:root {
    --bg-black: #080808;
    --bg-dark: #121212;
    --bg-card: #181818;
    --neon-green: #ccff00;
    --neon-hover: #b3e600;
    --text-white: #ffffff;
    --text-gray: #a1a1aa;
    --red-dark: #2a0808;
    --red-border: #7f1d1d;
    --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg-black);
    color: var(--text-white);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Header Flutuante */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 850px;
    z-index: 1000;

    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    padding: 0.6rem 1.2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);

    will-change: transform, top, bottom;
    transition: top 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease;
}

.header.docked-bottom {
    top: auto;
    bottom: 20px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.8);
    border-color: rgba(204, 255, 0, 0.25);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--neon-green);
}

/* Botões Neon e Animação Otimizada na GPU */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 800;
    border-radius: 50px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.btn-neon {
    background-color: var(--neon-green);
    color: #000;
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Pseudo-elemento para animação de pulso sem causar recalculo de repaint */
.btn-neon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    box-shadow: 0 0 25px rgba(204, 255, 0, 0.8);
    opacity: 0.4;
    z-index: -1;
    animation: pulseOpacity 3s infinite ease-in-out;
    will-change: opacity;
}

@keyframes pulseOpacity {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.9; }
}

.btn-neon:hover {
    background-color: var(--neon-hover);
    transform: translateY(-3px);
}

.btn-neon:hover::after {
    opacity: 1;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 10rem 0 5rem 0;
    position: relative;
}

.glow-bg {
    position: absolute;
    top: 30%;
    left: 25%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--neon-green);
    filter: blur(120px);
    opacity: 0.25;
    z-index: 0;
    pointer-events: none;
}

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

.hero-text .tag {
    color: var(--neon-green);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero-text h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 1rem 0;
}

.hero-text h1 span {
    color: var(--neon-green);
}

.hero-text p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Divisor Onda */
.curve-divider {
    height: 40px;
    background: radial-gradient(50% 100% at 50% 100%, var(--neon-green) 0%, transparent 100%);
    opacity: 0.2;
    margin: 2rem 0;
}

/* Seções Gerais */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title .subtitle {
    color: var(--neon-green);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
}

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 0.5rem;
}

.section-title h2 span {
    color: var(--neon-green);
}

.section-title p {
    color: var(--text-gray);
    margin-top: 0.5rem;
}

/* Grids e Cards Neon */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.neon-card {
    background: var(--bg-card);
    border: 1px solid rgba(204, 255, 0, 0.15);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.neon-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(204, 255, 0, 0.08);
}

.neon-card .icon {
    margin-bottom: 1rem;
}

.neon-card .icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.neon-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.neon-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Dores */
.pain-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 750px;
    margin: 0 auto;
}

.pain-item {
    background: var(--red-dark);
    border: 1px solid var(--red-border);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    color: #fca5a5;
    font-weight: 600;
}

/* Features */
.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-card img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.center-btn {
    text-align: center;
    margin-top: 3rem;
}

/* About / Garantia */
.about-card {
    background: var(--bg-dark);
    border: 1px solid var(--neon-green);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.about-card p {
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* FAQ */
.faq-list {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--neon-green);
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* CTA Final */
.final-cta {
    text-align: center;
    background: radial-gradient(circle at center, #1a2e05 0%, var(--bg-black) 70%);
    padding: 6rem 0;
}

.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.final-cta p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
    font-size: 0.85rem;
}

/* Animações de Scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.grid-4 .neon-card:nth-child(1) { transition-delay: 0.1s; }
.grid-4 .neon-card:nth-child(2) { transition-delay: 0.2s; }
.grid-4 .neon-card:nth-child(3) { transition-delay: 0.3s; }
.grid-4 .neon-card:nth-child(4) { transition-delay: 0.4s; }

/* Responsividade */
@media (max-width: 768px) {
    .header {
        width: 92%;
        padding: 0.5rem 1rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }
}