:root {
    /* Dark teal palette matched to the logo background */
    --bg: #071a23;
    --card: #0b2230;
    --text: #e9eef5;
    --muted: #a7b6c2;
    --accent: #36c2d6; /* soft teal accent */
    --accent-contrast: #061217;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1200px 800px at 70% -10%, #0f2a35 0%, #071a23 60%), var(--bg);
    color: var(--text);
    display: grid;
    place-items: center;
}

.container {
    width: min(960px, 92vw);
    text-align: center;
}

.logo {
    width: 160px;
    height: auto;
    object-fit: contain;
    margin: 32px auto 16px;
    display: block;
    filter: drop-shadow(0 6px 20px rgba(0,0,0,0.35));
}

.counter {
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.35);
}

.time {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.time-segment {
    background: var(--card);
    border-radius: 12px;
    padding: 18px 10px;
    border: 1px solid rgba(255,255,255,0.06);
}

.time-segment span {
    font-size: clamp(28px, 6vw, 56px);
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text);
    display: block;
}

.time-segment label {
    margin-top: 6px;
    display: block;
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.done {
    margin-top: 18px;
    color: var(--accent);
    font-weight: 600;
}

.contact {
    margin: 22px 0 40px;
}

.contact a {
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px dashed rgba(255,255,255,0.35);
}

.contact a:hover { color: var(--accent); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 540px) {
    .time { grid-template-columns: repeat(2, 1fr); }
}

/* PDF viewer */
.pdf-viewer { margin: 28px 0 40px; }
.pdf-toolbar {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 12px;
}
.btn {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 10px;
    padding: 10px 14px;
    cursor: pointer;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-contrast); border-color: transparent; }
.btn-primary:hover { filter: brightness(1.05); }

.pdf-frame-wrap {
    background: var(--card);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.pdf-container { display:none; }
.pdf-page { display:none; }
.pdf-loading { display:none; }

.pdf-fallback { color: var(--muted); margin-top: 10px; }

#pdfFrame { width: 100%; height: min(80vh, 900px); border: none; display: block; }