:root {
    --bg-color: #050508;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-1: #6366f1; /* Indigo */
    --accent-2: #8b5cf6; /* Violet */
    --accent-3: #ec4899; /* Pink */
    --accent-finbi: #10b981; /* Green */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

/* Background Abstract Shapes */
.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    filter: blur(120px);
    opacity: 0.5;
    border-radius: 50%;
    animation: drift 20s infinite alternate linear;
}

.shape-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: var(--accent-1); }
.shape-2 { bottom: 10%; right: -10%; width: 600px; height: 600px; background: var(--accent-3); animation-delay: -5s; }
.shape-3 { top: 40%; left: 40%; width: 400px; height: 400px; background: var(--accent-2); animation-delay: -10s; }

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, -50px) scale(1.1); }
}

/* Glassmorphism Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
    text-decoration: none;
}

.logo i {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links > a.nav-text-link, .nav-links .dropdown > a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links > a.nav-text-link:hover, .nav-links .dropdown > a:hover {
    color: var(--accent-2);
}

/* Dropdown Menu CSS */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown .dropbtn {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: -10px;
    min-width: 220px;
    background: rgba(15, 15, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    z-index: 200;
    padding: 8px 0;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -15px; left: 0; right: 0; height: 15px;
}
.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(10px);
}
.dropdown-content a {
    color: var(--text-main);
    padding: 12px 24px;
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
}
.dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent-finbi);
}

/* Buttons */
.btn-primary, .btn-primary-outline, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s ease;
    cursor: pointer;
}
.nav-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white !important;
    border: none;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(99, 102, 241, 0.5);
}

.btn-primary-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-primary-outline:hover {
    background: var(--glass-bg);
    border-color: var(--accent-1);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main) !important;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(to right, #a855f7, #ec4899, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    padding-top: 100px;
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    backdrop-filter: blur(10px);
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 20px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* FINBI Massive Highlight Section */
.finbi-massive-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding: 60px;
    border-radius: 36px;
    background: linear-gradient(145deg, rgba(20, 20, 25, 0.9), rgba(16, 185, 129, 0.08));
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.05);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.gradient-finbi-text {
    background: linear-gradient(to right, #10b981, #047857);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.finbi-content {
    flex: 1.2;
    z-index: 2;
}

.finbi-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    z-index: 2;
}

.abstract-dash {
    width: 100%;
    max-width: 450px;
    height: 320px;
    background: rgba(10, 10, 15, 0.9);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}
.dash-header { height: 24px; background: rgba(255,255,255,0.05); border-bottom: 1px solid var(--glass-border); }
.dash-body { display: flex; flex: 1; }
.dash-sidebar { width: 60px; background: rgba(255,255,255,0.03); border-right: 1px solid var(--glass-border); }
.dash-main { flex: 1; padding: 20px; display: flex; flex-wrap: wrap; gap: 15px; align-content: flex-start; }
.dash-widget { background: rgba(255,255,255,0.06); border-radius: 8px; height: 60px; }
.w-full { width: 100%; height: 90px; }
.w-half { width: calc(50% - 7.5px); }

/* Sections */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 15px;
}

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

/* Grid Layout */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Glass Cards */
.glass-card {
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 10px;
}

.gradient-survey { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.gradient-games { background: linear-gradient(135deg, #f59e0b, #d97706); }
.gradient-api { background: linear-gradient(135deg, #6366f1, #4338ca); }

.glass-card h3 {
    font-size: 1.4rem;
}

.glass-card p {
    color: var(--text-muted);
    flex-grow: 1;
}

.card-links {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.card-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    background: var(--glass-bg);
    border-radius: 8px;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-links a:hover {
    background: rgba(255,255,255,0.1);
}

.single-link {
    width: 100%;
    justify-content: space-between;
}

/* Ecosystem Map */
.dark-section {
    position: relative;
    padding-top: 40px;
}

.glass-panel {
    background: rgba(20, 20, 25, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 60px 40px;
}

.text-center { text-align: center; }

.ecosystem-map {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.eco-node {
    padding: 15px 30px;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.2rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.root-node {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 1.5rem;
    z-index: 2;
}

.eco-branches {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    position: relative;
    max-width: 800px;
}

.leaf-node {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.leaf-node span {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.leaf-node strong {
    color: var(--accent-finbi);
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 40px 20px;
    margin-top: 50px;
    text-align: center;
    background: rgba(0,0,0,0.3);
}

.footer-content .logo {
    justify-content: center;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

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

/* Responsive */
@media (max-width: 900px) {
    .hero h1 { font-size: 3.5rem; }
    .nav-links { display: none; }
    .hero-actions { flex-direction: column; }
    .eco-branches { flex-direction: column; }
    .finbi-massive-card { flex-direction: column; padding: 40px 20px; text-align: center; }
    .finbi-visual { width: 100%; justify-content: center; margin-top: 20px; }
    .card-links { justify-content: center; }
}