/* ============================================================
   Invisally — futuristic venture studio
   ============================================================ */

:root {
  --bg: #06070d;
  --bg-soft: #0b0d18;
  --panel: rgba(20, 23, 38, 0.55);
  --panel-brd: rgba(255, 255, 255, 0.08);
  --text: #eef0f8;
  --muted: #9aa0bd;
  --faint: #6b7290;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --pink: #ec4899;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.grad {
  background: linear-gradient(110deg, var(--cyan), var(--violet) 45%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Animated background ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 70% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(1000px 700px at 10% 110%, rgba(236, 72, 153, 0.12), transparent 60%),
    var(--bg);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  mix-blend-mode: screen;
  will-change: transform;
}
.blob--1 {
  width: 46vw; height: 46vw;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.65), transparent 65%);
  top: -8vw; left: -6vw;
  animation: drift1 22s var(--ease) infinite alternate;
}
.blob--2 {
  width: 40vw; height: 40vw;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.6), transparent 65%);
  top: 20vh; right: -10vw;
  animation: drift2 26s var(--ease) infinite alternate;
}
.blob--3 {
  width: 38vw; height: 38vw;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.45), transparent 65%);
  bottom: -12vw; left: 30vw;
  animation: drift3 30s var(--ease) infinite alternate;
}

@keyframes drift1 { to { transform: translate(8vw, 10vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-10vw, 6vh) scale(1.1); } }
@keyframes drift3 { to { transform: translate(6vw, -8vh) scale(1.2); } }

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black, transparent 80%);
}

#constellation { position: absolute; inset: 0; width: 100%; height: 100%; }

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 7, 13, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--panel-brd);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { display: grid; place-items: center; }
.brand__word {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  letter-spacing: 0.28em;
  font-size: 15px;
}

.nav__links { display: flex; align-items: center; gap: clamp(16px, 3vw, 34px); }
.nav__links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--text); }
.nav__cta {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--panel-brd);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text) !important;
}
.nav__cta:hover {
  border-color: rgba(167, 139, 250, 0.6);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.25);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  border: 1px solid transparent;
}
.btn--primary {
  background: linear-gradient(110deg, var(--cyan), var(--violet) 55%, var(--pink));
  color: #07070d;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(167, 139, 250, 0.5); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--panel-brd);
  color: var(--text);
}
.btn--ghost:hover { border-color: rgba(255, 255, 255, 0.25); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px clamp(20px, 5vw, 40px) 80px;
  position: relative;
}
.hero__inner { max-width: 880px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 16px;
  border: 1px solid var(--panel-brd);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 28px;
}
.eyebrow__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:.4;transform:scale(.7);} }

.hero__title {
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 800;
  margin-bottom: 26px;
}
.hero__sub {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 38px;
}
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.scroll-cue {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid var(--panel-brd);
  border-radius: 999px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 4px; height: 8px; border-radius: 999px;
  background: var(--violet);
  animation: scrolldot 1.8s var(--ease) infinite;
}
@keyframes scrolldot { 0%{opacity:0;transform:translateY(0);} 30%{opacity:1;} 100%{opacity:0;transform:translateY(14px);} }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--panel-brd);
  border-bottom: 1px solid var(--panel-brd);
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.012);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 30px;
  white-space: nowrap;
  animation: scrollx 32s linear infinite;
}
.marquee__track span {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.marquee__track .dot { color: var(--violet); }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(70px, 11vw, 130px) clamp(20px, 5vw, 40px);
}
.section__head { max-width: 680px; margin-bottom: 56px; }
.section__label {
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.section__title { font-size: clamp(1.9rem, 4.5vw, 3.1rem); margin-bottom: 18px; }
.section__lead { color: var(--muted); font-size: 1.08rem; max-width: 540px; }

/* ---------- Ventures grid ---------- */
.ventures {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  padding: 30px 28px 26px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--panel-brd);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
  outline: none;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0; height: 3px; width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
  box-shadow: 0 0 18px var(--accent);
}
.card:hover, .card:focus-visible {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.card:hover::before, .card:focus-visible::before { opacity: 1; }
.card:hover::after, .card:focus-visible::after { transform: scaleX(1); }

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.card__index {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--faint);
  color: #6b7290;
}
.tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  white-space: nowrap;
}
.card__name {
  font-size: 1.9rem;
  margin-bottom: 6px;
}
.card__tagline {
  font-family: "Sora", sans-serif;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 14px;
  font-size: 1.02rem;
}
.card__desc { color: var(--muted); font-size: 0.97rem; margin-bottom: 26px; }
.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--panel-brd);
}
.field {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}
.arrow {
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.35s var(--ease);
}
.card:hover .arrow, .card:focus-visible .arrow { transform: translate(4px, -4px); }

/* ---------- Thesis ---------- */
.section--thesis { position: relative; }
.thesis {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}
.thesis__body {
  color: var(--muted);
  font-size: 1.1rem;
  margin-top: 22px;
  max-width: 540px;
}
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--panel-brd);
  border: 1px solid var(--panel-brd);
  border-radius: 18px;
  overflow: hidden;
}
.stat {
  background: var(--bg-soft);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat__num {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3rem);
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- Contact ---------- */
.section--contact { text-align: center; }
.contact { max-width: 640px; margin: 0 auto; }
.contact .section__lead { margin: 0 auto 34px; }
.signup {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.signup__input {
  flex: 1;
  min-width: 220px;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid var(--panel-brd);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.signup__input::placeholder { color: #5a6080; }
.signup__input:focus {
  outline: none;
  border-color: rgba(167, 139, 250, 0.6);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.2);
}
.signup__note {
  margin-top: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--cyan);
}
.signup__privacy {
  margin-top: 14px;
  font-size: 0.8rem;
  color: #5a6080;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--panel-brd);
  padding: 48px clamp(20px, 5vw, 56px);
  background: rgba(6, 7, 13, 0.5);
  backdrop-filter: blur(10px);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
}
.footer__brand .brand__word { font-size: 16px; }
.footer__brand p { color: var(--muted); font-size: 0.9rem; margin-top: 10px; max-width: 320px; }
.footer__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer__fine { color: #5a6080; font-size: 0.8rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .thesis { grid-template-columns: 1fr; }
  .nav__links a:not(.nav__cta) { display: none; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Featured statement ---------- */
.statement {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(60px, 11vw, 130px) clamp(20px, 5vw, 40px);
  text-align: center;
}
.statement__text {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 5.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: #cdd2e6;
}
.hl {
  position: relative;
  color: #ffffff;
  white-space: nowrap;
  z-index: 0;
}
.hl::after {
  content: "";
  position: absolute;
  left: -0.1em;
  right: -0.1em;
  bottom: 0.06em;
  height: 0.46em;
  z-index: -1;
  background: linear-gradient(110deg, rgba(34, 211, 238, 0.4), rgba(167, 139, 250, 0.55) 50%, rgba(236, 72, 153, 0.4));
  border-radius: 0.18em;
  transform: skewX(-5deg);
  box-shadow: 0 0 26px rgba(167, 139, 250, 0.35);
}

/* ---------- Cards as links ---------- */
.card { display: block; color: inherit; }