/* ========================================
   Industrial Clean Theme - Homepage
   ======================================== */

/* === Hero Section === */
.zh_hero {
    position: relative;
    min-height: 80vh;
    background: var(--zh-dark);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.zh_hero_bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.zh_hero_bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.zh_hero_bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.zh_hero_inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 120px;
    padding-bottom: 100px;
}

.zh_hero_content {
    max-width: 620px;
}

.zh_hero_label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.zh_hero_label span {
    display: inline-block;
    width: 40px;
    height: 2px;
    background: var(--zh-primary);
}

.zh_hero_label p {
    font-family: var(--zh-font-heading);
    font-size: 14px;
    color: var(--zh-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin: 0;
}

.zh_hero_title {
    font-family: var(--zh-font-heading);
    font-size: 48px;
    font-weight: 700;
    color: var(--zh-white);
    line-height: 1.3;
    letter-spacing: 0;
    margin-bottom: 20px;
}

.zh_hero_subtitle {
    font-size: 22px;
    font-weight: 400;
    color: rgba(255,255,255,0.85);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.zh_hero_desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 36px;
    max-width: 520px;
}

.zh_hero_actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.zh_hero_stats {
    display: flex;
    gap: 48px;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.zh_hero_stat {
    text-align: left;
}

.zh_hero_stat_num {
    display: block;
    font-family: var(--zh-font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--zh-white);
    line-height: 1;
    margin-bottom: 6px;
}

.zh_hero_stat_num em {
    font-style: normal;
    color: var(--zh-primary);
}

.zh_hero_stat_label {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === Services / Categories Section === */
.zh_services {
    padding: 100px 0;
    background: var(--zh-white);
}

.zh_services_header {
    text-align: center;
    margin-bottom: 60px;
}

.zh_services_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.zh_service_card {
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
    padding: 40px 28px;
    transition: all 0.3s;
    position: relative;
    text-decoration: none;
    display: block;
}

.zh_service_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--zh-primary);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.zh_service_card:hover {
    box-shadow: var(--zh-shadow-lg);
    border-color: var(--zh-primary);
}

.zh_service_card:hover::before {
    transform: scaleX(1);
}

.zh_service_num {
    font-family: var(--zh-font-heading);
    font-size: 50px;
    font-weight: 400;
    color: var(--zh-primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
}

.zh_service_card:hover .zh_service_num {
    opacity: 1;
}

.zh_service_title {
    font-family: var(--zh-font-heading);
    font-size: 20px;
    font-weight: 400;
    color: var(--zh-dark);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.zh_service_desc {
    font-size: 15px;
    color: var(--zh-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.zh_service_link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--zh-font-heading);
    font-size: 14px;
    color: var(--zh-primary);
    text-transform: uppercase;
    transition: gap 0.3s;
}

.zh_service_link:hover {
    gap: 14px;
    color: var(--zh-primary);
}

/* === Feature / About Section === */
.zh_feature {
    padding: 100px 0;
    background: var(--zh-gray-100);
    border-top: 1px solid var(--zh-border);
    border-bottom: 1px solid var(--zh-border);
}

.zh_feature_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.zh_feature_image {
    position: relative;
    overflow: hidden;
}

.zh_feature_image img {
    width: 100%;
    height: auto;
    display: block;
}

.zh_feature_image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border-left: 4px solid var(--zh-primary);
    border-top: 4px solid var(--zh-primary);
    z-index: 1;
}

.zh_feature_image::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    border-right: 4px solid var(--zh-primary);
    border-bottom: 4px solid var(--zh-primary);
    z-index: 1;
}

.zh_feature_content h2 {
    font-family: var(--zh-font-heading);
    font-size: 42px;
    font-weight: 400;
    color: var(--zh-dark);
    line-height: 1.15;
    letter-spacing: -1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.zh_feature_content p {
    font-size: 16px;
    color: var(--zh-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.zh_feature_list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.zh_feature_list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: var(--zh-dark-secondary);
    border-bottom: 1px solid var(--zh-gray-200);
}

.zh_feature_list li i {
    color: var(--zh-primary);
    font-size: 14px;
    width: 20px;
}

/* === Steps Section === */
.zh_steps {
    padding: 100px 0;
    background: var(--zh-white);
}

.zh_steps_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.zh_steps_content h2 {
    font-family: var(--zh-font-heading);
    font-size: 42px;
    font-weight: 400;
    color: var(--zh-dark);
    line-height: 1.15;
    letter-spacing: -1px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.zh_step_item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--zh-gray-200);
}

.zh_step_num {
    font-family: var(--zh-font-heading);
    font-size: 14px;
    color: var(--zh-primary);
    width: 32px;
    height: 32px;
    border: 1px solid var(--zh-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.zh_step_text h4 {
    font-family: var(--zh-font-heading);
    font-size: 18px;
    font-weight: 400;
    color: var(--zh-dark);
    margin: 0 0 6px;
    text-transform: uppercase;
}

.zh_step_text p {
    font-size: 14px;
    color: var(--zh-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.zh_steps_stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.zh_stat_box {
    background: var(--zh-gray-100);
    border: 1px solid var(--zh-gray-200);
    padding: 40px 30px;
    text-align: center;
    transition: border-color 0.3s;
}

.zh_stat_box:hover {
    border-color: var(--zh-primary);
}

.zh_stat_box_num {
    font-family: var(--zh-font-heading);
    font-size: 60px;
    font-weight: 400;
    color: var(--zh-dark);
    line-height: 1;
    margin-bottom: 8px;
}

.zh_stat_box_num em {
    font-style: normal;
    color: var(--zh-primary);
}

.zh_stat_box_label {
    font-size: 14px;
    color: var(--zh-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === Category Infos Section === */
.zh_cat_infos {
    padding: 100px 0;
    background: var(--zh-gray-100);
    border-top: 1px solid var(--zh-border);
}

.zh_cat_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--zh-gray-200);
}

.zh_cat_name {
    display: flex;
    align-items: center;
    gap: 16px;
}

.zh_cat_icon {
    width: 48px;
    height: 48px;
    background: var(--zh-primary-light);
    border: 1px solid var(--zh-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--zh-primary);
    font-size: 20px;
}

.zh_cat_name h3 {
    font-family: var(--zh-font-heading);
    font-size: 30px;
    font-weight: 400;
    color: var(--zh-dark);
    margin: 0;
    text-transform: uppercase;
}

.zh_cat_more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--zh-font-heading);
    font-size: 14px;
    color: var(--zh-primary);
    text-transform: uppercase;
    transition: gap 0.3s;
}

.zh_cat_more:hover {
    gap: 14px;
    color: var(--zh-primary);
}

.zh_cat_section {
    margin-bottom: 60px;
}

.zh_cat_section:last-child {
    margin-bottom: 0;
}

/* Info Card */
.zh_info_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.zh_info_card {
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
    overflow: hidden;
    transition: all 0.3s;
    display: block;
    text-decoration: none;
}

.zh_info_card:hover {
    box-shadow: var(--zh-shadow-lg);
    border-color: var(--zh-primary);
}

.zh_info_card_img {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--zh-gray-100);
}

.zh_info_card_img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s;
}

.zh_info_card:hover .zh_info_card_img img {
    transform: scale(1.05);
}

.zh_info_card_cat {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--zh-primary);
    color: var(--zh-white);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.zh_info_card_body {
    padding: 20px;
}

.zh_info_card_title {
    font-family: var(--zh-font-heading);
    font-size: 16px;
    font-weight: 400;
    color: var(--zh-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zh_info_card_meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--zh-gray-500);
}

.zh_info_card_meta i {
    margin-right: 4px;
    color: var(--zh-primary);
}

/* Empty State */
.zh_empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
}

.zh_empty i {
    font-size: 48px;
    color: var(--zh-gray-300);
    margin-bottom: 16px;
}

.zh_empty p {
    font-size: 15px;
    color: var(--zh-gray-500);
    margin: 0;
}

/* === CTA Section === */
.zh_cta {
    padding: 100px 0;
    background: var(--zh-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.zh_cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(31,125,220,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31,125,220,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.zh_cta_inner {
    position: relative;
    z-index: 1;
}

.zh_cta h2 {
    font-family: var(--zh-font-heading);
    font-size: 50px;
    font-weight: 400;
    color: var(--zh-white);
    text-transform: uppercase;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.zh_cta p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.zh_cta_actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* === Responsive === */
@media (max-width: 1200px) {
    .zh_services_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .zh_info_grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .zh_hero_title {
        font-size: 40px;
    }
}

@media (max-width: 992px) {
    .zh_hero {
        min-height: auto;
    }
    .zh_hero_title {
        font-size: 34px;
    }
    .zh_feature_grid,
    .zh_steps_grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .zh_feature_content h2,
    .zh_steps_content h2 {
        font-size: 32px;
    }
    .zh_info_grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .zh_hero_inner {
        padding-top: 80px;
        padding-bottom: 60px;
    }
    .zh_hero_title {
        font-size: 28px;
    }
    .zh_hero_stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    .zh_hero_stat_num {
        font-size: 28px;
    }
    .zh_hero_actions {
        flex-direction: column;
    }
    .zh_hero_actions .zh_btn {
        text-align: center;
    }
    .zh_services,
    .zh_feature,
    .zh_steps,
    .zh_cat_infos,
    .zh_cta {
        padding: 60px 0;
    }
    .zh_services_grid {
        grid-template-columns: 1fr;
    }
    .zh_steps_stats {
        grid-template-columns: 1fr;
    }
    .zh_info_grid {
        grid-template-columns: 1fr;
    }
    .zh_cat_header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .zh_cta h2 {
        font-size: 32px;
    }
}

@media (max-width: 576px) {
    .zh_hero_title {
        font-size: 24px;
    }
    .zh_hero_stat_num {
        font-size: 24px;
    }
    .zh_section_title {
        font-size: 28px;
    }
}