: collapse; }
.tds-table tr { border-bottom: 1px solid var(--border); }
.tds-table td { padding: 10px 12px; font-size: 13px; }
.tds-table td:first-child { color: var(--muted); width: 40%; font-weight: 500; }
.tds-print-btn {
  background: var(--teal); color: var(--navy); border: none;
  padding: 12px 24px; border-radius: var(--r);
  font-family: var(--font-body); font-size: 14px; font-weight: 700;
  cursor: pointer; margin-top: 24px;
  display: inline-flex; align-items: center; gap: 8px;
}
.tds-print-btn:hover { background: #00c4b8; }
.tds-not-found {
  text-align: center; padding: 80px 40px;
  font-size: 18px; color: var(--muted);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-r { display: none; }
  .hero-l { padding: 60px 48px; }
  .sol-grid { grid-template-columns: repeat(2,1fr); }
  .solutions { padding: 72px 48px; }
  .contact { padding: 72px 48px; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 48px; }
  .about { grid-template-columns: 1fr; }
  .about-dark, .about-light { padding: 60px 48px; }
  .products-hero, .products-catalog { padding-left: 48px; padding-right: 48px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .site-nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .page-hero { padding: 72px 24px 56px; }
  .page-hero h1 { font-size: 52px; }
  .breadcrumb { padding: 14px 24px; }
  .page-section { margin: 56px auto; padding: 0 24px; }

  .hero-l { padding: 48px 24px 60px; }
  .hero-h1 { font-size: 72px; }
  .solutions, .contact { padding: 64px 24px; }
  .sol-grid { grid-template-columns: 1fr; }
  .sol-header { flex-direction: column; gap: 20px; }

  .footer { padding: 60px 24px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }

  .metrics-bar { gap: 40px; padding: 40px 24px; }
  .metric-value { font-size: 44px; }

  .timeline::before { left: 48px; }
  .timeline-item { grid-template-columns: 48px 1fr; gap: 20px; }
  .timeline-year { font-size: 15px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail-name { font-size: 44px; }

  .dealer-card { flex-direction: column; gap: 16px; }
  .downloads-table { font-size: 12px; }
  .downloads-table th, .downloads-table td { padding: 10px 10px; }

  .cta-banner { padding: 64px 24px; }
  .cta-banner h2 { font-size: 36px; }

  .products-hero { padding: 60px 24px 48px; }
  .products-catalog { padding: 0 24px 64px; }

  .tds-container { padding: 0 16px; }
  .tds-header { padding: 28px 24px; }
  .tds-product-name { font-size: 36px; }
  .tds-body { padding: 28px 24px; }
}

@media print {
  .site-nav, .nav-mobile, .cta-banner, .footer, .tds-print-btn, .breadcrumb { display: none !important; }
  body { padding-top: 0; }
  .tds-container { max-width: 100%; margin: 0; padding: 0; }
  .tds-header { border-radius: 0; }
}