/* GT GROUP - logo C3, Latvian carmine + silver */
:root {
    --carmine: #7A1F2B;
    --carmine-dark: #5E1721;
    --silver: #D9D9D9;
    --silver-light: #F1F2F3;
    --silver-mid: #B8BCC0;
    --ink: #1E1E1E;
    --muted: #5A5D61;
    --white: #FFFFFF;
    --radius: 6px;
    --wrap: 1120px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ink);
    line-height: 1.6;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--white); }
img, svg { display: block; max-width: 100%; }
a { color: var(--carmine); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 10;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--silver);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-name { font-weight: 700; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav a:hover, .nav a:focus-visible { color: var(--carmine); }
.lang-menu { position: relative; }
.lang-menu summary {
    list-style: none; cursor: pointer; user-select: none;
    border: 1px solid var(--silver-mid); border-radius: var(--radius);
    padding: 2px 10px; font-size: .85rem; font-weight: 600; letter-spacing: .08em;
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary::after { content: ""; display: inline-block; margin-left: 6px; border: 4px solid transparent; border-top-color: currentColor; vertical-align: -1px; }
.lang-menu[open] summary, .lang-menu summary:hover { border-color: var(--carmine); color: var(--carmine); }
.lang-menu summary:focus-visible { outline: 2px solid var(--carmine); outline-offset: 2px; }
.lang-menu ul {
    position: absolute; right: 0; top: calc(100% + 6px); z-index: 20;
    list-style: none; margin: 0; padding: 6px 0; min-width: 150px;
    background: var(--white); border: 1px solid var(--silver); border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
}
.lang-menu li a { display: flex; gap: 10px; padding: 7px 14px; font-weight: 400; }
.lang-menu li a span { font-weight: 700; min-width: 22px; }
.lang-menu li a:hover { background: var(--silver-light); }
.lang-menu li a[aria-current] { color: var(--carmine); font-weight: 600; }

/* Hero */
.hero { background: var(--silver-light); border-bottom: 4px solid var(--carmine); }
.hero-inner { padding-top: 88px; padding-bottom: 88px; }
.hero-copy { max-width: 760px; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; margin: 0 0 28px; }

/* Buttons */
.btn {
    display: inline-block; border: 0; cursor: pointer;
    background: var(--carmine); color: var(--white);
    font: inherit; font-weight: 600; text-decoration: none;
    padding: 12px 26px; border-radius: var(--radius);
    transition: background .15s;
}
.btn:hover, .btn:focus-visible { background: var(--carmine-dark); }
.btn:focus-visible, .nav a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--carmine); outline-offset: 2px;
}
.btn-light { background: var(--white); color: var(--carmine); }
.btn-light:hover, .btn-light:focus-visible { background: var(--silver-light); }

/* Sections */
.section { padding: 80px 0; scroll-margin-top: 68px; }
.services { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.service { border: 1px solid var(--silver); border-top: 4px solid var(--carmine); border-radius: 0; padding: 24px; }
.service-no { display: block; color: var(--silver-mid); font-weight: 700; font-size: 1.6rem; margin-bottom: 10px; }
.service h3 { font-size: 1.15rem; }
.service p { margin: 0; color: var(--muted); }

.section-band { background: var(--carmine); color: var(--white); padding: 56px 0; }
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.band-inner h2 { margin-bottom: .3em; }
.band-inner p { margin: 0; color: var(--silver); }

/* Contact */
.contact-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; }
.contact-intro p { color: var(--muted); }
.company { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 24px 0 0; }
.company dt { color: var(--muted); font-size: .9rem; }
.company dd { margin: 0; font-weight: 500; }
.company a { font-weight: 600; }
.contact-form { display: grid; gap: 16px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; font-size: .9rem; font-weight: 500; }
.field input, .field select, .field textarea {
    font: inherit; font-weight: 400; color: var(--ink);
    border: 1px solid var(--silver-mid); border-radius: var(--radius);
    padding: 10px 12px; background: var(--white); width: 100%;
}
.field textarea { resize: vertical; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--carmine); background: #FBF3F4; }
.contact-form .btn { justify-self: start; }
.alert { margin: 0; padding: 12px 16px; border-radius: var(--radius); }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.alert p { margin: 0; }
.alert-ok { background: #EEF5EE; color: #24502A; border: 1px solid #B9D7BC; }
.alert-error { background: #FBF3F4; color: var(--carmine-dark); border: 1px solid #E3BCC1; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { border-top: 1px solid var(--silver); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1100px) {
    .services { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
    .services { grid-template-columns: repeat(2, 1fr); }
    .contact-inner { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 680px) {
    .nav { gap: 14px; font-size: .9rem; }
    .nav > a:not([href="#contact"]) { display: none; }
    .hero-inner { padding-top: 48px; padding-bottom: 48px; }
    .services, .row { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } html { scroll-behavior: auto; } }
html { scroll-behavior: smooth; }