@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #404040;
    --light-gray: #808080;
    --lighter-gray: #c0c0c0;
    --white: #ffffff;
    --accent: #333333;
    --sidebar-width: 80px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Cursor - CORRIGIDO */
.cursor {
    width: 12px;
    height: 12px;
    background: var(--black);
    border-radius: 50%;
    position: fixed;
    top: -6px;
    left: -6px;
    pointer-events: none;
    z-index: 10000;
    transition: all 0.15s ease-out;
    opacity: 1;
    visibility: visible;
}

.cursor.hover {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--black);
    top: -20px;
    left: -20px;
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--black);
    color: var(--white);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.sidebar-content {
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    color: var(--light-gray);
    text-decoration: none;
    font-size: 1.2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-menu a:hover {
    background: var(--medium-gray);
    color: var(--white);
    transform: scale(1.1);
}

.sidebar-menu a::after {
    content: attr(data-text);
    position: absolute;
    left: 70px;
    background: var(--medium-gray);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.sidebar-menu a:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-footer {
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--light-gray);
    text-decoration: none;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.social-links a:hover {
    background: var(--medium-gray);
    color: var(--white);
    transform: scale(1.1);
}

.social-links a::after {
    content: attr(data-text);
    position: absolute;
    left: 50px;
    background: var(--medium-gray);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.social-links a:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 2rem;
    left: 2rem;
    width: 50px;
    height: 50px;
    background: var(--black);
    border: none;
    border-radius: 12px;
    z-index: 2000;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 4rem;
    background: linear-gradient(135deg, var(--white) 0%, #f8f8f8 100%);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    position: relative;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    position: relative;
}

.hero-title .highlight {
    background: var(--black);
    color: var(--white);
    padding: 0 0.2em;
    display: inline-block;
    transform: rotate(-1deg);
    margin: 0 0.1em;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 3rem;
    max-width: 500px;
    line-height: 1.7;
}

.hero-image {
    position: relative;
    height: 400px;
    perspective: 1000px;
}

.image-container {
    width: 100%;
    height: 100%;
    background: var(--dark-gray);
    border-radius: 20px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
    overflow: hidden;
}

.image-container:hover {
    transform: rotateY(10deg) rotateX(5deg);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--black);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    border: 2px solid var(--black);
}

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

/* Floating Elements */
.floating-element {
    position: absolute;
    background: var(--lighter-gray);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 60px;
    height: 60px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 40px;
    height: 40px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* About Section */
.about {
    padding: 8rem 4rem;
    background: var(--black);
    color: var(--white);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 6rem;
    align-items: start;
}

.section-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--light-gray);
    font-weight: 600;
    position: sticky;
    top: 2rem;
}

.about-text {
    font-size: 1.8rem;
    line-height: 1.4;
    font-weight: 300;
    letter-spacing: -0.01em;
}

.about-text strong {
    font-weight: 700;
}

/* Skills Section - CARROSSEL 3D */
.skills {
    padding: 8rem 4rem;
    background: var(--white);
    color: var(--black);
    overflow: hidden;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.carousel-controls {
    display: flex;
    gap: 1rem;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--medium-gray);
    transform: scale(1.1);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: scale(1);
}

.skills-carousel-container {
    position: relative;
    height: 400px;
    perspective: 1000px;
    overflow: hidden;
    margin: 2rem 0;
}

.skills-carousel {
    display: flex;
    gap: 2rem;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
}

.skill-card {
    flex: 0 0 300px;
    height: 350px;
    perspective: 1000px;
    cursor: pointer;
}

.skill-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

.skill-card:hover .skill-card-inner {
    transform: rotateY(180deg);
}

.skill-front,
.skill-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.skill-front {
    background: var(--dark-gray);
    color: var(--white);
}

.skill-back {
    background: var(--black);
    color: var(--white);
    transform: rotateY(180deg);
}

.skill-icon {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.skill-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.skill-level {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--lighter-gray);
}

.skill-description {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    text-align: center;
    padding: 0 1rem;
}

.skill-percentage {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--lighter-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--black);
    transform: scale(1.2);
}

/* Contact Section */
.contact {
    padding: 8rem 4rem;
    background: var(--dark-gray);
    color: var(--white);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.contact-description {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 4rem;
    line-height: 1.6;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    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: linear-gradient(135deg, #ffffff, #e5e5e5);
    color: #000000;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
    background: linear-gradient(135deg, #f5f5f5, #ffffff);
}

.btn.secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn.secondary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loading-text {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: pulse 1.5s ease-in-out infinite;
}

/*projetos*/
/* ===== PROJETOS PAGE STYLES ===== */

.projetos-section {
    min-height: 100vh;
    background: var(--white);
    color: var(--black);
    position: relative;
    overflow: hidden;
}

.projetos-header {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 4rem;
    background: linear-gradient(135deg, var(--white) 0%, #f8f8f8 100%);
}

.projetos-title-container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
}

.projetos-main-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.projetos-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Grid Container */
.projetos-grid-container {
    padding: 4rem;
    background: var(--black);
    min-height: 60vh;
}

.projetos-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

/* Projeto Item - Efeito Patrick David */
.projeto-item {
    background: var(--dark-gray);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    aspect-ratio: 4/3;
    border: 1px solid var(--medium-gray);
}

/* Efeito principal - hover no item faz ele crescer e outros diminuírem */
.projetos-grid:hover .projeto-item:not(:hover) {
    transform: scale(0.9);
    opacity: 0.5;
    filter: blur(2px);
}

.projeto-item:hover {
    transform: scale(1.1);
    z-index: 10;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    border-color: var(--white);
}

/* Imagem do Projeto */

.projeto-image {
    width: 100%;
    height: 70%;
    position: relative;
    overflow: hidden;
    background: var(--medium-gray);
}

.projeto-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

/* Info do Projeto */
.projeto-info {
    padding: 1.5rem;
    background: var(--black);
    color: var(--white);
    height: 30%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.projeto-titulo {
    font-size: 1.4rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.projeto-subtitulo {
    font-size: 0.8rem;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Footer */
.projetos-footer {
    background: var(--black);
    padding: 2rem 4rem;
    text-align: center;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--white);
    color: var(--black);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

.btn2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--white);
    color: var(--black);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn2:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}
/* Responsive Design */
@media (max-width: 1024px) {
    .projetos-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 1.5rem;
    }
    
    .projetos-header {
        padding: 0 2rem;
        height: 50vh;
    }
    
    .projetos-grid-container {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .projetos-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .projeto-item {
        aspect-ratio: 16/10;
    }
    
    .projetos-header {
        padding: 0 1rem;
        height: 40vh;
    }
    
    .projetos-grid-container {
        padding: 1rem;
    }
    
    .projetos-footer {
        padding: 2rem 1rem;
    }
    
    /* Desabilitar efeito em mobile */
    .projetos-grid:hover .projeto-item:not(:hover) {
        transform: scale(1);
        opacity: 1;
        filter: blur(0);
    }
    
    .projeto-item:hover {
        transform: scale(1.05);
    }
}

@media (max-width: 480px) {
    .projetos-main-title {
        font-size: 2.5rem;
    }
    
    .projeto-titulo {
        font-size: 1.2rem;
    }
    
    .projeto-subtitulo {
        font-size: 0.7rem;
    }
}

/* Performance para dispositivos touch */
@media (hover: none) and (pointer: coarse) {
    .projetos-grid:hover .projeto-item:not(:hover) {
        transform: none;
        opacity: 1;
        filter: none;
    }
    
    .projeto-item:hover {
        transform: none;
    }
    
    .projeto-item:active {
        transform: scale(0.95);
    }
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(90deg); }
    50% { transform: translateY(-40px) rotate(180deg); }
    75% { transform: translateY(-20px) rotate(270deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero {
        padding: 0 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .skills {
        padding: 6rem 2rem;
    }
    
    .contact {
        padding: 6rem 2rem;
    }
    
    .skill-card {
        flex: 0 0 280px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-text {
        font-size: 1.4rem;
    }
    
    .section-header {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .skills-carousel-container {
        height: 300px;
    }
    
    .skill-card {
        flex: 0 0 250px;
        height: 280px;
    }
    
    .skill-card-inner {
        /* Para mobile, mostrar sempre o front por padrão */
        transform: rotateY(0deg);
    }
    
    .skill-card:active .skill-card-inner {
        transform: rotateY(180deg);
    }
    
    .contact-title {
        font-size: 2.5rem;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .mobile-menu-toggle {
        top: 1rem;
        left: 1rem;
        width: 40px;
        height: 40px;
    }
    
    .hero {
        padding: 0 1rem;
    }
    
    .skills {
        padding: 4rem 1rem;
    }
    
    .about {
        padding: 4rem 1rem;
    }
    
    .contact {
        padding: 4rem 1rem;
    }
    
    .skill-card {
        flex: 0 0 220px;
        height: 260px;
    }
    
    .skills-carousel-container {
        height: 280px;
    }
    
    .hero-image {
        height: 300px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .cursor {
        display: none;
    }
    
    .skill-card:hover .skill-card-inner {
        transform: rotateY(0deg);
    }
    
    .skill-card:active .skill-card-inner {
        transform: rotateY(180deg);
    }
    
    .sidebar-menu a:hover::after,
    .social-links a:hover::after {
        display: none;
    }
}