/* ============================================================
   LA MUSICALINERA — Design System v2 (light · teal)
   Brand: teal + ink over white. Clean, pro, logo-driven.
   Display: Montserrat (brand) · Body: Inter
   ============================================================ */

:root {
  /* Brand */
  --teal: #12a59a;
  --teal-deep: #0e6e65;
  --teal-dark: #0a5650;
  --teal-soft: #e2f5f3;
  --teal-softer: #f0f8f7;
  --teal-bright: #35c4b8;

  /* Ink & surfaces */
  --ink: #1e2321;
  --ink-2: #262c29;
  --ink-3: #2f3633;
  --paper: #ffffff;
  --paper-2: #f4f7f6;
  --paper-3: #e9efed;

  /* Text */
  --text: #1e2321;
  --muted: #5a6460;
  --on-ink: #eef1f0;
  --on-ink-muted: #a9b5b1;

  /* Borders */
  --border: #e2e8e6;
  --border-ink: #3a443f;

  --shadow-sm: 0 1px 2px rgba(30, 35, 33, 0.06);
  --shadow-md: 0 12px 32px -14px rgba(14, 110, 101, 0.28);
  --shadow-lg: 0 32px 64px -28px rgba(10, 86, 80, 0.38);

  --radius: 18px;
  --radius-sm: 12px;
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

/* ============ RESET / BASE ============ */
*, *::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;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  color: var(--ink);
  text-wrap: balance;
}
p { margin: 0 0 1.1em; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--teal); color: var(--paper); }

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

/* ============ TYPOGRAPHIC HELPERS ============ */
.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 1rem;
}
.display { font-size: clamp(2.3rem, 5.4vw, 4.2rem); }
.h1-page { font-size: clamp(2.05rem, 4.2vw, 3.3rem); }
.lead { font-size: clamp(1.12rem, 1.55vw, 1.32rem); color: var(--muted); line-height: 1.55; }
.muted { color: var(--muted); }
.small { font-size: 0.92rem; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font: 700 1rem/1.2 'Inter', sans-serif;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--teal-deep); color: var(--paper); }
.btn-primary:hover { background: var(--teal); color: var(--paper); text-decoration: none; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: #c9d4d0; }
.btn-ghost:hover { border-color: var(--teal-deep); color: var(--teal-deep); text-decoration: none; }
.btn-ghost-dark { background: transparent; color: var(--text); border-color: #d3dcd8; }
.btn-ghost-dark:hover { border-color: var(--ink); text-decoration: none; }
.btn-light { background: var(--paper); color: var(--teal-deep); }
.btn-light:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.92rem; }

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; color: var(--ink); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 1.7rem; }
.nav a:not(.btn) { color: var(--text); font-size: 0.98rem; font-weight: 600; }
.nav a:not(.btn):hover { color: var(--teal-deep); text-decoration: none; }
.nav a[aria-current="page"]:not(.btn) { color: var(--teal-deep); }
.nav-cta { margin-left: 0.5rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; color: var(--ink); }

/* ============ HERO (light) ============ */
.hero { background: var(--paper); color: var(--text); padding: clamp(4rem, 8vw, 6.5rem) 0 clamp(3.5rem, 7vw, 5.5rem); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(55% 50% at 80% 8%, rgba(18, 165, 154, 0.12), transparent 62%),
    radial-gradient(45% 45% at 8% 90%, rgba(14, 110, 101, 0.08), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { color: var(--ink); }
.hero h1 .amber { color: var(--teal-deep); font-style: italic; }
.hero .eyebrow { color: var(--teal-deep); }
.hero .lead { color: var(--muted); margin: 1.4rem 0 2rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.hero-facts { margin-top: clamp(2.5rem, 5vw, 3.5rem); display: flex; flex-wrap: wrap; gap: 1.5rem 2.6rem; border-top: 1px solid var(--border); padding-top: 1.8rem; }
.hero-facts div { display: flex; flex-direction: column; }
.hero-facts strong { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.85rem; color: var(--ink); line-height: 1.1; }
.hero-facts .lbl { font-size: 0.84rem; color: var(--muted); margin-top: 0.35rem; }

/* Audio motif card (light) */
.hero-visual { position: relative; }
.wave-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem;
  box-shadow: var(--shadow-md);
  position: relative;
}
.wave-card .chip {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--teal-deep); background: var(--teal-soft);
  border: 1px solid #c5e7e3;
  padding: 0.35rem 0.8rem; border-radius: 999px; margin-bottom: 1.4rem;
}
.wave-card .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.wave-visual { display: flex; align-items: center; gap: 5px; height: 130px; }
.wave-visual span {
  flex: 1; border-radius: 4px;
  background: linear-gradient(180deg, var(--teal), var(--teal-deep));
  animation: wave 1.4s ease-in-out infinite alternate;
  transform-origin: bottom;
}
.wave-card .now-playing { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.3rem; color: var(--muted); font-size: 0.9rem; }
.wave-card .title { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--ink); font-size: 1.02rem; }

@keyframes wave {
  from { transform: scaleY(0.25); opacity: 0.45; }
  to { transform: scaleY(1); opacity: 1; }
}

/* ============ SECTIONS ============ */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-alt { background: var(--paper-2); }
.section-ink { background: var(--teal-deep); color: var(--on-ink); }
.section-ink h2 { color: var(--paper); }
.section-ink .eyebrow { color: var(--teal-bright); }
.section-head { max-width: 44rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head.center { margin-inline: auto; text-align: center; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

/* Cards */
.card {
  background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.9rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cfdcd9; }
.card-num { font-family: 'Montserrat', sans-serif; font-size: 0.95rem; color: var(--teal-deep); font-weight: 700; letter-spacing: 0.05em; margin-bottom: 0.9rem; display: block; }
.card h3 { font-size: 1.35rem; margin-bottom: 0.55rem; }
.card p { color: var(--muted); margin-bottom: 0; font-size: 0.98rem; }
.card-ink { background: var(--teal-deep); border-color: var(--teal-deep); }
.card-ink h3 { color: var(--paper); }
.card-ink p { color: #d7eef1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 1.3rem;
  background: var(--teal-soft); color: var(--teal-deep);
  display: grid; place-items: center;
}

/* Feature split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split .lead { margin: 1rem 0 1.6rem; }
.split.stretch { align-items: stretch; }
.split.stretch > .card { display: flex; flex-direction: column; justify-content: center; }

/* Checklist */
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; gap: 0.85rem; align-items: flex-start; padding: 0.75rem 0; border-top: 1px solid var(--border); font-weight: 600; }
.check-list li:first-child { border-top: 0; }
.check-list .tk { color: var(--teal); font-weight: 800; flex: none; margin-top: 0.1rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: step; }
.step { position: relative; padding-top: 2.6rem; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.9rem; color: var(--teal);
}
.step h3 { font-size: 1.2rem; margin-bottom: 0.45rem; }
.step p { font-size: 0.95rem; color: var(--muted); }
.step-line { position: absolute; top: 1.05rem; left: clamp(2.4rem,4vw,3.2rem); right: 1rem; height: 1px; background: var(--border); }
.step:last-child .step-line { display: none; }

/* Pricing */
.pricing { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 1.5rem; align-items: stretch; }
.price-card { border-radius: var(--radius); padding: 2.3rem; display: flex; flex-direction: column; }
.price-card.featured { background: var(--teal-deep); color: var(--on-ink); border: 1px solid var(--teal-deep); box-shadow: var(--shadow-lg); }
.price-card.featured h3 { color: var(--paper); }
.price-card .price { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 3rem; line-height: 1; color: inherit; margin: 0.4rem 0 0.2rem; }
.price-card .per { color: var(--muted); font-size: 0.95rem; font-weight: 600; }
.price-card.featured .per { color: #cfecef; }
.price-card .amt { color: var(--teal-deep); font-size: 0.95rem; font-weight: 700; }
.price-card.featured .amt { color: #b7e6e6; }
.price-list { list-style: none; margin: 1.6rem 0 1.9rem; padding: 0; flex: 1; }
.price-list li { display: flex; gap: 0.7rem; padding: 0.55rem 0; font-size: 0.98rem; align-items: flex-start; }
.price-list .tk { color: var(--teal); font-weight: 800; flex: none; }
.price-card.featured .price-list .tk { color: #a8e6dd; }
.price-card:not(.featured) { background: var(--paper); border: 1px solid var(--border); }
.price-card:not(.featured) .price-list .tk { color: var(--teal); }
.price-foot { margin-top: auto; min-height: 3.2rem; display: flex; align-items: center; font-size: 0.88rem; color: #d7eef1; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; padding: 0 1.1rem; }

/* Kit */
.kit-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.kit-item { display: flex; gap: 1.1rem; padding: 1.1rem 0; border-top: 1px solid var(--border); align-items: flex-start; }
.kit-item:first-of-type { border-top: 0; }
.kit-item .k-num { font-family: 'Montserrat', sans-serif; font-weight: 800; color: var(--teal); flex: none; }
.kit-item h4 { font-size: 1.05rem; margin-bottom: 0.15rem; }
.kit-item p { font-size: 0.93rem; color: var(--muted); margin: 0; }
.kit-device {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--teal-deep); box-shadow: var(--shadow-lg);
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 2.2rem; color: var(--paper);
  display: grid; place-items: center; background: linear-gradient(160deg, var(--teal), var(--teal-deep)); aspect-ratio: 4/5;
  text-align: center; padding: 1.5rem; line-height: 1.2;
}

/* Badges */
.badge-row { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; }
.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--paper); border: 1px solid var(--border);
  border-radius: 999px; padding: 0.5rem 0.95rem; font-size: 0.9rem; font-weight: 600;
}
.badge .tk { color: var(--teal); font-weight: 800; }
.badge.soft { background: var(--teal-soft); border-color: #c5e7e3; color: var(--teal-deep); }
.badge.soft .tk { color: var(--teal-deep); }

/* CTA band */
.cta-band { background: linear-gradient(140deg, var(--teal), var(--teal-deep)); color: var(--paper); border-radius: var(--radius); padding: clamp(2.4rem, 5vw, 4rem); text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { color: var(--paper); margin-bottom: 0.6rem; }
.cta-band .lead { color: #d7eef1; font-weight: 500; max-width: 40rem; margin-inline: auto; }
.cta-band .btn { margin-top: 1.6rem; }
.cta-band .btn-primary { background: var(--ink); color: var(--teal-bright); }
.cta-band .btn-primary:hover { background: #000; color: var(--teal-bright); }

/* ============ FOOTER ============ */
.site-footer { background: var(--ink); color: var(--on-ink-muted); padding: clamp(3rem,6vw,4.5rem) 0 2.2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-col h5 { color: var(--paper); font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 1.1rem; }
.footer-col a { display: block; color: var(--on-ink-muted); padding: 0.28rem 0; font-size: 0.94rem; }
.footer-col a:hover { color: var(--teal-bright); text-decoration: none; }
.footer-brand .brand-name { color: var(--paper); font-size: 1.3rem; margin-bottom: 0.8rem; font-family: 'Montserrat', sans-serif; font-weight: 800; }
.footer-brand p { font-size: 0.92rem; }
.footer-bottom { border-top: 1px solid var(--border-ink); padding-top: 1.6rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.84rem; }
.footer-bottom .legal { display: flex; flex-wrap: wrap; gap: 1.4rem; }

/* ============ PAGE INTERIOR ============ */
.page-hero { background: var(--paper-2); color: var(--text); border-bottom: 1px solid var(--border); padding: clamp(3.5rem,7vw,5.5rem) 0; }
.page-hero h1 { color: var(--ink); }
.page-hero .lead { color: var(--muted); max-width: 40rem; }

/* Legal prose */
.legal-page { max-width: 46rem; }
.legal-page h2 { font-size: 1.6rem; margin-top: 2.4rem; }
.legal-page h3 { font-size: 1.2rem; margin-top: 1.8rem; }
.legal-page p, .legal-page li { font-size: 0.98rem; color: var(--muted); }
.legal-page ul { padding-left: 1.2rem; }
.legal-page .updated { font-size: 0.85rem; color: var(--muted); font-style: italic; margin-bottom: 2rem; }
.legal-page strong { color: var(--text); }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.2rem 1.4rem; margin-bottom: 0.8rem; background: var(--paper); }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.02rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--teal-deep); font-weight: 500; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0.9rem 0 0; color: var(--muted); font-size: 0.97rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .grid-3, .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .split, .kit-grid, .pricing { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .wave-card { max-width: 560px; }
}
@media (max-width: 760px) {
  .grid-3, .grid-2, .steps, .pricing { grid-template-columns: 1fr; }
  .nav {
    position: fixed; inset: 78px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--border);
    padding: 0.7rem var(--gutter) 1.2rem;
    transform: translateY(-16px); opacity: 0; pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: var(--shadow-md);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a:not(.btn) { padding: 0.8rem 0; border-top: 1px solid var(--border); font-size: 1.05rem; }
  .nav a:not(.btn):first-child { border-top: 0; }
  .nav-cta { margin-left: 0; margin-top: 0.8rem; text-align: center; }
  .nav-toggle { display: block; }
  .hero { text-align: left; }
  .hero-facts { gap: 1.2rem 1.8rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}