/* ============================================================
   SONNANCE — landing page styles

   Tokens below come from the product design system
   (infrastructure/22-IOS-DESIGN-SYSTEM.md §1). Change a colour
   here and it changes everywhere on the page.

   The page is deliberately dark-only: it is one committed look,
   matching the app and the reference, not a themeable surface.
   ============================================================ */

:root {
  /* --- brand tokens (doc-22 §1, dark appearance) --- */
  --bg:            #08090e;
  --surface:       #14151b;
  --surface-2:     #1c1d25;
  --fg:            #f1f1f1;
  --fg-2:          #b9bac2;
  --fg-3:          #7c7e8a;
  --border:        rgba(241, 241, 241, .12);
  --border-strong: rgba(241, 241, 241, .22);
  --accent:        #4e36f5;   /* fills, dots, borders */
  --accent-text:   #8f7dff;   /* the same accent, light enough to read as text
                                 (6.2:1 on the page ground; #4e36f5 is 3.0:1) */

  /* --- Signal category colours (derived expression, doc-74 §3) --- */
  --c-hiring:    #8f7dff;
  --c-open:      #4aa3ff;
  --c-studio:    #7ed957;
  --c-producers: #2ec4b6;
  --c-artists:   #e0518f;
  --c-collab:    #ff7a45;
  --c-beats:     #f5a623;
  --c-release:   #b06bff;
  --c-biz:       #d6d6d6;

  /* --- scale (doc-22 §4) --- */
  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px; --sp-xl: 32px;
  --r-ctl: 16px; --r-card: 20px; --r-sheet: 28px;
  --wrap: 1120px;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Lexend, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--fg); color: var(--bg);
  padding: 10px 16px; border-radius: 0 0 12px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}
.wrap--narrow { max-width: 680px; }

.section { padding-block: clamp(72px, 12vw, 148px); }

.grid-2 {
  display: grid;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  grid-template-columns: 1fr;
}
/* Grid children default to min-width:auto, which lets a wide child (the
   Signal ticker) push the page sideways instead of scrolling inside itself. */
.grid-2 > *, .id-layout > * { min-width: 0; }

@media (min-width: 880px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-2--media-first .media { order: -1; }
}

/* ---------- type ---------- */

.h2 {
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.08;
  letter-spacing: -.025em;
  font-weight: 700;
  margin: 0 0 var(--sp-lg);
}
.h2--center { text-align: center; }

.h3 {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-weight: 600;
  margin: 0 0 var(--sp-md);
}

.body {
  color: var(--fg-2);
  font-size: 16px;
  margin: 0 0 var(--sp-md);
  max-width: 46ch;
}
.body strong { color: var(--fg); font-weight: 600; }

.lead {
  color: var(--fg-2);
  font-size: clamp(15px, 1.8vw, 17px);
  text-align: center;
  max-width: 52ch;
  margin: 0 auto var(--sp-xl);
}

.label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 var(--sp-sm);
  padding: 0;
}

.hint { font-size: 13px; color: var(--fg-3); margin: 6px 0 0; }
.hint a { color: var(--fg-2); }

.opt { color: var(--fg-3); font-weight: 400; text-transform: none; letter-spacing: 0; }

.ast { color: var(--accent-text); font-weight: 700; }

.note {
  font-size: 13px;
  color: var(--fg-3);
  border-left: 2px solid var(--border-strong);
  padding-left: 12px;
  margin-top: var(--sp-md);
}

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s var(--ease),
              border-color .2s var(--ease), opacity .2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-light { background: var(--fg); color: #0b0b0f; }
.btn-light:hover { background: #fff; }

.btn-ghost {
  background: var(--surface-2);
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: #262731; }

.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; padding-block: 16px; }

.link-arrow {
  color: var(--fg);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.link-arrow:hover { border-bottom-color: var(--border-strong); }

.center-cta { text-align: center; margin: clamp(40px, 6vw, 72px) 0 0; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border); }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

/* Language switch — small, always visible, never a dropdown.
   Two clicks to find your language is one too many. */
.lang {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
}
.lang > * {
  padding: 5px 8px;
  border-radius: 999px;
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.lang-on { color: var(--fg); background: var(--surface-2); }
.lang a  { color: var(--fg-3); }
.lang a:hover { color: var(--fg); background: var(--surface); }

@media (max-width: 420px) {
  .header-right { gap: 10px; }
  .btn-sm { padding: 9px 14px; }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--fg);
}
.brand-mark { width: 24px; height: 24px; flex: none; }
.brand-word {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -.01em;
}
.brand-dot { color: var(--accent-text); }
.brand--sm .brand-word { font-size: 17px; }

/* ---------- hero ---------- */

.hero {
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(56px, 8vw, 104px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.eyebrow {
  font-size: 17px;
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 var(--sp-lg);
  opacity: .85;
}

.hero-title {
  font-size: clamp(34px, 6.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 700;
  margin: 0 auto var(--sp-md);
  /* 16ch was too narrow for anything but the English line — it forced the
     Spanish headline onto three lines. `ch` scales with the font, so this
     stays right at every clamp step. */
  max-width: 22ch;
  text-wrap: balance;
}

/* Spanish runs ~15% longer than English for the same idea. Rather than
   shortening the copy to fit an English-shaped box, give the language its
   own step. Any future language gets its own line here. */
:lang(es) .hero-title {
  font-size: clamp(31px, 5.5vw, 57px);
  max-width: 20ch;
}

.hero-sub {
  color: var(--fg-2);
  font-size: clamp(15px, 2vw, 18px);
  max-width: 44ch;
  margin: 0 auto var(--sp-lg);
  text-wrap: balance;
}

.hero-actions { margin: 0 0 clamp(24px, 4vw, 40px); }

.hero-stage {
  position: relative;
  max-width: 940px;
  margin: 0 auto;
  aspect-ratio: 20 / 11;
}

.hero-glow {
  position: absolute;
  right: 4%;
  bottom: 8%;
  width: 46%;
  aspect-ratio: 1;
  background: radial-gradient(circle,
              rgba(226, 199, 106, .34) 0%,
              rgba(226, 199, 106, .11) 38%,
              transparent 68%);
  filter: blur(6px);
  pointer-events: none;
}

.hero-crowd {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 88%;
  transform: translateX(-50%);
  border-radius: 8px;
  mask-image: linear-gradient(to right, transparent 0%, #000 9%, #000 91%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 9%, #000 91%, transparent 100%);
}

.hero-card {
  position: absolute;
  border-radius: var(--r-card);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
}
.hero-card--front { left: 4%;  bottom: 18%; width: 25%; }
.hero-card--back  { right: 9%; bottom: 30%; width: 15%; }

.hero-more { margin: clamp(20px, 3vw, 32px) 0 0; }

@media (max-width: 640px) {
  .hero-stage { aspect-ratio: 4 / 3; }
  .hero-crowd { width: 100%; }
  .hero-card--front { left: 0; bottom: 22%; width: 34%; }
  .hero-card--back  { right: 2%; bottom: 34%; width: 21%; }
}

/* ---------- media collages ---------- */

.media { position: relative; }

.media--signals { aspect-ratio: 1 / 1; }
.media--signals .media-a {
  position: absolute; right: 4%; top: 4%; width: 64%;
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}
.media--signals .media-b {
  position: absolute; left: 0; bottom: 10%; width: 47%;
  border-radius: 10px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
}

/* The 40h badge — the one product mechanic worth showing on the page */
.expiry-chip {
  position: absolute;
  left: 8%;
  bottom: 2%;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  background: var(--fg);
  color: #0b0b0f;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .5);
}
.expiry-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: .35; transform: scale(.72); }
}

.media--events { aspect-ratio: 1 / 1; }
.media--events .media-a {
  position: absolute; left: 0; top: 10%; width: 66%;
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}
.media--events .media-phone {
  position: absolute; right: 2%; top: 0; width: 36%;
  border-radius: 26px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .65);
}

/* ---------- Signal ticker (replaces the partner-logo strip) ---------- */

.ticker {
  margin-top: var(--sp-xl);
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: flex;
  gap: 10px;
  width: max-content;
  animation: marquee 42s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.sig {
  --c: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 34%, transparent);
  background: color-mix(in srgb, var(--c) 9%, transparent);
}
.sig::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c);
  flex: none;
}
.sig--hiring    { --c: var(--c-hiring); }
.sig--open      { --c: var(--c-open); }
.sig--studio    { --c: var(--c-studio); }
.sig--producers { --c: var(--c-producers); }
.sig--artists   { --c: var(--c-artists); }
.sig--collab    { --c: var(--c-collab); }
.sig--beats     { --c: var(--c-beats); }
.sig--release   { --c: var(--c-release); }
.sig--biz       { --c: var(--c-biz); }

/* ---------- chips ---------- */

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.chips li {
  padding: 7px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--fg-2);
}

/* ---------- Music ID: sticky visual + accordion ---------- */

.id-layout {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 880px) {
  .id-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .id-visual { position: sticky; top: 108px; }
}

.id-visual-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-sheet);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
}
.id-shot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity .45s var(--ease), transform .6s var(--ease);
}
.id-shot.is-active { opacity: 1; transform: scale(1); }

.accordion { border-top: 1px solid var(--border); }

.acc-item { border-bottom: 1px solid var(--border); }

.acc-h { margin: 0; font-size: inherit; font-weight: inherit; }

.acc-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 22px 4px;
  background: none;
  border: 0;
  color: var(--fg-2);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color .2s var(--ease);
}
.acc-btn:hover { color: var(--fg); }
.is-open .acc-btn { color: var(--fg); }

.acc-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--fg-3);
  flex: none;
  font-variant-numeric: tabular-nums;
}
.is-open .acc-num { color: var(--accent-text); }

.acc-title {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  letter-spacing: -.015em;
  flex: 1;
}

.acc-tag {
  flex: none;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

.acc-chevron {
  flex: none;
  width: 11px; height: 11px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .3s var(--ease);
  opacity: .65;
}
.is-open .acc-chevron { transform: rotate(-135deg) translate(-2px, -2px); }

.acc-panel {
  overflow: hidden;
  height: 0;
  transition: height .35s var(--ease);
}
.acc-panel-inner { padding: 0 4px 24px; }
.acc-panel-inner p {
  color: var(--fg-2);
  font-size: 15px;
  margin: 0 0 12px;
  max-width: 46ch;
}
.acc-panel-inner p:last-child { margin-bottom: 0; }
.acc-panel-inner em { color: var(--fg); font-style: normal; opacity: .9; }

/* ---------- form ---------- */

.section--form {
  border-top: 1px solid var(--border);
  background:
    radial-gradient(70% 100% at 50% 0%, rgba(78, 54, 245, .13), transparent 70%),
    var(--bg);
}

.form { margin-top: clamp(24px, 4vw, 40px); }

.field { border: 0; padding: 0; margin: 0 0 var(--sp-lg); }
.field legend { padding: 0; }

input[type="email"],
select,
textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-ctl);
  color: var(--fg);
  font: inherit;
  font-size: 15px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
input[type="email"]::placeholder,
textarea::placeholder { color: var(--fg-3); }

input[type="email"]:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input[type="email"]:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  outline: none;
}
input[aria-invalid="true"] { border-color: #ff6b6b; }

textarea { resize: vertical; min-height: 96px; }

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-3) 50%),
                    linear-gradient(135deg, var(--fg-3) 50%, transparent 50%);
  background-position: calc(100% - 20px) 22px, calc(100% - 15px) 22px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
select option { background: var(--surface); color: var(--fg); }

.checks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.check--wide { grid-column: 1 / -1; }

.check {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-ctl);
  font-size: 14px;
  color: var(--fg-2);
  cursor: pointer;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}
.check:hover { border-color: var(--border-strong); }
.check:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  color: var(--fg);
}
.check input { accent-color: var(--accent); width: 16px; height: 16px; flex: none; }

.form-status {
  margin: var(--sp-md) 0 0;
  font-size: 14px;
  min-height: 1.4em;
  color: var(--fg-2);
  text-align: center;
}
.form-status.is-error { color: #ff8f8f; }
.form-status.is-ok    { color: #8ce39d; }

/* ---------- status section ---------- */

.section--status {
  border-top: 1px solid var(--border);
  padding-block: clamp(56px, 8vw, 96px);
}
.status-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 var(--sp-md);
}
.section--status .body { max-width: none; }
.section--status a { color: var(--fg); text-underline-offset: 3px; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 36px 44px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-md);
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a {
  color: var(--fg-3);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.footer-nav a:hover { color: var(--fg); }

.footer-fine {
  margin: 24px 0 0;
  font-size: 12px;
  color: var(--fg-3);
}

/* ---------- the halo -------------------------------------------
   One ambient light behind the entire page, whose colour is set by
   whichever section you are looking at (motion.js). The web
   translation of the app's adaptive gradient — the colour should
   feel pulled from the content, never chosen from a palette. */

.halo {
  --halo: #4e36f5;
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 45% at 50% 22%,
      color-mix(in srgb, var(--halo) 22%, transparent) 0%,
      color-mix(in srgb, var(--halo) 7%, transparent) 42%,
      transparent 72%);
  /* NO transition on purpose. motion.js interpolates --halo per frame, which
     is continuous under any scroll speed; a CSS transition here would restart
     on every section change and make a fast scroll lurch. */
  animation: halo-breathe 14s ease-in-out infinite;
}
@keyframes halo-breathe {
  0%, 100% { opacity: .85; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.06); }
}

/* Everything real sits above the halo. */
.site-header, main, .site-footer { position: relative; z-index: 1; }

/* ---------- reveal ---------------------------------------------
   Rise once, on arrival. The transform is small on purpose: a big
   travel reads as a slideshow, a small one reads as the page
   settling. */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms cubic-bezier(.2, .7, .2, 1),
    transform 700ms cubic-bezier(.2, .7, .2, 1);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* ---------- the 40 hours ---------------------------------------
   A ring that actually drains, in place of the old static dot. */

.expiry-ring { width: 16px; height: 16px; flex: none; display: block; }
.expiry-ring circle { fill: none; stroke-width: 2; }
.expiry-ring .track { stroke: rgba(11, 11, 15, .18); }
.expiry-ring .arc {
  stroke: var(--accent);
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

/* ---------- motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .ticker-track { animation: none; }
  .acc-panel { transition: none; }

  /* The halo stops
     breathing and reveals are painted in place rather than animated — so
     the page is complete and still, not broken and invisible. */
  .halo { animation: none; transition: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .expiry-ring .arc { stroke-dashoffset: 0 !important; }
}