/* ==========================================================================
   Hongqiao Partners — Primary Stylesheet
   Brand: Discreet Boutique (Option A)
   Palette: Ink Black, Bone White, Slate Gray, Imperial Gold
   ========================================================================== */

/* Premium serif from Google Fonts — Cormorant Garamond is the closest free
   approximation of Tiempos Headline / Canela. For production, license the
   real typeface. */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600&family=Cormorant:ital,wght@0,300;0,400;0,500;1,400&family=Noto+Serif+SC:wght@300;400;500;600&family=Noto+Sans:wght@300;400;500&display=swap');

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --ink-black: #0A0A0A;
    --bone-white: #F4F1EA;
    --bone-warm: #EBE7DD;
    --slate-gray: #3A3A3A;
    --slate-mute: #6B6660;
    --imperial-gold: #B8923D;
    --gold-soft: #C9A658;
    --rule-color: rgba(10, 10, 10, 0.12);
    --rule-strong: rgba(10, 10, 10, 0.22);

    --font-display: 'Cormorant Garamond', 'Noto Serif SC', Georgia, serif;
    --font-display-italic: 'Cormorant', Georgia, serif;
    --font-cjk: 'Noto Serif SC', 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;

    --gutter: clamp(1.5rem, 4vw, 3.5rem);
    --max-width: 1200px;
    --reading-width: 640px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--bone-white);
    color: var(--ink-black);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.65;
    overflow-x: hidden;
}

/* Language-specific body class for CJK */
body.lang-zh {
    font-family: var(--font-cjk);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease, color 0.3s ease;
}

a:hover {
    opacity: 0.65;
}

::selection {
    background: var(--imperial-gold);
    color: var(--bone-white);
}

/* Accessibility — visible focus for keyboard users */
a:focus-visible,
button:focus-visible {
    outline: 1px solid var(--imperial-gold);
    outline-offset: 4px;
}

.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;
}

/* --------------------------------------------------------------------------
   The Seal Dot — the signature brand element
   -------------------------------------------------------------------------- */

.seal-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--imperial-gold);
    vertical-align: middle;
    margin: 0 0.5em;
}

.seal-dot--lg {
    width: 10px;
    height: 10px;
}

.seal-dot--xl {
    width: 14px;
    height: 14px;
    margin: 0 0.75em;
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(244, 241, 234, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 0.5px solid var(--rule-color);
}

.site-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem var(--gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.wordmark {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    color: var(--ink-black);
    line-height: 1;
}

.wordmark__cjk {
    font-family: var(--font-cjk);
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.wordmark__divider {
    width: 6px;
    height: 6px;
    background: var(--imperial-gold);
    flex-shrink: 0;
}

.wordmark__en {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ink-black);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--slate-gray);
}

.site-nav a {
    position: relative;
    padding-bottom: 2px;
}

.site-nav a.is-active {
    color: var(--ink-black);
}

.site-nav a.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 1px;
    background: var(--imperial-gold);
}

.lang-toggle {
    color: var(--imperial-gold);
    font-weight: 500;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--ink-black);
}

.nav-toggle__bar {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--ink-black);
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

main {
    min-height: 60vh;
}

.section {
    padding: clamp(4rem, 9vw, 8rem) var(--gutter);
}

.section--tight {
    padding: clamp(3rem, 6vw, 5rem) var(--gutter);
}

.section__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.eyebrow {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--imperial-gold);
    margin-bottom: 1.5rem;
    display: block;
}

.rule {
    width: 48px;
    height: 1px;
    background: var(--imperial-gold);
    margin: 0 0 2rem;
    border: 0;
}

.rule--center {
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   Typography — Hero, Headlines, Body
   -------------------------------------------------------------------------- */

.h-hero {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--ink-black);
    margin-bottom: 2rem;
    max-width: 18ch;
}

.h-section {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--ink-black);
    margin-bottom: 1.5rem;
}

.h-practice {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    line-height: 1.2;
    letter-spacing: -0.005em;
    color: var(--ink-black);
    margin-bottom: 1rem;
}

.lead {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
    line-height: 1.7;
    color: var(--slate-gray);
    max-width: var(--reading-width);
    margin-bottom: 2rem;
}

.body-text {
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.7;
    color: var(--slate-gray);
    max-width: var(--reading-width);
}

.body-text p + p {
    margin-top: 1.25rem;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ink-black);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--ink-black);
    transition: padding 0.3s ease, letter-spacing 0.3s ease;
}

.cta-link::after {
    content: '→';
    font-size: 14px;
    letter-spacing: 0;
    transition: transform 0.3s ease;
}

.cta-link:hover {
    opacity: 1;
    letter-spacing: 0.32em;
}

.cta-link:hover::after {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Hero (Home)
   -------------------------------------------------------------------------- */

.hero {
    padding: clamp(4rem, 10vw, 8rem) var(--gutter) clamp(4rem, 9vw, 7rem);
    position: relative;
    overflow: hidden;
}

.hero__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
}

.hero__intro {
    max-width: 760px;
}

.hero__cjk-watermark {
    position: absolute;
    right: var(--gutter);
    bottom: -3rem;
    font-family: var(--font-cjk);
    font-size: clamp(8rem, 18vw, 16rem);
    color: var(--imperial-gold);
    opacity: 0.07;
    line-height: 0.85;
    pointer-events: none;
    user-select: none;
    letter-spacing: -0.05em;
}

.hero__cta {
    margin-top: 3rem;
}

/* Page hero (Practice, Contact) */

.page-hero {
    padding: clamp(4rem, 8vw, 6.5rem) var(--gutter) clamp(2.5rem, 5vw, 4rem);
    border-bottom: 0.5px solid var(--rule-color);
}

.page-hero__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--ink-black);
    margin-bottom: 1.5rem;
}

.page-hero__lead {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: 1.7;
    color: var(--slate-gray);
    max-width: var(--reading-width);
}

/* --------------------------------------------------------------------------
   Practice areas
   -------------------------------------------------------------------------- */

.practice-list {
    list-style: none;
}

.practice-item {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    border-bottom: 0.5px solid var(--rule-color);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
}

.practice-item:last-child {
    border-bottom: 0;
}

.practice-item__index {
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--imperial-gold);
    padding-top: 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.practice-item__index .seal-dot {
    margin: 0;
}

.practice-item__body {
    max-width: var(--reading-width);
}

/* --------------------------------------------------------------------------
   Discretion / Quote block
   -------------------------------------------------------------------------- */

.discretion {
    background: var(--bone-warm);
    padding: clamp(4rem, 8vw, 6rem) var(--gutter);
    border-top: 0.5px solid var(--rule-color);
    border-bottom: 0.5px solid var(--rule-color);
}

.discretion__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.discretion blockquote {
    font-family: var(--font-display-italic);
    font-style: italic;
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
    line-height: 1.55;
    color: var(--ink-black);
    max-width: 720px;
    margin: 2rem auto 0;
}

/* --------------------------------------------------------------------------
   Two-column section (Home: Who we serve / What we do)
   -------------------------------------------------------------------------- */

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 6vw, 5rem);
    margin-top: 3rem;
}

.two-col__cell h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--ink-black);
}

/* --------------------------------------------------------------------------
   Contact details block
   -------------------------------------------------------------------------- */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 6vw, 5rem);
    padding: clamp(3rem, 6vw, 5rem) 0;
    border-bottom: 0.5px solid var(--rule-color);
}

.contact-label {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--imperial-gold);
    margin-bottom: 1rem;
}

.contact-value {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    color: var(--ink-black);
    line-height: 1.4;
}

.contact-value a {
    border-bottom: 1px solid var(--imperial-gold);
    padding-bottom: 2px;
}

.contact-note {
    font-family: var(--font-display);
    font-size: 15px;
    color: var(--slate-mute);
    margin-top: 0.75rem;
    line-height: 1.6;
}

/* Partners section on contact */
.partners-block {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.partners-block__body {
    max-width: var(--reading-width);
}

/* --------------------------------------------------------------------------
   Logo strip — placeholder for future brand logos
   -------------------------------------------------------------------------- */

.credentials {
    padding: clamp(3rem, 5vw, 4rem) var(--gutter);
    border-top: 0.5px solid var(--rule-color);
    text-align: center;
}

.credentials__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.credentials__label {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--slate-mute);
    margin-bottom: 2rem;
}

.credentials__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
    opacity: 0.55;
    filter: grayscale(100%);
}

.credentials__logos img {
    max-height: 36px;
    width: auto;
}

/* Hide the logos container completely when it has no <img> children.
   When you add logos later, this rule no longer matches and they appear. */
.credentials__logos:not(:has(img)) {
    display: none;
}

/* Placeholder category text — shown by default. When logos are added,
   add the .has-logos class to .credentials__inner to hide this. */
.credentials__placeholder {
    font-family: var(--font-display-italic);
    font-style: italic;
    color: var(--slate-mute);
    font-size: 15px;
    line-height: 1.7;
}

.credentials__inner:has(.credentials__logos img) .credentials__placeholder {
    display: none;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
    background: var(--ink-black);
    color: var(--bone-white);
    padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(2rem, 4vw, 3rem);
}

.site-footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.site-footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    padding-bottom: 3rem;
    border-bottom: 0.5px solid rgba(244, 241, 234, 0.15);
}

.site-footer .wordmark__cjk,
.site-footer .wordmark__en {
    color: var(--bone-white);
}

.site-footer__tagline {
    font-family: var(--font-display-italic);
    font-style: italic;
    color: rgba(244, 241, 234, 0.7);
    font-size: 15px;
    margin-top: 1.5rem;
    max-width: 28ch;
    line-height: 1.55;
}

.footer-col__title {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--imperial-gold);
    margin-bottom: 1.25rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.65rem;
    font-family: var(--font-display);
    font-size: 15px;
    color: rgba(244, 241, 234, 0.85);
}

.site-footer__bottom {
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(244, 241, 234, 0.55);
}

/* --------------------------------------------------------------------------
   Motion preferences
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 880px) {
    body { font-size: 16px; }

    .site-header__inner {
        padding: 1.15rem var(--gutter);
    }

    .wordmark__cjk { font-size: 22px; }
    .wordmark__en {
        font-size: 9px;
        letter-spacing: 0.28em;
    }

    .nav-toggle { display: block; }

    .site-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(85vw, 360px);
        height: 100vh;
        background: var(--bone-white);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 4rem var(--gutter);
        transform: translateX(100%);
        transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        border-left: 0.5px solid var(--rule-color);
        gap: 2rem;
        z-index: 50;
    }

    .site-nav.is-open { transform: translateX(0); }
    .site-nav a { font-size: 13px; letter-spacing: 0.24em; }

    .practice-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .two-col,
    .contact-grid,
    .site-footer__top {
        grid-template-columns: 1fr;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__cjk-watermark {
        font-size: clamp(7rem, 28vw, 12rem);
        bottom: -1.5rem;
    }
}

@media (max-width: 480px) {
    :root { --gutter: 1.25rem; }
    .wordmark__cjk { font-size: 20px; }
    .wordmark__en { font-size: 8px; letter-spacing: 0.24em; }
}