:root {
  --frequency-night: #07101f;
  --frequency-night-2: #0b1830;
  --frequency-ink: #121a2b;
  --frequency-text: #344054;
  --frequency-muted: #9aa8bd;
  --frequency-soft: #f5f7fb;
  --frequency-line: rgba(18, 26, 43, .10);
  --frequency-white: #ffffff;
  --frequency-cyan: #19d3f3;
  --frequency-blue: #2678ff;
  --frequency-purple: #7c3cff;
  --frequency-pink: #ff2b86;
  --frequency-gradient: linear-gradient(135deg, #ff2b86 0%, #7c3cff 48%, #19d3f3 100%);
  --frequency-radius-lg: 30px;
  --frequency-radius-md: 22px;
  --frequency-shadow-soft: 0 18px 50px rgba(7, 16, 31, .10);
  --frequency-shadow-strong: 0 30px 90px rgba(7, 16, 31, .22);
}

.frequency-site,
.frequency-site * { box-sizing: border-box; }

.frequency-site {
  color: var(--frequency-text);
  background: #fff;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.frequency-container {
  width: min(1140px, calc(100% - 48px));
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

.frequency-section {
  position: relative;
  padding: clamp(72px, 7vw, 104px) 0;
}

.frequency-section h1,
.frequency-section h2,
.frequency-section h3,
.frequency-section p { margin-top: 0; }

.frequency-section h1,
.frequency-section h2,
.frequency-section h3 {
  color: var(--frequency-ink);
  font-weight: 850;
  letter-spacing: -0.035em;
}

.frequency-section h1 {
  max-width: 780px;
  font-size: clamp(42px, 5.6vw, 68px);
  line-height: 1.04;
  margin-bottom: 22px;
}

.frequency-section h2 {
  font-size: clamp(32px, 4.1vw, 50px);
  line-height: 1.08;
  margin-bottom: 16px;
}

.frequency-section h3 {
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.22;
  margin-bottom: 10px;
}

.frequency-section p {
  font-size: 16px;
  line-height: 1.68;
  color: var(--frequency-text);
  margin-bottom: 0;
}

.frequency-lead {
  font-size: clamp(18px, 1.7vw, 21px) !important;
  line-height: 1.65 !important;
}

.frequency-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--frequency-cyan);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  line-height: 1;
  font-weight: 900;
  margin-bottom: 18px;
}

.frequency-kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  border-radius: 99px;
  background: var(--frequency-gradient);
}

.frequency-section-head {
  max-width: 760px;
  margin: 0 auto clamp(34px, 4.2vw, 54px);
  text-align: center;
}

.frequency-section-head-left {
  max-width: 700px;
  margin-left: 0;
  text-align: left;
}

.frequency-section-head p {
  max-width: 680px;
  margin-inline: auto;
}

.frequency-section-head-left p { margin-left: 0; }

.frequency-dark {
  color: #fff;
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 43, 134, .22), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(25, 211, 243, .18), transparent 28%),
    linear-gradient(135deg, var(--frequency-night) 0%, var(--frequency-night-2) 100%);
}

.frequency-dark h1,
.frequency-dark h2,
.frequency-dark h3 { color: #fff; }
.frequency-dark p { color: #c2ccdc; }

/* HERO */
.frequency-hero {
  min-height: min(760px, 92vh);
  display: flex;
  align-items: center;
  padding: clamp(88px, 9vw, 132px) 0 clamp(82px, 8vw, 112px);
  color: #fff;
  background:
    radial-gradient(circle at 75% 28%, rgba(25, 211, 243, .18), transparent 33%),
    radial-gradient(circle at 22% 70%, rgba(255, 43, 134, .17), transparent 35%),
    linear-gradient(135deg, #050b17 0%, #0c1931 100%);
}

.frequency-hero h1 { color: #fff; }
.frequency-hero .frequency-lead { color: #c8d4e8; max-width: 680px; }

.frequency-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  gap: clamp(42px, 5vw, 72px);
  align-items: center;
}

.frequency-hero-copy { max-width: 780px; }

.frequency-hero-noise {
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

.frequency-bg-orb {
  position: absolute;
  width: 320px;
  height: 320px;
  filter: blur(72px);
  opacity: .48;
  border-radius: 50%;
  pointer-events: none;
}

.frequency-bg-orb-one { background: var(--frequency-pink); left: -120px; bottom: 110px; }
.frequency-bg-orb-two { background: var(--frequency-cyan); right: -150px; top: 100px; }

.frequency-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.frequency-actions-center { justify-content: center; }

.frequency-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  text-decoration: none !important;
  font-size: 15px;
  line-height: 1;
  font-weight: 850;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}

.frequency-btn:hover { transform: translateY(-2px); }
.frequency-btn-primary { color: #fff !important; background: var(--frequency-gradient); box-shadow: 0 14px 36px rgba(255, 43, 134, .24); }
.frequency-btn-secondary { color: #fff !important; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.075); }
.frequency-btn-secondary:hover { border-color: rgba(255,255,255,.44); background: rgba(255,255,255,.12); }

.frequency-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.frequency-hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border-radius: 999px;
  color: #dbe7f7;
  font-size: 13px;
  font-weight: 750;
  background: rgba(255,255,255,.075);
  border: 1px solid rgba(255,255,255,.10);
}

.frequency-hero-panel {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.frequency-logo-card {
  width: min(360px, 78vw);
  aspect-ratio: 1;
  border-radius: 34px;
  padding: 18px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--frequency-shadow-strong), inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
  transform: rotate(-2deg);
}

.frequency-logo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  display: block;
}

.frequency-floating-card {
  position: absolute;
  border-radius: 18px;
  padding: 13px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 850;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 20px 50px rgba(0,0,0,.20);
  backdrop-filter: blur(14px);
}

.frequency-floating-card-one { left: 8px; bottom: 68px; }
.frequency-floating-card-two { right: 0; top: 68px; }

/* CARDS & GRIDS */
.frequency-intro { background: #fff; }

.frequency-two-cards,
.frequency-three-cards,
.frequency-feature-grid,
.frequency-course-grid,
.frequency-step-grid {
  display: grid;
  gap: 22px;
}

.frequency-two-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.frequency-three-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.frequency-feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.frequency-step-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.frequency-course-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.frequency-path-card,
.frequency-course-card,
.frequency-step-grid article,
.frequency-feature-grid article,
.frequency-three-cards article {
  position: relative;
  overflow: hidden;
  border-radius: var(--frequency-radius-md);
  border: 1px solid var(--frequency-line);
  background: #fff;
  box-shadow: var(--frequency-shadow-soft);
}

.frequency-path-card {
  min-height: 270px;
  padding: clamp(26px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.frequency-path-card::after,
.frequency-course-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  background: var(--frequency-gradient);
}

.frequency-path-card a,
.frequency-inline-link {
  color: var(--frequency-blue);
  font-weight: 900;
  text-decoration: none !important;
}

.frequency-path-card a::after,
.frequency-inline-link::after { content: " →"; }

.frequency-card-icon,
.frequency-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: 16px;
  margin-bottom: 22px;
  color: #fff;
  font-size: 21px;
  line-height: 1;
  font-weight: 950;
  background: var(--frequency-gradient);
}

.frequency-path-card-music .frequency-card-icon,
.frequency-music-card .frequency-mini-icon { background: linear-gradient(135deg, var(--frequency-pink), var(--frequency-purple)); }
.frequency-path-card-language .frequency-card-icon,
.frequency-language-card .frequency-mini-icon { background: linear-gradient(135deg, var(--frequency-blue), var(--frequency-cyan)); }

.frequency-courses-block { padding-top: clamp(76px, 7vw, 108px); }

.frequency-course-card {
  min-height: 215px;
  padding: 26px 22px 24px;
}

.frequency-course-card h3 { font-size: 21px; }
.frequency-course-card p { font-size: 15px; line-height: 1.58; }

.frequency-dark .frequency-course-card,
.frequency-dark .frequency-feature-grid article {
  color: #fff;
  background: rgba(255,255,255,.065);
  border-color: rgba(255,255,255,.12);
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.frequency-dark .frequency-course-card h3,
.frequency-dark .frequency-feature-grid article h3 { color: #fff; }
.frequency-dark .frequency-course-card p,
.frequency-dark .frequency-feature-grid article p { color: #c5d0e2; }

/* PROCESS */
.frequency-process,
.frequency-audience { background: var(--frequency-soft); }

.frequency-step-grid article {
  padding: 30px 24px;
  min-height: 238px;
}

.frequency-step-grid article span {
  display: block;
  font-size: 38px;
  line-height: .95;
  font-weight: 950;
  letter-spacing: -0.06em;
  margin-bottom: 18px;
  background: var(--frequency-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.frequency-step-grid article p { font-size: 15px; line-height: 1.6; }

/* METHOD */
.frequency-method { background: #fff; }
.frequency-split {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(38px, 5vw, 70px);
  align-items: center;
}

.frequency-method-copy p { font-size: 17px; }
.frequency-method-copy .frequency-inline-link { display: inline-block; margin-top: 24px; }

.frequency-check-list {
  display: grid;
  gap: 14px;
}

.frequency-check-list p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--frequency-soft);
  color: var(--frequency-ink);
  font-weight: 850;
  line-height: 1.35;
}

.frequency-check-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  background: var(--frequency-gradient);
}

.frequency-feature-grid article,
.frequency-three-cards article { padding: 28px 24px; }
.frequency-feature-grid article p,
.frequency-three-cards article p { font-size: 15px; line-height: 1.62; }

/* FAQ & CTA */
.frequency-faq-split { align-items: start; }

.frequency-faq-list details {
  background: #fff;
  border: 1px solid var(--frequency-line);
  border-radius: 18px;
  padding: 0;
  margin-bottom: 14px;
  box-shadow: 0 10px 30px rgba(7, 16, 31, .055);
  overflow: hidden;
}

.frequency-faq-list summary {
  cursor: pointer;
  padding: 19px 22px;
  color: var(--frequency-ink);
  font-weight: 900;
  list-style: none;
}

.frequency-faq-list summary::-webkit-details-marker { display: none; }
.frequency-faq-list summary::after { content: "+"; float: right; color: var(--frequency-purple); font-weight: 950; }
.frequency-faq-list details[open] summary::after { content: "–"; }
.frequency-faq-list p { padding: 0 22px 20px; font-size: 15px; line-height: 1.58; }

.frequency-final-cta {
  padding: clamp(80px, 8vw, 116px) 0;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 43, 134, .24), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(25, 211, 243, .20), transparent 32%),
    linear-gradient(135deg, #050b17 0%, #0c1931 100%);
}

.frequency-cta-box {
  max-width: 850px;
}

.frequency-final-cta h2 { color: #fff; }
.frequency-final-cta p { max-width: 660px; margin-inline: auto; color: #c8d4e8; font-size: 18px; }
.frequency-final-cta small { display: block; margin-top: 22px; color: #91a1b8; }

/* Helper classes da usare anche nei blocchi Masco/Elementor */
.frequency-gradient-text { background: var(--frequency-gradient); -webkit-background-clip: text; background-clip: text; color: transparent !important; }
.frequency-glass-card { background: rgba(255,255,255,.08) !important; border: 1px solid rgba(255,255,255,.14) !important; backdrop-filter: blur(12px); }
.frequency-section-dark { background: var(--frequency-night) !important; color: #fff !important; }
.frequency-section-dark h1,
.frequency-section-dark h2,
.frequency-section-dark h3 { color: #fff !important; }
.frequency-section-dark p { color: var(--frequency-muted) !important; }
.frequency-rounded { border-radius: var(--frequency-radius-lg) !important; }
.frequency-button a,
.frequency-button .elementor-button { background: var(--frequency-gradient) !important; color: #fff !important; border-radius: 999px !important; font-weight: 850 !important; }
.frequency-outline-button a,
.frequency-outline-button .elementor-button { background: transparent !important; color: #fff !important; border: 1px solid rgba(255,255,255,.28) !important; border-radius: 999px !important; font-weight: 850 !important; }
.frequency-music-card-manual { border-top: 5px solid var(--frequency-pink) !important; }
.frequency-language-card-manual { border-top: 5px solid var(--frequency-cyan) !important; }

@media (max-width: 1180px) {
  .frequency-course-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .frequency-feature-grid,
  .frequency-step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .frequency-container { width: min(100% - 36px, 1140px); }
  .frequency-hero { min-height: auto; }
  .frequency-hero-grid,
  .frequency-split,
  .frequency-two-cards,
  .frequency-three-cards { grid-template-columns: 1fr; }
  .frequency-hero-panel { min-height: 360px; order: -1; }
  .frequency-logo-card { width: min(300px, 74vw); }
  .frequency-floating-card { display: none; }
  .frequency-section-head,
  .frequency-section-head-left { text-align: left; margin-left: 0; margin-right: 0; }
  .frequency-section-head p { margin-left: 0; }
}

@media (max-width: 620px) {
  .frequency-container { width: min(100% - 28px, 1140px); }
  .frequency-section { padding: 64px 0; }
  .frequency-hero { padding: 72px 0; }
  .frequency-section h1 { font-size: clamp(38px, 11vw, 46px); letter-spacing: -0.045em; }
  .frequency-section h2 { font-size: clamp(29px, 9vw, 36px); }
  .frequency-course-grid,
  .frequency-feature-grid,
  .frequency-step-grid { grid-template-columns: 1fr; }
  .frequency-path-card,
  .frequency-course-card,
  .frequency-step-grid article,
  .frequency-feature-grid article,
  .frequency-three-cards article { padding: 24px; min-height: auto; }
  .frequency-actions { width: 100%; }
  .frequency-btn { width: 100%; min-height: 52px; }
  .frequency-hero-points span { width: 100%; justify-content: center; }
  .frequency-logo-card { border-radius: 26px; padding: 14px; }
  .frequency-logo-card img { border-radius: 18px; }
}