:root { --primary-color: #0F172A; --secondary-color: #D4AF37; --text-color: #334155; --light-bg: #F8FAFC; --white: #FFFFFF; --wa-green: #25D366; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--text-color); background-color: var(--light-bg); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1, h2, h3 { color: var(--primary-color); margin-bottom: 1rem; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; text-align: center; margin-bottom: 2rem; }
p { margin-bottom: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 4rem 0; }
header { background: var(--white); box-shadow: 0 2px 4px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--primary-color); display: flex; align-items: center; gap: 10px;}
.logo span { color: var(--secondary-color); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--secondary-color); }
.btn { display: inline-block; padding: 12px 24px; border-radius: 4px; font-weight: bold; transition: all 0.3s; text-align: center; border: none; cursor: pointer; }
.btn-primary { background: var(--secondary-color); color: var(--white); }
.btn-primary:hover { background: #b5952f; }
.btn-wa { background: var(--wa-green); color: var(--white); display: inline-flex; align-items: center; gap: 8px; }
.btn-wa:hover { background: #20ba56; }
.btn-outline { border: 2px solid var(--primary-color); color: var(--primary-color); }
.btn-outline:hover { background: var(--primary-color); color: var(--white); }
.hero { background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), url('../img/powder-100x-macro.png') center/cover; color: var(--white); padding: 8rem 0; text-align: center; }
.hero h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero p { font-size: 1.25rem; max-width: 800px; margin: 0 auto 2rem; color: #cbd5e1; }
.compliance-note { font-size: 0.875rem; color: #94a3b8; margin-top: 1rem; font-style: italic; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card { background: var(--white); padding: 2rem; border-radius: 8px; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.feature-icon { width: 64px; height: 64px; margin: 0 auto 1rem; color: var(--secondary-color); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.product-card { background: var(--white); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.product-img { width: 100%; height: 250px; object-fit: cover; background: #e2e8f0; }
.product-content { padding: 2rem; }
.product-content h3 { color: var(--primary-color); }
.spec-table { width: 100%; border-collapse: collapse; margin: 2rem 0; background: var(--white); box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.spec-table th, .spec-table td { padding: 12px 16px; border: 1px solid #e2e8f0; text-align: left; }
.spec-table th { background: var(--primary-color); color: var(--white); font-weight: 600; }
.spec-table tr:nth-child(even) { background: #f8fafc; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.form-control { width: 100%; padding: 10px; border: 1px solid #cbd5e1; border-radius: 4px; font-family: inherit; }
textarea.form-control { height: 150px; resize: vertical; }
footer { background: var(--primary-color); color: var(--white); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { color: var(--secondary-color); margin-bottom: 1.5rem; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a:hover { color: var(--secondary-color); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.875rem; color: #94a3b8; }
.wa-float { position: fixed; bottom: 30px; right: 30px; background: var(--wa-green); color: white; border-radius: 50px; padding: 12px 24px; display: flex; align-items: center; gap: 10px; box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4); z-index: 100; font-weight: bold; transition: transform 0.3s; }
.wa-float:hover { transform: translateY(-5px); color: white; }
.wa-icon-svg { width: 24px; height: 24px; fill: currentColor; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-color); }
@media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; position: absolute; top: 80px; left: 0; width: 100%; background: var(--white); padding: 1rem; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }
    .hero h1 { font-size: 2rem; }
    .hero { padding: 4rem 0; }
}