/* ==========================================================
   LAYOUT — nav, footer, common section wrapper, buttons
   ========================================================== */

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--accent);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-mark::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--accent);
  opacity: 0.3;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav-link {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 8px 14px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  cursor: pointer;
}
.nav-link:hover { color: var(--ink); border-color: var(--line-2); }
.nav-link.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255,91,31,0.08);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 18px;
  background: var(--accent);
  color: #000;
  transition: all 0.15s ease;
}
.nav-cta:hover { background: #ff7140; transform: translateY(-1px); }

.nav-mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-2);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-transform: uppercase;
}

/* ---------- SECTION ---------- */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 32px;
  position: relative;
  z-index: 2;
}

.section-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.section-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 680px;
  line-height: 1.55;
}

/* ---------- BUTTONS ---------- */
.btn {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border: 1px solid var(--accent);
}
.btn-primary:hover {
  background: #ff7140;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,91,31,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(255,255,255,0.03);
}

.btn-arrow { transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------- MARQUEE ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
  z-index: 2;
}
.marquee-track {
  display: flex;
  gap: 60px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 12px; }
.marquee-track .sep { color: var(--accent); font-size: 8px; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- FOOTER ---------- */
footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 60px 32px 32px;
  position: relative;
  z-index: 2;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 10px;
  cursor: pointer;
  transition: color 0.15s;
}
.footer-col li:hover { color: var(--ink); }
.footer-col li a { color: inherit; }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- MOBILE ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-top: 1px solid var(--line);
    padding: 16px;
    gap: 8px;
    align-items: stretch;
  }
  .nav-links.open .nav-link {
    width: 100%;
  }
  .nav-mobile-toggle { display: inline-block; }
  .section { padding: 60px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}