/* CSS PREMIUM - LiveChords Studio PRO */

:root {
    --bg-dark: #020617;
    --bg-surface: #0f172a;
    --bg-elevated: #1e293b;
    --primary: #3b82f6; /* Electric Blue */
    --primary-hover: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --accent: #ff6b00; /* Laranja Vibrante */
    --accent-glow: rgba(245, 158, 11, 0.3);
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.06);
    --border-bright: rgba(255, 255, 255, 0.12);
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(circle at top right, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
                      radial-gradient(circle at bottom left, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at center, rgba(15, 23, 42, 1) 0%, var(--bg-dark) 100%);
    background-attachment: fixed;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography Enhancements */
.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.accent {
    color: var(--accent);
}

.text-dim {
    color: var(--text-dim);
}

/* Glassmorphism Utilities */
.glass {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Buttons */
.btn-primary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px var(--primary-glow);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-dim);
    transform: translateY(-2px);
}

.btn-primary.lg, .btn-outline.lg {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

.btn-primary.xl {
    padding: 20px 40px;
    font-size: 18px;
    border-radius: var(--radius-lg);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(2, 6, 23, 0.9);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    font-weight: 600;
    font-size: 15px;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary);
    text-shadow: 0 0 15px var(--primary-glow);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-hover);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.slogan-badge {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
    font-size: 16px;
    margin-bottom: 24px;
    opacity: 0.9;
    text-transform: uppercase;
}

.hero-text h1 {
    font-size: 72px;
    letter-spacing: -3px;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero-text p {
    font-size: 22px;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 90%;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border);
    padding-top: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-val {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    font-family: 'Outfit', sans-serif;
}

.stat-label {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.main-app-preview {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 8px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border: 1px solid var(--border-bright);
    transform: perspective(1200px) rotateY(-15deg) rotateX(8deg);
    transition: var(--transition);
    display: flex;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.main-app-preview:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) translateY(-10px);
}

#hero-img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    display: block;
    background: #1e293b;
    min-height: 300px;
}

.floating-mobile {
    position: absolute;
    width: 30%;
    bottom: -40px;
    right: -20px;
    border-radius: var(--radius-md);
    box-shadow: 0 25px 50px rgba(0,0,0,0.7);
    border: 4px solid var(--bg-dark);
    z-index: 10;
    animation: float-mobile 6s ease-in-out infinite;
}

@keyframes float-mobile {
    0% { transform: translateY(0px) rotate(-3deg); }
    50% { transform: translateY(-15px) rotate(-1deg); }
    100% { transform: translateY(0px) rotate(-3deg); }
}

.floating-badge {
    position: absolute;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: float 6s ease-in-out infinite;
}

.floating-badge i {
    color: var(--accent);
}

.top-right {
    top: -20px;
    right: -20px;
    animation-delay: 0s;
}

.bottom-left {
    bottom: 40px;
    left: -30px;
    animation-delay: 3s;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Features */
.features {
    padding: 120px 0;
    position: relative;
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-title h2 {
    font-size: 48px;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-dim);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover, .feature-card.active {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    background: rgba(30, 41, 59, 0.4);
}

.feature-card.active {
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 1px solid var(--primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 24px;
}

.feature-card.active .feature-icon {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 25px var(--primary-glow);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 15px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
}

.cta-inner {
    border-radius: var(--radius-lg);
    padding: 100px 80px;
    text-align: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-text h2 {
    font-size: 40px;
    margin-bottom: 16px;
}

.cta-text p {
    font-size: 18px;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-dim);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-group h4 {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 8px;
}

.link-group a {
    color: var(--text-dim);
    font-size: 15px;
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 14px;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 52px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-grid { gap: 30px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin: 0 auto 40px; }
    .hero-btns { justify-content: center; }
    .hero-stats { justify-content: center; }
    .main-app-preview { transform: none; margin-top: 40px; }
    .main-app-preview:hover { transform: translateY(-10px); }
    
    .features-grid { grid-template-columns: 1fr; }
    .cta-inner { padding: 40px 20px; }
    .footer-content { flex-direction: column; gap: 40px; text-align: center; }
    .footer-links { justify-content: center; flex-wrap: wrap; gap: 40px; }
}