:root {
    --primary: #CCFF00; /* Neon Green */
    --primary-glow: rgba(204, 255, 0, 0.4);
    --dark: #0A0A0A;
    --darker: #050505;
    --light-bg: #1A1A1A;
    --white: #FFFFFF;
    --gray: #A3A3A3;
    --glass: rgba(26, 26, 26, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Work Sans', sans-serif;
    background-color: var(--dark);
    color: var(--white);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-weight: 400;
    letter-spacing: 1px;
}

span {
    color: var(--primary);
}

.uppercase {
    text-transform: uppercase;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
    position: relative;
}

.center {
    text-align: center;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 6px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.4rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 1.1rem;
}

.btn-lg {
    padding: 20px 50px;
    font-size: 1.8rem;
}

.btn-neon {
    background-color: var(--primary);
    color: var(--dark);
}

.btn-neon:hover {
    background-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

.glow-btn {
    box-shadow: 0 0 15px var(--primary-glow);
}

.pulse {
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0% { box-shadow: 0 0 0 0 rgba(204, 255, 0, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(204, 255, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(204, 255, 0, 0); }
}

/* --- Header --- */
header {
    padding: 20px 0;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

header.scrolled {
    background-color: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header.scrolled .logo {
    height: 80px;
}

header .container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 160px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

/* --- Hero --- */
#hero {
    min-height: 100vh;
    padding-top: 180px; /* Compensa a logo gigante */
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, var(--dark) 0%, rgba(10, 10, 10, 0.4) 50%, rgba(10, 10, 10, 0.1) 100%);
    z-index: 0;
}

#hero .container {
    position: relative;
    z-index: 1;
}

.display-title {
    font-size: 4.5rem;
    line-height: 0.9;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 40px;
    max-width: 500px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Authority --- */
#authority {
    background-color: var(--darker);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0;
}

.authority-content h2 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.minimal-text {
    letter-spacing: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    opacity: 0.9;
}

/* --- Benefits --- */
.section-badge {
    color: var(--primary);
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 3px;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 35px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--primary);
    background: rgba(26, 26, 26, 0.7);
    transform: translateY(-8px);
    box-shadow: 0 10px 40px -10px var(--primary-glow);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.benefit-card p {
    font-size: 1rem;
    color: var(--gray);
}

/* --- Visual Section --- */
#visual-section {
    height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 0;
}

.visual-bg-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.6;
}

.visual-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.5);
    z-index: 0;
}

.huge-title {
    font-size: 5rem;
    line-height: 0.9;
    position: relative;
    z-index: 1;
}

/* --- Timeline / How it works --- */
#how h2 {
    font-size: 3.5rem;
    margin-bottom: 60px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
    opacity: 0.2;
}

.timeline-item {
    padding-left: 60px;
    margin-bottom: 60px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-glow);
}

.step-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 10px;
    display: block;
}

.timeline-content h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--gray);
}

/* --- Proof --- */
.results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

.result-placeholder {
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.result-placeholder i {
    width: 60px;
    height: 60px;
    opacity: 0.3;
}

.result-placeholder p {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
}

/* --- Final CTA --- */
#final-cta {
    background-color: var(--darker);
    padding: 120px 0;
}

.cta-box h2 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.cta-box p {
    margin-bottom: 40px;
    font-size: 1.2rem;
    color: var(--gray);
}

/* --- Footer --- */
footer {
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.footer-brand .logo {
    margin-bottom: 10px;
    display: block;
}

.footer-brand p {
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--gray);
}

.link-wa {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-bottom {
    margin-top: 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
}

/* --- Sticky WhatsApp --- */
.whatsapp-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background-color: var(--primary);
    color: var(--dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--primary-glow);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-sticky:hover {
    transform: scale(1.1);
}

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Media Queries --- */
@media (min-width: 768px) {
    .display-title { font-size: 7rem; }
    .huge-title { font-size: 8rem; }
    .cta-box h2 { font-size: 6rem; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 2fr 1fr; }
    
    .timeline::before { left: 50%; }
    .timeline-item { width: 50%; padding-left: 40px; padding-right: 40px; }
    .timeline-item:nth-child(even) { margin-left: 50%; text-align: left; }
    .timeline-item:nth-child(odd) { margin-right: 50%; text-align: right; }
    .timeline-dot { left: calc(50% - 10px); }
}

@media (min-width: 1024px) {
    .benefits-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
    
    header .container { justify-content: flex-start; }
    header.scrolled .container { justify-content: center; }
    .logo { height: 170px; }
    header.scrolled .logo { height: 88px; }
    
    section { padding: 60px 0; }
    
    .display-title { font-size: 2.8rem; line-height: 1.1; margin-bottom: 25px; }
    .subtitle { font-size: 1.1rem; margin-bottom: 30px; }
    
    .huge-title { font-size: 2.6rem; line-height: 1.1; }
    .cta-box h2 { font-size: 2.6rem; margin-bottom: 15px; }
    
    .glass-card { padding: 25px; }
    .timeline-item { margin-bottom: 40px; }
    
    .section-badge { margin-bottom: 20px; font-size: 1.1rem; }
    
    .btn-lg { padding: 16px 24px; font-size: 1.5rem; }
    
    .footer-grid { gap: 30px; text-align: center; }
    .footer-brand .logo { justify-content: center; }
}