:root {
    --bg-color: #0d0d12;
    --text-color: #f0f0f5;
    --accent-color: #4f46e5;
    --accent-glow: #4f46e580;
    --secondary-bg: #16161e;
    --card-bg: #1f1f2a;
    --success-color: #10b981;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    --transition-speed: 0.3s;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(13, 13, 18, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

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

#navbar nav ul {
    display: flex;
    gap: 30px;
}

#navbar nav a {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
}

#navbar nav a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150vw;
    height: 150vh;
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    opacity: 0.2;
    z-index: -1;
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    0% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    animation: fadeUp 1s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

#hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #a5a5a5);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
    color: #a0a0b0;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--accent-color);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all var(--transition-speed);
    box-shadow: 0 10px 30px -10px var(--accent-glow);
}

.cta-button:hover {
    background: transparent;
    border-color: var(--accent-color);
    box-shadow: 0 10px 40px -5px var(--accent-glow);
}

/* Sections */
.section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.subtitle {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
}

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

.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-speed);
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.1);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.card p {
    color: #a0a0b0;
}

/* Feature Row */
.content-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.text-col {
    flex: 1;
}

.visual-col {
    flex: 1;
    display: flex;
    justify-content: center;
}

.abstract-chart {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.2;
    position: relative;
}

.abstract-chart::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #a0a0b0;
}

.feature-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    line-height: 1;
}

.feature-list strong {
    color: #fff;
}

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

.fidelis-card {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 15px;
    border-left: 3px solid var(--accent-color);
}

.fidelis-card.highlight {
    background: rgba(79, 70, 229, 0.1);
    border-left: 3px solid var(--success-color);
}

.fidelis-card h3 {
    margin-bottom: 15px;
}

.fidelis-card ul li {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* FAQ */
.faq-item {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    text-align: left;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-body);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0, 0, 0, 0.2);
}

.faq-answer p {
    padding: 20px;
    color: #a0a0b0;
}

/* Footer */
footer {
    padding: 60px 0;
    background: var(--secondary-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 20px;
}

.footer-content p {
    max-width: 600px;
    margin: 0 auto 10px;
}

/* Responsive */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 2.5rem;
    }

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

    #navbar nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        padding: 20px;
        display: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    #navbar nav.active {
        display: block;
    }

    #navbar nav ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .content-row {
        flex-direction: column;
    }
}