/* ============================================================
   East Asia Vacuum Plating Factory Limited — HK jewelry wholesale
   ============================================================ */

:root {
  --hk-platinum: #2d3142;
  --hk-platinum-light: #4f5565;
  --hk-silver: #b8bcc8;
  --hk-chrome: #7c8db5;
  --hk-violet: #5b4d8a;
  --hk-violet-light: #8b7cb8;
  --bg: #f4f3f7;
  --white: #ffffff;
  --dark: #2d3142;
  --gray: #6b6f7d;
  --gray-light: #9a9eaa;
  --border: #e0dfe8;
  --font: "Segoe UI", "PingFang HK", "Microsoft JhengHei", Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 15px; color: var(--dark); background: var(--bg); line-height: 1.65; }

a { color: var(--hk-violet); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1140px, 92%); margin: 0 auto; }

.top-bar { background: var(--hk-platinum); color: rgba(255,255,255,0.92); font-size: 13px; padding: 9px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-bar a { color: #fff; font-weight: 600; }
.top-bar .phone { font-weight: 700; font-size: 14px; }

.compliance-bar { background: #f0eef5; border-bottom: 1px solid var(--border); padding: 12px 0; font-size: 12px; color: var(--gray); text-align: center; }

.site-header { background: var(--white); border-bottom: 1px solid var(--border); box-shadow: 0 2px 16px rgba(45,49,66,0.05); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; flex-wrap: wrap; }

.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-mark { width: 48px; height: 48px; background: linear-gradient(145deg, #c0c4d0, #e8eaef 40%, #a0a8b8); color: var(--hk-platinum); display: grid; place-items: center; font-weight: 800; font-size: 15px; border-radius: 4px; letter-spacing: 0.04em; border: 1px solid var(--hk-silver); box-shadow: inset 0 1px 0 rgba(255,255,255,0.8); }
.logo-name { font-size: 14px; font-weight: 800; color: var(--hk-platinum); display: block; letter-spacing: 0.02em; line-height: 1.25; }
.logo-tag { font-size: 10px; color: var(--hk-violet); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

.main-nav { display: flex; gap: 4px; }
.main-nav a { padding: 10px 16px; color: var(--dark); font-weight: 600; font-size: 14px; border-radius: 4px; }
.main-nav a:hover { background: #f0eef5; color: var(--hk-violet); text-decoration: none; }

.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-wrap: wrap; }

.btn-primary { background: linear-gradient(135deg, var(--hk-violet), var(--hk-violet-light)); color: #fff; padding: 11px 22px; border-radius: 4px; font-weight: 700; font-size: 14px; border: none; cursor: pointer; white-space: nowrap; display: inline-block; text-decoration: none; }
.btn-primary:hover { opacity: 0.92; color: #fff; text-decoration: none; }

.lang-switch { position: relative; }
.lang-switch-btn { display: flex; align-items: center; gap: 6px; background: var(--white); border: 2px solid var(--hk-platinum); color: var(--hk-platinum); font-weight: 800; font-size: 14px; padding: 8px 14px; cursor: pointer; border-radius: 4px; min-width: 80px; }
.lang-switch-btn:hover { background: #f0eef5; }
.lang-dropdown { display: none; position: absolute; top: calc(100% + 4px); right: 0; background: #fff; border: 2px solid var(--hk-platinum); border-radius: 4px; min-width: 200px; box-shadow: 0 8px 28px rgba(0,0,0,0.12); overflow: hidden; z-index: 120; }
.lang-dropdown.open { display: block; }
.lang-dropdown button { display: block; width: 100%; text-align: left; padding: 12px 16px; border: none; background: #fff; cursor: pointer; font-size: 13px; font-weight: 700; border-bottom: 1px solid var(--border); color: var(--dark); }
.lang-dropdown button:last-child { border-bottom: none; }
.lang-dropdown button:hover { background: #f0eef5; }
.lang-dropdown button.active { background: var(--hk-platinum); color: #fff; }
.lang-dropdown .lang-sub { display: block; font-size: 11px; font-weight: 400; opacity: 0.75; margin-top: 2px; }
.lang-dropdown button.active .lang-sub { color: rgba(255,255,255,0.85); }

.menu-toggle { display: none; background: var(--hk-platinum); color: #fff; border: none; padding: 10px 14px; font-size: 18px; cursor: pointer; border-radius: 4px; }

.hero { background: linear-gradient(135deg, var(--hk-platinum) 0%, #3d4255 40%, var(--hk-violet) 100%); color: #fff; padding: 64px 0; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(45deg, transparent 40%, rgba(192,196,208,0.06) 50%, transparent 60%); pointer-events: none; }
.hero::after { content: ""; position: absolute; right: 10%; top: 20%; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(184,188,200,0.15) 0%, transparent 70%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero-eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--hk-silver); margin-bottom: 14px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; line-height: 1.28; margin-bottom: 18px; font-family: Georgia, "PingFang HK", serif; }
.hero-lead { font-size: 16px; opacity: 0.92; margin-bottom: 28px; max-width: 54ch; line-height: 1.75; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.hero-badge { background: rgba(255,255,255,0.1); border: 1px solid rgba(184,188,200,0.35); padding: 7px 14px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); padding: 11px 22px; border-radius: 4px; font-weight: 700; font-size: 14px; text-decoration: none; display: inline-block; }
.btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; text-decoration: none; border-color: #fff; }

.hero-card { background: var(--white); color: var(--dark); border-radius: 6px; padding: 28px; box-shadow: 0 14px 44px rgba(0,0,0,0.16); border-top: 3px solid var(--hk-silver); }
.hero-card h3 { color: var(--hk-platinum); font-size: 16px; font-weight: 700; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--border); letter-spacing: 0.04em; }
.hero-card ul { list-style: none; }
.hero-card li { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; display: flex; gap: 12px; align-items: flex-start; font-weight: 600; }
.hero-card li:last-child { border-bottom: none; }
.hero-card .ico { font-size: 18px; flex-shrink: 0; }

.trust-strip { background: var(--white); border-bottom: 1px solid var(--border); padding: 28px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.trust-item .ico { font-size: 28px; margin-bottom: 10px; }
.trust-item h4 { font-size: 14px; font-weight: 700; color: var(--hk-platinum); margin-bottom: 4px; }
.trust-item p { font-size: 12px; color: var(--gray-light); }

section { padding: 56px 0; }
section.alt { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.section-head h2 { font-size: 28px; font-weight: 800; color: var(--hk-platinum); margin-bottom: 12px; font-family: Georgia, "PingFang HK", serif; }
.section-head p { color: var(--gray); font-size: 15px; }
.section-head .line { width: 48px; height: 2px; background: linear-gradient(90deg, var(--hk-silver), var(--hk-violet-light)); margin: 14px auto 0; }

.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 28px; display: flex; gap: 20px; align-items: flex-start; transition: box-shadow 0.2s; border-left: 4px solid var(--hk-violet-light); }
section.alt .service-card { background: var(--bg); }
.service-card:hover { box-shadow: 0 8px 28px rgba(45,49,66,0.08); }
.service-card .ico { font-size: 36px; flex-shrink: 0; }
.service-card h3 { font-size: 17px; font-weight: 700; color: var(--hk-platinum); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--gray); line-height: 1.6; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about-text p { color: var(--gray); margin-bottom: 16px; font-size: 15px; }
.about-facts { background: var(--white); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.about-facts h3 { background: var(--hk-platinum); color: #fff; padding: 14px 20px; font-size: 15px; font-weight: 700; }
.about-facts dl { padding: 0; }
.about-facts dt { font-weight: 700; font-size: 11px; color: var(--gray-light); text-transform: uppercase; letter-spacing: 0.06em; padding: 14px 20px 4px; }
.about-facts dd { padding: 0 20px 14px; font-size: 14px; border-bottom: 1px solid var(--border); line-height: 1.5; }
.about-facts dd:last-child { border-bottom: none; }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-item { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 24px 18px; text-align: center; transition: border-color 0.2s; }
.why-item:hover { border-color: var(--hk-violet-light); }
.why-item .ico { font-size: 32px; margin-bottom: 12px; }
.why-item h4 { font-size: 14px; font-weight: 700; color: var(--hk-platinum); margin-bottom: 6px; }
.why-item p { font-size: 12px; color: var(--gray); line-height: 1.55; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; }
.contact-info { background: var(--hk-platinum); color: #fff; border-radius: 6px; padding: 32px; border-top: 3px solid var(--hk-silver); }
.contact-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 22px; padding-bottom: 12px; border-bottom: 2px solid rgba(184,188,200,0.3); }
.contact-info ul { list-style: none; }
.contact-info li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.12); font-size: 14px; line-height: 1.55; }
.contact-info li:last-child { border-bottom: none; }
.contact-info a { color: var(--hk-silver); font-weight: 700; }
.contact-info .label { display: block; font-size: 11px; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }

.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 32px; border-top: 3px solid var(--hk-violet-light); }
.contact-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 4px; font-family: inherit; font-size: 14px; margin-bottom: 16px; outline: none; background: var(--bg); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--hk-violet); }
.contact-form button { width: 100%; background: var(--hk-platinum); color: #fff; border: none; padding: 14px; font-weight: 700; font-size: 15px; border-radius: 4px; cursor: pointer; }
.contact-form button:hover { background: var(--hk-platinum-light); }
.form-msg { margin-top: 10px; font-size: 13px; font-weight: 600; min-height: 1.2em; }

.site-footer { background: var(--dark); color: #999; font-size: 13px; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; padding: 44px 0; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; line-height: 1.4; }
.footer-col p { font-size: 13px; line-height: 1.65; margin-bottom: 10px; }
.footer-col a { display: block; color: #888; padding: 5px 0; font-size: 13px; }
.footer-col a:hover { color: var(--hk-silver); }
.footer-bottom { border-top: 1px solid #333; padding: 18px 0; display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px; font-size: 12px; }
.footer-disclaimer { max-width: 720px; color: #666; line-height: 1.6; font-size: 11px; }

@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid, .trust-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .main-nav.mobile-open { display: flex; flex-direction: column; width: 100%; order: 10; background: #f0eef5; padding: 12px; border-radius: 6px; }
  .logo-name { font-size: 12px; }
}
@media (max-width: 560px) {
  .why-grid, .trust-grid, .footer-main { grid-template-columns: 1fr; }
}