:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #eef2ff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --bg-main: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

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

/* Sections */
section {
    padding: 100px 20px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Typography */
h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-align: center;
}

p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, #ec4899 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 2rem;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: 0.2s;
}

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

/* Buttons */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: white;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-alt);
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    text-align: center;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 3rem 2rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 24px;
    transition: 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
    align-items: stretch;
}

.pricing-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    transition: 0.3s;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    position: relative;
    transform: scale(1.05);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.pricing-features li i {
    color: #10b981;
}

@media (max-width: 1200px) {
    h1 {
        font-size: 3.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .nav-container {
        padding: 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem;
        padding: 2rem;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1001;
        display: flex;
    }

    .nav-links.active {
        right: 0;
    }

    .menu-btn-mobile {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 45px;
        height: 45px;
        background: var(--primary-light);
        color: var(--primary);
        border: none;
        border-radius: 12px;
        font-size: 1.25rem;
        cursor: pointer;
        z-index: 1002;
        transition: 0.3s;
    }

    .menu-btn-mobile:active {
        transform: scale(0.9);
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 1rem;
        font-size: 1.1rem;
        border-radius: 12px;
    }

    .nav-links .btn {
        margin: 0.5rem 0;
    }

    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 20px;
    }

    .pricing-card {
        padding: 2rem;
    }

    /* Mobile Menu Overlay */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(15, 23, 42, 0.4);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
        z-index: 1000;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* Footer Section */
.footer {
    background: var(--bg-alt);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    margin-top: 100px;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 4rem;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.footer-brand p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: white;
    border: 1px solid var(--border);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    text-decoration: none;
    transition: 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.link-group a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    transition: 0.2s;
}

.link-group a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 60px auto 0;
    padding: 30px 2rem 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 576px) {
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}