:root {
  --red: #BF0A30;
  --red-dark: #8a061f;
  --blue: #002868;
  --blue-deep: #001a47;
  --gold: #c9a24a;
  --btc: #f7931a;
  --ink: #0f1422;
  --muted: #5a6378;
  --line: #e3e6ee;
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --shadow: 0 6px 24px rgba(0, 20, 60, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1em; }

.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--red);
  margin: 0 0 .9em;
}
.eyebrow.center, .center { text-align: center; }
.lede { font-size: 1.18rem; color: rgba(255,255,255,.92); max-width: 720px; }
.lede-2 { font-size: 1.08rem; color: var(--muted); }
.lede-3 { font-size: 1.05rem; color: var(--muted); max-width: 760px; margin: 0 auto 2.4rem; }

/* ===== Concept banner ===== */
.concept-banner {
  background: #fff7e0;
  color: #5a3a00;
  font-size: .82rem;
  padding: 8px 16px;
  text-align: center;
  border-bottom: 1px solid #f1d98e;
}
.concept-banner span {
  background: #b7860b;
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
  margin-right: 6px;
}

/* ===== Top bar ===== */
.topbar {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.96);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand img { height: 44px; width: 44px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text small { font-size: .68rem; text-transform: uppercase; letter-spacing: .14em; color: var(--red); font-weight: 700; }
.brand-text strong { font-family: 'Playfair Display', serif; font-size: 1.05rem; color: var(--blue); }

.topnav { display: flex; gap: 26px; align-items: center; }
.topnav a { color: var(--ink); font-size: .94rem; font-weight: 500; }
.topnav a:hover { color: var(--blue); text-decoration: none; }
.cta-mini {
  background: var(--blue);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
}
.cta-mini:hover { background: var(--blue-deep); text-decoration: none; }

@media (max-width: 880px) {
  .topnav a:not(.cta-mini) { display: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(115deg, rgba(0,26,71,.86) 0%, rgba(0,26,71,.7) 45%, rgba(191,10,48,.55) 100%),
    url('img/coast.jpg') center 60% / cover no-repeat;
  z-index: -1;
}
.hero-inner {
  padding: 96px 24px 100px;
  text-align: left;
}
.hero-flag {
  width: 110px;
  height: auto;
  border: 2px solid rgba(255,255,255,.25);
  margin-bottom: 24px;
  box-shadow: 0 4px 18px rgba(0,0,0,.3);
}
.hero h1 { color: #fff; max-width: 14ch; }
.hero .eyebrow { color: #ffd9a8; }
.hero-ctas { margin: 32px 0 48px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 18px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats div { display: flex; flex-direction: column; gap: 4px; }
.hero-stats strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem;
  color: #fff;
}
.hero-stats span { font-size: .82rem; color: rgba(255,255,255,.72); }
@media (max-width: 700px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .01em;
  transition: transform .12s ease, background .12s ease;
  border: 2px solid transparent;
  text-decoration: none !important;
  cursor: pointer;
}
.btn-primary { background: var(--btc); color: #fff; border-color: var(--btc); }
.btn-primary:hover { background: #d97c12; border-color: #d97c12; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn.block { display: block; text-align: center; width: 100%; }
.btn.big { padding: 18px 34px; font-size: 1.05rem; }

/* ===== Strip ===== */
.strip {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.strip-inner {
  padding: 36px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.strip h3 { font-size: 1.1rem; margin: 0 0 4px; color: var(--blue); }
.strip p { margin: 0; color: var(--muted); font-size: .95rem; }
@media (max-width: 800px) { .strip-inner { grid-template-columns: 1fr; gap: 20px; } }

/* ===== Program ===== */
.program {
  padding: 100px 0;
  background: var(--bg);
}
.program-alt { background: var(--bg-alt); }
.program-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}
.program-grid.reverse { grid-template-columns: 1fr 1.4fr; }
@media (max-width: 900px) {
  .program-grid, .program-grid.reverse { grid-template-columns: 1fr; gap: 36px; }
  .program-grid.reverse .program-card { order: -1; }
}

.program-copy h2 { color: var(--blue); }
.program-copy .lede-2 { margin-bottom: 1.5em; }

.checks { list-style: none; padding: 0; margin: 0 0 28px; }
.checks li {
  position: relative;
  padding: 12px 0 12px 38px;
  border-bottom: 1px solid var(--line);
  font-size: .98rem;
}
.checks li:last-child { border-bottom: 0; }
.checks li::before {
  content: '';
  position: absolute;
  left: 4px; top: 18px;
  width: 18px; height: 18px;
  background: var(--blue);
  border-radius: 50%;
  background-image: linear-gradient(45deg, transparent 45%, #fff 45%, #fff 55%, transparent 55%),
                    linear-gradient(-45deg, transparent 45%, #fff 45%, #fff 55%, transparent 55%);
  background-size: 60% 60%;
  background-position: center;
  background-repeat: no-repeat;
}
.checks li strong { color: var(--ink); }

.callout {
  border-left: 4px solid var(--btc);
  background: #fff8ec;
  padding: 18px 22px;
  border-radius: 4px;
  font-size: .96rem;
  color: #5a3a00;
}
.callout-soft {
  border-left-color: var(--blue);
  background: #eef3fb;
  color: var(--blue-deep);
}

/* Program card */
.program-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 100px;
}
.program-alt .program-card { box-shadow: 0 10px 32px rgba(0, 20, 60, 0.06); }
.program-card header { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.program-card .badge {
  background: var(--red);
  color: #fff;
  padding: 3px 10px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  border-radius: 3px;
}
.program-card h3 { margin: 0; color: var(--blue); font-size: 1.3rem; }

.price {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 16px 0 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.price .amt {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--blue-deep);
  line-height: 1;
}
.price .den { font-size: .85rem; color: var(--muted); margin-top: 6px; }

.program-card dl { margin: 0 0 24px; }
.program-card dt {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-top: 14px;
  font-weight: 600;
}
.program-card dt:first-child { margin-top: 0; }
.program-card dd { margin: 4px 0 0; font-size: .95rem; }

/* ===== Eligible nations ===== */
.eligible {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, #fafbff 100%);
  border-top: 1px solid var(--line);
}
.flag-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin: 36px 0 28px;
}
@media (max-width: 900px) { .flag-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .flag-grid { grid-template-columns: repeat(2, 1fr); } }
.flag-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform .12s ease, border-color .12s ease;
}
.flag-tile:hover { transform: translateY(-2px); border-color: var(--blue); }
.flag-tile .fl { font-size: 2.1rem; line-height: 1; }
.flag-tile strong { font-size: .88rem; font-weight: 600; color: var(--ink); }
.small { font-size: .85rem; color: var(--muted); }

/* ===== Why BTC ===== */
.why-btc {
  background: var(--blue-deep);
  color: #fff;
  padding: 90px 0;
  background-image: radial-gradient(ellipse at 80% 20%, rgba(247,147,26,.22) 0%, transparent 60%),
                    radial-gradient(ellipse at 10% 100%, rgba(191,10,48,.22) 0%, transparent 60%);
}
.why-btc h2, .why-btc h3 { color: #fff; }
.why-btc .eyebrow { color: var(--btc); }
.why-btc p { color: rgba(255,255,255,.84); }
.why-btc .checks li { border-bottom-color: rgba(255,255,255,.16); }
.why-btc .checks li::before { background-color: var(--btc); }
.why-btc-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .why-btc-inner { grid-template-columns: 1fr; gap: 40px; } }
.why-btc-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.18);
  padding: 36px;
  border-radius: 8px;
  text-align: center;
  backdrop-filter: blur(8px);
}
.btc-symbol {
  font-family: 'Playfair Display', serif;
  font-size: 6rem;
  color: var(--btc);
  line-height: 1;
  margin-bottom: 10px;
}
.why-btc-card code {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 14px;
  background: rgba(0,0,0,.25);
  border-radius: 4px;
  font-size: .85rem;
  color: var(--btc);
  word-break: break-all;
}

/* ===== Process steps ===== */
.process { padding: 100px 0; background: var(--bg); }
.steps {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  background: var(--bg-alt);
  padding: 28px 22px;
  border-radius: 6px;
  border-top: 3px solid var(--red);
  position: relative;
}
.steps .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.steps h4 { margin: 0 0 6px; color: var(--blue); }
.steps p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ===== President ===== */
.president {
  background: var(--bg-alt);
  padding: 100px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.president-inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 900px) {
  .president-inner { grid-template-columns: 1fr; gap: 40px; }
  .president-photo { max-width: 320px; margin: 0 auto; }
}
.president-photo {
  background: #fff;
  padding: 16px 16px 0;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.president-photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.president-photo figcaption {
  padding: 14px 8px 16px;
  text-align: center;
  border-top: 1px solid var(--line);
  margin-top: 14px;
}
.president-photo figcaption strong {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  color: var(--blue);
}
.president-photo figcaption span { font-size: .82rem; color: var(--muted); }
.president-message h2 { color: var(--blue); }
.president-message blockquote {
  margin: 24px 0 0;
  padding: 0 0 0 22px;
  border-left: 3px solid var(--red);
  font-size: 1.04rem;
  color: var(--ink);
}
.signature {
  margin-top: 16px;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--blue);
}

/* ===== FAQ ===== */
.faq { padding: 100px 0; background: var(--bg); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq details:first-of-type { border-top: 1px solid var(--line); margin-top: 40px; }
.faq summary {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink);
  padding: 4px 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-size: 1.6rem;
  color: var(--red);
  font-weight: 300;
  transition: transform .15s ease;
}
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 14px 0 4px; color: var(--muted); }

/* ===== CTA band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.84); font-size: 1.1rem; }
.cta-buttons {
  margin-top: 30px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #0a0f1c;
  color: rgba(255,255,255,.74);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
.brand-foot img { filter: brightness(0) invert(1) opacity(.9); }
.brand-foot .brand-text small { color: var(--btc); }
.brand-foot .brand-text strong { color: #fff; }
.site-footer h5 {
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  margin: 0 0 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { padding: 4px 0; font-size: .9rem; }
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: #fff; }
.addr { font-size: .9rem; line-height: 1.7; margin-top: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  font-size: .82rem;
}
.footer-bottom .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.motto { font-family: 'Playfair Display', serif; color: var(--btc); }