/* ==================== RESET & VARIABLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais - Tema Vermelho e Preto */
    --primary-color: #dc2626;
    --secondary-color: #991b1b;
    --accent-color: #ef4444;
    --dark-bg: #0a0a0a;
    --darker-bg: #000000;
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-muted: #a3a3a3;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-dark: linear-gradient(135deg, var(--darker-bg), var(--dark-bg));
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(220, 38, 38, 0.5);
    --shadow-glow-strong: 0 0 40px rgba(220, 38, 38, 0.7);
    
    /* Transições */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== NAVEGAÇÃO ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 2rem;
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.particle {
    position: absolute;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-50px) translateX(50px);
    }
    50% {
        transform: translateY(-100px) translateX(0);
    }
    75% {
        transform: translateY(-50px) translateX(-50px);
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    min-height: 2rem;
}

.typing-text {
    display: inline-block;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--primary-color);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Code Window */
.code-window {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: float-card 6s ease-in-out infinite;
}

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

.window-header {
    background: #1a1f2e;
    padding: 0.8rem;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28ca42; }

.code-content {
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
}

.code-keyword { color: #ff79c6; }
.code-variable { color: #8be9fd; }
.code-property { color: #50fa7b; }
.code-string { color: #f1fa8c; }
.code-boolean { color: #bd93f9; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 25px; }
}

/* ==================== SECTION TITLES ==================== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: 5rem 2rem;
    background: var(--darker-bg);
}

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

.about-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
    padding: 5rem 2rem;
    background: var(--dark-bg);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 250px;
    background: var(--card-bg);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

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

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(153, 27, 27, 0.1));
    z-index: 1;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card a {
    display: block;
}

.project-link {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
    pointer-events: none;
}

.project-card:hover .project-link {
    transform: scale(1.15) rotate(15deg);
    box-shadow: var(--shadow-glow-strong);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(220, 38, 38, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--primary-color);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.wip-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.5);
    animation: pulse-featured 2s infinite, glow-featured 2s infinite;
    z-index: 3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.project-featured {
    border: 2px solid rgba(251, 191, 36, 0.5);
}

.project-featured:hover {
    border-color: #fbbf24;
    box-shadow: 0 10px 40px rgba(251, 191, 36, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes pulse-featured {
    0%, 100% { 
        transform: scale(1); 
        opacity: 1; 
    }
    50% { 
        transform: scale(1.05); 
        opacity: 0.9; 
    }
}

@keyframes glow-featured {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(251, 191, 36, 0.5);
    }
    50% {
        box-shadow: 0 4px 25px rgba(251, 191, 36, 0.8);
    }
}

/* ==================== ANDROID PROJECTS ==================== */
.android-projects {
    padding: 5rem 2rem;
    background: var(--darker-bg);
}

.android-app-link {
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 3rem;
}

.android-app {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid rgba(61, 220, 132, 0.2);
    cursor: pointer;
}

.android-app:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 40px rgba(61, 220, 132, 0.2);
    border-color: #3ddc84;
}

.android-app-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid rgba(61, 220, 132, 0.2);
}

.android-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3ddc84, #07c160);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 5px 20px rgba(61, 220, 132, 0.3);
}

.android-app-info {
    flex: 1;
}

.android-app-info h3 {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, #3ddc84, #07c160);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.android-app-info h3 i {
    font-size: 1.2rem;
    opacity: 0.7;
    transition: var(--transition);
}

.android-app:hover .android-app-info h3 i {
    opacity: 1;
    transform: translateX(5px);
}

.android-app-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 1.05rem;
}

.android-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.android-tags .tag {
    background: rgba(61, 220, 132, 0.15);
    border-color: #3ddc84;
    color: #3ddc84;
}

.android-tags .tag:hover {
    background: #3ddc84;
    color: var(--darker-bg);
}

.android-screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.screenshot-item {
    background: rgba(61, 220, 132, 0.05);
    border-radius: 15px;
    padding: 1rem;
    transition: var(--transition);
    border: 2px solid rgba(61, 220, 132, 0.2);
    max-width: 350px;
    width: 100%;
}

.screenshot-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 40px rgba(61, 220, 132, 0.3);
    border-color: #3ddc84;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.screenshot-item:hover img {
    box-shadow: 0 10px 30px rgba(61, 220, 132, 0.4);
}

/* ==================== REPOSITORIES ==================== */
.repositories {
    padding: 5rem 2rem;
    background: var(--darker-bg);
}

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

.repo-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
}

.repo-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
    border-left-width: 6px;
}

.repo-icon {
    width: 60px;
    height: 60px;
    background: rgba(220, 38, 38, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.repo-card:hover .repo-icon {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.repo-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.repo-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.repo-stats {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.repo-stats i {
    color: var(--primary-color);
}

/* ==================== SKILLS ==================== */
.skills {
    padding: 5rem 2rem;
    background: var(--darker-bg);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 15px;
    transition: var(--transition);
}

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

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(220, 38, 38, 0.3));
    transition: var(--transition);
}

.skill-item:hover .skill-icon img {
    filter: drop-shadow(0 0 20px rgba(220, 38, 38, 0.6));
    transform: scale(1.1);
}

.skill-icon i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.skill-bar {
    background: rgba(220, 38, 38, 0.1);
    height: 10px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 1s ease;
    width: 0;
}

/* ==================== CONTACT ==================== */
.contact {
    padding: 5rem 2rem;
    background: var(--dark-bg);
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 700px;
    margin: 3rem auto 0;
    text-align: center;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid transparent;
}

.social-link:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.social-link i {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-link.whatsapp i {
    background: #25d366;
    color: white;
}

.social-link.linkedin i {
    background: #0077b5;
    color: white;
}

.social-link.instagram i {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
}

.social-link.github i {
    background: #333;
    color: white;
}


/* ==================== FOOTER ==================== */
.footer {
    background: var(--darker-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

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

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-content i {
    color: var(--accent-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-strong);
}

/* ==================== WHATSAPP BUTTON ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 998;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25d366;
    z-index: -1;
    animation: ripple-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes ripple-whatsapp {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: #25d366;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: #25d366;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ==================== ANIMATIONS ==================== */
[data-aos] {
    opacity: 0;
    transition: var(--transition-slow);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-20deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        border-top: 2px solid var(--primary-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 0.8rem 0;
    }
    
    .hero {
        padding: 5rem 1.5rem 2rem;
        min-height: auto;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .code-window {
        max-width: 100%;
    }
    
    .code-content {
        padding: 1.5rem;
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-title::after {
        width: 80px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .about,
    .projects,
    .android-projects,
    .repositories,
    .skills,
    .contact {
        padding: 3rem 1rem;
    }
    
    .contact-content {
        max-width: 100%;
    }
    
    .social-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-cards,
    .projects-grid,
    .repo-grid,
    .skills-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card,
    .about-card,
    .repo-card,
    .skill-item {
        margin: 0 auto;
        max-width: 100%;
    }
    
    .android-app {
        padding: 1.5rem;
    }
    
    .android-app-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .android-app-info h3 {
        font-size: 1.6rem;
        justify-content: center;
    }
    
    .android-screenshots {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .screenshot-item {
        max-width: 100%;
    }
    
    .social-links {
        margin-top: 1.5rem;
    }
    
    .whatsapp-float {
        bottom: 5rem;
        right: 1.5rem;
        width: 55px;
        height: 55px;
        font-size: 1.6rem;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
    
    .scroll-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .custom-cursor,
    .cursor-follower {
        display: none !important;
    }
    
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.7rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .about-card,
    .project-card,
    .android-app {
        padding: 1rem;
    }
    
    .card-icon,
    .android-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .android-app-info h3 {
        font-size: 1.4rem;
        justify-content: center;
    }
    
    .android-app-info h3 i {
        font-size: 1rem;
    }
    
    .android-app-info p {
        font-size: 0.95rem;
    }
    
    .project-image {
        height: 200px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        bottom: 4.5rem;
        right: 1rem;
    }
    
    .scroll-top {
        width: 40px;
        height: 40px;
        bottom: 1rem;
        right: 1rem;
    }
}