/* ============================================================
   LAMBHO INDUSTRIAL - Main Stylesheet
   Colors: Navy Blue, Steel Gray, White, Accent Orange
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&display=swap');

:root {
  --navy:      #0d1f3c;
  --blue:      #1a3a6b;
  --blue-mid:  #1e4d8c;
  --blue-light:#2563b0;
  --steel:     #4a5568;
  --gray:      #6b7280;
  --gray-light:#e5e8ed;
  --bg:        #f4f6f9;
  --white:     #ffffff;
  --accent:    #e8820c;
  --accent-dk: #c96f08;
  --line-green:#06c755;
  --line-dk:   #05a847;
  --shadow:    0 4px 24px rgba(13,31,60,0.10);
  --shadow-lg: 0 8px 40px rgba(13,31,60,0.16);
  --radius:    6px;
  --transition:0.25s ease;
}

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

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

body {
  font-family: 'Barlow', sans-serif;
  background: var(--bg);
  color: var(--steel);
  line-height: 1.6;
}

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

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Barlow Condensed', sans-serif;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { font-size: 0.97rem; color: var(--steel); }

.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}
.section-title { margin-bottom: 0.6rem; }
.section-sub   { color: var(--gray); max-width: 560px; margin: 0 auto; }

/* ── LAYOUT HELPERS ─────────────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.section   { padding: 80px 0; }
.section--alt { background: var(--white); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex    { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 1rem; }

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: 'Barlow', sans-serif;
  font-size: 0.93rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-dk); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,130,12,0.35); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }

.btn-line {
  background: var(--line-green);
  color: var(--white);
  font-size: 1rem;
  padding: 14px 32px;
}
.btn-line:hover { background: var(--line-dk); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(6,199,85,0.35); }
.btn-line svg   { width: 22px; height: 22px; flex-shrink: 0; }

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--blue); transform: translateY(-1px); }

/* ── STICKY HEADER ──────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--navy);
  box-shadow: 0 2px 12px rgba(0,0,0,0.22);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  line-height: 1.1;
}
.logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  font-family: 'Barlow', sans-serif;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-desktop a {
  color: rgba(255,255,255,0.78);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 4px;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.nav-cta {
  margin-left: 8px;
  padding: 9px 18px !important;
  background: var(--line-green) !important;
  color: var(--white) !important;
  border-radius: 5px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--line-dk) !important; }

/* ── HAMBURGER ──────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--blue);
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: block;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--white); }

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-mid) 60%, var(--blue-light) 100%);
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.025) 60px,
      rgba(255,255,255,0.025) 61px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.025) 60px,
      rgba(255,255,255,0.025) 61px
    );
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -80px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,130,12,0.12) 0%, transparent 70%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(232,130,12,0.2);
  color: #f5a542;
  border: 1px solid rgba(232,130,12,0.4);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 1.2rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.1rem; }
.hero h1 em { color: #f5a542; font-style: normal; }
.hero p {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 460px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.hero-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 22px 18px;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}
.hero-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); }
.hero-card:nth-child(2) { margin-top: 24px; }
.hero-card:nth-child(4) { margin-top: 24px; }
.hero-card-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 1.3rem;
}
.hero-card h4 {
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.hero-card p { color: rgba(255,255,255,0.55); font-size: 0.8rem; }

/* ── STATS STRIP ────────────────────────────────────────── */
.stats-strip {
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  padding: 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid var(--gray-light);
}
.stat-item {
  padding: 28px 24px;
  text-align: center;
  border-right: 1px solid var(--gray-light);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--blue-mid);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-num span { color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; }

/* ── PRODUCTS SECTION ───────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 48px;
}
.product-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--gray-light);
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30,77,140,0.2);
}
.product-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-img-placeholder {
  width: 100%;
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.product-img-placeholder .icon { font-size: 2.8rem; opacity: 0.9; }
.product-img-placeholder .lbl {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
}
.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
}
.product-body { padding: 20px; }
.product-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--navy);
}
.product-body p { font-size: 0.85rem; color: var(--gray); line-height: 1.6; }
.product-body .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-mid);
  transition: gap var(--transition);
}
.product-body .learn-more:hover { gap: 9px; }

/* ── FEATURES / WHY US ──────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.feature-item {
  padding: 32px 28px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-item:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.feature-item h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-item p  { font-size: 0.86rem; color: var(--gray); }

/* ── LINE CTA SECTION ───────────────────────────────────── */
.line-cta {
  background: linear-gradient(135deg, #073c18 0%, #0a5e28 60%, #0d7832 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.line-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,0.015) 30px,
    rgba(255,255,255,0.015) 31px
  );
}
.line-cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}
.line-cta h2 { color: var(--white); font-size: clamp(1.6rem, 3vw, 2.4rem); }
.line-cta p  { color: rgba(255,255,255,0.72); margin-top: 10px; font-size: 0.97rem; }
.line-cta-right { text-align: center; }
.line-cta-right .btn-line { font-size: 1.05rem; padding: 15px 36px; }
.line-id {
  margin-top: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

/* ── ABOUT PAGE ─────────────────────────────────────────── */
.about-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  padding: 80px 0;
  text-align: center;
}
.about-hero h1 { color: var(--white); }
.about-hero p  { color: rgba(255,255,255,0.7); max-width: 580px; margin: 16px auto 0; }

.about-content {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 60px;
  align-items: start;
}
.about-content p { margin-bottom: 1rem; line-height: 1.8; }

.value-box {
  background: var(--white);
  border-radius: 10px;
  padding: 28px;
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
}
.value-box h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 18px; border-bottom: 2px solid var(--accent); padding-bottom: 12px; }
.value-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.88rem;
}
.value-list li:last-child { border-bottom: none; }
.value-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── PRODUCTS PAGE ──────────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  padding: 70px 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); }
.page-hero p  { color: rgba(255,255,255,0.7); max-width: 560px; margin: 14px auto 0; }

.category-section { padding: 64px 0; border-bottom: 1px solid var(--gray-light); }
.category-section:last-child { border-bottom: none; }
.category-section:nth-child(even) { background: var(--white); }

.category-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.category-inner.reverse { direction: rtl; }
.category-inner.reverse > * { direction: ltr; }

.category-visual {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--blue-mid) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.cat-icon-wrap {
  text-align: center;
  color: var(--white);
}
.cat-icon-wrap .big-icon { font-size: 5rem; margin-bottom: 12px; }
.cat-icon-wrap .cat-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

.category-info .section-label { margin-bottom: 8px; }
.category-info h2 { margin-bottom: 14px; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.category-info p  { color: var(--gray); line-height: 1.8; margin-bottom: 14px; }

.spec-list {
  margin: 18px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.spec-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--steel);
}
.spec-list li .dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── CONTACT PAGE ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}
.contact-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-light);
}
.contact-card.line-card {
  background: linear-gradient(135deg, #073c18 0%, #0a5e28 100%);
  border: none;
}
.contact-card h3 { font-size: 1.3rem; margin-bottom: 20px; }
.contact-card.line-card h3 { color: var(--white); }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-light);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail strong { display: block; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray); margin-bottom: 3px; font-weight: 600; }
.contact-detail a, .contact-detail span { font-size: 0.95rem; color: var(--navy); font-weight: 500; }

.line-qr-wrap {
  text-align: center;
  padding: 20px 0 10px;
}
.line-qr-box {
  width: 160px;
  height: 160px;
  background: var(--white);
  border-radius: 12px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.line-qr-box img { width: 100%; height: 100%; object-fit: contain; }
.qr-placeholder {
  width: 140px;
  height: 140px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 4px;
}
.qr-dot { background: #333; border-radius: 1px; }
.line-card p { color: rgba(255,255,255,0.75); font-size: 0.88rem; margin-bottom: 16px; text-align: center; }
.line-card .btn-line { width: 100%; justify-content: center; margin-top: 10px; }
.line-id-text { color: rgba(255,255,255,0.55) !important; font-size: 0.8rem !important; margin-top: 8px; }

/* ── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.65);
  padding: 48px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-about .logo-text { color: var(--white); }
.footer-about .logo-text span { color: rgba(255,255,255,0.45); }
.footer-about p { font-size: 0.85rem; line-height: 1.7; margin-top: 14px; }
.footer-col h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 14px;
  font-weight: 600;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.86rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-line-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--line-green);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
  margin-top: 8px;
  transition: all var(--transition);
}
.footer-line-btn:hover { background: var(--line-dk); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* ── PAGE TRANSITION FADE ───────────────────────────────── */
.page-fade { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ── BREADCRUMB ─────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.35); }

/* ── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue-light); border-radius: 4px; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .product-grid   { grid-template-columns: repeat(2, 1fr); }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stats-inner    { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}
@media (max-width: 840px) {
  .nav-desktop  { display: none; }
  .hamburger    { display: flex; }
  .hero-inner   { grid-template-columns: 1fr; }
  .hero-visual  { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
  .category-inner { grid-template-columns: 1fr; }
  .category-inner.reverse { direction: ltr; }
  .line-cta-inner { grid-template-columns: 1fr; text-align: center; }
  .line-cta-right { justify-self: center; }
  .footer-grid    { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .section       { padding: 52px 0; }
  .product-grid  { grid-template-columns: 1fr; }
  .stats-inner   { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero          { padding: 60px 0 56px; }
  .hero-actions  { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}