/* ============================================================
   VINHOMES SAIGON PARK – MAIN.CSS
   ============================================================ */

/* ── HEADER ── */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; transition: var(--transition); }

.header-top {
    background: var(--color-dark);
    padding: 6px 0;
    font-size: .8rem;
}
.header-top__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.header-top__contact { display: flex; align-items: center; gap: 20px; }
.header-top__phone {
    color: var(--color-gold);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 5px;
}
.header-top__phone:hover { color: var(--color-gold-light); }
.header-top__working { color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 5px; }
.header-top__social { display: flex; gap: 10px; }
.social-link { color: rgba(255,255,255,.5); display: flex; align-items: center; transition: var(--transition); }
.social-link:hover { color: var(--color-gold); }

.header-main {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
    transition: var(--transition);
}
.header-main.scrolled { padding: 8px 0; box-shadow: var(--shadow-md); }
.header-main__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

/* Site branding / logo */
.site-branding .custom-logo { height: 60px; width: auto; }
.site-branding .site-name { font-family: var(--font-secondary); font-weight: 700; font-size: 1.4rem; color: var(--color-primary); }

/* Navigation */
.nav-list { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-list li { position: relative; }
.nav-list > li > a {
    display: block;
    padding: 8px 14px;
    font-weight: 600;
    font-size: .85rem;
    color: var(--color-dark);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-list > li > a:hover,
.nav-list > li.current-menu-item > a { color: var(--color-primary); background: var(--color-bg-light); }

/* Dropdown */
.nav-list .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    border-top: 3px solid var(--color-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    padding: 8px 0;
}
.nav-list li:hover > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu li a { display: block; padding: 9px 18px; font-size: .85rem; color: var(--color-text); transition: var(--transition); }
.sub-menu li a:hover { color: var(--color-primary); background: var(--color-bg-light); padding-left: 24px; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-cta { padding: 10px 22px; font-size: .8rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 32px; padding: 4px; }
.hamburger span { display: block; height: 2px; background: var(--color-dark); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Floating buttons */
.floating-actions { position: fixed; bottom: 30px; right: 24px; z-index: 900; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.float-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 50px;
    font-weight: 600;
    font-size: .8rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    white-space: nowrap;
}
.float-phone { background: var(--color-primary); color: var(--color-white); }
.float-phone:hover { background: var(--color-secondary); transform: translateX(-4px); }
.float-zalo { background: #0084ff; color: var(--color-white); }
.float-zalo:hover { background: #006fd6; transform: translateX(-4px); }
.float-btn__icon { font-size: 1.1rem; display: flex; align-items: center; }

/* ── HERO ── */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 116px;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-video { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,30,15,.78) 0%, rgba(10,30,15,.45) 60%, rgba(10,30,15,.62) 100%);
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    padding: 60px 20px;
    max-width: 960px;
    margin-inline: auto;
}
.hero-badge { margin-bottom: 20px; }
.hero-title {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    color: var(--color-white);
    font-weight: 800;
    margin-bottom: 18px;
    text-shadow: 0 2px 20px rgba(0,0,0,.4);
    letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    color: rgba(255,255,255,.88);
    max-width: 680px;
    margin: 0 auto 36px;
    font-weight: 400;
}
.hero-stats {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--radius-md);
    padding: 14px 24px;
    min-width: 120px;
}
.hero-stat__num { font-size: 1.5rem; font-weight: 800; color: var(--color-gold); line-height: 1; }
.hero-stat__label { font-size: .75rem; color: rgba(255,255,255,.75); margin-top: 4px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-lg { padding: 16px 40px; font-size: 1rem; }

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.6);
    font-size: .75rem;
    animation: bounce 2s infinite;
}
.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255,255,255,.6);
    border-bottom: 2px solid rgba(255,255,255,.6);
    transform: rotate(45deg);
}
@keyframes bounce { 0%,20%,50%,80%,100%{transform:translateX(-50%) translateY(0)} 40%{transform:translateX(-50%) translateY(-12px)} 60%{transform:translateX(-50%) translateY(-6px)} }

/* ── INTRO ── */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.intro-text .subtitle { color: var(--color-primary); font-size: .75rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; display: block; margin-bottom: 12px; }
.intro-text h2 { margin-bottom: 20px; }
.intro-text h2 em { color: var(--color-primary); font-style: normal; }
.intro-lead { font-size: 1.05rem; color: var(--color-text); margin-bottom: 14px; }

.intro-image-stack { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.intro-image-stack img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.intro-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--color-white);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
}
.intro-image-badge span { display: block; font-weight: 700; font-size: 1rem; color: var(--color-primary); }
.intro-image-badge small { color: var(--color-text-light); font-size: .75rem; }

/* ── OVERVIEW TABLE ── */
.overview-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.overview-table-wrap { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.overview-table { width: 100%; border-collapse: collapse; }
.overview-table th,
.overview-table td { padding: 13px 18px; text-align: left; font-size: .9rem; border-bottom: 1px solid var(--color-border); }
.overview-table th { background: var(--color-bg-light); font-weight: 600; color: var(--color-dark); width: 40%; }
.overview-table td { color: var(--color-text); }
.overview-table tr:last-child th,
.overview-table tr:last-child td { border-bottom: none; }
.overview-table tr:hover td { background: rgba(26,107,60,.04); }

/* ── PRODUCTS ── */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card--featured { border-color: var(--color-gold); border-width: 2px; }

.product-card__featured-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-gold);
    color: var(--color-dark);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 2;
}
.product-card__image { position: relative; overflow: hidden; }
.product-card__image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-card__image img { transform: scale(1.06); }
.product-card__badge { position: absolute; top: 16px; left: 16px; font-size: .7rem; }

.product-card__body { padding: 24px; }
.product-card__body h3 { font-size: 1.2rem; margin-bottom: 14px; color: var(--color-dark); }

.product-specs { margin-bottom: 20px; display: flex; flex-direction: column; gap: 7px; }
.product-specs li { display: flex; align-items: flex-start; gap: 8px; font-size: .88rem; color: var(--color-text); }
.product-specs li svg { color: var(--color-primary); margin-top: 3px; flex-shrink: 0; }

.product-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 16px; padding: 12px 0; border-top: 1px solid var(--color-border); }
.price-label { font-size: .8rem; color: var(--color-text-light); }
.price-value { font-size: 1.3rem; font-weight: 800; color: var(--color-primary); font-family: var(--font-secondary); }
.btn-block { width: 100%; justify-content: center; }

/* ── ADVANTAGES ── */
.advantages-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: rgba(255,255,255,.05); }
.advantage-item {
    background: var(--color-dark-2);
    padding: 48px 40px;
    transition: var(--transition);
}
.advantage-item:hover { background: rgba(255,255,255,.05); }
.advantage-item__icon { font-size: 2.5rem; margin-bottom: 16px; }
.advantage-item__content h3 { color: var(--color-white); margin-bottom: 12px; font-size: 1.3rem; }
.advantage-item__content p { color: rgba(255,255,255,.7); margin-bottom: 20px; }
.advantage-item__image { border-radius: var(--radius-md); overflow: hidden; }
.advantage-item__image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* ── LOCATION ── */
.location-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.distance-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}
.distance-item:last-child { border-bottom: none; }
.distance-item__time {
    min-width: 100px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--color-primary);
    font-family: var(--font-secondary);
    padding-top: 2px;
}
.distance-item__detail h4 { font-size: 1rem; margin-bottom: 4px; color: var(--color-dark); }
.distance-item__detail p { font-size: .88rem; margin: 0; color: var(--color-text-light); }

.location-map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: sticky; top: 120px; }
.location-map img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── INFRA TABS ── */
.infra-tabs__nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 4px;
}
.infra-tab {
    padding: 10px 20px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    font-weight: 600;
    font-size: .85rem;
    color: var(--color-text-light);
    border: 1px solid transparent;
    border-bottom: none;
    cursor: pointer;
    transition: var(--transition);
    background: transparent;
    font-family: var(--font-primary);
}
.infra-tab:hover { color: var(--color-primary); background: var(--color-bg-light); }
.infra-tab.active { color: var(--color-primary); background: var(--color-white); border-color: var(--color-border); box-shadow: 0 -2px 0 var(--color-primary); }

.infra-panel { display: none; }
.infra-panel.active { display: block; animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.infra-panel__inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.infra-info h3 { font-size: 1.5rem; margin-bottom: 20px; color: var(--color-dark); }
.infra-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.infra-spec {
    background: var(--color-bg-light);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}
.infra-spec span { display: block; font-size: .75rem; color: var(--color-text-light); margin-bottom: 4px; }
.infra-spec strong { font-size: .9rem; color: var(--color-dark); }
.infra-image { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.infra-image img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }

/* ── GALLERY ── */
.gallery-section .section-header h2 { color: var(--color-white); }
.gallery-swiper { border-radius: var(--radius-lg); overflow: hidden; }
.swiper-slide { position: relative; }
.swiper-slide img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.gallery-slide__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,.6));
    color: var(--color-white);
    padding: 30px 20px 16px;
    font-size: .9rem;
}
.swiper-button-prev, .swiper-button-next { color: var(--color-white) !important; }
.swiper-button-prev::after, .swiper-button-next::after { font-size: 1.2rem !important; }
.swiper-pagination-bullet { background: rgba(255,255,255,.5) !important; }
.swiper-pagination-bullet-active { background: var(--color-gold) !important; }

/* ── CONTACT ── */
.contact-section { background: var(--color-bg-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info .subtitle { color: var(--color-primary); font-size: .75rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; display: block; margin-bottom: 12px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-features { margin: 24px 0; display: flex; flex-direction: column; gap: 10px; }
.contact-feature { font-size: .92rem; color: var(--color-text); }
.contact-direct { margin-top: 28px; }

.contact-form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    border-top: 4px solid var(--color-primary);
}
.contact-form-card h3 { margin-bottom: 24px; color: var(--color-dark); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--color-dark); margin-bottom: 6px; }
.form-group label span { color: #e53e3e; }
.form-input {
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-family: var(--font-primary);
    color: var(--color-text);
    transition: var(--transition);
    background: var(--color-white);
}
.form-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26,107,60,.12); }
select.form-input { cursor: pointer; }
textarea.form-input { resize: vertical; min-height: 90px; }
.vsp-submit-btn { margin-top: 6px; }
.form-message { padding: 12px 16px; border-radius: var(--radius-sm); font-size: .9rem; margin-top: 12px; }
.form-message.success { background: #e6f4eb; color: var(--color-primary); border: 1px solid var(--color-secondary); }
.form-message.error { background: #fff5f5; color: #e53e3e; border: 1px solid #fed7d7; }
.form-privacy { font-size: .78rem; color: var(--color-text-light); text-align: center; margin-top: 14px; margin-bottom: 0; }

/* ── MAP ── */
.map-section { overflow: hidden; }
.map-container iframe { display: block; }

/* ── FOOTER ── */
.footer-cta {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
    padding: 60px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-cta__content .subtitle { color: var(--color-gold); font-size: .75rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; display: block; margin-bottom: 10px; }
.footer-cta__content h2 { color: var(--color-white); font-size: 2rem; margin-bottom: 8px; }
.footer-cta__content p { color: rgba(255,255,255,.6); margin: 0; }
.footer-cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.footer-widgets { background: var(--color-dark); padding: 70px 0 50px; }
.footer-widgets__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; }

.footer-col--brand .footer-logo .custom-logo { height: 60px; filter: brightness(0) invert(1); margin-bottom: 14px; }
.footer-site-name { font-family: var(--font-secondary); font-size: 1.3rem; color: var(--color-white); font-weight: 700; }
.footer-tagline { color: rgba(255,255,255,.5); font-size: .85rem; margin: 10px 0 20px; }

.footer-contact-info { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: .85rem; color: rgba(255,255,255,.6); }
.footer-contact-item svg { color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }
.footer-contact-item a { color: rgba(255,255,255,.6); }
.footer-contact-item a:hover { color: var(--color-gold); }

.footer-social { display: flex; gap: 10px; }
.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.7);
    transition: var(--transition);
}
.social-icon:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-3px); }
.social-icon--facebook:hover { background: #1877f2; }
.social-icon--youtube:hover { background: #ff0000; }
.social-icon--tiktok:hover { background: #000000; }

.footer-col__title { font-size: .85rem; font-weight: 700; color: var(--color-white); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.footer-col__title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--color-gold); }
.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav li a { color: rgba(255,255,255,.5); font-size: .88rem; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-nav li a::before { content: '›'; color: var(--color-gold); }
.footer-nav li a:hover { color: var(--color-white); padding-left: 6px; }

.footer-newsletter p { color: rgba(255,255,255,.5); font-size: .88rem; margin-bottom: 16px; }
.newsletter-form { display: flex; flex-direction: column; gap: 10px; }
.newsletter-form .form-input { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); color: var(--color-white); }
.newsletter-form .form-input::placeholder { color: rgba(255,255,255,.3); }
.newsletter-form .form-input:focus { border-color: var(--color-primary); }
.newsletter-form .form-note { font-size: .78rem; color: rgba(255,255,255,.35); text-align: center; margin: 0; }

.footer-bottom { background: var(--color-dark-2); padding: 18px 0; }
.footer-bottom__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-copyright { font-size: .82rem; color: rgba(255,255,255,.35); margin: 0; }
.footer-disclaimer { font-size: .78rem; color: rgba(255,255,255,.25); margin: 0; }

/* ── PAGE / SINGLE ── */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: 140px 0 60px;
    text-align: center;
    color: var(--color-white);
}
.page-hero h1 { color: var(--color-white); margin-bottom: 12px; }
.page-content { padding: 60px 0; }
.page-content .container { max-width: 900px; }
.entry-content h2, .entry-content h3 { color: var(--color-dark); margin: 2rem 0 1rem; }
.entry-content p { margin-bottom: 1.2rem; }
.entry-content ul, .entry-content ol { margin: 1rem 0 1.2rem 2rem; }
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li { margin-bottom: .5rem; color: var(--color-text-light); }
.entry-content img { border-radius: var(--radius-md); margin: 1.5rem 0; }
.entry-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.entry-content table th, .entry-content table td { padding: 10px 14px; border: 1px solid var(--color-border); text-align: left; }
.entry-content table th { background: var(--color-bg-light); font-weight: 600; }

/* ── POST META ── */
.post-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: .85rem; color: var(--color-text-light); margin-bottom: 24px; }
.post-meta a { color: var(--color-primary); }

/* ── SIDEBAR ── */
.content-sidebar { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.widget { background: var(--color-white); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); margin-bottom: 24px; }
.widget-title { font-size: .9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--color-dark); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--color-primary); }

/* ── BREADCRUMBS ── */
.breadcrumbs { padding: 10px 0; }
.breadcrumbs__list { display: flex; gap: 8px; flex-wrap: wrap; font-size: .85rem; }
.breadcrumbs__item { color: var(--color-text-light); }
.breadcrumbs__item a { color: var(--color-primary); }
.breadcrumbs__item + .breadcrumbs__item::before { content: '/'; margin-right: 8px; }

/* ── 404 ── */
.error-404 { text-align: center; padding: 140px 0 80px; }
.error-404 h1 { font-size: 8rem; color: var(--color-primary); line-height: 1; margin-bottom: 0; }
.error-404 h2 { font-size: 1.8rem; margin-bottom: 16px; }
.error-404 p { margin-bottom: 30px; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-widgets__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
    .intro-grid { grid-template-columns: 1fr; }
    .intro-visual { order: -1; }
    .overview-tables { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .location-grid { grid-template-columns: 1fr; }
    .location-map { position: static; }
    .contact-grid { grid-template-columns: 1fr; }
    .infra-panel__inner { grid-template-columns: 1fr; }
    .footer-cta__inner { flex-direction: column; text-align: center; }
    .footer-cta__actions { justify-content: center; }
}

@media (max-width: 768px) {
    .header-top { display: none; }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(300px, 85vw);
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: 80px 24px 24px;
        overflow-y: auto;
        transition: right .35s ease;
        z-index: 999;
    }
    .main-nav.open { right: 0; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-list > li > a { padding: 12px 0; border-bottom: 1px solid var(--color-border); border-radius: 0; }
    .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 0 16px; border-top: 1px solid var(--color-border); }
    .hamburger { display: flex; }
    .header-cta { display: none; }
    .hero-stats { gap: 12px; }
    .hero-stat { min-width: 90px; padding: 10px 14px; }
    .products-grid { grid-template-columns: 1fr; }
    .infra-tabs__nav { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0; }
    .infra-tab { white-space: nowrap; }
    .footer-widgets__inner { grid-template-columns: 1fr; }
    .footer-bottom__inner { flex-direction: column; text-align: center; }
    .section { padding: 60px 0; }
    .floating-actions { bottom: 20px; right: 14px; }
    .float-btn__label { display: none; }
    .float-btn { padding: 12px; border-radius: 50%; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .advantages-grid { grid-template-columns: 1fr; }
    .advantage-item { padding: 30px 24px; }
    .contact-form-card { padding: 24px 18px; }
}