html {
    height: 100%;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-content {
    padding-top: 0;
    flex: 1 0 auto;
    width: 100%;
}

a,
button {
    transition: all 0.3s ease;
}

.back-link {
    text-align: center;
    margin-top: 1rem;
}

.back-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-link a:hover,
.back-link a:focus {
    color: var(--primary-dark);
}

.btn {
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
}

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


.footer {
    background: var(--dark);
    color: white;
    padding: 3rem 2rem 1rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: var(--gray);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: var(--gray);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}