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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #ffffff;
  background: #05081a url("assets/logo-bg.jpg") center top fixed;
  background-size: cover;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Header & Nav ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(
    to bottom,
    rgba(5, 0, 40, 0.82),
    rgba(5, 0, 30, 0.5)
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header-logo {
  height: 34px;
  filter: brightness(0) invert(1);
  opacity: 0.55;
}

.site-title-small {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
}

/* Desktop nav */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.98rem;
  font-weight: 600;
}

.nav a {
  position: relative;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ff4fd3, #44e3ff);
  box-shadow: 0 0 10px rgba(127, 255, 255, 0.8);
  transition: width 0.25s ease;
}

.nav a:hover,
.nav a.active {
  color: #ffffff;
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

/* Hamburger button (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ========== Layout ========== */

.main-content {
  flex: 1;
  padding: 90px 20px 40px;
}

/* 首页特殊：让 hero 真正垂直居中 */
.home .main-content {
  padding: 0 20px 40px;
}

/* 通用窄版 section */
.section-narrow {
  max-width: 1000px;
  margin: 0 auto 50px;
}

.page-header {
  text-align: center;
  margin-bottom: 30px;
}

.page-header h1 {
  font-size: 2.2rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.75);
}

/* Panel style */
.panel {
  background: rgba(5, 0, 30, 0.72);
  border-radius: 18px;
  padding: 24px 24px 28px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ========== Hero (Home) ========== */

.hero {
  min-height: calc(100vh - 150px); /* 粗略减去 header + footer 高度 */
  padding: 100px 20px 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  background: radial-gradient(
      circle at top,
      rgba(255, 111, 244, 0.55),
      transparent 55%
    ),
    radial-gradient(circle at bottom, rgba(0, 196, 255, 0.45), transparent 55%);
}

.hero-inner {
  max-width: 1050px;
  margin: 0 auto;
}

/* LOGO 容器：漂浮 + 霓虹扫描 + 背光 */
.hero-logo-wrap {
  position: relative;
  display: inline-block;
  animation: logoFloat 6s ease-in-out infinite;
}

/* LOGO 图本身 */
.hero-logo {
  max-width: 100%;
  width: 900px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 25px rgba(0, 0, 0, 0.7));
}

/* 背后柔和的霓虹光晕 */
.hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -10%;
  border-radius: 40px;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.18), transparent 60%),
    radial-gradient(circle at 80% 100%, rgba(0, 255, 234, 0.2), transparent 60%);
  filter: blur(18px);
  opacity: 0.9;
  z-index: 0;
}

/* 霓虹扫描线 */
.hero-logo-wrap::after {
  content: "";
  position: absolute;
  inset: -18%;
  border-radius: 40px;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.0) 40%,
    rgba(255, 255, 255, 0.95) 50%,
    rgba(255, 255, 255, 0.0) 60%,
    transparent 100%
  );
  mix-blend-mode: screen;
  opacity: 0;
  z-index: 2;
  animation: logoScan 4s linear infinite;
}

/* LOGO 轻微上下浮动 */
@keyframes logoFloat {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* 扫描线从左往右扫 */
@keyframes logoScan {
  0% {
    opacity: 0;
    transform: translateX(-160%);
  }
  15% {
    opacity: 0.9;
  }
  50% {
    opacity: 0.3;
    transform: translateX(160%);
  }
  100% {
    opacity: 0;
    transform: translateX(160%);
  }
}

/* tagline & 按钮 */
.hero-tagline {
  margin-top: 26px;
  font-size: 1.4rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease,
    background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(90deg, #ff4fd3, #44e3ff);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  color: #05081a;
}

.btn-secondary {
  background: rgba(10, 13, 40, 0.8);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.75);
  opacity: 0.96;
}

/* ========== Members ========== */

.members-grid-top {
  display: grid;
  grid-template-columns: minmax(250px, 360px);
  justify-content: center;
  gap: 24px;
  margin-bottom: 30px;
}

.members-grid-bottom {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.member-card {
  text-align: center;
  background: radial-gradient(
      circle at top,
      rgba(255, 111, 244, 0.2),
      transparent 60%
    ),
    radial-gradient(circle at bottom, rgba(0, 196, 255, 0.2), transparent 60%),
    rgba(5, 0, 30, 0.9);
  padding: 18px 16px 22px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.65);
}

.member-photo {
  width: 100%;
  max-width: 260px;
  height: 260px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.32);
  margin: 0 auto 14px;
  object-fit: cover;
}

.member-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.member-role {
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 8px;
}

.member-bio {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ========== Artists We Cover ========== */

.artists-intro {
  margin-bottom: 18px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.8);
}

.artists-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 6px 34px;
  padding-left: 0;
}

.artists-list li {
  list-style: none;
  padding: 2px 0;
  color: rgba(255, 255, 255, 0.9);
}

/* ========== Videos ========== */

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.video-item {
  border-radius: 16px;
  overflow: hidden;
  background: rgba(5, 0, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.7);
}

.video-title {
  padding: 10px 14px 6px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}

.video-frame-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-frame-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ========== Photos ========== */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.photo-grid img {
  width: 100%;
  height: 220px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.7);
}

/* ========== Schedule (2026 calendar) ========== */

.calendar-wrapper {
  max-width: 900px;
  margin: 0 auto 50px;
}

.month-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.month-tab {
  flex: 1 1 80px;
  min-width: 80px;
  padding: 6px 10px;
  font-size: 0.85rem;
  text-align: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(5, 0, 30, 0.85);
  cursor: pointer;
  color: rgba(255, 255, 255, 0.8);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.month-tab.active {
  background: linear-gradient(90deg, #ff4fd3, #44e3ff);
  color: #05081a;
  border-color: transparent;
}

.calendar-panel {
  background: rgba(5, 0, 30, 0.9);
  border-radius: 18px;
  padding: 16px 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.75);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  text-align: center;
  font-size: 0.82rem;
}

.calendar-grid .dow {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  padding-bottom: 4px;
}

.calendar-grid .day {
  padding: 6px 2px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  min-height: 28px;
  color: rgba(255, 255, 255, 0.86);
}

/* ========== Contact ========== */

.contact-info {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
}

.contact-info a {
  color: #7de8ff;
}

.contact-info a:hover {
  text-decoration: underline;
}

/* ========== Footer ========== */

.site-footer {
  padding: 14px 20px 18px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
  background: linear-gradient(
    to top,
    rgba(5, 0, 25, 0.92),
    rgba(5, 0, 25, 0.7)
  );
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {

  /* header 小标题缩小一点 */
  .site-title-small {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
  }

  /* 手机才显示汉堡按钮（桌面是 display:none） */
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  /* 手机端默认隐藏导航菜单 */
  .nav {
    display: none;              /* 先藏起来，等 .nav-open 再显示 */
    position: absolute;
    top: 60px;
    right: 14px;
    width: 180px;
    flex-direction: column;
    gap: 12px;
    padding: 18px 20px;
    background: rgba(5, 0, 30, 0.92);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 10px 25px rgba(0,0,0,0.65);
    z-index: 1000;
  }

  /* 点击汉堡按钮后，JS 会给 nav 加上 nav-open，这里让它显示出来 */
  .nav.nav-open {
    display: flex;
  }

  /* 手机版菜单里面每一条链接样式 */
  .nav a {
    font-size: 1rem;
    padding: 6px 0;
    width: 100%;
  }
}