/* Premium CSS Framework for UnivIndia */
:root {
    --primary-color: #2563eb;
    --primary-gradient: linear-gradient(135deg, #2563eb, #1e40af);
    --secondary-color: #f59e0b;
    --dark-text: #1f2937;
    --light-text: #f3f4f6;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--dark-text);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--dark-text);
    margin-bottom: 1rem;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--secondary-color);
}

/* Nav */
.main-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: all var(--transition-speed);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--dark-text);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.nav-links a:hover, .nav-links a.active {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: var(--primary-gradient);
    color: var(--light-text);
    padding: 80px 20px;
    text-align: center;
    border-radius: 0 0 30px 30px;
    margin-bottom: 40px;
}

.hero h1 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

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

/* Articles and Cards */
.article-content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-speed), transform var(--transition-speed);
}

.article-content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.article-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    border-bottom: 2px solid #f3f4f6;
    padding-bottom: 15px;
}

.article-content h2 {
    font-size: 1.8rem;
    margin-top: 35px;
    color: #111827;
}

.article-content h3 {
    font-size: 1.4rem;
    margin-top: 25px;
    color: #374151;
}

.article-content p {
    margin-bottom: 20px;
    font-size: 1.15rem;
    color: #4b5563;
    letter-spacing: 0.2px;
}

.article-content ul, .article-content ol {
    margin-left: 20px;
    margin-bottom: 25px;
}

.article-content li {
    margin-bottom: 10px;
    font-size: 1.15rem;
    color: #4b5563;
}

/* Sidebar */
.sidebar {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 5px;
    display: inline-block;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 15px;
    border-bottom: 1px solid #f3f4f6;
    padding-bottom: 10px;
}

.sidebar li:last-child {
    border-bottom: none;
}

.sidebar a {
    color: #4b5563;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.sidebar a::before {
    content: "→";
    margin-right: 8px;
    color: var(--primary-color);
    font-weight: bold;
    transition: transform var(--transition-speed);
}

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

.sidebar a:hover::before {
    transform: translateX(4px);
}

/* Footer */
footer {
    background: #111827;
    color: #9ca3af;
    padding: 60px 20px 30px;
    text-align: center;
    margin-top: 80px;
}

.footer-nav {
    margin: 30px 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav a {
    color: #d1d5db;
    font-weight: 500;
}

.footer-nav a:hover {
    color: #ffffff;
}

.copyright {
    display: block;
    margin-top: 30px;
    border-top: 1px solid #374151;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .article-content {
        padding: 25px;
    }
    .article-content h1 {
        font-size: 2rem;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
}

/* Tool Interface Styles */
.result-form-container {
    background: #ffffff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 30px;
    margin-bottom: 40px;
    border-top: 5px solid var(--primary-color);
}

.result-form-title {
    font-size: 1.5rem;
    color: var(--dark-text);
    margin-bottom: 20px;
    text-align: center;
    font-family: 'Outfit', sans-serif;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #374151;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 14px 20px;
    background: var(--primary-gradient);
    color: #ffffff !important;
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
}

/* Quick Links Grid */
.grid-nav {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
}

.grid-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-weight: 600;
    color: #1f2937 !important;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed);
    text-decoration: none;
}

.grid-btn:hover {
    background: #f8fafc;
    border-color: var(--primary-color);
    color: var(--primary-color) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Reorder Content */
.seo-content {
    margin-top: 60px;
    border-top: 1px solid #e5e7eb;
    padding-top: 40px;
}