/* ==========================================================================
   Aitelz Voice , Brand & Design System (single source of truth)
   Premium, dark, high-end SaaS aesthetic. Zero external dependencies.
   Loaded by BOTH the marketing site and the product dashboard so they
   look like one funded product. Do not fork the tokens; extend here.
   No em dashes anywhere in this codebase. Use commas or periods.
   ========================================================================== */

:root {
  /* ---- Canvas & surfaces (deep ink, layered) ---- */
  --bg:        #06070A;
  --bg-2:      #0A0C12;
  --panel:     #0E1018;
  --panel-2:   #12141F;
  --raised:    #171A26;
  --line:      rgba(255,255,255,0.07);
  --line-2:    rgba(255,255,255,0.12);
  --line-strong: rgba(255,255,255,0.18);

  /* ---- Text ---- */
  --ink:       #F4F6FB;
  --ink-soft:  #C2C8D6;
  --ink-dim:   #8A91A6;
  --ink-faint: #5C6479;

  /* ---- Accent: electric "voltage" system (cyan -> indigo -> violet) ---- */
  --a-cyan:    #34E7E4;
  --a-sky:     #22D3EE;
  --a-indigo:  #6366F1;
  --a-violet:  #A855F7;
  --accent:    #6E7BFF;          /* the single solid accent */
  --accent-ink:#0A0C12;          /* text on accent */
  --grad-volt: linear-gradient(100deg, #34E7E4 0%, #22D3EE 22%, #6E7BFF 60%, #A855F7 100%);
  --grad-volt-soft: linear-gradient(100deg, rgba(52,231,228,0.16), rgba(110,123,255,0.16) 60%, rgba(168,85,247,0.16));

  /* ---- Value/economics signal (refined gold, used sparingly for ₹1 proof) ---- */
  --gold:      #F5C97B;
  --gold-deep: #C9933D;

  /* ---- Status ---- */
  --ok:        #34D399;
  --warn:      #FBBF24;
  --bad:       #FB7185;

  /* ---- Glow & shadow ---- */
  --glow-accent: 0 0 0 1px rgba(110,123,255,0.30), 0 12px 40px -8px rgba(110,123,255,0.45);
  --glow-soft:   0 0 60px -12px rgba(110,123,255,0.40);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 24px 60px -24px rgba(0,0,0,0.8);
  --shadow-pop:  0 30px 80px -28px rgba(0,0,0,0.92);

  /* ---- Type ---- */
  --font: "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;

  /* ---- Radii ---- */
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.55s;

  /* ---- Layout ---- */
  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 40px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: rgba(110,123,255,0.35); color: #fff; }
a { color: inherit; text-decoration: none; }
img, svg, canvas, video { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 640; letter-spacing: -0.03em; line-height: 1.02; }
p { margin: 0; }

/* ---- Premium scrollbar ---- */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1d2130; border-radius: 99px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #2a3046; }

/* ---- Display type scale (fluid) ---- */
.t-display { font-size: clamp(2.6rem, 6.2vw, 5.2rem); font-weight: 680; letter-spacing: -0.04em; line-height: 0.98; }
.t-h1 { font-size: clamp(2rem, 4.2vw, 3.3rem); letter-spacing: -0.035em; }
.t-h2 { font-size: clamp(1.55rem, 3vw, 2.4rem); letter-spacing: -0.03em; }
.t-h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); letter-spacing: -0.02em; }
.t-lead { font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--ink-soft); line-height: 1.5; }
.t-mono { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0; }
.t-eyebrow {
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim);
}

/* gradient text */
.grad-text {
  background: var(--grad-volt);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---- Layout primitives ---- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 11vw, 140px); position: relative; }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; }

/* ---- Buttons ---- */
.btn {
  --pad-y: 0.92em; --pad-x: 1.5em;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  padding: var(--pad-y) var(--pad-x);
  border-radius: var(--r-pill);
  font-weight: 560; font-size: 0.97rem; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, border-color 0.3s, color 0.3s;
  will-change: transform;
  position: relative; isolation: isolate;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  background: var(--grad-volt); color: #08101e;
  box-shadow: var(--glow-accent);
  font-weight: 600;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(110,123,255,0.5), 0 20px 50px -10px rgba(110,123,255,0.6); }
.btn-ghost {
  background: rgba(255,255,255,0.04); color: var(--ink);
  border-color: var(--line-2); backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: var(--line-strong); transform: translateY(-2px); }
.btn-quiet { background: transparent; color: var(--ink-soft); }
.btn-quiet:hover { color: var(--ink); background: rgba(255,255,255,0.05); }
.btn-lg { --pad-y: 1.08em; --pad-x: 1.9em; font-size: 1.03rem; }
.btn-sm { --pad-y: 0.6em; --pad-x: 1.05em; font-size: 0.85rem; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }

/* ---- Glass cards ---- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  position: relative;
}
.card-pad { padding: clamp(20px, 2.6vw, 34px); }
.card-glow::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: var(--grad-volt); opacity: 0; transition: opacity 0.4s var(--ease);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.card-glow:hover::before { opacity: 0.55; }

/* ---- Pills & badges ---- */
.pill {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.45em 0.9em; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.05); border: 1px solid var(--line-2);
  font-size: 0.8rem; color: var(--ink-soft); font-weight: 500;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.pill .dot.warn { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.pill .dot.bad  { background: var(--bad);  box-shadow: 0 0 10px var(--bad); }
.badge-gold {
  background: linear-gradient(180deg, rgba(245,201,123,0.16), rgba(201,147,61,0.08));
  border: 1px solid rgba(245,201,123,0.3); color: var(--gold);
}

/* ---- Inputs ---- */
.field { display: flex; flex-direction: column; gap: 0.5em; }
.field > label { font-size: 0.82rem; color: var(--ink-dim); font-weight: 500; letter-spacing: -0.01em; }
.input, .textarea, .select {
  width: 100%; background: var(--bg-2); color: var(--ink);
  border: 1px solid var(--line-2); border-radius: var(--r);
  padding: 0.82em 1em; outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: rgba(110,123,255,0.6);
  box-shadow: 0 0 0 4px rgba(110,123,255,0.14);
  background: var(--panel);
}
.textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
::placeholder { color: var(--ink-faint); }

/* ---- Backdrop atmosphere (radial glows + grid + grain) ---- */
.atmos { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.atmos .glow {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.atmos .g1 { width: 720px; height: 720px; top: -260px; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(110,123,255,0.35), transparent 62%); }
.atmos .g2 { width: 560px; height: 560px; top: 40%; left: -180px;
  background: radial-gradient(circle, rgba(52,231,228,0.18), transparent 65%); }
.atmos .g3 { width: 620px; height: 620px; bottom: -260px; right: -160px;
  background: radial-gradient(circle, rgba(168,85,247,0.20), transparent 65%); }
.grain::after {
  content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hairline-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  mask: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}

/* ---- Scroll reveal (content VISIBLE by default; JS only enhances) ---- */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal[data-d="1"] { transition-delay: 0.08s; }
html.js .reveal[data-d="2"] { transition-delay: 0.16s; }
html.js .reveal[data-d="3"] { transition-delay: 0.24s; }
html.js .reveal[data-d="4"] { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---- Utility ---- */
.muted { color: var(--ink-dim); }
.soft  { color: var(--ink-soft); }
.nowrap { white-space: nowrap; }
.hide { display: none !important; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.kbd { font-family: var(--mono); font-size: 0.78rem; background: var(--raised); border: 1px solid var(--line-2);
  border-bottom-width: 2px; border-radius: 7px; padding: 0.15em 0.5em; color: var(--ink-soft); }
.spin { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }