/* Swift Loong English Site - Shared Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #0b57d0;
  --primary-dark: #083a8c;
  --accent: #f59e0b;
  --dark: #0f172a;
  --gray: #475569;
  --light: #f1f5f9;
  --border: #e2e8f0;
}
body { font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif; color: var(--dark); background: #fff; line-height: 1.6; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 20px; font-weight: 800; color: var(--dark); text-decoration: none; }
.logo span { color: var(--primary); }
nav ul { display: flex; list-style: none; gap: 28px; align-items: center; }
nav a { text-decoration: none; color: var(--gray); font-size: 15px; font-weight: 500; }
nav a:hover, nav a.active { color: var(--primary); }
.lang-switch { background: var(--light); border: 1px solid var(--border); border-radius: 6px; padding: 6px 14px; font-size: 13px; text-decoration: none; color: var(--gray); }
.lang-switch:hover { background: var(--primary); color: #fff; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%); color: #fff; padding: 88px 0 72px; }
.hero h1 { font-size: 42px; line-height: 1.2; margin-bottom: 18px; max-width: 760px; }
.hero p { font-size: 18px; color: #cbd5e1; max-width: 680px; margin-bottom: 32px; }
.btn { display: inline-block; padding: 13px 30px; border-radius: 8px; font-weight: 600; text-decoration: none; margin-right: 12px; font-size: 15px; }
.btn-primary { background: var(--accent); color: #1e293b; }
.btn-primary:hover { background: #e8960a; }
.btn-outline { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-outline:hover { border-color: #fff; }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-dark); }

/* Stats */
.stats { background: var(--dark); color: #fff; padding: 36px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-size: 34px; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 14px; color: #94a3b8; }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--light); }
.kicker { color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
h2 { font-size: 32px; margin-bottom: 14px; }
.section-desc { color: var(--gray); max-width: 760px; margin-bottom: 44px; font-size: 16px; }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 32px; transition: box-shadow .2s; }
.card:hover { box-shadow: 0 8px 30px rgba(15,23,42,.1); }
.card .tag { font-size: 12px; font-weight: 700; color: var(--primary); letter-spacing: 1.5px; text-transform: uppercase; }
.card h3 { font-size: 22px; margin: 8px 0 4px; }
.card .models { color: var(--gray); font-size: 14px; margin-bottom: 14px; }
.card p { color: var(--gray); font-size: 15px; margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip { background: var(--light); border-radius: 20px; padding: 4px 14px; font-size: 13px; color: var(--dark); font-weight: 500; }
.card a.more { color: var(--primary); font-weight: 600; text-decoration: none; font-size: 15px; }

/* Feature list */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.feature .num { font-size: 13px; color: var(--accent); font-weight: 800; }
.feature h3 { font-size: 18px; margin: 8px 0 8px; }
.feature p { font-size: 14px; color: var(--gray); }

/* Tables */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th { background: var(--dark); color: #fff; text-align: left; padding: 13px 16px; font-weight: 600; white-space: nowrap; }
td { padding: 12px 16px; border-top: 1px solid var(--border); color: var(--gray); vertical-align: top; }
td:first-child { font-weight: 600; color: var(--dark); white-space: nowrap; }
tr:nth-child(even) td { background: #f8fafc; }

/* Check lists */
.checks { list-style: none; }
.checks li { padding: 6px 0 6px 30px; position: relative; color: var(--gray); font-size: 15px; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 800; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.step .step-num { display: inline-block; background: var(--primary); color: #fff; width: 30px; height: 30px; border-radius: 50%; text-align: center; line-height: 30px; font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--gray); }

/* CTA banner */
.cta { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; text-align: center; padding: 64px 24px; }
.cta h2 { margin-bottom: 12px; }
.cta p { color: #cbd5e1; margin-bottom: 28px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* Contact blocks */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px; }
.contact-card .icon { font-size: 30px; margin-bottom: 12px; }
.contact-card h3 { font-size: 19px; margin-bottom: 8px; }
.contact-card p { color: var(--gray); font-size: 15px; }
.contact-card a { color: var(--primary); font-weight: 600; text-decoration: none; }

/* Footer */
footer { background: var(--dark); color: #94a3b8; padding: 48px 0 32px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
footer ul { list-style: none; }
footer li { margin-bottom: 8px; }
footer a { color: #94a3b8; text-decoration: none; }
footer a:hover { color: #fff; }
.copyright { border-top: 1px solid #1e293b; padding-top: 20px; text-align: center; color: #64748b; font-size: 13px; }

/* Key metric banner */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.metric .m-num { font-size: 36px; font-weight: 800; color: var(--primary); }
.metric .m-num small { font-size: 18px; }
.metric .m-label { font-size: 14px; color: var(--gray); }

@media (max-width: 860px) {
  .cards, .features, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid, .metrics { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  nav ul { display: none; }
  .hero h1 { font-size: 30px; }
}

/* Inquiry form (contact page) */
.contact-card.inquiry .inquiry-form { margin-top: 20px; }
.inquiry-form { display: grid; gap: 13px; }
.inquiry-form .if-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.inquiry-form input[type=text],
.inquiry-form select,
.inquiry-form textarea {
  width: 100%; padding: 12px 15px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 15px; font-family: inherit; line-height: 1.5;
  color: var(--dark); background: #fff;
}
.inquiry-form input[type=text]::placeholder,
.inquiry-form textarea::placeholder { color: #94a3b8; }
.inquiry-form input[type=text]:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11,87,208,.12);
}
.inquiry-form select { cursor: pointer; }
.inquiry-form textarea { resize: vertical; min-height: 104px; }
.inquiry-form .btn { border: 0; cursor: pointer; margin-right: 0; justify-self: start; font-family: inherit; }
.inquiry-form .btn[disabled] { opacity: .65; cursor: default; }
.form-hint { font-size: 14px; color: var(--gray); margin: 0; line-height: 1.6; }
.form-hint a { color: var(--primary); font-weight: 600; text-decoration: none; }
.form-hint.is-ok { color: #16a34a; }
.form-hint.is-err { color: #dc2626; }

@media (max-width: 640px) {
  .inquiry-form .if-row { grid-template-columns: 1fr; }
}