/* ==========================================================================
   WINChat Support & Legal Portal Stylesheet
   Domain: support.winchat.asia
   Brand: WINChat (Bitara Capital Sdn. Bhd)
   ========================================================================== */

:root {
  --primary-gold: #f0b90b;
  --primary-gold-hover: #d9a300;
  --primary-gold-light: #fff8df;
  --primary-gold-border: #f6d878;
  --text-dark: #181a20;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --danger-color: #ef4444;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --success-color: #10b981;
  --success-bg: #ecfdf5;
  --info-bg: #f0fdf4;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.07), 0 4px 10px rgba(0,0,0,0.04);
  --max-width: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ---------------- Language switching ---------------- */
[lang-content] {
  display: none;
}
html[data-lang="en"] [lang-content="en"] {
  display: block;
}
html[data-lang="en"] span[lang-content="en"],
html[data-lang="en"] a[lang-content="en"],
html[data-lang="en"] strong[lang-content="en"],
html[data-lang="en"] button[lang-content="en"] {
  display: inline;
}
html[data-lang="zh"] [lang-content="zh"] {
  display: block;
}
html[data-lang="zh"] span[lang-content="zh"],
html[data-lang="zh"] a[lang-content="zh"],
html[data-lang="zh"] strong[lang-content="zh"],
html[data-lang="zh"] button[lang-content="zh"] {
  display: inline;
}

/* ---------------- Top Navigation Bar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.brand-badge {
  background: var(--primary-gold);
  color: var(--text-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.main-nav a:hover {
  color: var(--text-dark);
  background-color: var(--border-light);
}

.main-nav a.active {
  color: var(--text-dark);
  background-color: var(--primary-gold-light);
  font-weight: 700;
}

.lang-switch-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.lang-switch-btn:hover {
  background: var(--border-light);
  border-color: var(--primary-gold);
}

/* ---------------- Hero Section ---------------- */
.hero {
  background: linear-gradient(180deg, var(--primary-gold-light) 0%, rgba(255, 255, 255, 0.8) 50%, var(--bg-page) 100%);
  padding: 56px 20px 36px;
  border-bottom: 1px solid var(--border-color);
}

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

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #854d0e;
  background: #fef08a;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(1.8rem, 3.8vw, 2.75rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 28px;
}

/* Email search / contact box */
.contact-hero-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  max-width: 620px;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.contact-hero-email {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.contact-hero-email svg {
  color: var(--primary-gold-hover);
  flex-shrink: 0;
}

.contact-hero-email .email-text {
  font-family: monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
}

.btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--primary-gold);
  color: var(--text-dark);
}

.btn-primary:hover {
  background: var(--primary-gold-hover);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dark);
}

.btn-outline:hover {
  background: var(--border-light);
  border-color: var(--text-muted);
}

.quick-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.quick-chips span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.chip-link {
  font-size: 0.85rem;
  color: var(--text-body);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.chip-link:hover {
  border-color: var(--primary-gold);
  color: var(--text-dark);
  background: var(--primary-gold-light);
}

/* ---------------- Main Layout & Containers ---------------- */
.main-content {
  flex: 1;
  padding: 40px 20px 60px;
}

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

.content-wrap-narrow {
  max-width: 860px;
  margin: 0 auto;
}

/* ---------------- Cards & Topic Grids ---------------- */
.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--primary-gold);
  border-radius: 2px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-gold);
}

.topic-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.topic-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--primary-gold-light);
  color: #b45309;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.topic-card h3 {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 700;
}

.topic-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 16px;
}

.topic-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: #b45309;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.topic-link:hover {
  color: var(--primary-gold-hover);
  text-decoration: underline;
}

/* ---------------- Info & Operator Callouts ---------------- */
.callout-box {
  background: var(--bg-card);
  border-left: 4px solid var(--primary-gold);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.callout-box.danger {
  border-left-color: var(--danger-color);
  background: var(--danger-bg);
}

.callout-box.success {
  border-left-color: var(--success-color);
  background: var(--success-bg);
}

.callout-box p {
  margin-bottom: 8px;
}
.callout-box p:last-child {
  margin-bottom: 0;
}

/* ---------------- Step-by-Step UI ---------------- */
.step-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 24px 0 36px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--text-dark);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  font-size: 1.05rem;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-weight: 700;
}

.step-content p, .step-content ul {
  font-size: 0.95rem;
  color: var(--text-body);
}

.step-content ul {
  padding-left: 20px;
  margin-top: 8px;
}

.step-content li {
  margin-bottom: 6px;
}

/* ---------------- Data Policy Comparison Grid ---------------- */
.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 24px 0 36px;
}

.policy-box {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.policy-box.deleted {
  border-top: 4px solid var(--danger-color);
}

.policy-box.retained {
  border-top: 4px solid var(--primary-gold);
}

.policy-box h3 {
  font-size: 1.15rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.policy-box ul {
  list-style: none;
  padding: 0;
}

.policy-box li {
  font-size: 0.92rem;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.policy-box li:last-child {
  border-bottom: none;
}

.icon-del {
  color: var(--danger-color);
  font-weight: bold;
}

.icon-keep {
  color: #b45309;
  font-weight: bold;
}

/* ---------------- Legal Document Article ---------------- */
.legal-article {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  color: var(--text-body);
}

.legal-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.legal-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.legal-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.legal-article section {
  margin-bottom: 32px;
}

.legal-article h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-light);
}

.legal-article p {
  margin-bottom: 14px;
  font-size: 0.96rem;
  line-height: 1.7;
}

.legal-article ul, .legal-article ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-article li {
  margin-bottom: 8px;
  font-size: 0.96rem;
  line-height: 1.6;
}

/* ---------------- FAQ Accordion ---------------- */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background: var(--border-light);
}

.faq-answer {
  padding: 0 20px 18px;
  font-size: 0.95rem;
  color: var(--text-body);
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: transform 0.2s ease;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 40px 20px 30px;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
}

.footer-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-nav a:hover {
  color: var(--text-dark);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---------------- Utilities ---------------- */
.copy-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-dark);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 768px) {
  .topbar-inner {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  .nav-group {
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
    padding-top: 6px;
  }
  .main-nav {
    gap: 4px;
  }
  .main-nav a {
    padding: 6px 10px;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  .hero {
    padding: 36px 16px 28px;
  }
  .contact-hero-box {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn-group {
    width: 100%;
  }
  .btn-group .btn {
    flex: 1;
  }
  .legal-article {
    padding: 24px 18px;
  }
}