/* --- UKUSA PROFESSIONAL THEME --- */
:root {
    --bg-dark: #061a15;
    --bg-card: #0f2d26;
    --primary-green: #10b981;
    --primary-dark: #059669;
    --text-light: #ecfdf5;
    --text-gray: #a7f3d0;
    --white: #ffffff;
    --border: rgba(16, 185, 129, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- NAVIGATION --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-green);
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    margin-left: 25px;
    font-size: 0.95rem;
    transition: 0.3s;
}

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

.btn-login {
    background-color: var(--primary-green);
    color: var(--bg-dark);
    padding: 10px 25px;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

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

/* --- HERO SECTION --- */
header {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(6, 26, 21, 0.85), rgba(6, 26, 21, 0.95)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 900px;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    line-height: 1.2;
    color: var(--white);
}

.hero-sub {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 50px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.cta-btn {
    display: inline-block;
    background-color: var(--primary-green);
    color: var(--bg-dark);
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 6px;
    text-decoration: none;
    transition: 0.3s;
}

.cta-btn:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-3px);
}

/* --- SECTIONS --- */
.section-wrap {
    padding: 100px 5%;
    background-color: var(--bg-dark);
    flex: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--primary-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.card:hover {
    border-color: var(--primary-green);
    transform: translateY(-5px);
}

.card h3 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.card p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* --- LOGIN PAGE --- */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    background-color: var(--bg-dark);
    flex: 1;
}

.login-box {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 12px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border);
    text-align: center;
}

.login-box h2 {
    color: var(--white);
    margin-bottom: 10px;
}

.login-box p {
    color: var(--text-gray);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    color: var(--text-gray);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    padding: 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--white);
    border-radius: 6px;
    outline: none;
}

.input-group input:focus {
    border-color: var(--primary-green);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary-green);
    border: none;
    color: var(--bg-dark);
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}

/* --- FOOTER --- */
footer {
    background-color: #030f0c;
    padding: 70px 5% 30px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.f-col h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.f-col ul {
    list-style: none;
}

.f-col ul li {
    margin-bottom: 15px;
}

.f-col ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: 0.3s;
}

.f-col ul li a:hover {
    color: var(--primary-green);
}

.contact-detail {
    color: var(--text-gray);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: #475569;
    font-size: 0.85rem;
}

/* Mobile */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    nav { flex-direction: column; gap: 20px; }
    .nav-links { display: flex; flex-direction: column; gap: 15px; text-align: center; }
    .nav-links a { margin: 0; }
}