/* PK46 multipage site */

:root {
    --primary-color: #c62828;
    --primary-dark: #8e1d1d;
    --primary-soft: rgba(198, 40, 40, 0.12);
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --dark-soft: #374151;
    --text-color: #334155;
    --muted-color: #64748b;
    --surface-color: #ffffff;
    --surface-soft: #f8fafc;
    --border-color: rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.18);
    --radius-sm: 16px;
    --radius-md: 22px;
    --radius-lg: 32px;
    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: 86px;
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background:
        radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

p {
    color: var(--muted-color);
}

.section-spacing {
    padding: 5.5rem 0;
}

.section-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.section-chip.is-light {
    background: var(--primary-soft);
    border-color: rgba(198, 40, 40, 0.08);
    color: var(--primary-color);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 2.5rem;
}

.section-heading h2,
.section-heading h1 {
    color: var(--dark-color);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-heading p {
    font-size: 1.05rem;
    margin-bottom: 0;
}

.navbar {
    background: rgba(22, 28, 36, 0.82) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.navbar.navbar-scrolled {
    background: rgba(22, 28, 36, 0.95) !important;
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.2);
    border-color: rgba(255, 255, 255, 0.05);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff !important;
}

.brand-logo {
    width: auto;
    height: 42px;
}

.navbar-nav {
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-link {
    position: relative;
    padding: 0.55rem 0.85rem !important;
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: color var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 0.85rem;
    right: 0.85rem;
    bottom: 0.25rem;
    height: 2px;
    border-radius: 999px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.is-active {
    color: #fff !important;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.is-active::after {
    transform: scaleX(1);
}

.navbar .btn-danger {
    white-space: nowrap;
}

.hero-section {
    position: relative;
    min-height: calc(100vh - 86px);
    display: flex;
    align-items: center;
    padding: 4rem 0;
    color: #fff;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.92), rgba(31, 41, 55, 0.7));
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(17, 24, 39, 0.78), rgba(17, 24, 39, 0.2));
    z-index: 1;
}

.hero-slideshow {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0;
    animation: heroFade 12s infinite;
}

.hero-slide.slide-1 {
    background-image: url('../images/A1.jpg');
    animation-delay: 0s;
}

.hero-slide.slide-2 {
    background-image: url('../images/A2.jpg');
    animation-delay: 6s;
}

.hero-content,
.hero-panel {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(2.7rem, 5vw, 4.75rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin: 1.35rem 0 1.15rem;
}

.hero-content .lead {
    max-width: 640px;
    font-size: 1.25rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 1.8rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-panel {
    padding: 1.9rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: var(--shadow-lg);
}

.hero-panel h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
}

.hero-checklist {
    display: grid;
    gap: 0.85rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.86);
}

.hero-checklist i {
    margin-top: 0.25rem;
    color: var(--accent-color);
}

.metric-card {
    height: 100%;
    padding: 1.6rem;
    border-radius: var(--radius-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.metric-card:hover,
.feature-card:hover,
.product-card:hover,
.service-card:hover,
.info-card:hover,
.process-step:hover,
.detail-card:hover,
.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
}

.metric-card .metric-icon,
.feature-card .metric-icon,
.service-card .metric-icon,
.info-card .metric-icon,
.contact-card .metric-icon {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: var(--primary-soft);
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.metric-card h3,
.feature-card h3,
.product-card h3,
.service-card h3,
.info-card h3,
.detail-card h3,
.contact-card h3 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 0.7rem;
}

.feature-card,
.service-card,
.info-card,
.process-step,
.contact-card,
.detail-card,
.aside-card,
.catalog-callout,
.contact-panel {
    height: 100%;
    padding: 1.7rem;
    border-radius: var(--radius-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card p,
.service-card p,
.info-card p,
.process-step p,
.contact-card p,
.detail-card p,
.catalog-callout p,
.contact-panel p {
    margin-bottom: 0;
}

.product-card {
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.product-card .product-image {
    position: relative;
    height: 230px;
    overflow: hidden;
}

.product-card .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.04);
}

.product-card .product-body {
    padding: 1.55rem;
}

.product-card .product-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.38rem 0.7rem;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
}

.product-card p {
    min-height: 72px;
}

.product-list {
    display: grid;
    gap: 0.55rem;
    margin: 1rem 0 0;
    padding-left: 1.2rem;
    color: var(--muted-color);
}

.product-list li::marker,
.detail-list li::marker,
.quality-list li::marker,
.small-list li::marker {
    color: var(--primary-color);
}

.page-hero {
    position: relative;
    padding: 5.2rem 0 3.4rem;
    color: #fff;
    background:
        linear-gradient(140deg, rgba(17, 24, 39, 0.96), rgba(55, 65, 81, 0.92)),
        url('../images/A2.jpg') center/cover no-repeat;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: auto -5rem -8rem auto;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.3), transparent 70%);
}

.page-hero .section-heading h1,
.page-hero .section-heading p {
    color: #fff;
}

.breadcrumb-wrap {
    margin-bottom: 1.4rem;
}

.breadcrumb {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.breadcrumb-item,
.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.72);
}

.breadcrumb-item.active {
    color: #fff;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.4);
}

.page-intro-grid {
    display: grid;
    gap: 1.5rem;
}

.page-intro-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.page-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.company-gallery {
    position: relative;
    min-height: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.company-slide {
    position: absolute;
    inset: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0;
    transition: opacity 500ms ease-in-out;
}

.company-slide.is-active {
    opacity: 1;
}

.company-slide.is-1 { background-image: url('../images/home-company/company-1.png'); }
.company-slide.is-2 { background-image: url('../images/home-company/company-2.png'); }
.company-slide.is-3 { background-image: url('../images/home-company/company-3.png'); }
.company-slide.is-4 { background-image: url('../images/home-company/company-4.png'); }
.company-slide.is-5 { background-image: url('../images/home-company/company-5.png'); }
.company-slide.is-6 { background-image: url('../images/home-company/company-6.png'); }

.company-gallery-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    color: #fff;
    background: rgba(17, 24, 39, 0.55);
    backdrop-filter: blur(4px);
    transition: background-color var(--transition), transform var(--transition);
}

.company-gallery-control:hover {
    background: rgba(17, 24, 39, 0.75);
}

.company-gallery-control.is-prev {
    left: 0.9rem;
}

.company-gallery-control.is-next {
    right: 0.9rem;
}

.company-gallery-dots {
    position: absolute;
    left: 50%;
    bottom: 0.9rem;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 0.55rem;
}

.company-gallery-dot {
    width: 10px;
    height: 10px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    transition: background-color var(--transition), transform var(--transition);
}

.company-gallery-dot.is-active {
    background: #fff;
    transform: scale(1.2);
}

.small-list,
.detail-list,
.quality-list {
    display: grid;
    gap: 0.7rem;
    margin: 0;
    padding-left: 1.1rem;
    color: var(--muted-color);
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 1.6rem;
}

.aside-card {
    position: sticky;
    top: 105px;
}

.aside-card h3 {
    color: var(--dark-color);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.aside-card .btn {
    width: 100%;
}

.sidebar-desc p {
    font-size: 1.05rem;
    line-height: 1.7;
}

.btn {
    border-radius: 999px;
    padding: 0.85rem 1.3rem;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-danger {
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 16px 30px rgba(198, 40, 40, 0.24);
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-danger {
    border: 1px solid rgba(198, 40, 40, 0.28);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-danger:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.btn-light-solid {
    background: #fff;
    color: var(--dark-color);
    border: 1px solid #fff;
}

.btn-light-solid:hover {
    color: var(--dark-color);
    background: #f8fafc;
    border-color: #f8fafc;
}

.cta-banner {
    position: relative;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(198, 40, 40, 0.96), rgba(142, 29, 29, 0.96)),
        url('../images/A3.jpg') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.12), rgba(15, 23, 42, 0.32));
}

.cta-banner > * {
    position: relative;
    z-index: 1;
}

.cta-banner h2 {
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.8rem;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 1.25rem;
}

.contact-panel {
    background:
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.contact-link {
    color: var(--primary-color);
    font-weight: 700;
}

.site-footer {
    margin-top: 5rem;
    padding: 4rem 0 2rem;
    color: rgba(255, 255, 255, 0.8);
    background:
        radial-gradient(circle at top left, rgba(245, 158, 11, 0.14), transparent 22%),
        linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

.site-footer p,
.site-footer a {
    color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
    color: #fff;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: #fff !important;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.65rem;
}

.footer-links li {
    line-height: 1.4;
}

.footer-contact {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.3rem;
}

.footer-contact a {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.95rem;
}

#backToTop {
    opacity: 0;
    visibility: hidden;
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 1050;
    border: none;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 18px 30px rgba(198, 40, 40, 0.28);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

#backToTop:hover {
    transform: translateY(-3px);
}

.text-primary-soft {
    color: var(--primary-color);
}

.surface-soft {
    background: var(--surface-soft);
}

@keyframes heroFade {
    0% {
        opacity: 0;
    }

    6% {
        opacity: 1;
    }

    28% {
        opacity: 1;
    }

    34% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

@media (max-width: 991.98px) {
    body {
        padding-top: 80px;
    }

    .navbar-nav {
        align-items: stretch;
        gap: 0.2rem;
        margin-top: 1rem;
    }

    .navbar .btn-danger {
        margin-top: 0.65rem;
    }

    .hero-section {
        min-height: auto;
        padding: 5rem 0 4rem;
    }

    .hero-content h1 {
        font-size: clamp(2.5rem, 9vw, 4rem);
    }

    .hero-panel {
        margin-top: 2rem;
    }

    .company-gallery {
        min-height: 340px;
    }

    .detail-layout {
        grid-template-columns: 1fr;
    }

    .aside-card {
        position: static;
    }
}

@media (max-width: 767.98px) {
    .section-spacing {
        padding: 4rem 0;
    }

    .hero-actions,
    .cta-banner .d-flex {
        flex-direction: column;
        align-items: stretch !important;
    }

    .company-gallery {
        min-height: 260px;
    }

    .hero-panel,
    .feature-card,
    .service-card,
    .info-card,
    .process-step,
    .contact-card,
    .detail-card,
    .aside-card,
    .catalog-callout,
    .contact-panel {
        padding: 1.35rem;
    }

    .product-card .product-image {
        height: 210px;
    }

    #backToTop {
        right: 1rem;
        bottom: 1rem;
    }
}
.form-shell {
    position: relative;
}

.contact-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.form-full-width {
    grid-column: 1 / -1;
}

.form-submit-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.contact-form-note {
    color: var(--muted-color);
    font-size: 0.95rem;
}

.form-status {
    margin-bottom: 1rem;
    padding: 1rem 1.1rem;
    border-radius: 16px;
    border: 1px solid transparent;
    font-weight: 500;
}

.form-status-success {
    background: rgba(25, 135, 84, 0.12);
    border-color: rgba(25, 135, 84, 0.2);
    color: #166534;
}

.form-status-error {
    background: rgba(198, 40, 40, 0.12);
    border-color: rgba(198, 40, 40, 0.18);
    color: #991b1b;
}

.honeypot-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.contact-panel .form-control {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 14px;
    padding: 0.9rem 1rem;
    min-height: 52px;
    background: #fff;
}

.contact-panel textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.contact-panel .form-control:focus {
    border-color: rgba(198, 40, 40, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(198, 40, 40, 0.12);
}

@media (max-width: 767.98px) {
    .contact-form-grid {
        grid-template-columns: 1fr;
    }

    .form-submit-row {
        flex-direction: column;
        align-items: stretch;
    }
}

.required-mark {
    color: var(--primary-color);
}

.contact-panel select.form-control {
    appearance: auto;
    padding-right: 2.75rem;
    cursor: pointer;
}

.contact-panel .form-control.is-invalid {
    border-color: rgba(198, 40, 40, 0.45);
}