:root {
  --bg: #071212;
  --bg-2: #0c1718;
  --ink: #f5f3eb;
  --text: #d9ded5;
  --muted: #8fa09a;
  --line: rgba(245, 243, 235, .14);
  --line-strong: rgba(245, 243, 235, .24);
  --panel: rgba(255, 255, 255, .055);
  --panel-strong: rgba(255, 255, 255, .09);
  --teal: #33d6bf;
  --teal-dark: #0c8579;
  --coral: #ff8568;
  --lime: #d6f36e;
  --shadow: 0 24px 80px rgba(0, 0, 0, .35);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% -10%, rgba(51, 214, 191, .22), transparent 34rem),
    radial-gradient(circle at 92% 8%, rgba(255, 133, 104, .12), transparent 28rem),
    linear-gradient(180deg, #071212 0%, #0b1213 42%, #11120f 100%);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.sr-only {
  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 {
  position: fixed;
  top: -80px;
  left: 18px;
  z-index: 999;
  background: var(--teal);
  color: #05100f;
  padding: 10px 14px;
  border-radius: 0 0 var(--radius) var(--radius);
  text-decoration: none;
  font-weight: 800;
}

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 18, 18, .82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-shell,
.page-shell,
.content-shell,
.download-shell,
.footer-shell,
.footer-bottom {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(51, 214, 191, .42);
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(51, 214, 191, .22), rgba(255, 133, 104, .16));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 12px 30px rgba(51, 214, 191, .14);
  flex: 0 0 auto;
}

.brand-mark span {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 5px solid var(--ink);
  border-right-color: var(--teal);
  border-bottom-color: var(--coral);
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: .01em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  padding: 8px 11px;
  border-radius: var(--radius);
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--panel-strong);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--panel);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: clamp(560px, calc(100vh - 118px), 760px);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background-image: url("/assets/hero-audio.png");
  background-image: image-set(
    url("/assets/hero-audio.webp") type("image/webp"),
    url("/assets/hero-audio.png") type("image/png")
  );
  background-position: center;
  background-size: cover;
  filter: saturate(1.05) contrast(1.02);
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 18, 18, .94) 0%, rgba(7, 18, 18, .76) 40%, rgba(7, 18, 18, .35) 100%),
    linear-gradient(180deg, rgba(7, 18, 18, .1) 0%, rgba(7, 18, 18, .72) 100%);
}

.hero-shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 68px 0 38px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .16em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 {
  width: min(790px, 100%);
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 82px);
  font-weight: 900;
}

.hero-lead {
  width: min(680px, 100%);
  color: var(--text);
  font-size: clamp(18px, 2vw, 22px);
  margin-bottom: 24px;
}

.search-box {
  width: min(850px, 100%);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid rgba(245, 243, 235, .28);
  border-radius: 14px;
  background: rgba(5, 16, 15, .78);
  box-shadow: var(--shadow);
}

.search-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--teal);
}

.search-box input {
  min-width: 0;
  height: 58px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 17px;
}

.search-box input::placeholder {
  color: rgba(217, 222, 213, .58);
}

.primary-btn,
.ghost-btn,
.result-action {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 850;
}

.primary-btn {
  color: #031211;
  background: linear-gradient(135deg, var(--teal), var(--lime));
}

.primary-btn:hover {
  filter: brightness(1.05);
}

.ghost-btn {
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line-strong);
}

.quick-searches {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
}

.chip {
  min-height: 36px;
  border: 1px solid rgba(245, 243, 235, .2);
  border-radius: 999px;
  color: var(--text);
  background: rgba(245, 243, 235, .07);
  padding: 0 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.chip:hover {
  border-color: rgba(51, 214, 191, .45);
  color: var(--ink);
}

.results-region {
  display: none;
  padding: 46px 0 20px;
  background: rgba(5, 13, 13, .54);
}

.results-region.show {
  display: block;
}

.status-bar {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
}

.status-bar.on {
  display: inline-flex;
}

.loader {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(245, 243, 235, .26);
  border-top-color: var(--teal);
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.results-head {
  display: none;
  margin: 24px 0 18px;
}

.results-head.show {
  display: block;
}

.results-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 0;
}

.results-head span {
  color: var(--teal);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.result-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .055);
  overflow: hidden;
  animation: lift .35s ease both;
}

@keyframes lift {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.result-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: block;
  overflow: hidden;
  background: #101919;
}

.result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.result-thumb span {
  position: absolute;
  right: 8px;
  bottom: 8px;
  background: rgba(0, 0, 0, .72);
  color: #fff;
  border-radius: 6px;
  padding: 3px 7px;
  font-size: 12px;
  font-weight: 800;
}

.result-body {
  padding: 14px;
}

.result-body h3 {
  min-height: 42px;
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.result-body p {
  min-height: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  margin-bottom: 13px;
}

.result-body p span:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(143, 160, 154, .7);
  margin-left: 8px;
  vertical-align: middle;
}

.result-action {
  width: 100%;
  min-height: 42px;
  color: #04100f;
  background: var(--teal);
  font-size: 14px;
}

.empty-state {
  display: none;
  margin-top: 20px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.empty-state.show {
  display: block;
}

.load-more-wrap {
  display: none;
  justify-content: center;
  padding: 26px 0;
}

.load-more-wrap.show {
  display: flex;
}

.trust-strip,
.seo-section,
.feature-band,
.faq-band,
.content-band {
  padding: 72px 0;
}

.trust-strip {
  background: #0b1516;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metrics-grid article,
.feature-grid article,
.faq-stack article,
.content-panel,
.faq-row {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metrics-grid article {
  padding: 18px;
}

.metrics-grid strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 17px;
}

.metrics-grid span {
  color: var(--muted);
  font-size: 14px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 90px);
}

.seo-section h2,
.feature-band h2,
.faq-band h2,
.page-hero h1 {
  font-size: clamp(34px, 5vw, 62px);
  margin-bottom: 0;
}

.copy-stack p,
.content-panel p,
.faq-row p {
  color: var(--text);
  font-size: 17px;
}

.copy-stack p:last-child,
.content-panel p:last-child,
.faq-row p:last-child,
.faq-stack p:last-child {
  margin-bottom: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.feature-grid article {
  padding: 24px;
}

.feature-num {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--coral);
  font-weight: 950;
}

.feature-grid h3,
.faq-stack h3,
.content-panel h2,
.faq-row h2 {
  margin-bottom: 10px;
  font-size: 22px;
}

.feature-grid p,
.faq-stack p {
  color: var(--muted);
  margin-bottom: 0;
}

.faq-stack {
  display: grid;
  gap: 12px;
}

.faq-stack article,
.faq-row {
  padding: 20px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #071010;
  padding: 40px 0 22px;
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
}

.footer-brand {
  width: min(420px, 100%);
}

.footer-brand p,
.footer-bottom p {
  color: var(--muted);
  font-size: 14px;
  margin: 16px 0 0;
}

.brand-footer .brand-mark {
  width: 38px;
  height: 38px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 780;
}

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

.footer-bottom {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-main {
  background:
    radial-gradient(circle at 82% 8%, rgba(255, 133, 104, .16), transparent 24rem),
    radial-gradient(circle at 8% 12%, rgba(51, 214, 191, .15), transparent 22rem);
}

.page-hero {
  padding: 82px 0 50px;
}

.crumb {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

.crumb:hover {
  color: var(--teal);
}

.page-hero .lead {
  width: min(780px, 100%);
  color: var(--text);
  font-size: clamp(18px, 2vw, 22px);
}

.content-shell {
  display: grid;
  gap: 16px;
}

.content-panel {
  padding: clamp(20px, 4vw, 34px);
}

.content-panel ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--text);
}

.content-panel li + li {
  margin-top: 7px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.download-main {
  background:
    radial-gradient(circle at 80% 0%, rgba(51, 214, 191, .15), transparent 25rem),
    linear-gradient(180deg, #071212, #0d1414);
}

.download-hero {
  padding: 52px 0 80px;
}

.download-card {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.download-thumb {
  min-height: 100%;
  background: #101919;
}

.download-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.download-copy {
  padding: clamp(22px, 4vw, 42px);
}

.download-copy h1 {
  font-size: clamp(26px, 4vw, 48px);
  margin-bottom: 16px;
}

.download-copy p {
  color: var(--text);
}

.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text);
  border: 1px solid rgba(214, 243, 110, .28);
  border-radius: var(--radius);
  background: rgba(214, 243, 110, .08);
  padding: 14px;
  margin-top: 18px;
}

.notice svg {
  flex: 0 0 auto;
  color: var(--lime);
  margin-top: 2px;
}

.converter-panel {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.converter-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.converter-head span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 18px rgba(51, 214, 191, .7);
}

.converter-panel iframe {
  display: block;
  width: 100%;
  height: min(720px, 84vh);
  min-height: 560px;
  border: 0;
  background: #fff;
}

@media (max-width: 980px) {
  .results-grid,
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout,
  .download-card {
    grid-template-columns: 1fr;
  }

  .download-thumb {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .section-shell,
  .page-shell,
  .content-shell,
  .download-shell,
  .footer-shell,
  .footer-bottom,
  .hero-shell {
    width: min(100% - 28px, 1180px);
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px 18px;
    background: rgba(7, 18, 18, .98);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero {
    min-height: auto;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(7, 18, 18, .9), rgba(7, 18, 18, .82));
  }

  .hero-shell {
    padding: 52px 0 30px;
  }

  .hero h1 {
    font-size: clamp(38px, 13.4vw, 54px);
  }

  .search-box {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .primary-btn {
    grid-column: 1 / -1;
    width: 100%;
  }

  .results-grid,
  .metrics-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip,
  .seo-section,
  .feature-band,
  .faq-band,
  .content-band {
    padding: 52px 0;
  }

  .footer-shell {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}