/* CSS Variables for Theme */
:root {
    --bg-color: #0b0f19;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #00f2fe;
    --accent-secondary: #4facfe;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 242, 254, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(79, 172, 254, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism Utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
}

/* Typography Focus */
h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-title span {
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-primary-sm {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.btn-primary-sm {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-primary);
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-list a:not(.btn-primary-sm) {
    color: var(--text-muted);
    font-weight: 600;
    transition: var(--transition);
}

.nav-list a:not(.btn-primary-sm):hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    padding-top: 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-text {
    flex: 1;
}

.hero-text h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-text h2 span {
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-text strong {
    color: var(--text-main);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, rgba(0,242,254,0.1), rgba(79,172,254,0.05));
    border-radius: 30px;
}

/* Mockup CSS art to avoid external images */
.player-mockup {
    width: 80%;
    height: 60%;
    background: #000;
    border-radius: 10px;
    border: 2px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
    position: relative;
}

.player-header {
    height: 20px;
    background: #1e293b;
    border-bottom: 1px solid var(--glass-border);
}

.player-body {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: repeating-linear-gradient(
        45deg,
        #0b0f19,
        #0b0f19 10px,
        #0f172a 10px,
        #0f172a 20px
    );
}

.play-btn {
    font-size: 3rem;
    color: var(--accent-primary);
    text-shadow: 0 0 20px var(--accent-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* Features Section */
.features {
    padding: 6rem 0;
}

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

.feature-card {
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 242, 254, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.feature-card p {
    color: var(--text-muted);
}

/* Downloads Section */
.downloads {
    padding: 6rem 0;
    background: linear-gradient(to bottom, transparent, rgba(0,242,254,0.03), transparent);
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.download-card {
    padding: 2.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
}

.download-card:hover {
    border-color: rgba(79, 172, 254, 0.4);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.download-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.download-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* Resources Section */
.resources {
    padding: 6rem 0;
}

.resources-content {
    display: flex;
    justify-content: center;
}

.resources-text {
    text-align: center;
    max-width: 800px;
}

.resources-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta {
    padding: 4rem 0 8rem 0;
}

.cta-panel {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(0,0,0,0.5));
}

.cta-panel h2 {
    font-size: 2.5rem;
}

.cta-panel p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Plans Section */
.plans {
    padding: 6rem 0;
    background: linear-gradient(to bottom, transparent, rgba(79,172,254,0.03), transparent);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.plan-card {
    padding: 2.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}

.plan-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 40px rgba(0,242,254,0.2);
}

.plan-card.popular {
    border-color: var(--accent-primary);
    box-shadow: 0 10px 40px rgba(0,242,254,0.1);
    transform: scale(1.05);
}

.plan-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-card .badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.plan-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.plan-features {
    text-align: left;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.plan-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-main);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features strong {
    color: var(--accent-primary);
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Guide Section */
.seo-guide {
    padding: 6rem 0;
}

.guide-panel {
    padding: 4rem;
    text-align: center;
}

.guide-steps {
    list-style: none;
}

.guide-steps li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
    font-size: 1.1rem;
    color: var(--text-main);
}

.guide-steps li:last-child {
    border-bottom: none;
}

.guide-steps strong {
    color: var(--accent-primary);
    margin-right: 0.5rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding-top: 2rem;
    }
    
    .hero-text h2 {
        font-size: 2.8rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        width: 100%;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none; /* Em um app real faríamos um menu hamburguer */
    }
    
    .section-title {
        font-size: 2rem;
    }
}