/* Advanced Data Analyst Portfolio - Complete CSS */
:root {
    --primary: #00d4ff; --primary-dark: #00a8cc; --primary-light: #e6f9ff;
    --secondary: #6c5ce7; --accent: #ff6b6b; --success: #00b894; --warning: #fdcb6e;
    --bg-dark: #0a0e27; --bg-darker: #050816; --bg-card: rgba(15, 23, 42, 0.6);
    --text-primary: #ffffff; --text-secondary: #94a3b8; --text-muted: #64748b;
    --font-display: 'Sora', sans-serif; --font-body: 'Sora', sans-serif;
    --font-mono: 'JetBrains Mono', 'Space Mono', monospace;
    --space-xs: 0.5rem; --space-sm: 1rem; --space-md: 1.5rem;
    --space-lg: 2rem; --space-xl: 3rem; --space-2xl: 4rem; --space-3xl: 6rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 212, 255, 0.25);
    --border-radius: 12px; --border-radius-lg: 20px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font-body); background: var(--bg-darker); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(108, 92, 231, 0.03) 0%, transparent 50%); pointer-events: none; z-index: 0; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 var(--space-lg); }
#particles-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.cursor-dot, .cursor-outline { pointer-events: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 50%; opacity: 1; transition: opacity 0.3s, transform 0.3s; z-index: 10000; }
.cursor-dot { width: 8px; height: 8px; background: var(--primary); box-shadow: 0 0 20px rgba(0, 212, 255, 0.5); }
.cursor-outline { width: 40px; height: 40px; border: 2px solid var(--primary); opacity: 0.5; }
@media (max-width: 768px) { .cursor-dot, .cursor-outline { display: none; } }
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--space-md) 0; background: rgba(10, 14, 39, 0.8); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.1); transition: var(--transition); }
.navbar.scrolled { padding: var(--space-sm) 0; box-shadow: var(--shadow-lg); background: rgba(10, 14, 39, 0.95); }
.nav-container { max-width: 1400px; margin: 0 auto; padding: 0 var(--space-lg); display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 0.2rem; }
.logo-bracket { color: var(--secondary); font-size: 1.8rem; }
.logo-text { color: var(--text-primary); }
.nav-menu { display: flex; list-style: none; gap: var(--space-xl); align-items: center; }
.nav-link { text-decoration: none; color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; transition: var(--transition); position: relative; }
.nav-number { color: var(--primary); font-family: var(--font-mono); font-size: 0.8rem; }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.hamburger span { width: 28px; height: 3px; background: var(--primary); border-radius: 3px; transition: var(--transition); }
.hero { min-height: 100vh; display: flex; align-items: center; padding: var(--space-3xl) 0; position: relative; z-index: 1; }
.hero-container { max-width: 1400px; margin: 0 auto; padding: 0 var(--space-lg); display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-3xl); align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.6rem 1.2rem; background: rgba(0, 212, 255, 0.1); border: 1px solid rgba(0, 212, 255, 0.3); border-radius: 50px; color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: var(--space-lg); animation: fadeInUp 0.6s ease-out; }
.badge-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
.hero-intro { font-family: var(--font-mono); font-size: 1rem; color: var(--primary); margin-bottom: var(--space-sm); animation: fadeInUp 0.6s ease-out 0.1s backwards; }
.hero-title { font-family: var(--font-display); font-size: 5rem; font-weight: 800; line-height: 1.1; margin-bottom: var(--space-md); animation: fadeInUp 0.6s ease-out 0.2s backwards; }
.glitch { position: relative; color: var(--text-primary); }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
.hero-subtitle { font-size: 1.8rem; color: var(--text-secondary); margin-bottom: var(--space-lg); animation: fadeInUp 0.6s ease-out 0.3s backwards; }
.typing-text { background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary)); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; animation: gradient-shift 3s ease infinite; }
@keyframes gradient-shift { to { background-position: 200% center; } }
.hero-description { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-xl); max-width: 600px; animation: fadeInUp 0.6s ease-out 0.4s backwards; }
.hero-description strong { color: var(--primary); }
.hero-buttons { display: flex; gap: var(--space-md); margin-bottom: var(--space-2xl); animation: fadeInUp 0.6s ease-out 0.5s backwards; }
.btn { padding: 1rem 2rem; border: none; border-radius: var(--border-radius); font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: var(--transition); font-family: var(--font-body); position: relative; overflow: hidden; }
.btn::before { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.2); transform: translate(-50%, -50%); transition: width 0.6s, height 0.6s; }
.btn:hover::before { width: 300px; height: 300px; }
.btn span, .btn svg { position: relative; z-index: 1; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: var(--text-primary); box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: rgba(0, 212, 255, 0.1); transform: translateY(-3px); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); animation: fadeInUp 0.6s ease-out 0.6s backwards; }
.stat-card { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-md); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); text-align: center; transition: var(--transition); }
.stat-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.stat-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 0.3rem; }
.stat-label { font-size: 0.85rem; color: var(--text-secondary); }
.hero-visual { position: relative; height: 600px; animation: fadeIn 1s ease-out 0.3s backwards; }
.chart-container { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100%; height: 400px; background: var(--bg-card); backdrop-filter: blur(10px); border-radius: var(--border-radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); padding: var(--space-lg); box-shadow: var(--shadow-xl); }
.floating-elements { position: absolute; width: 100%; height: 100%; }
.float-card { position: absolute; background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-md); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); display: flex; align-items: center; gap: 0.5rem; box-shadow: var(--shadow-md); animation: float 3s ease-in-out infinite; }
.card-1 { top: 10%; left: -5%; animation-delay: 0s; }
.card-2 { top: 20%; right: -5%; animation-delay: 1s; }
.card-3 { bottom: 20%; left: 0; animation-delay: 2s; }
.card-4 { bottom: 10%; right: 10%; animation-delay: 1.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
.card-icon { font-size: 1.5rem; }
.card-label { font-weight: 600; color: var(--text-primary); }
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-size: 0.85rem; 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: 24px; height: 36px; border: 2px solid var(--primary); border-radius: 15px; position: relative; }
.mouse::before { content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--primary); border-radius: 2px; animation: scroll-down 2s infinite; }
@keyframes scroll-down { 0% { opacity: 1; top: 8px; } 100% { opacity: 0; top: 20px; } }
section { padding: var(--space-3xl) 0; position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: var(--space-3xl); }
.section-number { font-family: var(--font-mono); font-size: 1.2rem; color: var(--primary); font-weight: 600; }
.section-title { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--text-primary); margin: var(--space-sm) 0; display: inline-block; }
.title-line { height: 3px; width: 80px; background: linear-gradient(90deg, var(--primary), var(--secondary)); margin: var(--space-md) auto 0; border-radius: 3px; }
.about { background: rgba(15, 23, 42, 0.3); }
.about-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--space-3xl); align-items: start; }
.highlight-text { font-size: 1.3rem; color: var(--text-primary); font-weight: 600; line-height: 1.8; margin-bottom: var(--space-lg); }
.text-content p { color: var(--text-secondary); margin-bottom: var(--space-md); line-height: 1.8; }
.text-content strong { color: var(--primary); }
.expertise-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); margin-top: var(--space-xl); }
.expertise-item { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-md); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); transition: var(--transition); }
.expertise-item:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.expertise-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.expertise-item h4 { color: var(--text-primary); margin-bottom: 0.5rem; font-size: 1.1rem; }
.expertise-item p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }
.profile-card { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-xl); border-radius: var(--border-radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); text-align: center; box-shadow: var(--shadow-lg); margin-bottom: var(--space-lg); }
.profile-image { margin-bottom: var(--space-md); }
.image-placeholder { width: 200px; height: 200px; margin: 0 auto; position: relative; }
.image-placeholder svg { width: 100%; height: 100%; color: var(--primary); opacity: 0.2; }
.profile-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-mono); font-size: 3rem; font-weight: 800; color: var(--primary); }
.profile-info h3 { font-size: 1.5rem; color: var(--text-primary); margin-bottom: 0.3rem; }
.profile-info p { color: var(--text-secondary); margin-bottom: var(--space-md); }
.profile-stats { display: flex; justify-content: center; gap: var(--space-xl); }
.profile-stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.stat-text { font-size: 0.85rem; color: var(--text-secondary); }
.quote-card { background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(108, 92, 231, 0.1)); backdrop-filter: blur(10px); padding: var(--space-xl); border-radius: var(--border-radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); position: relative; }
.quote-icon { font-size: 4rem; color: var(--primary); opacity: 0.2; line-height: 1; margin-bottom: var(--space-sm); }
.quote-text { font-size: 1.2rem; color: var(--text-primary); font-style: italic; margin-bottom: var(--space-sm); line-height: 1.6; }
.quote-author { color: var(--text-secondary); font-size: 0.9rem; }
.skills-tabs { display: flex; justify-content: center; gap: var(--space-sm); margin-bottom: var(--space-2xl); flex-wrap: wrap; }
.tab-btn { padding: 0.8rem 1.5rem; background: var(--bg-card); backdrop-filter: blur(10px); color: var(--text-secondary); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--border-radius); font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.tab-btn:hover { color: var(--primary); border-color: var(--primary); }
.tab-btn.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: var(--text-primary); border-color: transparent; }
.skill-category { margin-bottom: var(--space-2xl); opacity: 1; transition: var(--transition); }
.skill-category.hidden { display: none; }
.category-header { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-lg); }
.category-icon { font-size: 2.5rem; }
.category-header h3 { font-family: var(--font-display); font-size: 1.8rem; color: var(--text-primary); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
.skill-card { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-lg); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); transition: var(--transition); position: relative; overflow: hidden; }
.skill-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); transform: scaleX(0); transform-origin: left; transition: var(--transition); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-card:hover { transform: translateY(-8px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.skill-card.featured { border-color: var(--primary); box-shadow: var(--shadow-md); }
.skill-icon { width: 50px; height: 50px; margin-bottom: var(--space-md); font-size: 2.5rem; }
.skill-icon img { width: 100%; height: 100%; object-fit: contain; }
.skill-card h4 { color: var(--text-primary); margin-bottom: var(--space-md); font-size: 1.2rem; }
.skill-bar { width: 100%; height: 8px; background: rgba(255, 255, 255, 0.1); border-radius: 10px; overflow: hidden; margin-bottom: 0.5rem; }
.skill-progress { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 10px; width: 0; transition: width 1s ease-out; }
.skill-percent { font-family: var(--font-mono); color: var(--primary); font-size: 0.9rem; font-weight: 600; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-sm); }
.tag { padding: 0.3rem 0.8rem; background: rgba(0, 212, 255, 0.1); color: var(--primary); border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.competencies-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-lg); }
.competency-item { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-lg); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); }
.competency-item h4 { color: var(--text-primary); margin-bottom: var(--space-md); font-size: 1.2rem; }
.comp-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.comp-tag { padding: 0.5rem 1rem; background: rgba(108, 92, 231, 0.1); color: var(--secondary); border-radius: var(--border-radius); font-size: 0.85rem; font-weight: 500; border: 1px solid rgba(108, 92, 231, 0.3); }
.projects { background: rgba(15, 23, 42, 0.3); }
.projects-grid { display: flex; flex-direction: column; gap: var(--space-2xl); }
.project-card { background: var(--bg-card); backdrop-filter: blur(10px); border-radius: var(--border-radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); overflow: hidden; transition: var(--transition); position: relative; }
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: var(--primary); }
.project-card.featured { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.project-card.featured::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.project-number { position: absolute; top: var(--space-md); right: var(--space-md); font-family: var(--font-display); font-size: 4rem; font-weight: 800; color: rgba(0, 212, 255, 0.1); line-height: 1; z-index: 0; }
.project-thumbnail { height: 200px; background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(108, 92, 231, 0.05)); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.thumbnail-placeholder svg { width: 60%; height: 60%; color: var(--primary); opacity: 0.3; }
.project-content { padding: var(--space-xl); position: relative; z-index: 1; }
.project-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--space-md); }
.project-header h3 { font-family: var(--font-display); font-size: 1.8rem; color: var(--text-primary); flex: 1; }
.project-type { padding: 0.4rem 1rem; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: var(--text-primary); border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.project-description { color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-lg); }
.project-highlights { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: var(--space-lg); }
.highlight { display: flex; align-items: center; gap: 0.8rem; color: var(--text-secondary); font-size: 0.9rem; }
.highlight-icon { font-size: 1.2rem; }
.project-metrics { display: flex; gap: var(--space-xl); margin-bottom: var(--space-lg); }
.metric { display: flex; flex-direction: column; }
.metric-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.metric-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.3rem; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-lg); }
.tech-badge { padding: 0.5rem 1rem; background: rgba(0, 212, 255, 0.1); color: var(--primary); border-radius: var(--border-radius); font-size: 0.85rem; font-weight: 600; border: 1px solid rgba(0, 212, 255, 0.3); }
.project-links { display: flex; gap: var(--space-md); }
.project-link { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.5rem; background: var(--bg-darker); color: var(--primary); text-decoration: none; border-radius: var(--border-radius); border: 1px solid rgba(0, 212, 255, 0.3); font-weight: 600; transition: var(--transition); }
.project-link:hover { background: var(--primary); color: var(--bg-darker); transform: translateY(-2px); }
.more-projects { margin-top: var(--space-2xl); }
.more-projects-title { font-family: var(--font-display); font-size: 2rem; color: var(--text-primary); margin-bottom: var(--space-lg); text-align: center; }
.compact-projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-lg); }
.compact-project { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-lg); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); transition: var(--transition); }
.compact-project:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.compact-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-md); }
.folder-icon { font-size: 2rem; }
.external-link { color: var(--text-secondary); transition: var(--transition); }
.external-link:hover { color: var(--primary); }
.compact-project h4 { color: var(--text-primary); margin-bottom: var(--space-sm); font-size: 1.1rem; }
.compact-project p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-bottom: var(--space-md); }
.compact-tech { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.compact-tech span { padding: 0.3rem 0.8rem; background: rgba(108, 92, 231, 0.1); color: var(--secondary); border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); margin-bottom: var(--space-3xl); }
.achievement-card { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-xl); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); text-align: center; transition: var(--transition); }
.achievement-card:hover { transform: translateY(-8px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.achievement-icon { font-size: 3rem; margin-bottom: var(--space-md); }
.achievement-card h3 { font-family: var(--font-display); font-size: 2.5rem; color: var(--primary); margin-bottom: var(--space-sm); }
.achievement-card p { color: var(--text-secondary); line-height: 1.6; }
.certifications { margin-top: var(--space-3xl); }
.certs-title { font-family: var(--font-display); font-size: 2rem; color: var(--text-primary); margin-bottom: var(--space-xl); text-align: center; }
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-lg); }
.cert-card { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-lg); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); display: flex; gap: var(--space-md); transition: var(--transition); }
.cert-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.cert-logo { font-size: 2.5rem; flex-shrink: 0; }
.cert-content { flex: 1; }
.cert-content h4 { color: var(--text-primary); margin-bottom: 0.3rem; font-size: 1.1rem; }
.cert-issuer { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; }
.cert-badge { display: inline-block; padding: 0.3rem 0.8rem; background: rgba(0, 184, 148, 0.1); color: var(--success); border-radius: 50px; font-size: 0.75rem; font-weight: 600; border: 1px solid rgba(0, 184, 148, 0.3); }
.contact { background: rgba(15, 23, 42, 0.3); }
.contact-content { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-3xl); }
.contact-text h3 { font-family: var(--font-display); font-size: 2rem; color: var(--text-primary); margin-bottom: var(--space-md); }
.contact-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-lg); }
.availability-status { display: flex; align-items: center; gap: 0.8rem; padding: var(--space-md); background: rgba(0, 184, 148, 0.1); border-radius: var(--border-radius); border: 1px solid rgba(0, 184, 148, 0.3); color: var(--success); font-weight: 600; margin-bottom: var(--space-xl); }
.status-indicator { width: 12px; height: 12px; background: var(--success); border-radius: 50%; animation: pulse 2s infinite; }
.contact-methods { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-method { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-lg); background: var(--bg-card); backdrop-filter: blur(10px); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); text-decoration: none; transition: var(--transition); }
.contact-method:hover { transform: translateX(8px); border-color: var(--primary); box-shadow: var(--shadow-md); }
.method-icon { width: 50px; height: 50px; background: rgba(0, 212, 255, 0.1); border-radius: var(--border-radius); display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.method-content { display: flex; flex-direction: column; }
.method-label { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.2rem; }
.method-value { font-weight: 600; color: var(--text-primary); }
.contact-form-wrapper { background: var(--bg-card); backdrop-filter: blur(10px); padding: var(--space-xl); border-radius: var(--border-radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: var(--shadow-lg); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; }
.form-group label { color: var(--text-primary); font-weight: 600; margin-bottom: 0.5rem; font-size: 0.9rem; }
.form-group input, .form-group textarea { padding: 1rem; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--border-radius); color: var(--text-primary); font-size: 1rem; font-family: var(--font-body); transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1); }
.form-group textarea { resize: vertical; }
.btn-block { width: 100%; justify-content: center; margin-top: var(--space-sm); }
.footer { background: var(--bg-darker); padding: var(--space-3xl) 0 var(--space-lg); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-content { display: grid; grid-template-columns: 1.5fr 1.5fr; gap: var(--space-3xl); margin-bottom: var(--space-2xl); }
.footer-logo { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; margin-bottom: var(--space-md); }
.footer-tagline { color: var(--text-secondary); line-height: 1.8; font-style: italic; margin-bottom: var(--space-md); }
.tagline-author { display: block; color: var(--primary); font-size: 0.9rem; margin-top: 0.5rem; }
.footer-social { display: flex; gap: var(--space-md); }
.social-link { width: 45px; height: 45px; background: var(--bg-card); backdrop-filter: blur(10px); border-radius: var(--border-radius); border: 1px solid rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: var(--transition); }
.social-link:hover { background: var(--primary); color: var(--bg-darker); transform: translateY(-5px); box-shadow: var(--shadow-md); }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.footer-column h4 { color: var(--text-primary); margin-bottom: var(--space-md); font-size: 1.1rem; }
.footer-column a { display: block; color: var(--text-secondary); text-decoration: none; margin-bottom: var(--space-sm); transition: var(--transition); }
.footer-column a:hover { color: var(--primary); transform: translateX(5px); }
.footer-bottom { text-align: center; padding-top: var(--space-lg); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-bottom p { color: var(--text-secondary); margin-bottom: 0.5rem; }
.footer-tech { color: var(--text-muted); font-size: 0.85rem; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.reveal { opacity: 0; transform: translateY(50px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; }
    .hero-visual { height: 400px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .about-content { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-menu { position: fixed; left: -100%; top: 70px; flex-direction: column; background: rgba(10, 14, 39, 0.98); backdrop-filter: blur(20px); width: 100%; text-align: center; transition: var(--transition); box-shadow: var(--shadow-lg); padding: var(--space-lg) 0; gap: var(--space-md); }
    .nav-menu.active { left: 0; }
    .hamburger { display: flex; }
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1.3rem; }
    .hero-buttons { flex-direction: column; }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .section-title { font-size: 2rem; }
    .expertise-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 2.5rem; }
    .stat-card { padding: var(--space-md); }
    .stat-value { font-size: 1.5rem; }
    .skills-tabs { gap: 0.5rem; }
    .tab-btn { padding: 0.6rem 1rem; font-size: 0.85rem; }
}

.image-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.profile-photo {
    width: 170px;          /* Larger DP */
    height: 170px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.4); /* soft glow */
}