:root {
    --primary:        #2c6fbb;
    --primary-dark:   #1a4a8a;
    --secondary:      #ff6b00;
    /* #b45309 = 4.69:1 на білому → WCAG AA для кнопок і тексту цін */
    --secondary-a11y: #b45309;
    --bg-light:       #f8f9fa;
    --text-light:     #212529;
    --bg-dark:        #121212;
    --text-dark:      #e0e0e0;
    --card-light:     #ffffff;
    --card-dark:      #1e1e1e;
    --shadow:         0 4px 6px rgba(0,0,0,.1);
    --tr:             all .3s ease;
    --header-h:       62px;
    --bg:             #ffffff;
    --bg-sec:         #f0f4f8;
    --text-sec:       #555e6d;
}
body.dark-mode {
    --bg:             #1e1e1e;
    --bg-sec:         #181818;
    --text-sec:       #9ba8b8;
    /* #f59e0b = 7.1:1 на #1e1e1e → WCAG AAA у dark mode */
    --secondary-a11y: #f59e0b;
}

/* ── SVG ICON SPRITE ── */
/* Замінює FontAwesome: розміри та вирівнювання як у fa-іконок */
.icon {
    display:inline-block;
    width:1em; height:1em;
    fill:currentColor;
    vertical-align:-0.125em;
    flex-shrink:0;
}
/* Перемикач теми: moon — у світлому, sun — у темному режимі */
.icon-sun              { display:none; }
body.dark-mode .icon-sun  { display:inline-block; }
body.dark-mode .icon-moon { display:none; }

/* ── SKIP LINK (a11y) ── */
.skip-link {
    position:absolute; left:-9999px; top:8px; z-index:9999;
    padding:8px 18px; background:#fff; color:var(--primary);
    font-weight:700; font-size:.95rem; border-radius:6px; text-decoration:none;
    outline:2px solid var(--primary); outline-offset:2px;
}
.skip-link:focus { left:8px; }

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;
    background:var(--bg-light); color:var(--text-light);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    transition:background .3s,color .3s;
}
body.dark-mode { background:var(--bg-dark); color:var(--text-dark); }
a, button { -webkit-tap-highlight-color:transparent; }
.container { width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }

/* ── HEADER ── */
header {
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:white;
    height:var(--header-h);
    display:flex; align-items:center;
    position:fixed; top:0; left:0; right:0;
    z-index:200; box-shadow:var(--shadow);
}
.header-container { display:flex; align-items:center; justify-content:space-between; gap:10px; width:100%; }
.logo { display:flex; align-items:center; gap:10px; color:white; text-decoration:none; }
.logo img { height:42px; border-radius:6px; object-fit:contain; }

.mobile-menu-btn {
    display:none; background:none; border:none; color:white;
    font-size:1.3rem; cursor:pointer; padding:6px; border-radius:6px;
    transition:var(--tr);
}
.mobile-menu-btn:hover { background:rgba(255,255,255,.12); }

nav ul { display:flex; list-style:none; gap:4px; align-items:center; }
nav a { color:white; text-decoration:none; padding:8px 12px; border-radius:6px; font-weight:500; transition:var(--tr); }
nav a:hover { background:rgba(255,255,255,.14); }

.theme-toggle {
    background:none; border:none; color:white; font-size:1.2rem;
    cursor:pointer; padding:6px; border-radius:50%;
    width:40px; height:40px; display:flex; align-items:center; justify-content:center;
    transition:var(--tr);
}
.theme-toggle:hover { background:rgba(255,255,255,.12); }

/* мобільне меню */
.mobile-nav {
    display:none; flex-direction:column;
    position:fixed; top:var(--header-h); left:0; right:0;
    background:var(--primary-dark); z-index:190;
    padding:10px 20px 16px; gap:2px;
    box-shadow:0 6px 20px rgba(0,0,0,.25);
}
.mobile-nav.open { display:flex; }
.mobile-nav a { color:white; text-decoration:none; padding:10px 14px; border-radius:8px; font-weight:500; transition:var(--tr); }
.mobile-nav a:hover { background:rgba(255,255,255,.1); }
body.dark-mode .mobile-nav { background:#1a1a2e; }

/* ── HERO ── */
.hero {
    padding: calc(var(--header-h) + 72px) 20px 80px;
    background:linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)),
               url('/images/itword1.webp') center/cover no-repeat;
    color:white; text-align:center;
    margin-bottom:48px;
}
.hero h1 { font-size:2.6rem; margin-bottom:14px; text-shadow:0 2px 6px rgba(0,0,0,.6); line-height:1.2; }
.hero p  { font-size:1.05rem; max-width:760px; margin:0 auto 18px; }
.hero-buttons { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:20px; }

.cta-button {
    display:inline-flex; align-items:center; gap:10px;
    /* var(--secondary-a11y) = #b45309 → 4.69:1 з білим текстом (WCAG AA) */
    background:var(--secondary-a11y); color:white; text-decoration:none;
    padding:12px 26px; border-radius:50px; font-weight:700; font-size:1.05rem;
    box-shadow:var(--shadow); border:none; cursor:pointer; transition:var(--tr);
}
.cta-button:hover { transform:translateY(-3px); box-shadow:0 6px 12px rgba(0,0,0,.25); background:var(--primary-dark); }

/* ── CONTACTS DROPDOWN ── */
.contacts-dropdown { position:relative; display:inline-block; }
.contacts-menu {
    display:none; position:absolute;
    top:calc(100% + 8px); left:50%; transform:translateX(-50%);
    min-width:265px; width:max-content;
    background:white; border-radius:12px;
    box-shadow:0 12px 40px rgba(0,0,0,.2);
    padding:16px; z-index:1000;
    animation:fadeIn .22s ease;
}
body.dark-mode .contacts-menu { background:var(--card-dark); }
.contacts-dropdown.open .contacts-menu { display:block; }

.operator-group { margin-bottom:12px; }
.operator-group:last-child { margin-bottom:0; }
.operator-title {
    display:flex; align-items:center; gap:7px;
    font-weight:700; font-size:.8rem; text-transform:uppercase;
    letter-spacing:.05em; color:var(--primary); margin-bottom:5px;
}
body.dark-mode .operator-title { color:#8ab4f8; }
.operator-logo { width:18px; height:18px; object-fit:contain; }
.contacts-menu a {
    display:flex; align-items:center; gap:8px;
    color:var(--text-light); text-decoration:none;
    padding:6px 4px; border-radius:6px; font-size:.93rem;
    transition:background .2s, color .2s;
}
body.dark-mode .contacts-menu a { color:var(--text-dark); }
.contacts-menu a:hover { color:var(--secondary); background:rgba(44,111,187,.06); }
.contacts-menu a img { width:16px; height:16px; object-fit:contain; }

@keyframes fadeIn { from{opacity:0;transform:translateX(-50%) translateY(-6px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }

/* ── FADE-IN SCROLL ANIMATION ── */
.fade-in { opacity:0; transform:translateY(28px); transition:opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* ── DIAG PROMO BADGES ── */
.diag-promo { display:flex; justify-content:center; gap:10px; flex-wrap:wrap; padding:20px 0 32px; }
.diag-badge {
    display:inline-flex; align-items:center; gap:7px;
    background:var(--primary); color:#fff;
    padding:8px 18px; border-radius:50px; font-size:.88rem; font-weight:600;
    box-shadow:0 4px 12px rgba(0,0,0,.14); transition:transform .2s, box-shadow .2s;
}
.diag-badge:hover { transform:translateY(-2px); box-shadow:0 6px 16px rgba(0,0,0,.22); }
.diag-badge i { color:var(--secondary); }

/* ── SECTION TITLE ── */
.section-title { text-align:center; margin:36px 0; font-size:1.9rem; position:relative; padding-bottom:12px; }
.section-title::after { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:72px; height:4px; background:var(--secondary); border-radius:2px; }

/* ── SERVICES ── */
.services-tabs { display:flex; justify-content:center; gap:10px; margin-bottom:20px; flex-wrap:wrap; }
.tab-btn { background:var(--primary); color:white; border:none; padding:10px 20px; border-radius:28px; cursor:pointer; font-weight:600; font-size:.9rem; transition:var(--tr); }
/* var(--secondary-a11y) забезпечує контраст 4.69:1 з білим (WCAG AA) */
.tab-btn.active, .tab-btn:hover { background:var(--secondary-a11y); }

.services-content { display:none; }
.services-content.active { display:block; animation:tabFade .4s ease; }
@keyframes tabFade { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

.service-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; margin-bottom:38px; }
.service-card { background:var(--card-light); border-radius:10px; overflow:hidden; box-shadow:var(--shadow); transition:var(--tr); }
.service-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,.14); }
body.dark-mode .service-card { background:var(--card-dark); }
.service-icon { background:linear-gradient(to right,var(--primary),var(--primary-dark)); color:white; font-size:2rem; padding:22px; text-align:center; }
.service-info { padding:18px; }
.service-info h3 { margin-bottom:10px; color:var(--primary); }
body.dark-mode .service-info h3 { color:#8ab4f8; }
.price-list { margin-top:12px; }
.price-item { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px dashed #ddd; font-size:.92rem; }
body.dark-mode .price-item { border-bottom-color:#444; }
.price-item:last-child { border-bottom:none; }
/* #b45309 (light) / #f59e0b (dark) → WCAG AA на відповідному фоні */
.price-item span:last-child { font-weight:700; color:var(--secondary-a11y); white-space:nowrap; margin-left:8px; }

/* ── CONTACT SECTION ── */
.contact-section { background:linear-gradient(to right,var(--primary),var(--primary-dark)); color:white; padding:46px 0; text-align:center; margin-top:38px; }
.contact-info { display:flex; justify-content:center; flex-wrap:wrap; gap:30px; margin-top:18px; }
.contact-item { display:flex; align-items:flex-start; gap:14px; font-size:1.05rem; min-width:240px; }
.contact-icon { background:rgba(255,255,255,.12); width:60px; height:60px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.4rem; color:white; text-decoration:none; flex-shrink:0; transition:var(--tr); }
.contact-icon:hover { background:var(--secondary); transform:scale(1.06); }
.contact-text { text-align:left; flex-grow:1; }
.contact-text h3 { margin-bottom:8px; font-size:1.02rem; }
.phone-numbers { display:flex; flex-direction:column; gap:8px; margin-top:6px; }
.phone-operator { display:flex; align-items:center; gap:8px; }
.operator-logo-sm { width:22px; height:22px; object-fit:contain; }
.phone-link { color:white; text-decoration:none; transition:color .2s; }
.phone-link:hover { color:var(--secondary); }
.clickable { cursor:pointer; transition:color .2s; color:inherit; text-decoration:none; }
.clickable:hover { color:var(--secondary); }

/* ── ABOUT ── */
.about-section { padding:60px 0; background:rgba(44,111,187,.05); }
body.dark-mode .about-section { background:rgba(18,18,18,.8); }
.about-card { max-width:1000px; margin:0 auto; background:var(--card-light); padding:30px; border-radius:15px; box-shadow:0 10px 30px rgba(0,0,0,.1); position:relative; overflow:hidden; }
body.dark-mode .about-card { background:var(--card-dark); box-shadow:0 10px 30px rgba(0,0,0,.3); }
.about-card::before { content:''; position:absolute; top:0; left:0; width:5px; height:100%; background:linear-gradient(to bottom,var(--primary),var(--secondary)); }
.about-content { display:flex; gap:30px; align-items:flex-start; }
.about-icon { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:white; width:60px; height:60px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.8rem; flex-shrink:0; }
.about-text h3 { color:var(--primary); margin-bottom:20px; font-size:1.5rem; }
body.dark-mode .about-text h3 { color:#8ab4f8; }
.about-text p { margin-bottom:20px; line-height:1.7; }
.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:20px; margin:25px 0; }
.feature-item { display:flex; align-items:center; gap:10px; padding:12px 15px; background:rgba(44,111,187,.1); border-radius:8px; }
body.dark-mode .feature-item { background:rgba(44,111,187,.2); }
.feature-item i { color:var(--secondary); font-size:1.2rem; }
.highlight { background:rgba(255,107,0,.1); padding:15px; border-left:3px solid var(--secondary); border-radius:0 8px 8px 0; margin:25px 0; display:flex; gap:10px; }
body.dark-mode .highlight { background:rgba(255,107,0,.15); }
.service-options { margin-top:30px; }
.option { display:flex; gap:15px; margin-bottom:20px; padding-bottom:20px; border-bottom:1px dashed #ddd; }
body.dark-mode .option { border-bottom-color:#444; }
.option:last-child { border-bottom:none; margin-bottom:0; padding-bottom:0; }
.option i { font-size:1.5rem; color:var(--primary); margin-top:5px; }
.option h4 { color:var(--primary); margin-bottom:5px; }
body.dark-mode .option h4 { color:#8ab4f8; }
.option p { color:#666; font-size:.95rem; }
body.dark-mode .option p { color:#aaa; }

/* ── LANG SWITCHER ── */
.lang-switcher { position:relative; }
.lang-globe-btn {
    display:flex; align-items:center; gap:5px;
    background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3);
    color:white; padding:5px 10px; border-radius:6px;
    font-size:.82rem; font-weight:700; cursor:pointer;
    transition:var(--tr); letter-spacing:.03em; white-space:nowrap;
}
.lang-globe-btn:hover { background:rgba(255,255,255,.22); border-color:rgba(255,255,255,.6); }
.lang-globe-btn i { font-size:.85rem; }
.lang-dropdown-menu {
    display:none; position:absolute; top:calc(100% + 6px); right:0;
    background:white; border-radius:8px; overflow:hidden;
    box-shadow:0 8px 24px rgba(0,0,0,.18); min-width:80px; z-index:500;
    animation:fadeInLang .18s ease;
}
body.dark-mode .lang-dropdown-menu { background:var(--card-dark); }
@keyframes fadeInLang { from{opacity:0;transform:translateY(-4px)} to{opacity:1;transform:translateY(0)} }
.lang-dropdown-menu a {
    display:block; padding:9px 16px; font-size:.85rem; font-weight:700;
    color:var(--text-light); text-decoration:none; transition:background .15s;
}
body.dark-mode .lang-dropdown-menu a { color:var(--text-dark); }
.lang-dropdown-menu a:hover { background:rgba(44,111,187,.1); color:var(--primary); }
body.dark-mode .lang-dropdown-menu a:hover { background:rgba(44,111,187,.2); }
.lang-dropdown-menu a.active { color:var(--primary); }
body.dark-mode .lang-dropdown-menu a.active { color:#8ab4f8; }
.lang-switcher.open .lang-dropdown-menu { display:block; }

/* ── FOOTER ── */
footer { background:#0d2c54; color:white; padding:28px 0; text-align:center; margin-top:22px; }
.footer-logo { display:inline-flex; align-items:center; gap:10px; font-size:1.4rem; font-weight:700; color:white; text-decoration:none; margin-bottom:14px; }
.footer-logo i { color:var(--secondary); }
.social-links { display:flex; justify-content:center; gap:16px; margin:12px 0; }
.social-link { display:inline-flex; align-items:center; justify-content:center; width:45px; height:45px; background:rgba(255,255,255,.08); border-radius:50%; color:white; text-decoration:none; font-size:1.1rem; transition:var(--tr); }
.social-link:hover { background:var(--secondary); transform:translateY(-4px); }

/* ── RESPONSIVE ── */
@media (max-width:768px) {
    .about-content { flex-direction:column; }
    .features-grid { grid-template-columns:1fr 1fr; }
    .contact-info { flex-direction:column; align-items:flex-start; padding:0 16px; }
}
@media (max-width:640px) {
    :root { --header-h:58px; }
    nav { display:none; }
    .mobile-menu-btn { display:block; }

    .hero { padding:calc(var(--header-h) + 48px) 16px 56px; }
    .hero h1 { font-size:1.75rem; }
    .hero p  { font-size:.95rem; }
    .hero-buttons { flex-direction:column; align-items:center; gap:10px; }
    .cta-button { width:100%; max-width:320px; justify-content:center; }

    .services-tabs { gap:7px; }
    .tab-btn { padding:8px 14px; font-size:.82rem; }
    .service-grid { grid-template-columns:1fr; }
    .section-title { font-size:1.5rem; }
}
@media (max-width:480px) {
    .features-grid { grid-template-columns:1fr; }
    .about-card { padding:20px; }
}

/* ── ВІДГУКИ / ОТЗЫВЫ ── */
.reviews-section { padding:60px 0; }
.reviews-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; margin-top:8px; }
.review-card {
    background:var(--card-light); border-radius:12px; padding:24px;
    box-shadow:var(--shadow); position:relative; transition:var(--tr);
}
body.dark-mode .review-card { background:var(--card-dark); }
.review-card:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(0,0,0,.13); }
.review-stars { color:#f5a623; font-size:1rem; margin-bottom:10px; letter-spacing:2px; }
.review-text { font-size:.93rem; line-height:1.65; color:var(--text-light); margin-bottom:16px; }
body.dark-mode .review-text { color:var(--text-dark); }
.review-author { display:flex; align-items:center; gap:10px; }
.review-avatar {
    width:40px; height:40px; border-radius:50%;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    color:white; font-weight:700; font-size:.95rem; flex-shrink:0;
}
.review-name { font-weight:600; font-size:.9rem; }
.review-device { font-size:.8rem; color:var(--text-sec); }
.review-quote {
    position:absolute; top:16px; right:18px;
    font-size:3rem; line-height:1; color:var(--primary);
    opacity:.12; font-family:Georgia,serif;
}

/* ── MAP ── */
.map-wrap { border-radius:12px; overflow:hidden; box-shadow:var(--shadow); margin-top:28px; }
.map-wrap iframe { display:block; width:100%; height:280px; border:0; }