:root {
  --brand-bg: #09090b;
  --brand-surface: #141417;
  --brand-accent: #a855f7;
  --brand-accent-hover: #9333ea;
  --text-muted: #a1a1aa;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
  --zinc-950: #09090b;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --container: 80rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--brand-bg);
  color: #fff;
  -webkit-font-smoothing: antialiased;
}

body ::selection {
  background: var(--brand-accent);
  color: #fff;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button, input { font: inherit; }

.hidden { display: none !important; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(9, 9, 11, 0.8);
  border-bottom: 1px solid rgba(39, 39, 42, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-link img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  border-radius: var(--radius-xl);
  border: 1px solid var(--zinc-800);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
  transition: border-color 0.3s;
}

.logo-link:hover img { border-color: var(--brand-accent); }

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  transition: color 0.2s;
}

.logo-link:hover .logo-text { color: var(--brand-accent); }

.main-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) { .main-nav { display: flex; } }

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  transition: color 0.2s;
}

.nav-link:hover { color: #fff; }

.dropdown { position: relative; }

.dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  transition: color 0.2s;
}

.dropdown-btn:hover { color: #fff; }

.dropdown-btn svg { width: 1rem; height: 1rem; color: var(--zinc-500); }

.dropdown-menu {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  width: 16rem;
  background: var(--brand-surface);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  padding: 0.5rem;
}

.dropdown:hover .dropdown-menu { display: block; }

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.375rem;
  transition: background 0.2s;
}

.dropdown-item:hover { background: rgba(39, 39, 42, 0.5); }

.dropdown-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--brand-accent);
  margin-top: 0.375rem;
  flex-shrink: 0;
}

.dropdown-item-title { font-size: 0.875rem; font-weight: 500; margin: 0; }
.dropdown-item-desc { font-size: 0.75rem; color: var(--text-muted); margin: 0.125rem 0 0; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#userActions:not(.hidden) { display: flex; }

.sign-in-link {
  display: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}

.sign-in-link:hover { color: #fff; }

@media (min-width: 640px) { .sign-in-link { display: block; } }

#userDisplayName {
  display: none;
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 640px) { #userDisplayName:not(.hidden) { display: block; } }

.hero-download-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
  max-width: 20rem;
}

@media (min-width: 1024px) {
  .hero-download-hint { text-align: left; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-white {
  background: #fff;
  color: #000;
  padding: 0.625rem 1.25rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}

.btn-white:hover { background: #e4e4e7; }

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--zinc-800);
  padding: 0.5rem 1rem;
}

.btn-outline:hover {
  color: #fff;
  border-color: var(--zinc-600);
}

.btn-accent {
  background: var(--brand-accent);
  color: #fff;
  padding: 1rem 2rem;
  box-shadow: 0 20px 25px -5px rgba(168, 85, 247, 0.1);
}

.btn-accent:hover { background: var(--brand-accent-hover); }

.btn-accent-sm {
  background: var(--brand-accent);
  color: #fff;
  padding: 0.75rem 1rem;
  width: 100%;
  box-shadow: 0 10px 15px -3px rgba(168, 85, 247, 0.2);
}

.btn-accent-sm:hover { background: var(--brand-accent-hover); }

.btn-dark {
  background: var(--zinc-800);
  color: #fff;
  padding: 0.75rem 1rem;
  width: 100%;
}

.btn-dark:hover { background: var(--zinc-700); }

.btn-block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  padding: 3rem 0 6rem;
  overflow: hidden;
  border-bottom: 1px solid var(--zinc-900);
}

@media (min-width: 1024px) {
  .hero { padding: 5rem 0 8rem; }
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
  }
}

.hero-content {
  text-align: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-column: span 7;
    text-align: left;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--zinc-400);
  margin-bottom: 2rem;
}

.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--brand-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 0 0 2rem;
}

@media (min-width: 640px) { .hero-title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero-title { font-size: 3.75rem; } }

.hero-gradient {
  background: linear-gradient(to right, #f4f4f5, #a1a1aa, #52525b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.625;
  max-width: 42rem;
  margin: 0 auto 0;
}

@media (min-width: 640px) { .hero-desc { font-size: 1.125rem; } }

@media (min-width: 1024px) {
  .hero-desc { margin: 0; }
}

.hero-cta {
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-cta { flex-direction: row; }
}

@media (min-width: 1024px) {
  .hero-cta { justify-content: flex-start; }
}

.hero-cta .btn-accent { width: 100%; }

@media (min-width: 640px) {
  .hero-cta .btn-accent { width: auto; }
}

.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

@media (min-width: 1024px) {
  .hero-visual { grid-column: span 5; }
}

.phone-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(168, 85, 247, 0.1), transparent);
  filter: blur(64px);
  border-radius: 9999px;
  max-width: 32rem;
  margin: 0 auto;
}

.phone-frame {
  position: relative;
  width: 18rem;
  background: var(--zinc-950);
  border: 4px solid var(--zinc-800);
  border-radius: 2.5rem;
  padding: 0.75rem;
  box-shadow: 0 25px 50px -12px #000;
}

@media (min-width: 640px) { .phone-frame { width: 20rem; } }

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8rem;
  height: 1rem;
  background: var(--zinc-800);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  z-index: 20;
}

.phone-screen {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
}

.phone-screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.7s;
}

.phone-screen img:first-child { opacity: 1; }
.phone-screen img:last-child { opacity: 0; }

.phone-frame:hover .phone-screen img:first-child { opacity: 0; }
.phone-frame:hover .phone-screen img:last-child { opacity: 1; }

/* Sections */
.section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--zinc-900);
}

.section-tech {
  background: linear-gradient(to bottom, var(--brand-bg), var(--zinc-950), var(--brand-bg));
}

.section-head {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 4rem;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--brand-accent);
  margin: 0 0 1rem;
}

.section-label.mono { font-family: ui-monospace, monospace; }

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0;
}

@media (min-width: 640px) {
  .section-title { font-size: 2.25rem; }
}

.card-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--brand-surface);
  border: 1px solid rgba(39, 39, 42, 0.6);
  border-radius: var(--radius-2xl);
  padding: 2rem;
}

.feature-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.625;
  margin: 0;
}

/* Pricing */
.pricing-grid {
  display: grid;
  gap: 2rem;
  max-width: 64rem;
  margin: 0 auto;
  align-items: stretch;
}

@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

.pricing-card {
  background: var(--brand-surface);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}

.pricing-card.featured {
  border: 2px solid var(--brand-accent);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.4);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  right: 1rem;
  background: var(--brand-accent);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
}

.pricing-card h3 {
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0;
}

.pricing-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin: 1.5rem 0;
}

.pricing-price .amount {
  font-size: 2.25rem;
  font-weight: 700;
}

.pricing-price .period {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  padding: 1.5rem 0 0;
  margin: 0;
  border-top: 1px solid var(--zinc-800);
  font-size: 0.875rem;
  color: var(--zinc-300);
  font-weight: 300;
}

.pricing-features li + li { margin-top: 0.75rem; }

.pricing-card .btn-wrap { margin-top: 2rem; }

/* Footer */
.site-footer {
  background: var(--brand-bg);
  padding: 3rem 0;
  border-top: 1px solid var(--zinc-900);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--zinc-900);
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-top { flex-direction: row; }
}

.footer-brand { font-weight: 600; color: #fff; font-size: 0.875rem; margin: 0; }
.footer-tagline { margin: 0.25rem 0 0; font-weight: 300; }

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
}

.footer-links button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: inherit;
  transition: color 0.2s;
}

.footer-links button:hover { color: #fff; }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--zinc-600);
  font-family: ui-monospace, monospace;
  font-size: 0.625rem;
}

@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; }
}

.footer-bottom p { margin: 0; }

/* Modals */
.modal-active { overflow: hidden; }

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal:not(.hidden) { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  border: none;
  cursor: pointer;
}

.modal-panel {
  background: var(--brand-surface);
  border: 1px solid var(--zinc-800);
  width: 100%;
  max-width: 28rem;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  position: relative;
  z-index: 10;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  text-align: center;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-panel-wide { max-width: 42rem; height: 500px; }

.modal-panel-dark { background: var(--zinc-950); }

.modal-logo {
  width: 3rem;
  height: 3rem;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--zinc-800);
  background: var(--brand-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-logo img { width: 2rem; height: 2rem; object-fit: contain; }

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.modal-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

.modal-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--zinc-900);
  padding-bottom: 0.75rem;
}

.modal-header-row h3 { margin: 0; font-size: 1.125rem; }

.modal-close {
  background: none;
  border: none;
  color: var(--zinc-500);
  font-size: 1.125rem;
  cursor: pointer;
  padding: 0;
}

.modal-close:hover { color: #fff; }

.text-left { text-align: left; }

.text-accent { color: var(--brand-accent); }
.text-accent-link {
  color: var(--brand-accent);
  background: none;
  border: none;
  cursor: pointer;
  font-size: inherit;
  padding: 0;
}

.text-accent-link:hover { text-decoration: underline; }

.text-muted-sm { font-size: 0.75rem; color: var(--text-muted); font-weight: 300; }

/* Auth steps */
.auth-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0 1rem;
}

.auth-step-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-500);
  padding: 0 0.25rem;
  margin-top: -0.5rem;
}

.auth-step-dot {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--zinc-700);
  color: var(--zinc-500);
  background: var(--zinc-900);
  transition: all 0.2s;
}

.auth-step-dot.active {
  border-color: var(--brand-accent);
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.auth-step-dot.done {
  border-color: var(--brand-accent);
  background: var(--brand-accent);
  color: #fff;
}

.auth-step-line {
  flex: 1;
  height: 1px;
  background: var(--zinc-700);
  max-width: 3rem;
}

.auth-step-line.active {
  background: linear-gradient(to right, var(--brand-accent), var(--zinc-700));
}

/* Forms */
.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-stack { display: flex; flex-direction: column; gap: 1rem; }

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--zinc-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.form-label i { color: var(--zinc-500); margin-right: 0.25rem; }

.form-input {
  width: 100%;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #fff;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--brand-accent); }

.form-input-sm {
  padding: 0.625rem 0.75rem;
  font-size: 0.75rem;
}

.form-hint {
  font-size: 0.6875rem;
  color: var(--zinc-500);
  margin: 0.375rem 0 0;
}

.form-hint span { color: var(--zinc-400); }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.checkbox-row input { margin-top: 0.125rem; accent-color: var(--brand-accent); }

.checkbox-row label {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.25;
  font-weight: 300;
}

.code-input {
  letter-spacing: 0.4em;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.verify-box {
  background: rgba(24, 24, 27, 0.6);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-xl);
  padding: 1rem;
}

.verify-box-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-500);
  font-weight: 500;
  margin: 0 0 0.5rem;
}

.verify-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: #fff;
}

.verify-row + .verify-row { margin-top: 0.5rem; }

.verify-row i { color: var(--brand-accent); width: 1rem; }

.verify-row .mono { font-family: ui-monospace, monospace; }
.verify-row .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.auth-error {
  display: none;
  font-size: 0.75rem;
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-lg);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.auth-error.visible { display: block; }

.auth-switch {
  font-size: 0.75rem;
  color: var(--zinc-500);
  border-top: 1px solid rgba(39, 39, 42, 0.8);
  padding-top: 1rem;
  font-weight: 300;
}

.auth-back {
  width: 100%;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.2s;
}

.auth-back:hover { color: #fff; }

#authSendBtn:disabled,
#authVerifyBtn:disabled,
#authResetBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Payment modal */
.qr-box {
  background: #1e2026;
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-2xl);
  padding: 1.25rem;
}

.qr-box p { font-size: 0.75rem; color: var(--zinc-400); font-weight: 500; margin: 0 0 1rem; }

.qr-frame {
  width: 12rem;
  height: 12rem;
  margin: 0 auto;
  background: #fff;
  padding: 0.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--zinc-700);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-frame img { width: 100%; height: 100%; object-fit: contain; }

.qr-meta {
  text-align: center;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--zinc-300);
  margin-top: 1rem;
}

.qr-meta .merchant { font-weight: 700; color: #f3ba2f; margin: 0; }
.qr-meta .id { color: var(--zinc-500); margin: 0.125rem 0 0; }

.btcpay-frame {
  width: 100%;
  max-width: 16rem;
  margin: 0 auto;
  background: #fff;
  padding: 0.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--zinc-700);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3);
}

.btcpay-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-xl) - 0.25rem);
}

.btn-btcpay {
  width: 100%;
  background: var(--brand-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.75rem;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  box-shadow: 0 10px 15px -3px rgba(168, 85, 247, 0.25);
  transition: background 0.2s;
}

.btn-btcpay:hover { background: var(--brand-accent-hover); }

/* Homepage BTCPay */
.section-btcpay {
  background: linear-gradient(to bottom, var(--brand-bg), var(--zinc-950));
}

.btcpay-home {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .btcpay-home {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.btcpay-home-desc {
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.625;
  margin: 1rem 0 1.5rem;
}

.btcpay-plan-label {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--brand-accent);
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 9999px;
  padding: 0.375rem 0.875rem;
  margin-bottom: 1.25rem;
}

.btcpay-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
  color: var(--zinc-300);
}

.btcpay-steps li + li { margin-top: 0.5rem; }

.btcpay-home-card {
  background: var(--brand-surface);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.4);
}

.btcpay-home-card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--zinc-400);
  margin: 0 0 1rem;
  font-weight: 600;
}

.btcpay-frame-lg {
  max-width: 18rem;
}

.btcpay-home-card-hint {
  font-size: 0.75rem;
  color: var(--zinc-500);
  margin: 1rem 0 0;
}

.signup-terms-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

.signup-terms-actions {
  display: flex;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--zinc-800);
}

.signup-terms-actions .btn-outline,
.signup-terms-actions .btn-accent-sm {
  flex: 1;
  width: auto;
}

/* Legal modal */
.legal-body {
  overflow-y: auto;
  flex: 1;
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--zinc-400);
  line-height: 1.625;
  padding-right: 0.5rem;
}

.legal-body p { margin: 0 0 1rem; }

.legal-footer {
  text-align: right;
  padding-top: 0.5rem;
  border-top: 1px solid var(--zinc-800);
}

.legal-footer button {
  background: var(--zinc-800);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background 0.2s;
}

.legal-footer button:hover { background: var(--zinc-700); }

.plan-label { font-size: 0.75rem; color: var(--brand-accent); margin: 0.25rem 0 0; }

.modal-panel-legal {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.faq-card {
    background: var(--card-bg, rgba(255,255,255,0.05));
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    border-radius: 12px;
    padding: 1.5rem;
}

.faq-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.faq-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-list li {
    font-size: 0.875rem;
    opacity: 0.85;
    line-height: 1.5;
}

/* Screenshots Section */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.screenshot-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    background: var(--card-bg, rgba(255,255,255,0.05));
    transition: transform 0.2s;
}

.screenshot-card:hover {
    transform: translateY(-4px);
}

.screenshot-card img {
    width: 100%;
    display: block;
}

.screenshot-info {
    padding: 1rem;
}

.screenshot-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.screenshot-info p {
    font-size: 0.8rem;
    opacity: 0.75;
    line-height: 1.5;
}

/* Terms Checkboxes */
.signup-terms-checks {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    border-radius: 8px;
}

.terms-check-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.85rem;
    line-height: 1.5;
    cursor: pointer;
}

.terms-check-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

button[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Feedback Section */
.feedback-wrap {
    max-width: 640px;
    margin: 2rem auto 0;
}

.feedback-auth {
    text-align: center;
    opacity: 0.7;
    padding: 2rem;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    border-radius: 12px;
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feedback-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feedback-field label {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feedback-field select,
.feedback-field textarea {
    background: var(--card-bg, rgba(255,255,255,0.05));
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: inherit;
    font-size: 0.9rem;
    resize: vertical;
    outline: none;
}

.feedback-field select:focus,
.feedback-field textarea:focus {
    border-color: var(--accent, #7c3aed);
}

.feedback-actions {
    display: flex;
    justify-content: flex-end;
}

.feedback-success {
    color: #22c55e;
    font-size: 0.875rem;
}

.feedback-error {
    color: #ef4444;
    font-size: 0.875rem;
}

/* Feedback Section */
.feedback-wrap {
    max-width: 640px;
    margin: 2rem auto 0;
}

.feedback-auth {
    text-align: center;
    opacity: 0.7;
    padding: 2rem;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    border-radius: 12px;
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feedback-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feedback-field label {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feedback-field select,
.feedback-field textarea {
    background: var(--card-bg, rgba(255,255,255,0.05));
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: inherit;
    font-size: 0.9rem;
    resize: vertical;
    outline: none;
}

.feedback-field select:focus,
.feedback-field textarea:focus {
    border-color: var(--accent, #7c3aed);
}

.feedback-actions {
    display: flex;
    justify-content: flex-end;
}

.feedback-success {
    color: #22c55e;
    font-size: 0.875rem;
}

.feedback-error {
    color: #ef4444;
    font-size: 0.875rem;
}

/* Announcement Banner */
.announcement-banner {
    background: linear-gradient(90deg, #7c3aed, #4f46e5);
    color: #fff;
    text-align: center;
    padding: 0.6rem 2rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
}

.announcement-close {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.7;
    position: absolute;
    right: 1rem;
}

.announcement-close:hover {
    opacity: 1;
}

/* User Counter */
.user-counter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    opacity: 0.8;
}

.counter-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s infinite;
}

/* Social Links */
.footer-social {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    opacity: 0.7;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}

.social-link:hover {
    opacity: 1;
}