/* JML.Studio: showcase / marketing page
   Light, minimal, typography first. No icon boxes, no card or button borders:
   sections are separated by background tone shifts, whitespace and motion only.
   Lime reads as a large fill, purple as a small mark. */

:root {
  --bg: #faf9f5;
  --bg-panel: #f2f1ea;
  --fg: #0f0f0e;
  --fg-muted: #4a4a45;
  --fg-faint: #67675f;
  --accent-lime: #c6ec66;
  --accent-purple: #7c3fe0;
  --tint: 15, 15, 14;

  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", "Noto Sans KR", "Segoe UI", Roboto, sans-serif;

  --wrap: 760px;
  --edge: 24px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

/* one left rail runs the whole page: hero, marquee, card and footer share it */
.wrap {
  max-width: calc(var(--wrap) + var(--edge) * 2);
  padding-left: var(--edge);
  padding-right: var(--edge);
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(72px, 14vh, 128px) 0 clamp(28px, 5vh, 56px);
}

/* ambient glow: two very slow drifting orbs, low opacity so type stays legible */
.hero-glow {
  position: absolute;
  z-index: -1;
  width: min(130vw, 900px);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(28px);
  pointer-events: none;
  will-change: transform;
}

.hero-glow--purple {
  top: -34%;
  right: -26%;
  background: radial-gradient(closest-side, var(--accent-purple), transparent 72%);
  opacity: 0.12;
  animation: drift-purple 84s var(--ease-soft) infinite;
}

.hero-glow--lime {
  bottom: -32%;
  left: -30%;
  background: radial-gradient(closest-side, var(--accent-lime), transparent 72%);
  opacity: 0.28;
  animation: drift-lime 68s var(--ease-soft) infinite;
}

@keyframes drift-purple {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-9%, 7%, 0) scale(1.16); }
}

@keyframes drift-lime {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.08); }
  50% { transform: translate3d(12%, -8%, 0) scale(0.92); }
}

.hero-top {
  animation: fade-up 1s var(--ease-out) both 0.1s;
}

/* the eyebrow copy hangs off the same left edge as the wordmark */
.hero-top .wrap {
  max-width: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.tagline {
  margin: 0;
  max-width: 30ch;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--fg-muted);
}

.tagline-en {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--fg-faint);
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* scroll cue: the only signal that content follows the full height hero */
.hero-cue {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(24px, 5vh, 44px);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--fg-faint);
  animation: fade-up 1s var(--ease-out) both 0.55s;
}

.cue-arrow {
  display: inline-block;
  font-size: 0.95rem;
  line-height: 1;
  animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(-3px); }
  50% { transform: translateY(3px); }
}

/* giant wordmark, anchored to the bottom of the viewport */
.hero-foot {
  container-type: inline-size;
  padding: 0 var(--edge);
}

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.035em;
  line-height: 0.82;
  white-space: nowrap;
  font-size: calc((100vw - var(--edge) * 2 - 18px) / 5.55);
  font-size: 18.05cqw;
}

.wm-line {
  display: block;
  overflow: hidden;
  padding-top: 0.16em;
  margin-top: -0.16em;
}

.wm-char {
  display: inline-block;
  transform: translateY(115%);
  animation: rise 1.15s var(--ease-out) forwards;
  animation-delay: calc(var(--i) * 55ms + 180ms);
}

.wm-char--dot {
  color: var(--accent-purple);
}

@keyframes rise {
  to { transform: none; }
}

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  padding: 20px 0;
  background: var(--bg);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding-right: 1.4rem;
  white-space: nowrap;
}

.marquee-item {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
}

.marquee-star {
  font-size: 0.6rem;
  color: var(--accent-purple);
  opacity: 0.65;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- launches ---------- */

.launches {
  position: relative;
  overflow: hidden;
  background: var(--bg-panel);
  padding: clamp(64px, 12vh, 104px) 0 clamp(80px, 14vh, 128px);
}

.launches::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 560px;
  height: 560px;
  background: radial-gradient(closest-side, var(--accent-purple), transparent 70%);
  opacity: 0.13;
  filter: blur(10px);
  pointer-events: none;
}

.eyebrow {
  position: relative;
  margin: 0 0 44px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
}

.eyebrow-en {
  margin-left: 10px;
  font-family: var(--font-display);
  color: var(--fg-faint);
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.app-media {
  align-self: flex-start;
  perspective: 900px;
  padding: 20px;
  margin: -20px;
}

.app-icon {
  display: block;
  width: 104px;
  height: 104px;
  border-radius: 24px;
  box-shadow: 0 22px 44px -18px rgba(124, 63, 224, 0.35);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  will-change: transform;
}

.app-media:hover .app-icon {
  box-shadow: 0 28px 56px -20px rgba(124, 63, 224, 0.45);
}

.app-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.65rem, 5.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.app-title-en {
  display: block;
  margin-top: 10px;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--fg-faint);
}

.app-desc {
  margin: 0 0 34px;
  max-width: 42ch;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--fg-muted);
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-link {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(var(--tint), 0.07);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.35s var(--ease-out);
}

.app-link::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--accent-lime);
  transform: translateY(101%);
  transition: transform 0.45s var(--ease-out);
}

.app-link:hover,
.app-link:focus-visible {
  color: var(--fg);
}

.app-link:hover::before,
.app-link:focus-visible::before {
  transform: none;
}

.app-link .arrow {
  font-size: 0.8em;
  opacity: 0.7;
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}

.app-link:hover .arrow,
.app-link:focus-visible .arrow {
  opacity: 1;
  transform: translate(3px, -3px);
}

.app-link--soon {
  background: rgba(var(--tint), 0.035);
  color: var(--fg-faint);
  cursor: default;
}

.app-link--soon::before {
  content: none;
}

.app-link--soon:hover {
  color: var(--fg-faint);
}

.soon-sep {
  margin: 0 1px;
  opacity: 0.55;
}

.soon-label {
  font-weight: 400;
}

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

.site-footer {
  padding: 56px 0 72px;
}

.footer-copy {
  margin: 32px 0 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}

.footer-name {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-links a {
  position: relative;
  color: var(--fg-faint);
  transition: color 0.3s var(--ease-out);
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-out);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--fg);
}

.footer-links a:hover::after,
.footer-links a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.footer-links .dot {
  color: var(--fg-faint);
}

/* ---------- scroll reveal (progressive enhancement) ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  transition-delay: var(--d, 0ms);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- layout: phone ---------- */

@media (max-width: 639px) {
  .hero {
    padding-top: 26vh;
    padding-top: 26svh;
    /* the wordmark is anchored to the floor: about 11px under the baseline */
    padding-bottom: 7px;
  }
}

/* ---------- layout: tablet / desktop ---------- */

@media (min-width: 640px) {
  :root {
    --edge: 40px;
  }

  .app-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 44px;
  }

  .app-icon {
    width: 128px;
    height: 128px;
    border-radius: 28px;
  }

  .marquee {
    padding: 24px 0;
  }

  .marquee-group {
    gap: 2rem;
    padding-right: 2rem;
  }

  .marquee-item {
    font-size: 0.88rem;
  }
}

@media (min-width: 1100px) {
  :root {
    --edge: 56px;
  }

  .tagline {
    font-size: 1.15rem;
  }

  .app-card {
    gap: 56px;
  }

  .app-icon {
    width: 152px;
    height: 152px;
    border-radius: 34px;
  }

  .app-desc {
    font-size: 1.05rem;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .hero-top,
  .hero-cue,
  .cue-arrow,
  .wm-char {
    opacity: 1;
    transform: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  /* the strip is parked, so drop the edge fade and let it read as a static line */
  .marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }
}