/* ---------------------------------------------------
   Nyvalume — design tokens
--------------------------------------------------- */
:root {
  /* surfaces */
  --bg: #0d0d0d;
  --bg-alt: #101014;
  --bg-alt2: #0a0a0f;
  --panel-bg: #131316;

  /* text */
  --text: #f5f5f5;
  --text-muted: #a0a0a0;
  --text-faint: #6f6f76;

  /* brand purple, sampled from logo.png */
  --purple-a: #7152e0;
  --purple-b: #9173f6;
  --purple-core: #8360ee;
  --purple-light: #c2adfb;
  --purple-deep: #5c47b3;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* type */
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --space-7: 7rem;

  --radius-pill: 999px;
  --radius-lg: 20px;
  --radius-md: 12px;

  --max-width: 1120px;
}

/* ---------------------------------------------------
   Reset
--------------------------------------------------- */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}
p { margin: 0 0 var(--space-2); }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
.container-narrow {
  max-width: 640px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--purple-core);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

/* focus visibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--purple-light);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------------------------------------------------
   Header / Nav
--------------------------------------------------- */
.site-header {
  position: sticky;
  top: var(--space-2);
  z-index: 50;
  padding: 0 var(--space-3);
  margin-bottom: 0;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: rgba(13, 13, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 10px 10px 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.brand-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.site-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 4px;
  transition: color 0.2s ease;
}
.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  padding: 0;
}
.nav-toggle-bar {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------------------------------------------------
   Buttons
--------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple-a), var(--purple-b));
  color: #fff;
  box-shadow: 0 0 0 1px rgba(145, 115, 246, 0.25), 0 8px 30px -8px rgba(131, 96, 238, 0.65);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(145, 115, 246, 0.4), 0 10px 36px -6px rgba(131, 96, 238, 0.8);
}
.btn-disabled {
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  font-weight: 500;
  cursor: default;
}

/* ---------------------------------------------------
   Hero
--------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-7) var(--space-3) var(--space-6);
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 640px;
  background: radial-gradient(closest-side, rgba(131, 96, 238, 0.35), rgba(131, 96, 238, 0.08) 55%, transparent 75%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.hero-logo {
  width: 88px;
  height: auto;
  margin: 0 auto var(--space-3);
}
.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 60ch;
  margin: 0 auto var(--space-4);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

/* ---------------------------------------------------
   Sections
--------------------------------------------------- */
.section {
  padding: var(--space-6) 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-bottom: var(--space-2);
}
.section-lede {
  text-align: center;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 auto var(--space-5);
}

.statement {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  color: var(--text);
  max-width: 42ch;
  margin: 0 auto;
}

/* ---------------------------------------------------
   Product screenshots
--------------------------------------------------- */
.panel-wrap {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}
.panel-glow {
  position: absolute;
  inset: -14% -10%;
  background:
    radial-gradient(closest-side, rgba(194, 173, 251, 0.20), transparent 60%),
    radial-gradient(closest-side, rgba(131, 96, 238, 0.32), transparent 72%);
  filter: blur(34px);
  z-index: 0;
}

/* Frame the real product screenshots like a lit device bezel —
   the padding keeps corner rounding off the actual UI pixels,
   so the screenshot content is never cropped or altered. */
.panel-frame {
  position: relative;
  z-index: 1;
  padding: 10px;
  background: linear-gradient(165deg, #16111f, #0a080f 65%);
  border-radius: var(--radius-lg);
  box-shadow:
    0 30px 60px -28px rgba(0, 0, 0, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.panel-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, rgba(194, 173, 251, 0.45), rgba(194, 173, 251, 0.05) 35%, transparent 65%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.panel-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}
.panel-wrap-secondary {
  max-width: 420px;
  margin: var(--space-5) auto 0;
  text-align: center;
}
.panel-frame-secondary {
  padding: 7px;
  box-shadow:
    0 20px 40px -22px rgba(0, 0, 0, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.panel-frame-secondary .panel-shot {
  border-radius: 9px;
}
.panel-caption {
  margin: var(--space-2) 0 0;
  font-size: 0.9rem;
  color: var(--text-faint);
}

/* ---------------------------------------------------
   Features
--------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5) var(--space-3);
  max-width: var(--max-width);
  margin: 0 auto;
}
.feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--purple-light);
}
.feature span {
  font-size: 1rem;
  color: var(--text);
}

@media (max-width: 767px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------------------------------------------------
   Compatibility badges
--------------------------------------------------- */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}
.badge svg {
  width: 16px;
  height: 16px;
  color: var(--purple-light);
}

/* ---------------------------------------------------
   Support
--------------------------------------------------- */
#support {
  text-align: center;
}
.support-text {
  color: var(--text-muted);
  margin: 0 auto var(--space-3);
  max-width: 50ch;
}
.support-email {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--purple-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(194, 173, 251, 0.4);
  padding-bottom: 2px;
}
.support-email:hover {
  color: var(--text);
  border-color: var(--text);
}

/* ---------------------------------------------------
   Footer
--------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt2);
  padding: var(--space-4) 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.footer-brand {
  font-family: var(--font-heading);
  font-weight: 600;
}
.footer-copy,
.footer-email {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
}
.footer-email:hover {
  color: var(--text);
}

/* ---------------------------------------------------
   Scroll reveal
--------------------------------------------------- */
/* Reveal-on-scroll only engages once script.js has run (.has-js) so
   content stays fully visible with JavaScript disabled. */
@media (prefers-reduced-motion: no-preference) {
  .has-js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .has-js .reveal.in-view {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------------------------------------------------
   Responsive: nav collapse
--------------------------------------------------- */
@media (max-width: 767px) {
  /* No-JS fallback: nav toggle stays hidden and the nav list stays in
     normal flow (always visible, stacked) so navigation still works
     with JavaScript disabled. */
  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .site-nav a {
    padding: 12px 14px;
    border-radius: 8px;
  }
  .site-nav a:hover {
    background: rgba(255, 255, 255, 0.04);
  }
  .header-inner {
    position: relative;
    flex-wrap: wrap;
  }

  /* Once script.js runs, it adds .has-js to <html> and the nav
     collapses behind the toggle button. */
  .has-js .nav-toggle {
    display: flex;
  }
  .has-js .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.96);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-1);
    display: none;
  }
  .has-js .site-nav.is-open {
    display: flex;
  }
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav { display: flex !important; }
}

/* ---------------------------------------------------
   Small screens fine-tuning
--------------------------------------------------- */
@media (max-width: 480px) {
  .hero { padding-top: var(--space-6); }
}