/* =========================================================================
   conniechan.ai — teaser landing page
   Design direction: stealth frontier-AI lab. Dark, premium, atmospheric.
   Palette is deliberately tech (indigo / cyan), NOT campaign colors — this
   has to read as a real AI startup. See brand/BRAND.md.
   ========================================================================= */

:root {
  /* Surfaces */
  --color-bg: #06070d;
  --color-bg-soft: #0b0d18;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-border: rgba(255, 255, 255, 0.10);

  /* Text */
  --color-text: oklch(96% 0.01 260);
  --color-muted: oklch(72% 0.02 260);
  --color-faint: oklch(58% 0.02 260);

  /* Accents (the "AI lab" gradient) */
  --color-indigo: #6d6cff;
  --color-violet: #9a6cff;
  --color-cyan: #46e6ff;

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --text-eyebrow: 0.8125rem;
  --text-lede: clamp(1.0625rem, 0.95rem + 0.5vw, 1.3125rem);
  --text-hero: clamp(2.75rem, 1.4rem + 6vw, 6.5rem);

  /* Space */
  --space-edge: clamp(1.25rem, 0.8rem + 2vw, 3rem);

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-normal: 320ms;
}

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

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

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Atmospheric field ---------- */
.field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, var(--color-bg-soft), transparent 60%),
    var(--color-bg);
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}

.orb--a {
  width: 46vmax;
  height: 46vmax;
  top: -14vmax;
  left: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-indigo), transparent 70%);
  transform: translateX(-60%);
  animation: drift-a 22s var(--ease-out-expo) infinite alternate;
}

.orb--b {
  width: 38vmax;
  height: 38vmax;
  bottom: -16vmax;
  right: -6vmax;
  background: radial-gradient(circle at 60% 40%, var(--color-cyan), transparent 70%);
  opacity: 0.35;
  animation: drift-b 26s var(--ease-out-expo) infinite alternate;
}

.grain {
  position: absolute;
  inset: 0;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes drift-a {
  from { transform: translateX(-60%) translateY(0) scale(1); }
  to   { transform: translateX(-44%) translateY(4vmax) scale(1.08); }
}
@keyframes drift-b {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-5vmax) scale(1.12); }
}

/* ---------- Layout shell ---------- */
.topbar,
.stage,
.footer {
  position: relative;
  z-index: 1;
  padding-inline: var(--space-edge);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: clamp(1.25rem, 1rem + 1vw, 2rem);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.wordmark__dot {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-indigo));
  box-shadow: 0 0 16px rgba(109, 108, 255, 0.7);
}

.wordmark__tld {
  color: var(--color-muted);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  backdrop-filter: blur(8px);
}

.status__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 0 rgba(70, 230, 255, 0.6);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(70, 230, 255, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(70, 230, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(70, 230, 255, 0); }
}

/* ---------- Hero ---------- */
.stage {
  flex: 1;
  display: grid;
  place-items: center;
  text-align: center;
}

.hero {
  max-width: 56rem;
  padding-block: clamp(3rem, 2rem + 6vw, 7rem);
  animation: rise var(--duration-normal) var(--ease-out-expo) both;
}

.eyebrow {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-faint);
}

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-hero);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.hero__accent {
  background: linear-gradient(100deg, var(--color-cyan), var(--color-indigo) 55%, var(--color-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  margin: 1.75rem auto 0;
  max-width: 34rem;
  font-size: var(--text-lede);
  color: var(--color-muted);
}

/* ---------- Waitlist ---------- */
.waitlist {
  margin: 2.5rem auto 0;
  display: flex;
  gap: 0.5rem;
  max-width: 30rem;
  padding: 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  transition: border-color var(--duration-normal) var(--ease-out-expo);
}

.waitlist:focus-within {
  border-color: rgba(109, 108, 255, 0.6);
}

.waitlist__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
}

.waitlist__input::placeholder {
  color: var(--color-faint);
}

.waitlist__input:focus {
  outline: none;
}

.waitlist__btn {
  flex-shrink: 0;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: #07080f;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-indigo));
  cursor: pointer;
  transition: transform 150ms var(--ease-out-expo), filter 150ms var(--ease-out-expo);
}

.waitlist__btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.waitlist__btn:active {
  transform: translateY(0);
}

.waitlist__btn:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

.waitlist__note {
  margin: 1rem auto 0;
  font-size: 0.875rem;
  color: var(--color-faint);
  min-height: 1.4em;
}

.waitlist__note.is-success {
  color: var(--color-cyan);
}

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding-block: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.footer__tease {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--color-muted);
  letter-spacing: -0.01em;
}

.footer__legal {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-faint);
  letter-spacing: 0.01em;
}

/* Required campaign disclaimer — kept clear and legible (FEC: clear & conspicuous). */
.footer__disclaimer {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.01em;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .waitlist {
    flex-direction: column;
  }
  .waitlist__input {
    padding-block: 0.85rem; /* >=44px comfortable tap target */
  }
  .waitlist__btn {
    width: 100%;
    padding-block: 0.85rem;
  }
  .status {
    display: none;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .orb,
  .status__pulse,
  .hero {
    animation: none;
  }
  .waitlist__btn,
  .waitlist {
    transition: none;
  }
}