/* ============================================
   IMPORTS & FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    color: #1c2b3a;
    background: #fff;
    line-height: 1.7;
}

/* ============================================
   HERO
   ============================================ */
.hero-section {
    background-color: #0a2463;
    background-image: url('../images/uk_hero.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10,36,99,0.95) 0%, rgba(10,36,99,0.7) 45%, rgba(0,0,0,0) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* ============================================
   UTILITY SECTIONS
   ============================================ */
.section-padding { padding: 80px 0; }

.bg-light-grey { background-color: #f5f7fa; }

/* ============================================
   COURSE CARDS
   ============================================ */
.course-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,.07);
    transition: transform .3s, box-shadow .3s;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(10,36,99,.14);
}

.course-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.course-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.form-control, .form-select {
    border-radius: 10px;
    border: 1.5px solid #dde3ed;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: #1c2b3a;
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus, .form-select:focus {
    border-color: #0a2463;
    box-shadow: 0 0 0 3px rgba(10,36,99,.1);
    outline: none;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-navy {
    background-color: #0a2463;
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 14px 36px;
    font-weight: 600;
    font-size: 1rem;
    transition: background .2s, transform .2s;
    display: inline-block;
    text-decoration: none;
}
.btn-navy:hover {
    background-color: #071b4a;
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline-navy {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.55);
    border-radius: 50px;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 1rem;
    transition: all .2s;
    display: inline-block;
    text-decoration: none;
}
.btn-outline-navy:hover {
    background: rgba(255,255,255,.12);
    border-color: #fff;
    color: #fff;
}

/* footer */
footer a { transition: opacity .2s; text-decoration: none; }
footer a:hover { opacity: .75; }