*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue: #2563eb; --blue-dark: #1d4ed8; --blue-light: #eff6ff;
  --text: #0f172a; --text-muted: #64748b; --border: #e2e8f0;
  --bg: #ffffff; --bg-gray: #f8fafc; --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.12), 0 8px 32px rgba(0,0,0,.08);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .65s cubic-bezier(.22,.68,0,1.1), transform .65s cubic-bezier(.22,.68,0,1.1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity .6s ease, transform .6s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.stagger > *:nth-child(1) { transition-delay: .00s; }
.stagger > *:nth-child(2) { transition-delay: .09s; }
.stagger > *:nth-child(3) { transition-delay: .18s; }
.stagger > *:nth-child(4) { transition-delay: .27s; }
.stagger > *:nth-child(5) { transition-delay: .36s; }
.stagger > *:nth-child(6) { transition-delay: .45s; }
.stagger > *:nth-child(7) { transition-delay: .54s; }
.stagger > *:nth-child(8) { transition-delay: .63s; }
header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.93); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); transition: box-shadow .3s; }
header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.09); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; flex-shrink: 0; transition: opacity .2s; }
.logo:hover { opacity: .85; }
.logo img { height: 40px; width: auto; object-fit: contain; }
.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-muted); transition: color .2s; white-space: nowrap; position: relative; padding-bottom: 2px; }
.nav-links a::after { content:''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--blue); border-radius: 2px; transition: width .25s; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-shrink: 0; }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.lang-switch button { background: none; border: none; cursor: pointer; font-size: 13px; font-weight: 600; padding: 5px 12px; color: var(--text-muted); transition: background .15s, color .15s; font-family: inherit; }
.lang-switch button.active { background: var(--blue); color: #fff; }
.btn-call { background: var(--blue); color: #fff; padding: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; transition: background .2s, transform .15s; white-space: nowrap; }
.btn-call:hover { background: var(--blue-dark); transform: translateY(-1px); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
.floating-phone {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  display: flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; border-radius: 999px;
  box-shadow: 0 4px 20px rgba(37,99,235,.4), 0 2px 8px rgba(0,0,0,.15);
  padding: 0 20px 0 0; transition: box-shadow .3s, transform .2s;
  white-space: nowrap; cursor: pointer;
}
.floating-phone:hover { box-shadow: 0 6px 28px rgba(37,99,235,.55), 0 4px 12px rgba(0,0,0,.2); transform: translateY(-2px); }
.floating-phone .fp-icon { width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.floating-phone .fp-text { font-size: 14px; font-weight: 700; }
.floating-phone::before { content: ''; position: absolute; inset: 0; border-radius: 999px; border: 2px solid rgba(37,99,235,.6); animation: fp-pulse 2.4s ease-out infinite; }
@keyframes fp-pulse { 0% { transform: scale(1); opacity: .8; } 70% { transform: scale(1.5); opacity: 0; } 100% { transform: scale(1.5); opacity: 0; } }
.btn-tg-link { display: inline-flex; align-items: center; gap: 8px; background: #2CA5E0; color: #fff; padding: 12px 24px; border-radius: 10px; font-size: 15px; font-weight: 600; transition: opacity .2s, transform .15s; width: 100%; justify-content: center; }
.btn-tg-link:hover { opacity: .88; transform: translateY(-1px); }
.cta-section { background: linear-gradient(135deg, #1e40af 0%, #2563eb 60%, #3b82f6 100%); color: #fff; text-align: center; padding: 80px 24px; }
.cta-section h2 { font-size: clamp(24px, 4vw, 38px); font-weight: 700; margin-bottom: 12px; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 36px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn-white { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--blue); padding: 13px 28px; border-radius: 10px; font-size: 15px; font-weight: 700; transition: opacity .2s, transform .15s; }
.btn-white:hover { opacity: .92; transform: translateY(-2px); }
.btn-ghost { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.4); color: #fff; padding: 13px 28px; border-radius: 10px; font-size: 15px; font-weight: 700; transition: background .2s, transform .15s; }
.btn-ghost:hover { background: rgba(255,255,255,.25); transform: translateY(-2px); }
footer { background: #0f172a; color: #94a3b8; padding: 48px 24px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-logo img { height: 38px; filter: brightness(0) invert(1); object-fit: contain; }
.footer-logo span { color: #fff; font-weight: 700; font-size: 17px; }
.footer-desc { font-size: 14px; margin-bottom: 8px; }
.footer-addr { font-size: 13px; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: #94a3b8; transition: color .2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; border-top: 1px solid #1e293b; padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 13px; }
.footer-bottom a { color: #94a3b8; transition: color .2s; }
.footer-bottom a:hover { color: #fff; }
.mobile-menu { display: none; position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.5); backdrop-filter: blur(4px); }
.mobile-menu.open { display: flex; }
.mobile-panel { background: #fff; width: 290px; padding: 24px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; transform: translateX(-100%); transition: transform .3s cubic-bezier(.4,0,.2,1); }
.mobile-menu.open .mobile-panel { transform: translateX(0); }
.mobile-close { background: none; border: none; font-size: 24px; cursor: pointer; align-self: flex-end; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 16px; }
.mobile-nav-links a { font-size: 16px; font-weight: 500; transition: color .2s; }
.mobile-nav-links a:hover { color: var(--blue); }
.mobile-lang { display: flex; gap: 8px; }
.mobile-lang button { flex: 1; padding: 8px; border: 1px solid var(--border); border-radius: 8px; background: none; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--text-muted); font-family: inherit; transition: all .15s; }
.mobile-lang button.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.mob-btn-tg { display: flex; align-items: center; gap: 8px; background: #2CA5E0; color: #fff; padding: 12px 20px; border-radius: 10px; font-size: 15px; font-weight: 600; justify-content: center; transition: opacity .2s; }
.mob-btn-tg:hover { opacity: .88; }
.mob-btn-phone { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 14px; font-weight: 500; justify-content: center; }
@media (max-width: 900px) { .nav-links { display: none; } .btn-call.desktop-only { display: none; } .hamburger { display: flex; } }
@media (max-width: 600px) { .footer-inner { grid-template-columns: 1fr 1fr; } .floating-phone { bottom: 20px; right: 20px; } }
@media (max-width: 400px) { .footer-inner { grid-template-columns: 1fr; } }