/* ============================================================
   Voxalus — one-page site
   Design tokens
   ============================================================ */
:root {
  --bg:          #05060f;
  --bg-2:        #0a0c1a;
  --panel:       #0e1122;
  --panel-2:     #11152b;
  --border:      rgba(255, 255, 255, 0.08);
  --border-2:    rgba(120, 140, 255, 0.18);
  --text:        #eef1ff;
  --muted:       #9aa3c7;
  --muted-2:     #6e779b;
  --blue:        #5b8cff;
  --purple:      #a855f7;
  --green:       #34d399;
  --grad:        linear-gradient(135deg, #5b8cff 0%, #a855f7 100%);
  --grad-soft:   linear-gradient(135deg, rgba(91,140,255,0.18), rgba(168,85,247,0.18));
  --radius:      16px;
  --radius-sm:   10px;
  --maxw:        1180px;
  --shadow:      0 24px 60px -20px rgba(10, 14, 40, 0.8);
  --ring:        0 0 0 3px rgba(91, 140, 255, 0.55);
}

/* ============================================================
   Base / reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -0.02em; }
p { margin: 0; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

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

/* Accessibility helpers */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  background: var(--grad);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  z-index: 200;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 6px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  padding: 14px 22px;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -12px rgba(124, 92, 255, 0.8);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 6, 15, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.brand-mark { display: inline-flex; }

.primary-nav { display: flex; align-items: center; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-menu a { color: var(--muted); font-weight: 500; font-size: 15px; transition: color 0.15s ease; }
.nav-menu a:hover { color: var(--text); }
.nav-cta a { color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle-bar {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 120%;
  background:
    radial-gradient(48% 40% at 22% 18%, rgba(91, 140, 255, 0.22), transparent 70%),
    radial-gradient(45% 45% at 80% 8%, rgba(168, 85, 247, 0.20), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  will-change: transform;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  padding-block: 96px 80px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); font-weight: 800; }
.lede {
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 38ch;
}

.feature-list {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}
.feature-list li {
  position: relative;
  padding-left: 34px;
  color: #d7dcf5;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 2px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad-soft);
  border: 1px solid var(--border-2);
}
.feature-list li::after {
  content: "";
  position: absolute;
  left: 8px; top: 8px;
  width: 6px; height: 10px;
  border: solid var(--blue);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Hero visual */
.hero-visual { position: relative; will-change: transform; }
.call-card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
  max-width: 360px;
  margin-inline: auto;
}
.call-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.live-dot { display: inline-flex; align-items: center; gap: 8px; }
.live-dot .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.orb {
  width: 132px; height: 132px;
  margin: 26px auto 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 45%, rgba(91,140,255,0.35), transparent 60%),
    conic-gradient(from 180deg, #5b8cff, #a855f7, #5b8cff);
  box-shadow: 0 0 50px -8px rgba(124, 92, 255, 0.7);
  animation: float 6s ease-in-out infinite;
}
.orb-core {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, #1a2150, #070a18);
  display: grid; place-items: center;
}
.orb-core::after {
  content: "⠿";
  font-size: 34px;
  color: #cdd6ff;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.agent-name { text-align: center; font-weight: 700; margin-top: 4px; }
.agent-status {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.typing { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); box-shadow: 10px 0 var(--purple), 20px 0 var(--blue); animation: blink 1.4s infinite; }
@keyframes blink { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

.transcript {
  margin-top: 18px;
  display: grid;
  gap: 10px;
  max-height: 210px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, #000 78%, transparent);
  mask-image: linear-gradient(180deg, #000 78%, transparent);
}
.msg {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}
.msg-meta {
  display: flex; justify-content: space-between;
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 4px;
}
.msg.caller .msg-meta { color: var(--purple); }
.msg-body { font-size: 13px; color: #d7dcf5; }

.call-controls {
  display: flex; justify-content: center; gap: 16px;
  margin-top: 16px;
}
.ctrl {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  font-size: 16px;
}
.ctrl-end { background: #ef4444; border-color: transparent; }

/* Outcome cards */
.outcomes {
  position: absolute;
  top: 6%;
  right: -14px;
  width: 232px;
  display: grid;
  gap: 12px;
}
.outcome {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(14, 17, 34, 0.92);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.outcome-ico {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--grad-soft);
  border: 1px solid var(--border-2);
}
.outcome-text { display: grid; gap: 2px; font-size: 13px; }
.outcome-text strong { font-weight: 600; }
.outcome-text span { color: var(--muted); font-size: 12px; }
.tag {
  font-style: normal;
  color: var(--green);
  background: rgba(52,211,153,0.12);
  padding: 1px 6px; border-radius: 6px; font-size: 11px;
}

.waveform {
  position: relative;
  height: 90px;
  margin-top: -10px;
  background:
    repeating-linear-gradient(90deg, transparent 0 6px, rgba(124,92,255,0.0) 6px 8px),
    radial-gradient(60% 100% at 18% 100%, rgba(91,140,255,0.25), transparent 70%);
  -webkit-mask: radial-gradient(70% 120% at 18% 0%, #000 30%, transparent 72%);
  mask: radial-gradient(70% 120% at 18% 0%, #000 30%, transparent 72%);
  will-change: transform;
}

/* ============================================================
   Trusted by
   ============================================================ */
.trusted { border-top: 1px solid var(--border); padding-block: 56px; background: var(--bg-2); }
.trusted-title {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted-2);
  margin-bottom: 34px;
}
.logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 56px;
}
.logos li {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.12em;
  color: #c3c9e6;
  opacity: 0.62;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
}
.logos li span {
  display: block;
  font-size: 9px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--muted-2);
  text-align: center;
  margin-top: 2px;
}
.logos li:hover { opacity: 1; }

/* ============================================================
   How it works
   ============================================================ */
.how { padding-block: 96px; background: var(--bg); }
.section-heading {
  text-align: center;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 56px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  position: relative;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
}
.step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -16px; top: 54px;
  color: var(--purple);
  font-size: 18px;
  z-index: 2;
}
.step-ico {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid var(--border-2);
  font-size: 24px;
  margin-bottom: 18px;
}
.step-num {
  position: absolute;
  top: 26px; right: 24px;
  color: var(--muted-2);
  font-weight: 800;
  font-size: 14px;
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ============================================================
   CTA / waitlist
   ============================================================ */
.cta { padding-block: 0 96px; }
.cta-panel {
  background:
    radial-gradient(60% 120% at 0% 0%, rgba(91,140,255,0.18), transparent 60%),
    radial-gradient(60% 120% at 100% 100%, rgba(168,85,247,0.18), transparent 60%),
    var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-panel h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; }

.waitlist-form { width: 100%; }
.field {
  display: flex;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px;
}
.field:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91,140,255,0.25); }
.field input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--text);
  font: inherit;
  padding: 12px 14px;
  min-width: 0;
}
.field input::placeholder { color: var(--muted-2); }
.field input:focus { outline: none; }

.btn-submit { position: relative; white-space: nowrap; }
.btn-spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.waitlist-form.is-loading .btn-spinner { display: inline-block; }
.waitlist-form.is-loading .btn-label { opacity: 0.7; }
.waitlist-form.is-loading .btn-submit { pointer-events: none; }

.field-error {
  color: #fca5a5;
  font-size: 0.86rem;
  margin-top: 10px;
}
.field.has-error { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.2); }
.privacy { color: var(--muted); font-size: 0.86rem; margin-top: 14px; }

.form-status.is-success {
  position: static; width: auto; height: auto; clip: auto;
  margin-top: 14px; color: var(--green); font-weight: 600;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); }
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-block: 36px;
}
.footer-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-nav a { color: var(--muted); font-size: 14px; }
.footer-nav a:hover { color: var(--text); }
.socials { display: flex; gap: 12px; }
.socials a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 700;
}
.socials a:hover { color: var(--text); border-color: var(--border-2); }
.footer-legal {
  border-top: 1px solid var(--border);
  padding-block: 20px;
  color: var(--muted-2);
  font-size: 13px;
  text-align: center;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 64px; padding-block: 64px 56px; }
  .hero-visual { max-width: 420px; margin-inline: auto; }
  .outcomes { position: static; width: 100%; margin-top: 22px; grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:not(:last-child)::after { display: none; }
  .cta-panel { grid-template-columns: 1fr; padding: 36px 28px; }
}

@media (max-width: 760px) {
  /* Mobile nav */
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg);
    box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .nav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-menu a { padding: 10px 4px; font-size: 16px; }
  .nav-cta { margin-top: 8px; }
  .nav-cta a { width: 100%; }
}

@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .outcomes { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .field { flex-direction: column; }
  .btn-submit { width: 100%; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Reduced motion — honor user preference (ADA)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-parallax] { transform: none !important; }
}