/**
 * FretCue marketing landing
 * Brand tokens + theatrical accents (grain, ember CTA glow).
 */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--fc-bg-deep);
  color: var(--fc-text);
  font-family: var(--fc-font-sans);
  font-size: var(--fc-text-lg);
  line-height: var(--fc-leading-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--fc-steel-bright);
  text-decoration: none;
}

a:hover {
  color: var(--fc-ember-hot);
}

:focus-visible {
  outline: 2px solid var(--fc-ember);
  outline-offset: 3px;
}

/* ——— Layout ——— */
.site-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 48px);
}

.site-nav__mark {
  width: 36px;
  height: 36px;
}

.site-nav__link {
  font-size: var(--fc-text-sm);
  font-weight: 500;
  letter-spacing: var(--fc-tracking-label);
  text-transform: uppercase;
  color: var(--fc-text-soft);
}

.site-nav__link:hover {
  color: var(--fc-text-bright);
}

.wrap {
  width: min(1120px, 100% - 40px);
  margin-inline: auto;
}

.section {
  padding: clamp(64px, 10vw, 112px) 0;
}

.section-label {
  display: block;
  margin-bottom: 12px;
  font-size: var(--fc-text-xs);
  font-weight: 500;
  letter-spacing: var(--fc-tracking-label);
  text-transform: uppercase;
  color: var(--fc-text-dim);
}

.section-title {
  margin: 0 0 12px;
  max-width: 18ch;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  line-height: var(--fc-leading-tight);
  letter-spacing: var(--fc-tracking-tight);
  color: var(--fc-text-bright);
}

.section-lede {
  margin: 0;
  max-width: 42ch;
  color: var(--fc-text-soft);
  font-size: var(--fc-text-lg);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse 70% 55% at 78% 18%,
      color-mix(in srgb, var(--fc-rust) 28%, transparent),
      transparent 62%
    ),
    radial-gradient(
      ellipse 50% 40% at 12% 88%,
      color-mix(in srgb, var(--fc-ember) 10%, transparent),
      transparent 55%
    ),
    var(--fc-bg-deep);
}

.hero.fc-grain::before {
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  grid-template-areas:
    "lockup pov"
    "title pov"
    "cta pov";
  column-gap: clamp(28px, 4vw, 56px);
  row-gap: 16px;
  align-items: center;
  min-height: 100svh;
  width: min(1180px, 100% - 40px);
  margin-inline: auto;
  padding: 104px 0 56px;
  animation: hero-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero__lockup {
  grid-area: lockup;
  width: min(300px, 100%);
  height: auto;
  align-self: end;
}

.hero__headline {
  grid-area: title;
  margin: 0;
  max-width: 18ch;
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 500;
  line-height: var(--fc-leading-tight);
  letter-spacing: var(--fc-tracking-tight);
  color: var(--fc-text-bright);
  align-self: start;
}

.hero__pov {
  grid-area: pov;
  margin: 0;
  min-width: 0;
}

.hero__pov-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--fc-border);
  background: #000;
  box-shadow: 0 24px 48px color-mix(in srgb, var(--fc-black) 45%, transparent);
  image-rendering: auto;
}

.hero__pov-caption {
  margin: 10px 0 0;
  font-size: var(--fc-text-xs);
  letter-spacing: var(--fc-tracking-label);
  text-transform: uppercase;
  color: var(--fc-text-dim);
  text-align: center;
}

.hero__cta-block {
  grid-area: cta;
  align-self: start;
  max-width: 440px;
}

.hero__support {
  margin: 0 0 22px;
  max-width: 36ch;
  color: var(--fc-text-soft);
  font-size: clamp(15px, 1.6vw, 17px);
}

.hero__cta-note {
  margin: 12px 0 0;
  font-size: var(--fc-text-sm);
  color: var(--fc-text-dim);
}


/* ——— Waitlist form ——— */
.waitlist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
  max-width: 440px;
}

.waitlist__input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--fc-border);
  border-radius: var(--fc-radius);
  background: color-mix(in srgb, var(--fc-surface) 80%, transparent);
  color: var(--fc-text-bright);
  font: inherit;
  font-size: var(--fc-text-md);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.waitlist__input::placeholder {
  color: var(--fc-text-dim);
}

.waitlist__input:hover,
.waitlist__input:focus {
  border-color: var(--fc-steel);
  background: var(--fc-surface);
  outline: none;
}

.waitlist__submit {
  flex: 0 0 auto;
  padding: 14px 22px;
  border: none;
  border-radius: var(--fc-radius);
  background: var(--fc-ember);
  color: var(--fc-black);
  font: inherit;
  font-size: var(--fc-text-md);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.waitlist__submit:hover:not(:disabled) {
  background: var(--fc-ember-hot);
}

.waitlist__submit:active:not(:disabled) {
  background: var(--fc-ember-deep);
  transform: translateY(1px);
}

.waitlist__submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.waitlist__status {
  margin: 10px 0 0;
  min-height: 1.3em;
  font-size: var(--fc-text-sm);
  color: var(--fc-steel-bright);
}

.waitlist__status.is-success {
  color: var(--fc-positive);
}

.waitlist__status.is-error {
  color: var(--fc-negative);
}

.waitlist--panel {
  margin-top: 28px;
  max-width: 480px;
}

/* ——— How it works ——— */
.steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--fc-border);
}

.steps li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 28px 0;
  border-bottom: 1px solid var(--fc-border);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.steps li.is-in {
  opacity: 1;
  transform: none;
}

.steps__num {
  font-family: var(--fc-font-mono);
  font-size: var(--fc-text-sm);
  color: var(--fc-ember);
  letter-spacing: 0.04em;
  padding-top: 4px;
}

.steps h3 {
  margin: 0 0 6px;
  font-size: var(--fc-text-xl);
  font-weight: 500;
  letter-spacing: var(--fc-tracking-tight);
  color: var(--fc-text-bright);
}

.steps p {
  margin: 0;
  max-width: 48ch;
  color: var(--fc-text-soft);
  font-size: var(--fc-text-md);
}

/* ——— Product proof ——— */
.proof {
  position: relative;
  overflow: hidden;
  background: var(--fc-bg);
}

.proof__grid {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  margin-top: 40px;
}

.proof__grid > figure {
  margin: 0;
  min-width: 0;
}

.proof__caption {
  margin: 14px 0 0;
  font-size: var(--fc-text-sm);
  color: var(--fc-text-dim);
}

.phone-frame {
  width: 100%;
  border: 1px solid var(--fc-border);
  border-radius: 18px;
  background: var(--fc-bg-deep);
  padding: 10px 10px 14px;
  box-shadow: 0 24px 60px color-mix(in srgb, var(--fc-black) 55%, transparent);
}

.phone-frame__chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 6px 12px;
  border-bottom: 1px solid var(--fc-border);
  margin-bottom: 12px;
}

.phone-frame__chrome img {
  width: 22px;
  height: 22px;
}

.phone-frame__chrome span {
  font-size: var(--fc-text-md);
  font-weight: 500;
  color: var(--fc-text);
}

.phone-frame__label {
  font-size: 10px;
  letter-spacing: var(--fc-tracking-label);
  text-transform: uppercase;
  color: var(--fc-text-dim);
  margin-bottom: 8px;
}

.phone-frame__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--fc-border) 70%, transparent);
  font-size: var(--fc-text-sm);
  color: var(--fc-text);
}

.phone-frame__row em {
  font-style: normal;
  color: var(--fc-text-dim);
  font-size: 11px;
}

.phone-frame__cta {
  margin-top: 14px;
  width: 100%;
  padding: 10px;
  border-radius: var(--fc-radius);
  background: var(--fc-ember);
  color: var(--fc-black);
  font-size: var(--fc-text-sm);
  font-weight: 600;
  text-align: center;
}

.proof__glasses-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--fc-border);
  background: #000;
}

/* ——— Audience ——— */
.audience {
  border-top: 1px solid var(--fc-border);
  border-bottom: 1px solid var(--fc-border);
}

/* ——— Closing waitlist ——— */
.closing {
  background:
    radial-gradient(
      ellipse 60% 50% at 50% 0%,
      color-mix(in srgb, var(--fc-rust) 18%, transparent),
      transparent 70%
    ),
    var(--fc-bg-deep);
}

.closing .section-title {
  max-width: 16ch;
}

/* ——— Footer ——— */
.site-footer {
  padding: 32px clamp(20px, 4vw, 48px) 48px;
  border-top: 1px solid var(--fc-border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  align-items: baseline;
  color: var(--fc-text-dim);
  font-size: var(--fc-text-sm);
}

.site-footer strong {
  color: var(--fc-text-soft);
  font-weight: 500;
}

.site-footer__links {
  display: flex;
  gap: 20px;
}

/* ——— Cue pulse (glasses / hero diagram) ——— */
.cue-pulse {
  transform-origin: center;
  animation: cue-pulse 2.4s ease-in-out infinite;
}

@keyframes cue-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes beat-blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0.2;
  }
}

@media (max-width: 900px) {
  .proof__grid {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .phone-frame {
    max-width: 280px;
  }

  .proof__glasses-img {
    max-width: none;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "lockup"
      "pov"
      "title"
      "cta";
    min-height: 0;
    padding: 88px 0 48px;
    row-gap: 18px;
    width: min(100% - 32px, 560px);
  }

  .hero__lockup {
    width: min(260px, 78vw);
    align-self: start;
  }

  .hero__headline {
    max-width: none;
    font-size: clamp(26px, 7vw, 34px);
  }

  .hero__cta-block {
    max-width: none;
  }

  .hero__pov-caption {
    text-align: left;
  }

  .waitlist {
    max-width: none;
  }

  .waitlist__input,
  .waitlist__submit {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}