/* =====================================================
   landing.css — marketing landing page styles
   Adapted from Iveni Design System/Landing.html.
   All selectors scoped under .inveni-landing so nothing leaks into the app.
   ===================================================== */

.inveni-landing {
  --hero-pad-top: 130px;   /* push the logo lower in the hero */
  /* Reduced from 238 → 150 so "Discover research that matters" sits higher
     in the viewport. The scroll-hint is pinned to the bottom of the hero
     via margin-top:auto, so the gap between motto and hint grows on its
     own to absorb the change. */
  --motto-gap: 150px;
  position: relative;
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  color: var(--fg-1);
  font-family: var(--font-sans);
}

.inveni-landing a {
  color: inherit;
  text-decoration: none;
}

.inveni-landing .page {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ---------------- NAV ---------------- */
.inveni-landing nav.landing-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 24px 0;
}
.inveni-landing nav.landing-nav .brand img {
  height: 38px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 12px rgba(255, 220, 170, 0.25));
}
.inveni-landing nav.landing-nav .links {
  justify-self: center;
  display: flex;
  gap: 32px;
}
.inveni-landing nav.landing-nav .links a {
  font-size: 13px;
  color: var(--fg-2);
  transition: color var(--dur-1) var(--ease-out);
}
.inveni-landing nav.landing-nav .links a:hover { color: var(--fg-1); }
.inveni-landing nav.landing-nav .actions {
  justify-self: end;
  display: flex;
  gap: 10px;
}
.inveni-landing .lbtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-soft);
  cursor: pointer;
  line-height: 1;
  background: rgba(255, 255, 255, 0.02);
  color: var(--fg-1);
  transition: all var(--dur-1) var(--ease-out);
}
.inveni-landing .lbtn:hover {
  border-color: var(--fg-2);
  background: rgba(255, 255, 255, 0.06);
}
.inveni-landing .lbtn--primary {
  background: var(--fg-1);
  color: #0A0A12;
  border-color: var(--fg-1);
}
.inveni-landing .lbtn--primary:hover {
  background: #fff;
  box-shadow: 0 0 32px rgba(255, 235, 200, 0.4);
}

/* ---------------- HERO ---------------- */
.inveni-landing .hero {
  position: relative;
  min-height: calc(100vh - 84px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  /* Reduced bottom-pad from 80 → 24 so the scroll-hint (pinned via margin-top:auto)
     lands right at the viewport bottom, fully visible, with a small breathing space. */
  padding: var(--hero-pad-top, 16px) 0 24px;
}

.inveni-landing .galaxy {
  position: relative;
  width: min(720px, 86vw);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.inveni-landing .galaxy .mark-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.inveni-landing .galaxy .core-glow {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 50%);
  width: 520px;
  height: 520px;
  pointer-events: none;
  background: radial-gradient(circle,
      rgba(255, 230, 180, 0.76) 0%,
      rgba(255, 200, 120, 0.44) 6%,
      rgba(255, 180, 100, 0.24) 12%,
      rgba(180, 140, 220, 0.14) 24%,
      rgba(120, 130, 220, 0.06) 38%,
      transparent 60%);
  filter: blur(2px);
  animation: inv-pulse 6s var(--ease-in-out) infinite;
}
@keyframes inv-pulse {
  0%, 100% { opacity: 0.9; transform: translate(-50%, 50%) scale(1); }
  50%      { opacity: 1;   transform: translate(-50%, 50%) scale(1.06); }
}
.inveni-landing .galaxy .mark {
  position: relative;
  z-index: 2;
  width: clamp(288px, 38.4vw, 432px);
  height: auto;
  filter: drop-shadow(0 0 28px rgba(255, 220, 170, 0.35));
}
.inveni-landing .galaxy .wordmark {
  position: relative;
  z-index: 2;
  margin-top: clamp(-50px, -4vw, -16px);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(96px, 13vw, 168px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  text-shadow: 0 0 60px rgba(255, 220, 170, 0.25);
}
.inveni-landing .hero .lede {
  position: relative;
  z-index: 2;
  margin: var(--motto-gap, 160px) auto 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.62;
  color: var(--fg-2);
  text-wrap: pretty;
}
.inveni-landing .hero .lede.closer-style {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: var(--motto-gap, 160px) auto 0;
  text-align: center;
  white-space: nowrap;
}
.inveni-landing .hero .lede.closer-style em { font-style: italic; }

.inveni-landing .hero .cta-row {
  position: relative;
  z-index: 2;
  margin-top: 60px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.inveni-landing .hero .scroll-hint {
  position: relative;
  z-index: 2;
  /* Pin the hint to the bottom of the hero flex column. The hero itself is
     min-height: calc(100vh - 84px), so this lands the hint at the visible
     viewport bottom on initial load — which in turn keeps "Discover research
     that matters" higher up, fully above the hint, and the funnel section
     fully below the fold. */
  margin-top: auto;
  padding-top: 28px;
  font-family: var(--font-sans);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--t-eyebrow-tracking);
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.inveni-landing .hero .scroll-hint::after {
  content: "";
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--fg-3), transparent);
  animation: inv-hint 1.8s var(--ease-in-out) infinite;
}
@keyframes inv-hint {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 1; }
}

/* ---------------- SECTIONS ---------------- */
.inveni-landing section {
  position: relative;
  padding: 70px 0;
}

.inveni-landing .l-eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--t-eyebrow-tracking);
  color: var(--fg-3);
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.inveni-landing .l-eyebrow .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-violet);
  box-shadow: 0 0 10px var(--signal-violet);
  flex-shrink: 0;
}

.inveni-landing .pull {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.10;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  text-wrap: balance;
  margin: 0;
  max-width: 22ch;
}
.inveni-landing .pull em { font-style: italic; }
.inveni-landing .pull .accent { color: var(--signal-amber); font-style: italic; }
.inveni-landing .pull.center { margin-left: auto; margin-right: auto; }

.inveni-landing .body-l {
  font-size: 17px;
  line-height: 1.62;
  color: var(--fg-2);
  max-width: 60ch;
  margin-top: 24px;
  text-wrap: pretty;
}

.inveni-landing .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.inveni-landing .grid-2.right-aligned > * { grid-column: 2; }

.inveni-landing .center { text-align: center; margin-left: auto; margin-right: auto; }

.inveni-landing .stat-row {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.inveni-landing .stat .num {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.inveni-landing .stat .lbl {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--t-eyebrow-tracking);
  color: var(--fg-3);
  margin-top: 12px;
}

/* Section: diagram (frontier × specialised) */
.inveni-landing .diagram {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin-left: auto;
  border: 1px solid var(--border-hair);
  border-radius: var(--r-xl);
  background:
    radial-gradient(circle at 50% 65%, rgba(167, 139, 250, 0.18), transparent 55%),
    radial-gradient(circle at 30% 30%, rgba(111, 168, 255, 0.10), transparent 55%),
    rgba(10, 12, 22, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}
.inveni-landing .diagram .node {
  position: absolute;
  padding: 10px 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-1);
  background: rgba(7, 9, 26, 0.55);
  backdrop-filter: blur(4px);
}
.inveni-landing .diagram .frontier { top: 16%; left: 10%; }
.inveni-landing .diagram .spec     { top: 16%; right: 10%; }
.inveni-landing .diagram .merge {
  bottom: 16%;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.40), rgba(111, 168, 255, 0.40));
  border-color: rgba(255, 255, 255, 0.20);
}
.inveni-landing .diagram svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.inveni-landing .diagram .pulse {
  position: absolute;
  left: 50%;
  bottom: 14%;
  width: 8px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--signal-violet);
  box-shadow: 0 0 24px var(--signal-violet);
  animation: inv-pulse-dot 2.4s var(--ease-in-out) infinite;
}
@keyframes inv-pulse-dot {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1;   transform: translateX(-50%) scale(1.4); }
}

/* Universities marquee */
.inveni-landing .uni-wheel {
  margin-top: 56px;
  width: 100%;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.inveni-landing .uni-wheel-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 120px;
  animation: inv-uni-scroll 40s linear infinite;
}
.inveni-landing .uni-wheel:hover .uni-wheel-track { animation-play-state: paused; }
@keyframes inv-uni-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
.inveni-landing .uni-card {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 32px;
  height: 110px;
}
.inveni-landing .uni-card img {
  height: 80px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 12px rgba(245, 241, 232, 0.10));
}

/* End CTA */
.inveni-landing .end-cta {
  margin-top: 80px;
  padding: 64px 0 96px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.inveni-landing .end-cta .start-btn {
  display: inline-block;
  padding: 18px 44px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0e;
  background: var(--fg-1);
  border-radius: 999px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: transform var(--dur-1) var(--ease-out),
              box-shadow var(--dur-1) var(--ease-out);
  box-shadow: 0 0 0 1px rgba(245, 241, 232, 0.2),
              0 8px 32px rgba(245, 241, 232, 0.08);
}
.inveni-landing .end-cta .start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(245, 241, 232, 0.3),
              0 14px 44px rgba(245, 241, 232, 0.18);
}

/* Footer */
.inveni-landing footer.landing-foot {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-hair);
  padding: 56px 0 40px;
  margin-top: 32px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.inveni-landing .foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;  /* brand cell roomier than link cols */
  gap: 48px;
  align-items: start;
}
.inveni-landing .foot-grid .brand-cell {
  text-align: center;             /* centre the lockup + caption text */
  display: flex;
  flex-direction: column;
  align-items: center;
}
.inveni-landing .foot-grid .brand-cell .foot-lockup {
  display: inline-flex;
  flex-direction: row;            /* mark + wordmark on one line */
  align-items: center;
  justify-content: center;
  gap: 0;
  transform: translateX(-32px);   /* nudge the whole lockup further to the left */
}
.inveni-landing .foot-grid .brand-cell .foot-lockup img {
  height: 36px;                   /* match wordmark line-height */
  width: auto;
  display: block;
  margin-right: -14px;            /* mark visually touches the wordmark (50% tighter than before) */
}
.inveni-landing .foot-grid .brand-cell .word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.inveni-landing .foot-grid .brand-cell p {
  margin-left: auto;
  margin-right: auto;             /* keep caption centred under lockup */
}
.inveni-landing .foot-grid .brand-cell p {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-3);
  max-width: 32ch;
}
.inveni-landing .foot-col h6 {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--t-eyebrow-tracking);
  color: var(--fg-3);
  margin: 6px 0 18px;
}
.inveni-landing .foot-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.inveni-landing .foot-col a {
  font-size: 14px;
  color: var(--fg-2);
  transition: color var(--dur-1) var(--ease-out);
}
.inveni-landing .foot-col a:hover { color: var(--fg-1); }
.inveni-landing .foot-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-hair);
  font-size: 12px;
  color: var(--fg-3);
}

/* Mobile / desktop-emulation-on-phone (≤1023 catches Samsung Internet's
   "Request desktop site" mode which reports viewport=980 even on a phone).
   True landscape tablets (1024+) keep the desktop layout. */
@media (max-width: 1023px) {
  .inveni-landing .page { padding: 0 20px; }
  .inveni-landing .grid-2 { grid-template-columns: 1fr; gap: 36px; }
  .inveni-landing .grid-2.right-aligned { grid-template-columns: 1fr; }
  .inveni-landing .grid-2.right-aligned > * { grid-column: 1; }
  /* Anchor links are desktop-only; auth CTAs (.actions) stay visible
     so visitors can sign in / sign up without scrolling. */
  .inveni-landing nav.landing-nav .links { display: none; }
  .inveni-landing nav.landing-nav { grid-template-columns: auto 1fr; }
  .inveni-landing nav.landing-nav .actions { justify-self: end; gap: 8px; }
  .inveni-landing .lbtn { padding: 8px 14px; font-size: 12.5px; }
  /* Tame the hero so it doesn't claim a full desktop-emulation viewport. */
  .inveni-landing .hero { min-height: auto; padding-top: 96px; padding-bottom: 64px; }
  .inveni-landing .stat-row { gap: 18px; margin-top: 44px; flex-wrap: nowrap; justify-content: space-between; }
  .inveni-landing .stat .num { font-size: 30px; }
  .inveni-landing .stat .lbl { font-size: 10.5px; line-height: 1.3; }
  /* Scale down the marquee so its max-content track stays close to viewport. */
  .inveni-landing .uni-wheel-track { gap: 72px; }
  .inveni-landing .uni-card { padding: 14px 24px; height: 88px; }
  .inveni-landing .uni-card img { height: 60px; }
  .inveni-landing .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .inveni-landing .hero .lede.closer-style { white-space: normal; font-size: clamp(22px, 6vw, 32px); }
}

/* Hide the legacy version-badge that lived in old view-landing */
.inveni-landing .version-badge { display: none; }