/* ============================================
   EssFuse Professional Industrial Theme
   ============================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --ef-primary: #0B1D3A;
    --ef-primary-light: #1a2f4f;
    --ef-accent: #E8871E;
    --ef-accent-light: #f5a623;
    --ef-text: #2d3748;
    --ef-text-light: #718096;
    --ef-bg: #ffffff;
    --ef-bg-gray: #f7fafc;
    --ef-border: #e2e8f0;
    --ef-shadow: 0 4px 20px rgba(11,29,58,0.08);
    --ef-shadow-hover: 0 8px 30px rgba(11,29,58,0.15);
    --ef-radius: 10px;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--ef-text);
    background: var(--ef-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
.ef-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
a { color: var(--ef-accent); text-decoration: none; transition: all 0.2s; }
a:hover { color: var(--ef-accent-light); }
img { max-width: 100%; height: auto; }

/* Top Bar */
.ef-topbar {
    background: var(--ef-primary);
    padding: 8px 0;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}
.ef-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.ef-lang-switcher ul {
    list-style: none;
    display: flex;
    gap: 4px;
    margin: 0;
    padding: 0;
}
.ef-lang-switcher li { margin: 0; }
.ef-lang-switcher li a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    color: rgba(255,255,255,0.7);
    font-size: 11px;
    border-radius: 3px;
}
.ef-lang-switcher li a:hover { color: var(--ef-accent-light); background: rgba(255,255,255,0.1); }
.ef-lang-switcher li.current-lang a { color: var(--ef-accent-light); font-weight: 600; }
.ef-lang-switcher img { width: 16px; height: 12px; object-fit: cover; }

/* Header */
.ef-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ef-border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.ef-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}
.ef-logo img { height: 42px; width: auto; object-fit: contain; }
.ef-logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--ef-primary);
    letter-spacing: -0.5px;
}
.ef-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.ef-nav-link {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ef-text);
    border-radius: 6px;
}
.ef-nav-link:hover { color: var(--ef-accent); background: var(--ef-bg-gray); }
.ef-nav-cta {
    padding: 10px 24px;
    background: var(--ef-accent);
    color: #fff !important;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
}
.ef-nav-cta:hover { background: var(--ef-accent-light); transform: translateY(-1px); }
.ef-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.ef-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ef-primary);
    border-radius: 2px;
}
.ef-mobile-nav {
    display: none;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid var(--ef-border);
    padding: 16px 24px;
}
.ef-mobile-nav.open { display: flex; }
.ef-mobile-nav a {
    padding: 12px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--ef-text);
    border-bottom: 1px solid #f0f4f8;
}
.ef-mobile-cta {
    background: var(--ef-accent);
    color: #fff !important;
    text-align: center;
    border-radius: 6px;
    margin-top: 12px;
    border: none !important;
}

/* WhatsApp */
.ef-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 52px;
    height: 52px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 998;
    transition: all 0.3s;
}
.ef-whatsapp:hover { background: #128C7E; transform: scale(1.1); color: #fff; }

/* Hero */
.ef-hero {
    background: linear-gradient(135deg, var(--ef-primary) 0%, var(--ef-primary-light) 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.ef-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232,135,30,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.ef-hero-content { position: relative; z-index: 1; max-width: 700px; }
.ef-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(232,135,30,0.2);
    border: 1px solid rgba(232,135,30,0.4);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ef-accent-light);
    margin-bottom: 24px;
}
.ef-hero h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.ef-hero h1 span { color: var(--ef-accent); }
.ef-hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    line-height: 1.7;
}
.ef-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.ef-btn-primary {
    padding: 14px 32px;
    background: var(--ef-accent);
    color: #fff;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.ef-btn-primary:hover { background: var(--ef-accent-light); transform: translateY(-2px); color: #fff; }
.ef-btn-secondary {
    padding: 14px 32px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
}
.ef-btn-secondary:hover { border-color: var(--ef-accent); color: var(--ef-accent-light); }
.ef-hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-wrap: wrap;
}
.ef-hero-stat h3 {
    font-size: 32px;
    font-weight: 800;
    color: var(--ef-accent);
    margin-bottom: 4px;
}
.ef-hero-stat p {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

/* Sections */
.ef-section { padding: 70px 0; }
.ef-section-gray { background: var(--ef-bg-gray); }
.ef-section-header {
    text-align: center;
    margin-bottom: 48px;
}
.ef-section-subtitle {
    display: inline-block;
    color: var(--ef-accent);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}
.ef-section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--ef-primary);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.ef-section-desc {
    font-size: 15px;
    color: var(--ef-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Feature Cards */
.ef-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.ef-feature-card {
    background: #fff;
    padding: 28px 20px;
    border-radius: var(--ef-radius);
    text-align: center;
    box-shadow: var(--ef-shadow);
    border: 1px solid var(--ef-border);
    transition: all 0.3s;
}
.ef-feature-card:hover { transform: translateY(-4px); box-shadow: var(--ef-shadow-hover); }
.ef-feature-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--ef-accent), var(--ef-accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.ef-feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ef-primary);
    margin-bottom: 8px;
}
.ef-feature-card p {
    font-size: 12px;
    color: var(--ef-text-light);
    line-height: 1.6;
}

/* Product Categories */
.ef-categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ef-category-card {
    position: relative;
    padding: 32px 24px;
    background: var(--ef-primary);
    border-radius: var(--ef-radius);
    color: #fff;
    overflow: hidden;
    transition: all 0.3s;
    display: block;
}
.ef-category-card:hover { transform: translateY(-4px); box-shadow: var(--ef-shadow-hover); }
.ef-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(232,135,30,0.3) 0%, transparent 70%);
    border-radius: 50%;
}
.ef-category-icon { font-size: 32px; margin-bottom: 12px; }
.ef-category-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.ef-category-card p { font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* Products Grid */
.ef-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.ef-product-card {
    background: #fff;
    border-radius: var(--ef-radius);
    overflow: hidden;
    box-shadow: var(--ef-shadow);
    border: 1px solid var(--ef-border);
    transition: all 0.3s;
}
.ef-product-card:hover { transform: translateY(-6px); box-shadow: var(--ef-shadow-hover); border-color: var(--ef-accent); }
.ef-product-image {
    aspect-ratio: 1;
    background: var(--ef-bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.ef-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: all 0.3s;
}
.ef-product-card:hover .ef-product-image img { transform: scale(1.08); }
.ef-product-body { padding: 16px; }
.ef-product-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--ef-primary);
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ef-product-title a { color: var(--ef-primary); }
.ef-product-title a:hover { color: var(--ef-accent); }
.ef-product-sku {
    font-size: 11px;
    color: var(--ef-text-light);
    margin-bottom: 12px;
    font-family: monospace;
}
.ef-product-btn {
    display: block;
    width: 100%;
    padding: 8px;
    text-align: center;
    background: var(--ef-primary);
    color: #fff;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.ef-product-btn:hover { background: var(--ef-accent); color: #fff; }

/* CTA Section */
.ef-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--ef-primary), var(--ef-primary-light));
    color: #fff;
    text-align: center;
}
.ef-cta h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.ef-cta p { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Contact Section */
.ef-contact { padding: 70px 0; background: var(--ef-bg-gray); }
.ef-contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}
.ef-contact-form {
    background: #fff;
    padding: 32px;
    border-radius: var(--ef-radius);
    box-shadow: var(--ef-shadow);
}
.ef-contact-info {
    background: var(--ef-primary);
    padding: 32px;
    border-radius: var(--ef-radius);
    color: #fff;
}
.ef-contact-info h3 { font-size: 18px; margin-bottom: 20px; }
.ef-contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: flex-start;
}
.ef-contact-item strong { display: block; font-size: 12px; color: var(--ef-accent); margin-bottom: 2px; }
.ef-contact-item span { font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.ef-contact-item a { color: rgba(255,255,255,0.7); }
.ef-contact-item a:hover { color: var(--ef-accent-light); }

/* Footer */
.ef-footer {
    background: var(--ef-primary);
    color: rgba(255,255,255,0.7);
    padding: 50px 0 20px;
}
.ef-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 32px;
    margin-bottom: 32px;
}
.ef-footer h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ef-footer ul { list-style: none; padding: 0; }
.ef-footer li { margin-bottom: 8px; }
.ef-footer a { color: rgba(255,255,255,0.6); font-size: 13px; }
.ef-footer a:hover { color: var(--ef-accent-light); }
.ef-footer p { font-size: 13px; line-height: 1.7; margin-bottom: 12px; }
.ef-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .ef-features-grid, .ef-products-grid { grid-template-columns: repeat(3, 1fr); }
    .ef-hero h1 { font-size: 34px; }
}
@media (max-width: 768px) {
    .ef-nav { display: none; }
    .ef-mobile-toggle { display: flex; }
    .ef-features-grid, .ef-categories-grid, .ef-products-grid { grid-template-columns: repeat(2, 1fr); }
    .ef-contact-grid, .ef-footer-grid { grid-template-columns: 1fr; }
    .ef-hero { padding: 50px 0; }
    .ef-hero h1 { font-size: 26px; }
    .ef-hero-stats { gap: 20px; }
    .ef-section { padding: 40px 0; }
    .ef-section-title { font-size: 24px; }
}
@media (max-width: 480px) {
    .ef-features-grid, .ef-products-grid { grid-template-columns: 1fr; }
    .ef-categories-grid { grid-template-columns: 1fr; }
}
/* Form Styles */
.ef-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ef-form-group { margin-bottom: 16px; }
.ef-form-group label { display: block; font-size: 13px; font-weight: 600; color: #0B1D3A; margin-bottom: 6px; }
.ef-form-group input, .ef-form-group select, .ef-form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid #e2e8f0; border-radius: 6px;
    font-size: 13px; color: #2d3748; transition: all 0.2s; box-sizing: border-box;
}
.ef-form-group input:focus, .ef-form-group select:focus, .ef-form-group textarea:focus {
    outline: none; border-color: #E8871E; box-shadow: 0 0 0 3px rgba(232,135,30,0.1);
}
.ef-form-note { font-size: 11px; color: #94a3b8; margin-top: 12px; text-align: center; }
.ef-contact-form-inner { background: #fff; padding: 28px; border-radius: 10px; box-shadow: 0 4px 20px rgba(11,29,58,0.08); }
.ef-contact-details { list-style: none; padding: 0; margin: 0; }
.ef-contact-details li { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-start; }
.ef-contact-icon { font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.ef-contact-details strong { display: block; font-size: 12px; color: #E8871E; margin-bottom: 2px; }
.ef-contact-details span { font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.ef-contact-details a { color: rgba(255,255,255,0.7); text-decoration: none; }
.ef-contact-details a:hover { color: #E8871E; }
.ef-contact-hours { background: #0B1D3A; padding: 20px; border-radius: 10px; color: #fff; margin-top: 16px; }
.ef-contact-hours h4 { font-size: 14px; margin: 0 0 10px; color: #fff; }
.ef-contact-hours p { font-size: 12px; color: rgba(255,255,255,0.7); margin: 0 0 6px; }
.ef-contact-hours .hours-note { color: #E8871E; font-weight: 600; margin-top: 8px; }

@media (max-width: 768px) {
    .ef-form-row { grid-template-columns: 1fr; }
}