/* ============================================================
   GREEN RUBBER — Premium Industrial B2B Website
   Design system: green + gold, Poppins, generous whitespace
   ============================================================ */

:root {
  --green-primary: #2C5C2C;
  --green-dark: #1E3F1E;
  --green-darkest: #143014;
  --gold: #C9A72D;
  --gold-soft: #d9bd55;
  --green-tint: #eef3ec;
  --off-white: #f7f9f6;
  --grey-bg: #f2f4f1;
  --grey-100: #e7ebe6;
  --grey-line: #e2e6e0;
  --text: #23291f;
  --text-soft: #5a6355;
  --text-mute: #8b9184;
  --white: #ffffff;

  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(20, 48, 20, 0.06);
  --shadow-md: 0 12px 30px rgba(20, 48, 20, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 48, 20, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.18;
  color: var(--green-darkest);
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  position: relative;
}
.eyebrow.center { display: block; text-align: center; }
.eyebrow.center::before,
.eyebrow.center::after {
  content: '';
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 12px;
}

.accent { color: var(--gold); font-style: italic; }

.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }
.section-grey { background: var(--grey-bg); }
.section-tint { background: var(--green-tint); }
.section-dark { background: var(--green-darkest); color: rgba(255,255,255,0.85); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }

.section-head { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.section-head p { color: var(--text-soft); font-size: 17px; }
.section-dark .section-head p { color: rgba(255,255,255,0.75); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #b8961f; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(201,167,45,0.32); }
.btn-green { background: var(--green-primary); color: #fff; }
.btn-green:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.55); }
.btn-outline:hover { background: #fff; color: var(--green-darkest); border-color: #fff; }
.btn-outline-green { background: transparent; color: var(--green-primary); border-color: var(--green-primary); }
.btn-outline-green:hover { background: var(--green-primary); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 17px 38px; font-size: 15.5px; }

/* ============================================================
   HEADER
   ============================================================ */
.topbar {
  background: var(--green-darkest);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.topbar a { color: rgba(255,255,255,0.8); transition: color 0.2s; }
.topbar a:hover { color: var(--gold); }
.topbar-right { display: flex; gap: 22px; align-items: center; }
.topbar-right .sep { color: rgba(255,255,255,0.25); }
.topbar .gold-text { color: var(--gold); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--grey-line);
  transition: box-shadow 0.3s, padding 0.3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 82px; transition: height 0.3s; }
.site-header.scrolled .header-inner { height: 68px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; transition: height 0.3s; }
.site-header.scrolled .brand img { height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; padding-left: 12px; margin-left: 2px; border-left: 1px solid var(--grey-line); }
.brand-text span { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-mute); max-width: 100px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 18px;
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  border-radius: 6px;
  transition: all 0.2s;
  position: relative;
}
.main-nav a::after {
  content: ''; position: absolute; left: 18px; right: 18px; bottom: 4px;
  height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--green-primary); }

.header-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--green-darkest); margin: 5px 0; transition: 0.3s; }

/* ============================================================
   FLOATING CONTACT BUTTONS
   ============================================================ */
.floating-contacts {
  position: fixed; right: 18px; bottom: 24px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.floating-contacts a {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: var(--shadow-md);
  transition: transform 0.2s, box-shadow 0.2s;
}
.floating-contacts a:hover { transform: scale(1.08) translateY(-2px); box-shadow: var(--shadow-lg); }
.fc-whatsapp { background: #25D366; }
.fc-call { background: var(--green-primary); }
.fc-email { background: var(--gold); }
.floating-contacts svg { width: 24px; height: 24px; fill: #fff; }


/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  position: relative; background: var(--green-darkest);
  padding: clamp(60px, 8vw, 96px) 0 clamp(50px, 7vw, 78px);
  text-align: center; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(201,167,45,0.12), transparent 45%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4.6vw, 50px); margin-bottom: 16px; }
.breadcrumb { color: rgba(255,255,255,0.7); font-size: 14.5px; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { margin: 0 10px; color: var(--gold); }
.breadcrumb .current { color: var(--gold); }

/* ============================================================
   WHY CHOOSE — icon cards
   ============================================================ */
.card-grid { display: grid; gap: 26px; }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }

.feature-card {
  background: #fff; border: 1px solid var(--grey-line);
  border-radius: var(--radius); padding: 32px 26px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--green-tint); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; transition: 0.3s;
}
.feature-card:hover .feature-icon { background: var(--green-primary); color: #fff; }
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--text-soft); font-size: 14.5px; }

/* ============================================================
   ABOUT PREVIEW — split
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 66px); align-items: center; }
.split-img { position: relative; }
.split-img img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; }
.split-img .badge-float {
  position: absolute; bottom: -22px; left: -22px;
  background: var(--gold); color: #fff; padding: 18px 24px;
  border-radius: var(--radius); box-shadow: var(--shadow-md);
}
.split-img .badge-float .num { font-size: 30px; font-weight: 800; line-height: 1; }
.split-img .badge-float .txt { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.split h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 20px; }
.split p { color: var(--text-soft); margin-bottom: 16px; }
.check-list { margin: 22px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-list li { position: relative; padding-left: 30px; font-size: 14.5px; color: var(--text); }
.check-list li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green-tint); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}

/* ============================================================
   PRODUCT SHOWCASE / LISTING
   ============================================================ */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
  background: #fff; border: 1px solid var(--grey-line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--grey-bg); }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: var(--gold); color: #fff;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 5px;
}
.product-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.product-card-body h3 { font-size: 20px; margin-bottom: 4px; }
.product-position { color: var(--gold); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 12px; }
.product-ash { display: inline-block; background: var(--green-tint); color: var(--green-primary); font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 20px; margin-bottom: 14px; align-self: flex-start; }
.product-card-body p { color: var(--text-soft); font-size: 14px; margin-bottom: 20px; flex: 1; }
.product-card-body .btn { align-self: flex-start; margin-top: auto; }

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 60px); align-items: start; }
.pd-gallery { display: flex; gap: 14px; align-items: flex-start; }
.pd-thumbs { display: flex; flex-direction: column; gap: 12px; width: 88px; flex-shrink: 0; }
.pd-thumbs img {
  width: 100%; height: 74px; object-fit: cover; border-radius: var(--radius-sm);
  border: 2px solid var(--grey-line); cursor: pointer; transition: 0.2s;
}
.pd-thumbs img:hover, .pd-thumbs img.active { border-color: var(--gold); }
.pd-main { flex: 1; }
.pd-main img { width: 100%; border-radius: var(--radius); border: 1px solid var(--grey-line); }
.pd-info .product-position { font-size: 14px; }
.pd-info h1 { font-size: clamp(26px, 3.6vw, 36px); margin-bottom: 4px; }
.pd-subtitle { color: var(--text-mute); font-size: 16px; margin-bottom: 20px; }
.pd-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 26px; margin: 22px 0; }
.pd-specs .spec { border-bottom: 1px solid var(--grey-line); padding: 10px 0; font-size: 14.5px; }
.pd-specs .spec span { color: var(--text-soft); }
.pd-specs .spec strong { color: var(--green-dark); }
.pd-features { margin: 22px 0; }
.pd-features h4 { font-size: 15px; margin-bottom: 12px; }
.pd-features li { position: relative; padding: 6px 0 6px 28px; font-size: 14.5px; color: var(--text-soft); }
.pd-features li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.pd-callout { background: var(--green-tint); border-radius: var(--radius-sm); padding: 16px 20px; font-size: 14px; color: var(--text-soft); margin-bottom: 24px; }
.pd-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.pd-section { margin-top: 20px; }
.pd-section h2 { font-size: 26px; margin-bottom: 16px; }
.pd-section p { color: var(--text-soft); margin-bottom: 14px; }

/* ============================================================
   PROCESS TIMELINE
   ============================================================ */
.timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.timeline::before { content: ''; position: absolute; top: 29px; left: 8%; right: 8%; height: 2px; background: var(--grey-100); }
.tl-step { text-align: center; position: relative; padding: 0 8px; }
.tl-num {
  width: 58px; height: 58px; border-radius: 50%; margin: 0 auto 18px;
  background: #fff; border: 2px solid var(--green-primary); color: var(--green-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 19px; position: relative; z-index: 2; transition: 0.3s;
}
.tl-step:hover .tl-num { background: var(--green-primary); color: #fff; transform: scale(1.08); }
.tl-step h4 { font-size: 15px; margin-bottom: 6px; }
.tl-step p { font-size: 13px; color: var(--text-mute); }

/* ============================================================
   INDUSTRIES GRID
   ============================================================ */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.industry-item {
  background: #fff; border: 1px solid var(--grey-line); border-radius: var(--radius-sm);
  padding: 24px; display: flex; align-items: center; gap: 16px;
  transition: 0.25s;
}
.industry-item:hover { border-color: var(--gold); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.industry-item .ind-icon { width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px; background: var(--green-tint); color: var(--green-primary); display: flex; align-items: center; justify-content: center; }
.industry-item .ind-icon svg { width: 22px; height: 22px; }
.industry-item span { font-weight: 500; font-size: 15px; }

/* ============================================================
   GLOBAL SUPPLY
   ============================================================ */
.global { position: relative; overflow: hidden; }
.global .map-bg {
  position: absolute; inset: 0; opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 50'%3E%3Cpath fill='%23ffffff' d='M0 25 Q25 10 50 25 T100 25'/%3E%3C/svg%3E");
  background-size: cover;
}
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 50px; }
.stat { text-align: center; }
.stat .num { font-size: clamp(34px, 5vw, 52px); font-weight: 800; color: var(--gold); line-height: 1; }
.stat .lbl { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 8px; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.testi-card { background: #fff; border: 1px solid var(--grey-line); border-radius: var(--radius); padding: 30px; position: relative; }
.testi-card .quote-mark { font-size: 60px; color: var(--gold); opacity: 0.24; font-family: Georgia, serif; line-height: 0.6; height: 34px; }
.testi-card p { color: var(--text-soft); font-size: 14.5px; margin-bottom: 22px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--green-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 17px; }
.testi-author strong { display: block; font-size: 15px; color: var(--green-darkest); }
.testi-author span { font-size: 13px; color: var(--text-mute); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner { background: linear-gradient(120deg, var(--green-darkest), var(--green-primary)); text-align: center; position: relative; overflow: hidden; }
.cta-banner::after { content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(201,167,45,0.18), transparent 70%); }
.cta-banner .container { position: relative; z-index: 2; }
.cta-banner h2 { color: #fff; font-size: clamp(26px, 4vw, 40px); margin-bottom: 14px; max-width: 760px; margin-inline: auto; }
.cta-banner p { color: rgba(255,255,255,0.8); margin-bottom: 30px; max-width: 560px; margin-inline: auto; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.contact-info-card { background: linear-gradient(150deg, var(--green-dark), var(--green-primary)); color: #fff; border-radius: var(--radius); padding: 40px; }
.contact-info-card h3 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.contact-info-card > p { color: rgba(255,255,255,0.8); font-size: 14.5px; margin-bottom: 26px; }
.ci-item { display: flex; gap: 16px; margin-bottom: 24px; }
.ci-item .ci-icon { width: 42px; height: 42px; flex-shrink: 0; border-radius: 10px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; }
.ci-item .ci-icon svg { width: 20px; height: 20px; fill: var(--gold); }
.ci-item .lbl { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 3px; }
.ci-item .val { font-size: 14.5px; color: #fff; line-height: 1.5; }
.ci-item .val a { color: #fff; }

.contact-form { background: #fff; border: 1px solid var(--grey-line); border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow-sm); }
.contact-form h3 { font-size: 22px; margin-bottom: 6px; }
.contact-form > p { color: var(--text-soft); font-size: 14.5px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 7px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--grey-line); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 14.5px; color: var(--text); transition: border-color 0.2s, box-shadow 0.2s; background: var(--off-white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--green-primary); box-shadow: 0 0 0 3px rgba(44,92,44,0.1); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group .error-msg { color: #c0392b; font-size: 12.5px; margin-top: 5px; display: none; }
.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea { border-color: #c0392b; }
.form-group.invalid .error-msg { display: block; }
.form-success { background: var(--green-tint); color: var(--green-dark); padding: 16px; border-radius: var(--radius-sm); margin-bottom: 18px; display: none; font-size: 14.5px; }
.form-success.show { display: block; }

.map-embed { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); margin-top: 40px; border: 1px solid var(--grey-line); }
.map-embed iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--green-darkest); color: rgba(255,255,255,0.7); padding-top: 66px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 50px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 2px; background: var(--gold); }
.footer-brand img { height: 42px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { font-size: 14px; transition: color 0.2s, padding-left 0.2s; }
.footer-col ul a:hover { color: var(--gold); padding-left: 5px; }
.footer-contact-item { display: flex; gap: 12px; margin-bottom: 16px; font-size: 14px; line-height: 1.5; }
.footer-contact-item svg { width: 17px; height: 17px; fill: var(--gold); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.55); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal { opacity: 0; transform: translateY(28px); }
.js .reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .cols-3, .industry-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 30px 10px; }
  .timeline::before { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .topbar { display: none; }
  .main-nav {
    position: fixed; top: 0; right: -100%; width: 78%; max-width: 340px; height: 100vh;
    background: #fff; flex-direction: column; align-items: stretch; padding: 90px 24px 30px;
    gap: 6px; box-shadow: var(--shadow-lg); transition: right 0.35s var(--ease); z-index: 105;
  }
  .main-nav.open { right: 0; }
  .main-nav a { padding: 14px 16px; border-radius: 8px; font-size: 16px; }
  .main-nav a:hover { background: var(--green-tint); }
  .nav-toggle { display: block; z-index: 106; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-cta .btn { display: none; }
  .split, .product-detail, .contact-grid { grid-template-columns: 1fr; }
  .split-img { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(20,48,20,0.5); opacity: 0; visibility: hidden; transition: 0.3s; z-index: 95; }
  .nav-backdrop.show { opacity: 1; visibility: visible; }
}
@media (max-width: 560px) {
  .cols-4, .product-grid, .cols-3, .industry-grid, .testi-grid, .stats-row, .check-list, .pd-specs, .form-row { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .hero-slide { min-height: 560px; }
  .hero-badge { display: none; }
  .pd-gallery { flex-direction: column-reverse; }
  .pd-thumbs { flex-direction: row; width: 100%; }
  .pd-thumbs img { flex: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .split-img .badge-float { left: 50%; transform: translateX(-50%); }
}

/* ============================================================
   NAV DROPDOWN (Products submenu)
   ============================================================ */
.nav-dropdown { position: relative; display: inline-block; }
.nav-drop-toggle { display: inline-flex; align-items: center; gap: 6px; }
.nav-drop-toggle .caret { transition: transform 0.3s var(--ease); }
.nav-dropdown:hover .nav-drop-toggle .caret { transform: rotate(180deg); }
.nav-submenu {
  position: absolute; top: calc(100% + 10px); left: 0;
  background: #fff; border: 1px solid var(--grey-line); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 8px; min-width: 210px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
  z-index: 120;
}
.nav-submenu::before { content: ''; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }
.nav-dropdown:hover .nav-submenu,
.nav-dropdown.open .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-submenu a {
  display: block; padding: 11px 16px; border-radius: 8px; font-size: 14.5px; font-weight: 500;
  color: var(--text); position: relative; transition: all 0.2s;
}
.nav-submenu a::after { display: none; }
.nav-submenu a:hover { background: var(--green-tint); color: var(--green-primary); padding-left: 22px; }

/* ============================================================
   ANIMATED HERO SLIDER (slide transition, Ken Burns zoom)
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-viewport { position: relative; min-height: 660px; }
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; visibility: hidden;
  transform: translateX(60px) scale(1.02);
  transition: opacity 1s var(--ease), transform 1.1s var(--ease), visibility 1s;
  overflow: hidden;
}
.hero-slide.active { opacity: 1; visibility: visible; transform: translateX(0) scale(1); z-index: 2; }
.hero-slide.exit-left { transform: translateX(-60px) scale(1.02); }
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.12);
}
/* continuous slow Ken Burns pan + zoom while the slide is active */
.hero-slide.active .hero-bg { animation: kenBurns 8s ease-out forwards; }
@keyframes kenBurns {
  0%   { transform: scale(1.12) translate(0, 0); }
  100% { transform: scale(1.0) translate(-1.5%, -1.5%); }
}
.hero-slide::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(20,48,20,0.94) 0%, rgba(20,48,20,0.8) 44%, rgba(20,48,20,0.5) 100%);
}
.hero-slide .container { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 760px; padding: 96px 0; }
.hero-content .eyebrow { color: var(--gold-soft); opacity: 0; transform: translateY(20px); }
.hero-content h1 { color: #fff; font-size: clamp(34px, 5.2vw, 60px); line-height: 1.08; margin-bottom: 24px; opacity: 0; transform: translateY(30px) scale(0.98); filter: blur(6px); }
.hero-content p { color: rgba(255,255,255,0.9); font-size: 18px; max-width: 640px; margin-bottom: 36px; opacity: 0; transform: translateY(24px); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; opacity: 0; transform: translateY(24px); }
/* staggered entrance for active slide */
.hero-slide.active .eyebrow { animation: heroIn 0.7s var(--ease) 0.3s forwards; }
.hero-slide.active h1 { animation: heroTitleIn 0.9s var(--ease) 0.42s forwards; }
.hero-slide.active p { animation: heroIn 0.8s var(--ease) 0.6s forwards; }
.hero-slide.active .hero-actions { animation: heroIn 0.8s var(--ease) 0.74s forwards; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }
@keyframes heroTitleIn { to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); } }
/* autoplay progress bar */
.hero-progress { position: absolute; left: 0; bottom: 0; height: 4px; width: 100%; background: rgba(255,255,255,0.12); z-index: 6; }
.hero-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold), var(--gold-soft)); box-shadow: 0 0 12px rgba(201,167,45,0.6); }
.hero:not(.paused) .hero-progress span { animation: heroProgress 6s linear infinite; }
@keyframes heroProgress { from { width: 0; } to { width: 100%; } }


.hero-badge {
  position: absolute; right: clamp(20px, 5vw, 70px); bottom: 70px; z-index: 5;
  background: var(--gold); color: #fff; padding: 22px 30px; border-radius: var(--radius);
  text-align: center; box-shadow: 0 20px 44px rgba(201,167,45,0.42);
  animation: badgePulse 3s ease-in-out infinite;
}
@keyframes badgePulse { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-6px);} }
.hero-badge .yr { font-size: 14px; font-weight: 600; opacity: 0.92; }
.hero-badge .big { font-size: 34px; font-weight: 800; line-height: 1.1; margin: 2px 0; }
.hero-badge .lbl { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.9; }

.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 6; display: flex; gap: 10px; }
.hero-dots button { width: 12px; height: 12px; border-radius: 50%; border: none; background: rgba(255,255,255,0.4); cursor: pointer; transition: 0.3s; padding: 0; }
.hero-dots button.active { background: var(--gold); width: 34px; border-radius: 6px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 50px; height: 50px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.08); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s var(--ease); backdrop-filter: blur(4px);
}
.hero-arrow:hover { background: var(--gold); border-color: var(--gold); }
.hero-arrow.prev { left: 24px; } .hero-arrow.next { right: 24px; }
.hero-arrow svg { width: 20px; height: 20px; }
@media (max-width: 860px){ .hero-arrow{ display:none; } .hero-viewport{ min-height: 580px; } }

/* ============================================================
   EXTRA ANIMATIONS (site-wide)
   ============================================================ */
/* reveal variants */
.js .reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal-scale { opacity: 0; transform: scale(0.94); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal-left.visible, .js .reveal-right.visible, .js .reveal-scale.visible { opacity: 1; transform: none; }

/* card hover shine already via transform; add icon float */
.feature-card:hover .feature-icon { transform: translateY(-4px) rotate(-4deg); }
.feature-icon { transition: background 0.3s, color 0.3s, transform 0.4s var(--ease); }

/* animated gold underline on section eyebrows */
.eyebrow.center::before, .eyebrow.center::after { transition: width 0.5s var(--ease); }

/* button ripple/sheen */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: ''; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg); transition: left 0.6s var(--ease);
}
.btn:hover::after { left: 130%; }

/* stat counter pop */
.stat .num { display: inline-block; }

/* link arrow nudge */
.link-arrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green-primary); font-weight: 600; }
.link-arrow svg { transition: transform 0.25s var(--ease); width: 18px; height: 18px; }
.link-arrow:hover svg { transform: translateX(5px); }

/* material showcase */
.material-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.material-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); aspect-ratio: 16/10; }
.material-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.material-card:hover img { transform: scale(1.06); }
.material-card .cap { position: absolute; left: 0; bottom: 0; right: 0; padding: 22px; background: linear-gradient(transparent, rgba(20,48,20,0.85)); color: #fff; }
.material-card .cap h4 { color: #fff; font-size: 18px; }
@media (max-width: 640px){ .material-showcase{ grid-template-columns: 1fr; } }

/* mobile dropdown: show submenu inline */
@media (max-width: 860px) {
  .nav-dropdown { width: 100%; }
  .nav-submenu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: none; border-left: 2px solid var(--green-tint); border-radius: 0; margin: 4px 0 4px 16px;
    padding: 0; min-width: 0; display: none;
  }
  .nav-dropdown.open .nav-submenu { display: block; }
  .nav-drop-toggle { justify-content: space-between; }
}

/* product-card as anchor */
a.product-card { text-decoration: none; color: inherit; }
a.product-card .btn { pointer-events: none; }

/* ============================================================
   RICH HOVER + TOUCH INTERACTIONS (site-wide)
   Phones fire :active on tap, so hover effects also apply on :active
   ============================================================ */
@media (hover: hover) {
  .product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
  .product-card:hover .product-card-img img { transform: scale(1.09); }
  .feature-card:hover { transform: translateY(-8px); }
  .industry-item:hover { transform: translateX(6px) scale(1.02); }
  .material-card:hover img { transform: scale(1.08); }
  .testi-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
}

/* Smooth base transitions so hover/touch feels fluid */
.product-card, .feature-card, .industry-item, .testi-card,
.material-card img, .product-card-img img, .btn, .tl-num,
.feature-icon, .nav-submenu a, .footer-col ul a, .ci-item, .pd-thumbs img {
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
              background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

/* Tap feedback for touch devices (no hover) */
.btn:active { transform: scale(0.96); }
.product-card:active { transform: scale(0.98); box-shadow: var(--shadow-md); }
.feature-card:active { transform: scale(0.985); }
.industry-item:active { transform: scale(0.98); background: var(--green-tint); }
.material-card:active img { transform: scale(1.05); }
.hero-arrow:active { transform: translateY(-50%) scale(0.9); }
.hero-dots button:active { transform: scale(0.85); }
.nav-submenu a:active, .main-nav a:active { background: var(--green-tint); }
.floating-contacts a:active { transform: scale(0.9); }
.testi-card:active { transform: scale(0.99); }

/* Feature icon: playful pop on hover/tap */
.feature-card:hover .feature-icon,
.feature-card:active .feature-icon { transform: translateY(-5px) rotate(-6deg) scale(1.08); }

/* Industry icon spin-nudge */
.industry-item:hover .ind-icon,
.industry-item:active .ind-icon { transform: rotate(8deg); }
.ind-icon { transition: transform 0.4s var(--ease); }

/* Timeline number bounce on hover/tap */
.tl-step:hover .tl-num,
.tl-step:active .tl-num { transform: scale(1.12); background: var(--green-primary); color: #fff; }

/* Buttons: lift + stronger shadow already; add gentle glow on gold */
.btn-gold:hover { box-shadow: 0 12px 30px rgba(201,167,45,0.45); }

/* Links: animated arrow already; add colour shift on tap */
.link-arrow:active { color: var(--green-dark); }
.link-arrow:active svg { transform: translateX(6px); }

/* Floating contact buttons: gentle idle float + hover pop */
.floating-contacts a { animation: floatY 3.4s ease-in-out infinite; }
.floating-contacts a:nth-child(2) { animation-delay: 0.5s; }
.floating-contacts a:nth-child(3) { animation-delay: 1s; }
@keyframes floatY { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-5px);} }
.floating-contacts a:hover { animation-play-state: paused; transform: scale(1.12) translateY(-2px); }

/* Product thumbnails: active/hover pop */
.pd-thumbs img:hover, .pd-thumbs img:active { transform: scale(1.06); border-color: var(--gold); }

/* Header nav underline already sweeps; add subtle scale on brand logo */
.brand img { transition: transform 0.4s var(--ease); }
.brand:hover img { transform: scale(1.04); }

/* Card image subtle zoom baseline so it feels alive */
.product-card-img img { will-change: transform; }

/* Respect reduced motion: disable the idle/looping animations */
@media (prefers-reduced-motion: reduce) {
  .floating-contacts a, .hero-slide.active .hero-bg,
  .hero:not(.paused) .hero-progress span, .hero-badge { animation: none !important; }
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--grey-line); border-radius: var(--radius); overflow: hidden; transition: box-shadow 0.3s, border-color 0.3s; }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { border-color: var(--gold); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: var(--font); font-weight: 600; font-size: 16px; color: var(--green-darkest);
  padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--green-primary); }
.faq-ic { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-ic::before, .faq-ic::after {
  content: ''; position: absolute; background: var(--gold); border-radius: 2px;
  transition: transform 0.3s var(--ease);
}
.faq-ic::before { top: 8px; left: 0; width: 18px; height: 2px; }
.faq-ic::after { left: 8px; top: 0; width: 2px; height: 18px; }
.faq-item.open .faq-ic::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a p { padding: 0 24px 22px; color: var(--text-soft); font-size: 15px; margin: 0; }