/* ===========================================================
   IBBI GROUP — shared design system
   Palette sampled directly from discourse.ibbi.dev
   =========================================================== */

:root {
  /* color */
  --void: #0a0b0d;
  --panel: #141519;
  --panel-raised: #1b1d24;
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.14);
  --signal: #5b8cff;
  --signal-dim: #33478f;
  --signal-glow: rgba(91, 140, 255, 0.35);
  --ink: #f4f5f7;
  --ink-dim: #9399a6;
  --ink-faint: #565b66;

  /* type */
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* layout */
  --max-width: 1120px;
  --radius: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--signal);
  color: var(--void);
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mono-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 26px;
  width: auto;
}

.brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 14px;
  color: var(--ink-dim);
  transition: color 0.15s ease;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--signal);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 22px;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--void);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 28px 20px;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
  }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: var(--void);
}

.btn-primary:hover {
  background: #7aa1ff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

/* ---------- hero ---------- */

.hero-stars {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.star-layer {
  position: absolute;
  inset: -10% -10%;
  background-repeat: repeat;
}

.star-layer-1 {
  background-image: 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  background-size: 420px 420px;
  opacity: 0.5;
  animation: drift-a 220s linear infinite, twinkle-a 5s ease-in-out infinite;
}

.star-layer-2 {
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22560%22%20height%3D%22560%22%20viewBox%3D%220%200%20560%20560%22%3E%3Ccircle%20cx%3D%22502.4%22%20cy%3D%22416.4%22%20r%3D%221.33%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.55%22/%3E%3Ccircle%20cx%3D%22357.1%22%20cy%3D%22428.9%22%20r%3D%221.37%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.7%22/%3E%3Ccircle%20cx%3D%2243.4%22%20cy%3D%22160.0%22%20r%3D%221.14%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.58%22/%3E%3Ccircle%20cx%3D%2277.5%22%20cy%3D%22129.5%22%20r%3D%221.52%22%20fill%3D%22%235b8cff%22%20fill-opacity%3D%220.73%22/%3E%3Ccircle%20cx%3D%22228.3%22%20cy%3D%22303.9%22%20r%3D%221.27%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.53%22/%3E%3Ccircle%20cx%3D%22506.7%22%20cy%3D%22327.1%22%20r%3D%221.53%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.79%22/%3E%3Ccircle%20cx%3D%22213.0%22%20cy%3D%223.3%22%20r%3D%221.22%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.75%22/%3E%3Ccircle%20cx%3D%22533.9%22%20cy%3D%22234.7%22%20r%3D%221.57%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.67%22/%3E%3Ccircle%20cx%3D%22123.5%22%20cy%3D%22122.9%22%20r%3D%221.29%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.46%22/%3E%3Ccircle%20cx%3D%22380.3%22%20cy%3D%22226.4%22%20r%3D%221.05%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.64%22/%3E%3Ccircle%20cx%3D%22348.5%22%20cy%3D%2215.1%22%20r%3D%221.25%22%20fill%3D%22%235b8cff%22%20fill-opacity%3D%220.68%22/%3E%3Ccircle%20cx%3D%22359.9%22%20cy%3D%2276.0%22%20r%3D%221.32%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.47%22/%3E%3Ccircle%20cx%3D%22118.5%22%20cy%3D%22183.0%22%20r%3D%221.59%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.6%22/%3E%3Ccircle%20cx%3D%22465.9%22%20cy%3D%22141.3%22%20r%3D%220.97%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.46%22/%3E%3Ccircle%20cx%3D%22559.9%22%20cy%3D%22196.0%22%20r%3D%221.49%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.76%22/%3E%3Ccircle%20cx%3D%22422.4%22%20cy%3D%22531.8%22%20r%3D%221.08%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.46%22/%3E%3Ccircle%20cx%3D%2270.7%22%20cy%3D%22374.9%22%20r%3D%221.41%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.54%22/%3E%3Ccircle%20cx%3D%22429.5%22%20cy%3D%2294.0%22%20r%3D%221.45%22%20fill%3D%22%235b8cff%22%20fill-opacity%3D%220.75%22/%3E%3Ccircle%20cx%3D%22458.8%22%20cy%3D%22540.2%22%20r%3D%221.0%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.46%22/%3E%3Ccircle%20cx%3D%22379.3%22%20cy%3D%22536.6%22%20r%3D%221.26%22%20fill%3D%22%235b8cff%22%20fill-opacity%3D%220.74%22/%3E%3Ccircle%20cx%3D%22386.7%22%20cy%3D%22351.3%22%20r%3D%220.99%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.76%22/%3E%3Ccircle%20cx%3D%22336.2%22%20cy%3D%2267.8%22%20r%3D%221.79%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.76%22/%3E%3Ccircle%20cx%3D%22239.9%22%20cy%3D%22207.5%22%20r%3D%221.36%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.59%22/%3E%3Ccircle%20cx%3D%22460.5%22%20cy%3D%2259.1%22%20r%3D%221.76%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.7%22/%3E%3Ccircle%20cx%3D%22396.1%22%20cy%3D%22243.9%22%20r%3D%221.56%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.84%22/%3E%3Ccircle%20cx%3D%22452.6%22%20cy%3D%22301.4%22%20r%3D%221.34%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.62%22/%3E%3Ccircle%20cx%3D%22150.3%22%20cy%3D%22477.0%22%20r%3D%221.65%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.48%22/%3E%3Ccircle%20cx%3D%22136.6%22%20cy%3D%22260.2%22%20r%3D%221.45%22%20fill%3D%22%235b8cff%22%20fill-opacity%3D%220.6%22/%3E%3Ccircle%20cx%3D%22476.5%22%20cy%3D%22101.8%22%20r%3D%221.09%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.77%22/%3E%3Ccircle%20cx%3D%22493.0%22%20cy%3D%22392.7%22%20r%3D%221.15%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.45%22/%3E%3Ccircle%20cx%3D%2247.9%22%20cy%3D%22403.2%22%20r%3D%221.34%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.75%22/%3E%3Ccircle%20cx%3D%22361.7%22%20cy%3D%22274.9%22%20r%3D%221.61%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.49%22/%3E%3Ccircle%20cx%3D%22387.4%22%20cy%3D%22171.5%22%20r%3D%221.42%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.64%22/%3E%3Ccircle%20cx%3D%22238.3%22%20cy%3D%22417.7%22%20r%3D%221.2%22%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.73%22/%3E%3C/svg%3E");
  background-size: 560px 560px;
  opacity: 0.4;
  animation: drift-b 280s linear infinite, twinkle-b 7s ease-in-out infinite alternate;
}

@keyframes drift-a {
  from { background-position: 0 0; }
  to { background-position: 420px 420px; }
}

@keyframes drift-b {
  from { background-position: 0 0; }
  to { background-position: -560px 280px; }
}

@keyframes twinkle-a {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.6; }
}

@keyframes twinkle-b {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.55; }
}

.shooting-star {
  position: absolute;
  top: 18%;
  left: -5%;
  width: 140px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  transform: rotate(18deg);
  opacity: 0;
  animation: shoot 11s ease-in infinite;
  animation-delay: 3s;
}

.shooting-star.delay-2 {
  top: 38%;
  left: -8%;
  width: 100px;
  animation-delay: 8.5s;
  animation-duration: 14s;
}

@keyframes shoot {
  0% { opacity: 0; transform: translate(0, 0) rotate(18deg); }
  2% { opacity: 1; }
  9% { opacity: 0; transform: translate(380px, 145px) rotate(18deg); }
  100% { opacity: 0; transform: translate(380px, 145px) rotate(18deg); }
}

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

.constellation line {
  stroke: var(--signal);
  stroke-width: 1;
  opacity: 0.16;
}

.constellation circle {
  fill: var(--signal);
  opacity: 0.55;
  animation: node-pulse 6s ease-in-out infinite;
}

.constellation circle:nth-of-type(3n) {
  animation-delay: -2s;
}

.constellation circle:nth-of-type(4n) {
  animation-delay: -4s;
  animation-duration: 7.5s;
}

@keyframes node-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.75; }
}



.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(calc(-50% + var(--mx, 0px))) translateY(var(--my, 0px));
  transition: transform 0.7s ease-out;
  width: 900px;
  height: 600px;
  background: radial-gradient(closest-side, var(--signal-glow), transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero .mono-tag {
  margin-bottom: 28px;
}

.hero-in {
  opacity: 0;
  transform: translateY(14px);
  animation: hero-in-up 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-in-1 { animation-delay: 0.05s; }
.hero-in-2 { animation-delay: 0.18s; }
.hero-in-3 { animation-delay: 0.32s; }
.hero-in-4 { animation-delay: 0.46s; }

@keyframes hero-in-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-in {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.page-header .mono-tag {
  margin-bottom: 24px;
}

h1.display {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 780px;
}

.hero p.lead {
  font-size: 18px;
  color: var(--ink-dim);
  max-width: 560px;
  margin: 0 0 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- page header (about/careers/contact) ---------- */

.page-header {
  padding: 90px 0 60px;
  border-bottom: 1px solid var(--hairline);
}

.page-header h1.display {
  font-size: clamp(34px, 5vw, 52px);
  margin-bottom: 16px;
}

.page-header p.lead {
  font-size: 17px;
  color: var(--ink-dim);
  max-width: 620px;
  margin: 0;
}

/* ---------- sections ---------- */

section {
  padding: 90px 0;
}

section.tight {
  padding: 70px 0;
}

.section-head {
  margin-bottom: 48px;
  max-width: 620px;
}

.section-head .mono-tag {
  margin-bottom: 16px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 36px);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--ink-dim);
  margin: 0;
  font-size: 16px;
}

/* ---------- grid / cards ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.card:hover {
  border-color: var(--hairline-strong);
  background: var(--panel-raised);
}

.card .mono-tag {
  margin-bottom: 16px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 10px;
}

.card p {
  color: var(--ink-dim);
  font-size: 14.5px;
  margin: 0;
}

/* ---------- manifesto ---------- */

.manifesto-section {
  border-top: 1px solid var(--hairline);
}

.manifesto {
  max-width: 780px;
  margin: 0 auto;
  padding-left: 28px;
  border-left: 2px solid var(--signal);
}

.manifesto p {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.005em;
}

.brand-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.6em;
  color: var(--signal);
  letter-spacing: 0.03em;
  margin-right: 3px;
  white-space: nowrap;
}

.mword {
  opacity: 1;
  transition: opacity 0.15s linear;
}

@media (prefers-reduced-motion: reduce) {
  .mword {
    opacity: 1 !important;
    transition: none;
  }
}

@media (max-width: 720px) {
  .manifesto {
    padding-left: 20px;
  }
}

/* ---------- CTA band ---------- */

.cta-band {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--panel);
}

.cta-band .wrap {
  padding: 70px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.cta-band p {
  color: var(--ink-dim);
  margin: 0;
  font-size: 15px;
}

/* ---------- footer ---------- */

footer {
  padding: 56px 0 40px;
}

footer .wrap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  height: 22px;
}

.footer-brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13.5px;
  color: var(--ink-dim);
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--signal);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  margin-top: 24px;
}

/* ---------- misc content blocks ---------- */

.prose {
  max-width: 680px;
}

.prose p {
  color: var(--ink-dim);
  font-size: 16px;
  margin: 0 0 20px;
}

.prose p:last-child {
  margin-bottom: 0;
}

.founder-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 30px;
  margin-top: 40px;
}

.founder-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 4px;
}

.founder-card .role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  margin-bottom: 14px;
  display: block;
}

.founder-card p {
  color: var(--ink-dim);
  font-size: 14.5px;
  margin: 0;
}

.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 30px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 16px;
}

.contact-row .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  display: block;
}

.contact-row .value {
  font-size: 17px;
  font-weight: 500;
}

.contact-row a.value:hover {
  color: var(--signal);
}

/* ---------- scrollbar ---------- */

html {
  scrollbar-color: var(--signal-dim) var(--void);
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}

::-webkit-scrollbar-track {
  background: var(--void);
}

::-webkit-scrollbar-thumb {
  background-color: var(--signal-dim);
  border-radius: 6px;
  border: 2px solid var(--void);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--signal);
}

/* ---------- 404 page ---------- */

.error-hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  border-bottom: none;
  padding: 80px 0;
}

.error-wrap {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.error-wrap .mono-tag {
  margin-bottom: 24px;
}

.error-code {
  font-size: clamp(96px, 16vw, 200px);
  line-height: 1;
  margin: 0 0 20px;
  color: var(--ink);
  text-shadow: 0 0 60px var(--signal-glow);
}

.error-wrap .lead {
  max-width: 480px;
  margin: 0 auto 40px;
}

.error-wrap .hero-actions {
  justify-content: center;
}