/* ================================================
   LANDING PAGE — "Atinge Arta"
   Gallery noir editorial style
   All values reference variables.css tokens
   ================================================ */

/* --- Reset & Base --- */
.landing-body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.landing-body *, .landing-body *::before, .landing-body *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Container --- */
.landing-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Navigation --- */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.landing-nav--solid {
  background: var(--color-bg);
  border-bottom-color: var(--color-border);
}

.landing-nav:not(.landing-nav--solid) {
  background: rgba(10, 10, 15, 0);
}

[data-theme="light"] .landing-nav:not(.landing-nav--solid) {
  background: rgba(247, 246, 243, 0);
}

.landing-nav__left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.landing-nav__brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: .02em;
}

.landing-nav__version {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: .6;
  font-family: var(--font-body);
  letter-spacing: .02em;
}

.landing-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.landing-nav__btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color var(--duration-fast), border-color var(--duration-fast);
  line-height: 1.4;
}

.landing-nav__btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

.landing-nav__btn--active {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Hero --- */
.landing-hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: var(--space-2xl) var(--space-lg);
}

.landing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(212, 168, 67, .04) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="light"] .landing-hero::before {
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(184, 146, 46, .06) 0%, transparent 70%);
}

.landing-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px;
  opacity: .35;
  pointer-events: none;
}

[data-theme="light"] .landing-hero::after {
  opacity: .15;
}

.landing-hero__content {
  position: relative;
  z-index: 1;
  animation: landingFadeUp .8s var(--ease-out) both;
  animation-delay: .2s;
}

.landing-hero__series {
  font-family: var(--font-display);
  font-size: clamp(.875rem, 1.8vw, 1.1rem);
  font-style: italic;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: .08em;
  margin-bottom: var(--space-lg);
  opacity: .85;
}

.landing-hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text);
  letter-spacing: -.02em;
  margin-bottom: var(--space-lg);
}

.landing-hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.landing-hero__rule {
  width: 80px;
  height: 1px;
  background: var(--color-accent);
  border: none;
  margin: 0 auto var(--space-xl);
  opacity: .6;
}

.landing-hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.landing-hero__byline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-weight: 500;
}

.landing-hero__scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: landingBounce 2s infinite;
  color: var(--color-text-muted);
  transition: opacity var(--duration-normal);
}

.landing-hero__scroll--hidden {
  opacity: 0;
  pointer-events: none;
}

/* --- Countdown (inside hero) --- */
.landing-countdown {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  animation: landingFadeUp .8s var(--ease-out) both;
  animation-delay: .6s;
}

.landing-countdown__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.landing-countdown__dates {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  letter-spacing: .01em;
}

.landing-countdown__dot {
  color: var(--color-text-muted);
  opacity: .5;
}

.landing-countdown__location {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.landing-countdown__pin {
  flex-shrink: 0;
  color: var(--color-accent);
  opacity: .7;
}

.landing-countdown__timer {
  display: flex;
  align-items: center;
  gap: 2px;
}

.landing-countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 56px;
}

.landing-countdown__number {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  width: 2.4ch;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.landing-countdown__unit-label {
  font-size: .65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-top: 2px;
}

.landing-countdown__sep {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--color-text-muted);
  opacity: .3;
  align-self: flex-start;
  line-height: 1.3;
  width: 12px;
  text-align: center;
}

.landing-countdown__status {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  text-align: center;
}

.landing-countdown__status--live {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-style: normal;
  font-weight: 600;
  color: var(--color-success);
}

.landing-countdown__live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-success);
  animation: landingLivePulse 2s ease-in-out infinite;
}

@media (max-width: 480px) {
  .landing-countdown__unit {
    width: 46px;
  }

  .landing-countdown__sep {
    width: 8px;
  }
}

/* --- Sections --- */
.landing-section {
  padding: clamp(4rem, 10vh, 8rem) 0;
}

.landing-section__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.landing-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

/* --- Concept Section --- */
.landing-concept {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 769px) {
  .landing-concept {
    grid-template-columns: 1fr 1fr;
  }
}

.landing-concept__text {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-xl);
}

.landing-concept__text p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.landing-concept__text p:last-child {
  margin-bottom: 0;
}

.landing-concept__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-concept__svg {
  width: 100%;
  max-width: 360px;
  height: auto;
}

/* --- Invitation --- */
.landing-invitation {
  text-align: center;
  padding: clamp(3rem, 8vh, 6rem) var(--space-lg);
  position: relative;
}

.landing-invitation::before,
.landing-invitation::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-border);
  margin: 0 auto;
}

.landing-invitation::before {
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}

.landing-invitation::after {
  margin-top: clamp(2rem, 5vh, 3.5rem);
}

.landing-invitation__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.5vw, 2.5rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-accent);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.landing-invitation__sub {
  font-size: clamp(.875rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  font-style: italic;
  letter-spacing: .02em;
}

/* --- Gallery --- */
.landing-gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .landing-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .landing-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .landing-gallery-card:first-child {
    grid-column: span 2;
  }
}

.landing-gallery-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
  cursor: default;
}

.landing-gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-accent-dim);
}

.landing-gallery-card__img-wrap {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-gallery-card__img-wrap::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: var(--img-bg, transparent);
  background-size: cover;
  background-position: center;
  filter: blur(30px) saturate(1.4);
  opacity: .35;
  z-index: 0;
}

.landing-gallery-card__img {
  position: relative;
  z-index: 1;
  width: 60%;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  aspect-ratio: 1;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.4));
  transition: transform var(--duration-normal) var(--ease-out);
}

.landing-gallery-card:hover .landing-gallery-card__img {
  transform: scale(1.04);
}

@media (min-width: 1024px) {
  .landing-gallery-card:first-child .landing-gallery-card__img-wrap {
    aspect-ratio: 21 / 11;
  }
}

.landing-gallery-card__body {
  padding: var(--space-lg);
}

.landing-gallery-card__caption {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.landing-gallery-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.landing-gallery-card__pins {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.landing-pin-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Loading skeleton --- */
.landing-gallery-skeleton {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: landingPulse 1.5s ease-in-out infinite;
}

.landing-gallery-skeleton__img {
  aspect-ratio: 16 / 11;
  background: var(--color-bg-elevated);
}

.landing-gallery-skeleton__body {
  padding: var(--space-lg);
}

.landing-gallery-skeleton__line {
  height: 14px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.landing-gallery-skeleton__line--title {
  width: 60%;
  height: 20px;
}

.landing-gallery-skeleton__line--short {
  width: 80%;
}

/* --- How It Works --- */
.landing-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  position: relative;
}

@media (min-width: 769px) {
  .landing-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .landing-steps::before {
    content: '';
    position: absolute;
    top: 44px;
    left: calc(16.66% + 30px);
    right: calc(16.66% + 30px);
    height: 1px;
    background: var(--color-accent);
    opacity: .3;
  }
}

.landing-step {
  text-align: center;
}

.landing-step__icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  background: var(--color-bg);
  position: relative;
  z-index: 1;
}

.landing-step__icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-accent);
}

.landing-step__label {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.landing-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Stats --- */
.landing-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .landing-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.landing-stat {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.landing-stat__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.landing-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* --- Artist --- */
.landing-artist {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.landing-artist__quote {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  padding: 0 var(--space-xl);
}

.landing-artist__quote::before,
.landing-artist__quote::after {
  font-size: 4rem;
  color: var(--color-accent);
  opacity: .4;
  font-family: var(--font-display);
  line-height: 1;
  position: absolute;
}

.landing-artist__quote::before {
  content: '\201C';
  top: -.25em;
  left: -.15em;
}

.landing-artist__quote::after {
  content: '\201D';
  bottom: -.5em;
  right: -.15em;
}

.landing-artist__name {
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.landing-artist__bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto;
}

/* --- Footer --- */
.landing-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  text-align: center;
}

.landing-footer__text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.landing-footer__link {
  color: var(--color-accent);
  text-decoration: none;
}

.landing-footer__link:hover {
  text-decoration: underline;
}

/* --- Scroll Reveal --- */
.landing-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.landing-reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Sound Toggle (FAB) --- */
.landing-sound-fab {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 99;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: border-color var(--duration-fast), color var(--duration-fast),
              box-shadow var(--duration-fast);
}

.landing-sound-fab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.landing-sound-fab--active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

/* --- SSE Live Indicator --- */
.landing-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-danger);
  display: inline-block;
  margin-right: var(--space-xs);
  vertical-align: middle;
}

.landing-live-dot--connected {
  background: var(--color-success);
  animation: landingLivePulse 2s ease-in-out infinite;
}

@keyframes landingLivePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* --- Gallery Card Live States --- */
.landing-gallery-card--active {
  border-color: var(--color-accent) !important;
  box-shadow: var(--shadow-glow) !important;
}

.landing-gallery-card--active .landing-gallery-card__img {
  animation: landingCardImgPulse 1.5s ease-in-out infinite;
}

@keyframes landingCardImgPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.landing-pin-dot--playing {
  animation: landingPinDotPulse 0.6s ease-in-out infinite;
  box-shadow: 0 0 8px currentColor;
}

@keyframes landingPinDotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.4); }
}

/* --- Divider --- */
.landing-divider {
  width: 60px;
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: 0 auto;
}

/* --- Animations --- */
@keyframes landingFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes landingBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes landingPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .landing-hero__content { animation: none; }
  .landing-hero__scroll { animation: none; }
  .landing-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .landing-gallery-card { transition: none; }
  .landing-gallery-card__img { transition: none; }
}