/* ============================================================
   ComposerX showcase — "The Studio in the Dark"
   ============================================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/inter-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/space-grotesk-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-700.woff2') format('woff2');
}

:root {
  --bg: #0a0a0f;
  --bg-alt: #0d0d14;
  --bg-raise: #121219;
  --amber: #f5a623;
  --amber-dim: #b8791a;
  --amber-glow: rgba(245, 166, 35, 0.35);
  --teal: #2dd4bf;
  --teal-glow: rgba(45, 212, 191, 0.3);
  --heading: #f5f5f4;
  --body: #a1a1aa;
  --body-dim: #84848c;
  --border: rgba(245, 245, 244, 0.08);
  --border-strong: rgba(245, 245, 244, 0.14);
  --ease-studio: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --nav-h: 76px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); color: var(--heading); margin: 0; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--amber);
  color: #0a0a0f;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; }

section[id] { scroll-margin-top: var(--nav-h); }

/* ================= Scrub-link (shared) ================= */
.scrub-link {
  position: relative;
}
.scrub-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-studio);
}
.scrub-link:hover::after { transform: scaleX(1); }

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease-studio), box-shadow 0.3s var(--ease-studio), background 0.3s var(--ease-studio), border-color 0.3s var(--ease-studio);
  white-space: nowrap;
}
.btn--solid {
  background: var(--amber);
  color: #14100a;
}
.btn--solid:hover {
  box-shadow: 0 0 0 6px var(--amber-glow);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--heading);
}
.btn--ghost:hover {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-glow);
  transform: translateY(-1px);
}
.btn--small { padding: 0.55rem 1.25rem; font-size: 0.85rem; }
.btn--full { width: 100%; }

/* ================= Nav ================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.4s var(--ease-studio), border-color 0.4s var(--ease-studio), backdrop-filter 0.4s var(--ease-studio);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--heading);
  letter-spacing: -0.01em;
}
.nav__logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.nav__links {
  display: flex;
  gap: 2.25rem;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  font-size: 0.92rem;
  color: var(--body);
  transition: color 0.25s var(--ease-studio);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-studio);
}
.nav__links a:hover { color: var(--heading); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { flex-shrink: 0; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav__burger span {
  width: 22px; height: 2px;
  background: var(--heading);
  transition: transform 0.3s var(--ease-studio), opacity 0.3s var(--ease-studio);
}
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s var(--ease-studio), opacity 0.3s var(--ease-studio);
  overflow-y: auto;
}
.nav__mobile.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav__mobile a { font-size: 1rem; color: var(--body); }

/* ================= Hero ================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 3.5rem) 1.5rem 3.5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 55% at 50% 8%, rgba(245, 166, 35, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 45% at 50% 100%, rgba(45, 212, 191, 0.06), transparent 65%),
    var(--bg);
}
.hero__chars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hero__char {
  position: absolute;
  font-family: 'Noto Sans', 'Segoe UI', sans-serif;
  color: rgba(245, 166, 35, 0.16);
  font-size: 2.5rem;
  will-change: transform, opacity;
}
.hero__wave {
  position: relative;
  z-index: 1;
  width: min(1100px, 92vw);
  height: clamp(90px, 14vw, 160px);
  opacity: 0.9;
  order: 2;
  margin-top: 3.5rem;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  order: 1;
}
.hero__headline {
  font-size: clamp(2.5rem, 6.2vw, 4.6rem);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}
.hero__sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--body);
  max-width: 600px;
  margin: 0 auto 2.25rem;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.hero__footnote {
  font-size: 0.85rem;
  color: var(--body-dim);
  letter-spacing: 0.01em;
}
.hero__scrollcue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  z-index: 2;
}
.hero__scrollcue span {
  position: absolute;
  top: 6px; left: 50%;
  width: 3px; height: 8px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--amber);
  animation: scrollcue 1.8s var(--ease-studio) infinite;
}
@keyframes scrollcue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ================= Sections (shared) ================= */
.section {
  position: relative;
  padding: 7rem 0;
  background: var(--bg);
}
.section--alt { background: var(--bg-alt); }
.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section__inner--narrow { max-width: 720px; text-align: center; }
.label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1rem;
}
.h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 720px;
  margin-bottom: 1rem;
}
.section__sub {
  color: var(--body);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 0 3rem;
}

/* ================= Divider ================= */
.divider {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  height: 1px;
  background: var(--border);
}
.divider__notch {
  position: absolute;
  left: 1.5rem; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px 2px var(--amber-glow);
}

/* ================= Reveal-on-scroll ================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-studio), transform 0.8s var(--ease-studio);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================= Section 2: Compare columns ================= */
.compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.compare__col {
  padding: 2rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-raise);
}
.compare__col h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.compare__col p { margin: 0; font-size: 0.95rem; }
.compare__col--highlight {
  border-color: rgba(245, 166, 35, 0.35);
  background: linear-gradient(180deg, rgba(245, 166, 35, 0.07), rgba(245, 166, 35, 0.02));
  box-shadow: 0 0 30px -12px var(--amber-glow);
}
.compare__col--highlight h3 { color: var(--amber); }

/* ================= Feature blocks ================= */
.feature-blocks {
  display: flex;
  flex-direction: column;
  gap: 6rem;
  margin-top: 3.5rem;
}
.feature-block {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.feature-block--reverse { direction: rtl; }
.feature-block--reverse > * { direction: ltr; }
.feature-block__copy h3 {
  font-size: 1.6rem;
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}
.feature-block__copy p {
  font-size: 1.02rem;
  margin: 0;
}
.media-frame {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--bg-raise);
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6);
}
.media-frame video,
.media-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.media-frame__fallback {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: linear-gradient(160deg, var(--bg-raise), var(--bg-alt));
  z-index: 2;
}
.media-frame.has-media .media-frame__fallback { display: none; }
.fallback-wave {
  width: 60%;
  height: 44px;
  background-image: repeating-linear-gradient(90deg, rgba(45,212,191,0.35) 0 3px, transparent 3px 9px);
  mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
  opacity: 0.7;
}
.media-frame__fallback span {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-dim);
  font-weight: 600;
}

/* ================= Demo grid ================= */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.demo-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-raise);
  transition: transform 0.35s var(--ease-studio), box-shadow 0.35s var(--ease-studio), border-color 0.35s var(--ease-studio);
}
.demo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px -18px var(--amber-glow);
}
.demo-card__media {
  position: relative;
  aspect-ratio: 16/9;
  background: linear-gradient(160deg, var(--bg-raise), var(--bg-alt));
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-card__media video { width: 100%; height: 100%; object-fit: cover; }
.demo-card__soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}
.demo-card__soon .fallback-wave { width: 50%; height: 32px; }
.demo-card__soon span {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-dim);
  font-weight: 600;
}
.demo-card__body {
  padding: 1.1rem 1.3rem 1.4rem;
}
.demo-card__langs {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  margin-bottom: 0.7rem;
}
.demo-card__desc { font-size: 0.9rem; color: var(--body); margin: 0; }

/* ================= Languages ribbon ================= */
#languages .section__inner { margin-bottom: 1rem; }
.lang-ribbon {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.lang-row { overflow: hidden; white-space: nowrap; }
.lang-row__track {
  display: inline-flex;
  gap: 3rem;
  will-change: transform;
}
.lang-row--fwd .lang-row__track { animation: marquee-left 42s linear infinite; }
.lang-row--rev .lang-row__track { animation: marquee-right 42s linear infinite; }
.lang-ribbon:hover .lang-row__track { animation-play-state: paused; }
.lang-item {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--body-dim);
  transition: color 0.3s var(--ease-studio);
}
.lang-item:hover { color: var(--amber); }
@keyframes marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

/* ================= Cards (offerings) ================= */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.card {
  padding: 2.25rem 1.9rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-raise);
  transition: transform 0.35s var(--ease-studio), box-shadow 0.35s var(--ease-studio), border-color 0.35s var(--ease-studio);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 20px 45px -22px var(--amber-glow);
}
.card h3 { font-size: 1.2rem; margin-bottom: 0.75rem; }
.card p { font-size: 0.95rem; margin: 0 0 1.25rem; }
.chip {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #14100a;
  background: var(--amber);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
}
.chip--outline {
  color: var(--body-dim);
  background: transparent;
  border: 1px solid var(--border-strong);
}

/* ================= Pricing ================= */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.25rem 1.9rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-raise);
  transition: transform 0.35s var(--ease-studio), box-shadow 0.35s var(--ease-studio);
}
.price-card:hover { transform: translateY(-4px); }
.price-card--flagship {
  border-color: rgba(245, 166, 35, 0.4);
  background: linear-gradient(180deg, rgba(245, 166, 35, 0.08), rgba(245, 166, 35, 0.015) 40%);
  box-shadow: 0 0 0 1px rgba(245, 166, 35, 0.15), 0 30px 60px -25px var(--amber-glow);
  transform: scale(1.035);
}
.price-card--flagship:hover { transform: scale(1.035) translateY(-4px); }
.price-card__badge {
  position: absolute;
  top: -13px; left: 1.9rem;
  background: var(--amber);
  color: #14100a;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
}
.price-card h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
.price-card__tagline { font-size: 0.92rem; color: var(--body-dim); margin: 0 0 1.4rem; }
.price-card__price {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--amber);
  font-weight: 700;
  margin: 0 0 1.6rem;
  letter-spacing: -0.01em;
}
.price-card__price--muted { color: var(--body-dim); }
.price-card__features { margin: 0 0 1.75rem; display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.price-card__features li {
  font-size: 0.9rem;
  padding-left: 1.4rem;
  position: relative;
  color: var(--body);
}
.price-card__features li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px 1px var(--teal-glow);
}
.price-card__chip { align-self: flex-start; margin-bottom: 1rem; }
.pricing__footnote {
  text-align: center;
  color: var(--body-dim);
  font-size: 0.92rem;
  margin: 3rem 0 0;
}

/* ================= About ================= */
.about__copy { font-size: 1.08rem; line-height: 1.75; }

/* ================= Contact / footer ================= */
.contact__methods {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}
.contact__method {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.5rem 2.25rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-raise);
  transition: border-color 0.3s var(--ease-studio), box-shadow 0.3s var(--ease-studio), transform 0.3s var(--ease-studio);
  min-width: 220px;
}
.contact__method:hover {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-glow);
  transform: translateY(-2px);
}
.contact__method-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-dim);
  font-weight: 600;
}
.contact__method-value {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--heading);
}
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--bg-alt);
}
.footer__inner { max-width: var(--container); margin: 0 auto; }
.footer p { margin: 0.3rem 0; font-size: 0.85rem; color: var(--body-dim); }
.footer__links a { color: var(--body); transition: color 0.25s var(--ease-studio); }
.footer__links a:hover { color: var(--amber); }

/* ================= Responsive ================= */
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile { display: flex; }
  .compare, .cards, .pricing { grid-template-columns: 1fr; }
  .feature-block, .feature-block--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 1.75rem;
  }
  .price-card--flagship { transform: none; }
  .price-card--flagship:hover { transform: translateY(-4px); }
  .section { padding: 5rem 0; }
  .feature-blocks { gap: 4rem; }
}
@media (max-width: 560px) {
  .hero__wave { height: 130px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .contact__methods { flex-direction: column; align-items: center; }
  .compare__col, .card, .price-card { padding: 1.75rem 1.4rem; }
}

/* ================= Reduced motion ================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__char { display: none; }
  .lang-row__track { animation: none !important; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__scrollcue span { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}