/* ============================================================
   Профит-2 — Premium redesign
   ============================================================ */

:root {
    --color-bg: #0c0e14;
    --color-bg-2: #12151e;
    --color-bg-card: rgba(255, 255, 255, 0.04);
    --color-surface: #1a1f2e;
    --color-gold: #c9a962;
    --color-gold-light: #e8d5a3;
    --color-gold-dark: #9a7b3c;
    --color-accent: #e87a2e;
    --color-text: #e8eaef;
    --color-text-muted: #8b92a8;
    --color-border: rgba(201, 169, 98, 0.15);
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Manrope', system-ui, sans-serif;
    --header-h: 120px;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 169, 98, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(232, 122, 46, 0.05), transparent);
    pointer-events: none;
    z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Page Loader ---- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-text);
    display: block;
    text-align: center;
    margin-bottom: 24px;
}
.loader-logo span { color: var(--color-gold); }
.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}
.loader-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold));
    animation: loaderFill 1.2s ease forwards;
}
@keyframes loaderFill { to { width: 100%; } }

/* ---- Header ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition), transform 0.3s;
}
.site-header.is-scrolled {
    background: rgba(12, 14, 20, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.site-header.is-hidden { transform: translateY(-100%); }

.header-top {
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.8rem;
}
.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 24px;
}
.header-contacts { display: flex; gap: 24px; flex-wrap: wrap; }
.header-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}
.header-contact-item:hover { color: var(--color-gold); }
.header-badge {
    color: var(--color-gold);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.75rem;
}
.header-top-right {
    display: flex;
    align-items: center;
    gap: 20px;
}
.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}
.lang-link {
    color: var(--color-text-muted);
    text-transform: uppercase;
}
.lang-link:hover,
.lang-link.is-active { color: var(--color-gold); }
.lang-sep { color: var(--color-border); opacity: 0.6; }
.mobile-lang-switch {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    max-width: 320px;
    justify-content: center;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    color: inherit;
    flex-shrink: 0;
}
.logo:hover { color: inherit; }
.logo:hover .logo-accent { color: var(--color-gold-light, #e0c878); }
.logo-mark {
    width: 3px;
    height: 42px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--color-gold), var(--color-gold-dark));
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(201, 169, 98, 0.35);
}
.logo-text {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.logo-name {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1;
    letter-spacing: 0.03em;
}
.logo-accent {
    color: var(--color-gold);
    font-weight: 700;
    transition: color var(--transition);
}
.logo-tagline {
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1.3;
    max-width: 220px;
}

.main-nav { display: none; }
.nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
}
.nav-link {
    display: block;
    padding: 10px 18px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    position: relative;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}
.nav-link span { position: relative; z-index: 1; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition), left var(--transition);
}
.nav-link:hover, .nav-link.is-active { color: var(--color-gold-light); }
.nav-link.is-active::after { width: 60%; left: 20%; }

.burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    position: relative;
    z-index: 1003;
}
.burger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-gold);
    transition: transform 0.3s, opacity 0.3s;
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(12, 14, 20, 0.97);
    backdrop-filter: blur(30px);
    z-index: 1002;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: opacity 0.4s, visibility 0.4s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu-close {
    position: fixed;
    top: max(14px, env(safe-area-inset-top, 0px));
    right: max(14px, env(safe-area-inset-right, 0px));
    z-index: 2;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(201, 169, 98, 0.35);
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-gold);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.mobile-menu-close:hover {
    background: rgba(201, 169, 98, 0.12);
    border-color: var(--color-gold);
}
.mobile-menu-close span {
    position: absolute;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
}
.mobile-menu-close span:first-child { transform: rotate(45deg); }
.mobile-menu-close span:last-child { transform: rotate(-45deg); }
.mobile-menu-inner {
    width: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-h) + 28px) 24px max(32px, env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
}
.mobile-nav-list {
    list-style: none;
    text-align: center;
    width: 100%;
    max-width: 320px;
}
.mobile-nav-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-nav-list li:last-child { border-bottom: none; }
.mobile-nav-link {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 4.8vw, 1.75rem);
    color: var(--color-text);
    padding: 14px 8px;
    transition: color 0.3s, transform 0.3s;
}
.mobile-menu.is-open .mobile-nav-list li {
    animation: slideInNav 0.45s ease forwards;
    opacity: 0;
}
.mobile-menu.is-open .mobile-nav-list li:nth-child(1) { animation-delay: 0.05s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(2) { animation-delay: 0.1s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(3) { animation-delay: 0.15s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(4) { animation-delay: 0.2s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(5) { animation-delay: 0.25s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(6) { animation-delay: 0.3s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(7) { animation-delay: 0.35s; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(8) { animation-delay: 0.4s; }
@keyframes slideInNav {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-nav-link:hover { color: var(--color-gold); }
.mobile-contacts {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 320px;
    font-size: 0.9rem;
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: var(--header-h);
}
.hero-slider { position: absolute; inset: 0; }
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 1.2s ease, transform 8s ease;
}
.hero-slide.is-active {
    opacity: 1;
    transform: scale(1);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(12, 14, 20, 0.85) 0%,
        rgba(12, 14, 20, 0.5) 50%,
        rgba(12, 14, 20, 0.75) 100%
    );
}
.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201,169,98,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,169,98,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding: 80px 24px 120px;
}
.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 16px;
    padding: 6px 16px;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    animation: fadeUp 0.8s ease 0.3s both;
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.5s both;
}
.hero-title span { color: var(--color-gold); }
.hero-title .hero-brand {
    display: block;
    font-size: clamp(3.5rem, 10vw, 7rem);
    line-height: 1;
    margin-bottom: 16px;
}
.hero-title .hero-h1-keywords {
    display: block;
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 400;
    color: #d2d8e3;
    line-height: 1.5;
    max-width: 640px;
}
.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: #d2d8e3;
    max-width: 560px;
    margin-bottom: 40px;
    animation: fadeUp 0.8s ease 0.7s both;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: fadeUp 0.8s ease 0.9s both;
}
.hero-slider-nav {
    display: flex;
    gap: 10px;
    margin-top: 48px;
}
.hero-dot {
    width: 40px;
    height: 3px;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.3s, width 0.3s;
}
.hero-dot.is-active { background: var(--color-gold); width: 60px; }

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: #d2d8e3;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeUp 1s ease 1.2s both;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
    color: var(--color-bg);
    box-shadow: 0 8px 30px rgba(201, 169, 98, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(201, 169, 98, 0.4);
    color: var(--color-bg);
}
.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-ghost:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: rgba(201, 169, 98, 0.05);
}
.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}
.btn-outline:hover { background: var(--color-gold); color: var(--color-bg); }
.btn-sm { padding: 10px 20px; font-size: 0.75rem; }

/* ---- Layout ---- */
.site-main { position: relative; z-index: 1; }
.page-inner .site-main { padding-top: var(--header-h); }

.page-hero-inner {
    padding: 60px 0 40px;
    background: linear-gradient(180deg, var(--color-bg-2), var(--color-bg));
    border-bottom: 1px solid var(--color-border);
}
.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-text);
}
.page-subtitle { color: var(--color-text-muted); margin: 16px 0 32px; }

.layout-with-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}
.main-content { min-width: 0; }

/* ---- Sections ---- */
.section-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 8px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 16px;
}
.section-title-sm {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--color-gold-light);
}
.section-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    margin-bottom: 32px;
}
.content-section { margin-bottom: 60px; }
.content-block { color: var(--color-text-muted); }
.content-block p { margin-bottom: 1.2em; }
.content-block strong { color: var(--color-text); }
.lead-text { font-size: 1.15rem; color: var(--color-text); }

.user-text img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin: 24px auto;
}

.schema-image {
    margin-top: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}
.schema-image img { width: 100%; }

/* ---- Feature cards ---- */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}
.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 169, 98, 0.3);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.feature-icon {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gold);
    opacity: 0.5;
    margin-bottom: 16px;
}
.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 8px;
}
.feature-card p { color: var(--color-text-muted); font-size: 0.9rem; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 24px;
}
.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
}
.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-gold);
}
.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---- Sidebar ---- */
.sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(10px);
}
.sidebar-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--color-gold-light);
}
.sidebar-contacts { display: flex; flex-direction: column; gap: 16px; }
.sidebar-contact {
    position: relative;
    padding-left: 44px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    min-height: 32px;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: color var(--transition);
}
.sidebar-contact::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background-color: #e8d5a3;
    mask-image: var(--icon);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-image: var(--icon);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
}
.sidebar-contact-phone:hover { color: var(--color-gold-light); }
.sidebar-contact-email a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}
.sidebar-contact-email a:hover { color: var(--color-gold-light); }

.sidebar-gallery-thumb {
    display: block;
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
}
.sidebar-gallery-thumb img { width: 100%; transition: transform 0.5s; }
.sidebar-gallery-thumb:hover img { transform: scale(1.05); }
.thumb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12,14,20,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    color: var(--color-gold);
}
.sidebar-gallery-thumb:hover .thumb-overlay { opacity: 1; }
.sidebar-gallery-caption { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 16px; }

.sidebar-certs { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.sidebar-cert-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s;
}
.sidebar-cert-img:hover { transform: scale(1.02); }

/* ---- Articles ---- */
.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
.article-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color var(--transition), transform var(--transition);
}
.article-card:hover { border-color: rgba(201,169,98,0.3); transform: translateY(-2px); }
.article-card-image {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
}
.article-card-image img { width: 100%; transition: transform 0.5s; }
.article-card:hover .article-card-image img { transform: scale(1.03); }
.article-card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-gold-light);
    margin-bottom: 8px;
}
.article-card-desc { font-size: 0.9rem; color: var(--color-text-muted); }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-gold); }
.breadcrumb span[aria-hidden="true"] { opacity: 0.4; }

.article-detail-hero { margin-bottom: 32px; }
.article-detail-main {
    position: relative;
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}
.article-detail-main img { width: 100%; transition: transform 0.5s; }
.article-detail-main:hover img { transform: scale(1.02); }
.article-detail-zoom {
    position: absolute;
    right: 16px;
    bottom: 16px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(12, 14, 20, 0.75);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    opacity: 0;
    transition: opacity 0.3s;
}
.article-detail-main:hover .article-detail-zoom { opacity: 1; }

.article-detail-thumbs {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.article-detail-thumb {
    width: 96px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    opacity: 0.7;
    transition: border-color 0.3s, opacity 0.3s;
}
.article-detail-thumb.is-active,
.article-detail-thumb:hover {
    border-color: var(--color-gold);
    opacity: 1;
}
.article-detail-thumb img { width: 100%; }

.article-detail-text { margin-bottom: 40px; }
.article-detail-text ol {
    margin: 1em 0 1.2em 1.4em;
    color: var(--color-text-muted);
}
.article-detail-text li { margin-bottom: 0.5em; }

.section-heading {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-gold-light);
    margin-bottom: 24px;
}
.article-back { margin-top: 40px; }

.workflow-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 48px;
}
.workflow-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: var(--color-bg-card);
    border-left: 3px solid var(--color-gold);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.workflow-step span {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gold);
    opacity: 0.4;
    line-height: 1;
}
.workflow-step h4 { font-size: 1rem; margin-bottom: 4px; }
.workflow-step p { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---- Equipment ---- */
.equipment-list { display: flex; flex-direction: column; gap: 48px; }
.equipment-item h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--color-gold-light);
}
.equipment-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}
.equipment-image img { width: 100%; transition: transform 0.6s; }
.equipment-item:hover .equipment-image img { transform: scale(1.02); }

/* ---- News ---- */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
    transition: padding-left 0.3s;
}
.news-item:hover { padding-left: 12px; }
.news-date {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gold);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.news-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 8px;
}
.news-excerpt { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---- Contacts ---- */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 48px;
}
.contact-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color 0.3s, transform 0.3s;
}
.contact-card:hover { border-color: rgba(201,169,98,0.3); transform: translateY(-2px); }
.contact-card-icon { margin-bottom: 12px; opacity: 0.7; }
.contact-card h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: 8px;
}
.contact-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.contact-card a { color: var(--color-text); }
.contact-card a:hover { color: var(--color-gold); }

.map-section { margin-bottom: 48px; }
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.map-iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.feedback-form { max-width: 600px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-message {
    margin-top: 16px;
    font-size: 0.9rem;
    min-height: 24px;
}
.form-message.is-success { color: #4ade80; }
.form-message.is-error { color: #f87171; }

/* ---- Gallery & Certificates ---- */
.gallery-grid,
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.gallery-item,
.certificate-item {
    position: relative;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--color-border);
}
.gallery-item img,
.certificate-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.gallery-overlay,
.cert-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12,14,20,0.9), transparent 60%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.3s;
    color: var(--color-gold);
    text-align: center;
}
.gallery-overlay span { font-size: 0.75rem; margin-bottom: 8px; color: var(--color-text); }
.gallery-item:hover img,
.certificate-item:hover img { transform: scale(1.08); }
.gallery-item:hover .gallery-overlay,
.certificate-item:hover .cert-overlay { opacity: 1; }
.gallery-item.is-gallery-hidden { display: none; }
.gallery-item.gallery-item-reveal {
    animation: galleryItemReveal 0.45s ease forwards;
}
@keyframes galleryItemReveal {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.gallery-load-more-wrap {
    display: flex;
    justify-content: center;
    margin-top: 32px;
    padding-bottom: 8px;
}

.gallery-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}
.gallery-tab {
    position: relative;
    padding: 12px 22px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition);
}
.gallery-tab:hover { color: var(--color-text); }
.gallery-tab.is-active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}
.gallery-panel[hidden] { display: none !important; }
.gallery-videos {
    display: grid;
    gap: 28px;
}
.gallery-video-item {
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.35);
}
.gallery-video-item video {
    display: block;
    width: 100%;
    max-height: min(70vh, 720px);
    background: #000;
}
.gallery-video-caption {
    padding: 14px 18px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* ---- Lightbox ---- */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.lightbox-modal.is-open { opacity: 1; visibility: visible; }
.lightbox-content { max-width: 90vw; max-height: 90vh; text-align: center; }
.lightbox-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius);
}
.lightbox-caption { margin-top: 16px; color: var(--color-text-muted); }
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    padding: 16px;
    transition: color 0.3s;
    z-index: 1;
}
.lightbox-close { top: 16px; right: 16px; font-size: 2.5rem; }
.lightbox-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { color: var(--color-gold); }

/* ---- Reveal animations ---- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Footer ---- */
.site-footer {
    position: relative;
    background: var(--color-bg-2);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 32px;
    margin-top: 40px;
}
.footer-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-logo-text {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.1;
}
.footer-logo-text:hover { color: var(--color-text); }
.footer-logo-text .logo-accent { color: var(--color-gold); font-weight: 700; }
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.footer-stats { display: flex; gap: 32px; }
.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gold);
}
.stat-label { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.footer-nav h4, .footer-contacts h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 20px;
}
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--color-gold); }
.footer-contacts address { font-style: normal; }
.footer-contacts p { margin-bottom: 8px; font-size: 0.9rem; color: var(--color-text-muted); }
.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}
.footer-credit a { color: var(--color-text-muted); }

.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
    border: none;
    color: var(--color-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 900;
    box-shadow: 0 8px 24px rgba(201,169,98,0.3);
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); }

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,169,98,0.06), transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---- Responsive ---- */
@media (min-width: 768px) {
    .features-grid { grid-template-columns: repeat(3, 1fr); }
    .workflow-steps { grid-template-columns: repeat(2, 1fr); }
    .contacts-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr 1fr; }
    .gallery-grid, .certificates-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
    .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1024px) {
    :root { --header-h: 130px; }
    .main-nav { display: block; }
    .burger { display: none; }
    .layout-with-sidebar {
        grid-template-columns: 1fr 320px;
        gap: 48px;
    }
    .workflow-steps { grid-template-columns: repeat(4, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
    .layout-with-sidebar { grid-template-columns: 1fr 360px; }
}

@media (max-width: 767px) {
    .header-top { display: none; }
    :root { --header-h: 88px; }
    .logo-mark { height: 36px; }
    .logo-name { font-size: 1.25rem; }
    .logo-tagline {
        font-size: 0.55rem;
        letter-spacing: 0.1em;
        max-width: 180px;
    }
    .hero { min-height: 85vh; }
    .hero-scroll { display: none; }
    .header-contacts { display: none; }
    body.menu-open .site-header {
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
    }
    body.menu-open .site-header .logo {
        visibility: hidden;
    }
}