/* ==========================================================================
   LIO'S POV — Design Tokens
   A quiet, editorial, dark-mode-first system. The accent (warm brass) stands
   in for studio light; the waveform motif is the brand's one signature.
   ========================================================================== */

:root {
  /* Color — warm charcoal ink, not pure black */
  --ink: #0E0E10;
  --surface: #16151A;
  --surface-raised: #1C1B21;
  --border: #29282E;
  --border-strong: #3B3940;

  --text: #F1EDE6;
  --text-muted: #9C9893;
  --text-faint: #6C6970;

  --accent: #C08A46;
  --accent-strong: #D9A462;
  --accent-soft: rgba(192, 138, 70, 0.14);

  /* Type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Layout */
  --content-width: 1160px;
  --content-width-narrow: 720px;
  --gutter: clamp(24px, 5vw, 64px);
  --radius: 14px;
  --radius-sm: 8px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 320ms;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* Respect reduced-motion preferences throughout */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visible keyboard focus, always */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link — hidden until focused */
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  background: var(--accent);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  z-index: 200;
  transition: top var(--duration) var(--ease);
}
.skip-link:focus { top: 16px; }

/* ==========================================================================
   Typography helpers
   ========================================================================== */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 14px;
}

.section__heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 48px;
  max-width: 20ch;
}

.meta-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--text-faint);
  margin-bottom: 14px;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.section {
  padding: clamp(72px, 11vw, 128px) 0;
  border-top: 1px solid var(--border);
}

.section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section__inner--narrow {
  max-width: var(--content-width-narrow);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 14, 16, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease);
}

.nav.is-scrolled { border-bottom-color: var(--border); }

.nav__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.mark__wave { color: var(--accent); flex-shrink: 0; }

.nav__links {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
}

.nav__links a {
  font-size: 14.5px;
  color: var(--text-muted);
  padding: 6px 2px;
  position: relative;
  transition: color var(--duration) var(--ease);
}

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--text);
}
.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  transform: scaleX(1);
}

/* Mobile hamburger toggle — hidden on desktop */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
}
.nav__toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px var(--gutter) 64px;
}

.hero__waveform {
  position: absolute;
  inset: auto 0 0 0;
  height: 40%;
  color: var(--border-strong);
  opacity: 0.5;
  pointer-events: none;
}
.hero__waveform svg {
  width: 100%;
  height: 100%;
}

.hero__content {
  position: relative;
  max-width: 720px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 10vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero__tagline {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--accent-strong);
  margin-top: 22px;
  letter-spacing: 0.01em;
}

.hero__mission {
  font-size: clamp(15.5px, 1.6vw, 17px);
  color: var(--text-muted);
  max-width: 46ch;
  margin: 20px auto 0;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 40px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  transition: transform var(--duration) var(--ease),
              background var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              color var(--duration) var(--ease);
}

.btn--primary {
  background: var(--accent);
  color: var(--ink);
}
.btn--primary:hover { background: var(--accent-strong); transform: translateY(-1px); }

.btn--ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

/* ==========================================================================
   Featured content
   ========================================================================== */

.featured {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 32px);
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.featured:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.featured__art {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 10;
  color: var(--accent);
  opacity: 0.85;
  display: flex;
  align-items: center;
  padding: 0 10%;
}
.featured__art svg { width: 100%; height: auto; }

.featured__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.22;
  color: var(--text);
  margin-bottom: 14px;
}

.featured__excerpt {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 52ch;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-strong);
}
.link-arrow span { transition: transform var(--duration) var(--ease); }
.featured:hover .link-arrow span,
.card:hover .link-arrow span { transform: translateX(4px); }

/* ==========================================================================
   Content series cards
   ========================================================================== */

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card {
  background: var(--surface);
  padding: clamp(28px, 3.4vw, 40px);
  transition: background var(--duration) var(--ease);
}

.card:hover { background: var(--surface-raised); }

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 22px;
  transition: transform var(--duration) var(--ease);
}
.card__icon svg { width: 20px; height: 20px; }
.card:hover .card__icon { transform: scale(1.06); }

.card__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
}

.card__desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 38ch;
}

/* ==========================================================================
   About
   ========================================================================== */

.about__text {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.about__text p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.6;
  color: var(--text);
}

/* ==========================================================================
   Listen & Follow
   ========================================================================== */

.follow-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.follow-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--text);
  transition: border-color var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.follow-btn svg { width: 18px; height: 18px; color: var(--text-muted); transition: color var(--duration) var(--ease); }

.follow-btn:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  transform: translateY(-1px);
}
.follow-btn:hover svg { color: var(--accent-strong); }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--border);
  padding: 48px var(--gutter) 40px;
}

.footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.footer__mark {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}
.footer__mark .mark__wave { color: var(--text-faint); }

.footer__tagline,
.footer__copy {
  font-size: 13px;
  color: var(--text-faint);
}

/* ==========================================================================
   Scroll reveal (progressive enhancement — JS toggles .is-visible)
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 640ms var(--ease), transform 640ms var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* If JS never runs, content must still be visible */
.no-js .reveal { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .nav__toggle { display: flex; }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  }
  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav__links a:last-child { border-bottom: none; }

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

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

@media (max-width: 480px) {
  .hero { min-height: 100vh; padding-top: 110px; }
  .hero__actions { flex-direction: column; width: 100%; }
  .btn { justify-content: center; width: 100%; }
  .follow-list { justify-content: center; width: 100%; }
  .follow-btn { flex: 1 1 calc(50% - 7px); justify-content: center; }
}