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

body { font-family: 'Segoe UI', system-ui, sans-serif; line-height: 1.6; color: #333; }

.navbar { background: white; box-shadow: 0 2px 15px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 1000; }
.nav-container { max-width: 1280px; margin: 0 auto; padding: 1.2rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 700; color: #b45309; }
.nav-links a { margin: 0 1.2rem; text-decoration: none; color: #333; font-weight: 500; }
.nav-links a:hover { color: #b45309; }
.cta-button { background: #b45309; color: white; padding: 0.7rem 1.8rem; border-radius: 9999px; text-decoration: none; font-weight: 600; }
.cta-button:hover { background: #92400e; transform: translateY(-2px); }

.hero { height: 100vh; background: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)), url('https://picsum.photos/id/1015/2000/1200') center/cover no-repeat; display: flex; align-items: center; color: white; text-align: center; }
.hero-content { max-width: 900px; margin: 0 auto; padding: 0 2rem; }
.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 1.5rem; }
.hero p { font-size: 1.4rem; margin-bottom: 2.5rem; }
.hero-buttons .btn { display: inline-block; padding: 1rem 2.2rem; border-radius: 9999px; font-size: 1.1rem; font-weight: 600; margin: 0 0.8rem; text-decoration: none; }
.primary { background: #b45309; color: white; }
.primary:hover { background: #92400e; }
.secondary { border: 2px solid white; color: white; }
.secondary:hover { background: white; color: #333; }
.hero-stats { margin-top: 4rem; font-size: 1.1rem; opacity: 0.9; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section-title { font-size: 2.6rem; font-weight: 700; text-align: center; margin-bottom: 3rem; color: #1f2937; }

.features { padding: 5rem 0; background: #f9fafb; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.feature-card { text-align: center; padding: 2rem 1rem; background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); }
.feature-card i { font-size: 3rem; color: #b45309; margin-bottom: 1rem; }

.portfolio { padding: 6rem 0; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 2rem; }
.portfolio-item { border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); transition: transform 0.4s; }
.portfolio-item:hover { transform: translateY(-12px); }
.portfolio-item img { width: 100%; height: 260px; object-fit: cover; }
.portfolio-info { padding: 1.5rem; background: white; }
.tag { background: #fef3c7; color: #92400e; font-size: 0.85rem; padding: 4px 12px; border-radius: 9999px; }

.services { padding: 6rem 0; background: #f9fafb; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { background: white; padding: 2.5rem; border-radius: 16px; box-shadow: 0 5px 25px rgba(0,0,0,0.06); }
.service-card h3 { font-size: 1.6rem; margin-bottom: 1rem; color: #1f2937; }

.testimonials { padding: 6rem 0; }
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.testimonial-card { background: #f8f9fa; padding: 2.5rem; border-radius: 16px; font-style: italic; }
.client { margin-top: 1.5rem; font-weight: 600; color: #b45309; }

.contact { padding: 6rem 0; background: #fefce8; }
.contact-form { max-width: 700px; margin: 0 auto; background: white; padding: 3rem; border-radius: 20px; box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: 1rem 1.2rem; border: 1px solid #ddd; border-radius: 12px; font-size: 1rem; margin-bottom: 1.2rem; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: #b45309; }
.submit-btn { width: 100%; background: #b45309; color: white; border: none; padding: 1.2rem; font-size: 1.2rem; font-weight: 600; border-radius: 9999px; cursor: pointer; }
.submit-btn:hover { background: #92400e; transform: translateY(-3px); }

.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: #25d366; color: white; width: 65px; height: 65px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4); z-index: 999; transition: transform 0.3s; }
.whatsapp-float:hover { transform: scale(1.1); }

footer { background: #111827; color: #ddd; text-align: center; padding: 3rem 0; }
.logo-footer { font-size: 1.8rem; font-weight: 700; color: #fbbf24; margin-bottom: 0.5rem; }
.demo-note { margin-top: 1.5rem; font-size: 0.9rem; opacity: 0.6; }

@media (max-width: 768px) {
  .hero h1 { font-size: 2.6rem; }
  .nav-links { display: none; }
  .form-grid { grid-template-columns: 1fr; }
}