/* -----------------------------------------------
Portfolio Style - Carlos Hisaba
----------------------------------------------- */

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

:root {
    --vh: 100%;
    --header-h: 80px;
    --primary-neon: #00ff88;
    --secondary-neon: #ff006e;
    --tertiary-neon: #00d9ff;
    --accent-neon: #ffbe0b;
    --dark-bg: #0a0e27;
    --darker-bg: #050812;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #1a1f3a;
}

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, var(--darker-bg) 0%, #1a0033 50%, var(--dark-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    min-height: auto;
    height: auto;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-neon);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    z-index: 1000;
    padding: 1rem 2rem;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-neon);
    text-shadow: 0 0 10px var(--primary-neon);
    letter-spacing: 2px;
    text-decoration: none;
}

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

nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.9rem;
    padding: 0.7rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 5px;
    background: rgba(0, 255, 136, 0.05);
    cursor: pointer;
}

nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 217, 255, 0.2));
    border-radius: 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

nav a:hover,
nav a.active {
    color: var(--primary-neon);
    border-color: var(--primary-neon);
    text-shadow: 0 0 10px var(--primary-neon);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.4), inset 0 0 10px rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
}

nav a:hover::before,
nav a.active::before {
    opacity: 1;
}

.language-toggle {
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--tertiary-neon);
    color: var(--tertiary-neon);
    padding: 0.7rem 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 0.9rem;
}

.language-toggle:hover {
    background: rgba(0, 217, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
    transform: translateY(-2px);
}

/* ---------- Botão hambúrguer (visível somente no mobile) ---------- */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    z-index: 1002;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    border-radius: 2px;
    background: var(--primary-neon);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
    transition: all 0.3s ease;
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

main {
    position: relative;
    z-index: 1;
    margin-top: var(--header-h, 80px);
}

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

.hero {
    min-height: calc(var(--vh) * 1 - var(--header-h, 80px));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 0, 110, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary-neon);
    text-shadow: 0 0 20px var(--primary-neon),
                 0 0 40px rgba(0, 255, 136, 0.5);
    letter-spacing: 3px;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 100% {
        text-shadow: 0 0 20px var(--primary-neon),
                     0 0 40px rgba(0, 255, 136, 0.5);
    }
    50% {
        text-shadow: 0 0 30px var(--tertiary-neon),
                     0 0 50px rgba(0, 217, 255, 0.5);
    }
}

.hero p {
    font-size: 1.3rem;
    color: var(--tertiary-neon);
    margin-bottom: 2rem;
    text-shadow: 0 0 10px var(--tertiary-neon);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    letter-spacing: 1px;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    border: 2px solid;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-neon);
    color: var(--darker-bg);
    border-color: var(--primary-neon);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.8),
                inset 0 0 20px rgba(0, 255, 136, 0.3);
    transform: scale(1.05);
}

.btn-secondary {
    background: transparent;
    color: var(--tertiary-neon);
    border-color: var(--tertiary-neon);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.6);
    transform: scale(1.05);
}

.about {
    padding: 6rem 2rem;
    background: rgba(10, 14, 39, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-neon);
    margin-bottom: 3rem;
    text-align: center;
    text-shadow: 0 0 20px var(--primary-neon);
    letter-spacing: 2px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    color: var(--tertiary-neon);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-box {
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid var(--primary-neon);
    padding: 1.5rem;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.4);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2rem;
    color: var(--secondary-neon);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.skills {
    padding: 6rem 2rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    background: rgba(0, 255, 136, 0.05);
    border: 2px solid var(--primary-neon);
    padding: 2rem;
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
    transition: left 0.5s ease;
}

.skill-card:hover::before {
    left: 100%;
}

.skill-card:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5),
                inset 0 0 20px rgba(0, 255, 136, 0.1);
    transform: translateY(-10px);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--primary-neon));
}

.skill-name {
    font-size: 1.2rem;
    color: var(--primary-neon);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.skill-level {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.projects {
    padding: 6rem 2rem;
    background: rgba(10, 14, 39, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.project-card {
    background: rgba(0, 217, 255, 0.05);
    border: 2px solid var(--tertiary-neon);
    border-radius: 5px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
    transform: translateY(-10px);
    border-color: var(--secondary-neon);
}

.project-header {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(255, 0, 110, 0.1));
    padding: 2rem;
    border-bottom: 1px solid var(--tertiary-neon);
}

.project-title {
    font-size: 1.3rem;
    color: var(--tertiary-neon);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    padding: 1.5rem;
}

.project-tech {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(255, 190, 11, 0.1);
    color: var(--accent-neon);
    padding: 0.3rem 0.8rem;
    border-radius: 3px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-neon);
}

.project-links {
    padding: 1rem 1.5rem;
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--primary-neon);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.project-link:hover {
    color: var(--secondary-neon);
    border-bottom: 1px solid var(--secondary-neon);
    text-shadow: 0 0 10px var(--secondary-neon);
}

.contact {
    padding: 6rem 2rem;
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary-neon);
    border-radius: 50%;
    color: var(--primary-neon);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.5rem;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.social-link:hover {
    background: var(--primary-neon);
    color: var(--darker-bg);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.6);
    transform: scale(1.1) rotate(5deg);
}

.social-link {
    position: relative;
}

.copy-tooltip {
    position: absolute;
    bottom: 75px;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: var(--primary-neon);
    color: var(--darker-bg);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 0.4rem 0.8rem;
    border-radius: 5px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.5);
}

.copy-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--primary-neon) transparent transparent transparent;
}

.copy-tooltip.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.home-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.2);
    border: 2px solid var(--primary-neon);
    border-radius: 50%;
    color: var(--primary-neon);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.home-button:hover {
    background: var(--primary-neon);
    color: var(--darker-bg);
    transform: scale(1.1) rotate(360deg);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.8);
}

.home-button.show {
    opacity: 1;
    visibility: visible;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-neon), var(--tertiary-neon), var(--secondary-neon));
    z-index: 1001;
    box-shadow: 0 0 10px var(--primary-neon);
    transition: width 0.1s ease-out;
}

footer {
    background: rgba(5, 8, 18, 0.9);
    border-top: 2px solid var(--primary-neon);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-text {
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .header-container {
        flex-wrap: nowrap;
    }

    .nav-container {
        gap: 0.8rem;
    }

    .language-toggle {
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }

    .menu-toggle {
        display: flex;
    }

    /* Nav vira um menu suspenso, escondido por padrão */
    nav#mainNav {
        display: none;
    }

    nav#mainNav.mobile-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-h, 64px);
        left: 0;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem 2rem;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(12px);
        border-bottom: 2px solid var(--primary-neon);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
        z-index: 999;
        animation: navSlideDown 0.25s ease;
    }

    nav#mainNav.mobile-open a {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }

    @keyframes navSlideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .home-button {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.pt-only, .en-only {
    display: block;
}

body.pt .en-only {
    display: none;
}

body.en .pt-only {
    display: none;
}