/* ==========================================
   CSS VARIABLES & RESET (same as before but with new additions)
   ========================================== */
:root {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --secondary: #14b8a6;
    --accent: #8b5cf6;
    --bg-primary: #0b1120;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: rgba(51, 65, 85, 0.5);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bottom-nav-height: 75px;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.8);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border: rgba(203, 213, 225, 0.8);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
    padding-bottom: calc(var(--bottom-nav-height) + 30px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ... (keep all previous styles unchanged up to .contact-item) ... */
/* I'll include all styles for completeness, but I'll focus on new additions */

/* ==========================================
   TYPOGRAPHY & UTILITIES (unchanged)
   ========================================== */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.highlight { color: var(--primary); font-weight: 600; }

/* ==========================================
   BACKGROUND EFFECTS (unchanged)
   ========================================== */
.bg-gradient {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(ellipse at 20% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(20, 184, 166, 0.05) 0%, transparent 70%);
    z-index: -2; pointer-events: none;
}
.bg-grid {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px; opacity: 0.15; z-index: -1; pointer-events: none;
}

/* ==========================================
   SCROLL PROGRESS (unchanged)
   ========================================== */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); z-index: 1001; width: 0%; transition: width 0.1s; }

/* ==========================================
   NAVIGATION (unchanged)
   ========================================== */
.navbar { position: fixed; top: 0; left: 0; right: 0; background: rgba(11, 17, 32, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); z-index: 1000; padding: 1rem 0; transition: var(--transition); }
[data-theme="light"] .navbar { background: rgba(255, 255, 255, 0.85); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-size: 1.5rem; font-weight: 800; text-decoration: none; color: var(--text-primary); display: flex; align-items: center; gap: 4px; }
.logo-tag { font-size: 0.8rem; color: var(--primary); font-weight: 500; font-family: 'JetBrains Mono', monospace; }
.nav-controls { display: flex; align-items: center; gap: 1rem; }
.theme-toggle, .nav-icon { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-secondary); color: var(--text-primary); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); text-decoration: none; }
.theme-toggle:hover, .nav-icon:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }
.btn-resume { padding: 8px 20px; font-size: 0.9rem; font-weight: 600; }

/* ==========================================
   BUTTONS (unchanged)
   ========================================== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 600; text-decoration: none; transition: var(--transition); border: none; cursor: pointer; font-size: 0.95rem; font-family: inherit; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(6, 182, 212, 0.4); }
.btn-secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.btn-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; width: 100%; justify-content: center; padding: 14px; font-size: 1rem; box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3); position: relative; overflow: hidden; }
.btn-gradient::after { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent); transition: left 0.5s; }
.btn-gradient:hover::after { left: 100%; }
.btn-small { padding: 6px 14px; font-size: 0.8rem; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: 1rem; }

/* ==========================================
   HERO SECTION (unchanged)
   ========================================== */
.hero { padding: 160px 0 100px; min-height: 100vh; display: flex; align-items: center; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; font-size: 0.85rem; color: var(--primary); margin-bottom: 1.5rem; font-weight: 600; backdrop-filter: blur(10px); }
.badge-dot { width: 8px; height: 8px; background: var(--secondary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-title { font-size: 3.5rem; margin-bottom: 1rem; line-height: 1.1; }
.typing-container { min-height: 60px; margin-bottom: 1.5rem; }
.hero-subtitle { font-size: 1.5rem; color: var(--text-secondary); font-weight: 400; }
.cursor { display: inline-block; width: 2px; height: 1.2em; background: var(--primary); margin-left: 4px; animation: blink 1s infinite; vertical-align: text-bottom; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-description { color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.8; font-size: 1.05rem; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Code Window */
.hero-visual { position: relative; }
.code-window { background: rgba(15, 23, 42, 0.8); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; backdrop-filter: blur(10px); box-shadow: var(--shadow-lg); }
.window-header { background: rgba(30, 41, 59, 0.8); padding: 12px 16px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--border); }
.window-dots { display: flex; gap: 6px; }
.window-dots span { width: 12px; height: 12px; border-radius: 50%; background: #ef4444; }
.window-dots span:nth-child(2) { background: #f59e0b; }
.window-dots span:nth-child(3) { background: #10b981; }
.window-title { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--text-secondary); }
.window-content { padding: 20px; font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; line-height: 1.6; overflow-x: auto; }
.code-keyword { color: #c084fc; } .code-class { color: #67e8f9; } .code-func { color: #fbbf24; } .code-string { color: #86efac; } .code-number { color: #fca5a5; }
.floating-badges { position: absolute; top: -20px; right: -20px; display: flex; flex-direction: column; gap: 10px; }
.float-badge { padding: 8px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; font-size: 0.85rem; backdrop-filter: blur(10px); animation: float 3s ease-in-out infinite; }
.float-badge:nth-child(2) { animation-delay: 0.5s; }
.float-badge:nth-child(3) { animation-delay: 1s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ==========================================
   SECTION TITLES (unchanged)
   ========================================== */
.section-title { font-size: 2.5rem; margin-bottom: 3rem; text-align: center; display: flex; align-items: center; justify-content: center; gap: 1rem; }
.title-line { height: 2px; width: 60px; background: linear-gradient(90deg, var(--primary), transparent); border-radius: 2px; }
.title-line:last-child { background: linear-gradient(90deg, transparent, var(--primary)); }

/* ==========================================
   GLASS CARD (unchanged)
   ========================================== */
.glass-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: var(--transition); }
.glass-card:hover { border-color: var(--primary); box-shadow: 0 8px 30px rgba(6, 182, 212, 0.15); transform: translateY(-4px); }

/* ==========================================
   ABOUT SECTION (unchanged)
   ========================================== */
.about { padding: 100px 0; }
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; margin-bottom: 3rem; }
.about-text p { margin-bottom: 1.5rem; color: var(--text-secondary); line-height: 1.8; }
.about-stats { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.5rem; text-align: center; transition: var(--transition); }
.stat-card:hover { border-color: var(--primary); transform: scale(1.02); }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 0.5rem; font-family: 'JetBrains Mono', monospace; }
.stat-label { color: var(--text-secondary); font-size: 0.9rem; }
.contact-preview { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; padding: 1rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); text-decoration: none; transition: var(--transition); }
.contact-item:hover { border-color: var(--primary); transform: translateX(5px); }
.contact-item i { color: var(--primary); font-size: 1.25rem; }

/* ==========================================
   CLIENTS STRIP (NEW)
   ========================================== */
.clients { padding: 60px 0; background: var(--bg-secondary); }
.clients-title { text-align: center; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 2px; font-size: 0.9rem; margin-bottom: 2rem; }
.clients-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 2.5rem; }
.client-logo { font-weight: 700; font-size: 1.25rem; color: var(--text-secondary); opacity: 0.8; filter: grayscale(1); transition: var(--transition); cursor: default; }
.client-logo:hover { opacity: 1; filter: grayscale(0); color: var(--primary); }

/* ==========================================
   EXPERIENCE (unchanged)
   ========================================== */
.experience { padding: 100px 0; background: var(--bg-secondary); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 60px; margin-bottom: 2rem; }
.timeline-dot { position: absolute; left: 11px; top: 2rem; width: 20px; height: 20px; background: var(--bg-primary); border: 3px solid var(--primary); border-radius: 50%; z-index: 1; }
.experience-header { margin-bottom: 1rem; }
.experience-header h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.company { color: var(--primary); font-weight: 600; display: block; margin-bottom: 0.5rem; }
.duration { display: inline-block; padding: 4px 12px; background: var(--bg-secondary); border-radius: 6px; font-size: 0.8rem; color: var(--text-secondary); }
.experience-list { list-style: none; }
.experience-list li { padding-left: 1.5rem; position: relative; margin-bottom: 0.75rem; color: var(--text-secondary); line-height: 1.6; }
.experience-list li::before { content: '▹'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }

/* ==========================================
   SKILLS (unchanged)
   ========================================== */
.skills { padding: 100px 0; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.skill-category { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.skill-category.visible { opacity: 1; transform: translateY(0); }
.skill-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.skill-icon-wrapper { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; color: white; flex-shrink: 0; box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }
.skill-category h3 { font-size: 1.25rem; color: var(--text-primary); font-weight: 700; }
.skill-bars-container { display: flex; flex-direction: column; gap: 1.25rem; }
.skill-bar-item { opacity: 0; transform: translateX(-20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.skill-bar-item.visible { opacity: 1; transform: translateX(0); }
.skill-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.skill-name { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.skill-percent { font-size: 0.85rem; font-weight: 700; color: var(--primary); font-family: 'JetBrains Mono', monospace; }
.skill-progress { height: 10px; background: var(--bg-secondary); border-radius: 10px; overflow: hidden; position: relative; box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2); }
.skill-fill { height: 100%; width: 0; background: var(--color); border-radius: 10px; position: relative; transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 2px 8px color-mix(in srgb, var(--color) 40%, transparent); }
.skill-fill.animated { width: var(--fill); }
.skill-shimmer { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent); transform: translateX(-100%); animation: shimmer 2s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skill-tags-advanced { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.skill-tag-item { position: relative; padding: 0.75rem 1rem; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-sm); display: flex; align-items: center; gap: 0.75rem; cursor: default; transition: var(--transition); overflow: hidden; opacity: 0; transform: scale(0.9); animation: tagAppear 0.5s ease forwards; animation-delay: var(--delay); }
@keyframes tagAppear { to { opacity: 1; transform: scale(1); } }
.skill-tag-item:hover { border-color: var(--primary); transform: translateY(-2px) scale(1.02); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15); }
.skill-tag-item i { font-size: 1.1rem; color: var(--primary); transition: var(--transition); }
.skill-tag-item:hover i { transform: scale(1.2); }
.skill-tag-item span { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.tag-glow { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent 70%); opacity: 0; transition: opacity 0.3s ease; pointer-events: none; }
.skill-tag-item:hover .tag-glow { opacity: 1; }

/* ==========================================
   PROJECTS (unchanged, but added case-study links)
   ========================================== */
.projects { padding: 100px 0; background: var(--bg-secondary); }
.project-filters { display: flex; justify-content: center; gap: 0.75rem; margin-bottom: 3rem; flex-wrap: wrap; }
.filter-btn { padding: 10px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; color: var(--text-secondary); cursor: pointer; transition: var(--transition); font-weight: 500; font-family: inherit; }
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; }
.project-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.project-image { position: relative; height: 200px; overflow: hidden; }
.project-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 3rem; color: white; }
.gradient-1 { background: linear-gradient(135deg, #06b6d4, #8b5cf6); }
.gradient-2 { background: linear-gradient(135deg, #14b8a6, #f59e0b); }
.gradient-3 { background: linear-gradient(135deg, #ec4899, #8b5cf6); }
.gradient-4 { background: linear-gradient(135deg, #10b981, #06b6d4); }
.project-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(11, 17, 32, 0.9); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); backdrop-filter: blur(5px); }
.project-card:hover .project-overlay { opacity: 1; }
.overlay-content { text-align: center; padding: 2rem; transform: translateY(20px); transition: var(--transition); }
.project-card:hover .overlay-content { transform: translateY(0); }
.overlay-content h3 { margin-bottom: 0.5rem; color: white; }
.overlay-content p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.project-tech { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; }
.project-tech span { padding: 4px 10px; background: rgba(255, 255, 255, 0.1); border-radius: 12px; font-size: 0.75rem; color: white; }
.project-content { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.project-content h3 { margin-bottom: 0.75rem; font-size: 1.2rem; }
.project-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tag { padding: 4px 10px; background: var(--bg-secondary); border-radius: 6px; font-size: 0.75rem; color: var(--primary); }
.case-study-link { align-self: flex-start; margin-top: auto; }

/* ==========================================
   TESTIMONIALS (NEW)
   ========================================== */
.testimonials { padding: 100px 0; }
.testimonials-carousel { max-width: 800px; margin: 0 auto; position: relative; overflow: hidden; }
.testimonial-track { display: flex; transition: transform 0.5s ease; }
.testimonial-card { flex: 0 0 100%; padding: 2rem; text-align: center; border: 1px solid var(--border); }
.testimonial-text { font-size: 1.1rem; color: var(--text-secondary); font-style: italic; margin-bottom: 1.5rem; }
.testimonial-author { color: var(--primary); font-weight: 600; }
.carousel-controls { display: flex; justify-content: center; gap: 1rem; margin-top: 2rem; }
.carousel-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-card); color: var(--text-primary); cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.carousel-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ==========================================
   GITHUB ACTIVITY (NEW)
   ========================================== */
.github { padding: 100px 0; background: var(--bg-secondary); }
.github-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.repo-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.5rem; transition: var(--transition); }
.repo-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.repo-card h4 { margin-bottom: 0.5rem; }
.repo-card h4 a { color: var(--primary); text-decoration: none; }
.repo-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.75rem; }
.repo-stats { display: flex; gap: 1rem; font-size: 0.8rem; color: var(--text-secondary); }
.github-link { text-align: center; }

/* ==========================================
   EDUCATION (unchanged)
   ========================================== */
.education { padding: 100px 0; }
.education-card { display: flex; gap: 2rem; align-items: center; max-width: 700px; margin: 0 auto; }
.edu-icon { width: 80px; height: 80px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: white; flex-shrink: 0; }
.edu-content h3 { margin-bottom: 0.5rem; }
.edu-stream { color: var(--primary); font-weight: 600; margin-bottom: 0.25rem; }
.edu-date { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.edu-gpa { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.gpa-value { font-weight: 700; color: var(--primary); font-size: 1.1rem; }
.gpa-badge { padding: 4px 10px; background: rgba(6, 182, 212, 0.1); border: 1px solid var(--primary); border-radius: 12px; font-size: 0.75rem; color: var(--primary); }

/* ==========================================
   CONTACT (unchanged, plus calendly link)
   ========================================== */
.contact { padding: 100px 0; background: var(--bg-secondary); }
.contact-wrapper { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.contact-form-wrapper h3, .contact-info-wrapper h3 { margin-bottom: 0.5rem; }
.contact-form-wrapper > p, .contact-info-wrapper > p { color: var(--text-secondary); margin-bottom: 2rem; font-size: 0.95rem; }
.contact-form .form-group { margin-bottom: 1.25rem; }
.contact-form label { display: block; margin-bottom: 0.5rem; font-weight: 600; font-size: 0.9rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 16px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font-family: inherit; font-size: 0.95rem; transition: var(--transition); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1); }
.contact-details { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-detail-item { display: flex; align-items: center; gap: 1rem; color: var(--text-primary); text-decoration: none; padding: 1rem; background: var(--bg-secondary); border-radius: var(--radius-sm); transition: var(--transition); }
.contact-detail-item:hover { border-color: var(--primary); transform: translateX(5px); }
.contact-icon { width: 40px; height: 40px; background: rgba(6, 182, 212, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); }
.contact-detail-item strong { display: block; font-size: 0.9rem; margin-bottom: 0.15rem; }
.contact-detail-item span { color: var(--text-secondary); font-size: 0.85rem; }
.availability-badge { display: flex; align-items: center; gap: 0.75rem; padding: 1rem; background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); border-radius: var(--radius-sm); color: #10b981; font-size: 0.9rem; font-weight: 500; margin-bottom: 1rem; }
.status-dot { width: 8px; height: 8px; background: #10b981; border-radius: 50%; animation: pulse 2s infinite; }
.calendly-link { margin-top: 0; }

/* ==========================================
   FOOTER (unchanged)
   ========================================== */
.footer { padding: 2rem 0; border-top: 1px solid var(--border); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-content p { color: var(--text-secondary); font-size: 0.9rem; }
.footer-content i { color: #ef4444; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ==========================================
   BOTTOM NAVIGATION (unchanged)
   ========================================== */
.bottom-nav { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 1000; }
.bottom-nav-container { display: flex; align-items: center; gap: 1rem; padding: 10px 20px; background: rgba(11, 17, 32, 0.9); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border); border-radius: 30px; box-shadow: var(--shadow-lg); }
[data-theme="light"] .bottom-nav-container { background: rgba(255, 255, 255, 0.9); }
.bottom-nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 12px; text-decoration: none; color: var(--text-secondary); transition: var(--transition); border-radius: 12px; }
.nav-icon-wrapper { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.nav-icon-wrapper i { font-size: 1.1rem; transition: var(--transition); }
.nav-label { font-size: 0.7rem; font-weight: 500; opacity: 0; transition: var(--transition); }
.bottom-nav-item:hover { color: var(--primary); }
.bottom-nav-item:hover .nav-icon-wrapper { background: rgba(6, 182, 212, 0.1); }
.bottom-nav-item.active { color: var(--primary); }
.bottom-nav-item.active .nav-icon-wrapper { background: var(--primary); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4); }
.bottom-nav-item.active .nav-icon-wrapper i { color: white; }
.bottom-nav-item.active .nav-label { opacity: 1; }
.bottom-nav-item:active .nav-icon-wrapper { transform: scale(0.9); }

/* ==========================================
   CHATBOT WIDGET (NEW)
   ========================================== */
.chatbot-widget { position: fixed; bottom: 100px; right: 25px; z-index: 999; }
.chatbot-toggle { width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); border: none; color: white; font-size: 1.8rem; cursor: pointer; box-shadow: 0 8px 20px rgba(6, 182, 212, 0.4); transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.chatbot-toggle:hover { transform: scale(1.1); }
.chatbot-window { position: absolute; bottom: 80px; right: 0; width: 350px; height: 450px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); display: none; flex-direction: column; overflow: hidden; box-shadow: var(--shadow-lg); }
.chatbot-window.open { display: flex; }
.chatbot-header { background: linear-gradient(135deg, var(--primary), var(--accent)); padding: 1rem; color: white; display: flex; justify-content: space-between; align-items: center; }
.chatbot-close { background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
.chatbot-messages { flex: 1; padding: 1rem; overflow-y: auto; display: flex; flex-direction: column; gap: 0.5rem; }
.message { padding: 0.5rem 1rem; border-radius: 12px; max-width: 80%; word-wrap: break-word; font-size: 0.9rem; }
.message.bot { background: var(--bg-card); align-self: flex-start; color: var(--text-primary); }
.message.user { background: var(--primary); align-self: flex-end; color: white; }
.chatbot-input-area { display: flex; padding: 0.75rem; border-top: 1px solid var(--border); }
.chatbot-input-area input { flex: 1; padding: 0.5rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); }
.chatbot-input-area button { margin-left: 0.5rem; width: 40px; background: var(--primary); border: none; border-radius: 6px; color: white; cursor: pointer; }

/* ==========================================
   REVEAL ANIMATION (unchanged)
   ========================================== */
.section-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.section-reveal.visible { opacity: 1; transform: translateY(0); }

/* ==========================================
   RESPONSIVE (adjusted)
   ========================================== */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .hero-buttons { justify-content: center; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    :root { --bottom-nav-height: 70px; }
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .btn-resume { display: none; }
    .education-card { flex-direction: column; text-align: center; }
    .footer-content { flex-direction: column; text-align: center; }
    .bottom-nav { bottom: 15px; width: 95%; }
    .bottom-nav-container { padding: 8px 15px; gap: 0.5rem; }
    .nav-label { display: none; }
    .skill-tags-advanced { grid-template-columns: repeat(2, 1fr); }
    .chatbot-window { width: 300px; height: 400px; right: -10px; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .section-title { font-size: 1.75rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .bottom-nav { width: 92%; }
    .skill-tags-advanced { grid-template-columns: 1fr; }
    .chatbot-window { width: 260px; }
}
/* ... (previous styles remain unchanged until end) ... */

/* ==========================================
   CASE STUDY MODAL (NEW)
   ========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary);
}

.case-study-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.case-study-content .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.case-study-content .meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.case-study-section {
    margin-bottom: 2rem;
}

.case-study-section h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.case-study-section p, 
.case-study-section ul {
    color: var(--text-secondary);
    line-height: 1.8;
}

.case-study-section ul {
    list-style: none;
    padding-left: 1.5rem;
}

.case-study-section ul li::before {
    content: "▹";
    color: var(--primary);
    position: absolute;
    left: 0;
}

.case-study-section ul li {
    position: relative;
    margin-bottom: 0.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tech-tag {
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--primary);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.metric-item {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}