/* ============ Advige — base tokens, reset, background, logo ============ */
:root {
  --violet: #6e5bff;
  --violet-soft: #a78bfa;
  --blue: #4da3ff;
  --ink: #111827;
  --sec: #6b7280;
  --muted: #9ca3af;
  --border: #e5e7eb;
  --surface: #f8fafc;
  --white: #ffffff;
  --grad: linear-gradient(135deg, #6e5bff 0%, #4da3ff 100%);

  /* fluid type scale — clamps keep it right from 320px to 4k */
  --step--1: clamp(0.82rem, 0.78rem + 0.2vw, 0.95rem);
  --step-0: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --step-1: clamp(1.4rem, 1.1rem + 1.4vw, 2rem);
  --step-2: clamp(2rem, 1.4rem + 3vw, 3.6rem);
  --step-3: clamp(2.6rem, 1.6rem + 5vw, 5.5rem);

  --pad: clamp(1.25rem, 4vw, 4rem);
  --maxw: 1120px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fbfbfe;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100dvh;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: rgba(110, 91, 255, 0.18);
}

/* ---------- Fixed gradient background (drifting aura, stays put) ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: radial-gradient(
      1200px 800px at 50% -10%,
      rgba(110, 91, 255, 0.1),
      transparent 60%
    ),
    linear-gradient(180deg, #ffffff 0%, #fbfbfe 40%, #f6f5fe 100%);
}
.bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  will-change: transform;
  /* parallax offset driven by scroll (set in JS) */
  transform: translate3d(var(--px, 0), var(--py, 0), 0);
}
.bg .orb.v {
  width: 48vmax;
  height: 48vmax;
  left: -14vmax;
  top: -12vmax;
  background: radial-gradient(circle, rgba(110, 91, 255, 0.5), transparent 70%);
  animation: drift1 22s ease-in-out infinite alternate;
}
.bg .orb.b {
  width: 44vmax;
  height: 44vmax;
  right: -16vmax;
  top: 18vmax;
  background: radial-gradient(circle, rgba(77, 163, 255, 0.45), transparent 70%);
  animation: drift2 26s ease-in-out infinite alternate;
}
.bg .orb.s {
  width: 40vmax;
  height: 40vmax;
  left: 25vmax;
  bottom: -22vmax;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.4), transparent 70%);
  animation: drift3 30s ease-in-out infinite alternate;
}
/* faint grain for premium depth */
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.025;
  mix-blend-mode: multiply;
}

@keyframes drift1 {
  to {
    transform: translate3d(var(--px, 0), calc(var(--py, 0px) + 6vmax), 0)
      scale(1.08);
  }
}
@keyframes drift2 {
  to {
    transform: translate3d(var(--px, 0), calc(var(--py, 0px) - 5vmax), 0)
      scale(1.12);
  }
}
@keyframes drift3 {
  to {
    transform: translate3d(var(--px, 0), calc(var(--py, 0px) - 4vmax), 0)
      scale(1.06);
  }
}

/* ---------- Logo mark (gradient, no box) ---------- */
[data-logo] {
  display: inline-flex;
  line-height: 0;
}
[data-logo] .mark {
  width: 100%;
  height: auto; /* viewBox is tight to the mark → box hugs it, no dead space */
  display: block;
  overflow: visible;
}

/* ---------- Scroll progress bar ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
  background: var(--grad);
  z-index: 50;
  opacity: 0.9;
}

/* ---------- Shared UI atoms ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--sec);
  letter-spacing: 0.02em;
}
.pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 0 rgba(110, 91, 255, 0.5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(110, 91, 255, 0.45);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(110, 91, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(110, 91, 255, 0);
  }
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wordmark {
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* reveal-on-scroll base */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* Respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .bg .orb {
    animation: none !important;
  }
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .pill .dot {
    animation: none;
  }
}