/* ── Tokens ── */
:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #222;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text: #f0f0f0;
  --text-secondary: #a0a0a0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --nav-h: 64px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout helpers ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-bottom 0.2s;
}
.site-nav.scrolled { border-bottom: 1px solid var(--border); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo img {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  transition: background 0.15s !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Hero ── */
#hero {
  padding: 96px 0 80px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(59,130,246,0.12);
  color: var(--accent);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}
#hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 8px;
}
.hero-tagline {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 24px;
}
.hero-body {
  max-width: 560px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.trust-line {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(59,130,246,0.3);
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 32px rgba(59,130,246,0.45);
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-primary svg { width: 20px; height: 20px; }
.btn-secondary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}
.btn-secondary:hover { color: var(--text); }

.hero-preview {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  min-height: 360px;
  background:
    radial-gradient(circle at top, rgba(59,130,246,0.16), transparent 42%),
    linear-gradient(180deg, rgba(20,20,20,0.98), rgba(10,10,10,0.96));
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-preview-inner {
  max-width: 340px;
  text-align: center;
  display: grid;
  gap: 18px;
  justify-items: center;
}
.hero-preview img {
  width: 124px;
  height: 124px;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.45));
}
.hero-preview h2 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.hero-preview p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Trusted-by / social proof strip ── */
.social-proof {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.social-proof p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ── Sections ── */
section { padding: 96px 0; }
.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  line-height: 1.7;
}
.section-sub-wide { max-width: none; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }

/* ── Cards and preview sections ── */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}
.comparison-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.comparison-card.accent-card {
  border-color: rgba(59,130,246,0.4);
  background: rgba(59,130,246,0.06);
}
.comparison-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.comparison-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}
.comparison-card li .icon-check { color: #22c55e; flex-shrink: 0; margin-top: 2px; }
.comparison-card li .icon-x { color: #ef4444; flex-shrink: 0; margin-top: 2px; }
.comparison-card li .icon-minus { color: var(--text-secondary); flex-shrink: 0; margin-top: 2px; }

/* ── Features ── */
#features .section-header { margin-bottom: 56px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(59,130,246,0.35);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(59,130,246,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--accent); }
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Workflow ── */
#workflow {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.workflow-steps::before {
  content: '';
  position: absolute;
  top: 22px;
  left: calc(12.5% + 22px);
  right: calc(12.5% + 22px);
  height: 1px;
  background: var(--border);
}
.workflow-step {
  text-align: center;
  padding: 0 16px;
  position: relative;
}
.step-num {
  width: 44px;
  height: 44px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  position: relative;
  z-index: 1;
}
.workflow-step h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.workflow-step p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}
.workflow-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.workflow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.workflow-card .step-num {
  margin: 0 0 18px;
}
.workflow-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.workflow-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ── Screenshots ── */
#screenshots .screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
#screenshots figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}
#screenshots .screenshot-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background:
    radial-gradient(circle at top, rgba(59,130,246,0.14), transparent 44%),
    linear-gradient(180deg, rgba(20,20,20,0.96), rgba(10,10,10,0.96));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.placeholder-stack {
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.placeholder-stack img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}
#screenshots .screenshot-placeholder span {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}
#screenshots figcaption {
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--surface);
}

/* ── Download ── */
.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.download-copy {
  max-width: 520px;
}
.download-eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.download-copy h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.download-copy p {
  color: var(--text-secondary);
  line-height: 1.6;
}
.download-link[data-download-target] {
  white-space: normal;
  max-width: 280px;
  text-align: center;
}

/* ── CTA band ── */
#cta-band {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
#cta-band h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
#cta-band p {
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

/* ── Footer ── */
.site-footer {
  padding: 56px 0 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand .nav-logo { margin-bottom: 12px; }
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  max-width: 240px;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.825rem;
}

/* ── Support / Privacy pages ── */
.page-hero {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.page-hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
}
.page-content {
  max-width: 720px;
  padding: 64px 24px 96px;
  margin: 0 auto;
}
.page-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.page-content p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
.page-content a { color: var(--accent); }
.page-content code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
/* FAQ accordion and support form */
.faq-list { margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
details[open] { border-color: rgba(59,130,246,0.3); }
summary {
  padding: 18px 20px;
  font-weight: 500;
  font-size: 0.975rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '';
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a0a0a0' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.2s;
}
details[open] summary::after { transform: rotate(180deg); }
details p {
  padding: 0 20px 18px;
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.7;
  margin: 0;
}
.support-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 40px;
}
.support-panel,
.support-aside {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.support-panel h2,
.support-aside h2 {
  margin-top: 0;
}
.contact-form {
  display: grid;
  gap: 16px;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.field {
  display: grid;
  gap: 8px;
}
.field label,
.field span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.field input,
.field textarea {
  width: 100%;
  appearance: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}
.field textarea {
  min-height: 180px;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: 2px solid rgba(59,130,246,0.45);
  outline-offset: 1px;
  border-color: rgba(59,130,246,0.45);
}
.field-full { grid-column: 1 / -1; }
.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.form-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.form-status {
  min-height: 1.5em;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.form-status[data-state="success"] { color: #22c55e; }
.form-status[data-state="error"] { color: #ef4444; }
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .workflow-cards { grid-template-columns: 1fr 1fr; }
  #screenshots .screenshots-grid { grid-template-columns: 1fr; }
  .download-panel { flex-direction: column; align-items: stretch; }
  .download-link[data-download-target] { max-width: none; }
  .support-layout,
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-links { gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  #hero { padding: 64px 0 56px; }
  section { padding: 64px 0; }
}
@media (max-width: 480px) {
  .workflow-cards { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 24px; }
}