/* ============================================
   BoxifyPack – Global Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  /* === Scheme A: Forest Trust (推荐) === */
  --primary: #1f5e51;
  --primary-light: #3d8b7a;
  --accent: #3d8b7a;
  --accent-light: #5ba897;
  --accent-dark: #1f5e51;
  --cta: #8a6210;
  --cta-dark: #6e4d0a;
  --bg: #ffffff;
  --bg-alt: #f6faf8;
  --bg-soft: #eef7f4;
  --text: #1a2622;
  --text-light: #5a6a64;
  --border: #e5eeea;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
  --shadow-hover: 0 14px 40px rgba(31,94,81,.14);
  --shadow-soft: 0 4px 20px rgba(31,94,81,.06);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --transition-slow: .45s cubic-bezier(.16,1,.3,1);
  --max-w: 1200px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-head: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

html { scroll-behavior:smooth; font-size:16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  transition: opacity .4s ease;
}
body.loaded { opacity: 1; }

h1, h2, .section-title, .page-intro h1, .cta-banner h2, .about-text h2 {
  font-family: var(--font-head);
}
h3, h4 { font-family: var(--font-body); }

a { color:var(--accent); text-decoration:none; transition:color var(--transition); }
a:hover { color:var(--accent-light); }
img { max-width:100%; height:auto; display:block; }
ul,ol { list-style:none; }

::selection { background:var(--accent); color:#fff; }

/* Custom scrollbar */
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-track { background:var(--bg-alt); }
::-webkit-scrollbar-thumb { background:var(--accent); border-radius:6px; border:2px solid var(--bg-alt); }
::-webkit-scrollbar-thumb:hover { background:var(--primary); }

/* ---------- Utility ---------- */
.container { width:90%; max-width:var(--max-w); margin:0 auto; }
.section { padding:96px 0; }
.section-alt { background:var(--bg-alt); }
.section-title { font-size:2.2rem; font-weight:700; color:var(--primary); margin-bottom:.7rem; letter-spacing:-.01em; line-height:1.2; }
.section-subtitle { color:var(--text-light); font-size:1.05rem; margin-bottom:3rem; max-width:640px; line-height:1.7; }
.text-center { text-align:center; }
.text-center .section-subtitle { margin-left:auto; margin-right:auto; }

/* ---------- Buttons ---------- */
.btn {
  display:inline-block; padding:13px 30px; border-radius:var(--radius);
  font-size:.95rem; font-weight:600; cursor:pointer; border:none; text-align:center;
  transition:background var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing:.01em; position:relative; overflow:hidden;
}
.btn::after {
  content:''; position:absolute; inset:0; background:rgba(255,255,255,.18);
  transform:scaleX(0); transform-origin:left; transition:transform var(--transition-slow);
}
.btn:hover::after { transform:scaleX(1); }
.btn-primary { background:var(--cta); color:#fff; }
.btn-primary:hover { background:var(--cta-dark); color:#fff; transform:translateY(-2px); box-shadow:0 8px 22px rgba(138,98,16,.4); }
.btn-outline { background:transparent; color:var(--accent-dark); border:1.5px solid var(--accent); }
.btn-outline:hover { background:var(--accent); color:#fff; transform:translateY(-2px); }
.btn-white { background:#fff; color:var(--primary); }
.btn-white:hover { background:var(--bg-alt); color:var(--primary); transform:translateY(-2px); }
.btn-sm { padding:9px 20px; font-size:.85rem; }
.btn-sample {
  background:var(--cta); color:#fff; font-weight:700;
}
.btn-sample:hover { background:var(--cta-dark); color:#fff; transform:translateY(-2px); }

/* ---------- Header / Navbar ---------- */
.site-header {
  position:sticky; top:0; z-index:1000;
  background:var(--primary); box-shadow:0 1px 0 rgba(255,255,255,.05) inset, 0 2px 12px rgba(0,0,0,.08);
  backdrop-filter:blur(8px);
}
.navbar {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 5%; max-width:var(--max-w); margin:0 auto; height:68px;
}
.nav-logo { display:flex; align-items:center; }
.nav-logo-img { height:42px; width:auto; display:block; }
.nav-logo-text { font-size:1.35rem; font-weight:800; color:#fff; letter-spacing:-.5px; font-family:var(--font-head); }
.nav-logo-text span { color:var(--accent-light); }

.nav-links { display:flex; gap:2px; align-items:center; }
.nav-links > a {
  color:rgba(255,255,255,.75); padding:8px 14px; border-radius:var(--radius);
  font-size:.88rem; font-weight:500; transition:background var(--transition), color var(--transition);
}
.nav-links > a:hover, .nav-links > a.active { background:rgba(255,255,255,.1); color:#fff; }

/* Dropdown */
.nav-dropdown { position:relative; }
.nav-dropdown-toggle {
  display:flex; align-items:center; gap:4px; cursor:pointer;
  color:rgba(255,255,255,.75); padding:8px 14px; border-radius:var(--radius);
  font-size:.88rem; font-weight:500; transition:background var(--transition), color var(--transition);
}
.nav-dropdown-toggle::after { content:'▾'; font-size:.7em; transition:transform var(--transition); }
.nav-dropdown.open .nav-dropdown-toggle::after { transform:rotate(180deg); }
.nav-dropdown.open .nav-dropdown-toggle, .nav-dropdown-toggle.active { background:rgba(255,255,255,.1); color:#fff; }
.nav-dropdown:hover .nav-dropdown-toggle { background:rgba(255,255,255,.1); color:#fff; }
.nav-dropdown:hover .nav-dropdown-toggle::after { transform:rotate(180deg); }
.nav-dropdown-menu {
  display:none; position:absolute; top:100%; left:0;
  background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:6px;
  min-width:220px; box-shadow:var(--shadow-hover); z-index:100;
}
.nav-dropdown.open .nav-dropdown-menu { display:block; }
.nav-dropdown:hover .nav-dropdown-menu { display:block; }
.nav-dropdown-menu a { display:block; padding:10px 14px; font-size:.88rem; border-radius:4px; color:var(--text); }
.nav-dropdown-menu a:hover { background:var(--bg-alt); color:var(--accent); }

.nav-toggle { display:none; background:none; border:none; color:#fff; font-size:1.5rem; cursor:pointer; padding:4px; }

/* ---------- Hero Product Grid ---------- */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 68px);
}
.hero-grid-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 50vh;
  background-size: cover;
  background-position: center;
  background-color: var(--primary);
  text-decoration: none;
  color: #fff;
  overflow: hidden;
  transition: transform .4s ease;
}
.hero-grid-card:hover {
  transform: scale(1.03);
  z-index: 2;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(31,94,81,.85) 0%, rgba(31,94,81,.3) 50%, rgba(31,94,81,.1) 100%);
  transition: background .4s ease;
}
.hero-grid-card:hover .hero-grid-overlay {
  background: linear-gradient(to top, rgba(31,94,81,.9) 0%, rgba(31,94,81,.35) 50%, rgba(31,94,81,.15) 100%);
}
.hero-grid-content {
  position: relative;
  z-index: 1;
  padding: 48px;
  width: 100%;
}
.hero-grid-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: .5rem;
  line-height: 1.2;
  letter-spacing:-.01em;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.hero-grid-content p {
  font-size: .98rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 1.4rem;
  font-weight:300;
}
.btn-hero {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.7);
  padding: 10px 24px;
  font-size: .9rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-hero:hover {
  background: #fff;
  color: var(--primary);
  border-color:#fff;
}

/* ---------- Product Cards ---------- */
.card-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:30px; }

.product-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position:relative; display:flex; flex-direction:column;
}
.product-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); border-color:transparent; }

.product-card .card-img-wrap { overflow:hidden; position:relative; }
.product-card img {
  width:100%; aspect-ratio:3/2; object-fit:cover; background:#f3f4f6;
  transition:transform .4s ease;
}
.product-card:hover img { transform:scale(1.08); }

.product-card .product-info {
  padding:20px 26px 26px; flex:1; display:flex; flex-direction:column;
}
.product-card h3 { font-size:1.15rem; font-weight:700; color:var(--primary); margin-bottom:8px; }
.product-card .product-desc { font-size:.9rem; color:var(--text-light); line-height:1.6; margin-bottom:8px; }
.product-card .product-usage { font-size:.85rem; color:var(--text); font-weight:600; margin-bottom:auto; }
.product-card .product-actions { margin-top:18px; padding-top:18px; border-top:1px solid var(--border); }
.product-card .btn-quote {
  width:100%; background:var(--cta); color:#fff; padding:12px 20px; border-radius:var(--radius);
  font-size:.9rem; font-weight:600; text-align:center; display:block;
  transition:background var(--transition), transform var(--transition);
}
.product-card .btn-quote:hover {
  background:var(--cta-dark); transform:translateY(-2px); box-shadow:0 4px 12px rgba(138,98,16,.3);
}

/* ---------- Category Cards (homepage) ---------- */
.card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); border-color:transparent; }
.card-img { width:100%; aspect-ratio:3/2; object-fit:cover; background:#f3f4f6; }
.card-body { padding:28px; }
.card-body h3 { font-size:1.2rem; font-weight:700; color:var(--primary); margin-bottom:.5rem; }
.card-body p { color:var(--text-light); font-size:.92rem; margin-bottom:1.25rem; line-height:1.6; }
.card-body .btn { padding:10px 22px; font-size:.88rem; }

/* ---------- Advantages ---------- */
.advantages-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(200px,1fr)); gap:30px; }
.advantage-item { text-align:center; padding:30px 16px; }
.advantage-item .icon { font-size:2rem; color:var(--accent); margin-bottom:12px; }
.advantage-item h4 { font-size:1rem; font-weight:700; color:var(--primary); margin-bottom:.3rem; }
.advantage-item p { font-size:.88rem; color:var(--text-light); }

/* ---------- SBS Section ---------- */
.sbs-section { background:var(--bg); padding:60px 0; text-align:center; }
.sbs-section p { max-width:720px; margin:0 auto; color:var(--text-light); font-size:1.05rem; line-height:1.8; }

/* ---------- Certificate Cards ---------- */
.cert-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:20px; padding:24px 0; }
.cert-card {
  background:#fff; border:1px solid var(--border); border-radius:12px;
  padding:28px 16px 20px; text-align:center; transition:all var(--transition);
  display:flex; flex-direction:column; align-items:center;
}
.cert-card:hover { border-color:var(--accent); transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,.08); }
.cert-card img { width:80px; height:80px; margin:0 auto 14px; display:block; }
.cert-card h4 { font-size:.95rem; font-weight:700; color:var(--primary); margin-bottom:6px; }
.cert-card p { font-size:.82rem; color:var(--text-light); line-height:1.6; margin:0; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background:linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  color:#fff; text-align:center; padding:72px 0;
}
.cta-banner h2 { font-size:1.9rem; font-weight:700; margin-bottom:.6rem; letter-spacing:-.01em; }
.cta-banner p { font-size:1.05rem; color:rgba(255,255,255,.85); margin-bottom:1.6rem; font-weight:300; }
.cta-banner .btn-primary { background:var(--cta); }
.cta-banner .btn-primary:hover { background:var(--cta-dark); }

/* ---------- FAQ ---------- */
.faq-section { padding:80px 0; text-align:center; }
.faq-section .section-title::after { display:none; }
.faq-section .section-title { margin-bottom:40px; }
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { margin-bottom:16px; padding:22px 26px; background:#fff; border:1px solid var(--border); border-radius:var(--radius); transition:box-shadow var(--transition); text-align:left; }
.faq-item:hover { box-shadow:var(--shadow); }
.faq-item h4 { font-size:1rem; font-weight:700; color:var(--primary); margin-bottom:.6rem; }
.faq-item p { font-size:.92rem; color:var(--text-light); line-height:1.7; }

/* ---------- Timeline ---------- */
.timeline { display:flex; flex-wrap:wrap; gap:0; justify-content:center; align-items:flex-start; }
.timeline-step {
  flex:1 1 200px; max-width:240px; text-align:center; position:relative;
  padding:0 0 24px 0; background:#fff; border-radius:var(--radius);
  transition:box-shadow var(--transition), transform var(--transition);
}
.timeline-step:hover { box-shadow:var(--shadow-hover); transform:translateY(-5px); }
.timeline-step .step-number {
  position:absolute; top:12px; left:12px; z-index:3;
  padding:4px 10px; background:var(--primary); color:#fff;
  font-size:.75rem; font-weight:600; border-radius:4px;
  letter-spacing:.5px;
}
.timeline-step .step-image {
  width:100%; aspect-ratio:3/2; overflow:hidden; border-radius:var(--radius) var(--radius) 0 0;
  margin-bottom:0;
}
.timeline-step .step-image img {
  width:100%; height:100%; object-fit:cover; transition:transform var(--transition);
}
.timeline-step:hover .step-image img { transform:scale(1.05); }
.timeline-step .step-image-split {
  width:100%; aspect-ratio:3/2; overflow:hidden; border-radius:var(--radius) var(--radius) 0 0;
  margin-bottom:0; position:relative;
}
.timeline-step .step-image-split .split-img-qc {
  position:absolute; top:0; left:0; width:100%; height:100%;
  object-fit:cover; clip-path:polygon(0 0, 100% 0, 0 100%);
  transition:transform var(--transition);
}
.timeline-step .step-image-split .split-img-ship {
  position:absolute; top:0; left:0; width:100%; height:100%;
  object-fit:cover; clip-path:polygon(100% 0, 100% 100%, 0 100%);
  transition:transform var(--transition);
}
.timeline-step:hover .step-image-split img { transform:scale(1.05); }
.timeline-step .step-icon {
  display:flex; align-items:center; justify-content:center;
  width:56px; height:56px; border-radius:50%; background:var(--accent); color:#fff;
  margin:-28px auto 16px; position:relative; z-index:2;
  box-shadow:0 4px 12px rgba(45,106,94,0.25);
}
.timeline-step .step-icon i { font-size:1.3rem; }
.timeline-step h4 { font-size:1.05rem; font-weight:700; color:var(--primary); margin:0 16px .6rem; }
.timeline-step p { font-size:.85rem; color:var(--text-light); line-height:1.6; margin:0 16px; }
.timeline-arrow {
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; color:var(--accent); font-size:1.2rem;
  flex-shrink:0; margin-top:60px;
}
@media (min-width:900px) {
  .timeline-arrow { margin-top:80px; }
}

/* ---------- About ---------- */
.about-content { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.about-content img { border-radius:var(--radius); background:#f3f4f6; width:100%; aspect-ratio:4/3; object-fit:cover; }
.about-text h2 { font-size:2rem; font-weight:700; color:var(--primary); margin-bottom:1rem; letter-spacing:-.01em; }
.about-text p { color:var(--text-light); margin-bottom:1rem; font-size:1rem; line-height:1.8; }
.about-text ul { margin-bottom:1rem; }
.about-text li { padding:4px 0; color:var(--text-light); font-size:.95rem; }
.about-text li::before { content:'✓ '; color:var(--accent); font-weight:700; }

/* ---------- Contact Form ---------- */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.contact-form label { display:block; font-weight:600; font-size:.9rem; margin-bottom:.4rem; color:var(--primary); }
.contact-form input, .contact-form select, .contact-form textarea {
  width:100%; padding:12px 16px; border:1px solid var(--border); border-radius:var(--radius);
  font-size:.95rem; font-family:inherit; margin-bottom:1rem; transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
  background:#fff;
}
.contact-form input:hover, .contact-form select:hover, .contact-form textarea:hover { border-color:var(--accent-light); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(61,139,122,.15); }
.contact-form textarea { resize:vertical; min-height:120px; }
.contact-form .checkbox-group { display:flex; align-items:center; gap:8px; margin-bottom:1.2rem; }
.contact-form .checkbox-group input[type="checkbox"] { width:auto; margin:0; }
.contact-form .file-upload { margin-bottom:1.2rem; }
.contact-form .file-upload small { display:block; color:var(--text-light); margin-top:.2rem; }
.contact-info-item { margin-bottom:1.5rem; }
.contact-info-item h3 { font-size:1.1rem; font-weight:700; color:var(--primary); margin-bottom:.3rem; }
.contact-info-item p { color:var(--text-light); font-size:.95rem; }

/* ---------- Blog ---------- */
.blog-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(340px,1fr)); gap:30px; }
.blog-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.blog-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-3px); border-color:transparent; }
.blog-card img { width:100%; aspect-ratio:16/9; object-fit:cover; background:#f3f4f6; }
.blog-card .blog-body { padding:26px; }
.blog-card .blog-date { font-size:.82rem; color:var(--text-light); margin-bottom:.5rem; }
.blog-card h3 { font-size:1.15rem; font-weight:700; color:var(--primary); margin-bottom:.5rem; }
.blog-card p { font-size:.9rem; color:var(--text-light); margin-bottom:1rem; line-height:1.7; }

.blog-article { max-width:760px; margin:0 auto; }
.blog-article h2 { font-size:1.5rem; color:var(--primary); margin:1.5rem 0 .8rem; }
.blog-article h3 { font-size:1.2rem; color:var(--primary); margin:1.2rem 0 .6rem; }
.blog-article p { color:var(--text-light); margin-bottom:1rem; line-height:1.8; }
.blog-article ul { margin-bottom:1rem; padding-left:1.5rem; }
.blog-article li { color:var(--text-light); margin-bottom:.5rem; line-height:1.7; list-style:disc; }
.blog-article .blog-meta { font-size:.88rem; color:var(--text-light); margin-bottom:1.5rem; }

/* ---------- Lightbox ---------- */
.lightbox-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.85);
  display:flex; align-items:center; justify-content:center;
  z-index:9999; cursor:pointer; padding:20px;
}
.lightbox-overlay img {
  max-width:90vw; max-height:85vh; border-radius:var(--radius);
  box-shadow:0 8px 40px rgba(0,0,0,.4);
}
.lightbox-close {
  position:absolute; top:20px; right:24px;
  background:none; border:none; color:#fff; font-size:2rem; cursor:pointer;
}

/* ---------- Floating Buttons ---------- */
.float-buttons { position:fixed; bottom:28px; right:28px; z-index:900; display:flex; flex-direction:column; gap:12px; transition:bottom var(--transition); }
.float-buttons.shifted { bottom:96px; }
.float-btn {
  width:54px; height:54px; border-radius:50%; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; color:#fff; box-shadow:0 4px 16px rgba(0,0,0,.18);
  transition:transform var(--transition), box-shadow var(--transition);
}
.float-btn:hover { transform:scale(1.08); box-shadow:0 8px 28px rgba(0,0,0,.25); }
.float-btn-contact { background:#25d366; }
.float-btn-sample { background:var(--cta); }
.float-btn-sample:hover { background:var(--cta-dark); }
.float-btn-label {
  position:absolute; right:62px; background:var(--primary); color:#fff;
  padding:6px 12px; border-radius:var(--radius); font-size:.8rem; font-weight:600;
  white-space:nowrap; opacity:0; pointer-events:none;
  transition:opacity var(--transition);
}
.float-btn:hover .float-btn-label { opacity:1; }

/* ---------- Form Success Modal ---------- */
.form-success-overlay {
  position:fixed; inset:0; background:rgba(26,38,34,.55);
  display:flex; align-items:center; justify-content:center;
  z-index:9999; padding:20px;
}
.form-success-modal {
  background:#fff; border-radius:10px; padding:40px 36px;
  max-width:520px; width:100%; text-align:center;
  box-shadow:0 12px 40px rgba(0,0,0,.2);
}
.form-success-icon { font-size:3rem; color:#22c55e; margin-bottom:12px; }
.form-success-modal h2 { font-size:1.5rem; font-weight:800; color:var(--primary); margin-bottom:.3rem; }
.form-success-subtitle { color:var(--text-light); font-size:.95rem; margin-bottom:1.2rem; }
.form-summary-table { width:100%; border-collapse:collapse; text-align:left; margin-bottom:1.2rem; }
.form-summary-table th { font-size:.85rem; font-weight:600; color:var(--text-light); padding:8px 10px; border-bottom:1px solid var(--border); white-space:nowrap; width:35%; }
.form-summary-table td { font-size:.9rem; color:var(--text); padding:8px 10px; border-bottom:1px solid var(--border); }
.form-success-note { font-size:.82rem; color:var(--text-light); margin-bottom:1.2rem; font-style:italic; }

/* ---------- Page Intro ---------- */
.page-intro {
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color:#fff; padding:72px 0 60px; text-align:center;
}
.page-intro h1 { font-size:2.1rem; font-weight:800; margin-bottom:.7rem; letter-spacing:-.01em; }
.page-intro p { font-size:1.05rem; color:rgba(255,255,255,.8); max-width:700px; margin:0 auto; font-weight:300; }

/* ---------- Bottom Link ---------- */
.bottom-link { text-align:center; padding:50px 0; font-size:1.05rem; }
.bottom-link a { font-weight:600; }

/* ---------- Sample Banner ---------- */
.sample-banner {
  background:var(--cta);
  color:#fff; text-align:center; padding:12px 0; font-size:.92rem; font-weight:600;
}
.sample-banner a { color:#fff; text-decoration:underline; font-weight:700; }

/* ---------- Stats Grid (Number Cards) ---------- */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(180px,1fr)); gap:24px; }
.stat-card {
  text-align:center; padding:40px 20px; background:#fff;
  border:1px solid var(--border); border-radius:var(--radius);
  transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.stat-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); border-color:transparent; }
.stat-card-highlight { border-color:var(--accent); background:linear-gradient(135deg,#eef7f4,#fff); }
.stat-number { font-size:2.6rem; font-weight:800; color:var(--accent); line-height:1; margin-bottom:.4rem; letter-spacing:-.02em; }
.stat-card-highlight .stat-number { color:var(--primary); }
.stat-label { font-size:1rem; font-weight:700; color:var(--primary); margin-bottom:.5rem; }
.stat-card p { font-size:.82rem; color:var(--text-light); line-height:1.5; }

/* ---------- Sustainability Grid ---------- */
.sustainability-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(260px,1fr)); gap:30px; }
.sustain-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:32px 26px; transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.sustain-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-3px); border-color:transparent; }
.sustain-icon { font-size:2rem; color:var(--accent); margin-bottom:16px; }
.sustain-card h4 { font-size:1.1rem; font-weight:700; color:var(--primary); margin-bottom:.6rem; }
.sustain-card p { font-size:.9rem; color:var(--text-light); line-height:1.7; }

/* ---------- Testimonials ---------- */
.testimonials-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(320px,1fr)); gap:30px; }
.testimonial-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:32px 28px; transition:box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover { box-shadow:var(--shadow-hover); border-color:transparent; }
.testimonial-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.testimonial-stars { color:#f5a623; font-size:.9rem; letter-spacing:2px; }
.testimonial-text { font-size:.95rem; color:var(--text); line-height:1.75; margin-bottom:22px; text-align:left; font-style:italic; }
.testimonial-author { display:flex; align-items:center; gap:14px; justify-content:flex-start; text-align:left; }
.author-avatar { position:relative; flex-shrink:0; }
.author-avatar img { width:48px; height:48px; border-radius:50%; object-fit:cover; }
.country-badge {
  position:absolute; right:-2px; bottom:-2px;
  width:18px; height:18px; border-radius:50%;
  background:#fff; border:2px solid #fff;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; box-shadow:0 1px 3px rgba(0,0,0,.15);
}
.testimonial-author strong { display:block; font-size:.92rem; color:var(--primary); }
.testimonial-author span { font-size:.82rem; color:var(--text-light); }
.testimonial-date { font-size:.78rem; color:var(--text-light); }
.testimonial-date i { margin-right:4px; font-size:.75rem; }

/* ---------- Quick Quote Popup ---------- */
.quote-popup-overlay {
  position:fixed; inset:0; background:rgba(26,38,34,.55); backdrop-filter:blur(4px);
  display:none; align-items:center; justify-content:center;
  z-index:9999; padding:20px;
}
.quote-popup-overlay.open { display:flex; }
.quote-popup {
  background:#fff; border-radius:12px; padding:40px 36px;
  max-width:560px; width:100%; max-height:90vh; overflow-y:auto;
  position:relative; box-shadow:0 20px 60px rgba(0,0,0,.25);
  animation:popupFade .3s ease;
}
@keyframes popupFade { from { opacity:0; transform:translateY(16px) scale(.98); } to { opacity:1; transform:translateY(0) scale(1); } }
.quote-popup-close {
  position:absolute; top:16px; right:20px;
  background:none; border:none; font-size:1.8rem; cursor:pointer;
  color:var(--text-light); line-height:1; transition:color var(--transition);
}
.quote-popup-close:hover { color:var(--text); }
.quote-popup h2 { font-size:1.5rem; font-weight:800; color:var(--primary); margin-bottom:.4rem; letter-spacing:-.01em; }
.quote-popup > p { font-size:.92rem; color:var(--text-light); margin-bottom:1.5rem; }
.quote-popup-form input,
.quote-popup-form select,
.quote-popup-form textarea {
  width:100%; padding:11px 14px; border:1px solid var(--border);
  border-radius:var(--radius); font-size:.92rem; font-family:inherit; margin-bottom:12px;
  transition:border-color var(--transition), box-shadow var(--transition);
  background:#fff;
}
.quote-popup-form input:focus,
.quote-popup-form select:focus,
.quote-popup-form textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(61,139,122,.15); }
.quote-popup-form textarea { resize:vertical; min-height:70px; }
.quote-popup-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.quote-popup-check { display:flex; align-items:center; gap:8px; font-size:.88rem; color:var(--text); margin-bottom:1rem; cursor:pointer; }
.quote-popup-check input { width:auto; margin:0; }
.quote-popup-note { font-size:.8rem; color:var(--text-light); margin-top:.8rem; text-align:center; }

/* ---------- Payment Methods ---------- */
.payment-methods { display:flex; flex-wrap:wrap; gap:16px; align-items:center; justify-content:center; margin-top:20px; }
.payment-badge {
  display:flex; align-items:center; gap:6px;
  padding:10px 18px; border:1px solid var(--border); border-radius:var(--radius);
  background:#fff; font-size:.85rem; font-weight:600; color:var(--text);
}
.payment-badge i { font-size:1.3rem; }

/* ---------- Sub-Category Tags ---------- */
.subcat-tags { display:flex; flex-wrap:wrap; gap:12px; justify-content:center; max-width:900px; margin:0 auto; }
.subcat-tag {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 20px; background:#fff; border:1px solid var(--border);
  border-radius:var(--radius); font-size:.9rem; font-weight:500; color:var(--text);
  transition:all var(--transition);
}
.subcat-tag:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); box-shadow:var(--shadow); }
.subcat-tag i { color:var(--accent); font-size:1rem; }

/* ---------- Footer ---------- */
.site-footer { background:var(--primary); color:rgba(255,255,255,.65); padding:56px 0 28px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:36px; margin-bottom:32px; }
.footer-col h4 { color:#fff; font-size:.95rem; font-weight:700; margin-bottom:14px; letter-spacing:.01em; }
.footer-logo { margin-bottom:16px; }
.footer-logo-img { height:48px; width:auto; display:block; opacity:.95; }
.footer-col p, .footer-col a { font-size:.85rem; color:rgba(255,255,255,.55); line-height:1.9; }
.footer-col a:hover { color:#fff; }
.footer-col .footer-social { display:flex; gap:10px; margin-top:8px; }
.footer-col .footer-social a {
  display:flex; align-items:center; justify-content:center;
  width:32px; height:32px; border-radius:50%;
  background:rgba(255,255,255,.1); color:rgba(255,255,255,.7);
  font-size:.9rem; transition:background var(--transition), color var(--transition), transform var(--transition);
}
.footer-col .footer-social a:hover { background:var(--accent); color:#fff; transform:translateY(-2px); }
.footer-col .footer-payments { display:flex; gap:8px; align-items:center; margin-top:8px; }
.footer-col .footer-payments i { font-size:1.2rem; color:rgba(255,255,255,.5); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding-top:22px; text-align:center; }
.footer-bottom p { font-size:.82rem; color:rgba(255,255,255,.4); margin:0; }

/* ---------- Responsive ---------- */
@media (max-width:900px) {
  .about-content, .contact-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .section-title { font-size:1.7rem; }
  .hero-grid { grid-template-columns:1fr; min-height:auto; }
  .hero-grid-card { min-height:350px; }
  .hero-grid-content h2 { font-size:1.5rem; }
  .section { padding:64px 0; }
}

@media (max-width:768px) {
  .nav-links {
    display:none; position:absolute; top:68px; left:0; right:0;
    background:var(--primary); flex-direction:column; padding:16px 5%;
    gap:4px; box-shadow:0 4px 12px rgba(0,0,0,.2);
  }
  .nav-links.open { display:flex; }
  .nav-links > a { padding:12px 14px; }
  .nav-dropdown-menu {
    position:static; box-shadow:none; background:rgba(255,255,255,.05);
    border-radius:var(--radius); margin:4px 0 8px 0; padding:4px 0;
  }
  .nav-dropdown-menu a { padding:10px 14px 10px 28px; font-size:.85rem; }
  .nav-toggle { display:block; }
  .hero-grid-card { min-height:280px; }
  .hero-grid-content { padding:28px; }
  .hero-grid-content h2 { font-size:1.3rem; }
  .section { padding:48px 0; }
  .card-grid { grid-template-columns:1fr; }
  .blog-grid { grid-template-columns:1fr; }
  .advantages-grid { grid-template-columns:repeat(auto-fill, minmax(160px,1fr)); gap:16px; }
  .timeline { flex-direction:column; align-items:center; gap:12px; }
  .timeline-step { max-width:320px; width:100%; }
  .timeline-arrow { margin-top:0; margin-bottom:0; transform:rotate(90deg); }
  .timeline-step .step-icon { margin:-28px auto 12px; }
  .footer-grid { grid-template-columns:1fr; }
  .quote-popup-row { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:16px; }
  .stat-card { padding:24px 14px; }
  .stat-number { font-size:2rem; }
  .section-title { font-size:1.5rem; }
  .page-intro { padding:48px 0 40px; }
  .page-intro h1 { font-size:1.6rem; }
  .cta-banner { padding:48px 0; }
  .cta-banner h2 { font-size:1.5rem; }
}

/* ============================================
   Premium Enhancements
   ============================================ */

/* ---------- Reading Progress Bar ---------- */
.reading-progress {
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--cta));
  z-index:1100; transition:width .1s linear;
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
  position:fixed; bottom:28px; right:28px; z-index:900;
  width:54px; height:54px; border-radius:50%; border:none; cursor:pointer;
  background:var(--primary); color:#fff; font-size:1.2rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 16px rgba(31,94,81,.3);
  opacity:0; pointer-events:none; transform:translateY(12px);
  transition:opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top.visible { opacity:1; pointer-events:auto; transform:translateY(0); }
.back-to-top:hover { background:var(--accent-dark); transform:translateY(-3px); }

/* ---------- Scroll Reveal Animations ---------- */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .7s var(--transition-slow), transform .7s var(--transition-slow); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-left { opacity:0; transform:translateX(-32px); transition:opacity .7s var(--transition-slow), transform .7s var(--transition-slow); }
.reveal-left.visible { opacity:1; transform:translateX(0); }
.reveal-right { opacity:0; transform:translateX(32px); transition:opacity .7s var(--transition-slow), transform .7s var(--transition-slow); }
.reveal-right.visible { opacity:1; transform:translateX(0); }
.reveal-scale { opacity:0; transform:scale(.94); transition:opacity .6s var(--transition-slow), transform .6s var(--transition-slow); }
.reveal-scale.visible { opacity:1; transform:scale(1); }

/* Stagger delays for grids */
.reveal[data-delay="1"] { transition-delay:.08s; }
.reveal[data-delay="2"] { transition-delay:.16s; }
.reveal[data-delay="3"] { transition-delay:.24s; }
.reveal[data-delay="4"] { transition-delay:.32s; }
.reveal[data-delay="5"] { transition-delay:.4s; }
.reveal[data-delay="6"] { transition-delay:.48s; }

@media (max-width:768px) {
  .float-buttons { bottom:18px; right:18px; gap:10px; }
  .float-buttons.shifted { bottom:82px; }
  .back-to-top { bottom:18px; right:18px; width:48px; height:48px; font-size:1rem; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { transform:translateY(20px); }
}

/* ---------- Refined Card Hover ---------- */
.product-card, .card, .blog-card, .stat-card, .sustain-card, .testimonial-card {
  box-shadow:var(--shadow-soft);
}
.product-card:hover, .card:hover, .blog-card:hover, .stat-card:hover, .sustain-card:hover, .testimonial-card:hover {
  box-shadow:var(--shadow-hover);
}

/* ---------- Image hover zoom polish ---------- */
.product-card img, .card-img, .blog-card img { will-change:transform; }

/* ---------- Focus visibility for accessibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline:2px solid var(--accent); outline-offset:2px;
}

/* ---------- Refined nav link underline ---------- */
.nav-links > a { position:relative; }
.nav-links > a::after {
  content:''; position:absolute; left:14px; right:14px; bottom:4px;
  height:2px; background:var(--accent-light); border-radius:2px;
  transform:scaleX(0); transform-origin:left; transition:transform var(--transition-slow);
}
.nav-links > a:hover::after, .nav-links > a.active::after { transform:scaleX(1); }

/* ---------- Hero grid card polish ---------- */
.hero-grid-card { will-change:transform; }
.hero-grid-content h2 { font-family:var(--font-head); }

/* ---------- Section divider accent ---------- */
.section-title::after {
  content:''; display:block; width:48px; height:3px; background:var(--cta);
  border-radius:2px; margin-top:.7rem;
}
.text-center .section-title::after,
.sbs-content .section-title::after,
.process-teaser-section .section-title::after { margin-left:auto; margin-right:auto; }

/* ---------- Stat number polish ---------- */
.stat-number { font-family:var(--font-head); }

/* ============================================
   Homepage Optimization: Brand Hero
   ============================================ */
.brand-hero {
  position:relative; min-height:560px; display:flex; align-items:center;
  padding:80px 0; overflow:hidden; background:var(--primary);
}
.brand-hero-bg {
  position:absolute; inset:0; background-size:cover; background-position:center;
  filter:brightness(.45) saturate(.9);
}
.brand-hero-overlay {
  position:absolute; inset:0;
  background:linear-gradient(115deg, rgba(31,94,81,.92) 0%, rgba(31,94,81,.7) 45%, rgba(31,94,81,.35) 100%);
}
.brand-hero-content { position:relative; z-index:2; color:#fff; max-width:760px; }
.brand-hero-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2);
  padding:6px 16px; border-radius:30px; font-size:.82rem; font-weight:600;
  letter-spacing:.3px; margin-bottom:24px; backdrop-filter:blur(6px);
}
.brand-hero-title {
  font-family:var(--font-head); font-size:clamp(2.4rem, 5vw, 4rem);
  font-weight:800; line-height:1.08; letter-spacing:-.02em; margin-bottom:20px;
}
.brand-hero-title span { color:var(--accent-light); display:inline-block; }
.brand-hero-sub {
  font-size:1.1rem; line-height:1.7; color:rgba(255,255,255,.85);
  max-width:620px; margin-bottom:36px;
}
.brand-hero-cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; }
.btn-lg { padding:14px 28px; font-size:1rem; }
.btn-outline.btn-lg { color:#fff; border-color:rgba(255,255,255,.4); }
.btn-outline.btn-lg:hover { background:#fff; color:var(--primary); border-color:#fff; }
.brand-hero-trust {
  display:flex; align-items:center; gap:28px;
  padding-top:28px; border-top:1px solid rgba(255,255,255,.15);
}
.hero-trust-item { display:flex; flex-direction:column; }
.hero-trust-item strong {
  font-family:var(--font-head); font-size:1.8rem; font-weight:800; color:#fff; line-height:1;
}
.hero-trust-item span { font-size:.82rem; color:rgba(255,255,255,.7); margin-top:4px; }
.hero-trust-divider { width:1px; height:36px; background:rgba(255,255,255,.2); }

/* ============================================
   SBS Section Enhancement (2-column)
   ============================================ */
.sbs-section { background:var(--bg); padding:90px 0; }
.sbs-grid {
  display:grid; grid-template-columns:1fr 1.1fr; gap:64px; align-items:center;
}
.sbs-visual { position:relative; border-radius:var(--radius-lg); overflow:hidden; }
.sbs-visual img {
  width:100%; height:440px; object-fit:cover; display:block;
  transition:transform .6s var(--transition-slow);
}
.sbs-visual:hover img { transform:scale(1.04); }
.sbs-visual-badge {
  position:absolute; bottom:24px; right:24px;
  background:rgba(255,255,255,.95); color:var(--primary); padding:16px 20px; border-radius:8px;
  display:flex; align-items:center; gap:12px;
  box-shadow:0 4px 16px rgba(0,0,0,.12);
  backdrop-filter:blur(8px);
}
.sbs-visual-badge i { font-size:1.4rem; color:var(--accent); }
.sbs-visual-badge span { font-size:.85rem; font-weight:600; line-height:1.4; letter-spacing:.5px; }
.sbs-content { padding:0; }
.section-eyebrow {
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:1.5px;
  text-transform:uppercase; color:var(--cta); margin-bottom:12px;
}
.sbs-features { list-style:none; margin:24px 0 32px; }
.sbs-features li {
  display:flex; align-items:flex-start; gap:12px; padding:10px 0;
  color:var(--text); font-size:.96rem; border-bottom:1px solid var(--border);
}
.sbs-features li:last-child { border-bottom:none; }
.sbs-features i { color:var(--accent); font-size:1.1rem; margin-top:2px; }
.sbs-features strong { color:var(--primary); }

/* ============================================
   Process Teaser Section (dark)
   ============================================ */
.process-teaser-section {
  background:linear-gradient(135deg, var(--primary) 0%, var(--accent-dark) 100%);
  padding:90px 0; position:relative; overflow:hidden; text-align:center;
}
.process-teaser-section::before {
  content:''; position:absolute; top:0; right:0; width:400px; height:400px;
  background:radial-gradient(circle, rgba(255,255,255,.04) 0%, transparent 70%);
  pointer-events:none;
}
.process-teaser-grid {
  display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; margin-top:48px;
  position:relative; z-index:1;
}
.process-teaser-step {
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg); padding:28px 22px; text-align:center;
  backdrop-filter:blur(8px); transition:all var(--transition-slow);
}
.process-teaser-step:hover {
  background:rgba(255,255,255,.1); transform:translateY(-6px);
  border-color:rgba(255,255,255,.25);
}
.process-teaser-icon {
  position:relative; width:64px; height:64px; margin:0 auto 18px;
  background:var(--cta); border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:1.5rem; color:#fff; box-shadow:0 6px 20px rgba(0,0,0,.25);
}
.process-teaser-icon .step-num {
  position:absolute; top:-6px; right:-6px;
  background:#fff; color:var(--primary); font-size:.7rem; font-weight:800;
  width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center;
}
.process-teaser-step h4 { color:#fff; font-size:1.1rem; margin-bottom:8px; font-weight:700; }
.process-teaser-step p { color:rgba(255,255,255,.72); font-size:.88rem; line-height:1.6; }

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width:980px) {
  .cert-grid { grid-template-columns:repeat(3,1fr); }
  .sbs-grid { grid-template-columns:1fr; gap:40px; }
  .sbs-visual img { height:340px; }
  .process-teaser-grid { grid-template-columns:repeat(2, 1fr); }
  .brand-hero { min-height:auto; padding:64px 0; }
  .brand-hero-trust { flex-wrap:wrap; gap:20px; }
}
@media (max-width:640px) {
  .cert-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  .cert-card { padding:20px 10px 16px; }
  .cert-card img { width:56px; height:56px; }
  .process-teaser-grid { grid-template-columns:1fr; }
  .brand-hero-title { font-size:2rem; }
  .brand-hero-sub { font-size:1rem; }
  .brand-hero-cta { flex-direction:column; }
  .brand-hero-cta .btn { width:100%; text-align:center; }
  .hero-trust-divider { display:none; }
  .brand-hero-trust { gap:16px; }
  .hero-trust-item strong { font-size:1.4rem; }
}

/* ---------- Quote popup polish ---------- */
.quote-popup { border-radius:var(--radius-lg); }

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity:1 !important; transform:none !important; }
  html { scroll-behavior:auto; }
}