/* Responsive Core Styles */
:root {
    --primary-color: #333;
    --text-color: #555;
    --bg-color: #fff;
    --accent-color: #007bff;
    --nav-active-color: #007bff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header & Nav */
header {
    background: var(--bg-color);
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
}

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

.nav-links li {
    padding: 0 0.8rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding-bottom: 5px;
}

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

.nav-links a.active {
    color: var(--nav-active-color);
    border-bottom: 3px solid var(--nav-active-color);
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--primary-color);
    text-transform: uppercase;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem 0;
}

hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 3rem 0;
}

/* Form Styles */
.contact-form-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: #f9f9f9;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.submit-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #0056b3;
}

.alert {
    padding: 1rem;
    margin-bottom: 2rem;
    border-radius: 4px;
    text-align: center;
}

.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* Main Content */
main {
    padding: 3rem 0;
}

/* Footer */
footer {
    background: #f4f4f4;
    padding: 3rem 0;
    margin-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.footer-col h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-col a {
    color: var(--accent-color);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
    font-size: 0.8rem;
}

/* Burger & Mobile Nav */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 1024px) {
    body.nav-open {
        overflow: hidden;
    }
    .nav-links {
        position: fixed;
        right: 0px;
        height: 100vh;
        top: 0px;
        padding-top: 80px;
        background-color: var(--bg-color);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding-left: 3rem;
        width: 70%;
        transform: translateX(100%);
        visibility: hidden;
        pointer-events: none;
        transition: all 0.5s ease-in;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        z-index: 99;
    }
    .nav-links li {
        opacity: 0;
        margin: 1rem 0;
    }
    .burger {
        display: block;
        position: relative;
        z-index: 101;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .form-group-row {
        grid-template-columns: 1fr;
    }
}

.nav-active {
    transform: translateX(0%);
    visibility: visible;
    pointer-events: auto;
}

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

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}
.toggle .line2 {
    opacity: 0;
}
.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}