/**
 * Everest Trade — Tilda overrides
 * Logo palette: #003048 · #3D7F96 · #C8A45A · Switzer · Instrument Serif
 */

:root {
  --everest-navy: #0b1f3b;
  --everest-graphite: #e8ecf2;
  --everest-gold: #c8a45a;
  --everest-white: #ffffff;
  --everest-bg: #0a0a0b;
  --everest-off-white: #111113;
  --everest-text-muted: rgba(232, 236, 242, 0.58);
  --everest-radius: 4px;
  --everest-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
  --everest-transition: 220ms ease;
}

/* Typography — CHI fallback */
:lang(zh),
.t-lang-zh,
html[data-lang="zh"] {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* Buttons */
.everest-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 28px;
  background: var(--everest-navy);
  color: var(--everest-white);
  border: 1px solid var(--everest-navy);
  border-radius: var(--everest-radius);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--everest-transition), border-color var(--everest-transition);
}

.everest-btn-primary:hover {
  background: #0d2847;
  border-color: var(--everest-gold);
}

.everest-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 14px 28px;
  background: transparent;
  color: var(--everest-navy);
  border: 1px solid var(--everest-navy);
  border-radius: var(--everest-radius);
  cursor: pointer;
  transition: border-color var(--everest-transition), color var(--everest-transition);
}

.everest-btn-secondary:hover {
  border-color: var(--everest-gold);
  color: var(--everest-graphite);
}

/* WeChat */
.everest-wechat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 8px 14px;
  background: rgba(61, 127, 150, 0.14);
  color: #3d7f96;
  border: 1px solid rgba(61, 127, 150, 0.35);
  border-radius: var(--everest-radius);
  font-size: 14px;
  cursor: pointer;
  transition: opacity var(--everest-transition);
}

.everest-wechat-btn:hover {
  opacity: 0.92;
}

.everest-wechat-popup {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(11, 31, 59, 0.5);
  align-items: center;
  justify-content: center;
}

.everest-wechat-popup.is-open {
  display: flex;
}

.everest-wechat-popup__card {
  background: var(--everest-white);
  padding: 2rem;
  border-radius: 8px;
  max-width: 320px;
  text-align: center;
  box-shadow: var(--everest-shadow);
}

.everest-wechat-popup__qr {
  width: 200px;
  height: 200px;
  margin: 1rem auto;
  background: var(--everest-off-white);
  border: 1px dashed var(--everest-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--everest-text-muted);
  font-size: 13px;
}

/* GSAP hooks */
.will-animate {
  opacity: 0;
  transform: translateY(16px);
}

.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .will-animate {
    opacity: 1;
    transform: none;
  }
}

/* Form focus */
.t-input,
.t-select,
.t-textarea {
  transition: border-color var(--everest-transition);
}

.t-input:focus,
.t-select:focus,
.t-textarea:focus {
  outline: 2px solid var(--everest-gold);
  outline-offset: 1px;
}