:root {
    --bg-dark: #0a0a0e;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-card: rgba(255, 255, 255, 0.08);
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --accent: #60a5fa;
    --accent-glow: rgba(96, 165, 250, 0.5);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: radial-gradient(circle at center, #11111a 0%, var(--bg-dark) 100%);
}

.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(56,189,248,0.3) 0%, rgba(0,0,0,0) 70%);
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(129,140,248,0.2) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 10%) scale(1.1); }
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition);
    background: rgba(10, 10, 14, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-card);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-accent {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    font-family: var(--font-heading);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-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: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px 0 rgba(96, 165, 250, 0.3);
    border-color: rgba(96, 165, 250, 0.5);
}

.btn-primary:hover::before {
    left: 100%;
    transition: 0.5s;
}

/* Entities Section */
.entities-section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.entities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Entity Cards */
.entity-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.entity-content {
    position: relative;
    z-index: 2;
}

.entity-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.entity-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.entity-industry {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.entity-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(96, 165, 250, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

/* Hover Effects */
.entity-card:hover {
    transform: translateY(-5px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 20px rgba(96, 165, 250, 0.1);
}

.entity-card:hover .entity-overlay {
    opacity: 1;
}

.entity-card:hover .entity-icon {
    transform: scale(1.1);
    background: rgba(96, 165, 250, 0.1);
    border-color: rgba(96, 165, 250, 0.3);
    color: #fff;
}

/* Specific Card Theming */
.group-tech:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.15), transparent 70%); }
.group-tech:hover .entity-icon { color: #38bdf8; border-color: #38bdf8; }

.group-fin:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(52, 211, 153, 0.15), transparent 70%); }
.group-fin:hover .entity-icon { color: #34d399; border-color: #34d399; }

.group-health:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(244, 114, 182, 0.15), transparent 70%); }
.group-health:hover .entity-icon { color: #f472b6; border-color: #f472b6; }

.group-logistics:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(251, 191, 36, 0.15), transparent 70%); }
.group-logistics:hover .entity-icon { color: #fbbf24; border-color: #fbbf24; }

.group-realestate:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(167, 139, 250, 0.15), transparent 70%); }
.group-realestate:hover .entity-icon { color: #a78bfa; border-color: #a78bfa; }

.group-energy:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(163, 230, 53, 0.15), transparent 70%); }
.group-energy:hover .entity-icon { color: #a3e635; border-color: #a3e635; }

.group-media:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(251, 146, 60, 0.15), transparent 70%); }
.group-media:hover .entity-icon { color: #fb923c; border-color: #fb923c; }

.group-aero:hover .entity-overlay { background: radial-gradient(circle at top right, rgba(148, 163, 184, 0.15), transparent 70%); }
.group-aero:hover .entity-icon { color: #94a3b8; border-color: #94a3b8; }

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-card);
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}