/* ============================================
   FRANK MWITA - PORTFOLIO CSS
   Dark Mode + Blue Theme + Glow Effects
   ============================================ */

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --primary-glow: rgba(14, 165, 233, 0.5);
    --primary-glow-strong: rgba(14, 165, 233, 0.8);
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.5);
    --bg-darkest: #030712;
    --bg-darker: #0a0f1e;
    --bg-dark: #0f172a;
    --bg-card: #111827;
    --bg-card-hover: #1e293b;
    --bg-nav: rgba(10, 15, 30, 0.85);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(14, 165, 233, 0.15);
    --border-glow: rgba(14, 165, 233, 0.4);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-accent: 'Rajdhani', sans-serif;
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(14, 165, 233, 0.5);
    --shadow-glow-intense: 0 0 60px rgba(14, 165, 233, 0.6), 0 0 120px rgba(14, 165, 233, 0.2);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-body);
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--primary); color: var(--bg-darkest); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darkest); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
a { color: var(--primary); text-decoration: none; transition: var(--transition-normal); }
a:hover { color: var(--primary-light); }

/* Preloader */
#preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-darkest); z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.loaded { opacity: 0; visibility: hidden; }
.loader { position: relative; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center; }
.loader-inner {
    position: absolute; width: 100%; height: 100%;
    border: 3px solid transparent; border-top-color: var(--primary);
    border-radius: 50%; animation: spin 1s linear infinite;
}
.loader-inner::before {
    content: ''; position: absolute; width: 80%; height: 80%;
    border: 3px solid transparent; border-top-color: var(--accent);
    border-radius: 50%; top: 10%; left: 10%; animation: spin 0.8s linear infinite reverse;
}
.loader-text { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 900; color: var(--primary); animation: pulse 1.5s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* Particles & Cursor */
#particles-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.cursor-glow {
    position: fixed; width: 300px; height: 300px; border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    pointer-events: none; z-index: 1; transform: translate(-50%, -50%);
    opacity: 0.15; transition: opacity 0.3s ease; will-change: transform;
}
.grid-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px; pointer-events: none;
}

/* Navbar */
.navbar { padding: 1rem 0; background: transparent; transition: all 0.4s ease; z-index: 1000; backdrop-filter: blur(0px); }
.navbar.scrolled {
    background: var(--bg-nav); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color); padding: 0.6rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.navbar-brand { display: flex; align-items: center; gap: 0.5rem; text-decoration: none !important; }
.brand-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px; font-family: var(--font-heading); font-weight: 900;
    font-size: 1.1rem; color: var(--bg-darkest);
    box-shadow: var(--shadow-glow); transition: var(--transition-normal);
}
.brand-icon:hover { box-shadow: var(--shadow-glow-strong); transform: scale(1.05); }
.brand-text { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--text-primary); }
.text-accent { color: var(--primary); }
.navbar-toggler { border: 1px solid var(--border-color); padding: 6px 10px; display: flex; flex-direction: column; gap: 4px; background: transparent; }
.navbar-toggler:focus { box-shadow: var(--shadow-glow); border-color: var(--primary); }
.toggler-bar { width: 22px; height: 2px; background: var(--primary); transition: var(--transition-normal); border-radius: 2px; }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) { opacity: 0; }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }
.nav-link {
    color: var(--text-secondary) !important; font-family: var(--font-accent); font-weight: 500;
    font-size: 0.95rem; letter-spacing: 0.5px; text-transform: uppercase;
    padding: 0.5rem 1rem !important; position: relative; transition: var(--transition-normal);
}
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 50%; width: 0;
    height: 2px; background: var(--primary); transition: var(--transition-normal);
    transform: translateX(-50%); box-shadow: 0 0 8px var(--primary-glow);
}
.nav-link:hover, .nav-link.active { color: var(--primary) !important; }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

/* Hero Section */
.hero-section { position: relative; min-height: 100vh; overflow: hidden; }
.hero-bg-effects { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; }
.glow-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4; }
.glow-orb-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; right: -100px; animation: floatOrb 8s ease-in-out infinite; }
.glow-orb-2 { width: 300px; height: 300px; background: var(--accent); bottom: -50px; left: -50px; animation: floatOrb 10s ease-in-out infinite reverse; }
.glow-orb-3 { width: 200px; height: 200px; background: #8b5cf6; top: 50%; left: 50%; animation: floatOrb 12s ease-in-out infinite; }
@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}
.hero-content { position: relative; z-index: 2; padding-top: 80px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1.2rem; background: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--border-color); border-radius: 50px;
    font-family: var(--font-accent); font-size: 0.85rem; color: var(--primary-light);
    margin-bottom: 1.5rem; animation: fadeInUp 0.8s ease forwards;
}
.badge-dot { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
.hero-title { margin-bottom: 1rem; animation: fadeInUp 0.8s ease 0.2s forwards; opacity: 0; }
.greeting { display: block; font-family: var(--font-accent); font-size: 1.2rem; font-weight: 400; color: var(--text-secondary); letter-spacing: 2px; text-transform: uppercase; }
.name { display: block; font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900; line-height: 1.1; color: var(--text-primary); }
.text-glow { color: var(--primary); text-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow); position: relative; }
.hero-subtitle { font-family: var(--font-accent); font-size: 1.4rem; font-weight: 500; margin-bottom: 1.5rem; min-height: 2.2rem; animation: fadeInUp 0.8s ease 0.4s forwards; opacity: 0; }
.static-text { color: var(--text-secondary); }
.dynamic-text { color: var(--primary); font-weight: 600; }
.cursor-blink { color: var(--primary); animation: blink 1s step-end infinite; font-weight: 300; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-description { font-size: 1.05rem; color: var(--text-secondary); max-width: 520px; margin-bottom: 2rem; animation: fadeInUp 0.8s ease 0.6s forwards; opacity: 0; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; animation: fadeInUp 0.8s ease 0.8s forwards; opacity: 0; }

/* Buttons */
.btn-glow-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg-darkest); font-family: var(--font-accent); font-weight: 600;
    font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px;
    border: none; border-radius: 50px; cursor: pointer;
    position: relative; overflow: hidden; transition: var(--transition-normal);
    box-shadow: 0 0 20px var(--primary-glow); text-decoration: none;
}
.btn-glow-primary::before {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.btn-glow-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow-strong); color: var(--bg-darkest); }
.btn-glow-primary:hover::before { left: 100%; }
.btn-glow-outline {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.8rem 2rem; background: transparent;
    color: var(--primary); font-family: var(--font-accent); font-weight: 600;
    font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px;
    border: 2px solid var(--primary); border-radius: 50px; cursor: pointer;
    position: relative; overflow: hidden; transition: var(--transition-normal); text-decoration: none;
}
.btn-glow-outline::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 0; height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transition: width 0.4s ease; z-index: -1;
}
.btn-glow-outline:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); color: var(--bg-darkest); }
.btn-glow-outline:hover::before { width: 100%; }

/* Hero Socials */
.hero-socials { display: flex; gap: 1rem; animation: fadeInUp 0.8s ease 1s forwards; opacity: 0; }
.social-link {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border: 1px solid var(--border-color);
    border-radius: 50%; color: var(--text-secondary); font-size: 1rem;
    transition: var(--transition-normal); position: relative;
}
.social-link::after {
    content: attr(data-tooltip); position: absolute;
    bottom: calc(100% + 8px); left: 50%;
    transform: translateX(-50%) translateY(5px);
    padding: 4px 10px; background: var(--bg-card);
    color: var(--primary); font-size: 0.7rem; font-family: var(--font-accent);
    text-transform: uppercase; letter-spacing: 1px; border-radius: 4px;
    white-space: nowrap; opacity: 0; pointer-events: none;
    transition: var(--transition-normal); border: 1px solid var(--border-color);
}
.social-link:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }
.social-link:hover { color: var(--primary); border-color: var(--primary); box-shadow: 0 0 15px var(--primary-glow); transform: translateY(-3px); }

/* Hero Image */
.hero-image-wrapper { position: relative; display: flex; flex-direction: column; align-items: center; animation: fadeInUp 1s ease 0.5s forwards; opacity: 0; }
.hero-image-container { position: relative; width: 320px; height: 320px; display: flex; align-items: center; justify-content: center; }
.image-glitch { position: relative; z-index: 2; }
.hero-avatar {
    width: 250px; height: 250px; border-radius: 20px; overflow: hidden;
    border: 2px solid var(--border-glow);
    box-shadow: 0 0 30px var(--primary-glow), 0 0 60px rgba(14, 165, 233, 0.2);
    transition: var(--transition-slow);
}
.hero-avatar:hover { border-color: var(--primary); box-shadow: var(--shadow-glow-intense); transform: scale(1.02); }
.avatar-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-card));
    display: flex; align-items: center; justify-content: center;
    font-size: 4rem; color: var(--primary); opacity: 0.5;
}
.orbit-ring {
    position: absolute; border: 1px solid var(--border-color);
    border-radius: 50%; animation: spin 20s linear infinite;
}
.orbit-ring-1 { width: 310px; height: 310px; top: 5px; left: 5px; }
.orbit-ring-2 { width: 350px; height: 350px; top: -15px; left: -15px; animation-direction: reverse; animation-duration: 25s; border-style: dashed; }
.floating-icons { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.float-icon {
    position: absolute; width: 40px; height: 40px; border-radius: 10px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 0.9rem; box-shadow: var(--shadow-glow);
    animation: floatIcon 6s ease-in-out infinite;
}
.float-icon-1 { top: 10%; right: 5%; animation-delay: 0s; }
.float-icon-2 { top: 50%; right: -5%; animation-delay: 1s; }
.float-icon-3 { bottom: 10%; right: 10%; animation-delay: 2s; }
.float-icon-4 { bottom: 20%; left: 0%; animation-delay: 3s; }
.float-icon-5 { top: 20%; left: -5%; animation-delay: 4s; }
@keyframes floatIcon { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Hero Stats */
.hero-stats { display: flex; gap: 2rem; margin-top: 2rem; animation: fadeInUp 1s ease 0.8s forwards; opacity: 0; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-heading); font-size: 2rem; font-weight: 900; color: var(--primary); }
.stat-plus { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 900; color: var(--primary); }
.stat-label { display: block; font-family: var(--font-accent); font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    z-index: 2; animation: fadeInUp 1s ease 1.2s forwards; opacity: 0;
}
.mouse {
    width: 24px; height: 38px; border: 2px solid var(--border-glow);
    border-radius: 12px; display: flex; justify-content: center; padding-top: 6px;
}
.wheel { width: 3px; height: 8px; background: var(--primary); border-radius: 3px; animation: scrollWheel 2s ease infinite; }
@keyframes scrollWheel { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(10px); opacity: 0; } }
.scroll-indicator span { font-family: var(--font-accent); font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; }

/* Section Common */
.section-padding { padding: 100px 0; position: relative; z-index: 2; }
.bg-darker { background: var(--bg-darker); }
.section-header { margin-bottom: 3.5rem; }
.section-tag {
    display: inline-block; padding: 0.3rem 1rem;
    background: rgba(14, 165, 233, 0.1); border: 1px solid var(--border-color);
    border-radius: 50px; font-family: var(--font-accent); font-size: 0.85rem;
    color: var(--primary); text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 0.8rem;
}
.section-title { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 900; color: var(--text-primary); }
.section-line { width: 60px; height: 3px; margin: 1rem auto 0; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 2px; box-shadow: 0 0 10px var(--primary-glow); }

/* About Section */
.about-image-container { position: relative; display: inline-block; }
.about-image {
    width: 100%; max-width: 400px; aspect-ratio: 1;
    border-radius: 20px; overflow: hidden; position: relative;
    border: 2px solid var(--border-glow); box-shadow: var(--shadow-glow);
}
.about-avatar-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-card));
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: var(--primary); opacity: 0.4;
}
.about-image-border {
    position: absolute; top: 15px; left: 15px; right: -15px; bottom: -15px;
    border: 2px solid var(--primary); border-radius: 20px; opacity: 0.3;
    z-index: -1; transition: var(--transition-slow);
}
.about-image-container:hover .about-image-border { opacity: 0.6; transform: translate(5px, 5px); }
.experience-badge {
    position: absolute; bottom: -20px; right: -20px;
    width: 120px; height: 120px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    box-shadow: var(--shadow-glow-strong); animation: floatIcon 4s ease-in-out infinite;
}
.exp-number { font-family: var(--font-heading); font-size: 2rem; font-weight: 900; color: var(--bg-darkest); line-height: 1; }
.exp-text { font-family: var(--font-accent); font-size: 0.7rem; color: var(--bg-darkest); text-align: center; text-transform: uppercase; letter-spacing: 1px; line-height: 1.2; }
.about-subtitle { font-family: var(--font-heading); font-size: 1.5rem; color: var(--primary); margin-bottom: 1rem; }
.about-text { color: var(--text-secondary); margin-bottom: 1rem; font-size: 1rem; }
.about-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.info-item { display: flex; align-items: center; gap: 0.8rem; }
.info-item i { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: rgba(14, 165, 233, 0.1); color: var(--primary); font-size: 0.85rem; border: 1px solid var(--border-color); }
.info-label { display: block; font-family: var(--font-accent); font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.info-value { display: block; font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }

/* Services */
.service-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 2rem; position: relative;
    overflow: hidden; transition: all 0.4s ease; height: 100%;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-10px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.service-card:hover::before { transform: scaleX(1); }
.service-glow {
    position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0; transition: opacity 0.5s ease; pointer-events: none;
}
.service-card:hover .service-glow { opacity: 0.05; }
.service-icon {
    width: 60px; height: 60px; border-radius: 14px;
    background: rgba(14, 165, 233, 0.1); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--primary); margin-bottom: 1.2rem;
    transition: var(--transition-normal);
}
.service-card:hover .service-icon { background: var(--primary); color: var(--bg-darkest); box-shadow: var(--shadow-glow); transform: scale(1.05); }
.service-title { font-family: var(--font-heading); font-size: 1.1rem; color: var(--text-primary); margin-bottom: 0.8rem; }
.service-text { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.service-features { list-style: none; padding: 0; margin: 0 0 0.5rem 0; }
.service-features li { color: var(--text-secondary); font-size: 0.85rem; padding: 0.25rem 0; display: flex; align-items: center; gap: 0.5rem; }
.service-features li i { color: var(--primary); font-size: 0.7rem; }
.service-number {
    position: absolute; top: 1.5rem; right: 1.5rem;
    font-family: var(--font-heading); font-size: 3rem; font-weight: 900;
    color: rgba(14, 165, 233, 0.05); line-height: 1; transition: var(--transition-normal);
}
.service-card:hover .service-number { color: rgba(14, 165, 233, 0.1); }

/* Portfolio */
.portfolio-filter { margin-bottom: 2rem; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.filter-btn {
    padding: 0.5rem 1.2rem; background: transparent;
    border: 1px solid var(--border-color); border-radius: 50px;
    color: var(--text-secondary); font-family: var(--font-accent);
    font-weight: 500; font-size: 0.9rem; text-transform: uppercase;
    letter-spacing: 1px; cursor: pointer; transition: var(--transition-normal);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--primary); color: var(--bg-darkest);
    border-color: var(--primary); box-shadow: 0 0 15px var(--primary-glow);
}
.portfolio-card { border-radius: 16px; overflow: hidden; position: relative; }
.portfolio-image { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.portfolio-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-card));
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: var(--primary); opacity: 0.3; transition: var(--transition-slow);
}
.portfolio-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.9), rgba(6, 182, 212, 0.9));
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition-normal); transform: scale(0.9);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; transform: scale(1); }
.portfolio-card:hover .portfolio-placeholder { transform: scale(1.1); opacity: 0.5; }
.portfolio-info { text-align: center; padding: 1.5rem; }
.portfolio-category { font-family: var(--font-accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--bg-darkest); opacity: 0.8; }
.portfolio-title { font-family: var(--font-heading); font-size: 1.3rem; color: var(--bg-darkest); margin: 0.5rem 0; }
.portfolio-info p { color: rgba(3, 7, 18, 0.7); font-size: 0.9rem; margin-bottom: 1rem; }
.portfolio-link {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--bg-darkest); color: var(--primary);
    font-size: 1rem; transition: var(--transition-normal);
}
.portfolio-link:hover { background: var(--primary); color: var(--bg-darkest); transform: scale(1.1); box-shadow: 0 0 15px rgba(3, 7, 18, 0.3); }
.portfolio-item.hidden { display: none !important; }

/* Skills */
.skills-subtitle {
    font-family: var(--font-heading); font-size: 1.3rem;
    color: var(--text-primary); margin-bottom: 1.5rem;
    padding-bottom: 0.5rem; border-bottom: 2px solid var(--border-color);
}
.skill-bars { display: flex; flex-direction: column; gap: 1.2rem; }
.skill-info { display: flex; justify-content: space-between; margin-bottom: 0.4rem; font-family: var(--font-accent); font-size: 0.9rem; color: var(--text-secondary); }
.skill-bar { height: 8px; background: rgba(14, 165, 233, 0.1); border-radius: 4px; overflow: hidden; }
.skill-progress {
    height: 100%; width: 0; border-radius: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    box-shadow: 0 0 10px var(--primary-glow); transition: width 1.5s ease;
}
.tools-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.tool-item {
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    padding: 1rem 1.5rem; background: var(--bg-card);
    border: 1px solid var(--border-color); border-radius: 12px;
    transition: var(--transition-normal); cursor: default;
}
.tool-item i { font-size: 1.8rem; color: var(--primary); transition: var(--transition-normal); }
.tool-item span { font-family: var(--font-accent); font-size: 0.8rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.tool-item:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.tool-item:hover i { color: var(--primary-light); transform: scale(1.15); }

/* Testimonials */
.testimonial-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 2rem; position: relative;
    overflow: hidden; transition: var(--transition-normal); height: 100%;
}
.testimonial-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.testimonial-card:hover { transform: translateY(-8px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.testimonial-card:hover::before { transform: scaleX(1); }
.testimonial-glow {
    position: absolute; top: -30%; right: -30%;
    width: 200px; height: 200px; border-radius: 50%;
    background: var(--primary); filter: blur(60px); opacity: 0;
    transition: var(--transition-slow); pointer-events: none;
}
.testimonial-card:hover .testimonial-glow { opacity: 0.06; }
.testimonial-quote { margin-bottom: 1rem; }
.testimonial-quote i { font-size: 1.5rem; color: var(--primary); opacity: 0.5; }
.testimonial-text { color: var(--text-secondary); font-size: 0.95rem; font-style: italic; margin-bottom: 1.5rem; line-height: 1.8; }
.testimonial-author { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.author-avatar {
    width: 50px; height: 50px; border-radius: 50%;
    background: rgba(14, 165, 233, 0.1); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 1rem;
}
.author-info h5 { font-family: var(--font-accent); font-size: 1rem; color: var(--text-primary); margin: 0; }
.author-info span { font-size: 0.8rem; color: var(--text-muted); }
.testimonial-rating i { color: #f59e0b; font-size: 0.8rem; }

/* Contact */
.contact-subtitle { font-family: var(--font-heading); font-size: 1.5rem; color: var(--text-primary); margin-bottom: 1rem; }
.contact-text { color: var(--text-secondary); margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; }
.contact-icon {
    width: 50px; height: 50px; border-radius: 12px;
    background: rgba(14, 165, 233, 0.1); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 1.1rem; flex-shrink: 0;
    transition: var(--transition-normal);
}
.contact-item:hover .contact-icon { background: var(--primary); color: var(--bg-darkest); box-shadow: var(--shadow-glow); }
.contact-label { display: block; font-family: var(--font-accent); font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.contact-item-info a, .contact-item-info span { color: var(--text-primary); font-weight: 500; font-size: 0.95rem; }
.contact-item-info a:hover { color: var(--primary); }
.contact-socials { display: flex; gap: 0.8rem; }
.contact-social-link {
    width: 42px; height: 42px; border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: var(--transition-normal);
}
.contact-social-link:hover { color: var(--primary); border-color: var(--primary); box-shadow: 0 0 15px var(--primary-glow); transform: translateY(-3px); }

/* Contact Form */
.contact-form .form-group { position: relative; margin-bottom: 0; }
.contact-form .form-control {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 0.9rem 1.2rem; color: var(--text-primary);
    font-family: var(--font-body); font-size: 0.95rem;
    transition: var(--transition-normal); width: 100%;
}
.contact-form .form-control:focus {
    background: var(--bg-card-hover); border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow); outline: none;
}
.contact-form .form-control::placeholder { color: var(--text-muted); }
.contact-form select.form-control {
    -webkit-appearance: none; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 1rem center;
}
.contact-form select.form-control option { background: var(--bg-card); color: var(--text-primary); }
.contact-form textarea.form-control { resize: vertical; min-height: 130px; }

/* Footer */
.footer {
    padding: 3rem 0 0; position: relative; z-index: 2;
    background: var(--bg-darkest); border-top: 1px solid var(--border-color);
}
.footer-glow {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 400px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    box-shadow: 0 0 20px var(--primary-glow);
}
.footer-brand { display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none !important; margin-bottom: 1rem; }
.footer-text { color: var(--text-muted); font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); font-family: var(--font-accent); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-links a:hover { color: var(--primary); }
.footer-socials { display: flex; gap: 0.8rem; justify-content: flex-end; flex-wrap: wrap; }
.footer-socials a {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: var(--transition-normal);
}
.footer-socials a:hover { color: var(--primary); border-color: var(--primary); box-shadow: 0 0 10px var(--primary-glow); transform: translateY(-3px); }
.footer-bottom { text-align: center; padding: 1.5rem 0; margin-top: 2rem; border-top: 1px solid var(--border-color); }
.footer-bottom p { font-family: var(--font-accent); font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* Back to Top */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 46px; height: 46px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg-darkest); display: flex; align-items: center; justify-content: center;
    font-size: 1rem; z-index: 999; opacity: 0; visibility: hidden;
    transform: translateY(20px); transition: all 0.3s ease;
    box-shadow: var(--shadow-glow); text-decoration: none;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-5px); box-shadow: var(--shadow-glow-strong); color: var(--bg-darkest); }

/* Animations */
@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); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
[data-aos] { transition-property: opacity, transform !important; }

/* ========== RESPONSIVE ========== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--bg-nav); backdrop-filter: blur(20px);
        border: 1px solid var(--border-color); border-radius: 12px;
        padding: 1rem; margin-top: 0.5rem;
    }
    .hero-content { padding-top: 40px; text-align: center; }
    .hero-description { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-socials { justify-content: center; }
    .hero-image-wrapper { margin-top: 2rem; }
    .hero-stats { justify-content: center; }
    .about-info-grid { grid-template-columns: 1fr; }
    .about-image { max-width: 300px; margin: 0 auto; display: block; }
    .experience-badge { right: 10%; }
}
@media (max-width: 767.98px) {
    .section-padding { padding: 60px 0; }
    .name { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-image-container { width: 250px; height: 250px; }
    .hero-avatar { width: 200px; height: 200px; }
    .orbit-ring-1 { width: 240px; height: 240px; }
    .orbit-ring-2 { width: 270px; height: 270px; }
    .hero-stats { gap: 1rem; }
    .stat-number { font-size: 1.5rem; }
    .scroll-indicator { display: none; }
    .experience-badge { width: 100px; height: 100px; bottom: -10px; right: 0; }
    .exp-number { font-size: 1.5rem; }
    .portfolio-filter { gap: 0.3rem; }
    .filter-btn { padding: 0.4rem 0.8rem; font-size: 0.75rem; }
    .tools-grid { gap: 1rem; }
    .tool-item { padding: 0.7rem 1rem; }
    .tool-item i { font-size: 1.4rem; }
    .footer-links { gap: 1rem; }
    .footer-socials { justify-content: center; margin-top: 1rem; }
}
@media (max-width: 575.98px) {
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn-glow-primary, .btn-glow-outline { width: 100%; justify-content: center; }
    .hero-image-container { width: 200px; height: 200px; }
    .hero-avatar { width: 160px; height: 160px; }
    .orbit-ring-1 { width: 190px; height: 190px; }
    .orbit-ring-2 { width: 220px; height: 220px; }
    .floating-icons { display: none; }
    .contact-info, .contact-form { text-align: center; }
    .contact-socials { justify-content: center; }
}