/* QST Build — партнёрский сайт союз.online */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-deep: #f4f6f9; --bg-page: #f0f2f6; --bg-card: #fff; --bg-card2: #eaf0f8;
  --border: #c0ccd8; --border2: #3a5080;
  --accent: #2a4060; --accent2: #3a5080;
  --text: #000810; --text-muted: #1a2838; --text-dim: #506880;
  --shadow: 0 2px 12px rgba(42,64,96,.09); --shadow-md: 0 4px 24px rgba(42,64,96,.14);
  --radius: 13px; --radius-sm: 8px;
}
[data-theme="dark"] {
  --bg-deep: #000810; --bg-page: #000810; --bg-card: #081020; --bg-card2: #101830;
  --border: #1a2840; --border2: #3a5080;
  --accent: #5080c0; --accent2: #70a0e0;
  --text: #d0dce8; --text-muted: #5878a0; --text-dim: #304060;
  --shadow: 0 2px 12px rgba(0,0,0,.4); --shadow-md: 0 4px 28px rgba(0,0,0,.5);
}
html { scroll-behavior: smooth; }
body { font-family: system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; background: var(--bg-page); color: var(--text); line-height: 1.6; transition: background .25s, color .25s; }
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
.topnav { position: sticky; top: 0; z-index: 200; display: flex; align-items: center; gap: .75rem; padding: .7rem 1.5rem; background: rgba(244,246,249,.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(14px); transition: background .25s; }
[data-theme="dark"] .topnav { background: rgba(0,8,16,.94); }
.topnav__brand { display: flex; align-items: center; gap: .45rem; font-weight: 700; font-size: .95rem; color: var(--text); }
.topnav__brand:hover { text-decoration: none; opacity: .85; }
.topnav__logo { font-size: 1.2rem; }
.topnav__links { display: flex; align-items: center; gap: .25rem; margin-left: auto; flex-wrap: wrap; }
.topnav__link { font-size: .82rem; color: var(--text-muted); padding: .3rem .65rem; border-radius: 6px; transition: background .15s; }
.topnav__link:hover { background: var(--bg-card2); color: var(--accent); text-decoration: none; }
.topnav__link--accent { color: var(--accent); font-weight: 600; }
.theme-btn { width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--border2); background: var(--bg-card); cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: all .2s; margin-left: .25rem; }
.theme-btn:hover { background: var(--bg-card2); transform: rotate(20deg); }
.hero { padding: 5.5rem 1.5rem 4.5rem; text-align: center; background: radial-gradient(ellipse 100% 80% at 50% -10%, rgba(42,64,96,.12) 0%, transparent 65%), var(--bg-deep); border-bottom: 1px solid var(--border); }
[data-theme="dark"] .hero { background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(80,128,192,.12) 0%, transparent 65%), var(--bg-deep); }
.hero__badge { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem 1.1rem; border-radius: 999px; background: rgba(42,64,96,.1); border: 1px solid rgba(42,64,96,.28); color: var(--accent); font-size: .8rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 1.75rem; }
.hero__title { font-size: clamp(2.8rem,10vw,6.5rem); font-weight: 900; line-height: .96; letter-spacing: -.03em; margin-bottom: 1rem; }
.hero__accent { color: var(--accent); }
.hero__sub { font-size: 1.1rem; color: var(--text-muted); max-width: 660px; margin: 0 auto 2rem; line-height: 1.55; }
.hero__actions { display: flex; justify-content: center; gap: .85rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero__geo { display: flex; justify-content: center; gap: .45rem; flex-wrap: wrap; }
.geo-tag { padding: .25rem .8rem; border-radius: 999px; background: rgba(42,64,96,.07); border: 1px solid var(--border); font-size: .8rem; color: var(--text-muted); }
.verified-band { background: var(--bg-card); border-bottom: 1px solid var(--border); padding: .9rem 1.5rem; }
.verified-band__inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; justify-content: center; }
.verified-item { display: flex; align-items: center; gap: .45rem; font-size: .82rem; color: var(--text-muted); }
.verified-item__label { font-weight: 600; color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .75rem 1.6rem; border-radius: var(--radius-sm); font-size: .92rem; font-weight: 600; transition: all .18s; text-decoration: none; border: none; cursor: pointer; }
.btn--primary { background: linear-gradient(135deg, var(--accent), #0a1a30); color: #fff; box-shadow: 0 3px 12px rgba(42,64,96,.35); }
.btn--primary:hover { filter: brightness(1.1); transform: translateY(-2px); text-decoration: none; }
.btn--ghost { border: 1.5px solid var(--border2); color: var(--text); background: var(--bg-card); }
.btn--ghost:hover { background: var(--bg-card2); text-decoration: none; }
.btn--outline { border: 1.5px solid var(--accent); color: var(--accent); background: rgba(42,64,96,.07); }
.btn--outline:hover { background: rgba(42,64,96,.14); text-decoration: none; }
.stats-band { padding: 3rem 0; background: linear-gradient(135deg, var(--accent) 0%, #0a1a30 100%); color: #fff; }
.stats-band__grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 1.5rem; text-align: center; max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.stat-big { display: flex; flex-direction: column; align-items: center; gap: .3rem; }
.stat-big__num { font-size: 2.5rem; font-weight: 900; line-height: 1; }
.stat-big__lbl { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; opacity: .85; }
.section-wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.section-head { text-align: center; margin-bottom: 2.75rem; }
.eyebrow { display: inline-block; font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin-bottom: .5rem; }
.section-title { font-size: clamp(1.45rem,4vw,2.1rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: .5rem; }
.section-sub { color: var(--text-muted); font-size: .95rem; max-width: 620px; margin: 0 auto; }
.catalog { padding: 5rem 0; }
.catalog__grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(300px,1fr)); gap: 1.25rem; }
.prod-card { position: relative; background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: .75rem; transition: border-color .18s, transform .18s, box-shadow .18s; box-shadow: var(--shadow); }
.prod-card:hover { border-color: var(--border2); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.prod-card--featured { border-color: rgba(42,64,96,.38); background: var(--bg-card2); }
.prod-card--avito { border-style: dashed; }
.prod-card__icon { font-size: 2rem; }
.prod-card__badge { position: absolute; top: 1rem; right: 1rem; padding: .2rem .65rem; border-radius: 999px; background: rgba(42,64,96,.1); border: 1px solid rgba(42,64,96,.28); color: var(--accent); font-size: .72rem; font-weight: 700; }
.prod-card__title { font-size: 1rem; font-weight: 700; line-height: 1.3; }
.prod-card__desc { font-size: .87rem; color: var(--text-muted); flex: 1; line-height: 1.55; }
.prod-card__meta { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.prod-card__price { font-size: 1.05rem; font-weight: 700; color: var(--accent); }
.prod-card__geo { font-size: .78rem; color: var(--text-dim); }
.prod-card__btn { display: inline-block; padding: .5rem 1rem; border-radius: var(--radius-sm); background: rgba(42,64,96,.09); border: 1px solid rgba(42,64,96,.28); color: var(--accent); font-size: .84rem; font-weight: 600; text-align: center; transition: background .15s; }
.prod-card__btn:hover { background: rgba(42,64,96,.18); text-decoration: none; }
.channels { padding: 5rem 0; background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.channels-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 1.25rem; }
.channel-card { background: var(--bg-page); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; transition: border-color .18s, transform .18s; }
.channel-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.channel-card--main { border-color: rgba(42,64,96,.35); background: var(--bg-card2); }
.channel-card__platform { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.channel-card__name { font-size: 1.1rem; font-weight: 800; color: var(--accent); }
.channel-card__sub { font-size: .82rem; color: var(--text-muted); }
.channel-card__desc { font-size: .87rem; color: var(--text-muted); flex: 1; line-height: 1.55; }
.channel-card__link { display: inline-block; font-size: .84rem; font-weight: 600; color: var(--accent); padding: .4rem .85rem; border-radius: var(--radius-sm); background: rgba(42,64,96,.08); border: 1px solid rgba(42,64,96,.25); transition: background .15s; text-align: center; }
.channel-card__link:hover { background: rgba(42,64,96,.16); text-decoration: none; }
.highlights { padding: 4.5rem 0; }
.highlights-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 1.25rem; }
.hl-item { padding: 1.5rem; border-radius: var(--radius); background: var(--bg-card); border: 1.5px solid var(--border); display: flex; flex-direction: column; gap: .5rem; transition: border-color .15s, transform .15s; }
.hl-item:hover { border-color: var(--border2); transform: translateY(-1px); }
.hl-item__icon { font-size: 2rem; }
.hl-item__title { font-weight: 700; font-size: .97rem; color: var(--accent); }
.hl-item__desc { font-size: .86rem; color: var(--text-muted); line-height: 1.5; }
.reviews { padding: 5rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 1.25rem; }
.review-card { background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: .75rem; }
.review-card__stars { color: #f59e0b; font-size: 1.05rem; letter-spacing: .1em; }
.review-card__platform { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.review-card__text { font-size: .9rem; color: var(--text-muted); line-height: 1.65; font-style: italic; flex: 1; }
.review-card__text::before { content: '«'; color: var(--accent); font-style: normal; font-weight: 700; }
.review-card__text::after { content: '»'; color: var(--accent); font-style: normal; font-weight: 700; }
.review-card__author { font-size: .82rem; font-weight: 600; color: var(--text); }
.review-card__date { font-size: .76rem; color: var(--text-dim); }
.about { padding: 4.5rem 0; background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about__inner { display: grid; grid-template-columns: 1fr auto; gap: 3rem; max-width: 1040px; margin: 0 auto; align-items: start; }
@media (max-width:700px) { .about__inner { grid-template-columns: 1fr; } }
.about__text p { color: var(--text-muted); margin-bottom: .85rem; line-height: 1.65; }
.about__text strong { color: var(--text); }
.about__list { list-style: none; display: flex; flex-direction: column; gap: .4rem; margin-top: 1rem; }
.about__list li { font-size: .9rem; color: var(--text-muted); padding-left: 1.4rem; position: relative; }
.about__list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.company-card { width: 260px; background: var(--bg-deep); border: 1px solid rgba(42,64,96,.3); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; }
@media (max-width:700px) { .company-card { width: 100%; } }
.company-card__icon { font-size: 2rem; }
.company-card__name { font-weight: 700; font-size: .95rem; color: var(--accent); }
.company-card__status { display: inline-block; padding: .15rem .5rem; border-radius: 4px; background: rgba(42,64,96,.1); color: var(--accent); font-size: .72rem; font-weight: 700; }
.company-row { display: flex; gap: .75rem; align-items: baseline; }
.company-row__key { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; width: 70px; flex-shrink: 0; }
.company-row__val { font-size: .86rem; color: var(--text-muted); }
.union-badge { width: 260px; background: var(--bg-card2); border: 1px solid rgba(42,64,96,.25); border-radius: var(--radius-sm); padding: 1.25rem; text-align: center; display: flex; flex-direction: column; align-items: center; gap: .6rem; margin-top: .75rem; }
@media (max-width:700px) { .union-badge { width: 100%; } }
.union-badge__icon { font-size: 2rem; }
.union-badge__title { font-weight: 700; font-size: .93rem; color: var(--accent); }
.union-badge__sub { font-size: .82rem; color: var(--text-muted); }
.union-badge__link { font-size: .82rem; color: var(--accent2); display: block; }
.contacts { padding: 5rem 0; }
.contacts-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(200px,1fr)); gap: 1rem; margin-bottom: 2.5rem; }
.contact-card { background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1.4rem; text-align: center; transition: border-color .15s, transform .15s; }
.contact-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.contact-card__icon { font-size: 1.9rem; margin-bottom: .6rem; }
.contact-card__label { font-size: .76rem; color: var(--text-dim); margin-bottom: .3rem; text-transform: uppercase; letter-spacing: .06em; }
.contact-card__val { font-size: .92rem; color: var(--text-muted); line-height: 1.5; }
.contact-card__val a { color: var(--accent2); }
.contacts-cta { text-align: center; padding: 2.5rem 2rem; background: var(--bg-card2); border-radius: var(--radius); border: 1.5px solid var(--border); }
.contacts-cta p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: .97rem; }
.contacts-cta .btn-group { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 2.5rem 1.5rem 2rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: start; }
@media (max-width:700px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand { display: flex; flex-direction: column; gap: .4rem; }
.footer-brand__name { font-size: 1rem; font-weight: 700; }
.footer-brand__sub { font-size: .8rem; color: var(--text-muted); }
.footer-nav { display: flex; flex-direction: column; gap: .5rem; align-items: center; }
.footer-nav a { font-size: .85rem; color: var(--text-muted); }
.footer-nav a:hover { color: var(--accent); text-decoration: none; }
.footer-legal { text-align: right; }
.footer-legal__copy { font-size: .76rem; color: var(--text-dim); line-height: 1.6; }
.footer-legal a { color: var(--accent2); }
@media (max-width:700px) { .footer-legal { text-align: left; } }
@media (max-width:768px) { .hero { padding: 3.5rem 1.25rem 3rem; } .catalog__grid,.channels-grid,.reviews-grid,.highlights-grid { grid-template-columns: 1fr; } .contacts-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width:480px) { .contacts-grid { grid-template-columns: 1fr; } .stats-band__grid { grid-template-columns: 1fr 1fr; } }