/* PC Tebbit.io style landing — white + #14ac5a */
:root {
  --tl-green: #14ac5a;
  --tl-green-dark: #0a8f4a;
  --tl-green-light: #e8f8ef;
  --tl-text: #1e2329;
  --tl-muted: #707a8a;
  --tl-border: #eef0f3;
  --tl-shadow: 0 8px 32px rgba(16, 24, 40, 0.06);
  --tl-max: 1200px;
  --tl-radius: 14px;
}

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

html,
body.pc-landing {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: #fff;
  color: var(--tl-text);
  font-family: PingFang SC, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.pc-landing__wrap {
  max-width: var(--tl-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.pc-landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--tl-border);
}

.pc-landing-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.pc-landing-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--tl-text);
}

.pc-landing-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 8px;
}

.pc-landing-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.pc-landing-nav a {
  padding: 8px 12px;
  font-size: 14px;
  color: var(--tl-text);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.pc-landing-nav a:hover {
  color: var(--tl-green);
  background: var(--tl-green-light);
}

.pc-landing-auth {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.pc-landing-auth__login {
  font-size: 14px;
  font-weight: 500;
  color: var(--tl-text);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 0.2s;
}

.pc-landing-auth__login:hover {
  color: var(--tl-green);
}

.pc-landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.pc-landing-btn--primary {
  background: var(--tl-green);
  color: #fff;
  box-shadow: 0 4px 14px rgba(20, 172, 90, 0.28);
}

.pc-landing-btn--primary:hover {
  background: var(--tl-green-dark);
  transform: translateY(-1px);
}

.pc-landing-btn--lg {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
  min-width: 120px;
}

/* Hero */
.pc-landing-hero {
  padding: 48px 0 56px;
}

.pc-landing-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.pc-landing-hero__content {
  text-align: left;
}

.pc-landing-hero__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 20px;
  font-weight: 700;
}

.pc-landing-hero__brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.pc-landing-hero__title {
  margin: 0 0 16px;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--tl-text);
}

.pc-landing-hero__title span {
  color: var(--tl-green);
}

.pc-landing-hero__subtitle {
  margin: 0 0 28px;
  max-width: 480px;
  font-size: 15px;
  color: var(--tl-muted);
  line-height: 1.7;
}

.pc-landing-hero__visual {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pc-landing-hero__orb {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(20, 172, 90, 0.15), rgba(20, 172, 90, 0.02) 70%);
}

.pc-landing-hero__cube {
  position: relative;
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 24px 48px rgba(20, 172, 90, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 700;
  color: var(--tl-green);
  transform: rotate(-8deg);
}

.pc-landing-signup {
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--tl-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--tl-shadow);
}

.pc-landing-signup input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--tl-text);
  background: transparent;
}

.pc-landing-signup input::placeholder {
  color: #b0b8c4;
}

.pc-landing-signup .pc-landing-btn {
  border-radius: 0;
  flex-shrink: 0;
}

/* Market section */
.pc-landing-market {
  padding: 48px 0 80px;
  background: linear-gradient(180deg, #fff 0%, #f8fbf9 100%);
}

.pc-landing-market__head {
  text-align: center;
  margin-bottom: 32px;
}

.pc-landing-market__title {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: var(--tl-text);
}

.pc-landing-market__desc {
  margin: 0;
  font-size: 14px;
  color: var(--tl-muted);
}

.pc-landing-coins {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pc-landing-coin-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius);
  box-shadow: var(--tl-shadow);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.pc-landing-coin-card:hover {
  border-color: rgba(20, 172, 90, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(20, 172, 90, 0.1);
}

.pc-landing-coin-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pc-landing-coin-card__logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: #f5f7f8;
}

.pc-landing-coin-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--tl-text);
}

.pc-landing-coin-card__pair {
  font-size: 12px;
  color: var(--tl-muted);
  margin-top: 2px;
}

.pc-landing-coin-card__price {
  font-size: 22px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--tl-text);
}

.pc-landing-coin-card__change {
  display: inline-block;
  align-self: flex-start;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.pc-landing-coin-card__change.is-up {
  background: rgba(20, 172, 90, 0.12);
  color: var(--tl-green-dark);
}

.pc-landing-coin-card__change.is-down {
  background: rgba(246, 70, 93, 0.1);
  color: #f6465d;
}

.pc-landing-coin-card__change.is-flat {
  background: #f0f2f5;
  color: var(--tl-muted);
}

.pc-landing-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--tl-muted);
  font-size: 14px;
}

/* Footer */
.pc-landing-footer {
  padding: 24px 0 32px;
  text-align: center;
  border-top: 1px solid var(--tl-border);
  color: var(--tl-muted);
  font-size: 13px;
}

/* Floating CS */
.pc-landing-cs {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: var(--tl-green);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(20, 172, 90, 0.35);
  transition: background 0.2s, transform 0.15s;
}

.pc-landing-cs:hover {
  background: var(--tl-green-dark);
  transform: translateY(-2px);
  color: #fff;
}

.pc-landing-cs svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 960px) {
  .pc-landing-nav {
    display: none;
  }

  .pc-landing-hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .pc-landing-hero__content {
    text-align: center;
  }

  .pc-landing-hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .pc-landing-signup {
    justify-content: center;
  }

  .pc-landing-hero__visual {
    min-height: 200px;
  }

  .pc-landing-coins {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .pc-landing-hero {
    padding: 48px 0 40px;
  }

  .pc-landing-signup {
    flex-direction: column;
    border-radius: 12px;
  }

  .pc-landing-signup .pc-landing-btn {
    border-radius: 0 0 11px 11px;
    width: 100%;
  }

  .pc-landing-coins {
    grid-template-columns: 1fr;
  }

  .pc-landing-cs {
    right: 16px;
    bottom: 16px;
    padding: 12px 14px;
  }

  .pc-landing-cs span {
    display: none;
  }
}