/* ===============================================
   ART Publicidad - Modern Website Styles
   =============================================== */

/* CSS Variables */
:root {
    --primary: #FF6B35;
    --primary-dark: #E85A2A;
    --primary-light: #FF8A5C;
    --secondary: #6C5CE7;
    --secondary-dark: #5849C4;
    --accent: #00D9FF;
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #F7931E 50%, #FFD23F 100%);
    --gradient-secondary: linear-gradient(135deg, #6C5CE7 0%, #A855F7 50%, #EC4899 100%);
    --gradient-hero: linear-gradient(135deg, #0F0F23 0%, #1A1A3E 50%, #2D1B4E 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --dark: #0F0F23;
    --dark-light: #1A1A3E;
    --gray-dark: #2D2D4A;
    --gray: #6B7280;
    --gray-light: #9CA3AF;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --font-primary: 'Poppins', sans-serif;
    --section-padding: 100px 0;
    --container-max: 1200px;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-primary); background-color: var(--dark); color: var(--white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

/* Typography */
.section-header { text-align: center; margin-bottom: 60px; }
.section-badge { display: inline-block; background: var(--gradient-primary); color: var(--white); padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.section-title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; margin-bottom: 20px; line-height: 1.2; }
.section-title .highlight { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { font-size: 1.1rem; color: var(--gray-light); max-width: 600px; margin: 0 auto; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; font-size: 1rem; font-weight: 600; border-radius: var(--radius-xl); border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--gradient-primary); color: var(--white); box-shadow: 0 8px 25px rgba(255, 107, 53, 0.35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(255, 107, 53, 0.5); }
.btn-secondary { background: rgba(255, 255, 255, 0.1); color: var(--white); border: 2px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(10px); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); border-color: var(--primary); transform: translateY(-3px); }
.btn-light { background: var(--white); color: var(--primary); box-shadow: var(--shadow-md); }
.btn-light:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-outline-light { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline-light:hover { background: var(--white); color: var(--primary); }
.btn-full { width: 100%; justify-content: center; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 20px 0; transition: var(--transition); }
.navbar.scrolled { background: rgba(15, 15, 35, 0.95); backdrop-filter: blur(20px); padding: 15px 0; box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3); }
.nav-container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { width: 50px; height: 50px; object-fit: contain; }
.logo span { font-size: 1.4rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-menu { display: flex; align-items: center; gap: 40px; }
.nav-link { font-weight: 500; font-size: 0.95rem; position: relative; padding: 5px 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gradient-primary); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta { background: var(--gradient-primary); padding: 12px 24px; border-radius: var(--radius-xl); color: var(--white); }
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; width: 25px; height: 3px; background: var(--white); border-radius: 3px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

/* Hero Section */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; background: var(--gradient-hero); overflow: hidden; padding: 120px 20px 80px; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; overflow: hidden; }
.floating-shapes { position: absolute; width: 100%; height: 100%; }
.shape { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.4; animation: float 20s infinite ease-in-out; }
.shape-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; background: var(--secondary); bottom: 10%; left: -50px; animation-delay: -5s; }
.shape-3 { width: 200px; height: 200px; background: var(--accent); top: 50%; left: 50%; animation-delay: -10s; }
.shape-4 { width: 150px; height: 150px; background: #F7931E; top: 30%; right: 20%; animation-delay: -15s; }
.shape-5 { width: 250px; height: 250px; background: #EC4899; bottom: -100px; right: 30%; animation-delay: -8s; }
@keyframes float { 0%, 100% { transform: translate(0, 0) rotate(0deg); } 25% { transform: translate(50px, -50px) rotate(90deg); } 50% { transform: translate(0, -100px) rotate(180deg); } 75% { transform: translate(-50px, -50px) rotate(270deg); } }
.hero-content { max-width: 600px; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 107, 53, 0.15); border: 1px solid rgba(255, 107, 53, 0.3); padding: 10px 20px; border-radius: 50px; margin-bottom: 25px; animation: fadeInUp 0.8s ease; }
.hero-badge i { color: var(--primary); }
.hero-badge span { font-size: 0.9rem; font-weight: 500; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; margin-bottom: 25px; animation: fadeInUp 0.8s ease 0.2s both; }
.hero-title .highlight { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-title .highlight-alt { background: var(--gradient-secondary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.15rem; color: var(--gray-light); margin-bottom: 35px; line-height: 1.8; animation: fadeInUp 0.8s ease 0.4s both; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 15px; margin-bottom: 50px; animation: fadeInUp 0.8s ease 0.6s both; }
.hero-stats { display: flex; gap: 40px; animation: fadeInUp 0.8s ease 0.8s both; }
.stat { text-align: center; }
.stat-number { display: block; font-size: 2.5rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.85rem; color: var(--gray-light); }
.hero-visual { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); z-index: 1; }
.hero-image-container { position: relative; width: 350px; height: 350px; display: flex; align-items: center; justify-content: center; }
.hero-logo { width: 250px; height: 250px; object-fit: contain; position: relative; z-index: 2; animation: pulse 4s ease-in-out infinite; }
.image-glow { position: absolute; width: 300px; height: 300px; background: var(--gradient-primary); filter: blur(80px); opacity: 0.4; border-radius: 50%; animation: glow 4s ease-in-out infinite alternate; }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes glow { 0% { opacity: 0.3; transform: scale(1); } 100% { opacity: 0.5; transform: scale(1.2); } }
.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--gray-light); font-size: 0.85rem; animation: bounce 2s infinite; }
.mouse { width: 25px; height: 40px; border: 2px solid var(--gray-light); border-radius: 15px; position: relative; }
.wheel { width: 4px; height: 8px; background: var(--primary); border-radius: 2px; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); animation: scroll 2s infinite; }
@keyframes scroll { 0% { opacity: 1; transform: translateX(-50%) translateY(0); } 100% { opacity: 0; transform: translateX(-50%) translateY(15px); } }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-10px); } 60% { transform: translateX(-50%) translateY(-5px); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* Services Section */
.services { padding: var(--section-padding); background: var(--dark); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }
.service-card { background: var(--gradient-card); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); padding: 35px 30px; position: relative; overflow: hidden; transition: var(--transition); }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-primary); transform: scaleX(0); transition: var(--transition); }
.service-card:hover { transform: translateY(-10px); border-color: rgba(255, 107, 53, 0.3); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); }
.service-card:hover::before { transform: scaleX(1); }
.service-card.featured { background: linear-gradient(145deg, rgba(255, 107, 53, 0.15) 0%, rgba(108, 92, 231, 0.1) 100%); border-color: rgba(255, 107, 53, 0.3); }
.featured-badge { position: absolute; top: 15px; right: 15px; background: var(--gradient-primary); color: var(--white); padding: 5px 15px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.service-icon { width: 70px; height: 70px; background: var(--gradient-primary); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 25px; transition: var(--transition); }
.service-icon i { font-size: 1.8rem; color: var(--white); }
.service-card:hover .service-icon { transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; }
.service-card p { color: var(--gray-light); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }
.service-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; font-size: 0.9rem; }
.service-link i { transition: var(--transition); }
.service-link:hover i { transform: translateX(5px); }

/* Portfolio Section */
.portfolio { padding: var(--section-padding); background: var(--dark-light); }
.portfolio-filter { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin-bottom: 50px; }
.filter-btn { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); color: var(--gray-light); padding: 12px 28px; border-radius: var(--radius-xl); font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--gradient-primary); border-color: transparent; color: var(--white); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.portfolio-item { border-radius: var(--radius-lg); overflow: hidden; }
.portfolio-image { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.portfolio-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, var(--gray-dark) 0%, var(--dark) 100%); display: flex; align-items: center; justify-content: center; }
.portfolio-placeholder i { font-size: 4rem; color: var(--primary); opacity: 0.5; }
.portfolio-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(255, 107, 53, 0.9) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 25px; opacity: 0; transform: translateY(20px); transition: var(--transition); }
.portfolio-item:hover .portfolio-overlay { opacity: 1; transform: translateY(0); }
.portfolio-overlay h4 { font-size: 1.2rem; font-weight: 600; margin-bottom: 5px; }
.portfolio-overlay p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 15px; }
.portfolio-btn { position: absolute; top: 20px; right: 20px; width: 45px; height: 45px; background: var(--white); border: none; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
.portfolio-btn i { color: var(--primary); font-size: 1rem; }
.portfolio-btn:hover { transform: scale(1.1); }

/* About Section */
.about { padding: var(--section-padding); background: var(--dark); }
.about-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-content .section-badge { display: inline-block; }
.about-content .section-title { text-align: left; margin-bottom: 25px; }
.about-text { color: var(--gray-light); font-size: 1.05rem; margin-bottom: 20px; line-height: 1.8; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 30px 0; }
.feature { display: flex; align-items: center; gap: 10px; }
.feature i { color: var(--primary); font-size: 1.2rem; }
.feature span { font-weight: 500; }
.about-visual { position: relative; }
.about-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--gradient-card); padding: 40px; display: flex; align-items: center; justify-content: center; min-height: 400px; }
.about-image img { max-width: 250px; filter: drop-shadow(0 20px 40px rgba(255, 107, 53, 0.3)); }
.about-badge { position: absolute; bottom: -20px; right: -20px; background: var(--gradient-primary); padding: 25px 35px; border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-lg); }
.badge-number { display: block; font-size: 2.5rem; font-weight: 800; }
.badge-text { font-size: 0.85rem; opacity: 0.9; }

/* Contact Section */
.contact { padding: var(--section-padding); background: var(--dark-light); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card { display: flex; align-items: center; gap: 20px; background: var(--gradient-card); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-md); padding: 25px; transition: var(--transition); }
.contact-card:hover { transform: translateX(10px); border-color: var(--primary); }
.contact-icon { width: 55px; height: 55px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon i { font-size: 1.5rem; color: var(--white); }
.contact-icon.whatsapp { background: linear-gradient(135deg, #25D366 0%, #128C7E 100%); }
.contact-icon.instagram { background: linear-gradient(135deg, #F58529 0%, #DD2A7B 50%, #8134AF 100%); }
.contact-icon.email { background: var(--gradient-primary); }
.contact-icon.location { background: var(--gradient-secondary); }
.contact-details h4 { font-size: 1rem; font-weight: 600; margin-bottom: 5px; }
.contact-details a, .contact-details span { display: block; color: var(--gray-light); font-size: 0.95rem; }
.contact-details a:hover { color: var(--primary); }
.contact-form-wrapper { background: var(--gradient-card); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); padding: 40px; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { position: relative; }
.form-group.full-width { grid-column: span 2; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 8px; color: var(--gray-light); }
.form-group input, .form-group select, .form-group textarea { width: 100%; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-sm); padding: 14px 18px; font-size: 1rem; color: var(--white); font-family: var(--font-primary); transition: var(--transition); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 15px rgba(255, 107, 53, 0.2); }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239CA3AF' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; cursor: pointer; }
.form-group select option { background: var(--dark); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* CTA Section */
.cta-section { padding: 80px 0; background: var(--gradient-primary); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%); animation: rotateBg 20s linear infinite; }
@keyframes rotateBg { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.cta-content { text-align: center; position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; margin-bottom: 15px; }
.cta-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 30px; }
.cta-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; }

/* Footer */
.footer { background: var(--dark); padding: 80px 0 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; margin-bottom: 50px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-logo img { width: 50px; height: 50px; object-fit: contain; }
.footer-logo span { font-size: 1.3rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-brand p { color: var(--gray-light); font-size: 0.95rem; line-height: 1.7; margin-bottom: 25px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 45px; height: 45px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a i { font-size: 1.2rem; color: var(--gray-light); }
.footer-social a:hover { background: var(--gradient-primary); border-color: transparent; transform: translateY(-5px); }
.footer-social a:hover i { color: var(--white); }
.footer-links h4, .footer-services h4, .footer-contact h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.footer-links h4::after, .footer-services h4::after, .footer-contact h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--gradient-primary); }
.footer-links ul li, .footer-services ul li { margin-bottom: 12px; }
.footer-links ul li a, .footer-services ul li a { color: var(--gray-light); font-size: 0.95rem; transition: var(--transition); }
.footer-links ul li a:hover, .footer-services ul li a:hover { color: var(--primary); padding-left: 5px; }
.footer-contact ul li { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; color: var(--gray-light); font-size: 0.95rem; }
.footer-contact ul li i { color: var(--primary); width: 20px; }
.footer-bottom { padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.footer-bottom p { color: var(--gray); font-size: 0.9rem; }
.footer-bottom i { color: var(--primary); }

/* Floating WhatsApp Button */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background: linear-gradient(135deg, #25D366 0%, #128C7E 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4); z-index: 999; animation: pulse-whatsapp 2s infinite; }
.whatsapp-float i { font-size: 1.8rem; color: var(--white); }
.whatsapp-tooltip { position: absolute; right: 70px; background: var(--white); color: var(--dark); padding: 10px 18px; border-radius: 8px; font-size: 0.9rem; font-weight: 500; white-space: nowrap; opacity: 0; transform: translateX(10px); transition: var(--transition); box-shadow: var(--shadow-md); }
.whatsapp-tooltip::after { content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left-color: var(--white); }
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5); }
@keyframes pulse-whatsapp { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); } 70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); } 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); } }

/* Back to Top Button */
.back-to-top { position: fixed; bottom: 100px; right: 30px; width: 50px; height: 50px; background: var(--gradient-primary); border: none; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); z-index: 998; box-shadow: var(--shadow-glow); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top i { font-size: 1.2rem; color: var(--white); }
.back-to-top:hover { transform: translateY(-5px); }

/* Responsive Design */
@media (max-width: 1200px) { .hero-visual { right: 2%; } .hero-image-container { width: 280px; height: 280px; } .hero-logo { width: 200px; height: 200px; } }
@media (max-width: 992px) { .hero { flex-direction: column; text-align: center; padding: 150px 20px 100px; } .hero-content { max-width: 100%; } .hero-buttons { justify-content: center; } .hero-stats { justify-content: center; } .hero-visual { position: relative; right: auto; top: auto; transform: none; margin-top: 50px; } .scroll-indicator { display: none; } .about-wrapper { grid-template-columns: 1fr; gap: 50px; } .about-content .section-title { text-align: center; } .about-content .section-badge { display: block; text-align: center; } .about-text { text-align: center; } .about-features { justify-content: center; } .about-content .btn { display: block; width: fit-content; margin: 0 auto; } .contact-wrapper { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 768px) { .nav-menu { position: fixed; top: 0; right: -100%; width: 80%; max-width: 350px; height: 100vh; background: rgba(15, 15, 35, 0.98); backdrop-filter: blur(20px); flex-direction: column; justify-content: center; gap: 30px; transition: var(--transition-slow); padding: 50px; box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5); } .nav-menu.active { right: 0; } .nav-toggle { display: flex; z-index: 1001; } .nav-cta { width: 100%; text-align: center; justify-content: center; } .hero-title { font-size: 2.2rem; } .hero-stats { flex-direction: column; gap: 20px; } .about-features { grid-template-columns: 1fr; text-align: center; } .contact-form { grid-template-columns: 1fr; } .form-group.full-width { grid-column: span 1; } .footer-grid { grid-template-columns: 1fr; text-align: center; } .footer-links h4::after, .footer-services h4::after, .footer-contact h4::after { left: 50%; transform: translateX(-50%); } .footer-social { justify-content: center; } .footer-contact ul li { justify-content: center; } .footer-bottom { justify-content: center; text-align: center; } .cta-buttons { flex-direction: column; align-items: center; } .whatsapp-float { bottom: 20px; right: 20px; width: 55px; height: 55px; } .back-to-top { bottom: 85px; right: 20px; width: 45px; height: 45px; } }
@media (max-width: 480px) { html { font-size: 14px; } .hero-buttons { flex-direction: column; width: 100%; } .hero-buttons .btn { width: 100%; justify-content: center; } .services-grid { grid-template-columns: 1fr; } .portfolio-grid { grid-template-columns: 1fr; } .filter-btn { padding: 10px 20px; font-size: 0.85rem; } .contact-form-wrapper { padding: 25px; } .about-badge { position: relative; bottom: auto; right: auto; margin-top: 20px; } .hero-visual { width: 100%; max-width: 100%; } .hero-image-container { width: 100%; max-width: 200px; height: auto; margin: 0 auto; } .hero-logo { width: 100%; max-width: 150px; height: auto; } .image-glow { width: 150px; height: 150px; } .about-image { width: 100%; max-width: 100%; padding: 20px; min-height: auto; } .about-image img { max-width: 150px; width: 100%; } }

/* Animations for Scroll Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }