/* ── Landing page ─────────────────────────────────────────────────────────── */

body.landing {
  overflow: hidden;
  height: 100vh;
}

/* Full-bleed background */
.landing-bg {
  position: fixed; inset: 0; z-index: 0;
}
.landing-bg img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.18) saturate(0.6);
}
.landing-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.18) 2px,
      rgba(0,0,0,0.18) 4px
    );
  pointer-events: none;
}

/* Particle canvas */
#particles {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
}

/* Center content */
.landing-content {
  position: relative; z-index: 2;
  height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2rem;
  text-align: center;
  padding: 2rem;
}
.landing-logo {
  width: 120px; height: 120px; object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(247,147,26,0.5));
  animation: logo-pulse 3s ease-in-out infinite;
}
@keyframes logo-pulse {
  0%,100% { filter: drop-shadow(0 0 24px rgba(247,147,26,0.5)); }
  50%      { filter: drop-shadow(0 0 48px rgba(247,147,26,0.9)); }
}
.landing-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #f7931a 0%, #ffd54f 50%, #f7931a 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.landing-sub {
  font-family: var(--font-display);
  font-size: clamp(0.55rem, 1.5vw, 0.8rem);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.btn-connect {
  margin-top: 1rem;
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-void);
  background: var(--nak-accent);
  border-radius: var(--radius);
  box-shadow: 0 0 32px rgba(247,147,26,0.4), 0 0 8px rgba(247,147,26,0.6) inset;
  transition: box-shadow var(--transition), transform var(--transition);
}
.btn-connect:hover {
  box-shadow: 0 0 48px rgba(247,147,26,0.7), 0 0 16px rgba(247,147,26,0.8) inset;
  transform: translateY(-2px);
}
.btn-connect:active { transform: translateY(0); }

/* ── SIWE Modal ───────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }

.siwe-modal {
  width: 380px;
  background: #1a1b1e;
  border: 1px solid #333;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
  animation: modal-in 0.25s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.siwe-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid #2a2a2a;
}
.siwe-header-title {
  display: flex; align-items: center; gap: 0.75rem;
}
.siwe-metamask-icon {
  width: 32px; height: 32px;
}
.siwe-header h3 {
  font-family: var(--font-display); font-size: 0.75rem;
  letter-spacing: 0.1em; color: #fff;
}
.siwe-close {
  background: none; color: #666; font-size: 1.2rem;
  padding: 0.2rem 0.5rem; border-radius: 4px;
}
.siwe-close:hover { background: #2a2a2a; color: #ccc; }

.siwe-body { padding: 1.4rem; }

.siwe-site-info {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #111;
  border: 1px solid #222;
  border-radius: 8px;
  margin-bottom: 1.25rem;
}
.siwe-site-icon {
  width: 36px; height: 36px; border-radius: 50%;
  object-fit: contain;
}
.siwe-site-name {
  font-family: var(--font-display); font-size: 0.7rem;
  letter-spacing: 0.08em; color: #ccc;
}
.siwe-site-url { font-size: 0.7rem; color: #555; font-family: var(--font-mono); }

.siwe-wallet {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: #111; border: 1px solid #222; border-radius: 8px;
  margin-bottom: 1.25rem;
}
.siwe-wallet-addr { font-family: var(--font-mono); font-size: 0.75rem; color: #888; }
.siwe-wallet-badge {
  font-size: 0.6rem; background: #1a3a1a; color: #4caf50;
  border: 1px solid #4caf50; border-radius: 4px; padding: 0.1rem 0.4rem;
}

.siwe-message-box {
  background: #0d0d0d; border: 1px solid #222; border-radius: 8px;
  padding: 0.9rem; margin-bottom: 1.25rem;
}
.siwe-message-label {
  font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: #555; margin-bottom: 0.5rem; font-family: var(--font-display);
}
.siwe-message-text {
  font-family: var(--font-mono); font-size: 0.7rem; color: #aaa;
  line-height: 1.7; white-space: pre-wrap;
}

.siwe-actions {
  display: flex; gap: 0.75rem;
}
.siwe-btn-cancel {
  flex: 1; padding: 0.75rem;
  background: #1a1a1a; color: #888;
  border: 1px solid #333; border-radius: 8px;
  font-family: var(--font-display); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: background var(--transition);
}
.siwe-btn-cancel:hover { background: #222; color: #ccc; }
.siwe-btn-sign {
  flex: 2; padding: 0.75rem;
  background: var(--nak-accent); color: #000;
  border-radius: 8px;
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: opacity var(--transition);
}
.siwe-btn-sign:hover { opacity: 0.9; }
.siwe-btn-sign:disabled { opacity: 0.4; cursor: not-allowed; }

/* Spinner state */
.siwe-spinner {
  display: none; flex-direction: column; align-items: center; gap: 1rem;
  padding: 2rem;
}
.siwe-spinner.active { display: flex; }
.spinner-ring {
  width: 40px; height: 40px;
  border: 3px solid #333;
  border-top-color: var(--nak-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-label { font-family: var(--font-mono); font-size: 0.7rem; color: #666; }

/* Hash confirmed state */
.siwe-confirmed {
  display: none; flex-direction: column; align-items: center; gap: 0.75rem;
  padding: 1.5rem;
}
.siwe-confirmed.active { display: flex; }
.siwe-checkmark { font-size: 2rem; color: #4caf50; }
.siwe-hash-label { font-size: 0.65rem; letter-spacing: 0.1em; color: #555;
  font-family: var(--font-display); text-transform: uppercase; }
.siwe-hash-value { font-family: var(--font-mono); font-size: 0.65rem; color: var(--nak-accent); }
.siwe-redirect-msg { font-family: var(--font-display); font-size: 0.6rem;
  color: #555; letter-spacing: 0.08em; }