/* WeLinkTax — standalone investor landing page
   Deliberately independent of the marketplace theme and Vite build. */

:root {
    /* Palette — restrained professional-services blue, no gradients */
    --ink:         #12263a;
    --ink-soft:    #3d5063;
    --muted:       #64748b;
    --border:      #e3e9f0;
    --surface:     #ffffff;
    --surface-alt: #f6f9fc;
    --accent:      #0a5c8c;
    --accent-ink:  #084366;

    /* Status label tints (text + background pairs, 4.5:1 on their tint) */
    --green-ink: #0f6b46; --green-bg: #e6f4ed;
    --blue-ink:  #0a5c8c; --blue-bg:  #e7f1f8;
    --teal-ink:  #0b6e6a; --teal-bg:  #e2f3f2;
    --amber-ink: #8a5a0b; --amber-bg: #fbf1dc;

    --max-width: 1080px;
    --radius:    12px;
    --radius-sm: 8px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--surface);
    line-height: 1.65;
    font-size: 1rem;
}

/* Sans-serif headings to match the marketplace site font (Poppins) */
h1, h2, .wordmark {
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-weight: 700;
    line-height: 1.18;
    color: var(--ink);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.5rem; color: var(--ink); }
p  { margin: 0 0 1rem; }
a  { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Language switcher (top strip — locale control only, not a navbar) ---- */
.langbar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.25rem 0;
    display: flex;
    justify-content: flex-end;
}

.lang-switcher {
    display: inline-flex;
    gap: 0.25rem;
    font-size: 0.875rem;
}

.lang-switcher a {
    color: var(--muted);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.lang-switcher a:hover { color: var(--ink); text-decoration: none; }

.lang-switcher a[aria-current="page"] {
    color: var(--accent-ink);
    border-color: var(--border);
    background: var(--surface-alt);
    font-weight: 600;
}

/* ---- Layout primitives ---- */
.shell {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
}

.section-alt {
    background: var(--surface-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-intro {
    max-width: 46rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

@media (min-width: 720px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.section-alt .card { background: var(--surface); }

.card ul {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--ink-soft);
}

.card li { margin-bottom: 0.4rem; }

/* ---- Hero ---- */
.hero {
    padding: 4.5rem 0 3.5rem;
    text-align: center;
}

.wordmark {
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    color: var(--accent);
    margin: 0 0 1.5rem;
}

.hero-tagline {
    max-width: 20ch;
    margin-left: auto;
    margin-right: auto;
    text-wrap: balance;
}

.hero-subtitle {
    max-width: 40rem;
    margin: 1.25rem auto 1.75rem;
    color: var(--ink-soft);
    font-size: 1.1rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
}

.status-pill::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
}

/* Hero "in development" pill — amber */
.hero .status-pill {
    color: var(--amber-ink);
    background: var(--amber-bg);
}

/* ---- Ecosystem cards (vertical stack of full-width cards, narrative order) ---- */
.ecosystem-cards {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.eco-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.eco-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.eco-name { margin: 0; }

.eco-name a {
    color: var(--ink);
    font-weight: 700;
}

.eco-name a:hover { color: var(--accent); text-decoration: none; }

.eco-name .ext { color: var(--muted); font-size: 0.9em; margin-left: 0.25rem; }

.eco-role {
    color: var(--ink-soft);
    font-weight: 600;
    margin: 0.5rem 0 0.25rem;
}

.eco-detail { color: var(--muted); margin: 0; }

/* Status label variants */
.status--operating          { color: var(--green-ink); background: var(--green-bg); }
.status--established        { color: var(--blue-ink);  background: var(--blue-bg); }
.status--operating-expanding{ color: var(--teal-ink);  background: var(--teal-bg); }
.status--in-development      { color: var(--amber-ink); background: var(--amber-bg); }
.status--default            { color: var(--ink-soft);  background: var(--surface-alt); }

/* ---- Vision ---- */
.markets {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
    margin: 1.25rem 0 0.5rem;
}

.disclaimer {
    color: var(--muted);
    font-size: 0.9rem;
}

/* ---- Track record ---- */
.track-lead {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink);
}

/* ---- Closing ---- */
.closing-line {
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--ink);
    margin: 0;
}

/* ---- Contact ---- */
.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    margin-top: 1.5rem;
    max-width: 44rem;
}

.entity {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.entity-zh {
    display: block;
    font-weight: 400;
    color: var(--ink-soft);
    font-size: 1rem;
    margin-top: 0.25rem;
}

.contact-card dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1.25rem;
}

.contact-card dt {
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
}

.contact-card dd {
    margin: 0;
    color: var(--ink-soft);
}

.contact-card dd a {
    display: block;
    color: var(--accent);
    margin-bottom: 0.15rem;
}

/* ---- Footer / page end ---- */
.page-end {
    padding: 1.5rem 0 3rem;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

/* ---- Static pages (file-based i18n) ---- */
.notice {
    background: var(--amber-bg);
    color: var(--amber-ink);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
}

.bullets {
    margin: 0.5rem 0 0;
    padding-left: 1.1rem;
    color: var(--ink-soft);
}

.bullets li { margin-bottom: 0.4rem; }

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
}

.faq-item h3 { margin-bottom: 0.5rem; }
.faq-item p { margin: 0; color: var(--ink-soft); }

/* ---- Contact page (file-based i18n) ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.contact-block h2 { font-size: 1.05rem; margin-bottom: 0.75rem; }
.contact-block p { margin: 0 0 0.4rem; color: var(--ink-soft); }
.contact-block p:last-child { margin-bottom: 0; }
.contact-block a { color: var(--accent); }

.contact-form {
    max-width: 34rem;
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.35rem;
    font-weight: 600;
    color: var(--ink);
}

.contact-form input,
.contact-form textarea {
    font: inherit;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form button {
    justify-self: start;
    font: inherit;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.65rem 1.4rem;
    cursor: pointer;
}

.contact-form button:hover { background: var(--accent-ink); }

@media (min-width: 720px) {
    .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .section { padding-top: 2.75rem; padding-bottom: 2.75rem; }
    .hero { padding-top: 3.25rem; }
    .contact-card dl { grid-template-columns: 1fr; gap: 0.25rem 0; }
    .contact-card dt { margin-top: 0.75rem; }
}