:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --dark-bg: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

/* Navbar */
.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    position: absolute;
    width: 100%;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-login {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    background: radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.15), transparent),
        url('/images/hero_bg.png') no-repeat center right / 50%;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--dark-bg), transparent);
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, #00d2ff, #9effff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.2);
    transition: transform 0.3s;
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: background 0.3s;
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-3px);
}

/* Comparison Section */
.comparison {
    padding: 8rem 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

/* Pricing Section */
.pricing {
    padding: 8rem 5%;
    background: rgba(255, 255, 255, 0.02);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 4rem auto 0;
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 24px;
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 210, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.highlight {
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.1), rgba(0, 114, 255, 0.1));
    border: 1px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.highlight:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 5px 40px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    text-transform: uppercase;
}

.pricing-header h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.price small {
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-card .features-list {
    margin: 2rem 0;
    flex-grow: 1;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 1rem;
    font-size: 1rem;
}

@media (max-width: 968px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 2rem;
    }

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

    .pricing-card.highlight:hover {
        transform: translateY(-10px);
    }
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.comp-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    position: relative;
}

.comp-card.highlight {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.1), transparent);
}

.comp-header {
    margin-bottom: 2rem;
}

.cost {
    font-size: 3rem;
    font-weight: 800;
    color: #ef4444;
}

.comp-card.highlight .cost {
    color: #10b981;
}

.features-list {
    list-style: none;
}

.features-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-muted);
}

.features-list i {
    color: var(--primary-color);
}

/* Features Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 8rem 5%;
}

.feature-item {
    padding: 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: border-color 0.3s;
}

/* Feature Item Hover */
.feature-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

/* Contact Section */
.contact {
    padding: 8rem 5%;
    background: radial-gradient(circle at 20% 80%, rgba(0, 210, 255, 0.1), transparent);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 30px;
    backdrop-filter: blur(20px);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.contact-form label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: 12px;
    color: white;
    outline: none;
    transition: border-color 0.3s;
    appearance: none;
}

.plan-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--primary-color);
}

.btn-submit {
    grid-column: span 2;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1rem;
    transition: transform 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.2);
}

/* Toast/Feedback */
#formFeedback {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    display: none;
}

#formFeedback.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

#formFeedback.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

footer {
    padding: 4rem 5%;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
}

@media (max-width: 992px) {
    .hero {
        background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.15), transparent);
        text-align: center;
        justify-content: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .cta-group {
        justify-content: center;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

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

    h1 {
        font-size: 3rem;
    }
}