/* EtherFi 子頁面樣式 — 沿用 root style.css 變數，加上頁面專屬版型 */

/* ----- Hero ----- */
.ef-hero {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.ef-hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}
.ef-hero-text .hero-badge {
  margin-bottom: 1.25rem;
}
.ef-hero-text .hero-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.3;
  color: var(--text);
}
.ef-hero-text .hero-subtext {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.ef-hero-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.ef-hero-benefits li {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text);
  padding-left: 1.5rem;
  position: relative;
}
.ef-hero-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--brand-accent);
  font-weight: 700;
}
.ef-hero-benefits li strong {
  font-weight: 700;
  color: var(--text);
}
.ef-hero-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.ef-hero-foot {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
  line-height: 1.6;
}

/* Hero image */
.ef-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.ef-hero-image {
  width: 100%;
  height: auto;
  max-width: 480px;
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(15, 17, 21, 0.18);
  display: block;
}

/* ----- Section subtitle (shared) ----- */
.ef-section-subtitle {
  font-size: 1rem;
  color: var(--muted);
  max-width: 680px;
  margin: -1rem 0 2rem;
  line-height: 1.65;
}

/* ----- Section subtitle inline link ----- */
.ef-section-subtitle a {
  color: var(--brand-accent);
  text-decoration: none;
  font-weight: 600;
}
.ef-section-subtitle a:hover {
  text-decoration: underline;
}

/* ----- Section: Cashback rates ----- */
.ef-section-cashback {
  background: var(--bg);
}
.ef-cashback-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.ef-tier-card {
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
  position: relative;
}
.ef-tier-card-highlight {
  border: 1px solid var(--brand-accent);
  background: linear-gradient(180deg, rgba(248, 168, 72, 0.04) 0%, var(--card-bg) 60%);
}
.ef-tier-card-highlight::before {
  content: "推薦";
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--brand-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.ef-tier-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.65rem;
}
.ef-tier-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.ef-tier-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.ef-tier-rates {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.ef-tier-rates li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  font-size: 0.88rem;
  line-height: 1.5;
}
.ef-tier-rate {
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
  min-width: 2.5rem;
}
.ef-tier-rate-hero {
  color: var(--brand-accent);
  font-size: 1.4rem;
  font-weight: 800;
}
.ef-tier-bracket {
  color: var(--muted);
  font-size: 0.85rem;
}
/* Business card has only 1 rate row — give the list flex so single row sits at top */
.ef-tier-rates-flat {
  flex: 1;
}

/* VIP card — same rate-ladder shape as other tiers, plus referral CTA below */
.ef-tier-card-vip {
  background: linear-gradient(180deg, rgba(248, 168, 72, 0.08) 0%, var(--card-bg) 70%);
  border: 1px solid var(--brand-accent);
  position: relative;
}
.ef-tier-card-vip::before {
  content: "邀請制";
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--text);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.ef-tier-vip-cta {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.ef-tier-vip-text {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}
.ef-tier-vip-text code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 5px;
  font-family: -apple-system, ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}
.ef-tier-vip-link {
  display: inline-block;
  width: fit-content;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-accent);
  background: rgba(248, 168, 72, 0.14);
  padding: 5px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease;
}
.ef-tier-vip-link:hover {
  background: rgba(248, 168, 72, 0.24);
}

.ef-cashback-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 1.25rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.ef-cashback-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.ef-cashback-meta-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}
.ef-cashback-meta-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ----- Section: Resources (Video + Article side-by-side) ----- */
.section-alt {
  background: var(--bg);
}
.ef-section-resources {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.ef-resources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
.ef-resource-tag {
  display: inline-block;
  width: fit-content;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-accent);
  background: rgba(248, 168, 72, 0.12);
  border-radius: 6px;
  padding: 4px 12px;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

/* Video card */
.ef-video-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0;
}
.ef-video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
}
.ef-video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.ef-video-meta {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.ef-video-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.45;
  color: var(--text);
}
.ef-video-desc {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.65;
}
.ef-video-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
  padding: 0.55rem 0.8rem;
  background: rgba(248, 168, 72, 0.08);
  border-left: 3px solid var(--brand-accent);
  border-radius: 6px;
  line-height: 1.55;
}
.ef-video-date {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
  margin-top: auto;
}

/* Article card */
.ef-article-card {
  padding: 0;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ef-article-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}
.ef-article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.ef-article-card:hover .ef-article-cover img {
  transform: scale(1.04);
}
.ef-article-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.ef-article-body .ef-resource-tag {
  margin-top: 0.5rem;
}
.ef-article-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.45;
  color: var(--text);
}
.ef-article-desc {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.65;
}
.ef-article-bullets {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.ef-article-bullets li {
  font-size: 0.9rem;
  color: var(--text);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.55;
}
.ef-article-bullets li::before {
  content: "•";
  position: absolute;
  left: 0.35rem;
  top: 0;
  color: var(--brand-accent);
  font-weight: 700;
}
.ef-article-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
  margin-top: auto;
}
.ef-article-arrow {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-accent);
  margin-top: 0.5rem;
  transition: transform var(--transition);
  display: inline-block;
}
.ef-article-card:hover .ef-article-arrow {
  transform: translateX(6px);
}

/* ----- Section: Tiers (升等／積分制度) ----- */
.ef-section-tiers {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
}
.ef-section-tiers .ef-section-subtitle strong {
  color: var(--text);
}

.ef-tier-thresholds {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2.25rem;
}
.ef-threshold-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  text-align: center;
  padding: 0.5rem 0.25rem;
}
.ef-threshold-item-vip {
  background: rgba(248, 168, 72, 0.08);
  border-radius: 10px;
}
.ef-threshold-tier {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.ef-threshold-points {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.ef-tiers-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}
.ef-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.ef-points-card {
  padding: 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.ef-points-icon {
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.ef-points-method {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
.ef-points-rate {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.5;
}
.ef-points-rate strong {
  color: var(--brand-accent);
  font-weight: 700;
}
.ef-points-context {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
  margin-top: auto;
  padding-top: 0.4rem;
}

.ef-points-example {
  padding: 1.5rem 1.75rem;
}
.ef-points-example-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.ef-points-example-text {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 0.75rem;
}
.ef-points-example-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.85rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem 1.5rem;
}
.ef-points-example-list li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.55;
}
.ef-points-example-list li::before {
  content: "•";
  position: absolute;
  left: 0.3rem;
  color: var(--brand-accent);
  font-weight: 700;
}
.ef-points-example-list strong {
  color: var(--brand-accent);
}
.ef-points-example-total {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
}
.ef-points-example-total strong {
  color: var(--text);
}

/* ----- Resources: 3-card static grid ----- */
.ef-resources-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.ef-resource-card {
  padding: 0;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ef-resource-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}
.ef-resource-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.ef-resource-card:hover .ef-resource-cover img {
  transform: scale(1.04);
}
/* YouTube play icon overlay */
.ef-resource-cover-video::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  transform: translate(-50%, -50%);
  transition: background 0.2s ease;
  pointer-events: none;
}
.ef-resource-cover-video .ef-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  transform: translate(-40%, -50%);
  border-left: 16px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  z-index: 1;
  pointer-events: none;
}
.ef-resource-card:hover .ef-resource-cover-video::after {
  background: var(--brand-accent);
}
.ef-resource-body {
  padding: 1.1rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.ef-resource-body .ef-resource-tag {
  margin-bottom: 0.25rem;
}
.ef-resource-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.45;
  color: var(--text);
}
.ef-resource-desc {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* ----- Section: Community ----- */
.ef-section-community {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
}
.ef-community-main {
  padding: 2.5rem;
  text-align: center;
  margin-bottom: 2.5rem;
}
.ef-community-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.ef-community-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--text);
}
.ef-community-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.ef-community-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1rem;
  background: var(--bg);
  border-radius: 12px;
}
.ef-stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-accent);
  letter-spacing: -0.02em;
}
.ef-stat-label {
  font-size: 0.82rem;
  color: var(--muted);
}
.ef-community-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0 auto 1.75rem;
  max-width: 560px;
}
.ef-community-cta {
  font-size: 1rem;
  padding: 0.85rem 2rem;
}

/* Social proof / tweets */
.ef-social-proof-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.ef-tweets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.ef-tweet {
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.ef-tweet-frame {
  display: inline-block;
  width: fit-content;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-accent);
  background: rgba(248, 168, 72, 0.12);
  border-radius: 6px;
  padding: 3px 10px;
  letter-spacing: 0.04em;
}
.ef-tweet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}
.ef-tweet-author {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}
.ef-tweet-date {
  font-size: 0.8rem;
  color: var(--muted);
}
.ef-tweet-text {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  flex: 1;
  border-left: 3px solid var(--border);
  padding-left: 0.85rem;
}
.ef-tweet-link {
  font-size: 0.85rem;
  color: var(--brand-accent);
  font-weight: 600;
  margin-top: auto;
}

/* ----- Section: FAQ ----- */
.ef-section-faq {
  /* inherits .section-faq from root style.css */
}
.ef-section-faq .faq-answer code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: -apple-system, ui-monospace, monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}
.ef-section-faq .faq-answer a {
  color: var(--brand-accent);
  font-weight: 600;
  text-decoration: none;
}
.ef-section-faq .faq-answer a:hover {
  text-decoration: underline;
}
.ef-faq-more {
  max-width: 720px;
  margin: 1.5rem auto 0;
  font-size: 0.92rem;
  color: var(--muted);
  text-align: center;
}
.ef-faq-more a {
  color: var(--brand-accent);
  font-weight: 600;
  text-decoration: none;
}
.ef-faq-more a:hover {
  text-decoration: underline;
}

/* ----- Section: Subscribe CTA ----- */
.ef-section-subscribe {
  background: var(--bg);
}
.ef-subscribe-card {
  padding: 2.5rem;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.ef-subscribe-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--text);
}
.ef-subscribe-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0 auto 1.5rem;
  max-width: 560px;
}
.ef-subscribe-ctas {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
  .ef-hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .ef-hero-image {
    max-width: 360px;
  }
  .ef-resources-grid {
    grid-template-columns: 1fr;
  }
  .ef-cashback-grid {
    grid-template-columns: 1fr;
  }
  .ef-cashback-meta {
    grid-template-columns: 1fr;
  }
  .ef-community-stats {
    grid-template-columns: 1fr;
  }
  .ef-tweets {
    grid-template-columns: 1fr;
  }
  .ef-resources-grid-3 {
    grid-template-columns: 1fr;
  }
  .ef-tier-thresholds {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .ef-points-grid {
    grid-template-columns: 1fr;
  }
  .ef-points-example-list {
    grid-template-columns: 1fr;
  }
  .ef-community-main,
  .ef-subscribe-card {
    padding: 1.75rem;
  }
}

/* Tablet: 2-col cashback grid + 2-col resources + 2-col points */
@media (min-width: 769px) and (max-width: 1024px) {
  .ef-cashback-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ef-cashback-meta {
    grid-template-columns: 1fr;
  }
  .ef-resources-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .ef-points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}