/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; }
html { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; background: #0a0a0a; color: #fff; line-height: 1.6; overflow-x: hidden; min-width: 320px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Gradients & Colors */
.gradient-text { background: linear-gradient(135deg, #8b45c4, #c45cff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; word-wrap: break-word; overflow-wrap: break-word; hyphens: auto; word-break: normal; white-space: normal; }
.gradient-bg { background: linear-gradient(135deg, #8b45c4, #c45cff); }
.gradient-border { border: 1px solid rgba(139, 69, 196, 0.2); }
.card-bg { background: rgba(20, 20, 20, 0.8); }
.dark-bg { background: rgba(10, 10, 10, 1); }

/* Navigation */
.navbar { position: fixed; top: 0; width: 100%; background: rgba(10, 10, 10, 0.95); backdrop-filter: blur(10px); z-index: 1000; transition: all 0.3s ease; border-bottom: 1px solid rgba(139, 69, 196, 0.1); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; height: 70px; }
.nav-logo { display: flex; align-items: center; gap: 0.8rem; transition: all 0.3s ease; }
.nav-logo-img { width: 28px; height: 28px; object-fit: contain; filter: brightness(1); transition: all 0.3s ease; max-width: 28px; max-height: 28px; flex-shrink: 0; }
.nav-logo:hover .nav-logo-img { filter: brightness(1.1); transform: scale(1.05); }
.nav-logo h2 { @extend .gradient-text; font-weight: 700; font-size: 1.8rem; transition: all 0.3s ease; }
.nav-logo:hover h2 { transform: scale(1.02); }
.nav-logo a { text-decoration: none; color: inherit; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-link { color: #fff; text-decoration: none; font-weight: 500; transition: all 0.3s ease; position: relative; }
.nav-link:hover { color: #c45cff; }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; @extend .gradient-bg; transition: width 0.3s ease; }
.nav-link:hover::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; cursor: pointer; }
.bar { width: 25px; height: 3px; background: #fff; margin: 3px 0; transition: 0.3s; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 50% 50%, rgba(139, 69, 196, 0.1) 0%, rgba(10, 10, 10, 1) 100%); }
.floating-shapes { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.shape { position: absolute; border-radius: 50%; background: linear-gradient(135deg, rgba(139, 69, 196, 0.1), rgba(196, 92, 255, 0.1)); animation: float 6s ease-in-out infinite; }
.shape-1 { width: 80px; height: 80px; top: 20%; left: 10%; animation-delay: 0s; }
.shape-2 { width: 120px; height: 120px; top: 60%; right: 15%; animation-delay: 2s; }
.shape-3 { width: 60px; height: 60px; top: 30%; right: 30%; animation-delay: 4s; }
.shape-4 { width: 100px; height: 100px; bottom: 20%; left: 20%; animation-delay: 1s; }
.shape-5 { width: 140px; height: 140px; top: 10%; right: 5%; animation-delay: 3s; }

.hero-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 2; }
.hero-content { animation: slideInLeft 1s ease-out; }
.hero-subtitle { color: #c45cff; font-size: 1.1rem; font-weight: 500; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px; }
.hero-title { font-size: 3.5rem; font-weight: 800; line-height: 1.1; margin-bottom: 1.5rem; }
.title-line { display: block; color: #fff; }
.title-gradient { display: block; @extend .gradient-text; line-height: 1.2; padding-bottom: 0.2rem; }
.hero-description { font-size: 1.2rem; color: #ccc; margin-bottom: 2.5rem; line-height: 1.7; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem; font-size: 1rem; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all 0.3s ease; position: relative; overflow: hidden; z-index: 1; }
.btn-primary { @extend .gradient-bg; color: #fff; box-shadow: 0 10px 30px rgba(139, 69, 196, 0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(139, 69, 196, 0.5); }
.btn-secondary { background: transparent; color: #fff; border: 2px solid #8b45c4; }
.btn-secondary:hover { @extend .gradient-bg; transform: translateY(-3px); }

/* Code Animation */
.hero-visual { animation: slideInRight 1s ease-out; }
.code-animation { background: rgba(20, 20, 20, 0.8); @extend .gradient-border; border-radius: 10px; padding: 2rem; font-family: 'Courier New', monospace; position: relative; overflow: hidden; }
.code-animation::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(139, 69, 196, 0.1), transparent); animation: codeSlide 3s linear infinite; }
.code-line { margin-bottom: 0.5rem; opacity: 0; animation: codeTyping 0.5s ease-out forwards; }
.code-line:nth-child(1) { animation-delay: 0.5s; }
.code-line:nth-child(2) { animation-delay: 1s; }
.code-line:nth-child(3) { animation-delay: 1.5s; }
.code-line:nth-child(4) { animation-delay: 2s; }
.code-line:nth-child(5) { animation-delay: 2.5s; }
.code-line:nth-child(6) { animation-delay: 3s; }
.code-line:nth-child(7) { animation-delay: 3.5s; }
.code-line:nth-child(8) { animation-delay: 4s; }
.tag { color: #ff6b9d; }
.property { color: #4ecdc4; }
.value { color: #ffd93d; }

/* Scroll Indicator */
.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); animation: bounce 2s infinite; }
.scroll-arrow { width: 2px; height: 30px; @extend .gradient-bg; position: relative; }
.scroll-arrow::after { content: ''; position: absolute; bottom: 0; left: -5px; width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 10px solid #c45cff; }

/* Sections */
section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 4rem; width: 100%; max-width: 100%; overflow: hidden; }
.section-title { font-size: 2.3rem; font-weight: 700; margin-bottom: 1rem; @extend .gradient-text; line-height: 1.3; max-width: 100%; word-wrap: break-word; overflow-wrap: break-word; hyphens: auto; word-break: normal; white-space: normal; min-width: 0; }
.section-subtitle { font-size: 1.2rem; color: #ccc; max-width: 600px; margin: 0 auto; }

/* Services */
.services { background: linear-gradient(135deg, rgba(139, 69, 196, 0.05), rgba(10, 10, 10, 1)); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { @extend .card-bg; border: 1px solid rgba(139, 69, 196, 0.2); border-radius: 15px; padding: 2.5rem; text-align: center; transition: all 0.3s ease; position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(139, 69, 196, 0.1), transparent); transition: left 0.5s ease; }
.service-card:hover::before { left: 100%; }
.service-card:hover { transform: translateY(-10px); border-color: rgba(139, 69, 196, 0.5); box-shadow: 0 20px 40px rgba(139, 69, 196, 0.2); }
.service-icon { width: 80px; height: 80px; @extend .gradient-bg; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; font-size: 2rem; color: #fff; position: relative; z-index: 2; }
.service-card h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; color: #fff; }
.service-card p { color: #ccc; line-height: 1.6; }

/* Enterprise Systems */
.enterprise-systems { background: linear-gradient(135deg, rgba(10, 10, 10, 1), rgba(139, 69, 196, 0.08)); padding: 6rem 0; }
.enterprise-systems .section-description { max-width: 800px; margin: 1.5rem auto 0; color: #bbb; font-size: 1.1rem; line-height: 1.6; text-align: center; }
.systems-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; margin-top: 3rem; max-width: 800px; margin-left: auto; margin-right: auto; }
.system-card { background: rgba(15, 15, 15, 0.9); border: 1px solid rgba(139, 69, 196, 0.3); border-radius: 20px; padding: 2.5rem; transition: all 0.4s ease; position: relative; overflow: hidden; }
.system-card::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(139, 69, 196, 0.15), transparent); transition: left 0.6s ease; }
.system-card:hover::before { left: 100%; }
.system-card:hover { transform: translateY(-15px) scale(1.02); border-color: rgba(139, 69, 196, 0.6); box-shadow: 0 25px 50px rgba(139, 69, 196, 0.25); }
.system-icon { width: 90px; height: 90px; @extend .gradient-bg; border-radius: 20px; display: flex; align-items: center; justify-content: center; margin-bottom: 2rem; font-size: 2.5rem; color: #fff; position: relative; z-index: 2; box-shadow: 0 10px 30px rgba(139, 69, 196, 0.3); }
.system-card h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1.2rem; color: #fff; @extend .gradient-text; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }
.system-card p { color: #ccc; line-height: 1.6; margin-bottom: 1.5rem; font-size: 0.95rem; }
.system-features { list-style: none; padding: 0; margin: 0; }
.system-features li { display: flex; align-items: center; color: #ddd; margin-bottom: 0.8rem; font-size: 0.9rem; }
.system-features li i { color: #8b45c4; margin-right: 0.8rem; font-size: 0.8rem; }

.systems-examples { max-width: 900px; margin: 4rem auto 0; text-align: center; }
.systems-examples h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 2rem; color: #fff; @extend .gradient-text; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }
.examples-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2.5rem; }
.example-item { background: rgba(139, 69, 196, 0.08); border: 1px solid rgba(139, 69, 196, 0.25); border-radius: 18px; padding: 2rem; text-align: left; transition: all 0.4s ease; display: flex; align-items: flex-start; gap: 1.5rem; position: relative; overflow: hidden; }
.example-item::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(139, 69, 196, 0.1), transparent); transition: left 0.5s ease; }
.example-item:hover::before { left: 100%; }
.example-item:hover { background: rgba(139, 69, 196, 0.15); border-color: rgba(139, 69, 196, 0.5); transform: translateY(-8px); box-shadow: 0 15px 35px rgba(139, 69, 196, 0.2); }
.example-icon { width: 60px; height: 60px; @extend .gradient-bg; border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: #fff; flex-shrink: 0; box-shadow: 0 8px 20px rgba(139, 69, 196, 0.3); position: relative; z-index: 2; }
.example-content { flex: 1; position: relative; z-index: 2; }
.example-content h4 { color: #fff; font-size: 1.3rem; font-weight: 600; margin-bottom: 0.8rem; @extend .gradient-text; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }
.example-content p { color: #ccc; line-height: 1.6; font-size: 0.95rem; margin: 0 0 1rem 0; }
.example-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.5rem; font-size: 0.9rem; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all 0.3s ease; @extend .gradient-bg; color: #fff !important; margin-top: 0.8rem; box-shadow: 0 5px 15px rgba(139, 69, 196, 0.3); background-clip: border-box !important; -webkit-background-clip: border-box !important; -webkit-text-fill-color: #fff !important; }
.example-btn:hover { transform: translateX(5px); box-shadow: 0 8px 20px rgba(139, 69, 196, 0.5); color: #fff !important; -webkit-text-fill-color: #fff !important; }
.example-btn i { font-size: 0.8rem; transition: transform 0.3s ease; color: #fff !important; -webkit-text-fill-color: #fff !important; }
.example-btn:hover i { transform: translateX(3px); }

/* Tech Stack */
.tech-stack { @extend .dark-bg; overflow-x: hidden; width: 100%; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 2rem; margin-top: 3rem; width: 100%; overflow: hidden; }
.tech-item { display: flex; flex-direction: column; align-items: center; padding: 2rem; background: rgba(20, 20, 20, 0.5); border: 1px solid rgba(139, 69, 196, 0.1); border-radius: 15px; transition: all 0.3s ease; width: 100%; min-width: 0; overflow: hidden; box-sizing: border-box; }
.tech-item:hover { transform: translateY(-5px); border-color: rgba(139, 69, 196, 0.5); background: rgba(139, 69, 196, 0.1); }
.tech-icon { font-size: 3rem; color: #c45cff; margin-bottom: 1rem; }
.tech-item span { font-weight: 500; color: #fff; text-align: center; word-wrap: normal; hyphens: none; max-width: 100%; }

/* Features */
.features { background: linear-gradient(135deg, rgba(139, 69, 196, 0.03), rgba(10, 10, 10, 1)); }
.features-grid { display: grid; gap: 5rem; }
.feature-item { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.feature-item:nth-child(even) { direction: rtl; }
.feature-item:nth-child(even) > * { direction: ltr; }
.feature-badge { display: inline-block; @extend .gradient-bg; color: #fff; padding: 0.5rem 1rem; border-radius: 20px; font-size: 0.9rem; font-weight: 500; margin-bottom: 1rem; }
.feature-content h3 { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; color: #fff; }
.feature-content p { font-size: 1.1rem; color: #ccc; line-height: 1.7; }

/* Mobile Mockup */
.mobile-mockup { width: 200px; height: 400px; background: #222; border-radius: 25px; padding: 20px; margin: 0 auto; position: relative; border: 3px solid #8b45c4; box-shadow: 0 20px 40px rgba(139, 69, 196, 0.3); }
.mobile-screen { width: 100%; height: 100%; background: #111; border-radius: 15px; overflow: hidden; position: relative; }
.mobile-content { padding: 15px; }
.mobile-header { height: 30px; @extend .gradient-bg; border-radius: 5px; margin-bottom: 15px; animation: pulse 2s infinite; }
.mobile-element { height: 20px; background: rgba(139, 69, 196, 0.3); border-radius: 3px; margin-bottom: 10px; animation: slideIn 1s ease-out; }
.mobile-element:nth-child(2) { animation-delay: 0.2s; }
.mobile-element:nth-child(3) { animation-delay: 0.4s; }
.mobile-element:nth-child(4) { animation-delay: 0.6s; }

/* Brand Visual */
.brand-visual { display: flex; justify-content: center; align-items: center; height: 400px; }
.brand-elements { position: relative; width: 200px; height: 200px; }
.brand-circle, .brand-square, .brand-triangle { position: absolute; background: linear-gradient(135deg, #8b45c4, #c45cff); animation: rotate 4s linear infinite; }
.brand-circle { width: 80px; height: 80px; border-radius: 50%; top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.brand-square { width: 60px; height: 60px; bottom: 20px; left: 20px; border-radius: 10px; animation-delay: 1s; }
.brand-triangle { width: 0; height: 0; border-left: 30px solid transparent; border-right: 30px solid transparent; border-bottom: 52px solid #c45cff; background: transparent; bottom: 20px; right: 20px; animation-delay: 2s; }

/* FAQ */
.faq { @extend .dark-bg; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { @extend .gradient-border; border-radius: 10px; margin-bottom: 1rem; overflow: hidden; transition: all 0.3s ease; }
.faq-item:hover { border-color: rgba(139, 69, 196, 0.3); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem; cursor: pointer; background: rgba(20, 20, 20, 0.5); transition: all 0.3s ease; }
.faq-question:hover { background: rgba(139, 69, 196, 0.1); }
.faq-question h3 { font-size: 1.1rem; font-weight: 600; color: #fff; }
.faq-question i { color: #c45cff; transition: transform 0.3s ease; }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-item.active .faq-answer { padding: 1.5rem; max-height: 200px; }
.faq-answer p { color: #ccc; line-height: 1.6; }

/* Contact */
.contact { background: linear-gradient(135deg, rgba(139, 69, 196, 0.05), rgba(10, 10, 10, 1)); overflow: hidden; width: 100%; }
.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; width: 100%; max-width: 100%; overflow: hidden; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; }
.contact-icon { width: 60px; height: 60px; @extend .gradient-bg; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff; }
.contact-item h4 { font-size: 1.2rem; font-weight: 600; color: #fff; margin-bottom: 0.5rem; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }
.contact-item p { color: #ccc; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }
.contact-cta { text-align: center; padding: 3rem; @extend .card-bg; @extend .gradient-border; border-radius: 15px; }
.contact-cta h3 { font-size: 2rem; font-weight: 700; margin-bottom: 2rem; color: #fff; word-wrap: normal; overflow-wrap: normal; hyphens: none; word-break: normal; white-space: normal; }

/* Footer */
.footer { background: rgba(5, 5, 5, 1); padding: 3rem 0 1rem; border-top: 1px solid rgba(139, 69, 196, 0.1); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.footer-logo { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.footer-logo-img { width: 32px; height: 32px; object-fit: contain; filter: brightness(1); transition: all 0.3s ease; }
.footer-logo:hover .footer-logo-img { filter: brightness(1.1); transform: scale(1.05); }
.footer-brand h3 { @extend .gradient-text; font-size: 1.5rem; margin: 0; transition: all 0.3s ease; }
.footer-logo:hover h3 { transform: scale(1.02); }
.footer-brand p { color: #ccc; line-height: 1.6; }
.footer-links h4, .footer-contact h4 { color: #fff; font-size: 1.2rem; margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: #ccc; text-decoration: none; transition: color 0.3s ease; }
.footer-links a:hover { color: #c45cff; }
.footer-contact p { color: #ccc; margin-bottom: 0.5rem; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(139, 69, 196, 0.1); }
.footer-bottom p { color: #888; }

/* WhatsApp */
.whatsapp-sticky { position: fixed; bottom: 20px; right: 20px; width: 60px; height: 60px; background: linear-gradient(135deg, #25d366, #128c7e); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: #fff; text-decoration: none; box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3); z-index: 9999; transition: all 0.3s ease; animation: whatsappPulse 2s infinite; -webkit-tap-highlight-color: transparent; }
.whatsapp-sticky:hover { transform: scale(1.1); box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5); }
.whatsapp-sticky:active { transform: scale(0.95); }
@media (hover: none) and (pointer: coarse) { .whatsapp-sticky:hover { transform: scale(1); box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3); } .whatsapp-sticky:active { transform: scale(1.05); box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4); } }

/* Animations */
@keyframes float { 0%, 100% { transform: translateY(0px) rotate(0deg); } 50% { transform: translateY(-20px) rotate(180deg); } }
@keyframes codeSlide { 0% { left: -100%; } 100% { left: 100%; } }
@keyframes codeTyping { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-10px); } 60% { transform: translateY(-5px); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes whatsappPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-50px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }

/* Responsive */
@media (max-width: 768px) {
    .nav-logo-img { width: 24px; height: 24px; max-width: 24px; max-height: 24px; }
    .footer-logo-img { width: 28px; height: 28px; }
    .footer-logo { justify-content: center; }
    .nav-logo h2 { font-size: 1.6rem; }
    .nav-menu { position: fixed; left: -100%; top: 70px; flex-direction: column; background-color: rgba(10, 10, 10, 0.98); width: 100%; text-align: center; transition: 0.3s; box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05); backdrop-filter: blur(10px); }
    .nav-menu.active { left: 0; }
    .nav-item { margin: 1rem 0; }
    .nav-toggle { display: flex; }
    .nav-toggle.active .bar:nth-child(2) { opacity: 0; }
    .nav-toggle.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-toggle.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .hero-container { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .hero-title { font-size: 2.5rem; }
    .services-grid, .systems-grid, .examples-list { grid-template-columns: 1fr; }
    .systems-grid { gap: 2rem; }
    .system-card { padding: 2rem; }
    .system-icon { width: 80px; height: 80px; font-size: 2rem; }
    .example-item { flex-direction: column; text-align: center; gap: 1rem; padding: 1.5rem; }
    .example-icon { width: 55px; height: 55px; font-size: 1.6rem; margin: 0 auto; }
    .example-btn { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
    .systems-examples { margin-top: 3rem; }
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
    .feature-item { grid-template-columns: 1fr; gap: 2rem; }
    .feature-item:nth-child(even) { direction: ltr; }
    .brand-visual { display: none; }
    .brand-circle, .brand-square, .brand-triangle { display: none; }
    .contact-content, .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .footer-content { text-align: center; }
    .hero-buttons { justify-content: center; }
    .btn { padding: 0.8rem 1.5rem; font-size: 0.9rem; }
    .section-title { font-size: 1.8rem; line-height: 1.4; padding: 0 1rem; text-align: center; }
    .section-subtitle { font-size: 1rem; }
    .service-card h3, .system-card h3 { font-size: 1.4rem; }
    .systems-examples h3, .contact-cta h3, .feature-content h3 { font-size: 1.8rem; }
    .contact-content { gap: 3rem; }
    .contact-cta { padding: 2.5rem; }
    .contact-icon { width: 50px; height: 50px; font-size: 1.3rem; }
    .whatsapp-sticky { width: 58px; height: 58px; font-size: 1.7rem; bottom: 18px; right: 18px; }
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 1.5rem; }
    .tech-item { padding: 1.5rem 1rem; }
    .tech-icon { font-size: 2.5rem; }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 1.6rem; line-height: 1.4; padding: 0 0.3rem; text-align: center; letter-spacing: -0.01em; }
    .service-card h3, .system-card h3 { font-size: 1.35rem; }
    .systems-examples h3 { font-size: 1.55rem; }
    .contact-cta h3 { font-size: 1.7rem; }
    .contact-content { gap: 2rem; }
    .contact-cta { padding: 2rem; }
    .contact-info { gap: 1.5rem; }
    .contact-icon { width: 45px; height: 45px; font-size: 1.2rem; }
    .contact-item h4 { font-size: 1.1rem; }
    .whatsapp-sticky { width: 55px; height: 55px; font-size: 1.6rem; bottom: 18px; right: 18px; }
    .tech-grid { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; max-width: 100%; }
    .tech-item { padding: 1.2rem 0.8rem; }
    .tech-icon { font-size: 2.2rem; margin-bottom: 0.8rem; }
    .tech-item span { font-size: 0.9rem; }
}

@media (max-width: 480px) {
    .nav-logo-img { width: 22px; height: 22px; max-width: 22px; max-height: 22px; }
    .footer-logo-img { width: 26px; height: 26px; }
    .footer-logo { justify-content: center; }
    .nav-logo h2 { font-size: 1.4rem; }
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    .section-title { font-size: 1.5rem; line-height: 1.4; padding: 0 0.3rem; text-align: center; letter-spacing: -0.02em; }
    .service-card h3, .system-card h3 { font-size: 1.3rem; }
    .systems-examples h3 { font-size: 1.5rem; }
    .example-content h4 { font-size: 1.1rem; }
    .contact-cta h3, .feature-content h3 { font-size: 1.6rem; }
    .contact-content { gap: 1.5rem; }
    .contact-info { gap: 1.2rem; }
    .contact-icon { width: 40px; height: 40px; font-size: 1rem; }
    .contact-item { gap: 0.8rem; }
    .contact-item h4 { font-size: 1rem; }
    .contact-item p { font-size: 0.9rem; }
    .service-card, .contact-cta { padding: 2rem; }
    .whatsapp-sticky { width: 50px; height: 50px; font-size: 1.5rem; bottom: 15px; right: 15px; }
    .tech-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; max-width: 100%; }
    .tech-item { padding: 1rem 0.5rem; }
    .tech-icon { font-size: 2rem; margin-bottom: 0.6rem; }
    .tech-item span { font-size: 0.85rem; text-align: center; }
}

@media (max-width: 375px) {
    .nav-logo-img { width: 20px; height: 20px; max-width: 20px; max-height: 20px; }
    .footer-logo-img { width: 24px; height: 24px; }
    .footer-logo { justify-content: center; }
    .nav-logo h2 { font-size: 1.3rem; }
    .section-title { font-size: 1.2rem; line-height: 1.5; padding: 0 0.1rem; text-align: center; margin-bottom: 0.8rem; letter-spacing: -0.03em; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; margin-top: 1.5rem; }
    .tech-item { padding: 0.8rem 0.3rem; }
    .tech-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
    .tech-item span { font-size: 0.8rem; word-break: normal; }
    .contact-content { gap: 1rem; }
    .contact-info { gap: 1rem; }
    .contact-cta { padding: 1.5rem; }
    .contact-cta h3 { font-size: 1.4rem; margin-bottom: 1.5rem; }
    .contact-icon { width: 35px; height: 35px; font-size: 0.9rem; }
    .contact-item h4 { font-size: 0.95rem; }
    .contact-item p { font-size: 0.85rem; }
}