:root {
  --bg: #F6F7F9; --card: #FFFFFF; --ink: #0F1B2D; --ink2: #4A5568; --muted: #5F6B7A; --line: #E2E5EA;
  --accent: #0B6E66; --accent-deep: #08524C; --accent-soft: #E3F4F1; --good: #12936F;
  --warn: #B86E00; --warn-soft: #FDF1DC; --warn-ink: #7A4700; --navy: #0F1B2D;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif; }
a { color: var(--accent); } a:hover { color: var(--accent-deep); }
img, svg { display: block; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 6px; }
.skip:focus { left: 8px; z-index: 10; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 18px; }
.brand svg { color: var(--accent); }
.brand b { color: var(--accent); font-weight: 700; }
.nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; font-size: 15px; }
.nav a:not(.btn) { color: var(--ink2); text-decoration: none; }
.nav a:not(.btn):hover { color: var(--ink); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 8px; border: 1px solid #CBD2DB;
       background: var(--card); color: var(--ink); font-weight: 600; font-size: 15px; text-decoration: none; }
.btn:hover { border-color: var(--accent); color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-deep); color: #fff; }
.btn.small { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn.wide { width: 100%; }

/* hero */
.hero { padding: 64px 0 56px; }
.hero-grid { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.hero-copy { flex: 999 1 480px; min-width: 0; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.02em; margin: 18px 0 18px; }
.lead { font-size: 19px; color: var(--ink2); margin: 0 0 26px; max-width: 600px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--ink2); font-size: 15px; }
.ticks li { display: flex; align-items: center; gap: 8px; }
.ticks li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B6E66' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat; flex: none; }

.status { display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 500;
          background: #EEF0F3; color: var(--ink2); }
.status .dot { width: 9px; height: 9px; border-radius: 50%; background: #8A94A3; }
.status.open { background: var(--accent-soft); color: var(--accent-deep); } .status.open .dot { background: var(--good); }
.status.closed { background: var(--warn-soft); color: var(--warn-ink); } .status.closed .dot { background: var(--warn); }
.status.big { margin-top: 8px; font-size: 15px; }

/* hero illustration */
.hero-card { flex: 1 1 380px; max-width: 480px; margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 18px 50px rgba(15,27,45,.10); overflow: hidden; }
.hero-card figcaption { font-size: 12px; color: var(--muted); padding: 0 18px 14px; }
.mock-top { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #FAFBFC; }
.mock-top span { width: 10px; height: 10px; border-radius: 50%; background: #D5DAE1; }
.mock-top em { font-style: normal; font-size: 12px; color: var(--muted); margin-left: 10px; font-family: 'IBM Plex Mono', monospace; }
.mock-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.mock-banner { background: var(--navy); color: #fff; border-radius: 10px; padding: 14px 16px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.mock-banner small { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #AFC0D6; }
.mock-banner strong { display: block; font-size: 15px; }
.mock-banner span { font-size: 12px; color: #D5DEEA; }
.mock-time { text-align: right; } .mock-time strong { font-family: 'IBM Plex Mono', monospace; font-size: 22px; }
.mock-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mock-lab { border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.mock-lab strong { font-size: 14px; } .mock-lab span { color: var(--muted); }
.mock-lab i { font-style: normal; margin-top: 6px; text-align: center; border: 1px solid var(--accent); color: var(--accent); border-radius: 6px; padding: 5px; font-weight: 600; }
.mock-lab.on { border-color: #9BD3CA; } .mock-lab.on i { background: var(--accent); color: #fff; }
.mock-tasks { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.mock-tasks li { display: flex; align-items: center; gap: 10px; }
.mock-tasks li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 1px solid #CBD2DB; flex: none; }
.mock-tasks li.done::before { background: var(--accent); border-color: var(--accent); }
.mock-tasks li.now::before { border: 2px solid var(--accent); }

/* sections */
.section { padding: 72px 0; }
.section.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -0.01em; margin: 0 0 10px; }
.section-lead { color: var(--ink2); font-size: 17px; margin: 0 0 32px; max-width: 680px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.section.alt .card { background: var(--bg); }
.card h3 { margin: 10px 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--ink2); }
.ic { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.note { margin: 22px 0 0; color: var(--ink2); }
.list { margin: 0; padding-left: 20px; color: var(--ink2); display: flex; flex-direction: column; gap: 6px; }

.steps { list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.steps li { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.steps h3 { margin: 12px 0 6px; font-size: 19px; }
.steps p { margin: 0; color: var(--ink2); }
.num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; }

.hours { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
.hours > div { flex: 999 1 440px; min-width: 0; }
.schedule { flex: 1 1 340px; border-collapse: collapse; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.schedule th, .schedule td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
.schedule tr:last-child th, .schedule tr:last-child td { border-bottom: 0; }
.schedule th { font-weight: 500; color: var(--ink2); }
.schedule td { font-weight: 600; }

.contact { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
.contact > div:first-child { flex: 999 1 440px; min-width: 0; }
.contact-card { flex: 1 1 340px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; box-shadow: 0 8px 30px rgba(15,27,45,.06); }
.contact-line { margin: 14px 0 0; }
.muted { color: var(--muted); font-size: 14px; }

.site-footer { border-top: 1px solid var(--line); background: var(--card); }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 18px; }

/* simple content pages */
.page { max-width: 780px; margin: 0 auto; padding: 56px 24px 80px; }
.page h1 { font-size: 36px; margin: 0 0 8px; }
.page h2 { font-size: 22px; margin: 32px 0 8px; }
.page p, .page li { color: var(--ink2); }

@media (max-width: 720px) {
  .nav { gap: 14px; font-size: 14px; }
  .nav a[href="#how"], .nav a[href="#institutes"] { display: none; }
  .hero { padding-top: 40px; }
  .section { padding: 56px 0; }
}