/* ============================================================
   MusicTools — Landing page
   Palette coerente con l'app: tema scuro Spotify-like.
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-2: #060606;
  --bg-card: #161616;
  --bg-card-2: #1e1e1e;
  --border: #262626;
  --divider: #1f1f1f;
  --text: #ffffff;
  --text-muted: #a3a3a3;
  --text-dim: #707070;
  --accent: #1db954;
  --accent-dark: #137a37;
  --accent-glow: rgba(29, 185, 84, 0.35);

  --pink: #f472b6;
  --blue: #60a5fa;
  --amber: #fbbf24;
  --red: #f87171;
  --purple: #a78bfa;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 16px;
}

.nav-links {
  display: flex;
  gap: 26px;
  font-size: 14.5px;
  color: var(--text-muted);
}
.nav-links a:hover { color: var(--text); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  padding: 12px 22px;
  font-size: 14px;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:hover { background: #25d365; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card); border-color: #3a3a3a; }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 0% 0%, rgba(29, 185, 84, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(96, 165, 250, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 11px;
  border: 1px solid rgba(29, 185, 84, 0.35);
  border-radius: 999px;
  background: rgba(29, 185, 84, 0.08);
}
.eyebrow.center {
  display: block;
  width: max-content;
  margin: 0 auto;
}

.hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(36px, 5.2vw, 58px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.accent { color: var(--accent); }

.lead {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 0 28px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.hero-bullets li { display: flex; align-items: center; gap: 6px; }

/* ============================================================
   HERO MOCKUP
   ============================================================ */
.hero-art {
  position: relative;
  perspective: 1200px;
}

.mockup {
  width: 100%;
  max-width: 560px;
  margin-left: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: rotate3d(0, 1, 0, -6deg) translateY(0);
  transition: transform 0.4s ease;
}
.mockup:hover { transform: rotate3d(0, 1, 0, -3deg); }

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 14px;
  background: #111111;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.mockup-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-dim);
}

.mockup-body {
  display: grid;
  grid-template-columns: 168px 1fr;
  min-height: 380px;
}

.mockup-side {
  background: #111;
  border-right: 1px solid var(--border);
  padding: 16px 12px;
}

.ms-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
  padding: 0 6px;
}
.ms-brand span {
  width: 22px; height: 22px; border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; font-size: 12px;
}

.ms-nav { display: flex; flex-direction: column; gap: 2px; }
.ms-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 9px; border-radius: 8px;
  font-size: 12.5px; color: var(--text-muted);
}
.ms-item.active { background: rgba(29, 185, 84, 0.14); color: #fff; }
.ms-item span { width: 18px; text-align: center; font-size: 13px; }

.mockup-main { padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.mockup-hero {
  position: relative;
  padding: 18px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1db954 0%, #0e7a35 100%);
  color: #fff;
  overflow: hidden;
}
.mh-eyebrow { font-size: 9.5px; letter-spacing: 1.5px; font-weight: 800; opacity: 0.85; }
.mh-title { font-size: 17px; font-weight: 800; margin-top: 4px; }
.mh-sub { font-size: 11px; opacity: 0.85; margin-top: 3px; }
.mh-deco { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 36px; opacity: 0.3; }

.mockup-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 12px 14px;
}
.mc-label { font-size: 9.5px; letter-spacing: 0.8px; color: var(--text-dim); text-transform: uppercase; font-weight: 700; }
.mc-input {
  margin-top: 6px;
  padding: 8px 10px;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mockup-actions { display: flex; flex-direction: column; gap: 10px; }
.mc-btn.primary {
  background: var(--accent);
  color: #0a0a0a;
  font-size: 12px;
  font-weight: 700;
  padding: 9px 0;
  border-radius: 999px;
  text-align: center;
}
.mc-progress {
  height: 6px;
  border-radius: 999px;
  background: #0d0d0d;
  overflow: hidden;
}
.mc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #25d365);
  border-radius: inherit;
  animation: progress-pulse 2.5s ease-in-out infinite alternate;
}

@keyframes progress-pulse {
  0% { width: 40%; }
  100% { width: 78%; }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: clamp(28px, 3.8vw, 42px);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-align: center;
  margin: 14px 0 12px;
}

.section-lead {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 48px;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}
.feat:hover {
  transform: translateY(-4px);
  border-color: #383838;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

.feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.feat.green  .feat-icon { background: rgba(29, 185, 84, 0.16);  color: var(--accent); }
.feat.pink   .feat-icon { background: rgba(244, 114, 182, 0.16); color: var(--pink); }
.feat.blue   .feat-icon { background: rgba(96, 165, 250, 0.16);  color: var(--blue); }
.feat.amber  .feat-icon { background: rgba(251, 191, 36, 0.16);  color: var(--amber); }
.feat.red    .feat-icon { background: rgba(248, 113, 113, 0.16); color: var(--red); }
.feat.purple .feat-icon { background: rgba(167, 139, 250, 0.16); color: var(--purple); }

.feat h3 {
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 6px;
}

.feat p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 12px;
}

.how-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
}

.how-num {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 10px 24px var(--accent-glow);
}

.how-step h3 {
  font-size: 17px;
  margin: 0 0 6px;
  font-weight: 800;
}
.how-step p {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.price-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 36px 32px 32px;
  position: relative;
  text-align: center;
  box-shadow: 0 30px 80px rgba(29, 185, 84, 0.12);
}

.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0a0a0a;
  font-size: 11px;
  letter-spacing: 1px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
}

.price-name {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 14px 0 24px;
}
.price-amount {
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}
.price-currency { font-size: 26px; font-weight: 700; color: var(--text-muted); }
.price-once { font-size: 14px; color: var(--text-muted); margin-left: 8px; }

.price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  text-align: left;
}
.price-features li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--divider);
  font-size: 14.5px;
  color: var(--text-muted);
}
.price-features li:last-child { border-bottom: none; }
.price-features strong { color: var(--text); font-weight: 700; }

.price-note {
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 15.5px;
  position: relative;
  padding-right: 50px;
  transition: background 0.18s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--accent);
  font-weight: 400;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { background: var(--bg-card-2); }

.faq-item p {
  margin: 0;
  padding: 0 22px 18px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.6;
}
.faq-item code {
  background: var(--bg-card-2);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  color: var(--accent);
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta-final { padding: 60px 0 90px; }

.cta-box {
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(29, 185, 84, 0.2), transparent 70%),
    linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-2) 100%);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 56px 28px;
  max-width: 880px;
  margin: 0 auto;
}
.cta-box h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 900; margin: 0 0 8px; letter-spacing: -0.02em; }
.cta-box p { color: var(--text-muted); margin: 0 0 22px; font-size: 16px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 36px 0 30px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
}
.footer-by { color: var(--text-dim); font-weight: 400; }

.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--divider);
  padding-top: 16px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .hero { padding: 60px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { display: none; }      /* su mobile nascondiamo il mockup */
  .nav-links { display: none; }

  .section { padding: 70px 0; }

  .how-grid { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-cta .btn { width: 100%; }
  .price-amount { font-size: 52px; }
}

/* ============================================================
   ANIMAZIONI SCROLL
   ============================================================ */
.nav.scrolled { box-shadow: 0 1px 0 var(--border), 0 8px 24px rgba(0,0,0,0.4); }

.feat, .how-step, .price-card, .faq-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.feat.in-view, .how-step.in-view, .price-card.in-view, .faq-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .feat, .how-step, .price-card, .faq-item {
    opacity: 1; transform: none; transition: none;
  }
  .mockup { transform: none !important; }
  .mc-progress-fill { animation: none !important; width: 64% !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   USE POLICY BOX
   ============================================================ */
.use-policy {
  max-width: 720px;
  margin: 50px auto 0;
  padding: 26px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 14px;
}

.use-policy h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}

.use-policy p {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.use-points {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
}

.use-points li {
  font-size: 13px;
  color: var(--text-muted);
}

.use-fineprint {
  margin: 8px 0 0 !important;
  font-size: 12.5px !important;
  color: var(--text-dim) !important;
}
.use-fineprint a { color: var(--accent); }

@media (max-width: 640px) {
  .use-points { grid-template-columns: 1fr; }
}

.price-consent {
  font-size: 11.5px !important;
  color: var(--text-dim) !important;
  margin: 12px 0 0 !important;
  line-height: 1.5 !important;
}
.price-consent a { color: var(--text-muted); text-decoration: underline; }
.price-consent a:hover { color: var(--accent); }