/* Hero banner (modern, Ken Burns zoom in/out) */
.hero {
    position: relative;
    height: 620px;
    overflow: hidden;
    background: #0b2239;
}
.hero-track { position: absolute; inset: 0; }
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.1s ease;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide__bg {
    position: absolute;
    inset: 0;
    background-image: var(--hero-image);
    background-size: cover;
    background-position: center;
    transform: scale(1);
    animation: heroZoom 14s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes heroZoom {
    from { transform: scale(1); }
    to   { transform: scale(1.12); }
}
.hero-slide__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6,28,50,.88) 0%, rgba(6,28,50,.62) 42%, rgba(6,28,50,.18) 100%);
}
.hero-body {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.hero-title {
    max-width: 660px;
    margin: 0 0 18px;
    font-family: 'Roboto-Black', sans-serif;
    font-size: clamp(28px, 3.4vw, 52px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: #fff;
    text-shadow: 0 2px 26px rgba(0,0,0,.45);
}
.hero-text {
    max-width: 560px;
    margin: 0 0 28px;
    font-size: clamp(15px, 1.35vw, 20px);
    line-height: 1.5;
    color: rgba(255,255,255,.93);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 10px;
    font-family: 'Roboto-Bold', sans-serif;
    font-size: 14px;
    letter-spacing: .04em;
    text-transform: uppercase;
    text-decoration: none;
    transition: transform .25s ease, background-color .25s ease, border-color .25s ease;
}
.hero-btn--primary { background: #0497dd; color: #fff; }
.hero-btn--primary:hover { background: #0db1ff; color: #fff; transform: translateY(-2px); }
.hero-btn--ghost { border: 1.5px solid rgba(255,255,255,.72); color: #fff; }
.hero-btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.12); color: #fff; transform: translateY(-2px); }
.hero-dots {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.hero-dot {
    width: 34px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 2px;
    background: rgba(255,255,255,.45);
    cursor: pointer;
    transition: background-color .25s ease, width .25s ease;
}
.hero-dot.is-active { background: #fff; width: 46px; }
@media (max-width: 991px) {
    .hero { height: 540px; }
    .hero-title { font-size: 34px; }
}
@media (max-width: 575px) {
    .hero { height: 480px; }
    .hero-title { font-size: 27px; }
    .hero-text { margin-bottom: 22px; }
    .hero-actions { width: 100%; }
    .hero-actions .hero-btn { width: 100%; }
}