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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
}

header h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.form-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.nav-btn {
    background: white;
    color: #1e293b;
    border: none;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    background: #f8fafc;
}

.nav-btn.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.forms-container {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-height: auto;
}

.form-wrapper {
    display: none;
    animation: fadeIn 0.4s ease-in;
    width: 100%;
}

.form-wrapper.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

iframe {
    border: none;
    border-radius: 10px;
    width: 100%;
    min-height: 200px; /* just a small safe fallback before Tally resizes */
    display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
    header h1 {
        font-size: 2.5rem;
    }

    .forms-container {
        padding: 32px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    header h1 {
        font-size: 2rem;
    }

    .nav-btn {
        font-size: 0.9rem;
        padding: 12px 24px;
    }

    .forms-container {
        padding: 24px;
        border-radius: 16px;
    }

    iframe {
        min-height: 200px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .form-nav {
        gap: 8px;
    }

    .nav-btn {
        font-size: 0.85rem;
        padding: 10px 18px;
    }

    .forms-container {
        padding: 20px;
        border-radius: 12px;
    }

    iframe {
        min-height: 200px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}