/* ============================================================
   Loop Kumamoto Music Festival — style.css
   ============================================================ */

/* --- Custom Properties --- */
:root {
  --forest:       #2C4A2E;
  --forest-mid:   #3D6640;
  --forest-light: #6A9B6D;
  --rust:         #C4622D;
  --rust-light:   #E8834A;
  --cream:        #FAF6EC;
  --sand:         #F5EDD8;
  --sand-deep:    #E8D9B5;
  --ink:          #1A1A18;
  --ink-soft:     #3A3A36;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Noto Serif JP', 'Georgia', serif;
  --font-ui:      'Zen Kaku Gothic New', sans-serif;

  --nav-h: 72px;
  --section-pad: clamp(4rem, 8vw, 8rem);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

/* ============================================================
   NAVIGATION
   ============================================================ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  background: rgba(250, 246, 236, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 74, 46, 0.12);
  transition: background 0.3s;
}

.nav-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  list-style: none;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--forest);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.nav-links a:hover { color: var(--rust); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: none;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100svh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

/* Ripple canvas (behind all hero content) */
#ripple-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}


@keyframes heroSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Left column */
.hero-left {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 6rem) clamp(2rem, 6vw, 5rem);
  gap: 2rem;
}

.hero-left .hero-tag        { animation: heroSlideUp 0.8s ease-out 0.2s both; }
.hero-left .hero-logo       { animation: heroSlideUp 0.8s ease-out 0.4s both; }
.hero-left h1               { animation: heroSlideUp 0.8s ease-out 0.6s both; }
.hero-left .hero-event-info { animation: heroSlideUp 0.8s ease-out 0.8s both; }
.hero-left .hero-cta-group  { animation: heroSlideUp 0.8s ease-out 1.0s both; }

.hero-logo {
  width: clamp(160px, 22vw, 280px);
}

.hero-title-jp {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 600;
  color: var(--forest);
  letter-spacing: 0.08em;
}

.hero-event-info {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.hero-date {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.hero-date span {
  font-size: 0.45em;
  font-weight: 400;
  display: block;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-top: 0.3em;
}

.hero-venue {
  font-family: var(--font-ui);
  font-size: clamp(0.75rem, 1.3vw, 0.9rem);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85em 1.8em;
  border-radius: 2px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s, transform 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--rust);
  color: #fff;
}
.btn-primary:hover {
  background: var(--rust-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--forest);
}
.btn-outline:hover {
  background: var(--forest);
  color: var(--cream);
  transform: translateY(-1px);
}

.hero-tag {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--forest-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-tag::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--forest-light);
}

/* Right column — photo */
.hero-right {
  position: relative;
  z-index: 2;
  overflow: hidden;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: scale(1.03); }
  to   { opacity: 1; transform: scale(1); }
}

.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  animation: heroFadeIn 1.2s ease-out both;
}

/* fade from left */
.hero-right::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, var(--cream) 0%, transparent 35%);
  pointer-events: none;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.section-label::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--rust);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   CONCEPT
   ============================================================ */
#concept {
  padding: var(--section-pad) clamp(1.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.concept-left {}

.concept-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--forest);
  margin-bottom: 2.5rem;
}

.artist-card {
  background: var(--sand);
  border-left: 3.5px solid var(--rust);
  padding: 1.4rem 1.6rem;
  margin-top: 0.5rem;
}

.artist-card-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 0.5rem;
}

.artist-card-name {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.artist-card-role {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.concept-right {}

.concept-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}
.concept-eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--rust);
}

.concept-quote {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.concept-quote em {
  font-style: normal;
  color: var(--forest);
  font-weight: 600;
}

.concept-loop-word {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 300;
  color: var(--sand-deep);
  line-height: 1;
  letter-spacing: 0.15em;
  user-select: none;
  text-align: right;
  margin-top: 2rem;
}

/* ============================================================
   LINEUP
   ============================================================ */
#lineup {
  background: var(--forest);
  padding: var(--section-pad) clamp(1.5rem, 7vw, 6rem);
  color: var(--cream);
}

#lineup .section-label {
  color: var(--forest-light);
}
#lineup .section-label::before {
  background: var(--forest-light);
}

.lineup-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 3rem;
}

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
}

.lineup-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  transition: transform 0.25s;
}

.lineup-card:hover {
  transform: translateY(-4px);
}

.lineup-card.headliner {
  border-color: rgba(196, 98, 45, 0.4);
}

.lineup-card.headliner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 35%, rgba(10,20,10,0.82) 100%);
  z-index: 1;
}

.lineup-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.4rem 1.5rem;
  z-index: 2;
}

.lineup-card-photo-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.lineup-card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

.lineup-card:hover .lineup-card-photo {
  transform: scale(1.07);
}

.lineup-card-label {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust-light);
  margin-bottom: 1rem;
}

.lineup-card-name {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--cream);
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.lineup-card-name-jp {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: rgba(250,246,236,0.7);
  margin-bottom: 1rem;
}

.lineup-card-desc {
  display: none;
}

.lineup-tba {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 1.4rem 1.5rem;
}

@keyframes tbaPulse {
  0%, 100% { opacity: 0.25; }
  50%       { opacity: 0.6; }
}

.lineup-tba-text {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 300;
  color: rgba(250,246,236,0.25);
  letter-spacing: 0.15em;
  animation: tbaPulse 2.5s ease-in-out infinite;
}

.lineup-tba-sub {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: rgba(250,246,236,0.3);
  letter-spacing: 0.12em;
  margin-top: 0.4rem;
}

/* ============================================================
   TIMETABLE
   ============================================================ */
#timetable {
  padding: var(--section-pad) clamp(1.5rem, 7vw, 6rem);
  background: var(--sand);
}

.timetable-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--forest);
  margin-bottom: 2.5rem;
}

.timetable-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--sand-deep);
}

.tab-btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.8rem 2rem;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}

.tab-btn.active {
  color: var(--forest);
  border-bottom-color: var(--rust);
}

.tab-btn:hover {
  color: var(--forest);
}

.timetable-panel { display: none; }
.timetable-panel.active { display: block; }

.timetable-note {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 2rem;
  text-align: center;
  background: var(--sand-deep);
  border-radius: 2px;
}

.timetable-grid {
  border: 1px solid var(--sand-deep);
  border-radius: 2px;
  overflow: hidden;
}

.timetable-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  border-bottom: 1px solid var(--sand-deep);
  align-items: stretch;
}
.timetable-row:last-child { border-bottom: none; }

.timetable-time {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--forest-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 0.8rem;
  background: var(--cream);
  border-right: 1px solid var(--sand-deep);
  letter-spacing: 0.04em;
}

.timetable-act {
  padding: 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timetable-act-name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 600;
}
.timetable-act-sub {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 0.2rem;
}

/* ============================================================
   ACCESS
   ============================================================ */
#access {
  padding: var(--section-pad) clamp(1.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.access-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--forest);
  margin-bottom: 2rem;
}

.access-block {
  margin-bottom: 2rem;
}

.access-block-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 0.6rem;
}

.access-block-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.9;
}

.access-map-wrap {
  border: 1px solid var(--sand-deep);
  border-radius: 2px;
  overflow: hidden;
  min-height: 400px;
}

.access-map-wrap iframe {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
}

.access-map-wrap svg {
  width: 100%;
  max-width: 380px;
  height: auto;
}

/* ============================================================
   TICKET
   ============================================================ */
#ticket {
  background: var(--forest);
  padding: var(--section-pad) clamp(1.5rem, 7vw, 6rem);
  text-align: center;
  color: var(--cream);
}

.ticket-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.ticket-price {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  color: rgba(250,246,236,0.25);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.ticket-tba-note {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: rgba(250,246,236,0.55);
  margin-bottom: 3rem;
  letter-spacing: 0.06em;
}

.ticket-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-light {
  background: var(--cream);
  color: var(--forest);
}
.btn-light:hover {
  background: var(--sand);
  transform: translateY(-1px);
}

.btn-outline-light {
  background: transparent;
  color: var(--cream);
  border: 1.5px solid rgba(250,246,236,0.5);
}
.btn-outline-light:hover {
  border-color: var(--cream);
  transform: translateY(-1px);
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--ink);
  padding: 3rem clamp(1.5rem, 7vw, 6rem);
  color: rgba(250,246,236,0.65);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  height: 36px;
  opacity: 0.85;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-nav a {
  color: rgba(250,246,236,0.5);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--cream); }

.footer-sns {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.footer-sns a {
  color: rgba(250,246,236,0.5);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-sns a:hover { color: var(--cream); }

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(250,246,236,0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  #hero {
    grid-template-columns: 1fr;
  }
  .hero-right {
    display: none;
  }
  #concept,
  #access {
    grid-template-columns: 1fr;
  }
  .lineup-grid {
    grid-template-columns: 1fr 1fr;
  }
}


@media (max-width: 600px) {
  :root { --nav-h: 60px; }

  .nav-links {
    display: none;
  }

  .hero-left {
    padding: 2rem 1.5rem;
  }

  .lineup-grid {
    grid-template-columns: 1fr 1fr;
  }

  .timetable-tabs { overflow-x: auto; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  #ripple-canvas { display: none; }
}

/* ============================================================
   ARTIST MODAL
   ============================================================ */
.lineup-card-more {
  margin-top: 1rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--rust-light);
  opacity: 0.85;
}

#artist-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

#artist-modal[hidden] { display: none; }

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 24, 0.75);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--forest);
  color: var(--cream);
  border-radius: 4px;
  padding: clamp(2rem, 5vw, 3rem);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 0.25s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  color: var(--cream);
  font-size: 1.6rem;
  cursor: pointer;
  opacity: 0.6;
  line-height: 1;
  padding: 0.2rem 0.4rem;
}
.modal-close:hover { opacity: 1; }

.modal-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust-light);
  margin-bottom: 0.6rem;
}

.modal-name {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.modal-name-jp {
  font-family: var(--font-body);
  font-size: 1.05rem;
  margin-top: 0.3rem;
  opacity: 0.75;
}

.modal-role {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--forest-light);
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.modal-bio p {
  font-size: 0.92rem;
  line-height: 1.9;
  opacity: 0.88;
  margin-bottom: 0.8rem;
}

.modal-btn {
  margin-top: 1.5rem;
  display: inline-block;
}