@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'Courier New', monospace;

  --c-black: #111111;
  --c-white: #ffffff;
  --c-green: #17a34a;
  --c-green-rgb: 23, 163, 74;
  --c-silver: #d9d9d9;
  --c-bg: #fafafa;
  --c-darkgray: #1e1e1e;
  --c-lightgray: #f3f4f6;
  --c-text-muted: #6b7280;
  --c-text-faint: #9ca3af;
  --c-border: #e5e7eb;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--c-bg);
  color: var(--c-black);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 768px) {
  .container { padding: 0 3rem; }
}

.section { position: relative; padding: 6rem 0; overflow: hidden; }
.section-bordered { border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.section-border-b { border-bottom: 1px solid var(--c-border); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-green);
}

.section-header { max-width: 46rem; margin-bottom: 4rem; text-align: left; }
.section-header h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-black);
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}
.section-header p { font-size: 1.05rem; color: var(--c-text-muted); line-height: 1.7; }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Glow decorations */
.glow { position: absolute; border-radius: 999px; filter: blur(90px); pointer-events: none; z-index: 0; background: rgba(var(--c-green-rgb), 0.06); }

/* Glass surfaces */
.glass-card {
  background-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
  border-radius: 1.25rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.glass-card.hoverable:hover {
  border-color: rgba(var(--c-green-rgb), 0.3);
  box-shadow: 0 20px 50px -12px rgba(var(--c-green-rgb), 0.1);
  transform: translateY(-4px);
}

.glass-nav {
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 0.75rem;
  font-weight: 500;
  font-size: 0.95rem;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--c-black); color: #fff; }
.btn-primary:hover { background: var(--c-green); }
.btn-outline { background: transparent; border: 1px solid var(--c-silver); color: var(--c-black); }
.btn-outline:hover { border-color: var(--c-black); }
.btn-ghost-green {
  background: rgba(var(--c-green-rgb), 0.06);
  border: 1px dashed var(--c-green);
  color: var(--c-green);
}
.btn-ghost-green:hover { background: rgba(var(--c-green-rgb), 0.12); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Navigation */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 1.1rem 0;
  transition: all 0.25s ease;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-mark {
  width: 42px; height: 42px; background: var(--c-black);
  border-radius: 0.8rem; display: flex; align-items: center; justify-content: center;
  padding: 6px;
}
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text .top { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; }
.brand-text .bottom { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--c-green); margin-top: 2px; }

.nav-links { display: none; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: #4b5563; }
.nav-links a:hover { color: var(--c-green); }

.nav-actions { display: none; align-items: center; gap: 0.75rem; }
.nav-icon-btn { padding: 0.5rem; border-radius: 0.6rem; background: transparent; border: none; color: #6b7280; }
.nav-icon-btn:hover { background: #f3f4f6; color: var(--c-black); }
.nav-btn-outline {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1rem; font-size: 0.85rem; font-weight: 500;
  border: 1px solid var(--c-silver); background: #fff; border-radius: 0.6rem;
}
.nav-btn-solid {
  padding: 0.55rem 1.25rem; font-size: 0.85rem; font-weight: 500;
  background: var(--c-black); color: #fff; border: none; border-radius: 0.6rem;
}
.nav-btn-solid:hover { background: var(--c-green); }

.nav-mobile-toggle { display: flex; }
.mobile-menu {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: #fff; border-top: 1px solid var(--c-border);
  padding: 1.5rem; flex-direction: column; gap: 1.1rem;
  box-shadow: 0 20px 30px -10px rgba(0,0,0,0.1);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; font-weight: 600; color: #1f2937; }

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-actions { display: flex; }
  .nav-mobile-toggle { display: none; }
}

/* Hero */
#hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 8rem; padding-bottom: 5rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.9rem; border-radius: 999px; background: #fff;
  border: 1px solid #f3f4f6; box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; color: #374151; margin-bottom: 1.5rem;
}
.pulse-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--c-green); display: inline-block; position: relative; }
.pulse-dot::after {
  content: ''; position: absolute; inset: 0; border-radius: 999px; background: var(--c-green);
  animation: pulseRing 1.6s cubic-bezier(0,0,0.2,1) infinite;
}
@keyframes pulseRing { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(2.4); opacity: 0; } }

.hero-title { font-size: clamp(2.3rem, 6vw, 4rem); font-weight: 800; line-height: 1.08; margin-bottom: 1.5rem; }
.hero-title .accent { color: var(--c-green); }
.hero-lead { font-size: 1.1rem; color: #4b5563; max-width: 38rem; line-height: 1.7; margin-bottom: 1.75rem; }

.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; max-width: 34rem; margin-bottom: 2rem; }
.metric-card { padding: 0.9rem; border-radius: 0.9rem; }
.metric-card .label { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: #9ca3af; margin-bottom: 0.25rem; }
.metric-card .value { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; display: flex; align-items: center; gap: 0.35rem; }
.metric-card .value .ic { color: var(--c-green); }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.discover-tab {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: #9ca3af;
}

/* Feature / bento grids */
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.feature-card { padding: 1.75rem; display: flex; flex-direction: column; gap: 1rem; text-align: left; }
.feature-icon {
  width: 3rem; height: 3rem; border-radius: 0.8rem; background: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.5); display: flex; align-items: center; justify-content: center;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.feature-card p { font-size: 0.9rem; color: #6b7280; line-height: 1.65; }

/* Process timeline */
.process-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
@media (min-width: 1024px) { .process-grid { grid-template-columns: 5fr 7fr; } }
.process-steps { display: flex; flex-direction: column; gap: 0.75rem; }
.process-step-btn {
  padding: 1.1rem 1.2rem; border-radius: 1rem; display: flex; align-items: center; gap: 1rem;
  text-align: left; border: 1px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.3);
  transition: all 0.2s ease; width: 100%;
}
.process-step-btn:hover { background: rgba(255,255,255,0.5); }
.process-step-btn.active { background: rgba(255,255,255,0.75); border-color: rgba(var(--c-green-rgb),0.4); box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.process-step-icon { width: 2.5rem; height: 2.5rem; border-radius: 0.7rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: #fff; border: 1px solid #eee; color: #9ca3af; }
.process-step-btn.active .process-step-icon { background: var(--c-green); color: #fff; border-color: transparent; }
.process-step-phase { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; color: var(--c-green); }
.process-step-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.process-step-sub { font-size: 0.75rem; color: #9ca3af; }

.process-detail { padding: 2.5rem; min-height: 420px; display: flex; flex-direction: column; justify-content: space-between; }
.process-detail-badge { display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.75rem; background: rgba(var(--c-green-rgb),0.1); color: var(--c-green); border-radius: 0.4rem; text-transform: uppercase; margin-bottom: 0.75rem; }
.process-detail h3 { font-size: 1.6rem; margin-bottom: 0.2rem; }
.process-detail .sub { font-family: var(--font-mono); font-size: 0.85rem; color: #9ca3af; margin-bottom: 1.25rem; }
.process-detail .detail-text { color: #4b5563; line-height: 1.7; }
.process-highlight {
  margin-top: 2rem; padding: 1.1rem; background: rgba(255,255,255,0.5); border-radius: 0.8rem;
  border-left: 4px solid var(--c-green); display: flex; gap: 0.75rem; align-items: flex-start;
}
.process-highlight h4 { font-size: 0.9rem; margin-bottom: 0.2rem; }
.process-highlight p { font-size: 0.8rem; color: #6b7280; }

/* Category tabs / product spec panel */
.tab-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--c-border); }
.tab-btn {
  padding: 0.75rem 1.25rem; border-radius: 0.8rem; font-size: 0.9rem; font-weight: 600;
  background: transparent; border: none; color: #6b7280;
}
.tab-btn:hover { background: #f9fafb; color: var(--c-black); }
.tab-btn.active { background: var(--c-black); color: #fff; }

.category-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: stretch; }
@media (min-width: 1024px) { .category-grid { grid-template-columns: 5fr 7fr; } }

.category-visual { padding: 2rem; position: relative; display: flex; flex-direction: column; justify-content: space-between; }
.category-visual .code-tag { position: absolute; top: 1rem; right: 1rem; background: #fff; border: 1px solid #eee; padding: 0.25rem 0.6rem; border-radius: 0.4rem; font-family: var(--font-mono); font-size: 0.65rem; color: #9ca3af; font-weight: 700; }
.category-ball { display: flex; justify-content: center; padding: 2rem 0; }
.category-ball svg { width: 220px; height: 220px; }
.category-highlight .h-label { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; color: var(--c-green); text-transform: uppercase; letter-spacing: 0.1em; }
.category-highlight blockquote { font-size: 0.9rem; color: #4b5563; font-style: italic; margin: 0.5rem 0; }
.category-moq-row { display: flex; justify-content: space-between; padding-top: 0.75rem; border-top: 1px solid #eee; margin-top: 0.5rem; }
.category-moq-row .k { font-size: 0.75rem; color: #9ca3af; font-family: var(--font-mono); }
.category-moq-row .v { font-weight: 700; }

.category-detail-tag { display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; background: #f3f4f6; color: #374151; padding: 0.25rem 0.75rem; border-radius: 0.4rem; }
.category-detail h3 { font-size: 1.7rem; margin: 0.75rem 0 0.5rem; }
.category-detail p.desc { color: #6b7280; line-height: 1.7; }
.spec-table { margin-top: 1.5rem; padding: 1.5rem; background: rgba(255,255,255,0.35); border-radius: 1rem; display: grid; grid-template-columns: 1fr; gap: 0.4rem 2rem; }
@media (min-width: 768px) { .spec-table { grid-template-columns: 1fr 1fr; } }
.spec-row { display: flex; justify-content: space-between; padding: 0.4rem 0; border-bottom: 1px solid rgba(229,231,235,0.6); font-size: 0.9rem; }
.spec-row .k { color: #9ca3af; }
.spec-row .v { font-weight: 600; text-align: right; }

.feature-check-grid { display: grid; grid-template-columns: 1fr; gap: 0.6rem; margin-top: 1.5rem; }
@media (min-width: 768px) { .feature-check-grid { grid-template-columns: 1fr 1fr; } }
.feature-check-item { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.9rem; color: #4b5563; }
.feature-check-item .tick { width: 1.2rem; height: 1.2rem; border-radius: 999px; background: rgba(var(--c-green-rgb),0.1); color: var(--c-green); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 0.75rem; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { background: #fff; border: 1px solid var(--c-border); border-radius: 1rem; overflow: hidden; }
.faq-question {
  width: 100%; padding: 1.25rem 1.4rem; display: flex; align-items: center; justify-content: space-between;
  background: transparent; border: none; text-align: left; font-family: var(--font-display); font-weight: 700; font-size: 1rem;
}
.faq-question .chev { transition: transform 0.25s ease; color: #9ca3af; }
.faq-item.open .faq-question .chev { transform: rotate(180deg); color: var(--c-green); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 1.4rem 1.4rem; color: #6b7280; font-size: 0.95rem; line-height: 1.7; border-top: 1px solid #f9fafb; padding-top: 1rem; }

/* Blog / insights */
.blog-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }
.blog-card { display: flex; flex-direction: column; padding: 1.75rem; gap: 0.9rem; }
.blog-card-image { width: 100%; height: 11rem; object-fit: cover; border-radius: 0.9rem; margin: -1.75rem -1.75rem 0.4rem; width: calc(100% + 3.5rem); max-width: none; }
.blog-post-featured-image { width: 100%; max-height: 26rem; object-fit: cover; border-radius: 1rem; margin-bottom: 2rem; }
.blog-cat-tag { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; color: var(--c-green); text-transform: uppercase; letter-spacing: 0.08em; }
.blog-card h3 { font-size: 1.15rem; line-height: 1.35; }
.blog-card p { font-size: 0.9rem; color: #6b7280; line-height: 1.6; }
.blog-meta { display: flex; align-items: center; gap: 0.6rem; margin-top: auto; padding-top: 0.9rem; border-top: 1px solid #f0f0f0; font-size: 0.8rem; color: #9ca3af; }
.avatar-initials { width: 2rem; height: 2rem; border-radius: 999px; background: var(--c-black); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; }

.blog-post-body { max-width: 46rem; margin: 0 auto; }
.blog-post-body h2 { font-size: 1.5rem; margin-top: 2rem; margin-bottom: 0.75rem; }
.blog-post-body p { margin-bottom: 1rem; line-height: 1.8; color: #374151; }
.blog-post-body ul { margin-bottom: 1rem; padding-left: 1.25rem; color: #374151; line-height: 1.8; }
.blog-post-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.blog-post-body th, .blog-post-body td { border: 1px solid var(--c-border); padding: 0.6rem 0.8rem; text-align: left; }
.blog-post-body th { background: #f9fafb; }

/* Quality / gallery */
.protocol-card { padding: 1.75rem; position: relative; overflow: hidden; }
.protocol-step-num { position: absolute; right: 1rem; top: 0.25rem; font-family: var(--font-display); font-weight: 900; font-size: 3.5rem; color: rgba(156,163,175,0.1); }
.protocol-pass { margin-top: 1.25rem; display: flex; align-items: center; gap: 0.4rem; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; color: var(--c-green); }

.gallery-card { overflow: hidden; display: flex; flex-direction: column; }
.gallery-visual { height: 12rem; display: flex; align-items: center; justify-content: center; padding: 1.5rem; border-bottom: 1px solid var(--c-border); background: rgba(16,185,129,0.04); }
.gallery-visual svg { width: 8rem; height: 8rem; }
.gallery-text { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; }
.gallery-text h3 { font-size: 1rem; }
.gallery-text p { font-size: 0.85rem; color: #6b7280; line-height: 1.6; }

/* Export routes */
.export-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: stretch; }
@media (min-width: 1024px) { .export-grid { grid-template-columns: 7fr 5fr; } }
.route-map-card { padding: 1.5rem; min-height: 380px; display: flex; flex-direction: column; justify-content: space-between; align-items: center; }
.route-btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-top: 1rem; }
.route-btn { padding: 0.5rem 0.9rem; border-radius: 0.6rem; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; background: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.5); color: #6b7280; }
.route-btn.active { background: var(--c-black); color: #fff; }
.route-detail-card { padding: 2rem; display: flex; flex-direction: column; gap: 1.25rem; justify-content: space-between; height: 100%; }
.route-detail-item { display: flex; gap: 0.75rem; align-items: flex-start; }
.route-detail-item h4 { font-size: 0.9rem; margin-bottom: 0.15rem; }
.route-detail-item p { font-size: 0.85rem; color: #6b7280; line-height: 1.6; }
.route-standard-note { padding: 1rem; background: rgba(255,255,255,0.5); border-radius: 0.7rem; font-size: 0.8rem; color: #6b7280; display: flex; gap: 0.5rem; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 768px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 0.4rem; color: #374151; }
.field .req { color: var(--c-green); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85rem 1rem; border-radius: 0.7rem;
  border: 1px solid rgba(0,0,0,0.1); background: rgba(255,255,255,0.5);
  font-family: inherit; font-size: 0.95rem; color: var(--c-black);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: rgba(var(--c-green-rgb),0.5); box-shadow: 0 0 0 3px rgba(var(--c-green-rgb),0.15);
}
.field-file { border: 1.5px dashed var(--c-silver); border-radius: 0.9rem; padding: 1.25rem; text-align: center; background: rgba(255,255,255,0.35); }
.field-file input[type=file] { display: block; margin: 0.5rem auto 0; }
.form-note { font-size: 0.8rem; color: #9ca3af; }
.form-error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; padding: 0.9rem 1.1rem; border-radius: 0.7rem; font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-success { text-align: center; padding: 3rem 2rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.form-success h3 { font-size: 1.4rem; }
.form-success p { color: #6b7280; max-width: 30rem; }

/* Footer */
footer.site-footer { background: var(--c-black); color: #9ca3af; padding: 4.5rem 0; border-top: 1px solid #262626; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 5fr 4fr 3fr; } }
.footer-brand-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.1rem; }
.footer-brand-row .mark { width: 2.5rem; height: 2.5rem; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 0.7rem; padding: 6px; color: var(--c-green); }
.footer-brand-row .name { color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; }
footer.site-footer p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 1rem; }
.footer-contact { display: flex; flex-direction: column; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.75rem; color: #6b7280; }
.footer-contact .row { display: flex; align-items: center; gap: 0.5rem; }
.footer-links-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.footer-links-grid h4, .footer-tags h4 { font-size: 0.72rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.75rem; }
.footer-links-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.85rem; }
.footer-links-grid a:hover, .footer-bottom a:hover { color: var(--c-green); }
.footer-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.footer-tags span { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.05); padding: 0.3rem 0.5rem; border-radius: 0.4rem; }
.footer-bottom { max-width: 1280px; margin: 3.5rem auto 0; padding: 2rem 1.5rem 0; border-top: 1px solid rgba(255,255,255,0.05); display: flex; flex-direction: column; gap: 1rem; align-items: center; justify-content: space-between; font-size: 0.75rem; font-family: var(--font-mono); }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; } }
.footer-bottom .links { display: flex; gap: 1.25rem; }

/* WhatsApp widget */
.wa-widget { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 60; font-family: var(--font-sans); }
.wa-toggle {
  width: 3.5rem; height: 3.5rem; border-radius: 999px; background: #059669; color: #fff;
  display: flex; align-items: center; justify-content: center; border: none; box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  position: relative;
}
.wa-toggle svg { width: 1.7rem; height: 1.7rem; fill: currentColor; }
.wa-badge { position: absolute; top: -4px; right: -4px; width: 1.2rem; height: 1.2rem; background: #ef4444; border: 2px solid #059669; border-radius: 999px; color: #fff; font-size: 0.65rem; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.wa-panel { display: none; width: 340px; max-width: calc(100vw - 2.5rem); background: #fff; border-radius: 1.4rem; box-shadow: 0 25px 60px rgba(0,0,0,0.25); overflow: hidden; margin-bottom: 1rem; }
.wa-panel.open { display: block; }
.wa-panel-header { background: #059669; color: #fff; padding: 1.2rem; }
.wa-panel-header .row { display: flex; align-items: center; gap: 0.75rem; }
.wa-panel-header .avatar { width: 2.8rem; height: 2.8rem; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 999px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.wa-panel-header .name { font-weight: 700; font-size: 0.9rem; }
.wa-panel-header .role { font-size: 0.7rem; color: #d1fae5; font-family: var(--font-mono); }
.wa-panel-body { padding: 1.25rem; background: #f8fafc; max-height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 0.9rem; }
.wa-presets { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.wa-preset-btn { padding: 0.6rem; background: #fff; border: 1px solid var(--c-border); border-radius: 0.75rem; text-align: left; font-size: 0.7rem; }
.wa-preset-btn:hover { border-color: #059669; }
.wa-preset-btn .lbl { display: block; font-family: var(--font-mono); font-weight: 700; color: #9ca3af; text-transform: uppercase; margin-bottom: 0.3rem; }
.wa-footer { padding: 1rem; background: #fff; border-top: 1px solid var(--c-border); }

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.hidden { display: none !important; }

/* ============ OEM Design Studio wizard ============ */
.oem-progress {
  display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: center;
  margin-bottom: 2rem; max-width: 60rem; margin-left: auto; margin-right: auto;
}
.oem-progress-step {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.8rem;
  border-radius: 999px; border: 1px solid var(--c-border); background: #fff;
  font-size: 0.75rem; color: #9ca3af; cursor: pointer; transition: all 0.2s ease;
}
.oem-progress-step.active { border-color: var(--c-green); color: var(--c-black); background: rgba(var(--c-green-rgb),0.06); }
.oem-progress-step.completed { color: var(--c-green); border-color: rgba(var(--c-green-rgb),0.4); }
.oem-progress-num {
  width: 1.4rem; height: 1.4rem; border-radius: 999px; background: #f3f4f6; color: #6b7280;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.7rem; flex-shrink: 0;
}
.oem-progress-step.active .oem-progress-num { background: var(--c-green); color: #fff; }
.oem-progress-label { display: none; font-weight: 600; }
@media (min-width: 900px) { .oem-progress-label { display: inline; } }

.oem-wizard { max-width: 60rem; margin: 0 auto; padding: 2.5rem; }
.oem-step-title { font-size: 1.3rem; margin-bottom: 1.5rem; }

.oem-product-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 700px) { .oem-product-grid { grid-template-columns: 1fr 1fr; } }
.oem-product-card { display: block; cursor: pointer; }
.oem-product-card input { position: absolute; opacity: 0; pointer-events: none; }
.oem-product-card-inner {
  border: 1px solid var(--c-border); border-radius: 1rem; padding: 1.25rem;
  height: 100%; transition: all 0.2s ease;
}
.oem-product-card input:checked + .oem-product-card-inner {
  border-color: var(--c-green); background: rgba(var(--c-green-rgb),0.05); box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}
.oem-product-card-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.5rem; }
.oem-product-card-head h4 { font-size: 0.95rem; }
.oem-product-check { display: none; width: 1.3rem; height: 1.3rem; border-radius: 999px; background: var(--c-green); color: #fff; align-items: center; justify-content: center; font-size: 0.7rem; flex-shrink: 0; }
.oem-product-card input:checked + .oem-product-card-inner .oem-product-check { display: flex; }
.oem-product-card-inner p { font-size: 0.85rem; color: #6b7280; line-height: 1.6; margin-bottom: 0.9rem; }
.oem-product-use { border-top: 1px solid #f0f0f0; padding-top: 0.7rem; font-size: 0.75rem; }
.oem-product-use .k { color: #9ca3af; display: block; text-transform: uppercase; font-family: var(--font-mono); font-size: 0.65rem; margin-bottom: 0.2rem; }
.oem-product-use .v { font-weight: 600; }

.oem-dropzone {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.75rem;
  border: 2px dashed var(--c-border); border-radius: 1rem; padding: 2.5rem 1.5rem; cursor: pointer;
  transition: border-color 0.2s ease;
}
.oem-dropzone:hover { border-color: var(--c-green); }
.oem-dropzone input { position: absolute; opacity: 0; width: 0; height: 0; }
.oem-dropzone-icon { font-size: 1.8rem; padding: 0.75rem; background: #f9fafb; border-radius: 999px; }
.oem-dropzone h4 { font-size: 0.95rem; margin-bottom: 0.3rem; }
.oem-dropzone p { font-size: 0.8rem; color: #9ca3af; max-width: 26rem; }
.oem-file-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.oem-file-list-item { display: flex; justify-content: space-between; padding: 0.5rem 0.9rem; background: #f9fafb; border-radius: 0.6rem; font-size: 0.8rem; color: #4b5563; }

.oem-upload-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 700px) { .oem-upload-grid { grid-template-columns: repeat(3, 1fr); } }
.oem-upload-tile {
  position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.4rem;
  border: 1px solid var(--c-border); border-radius: 1rem; padding: 1.25rem 0.75rem; cursor: pointer; transition: all 0.2s ease;
}
.oem-upload-tile:hover { border-color: var(--c-green); background: rgba(var(--c-green-rgb),0.03); }
.oem-upload-tile input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.oem-upload-tile-label { font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700; text-transform: uppercase; color: #9ca3af; }
.oem-upload-tile-icon { font-size: 1.3rem; }
.oem-upload-tile-hint { font-size: 0.75rem; color: #9ca3af; }
.oem-upload-tile-filename { font-size: 0.65rem; color: var(--c-green); font-weight: 600; word-break: break-all; }

.oem-spec-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
@media (min-width: 700px) { .oem-spec-grid { grid-template-columns: 1fr 1fr; } }

.oem-qty-row { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-weight: 700; font-size: 0.85rem; margin-bottom: 0.6rem; }
.oem-qty-value { color: var(--c-green); font-size: 1.2rem; font-family: var(--font-display); }
.oem-range { width: 100%; accent-color: var(--c-green); height: 0.4rem; cursor: pointer; }
.oem-qty-scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.65rem; color: #9ca3af; text-transform: uppercase; margin-top: 0.4rem; }
.oem-banner { margin-top: 1.5rem; padding: 1rem 1.25rem; background: rgba(var(--c-green-rgb),0.05); border: 1px solid rgba(var(--c-green-rgb),0.15); border-radius: 0.9rem; display: flex; gap: 1rem; align-items: center; }
.oem-banner span { font-size: 1.6rem; }
.oem-banner h4 { font-size: 0.85rem; margin-bottom: 0.2rem; }
.oem-banner p { font-size: 0.75rem; color: #6b7280; }

.oem-toggle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
@media (min-width: 700px) { .oem-toggle-grid { grid-template-columns: repeat(3, 1fr); } }
.oem-toggle-tile {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  border: 1px solid var(--c-border); border-radius: 0.8rem; padding: 0.9rem 1rem; cursor: pointer;
  font-size: 0.85rem; transition: all 0.2s ease;
}
.oem-toggle-tile input { position: absolute; opacity: 0; }
.oem-toggle-check { display: none; color: var(--c-green); font-weight: 700; }
.oem-toggle-tile input:checked ~ .oem-toggle-check { display: inline; }
.oem-toggle-tile:has(input:checked) { border-color: var(--c-green); background: rgba(var(--c-green-rgb),0.05); font-weight: 600; }

.oem-inspiration-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-height: 30rem; overflow-y: auto; padding-right: 0.25rem; }
@media (min-width: 700px) { .oem-inspiration-grid { grid-template-columns: 1fr 1fr; } }
.oem-inspiration-card { display: block; cursor: pointer; }
.oem-inspiration-card input { position: absolute; opacity: 0; }
.oem-inspiration-inner { border: 1px solid var(--c-border); border-radius: 1rem; padding: 1.1rem; transition: all 0.2s ease; }
.oem-inspiration-card input:checked + .oem-inspiration-inner { border-color: var(--c-green); background: rgba(var(--c-green-rgb),0.05); }
.oem-inspiration-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.oem-inspiration-cat { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; color: #9ca3af; }
.oem-inspiration-check { display: none; color: var(--c-green); font-weight: 700; }
.oem-inspiration-card input:checked + .oem-inspiration-inner .oem-inspiration-check { display: inline; }
.oem-inspiration-inner h4 { font-size: 0.9rem; margin-bottom: 0.3rem; }
.oem-inspiration-inner p { font-size: 0.78rem; color: #6b7280; margin-bottom: 0.6rem; }
.oem-inspiration-meta { display: flex; gap: 0.5rem; font-size: 0.7rem; font-family: var(--font-mono); color: var(--c-green); }

.oem-note-required { margin-top: 1rem; font-size: 0.78rem; color: #b91c1c; }

.oem-nav-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  border-top: 1px solid var(--c-border); margin-top: 2rem; padding-top: 1.5rem;
}
.oem-step-indicator { font-family: var(--font-mono); font-size: 0.75rem; color: #9ca3af; }