/* ============================================
   Motorpowerlink v4 - Main Stylesheet
   ============================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: #1a1a2e; background: #fff; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- Color Variables ---- */
:root {
    --blue-dark: #1E3A8A;
    --blue: #2563EB;
    --orange: #F97316;
    --orange-light: #FB923C;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-500: #6B7280;
    --gray-800: #1F2937;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

/* ---- Typography ---- */
h1, h2, h3, h4 { color: var(--gray-800); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; }
p { color: var(--gray-500); }

/* ---- Buttons ---- */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: 1rem; cursor: pointer; border: 2px solid transparent; transition: all 0.2s; white-space: nowrap; }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: #ea580c; transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-outline { border-color: var(--orange); color: var(--orange); background: transparent; }
.btn-outline:hover { background: var(--orange); color: #fff; }
.btn-white { background: #fff; color: var(--blue-dark); }
.btn-white:hover { background: var(--gray-100); }
.btn-outline-white { border-color: #fff; color: #fff; }
.btn-outline-white:hover { background: #fff; color: var(--blue-dark); }
.btn-full { width: 100%; text-align: center; }
.section-footer { text-align: center; margin-top: 40px; }

/* ---- Header ---- */
.header { background: #fff; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--blue-dark); }
.logo img { height: 50px; width: auto; }
.nav { display: flex; gap: 28px; }
.nav a { font-weight: 600; color: var(--gray-500); font-size: 0.95rem; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.active { color: var(--blue-dark); border-bottom-color: var(--orange); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
.mobile-nav { display: none; flex-direction: column; background: #fff; border-top: 1px solid var(--gray-200); }
.mobile-nav a { padding: 14px 20px; font-weight: 600; border-bottom: 1px solid var(--gray-200); color: var(--gray-500); }
.mobile-nav a:hover, .mobile-nav a.active { color: var(--orange); background: var(--gray-50); }

/* ---- Hero ---- */
.hero { background: linear-gradient(135deg, var(--blue-dark) 0%, #1e40af 50%, var(--orange) 100%); color: #fff; padding: 80px 0 100px; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; }
.hero h1 { color: #fff; margin-bottom: 20px; font-size: clamp(2rem, 5vw, 3.2rem); }
.hero-sub { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.85); margin-bottom: 36px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-buttons .btn-primary { background: var(--orange); color: #fff; }
.hero-buttons .btn-outline { border-color: #fff; color: #fff; }
.hero-buttons .btn-outline:hover { background: #fff; color: var(--blue-dark); }

/* ---- Stats Bar ---- */
.stats-bar { background: var(--gray-800); color: #fff; padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--orange); }
.stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ---- Sections ---- */
.section { padding: 70px 0; }
.section-alt { background: var(--gray-50); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; color: var(--gray-500); }

/* ---- Products Grid ---- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: #fff; border-radius: 12px; padding: 28px 20px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--gray-200); transition: transform 0.2s, box-shadow 0.2s; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--orange); }
.product-icon { font-size: 3rem; margin-bottom: 12px; }
.product-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--gray-800); }
.product-card p { font-size: 0.875rem; color: var(--gray-500); }

/* ---- Features ---- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.feature-card { background: #fff; border-radius: 12px; padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--gray-200); }
.feature-icon { font-size: 2.5rem; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; }

/* ---- CTA ---- */
.cta { background: linear-gradient(135deg, var(--blue-dark), #1e40af); color: #fff; padding: 70px 0; text-align: center; }
.cta h2 { color: #fff; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- Page Hero ---- */
.page-hero { background: linear-gradient(135deg, var(--blue-dark), #1e40af); color: #fff; padding: 60px 0; text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; }

/* ---- Footer ---- */
.footer { background: var(--gray-800); color: rgba(255,255,255,0.8); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 1.05rem; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-col ul li a { color: rgba(255,255,255,0.65); }
.footer-col ul li a:hover { color: var(--orange); }
.contact-info li { font-size: 0.875rem !important; line-height: 1.6 !important; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 0.875rem; }
.footer-bottom p { color: rgba(255,255,255,0.5); }
.icp { color: rgba(255,255,255,0.4) !important; font-size: 0.8rem !important; }

/* ---- WhatsApp Float ---- */
.whatsapp-float { position: fixed; bottom: 24px; right: 24px; z-index: 9999; background: #25D366; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(37,211,102,0.4); transition: transform 0.2s, box-shadow 0.2s; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(37,211,102,0.5); }
.whatsapp-float svg { width: 36px; height: 36px; }

/* ============================================
   PRODUCTS PAGE — Specifications Table
   ============================================ */
.product-section { background: #fff; border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--gray-200); padding: 40px; margin-bottom: 36px; }
.product-section h2 { color: var(--blue-dark); margin-bottom: 8px; font-size: 1.5rem; }
.product-section h2::before { content: ''; }
.product-section > p { color: var(--gray-500); margin-bottom: 20px; font-size: 0.95rem; }
.product-section-header { margin-bottom: 24px; }
.product-section-header h2 { margin-bottom: 8px; }
.product-section-header p { color: var(--gray-500); font-size: 0.95rem; }

.specs-table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--gray-200); margin-bottom: 16px; }
.specs-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; min-width: 700px; }
.specs-table thead { background: var(--blue-dark); color: #fff; }
.specs-table thead th { padding: 12px 16px; text-align: left; font-weight: 600; white-space: nowrap; }
.specs-table tbody tr { border-bottom: 1px solid var(--gray-200); transition: background 0.15s; }
.specs-table tbody tr:nth-child(even) { background: var(--gray-50); }
.specs-table tbody tr:hover { background: #EFF6FF; }
.specs-table tbody td { padding: 10px 16px; color: var(--gray-800); font-size: 0.875rem; }
.specs-table tbody td:first-child { font-weight: 700; color: var(--blue-dark); white-space: nowrap; }
.product-note { font-size: 0.85rem; color: #166534; background: #f0fdf4; border-left: 3px solid #22c55e; padding: 8px 12px; border-radius: 0 6px 6px 0; margin-top: 12px; }

.product-cta { background: linear-gradient(135deg, var(--blue-dark), #1e40af); border-radius: 12px; padding: 40px; text-align: center; color: #fff; margin-top: 36px; }
.product-cta h3 { color: #fff; margin-bottom: 8px; }
.product-cta p { color: rgba(255,255,255,0.8); margin-bottom: 20px; }

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-text h2 { color: var(--blue-dark); margin-top: 28px; margin-bottom: 12px; font-size: 1.4rem; }
.about-text p { color: var(--gray-500); margin-bottom: 12px; font-size: 0.95rem; }
.cert-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.cert-badge { background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 20px; padding: 6px 14px; font-size: 0.85rem; font-weight: 600; color: var(--gray-800); }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-stat-card { background: var(--blue-dark); border-radius: 12px; padding: 24px; text-align: center; }
.about-stat-num { font-size: 2rem; font-weight: 800; color: var(--orange); }
.about-stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ============================================
   SOLUTIONS PAGE
   ============================================ */
.solution-block { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin-bottom: 50px; padding-bottom: 50px; border-bottom: 1px solid var(--gray-200); }
.solution-block:last-child { border-bottom: none; }
.solution-alt { direction: ltr; }
.solution-text h2 { color: var(--blue-dark); margin-bottom: 12px; }
.solution-text > p { color: var(--gray-500); font-size: 0.95rem; margin-bottom: 16px; }
.solution-text h4 { font-size: 0.95rem; margin-bottom: 10px; color: var(--gray-800); }
.solution-text ul { list-style: none; }
.solution-text ul li { padding: 6px 0; font-size: 0.9rem; color: var(--gray-500); border-bottom: 1px dashed var(--gray-200); }
.solution-text ul li:last-child { border-bottom: none; }
.solution-img-placeholder { background: linear-gradient(135deg, var(--blue-dark), var(--orange)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; color: #fff; min-height: 200px; text-align: center; padding: 20px; }

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; align-items: start; }
.contact-info-panel { background: var(--blue-dark); border-radius: 16px; padding: 36px; color: #fff; }
.contact-info-panel h2 { color: #fff; margin-bottom: 8px; font-size: 1.5rem; }
.contact-info-panel > p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 28px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-icon { font-size: 1.5rem; flex-shrink: 0; width: 36px; text-align: center; padding-top: 2px; }
.contact-item h4 { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-item p { color: #fff; font-size: 0.9rem; line-height: 1.5; }
.contact-item a { color: #fff; }
.contact-item a:hover { color: var(--orange); }
.contact-note { font-size: 0.78rem !important; color: rgba(255,255,255,0.5) !important; margin-top: 4px; }
.contact-social { margin-top: 28px; }
.social-btn { display: block; background: #25D366; color: #fff; padding: 14px 20px; border-radius: 8px; text-align: center; font-weight: 700; font-size: 0.95rem; transition: background 0.2s; }
.social-btn:hover { background: #1fb855; }
.contact-form-panel { background: #fff; border-radius: 16px; padding: 36px; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); }
.contact-form-panel h2 { color: var(--blue-dark); margin-bottom: 24px; font-size: 1.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.875rem; color: var(--gray-800); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-200); border-radius: 8px; font-size: 0.9rem; font-family: inherit; color: var(--gray-800); transition: border-color 0.2s; background: #fff; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.8rem; color: var(--gray-500); text-align: center; margin-top: 10px; }
.map-placeholder { background: var(--gray-100); border-radius: 12px; padding: 40px; text-align: center; border: 1px solid var(--gray-200); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .solution-block { grid-template-columns: 1fr; gap: 24px; }
    .solution-img-placeholder { min-height: 160px; }
}
@media (max-width: 768px) {
    .nav { display: none; }
    .nav-toggle { display: block; }
    .mobile-nav.open { display: flex; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .product-section { padding: 24px 16px; }
    .contact-info-panel { padding: 24px; }
    .contact-form-panel { padding: 24px; }
}
@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .hero { padding: 50px 0 70px; }
}