:root {
    --bg-main: #0B0F19;
    --bg-card: rgba(20, 25, 40, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --primary: #8B5CF6;
    --primary-hover: #7C3AED;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.glow-circle {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: drift 20s infinite alternate ease-in-out;
}

.glow-1 {
    top: -200px;
    left: -200px;
    background: #8B5CF6;
}

.glow-2 {
    bottom: -200px;
    right: -200px;
    background: #3B82F6;
    animation-direction: alternate-reverse;
}

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

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6rem;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--text-main);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary);
}

.hero {
    text-align: center;
    margin-bottom: 5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    background: var(--bg-card);
    border-radius: 9999px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.search-container:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.3), 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.search-icon {
    color: var(--text-muted);
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.search-container:focus-within .search-icon {
    color: var(--primary);
}

#searchInput {
    width: 100%;
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    outline: none;
}

#searchInput::placeholder {
    color: var(--text-muted);
}

.faq-section {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.faq-section h2 {
    font-size: 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    color: white;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.3);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.125rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    transition: color 0.3s ease;
}

.faq-item:hover .faq-question {
    color: var(--primary);
}

.chevron {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    flex-shrink: 0;
}

.faq-item.active .chevron {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 1.5rem;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-item.hidden {
    display: none !important;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

footer {
    margin-top: 6rem;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    header {
        flex-direction: column;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    nav {
        width: 100%;
        justify-content: space-between;
    }

    .faq-question {
        font-size: 1rem;
        padding: 1.25rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1.25rem 1.25rem 1.25rem;
    }
}