/* 
 * ORBITBIN DESIGN SYSTEM 
 * Architecture: Modular BEM-ish
 * Palette: Concrete Grey (#ECECEC), Hard Black (#111111), Accent Indigo (#4F46E5 - 234°), CTA Orange (#FF5A00)
 */

:root {
  --c-bg: #ECECEC;
  --c-surface: #FFFFFF;
  --c-text-main: #111111;
  --c-text-muted: #555555;
  --c-accent: #4F46E5; /* 234deg */
  --c-accent-hover: #4338CA;
  --c-orange: #FF5A00;
  --c-border: #D1D5DB;
  
  --f-ui: 'Manrope', system-ui, -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
  
  --s-px: 1px;
  --s-gap-sm: 1rem;
  --s-gap-md: 2rem;
  --s-gap-lg: 4rem;
  --s-radius: 2px;
  --s-shadow: 4px 4px 0px 0px var(--c-text-main);
  --s-container: 1280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--f-ui);
  background-color: var(--c-bg);
  color: var(--c-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* UTILITIES */
.u-container {
  width: 100%;
  max-width: var(--s-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.u-text-mono { font-family: var(--f-mono); }
.u-uppercase { text-transform: uppercase; letter-spacing: 0.05em; }
.u-bold { font-weight: 700; }
.u-block { display: block; }

/* TYPOGRAPHY */
h1, h2, h3, h4 {
  line-height: 1.1;
  margin-bottom: var(--s-gap-sm);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; color: var(--c-text-muted); max-width: 65ch; }

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

/* COMPONENTS: BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  border: var(--s-px) solid var(--c-text-main);
  cursor: pointer;
  position: relative;
  top: 0;
  left: 0;
  transition: transform 0.1s ease, background-color 0.2s;
}

.btn:hover { background-color: var(--c-text-main); color: var(--c-bg); }
.btn:active { transform: translate(2px, 2px); box-shadow: none; }

.btn--primary {
  background-color: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}

.btn--primary:hover { background-color: var(--c-accent-hover); color: #fff; }

.btn--orange {
  background-color: var(--c-orange);
  color: #fff;
  border-color: var(--c-orange);
}

.btn--orange:hover { background-color: #e04f00; color: #fff; }

.btn--outline {
  background-color: transparent;
  color: var(--c-text-main);
}

.btn--outline:hover {
  background-color: var(--c-text-main);
  color: var(--c-bg);
}

/* COMPONENTS: CARD GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-gap-md);
  margin-top: var(--s-gap-md);
}

/* LAYOUT: HEADER */
.blk-header {
  border-bottom: var(--s-px) solid var(--c-text-main);
  background: var(--c-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.blk-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.blk-nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.blk-nav__link {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.blk-nav__link:hover { color: var(--c-accent); }

.blk-logo {
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* LAYOUT: HERO */
.blk-hero {
  padding: calc(var(--s-gap-lg) * 2) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.blk-hero__content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--s-gap-lg);
  align-items: center;
}

.blk-hero__eyebrow {
  color: var(--c-orange);
  font-family: var(--f-mono);
  font-weight: 700;
  margin-bottom: 1rem;
  display: block;
}

.blk-hero__title {
  color: var(--c-text-main);
  margin-bottom: 1.5rem;
}

.blk-hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.blk-hero__image-wrapper {
  background: var(--c-text-main);
  padding: 1rem;
  border: var(--s-px) solid var(--c-text-main);
  position: relative;
}

.blk-hero__image {
  width: 100%;
  display: block;
  filter: grayscale(100%) contrast(1.2);
}

/* LAYOUT: SECTIONS */
.blk-section { padding: var(--s-gap-lg) 0; }
.blk-section--dark { background: var(--c-text-main); color: var(--c-bg); }
.blk-section--dark h2, .blk-section--dark p { color: #ccc; }
.blk-section--dark .blk-card { border-color: #444; background: #222; }

.blk-section__heading {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--s-gap-sm);
}

.blk-section__lead {
  max-width: 50ch;
  margin-bottom: 3rem;
}

/* LAYOUT: CARDS */
.blk-card {
  background: var(--c-surface);
  border: var(--s-px) solid var(--c-border);
  padding: 2rem;
  transition: transform 0.2s;
}

.blk-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 4px 4px 0px 0px var(--c-text-main);
  border-color: var(--c-text-main);
}

.blk-card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.blk-card__text {
  font-size: 0.95rem;
}

/* LAYOUT: STATS */
.blk-stats {
  padding: var(--s-gap-lg) 0;
  border-top: var(--s-px) solid var(--c-border);
  border-bottom: var(--s-px) solid var(--c-border);
}

.blk-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.blk-stats__value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--c-accent);
  font-family: var(--f-mono);
  display: block;
  line-height: 1;
}

.blk-stats__label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  display: block;
}

/* LAYOUT: FAQ */
.blk-faq { max-width: 800px; margin: 0 auto; }
.blk-faq__item {
  border-bottom: var(--s-px) solid var(--c-border);
  padding: 1.5rem 0;
}
.blk-faq__question {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.blk-faq__answer { color: var(--c-text-muted); }

/* LAYOUT: FOOTER */
.blk-footer {
  background: var(--c-surface);
  border-top: var(--s-px) solid var(--c-text-main);
  padding: var(--s-gap-lg) 0;
}

.blk-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.blk-footer__col h4 {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
}

.blk-footer__links {
  list-style: none;
}
.blk-footer__links li { margin-bottom: 0.75rem; }
.blk-footer__links a { color: var(--c-text-muted); font-size: 0.9rem; }
.blk-footer__links a:hover { color: var(--c-accent); }

/* MOBILE */
@media (max-width: 900px) {
  .blk-nav__links { display: none; }
  .blk-hero__content { grid-template-columns: 1fr; text-align: center; }
  .blk-hero__actions { justify-content: center; }
  .grid-3 { grid-template-columns: 1fr; }
  .blk-stats__grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .blk-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .blk-footer__grid { grid-template-columns: 1fr; }
  .blk-hero__title { font-size: 2.5rem; }
  .blk-stats__grid { grid-template-columns: 1fr; }
  .blk-stats { padding: 3rem 0; }
}*{box-sizing:border-box}img,svg,video{max-width:100%;height:auto}html{-webkit-text-size-adjust:100%}body{margin:0}