/* ============================================================================
   Design B — "Ocean Sky, after dusk"
   An alternative tone for the same company: deep sea-navy with a warm brass
   accent — the colours of a boutique hotel at dusk (the horizon glow of
   "Ocean Sky"), and a quieter, more hospitality-led feel than the teal site.
   ========================================================================= */

:root {
    --bg: #08192a;
    --ink: #f3ede2;                               /* warm off-white */
    --ink-soft: rgba(243, 237, 226, .70);
    --ink-faint: rgba(243, 237, 226, .44);

    --accent: #c9a76a;                            /* brass / champagne */
    --accent-strong: #e0c391;
    --accent-soft: rgba(201, 167, 106, .14);

    --line: rgba(224, 195, 145, .28);
    --panel: rgba(255, 255, 255, .045);
    --panel-line: rgba(224, 195, 145, .22);
    --panel-shadow: 0 40px 80px -50px rgba(0, 0, 0, .9);
    --focus: #e0c391;

    --font-sans: "Jost", "Helvetica Neue", Arial,
                 "PingFang HK", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC",
                 -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg);
    background-image:
        radial-gradient(115% 62% at 50% 116%, rgba(201, 167, 106, .22), rgba(201, 167, 106, 0) 62%),
        radial-gradient(90% 55% at 50% -8%, rgba(72, 132, 176, .38), rgba(72, 132, 176, 0) 70%),
        linear-gradient(180deg, #061626 0%, #0a2338 38%, #123350 64%, #08192a 100%);
    background-attachment: fixed;
    letter-spacing: .03em;
}

/* soft spotlight that follows the pointer (progressively enhanced by JS) */
.spotlight {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(30rem 30rem at var(--spot-x, 50%) var(--spot-y, 12%),
                rgba(201, 167, 106, .10), rgba(201, 167, 106, 0) 68%);
    transition: background-position .3s linear;
}

/* the watermark sits low, like a reflection on the water */
.wash-mark {
    bottom: -20%;
    left: -30%;
    width: min(78vw, 700px);
    opacity: .045;
}

/* -------------------------------------------------------------------- brand */
.brand { gap: clamp(1rem, 3vw, 1.5rem); }

/* The brand image is the original logo file (assets/img/oshm-logo.png): the mark
   and the OSHM wordmark in the client's own lettering. The filter repaints it
   white for this navy page — brightness(0) flattens every shape to black,
   invert(1) flips that to white — so the logo keeps its exact shapes and its own
   font; only the colour changes, and the PNG itself is untouched. */
.brand-mark {
    filter: brightness(0) invert(1);
    opacity: .96;
}

.brand-tagline {
    font-weight: 400;
    letter-spacing: .2em;
    color: var(--ink-soft);
}

.brand-tagline:lang(zh) { letter-spacing: .16em; }

/* -------------------------------------------------------------------- rule */
.horizon {
    width: min(100%, 30rem);
    height: 1px;
    border: 0;
    background: linear-gradient(90deg,
                rgba(224, 195, 145, 0) 0%,
                rgba(224, 195, 145, .55) 50%,
                rgba(224, 195, 145, 0) 100%);
}

.horizon::before {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    margin: -.5px auto 0;
    background: var(--accent);
    transform: rotate(45deg);
}

/* ------------------------------------------------------------------- notice */
.notice-title {
    font-weight: 400;
    letter-spacing: .07em;
    color: var(--ink);
}

.notice-lead { color: var(--ink-soft); }

/* ------------------------------------------------------------------ contact */
.contact-title { color: var(--accent); }

.contact-list {
    background: transparent;
    border-radius: 2px;
    border-color: var(--panel-line);
    box-shadow: var(--panel-shadow);
    backdrop-filter: blur(3px);
}

.contact-item {
    background: var(--panel);
    gap: 1.1rem;
    padding: clamp(1.1rem, 3.4vw, 1.5rem) clamp(1.1rem, 3.4vw, 1.6rem);
}

.ci-icon {
    background: transparent;
    border: 1px solid var(--panel-line);
    color: var(--accent);
}

.ci-label { color: var(--accent); opacity: .85; }

.ci-value { font-weight: 300; }

a.ci-value { text-decoration-color: var(--line); }

a.ci-value:hover { color: var(--accent-strong); }

/* ------------------------------------------------------------------- footer */
.langs {
    border-color: var(--panel-line);
    background: rgba(255, 255, 255, .03);
}

.langs a[aria-current] {
    color: #0a1c2e;
    background: var(--accent);
}

.copyright { color: var(--ink-faint); }

/* -------------------------------------------------------------- responsive */
@media (min-width: 48rem) {

    .contact-list {
        grid-template-columns: 1fr;   /* keep the single, hotel-concierge style list */
    }

    .notice-title { font-size: clamp(1.75rem, 3.1vw, 2.5rem); }
}

/* shorter laptop screens: keep the whole page on one screen */
@media (min-width: 60rem) and (max-height: 60rem) {

    .brand-tagline { font-size: .75rem; }
    .notice-title { font-size: clamp(1.5rem, 4vw, 2.2rem); }
}