/* === FONTS === */
@font-face {
  font-family: 'Montserrat';
  src: url("../fonts/Montserrat[wght].woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Montserrat';
  src: url("../fonts/Montserrat-Italic[wght].woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* === VARIABLES === */
:root {
  --bg: #000000;
  --bg-2: #050505;
  --surface: rgba(10, 10, 10, 0.9);
  --surface-2: #111111;
  --accent: #c9a227;
  --accent-light: #f1c40f;
  --text: #f5f5f5;
  --text-muted: #a0a0a0;
  --border: rgba(201, 162, 39, 0.15);
  --radius: 1rem;
  --radius-sm: 0.5rem;
  --glow: 0 0 2.5rem rgba(201, 162, 39, 0.15);
  --max-w: 72rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === NAV === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.navbar.scrolled {
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(14px);
  border-color: var(--border);
}
.navbar.menu-open {
  backdrop-filter: none;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
}
.logo-img {
  height: 3.5rem;
  width: auto;
}
.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav-links a {
  color: var(--text-muted);
  transition: color .2s;
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.25rem;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-cta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.lang-switch a,
.lang-switch span {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.lang-switch a:hover,
.lang-switch a.active,
.lang-switch span.active { color: var(--accent); }
.mobile-lang { display: none; }
.nav-toggle { display: none; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-sm { padding: 0.6rem 1.25rem; }
.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: var(--glow);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 3rem rgba(201,162,39,0.35);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: rgba(201,162,39,0.08);
  box-shadow: 0 0 1.5rem rgba(201,162,39,0.1);
  transform: translateY(-2px);
}
.w-full { width: 100%; }

/* === TITLES === */
.eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}
.hero .eyebrow { text-shadow: 0 1px 4px rgba(0,0,0,0.55); }
.section-eyebrow { margin-bottom: 0.75rem; }
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 3rem;
  max-width: 40ch;
}
.gradient-text {
  background: linear-gradient(90deg, #fff 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-intro {
  color: var(--text-muted);
  max-width: 60ch;
  margin: -1.5rem auto 3rem;
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 7rem 0 5rem;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
  pointer-events: none;
}
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-content { position: relative; z-index: 2; }
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  background: linear-gradient(90deg, #fff 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text);
  max-width: 55ch;
  margin: 0 auto 2.5rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.55);
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--accent);
  z-index: 2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.55);
}
.scroll-line {
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* === SECTIONS === */
.section { padding: 7rem 0; }
.section:nth-child(odd) { background: var(--bg-2); }
#platform {
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 20%, transparent 80%, var(--bg) 100%), url('../assets/images/aibg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.roadmap-visual {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}
.ai-caption {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(201,162,39,0.4);
  box-shadow: 0 1.5rem 4rem rgba(0,0,0,0.5), var(--glow);
}
.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.card p { color: var(--text-muted); font-size: 0.95rem; }
.card-num {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

/* === STATS === */
.stats {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  margin-bottom: 4rem;
}
.stat { text-align: center; }
.stat-value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* === MILESTONES === */
.milestones {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.milestone {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 20rem;
}
.milestone-date {
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

/* === SCIENCE === */
.advisors {
  display: grid;
  gap: 2rem;
  margin-top: 4rem;
  grid-template-columns: repeat(2, 1fr);
  justify-items: center;
}

@media (min-width: 768px) {
  .advisors {
    grid-template-columns: repeat(3, 1fr);
  }
}
.advisor { text-align: center; }
.advisor-avatar {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  margin: 0 auto 1rem;
}
.advisor p { font-weight: 600; }
.advisor span { color: var(--text-muted); font-size: 0.85rem; }

/* === INVESTORS === */
.investor-grid { align-items: start; }
.investor-copy p { color: var(--text-muted); margin-bottom: 1.5rem; }
.business-model li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}
.business-model li::before {
  content: '—';
  position: absolute; left: 0; color: var(--accent);
}
.investor-form h3 { margin-bottom: 1.5rem; }
.investor-form label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.investor-form input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text);
  margin-bottom: 1.25rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.investor-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 1rem rgba(201,162,39,0.1);
}

/* === ROADMAP === */
.timeline {
  position: relative;
  max-width: 50rem;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item { position: relative; padding-left: 3.5rem; padding-bottom: 3rem; }
.timeline-dot {
  position: absolute;
  left: 0.75rem; top: 0.35rem;
  width: 1rem; height: 1rem;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 1rem var(--accent);
}
.timeline-content span { color: var(--accent); font-weight: 700; display: block; margin-bottom: 0.25rem; }
.timeline-content h3 { margin-bottom: 0.5rem; }
.timeline-content p { color: var(--text-muted); }

/* === CTA FINAL === */
.cta-final { text-align: center; }
.cta-box { max-width: 60rem; }
.cta-final h2 { font-size: clamp(1.75rem, 4vw, 3rem); margin-bottom: 2rem; }
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === FOOTER === */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-brand {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.footer-logo { display: inline-block; max-height: 4rem; width: auto; }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; }
.footer-address { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; line-height: 1.6; }
.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.footer-links a { color: var(--text-muted); font-size: 0.85rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }

/* === REVEAL === */
.reveal { opacity: 0; transform: translateY(2rem); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === ANIMATIONS === */
@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.6; }
  50% { transform: translateX(-50%) scale(1.08); opacity: 0.9; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
  }
  .nav-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: .3s;
  }
  .nav-links.open {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: rgba(0,0,0,0.97);
    font-size: 1.25rem;
    z-index: 99;
  }
  .nav-links.open .mobile-lang {
    display: flex;
    position: absolute;
    bottom: 2rem;
    left: 0;
    right: 0;
    justify-content: center;
    font-size: 0.9rem;
  }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: center; }
  .hero h1 { font-size: 2.5rem; }
  .section { padding: 5rem 0; }
}

/* === PARTNERS === */
.partners { text-align: center; }
.partner-slider {
  position: relative;
  margin-top: 4rem;
}
.partner-track-wrapper {
  overflow: hidden;
}
.partner-track {
  display: flex;
  will-change: transform;
}
.slider-arrow { display: none; }
.partner {
  flex: 0 0 calc(100% / 3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  transition: transform .2s, opacity .2s;
}
.partner:hover { transform: translateY(-4px); opacity: 0.9; }
.partner img {
  max-height: 3.5rem;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
.partner span { color: var(--text-muted); font-size: 0.85rem; }
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 2;
}
.slider-prev { left: 0; }
.slider-next { right: 0; }

.form-message { margin-top: 1rem; font-size: 0.95rem; }
.form-message--success { color: var(--accent); }
.form-message--error { color: #ef4444; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }