/* External CSS - styles.css */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #e5be46 0%, #f6b856 100%);
    min-height: 100vh;
}

/* Header Styles */
header {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: rgb(0, 0, 0);
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

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

.nav-links a {
    color: rgb(0, 0, 0);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.nav-links a.active {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* Main Content */
main {
    margin-top: 80px;
    min-height: calc(100vh - 160px);
    padding: 2rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 3rem 5%;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    animation: fadeIn 0.8s ease-out;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-3px);
}

/* Card Styles */
.card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.4;
}

p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.7;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

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

.footer-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.social-links {
    margin-top: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.social-links a:hover {
    color: #667eea;
    transform: translateY(-2px) scale(1.1);
}

/* Loading Animation */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(45deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Responsive Design */
@media (max-width: 992px) {
    .container {
        padding: 2rem 3%;
    }
    
    nav {
        padding: 1rem 3%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        padding: 0.3rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    main {
        padding: 1rem 0;
    }
    
    .container {
        margin: 1rem;
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 1rem;
        border-radius: 0 0 15px 15px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }
    
    .nav-links a {
        color: #333;
        width: 100%;
        text-align: center;
        padding: 0.8rem;
        border-radius: 10px;
    }
    
    .nav-links a:hover {
        background: rgba(102, 126, 234, 0.1);
        color: #667eea;
    }
    
    .nav-links a.active {
        background: rgba(102, 126, 234, 0.2);
        color: #667eea;
    }
    
    .container {
        margin: 0.5rem;
        padding: 1.5rem 1rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #764ba2, #667eea);
}

/* Selection Styles */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: #333;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: #333;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    header {
        position: static;
        background: white;
        border-bottom: 2px solid #333;
    }
    
    .nav-links a {
        color: #333;
    }
    
    .container {
        background: white;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    footer {
        background: white;
        color: #333;
        border-top: 2px solid #333;
    }
}