/* ProfileSaver marketing site — dark neutral, WCAG AA contrast */

:root {
  --bg-base: #0f1115;
  --bg-elevated: #1a1d24;
  --bg-card: #22262f;
  --border: #2e3440;
  --text: #e8eaed;
  --text-muted: #9aa0a8;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-dim: rgba(45, 212, 191, 0.12);
  --danger: #f87171;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-heading: "Space Grotesk", var(--font-body);
  --max-width: 1120px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--bg-base);
}

.skip-link:focus {
  left: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(15, 17, 21, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-main {
  display: none;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-main a {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.nav-main a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown[open] summary,
.nav-dropdown summary:hover {
  color: var(--text);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  min-width: 200px;
  padding: 0.5rem 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
}

.nav-dropdown-menu a:hover {
  background: var(--bg-card);
  color: var(--text);
  text-decoration: none;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
}

@media (min-width: 900px) {
  .nav-main {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--bg-base);
  padding: 1.5rem;
  overflow-y: auto;
  z-index: 99;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  border-bottom: 1px solid var(--border);
}

.mobile-nav a {
  display: block;
  padding: 1rem 0;
  color: var(--text);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-base);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg-base);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  text-decoration: none;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--bg-elevated);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  margin: 0;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45, 212, 191, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(96, 165, 250, 0.05), transparent);
  pointer-events: none;
}

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

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  max-width: 32ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem;
}

/* Feature grid */
.feature-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  position: relative;
  padding-top: 2.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50%;
}

.step h3 {
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Pricing */
.pricing-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.pricing-card .price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.pricing-card .price-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

.pricing-includes {
  text-align: left;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.pricing-includes li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.pricing-includes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.pricing-fine {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pricing-fine a {
  color: var(--text-muted);
  text-decoration: underline;
}

/* Download cards */
.download-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.download-card.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.download-card h3 {
  font-family: var(--font-heading);
  margin: 0 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
}

.badge-muted {
  background: rgba(154, 160, 168, 0.2);
  color: var(--text-muted);
}

.download-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.75rem 0 1rem;
}

.hash-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  font-family: ui-monospace, monospace;
  color: var(--text-muted);
  word-break: break-all;
  margin-top: 0.75rem;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 1.15rem 0;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 600;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .faq-answer {
  padding: 0 0 1.15rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Entitlements box */
.entitlements-box {
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.entitlements-box h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.entitlements-box ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.entitlements-box li {
  margin-bottom: 0.5rem;
}

/* Suggestions */
.suggestions-block {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

/* Technology */
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.tech-tag {
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
}

/* Checkout */
.checkout-layout {
  max-width: 520px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.checkout-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.form-group input[type="email"],
.form-group input[type="text"] {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.checkbox-group {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.checkbox-group input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.5;
}

.xmr-block {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.xmr-amount {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.xmr-rate-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.address-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.address-row input {
  flex: 1;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  padding: 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  margin: 1rem auto;
  background: var(--bg-elevated);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.checkout-micro {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

.payment-widget-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.payment-widget-email-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  text-align: center;
}

.payment-widget-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
  max-width: 100%;
}

.payment-widget-wrap iframe {
  display: block;
  max-width: 100%;
  border: 0;
  border-radius: var(--radius);
  background: var(--bg-base);
}

.payment-widget-fallback {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0;
  text-align: center;
}

/* Legal pages */
.legal-page {
  padding: 2rem 0 4rem;
}

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
}

.legal-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.legal-page h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
}

.legal-page p,
.legal-page li {
  color: var(--text-muted);
}

.legal-page ul,
.legal-page ol {
  padding-left: 1.25rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 1.5rem;
  background: var(--bg-elevated);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0.5rem 0 0;
  max-width: 36ch;
}

.footer-links h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-legal-strip {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-legal-strip a {
  color: var(--text-muted);
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: rgba(26, 29, 36, 0.95);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  z-index: 90;
  transform: translateY(100%);
  transition: transform 0.25s;
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

@media (min-width: 900px) {
  .sticky-cta {
    display: none;
  }
}

body.has-sticky-cta {
  padding-bottom: 4rem;
}

/* Utility */
.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.alert-info {
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--text);
}

.alert-warning {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
}