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

:root {
  --color-bg: #f7f7f7;
  --color-white: #ffffff;
  --color-text: #2c2c2c;
  --color-text-secondary: #6b6b6b;
  --color-accent: #ee3888;
  --color-accent-light: #f9f9f9;
  --color-border: #e5e5e5;
  --color-card-bg: #ffffff;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
  --font: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */
.header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 229, 229, 0.5);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}

.logo-img {
  height: 28px;
  width: auto;
  display: block;
}

.logo-sub {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.btn-signin {
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.2s;
  font-family: var(--font);
}

.btn-signin:hover {
  background: var(--color-accent);
  color: #fff;
}

.lang-btn {
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-secondary);
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--radius);
}

.lang-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lang-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ── Hero ── */
.hero {
  background: var(--color-white);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  padding: 100px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  color: #fff;
}

.hero-desc {
  font-size: 28px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
  margin: 0 auto 56px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

/* ── Dual Pool ── */
.dual-pool {
  padding: 48px 0 32px;
  background: var(--color-accent-light);
}

.dual-pool-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.dual-pool-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.dual-pool-text {
  font-size: 18px;
  color: var(--color-text);
  max-width: 760px;
}

.dual-pool-text strong {
  color: var(--color-accent);
}

/* ── Filters ── */
.filters-section {
  padding: 48px 0 16px;
}

.filters-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.filters {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b6b6b'/%3E%3C/svg%3E") no-repeat right 12px center;
  padding: 10px 36px 10px 14px;
  font-size: 14px;
  border-radius: var(--radius);
  color: var(--color-text);
  cursor: pointer;
  min-width: 160px;
  font-family: var(--font);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.results-count {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 8px 0;
}

/* ── Card Grid ── */
.gallery {
  padding: 16px 0 64px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.15s;
  cursor: pointer;
  position: relative;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.card-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-id {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.tag {
  font-size: 12px;
  padding: 3px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.card-snippet {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-cta {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-cta::after {
  content: "\2192";
}

.card-country-flag {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 20px;
}

/* ── Load More ── */
.load-more-wrap {
  text-align: center;
  margin-top: 32px;
}

.btn-secondary {
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  padding: 12px 40px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ── How It Works ── */
.how-it-works {
  padding: 80px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.how-it-works h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  text-align: center;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 20px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 300px;
  margin: 0 auto;
}

/* ── CTA Section ── */
.cta-section {
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 20px;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 16px 52px;
  font-size: 18px;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s;
  font-family: var(--font);
}

.btn-primary:hover {
  opacity: 0.9;
}

/* ── Footer ── */
.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.footer-tagline {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.footer-links a {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius);
  max-width: 480px;
  width: 90%;
  padding: 40px 32px;
  text-align: center;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.modal h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.modal .btn-primary {
  width: 100%;
  border: none;
  cursor: pointer;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 17px; }
  .stats-row { gap: 24px; }
  .stat-num { font-size: 28px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .filters { gap: 12px; }
  .filter-group select { min-width: 140px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .dual-pool-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .cta-section h2 { font-size: 28px; }
}