/* ===================================================================
   NPAir marketing site
   Palette pulled from the app icon (deep navy card, blue → cyan
   soundwave, purple accent used in the in-app Pro paywall gradient).
   =================================================================== */

:root {
  --bg: #05070d;
  --bg-2: #0a0e1a;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f8;
  --text-dim: #aab2c5;
  --text-faint: #6d7590;

  --blue: #3aa0ff;
  --cyan: #5ee7ff;
  --purple: #8b6bff;

  --accent-grad: linear-gradient(135deg, var(--blue), var(--purple));
  --accent-grad-2: linear-gradient(135deg, var(--cyan), var(--blue));

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.45);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- background ambience ---------- */

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg);
}

.bg-glow::before,
.bg-glow::after,
.bg-glow span {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.55;
}

.bg-glow::before {
  width: 640px;
  height: 640px;
  top: -220px;
  left: -160px;
  background: radial-gradient(circle at 30% 30%, var(--blue), transparent 70%);
}

.bg-glow::after {
  width: 580px;
  height: 580px;
  top: 120px;
  right: -220px;
  background: radial-gradient(circle at 70% 30%, var(--purple), transparent 70%);
  opacity: 0.4;
}

.bg-glow span {
  width: 520px;
  height: 520px;
  bottom: -260px;
  left: 30%;
  background: radial-gradient(circle at 50% 50%, var(--cyan), transparent 70%);
  opacity: 0.25;
}

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  background: rgba(5, 7, 13, 0.6);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-dim);
}

.nav-links a {
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  background: var(--panel);
}

.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.nav-toggle {
  display: none;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent-grad);
  color: #05070d;
  box-shadow: 0 8px 30px rgba(58, 160, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 10px 36px rgba(58, 160, 255, 0.5);
}

.btn-ghost {
  background: var(--panel);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--panel-strong);
}

.btn[disabled],
.btn.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
  transform: none !important;
}

.btn-small {
  padding: 9px 14px;
  font-size: 13px;
  border-radius: 10px;
}

/* ---------- hero ---------- */

.hero {
  padding: 96px 0 60px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(94, 231, 255, 0.1);
  border: 1px solid rgba(94, 231, 255, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 750;
}

h1 .grad {
  background: var(--accent-grad-2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero-note {
  font-size: 13px;
  color: var(--text-faint);
  max-width: 44ch;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
  font-size: 13px;
  color: var(--text-dim);
}

.trust-row span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.trust-row svg {
  width: 15px;
  height: 15px;
  color: var(--cyan);
  flex-shrink: 0;
}

/* ---------- app mockup ---------- */

.mockup-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.mockup-wrap::before {
  content: "";
  position: absolute;
  inset: -60px;
  background: radial-gradient(circle at 50% 40%, rgba(58, 160, 255, 0.22), transparent 65%);
  filter: blur(10px);
  z-index: -1;
}

.mockup {
  width: 360px;
  max-width: 100%;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(20, 24, 38, 0.92), rgba(10, 13, 22, 0.94));
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-soft), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  padding: 18px 18px 14px;
  backdrop-filter: blur(30px);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.mockup-now {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.mockup-art {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--accent-grad);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-art svg {
  width: 22px;
  height: 22px;
  color: rgba(5, 7, 13, 0.75);
}

.mockup-track-title {
  font-size: 13px;
  font-weight: 700;
}

.mockup-track-artist {
  font-size: 12px;
  color: var(--text-dim);
}

.mockup-progress {
  height: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
  margin: 12px 0 4px;
  overflow: hidden;
}

.mockup-progress i {
  display: block;
  height: 100%;
  width: 46%;
  border-radius: 3px;
  background: var(--accent-grad-2);
  animation: scrub 5s ease-in-out infinite alternate;
}

@keyframes scrub {
  from { width: 40%; }
  to { width: 54%; }
}

.mockup-times {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.mockup-transport {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-bottom: 16px;
}

.mockup-transport button {
  border: none;
  background: none;
  color: var(--text-dim);
  display: flex;
}

.mockup-transport svg {
  width: 16px;
  height: 16px;
}

.mockup-play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05070d !important;
}

.mockup-play svg {
  width: 16px;
  height: 16px;
}

.mockup-volume {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 11px;
  color: var(--text-dim);
}

.mockup-volume svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.mockup-slider {
  flex: 1;
  height: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
}

.mockup-slider i {
  position: absolute;
  inset: 0;
  width: 58%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.mockup-slider::after {
  content: "";
  position: absolute;
  left: 58%;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.mockup-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin: 4px 0 8px;
}

.mockup-rooms {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup-group {
  border: 1px solid rgba(94, 231, 255, 0.28);
  background: rgba(94, 231, 255, 0.06);
  border-radius: 12px;
  padding: 8px 10px;
}

.mockup-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.mockup-group-head span.tag {
  font-size: 9px;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(94, 231, 255, 0.15);
  padding: 2px 6px;
  border-radius: 6px;
}

.mockup-room-row {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  padding: 5px 0 5px 12px;
}

.mockup-room-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  opacity: 0.5;
  border-radius: 2px;
}

.mockup-room-name {
  font-size: 11.5px;
  flex: 1;
}

.mockup-room-badge {
  font-size: 8.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-dim);
}

.mockup-room-badge.host {
  background: var(--accent-grad);
  color: #05070d;
}

.mockup-mini-slider {
  width: 46px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  flex-shrink: 0;
}

.mockup-mini-slider i {
  position: absolute;
  inset: 0;
  border-radius: 2px;
  background: var(--text-dim);
}

.mockup-solo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- section shell ---------- */

section {
  padding: 90px 0;
  position: relative;
}

.section-head {
  max-width: 620px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head .eyebrow {
  margin-left: auto;
  margin-right: auto;
}

h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-weight: 750;
}

.section-head p {
  color: var(--text-dim);
  font-size: 16px;
  margin: 0;
}

/* ---------- feature grid ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--panel-strong);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.card-icon svg {
  width: 21px;
  height: 21px;
  color: #05070d;
}

.card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  font-weight: 700;
}

.card p {
  font-size: 13.5px;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.55;
}

.card .badge-pro {
  display: inline-block;
  margin-top: 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--purple);
  background: rgba(139, 107, 255, 0.14);
  border: 1px solid rgba(139, 107, 255, 0.3);
  padding: 3px 8px;
  border-radius: 6px;
}

/* ---------- native strip ---------- */

.native-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 13.5px;
  color: var(--text-dim);
}

.chip svg {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
}

.chip strong {
  color: var(--text);
  display: block;
  font-size: 13.5px;
}

/* ---------- privacy band ---------- */

.privacy-band {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(58, 160, 255, 0.08), rgba(139, 107, 255, 0.06));
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.privacy-band h2 {
  margin-bottom: 12px;
}

.privacy-band p.lead-sm {
  color: var(--text-dim);
  font-size: 15px;
  margin: 0;
  max-width: 42ch;
}

.privacy-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.privacy-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.privacy-item svg {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.privacy-item strong {
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

.privacy-item span {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- pricing ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 860px;
  margin: 0 auto;
}

.price-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.price-card.is-pro {
  border-color: rgba(139, 107, 255, 0.4);
  background: linear-gradient(160deg, rgba(139, 107, 255, 0.1), rgba(58, 160, 255, 0.05));
  position: relative;
  box-shadow: 0 0 0 1px rgba(139, 107, 255, 0.15), var(--shadow-soft);
}

.price-card.is-pro::before {
  content: "One-time purchase";
  position: absolute;
  top: -12px;
  right: 28px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #05070d;
  background: var(--accent-grad);
  padding: 5px 10px;
  border-radius: 7px;
}

.price-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.price-amount {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.price-amount small {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

.price-sub {
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.price-features li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  color: var(--text-dim);
}

.price-features li strong {
  color: var(--text);
  font-weight: 600;
}

.price-features svg {
  width: 16px;
  height: 16px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- faq ---------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 4px 20px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--text-dim);
  transition: transform 0.2s ease;
  margin-left: 12px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0 0 18px;
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- final cta ---------- */

.final-cta {
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(circle at 50% 0%, rgba(58, 160, 255, 0.14), rgba(255, 255, 255, 0.03));
  padding: 64px 32px;
}

.final-cta h2 {
  margin-bottom: 14px;
}

.final-cta p {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 auto 30px;
}

.final-cta .hero-actions {
  justify-content: center;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 26px;
}

.footer-links {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-fine {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}

/* ---------- responsive ---------- */

@media (max-width: 920px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .mockup-wrap {
    order: -1;
    margin-bottom: 10px;
  }

  .feature-grid,
  .native-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .privacy-band {
    grid-template-columns: 1fr;
    padding: 34px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .feature-grid,
  .native-strip {
    grid-template-columns: 1fr;
  }

  section {
    padding: 64px 0;
  }

  .hero {
    padding: 56px 0 40px;
  }

  .final-cta {
    padding: 44px 22px;
  }
}