/* ═══════════════════════════════════════════════════════
   DV MOTION — Blockchain Page
   Styles spécifiques à blockchain.html
   (s'appuie sur finance.css pour les bases partagées)
═══════════════════════════════════════════════════════ */

/* ── Hero pill rouge ────────────────────────────────── */
.pill-red {
  background: rgba(204,17,17,0.15);
  border-color: var(--accent-red);
  color: var(--accent-red);
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════
   CRYPTO CARD — SECTION PRODUIT PHARE
══════════════════════════════════════════════════════ */

.bc-card-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #04040f 0%, rgba(204,17,17,0.06) 50%, #04040f 100%);
  position: relative;
  overflow: hidden;
}

.bc-card-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.bc-card-video-col {
  position: relative;
}

.bc-card-badge {
  position: absolute; top: -16px; left: 0; z-index: 2;
  background: var(--accent-red); color: #fff;
  font-family: var(--font-d); font-size: 0.36rem; font-weight: 800;
  letter-spacing: 0.2em; padding: 6px 16px;
  text-transform: uppercase;
}

.bc-card-video {
  width: 100%; display: block;
  border: 1px solid rgba(204,17,17,0.25);
  box-shadow: 0 0 80px rgba(204,17,17,0.12), 0 0 30px rgba(204,17,17,0.06);
}

.bc-card-content-col {
  display: flex; flex-direction: column; gap: 20px;
}

.bc-card-label {
  font-family: var(--font-d); font-size: 0.36rem; font-weight: 700;
  letter-spacing: 0.22em; color: var(--accent-red); text-transform: uppercase;
}

.bc-card-title {
  font-family: var(--font-d);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900; line-height: 1; color: var(--text-1);
}

.bc-card-title em { color: var(--accent-red); font-style: normal; }

.bc-card-tagline {
  font-size: 1.1rem; font-weight: 400; color: var(--text-1);
  line-height: 1.5;
}

.bc-card-desc {
  font-size: 0.92rem; font-weight: 300; color: var(--text-2); line-height: 1.7;
}

.bc-card-features {
  display: flex; flex-direction: column; gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.bc-cf-item {
  display: flex; gap: 14px; align-items: flex-start;
}

.bc-cf-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.bc-cf-item strong {
  display: block; font-size: 0.88rem; color: var(--text-1);
  margin-bottom: 2px;
}

.bc-cf-item p { font-size: 0.80rem; color: var(--text-3); margin: 0; line-height: 1.5; }

.bc-card-price-block {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  margin-top: 4px;
}

.bc-card-price-main { display: flex; align-items: baseline; gap: 6px; }

.bc-cp-from { font-size: 0.78rem; color: var(--text-3); font-family: var(--font-d); }

.bc-cp-amount {
  font-family: var(--font-d); font-size: 3rem; font-weight: 900;
  color: var(--text-1); line-height: 1;
}

.bc-cp-currency { font-size: 2rem; }

.bc-card-btn {
  display: inline-block;
  background: var(--accent-red); color: #fff;
  font-family: var(--font-d); font-size: 0.50rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 28px;
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}

.bc-card-btn:hover { background: #a80d0d; transform: translateY(-2px); }

.bc-card-note {
  font-size: 0.73rem; color: var(--text-3); font-style: italic;
  line-height: 1.5; border-left: 2px solid var(--border); padding-left: 12px;
}

/* ══════════════════════════════════════════════════════
   SECTIONS ARTICLES
══════════════════════════════════════════════════════ */

.bc-section { padding: 100px 0; }
.bc-section-dark { background: var(--bg-space); }

.bc-section-head { text-align: center; margin-bottom: 64px; }

.bc-label {
  font-family: var(--font-d); font-size: 0.38rem; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent-red); display: block; margin-bottom: 16px;
}

.bc-title {
  font-family: var(--font-d); font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800; line-height: 1.15; color: var(--text-1);
  margin-bottom: 0;
}

.bc-title em { color: var(--accent-red); font-style: normal; }

.bc-section-intro {
  max-width: 680px; margin: 16px auto 0;
  font-size: 0.95rem; font-weight: 300; color: var(--text-2); line-height: 1.7;
}

/* ── Article layout ─────────────────────────────────── */

.bc-article {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.bc-article-reverse .bc-article-img { order: 2; }
.bc-article-reverse .bc-article-text { order: 1; }

.bc-article-img {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
}

.bc-article-img img {
  width: 100%; display: block;
  transition: transform 0.5s;
  cursor: zoom-in;
}

.bc-article-img:hover img { transform: scale(1.03); }

/* ── Lightbox ───────────────────────────────────────── */

.bc-lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(6px);
}

.bc-lightbox.open {
  opacity: 1; pointer-events: all;
}

.bc-lb-img {
  max-width: 90vw; max-height: 88vh;
  object-fit: contain; display: block;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 0 80px rgba(0,0,0,0.8);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.bc-lightbox.open .bc-lb-img { transform: scale(1); }

.bc-lb-close {
  position: fixed; top: 20px; right: 24px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 1.2rem;
  width: 44px; height: 44px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  font-family: var(--font-b);
}

.bc-lb-close:hover { background: var(--accent-red); }

.bc-article-lead {
  font-size: 1rem; font-weight: 400; color: var(--text-1);
  line-height: 1.7; margin-bottom: 28px;
  border-left: 3px solid var(--accent-red);
  padding-left: 16px;
}

.bc-article-tip {
  font-size: 0.83rem; color: var(--text-2); line-height: 1.6;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  padding: 12px 16px; margin-top: 16px;
}

/* ── Key cards (section 1) ──────────────────────────── */

.bc-key-cards {
  display: grid; grid-template-columns: 1fr;
  gap: 12px; margin-bottom: 28px;
}

.bc-key-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-red);
  padding: 16px 20px;
  display: flex; gap: 14px; align-items: flex-start;
}

.bkc-icon { font-size: 1.2rem; flex-shrink: 0; }

.bc-key-card strong { display: block; color: var(--text-1); font-size: 0.88rem; margin-bottom: 4px; }
.bc-key-card p { font-size: 0.80rem; color: var(--text-3); margin: 0; line-height: 1.5; }

.bc-blockchains-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
}

.bc-chain-label { font-family: var(--font-d); font-size: 0.36rem; color: var(--text-3); letter-spacing: 0.12em; white-space: nowrap; }

.bc-chains { display: flex; flex-wrap: wrap; gap: 8px; }

.bc-chain {
  font-family: var(--font-d); font-size: 0.42rem; font-weight: 600;
  color: var(--text-2); background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); padding: 4px 10px;
  letter-spacing: 0.06em;
}

/* ── Crypto list (section 2) ────────────────────────── */

.bc-crypto-list { display: flex; flex-direction: column; gap: 16px; }

.bc-crypto-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}

.bc-crypto-item:last-child { border-bottom: none; }

.bc-crypto-sym {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-d); font-size: 1rem; font-weight: 800;
  flex-shrink: 0;
}

.bc-crypto-sym.btc { background: rgba(247,147,26,0.15); color: #F7931A; }
.bc-crypto-sym.eth { background: rgba(98,126,234,0.15); color: #627EEA; }
.bc-crypto-sym.sol { background: rgba(153,69,255,0.15); color: #9945FF; }
.bc-crypto-sym.stbl { background: rgba(39,174,96,0.15); color: #27AE60; }

.bc-crypto-item strong { display: block; color: var(--text-1); font-size: 0.88rem; margin-bottom: 4px; }
.bc-crypto-item p { font-size: 0.80rem; color: var(--text-2); margin: 0; line-height: 1.55; }

/* ── Insight boxes (section 3) ──────────────────────── */

.bc-insight-box {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 20px; margin-bottom: 12px;
  background: rgba(204,17,17,0.05);
  border: 1px solid rgba(204,17,17,0.18);
}

.bc-insight-box.bc-insight-green {
  background: rgba(0,200,128,0.04);
  border-color: rgba(0,200,128,0.2);
}

.bc-insight-icon { font-size: 1.2rem; flex-shrink: 0; }
.bc-insight-box strong { display: block; color: var(--text-1); font-size: 0.88rem; margin-bottom: 6px; }
.bc-insight-box p { font-size: 0.82rem; color: var(--text-2); margin: 0; line-height: 1.6; }

/* ── Security grid (section 4) ──────────────────────── */

.bc-security-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-bottom: 20px;
}

.bc-sec-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  padding: 16px; display: flex; flex-direction: column; gap: 6px;
}

.bc-sec-icon { font-size: 1.4rem; }
.bc-sec-item strong { font-size: 0.85rem; color: var(--text-1); }
.bc-sec-item p { font-size: 0.78rem; color: var(--text-2); margin: 0; line-height: 1.5; }
.bc-sec-item em { color: var(--accent-red); font-style: italic; }

.bc-security-rules {
  background: rgba(204,17,17,0.05);
  border: 1px solid rgba(204,17,17,0.2);
  padding: 16px 20px;
}

.bc-sr-title {
  font-family: var(--font-d); font-size: 0.38rem; font-weight: 700;
  letter-spacing: 0.15em; color: var(--accent-red); text-transform: uppercase;
  display: block; margin-bottom: 10px;
}

.bc-sr-item {
  font-size: 0.82rem; color: var(--text-2); padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.bc-sr-item:last-child { border-bottom: none; }

/* ── DeFi grid (section 5) ──────────────────────────── */

.bc-defi-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bc-defi-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  padding: 20px; display: flex; flex-direction: column; gap: 8px;
  position: relative;
}

.bc-dc-num {
  font-family: var(--font-d); font-size: 0.38rem; font-weight: 800;
  color: var(--accent-red); letter-spacing: 0.15em;
}

.bc-defi-card strong { font-size: 0.85rem; color: var(--text-1); }
.bc-defi-card p { font-size: 0.79rem; color: var(--text-2); margin: 0; line-height: 1.55; flex: 1; }

.bc-dc-exemple {
  font-family: var(--font-d); font-size: 0.34rem; color: var(--text-3);
  letter-spacing: 0.08em; margin-top: auto; padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* ── Mécanismes list (section 6) ────────────────────── */

.bc-meca-list { display: flex; flex-direction: column; gap: 14px; }

.bc-meca-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-red);
  padding: 16px 20px;
}

.bc-meca-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}

.bc-meca-icon { font-size: 1.2rem; }
.bc-meca-head strong { font-size: 0.88rem; color: var(--text-1); flex: 1; }

.bc-meca-apy {
  font-family: var(--font-d); font-size: 0.34rem; font-weight: 700;
  color: var(--bull); background: var(--bull-bg);
  padding: 3px 8px; letter-spacing: 0.08em; white-space: nowrap;
}

.bc-meca-item p { font-size: 0.80rem; color: var(--text-2); margin: 0; line-height: 1.6; }

/* ── Teaser inter-section ───────────────────────────── */

.bc-card-teaser {
  background: rgba(204,17,17,0.06);
  border-top: 1px solid rgba(204,17,17,0.2);
  border-bottom: 1px solid rgba(204,17,17,0.2);
  padding: 28px 0;
}

.bc-teaser-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}

.bc-teaser-label {
  font-family: var(--font-d); font-size: 0.34rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--accent-red); display: block; margin-bottom: 6px;
}

.bc-teaser-title {
  font-family: var(--font-d); font-size: 1rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 4px;
}

.bc-teaser-sub { font-size: 0.82rem; color: var(--text-2); margin: 0; }

.bc-teaser-cta {
  display: flex; align-items: center; gap: 20px; flex-shrink: 0;
}

.bc-teaser-price {
  font-size: 0.90rem; color: var(--text-2);
}

.bc-teaser-price strong {
  font-family: var(--font-d); font-size: 1.4rem; font-weight: 800;
  color: var(--text-1);
}

.bc-teaser-btn {
  display: inline-block;
  background: var(--accent-red); color: #fff;
  font-family: var(--font-d); font-size: 0.44rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 12px 22px;
  transition: background 0.2s;
  white-space: nowrap;
}

.bc-teaser-btn:hover { background: #a80d0d; }

/* ── Full CTA Crypto Card ───────────────────────────── */

.bc-card-full-cta {
  background: var(--bg-space);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
}

.bc-cta-inner {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 60px; align-items: center;
}

.bc-cta-inner .bc-label { text-align: left; }

.bc-cta-title {
  font-family: var(--font-d);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800; line-height: 1.2;
  color: var(--text-1); margin-bottom: 14px;
}

.bc-cta-title em { color: var(--accent-red); font-style: normal; }

.bc-cta-text p { font-size: 0.90rem; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }

.bc-cta-list {
  list-style: none; display: flex; flex-direction: column; gap: 6px;
}

.bc-cta-list li { font-size: 0.82rem; color: var(--text-2); }

.bc-cta-price-card {
  background: var(--bg-card);
  border: 1px solid rgba(204,17,17,0.3);
  padding: 36px 28px;
  display: flex; flex-direction: column; gap: 16px;
  text-align: center;
}

.bc-cta-pc-label {
  font-family: var(--font-d); font-size: 0.38rem; font-weight: 700;
  letter-spacing: 0.15em; color: var(--accent-red); text-transform: uppercase;
}

.bc-cta-pc-price {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}

.bc-cta-pc-from { font-size: 0.75rem; color: var(--text-3); }

.bc-cta-pc-amount {
  font-family: var(--font-d); font-size: 2.8rem; font-weight: 900;
  color: var(--text-1); line-height: 1;
}

.bc-cta-pc-btn {
  display: block;
  background: var(--accent-red); color: #fff;
  font-family: var(--font-d); font-size: 0.45rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 20px; text-align: center;
  transition: background 0.2s;
}

.bc-cta-pc-btn:hover { background: #a80d0d; }

.bc-cta-pc-note { font-size: 0.72rem; color: var(--text-3); font-style: italic; }

/* ── Web3 advances list (section 7) ─────────────────── */

.bc-web3-adv-list { display: flex; flex-direction: column; gap: 16px; }

.bc-adv-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  padding: 20px 22px;
}

.bc-adv-head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 10px;
}

.bc-adv-num {
  background: var(--accent-red); color: #fff;
  font-family: var(--font-d); font-size: 0.38rem; font-weight: 800;
  letter-spacing: 0.08em; padding: 4px 8px;
  flex-shrink: 0;
}

.bc-adv-head strong { font-size: 0.88rem; color: var(--text-1); }
.bc-adv-item p { font-size: 0.81rem; color: var(--text-2); margin: 0; line-height: 1.65; }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .bc-card-inner { grid-template-columns: 1fr; }
  .bc-card-video-col { order: 2; }
  .bc-card-content-col { order: 1; }
  .bc-cta-inner { grid-template-columns: 1fr; }
  .bc-article { grid-template-columns: 1fr; gap: 32px; }
  .bc-article-reverse .bc-article-img { order: 0; }
  .bc-article-reverse .bc-article-text { order: 0; }
  .bc-security-grid { grid-template-columns: 1fr; }
  .bc-defi-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .bc-card-section { padding: 70px 0; }
  .bc-section { padding: 70px 0; }
  .bc-teaser-inner { flex-direction: column; gap: 16px; }
  .bc-teaser-cta { flex-direction: column; align-items: flex-start; gap: 12px; }
  .bc-card-price-block { flex-direction: column; align-items: flex-start; gap: 14px; }
}