/* Boost Lab Digital LTD - corporate site
   One stylesheet, no build step, no dependencies. */

:root {
  --ground: #0A0A0B;
  --surface: #141416;
  --surface-raised: #1C1C1F;
  --hairline: #26262A;
  --hairline-strong: #34343A;

  --text: #FFFFFF;
  --text-secondary: #B4B4BA;
  --text-tertiary: #8E8E96;

  --accent: #D4F84E;
  --accent-soft: rgba(212, 248, 78, 0.14);
  --accent-edge: rgba(212, 248, 78, 0.42);

  --shell: 1120px;
  --gutter: 24px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Inter,
               Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

a {
  color: var(--text);
  text-decoration-color: var(--hairline-strong);
  text-underline-offset: 3px;
  transition: color 0.18s ease, text-decoration-color 0.18s ease;
}
a:hover { color: var(--accent); text-decoration-color: var(--accent-edge); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -120%);
  z-index: 100;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--ground);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.skip-link:focus { transform: translate(-50%, 0); color: var(--ground); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 11, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
}
.brand-mark svg { width: 20px; height: 20px; fill: rgba(255, 255, 255, 0.45); }
.brand-mark .mark-accent { fill: var(--accent); }

.brand-text {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 15px;
  letter-spacing: 0.01em;
}
.brand-name { font-weight: 600; white-space: nowrap; }
.brand-suffix {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
}
.site-nav a:hover { color: var(--text); background: var(--surface); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  padding: clamp(64px, 12vw, 132px) 0 clamp(56px, 10vw, 108px);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: -1px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 12%, transparent 78%);
}

.hero-glow {
  position: absolute;
  left: 50%;
  top: -34%;
  width: min(1000px, 150%);
  aspect-ratio: 1 / 1;
  transform: translateX(-50%);
  background: radial-gradient(circle at 50% 50%,
              rgba(212, 248, 78, 0.13) 0%,
              rgba(212, 248, 78, 0.05) 32%,
              transparent 62%);
}

.hero-lines {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6%;
  width: 100%;
  height: 76%;
  opacity: 0.85;
}

.hero-inner { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  margin-bottom: 26px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: rgba(20, 20, 22, 0.6);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hero-title {
  font-size: clamp(2.5rem, 7.2vw, 4.6rem);
  letter-spacing: -0.035em;
  max-width: 15ch;
}
.hero-title-suffix {
  display: inline-block;
  font-size: 0.32em;
  font-weight: 600;
  letter-spacing: 0.18em;
  vertical-align: middle;
  color: var(--text-tertiary);
  transform: translateY(-0.35em);
}

.hero-lead {
  max-width: 56ch;
  margin-top: 24px;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  text-wrap: pretty;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}
.hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 18px;
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(28, 28, 31, 0.75), rgba(20, 20, 22, 0.55));
}
.fact-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.fact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--text);
}

/* ---------- Sections ---------- */

.section {
  padding: clamp(64px, 9vw, 112px) 0;
  border-bottom: 1px solid var(--hairline);
}
.section-alt {
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(212, 248, 78, 0.045), transparent 58%),
    var(--surface);
}

.section-kicker {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  max-width: 20ch;
}

.section-grid { display: grid; gap: 32px; }

.section-head-wide { margin-bottom: 44px; }
.section-head-wide h2 { max-width: 24ch; }

.prose p + p { margin-top: 18px; }
.prose {
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  text-wrap: pretty;
}
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--text); text-decoration-color: var(--accent-edge); }

/* ---------- Product ---------- */

.product {
  display: grid;
  gap: 28px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 100% at 0% 0%, rgba(212, 248, 78, 0.05), transparent 60%),
    linear-gradient(180deg, rgba(28, 28, 31, 0.9), rgba(16, 16, 18, 0.9));
}

.product-visual {
  display: grid;
  place-items: center;
  padding: 8px;
}
.product-visual svg {
  width: min(180px, 46vw);
  height: auto;
}

.product-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.product-name { font-size: clamp(1.5rem, 3vw, 1.875rem); }

.badge {
  padding: 5px 12px;
  border: 1px solid var(--accent-edge);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.product-line {
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.product-desc {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--text-secondary);
  line-height: 1.7;
  text-wrap: pretty;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.product-features li {
  padding: 7px 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: rgba(10, 10, 11, 0.5);
  font-size: 14px;
  color: var(--text-secondary);
}

.product-status {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  font-size: 15px;
  color: var(--text-secondary);
}
.status-dot {
  flex: 0 0 auto;
  margin-top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* ---------- Company information ---------- */

.info-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.info-card {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(20, 20, 22, 0.9), rgba(14, 14, 16, 0.9));
}

.info-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.info-list { margin: 0; }
.info-row + .info-row { margin-top: 16px; }
.info-row dt {
  font-size: 13.5px;
  color: var(--text-tertiary);
  margin-bottom: 3px;
}
.info-row dd {
  margin: 0;
  font-size: 16px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.info-address {
  font-style: normal;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- Policy documents ---------- */

.doc {
  padding: clamp(48px, 8vw, 88px) 0 clamp(56px, 9vw, 96px);
  border-bottom: 1px solid var(--hairline);
}

.doc-kicker {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.doc-kicker a { color: var(--accent); text-decoration: none; }
.doc-kicker a:hover { text-decoration: underline; }

.doc-title { font-size: clamp(2rem, 5vw, 3rem); }

.doc-meta {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-tertiary);
}

.doc-body {
  max-width: 68ch;
  margin-top: 40px;
  color: var(--text-secondary);
  line-height: 1.75;
  text-wrap: pretty;
}
.doc-lead {
  padding-bottom: 28px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--hairline);
  font-size: 1.125rem;
  color: var(--text);
}
.doc-body h2 {
  margin-top: 40px;
  margin-bottom: 12px;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.01em;
  max-width: none;
}
.doc-body p + p { margin-top: 16px; }
.doc-body strong { color: var(--text); font-weight: 600; }
.doc-body a { color: var(--text); text-decoration-color: var(--accent-edge); }
.doc-body ul {
  margin-top: 14px;
  padding-left: 1.3em;
  list-style: disc;
}
.doc-body li { margin-top: 8px; }
.doc-body li::marker { color: var(--text-tertiary); }

.doc-back { margin-top: 48px; }
.doc-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
}
.doc-back a::before { content: "\2190"; }
.doc-back a:hover { color: var(--text); border-color: var(--accent-edge); }

/* ---------- Footer ---------- */

.site-footer {
  padding: 48px 0 56px;
  background: var(--ground);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.footer-copy { font-size: 15px; color: var(--text); }
.footer-detail {
  margin-top: 8px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-tertiary);
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}
.footer-links li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-links a {
  font-size: 14.5px;
  color: var(--text-secondary);
  text-decoration: none;
}
.footer-links a:hover { color: var(--accent); }
.footer-links a[aria-current="page"] { color: var(--text); }

/* ---------- Wider viewports ---------- */

@media (min-width: 640px) {
  :root { --gutter: 32px; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .section-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }

  .product {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 48px;
  }
  .footer-links ul { justify-content: flex-end; }
}

/* Below 640px the brand and three nav items cannot share one row without either
   wrapping the company name or shrinking the tap targets. Stack them instead, and
   drop the sticky behaviour so a two-row header does not eat the small viewport. */
@media (max-width: 639px) {
  html { scroll-padding-top: 20px; }

  .site-header { position: static; }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-height: 0;
    padding-top: 14px;
    padding-bottom: 10px;
  }
  .site-nav { width: 100%; }
  .site-nav ul { margin-left: -12px; }
}

@media (max-width: 400px) {
  .site-nav a { padding: 8px 10px; font-size: 14px; }
  .brand-text { font-size: 14px; }
  .hero-facts li { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

@media print {
  .site-header, .hero-bg, .product-visual { display: none; }
  body { background: #fff; color: #000; }
  .info-card, .product { border-color: #ccc; background: none; }
  .fact-value, .info-row dd, .info-address, h1, h2, h3 { color: #000; }
}