/**
 * Landing Page - JiuJitsu Pro
 * Design: Preto + Vermelho | UX/UI Moderno | 100% Responsivo
 */

:root {
    --black: #000000;
    --black-light: #0a0a0a;
    --black-lighter: #111111;
    --gray-dark: #1f2937;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --red: #dc2626;
    --red-dark: #991b1b;
    --blue: #2563eb;
    --green: #10b981;
    --orange: #f59e0b;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
}

.logo-name {
    font-size: 1.5rem;
    font-weight: 900;
}

.logo-pro {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 0.1em;
}

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

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.btn-nav {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    border-radius: 8px;
    color: var(--white) !important;
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 999;
}

.mobile-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
}

.btn-mobile {
    padding: 1rem;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    border-radius: 8px;
    text-align: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 50px;
    color: var(--red);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--gray);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 50px;
    color: var(--red);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-light);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--black-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--black-lighter);
    border: 1px solid var(--gray-dark);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.feature-icon.red { background: linear-gradient(135deg, #dc2626, #991b1b); box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3); }
.feature-icon.blue { background: linear-gradient(135deg, #2563eb, #1e40af); box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3); }
.feature-icon.green { background: linear-gradient(135deg, #10b981, #059669); box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3); }
.feature-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3); }
.feature-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3); }
.feature-icon.pink { background: linear-gradient(135deg, #ec4899, #db2777); box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3); }

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-light);
    margin-bottom: 0.75rem;
}

.feature-list i {
    color: var(--green);
    font-size: 0.875rem;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: var(--black);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--gray-light);
    line-height: 1.8;
}

.visual-card {
    background: var(--black-lighter);
    border: 1px solid var(--gray-dark);
    border-radius: 16px;
    overflow: hidden;
}

.visual-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-dark);
}

.visual-dots {
    display: flex;
    gap: 0.5rem;
}

.visual-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-dark);
}

.visual-content {
    padding: 2rem;
}

.visual-stat {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.visual-stat i {
    font-size: 2.5rem;
    color: var(--red);
}

.visual-number {
    font-size: 2.5rem;
    font-weight: 900;
}

.visual-label {
    color: var(--gray);
    font-size: 0.875rem;
}

.visual-chart {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    height: 150px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--red), var(--red-dark));
    border-radius: 8px 8px 0 0;
    animation: growBar 1s ease-out;
}

@keyframes growBar {
    from { height: 0; }
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--black-light) 0%, var(--black-lighter) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(220, 38, 38, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--black);
    border-top: 1px solid var(--gray-dark);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: var(--gray-light);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-dark);
    color: var(--gray);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--black-lighter);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--red);
    color: var(--white);
}

/* Responsive */
@media (max-width: 991px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}