:root {
    /* Modern Palette */
    --clr-primary: #0046CC;
    --clr-primary-dark: #003299;
    --clr-accent: #00D177;
    --clr-accent-dark: #00B365;
    --clr-bg-main: #FFFFFF;
    --clr-bg-alt: #F8FAFC;
    --clr-text-main: #0F172A;
    --clr-text-muted: #475569;
    --clr-white: #FFFFFF;
    --clr-glass: rgba(255, 255, 255, 0.7);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Layout */
    --section-pad: 100px;
    --border-radius: 16px;
    --shadow-soft: 0 10px 30px -10px rgba(0,0,0,0.1);
    --shadow-heavy: 0 20px 40px -15px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Resets */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: var(--font-main); 
    color: var(--clr-text-main); 
    background-color: var(--clr-bg-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { 
    font-family: var(--font-heading); 
    line-height: 1.2; 
    font-weight: 700;
}

.container { width: 92%; max-width: 1240px; margin: 0 auto; }
.section { padding: var(--section-pad) 0; }
.text-center { text-align: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Grid System */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}
.btn-primary { 
    background: var(--clr-primary); 
    color: var(--clr-white); 
    box-shadow: 0 4px 14px rgba(0, 70, 204, 0.3);
}
.btn-primary:hover { 
    background: var(--clr-primary-dark); 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 70, 204, 0.4);
}
.btn-secondary { 
    background: var(--clr-accent); 
    color: var(--clr-white); 
}
.btn-secondary:hover { 
    background: var(--clr-accent-dark); 
    transform: translateY(-2px);
}
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* Glassmorphism */
.glass {
    background: var(--clr-glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.3);
}

/* Top Announcement */
.announcement-bar {
    background: var(--clr-text-main);
    color: var(--clr-white);
    padding: 10px 0;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Header */
.site-header {
    background: var(--clr-white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.navbar { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo { height: 44px; }
.brand-title { 
    display: block; 
    font-size: 1.2rem; 
    font-weight: 800; 
    color: var(--clr-primary); 
    font-family: var(--font-heading);
}
.brand-subtitle { display: block; font-size: 0.75rem; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: 1px; }

.main-nav ul { display: flex; list-style: none; gap: 30px; }
.main-nav a { text-decoration: none; color: var(--clr-text-main); font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
.main-nav a:hover { color: var(--clr-primary); }

/* Hero V2 */
.hero-v2 {
    background: radial-gradient(circle at top right, #E0EBFF, #FFFFFF);
    padding-top: 80px;
    padding-bottom: 40px;
    position: relative;
    overflow: hidden;
}
.hero-content h1 { font-size: 4rem; margin: 20px 0; }
.highlight { color: var(--clr-primary); }
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 70, 204, 0.08);
    color: var(--clr-primary);
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.85rem;
}
.dot-online { width: 8px; height: 8px; background: var(--clr-accent); border-radius: 50%; display: inline-block; box-shadow: 0 0 10px var(--clr-accent); }
.lead { font-size: 1.25rem; color: var(--clr-text-muted); margin-bottom: 40px; max-width: 580px; }

.hero-cta-group { display: flex; align-items: center; gap: 30px; }
.trust-indicators { display: flex; align-items: center; gap: 15px; font-size: 0.9rem; color: var(--clr-text-muted); }
.avatars img { width: 32px; height: 32px; border-radius: 50%; border: 2px solid white; margin-left: -10px; object-fit: cover; }
.avatars img:first-child { margin-left: 0; }

.hero-media { position: relative; }
.main-portrait { width: 100%; border-radius: 30px; box-shadow: var(--shadow-heavy); }
.floating-benefit {
    position: absolute;
    bottom: 40px;
    left: -20px;
    padding: 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-soft);
}
.floating-benefit i { font-size: 2rem; color: var(--clr-accent); }

.wave-divider { position: absolute; bottom: -2px; left: 0; width: 100%; line-height: 0; }

/* Stats Bar */
.stats-bar { background: var(--clr-white); padding: 40px 0; border-bottom: 1px solid #EEF2F6; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.stat-box span { font-size: 2.5rem; font-weight: 800; color: var(--clr-primary); font-family: var(--font-heading); }
.stat-box p { font-weight: 600; color: var(--clr-text-muted); }

/* Services */
.services { background: var(--clr-bg-alt); }
.section-header { margin-bottom: 60px; }
.pre-title { color: var(--clr-primary); font-weight: 800; text-transform: uppercase; letter-spacing: 2px; font-size: 0.8rem; display: block; margin-bottom: 10px; }
.section-header h2 { font-size: 2.8rem; margin-bottom: 15px; }

.service-card {
    background: var(--clr-white);
    padding: 40px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid #EEF2F6;
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-soft); }
.service-card.highlighted { 
    background: var(--clr-primary); 
    color: var(--clr-white); 
    border: none;
}
.service-card.highlighted h3, .service-card.highlighted p { color: var(--clr-white); }
.service-card.highlighted .service-icon { background: rgba(255,255,255,0.1); color: var(--clr-white); }

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 70, 204, 0.05);
    color: var(--clr-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 25px;
}
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.card-list { list-style: none; margin-top: 20px; }
.card-list li { margin-bottom: 10px; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.card-list i { color: var(--clr-accent); }

/* Calculator */
.calculator-section { background: var(--clr-white); }
.calculator-wrapper { background: #EEF2F6; border-radius: 40px; padding: 60px; }
.calc-box { padding: 40px; border-radius: 24px; background: white; }
.input-group { margin-bottom: 30px; }
.input-group label { display: block; font-weight: 700; margin-bottom: 15px; color: var(--clr-text-muted); }
.range-values { font-weight: 800; font-size: 1.5rem; color: var(--clr-primary); margin-top: 10px; text-align: right; }

input[type=range] { width: 100%; cursor: pointer; }
select { 
    width: 100%; 
    padding: 15px; 
    border-radius: 8px; 
    border: 2px solid #E2E8F0; 
    font-size: 1rem; 
    font-weight: 600; 
}

.calc-result { 
    margin: 30px 0; 
    padding: 25px; 
    background: var(--clr-bg-alt); 
    border-radius: 12px; 
    text-align: center; 
}
.calc-result span { font-size: 0.9rem; color: var(--clr-text-muted); font-weight: 600; }
.calc-result h3 { font-size: 2.2rem; color: var(--clr-primary); margin-top: 5px; }

/* Requirements V2 */
.requirements-v2 { background: var(--clr-bg-alt); }
.rounded-img { width: 100%; border-radius: 24px; }
.shadow-xl { box-shadow: var(--shadow-heavy); }

.req-accordion { margin-top: 40px; }
.accordion-item { 
    background: white; 
    margin-bottom: 15px; 
    border-radius: 12px; 
    overflow: hidden; 
    border: 1px solid #EEF2F6; 
}
.accordion-header { 
    padding: 20px; 
    display: flex; 
    align-items: center; 
    gap: 15px; 
    cursor: pointer; 
    font-weight: 700; 
    transition: var(--transition); 
}
.accordion-header i { color: var(--clr-primary); font-size: 1.2rem; }
.accordion-body { padding: 0 20px 20px 55px; display: none; color: var(--clr-text-muted); }
.accordion-item.active .accordion-body { display: block; }
.accordion-item.active .accordion-header { color: var(--clr-primary); }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.faq-item { padding: 30px; border-bottom: 1px solid #EEF2F6; }
.faq-item h4 { font-size: 1.2rem; margin-bottom: 12px; }
.faq-item p { color: var(--clr-text-muted); }

/* Final CTA */
.final-cta { padding-bottom: 80px; }
.cta-inner { 
    background: var(--clr-primary); 
    padding: 80px 40px; 
    border-radius: 40px; 
    color: white; 
    background-image: radial-gradient(at 100% 0%, hsla(215, 100%, 50%, 0.4) 0, transparent 50%);
}
.cta-inner h2 { font-size: 3rem; margin-bottom: 20px; }
.cta-inner p { font-size: 1.2rem; margin-bottom: 40px; opacity: 0.9; }
.btn-xl { padding: 22px 50px; font-size: 1.3rem; }

/* Footer */
.site-footer { background: #0A0F1A; color: rgba(255,255,255,0.7); padding: 80px 0 30px; }
.footer-logo { height: 60px; margin-bottom: 25px; }
.footer-col h4 { color: white; margin-bottom: 25px; font-size: 1.1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; font-size: 0.95rem; }
.footer-col a { color: inherit; text-decoration: none; transition: var(--transition); }
.footer-col a:hover { color: white; }
.legal-text { font-size: 0.85rem; line-height: 1.6; }

.footer-bottom { 
    margin-top: 60px; 
    padding-top: 30px; 
    border-top: 1px solid rgba(255,255,255,0.05); 
    text-align: center; 
    font-size: 0.85rem; 
}

/* Floating Elements */
.whatsapp-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition);
}
.whatsapp-fixed:hover { transform: scale(1.1) rotate(5deg); }

.wa-tooltip {
    position: absolute;
    right: 80px;
    background: white;
    color: var(--clr-text-main);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-soft);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.whatsapp-fixed:hover .wa-tooltip { opacity: 1; visibility: visible; right: 85px; }

.visitor-tag {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: white;
    padding: 10px 18px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: var(--shadow-soft);
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pulse-red { width: 8px; height: 8px; background: #FF4B2B; border-radius: 50%; animation: pulse-red 2s infinite; }

@keyframes pulse-red {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 75, 43, 0.7); }
    70% { transform: scale(1.2); box-shadow: 0 0 0 10px rgba(255, 75, 43, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 75, 43, 0); }
}

/* Animations */
.animate-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.animate-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 1024px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 40px; }
    .hero-content h1 { font-size: 3rem; }
    .hero-cta-group { flex-direction: column; align-items: flex-start; }
    .hero-v2 { text-align: center; }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-cta-group { align-items: center; }
}

@media (max-width: 768px) {
    :root { --section-pad: 60px; }
    .desktop-only { display: none; }
    .hero-content h1 { font-size: 2.5rem; }
    .calculator-wrapper { padding: 30px 20px; }
    .faq-grid { grid-template-columns: 1fr; }
    .visitor-tag { display: none; }
}