/* ============================================
   Sungy – support.sungy.net
   Shared Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Nunito+Sans:wght@400;500;600;700&display=swap');

/* ---- Tokens ---- */
:root {
  --primary:        #28BFB2;
  --primary-dark:   #117B78;
  --primary-soft:   #CFF7F1;
  --secondary:      #FFD34D;
  --secondary-dark: #C88712;
  --secondary-soft: #FFF2B8;
  --accent:         #FF7B5F;
  --accent-dark:    #D94B36;
  --accent-soft:    #FFE1D8;
  --bg:             #EAF8FF;
  --bg-cool:        #DDF5FF;
  --surface:        #FFFFFF;
  --border:         #D7EEF8;
  --text:           #334155;
  --text-soft:      #64748B;
  --muted:          #94A3B8;
  --sky:            #AEE7FF;
  --sky-deep:       #4DB7F2;
  --green:          #74D889;
  --lavender:       #DCD7FF;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(40,191,178,0.10);
  --shadow-md:  0 6px 24px rgba(40,191,178,0.14);
  --shadow-lg:  0 16px 48px rgba(40,191,178,0.18);

  --nav-h: 68px;
  --max-w: 760px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
}

.navbar-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.nav-brand-name {
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--primary-dark);
  letter-spacing: -0.3px;
}



.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

/* ---- Page wrapper ---- */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ---- Hero (index only) ---- */
.hero {
  text-align: center;
  padding: 60px 24px 40px;
}

.hero-icon {
  width: 100px;
  height: 100px;
  border-radius: 26px;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: var(--secondary-soft);
  color: var(--secondary-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero p {
  font-size: 16px;
  color: var(--text-soft);
  max-width: 480px;
  margin: 0 auto;
}

/* ---- Cards grid (index) ---- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.card-emoji {
  font-size: 36px;
  line-height: 1;
}

.card-title {
  font-family: 'Nunito', sans-serif;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
}

.card-desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}

.card-arrow {
  margin-top: auto;
  font-size: 20px;
  color: var(--primary);
}

/* ---- Page header (inner pages) ---- */
.page-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px 0 24px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 36px;
}

.page-header-icon {
  font-size: 40px;
  line-height: 1;
  flex-shrink: 0;
}

.page-header-text h1 {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.page-header-text .updated {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* ---- Content typography ---- */
.content > p,
.content > ul,
.content > ol {
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text);
}

.content h2 {
  font-family: 'Nunito', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 36px 0 10px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}

.content ul, .content ol {
  padding-left: 24px;
}

.content li {
  margin-bottom: 6px;
  font-size: 15px;
}

.content a {
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1.5px solid var(--primary-soft);
  transition: border-color 0.2s, color 0.2s;
}

.content a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ---- Info box ---- */
.info-box {
  background: var(--primary-soft);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 14px;
  color: var(--primary-dark);
}

/* ---- Method card (delete account) ---- */
.method-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.method-card h2 {
  font-family: 'Nunito', sans-serif;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-recommended {
  display: inline-block;
  padding: 2px 10px;
  background: var(--secondary-soft);
  color: var(--secondary-dark);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.method-card ol, .method-card ul {
  padding-left: 22px;
}

.method-card li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.5;
}

.method-card .note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-soft);
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  border-left: 3px solid var(--secondary);
}

/* ---- Warning box ---- */
.warning-box {
  background: var(--accent-soft);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--accent-dark);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-copy {
  font-size: 13px;
  color: var(--muted);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .navbar { padding: 0 16px; }
  .page { padding: 28px 16px 60px; }
  .cards-grid { grid-template-columns: 1fr; }
  .nav-links a { padding: 6px 10px; font-size: 13px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .method-card { padding: 20px; }
}