:root {
    --zd-orange:#1F6B91;
    --zd-blue: #006fb9;
    --zd-dark: #232323;
    --zd-gray: #666666;
    --zd-bg: #ffffff;
    --zd-footer-bg: #4a4a4a;
    --zd-border: #e5e5e5;
}

* { box-sizing: border-box; }

html, body {
    color: var(--zd-dark);
    background: #fff;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Open Sans', sans-serif;
    font-weight: 700;
}

a { text-decoration: none; transition: all .2s ease; }
a:hover { opacity: .85; }

/* ============== HEADER ============== */
.zd-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255,255,255,.97);
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
    z-index: 1030;
    padding: 12px 0;
    backdrop-filter: blur(6px);
}
.zd-logo img { height: 56px; width: auto; }
.zd-navbar .nav-link {
    color: var(--zd-dark) !important;
    font-weight: 600;
    font-size: 15px;
    padding: 10px 16px !important;
    position: relative;
}
.zd-navbar .nav-link.active,
.zd-navbar .nav-link:hover { color: var(--zd-orange) !important; }
.zd-navbar .dropdown-menu {
    padding: 0;
    border: 0;
    box-shadow: 0 8px 30px rgba(0,0,0,.12);
    border-radius: 0;
    min-width: 240px;
}
.zd-navbar .dropdown-item {
    padding: 10px 18px;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}
.zd-navbar .dropdown-item:last-child { border-bottom: 0; }
.zd-navbar .dropdown-item:hover {
    background: #fafafa;
    color: var(--zd-orange);
    padding-left: 22px;
}
.zd-header-actions .btn-icon {
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 0; background: transparent; color: var(--zd-dark);
    font-size: 18px;
}
.zd-header-actions .btn-icon:hover { color: var(--zd-orange); }

/* ============== HERO ============== */
.zd-hero {
    position: relative;
    display: flex;
    align-items: center;
    background: #000 url('assets/img/hero-poster.jpg') center center / cover no-repeat;
    padding: 30px 0;
    overflow: hidden;
}
.zd-hero::before {
    content: "";
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 1;
}
.zd-hero .container { position: relative; z-index: 2; }
.zd-hero h1 {
    color: #fff;
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 24px;
    max-width: 760px;
}
.zd-hero p {
    color: #fff;
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 20px;
}
.zd-hero ul.hero-list {
    list-style: none;
    padding: 0;
    color: #fff;
    font-size: 17px;
    line-height: 2;
}


/* ============== SECTION TITLE ============== */
.zd-section { padding: 60px 0; }
.zd-section.alt-bg { background: #f7f8fa; }

.zd-section-head { text-align: left; margin-bottom: 36px; }
.zd-section-head h2 {
    font-size: clamp(24px, 2.4vw, 31px);
    font-weight: 700;
    color: var(--zd-dark);
    margin-bottom: 10px;
    line-height: 1.2;
}
.zd-section-head h2 .accent { color: var(--zd-dark); }
.zd-section-head .title-underline {
    width: 60px; height: 4px;
    background: var(--zd-orange);
    margin-bottom: 16px;
}
.zd-section-head .lead-text {
    color: #555;
    font-size: 17px;
    line-height: 1.7;
    max-width: 1080px;
}

/* ============== CARDS ============== */
.zd-card {
    background: #fff;
    border: 1px solid var(--zd-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.zd-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,.10);
    border-color: var(--zd-orange);
}
.zd-card .card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16/11;
    overflow: hidden;
    background: #f0f0f0;
}
.zd-card .card-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.zd-card:hover .card-img-wrap img { transform: scale(1.05); }
.zd-card .card-body {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.zd-card .card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--zd-dark);
    margin: 0 0 10px;
    line-height: 1.4;
}
.zd-card .card-title a { color: inherit; }
.zd-card .card-title a:hover { color: var(--zd-orange); }
.zd-card .card-text {
    font-size: 13.5px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============== CTA BANNER ============== */
.zd-cta {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    color: #fff;
    padding: 50px 0;
    text-align: center;
}
.zd-cta h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}
.zd-cta p { font-size: 17px; opacity: .9; margin-bottom: 24px; }
.zd-cta .btn-cta {
    background: var(--zd-orange);
    color: #fff;
    padding: 12px 36px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 15px;
    display: inline-block;
}
.zd-cta .btn-cta:hover {  opacity: 1; }



/* ============== RESPONSIVE ============== */
@media (max-width: 992px) {
    .zd-navbar { padding: 0; }
    .zd-hero h1 { font-size: 28px; }
    .zd-hero p, .zd-hero ul.hero-list { font-size: 15px; }
    .zd-section { padding: 40px 0; }
}
@media (max-width: 576px) {
    .zd-logo img { height: 44px; }
    .zd-hero { min-height: 460px; padding: 40px 0; }
}