/* ============================================================
   NerdyASI.World — Nerdy Artificial Superintelligence
   Premium futuristic AI startup styles
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg-0: #04050b;
  --bg-1: #07091a;
  --bg-2: #0b1230;
  --ink-0: #ffffff;
  --ink-1: #c9d4ea;
  --ink-2: #8aa0c2;
  --ink-3: #5b6e91;
  --line: rgba(120, 170, 255, 0.12);
  --line-2: rgba(120, 170, 255, 0.22);

  --cyan: #00e5ff;
  --blue: #3b82f6;
  --violet: #a855f7;
  --pink: #ec4899;
  --green: #22d3a4;

  --grad-1: linear-gradient(135deg, #00e5ff 0%, #3b82f6 50%, #a855f7 100%);
  --grad-2: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  --grad-3: linear-gradient(180deg, rgba(0, 229, 255, 0.18), rgba(168, 85, 247, 0.05));

  --glass: rgba(255, 255, 255, 0.04);
  --glass-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.08);

  --shadow-glow: 0 0 60px rgba(0, 229, 255, 0.25);
  --shadow-card: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.04);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --maxw: 1240px;
  --gutter: clamp(16px, 4vw, 32px);

  --t-fast: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-med: 360ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-slow: 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- Reset & base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
*::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 400;
  background: var(--bg-0);
  color: var(--ink-1);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; color: inherit; background: transparent; border: 0; outline: none; }

::selection { background: rgba(0, 229, 255, 0.35); color: #ffffff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #1b2748, #0f1733); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #233562, #14204a); }

/* ---------- Page-wide atmosphere ---------- */
.bg-stage {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1100px 700px at 80% -10%, rgba(168, 85, 247, 0.22), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(0, 229, 255, 0.16), transparent 60%),
    radial-gradient(800px 800px at 50% 120%, rgba(59, 130, 246, 0.18), transparent 60%),
    var(--bg-0);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}
.bg-noise {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.cursor-glow {
  position: fixed; width: 520px; height: 520px; border-radius: 50%; pointer-events: none; z-index: -1;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12), transparent 60%);
  transform: translate(-50%, -50%); transition: transform 80ms linear; will-change: transform;
  display: none;
}
@media (hover: hover) and (pointer: fine) { .cursor-glow { display: block; } }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-head { max-width: 760px; margin: 0 auto clamp(36px, 6vw, 64px); text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--glass-border);
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-2);
  font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

h1, h2, h3, h4 { color: var(--ink-0); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 600; }
p { color: var(--ink-1); }
.muted { color: var(--ink-2); }
.gradient-text {
  background: var(--grad-1); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  position: relative; overflow: hidden; user-select: none;
  min-height: 48px; white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  background: var(--grad-1); color: #04050b;
  box-shadow: 0 10px 30px -10px rgba(0, 229, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-primary::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: translateX(-120%); transition: transform 700ms ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -10px rgba(0, 229, 255, 0.7); }
.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost {
  background: var(--glass); border: 1px solid var(--glass-border); color: var(--ink-0);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: var(--glass-strong); border-color: var(--line-2); transform: translateY(-2px); }

.btn-sm { padding: 10px 16px; font-size: 13px; min-height: 38px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px) saturate(180%); -webkit-backdrop-filter: blur(18px) saturate(180%);
  background: rgba(4, 5, 11, 0.55); border-bottom: 1px solid var(--glass-border);
  transition: background var(--t-med), border-color var(--t-med);
}
.nav.scrolled { background: rgba(4, 5, 11, 0.85); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }
.brand-tag { display: none; }
.nav-links { display: none; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--ink-2); font-size: 14px; font-weight: 500; position: relative;
  transition: color var(--t-fast);
}
.nav-links a:hover { color: var(--ink-0); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
  background: var(--grad-1); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med);
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { display: none; }
.nav-toggle {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; background: var(--glass); border: 1px solid var(--glass-border);
}
.nav-toggle span {
  width: 18px; height: 1.5px; background: var(--ink-0); position: relative;
  transition: transform var(--t-med);
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--ink-0);
  transition: transform var(--t-med);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 64px 0 0 0; z-index: 49;
  background: rgba(4, 5, 11, 0.96); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transform: translateX(100%); transition: transform var(--t-med);
  padding: 32px var(--gutter); overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  display: block; padding: 18px 0; font-size: 22px; color: var(--ink-0); font-weight: 600;
  border-bottom: 1px solid var(--glass-border);
}
.mobile-menu .btn { width: 100%; margin-top: 24px; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .brand-tag {
    display: inline-block; padding: 3px 8px; border-radius: 6px;
    background: var(--glass); border: 1px solid var(--glass-border);
    font-size: 10px; letter-spacing: 0.18em; color: var(--ink-2); text-transform: uppercase;
  }
}

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 7vw, 96px) 0 clamp(72px, 9vw, 120px); position: relative; }
.hero-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(40px, 6vw, 64px);
  align-items: center;
}
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.05fr 1fr; } }

.hero-left { position: relative; z-index: 2; }
.hero-left .eyebrow { margin-bottom: 22px; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .nerdy { display: inline-block; }
.hero h1 .asi { background: var(--grad-1); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--ink-1);
  max-width: 560px; margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-meta {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  padding: 20px; border-radius: var(--radius-md);
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  max-width: 560px;
}
.hero-meta .metric-num {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem); font-weight: 700; color: var(--ink-0);
  background: var(--grad-1); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-meta .metric-label { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); margin-top: 4px; }

/* Hero right — AI chat sim */
.hero-right { position: relative; min-height: 480px; }
.hud-rings { position: absolute; inset: -40px; pointer-events: none; opacity: 0.7; z-index: 0; }
.hud-rings svg { width: 100%; height: 100%; }
.ring-spin { transform-origin: center; animation: spin-slow 60s linear infinite; }
.ring-spin-rev { transform-origin: center; animation: spin-slow 90s linear infinite reverse; }
@keyframes spin-slow { to { transform: rotate(360deg); } }

.chat-sim {
  position: relative; z-index: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(20, 28, 60, 0.55), rgba(8, 12, 32, 0.7));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card), 0 0 80px -20px rgba(0, 229, 255, 0.35);
  overflow: hidden;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.chat-sim::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), transparent 30%, transparent 70%, rgba(168, 85, 247, 0.14));
  mix-blend-mode: overlay;
}
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}
.chat-head .left { display: flex; align-items: center; gap: 12px; }
.chat-avatar {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad-1); display: grid; place-items: center;
  position: relative;
}
.chat-avatar::after {
  content: ""; position: absolute; inset: -4px; border-radius: 14px;
  background: var(--grad-1); filter: blur(14px); opacity: 0.6; z-index: -1;
}
.chat-avatar svg { width: 18px; height: 18px; }
.chat-name { font-size: 14px; font-weight: 600; color: var(--ink-0); }
.chat-status { font-size: 11px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.chat-status::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green); animation: pulse-dot 1.6s ease-in-out infinite;
}
.chat-dots { display: flex; gap: 6px; }
.chat-dots span {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.chat-body {
  padding: 18px; min-height: 360px; max-height: 460px; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px; position: relative;
}
.chat-body::before, .chat-body::after {
  content: ""; position: absolute; left: 0; right: 0; height: 36px; pointer-events: none; z-index: 2;
}
.chat-body::before { top: 0; background: linear-gradient(180deg, rgba(8, 12, 32, 0.7), transparent); }
.chat-body::after { bottom: 0; background: linear-gradient(0deg, rgba(8, 12, 32, 0.7), transparent); }

.bubble {
  max-width: 86%; padding: 12px 14px; border-radius: 14px; font-size: 13.5px; line-height: 1.5;
  animation: bubbleIn 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  position: relative;
}
.bubble .time { display: block; font-size: 10px; color: var(--ink-3); margin-top: 4px; }
.bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(0, 229, 255, 0.18));
  border: 1px solid rgba(0, 229, 255, 0.25); color: var(--ink-0);
}
.bubble.ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--glass-border);
  color: var(--ink-1);
}
.bubble.ai::before {
  content: ""; position: absolute; left: -1px; top: 12px; width: 3px; height: 18px; border-radius: 3px;
  background: var(--grad-1);
}
@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.typing { display: inline-flex; gap: 4px; padding: 4px 0; align-items: center; }
.typing span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--ink-2);
  animation: typingDot 1.2s ease-in-out infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingDot {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-3px); }
}

.chat-input {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}
.chat-input .field {
  flex: 1; padding: 10px 14px; background: rgba(0, 0, 0, 0.3); border-radius: 999px;
  border: 1px solid var(--glass-border); font-size: 13px; color: var(--ink-2);
}
.chat-input .send {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--grad-1); display: grid; place-items: center; flex-shrink: 0;
}
.chat-input .send svg { width: 16px; height: 16px; }

/* Floating particles inside hero right */
.particles { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.particles span {
  position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan); opacity: 0.6;
  animation: floatY linear infinite;
}
@keyframes floatY {
  0% { transform: translateY(110%) translateX(0); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { transform: translateY(-30%) translateX(20px); opacity: 0; }
}

/* ---------- Trusted/Marquee ---------- */
.marquee {
  border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);
  padding: 22px 0; overflow: hidden; position: relative;
  background: rgba(255, 255, 255, 0.015);
}
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-0), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg-0), transparent); }
.marquee-track {
  display: flex; gap: 56px; width: max-content; animation: marqueeMove 38s linear infinite;
}
.marquee-track span {
  font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 12px; font-weight: 500;
}
.marquee-track span::after {
  content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
@keyframes marqueeMove { to { transform: translateX(-50%); } }

/* ---------- Capabilities cards ---------- */
.cap-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.cap-card {
  position: relative; padding: 28px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: transform var(--t-med), border-color var(--t-med);
}
.cap-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.5), transparent 40%, transparent 60%, rgba(168, 85, 247, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity var(--t-med);
}
.cap-card::after {
  content: ""; position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.25), transparent 60%);
  top: var(--my, -100px); left: var(--mx, -100px); transform: translate(-50%, -50%);
  opacity: 0; transition: opacity var(--t-med); pointer-events: none;
}
.cap-card:hover { transform: translateY(-6px); border-color: transparent; }
.cap-card:hover::before { opacity: 1; }
.cap-card:hover::after { opacity: 1; }
.cap-card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(168, 85, 247, 0.15));
  border: 1px solid var(--glass-border);
  display: grid; place-items: center; margin-bottom: 18px;
  position: relative;
}
.cap-card .icon svg { width: 24px; height: 24px; }
.cap-card h3 { margin-bottom: 8px; }
.cap-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- Research areas (asymmetric grid) ---------- */
.research-grid {
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .research-grid { grid-template-columns: repeat(6, 1fr); grid-auto-rows: minmax(180px, auto); }
  .research-grid .r1 { grid-column: span 6; }
  .research-grid .r2 { grid-column: span 3; }
  .research-grid .r3 { grid-column: span 3; }
  .research-grid .r4 { grid-column: span 2; }
  .research-grid .r5 { grid-column: span 2; }
  .research-grid .r6 { grid-column: span 2; }
}
@media (min-width: 1024px) {
  .research-grid .r1 { grid-column: span 4; grid-row: span 2; }
  .research-grid .r2 { grid-column: span 2; }
  .research-grid .r3 { grid-column: span 2; }
  .research-grid .r4 { grid-column: span 2; }
  .research-grid .r5 { grid-column: span 2; }
  .research-grid .r6 { grid-column: span 2; }
}
.r-card {
  position: relative; padding: 26px; border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border); overflow: hidden;
  transition: transform var(--t-med);
}
.r-card:hover { transform: translateY(-4px); }
.r-card .tag { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 10px; }
.r-card h3 { margin-bottom: 10px; }
.r-card p { font-size: 14px; color: var(--ink-2); }
.r-card .deco { position: absolute; right: -40px; bottom: -40px; opacity: 0.35; }
.r-card.feature {
  background:
    radial-gradient(600px 200px at 80% 0%, rgba(168, 85, 247, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(0, 229, 255, 0.06), rgba(255, 255, 255, 0.02));
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative; padding: 20px 0; overflow-x: auto; overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.timeline-track {
  position: relative; display: flex; gap: 26px;
  padding: 60px 8px 40px; min-width: max-content;
}
.timeline-track::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  opacity: 0.45;
}
.tl-node {
  position: relative; width: 280px; flex-shrink: 0;
}
.tl-node .node {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--grad-1); margin: 0 auto;
  box-shadow: 0 0 0 6px rgba(0, 229, 255, 0.12), 0 0 24px rgba(0, 229, 255, 0.6);
  position: relative; z-index: 2;
}
.tl-node .node::after {
  content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 1px solid rgba(0, 229, 255, 0.3);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.4); opacity: 0; } }
.tl-node .card {
  margin-top: 18px; padding: 18px; border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
}
.tl-node:nth-child(even) .card { margin-top: -160px; }
.tl-node .era { font-size: 11px; color: var(--cyan); letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 6px; }
.tl-node h3 { margin-bottom: 6px; font-size: 1.1rem; }
.tl-node p { font-size: 13px; color: var(--ink-2); }
@media (max-width: 720px) {
  .tl-node:nth-child(even) .card { margin-top: 18px; }
}

/* ---------- Ecosystem ---------- */
.eco {
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .eco { grid-template-columns: repeat(3, 1fr); } }
.eco-card {
  padding: 26px; border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
  transition: transform var(--t-med), border-color var(--t-med);
}
.eco-card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.eco-card .num { font-size: 12px; letter-spacing: 0.18em; color: var(--cyan); margin-bottom: 8px; }
.eco-card h3 { margin-bottom: 8px; }
.eco-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- Use cases ---------- */
.usecases {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .usecases { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .usecases { grid-template-columns: repeat(2, 1fr); } }
.uc {
  display: flex; gap: 16px; padding: 22px; border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
  transition: transform var(--t-med), border-color var(--t-med);
}
.uc:hover { transform: translateY(-3px); border-color: var(--line-2); }
.uc .uc-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(168, 85, 247, 0.15));
  border: 1px solid var(--glass-border); display: grid; place-items: center;
}
.uc h3 { margin-bottom: 4px; font-size: 1.05rem; }
.uc p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- Showcase (research showcase) ---------- */
.showcase {
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .showcase { grid-template-columns: 1.1fr 1fr; align-items: center; } }
.showcase-visual {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, rgba(0, 229, 255, 0.18), transparent 60%),
              linear-gradient(180deg, rgba(20, 28, 60, 0.45), rgba(8, 12, 32, 0.7));
  border: 1px solid var(--glass-border); overflow: hidden;
  box-shadow: var(--shadow-card);
}
.showcase-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.showcase-visual .scan {
  position: absolute; left: 0; right: 0; height: 80px;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.18), transparent);
  animation: scan 4s ease-in-out infinite;
}
@keyframes scan { 0% { top: -80px; } 100% { top: 100%; } }
.showcase-text h2 { margin-bottom: 16px; }
.showcase-text p { color: var(--ink-2); margin-bottom: 24px; }
.showcase-list { display: grid; gap: 12px; margin-bottom: 28px; }
.showcase-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 14px; border-radius: 12px;
  background: var(--glass); border: 1px solid var(--glass-border);
  list-style: none; font-size: 14px;
}
.showcase-list li::before {
  content: ""; flex-shrink: 0; width: 8px; height: 8px; margin-top: 7px; border-radius: 50%;
  background: var(--grad-1); box-shadow: 0 0 8px var(--cyan);
}

/* ---------- Early Access CTA ---------- */
.cta-band {
  position: relative; padding: clamp(48px, 7vw, 80px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(600px 300px at 20% 20%, rgba(0, 229, 255, 0.25), transparent 60%),
    radial-gradient(500px 300px at 80% 80%, rgba(168, 85, 247, 0.28), transparent 60%),
    linear-gradient(180deg, rgba(20, 28, 60, 0.55), rgba(8, 12, 32, 0.7));
  border: 1px solid var(--glass-border);
  overflow: hidden; text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.cta-band h2 { margin-bottom: 14px; max-width: 720px; margin-left: auto; margin-right: auto; }
.cta-band p { color: var(--ink-2); max-width: 620px; margin: 0 auto 30px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Pricing ---------- */
.pricing {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .pricing { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .pricing { grid-template-columns: repeat(5, 1fr); } }
.plan {
  position: relative; padding: 28px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
  transition: transform var(--t-med);
  display: flex; flex-direction: column;
}
.plan:hover { transform: translateY(-6px); }
.plan.featured {
  background:
    radial-gradient(400px 200px at 50% 0%, rgba(0, 229, 255, 0.22), transparent 60%),
    linear-gradient(180deg, rgba(20, 28, 60, 0.55), rgba(8, 12, 32, 0.7));
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 40px -10px rgba(0, 229, 255, 0.4);
}
.plan .badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  padding: 4px 12px; border-radius: 999px;
  background: var(--grad-1); color: #04050b; font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.plan h3 { margin-bottom: 4px; font-size: 1.05rem; }
.plan .tier-desc { font-size: 12px; color: var(--ink-2); margin-bottom: 18px; min-height: 32px; }
.plan .price { font-size: 2rem; font-weight: 700; color: var(--ink-0); }
.plan .price span { font-size: 0.9rem; color: var(--ink-2); font-weight: 400; }
.plan .price-sub { font-size: 12px; color: var(--ink-3); margin-bottom: 18px; }
.plan ul { list-style: none; display: grid; gap: 10px; margin-bottom: 22px; flex: 1; }
.plan li { font-size: 13px; color: var(--ink-1); display: flex; gap: 8px; align-items: flex-start; }
.plan li svg { flex-shrink: 0; margin-top: 2px; }
.plan .btn { width: 100%; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq details[open] { border-color: var(--line-2); }
.faq summary {
  padding: 20px 24px; cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-weight: 600; color: var(--ink-0); font-size: 15px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--glass); border: 1px solid var(--glass-border);
  display: grid; place-items: center; flex-shrink: 0;
  transition: transform var(--t-med), background var(--t-fast);
}
.faq details[open] summary .plus { transform: rotate(45deg); background: var(--grad-1); color: #04050b; }
.faq details > div {
  padding: 0 24px 22px; color: var(--ink-2); font-size: 14px; line-height: 1.7;
}

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contact-wrap { grid-template-columns: 1fr 1.2fr; } }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--ink-2); margin-bottom: 24px; }
.contact-info ul { list-style: none; display: grid; gap: 14px; }
.contact-info li {
  display: flex; gap: 14px; align-items: center;
  padding: 14px 16px; border-radius: 12px;
  background: var(--glass); border: 1px solid var(--glass-border);
  font-size: 14px;
}
.contact-info .ci-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(168, 85, 247, 0.15));
  border: 1px solid var(--glass-border); display: grid; place-items: center; flex-shrink: 0;
}

.form-card {
  padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-lg);
  background:
    radial-gradient(400px 200px at 0% 0%, rgba(0, 229, 255, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
}
.form-grid { display: grid; gap: 16px; }
@media (min-width: 600px) { .form-grid.two { grid-template-columns: 1fr 1fr; } }
.field-wrap {
  position: relative; padding: 6px 14px 6px;
  background: rgba(0, 0, 0, 0.25); border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field-wrap:focus-within { border-color: rgba(0, 229, 255, 0.5); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12); }
.field-wrap label {
  display: block; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2); padding-top: 8px;
}
.field-wrap input, .field-wrap textarea, .field-wrap select {
  width: 100%; padding: 6px 0 10px; font-size: 15px; color: var(--ink-0);
  background: transparent;
}
.field-wrap select { color: var(--ink-0); cursor: pointer; }
.field-wrap select option { background: var(--bg-1); color: var(--ink-0); }
.field-wrap textarea { resize: vertical; min-height: 110px; }
.hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.form-actions { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.form-note { font-size: 12px; color: var(--ink-3); }
.submitting .btn-primary { pointer-events: none; opacity: 0.85; }
.submitting .btn-primary::before {
  content: ""; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(4, 5, 11, 0.3); border-top-color: #04050b;
  animation: spin 700ms linear infinite; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--glass-border); padding: 56px 0 28px; margin-top: 40px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
}
.foot-grid {
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.foot-brand img { height: 40px; margin-bottom: 14px; }
.foot-brand p { font-size: 14px; color: var(--ink-2); max-width: 320px; }
.foot-col h4 {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-2);
  font-weight: 600; margin-bottom: 14px;
}
.foot-col ul { list-style: none; display: grid; gap: 10px; }
.foot-col a { font-size: 14px; color: var(--ink-1); transition: color var(--t-fast); }
.foot-col a:hover { color: var(--cyan); }
.foot-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--glass-border);
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center;
}
.foot-bottom small { font-size: 12px; color: var(--ink-3); }
.foot-social { display: flex; gap: 10px; }
.foot-social a {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--glass); border: 1px solid var(--glass-border);
  display: grid; place-items: center;
  transition: background var(--t-fast), transform var(--t-fast);
}
.foot-social a:hover { background: var(--glass-strong); transform: translateY(-2px); }
.foot-social svg { width: 16px; height: 16px; }

/* ---------- Side tab (Get Early Access) ---------- */
.side-tab {
  position: fixed; top: 50%; right: 0; transform: translateY(-50%) rotate(0);
  z-index: 40;
  writing-mode: vertical-rl; text-orientation: mixed;
  padding: 16px 10px; border-radius: 12px 0 0 12px;
  background: var(--grad-1); color: #04050b;
  font-weight: 700; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer; user-select: none;
  box-shadow: -6px 0 20px -5px rgba(0, 229, 255, 0.5);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  display: none;
}
.side-tab:hover { transform: translateY(-50%) translateX(-4px); }
@media (min-width: 720px) { .side-tab { display: block; } }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100; background: rgba(2, 4, 12, 0.75);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: grid; place-items: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity var(--t-med);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  background:
    radial-gradient(400px 200px at 0% 0%, rgba(0, 229, 255, 0.18), transparent 60%),
    radial-gradient(400px 200px at 100% 100%, rgba(168, 85, 247, 0.2), transparent 60%),
    linear-gradient(180deg, rgba(20, 28, 60, 0.7), rgba(8, 12, 32, 0.85));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 36px);
  position: relative; transform: translateY(20px) scale(0.96);
  transition: transform var(--t-med);
  box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.7), 0 0 80px -20px rgba(0, 229, 255, 0.35);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--glass); border: 1px solid var(--glass-border);
  display: grid; place-items: center;
}
.modal h2 { font-size: 1.6rem; margin-bottom: 8px; }
.modal p.muted { font-size: 14px; margin-bottom: 22px; }

/* ---------- Floating chat orb ---------- */
.chat-orb {
  position: fixed; right: 20px; bottom: 20px; z-index: 45;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--grad-1); display: grid; place-items: center;
  box-shadow: 0 10px 30px -8px rgba(0, 229, 255, 0.5), 0 0 0 6px rgba(0, 229, 255, 0.08);
  cursor: grab; user-select: none; touch-action: none;
  transition: transform var(--t-fast);
}
.chat-orb:active { cursor: grabbing; transform: scale(0.95); }
.chat-orb::before {
  content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.35);
  animation: ringPulse 2.6s ease-in-out infinite;
}
.chat-orb svg { width: 26px; height: 26px; color: #04050b; }

.chat-panel {
  position: fixed; right: 20px; bottom: 90px; z-index: 46;
  width: min(360px, calc(100vw - 40px)); height: min(520px, 70vh);
  background:
    radial-gradient(300px 150px at 0% 0%, rgba(0, 229, 255, 0.15), transparent 60%),
    linear-gradient(180deg, rgba(20, 28, 60, 0.7), rgba(8, 12, 32, 0.85));
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7);
  display: flex; flex-direction: column;
  transform: translateY(20px) scale(0.96); opacity: 0; pointer-events: none;
  transition: transform var(--t-med), opacity var(--t-med);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.chat-panel.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.chat-panel .chat-head { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.chat-panel .chat-body { flex: 1; min-height: 0; }
.chat-panel .chat-input { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.chat-panel .chat-input .field { padding: 10px 14px; }
.chat-panel-input {
  background: rgba(0, 0, 0, 0.3) !important; color: var(--ink-0) !important;
}

/* ---------- Reveal-on-scroll ---------- */
/* Safe fallback: content stays visible even if delayed CDN/JS execution happens on shared hosting. */
.reveal { opacity: 1; transform: translateY(0); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1); }
.js-anim .reveal { opacity: 0; transform: translateY(24px); }
.js-anim .reveal.in { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 80ms; }
.reveal-d2 { transition-delay: 160ms; }
.reveal-d3 { transition-delay: 240ms; }
.reveal-d4 { transition-delay: 320ms; }

/* ---------- Thank you page ---------- */
.ty-wrap {
  min-height: 100vh; display: grid; place-items: center;
  padding: 60px var(--gutter); text-align: center; position: relative;
}
.ty-card {
  max-width: 640px; padding: clamp(36px, 6vw, 60px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(500px 200px at 50% 0%, rgba(0, 229, 255, 0.22), transparent 60%),
    linear-gradient(180deg, rgba(20, 28, 60, 0.55), rgba(8, 12, 32, 0.7));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card), 0 0 80px -20px rgba(0, 229, 255, 0.4);
  position: relative; overflow: hidden;
}
.ty-icon {
  width: 100px; height: 100px; margin: 0 auto 24px;
  border-radius: 50%; background: var(--grad-1);
  display: grid; place-items: center; position: relative;
  animation: tyPop 700ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.ty-icon::before, .ty-icon::after {
  content: ""; position: absolute; inset: -10px; border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.5); animation: ringPulse 2.4s ease-out infinite;
}
.ty-icon::after { animation-delay: 0.6s; inset: -20px; }
.ty-icon svg { width: 46px; height: 46px; color: #04050b; }
@keyframes tyPop {
  from { transform: scale(0.4) rotate(-20deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}
.ty-card h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.ty-card p { color: var(--ink-2); margin-bottom: 28px; }
.ty-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.ty-particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Small screens fine-tune ---------- */
@media (max-width: 480px) {
  .hero-meta { grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
  .hero-meta .metric-num { font-size: 1.1rem; }
  .hero-meta .metric-label { font-size: 9px; letter-spacing: 0.1em; }
  .chat-orb { width: 54px; height: 54px; right: 14px; bottom: 14px; }
  .chat-orb svg { width: 22px; height: 22px; }
  .chat-panel { right: 14px; bottom: 78px; }
}

/* ---------- Manual interactive chatbot prompts ---------- */
.chat-body {
  overflow-y: auto;
  scrollbar-width: thin;
}
.chat-body::-webkit-scrollbar { width: 6px; }
.chat-body::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
}
.predefined-chat-tools {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--glass-border);
  background:
    radial-gradient(circle at 10% 0%, rgba(0,229,255,0.12), transparent 34%),
    radial-gradient(circle at 100% 25%, rgba(139,92,246,0.10), transparent 32%),
    rgba(255, 255, 255, 0.025);
  display: grid;
  gap: 10px;
}
.preset-label {
  font-size: 11.5px;
  line-height: 1.35;
  color: var(--ink-2);
  letter-spacing: 0.035em;
}
.preset-label strong {
  color: var(--ink-0);
  font-weight: 800;
}
.prompt-search-wrap {
  position: relative;
}
.prompt-search {
  width: 100%;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.34);
  color: var(--ink-0);
  padding: 10px 13px;
  font-size: 12.5px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.prompt-search::placeholder { color: rgba(234, 241, 255, 0.48); }
.prompt-search:focus {
  border-color: rgba(0, 229, 255, 0.62);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
  background: rgba(0, 0, 0, 0.46);
}
.prompt-cats {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.prompt-cats::-webkit-scrollbar { display: none; }
.prompt-cat {
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.055);
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 700;
  padding: 7px 10px;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
}
.prompt-cat:hover { transform: translateY(-1px); color: var(--ink-0); border-color: rgba(0,229,255,0.35); }
.prompt-cat.active {
  color: #04050b;
  border-color: transparent;
  background: var(--grad-1);
  box-shadow: 0 10px 22px -14px rgba(0,229,255,0.85);
}
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 210px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
}
.prompt-grid::-webkit-scrollbar { width: 5px; }
.prompt-grid::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 999px; }
.prompt-card {
  text-align: left;
  min-height: 78px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.075), rgba(255,255,255,0.025)),
    rgba(5, 9, 24, 0.68);
  color: var(--ink-0);
  padding: 10px;
  display: grid;
  align-content: start;
  gap: 7px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: promptCardIn .32s ease both;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.prompt-card::before {
  content: '';
  position: absolute;
  inset: -40% auto auto -20%;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0,229,255,0.13);
  filter: blur(16px);
  opacity: 0;
  transition: opacity .2s ease;
}
.prompt-card:hover,
.prompt-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(0,229,255,0.44);
  box-shadow: 0 16px 34px -24px rgba(0,229,255,0.62);
}
.prompt-card:hover::before,
.prompt-card:focus-visible::before { opacity: 1; }
.prompt-chip {
  width: max-content;
  max-width: 100%;
  border-radius: 999px;
  background: rgba(0,229,255,0.13);
  color: #8af4ff;
  padding: 4px 7px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .03em;
}
.prompt-text {
  font-size: 11.5px;
  line-height: 1.35;
  color: var(--ink-1);
  position: relative;
}
.prompt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.prompt-count {
  font-size: 10.5px;
  color: var(--ink-3);
}
.prompt-more {
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.13);
  color: var(--ink-1);
  font-size: 11px;
  font-weight: 800;
  padding: 7px 10px;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease, color .18s ease;
}
.prompt-more:hover { background: rgba(255,255,255,0.14); transform: translateY(-1px); color: var(--ink-0); }
.prompt-more[hidden] { display: none; }
.prompt-empty {
  grid-column: 1 / -1;
  border: 1px dashed rgba(255,255,255,0.16);
  border-radius: 16px;
  padding: 14px;
  color: var(--ink-2);
  font-size: 12px;
  text-align: center;
}
.chat-panel .predefined-chat-tools {
  padding: 10px 12px;
  gap: 8px;
}
.chat-panel .preset-label { font-size: 10.5px; }
.chat-panel .prompt-search { font-size: 12px; padding: 9px 11px; }
.chat-panel .prompt-cat { font-size: 10.5px; padding: 6px 9px; }
.chat-panel .prompt-grid {
  grid-template-columns: 1fr;
  max-height: 176px;
  gap: 7px;
}
.chat-panel .prompt-card {
  min-height: auto;
  padding: 9px;
  border-radius: 14px;
}
.chat-panel .prompt-text { font-size: 11px; }
.chat-panel .prompt-footer { gap: 7px; }
.chat-panel .prompt-more { font-size: 10.5px; padding: 6px 9px; }

@keyframes promptCardIn {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 720px) {
  .prompt-grid {
    grid-template-columns: 1fr;
    max-height: 190px;
  }
  .prompt-footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .prompt-more {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .chat-body {
    min-height: 280px;
  }
  .chat-panel .chat-body {
    min-height: 0;
  }
  .predefined-chat-tools {
    padding: 10px 11px 12px;
  }
  .prompt-card {
    min-height: auto;
  }
}


/* React + SMTP form UX */
.form-status {
  width: 100%;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
}
.form-status.error { color: #ff8b8b; }
.form-status.success { color: #76f7c3; }
.submitting .btn-primary { cursor: progress; }