:root {
    --color-ink: #263238;
    --color-text: #35434b;
    --color-muted: #66747c;
    --color-line: #d9e1df;
    --color-surface: #ffffff;
    --color-paper: #f5f7f3;
    --color-panel: #edf5f1;
    --color-primary: #1f6f5c;
    --color-primary-dark: #174f42;
    --color-accent: #b7792d;
    --color-danger: #b42318;
    --color-success: #166534;
    --shadow-soft: 0 18px 48px rgba(38, 50, 56, 0.12);
    --radius: 8px;
    --header-height: 88px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

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

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

button {
    font: inherit;
}

.sr-only {
    width: 1px;
    height: 1px;
    position: absolute;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-line);
    backdrop-filter: blur(14px);
}

.nav-shell {
    min-height: var(--header-height);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-logo {
    width: 176px;
    height: 64px;
    object-fit: contain;
}

.brand-name {
    color: var(--color-ink);
    font-weight: 800;
    max-width: 380px;
    line-height: 1.15;
}

.nav-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-list a {
    min-height: 44px;
    padding: 10px 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-ink);
    cursor: pointer;
    font-weight: 600;
}

.nav-list a:hover,
.nav-list a:focus-visible,
.nav-list a[aria-current="page"] {
    background: var(--color-panel);
    outline: none;
}

.nav-toggle {
    width: 44px;
    height: 44px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
}

.nav-toggle-line {
    width: 20px;
    height: 2px;
    background: var(--color-ink);
}

.hero {
    min-height: calc(88vh - var(--header-height));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    isolation: isolate;
    background: var(--color-ink) url("../img/hero_move/hero-office.png") center 42% / cover no-repeat;
    color: #ffffff;
}

.hero::before,
.hero::after,
.hero-image-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero::before {
    content: "";
    z-index: 1;
    background: linear-gradient(90deg, rgba(18, 32, 38, 0.94) 0%, rgba(18, 32, 38, 0.82) 42%, rgba(31, 111, 92, 0.36) 72%, rgba(31, 111, 92, 0.18) 100%);
}

.hero::after {
    content: "";
    inset: -8% -42%;
    z-index: 2;
    background: linear-gradient(100deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.08) 24%, rgba(255, 255, 255, 0.34) 48%, rgba(255, 255, 255, 0.16) 68%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transform: translateX(-58%);
    filter: blur(1px);
}

.hero.is-transitioning::after {
    animation: hero-white-wash 4200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-image-layer {
    z-index: 0;
    background-image: url("../img/hero_move/hero-office.png");
    background-size: cover;
    background-position: center 42%;
    opacity: 0;
    transform: scale(1.035);
    transition: opacity 4200ms cubic-bezier(0.22, 1, 0.36, 1), transform 12000ms ease;
    will-change: opacity, transform;
}

.hero-image-layer.is-active {
    opacity: 1;
    transform: scale(1);
}

.hero-content {
    position: relative;
    z-index: 3;
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
    padding: 96px 0;
}

@keyframes hero-white-wash {
    0% {
        opacity: 0;
        transform: translateX(-58%);
    }

    22% {
        opacity: 0.34;
    }

    58% {
        opacity: 0.28;
    }

    100% {
        opacity: 0;
        transform: translateX(58%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-image-layer {
        transition: none;
    }

    .hero.is-transitioning::after {
        animation: none;
    }
}



h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1 {
    max-width: 720px;
    margin-bottom: 20px;
    color: #ffffff;
    font-size: 3.2rem;
    line-height: 1.1;
    letter-spacing: 0;
    text-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}

h2 {
    max-width: 780px;
    margin-bottom: 18px;
    color: var(--color-ink);
    font-size: 2.7rem;
    line-height: 1.08;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 10px;
    color: var(--color-ink);
    font-size: 1.08rem;
    line-height: 1.3;
}

h4 {
    margin-bottom: 8px;
    color: var(--color-ink);
    font-size: 1rem;
    line-height: 1.3;
}

.hero-copy {
    max-width: 660px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.15rem;
    text-shadow: 0 6px 22px rgba(0, 0, 0, 0.24);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.button {
    min-height: 46px;
    padding: 12px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 800;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    outline: none;
}

.button-primary {
    background: var(--color-primary);
    color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--color-primary-dark);
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.72);
    color: #ffffff;
}

.button-secondary:hover,
.button-secondary:focus-visible {
    background: rgba(255, 255, 255, 0.14);
}

.section {
    padding: 88px 0;
}

.section-light {
    background: var(--color-paper);
}

.section-muted {
    background: var(--color-panel);
}

.container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.contact-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}
.split-section,
.company-layout,
.security-band {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    gap: 42px;
    align-items: start;
}

.contact-panel {
    width: 100%;
    max-width: 800px;
    text-align: center;
    padding: 50px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
    box-shadow: 0 24px 52px rgba(38, 50, 56, 0.08);
}

.contact-title {
    margin-inline: auto;
    margin-bottom: 28px;
    font-size: 2.35rem;
    font-weight: 800;
    color: var(--color-primary-dark);
}

.company-content {
    display: grid;
    gap: 16px;
}

.company-block {
    padding: 22px;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-paper);
}

.company-block p,
.value-card p {
    margin-bottom: 0;
    color: var(--color-muted);
}

.values-section {
    margin-top: 36px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 16px;
}

.value-card {
    padding: 22px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.info-grid,
.security-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
}

.info-card,
.service-item,
.security-grid article {
    padding: 22px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.info-card p,
.service-item p,
.security-grid p {
    margin-bottom: 0;
    color: var(--color-muted);
}

.service-list {
    display: grid;
    gap: 16px;
}

.service-item {
    display: grid;
    grid-template-columns: 56px 1fr;
    column-gap: 16px;
    align-items: start;
}

.service-number {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 800;
    grid-row: span 2;
}

.service-item h3,
.service-item p {
    grid-column: 2;
}

.service-item h3 {
    margin-top: 0;
}

.security-band {
    align-items: center;
}

.security-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 0;
}

.contact-panel p {
    margin-bottom: 12px;
    color: var(--color-muted);
}

.contact-panel p:last-child {
    margin-bottom: 0;
}

.contact-panel a {
    color: var(--color-primary-dark);
    font-weight: 800;
    overflow-wrap: anywhere;
}

.contact-list {
    display: grid;
    gap: 24px;
}

.contact-detail,
.contact-person {
    margin: 0;
}

.contact-person {
    padding-top: 22px;
    border-top: 1px solid var(--color-line);
}

.contact-label {
    display: block;
    margin-bottom: 4px;
    color: var(--color-ink);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer {
    padding: 28px 0;
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.84);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-content p {
    margin: 0;
}

.footer-content a {
    color: #f0bd75;
    font-weight: 800;
}

@media (max-width: 1120px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-list {
        width: calc(100% - 48px);
        position: absolute;
        top: calc(100% + 1px);
        left: 24px;
        right: 24px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        background: var(--color-surface);
        box-shadow: var(--shadow-soft);
    }

    .nav-list.is-open {
        display: flex;
    }

    .nav-list a {
        width: 100%;
        justify-content: space-between;
    }

    .contact-layout {
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 60px 0;
    }
    .split-section,
    .company-layout,
    .security-band {
        grid-template-columns: 1fr;
    }

    .info-grid,
    .values-grid,
    .security-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    :root {
        --header-height: 68px;
    }

    .nav-shell,
    .container,
    .hero-content {
        width: min(100% - 32px, 1180px);
        padding-left: 0;
        padding-right: 0;
    }

    .brand-logo {
        width: 132px;
        height: 48px;
    }

    .brand-name {
        max-width: 162px;
        white-space: normal;
        line-height: 1.15;
    }

    .hero {
        min-height: calc(78vh - var(--header-height));
        background-position: 58% center;
    }

    h1 {
        font-size: 2.05rem;
    }

    h2 {
        font-size: 1.85rem;
    }

    .contact-panel {
        padding: 28px 20px;
    }

    .contact-title {
        font-size: 1.75rem;
    }

    .section {
        padding: 64px 0;
    }

    .info-grid,
    .values-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }

    .service-item {
        grid-template-columns: 1fr;
    }

    .service-item h3,
    .service-item p {
        grid-column: auto;
    }

    .service-item h3 {
        margin-top: 12px;
    }
}