:root {
    --bg-dark: #0a192f;
    --text-light: #f1f1f1;
    --accent: #e0c097;
    --font-serif: 'Crimson Pro', serif;
    --font-sans: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Overlay to ensure readability */
section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 25, 47, 0.6);
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.site-header {
    width: 100%;
    padding: 14px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 25, 47, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(224, 192, 151, 0.15);
}

.header-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-family: var(--font-serif);
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 0.06em;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: flex-end;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.25s ease, color 0.25s ease;
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    opacity: 1;
    color: #ffffff;
}

h1, h2, h3 {
    font-family: var(--font-serif);
    color: var(--accent);
    margin-bottom: 20px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }

p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 300;
}

.highlight-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--accent);
    padding: 30px;
    margin: 20px 0;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    text-align: left;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    width: 100%;
    margin-top: 30px;
}

.spectrum-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 20px;
    width: min(100%, 840px);
    margin: 30px auto 0;
    justify-content: center;
}

.metric-row {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 40px;
    border-top: 1px solid var(--accent);
    padding-top: 20px;
}

.metric {
    text-align: center;
    padding: 10px 20px;
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-family: var(--font-serif);
    color: var(--accent);
}

.metric-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.member-row {
    transition: background 0.25s ease;
}

.member-row:hover {
    background: rgba(224, 192, 151, 0.08);
}

.member-link {
    color: var(--accent);
    text-decoration: none;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.25s ease, transform 0.25s ease;
}

.member-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: rgba(224, 192, 151, 0.9);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.member-link:hover {
    transform: translateY(-1px);
}

.member-link:hover::after {
    transform: scaleX(1);
}

.member-link span {
    opacity: 0;
    transform: translateX(-4px);
    transition: transform 0.25s ease, opacity 0.25s ease;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.member-link:hover span {
    opacity: 1;
    transform: translateX(0);
}

.song-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.song-header h3 {
    margin: 0;
    flex: 1;
}

/* When a song-header contains a direct <a> (used in dense grids like page13),
   give the link the same flex behavior so the row layout matches. */
.song-header > a {
    flex: 1;
    font-size: 1.05rem;
    text-align: left;
}

.play-btn {
    background: rgba(224, 192, 151, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    flex-shrink: 0;
}

.play-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: scale(1.1);
    border-color: #ffffff;
}

.play-btn:active {
    transform: scale(0.95);
}

.play-btn.playing {
    background: var(--accent);
    color: var(--bg-dark);
    animation: pulse 0.6s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Pause icon: hidden by default, shown when playing */
.play-btn .icon-pause { display: none; }
.play-btn.playing .icon-play { display: none; }
.play-btn.playing .icon-pause { display: inline; }

.play-btn svg {
    width: 13px;
    height: 13px;
}

.song-page-link {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.25s ease, text-decoration 0.25s ease;
}

.song-page-link:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Backgrounds for each section */
#page1 { background-image: url('optimized_images/page-01.webp'); }
#page2 { background-image: url('optimized_images/page-02.webp'); }
#page3 { background-image: url('optimized_images/page-03.webp'); }
#page4 { background-image: url('optimized_images/page-04.webp'); }
#page5 { background-image: url('optimized_images/page-05.webp'); }
#page6 { background-image: url('optimized_images/page-06.webp'); }
#page7 { background-image: url('optimized_images/page-07.webp'); }
#page8 { background-image: url('optimized_images/page-08.webp'); }
#page9 { background-image: url('optimized_images/page-09.webp'); }
#page10 { background-image: url('optimized_images/page-10.webp'); }
#page11 { background-image: url('optimized_images/page-11.webp'); }
#page12 { background-image: url('optimized_images/page-12.webp'); }
#page13 { background-image: url('optimized_images/page-13.webp'); }
#page14 { background-image: url('optimized_images/page-14.webp'); }
#page15 { background-image: url('optimized_images/page-15.webp'); }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    section { background-attachment: scroll; }
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .main-nav {
        justify-content: flex-start;
        gap: 12px;
    }
    .spectrum-grid {
        grid-template-columns: 1fr;
    }
}

/* === KM-HISTORY-NAV-2026-06-28 === */
/* ---- Logo mark + nav jump separator ---- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  color: var(--accent);
  text-decoration: none;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.85; }
.logo-mark { font-size: 1.3rem; line-height: 1; filter: drop-shadow(0 0 10px rgba(224, 192, 151, 0.4)); }

.main-nav-sep {
  display: inline-block;
  width: 1px;
  height: 18px;
  background: rgba(224, 192, 151, 0.3);
  margin: 0 4px;
  align-self: center;
}

.main-nav-jump {
  font-size: 0.9em;
  opacity: 0.75;
  font-weight: 400;
}
.main-nav-jump:hover {
  opacity: 1;
  color: var(--accent);
}

.main-nav a.is-current {
  color: var(--accent);
  opacity: 1;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

/* ---- Mobile hamburger toggle ---- */
.km-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(224, 192, 151, 0.4);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  transition: border-color 0.18s, background 0.18s;
}
.km-nav-toggle:hover, .km-nav-toggle:focus-visible { border-color: var(--accent); background: rgba(224, 192, 151, 0.08); outline: none; }
.km-nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-light); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }

@media (max-width: 900px) {
  .main-nav { display: none; }
  .main-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 14px;
    background: rgba(10, 25, 47, 0.97);
    border-bottom: 1px solid rgba(224, 192, 151, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .main-nav.is-open a {
    padding: 10px 0;
    border-bottom: 1px solid rgba(224, 192, 151, 0.08);
  }
  .main-nav.is-open a:last-child { border-bottom: none; }
  .main-nav.is-open .main-nav-sep { display: none; }
  .km-nav-toggle { display: flex; }
  .header-inner { position: relative; }
}

/* ---- Footer (4-column block) ---- */
.km-footer-block {
  position: relative;
  z-index: 5;
  margin-top: 40px;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.0) 0%, rgba(10, 25, 47, 0.85) 40%, var(--bg-dark) 100%);
  border-top: 1px solid rgba(224, 192, 151, 0.18);
  color: var(--text-light);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.km-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 28px 30px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
}
.km-footer-col { min-width: 0; }
.km-logo-footer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}
.km-logo-footer .logo-mark { font-size: 1.3rem; }
.km-footer-tag { font-size: 13px; line-height: 1.6; color: rgba(241, 241, 241, 0.78); margin: 0 0 14px; }
.km-footer-meta { font-size: 11px; color: rgba(241, 241, 241, 0.55); letter-spacing: 0.5px; margin: 0; }
.km-footer-h {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(224, 192, 151, 0.18);
}
.km-footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.km-footer-list a {
  color: rgba(241, 241, 241, 0.88);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.16s;
  display: inline-block;
  padding: 1px 0;
}
.km-footer-list a:hover, .km-footer-list a:focus-visible { color: var(--accent); text-decoration: none; outline: none; }
.km-footer-bottom {
  border-top: 1px solid rgba(224, 192, 151, 0.12);
  padding: 18px 28px;
  text-align: center;
  color: rgba(241, 241, 241, 0.55);
  font-size: 11px;
  letter-spacing: 0.4px;
}
.km-footer-bottom p { margin: 0; }

@media (max-width: 900px) {
  .km-footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; padding: 40px 22px 24px; }
}
@media (max-width: 600px) {
  .km-footer-inner { grid-template-columns: 1fr; gap: 26px; padding: 36px 20px 20px; }
}
/* === /KM-HISTORY-NAV-2026-06-28 === */