/* ============================================
   Sungy – sungy.net (Apex Landing Page)
   Brand Showcase & App Hub
   ============================================ */

@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:             #F2FAFE;
  --surface:        #FFFFFF;
  --border:         #D7EEF8;
  --text:           #2C3E50;
  --text-soft:      #64748B;
  --muted:          #94A3B8;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 10px rgba(40,191,178,0.08);
  --shadow-md:  0 8px 30px rgba(40,191,178,0.12);
  --shadow-lg:  0 20px 50px rgba(40,191,178,0.18);

  --nav-h: 74px;
  --max-w: 1040px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito Sans', system-ui, -apple-system, 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(255,255,255,0.92);
  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: 12px;
  text-decoration: none;
}

.nav-brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.nav-brand-name {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--primary-dark);
  letter-spacing: -0.4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-soft);
  text-decoration: none;
  transition: all 0.2s ease;
}

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

.nav-links a.btn-nav {
  background: var(--primary);
  color: #fff;
  padding: 8px 18px;
}

.nav-links a.btn-nav:hover {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* Language Toggle Button */
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.lang-toggle-btn:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-dark);
}

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  background: var(--secondary-soft);
  color: var(--secondary-dark);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: -0.8px;
  line-height: 1.25;
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--surface);
  color: var(--primary-dark);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-2px);
}

/* ---- Page Layout ---- */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 24px 100px;
}

/* ---- Section Common ---- */
.section-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 12px;
  text-align: center;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-soft);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

/* ---- Featured App Card ---- */
.featured-app-section {
  margin-bottom: 90px;
}

.app-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
  box-shadow: var(--shadow-lg);
}

.app-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.app-title {
  font-family: 'Nunito', sans-serif;
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-dark);
}

.app-tagline {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.app-description {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Feature List */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  font-size: 28px;
  line-height: 1;
  background: var(--bg);
  padding: 10px;
  border-radius: 14px;
}

.feature-item strong {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 2px;
}

.feature-item p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.4;
}

/* Store Buttons */
.store-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
}

.store-badge-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: #1A202C;
  color: #FFFFFF;
  border-radius: 14px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  user-select: none;
}

.store-badge-placeholder:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.store-icon {
  font-size: 24px;
}

.store-small {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #A0AEC0;
}

.store-name {
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  font-weight: 800;
}

/* ---- Values Section ---- */
.values-section {
  margin-bottom: 90px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.value-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

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

.value-emoji {
  font-size: 44px;
  margin-bottom: 16px;
  line-height: 1;
}

.value-card h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}

/* ---- Support Banner ---- */
.support-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #0D5C5A 100%);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.support-content h2 {
  font-family: 'Nunito', sans-serif;
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 12px;
}

.support-content p {
  font-size: 16px;
  color: var(--primary-soft);
  max-width: 600px;
  margin: 0 auto 32px;
}

.support-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.support-btn {
  padding: 10px 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.support-btn:hover {
  background: #FFFFFF;
  color: var(--primary-dark);
}

.support-btn.highlight-btn {
  background: var(--secondary);
  color: var(--secondary-dark);
  border-color: var(--secondary);
}

.support-btn.highlight-btn:hover {
  background: #FFFFFF;
  color: var(--primary-dark);
  border-color: #FFFFFF;
}

/* ---- Footer ---- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-brand span {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: 18px;
  color: var(--primary-dark);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  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: 768px) {
  .app-card { padding: 28px 20px; }
  .feature-list { grid-template-columns: 1fr; }
  .support-banner { padding: 36px 20px; }
  .nav-links a:not(.btn-nav) { display: none; }
}