/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta de cores japonesa */
    --primary-red: #dc143c;
    --secondary-red: #b91c3c;
    --accent-gold: #ffd700;
    --dark-charcoal: #1a1a1a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --black: #000000;
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-light: rgba(0, 0, 0, 0.3);
    
    /* Tipografia */
    --font-japanese: 'Noto Sans JP', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-japanese);
    line-height: 1.6;
    color: var(--white);
    overflow-x: hidden;
    background: var(--black);
}

/* Vídeo de fundo */
#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-dark);
    z-index: -1;
}

/* Container principal */
.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Header e Navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.japanese-symbol {
    color: var(--primary-red);
    font-size: var(--font-size-2xl);
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    color: var(--white);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-red);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-normal);
}

/* Main content */
.main {
    padding-top: 80px;
}

/* Seção Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.title-line {
    display: block;
    color: var(--light-gray);
    font-size: var(--font-size-xl);
    font-weight: 400;
}

.title-name {
    display: block;
    color: var(--white);
    margin: var(--spacing-sm) 0;
}

.japanese-accent {
    display: block;
    color: var(--primary-red);
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-sm);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--light-gray);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 50px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: var(--secondary-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

.profile-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.profile-frame {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-red), var(--accent-gold));
    padding: 8px;
    animation: rotate 20s linear infinite;
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--dark-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-5xl);
    color: var(--light-gray);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    font-size: var(--font-size-2xl);
    animation: float 3s ease-in-out infinite;
}

.element-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.element-2 {
    top: 20%;
    left: 10%;
    animation-delay: 0.5s;
}

.element-3 {
    bottom: 20%;
    right: 15%;
    animation-delay: 1s;
}

.element-4 {
    bottom: 10%;
    left: 15%;
    animation-delay: 1.5s;
}

/* Seções */
.about, .contact {
    padding: var(--spacing-3xl) var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    margin: 0 auto;
    border-radius: 2px;
}

/* Seção Sobre */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.bio-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.bio-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.bio-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
}

.bio-header h3 {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.bio-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--light-gray);
    line-height: 1.8;
}

.bio-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.japanese-quote {
    text-align: center;
}

.japanese-quote span {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.japanese-quote small {
    color: var(--light-gray);
    font-style: italic;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.skill-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.skill-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.skill-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.skill-card p {
    color: var(--light-gray);
    font-size: var(--font-size-sm);
}

/* Seção de Contato */
.contact-content {
    text-align: center;
}

.contact-text {
    margin-bottom: var(--spacing-3xl);
}

.contact-text p {
    font-size: var(--font-size-xl);
    color: var(--light-gray);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--white);
    transition: var(--transition-normal);
    position: relative;
}

.social-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.social-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    opacity: 0.8;
}

.social-link:hover .social-icon {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.social-link.github:hover .social-icon {
    background: #333;
    border-color: #333;
}

.social-link.twitter:hover .social-icon {
    background: #1da1f2;
    border-color: #1da1f2;
}

.social-link.instagram:hover .social-icon {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: #e6683c;
}

.social-link.linkedin:hover .social-icon {
    background: #0077b5;
    border-color: #0077b5;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content p {
    color: var(--light-gray);
    font-size: var(--font-size-sm);
}

.heart {
    color: var(--primary-red);
    animation: heartbeat 1.5s ease-in-out infinite;
}

.japanese-text {
    color: var(--primary-red);
}

/* Partículas flutuantes */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-red);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    left: 30%;
    animation-delay: 3s;
}

.particle:nth-child(3) {
    left: 50%;
    animation-delay: 6s;
}

.particle:nth-child(4) {
    left: 70%;
    animation-delay: 9s;
}

.particle:nth-child(5) {
    left: 90%;
    animation-delay: 12s;
}

/* Animações */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .social-links {
        gap: var(--spacing-lg);
    }
    
    .social-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .profile-container {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-lg);
    }
    
    .about, .contact {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}