/* === MyShikiPlayer landing — Midnight Otaku palette === */

:root {
  --bg:      #0B0A0D;
  --bg2:     #141218;
  --bg3:     #1D1A22;
  --card:    #17151B;
  --line:    rgba(255, 255, 255, 0.08);
  --line2:   rgba(255, 255, 255, 0.14);
  --fg:      #F5F1EA;
  --fg2:     rgba(245, 241, 234, 0.72);
  --fg3:     rgba(245, 241, 234, 0.48);
  --accent:  #FF4D5E;
  --accent2: #FFB199;
  --good:    #7CD992;
  --warn:    #FFC857;
  --violet:  #9A7BFF;
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-br: rgba(255, 255, 255, 0.12);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 60px rgba(255, 77, 94, 0.35);

  --maxw: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

::selection { background: var(--accent); color: #000; }

/* === Background grid + glows === */

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at top, #000 30%, transparent 75%);
  opacity: 0.45;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  z-index: -1;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
}

.bg-glow--accent {
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  top: -25vmax;
  left: -15vmax;
}

.bg-glow--violet {
  background: radial-gradient(circle, var(--violet) 0%, transparent 60%);
  top: 30vmax;
  right: -25vmax;
  opacity: 0.22;
}

/* === Nav === */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}

/* Full-bleed sticky background that extends past max-width */
.nav::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  background: rgba(11, 10, 13, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  z-index: -1;
  transition: background .25s ease, border-color .25s ease;
}

.nav.is-scrolled::before {
  background: rgba(11, 10, 13, 0.88);
  border-bottom-color: var(--line2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.brand__name {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}

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

.brand__sub {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--fg3);
  margin-left: 6px;
  display: none;
}

@media (min-width: 700px) {
  .brand__sub { display: inline; }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--fg2);
}

.nav__links a:not(.nav__github):hover { color: var(--fg); }

.nav__links a:not(.nav__github) {
  display: none;
}

@media (min-width: 700px) {
  .nav__links a:not(.nav__github) { display: inline; }
}

.nav__github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--line2);
  border-radius: 999px;
  font-weight: 600;
  background: var(--chip-bg);
  transition: background .15s ease, border-color .15s ease;
}

.nav__github:hover {
  background: var(--chip-br);
  border-color: var(--accent);
  color: var(--fg);
}

/* === Hero === */

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 32px 40px;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line2);
  background: var(--chip-bg);
  border-radius: 999px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--fg2);
  margin-bottom: 28px;
}

.hero__badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 10px var(--good);
}

.hero__title {
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
}

.hero__title .hl {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent2) 60%, var(--warn) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 18px;
  color: var(--fg2);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, box-shadow .2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #0B0A0D;
  box-shadow: 0 8px 28px -10px var(--accent);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px -10px var(--accent), var(--shadow-glow);
}

.btn--ghost {
  background: var(--chip-bg);
  border-color: var(--line2);
  color: var(--fg);
}

.btn--ghost:hover {
  background: var(--chip-br);
  border-color: var(--fg3);
}

.hero__shot {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line2);
  background: var(--bg2);
  box-shadow: var(--shadow-lg), 0 0 100px -20px rgba(255, 77, 94, 0.25);
}

.hero__shot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hero__shot img {
  width: 100%;
  display: block;
}

/* === Sections === */

section {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px 32px;
}

.section__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.section__lead {
  color: var(--fg2);
  font-size: 17px;
  max-width: 560px;
  margin: 0 0 40px;
}

/* === Features === */

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

.feature:hover {
  border-color: var(--line2);
  transform: translateY(-2px);
  background: var(--bg3);
}

.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--accent);
  background: rgba(255, 77, 94, 0.12);
  border: 1px solid rgba(255, 77, 94, 0.22);
}

.feature__icon[data-color="violet"]  { color: var(--violet);  background: rgba(154, 123, 255, 0.12); border-color: rgba(154, 123, 255, 0.22); }
.feature__icon[data-color="warn"]    { color: var(--warn);    background: rgba(255, 200, 87, 0.12);  border-color: rgba(255, 200, 87, 0.22); }
.feature__icon[data-color="good"]    { color: var(--good);    background: rgba(124, 217, 146, 0.12); border-color: rgba(124, 217, 146, 0.22); }
.feature__icon[data-color="accent2"] { color: var(--accent2); background: rgba(255, 177, 153, 0.12); border-color: rgba(255, 177, 153, 0.22); }

.feature h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--fg2);
  font-size: 14.5px;
}

/* === Carousel === */

.carousel {
  position: relative;
  border-radius: var(--r-xl);
}

.carousel__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
  outline: none;
}

.carousel__track::-webkit-scrollbar { display: none; }

.carousel__slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  scroll-snap-stop: always;
}

.carousel__slide figure {
  margin: 0;
  display: grid;
  gap: 14px;
}

.carousel__slide img {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--line2);
  background: var(--bg2);
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
  transition: transform .25s ease;
}

.carousel__slide img:hover {
  transform: scale(1.005);
}

.carousel__slide figcaption {
  text-align: center;
  color: var(--fg2);
  font-size: 14px;
  font-weight: 500;
}

.carousel__nav {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line2);
  background: rgba(11, 10, 13, 0.7);
  color: var(--fg);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 5;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background .15s ease, border-color .15s ease, transform .12s ease;
}

.carousel__nav:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0B0A0D;
  transform: translateY(-50%) scale(1.05);
}

.carousel__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: translateY(-50%);
}

.carousel__nav:disabled:hover {
  background: rgba(11, 10, 13, 0.7);
  border-color: var(--line2);
  color: var(--fg);
}

.carousel__nav--prev { left: -10px; }
.carousel__nav--next { right: -10px; }

@media (min-width: 800px) {
  .carousel__nav--prev { left: -22px; }
  .carousel__nav--next { right: -22px; }
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip-br);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, width .25s ease;
}

.carousel__dot:hover {
  background: var(--fg3);
}

.carousel__dot[aria-selected="true"] {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* === Install === */

.install__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.install__card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.install__card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.install__card ol {
  margin: 0;
  padding-left: 20px;
  color: var(--fg2);
  font-size: 15px;
}

.install__card ol li { padding: 4px 0; }

.install__card pre {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow-x: auto;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--fg2);
  line-height: 1.6;
}

.install__card code {
  font-family: inherit;
}

.install__card .btn { align-self: flex-start; }

.install__card code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--fg);
}

.install__card pre code {
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
  font-size: 12.5px;
  color: var(--fg2);
}

/* === Gatekeeper callout === */

.gatekeeper {
  margin-top: 24px;
  padding: 32px;
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(255, 200, 87, 0.05) 0%, transparent 60%),
    var(--card);
  border: 1px solid rgba(255, 200, 87, 0.28);
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 880px) {
  .gatekeeper {
    grid-template-columns: minmax(260px, 360px) 1fr;
    gap: 40px;
    padding: 36px 40px;
  }
}

.gatekeeper__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gatekeeper__head h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg);
}

.gatekeeper__head p {
  margin: 0;
  color: var(--fg2);
  font-size: 14.5px;
  line-height: 1.6;
}

.install__pill {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 200, 87, 0.12);
  border: 1px solid rgba(255, 200, 87, 0.35);
  color: var(--warn);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
}

.gatekeeper__methods {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.gatekeeper__methods > li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  align-items: start;
}

.gatekeeper__num {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 200, 87, 0.12);
  border: 1px solid rgba(255, 200, 87, 0.32);
  color: var(--warn);
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 700;
  font-size: 13px;
}

.gatekeeper__body h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.005em;
}

.gatekeeper__body p {
  margin: 0;
  color: var(--fg2);
  font-size: 14px;
  line-height: 1.6;
}

.gatekeeper__body code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--fg);
}

.gatekeeper__body pre {
  margin: 10px 0 0;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow-x: auto;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--fg2);
  line-height: 1.6;
}

.gatekeeper__body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
}

/* === Stack === */

.stack__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.stack__chips li {
  padding: 8px 16px;
  border: 1px solid var(--chip-br);
  background: var(--chip-bg);
  border-radius: 999px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--fg2);
  letter-spacing: 0.02em;
  transition: border-color .15s ease, color .15s ease;
}

.stack__chips li:hover {
  border-color: var(--accent);
  color: var(--fg);
}

/* === Footer === */

.footer {
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 40px 32px 60px;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.footer__row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.footer__brand img { border-radius: 6px; }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--fg2);
}

.footer__links a:hover { color: var(--accent); }

.footer__note {
  margin: 0;
  color: var(--fg3);
  font-size: 12.5px;
  max-width: 700px;
}

/* === Lightbox === */

.lightbox {
  border: 0;
  padding: 0;
  background: rgba(0, 0, 0, 0.9);
  color: var(--fg);
  width: min(96vw, 1400px);
  max-width: 96vw;
  max-height: 92vh;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 92vh;
  object-fit: contain;
  background: var(--bg2);
}

.lightbox__close {
  position: absolute;
  top: 12px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line2);
  background: rgba(11, 10, 13, 0.7);
  color: var(--fg);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  display: grid;
  place-items: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox__close:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0B0A0D;
}

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

@media (max-width: 600px) {
  section { padding: 64px 20px; }
  .hero { padding: 56px 20px 32px; }
  .nav { padding: 14px 20px; }
  .footer { padding: 32px 20px 48px; }
}

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