:root {
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --card-bg: #ffffff;
    --card-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(56, 189, 248, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-download-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
}

.hero {
    text-align: center;
    padding: 10rem 2rem 6rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--accent);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
    max-width: 700px;
    margin-inline: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 10px 25px -5px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -5px var(--accent-glow);
}

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    margin-left: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.pricing-section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.pricing-section h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 24px;
    padding: 3.5rem 2.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #e2e8f0, #cbd5e1);
    transition: all 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
}

.card:hover::before {
    background: linear-gradient(90deg, var(--accent), #38bdf8);
}

.card.popular {
    transform: scale(1.05);
    border: 1px solid rgba(79, 70, 229, 0.2);
    box-shadow: 0 20px 50px -15px var(--accent-glow);
    z-index: 10;
}

.card.popular::before {
    background: linear-gradient(90deg, var(--accent), #818cf8);
}

.card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px var(--accent-glow);
}

.card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    color: var(--text-primary);
    letter-spacing: -2px;
}

.price span {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 0.5rem;
    letter-spacing: 0;
}

.features {
    list-style: none;
    margin-bottom: 3rem;
    flex-grow: 1;
}

.features li {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    font-weight: 500;
}

.features li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--accent);
    border-radius: 50%;
    margin-right: 1rem;
    font-weight: bold;
    font-size: 0.85rem;
}

.card .btn {
    width: 100%;
    margin-left: 0;
}

footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 4rem 5%;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 4rem;
    font-weight: 500;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    color: var(--text-primary);
}

@media (max-width: 992px) {
    .pricing-cards {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 3rem;
        letter-spacing: -1px;
    }

    .nav-links {
        display: flex;
        position: absolute;
        top: calc(100% + 10px);
        right: 5%;
        width: 220px;
        background: var(--card-bg);
        border: 1px solid rgba(0, 0, 0, 0.05);
        border-radius: 20px;
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        gap: 1.5rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(0.95);
        transform-origin: top right;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    .nav-links a {
        width: 100%;
        text-align: left;
    }

    .card.popular {
        transform: scale(1);
        z-index: 1;
    }

    .card.popular:hover {
        transform: translateY(-8px);
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
    }
}