/* Modern CSS Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables */
:root {
    --primary-color: #4a6cf7;
    --secondary-color: #6c757d;
    --accent-color: #ff6b6b;
    --background: #0a0a0a;
    --text-color: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-color);
}

p {
    color: var(--text-color);
    opacity: 0.9;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-color);
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(45deg, rgba(74, 108, 247, 0.1), rgba(255, 107, 107, 0.1));
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Loading Animation */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    mix-blend-mode: difference;
    z-index: 9999;
    transition: transform 0.2s ease;
}

.cursor.active {
    transform: scale(1.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer p {
    text-align: center;
    color: var(--text-color);
    opacity: 0.6;
    margin: 0;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-section {
        min-width: 100%;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Business Model section */
.bm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.bm-grid .feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    padding: 2rem 1.5rem;
    border-radius: 1.25rem;
    text-align: center;
    transition: transform 0.35s var(--transition), box-shadow 0.35s var(--transition);
    position: relative;
    overflow: hidden;
}

.bm-grid .feature-card::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--accent-color) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.bm-grid .feature-card:hover::before {
    opacity: 0.1;
}

.bm-grid .feature-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.bm-grid .feature-card i {
    font-size: 2.4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.bm-grid .feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.bm-grid .feature-card p {
    font-size: 0.95rem;
    opacity: 0.85;
}

/* Features section */
.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    padding: 2rem 1.5rem;
    border-radius: 1.25rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.35s var(--transition), box-shadow 0.35s var(--transition);
}

.feature-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::after {
    opacity: 0.07;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.feature-card i {
    font-size: 2.6rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    transition: transform 0.4s ease;
}

.feature-card:hover i {
    transform: rotate(8deg) scale(1.1);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.95rem;
    opacity: 0.85;
}