:root {
  --bg: #04070d;
  --bg-2: #07111c;
  --surface: rgba(10, 22, 31, 0.82);
  --surface-strong: rgba(12, 27, 38, 0.94);
  --surface-soft: rgba(17, 35, 47, 0.74);
  --line: rgba(153, 184, 199, 0.16);
  --line-strong: rgba(96, 165, 250, 0.34);
  --text: #f6fbff;
  --muted: #98aebe;
  --accent: #34d4ff;
  --accent-2: #2563eb;
  --accent-3: #93c5fd;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 96px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.22), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(52, 212, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #03070c 0%, #07111a 28%, #02050a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 92%);
}

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

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

code {
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.1);
  color: #d8f5ff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
}

:focus-visible {
  outline: 3px solid rgba(43, 212, 191, 0.8);
  outline-offset: 4px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 40;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  background: #ffffff;
  color: #07121a;
  font-weight: 700;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 16, 24, 0.72);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-logo {
  width: clamp(180px, 18vw, 230px);
  height: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 10px 28px rgba(37, 99, 235, 0.35));
}

.brand-copy {
  display: grid;
  gap: 0.15rem;
  max-width: 28ch;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a,
.footer-links a {
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
}

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

.header-cta,
.btn,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.header-cta,
.btn-primary,
.link-button {
  background: linear-gradient(135deg, #44dbff, #2563eb);
  color: #031019;
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.28);
}

.header-cta:hover,
.btn:hover,
.link-button:hover {
  transform: translateY(-2px);
}

.btn-secondary,
.link-button-secondary {
  border: 1px solid rgba(125, 211, 252, 0.22);
  background: rgba(11, 26, 37, 0.88);
  color: var(--text);
}

.section-shell {
  padding: 5rem 0;
}

.hero {
  position: relative;
  overflow: clip;
  padding-top: 3.6rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 0;
  height: 78%;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(2, 5, 10, 0.1), rgba(2, 5, 10, 0.88)),
    radial-gradient(circle at 70% 28%, rgba(52, 212, 255, 0.18), transparent 24%);
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-background img {
  position: absolute;
  left: 50%;
  top: 3.5rem;
  width: min(1380px, 120vw);
  height: auto;
  opacity: 0.18;
  transform: translateX(-50%);
  filter: blur(5px) saturate(0.92);
  mix-blend-mode: screen;
}

.hero-grid,
.download-columns,
.closing-card,
.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.hero-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 2rem;
}

.eyebrow,
.panel-kicker,
.card-tag,
.mono-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
}

.eyebrow,
.panel-kicker,
.card-tag {
  color: #a3d9ff;
}

.eyebrow::before,
.panel-kicker::before,
.card-tag::before,
.mono-label::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.hero h1,
.section-heading h2,
.closing-card h2,
.hero-panel h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 12ch;
  margin-top: 1rem;
  font-size: clamp(3rem, 7vw, 5.8rem);
  text-shadow: 0 0 32px rgba(37, 99, 235, 0.18);
}

.lead,
.section-copy,
.download-card p,
.faq-item p,
.closing-card p {
  color: var(--muted);
  line-height: 1.72;
}

.lead {
  max-width: 64ch;
  margin: 1.25rem 0 0;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-points {
  display: grid;
  gap: 0.95rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 1.3rem;
  color: #c5d4de;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hero-panel,
.download-card,
.closing-card,
.feature-row,
.path-card,
.extra-feature-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 19, 30, 0.96), rgba(5, 12, 20, 0.92));
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1rem;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border-color: rgba(96, 165, 250, 0.22);
  background:
    linear-gradient(180deg, rgba(9, 18, 29, 0.98), rgba(4, 9, 16, 0.96));
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -5rem -5rem auto;
  width: 14rem;
  height: 14rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2), transparent 68%);
}

.hero-panel-image {
  position: relative;
  padding: 0.35rem;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(52, 212, 255, 0.6), rgba(37, 99, 235, 0.46));
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.58);
}

.hero-panel-image::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 24%);
}

.hero-panel-image img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid rgba(147, 197, 253, 0.18);
  background: #07111a;
}

.hero-panel-summary {
  position: relative;
  margin-top: 1rem;
  padding: 0.2rem 0.3rem 0.35rem;
}

.hero-panel h2 {
  max-width: 16ch;
  margin-top: 0.9rem;
  font-size: clamp(1.75rem, 3vw, 2.55rem);
}

.signal-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.signal-list div,
.mini-card,
.download-card {
  border-radius: var(--radius-md);
}

.signal-list div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(96, 165, 250, 0.16);
  background: rgba(4, 11, 19, 0.74);
}

.signal-list span {
  color: var(--muted);
}

.signal-list strong,
.mini-card p,
.download-card h4,
.faq-item summary {
  color: var(--text);
}

.mini-grid {
  display: grid;
  gap: 0.95rem;
  margin-top: 1.2rem;
}

.mini-card {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(96, 165, 250, 0.18);
  background: rgba(4, 10, 17, 0.82);
}

.mono-label {
  color: #9fd7ff;
  font-family: "IBM Plex Mono", monospace;
}

.download-card h4 {
  margin: 0.85rem 0 0.75rem;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.section-heading {
  max-width: 72ch;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin-top: 0.9rem;
  font-size: clamp(2.15rem, 4vw, 4rem);
}

.section-copy {
  margin-top: 1rem;
  font-size: 1.05rem;
}

.download-columns {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  align-items: start;
}

.feature-showcase {
  display: grid;
  gap: 1.25rem;
}

.feature-row {
  display: grid;
  gap: 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-row {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  padding: 1.3rem;
}

.feature-row-reverse .feature-copy {
  order: 2;
}

.feature-row-reverse .feature-media {
  order: 1;
}

.feature-copy {
  padding: 0.35rem 0.3rem;
}

.feature-copy h3,
.extra-feature-card h3 {
  margin: 0.9rem 0 0.75rem;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.feature-copy h3 {
  font-size: clamp(1.85rem, 3vw, 3rem);
  max-width: 14ch;
}

.feature-copy p,
.extra-feature-card p {
  color: var(--muted);
  line-height: 1.72;
}

.feature-copy-tight h3 {
  max-width: 11ch;
}

.feature-media,
.feature-media-dual,
.extra-feature-grid {
  display: grid;
  gap: 0.95rem;
}

.feature-media-dual {
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.44fr);
  align-items: end;
}

.media-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.16);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.16), transparent 30%),
    rgba(4, 10, 17, 0.86);
  box-shadow: 0 22px 54px rgba(2, 8, 18, 0.54);
}

.media-card img {
  width: 100%;
  height: auto;
  display: block;
}

.media-card-illustration {
  padding: 1rem;
}

.media-card-small {
  align-self: end;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.path-card {
  display: grid;
  gap: 0.9rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.path-card h3 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.08;
  font-size: clamp(1.45rem, 2.6vw, 2.35rem);
}

.path-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.path-card-primary {
  border-color: rgba(68, 219, 255, 0.44);
  background:
    radial-gradient(circle at top right, rgba(68, 219, 255, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(12, 28, 42, 0.98), rgba(5, 12, 21, 0.94));
}

.extra-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.extra-feature-card {
  padding: 1.45rem;
  border-radius: var(--radius-md);
}

.extra-feature-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 0.4rem;
  padding: 0.85rem;
  border: 1px solid rgba(96, 165, 250, 0.16);
  border-radius: 16px;
  background: rgba(4, 10, 17, 0.86);
  object-fit: contain;
}

.download-group {
  display: grid;
  gap: 1rem;
}

.group-heading h3 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.group-heading p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.download-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack-grid,
.button-stack,
.faq-list {
  display: grid;
  gap: 1rem;
}

.download-card {
  padding: 1.4rem;
}

.download-card-primary {
  position: relative;
  border-color: rgba(68, 219, 255, 0.44);
  background:
    radial-gradient(circle at top right, rgba(68, 219, 255, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(12, 28, 42, 0.98), rgba(5, 12, 21, 0.94));
  box-shadow:
    0 0 0 1px rgba(68, 219, 255, 0.14),
    0 22px 60px rgba(10, 22, 38, 0.54);
}

.download-card-primary .link-button {
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.34);
}

.download-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.9rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(68, 219, 255, 0.34);
  border-radius: 999px;
  background: rgba(68, 219, 255, 0.1);
  color: #d8f6ff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.download-flag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px rgba(68, 219, 255, 0.12);
}

.download-card-accent {
  border-color: var(--line-strong);
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.22), transparent 28%),
    linear-gradient(180deg, rgba(11, 22, 37, 0.98), rgba(5, 12, 21, 0.92));
}

.file-type {
  margin: 0 0 1.2rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 31, 0.9);
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 1.2rem 4rem 1.2rem 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.6rem;
  line-height: 1;
}

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

.faq-item p {
  margin: 0;
  padding: 0 1.2rem 1.2rem;
}

.closing-band {
  padding-top: 2rem;
}

.closing-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 1.7rem;
  border-radius: var(--radius-lg);
}

.site-footer {
  padding: 1rem 0 3rem;
}

.footer-inner {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.footer-brand .brand-copy small {
  max-width: none;
}

.brand-logo-footer {
  width: clamp(160px, 16vw, 210px);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 1100px) {
  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-row-reverse .feature-copy,
  .feature-row-reverse .feature-media {
    order: initial;
  }
}

@media (max-width: 960px) {
  .header-inner {
    min-height: 74px;
    flex-wrap: wrap;
    padding: 0.9rem 0;
  }

  .hero-grid,
  .feature-media-dual,
  .path-grid,
  .download-columns,
  .closing-card,
  .footer-inner,
  .extra-feature-grid {
    grid-template-columns: 1fr;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: flex;
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 0.85rem;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    padding: 0.55rem 0.8rem;
    border: 1px solid rgba(96, 165, 250, 0.16);
    border-radius: 999px;
    background: rgba(4, 10, 17, 0.72);
  }

  .hero h1 {
    max-width: 10.5ch;
  }

  .brand {
    gap: 0.7rem;
  }

  .brand-copy {
    max-width: 22ch;
  }

  .feature-copy h3 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .section-shell {
    padding: 4rem 0;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .header-cta {
    display: none;
  }

  .brand-copy {
    display: none;
  }

  .hero-panel,
  .download-card,
  .closing-card,
  .feature-row,
  .path-card,
  .extra-feature-card {
    padding: 1.2rem;
  }

  .hero-background img {
    top: 5rem;
    width: 155vw;
    opacity: 0.14;
  }

  .feature-copy h3 {
    max-width: none;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}