:root {
    --bg-color: #0b111e;
    --card-bg: rgba(22, 32, 50, 0.6);
    --card-border: rgba(100, 200, 255, 0.15);
    --card-border-hover: rgba(100, 200, 255, 0.4);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    
    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-blue: #3b82f6;
    --accent-emerald: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---------------- BACKGROUND EFFECTS ---------------- */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, rgba(11, 17, 30, 1) 0%, rgba(5, 8, 15, 1) 100%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
    animation: float 25s infinite ease-in-out alternate;
}

.orb-1 { width: 500px; height: 500px; background: var(--accent-blue); top: -100px; left: -100px; }
.orb-2 { width: 450px; height: 450px; background: var(--accent-emerald); bottom: -100px; right: -50px; animation-delay: -5s; }
.orb-3 { width: 350px; height: 350px; background: var(--accent-danger); top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: -10s; }
.orb-4 { width: 400px; height: 400px; background: var(--accent-purple); top: 20%; right: 10%; animation-delay: -15s; }

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 60px) scale(1.15); }
}

/* ---------------- HEADER ---------------- */
.glass-header {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, rgba(11, 17, 30, 0.95), transparent);
    position: relative;
    z-index: 10;
}

.glass-header h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.glass-header .subtitle {
    font-size: 1.2rem;
    color: var(--accent-cyan);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ---------------- SECTION TITLES ---------------- */
.section-divider {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 600;
    color: #fff;
    margin: 4rem auto 2rem;
    padding: 0 2rem;
    max-width: 1400px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.section-divider::before, .section-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--card-border), transparent);
}

.section-divider span {
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------------- BENTO GRID ---------------- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(280px, auto);
    gap: 1.5rem;
    padding: 0 2rem 2rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Cards Base */
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 10% 10%, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.bento-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-border-hover);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Spanning Classes */
.hero-card { grid-column: span 4; flex-direction: row; align-items: center; padding: 0; }
.hero-card .card-content { padding: 3rem; flex: 1; }
.hero-card .card-visual { flex: 1; height: 100%; min-height: 400px; position: relative;}
.hero-card .card-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-card.right-image { flex-direction: row; }

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.row-2 { grid-row: span 2; }

/* ---------------- TYPOGRAPHY & BADGES ---------------- */
.bento-card h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 1rem 0;
    color: #fff;
    line-height: 1.2;
}

.bento-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.bento-card ul {
    list-style-type: none;
}

.bento-card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

.bento-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

.badge {
    align-self: flex-start;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge.danger { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); border-color: rgba(239, 68, 68, 0.3); }
.badge.success { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); border-color: rgba(16, 185, 129, 0.3); }
.badge.warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); border-color: rgba(245, 158, 11, 0.3); }
.badge.info { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); border-color: rgba(59, 130, 246, 0.3); }
.badge.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); border-color: rgba(139, 92, 246, 0.3); }
.badge.pink { background: rgba(236, 72, 153, 0.15); color: var(--accent-pink); border-color: rgba(236, 72, 153, 0.3); }

/* ---------------- TABS SYSTEM ---------------- */
.tabs-container {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1rem;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.tab-btn.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border-hover);
}

.tab-btn.active[data-color="cyan"] { background: rgba(6, 182, 212, 0.15); border-color: rgba(6, 182, 212, 0.4); }
.tab-btn.active[data-color="emerald"] { background: rgba(16, 185, 129, 0.15); border-color: rgba(16, 185, 129, 0.4); }
.tab-btn.active[data-color="purple"] { background: rgba(139, 92, 246, 0.15); border-color: rgba(139, 92, 246, 0.4); }
.tab-btn.active[data-color="warning"] { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.4); }
.tab-btn.active[data-color="danger"] { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.4); }

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
    flex-grow: 1;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* ---------------- SCROLLABLE BOXES ---------------- */
.scroll-box {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 10px;
}

.scroll-box::-webkit-scrollbar {
    width: 6px;
}
.scroll-box::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.02);
    border-radius: 10px;
}
.scroll-box::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 10px;
}
.scroll-box::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.3);
}

/* Grids inside cards */
.inner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.inner-card {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.inner-card h4 {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.glass-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--card-border);
    background: rgba(11, 17, 30, 0.8);
    margin-top: 2rem;
}

a, a:link, a:visited, a:hover, a:active, a:focus {
    color: var(--accent-cyan) !important;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .span-4 { grid-column: span 3; }
    .hero-card { grid-column: span 3; }
}

@media (max-width: 900px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .span-2, .span-3, .span-4, .hero-card { grid-column: span 2; }
    .hero-card { flex-direction: column; }
    .hero-card .card-visual { min-height: 300px; width: 100%; }
}

@media (max-width: 600px) {
    .bento-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    .span-2, .span-3, .span-4, .hero-card { grid-column: span 1; }
    .row-2 { grid-row: span 1; }
    .glass-header h1 { font-size: 2.5rem; }
    .section-divider { font-size: 1.5rem; }
}

/* Scroll to Top Button */
#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    background: rgba(11, 17, 30, 0.8);
    border: 1px solid var(--card-border);
    color: var(--accent-cyan);
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

#scrollTopBtn.show { opacity: 1; visibility: visible; transform: translateY(0); }
#scrollTopBtn:hover {
    background: rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
    color: #fff;
    transform: translateY(-3px);
}