:root {
    --color-primary: #3060a5;
    --color-primary-dark: #24497e;
    --color-text: #111827;
    --color-text-soft: #5d6674;
    --color-bg: #ffffff;
    --color-muted: #eef2f7;
    --color-line: #d7dde7;
    --color-card: #ffffff;
    --shadow-soft: 0 22px 60px rgba(17, 24, 39, 0.08);
    --shadow-card: 0 14px 34px rgba(17, 24, 39, 0.06);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--color-text-soft); }
h1, h2, h3, h4 { margin: 0 0 1rem; line-height: 1.1; color: var(--color-text); font-family: 'Montserrat', 'Inter', sans-serif; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3vw, 3rem); }
h3 { font-size: 1.25rem; }
.container { width: min(calc(100% - 2rem), var(--container)); margin-inline: auto; }
.narrow { max-width: 840px; }
.section { padding: 5.5rem 0; }
.section--compact { padding: 3.25rem 0 0; }
.section--muted { background: var(--color-muted); }
.section--clients { padding-top: 2rem; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.84rem;
}
.eyebrow::before {
    content: '';
    width: 2rem;
    height: 2px;
    background: var(--color-primary);
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(215, 221, 231, 0.7);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 6.25rem;
}
.site-logo--header { max-width: 360px; }
.site-logo { display: inline-flex; align-items: center; gap: 0.9rem; flex-shrink: 0; min-width: 0; }
.site-logo img { display: block; object-fit: contain; }
.site-logo--header img { display: block; height: 58px; width: auto; max-width: 100%; }
.site-logo__text { font-family: 'Montserrat', sans-serif; font-size: 1rem; font-weight: 700; letter-spacing: 0.12em; }
.site-logo--footer .site-logo__text { color: #fff; }
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.site-nav__link { position: relative; color: var(--color-text-soft); font-weight: 600; }
.site-nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.5rem;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}
.site-nav__link:hover,
.site-nav__link.is-active { color: var(--color-text); }
.site-nav__link:hover::after,
.site-nav__link.is-active::after { transform: scaleX(1); }
.nav-toggle {
    display: none;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    border: 1px solid var(--color-line);
    background: #fff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.28rem;
}
.nav-toggle span:not(.sr-only) {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}
.hero { padding: 4rem 0 3.5rem; }
.hero__grid, .intro-grid, .split-content, .contact-layout, .cta-card { display: grid; gap: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
.hero__content p { font-size: 1.1rem; max-width: 58ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.75rem; }
.card-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(215, 221, 231, 0.8);
}
.card-media img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 1.4rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--secondary { background: #fff; border-color: var(--color-line); color: var(--color-text); }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading--center { text-align: center; margin-inline: auto; }
.section-heading--between { display: flex; align-items: end; justify-content: space-between; gap: 1rem; max-width: none; }
.services-grid, .projects-grid, .logos-grid, .highlights-grid, .timeline-grid {
    display: grid;
    gap: 1.25rem;
}
.services-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.service-card, .project-card, .highlight-card, .timeline-card, .panel-card, .contact-card, .logo-card {
    background: var(--color-card);
    border: 1px solid rgba(215, 221, 231, 0.8);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}
.service-card { padding: 1.4rem; }
.service-card__icon { width: 56px; height: 56px; margin-bottom: 1rem; }
.highlights-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.highlight-card { padding: 1.6rem; }
.highlight-card p { margin-bottom: 0; }
.projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.project-card { overflow: hidden; }
.project-card__image img { width: 100%; height: 240px; object-fit: cover; }
.project-card__body { padding: 1.35rem; }
.project-card__meta { display: flex; flex-wrap: wrap; gap: 0.75rem; font-size: 0.82rem; color: var(--color-primary); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.85rem; }
.project-card__location { color: var(--color-text); font-weight: 600; }
.logos-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); align-items: stretch; }
.logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 122px;
    padding: 1.15rem;
}
.logo-card img { max-height: 54px; width: auto; max-width: 100%; }
.cta-section { padding-top: 1rem; }
.cta-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #1a345c 0%, #3060a5 100%);
    color: #fff;
    box-shadow: var(--shadow-soft);
}
.cta-card h2, .cta-card p, .cta-card a { color: #fff; }
.cta-card__info p { margin-bottom: 1.2rem; }
.site-footer {
    background: #0f1727;
    color: rgba(255,255,255,0.78);
    padding: 4rem 0 1rem;
    margin-top: 2rem;
}
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1.4fr 0.8fr 0.9fr; }
.footer-title { color: #fff; font-size: 1.02rem; margin-bottom: 0.8rem; }
.footer-copy { max-width: 38ch; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.footer-list a { color: rgba(255,255,255,0.78); }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 2rem;
    padding-top: 1rem;
}
.page-hero { padding: 5.5rem 0 3rem; position: relative; }
.page-hero--light { background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%); }
.page-hero--image { min-height: 420px; display: flex; align-items: center; }
.page-hero__backdrop { position: absolute; inset: 0; overflow: hidden; }
.page-hero__backdrop::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,39,.86), rgba(15,23,39,.55)); }
.page-hero__backdrop img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__content { position: relative; z-index: 1; }
.page-hero--image .eyebrow, .page-hero--image h1, .page-hero--image p { color: #fff; }
.service-list { display: grid; gap: 1.5rem; }
.service-detail {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
    border: 1px solid rgba(215, 221, 231, 0.8);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
}
.service-detail--reverse { grid-template-columns: 1fr 160px; }
.service-detail--reverse .service-detail__icon-wrap { order: 2; }
.service-detail__icon-wrap {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-muted);
}
.service-detail__icon-wrap img { width: 82px; height: 82px; }
.service-detail__summary { color: var(--color-primary); font-weight: 600; }
.panel-card { padding: 1.8rem; }
.check-list { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 0.85rem; }
.check-list li { position: relative; padding-left: 1.6rem; color: var(--color-text-soft); }
.check-list li::before { content: '•'; position: absolute; left: 0; color: var(--color-primary); font-size: 1.2rem; }
.timeline-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.timeline-card { padding: 1.5rem; }
.timeline-card strong { display: block; margin-bottom: 0.5rem; color: var(--color-primary); }
.cta-inline { display: flex; justify-content: space-between; align-items: center; gap: 1.25rem; }
.contact-layout { align-items: start; }
.contact-panel { height: 100%; }
.contact-card { padding: 1.6rem; }
.contact-form label { display: grid; gap: 0.5rem; color: var(--color-text); font-weight: 600; }
.form-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0,1fr)); margin-bottom: 1.1rem; }
.full-width { grid-column: 1 / -1; }
.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    border-radius: 14px;
    padding: 0.95rem 1rem;
    font: inherit;
    color: var(--color-text);
    background: #fff;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: 2px solid rgba(48,96,165,0.18); border-color: var(--color-primary); }
.form-note, .muted { font-size: 0.92rem; }
.hp-field { position: absolute !important; left: -9999px !important; opacity: 0 !important; }
.alert {
    margin-bottom: 1rem;
    padding: 1rem 1.15rem;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 600;
}
.alert--success, .alert--stored { background: #eef8f1; color: #195c2f; border-color: #b7e1c2; }
.alert--error, .alert--validation, .alert--security, .alert--rate-limit { background: #fff3f0; color: #8f2f1c; border-color: #f2c3b9; }
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid, .timeline-grid, .highlights-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 1rem;
        left: 1rem;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border: 1px solid var(--color-line);
        border-radius: 22px;
        padding: 0.8rem;
        box-shadow: var(--shadow-soft);
    }
    .site-nav.is-open { display: flex; }
    .site-nav__link { padding: 0.85rem 1rem; border-radius: 12px; }
    .site-nav__link::after { display: none; }
    .site-nav__link:hover, .site-nav__link.is-active { background: var(--color-muted); }
    .hero__grid, .intro-grid, .split-content, .contact-layout, .cta-card, .service-detail, .service-detail--reverse { grid-template-columns: 1fr; }
    .service-detail--reverse .service-detail__icon-wrap { order: initial; }
    .section-heading--between, .cta-inline, .footer-bottom { flex-direction: column; align-items: start; }
}
@media (max-width: 640px) {
    .section { padding: 4.25rem 0; }
    .services-grid, .projects-grid, .highlights-grid, .timeline-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
    .card-media img { min-height: 280px; }
    .project-card__image img { height: 210px; }
    .site-header__inner { min-height: 4.65rem; }
    .site-logo--header { max-width: 240px; }
    .site-logo--header img { height: 46px; width: auto; max-width: 100%; }
    .site-logo__text { letter-spacing: 0.08em; font-size: 0.95rem; }
    .logo-card { min-height: 104px; }
}