:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f7;
  --text: #000000;
  --muted: #666666;
  --border: #e5e5e5;
  --accent: #000000;
  --shadow: 0 8px 24px rgba(0,0,0,0.08);
}

body.dark-theme {
  --bg: #0f1115;
  --bg-soft: #181b22;
  --text: #f5f5f5;
  --muted: #a0a4b3;
  --border: #262a35;
  --accent: #ffffff;
  --shadow: 0 12px 32px rgba(0,0,0,0.6);
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s ease, color 0.3s ease;
}

/* HEADER */

.header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 34px;
  display: block;
}

.header-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  gap: 32px;
  font-size: 15px;
}

.nav-link {
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}

.nav-link:hover {
  text-decoration: underline;
}

.header-right {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.balance {
  color: var(--muted);
  white-space: nowrap;
}

.icon-group {
  display: flex;
  gap: 10px;
}

.icon-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  padding: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.icon-btn img {
  width: 20px;
  height: 20px;
}

.icon-btn:hover {
  background: var(--bg-soft);
  border-color: var(--border);
  transform: translateY(-1px);
}

/* HERO */

.hero {
  padding:150px 16px 130px;
}

.hero-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg);
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 32px 40px 36px;
  text-align: center;
}

.hero-title {
  margin: 0 0 8px;
  font-size: 26px;
}

.hero-subtitle {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--muted);
}

.hero-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}

.hero-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  background: #111111;
}

/* CONTENT */

.content {
  max-width:960px;
  margin:80px auto 100px;
  padding:0 16px 80px;
  text-align:center;
}

.content h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.content > p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 auto 28px;
  max-width: 760px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.info-block {
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 22px 24px;
  text-align: left;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.info-block h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 17px;
}

.info-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.seo-text {
  text-align: left;
  max-width: 760px;
  margin: 0 auto;
}

.seo-text h2 {
  text-align: center;
  margin-bottom: 12px;
}

.seo-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 14px;
}

/* THEME TOGGLE */

.theme-toggle {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.16);
  font-size: 20px;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  z-index: 30;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.22);
}

/* FOOTER */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 16px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* ANIMATIONS */

.fade-in-up {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-up:nth-of-type(2) {
  animation-delay: 0.1s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .header-inner {
    padding: 10px 16px;
  }

  .header-nav {
    display: none;
  }

  .balance {
    display: none;
  }

  .hero-card {
    margin: 0 8px;
    padding: 26px 20px 30px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .info-block {
    text-align: center;
  }

  .seo-text {
    text-align: left;
  }
}


.hero-card{
  max-width:720px!important;
  padding:50px 60px!important;
}
.hero-title{
  font-size:32px!important;
}
.hero-subtitle{
  font-size:18px!important;
}
.hero-btn{
  font-size:18px!important;
  padding:18px 50px!important;
  border-radius:12px!important;
}