/* ============================================
   CSS Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Black Theme */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6a;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-border: #2a2a2a;
    --color-shadow: rgba(0, 255, 136, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff88, #00ccff);
    --gradient-bg: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid var(--color-border);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.nav-logo {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.1);
}

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

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-smooth);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    transition: width var(--transition-smooth);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-smooth);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.85) 0%, rgba(17, 17, 17, 0.85) 100%), url('pxfuel.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-30px, 30px) rotate(90deg); }
    50% { transform: translate(0, 60px) rotate(180deg); }
    75% { transform: translate(30px, 30px) rotate(270deg); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-sm);
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

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

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

.hero-social {
    display: flex;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text);
    transition: all var(--transition-smooth);
    border: 1px solid var(--color-border);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--color-bg);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease 0.5s both;
}

.hero-blob {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
    box-shadow: var(--shadow-glow);
    opacity: 0.2;
}

.hero-photo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    z-index: 2;
    border: 4px solid var(--color-bg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), var(--shadow-glow);
}

@keyframes morph {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
}

/* ============================================
   About Section
   ============================================ */
.about {
    background-color: var(--color-bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    animation: fadeInUp 0.8s ease;
}

.about-description {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

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

.info-icon {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    display: flex;
    align-items: center;
}

.info-icon svg {
    width: 24px;
    height: 24px;
}

/* Evita que textos longos (e-mail) estourem o container */
.info-item span:last-child {
    min-width: 0;
}

.info-item .info-email {
    overflow-wrap: normal;
    word-break: normal;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Skills Section
   ============================================ */
.skills {
    background:
        linear-gradient(180deg, rgba(10, 10, 10, 0.92) 0%, rgba(17, 17, 17, 0.92) 100%),
        url('skillsqa.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 204, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.skills .container {
    position: relative;
    z-index: 1;
}

.skills-subtitle {
    text-align: center;
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-top: -2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.skill-category {
    background: linear-gradient(145deg, rgba(17, 17, 17, 0.9), rgba(26, 26, 26, 0.9));
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.15),
                0 0 60px rgba(0, 255, 136, 0.1);
}

.category-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
    transition: all 0.4s ease;
}

.skill-category:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(0, 255, 136, 0.5);
}

.category-icon svg {
    color: var(--color-bg);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 0.75rem;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.skill-category:hover .category-title::after {
    width: 80px;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.65rem 1rem;
    background: rgba(26, 26, 26, 0.8);
    color: var(--color-text);
    border-radius: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.4s ease;
    z-index: 0;
}

.skill-tag:hover::before {
    left: 0;
}

.skill-tag span,
.skill-tag img {
    position: relative;
    z-index: 1;
}

.skill-tag:hover {
    color: var(--color-bg);
    border-color: transparent;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.skill-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    filter: invert(1) brightness(1.1);
    transition: filter 0.3s ease;
}

.skill-tag:hover .skill-icon {
    filter: brightness(0) invert(0);
}

.skill-tag:hover .skill-icon.keep-contrast {
    filter: brightness(0) invert(1);
}

/* Responsivo */
@media (max-width: 768px) {
    .skills-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .skills-subtitle {
        font-size: var(--font-size-sm);
        padding: 0 1rem;
    }
    
    .category-icon {
        width: 48px;
        height: 48px;
    }
    
    .category-icon svg {
        width: 28px;
        height: 28px;
    }
}

@media (min-width: 1200px) {
    .skills-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Experience Section (Timeline)
   ============================================ */
.experience {
    background-color: var(--color-bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    animation: fadeInLeft 0.8s ease;
}

.timeline-marker {
    position: absolute;
    left: -34px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg-secondary);
    box-shadow: var(--shadow-glow);
}

.timeline-content {
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-left: var(--spacing-md);
    transition: all var(--transition-smooth);
    position: relative;
}

.timeline-content:hover {
    border-color: var(--color-primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.company-logo {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 6px;
    background-color: #ffffff;
    padding: 4px;
    box-shadow: var(--shadow-sm);
}

.company-logo.no-bg {
    background-color: transparent;
}

.company-logo.cover {
    object-fit: cover;
}

.company-logo.rf-logo {
    width: 115px; /* +15px em relação ao padrão 100px */
}

.timeline-title {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    font-size: var(--font-size-md);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    list-style: none;
    padding-left: 0;
}

.timeline-description li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.timeline-description li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* ============================================
   Education Section
   ============================================ */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.education-card {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
    animation: fadeInUp 0.8s ease;
}

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

.highlight-card {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.card-institution {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.card-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background-color: var(--color-bg-secondary);
}

/* ============================================
   Projects Section
   ============================================ */
.projects {
    background:
        linear-gradient(180deg, rgba(10,10,10,0.85) 0%, rgba(17,17,17,0.85) 100%),
        url('github.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: visible;
    position: relative;
}

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

.project-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    position: relative;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.project-repo {
    color: var(--color-bg);
    background: var(--gradient-primary);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
}

.project-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-tags .tag {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.6rem;
    display: inline-flex;
    align-items: center;
    font-size: var(--font-size-xs);
}

.project-highlights {
    list-style: none;
    padding-left: 0;
    color: var(--color-text-secondary);
}

.project-highlights li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.3rem;
}

.project-highlights li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Título com ícone do GitHub */
.projects .section-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0;
}

.github-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-text);
}

/* ============================================
   Projects Header - Título e Conquistas na mesma linha
   ============================================ */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   Achievements Section
   ============================================ */
.achievements-section {
    text-align: right;
    overflow: visible;
    position: relative;
    z-index: 100;
}

.achievements-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.achievements-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    overflow: visible;
    position: relative;
    z-index: 100;
}

.achievement-badge {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-smooth);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    background-color: var(--color-bg-tertiary);
    overflow: visible;
    z-index: 100;
}

.achievement-badge:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.badge-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    pointer-events: none;
}

/* Achievement Tooltip */
.achievement-tooltip {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 10000;
    pointer-events: none;
    white-space: normal;
}

.achievement-badge:hover .achievement-tooltip,
.achievement-badge:focus .achievement-tooltip {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.tooltip-icon-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #f97316, #fb923c);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.achievement-badge[data-badge="galaxy-brain"] .tooltip-icon-wrapper {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.achievement-badge[data-badge="pull-shark"] .tooltip-icon-wrapper {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

.achievement-badge[data-badge="quickdraw"] .tooltip-icon-wrapper {
    background: linear-gradient(135deg, #f97316, #fb923c);
}

.tooltip-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.tooltip-content {
    padding: 16px;
    background-color: var(--color-bg-tertiary);
}

.tooltip-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 4px 0;
}

.tooltip-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0 0 12px 0;
}

.tooltip-separator {
    height: 1px;
    background-color: var(--color-border);
    margin: 12px 0;
}

.tooltip-history {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.history-icon {
    font-size: 16px;
}

/* Tooltip arrow */
.achievement-tooltip::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--color-bg-tertiary);
}

/* Responsive adjustments for tooltips */
@media (max-width: 768px) {
    .achievement-tooltip {
        width: 240px;
        font-size: 0.9rem;
    }
    
    .tooltip-icon {
        width: 60px;
        height: 60px;
    }
    
    .projects-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .achievements-section {
        text-align: center;
        width: 100%;
    }
    
    .achievements-grid {
        justify-content: center;
    }
}

.project-image {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 230px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    cursor: zoom-in;
}

/* ============================================
   Image Modal
   ============================================ */
.image-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.image-modal.open { display: flex; }

.image-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-modal-content img {
    display: block;
    width: 100%;
    height: auto;
}

.image-modal-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 22px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

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

.contact-text {
    text-align: center;
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
    text-decoration: none;
    color: var(--color-text);
    animation: fadeInUp 0.8s ease;
}

.contact-method:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.method-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: var(--color-bg);
    flex-shrink: 0;
}

.method-details h4 {
    color: var(--color-primary);
    margin-bottom: 0.25rem;
    font-size: var(--font-size-sm);
}

.method-details p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-subtext {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

/* ============================================
   Floating Home Button
   ============================================ */
.float-home-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-bg);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    z-index: 1100;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.float-home-btn svg {
    width: 26px;
    height: 26px;
}

.float-home-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

@media (max-width: 576px) {
    .float-home-btn {
        right: 16px;
        bottom: 16px;
        width: 48px;
        height: 48px;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    :root {
        --font-size-xxl: 2.5rem;
        --font-size-xl: 1.75rem;
        --font-size-lg: 1.25rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-image {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        transition: left var(--transition-smooth);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }

    .nav-item {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-sm);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline-marker {
        left: -26px;
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

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

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

    .contact-methods {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Scroll Reveal (Intersection Observer)
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}