:root {
  --bg: #f7f8fb;
  --header-bg: #eef2f6;
  --footer-bg: #f6f8fa;
  --surface: #fbfcfd;
  --text: #0f1728;
  --muted: #667085;
  --muted-soft: #7c8797;
  --line: #d8e0ea;
  --line-soft: #e7edf3;
  --shadow-soft: 0 12px 28px rgba(15, 23, 40, 0.045);
  --shadow-hover: 0 18px 36px rgba(15, 23, 40, 0.075);
  --radius-card: 24px;
  --container: 1380px;
  --a2-blue: #5faee6;
  --a2-blue-dark: #4d9bd7;
  --a2-orange: #ebaa1f;
  --dev-bg: #fff8ea;
  --dev-line: #edd29a;
  --dev-text: #8d5a00;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fcfcfd 0%, var(--bg) 100%);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.site-header, .site-footer { width: 100%; }
.site-header { background: var(--header-bg); border-bottom: 1px solid #edf2f7; }
.site-footer { background: var(--footer-bg); border-top: 1px solid var(--line-soft); margin-top: auto; }
.container, .site-main { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.site-main { flex: 1; }
.header-inner { padding: 24px 0 20px; }
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-logo-wrap { display: flex; align-items: center; gap: 18px; min-width: 0; }
.brand-logo { max-height: 60px; width: auto; }
.brand-fallback { display: none; font-size: clamp(1.85rem, 4vw, 2.7rem); font-weight: 800; letter-spacing: -0.05em; }
.dev-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px;
  background: linear-gradient(180deg, #fffdf7 0%, var(--dev-bg) 100%); border: 1px solid var(--dev-line);
  color: var(--dev-text); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  box-shadow: 0 8px 18px rgba(143, 93, 0, 0.065); white-space: nowrap; max-width: 100%;
}
.dev-dot { width: 9px; height: 9px; border-radius: 999px; background: #d97706; box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12); }
.hero { padding: 34px 0 14px; }
.hero h1 { margin: 0; font-size: clamp(1.95rem, 4vw, 2.8rem); line-height: 1.05; letter-spacing: -0.055em; }
.hero p { margin: 14px 0 0; max-width: 68ch; color: var(--muted); font-size: 1.02rem; line-height: 1.65; }
.apps-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; padding: 34px 0 46px; }
.app-link { grid-column: span 4; min-width: 0; }
.app-card {
  position: relative; height: 100%; min-height: 152px; display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 38px; align-items: stretch; overflow: hidden;
  border-radius: var(--radius-card); background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  border: 1px solid #d6dfe8; box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.app-link:hover .app-card, .app-link:focus-visible .app-card { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #cbd4de; }
.app-tile {
  position: relative; display: grid; place-items: center; padding: 10px; min-height: 100%; text-align: center;
  background: linear-gradient(180deg, var(--tile-bg, var(--a2-blue)) 0%, var(--tile-bg-2, var(--a2-blue-dark)) 100%);
  border-right: 1px solid rgba(0, 0, 0, 0.06); border-radius: var(--radius-card) 0 0 var(--radius-card); overflow: hidden;
}
.app-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0) 60%); pointer-events: none; }
.app-code {
  position: relative; z-index: 1; font-size: clamp(1.95rem, 3vw, 2.55rem); font-weight: 900; letter-spacing: -0.05em;
  color: var(--tile-text, var(--a2-orange));
  text-shadow: -1px -1px 0 rgba(0,0,0,0.6), 1px -1px 0 rgba(0,0,0,0.6), -1px 1px 0 rgba(0,0,0,0.6), 1px 1px 0 rgba(0,0,0,0.6), 0 2px 5px rgba(0,0,0,0.14);
}
.app-content { min-width: 0; display: flex; flex-direction: column; justify-content: center; padding: 18px 16px 16px 18px; }
.app-title { margin: 0; font-size: 1.42rem; line-height: 1.1; letter-spacing: -0.045em; }
.app-description { margin: 10px 0 0; color: #475467; font-size: 0.98rem; line-height: 1.52; }
.app-domain { margin: 10px 0 0; color: var(--muted-soft); font-size: 0.82rem; line-height: 1.4; word-break: break-word; }
.app-arrow-wrap { display: flex; align-items: flex-start; justify-content: center; padding-top: 14px; }
.app-arrow { width: 27px; height: 27px; border-radius: 999px; border: 1px solid #bcc6d1; color: #334155; display: grid; place-items: center; background: rgba(255,255,255,0.72); }
.footer-inner { padding: 15px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-brand { display: inline-flex; align-items: center; gap: 12px; }
.footer-brand img { width: 30px; height: 30px; border-radius: 8px; }
.footer-brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.footer-brand-name { font-weight: 800; font-size: 1rem; }
.footer-brand-tag { color: #6b7280; font-size: 0.83rem; }
.lang-switch { display: inline-flex; align-items: center; gap: 10px; font-size: 0.77rem; text-transform: uppercase; letter-spacing: 0.08em; }
.lang-switch a { color: var(--muted); }
.lang-switch a.active { color: var(--text); font-weight: 800; }
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.center-card { width: min(100%, 520px); background: white; border-radius: 24px; border: 1px solid var(--line); box-shadow: var(--shadow-soft); padding: 32px; text-align: center; }
.center-card h1 { margin: 0 0 10px; letter-spacing: -0.04em; }
.center-card p { margin: 0 0 20px; color: var(--muted); line-height: 1.65; }
.center-link { display: inline-flex; align-items: center; justify-content: center; min-width: 220px; padding: 14px 18px; border-radius: 16px; background: var(--a2-blue-dark); color: white; font-weight: 700; }
@media (max-width: 1180px) { .app-link { grid-column: span 6; } }
@media (max-width: 820px) {
  .header-inner { padding: 18px 0 18px; }
  .brand-row { align-items: flex-start; flex-direction: column; gap: 12px; }
  .brand-logo-wrap { gap: 12px; flex-direction: column; align-items: flex-start; }
  .brand-logo { max-height: 54px; }
  .dev-badge { white-space: normal; line-height: 1.25; }
}
@media (max-width: 760px) {
  .container, .site-main { width: min(calc(100% - 28px), var(--container)); }
  .hero { padding-top: 26px; }
  .apps-grid { gap: 14px; padding-top: 26px; padding-bottom: 30px; }
  .app-link { grid-column: span 12; }
  .app-card { grid-template-columns: 96px minmax(0, 1fr) 32px; min-height: 142px; }
  .app-content { padding: 16px 14px 15px 16px; }
  .app-title { font-size: 1.22rem; }
  .app-description { font-size: 0.92rem; }
  .app-domain { font-size: 0.79rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}
@media (max-width: 460px) {
  .container, .site-main { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { padding: 16px 0; }
  .brand-logo { max-height: 46px; }
  .dev-badge { font-size: 0.71rem; padding: 7px 11px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 0.95rem; line-height: 1.6; }
  .apps-grid { padding-top: 24px; padding-bottom: 26px; }
  .app-card { grid-template-columns: 88px minmax(0, 1fr) 30px; min-height: 136px; }
  .app-code { font-size: 1.85rem; }
  .app-content { padding: 14px 12px 13px 14px; }
  .app-title { font-size: 1.12rem; }
  .app-description { font-size: 0.88rem; }
  .footer-inner { padding: 14px 0 16px; }
}