/* ================================================================
   BlissApex AI — Public Storefront
   Brand: Obsidian × Purple × Metallic Silver
   Mobile-first · Glassmorphism · CSS-only Swarm Animation
   ================================================================ */

:root {
  --obsidian:       #050510;
  --obsidian-card:  #0a0a1a;
  --purple-900:     #1a0533;
  --purple-700:     #6d28d9;
  --purple-600:     #7c3aed;
  --purple-500:     #8b5cf6;
  --purple-400:     #a78bfa;
  --purple-300:     #c4b5fd;
  --purple-glow:    rgba(139, 92, 246, 0.35);
  --silver-50:      #f8f8fc;
  --silver-100:     #e4e4ec;
  --silver-200:     #c8c8d4;
  --silver-300:     #a0a0b0;
  --silver-400:     #78788c;
  --silver-body:    rgba(200, 200, 212, 0.8);
  --glass-bg:       rgba(255, 255, 255, 0.035);
  --glass-border:   rgba(167, 139, 250, 0.12);
  --glass-glow:     0 0 40px rgba(139, 92, 246, 0.15);
  --radius:         16px;
  --radius-sm:      10px;
  --radius-pill:    999px;
  --sans:           'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --ease:           cubic-bezier(0.16, 1, 0.3, 1);
  --t:              0.3s var(--ease);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg { display: block; max-width: 100%; }

body {
  font-family: var(--sans);
  background: var(--obsidian);
  color: var(--silver-body);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 15% -10%, rgba(109, 40, 217, 0.12), transparent),
    radial-gradient(ellipse 50% 60% at 85% 110%, rgba(139, 92, 246, 0.06), transparent);
  pointer-events: none;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(139, 92, 246, 0.3); border-radius: 99px; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
a { color: inherit; text-decoration: none; }

/* ── Metallic Silver Treatment ──────────────────────────── */

.metallic {
  background: linear-gradient(
    135deg,
    #9898a8 0%,
    #d4d4e0 20%,
    #b8b8c8 40%,
    #f0f0f8 60%,
    #c0c0d0 80%,
    #a8a8b8 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: metallic-shift 6s ease-in-out infinite;
}

@keyframes metallic-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ── Navigation ─────────────────────────────────────────── */

.ln-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(5, 5, 16, 0.5);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid transparent;
  transition: background var(--t), border-color var(--t);
}

.ln-nav.scrolled {
  background: rgba(5, 5, 16, 0.94);
  border-bottom-color: rgba(167, 139, 250, 0.08);
}

.ln-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--silver-100);
  letter-spacing: -0.01em;
}

.ln-logo svg { width: 28px; height: 28px; flex-shrink: 0; }

.ln-logo-ai {
  font-weight: 500;
  font-size: 12px;
  color: var(--purple-400);
  margin-left: -3px;
  letter-spacing: 0.06em;
}

.ln-nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.ln-nav-link {
  display: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--silver-300);
  transition: color var(--t);
}
.ln-nav-link:hover { color: var(--silver-100); }

.ln-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--t);
  white-space: nowrap;
}

.ln-btn--primary {
  padding: 10px 20px;
  font-size: 13px;
  background: var(--purple-600);
  color: #fff;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.25);
}
.ln-btn--primary:hover {
  background: var(--purple-500);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.45);
  transform: translateY(-1px);
}

/* ── Hero ───────────────────────────────────────────────── */

.ln-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 130px 20px 72px;
  max-width: 720px;
  margin: 0 auto;
}

.ln-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(139, 92, 246, 0.07);
  border: 1px solid rgba(139, 92, 246, 0.18);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  color: var(--purple-300);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ln-pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.ln-hero-title {
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  font-weight: 800;
  color: var(--silver-50);
  margin: 28px 0 20px;
  letter-spacing: -0.03em;
}

.ln-hero-sub {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: var(--silver-400);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.75;
}

/* ── Waitlist Form ──────────────────────────────────────── */

.ln-waitlist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 440px;
}

.ln-waitlist input[type="email"] {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--silver-100);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.ln-waitlist input::placeholder { color: var(--silver-400); }
.ln-waitlist input:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

.ln-waitlist button[type="submit"] {
  width: 100%;
  padding: 14px 24px;
  background: var(--purple-600);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 0 28px rgba(124, 58, 237, 0.3);
  transition: all var(--t);
}
.ln-waitlist button[type="submit"]:hover {
  background: var(--purple-500);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.5);
  transform: translateY(-1px);
}

.ln-waitlist-ok {
  padding: 14px 18px;
  background: rgba(34, 197, 94, 0.07);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-sm);
  color: #86efac;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  display: none;
}

.ln-trust {
  font-size: 12px;
  color: var(--silver-400);
  margin-top: 14px;
}

/* ── Sections ───────────────────────────────────────────── */

.ln-section {
  position: relative;
  z-index: 1;
  padding: 72px 20px;
  max-width: 1060px;
  margin: 0 auto;
}

.ln-section-hdr {
  text-align: center;
  margin-bottom: 44px;
}
.ln-section-hdr h2 {
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  color: var(--silver-50);
  margin-top: 14px;
  margin-bottom: 10px;
}
.ln-section-hdr p {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--silver-400);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Swarm Visualization ────────────────────────────────── */

.swarm-vis {
  position: relative;
  width: 100%;
  max-width: 540px;
  height: 280px;
  margin: 0 auto;
  border-radius: var(--radius);
  background: var(--obsidian-card);
  border: 1px solid var(--glass-border);
  overflow: hidden;
}

.swarm-vis::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(139,92,246,0.02) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(139,92,246,0.02) 0 1px, transparent 1px 44px);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 70%);
}

.swarm-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 56px; height: 56px;
  margin: -28px 0 0 -28px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167,139,250,0.2) 0%, transparent 70%);
  animation: core-breathe 4s ease-in-out infinite;
}
.swarm-core::before {
  content: '';
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: var(--purple-600);
  box-shadow: 0 0 24px var(--purple-glow), 0 0 56px rgba(109,40,217,0.2);
}
.swarm-core::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(139,92,246,0.06);
  animation: ring-fade 4s ease-in-out infinite;
}
@keyframes core-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}
@keyframes ring-fade {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.4); opacity: 0; }
}

/* Orbital rings */
.swarm-ring {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(139, 92, 246, 0.05);
}
.swarm-ring::after {
  content: '';
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  top: -3.5px; left: calc(50% - 3.5px);
}

.swarm-ring--1 {
  width: 120px; height: 120px;
  margin: -60px 0 0 -60px;
  animation: orbit 20s linear infinite;
}
.swarm-ring--1::after {
  background: var(--purple-400);
  box-shadow: 0 0 10px var(--purple-glow);
}

.swarm-ring--2 {
  width: 190px; height: 190px;
  margin: -95px 0 0 -95px;
  animation: orbit 30s linear infinite reverse;
}
.swarm-ring--2::after {
  background: #67e8f9;
  box-shadow: 0 0 10px rgba(34,211,238,0.4);
}

.swarm-ring--3 {
  width: 260px; height: 260px;
  margin: -130px 0 0 -130px;
  animation: orbit 40s linear infinite;
}
.swarm-ring--3::after {
  background: #86efac;
  box-shadow: 0 0 10px rgba(34,197,94,0.3);
}
@keyframes orbit { to { transform: rotate(360deg); } }

/* Data particles */
.swarm-p {
  position: absolute;
  bottom: -2px;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: var(--purple-400);
  box-shadow: 0 0 5px var(--purple-glow);
  opacity: 0;
  animation: rise var(--dur, 4s) var(--d, 0s) linear infinite;
}
@keyframes rise {
  0%   { opacity: 0; transform: translateY(0); }
  8%   { opacity: 0.7; }
  78%  { opacity: 0.12; }
  100% { opacity: 0; transform: translateY(-300px); }
}

/* Horizontal scan line */
.swarm-scan {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167,139,250,0.15), transparent);
  animation: scan 8s ease-in-out infinite;
}
@keyframes scan {
  0%   { top: 8%; opacity: 0; }
  4%   { opacity: 1; }
  96%  { opacity: 0.2; }
  100% { top: 92%; opacity: 0; }
}

/* Agent labels */
.swarm-label {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 9px;
  font-weight: 700;
  color: var(--silver-300);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.55;
}
.swarm-label-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  animation: label-blink 3s ease-in-out infinite;
}
.swarm-label-dot--p { background: var(--purple-400); box-shadow: 0 0 6px var(--purple-glow); }
.swarm-label-dot--c { background: #67e8f9; box-shadow: 0 0 6px rgba(34,211,238,0.35); }
.swarm-label-dot--g { background: #86efac; box-shadow: 0 0 6px rgba(34,197,94,0.25); }
@keyframes label-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Diagonal data streams */
.swarm-stream {
  position: absolute;
  width: 1px;
  height: 100%;
  top: 0;
  overflow: hidden;
  opacity: 0.3;
}
.swarm-stream::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 0;
  width: 1px;
  height: 30%;
  background: linear-gradient(180deg, transparent, var(--purple-400), transparent);
  animation: stream-flow var(--s-dur, 3s) var(--s-d, 0s) linear infinite;
}
@keyframes stream-flow {
  0%   { top: -30%; }
  100% { top: 110%; }
}

/* ── Forge Engine Cards ─────────────────────────────────── */

.ln-engine-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 40px;
}

.ln-card {
  padding: 28px 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.ln-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-glow);
  border-color: rgba(167, 139, 250, 0.22);
}

.ln-card-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  margin-bottom: 16px;
}
.ln-card-icon svg { width: 22px; height: 22px; }
.ln-card-icon--p { background: rgba(109,40,217,0.1); border: 1px solid rgba(109,40,217,0.22); color: var(--purple-400); }
.ln-card-icon--c { background: rgba(34,211,238,0.06); border: 1px solid rgba(34,211,238,0.12); color: #67e8f9; }
.ln-card-icon--g { background: rgba(34,197,94,0.06); border: 1px solid rgba(34,197,94,0.12); color: #86efac; }

.ln-card h3 {
  font-size: 1.05rem;
  color: var(--silver-100);
  margin-bottom: 5px;
}

.ln-card-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.ln-card-tag--p { background: rgba(109,40,217,0.08); border: 1px solid rgba(109,40,217,0.18); color: var(--purple-400); }
.ln-card-tag--c { background: rgba(34,211,238,0.05); border: 1px solid rgba(34,211,238,0.12); color: #67e8f9; }
.ln-card-tag--g { background: rgba(34,197,94,0.05); border: 1px solid rgba(34,197,94,0.1); color: #86efac; }

.ln-card p { font-size: 13.5px; line-height: 1.7; color: var(--silver-400); }

.ln-engine-sig {
  text-align: center;
  padding: 22px 20px;
  background: rgba(139, 92, 246, 0.035);
  border: 1px solid rgba(139, 92, 246, 0.08);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--silver-300);
  line-height: 1.7;
}
.ln-engine-sig strong { color: var(--purple-300); font-weight: 600; }

/* ── CTA Section ────────────────────────────────────────── */

.ln-cta-card {
  text-align: center;
  padding: 56px 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.ln-cta-card h2 {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: var(--silver-50);
  margin-bottom: 10px;
}
.ln-cta-card > p {
  color: var(--silver-400);
  font-size: 15px;
  max-width: 400px;
  margin: 0 auto 28px;
}
.ln-cta-card .ln-waitlist { margin: 0 auto; }

/* ── Footer ─────────────────────────────────────────────── */

.ln-footer {
  position: relative;
  z-index: 1;
  padding: 36px 20px 28px;
  border-top: 1px solid rgba(167, 139, 250, 0.05);
  text-align: center;
}
.ln-footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--silver-200);
  margin-bottom: 10px;
}
.ln-footer-brand svg { width: 18px; height: 18px; }
.ln-footer-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--silver-400);
  margin-bottom: 14px;
}
.ln-footer-legal {
  font-size: 11px;
  color: rgba(160, 160, 176, 0.35);
}

/* ── Reveal on Scroll ───────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ── Responsive ─────────────────────────────────────────── */

@media (min-width: 480px) {
  .ln-waitlist { flex-direction: row; }
  .ln-waitlist input[type="email"] { flex: 1; min-width: 0; }
  .ln-waitlist button[type="submit"] { width: auto; flex-shrink: 0; }
}

@media (min-width: 768px) {
  .ln-nav { padding: 14px 36px; }
  .ln-nav-link { display: block; }
  .ln-hero { padding: 170px 36px 96px; }
  .ln-section { padding: 96px 36px; }
  .swarm-vis { height: 380px; max-width: 600px; }
  .swarm-ring--1 { width: 150px; height: 150px; margin: -75px 0 0 -75px; }
  .swarm-ring--2 { width: 240px; height: 240px; margin: -120px 0 0 -120px; }
  .swarm-ring--3 { width: 330px; height: 330px; margin: -165px 0 0 -165px; }
  .ln-engine-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}

@media (min-width: 1024px) {
  .ln-hero { padding: 200px 40px 110px; }
  .swarm-vis { max-width: 660px; height: 420px; }
}

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