/* ============================================================
   Attention Labs — Site styles
   Atmospheric dark canvas + mint accent, layered over the
   Attention Labs design tokens.
   ============================================================ */

@import url('tokens.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--canvas-dark);
  color: var(--on-dark);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ---------- Layout ---------- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.section {
  padding: 96px 0;
  position: relative;
}
.section-sm { padding: 64px 0; }
.section-lg { padding: 120px 0; }

/* ---------- Top Navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline-dark);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
  gap: 32px;
}
.site-nav__brand {
  display: inline-flex;
  align-items: center;
  height: 76px;
}
.site-nav__brand img { height: 76px; width: auto; }
.site-nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.site-nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--on-dark-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}
.site-nav__link:hover { color: var(--on-dark); }
.site-nav__link[aria-current="page"] { color: var(--on-dark); }
.site-nav__cta {
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 22px;
  border-radius: 9999px;
  background: var(--brand-green);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--duration-fast) var(--ease-standard);
}
.site-nav__cta:hover { background: var(--brand-green-deep); color: var(--on-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: 9999px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
  height: 52px;
  padding: 0 28px;
}
.btn-accent { background: var(--brand-green); color: var(--ink); }
.btn-accent:hover { background: var(--brand-green-deep); color: var(--on-dark); }
.btn-outline-dark {
  background: transparent;
  color: var(--on-dark);
  border-color: rgba(255,255,255,0.22);
}
.btn-outline-dark:hover { border-color: var(--on-dark); }
.btn-ink { background: var(--ink); color: var(--on-dark); }
.btn-ink:hover { background: var(--charcoal); }
.btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }

/* ---------- Eyebrow / pill ---------- */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border: 1px solid rgba(0, 212, 164, 0.45);
  background: rgba(0, 212, 164, 0.08);
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--on-dark);
  box-shadow: 0 0 0 4px rgba(0, 212, 164, 0.06),
              inset 0 0 24px rgba(0, 212, 164, 0.10);
}
.eyebrow-pill__dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 9999px;
  background: var(--brand-green);
  color: var(--ink);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: -0.3px;
}

/* ---------- Section eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--on-dark-muted);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px; border-radius: 9999px;
  background: var(--brand-green);
  box-shadow: 0 0 12px var(--brand-green);
}

/* ---------- Headlines ---------- */
.display-xxl {
  font-size: clamp(48px, 7.2vw, 104px);
  line-height: 1.02;
  letter-spacing: -2.4px;
  font-weight: 600;
  margin: 0;
}
.display-xl {
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.05;
  letter-spacing: -1.8px;
  font-weight: 600;
  margin: 0;
}
.display-lg {
  font-size: clamp(32px, 3.8vw, 56px);
  line-height: 1.08;
  letter-spacing: -1.2px;
  font-weight: 600;
  margin: 0;
}
.display-md {
  font-size: clamp(28px, 2.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.6px;
  font-weight: 600;
  margin: 0;
}
.accent { color: var(--brand-green); }
.subhead {
  font-size: 18px;
  line-height: 1.55;
  color: var(--on-dark-muted);
  font-weight: 400;
  margin: 0;
  max-width: 640px;
}

/* ---------- Trust strip ---------- */
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px 8px 8px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.02);
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--on-dark);
}
.trust-pill__avatars {
  display: inline-flex;
}
.trust-pill__avatars img {
  width: 28px; height: 28px; border-radius: 9999px;
  border: 2px solid var(--canvas-dark);
  object-fit: cover;
}
.trust-pill__avatars img + img { margin-left: -10px; }
.trust-pill__flame { font-size: 14px; }

/* ---------- Logo wall ---------- */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  align-items: center;
}
.logo-wall__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  color: rgba(255,255,255,0.78);
  filter: grayscale(1) brightness(2.4);
  opacity: 0.85;
  transition: opacity var(--duration-base) var(--ease-standard);
}
.logo-wall__item:hover { opacity: 1; }
.logo-wall__item svg { height: 28px; width: auto; max-width: 180px; }

/* ---------- Stat row ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  border-top: 1px solid var(--hairline-dark);
  border-bottom: 1px solid var(--hairline-dark);
}
.stat-row__cell {
  padding: 28px 24px;
  border-right: 1px solid var(--hairline-dark);
}
.stat-row__cell:last-child { border-right: none; }
.stat-row__value {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -1.2px;
  color: var(--on-dark);
  margin: 0 0 4px;
  font-feature-settings: "tnum";
}
.stat-row__value .accent { color: var(--brand-green); }
.stat-row__label {
  font-size: 13px;
  color: var(--on-dark-muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0;
}

/* ---------- Generic card ---------- */
.card-dark {
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--hairline-dark);
  border-radius: 16px;
  padding: 32px;
  transition: border-color var(--duration-base) var(--ease-standard),
              background var(--duration-base) var(--ease-standard);
}
.card-dark:hover {
  border-color: rgba(0, 212, 164, 0.35);
}
.card-dark__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 212, 164, 0.10);
  border: 1px solid rgba(0, 212, 164, 0.35);
  color: var(--brand-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.card-dark__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.4px;
  margin: 0 0 10px;
  color: var(--on-dark);
}
.card-dark__body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--on-dark-muted);
  margin: 0;
}

/* ---------- Glow background helpers ---------- */
.hero-glow {
  position: absolute;
  inset: auto 0 -180px 0;
  height: 520px;
  background: radial-gradient(closest-side at 12% 50%, rgba(0,212,164,0.55), transparent 70%),
              radial-gradient(closest-side at 88% 50%, rgba(0,212,164,0.55), transparent 70%),
              radial-gradient(closest-side at 50% 100%, rgba(0,212,164,0.30), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}
.ambient-blob {
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 9999px;
  background: radial-gradient(closest-side, rgba(0,212,164,0.18), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline-dark);
  background: var(--canvas-dark);
  padding: 72px 0 40px;
  margin-top: 96px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.site-footer__brand img { height: 44px; margin-bottom: 18px; }
.site-footer__tag {
  font-size: 14px;
  color: var(--on-dark-muted);
  line-height: 1.55;
  max-width: 280px;
  margin: 0;
}
.site-footer__col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--on-dark);
  margin: 0 0 18px;
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer__col a {
  font-size: 14px;
  color: var(--on-dark-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}
.site-footer__col a:hover { color: var(--on-dark); }
.site-footer__legal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--hairline-dark);
  font-size: 13px;
  color: var(--on-dark-muted);
}
.site-footer__legal a { margin-left: 24px; }

/* ---------- Page hero (smaller, for inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 120px 0 80px;
  text-align: center;
  overflow: hidden;
}
.page-hero__eyebrow { margin-bottom: 24px; }
.page-hero__title {
  font-size: clamp(40px, 5.8vw, 80px);
  letter-spacing: -2px;
  line-height: 1.05;
  font-weight: 600;
  margin: 0 auto 24px;
  max-width: 900px;
}
.page-hero__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--on-dark-muted);
  margin: 0 auto;
  max-width: 640px;
}

/* ---------- Utility ---------- */
.center { text-align: center; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.stack-12 { display: flex; flex-direction: column; gap: 12px; }
.stack-16 { display: flex; flex-direction: column; gap: 16px; }
.stack-24 { display: flex; flex-direction: column; gap: 24px; }
.stack-32 { display: flex; flex-direction: column; gap: 32px; }
.row-12 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row-16 { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.row-24 { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.justify-center { justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .site-nav__links { display: none; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__legal { flex-direction: column; gap: 14px; align-items: flex-start; }
}