/* Reset and Base Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--main-font, sans-serif);
    color: #374151;
    line-height: 1.6;
    background-color: #fafafa;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; }

/* Utilities */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.section-title { font-size: 2.5rem; color: #111827; margin-bottom: 1rem; font-weight: 700; }
.section-subtitle { font-size: 1.125rem; color: #6b7280; max-width: 600px; margin: 0 auto 3rem; }

/* Buttons */
.btn {
    display: inline-flex; justify-content: center; align-items: center;
    padding: 0.75rem 1.5rem; text-decoration: none; border-radius: 8px;
    font-weight: 600; transition: all 0.3s ease; border: none; cursor: pointer;
}
.btn-primary { background-color: var(--primary-color); color: #fff; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0,0,0,0.15); }
.btn-outline { background-color: transparent; border: 1px solid var(--primary-color); color: var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: white; }

/* Header */
.main-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    border-bottom: 1px solid #e5e7eb;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { font-size: 1.5rem; font-weight: 800; color: #111827; text-decoration: none; display: flex; align-items: center; gap: 8px; }
.desktop-nav a { margin: 0 1rem; color: #4b5563; text-decoration: none; font-weight: 500; transition: color 0.2s; }
.desktop-nav a:hover { color: var(--primary-color); }
.nav-cta { display: flex; gap: 1rem; }

@media (max-width: 768px) {
    .desktop-nav { display: none; }
    .nav-cta a.btn-outline { display: none; }
}

/* Sections Spacer */
.section { padding: 5rem 0; }
.bg-light { background-color: #f9fafb; }

/* Form Component */
.lead-form {
    background: white; padding: 2rem; border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.form-group { margin-bottom: 1rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: #374151; }
.form-group input { width: 100%; padding: 0.75rem; border: 1px solid #d1d5db; border-radius: 6px; outline: none; }
.form-group input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2); }
.form-feedback { margin-top: 1rem; padding: 0.75rem; border-radius: 6px; display: none; }
.form-feedback.success { background-color: #d1fae5; color: #065f46; display: block; }
.form-feedback.error { background-color: #fee2e2; color: #991b1b; display: block; }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Cards */
.feature-card {
    background: white; padding: 2rem; border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid #f3f4f6; transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-5px); }
.feature-card .icon { font-size: 2rem; color: var(--primary-color); margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.25rem; color: #111827; margin-bottom: 0.5rem; }

/* Footer */
.main-footer { background-color: #111827; color: #d1d5db; padding: 4rem 0 2rem; margin-top: 4rem;}
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-col h4 { color: white; font-size: 1.125rem; margin-bottom: 1rem; }
.footer-col a { display: block; color: #9ca3af; text-decoration: none; margin-bottom: 0.5rem; }
.footer-col a:hover { color: white; }
.footer-bottom { text-align: center; border-top: 1px solid #374151; padding-top: 2rem; margin-top: 2rem; font-size: 0.875rem; }

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed; bottom: 20px; right: 20px;
    background-color: #25d366; color: white;
    width: 60px; height: 60px; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    z-index: 999; transition: transform 0.3s;
}
.floating-whatsapp:hover { transform: scale(1.1); }