/* ConductX marketing — Option D (Spotify-style Glass + teal) */
:root {
  --bg: #0b0d10;
  --bg-elevated: #12151a;
  --fg: #e8eaed;
  --muted: #9aa0a6;
  --muted-2: #6b7280;
  --accent: #1ed760;
  --accent-2: #2dd4bf;
  --accent-soft: rgba(30, 215, 96, 0.14);
  --accent-glow: rgba(45, 212, 191, 0.4);
  --card: rgba(21, 24, 29, 0.72);
  --card-solid: #15181d;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --max: 1080px;
  --nav-h: 64px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent-2);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #041018;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.75rem; top: 0.75rem; }

/* Ambient background glow */
.bg-glow {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.bg-glow::before,
.bg-glow::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}
.bg-glow::before {
  width: 520px;
  height: 520px;
  top: -140px;
  right: -100px;
  background: radial-gradient(circle, rgba(30, 215, 96, 0.22), transparent 70%);
}
.bg-glow::after {
  width: 420px;
  height: 420px;
  bottom: 8%;
  left: -120px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.16), transparent 70%);
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(11, 13, 16, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; color: var(--fg); }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 14px; height: 14px; color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.25rem 0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--fg);
  text-decoration: none;
}
.nav-cta {
  display: none;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--fg);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--nav-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
    background: rgba(11, 13, 16, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links .nav-cta {
    display: inline-flex;
    margin: 0.75rem 0 0;
    justify-content: center;
  }
}

@media (min-width: 761px) {
  .nav-cta {
    display: inline-flex;
    margin-left: 0.5rem;
  }
}

/* Layout helpers */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section {
  padding: 4.5rem 0;
}
.section-tight { padding: 3rem 0; }
.section-head {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  text-align: center;
}
.section-head h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #1ed760 0%, #2dd4bf 55%, #14b8a6 100%);
  color: #041018;
  box-shadow: 0 8px 28px rgba(30, 215, 96, 0.28);
}
.btn-primary:hover { color: #041018; }
.btn-ghost {
  background: var(--accent-soft);
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-ghost:hover { color: var(--fg); border-color: rgba(30, 215, 96, 0.45); }
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* Glass cards */
.glass {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

/* Hero D — Spotify-style */
.hero-d {
  padding: 3.25rem 0 2.5rem;
}
.hero-grid-d {
  display: grid;
  gap: 2.75rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid-d {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
  .hero-d { padding: 4.75rem 0 3.25rem; }
}
.hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--font);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
}
.hero-copy .lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

.hero-orb-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.orb-stage {
  position: relative;
  width: min(72vw, 320px);
  height: min(72vw, 320px);
  display: grid;
  place-items: center;
}
.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(45, 212, 191, 0.28);
  box-shadow: 0 0 40px rgba(30, 215, 96, 0.12);
}
.orb-ring-3 {
  inset: 0;
  background: radial-gradient(circle at 40% 35%, rgba(30, 215, 96, 0.12), transparent 55%);
  animation: orb-pulse 4.5s ease-in-out infinite;
}
.orb-ring-2 {
  inset: 12%;
  border-color: rgba(45, 212, 191, 0.4);
  background: radial-gradient(circle, rgba(45, 212, 191, 0.08), transparent 70%);
  animation: orb-pulse 4.5s ease-in-out infinite 0.35s;
}
.orb-ring-1 {
  inset: 26%;
  border-color: rgba(30, 215, 96, 0.55);
  background: radial-gradient(circle, rgba(30, 215, 96, 0.16), transparent 65%);
  animation: orb-pulse 4.5s ease-in-out infinite 0.7s;
}
.orb-core {
  position: relative;
  z-index: 2;
  width: 42%;
  height: 42%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 30%, #6ee7b7, #1ed760 45%, #0f766e 100%);
  box-shadow:
    0 0 0 6px rgba(30, 215, 96, 0.18),
    0 0 48px rgba(30, 215, 96, 0.55),
    0 16px 40px rgba(0, 0, 0, 0.45);
  color: #041018;
}
.orb-waves {
  width: 58%;
  height: auto;
}
@keyframes orb-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.035); opacity: 0.88; }
}

/* Under-orb tagline: same font as Hum it headline, bold+italic, ~+30% vs caption, generous gap */
.orb-tagline {
  margin: 2rem 0 0;
  max-width: 18rem;
  font-family: var(--font);
  font-size: clamp(1.35rem, 2.8vw, 1.7rem); /* ~30% above normal caption (~1.05rem) */
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--fg);
}

/* Feature cards under hero */
.feature-cards-d {
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 800px) {
  .feature-cards-d { grid-template-columns: repeat(3, 1fr); }
}
.feature-card-d {
  padding: 1.45rem 1.3rem 1.55rem;
  height: 100%;
}
.feature-card-d h3 {
  margin: 0 0 0.45rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}
.feature-card-d p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  margin-bottom: 1rem;
  color: var(--accent);
}
.feature-icon svg { width: 20px; height: 20px; }

/* Legacy phone / steps / features kept for privacy pages if needed */
.hero {
  padding: 3.25rem 0 2rem;
}
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.15rem, 5vw, 3.25rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}
.hero .tagline {
  margin: 0 0 1rem;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--accent);
  font-weight: 550;
  letter-spacing: -0.01em;
}
.hero .lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
}

.steps {
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}
.step {
  padding: 1.35rem 1.25rem 1.5rem;
  height: 100%;
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-strong);
}
.step h3 {
  margin: 0 0 0.45rem;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.features {
  display: grid;
  gap: 1rem;
}
@media (min-width: 700px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
.feature {
  padding: 1.35rem 1.2rem;
}
.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  letter-spacing: -0.015em;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: 2.5rem 1.5rem;
}
.cta-band h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: -0.03em;
}
.cta-band p {
  margin: 0 auto 1.5rem;
  color: var(--muted);
  max-width: 32rem;
}
.store-note {
  margin-top: 1.25rem;
  color: var(--muted-2);
  font-size: 0.9rem;
}

/* Legal / inner pages */
.page-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.25rem 1.25rem 4rem;
}
.page-main h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0 0 0.35rem;
  letter-spacing: -0.03em;
}
.page-main h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.6rem;
  letter-spacing: -0.01em;
}
.page-main h3 {
  font-size: 1rem;
  margin: 1.25rem 0 0.4rem;
  color: var(--accent);
}
.meta { color: var(--muted); font-size: 0.9rem; margin: 0.25rem 0; }
.page-main ul { padding-left: 1.2rem; }
.page-main li { margin: 0.35rem 0; }
.legal-card {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.2rem;
  margin: 1.15rem 0;
}
.legal-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.email-lg {
  font-size: 1.2rem;
  font-weight: 600;
  word-break: break-all;
}
.zh-block {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.zh-block h1 { font-size: 1.4rem; }
.zh-muted { color: var(--muted); font-size: 0.95rem; margin-top: 1.5rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
}
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); text-decoration: none; }

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