:root {
    --ink: #0a1420;
    --ink-2: #0f1e30;
    --steel: #1e5cbf;
    --steel-bright: #3a82e6;
    --amber: #2f7be0;
    --amber-soft: #8fbcf5;
    --paper: #ffffff;
    --mist: #f1f4f9;
    --mist-2: #e5ebf3;
    --line: #d9e1ec;
    --text: #131c28;
    --muted: #56637a;
    --muted-light: rgba(255,255,255,0.74);
    --r-lg: 16px;
    --r-md: 12px;
    --r-sm: 8px;
    --shadow: 0 18px 46px rgba(9,26,50,0.10);
    --shadow-sm: 0 6px 20px rgba(9,26,50,0.07);
    --ease: 0.28s cubic-bezier(0.4, 0, 0.15, 1);
    --grid: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500;
    font-size: 16.5px;
    color: var(--text);
    background: var(--paper);
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.18;
    color: var(--ink);
    letter-spacing: -0.02em;
}

p { color: var(--muted); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--steel); color: #fff; }

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 26px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 15px 30px;
    border-radius: var(--r-sm);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--ease);
    white-space: nowrap;
    line-height: 1;
}

.btn svg { transition: transform var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary { background: var(--steel); color: #fff; box-shadow: 0 8px 22px rgba(30,92,191,0.28); }
.btn-primary:hover { background: var(--steel-bright); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(30,92,191,0.36); }

.btn-steel { background: var(--steel); color: #fff; }
.btn-steel:hover { background: var(--steel-bright); transform: translateY(-2px); }

.btn-outline-light { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.28); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn-block { width: 100%; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--steel);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.eyebrow::before {
    content: "";
    width: 26px;
    height: 2px;
    background: var(--amber);
    display: inline-block;
}
.bg-navy .eyebrow, .hero .eyebrow, .cta-section .eyebrow { color: var(--amber-soft); }

.section { padding: 96px 0; }
.section-header { max-width: 660px; margin-bottom: 54px; }
.section-header h2 { font-size: clamp(30px, 4vw, 42px); }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-header.center .eyebrow { justify-content: center; }

.bg-light { background: var(--mist); }
.bg-navy { background: var(--ink); color: #fff; }
.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4 { color: #fff; }
.bg-navy p { color: var(--muted-light); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.88);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow var(--ease);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 26px;
    max-width: 1240px;
    margin: 0 auto;
    gap: 20px;
}
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 50px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    font-weight: 600;
    font-size: 15.5px;
    color: var(--ink);
    padding: 9px 15px;
    border-radius: var(--r-sm);
    position: relative;
    transition: var(--ease);
}
.main-nav a:hover { color: var(--steel); background: var(--mist); }
.main-nav a.active { color: var(--steel); }
.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 15px; right: 15px; bottom: 3px;
    height: 2px;
    background: var(--amber);
    border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-phone {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 700;
    color: var(--ink);
    font-size: 15.5px;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    transition: var(--ease);
}
.header-phone:hover { background: var(--mist); }
.header-phone svg { color: var(--steel); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 26px; height: 2.5px;
    background: var(--ink);
    border-radius: 2px;
    transition: var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.hero {
    position: relative;
    background-color: var(--ink);
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(8,16,26,0.97) 0%, rgba(9,20,34,0.9) 40%, rgba(9,20,34,0.55) 72%, rgba(9,20,34,0.32) 100%);
    z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-content {
    max-width: 640px;
    padding: 110px 0 120px;
}
.hero h1 {
    color: #fff;
    font-size: clamp(34px, 5vw, 56px);
    margin-bottom: 22px;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero p {
    color: rgba(255,255,255,0.82);
    font-size: 18px;
    margin-bottom: 34px;
    max-width: 540px;
}
.hero-actions { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 42px; }

.hero-meta {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.16);
}
.hero-meta-item { display: flex; flex-direction: column; }
.hero-meta-item strong { font-size: 30px; color: #fff; font-weight: 800; letter-spacing: -0.02em; }
.hero-meta-item span { font-size: 13.5px; color: rgba(255,255,255,0.68); font-weight: 600; }

.feature-strip { background: var(--ink-2); }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 0;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 32px 30px;
    border-right: 1px solid rgba(255,255,255,0.09);
    transition: var(--ease);
}
.feature-item:last-child { border-right: none; }
.feature-item:hover { background: rgba(255,255,255,0.03); }
.feature-icon {
    width: 50px; height: 50px;
    border-radius: 12px;
    background: rgba(58,130,230,0.16);
    color: var(--steel-bright);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.feature-item h4 { font-size: 16px; margin-bottom: 2px; color: #fff; }
.feature-item span { font-size: 14px; color: rgba(255,255,255,0.62); font-weight: 500; }

.category-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: flex-end;
    margin-bottom: 50px;
}
.category-intro h2 { font-size: clamp(28px, 3.6vw, 40px); }
.category-intro p { margin-bottom: 16px; font-size: 16.5px; }

.cat-block { margin-bottom: 58px; }
.cat-block:last-child { margin-bottom: 0; }
.cat-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}
.cat-head .cat-ic {
    width: 46px; height: 46px;
    border-radius: 11px;
    background: var(--mist);
    color: var(--steel);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.cat-head h3 { font-size: 21px; }
.cat-head p { font-size: 14.5px; margin: 0; }

.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.service-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 30px 26px;
    transition: var(--ease);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--amber);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--ease);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--mist-2); }
.service-card:hover::before { transform: scaleY(1); }
.card-icon {
    width: 54px; height: 54px;
    border-radius: 13px;
    background: var(--mist);
    color: var(--steel);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    transition: var(--ease);
}
.service-card:hover .card-icon { background: var(--ink); color: var(--amber); }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 15.5px; margin-bottom: 18px; flex-grow: 1; }
.card-link {
    font-weight: 700;
    font-size: 15px;
    color: var(--steel);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: auto;
}
.card-link svg { transition: transform var(--ease); }
.card-link:hover svg { transform: translateX(3px); }

.category-tabs { display: flex; gap: 10px; margin-bottom: 44px; flex-wrap: wrap; }
.category-tab {
    padding: 11px 22px;
    border-radius: 30px;
    border: 1.5px solid var(--line);
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
    background: var(--paper);
    transition: var(--ease);
    cursor: pointer;
}
.category-tab.active, .category-tab:hover { background: var(--ink); border-color: var(--ink); color: #fff; }

.about-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 60px; align-items: center; }
.about-grid h2 { font-size: clamp(28px, 3.6vw, 40px); }
.about-copy p { margin: 18px 0 0; font-size: 16.5px; }
.about-copy .btn { margin-top: 30px; }

.about-section .about-grid { grid-template-columns: 1.1fr 0.9fr; align-items: stretch; }
.about-section .stats-grid { grid-template-columns: repeat(2, 1fr); margin: 30px 0 0; }
.about-photo {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    min-height: 100%;
}
.about-photo img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.stat-box {
    background: var(--ink-2);
    padding: 30px 26px;
    border-radius: var(--r-md);
    border: 1px solid rgba(255,255,255,0.08);
    position: relative;
}
.stat-box svg { color: var(--amber); margin-bottom: 14px; }
.stat-box strong { display: block; font-size: 38px; color: #fff; margin-bottom: 4px; letter-spacing: -0.03em; }
.stat-box span { font-size: 13.5px; font-weight: 600; color: var(--muted-light); text-transform: uppercase; letter-spacing: 0.05em; }

.about-image { position: relative; }
.about-image img { width: 100%; height: 480px; object-fit: cover; border-radius: var(--r-lg); }
.about-image::after {
    content: "";
    position: absolute;
    right: -14px; bottom: -14px;
    width: 120px; height: 120px;
    border: 3px solid var(--amber);
    border-radius: var(--r-md);
    z-index: -1;
}

.sector-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sector-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px 26px;
    border-radius: var(--r-md);
    background: var(--paper);
    border: 1px solid var(--line);
    transition: var(--ease);
}
.sector-item:hover { background: var(--ink); border-color: var(--ink); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.sector-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--mist);
    color: var(--steel);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: var(--ease);
}
.sector-item:hover .sector-icon { background: rgba(255,255,255,0.1); color: var(--amber); }
.sector-item span { font-size: 16px; font-weight: 700; color: var(--ink); transition: var(--ease); }
.sector-item:hover span { color: #fff; }
.sector-item.center { flex-direction: column; text-align: center; gap: 16px; padding: 32px 20px; }
.sector-item.center .sector-icon { margin: 0 auto; }

.reference-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; align-items: center; }
.reference-item {
    display: flex; align-items: center; justify-content: center;
    padding: 22px 18px;
    border-radius: var(--r-md);
    border: 1px solid var(--line);
    background: var(--paper);
    height: 100px;
    transition: var(--ease);
}
.reference-item:hover { border-color: var(--mist-2); box-shadow: var(--shadow-sm); }
.reference-item img { max-height: 52px; width: auto; filter: grayscale(1); opacity: 0.62; transition: var(--ease); }
.reference-item:hover img { filter: grayscale(0); opacity: 1; }
.reference-item strong { font-size: 15px; color: var(--muted); text-align: center; }

.cta-section {
    background: radial-gradient(120% 160% at 20% 20%, #1a3a63, var(--ink) 60%);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.cta-section::before {
    content: "";
    position: absolute; inset: 0;
    background-image: var(--grid);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(80% 100% at 100% 50%, #000, transparent 70%);
    mask-image: radial-gradient(80% 100% at 100% 50%, #000, transparent 70%);
    z-index: -1;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    flex-wrap: wrap;
    padding: 66px 0;
}
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 8px; }
.cta-inner p { color: var(--muted-light); font-size: 16.5px; max-width: 520px; }

.site-footer { background: var(--ink); color: var(--muted-light); padding: 76px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 52px;
    border-bottom: 1px solid rgba(255,255,255,0.09);
}
.footer-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 22px; }
.footer-col ul li { margin-bottom: 13px; }
.footer-col ul li a { font-size: 15px; font-weight: 500; color: var(--muted-light); transition: var(--ease); }
.footer-col ul li a:hover { color: var(--amber); padding-left: 4px; }
.footer-brand img { height: 50px; margin-bottom: 20px; }
.footer-brand p { font-size: 15px; color: rgba(255,255,255,0.6); margin-bottom: 22px; max-width: 320px; }
.social-links { display: flex; gap: 11px; }
.social-links a {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.07);
    display: flex; align-items: center; justify-content: center;
    transition: var(--ease);
}
.social-links a:hover { background: var(--amber); transform: translateY(-3px); }
.social-links a:hover svg { color: #fff !important; stroke: #fff !important; }
.contact-list li {
    display: flex; gap: 13px;
    font-size: 15px; font-weight: 500;
    color: var(--muted-light);
    align-items: flex-start;
    margin-bottom: 15px;
}
.contact-list li svg { flex-shrink: 0; margin-top: 3px; color: var(--amber); }
.contact-list li a { color: var(--muted-light); transition: var(--ease); }
.contact-list li a:hover { color: #fff; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 0;
    font-size: 13.5px; color: rgba(255,255,255,0.5);
    flex-wrap: wrap; gap: 10px;
}

.page-header {
    background: radial-gradient(120% 140% at 78% 0%, #1a3a63, var(--ink-2) 45%, var(--ink) 100%);
    padding: 74px 0 66px;
    text-align: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.page-header::before {
    content: "";
    position: absolute; inset: 0;
    background-image: var(--grid);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(100% 100% at 50% 0%, #000, transparent 75%);
    mask-image: radial-gradient(100% 100% at 50% 0%, #000, transparent 75%);
    z-index: -1;
}
.page-header h1 { color: #fff; font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
.breadcrumb {
    display: inline-flex; justify-content: center; align-items: center;
    gap: 8px;
    font-size: 14.5px; font-weight: 600;
    color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.85); transition: var(--ease); }
.breadcrumb a:hover { color: var(--amber); }

.service-detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 52px; align-items: flex-start; }
.service-content > img {
    border-radius: var(--r-lg);
    margin-bottom: 32px;
    width: 100%; height: 380px; object-fit: cover;
}
.service-lead { font-size: 18px; color: var(--ink); font-weight: 700; margin-bottom: 26px; line-height: 1.6; }
.service-content h2 { font-size: 25px; margin: 36px 0 14px; }
.service-content h3 { font-size: 20px; margin: 28px 0 12px; }
.service-content p { color: var(--muted); margin-bottom: 16px; font-size: 16.5px; }
.service-content ul { margin: 0 0 22px 0; }
.service-content ul li {
    display: flex; gap: 11px; align-items: flex-start;
    margin-bottom: 11px;
    font-weight: 500; color: var(--text); font-size: 16px;
}
.service-content ul li::before {
    content: "";
    width: 20px; height: 20px;
    flex-shrink: 0; margin-top: 3px;
    border-radius: 5px;
    background: var(--mist) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%2316558f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;
}
.service-quote-box {
    margin-top: 42px;
    padding: 32px;
    background: var(--mist);
    border-radius: var(--r-md);
    border: 1px solid var(--line);
}
.service-quote-box h3 { margin-top: 0; }
.service-quote-box p { margin-bottom: 20px; }

.sidebar-box {
    background: var(--mist);
    border-radius: var(--r-md);
    padding: 28px;
    margin-bottom: 22px;
    border: 1px solid var(--line);
}
.sidebar-box h4 { font-size: 15px; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--steel); }
.sidebar-service-list li { margin-bottom: 5px; }
.sidebar-service-list a {
    display: block; padding: 12px 15px;
    border-radius: var(--r-sm);
    font-weight: 600; font-size: 15px;
    color: var(--ink);
    transition: var(--ease);
}
.sidebar-service-list a:hover, .sidebar-service-list a.active { background: var(--paper); color: var(--steel); box-shadow: var(--shadow-sm); }
.sidebar-cta { background: var(--ink); border-color: var(--ink); text-align: center; }
.sidebar-cta h4 { color: var(--amber-soft); }
.sidebar-cta p { color: var(--muted-light); font-size: 15px; margin-bottom: 18px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 52px; }
.contact-info-card {
    display: flex; gap: 16px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    margin-bottom: 14px;
    align-items: flex-start;
    transition: var(--ease);
}
.contact-info-card:hover { border-color: var(--mist-2); box-shadow: var(--shadow-sm); }
.contact-info-card .card-icon { margin-bottom: 0; flex-shrink: 0; width: 48px; height: 48px; }
.contact-info-card h4 { font-size: 15.5px; margin-bottom: 4px; }
.contact-info-card p { font-size: 15px; margin-bottom: 0; }
.contact-info-card a { color: var(--muted); transition: var(--ease); }
.contact-info-card a:hover { color: var(--steel); }

.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.form-card h3 { font-size: 22px; margin-bottom: 8px; }
.form-card .form-sub { font-size: 15px; margin-bottom: 26px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--line);
    border-radius: var(--r-sm);
    font-family: inherit;
    font-size: 15.5px;
    font-weight: 500;
    color: var(--text);
    transition: var(--ease);
    background: var(--mist);
}
.form-control:focus { outline: none; border-color: var(--steel); background: var(--paper); box-shadow: 0 0 0 3px rgba(22,85,143,0.1); }
textarea.form-control { resize: vertical; min-height: 132px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.map-frame { border-radius: var(--r-md); overflow: hidden; margin-top: 30px; border: 1px solid var(--line); }
.map-frame iframe { width: 100%; height: 320px; border: 0; display: block; }
.address-visual { margin-top: 30px; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); line-height: 0; }
.address-visual img { width: 100%; height: auto; display: block; }

.alert { padding: 15px 20px; border-radius: var(--r-sm); font-weight: 600; font-size: 15px; margin-bottom: 22px; display: flex; align-items: center; gap: 10px; }
.alert-success { background: #e7f7ee; color: #12784a; border: 1px solid #b5e6ca; }
.alert-error { background: #fdeceb; color: #b3291e; border: 1px solid #f5c9c5; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.err-page { text-align: center; padding: 130px 0; }
.err-page .code { font-size: 120px; font-weight: 800; line-height: 1; letter-spacing: -0.04em; background: linear-gradient(135deg, var(--steel), var(--amber)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; }
}

@media (max-width: 991px) {
    .section { padding: 74px 0; }
    .hero { background-position: 72% center; }
    .hero-overlay { background: linear-gradient(180deg, rgba(8,16,26,0.94) 0%, rgba(9,20,34,0.86) 55%, rgba(9,20,34,0.9) 100%); }
    .hero-content { padding: 80px 0 88px; max-width: 100%; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-item:nth-child(2) { border-right: none; }
    .feature-item { border-bottom: 1px solid rgba(255,255,255,0.09); }
    .about-grid { grid-template-columns: 1fr; gap: 44px; }
    .about-section .about-grid { grid-template-columns: 1fr; }
    .about-photo img { min-height: 320px; max-height: 380px; }
    .about-image img { height: 380px; }
    .about-image::after { display: none; }
    .category-intro { grid-template-columns: 1fr; gap: 20px; }
    .sector-grid { grid-template-columns: repeat(2, 1fr); }
    .reference-grid { grid-template-columns: repeat(4, 1fr); }
    .service-detail-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 767px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--paper);
        padding: 14px 18px 20px;
        gap: 2px;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
        max-height: calc(100vh - 78px);
        overflow-y: auto;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 13px 15px; border-radius: var(--r-sm); font-size: 16px; }
    .main-nav a.active::after { display: none; }
    .main-nav a.active { background: var(--mist); }
    .nav-toggle { display: flex; }
    .header-phone span { display: none; }
    .header-actions .btn-steel, .header-actions .btn-primary { display: none; }
    .section { padding: 60px 0; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-item { border-right: none; }
    .feature-item:nth-child(2) { border-right: none; }
    .hero-content { padding: 60px 0 66px; }
    .hero-meta { gap: 26px; }
    .about-photo img { min-height: 260px; max-height: 320px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid, .card-grid.cols-4, .card-grid.cols-3 { grid-template-columns: 1fr; }
    .sector-grid { grid-template-columns: 1fr; }
    .reference-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .cta-inner { flex-direction: column; text-align: center; padding: 50px 0; }
    .cta-inner .btn { width: 100%; }
    .form-row { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .form-card { padding: 26px 22px; }
    .hero-badge { left: 12px; right: 12px; bottom: 12px; }
}

@media (max-width: 400px) {
    .container { padding: 0 18px; }
    .header-inner { padding: 12px 18px; }
    .hero-meta-item strong { font-size: 24px; }
}

.media-card { padding: 0; overflow: hidden; }
.media-card::before { display: none; }
.media-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--mist);
}
.media-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.2,0,0.2,1);
}
.media-card:hover .media-thumb img { transform: scale(1.06); }
.media-fallback {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    color: var(--steel);
    background: var(--mist);
}
.media-tag {
    position: absolute;
    left: 14px; bottom: 14px;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(11,26,46,0.82);
    backdrop-filter: blur(6px);
    color: var(--amber);
    display: flex; align-items: center; justify-content: center;
}
.media-body { padding: 24px 24px 26px; }
.media-body h3 { font-size: 18px; margin-bottom: 9px; }
.media-body p { font-size: 15px; margin-bottom: 16px; }
.media-card .card-link { margin-top: 0; }

.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 38px;
}
.gallery-filter {
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 40px;
    padding: 11px 24px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.gallery-filter:hover { border-color: var(--steel); color: var(--steel); }
.gallery-filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.gallery-item.is-hidden { display: none; }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.gallery-item {
    position: relative;
    display: block;
    border: none;
    padding: 0;
    cursor: pointer;
    border-radius: var(--r-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--mist);
}
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.55s cubic-bezier(0.2,0,0.2,1);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 22px 20px 18px;
    background: linear-gradient(to top, rgba(7,18,33,0.92) 10%, rgba(7,18,33,0) 100%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
    transform: translateY(8px);
    opacity: 0;
    transition: var(--ease);
}
.gallery-item:hover .gallery-overlay, .gallery-item:focus-visible .gallery-overlay { transform: none; opacity: 1; }
.gallery-cat { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber-soft); }
.gallery-title { font-size: 15.5px; font-weight: 700; color: #fff; line-height: 1.35; }
.gallery-zoom {
    position: absolute;
    top: 14px; right: 14px;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.16);
    backdrop-filter: blur(6px);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    transform: scale(0.7);
    opacity: 0;
    transition: var(--ease);
}
.gallery-item:hover .gallery-zoom, .gallery-item:focus-visible .gallery-zoom { transform: none; opacity: 1; }

.lightbox {
    position: fixed; inset: 0;
    z-index: 2000;
    background: rgba(5,12,22,0.94);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lightbox.open { display: flex; opacity: 1; }
.lightbox-figure {
    margin: 0;
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.lightbox-figure img {
    max-width: 100%;
    max-height: 74vh;
    border-radius: var(--r-md);
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
    object-fit: contain;
}
.lightbox-figure figcaption {
    margin-top: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}
#lbCaptionTitle { color: #fff; font-size: 18px; font-weight: 700; }
.lightbox-link { display: inline-flex; align-items: center; gap: 7px; color: var(--amber); font-weight: 700; font-size: 15px; }
.lightbox-close {
    position: absolute;
    top: 20px; right: 24px;
    width: 46px; height: 46px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: var(--ease);
}
.lightbox-close:hover { background: var(--steel); color: #fff; }
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px; height: 52px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: var(--ease);
}
.lightbox-nav:hover { background: var(--steel); color: #fff; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.service-hero {
    position: relative;
    background: var(--ink);
    color: #fff;
    padding: 70px 0 64px;
    overflow: hidden;
    isolation: isolate;
}
.service-hero-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    z-index: -2;
}
.service-hero::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(120deg, var(--ink) 30%, rgba(11,26,46,0.72) 100%);
    z-index: -1;
}
.service-breadcrumb { justify-content: flex-start; margin-bottom: 22px; }
.service-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 30px;
    background: rgba(255,255,255,0.1);
    color: var(--amber-soft);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 18px;
}
.service-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 44px); margin-bottom: 16px; max-width: 800px; }
.service-hero p { color: var(--muted-light); font-size: 17.5px; max-width: 660px; margin-bottom: 30px; }
.service-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.service-aside { position: sticky; top: 96px; }
.sidebar-service-list a { display: flex; align-items: center; gap: 11px; }
.sidebar-service-list a svg { flex-shrink: 0; color: var(--steel); }
.sidebar-service-list a.active svg { color: var(--amber); }
.sidebar-service-list a.active { background: var(--paper); }

.service-quote-box { display: flex; gap: 22px; align-items: flex-start; }
.sqb-icon {
    width: 54px; height: 54px;
    border-radius: 13px;
    background: var(--ink);
    color: var(--amber);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

@media (max-width: 991px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .service-aside { position: static; }
    .service-hero { padding: 54px 0 50px; }
}

@media (max-width: 767px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gallery-filters { gap: 8px; margin-bottom: 28px; }
    .gallery-filter { font-size: 13.5px; padding: 9px 17px; }
    .service-hero-actions { flex-direction: column; align-items: stretch; }
    .service-hero-actions .btn { width: 100%; }
    .service-quote-box { flex-direction: column; gap: 16px; }
    .lightbox-nav { width: 44px; height: 44px; font-size: 26px; }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
    .gallery-overlay { opacity: 1; transform: none; padding: 16px 14px 12px; }
    .gallery-title { font-size: 13.5px; }
    .gallery-zoom { display: none; }
}

@media (max-width: 400px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

.content-body { font-size: 16.5px; line-height: 1.8; color: var(--muted); }
.content-body h2 { font-size: 26px; margin: 26px 0 12px; }
.content-body h3 { font-size: 21px; margin: 22px 0 10px; }
.content-body p { margin-bottom: 14px; }
.content-body ul { list-style: disc; padding-left: 22px; margin-bottom: 16px; }
.content-body li { margin-bottom: 7px; }
.content-body a { color: var(--steel); font-weight: 700; }

@media (max-width: 640px) {
    .content-body { font-size: 15.5px; }
    .content-body h2 { font-size: 22px; }
    .content-body h3 { font-size: 19px; }
}