/* =================================================================
   Global Stylesheet (style.css)
   ================================================================= */

/* --- CSS Variables --- */
:root {
    --primary-color: #3b305f;
    --primary-dark: #2a2144;
    --primary-light: #4d3d7a;
    --secondary-color: #ff9900;
    --secondary-dark: #e68a00;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #adb5bd;
    --dark-gray: #495057;
    --dark-color: #212529;
    --white-color: #ffffff;
    --font-family: 'Poppins', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --container-width: 90%;
    --max-container-width: 1200px;
    --border-radius: 0.5rem;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.12);
    --transition-medium: 0.3s ease;
}

/* --- Base & Reset Styles --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--dark-color);
    background-color: var(--light-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden; /* Critical for preventing horizontal scroll */
}
main { flex-grow: 1; }
img {
    max-width: 100%;
    height: auto; /* Change from 100% to auto */
    display: block;
}
ul { list-style: none; }
a { color: var(--secondary-color); text-decoration: none; transition: color var(--transition-medium); }
a:hover { color: var(--secondary-dark); }
h1, h2, h3, h4, h5, h6 { font-weight: var(--font-weight-bold); line-height: 1.3; color: var(--primary-dark); margin-bottom: 1rem; }
p { margin-bottom: 1.5rem; color: var(--dark-gray); }

/* --- Layout Container --- */
.container { width: var(--container-width); max-width: var(--max-container-width); margin: 0 auto; }

/* --- Buttons --- */
.btn { display: inline-block; padding: 0.9rem 2rem; font-weight: var(--font-weight-semibold); text-align: center; border: 2px solid transparent; border-radius: var(--border-radius); transition: all var(--transition-medium); cursor: pointer; }
.btn:hover { transform: translateY(-3px); box-shadow: var(--box-shadow); }
.btn-primary { background-color: var(--secondary-color); color: var(--white-color); border-color: var(--secondary-color); }
.btn-primary:hover { background-color: var(--secondary-dark); border-color: var(--secondary-dark); color: var(--white-color); }
.btn-secondary { background-color: var(--primary-color); color: var(--white-color); border-color: var(--primary-color); }
.btn-secondary:hover { background-color: var(--primary-dark); border-color: var(--primary-dark); color: var(--white-color); }

.btn-outline-secondary { background-color: transparent; border-color: var(--primary-color); color: var(--primary-color); }
.btn-outline-secondary:hover { background-color: var(--primary-color); color: var(--white-color); }
.btn-lg { padding: 1.2rem 3rem; font-size: 1.2rem; }

/* --- Header --- */
.top-bar { background-color: var(--primary-dark); color: var(--white-color); padding: 0.5rem 0; font-size: 0.9rem; }
.top-bar .container { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 1rem 2rem; }
.contact-link-top { color: var(--white-color); display: flex; align-items: center; gap: 0.5rem; }
.hero-header { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%); color: var(--white-color); padding: 3rem 0 0; text-align: center; }
/* This is the critical fix for the header animation on mobile */
.logo-section { width: 100%; overflow-x: hidden; display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.academy-logo { max-width: 120px; }
.logo-text { width: 100%; }
.academy-name { font-size: clamp(1.8rem, 5vw, 2.8rem); color: var(--white-color); margin-bottom: 0.5rem; text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.4); }
.academy-tagline { font-size: clamp(1rem, 3vw, 1.2rem); font-weight: var(--font-weight-regular); color: rgba(255, 255, 255, 0.9); margin: 0 auto; max-width: 700px; }
.header-curve { position: relative; height: 80px; margin-top: -1px; }
.header-curve svg { position: absolute; bottom: 0; left: 0; width: 100%; height: 100%; fill: var(--light-color); }

/* --- Navigation --- */
.navbar { background-color: var(--primary-color); padding: 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15); }
.navbar .container { display: flex; justify-content: center; align-items: center; min-height: 65px; }
.navbar-toggler { display: none; background: none; border: none; cursor: pointer; padding: 1rem; z-index: 1002; }
.toggler-icon { display: block; width: 28px; height: 3px; background-color: var(--white-color); margin: 6px 0; transition: all var(--transition-medium); border-radius: 2px; }
.navbar-toggler.active .toggler-icon:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.navbar-toggler.active .toggler-icon:nth-child(2) { opacity: 0; }
.navbar-toggler.active .toggler-icon:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
.navbar-nav { display: flex; align-items: center; gap: 0.5rem; }
.nav-link { display: block; color: var(--white-color); font-weight: var(--font-weight-medium); padding: 1.2rem 1rem; transition: all var(--transition-medium); border-radius: 4px; }
.nav-link:hover { background-color: var(--primary-light); color: var(--white-color); }
.nav-link.active { color: var(--secondary-color); font-weight: var(--font-weight-semibold); }
.btn-login, .btn-signup, .btn-logout { padding: 0.6rem 1.5rem !important; margin-left: 0.5rem; font-weight: var(--font-weight-semibold); border: 2px solid; border-radius: 50px; }
.btn-login { border-color: var(--white-color); color: var(--white-color) !important; }
.btn-login:hover { background-color: var(--white-color); color: var(--primary-color) !important; }
.btn-signup {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--primary-dark) !important; /* Changed to a dark color for high contrast */
}
.btn-signup:hover { background-color: var(--secondary-dark); border-color: var(--secondary-dark); }
.btn-logout { background-color: var(--danger-color); border-color: var(--danger-color); color: var(--white-color) !important; }

/* --- Footer --- */
.site-footer { background-color: var(--dark-color); color: var(--light-gray); padding: 4rem 0 0; margin-top: auto; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
.footer-logo img {
    max-width: 150px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}
.site-footer p {
    color: var(--medium-gray);
}
.footer-title { color: var(--white-color); font-size: 1.4rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 3px solid var(--secondary-color); display: inline-block; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 1rem; }
.contact-item i { color: var(--secondary-color); margin-top: 0.3rem; }
.footer-links li { margin-bottom: 1rem; }
.footer-links a { color: var(--medium-gray); transition: color var(--transition-medium), padding-left var(--transition-medium); }
.footer-links a:hover { color: var(--white-color); padding-left: 8px; }
.footer-links a i { margin-right: 0.5rem; color: var(--secondary-color); }
.newsletter-form { display: flex; margin-bottom: 1.5rem; }
.newsletter-form input { flex: 1; padding: 0.8rem 1rem; border: 1px solid var(--dark-gray); border-radius: var(--border-radius) 0 0 var(--border-radius); background-color: var(--dark-gray); color: var(--white-color); }
.btn-subscribe {
    background-color: var(--secondary-color);
    color: var(--primary-dark); /* Changed from --white-color */
    border: none;
    padding: 0 1.5rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    font-weight: var(--font-weight-semibold); /* Added for better readability */
}
.btn-subscribe:hover { background-color: var(--secondary-dark); }
.social-links { display: flex; gap: 1rem; }
.social-links a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background-color: var(--dark-gray); color: var(--white-color); border-radius: 50%; transition: all var(--transition-medium); }
.social-links a:hover { background-color: var(--secondary-color); transform: translateY(-5px); }
.footer-bottom { border-top: 1px solid var(--dark-gray); padding: 1.5rem 0; text-align: center; }
.footer-links-legal { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.5rem; margin-top: 0.5rem; }
.footer-links-legal a { color: var(--medium-gray); font-size: 0.9rem; }

/* --- Back to Top Button --- */
#back-to-top { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 50px; height: 50px; background-color: var(--secondary-color); color: var(--white-color); border: none; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; box-shadow: var(--box-shadow-hover); opacity: 0; visibility: hidden; transform: translateY(100px); transition: all var(--transition-medium); z-index: 999; }
#back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background-color: var(--secondary-dark); }

/* --- Responsive Media Queries --- */
@media (max-width: 991.98px) {
    .navbar .container { justify-content: space-between; }
    .navbar-toggler { display: block; }
    .navbar-nav { position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--primary-dark); flex-direction: column; align-items: stretch; padding: 1rem; max-height: 0; overflow: hidden; transition: max-height 0.4s ease-in-out; border-top: 1px solid var(--primary-light); }
    .navbar-nav.active { max-height: 100vh; }
    .navbar-nav li { width: 100%; text-align: center; }
    .nav-link { padding: 0.8rem 1rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .navbar-nav li:last-child > .nav-link { border-bottom: none; }
    .btn-login, .btn-signup, .btn-logout { margin: 0.5rem 0; display: block; width: 100%; }
}
@media (max-width: 767.98px) {
    html { font-size: 15px; }
    .header-curve { height: 60px; }
    .footer-content { text-align: center; }
    .footer-section { display: flex; flex-direction: column; align-items: center; }
    .footer-links ul { text-align: center; padding-left: 0; }
    .newsletter-form { flex-direction: column; gap: 0.5rem; }
    .newsletter-form input, .btn-subscribe { border-radius: var(--border-radius); width: 100%; }
    .social-links { justify-content: center; }
}