/* ==========================================================================
   ANISHA SELOTE PORTFOLIO - CSS DESIGN SYSTEM
   ========================================================================== */

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);

    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-teal: #14b8a6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);

    --border-color: rgba(255, 255, 255, 0.1);
    --border-highlight: rgba(99, 102, 241, 0.4);

    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --glow-shadow: 0 0 25px rgba(99, 102, 241, 0.25);

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s ease;

    /* Showcase Card Vars (Dark Mode) */
    --showcase-bg: linear-gradient(145deg, rgba(17, 24, 39, 0.95) 0%, rgba(11, 15, 25, 0.98) 100%);
    --showcase-text: #f9fafb;
    --showcase-sub: #9ca3af;
    --showcase-block-bg: rgba(255, 255, 255, 0.05);
    --showcase-border: rgba(99, 102, 241, 0.3);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: #ffffff;
    --bg-glass-hover: #f1f5f9;

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --border-color: #e2e8f0;
    --border-highlight: #818cf8;

    --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
    --glow-shadow: 0 0 25px rgba(99, 102, 241, 0.12);

    /* Showcase Card Vars (Light Mode Overrides) */
    --showcase-bg: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --showcase-text: #0f172a;
    --showcase-sub: #475569;
    --showcase-block-bg: #f1f5f9;
    --showcase-border: #e2e8f0;
}

/* Comprehensive Light Theme Component Rules */
[data-theme="light"] .glow-sphere { opacity: 0.12; }
[data-theme="light"] .grid-overlay { opacity: 0.15; background-image: radial-gradient(#cbd5e1 1px, transparent 1px); }

[data-theme="light"] .navbar { background: rgba(248, 250, 252, 0.85); backdrop-filter: blur(16px); }
[data-theme="light"] .navbar.scrolled { background: rgba(255, 255, 255, 0.95); border-bottom: 1px solid #e2e8f0; box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05); }
[data-theme="light"] .nav-link { color: #475569; font-weight: 600; }
[data-theme="light"] .nav-link:hover, [data-theme="light"] .nav-link.active { color: #0f172a; }
[data-theme="light"] .theme-toggle, [data-theme="light"] .mobile-toggle { background: #ffffff; border-color: #cbd5e1; color: #0f172a; box-shadow: 0 2px 6px rgba(0,0,0,0.04); }

[data-theme="light"] .btn-secondary { background: #ffffff; border-color: #cbd5e1; color: #0f172a; box-shadow: 0 2px 5px rgba(0,0,0,0.04); }
[data-theme="light"] .btn-secondary:hover { background: #f8fafc; border-color: #6366f1; }
[data-theme="light"] .btn-outline { background: #ffffff; border-color: #8b5cf6; color: #0f172a; box-shadow: 0 2px 5px rgba(0,0,0,0.04); }
[data-theme="light"] .btn-outline:hover { background: rgba(139, 92, 246, 0.08); border-color: #6366f1; }

[data-theme="light"] .tab-btn, [data-theme="light"] .filter-btn { background: #ffffff; border: 1px solid #e2e8f0; color: #475569; box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
[data-theme="light"] .tab-btn:hover, [data-theme="light"] .filter-btn:hover { background: #f1f5f9; color: #0f172a; border-color: #cbd5e1; }

[data-theme="light"] .glass-card, 
[data-theme="light"] .skill-card, 
[data-theme="light"] .soft-card, 
[data-theme="light"] .about-card, 
[data-theme="light"] .project-card, 
[data-theme="light"] .edu-card, 
[data-theme="light"] .info-box, 
[data-theme="light"] .contact-form-col { 
    background: #ffffff; 
    border: 1px solid #e2e8f0; 
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.02); 
}

[data-theme="light"] .glass-card:hover, 
[data-theme="light"] .soft-card:hover, 
[data-theme="light"] .about-card:hover, 
[data-theme="light"] .project-card:hover { 
    border-color: #818cf8; 
    box-shadow: 0 20px 35px -10px rgba(99, 102, 241, 0.15), 0 8px 15px -5px rgba(0,0,0,0.04); 
}

[data-theme="light"] .chip { background: #ffffff; border-color: #e2e8f0; color: #0f172a; box-shadow: 0 2px 5px rgba(0,0,0,0.03); }
[data-theme="light"] .floating-pill { background: #ffffff; border-color: #6366f1; color: #0f172a; box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08); }
[data-theme="light"] .hero-badge { background: rgba(99, 102, 241, 0.08); border-color: rgba(99, 102, 241, 0.25); color: #4f46e5; }

[data-theme="light"] .block-item { background: #f8fafc; border: 1px solid #e2e8f0; }
[data-theme="light"] .block-item:hover { background: #ffffff; border-color: #818cf8; }
[data-theme="light"] .block-icon { background: rgba(99, 102, 241, 0.1); color: #4f46e5; }

[data-theme="light"] .timeline-marker { background: #ffffff; border-color: #4f46e5; box-shadow: 0 0 10px rgba(79, 70, 229, 0.3); }
[data-theme="light"] .time-badge { background: #f1f5f9; border-color: #e2e8f0; color: #334155; }
[data-theme="light"] .experience-list li { color: #334155; }

[data-theme="light"] .form-group input, [data-theme="light"] .form-group textarea { background: #ffffff; border: 1px solid #cbd5e1; color: #0f172a; }
[data-theme="light"] .form-group input:focus, [data-theme="light"] .form-group textarea:focus { background: #ffffff; border-color: #6366f1; box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); }
[data-theme="light"] .form-group label { color: #0f172a; }

[data-theme="light"] .footer { background: #ffffff; border-top: 1px solid #e2e8f0; }
[data-theme="light"] .footer-brand p, [data-theme="light"] .footer-links a, [data-theme="light"] .footer-contact p { color: #475569; }
[data-theme="light"] .footer-links a:hover { color: #4f46e5; }
[data-theme="light"] .footer-bottom { border-top: 1px solid #e2e8f0; color: #64748b; }
[data-theme="light"] .back-to-top { background: #f1f5f9; border-color: #cbd5e1; color: #0f172a; }

[data-theme="light"] .modal-container { background: #ffffff; border: 1px solid #e2e8f0; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15); }
[data-theme="light"] .modal-close { background: #f1f5f9; border-color: #cbd5e1; color: #0f172a; }
[data-theme="light"] .toast { background: #ffffff; border-color: #0d9488; color: #0f172a; box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1); }
[data-theme="light"] .nav-links { background: #ffffff; border-bottom: 1px solid #e2e8f0; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; transition: background-color var(--transition-normal), color var(--transition-normal); }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }
.gradient-text { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--text-primary); }

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover { border-color: var(--border-highlight); box-shadow: var(--card-shadow), var(--glow-shadow); }

.section { padding: 5.5rem 0; position: relative; }
.section-header.center { text-align: center; margin-bottom: 3.5rem; }
.section-subtitle { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--accent-indigo); display: block; margin-bottom: 0.5rem; }
.section-title { font-size: 2.5rem; letter-spacing: -0.02em; }
.title-bar { width: 60px; height: 4px; background: var(--accent-gradient); border-radius: var(--radius-full); margin: 0.85rem auto 0 auto; }
.section-intro { max-width: 640px; margin: 1rem auto 0 auto; color: var(--text-secondary); font-size: 1.05rem; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
    padding: 0.85rem 1.75rem; font-weight: 600; border-radius: var(--radius-full);
    border: 1px solid transparent; cursor: pointer; transition: all var(--transition-fast);
}

.btn-primary { background: var(--accent-gradient); color: #ffffff !important; box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6); }

.btn-secondary { background: var(--bg-glass); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background: var(--bg-glass-hover); border-color: var(--accent-indigo); transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--accent-purple); }
.btn-outline:hover { background: rgba(139, 92, 246, 0.12); border-color: var(--accent-indigo); transform: translateY(-2px); }

.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn-block { width: 100%; }

.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 1.25rem 0; transition: padding var(--transition-normal), background-color var(--transition-normal), backdrop-filter var(--transition-normal); }
.navbar.scrolled { padding: 0.85rem 0; background: rgba(11, 15, 25, 0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color); }
[data-theme="light"] .navbar.scrolled { background: rgba(255, 255, 255, 0.95); }

.nav-container { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.brand-logo { display: flex; align-items: center; gap: 0.65rem; font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700; }
.logo-badge { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-gradient); color: #ffffff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4); }
.logo-text .highlight { color: var(--accent-indigo); }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link { font-size: 0.95rem; font-weight: 500; color: var(--text-secondary); position: relative; padding: 0.25rem 0; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0%; height: 2px; background: var(--accent-gradient); transition: width var(--transition-fast); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }
.theme-toggle { width: 42px; height: 42px; border-radius: 50%; background: var(--bg-glass); border: 1px solid var(--border-color); color: var(--text-primary); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: all var(--transition-fast); }
.theme-toggle:hover { background: var(--bg-glass-hover); border-color: var(--accent-indigo); }

[data-theme="dark"] .icon-light { display: inline-block; }
[data-theme="dark"] .icon-dark { display: none; }
[data-theme="light"] .icon-light { display: none; }
[data-theme="light"] .icon-dark { display: inline-block; }
.theme-toggle .icon-dark,
.theme-toggle .icon-light {
    pointer-events: none;
}

.mobile-toggle { display: none; width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--bg-glass); border: 1px solid var(--border-color); color: var(--text-primary); cursor: pointer; align-items: center; justify-content: center; font-size: 1.25rem; }
.mobile-toggle .icon-close { display: none; }
.mobile-toggle.active .icon-bars { display: none; }
.mobile-toggle.active .icon-close { display: inline-block; }

.hero-section { min-height: 100vh; padding-top: 8.5rem; padding-bottom: 4.5rem; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.glow-sphere { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.35; }
.sphere-1 { top: -10%; right: 10%; width: 500px; height: 500px; background: radial-gradient(circle, #6366f1 0%, #8b5cf6 100%); }
.sphere-2 { bottom: 5%; left: -5%; width: 400px; height: 400px; background: radial-gradient(circle, #06b6d4 0%, #14b8a6 100%); }
.grid-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: radial-gradient(var(--border-color) 1px, transparent 1px); background-size: 32px 32px; opacity: 0.4; }

.hero-container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3.5rem; align-items: center; }
.hero-content { display: flex; flex-direction: column; }

.hero-badge { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 1rem; background: rgba(99, 102, 241, 0.12); border: 1px solid rgba(99, 102, 241, 0.3); border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; color: var(--accent-indigo); width: fit-content; margin-bottom: 1.5rem; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background-color: var(--accent-teal); box-shadow: 0 0 10px var(--accent-teal); animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.7); } 70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(20, 184, 166, 0); } 100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); } }

.hero-title { font-size: 3.25rem; letter-spacing: -0.03em; margin-bottom: 1.25rem; }
.hero-description { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2rem; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; padding-top: 2rem; border-top: 1px solid var(--border-color); }
.stat-card { display: flex; flex-direction: column; }
.stat-number { font-family: var(--font-heading); font-size: 2.25rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-badge { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--accent-cyan); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; margin-top: 0.4rem; }

/* HERO RIGHT SHOWCASE CARD */
.hero-showcase-card {
    padding: 2rem;
    position: relative;
    background: var(--showcase-bg);
    border: 1px solid var(--showcase-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow), var(--glow-shadow);
    color: var(--showcase-text);
    transition: all var(--transition-normal);
}

.showcase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.showcase-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-teal);
    background: rgba(20, 184, 166, 0.12);
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(20, 184, 166, 0.25);
}

.showcase-profile {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.profile-avatar-glow {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--accent-gradient);
    padding: 3px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    flex-shrink: 0;
}

.profile-avatar-inner {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--text-primary);
}

.profile-meta h3 { font-size: 1.4rem; margin-bottom: 0.2rem; color: var(--showcase-text); }
.profile-meta p { font-size: 0.875rem; color: var(--accent-indigo); font-weight: 600; }

.showcase-blocks { display: flex; flex-direction: column; gap: 0.85rem; margin-bottom: 1.5rem; }

.block-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    background: var(--showcase-block-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.block-item:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-highlight);
    transform: translateX(4px);
}

.block-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.block-info h5 { font-size: 0.95rem; margin-bottom: 0.15rem; color: var(--showcase-text); }
.block-info p { font-size: 0.775rem; color: var(--showcase-sub); }

.floating-pill {
    position: absolute;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-indigo);
    border-radius: var(--radius-full);
    font-size: 0.775rem;
    font-weight: 700;
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pill-1 { top: -15px; right: -15px; animation: floatPill 3s infinite ease-in-out; }
.pill-2 { bottom: -15px; left: -15px; animation: floatPill 3.5s infinite ease-in-out reverse; }

@keyframes floatPill {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* PROJECT IMAGE BANNERS WITH REAL PROJECT SCREENSHOTS */
.project-image-banner {
    width: 100%;
    height: 220px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.project-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.project-card:hover .project-thumb {
    transform: scale(1.08);
}

.banner-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 28px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    gap: 6px;
    z-index: 2;
}

.banner-url {
    margin-left: auto;
    font-size: 0.7rem;
    font-family: monospace;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 8px;
    border-radius: 4px;
}

.banner-chip {
    position: absolute;
    bottom: 0.65rem;
    right: 0.75rem;
    padding: 0.25rem 0.65rem;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}