@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@400;500&display=swap');

:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 40, 0.6);
    --card-hover: rgba(30, 38, 56, 0.9);
    --nav-bg: rgba(13, 17, 23, 0.85);
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent: #00b4d8;
    --accent-hover: #0096c7;
    --magenta: #e94560;
    --border: rgba(240, 246, 252, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 180, 216, 0.03) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(233, 69, 96, 0.03) 0%, transparent 40%);
}

/* Glassmorphism Sidebar */
.sidebar {
    width: 280px;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
    box-shadow: 5px 0 25px rgba(0,0,0,0.2);
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    overflow: hidden;
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    transform: translateX(4px);
}

.nav-link:hover i {
    opacity: 1;
    color: var(--accent);
}

.nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.1) 0%, transparent 100%);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
}

.nav-link.active i {
    opacity: 1;
    color: var(--accent);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 4rem 5rem;
    max-width: 1200px;
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    color: #fff;
    margin: 3.5rem 0 1.5rem 0;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.15rem;
}

code {
    background: rgba(0, 180, 216, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
    font-size: 0.9em;
    color: var(--accent);
    border: 1px solid rgba(0, 180, 216, 0.2);
}

/* Hero Section */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(0, 180, 216, 0.1);
    color: var(--accent);
    border: 1px solid rgba(0, 180, 216, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #fff;
    transform: translateY(-2px);
}

.hero-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid var(--border);
    margin-bottom: 3rem;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Feature Grids */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.8rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--magenta));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    background: var(--card-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 0;
}

.feature-card ul {
    margin-top: 1rem;
    list-style-type: none;
}

.feature-card li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.2rem;
    position: relative;
}

.feature-card li::before {
    content: "•";
    color: var(--magenta);
    position: absolute;
    left: 0;
    font-weight: bold;
}


@media (max-width: 900px) {
    .sidebar { width: 220px; }
    .main-content { margin-left: 220px; padding: 3rem; }
}

@media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1.5rem;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .nav-links { flex-direction: row; flex-wrap: wrap; }
    .nav-link { padding: 0.6rem 1rem; }
    .main-content { margin-left: 0; padding: 2rem; }
    h1 { font-size: 2.5rem; }
}