/* ===== LOWRaudio — landing page styles =====
   Warm "paper" theme inspired by the LOWR Synth Bass plugin:
   cream background, charcoal ink, soft neumorphic panels, one amber accent. */

:root {
  --paper: #f1ebe1;          /* page background */
  --paper-2: #ece4d8;        /* recessed / alt sections */
  --panel: #f5efe6;          /* raised cards */
  --ink: #211e1a;            /* near-black charcoal (knobs, headings) */
  --text: #2a2620;
  --text-dim: #6f685c;
  --text-faint: #9a9284;
  --amber: #c1842b;          /* burnt gold accent */
  --amber-bright: #dca23f;
  --line: #ddd4c6;

  /* Neumorphic shadow tones */
  --sh-dark: rgba(170, 154, 128, 0.45);
  --sh-light: rgba(255, 253, 247, 0.9);

  --radius: 22px;
  --radius-sm: 14px;
  --maxw: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Roboto Slab", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
strong { color: var(--ink); font-weight: 600; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: -999px; top: 8px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 1000;
}
.skip-link:focus { left: 16px; }

.amber { color: var(--amber); }

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
  margin: 0 0 18px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s var(--ease), color 0.2s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: #f4eee3;
  box-shadow: 4px 5px 14px var(--sh-dark), -3px -3px 10px var(--sh-light);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 5px 8px 20px var(--sh-dark), -3px -3px 10px var(--sh-light);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 4px 5px 12px var(--sh-dark), -4px -4px 12px var(--sh-light);
}
.btn-ghost:hover { transform: translateY(-2px); color: var(--amber); }
.btn-ghost:active {
  box-shadow: inset 3px 3px 7px var(--sh-dark), inset -3px -3px 7px var(--sh-light);
  transform: translateY(0);
}

.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(241, 235, 225, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand { display: inline-flex; align-items: baseline; gap: 7px; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1;
}
.brand-sub {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
  font-weight: 600;
  color: var(--amber);
}

.nav { display: flex; gap: 34px; }
.nav a {
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 500;
  transition: color 0.18s var(--ease);
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--amber);
  transition: width 0.22s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s var(--ease), padding 0.32s var(--ease);
  background: var(--paper);
}
.mobile-nav a {
  padding: 14px 4px;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a.btn { margin: 16px 0 4px; border-bottom: 0; color: #f4eee3; justify-content: center; }
.mobile-nav.open {
  max-height: 340px;
  padding: 8px 24px 22px;
  border-bottom: 1px solid var(--line);
}

/* ===== Hero ===== */
.hero { padding: 90px 0 70px; }
.hero-inner { text-align: center; }
.hero-kicker {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: 0.03em;
  color: var(--amber);
  margin: 0 0 12px;
  line-height: 1;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
.hero-sub {
  max-width: 600px;
  margin: 0 auto 36px;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.4vw, 1.18rem);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Signature scope */
.scope {
  position: relative;
  width: min(440px, 84vw);
  aspect-ratio: 1;
  margin: 76px auto 0;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 9px 9px 26px var(--sh-dark), -9px -9px 26px var(--sh-light);
  display: grid;
  place-items: center;
}
.scope-face {
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 38%, #2c2620, #181410 78%);
  box-shadow: inset 5px 6px 16px rgba(0, 0, 0, 0.6),
    inset -3px -3px 10px rgba(120, 90, 50, 0.18),
    0 2px 4px var(--sh-light);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.scope-wave {
  width: 84%;
  height: 60%;
  overflow: visible;
}
.scope-wave path {
  fill: none;
  stroke: var(--amber-bright);
  stroke-width: 3;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(220, 162, 63, 0.85));
  animation: wave-pulse 3.2s ease-in-out infinite;
}
@keyframes wave-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}
.tick {
  position: absolute;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(193, 132, 43, 0.6);
}
.tick-t { top: 9%; left: 50%; transform: translateX(-50%); }
.tick-b { bottom: 9%; left: 50%; transform: translateX(-50%); }
.tick-l { left: 9%; top: 50%; transform: translateY(-50%); }
.tick-r { right: 9%; top: 50%; transform: translateY(-50%); }

/* ===== Formats strip ===== */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  justify-content: center;
  padding: 22px 24px;
}
.strip span {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--paper-2); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 60px; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3rem); }
.section-lead { color: var(--text-dim); margin: 18px 0 0; font-size: 1.08rem; }

/* ===== Tick lists ===== */
.ticks { list-style: none; padding: 0; margin: 26px 0 0; }
.ticks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  color: var(--text-dim);
  font-size: 0.98rem;
}
.ticks li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px; height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--amber);
}

/* ===== Split (The Sound) ===== */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.split-text h2 { font-size: clamp(2rem, 4.5vw, 2.9rem); }
.split-text > p { color: var(--text-dim); margin: 22px 0 0; }

.split-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.knob-card {
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 26px 12px 18px;
  text-align: center;
  box-shadow: 6px 7px 18px var(--sh-dark), -6px -6px 16px var(--sh-light);
}
.knob {
  width: 62px; height: 62px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 30%, #3a342c, #1b1814);
  box-shadow: 3px 4px 9px rgba(0,0,0,0.35), -2px -2px 6px rgba(255,255,255,0.12);
  position: relative;
}
.knob::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.05);
}
.knob-dot {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 14px;
  border-radius: 2px;
  background: var(--amber-bright);
  transform: translateX(-50%) rotate(-32deg);
  transform-origin: 50% 23px;
  box-shadow: 0 0 5px rgba(220, 162, 63, 0.7);
}
.knob-amber { background: radial-gradient(circle at 38% 30%, #4a3a22, #241a0e); }
.knob-amber .knob-dot { transform: translateX(-50%) rotate(34deg); }
.knob-label {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--text-dim);
}

/* ===== Panels (controls) ===== */
.panels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: 6px 8px 20px var(--sh-dark), -6px -6px 16px var(--sh-light);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.panel:hover {
  transform: translateY(-5px);
  box-shadow: 8px 12px 26px var(--sh-dark), -6px -6px 16px var(--sh-light);
}
.panel h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  position: relative;
  padding-bottom: 14px;
}
.panel h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 3px;
  border-radius: 2px;
  background: var(--amber);
}
.panel p { margin: 0; color: var(--text-dim); font-size: 0.96rem; }

/* ===== Presets ===== */
.preset-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}
.chip {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--panel);
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: 4px 5px 12px var(--sh-dark), -4px -4px 12px var(--sh-light);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}
.chip:hover { transform: translateY(-3px); color: var(--amber); }
.chip-active {
  color: #f4eee3;
  background: var(--ink);
}
.chip-active:hover { color: var(--amber-bright); }
.preset-tags {
  text-align: center;
  margin: 38px 0 0;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-faint);
}

/* ===== Pricing ===== */
.price-wrap { display: flex; justify-content: center; }
.price-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 44px 40px;
  width: 100%;
  max-width: 440px;
  text-align: center;
  box-shadow: 8px 10px 28px var(--sh-dark), -8px -8px 22px var(--sh-light);
}
.price-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
  margin: 0 0 8px;
}
.price { display: flex; align-items: baseline; justify-content: center; gap: 10px; margin: 0 0 26px; }
.price .amount { font-family: var(--font-display); font-weight: 800; font-size: 3.4rem; color: var(--ink); }
.price .per { color: var(--text-faint); font-size: 0.98rem; text-transform: uppercase; letter-spacing: 0.1em; }
.price-card .ticks { text-align: left; max-width: 280px; margin: 0 auto 30px; }
.price-card .ticks li { justify-content: flex-start; }
.price-note { margin: 18px 0 0; font-size: 0.85rem; color: var(--text-faint); }

/* ===== Newsletter ===== */
.newsletter-inner { text-align: center; max-width: 600px; }
.newsletter h2 { font-size: clamp(1.9rem, 5vw, 2.8rem); }
.newsletter-inner > p { color: var(--text-dim); margin: 16px 0 30px; }
.signup {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.signup input {
  flex: 1 1 240px;
  background: var(--paper);
  border: 0;
  border-radius: 999px;
  padding: 15px 22px;
  color: var(--ink);
  font-size: 15px;
  font-family: var(--font-body);
  box-shadow: inset 3px 3px 7px var(--sh-dark), inset -3px -3px 7px var(--sh-light);
  transition: box-shadow 0.2s var(--ease);
}
.signup input::placeholder { color: var(--text-faint); }
.signup input:focus {
  outline: none;
  box-shadow: inset 3px 3px 7px var(--sh-dark), inset -3px -3px 7px var(--sh-light),
    0 0 0 2px var(--amber);
}
.signup input.invalid { box-shadow: inset 3px 3px 7px var(--sh-dark), 0 0 0 2px #c0392b; }
.signup .btn { flex: 0 0 auto; }
.form-msg { min-height: 22px; margin: 16px 0 0; font-size: 0.95rem; font-weight: 500; }
.form-msg.ok { color: var(--amber); }
.form-msg.err { color: #c0392b; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 64px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 48px;
}
.footer-brand p { color: var(--text-faint); margin: 16px 0 0; max-width: 280px; font-size: 0.95rem; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-nav h4 {
  font-family: var(--font-body);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.footer-nav a {
  display: block;
  color: var(--text-dim);
  padding: 6px 0;
  font-size: 0.95rem;
  transition: color 0.18s var(--ease);
}
.footer-nav a:hover { color: var(--amber); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 0.9rem;
}
.footer-built { color: var(--amber); font-family: var(--font-display); font-weight: 600; }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .split { grid-template-columns: 1fr; gap: 44px; }
  .panels { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  .nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: flex; }
  .panels { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 48px; }
  .split-visual { max-width: 360px; margin: 0 auto; }
}