:root {
    --bg-color: #0b0f19;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent: #10b77f;
    --font-family: 'Inter', sans-serif;
}

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

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

html {
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--card-border);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: var(--primary-color) !important;
}
.btn-outline:hover {
    background: var(--primary-color);
    color: white !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 5%;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

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

.highlight {
    background: linear-gradient(to right, #3b82f6, #10b77f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.glow-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0,0,0,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

/* Common Section */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Features */
.features {
    padding: 5rem 5%;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pricing */
.pricing {
    padding: 5rem 5%;
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(15, 23, 42, 1) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.pricing-card.premium {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(16, 183, 127, 0.1);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.plan-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.plan-features li {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

.plan-features li.disabled {
    color: rgba(148, 163, 184, 0.5);
}

.plan-features li.disabled::before {
    content: '✕';
    color: rgba(148, 163, 184, 0.5);
}

.buy-btn {
    width: 100%;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background: #1e293b;
    padding: 3rem;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--card-border);
    position: relative;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: white;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin: 1rem 0 2rem;
}

.payment-instructions {
    text-align: left;
    background: rgba(15, 23, 42, 0.6);
    padding: 1.5rem;
    border-radius: 12px;
}

.instruction-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-num {
    background: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.qr-container {
    text-align: center;
    background: white;
    padding: 1rem;
    border-radius: 12px;
    margin: 1rem auto 2rem auto;
    display: block;
    max-width: 300px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.qr-container img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 8px;
}

.upi-id {
    color: #1e293b;
    font-size: 0.9rem;
}

.highlight-text {
    color: var(--accent);
    font-size: 1.1rem;
}

.highlight-link {
    color: var(--primary-color);
    text-decoration: none;
}

/* Footer */
footer {
    border-top: 1px solid var(--card-border);
    padding: 3rem 5%;
    text-align: center;
}

.footer-content .logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.copyright {
    margin-top: 2rem;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none; /* simple mobile view */
    }
}
