/* ============================================================
   Echoes Neuromarkers — Landing page
   Built on the design-system tokens (styles.css).
   Light-first, cool clinical, night plates for drama,
   spectrum reserved for accents.
   ============================================================ */

.lp { font-family: var(--font-sans); color: var(--text-body); background: var(--surface-page); }
.lp-mono { font-family: var(--font-mono); }
.lp-container { max-width: 1240px; margin: 0 auto; padding: 0 40px; }
.lp-eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--indigo-600);
}
.lp [data-lucide] { width: 20px; height: 20px; stroke-width: 1.75; }

/* ---------------- Top nav ---------------- */
.lp-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}
.lp-nav.scrolled {
  background: rgba(16,7,38,.82);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.lp-nav__inner { display: flex; align-items: center; gap: 32px; height: 72px; }
.lp-logo { display: inline-flex; align-items: center; flex: none; }
.lp-logo img { height: 38px; display: block; }
.lp-nav__tabs { display: flex; gap: 4px; margin: 0 auto; }
.lp-tab {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: rgba(255,255,255,.74);
  padding: 9px 14px; border-radius: var(--radius-sm); text-transform: capitalize;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.lp-tab:hover { background: rgba(255,255,255,.10); color: #fff; }
.lp-tab.is-active { color: #fff; background: rgba(255,255,255,.14); }
.lp-nav .lp-btn--ghost { color: rgba(255,255,255,.82); }
.lp-nav .lp-btn--ghost:hover { background: rgba(255,255,255,.10); color: #fff; }
.lp-nav__cta { display: flex; align-items: center; gap: 10px; flex: none; }
.lp-btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600; line-height: 1;
  padding: 11px 18px; border-radius: var(--radius-md); border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  text-decoration: none;
}
.lp-btn:active { transform: translateY(.5px); }
.lp-btn--primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-xs); }
.lp-btn--primary:hover { background: var(--primary-hover); text-decoration: none; }
.lp-btn--ghost { background: transparent; color: var(--slate-700); }
.lp-btn--ghost:hover { background: var(--cloud); color: var(--ink-900); text-decoration: none; }
.lp-btn--light { background: #fff; color: var(--night-800); }
.lp-btn--light:hover { background: rgba(255,255,255,.88); text-decoration: none; }
.lp-btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.32); }
.lp-btn--outline-light:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.lp-btn--lg { padding: 14px 24px; font-size: 15px; }

/* ---------------- Hero ---------------- */
.lp-hero { position: relative; overflow: hidden; background: var(--gradient-night); color: #fff; }
.lp-hero::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient-spectrum); z-index: 3; }
.lp-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('assets/brain-mri-grid.png');
  background-size: cover; background-position: center;
  opacity: .16; mix-blend-mode: screen; filter: saturate(1.1);
}
.lp-hero__veil { position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(120% 90% at 78% 18%, rgba(91,61,240,.30) 0%, rgba(16,7,38,0) 55%),
              linear-gradient(180deg, rgba(16,7,38,.30) 0%, rgba(16,7,38,.86) 88%); }
.lp-hero__inner { position: relative; z-index: 2; padding: 96px 0 104px; max-width: 920px; }
.lp-hero__eyebrow { color: var(--spec-cyan); }
.lp-hero h1 {
  font-size: clamp(44px, 6.4vw, 86px); line-height: .98; letter-spacing: -.035em;
  color: #fff; margin: 22px 0 0; text-wrap: balance;
}
.lp-hero h1 .lp-grad {
  background: var(--gradient-spectrum); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-hero__sub { font-size: clamp(17px, 2vw, 21px); line-height: 1.55; color: rgba(255,255,255,.74);
  margin: 28px 0 0; max-width: 40em; }
.lp-hero__name { font-size: 15px; color: rgba(255,255,255,.6); letter-spacing: .02em; margin-top: 6px; }
.lp-hero__name b { color: #fff; font-weight: 600; }
.lp-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 40px; }
.lp-hero__stats { display: flex; gap: 40px; margin-top: 56px; flex-wrap: wrap; }
.lp-hero__stat .v { font-family: var(--font-mono); font-size: 30px; font-weight: 600; color: #fff; letter-spacing: -.02em; }
.lp-hero__stat .l { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ---------------- Section scaffolding ---------------- */
.lp-section { padding: 100px 0; }
.lp-section--mist { background: var(--mist); }
.lp-sec-head { max-width: 720px; }
.lp-sec-head h2 { font-size: clamp(30px, 3.6vw, 44px); letter-spacing: -.025em; color: var(--ink-900); margin: 14px 0 0; }
.lp-sec-head p { font-size: 17px; line-height: 1.6; color: var(--slate-600); margin: 16px 0 0; }
.lp-ruo { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .04em;
  color: var(--indigo-700); background: var(--indigo-50); border: 1px solid var(--indigo-100);
  padding: 6px 12px; border-radius: var(--radius-pill); }
.lp-ruo .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--indigo-500); }

/* ---------------- Block 1 — services ---------------- */
.lp-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.lp-svc {
  background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 24px; box-shadow: var(--shadow-xs); position: relative; overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard), border-color var(--dur-base);
}
.lp-svc:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--line-strong); }
.lp-svc__ic { width: 46px; height: 46px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  background: var(--indigo-50); color: var(--indigo-600); }
.lp-svc__ic [data-lucide] { width: 23px; height: 23px; }
.lp-svc h3 { font-size: 18px; margin: 18px 0 8px; color: var(--ink-900); letter-spacing: -.01em; }
.lp-svc p { font-size: 14px; line-height: 1.55; color: var(--slate-600); margin: 0; }
.lp-svc__tag { position: absolute; top: 22px; right: 22px; font-family: var(--font-mono); font-size: 11px; color: var(--slate-300); }

/* control-band (move beyond retrospective) */
.lp-control { margin-top: 28px; background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm); display: grid; grid-template-columns: 1fr 1.25fr; }
.lp-control__aside { background: var(--gradient-night); color: #fff; padding: 44px 40px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.lp-control__aside::before { content:""; position:absolute; left:0; top:0; bottom:0; width:4px; background: var(--gradient-spectrum); }
.lp-control__aside h3 { font-size: 28px; line-height: 1.12; letter-spacing: -.02em; color: #fff; }
.lp-control__aside p { color: rgba(255,255,255,.66); font-size: 15px; line-height: 1.55; margin-top: 14px; }
.lp-control__list { padding: 36px 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; align-content: center; }
.lp-control__item { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; line-height: 1.4; color: var(--ink-800); }
.lp-control__item [data-lucide] { width: 18px; height: 18px; color: var(--spec-green); flex: none; margin-top: 1px; }

/* ---------------- Block 2 — data equity ---------------- */
.lp-equity { background: var(--gradient-night); color: #fff; position: relative; overflow: hidden; }
.lp-equity::before { content:""; position:absolute; inset:0; background: radial-gradient(90% 120% at 12% 0%, rgba(229,70,155,.22), transparent 50%); }
.lp-equity__grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.lp-equity__eyebrow { color: var(--spec-magenta); }
.lp-equity h2 { color: #fff; font-size: clamp(30px,3.6vw,44px); letter-spacing: -.025em; margin: 14px 0 0; }
.lp-equity p { color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.6; margin-top: 18px; }
.lp-equity__statement { font-size: clamp(28px, 3.4vw, 46px); font-weight: 600; line-height: 1.12; letter-spacing: -.025em; }
.lp-equity__statement span { display: block; }
.lp-equity__statement .a { color: #fff; }
.lp-equity__statement .b { color: var(--spec-cyan); }
.lp-equity__statement .c { background: var(--gradient-spectrum); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------------- Block 3 — trusted partners ---------------- */
.lp-partners { text-align: center; }
.lp-partners .lp-sec-head { margin: 0 auto; }
.lp-partners__caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.lp-cap { background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 22px; box-shadow: var(--shadow-xs); display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lp-cap__ic { width: 52px; height: 52px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  background: var(--night-800); color: #fff; }
.lp-cap__ic [data-lucide] { width: 24px; height: 24px; color: var(--spec-cyan); }
.lp-cap h4 { font-size: 15px; color: var(--ink-900); margin: 0; }
.lp-cap p { font-size: 13px; color: var(--slate-500); margin: 0; line-height: 1.5; }

/* ---------------- Block 4 — ethics / compliance ---------------- */
.lp-ethics__top { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.lp-ethics__pillars { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.lp-pillar { display: flex; gap: 14px; align-items: flex-start; background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 18px 20px; box-shadow: var(--shadow-xs); }
.lp-pillar__ic { width: 40px; height: 40px; border-radius: var(--radius-md); flex: none; display: flex; align-items: center; justify-content: center;
  background: var(--success-50); color: var(--success-600); }
.lp-pillar__ic [data-lucide] { width: 20px; height: 20px; }
.lp-pillar h4 { font-size: 15.5px; color: var(--ink-900); margin: 0 0 3px; }
.lp-pillar p { font-size: 13.5px; color: var(--slate-600); margin: 0; line-height: 1.5; }

.lp-compliance { margin-top: 56px; background: var(--surface-card); border: 1px solid var(--line);
  border-radius: var(--radius-xl); padding: 36px 40px; box-shadow: var(--shadow-sm); }
.lp-compliance__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.lp-compliance__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 22px; }
.lp-reg h5 { font-size: 13px; color: var(--ink-900); margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.lp-reg h5 .flag { font-size: 16px; }
.lp-reg ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lp-reg li { font-family: var(--font-mono); font-size: 12.5px; color: var(--slate-600); line-height: 1.4; display: flex; gap: 8px; }
.lp-reg li::before { content: "›"; color: var(--indigo-400); }
.lp-certs { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.lp-certs__lead { font-size: 14px; color: var(--slate-600); margin-right: 6px; }
.lp-cert { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-strong); border-radius: var(--radius-md);
  padding: 8px 14px; background: var(--mist); }
.lp-cert [data-lucide] { width: 16px; height: 16px; color: var(--success-600); }
.lp-cert b { font-family: var(--font-mono); font-size: 13px; color: var(--ink-900); font-weight: 600; }
.lp-cert span { font-size: 11px; color: var(--slate-500); }

/* ---------------- Block 5 — global reach (globe) ---------------- */
.lp-global { background: var(--gradient-night); color: #fff; position: relative; overflow: hidden; }
.lp-global::before { content:""; position:absolute; top:0; left:0; right:0; height: 1px; background: var(--gradient-spectrum); opacity: .8; }
.lp-global__grid { position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.lp-global__eyebrow { color: var(--spec-cyan); }
.lp-global h2 { color: #fff; font-size: clamp(30px,3.6vw,44px); letter-spacing: -.025em; margin: 14px 0 0; }
.lp-global p { color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.62; margin-top: 18px; max-width: 32em; }
.lp-global__hq { margin-top: 26px; display: inline-flex; align-items: center; gap: 12px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md); padding: 12px 16px; }
.lp-global__hq [data-lucide] { color: var(--spec-magenta); width: 20px; height: 20px; }
.lp-global__hq .t { font-size: 14px; color: #fff; font-weight: 600; }
.lp-global__hq .c { font-family: var(--font-mono); font-size: 11.5px; color: rgba(255,255,255,.6); }

.lp-map { position: relative; width: 100%; border-radius: var(--radius-xl); overflow: hidden;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.12); box-shadow: var(--shadow-lg); }
.lp-map svg { display: block; width: 100%; height: auto; overflow: visible; }
.lp-map__pin { animation: lp-ping 2.6s var(--ease-out) infinite; transform-origin: center; transform-box: fill-box; }
@keyframes lp-ping { 0% { opacity: .9; r: 4; } 70% { opacity: 0; r: 22; } 100% { opacity: 0; r: 22; } }
.lp-arc { stroke-dasharray: 5 7; animation: lp-dash 9s linear infinite; }
@keyframes lp-dash { to { stroke-dashoffset: -200; } }
.lp-node { animation: lp-node-pulse 3s ease-in-out infinite; }
@keyframes lp-node-pulse { 0%,100% { opacity: .5; } 50% { opacity: 1; } }

/* ---------------- Footer ---------------- */
.lp-footer { background: var(--night-900); color: #fff; padding: 72px 0 32px; }
.lp-footer__top { display: grid; grid-template-columns: 1.4fr 2fr; gap: 48px; padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.1); }
.lp-footer__brand .lp-logo { background: transparent; padding: 0; }
.lp-footer__brand p { color: rgba(255,255,255,.6); font-size: 13.5px; line-height: 1.6; margin: 18px 0 0; max-width: 30em; }
.lp-footer__cols { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.lp-footer__cols h5 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin: 0 0 14px; }
.lp-footer__cols a { display: block; color: rgba(255,255,255,.78); font-size: 14px; margin-bottom: 9px; text-decoration: none; }
.lp-footer__cols a:hover { color: #fff; }
.lp-footer__base { display: flex; align-items: center; justify-content: space-between; padding-top: 26px; flex-wrap: wrap; gap: 12px; }
.lp-footer__base, .lp-footer__base a { font-family: var(--font-mono); font-size: 11.5px; color: rgba(255,255,255,.5); text-decoration: none; }
.lp-footer__base a:hover { color: rgba(255,255,255,.85); }
.lp-footer__legal { display: flex; gap: 18px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1000px) {
  .lp-nav__tabs { display: none; }
  .lp-services, .lp-partners__caps, .lp-compliance__grid, .lp-footer__cols { grid-template-columns: 1fr 1fr; }
  .lp-control, .lp-equity__grid, .lp-ethics__top, .lp-global__grid, .lp-footer__top { grid-template-columns: 1fr; }
  .lp-control__list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .lp-container { padding: 0 22px; }
  .lp-services, .lp-partners__caps, .lp-compliance__grid, .lp-control__list, .lp-footer__cols { grid-template-columns: 1fr; }
  .lp-section { padding: 64px 0; }
  .lp-hero__inner { padding: 64px 0 72px; }
}