:root {
  --dark:    #0a0c12;
  --card:    #13161f;
  --card2:   #1a1d27;
  --border:  #252836;
  --accent:  #4f6ef7;
  --accent2: #7c8cf8;
  --text:    #e8eaf0;
  --muted:   #7b7f95;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius:  12px;
  --font:    'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ── */
.container        { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 680px;  margin: 0 auto; padding: 0 24px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 22px; border-radius: 8px; font-size: 14px;
  font-weight: 600; cursor: pointer; border: none;
  text-decoration: none; transition: all .2s; white-space: nowrap;
  font-family: var(--font);
}
.btn-sm  { padding: 7px 16px; font-size: 13px; }
.btn-lg  { padding: 14px 28px; font-size: 15px; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79,110,247,.3);
}
.btn-primary:hover {
  background: #3d5ce0;
  box-shadow: 0 4px 28px rgba(79,110,247,.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); }

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 12, 18, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 18px; font-weight: 800;
  color: var(--accent); letter-spacing: -0.5px;
}
.nav-logo-by { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 4px; }

/* ── HERO ── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(79,110,247,.18) 0%, transparent 70%);
}
.hero-inner { max-width: 780px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  background: rgba(79,110,247,.08);
  border: 1px solid rgba(79,110,247,.2);
  color: var(--accent2);
  border-radius: 4px;
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: var(--text);
}
.hero-accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 12px;
  color: var(--muted);
}

/* ── SECTION LABELS ── */
.section-label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--accent); margin-bottom: 12px;
  text-align: center;
}
.section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800; letter-spacing: -1px;
  text-align: center; margin-bottom: 12px;
  color: var(--text);
}
.section-sub {
  text-align: center; color: var(--muted);
  font-size: 15px; max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ── VIDEO ── */
.video-section { padding: 80px 0; }

.video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  max-width: 860px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}
.video-wrap iframe,
.video-wrap video {
  width: 100%; height: 100%;
  border: none; display: block;
}
.video-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
  background: linear-gradient(135deg, #13161f 0%, #0f1220 100%);
}
.play-btn {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(79,110,247,.5);
  transition: all .2s;
}
.play-btn:hover { transform: scale(1.08); box-shadow: 0 12px 40px rgba(79,110,247,.6); }
.play-btn svg   { margin-left: 4px; }

.video-label    { font-size: 16px; font-weight: 600; color: var(--text); }
.video-sublabel { font-size: 13px; color: var(--muted); }

/* ── FEATURES ── */
.features { padding: 80px 0; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover {
  border-color: rgba(79,110,247,.4);
  transform: translateY(-2px);
}
.feature-icon {
  width: 40px; height: 40px;
  background: rgba(79,110,247,.1);
  border: 1px solid rgba(79,110,247,.2);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
  flex-shrink: 0;
}
.feature-card h3 {
  font-size: 16px; font-weight: 700;
  margin-bottom: 8px; color: var(--text);
}
.feature-card p {
  font-size: 14px; color: var(--muted); line-height: 1.7;
}

/* ── USE CASES ── */
.usecases {
  padding: 80px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.usecases-list {
  display: flex; flex-direction: column; gap: 14px;
  max-width: 780px; margin: 0 auto;
}
.usecase-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 14px; color: var(--text);
  line-height: 1.6;
  transition: border-color .2s;
}
.usecase-item:hover { border-color: rgba(79,110,247,.3); }
.usecase-quote {
  font-size: 32px; line-height: 1;
  color: var(--accent); font-weight: 800;
  flex-shrink: 0; margin-top: -4px;
  font-family: Georgia, serif;
}

/* ── BETA FORM ── */
.beta-section {
  padding: 100px 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(79,110,247,.1) 0%, transparent 70%);
}
.beta-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  margin-top: 40px;
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group:last-of-type { margin-bottom: 0; }

.form-group label {
  font-size: 13px; font-weight: 600; color: var(--text);
}
.form-group .optional {
  font-weight: 400; color: var(--muted); font-size: 12px;
}
.required { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  padding: 10px 14px;
  font-family: var(--font);
  transition: border-color .15s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }
.form-group select option { background: var(--card); }
.form-group textarea { resize: vertical; min-height: 80px; }

.form-feedback {
  border-radius: 8px; padding: 10px 14px;
  font-size: 13px; margin-bottom: 16px;
}
.form-feedback.hidden { display: none; }
.form-feedback-error {
  background: rgba(248,113,113,.08);
  border: 1px solid rgba(248,113,113,.3);
  color: #f87171;
}

.form-note {
  text-align: center; font-size: 12px;
  color: var(--muted); margin-top: 12px;
}

.form-success {
  text-align: center; padding: 32px 0;
}
.success-check {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.3);
  color: var(--success);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.form-success h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.form-success p  { color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── FOOTER ── */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; margin-bottom: 16px;
}
.footer-logo {
  font-size: 16px; font-weight: 800;
  color: var(--accent);
}
.footer-by { color: var(--muted); font-weight: 400; font-size: 13px; }
.footer-links {
  display: flex; gap: 20px;
}
.footer-links a {
  color: var(--muted); text-decoration: none; font-size: 13px;
  transition: color .15s;
}
.footer-links a:hover { color: var(--text); }
.footer-disclaimer {
  font-size: 11px; color: var(--muted); line-height: 1.6;
  border-top: 1px solid var(--border); padding-top: 16px; margin-top: 16px;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .hero { padding: 72px 24px 60px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 100%; max-width: 320px; }
  .form-row { grid-template-columns: 1fr; }
  .beta-form { padding: 24px; }
  .features { padding: 60px 0; }
  .video-section, .usecases, .beta-section { padding: 60px 0; }
  .footer-inner { flex-direction: column; text-align: center; }
}