:root {
    --bg-color: #0b1120;
    --second-bg-color: #1e293b;
    --text-color: #f8fafc;
    --second-text-color: #94a3b8;
    --main-color: #3b82f6;
    --main-color-hover: #2563eb;
    --accent-color: #8b5cf6;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Reusable Utils */
.gradient-text {
    background: linear-gradient(to right, var(--main-color), var(--accent-color));
    -webkit-background-clip: text;
    color: transparent;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

.section-title span {
    color: var(--main-color);
}

section {
    padding: 100px 10% 80px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, var(--main-color), var(--accent-color));
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

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

.btn-secondary:hover {
    border-color: var(--main-color);
    color: var(--main-color);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--main-color);
    border: 1px solid var(--main-color);
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-outline:hover {
    background: var(--main-color);
    color: #fff;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 10%;
    background: rgba(11, 17, 32, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
    transition: 0.3s;
}

.logo {
    font-size: 1.8rem;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: 1px;
}

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

.navbar a {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
    margin-left: 2.5rem;
    transition: 0.3s;
    position: relative;
}

.navbar a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--main-color);
    left: 0;
    bottom: -6px;
    transition: 0.3s;
}

.navbar a:hover::after,
.navbar a.active::after {
    width: 100%;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
}

#menu-icon {
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    display: none;
}

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

.hero-content {
    max-width: 600px;
}

.hero-content h3 {
    font-size: 1.5rem;
    color: var(--second-text-color);
    font-weight: 500;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 10px 0;
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--second-text-color);
    margin-bottom: 30px;
}

.btn-group {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-hero {
    display: flex;
    gap: 15px;
}

.social-hero a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--second-text-color);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--second-text-color);
    transition: 0.3s;
}

.social-hero a:hover {
    background: var(--main-color);
    border-color: var(--main-color);
    color: #fff;
    transform: translateY(-3px);
}

.hero-img {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img .img-wrapper {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--main-color), var(--accent-color));
    padding: 5px;
    box-shadow: 0 0 50px rgba(59, 130, 246, 0.3);
    animation: float 6s ease-in-out infinite;
}

.hero-img img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-color);
}

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

/* Sobre */
.sobre-content {
    display: flex;
    justify-content: center;
}

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

.sobre-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--main-color);
}

.sobre-text p {
    font-size: 1.1rem;
    color: var(--second-text-color);
    margin-bottom: 15px;
}

.sobre-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-box {
    background: var(--second-bg-color);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 150px;
    transition: 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--main-color);
}

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

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.skill-card {
    background: var(--second-bg-color);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    transition: 0.3s;
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-10px);
    background: var(--glass-bg);
    border-color: var(--main-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.skill-card i {
    font-size: 3rem;
    color: var(--main-color);
}

.skill-card span {
    font-weight: 500;
}

/* Projetos */
.projetos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.projeto-card {
    background: var(--second-bg-color);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: 0.3s;
}

.projeto-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-color: var(--accent-color);
}

.projeto-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.projeto-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.projeto-card:hover .projeto-img img {
    transform: scale(1.1);
}

.projeto-info {
    padding: 25px;
}

.projeto-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.projeto-info p {
    color: var(--second-text-color);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Diferenciais */
.dif-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.dif-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
    transition: 0.3s;
}

.dif-card:hover {
    transform: translateY(-5px);
    border-color: var(--main-color);
}

.dif-card i {
    font-size: 2.5rem;
    color: var(--main-color);
    margin-bottom: 15px;
}

.dif-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.dif-card p {
    color: var(--second-text-color);
    font-size: 0.95rem;
}

/* Contato */
.contato-container {
    display: flex;
    gap: 50px;
    background: var(--second-bg-color);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.contato-info {
    flex: 1;
}

.contato-info h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--main-color);
}

.contato-info p {
    color: var(--second-text-color);
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-links a {
    color: var(--text-color);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: 0.3s;
}

.contact-links a:hover {
    color: var(--main-color);
}

.contact-links i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.contato-form {
    flex: 1;
}

.contato-form .input-box {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.contato-form input,
.contato-form textarea {
    width: 100%;
    padding: 15px;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 1rem;
}

.contato-form input:focus,
.contato-form textarea:focus {
    border-color: var(--main-color);
}

.contato-form textarea {
    resize: none;
    margin-bottom: 15px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 25px;
    background: var(--second-bg-color);
    color: var(--second-text-color);
    border-top: 1px solid var(--glass-border);
}

/* Animations */
.hidden-element {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.show-element {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 991px) {
    section { padding: 80px 5% 60px; }
    .header { padding: 15px 5%; }
    .hero { flex-direction: column; text-align: center; padding-top: 150px; }
    .hero-content h1 { font-size: 3rem; }
    .btn-group, .social-hero { justify-content: center; }
    .hero-img { margin-top: 50px; }
    .hero-img .img-wrapper { width: 300px; height: 300px; }
    .contato-container { flex-direction: column; }
}

@media (max-width: 768px) {
    #menu-icon { display: block; }
    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 5%;
        background: var(--second-bg-color);
        border-bottom: 1px solid var(--glass-border);
        display: flex;
        flex-direction: column;
        display: none;
    }
    .navbar.active { display: flex; }
    .navbar a { display: block; margin: 1rem 0; font-size: 1.2rem; }
    .contato-form .input-box { flex-direction: column; }
}