/*
Theme Name: HIGH TENSION
Theme URI: https://hightension369.com
Author: PSYHERO
Description: HIGH TENSION psytrance crew official theme. Cosmic / psychedelic design.
Version: 1.0
*/

:root {
    --void: #02010a;
    --deep: #060318;
    --nebula1: #1a0533;
    --nebula2: #0d1a3a;
    --star: #e8e0ff;
    --glow1: #50ff8f;
    --glow2: #3affef;
    --glow3: #7fff5a;
    --warm: #ff8c42;
    --text: #c8bfee;
    --muted: #6b5f8a;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--void);
    color: var(--text);
    font-family: 'Shippori Mincho B1', 'Rajdhani', 'Noto Sans JP', serif;
    overflow-x: hidden;
    cursor: crosshair;
  }

  /* ── STARFIELD ── */
  #starfield {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
  }

  /* ── NEBULA BG ── */
  .nebula-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
      radial-gradient(ellipse 80% 60% at 20% 30%, rgba(80,255,143,0.12) 0%, transparent 60%),
      radial-gradient(ellipse 60% 80% at 80% 70%, rgba(58,255,239,0.08) 0%, transparent 60%),
      radial-gradient(ellipse 50% 50% at 50% 0%, rgba(127,255,90,0.07) 0%, transparent 50%),
      radial-gradient(ellipse 100% 50% at 50% 100%, rgba(10,3,25,0.9) 0%, transparent 100%);
    animation: nebulaDrift 20s ease-in-out infinite alternate;
  }
  @keyframes nebulaDrift {
    from { opacity: 0.7; transform: scale(1); }
    to   { opacity: 1; transform: scale(1.05); }
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 3rem;
    background: linear-gradient(to bottom, rgba(2,1,10,0.95), transparent);
    backdrop-filter: blur(4px);
  }
  .nav-logo {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.1rem;
    letter-spacing: 0.3em;
    color: var(--glow1);
    text-shadow: 0 0 20px var(--glow1), 0 0 40px rgba(80,255,143,0.4);
  }
  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
  }
  .nav-links a {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--muted);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.3s, text-shadow 0.3s;
  }
  .nav-links a:hover {
    color: var(--glow2);
    text-shadow: 0 0 10px var(--glow2);
  }

  /* ── HERO ── */
  #hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
  }
  .hero-eyebrow-img {
    display: block;
    width: clamp(260px, 55vw, 620px);
    height: auto;
    margin: 0 auto 1.5rem;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
    opacity: 1;
    animation: fadeUp 1s 0.3s both;
  }
  .hero-title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: clamp(3.5rem, 12vw, 10rem);
    letter-spacing: 0.05em;
    line-height: 0.9;
    color: transparent;
    background: linear-gradient(135deg, #fff 0%, var(--glow1) 40%, var(--glow2) 70%, var(--glow3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 0 40px rgba(80,255,143,0.5));
    opacity: 0;
    animation: fadeUp 1s 0.6s forwards;
  }
  .hero-subtitle {
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 800;
    font-size: clamp(0.85rem, 3.6vw, 1.5rem);
    letter-spacing: 0.12em;
    white-space: nowrap;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 1.5rem;
    opacity: 0;
    animation: fadeUp 1s 0.9s forwards;
  }
  .hero-line {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--glow1), transparent);
    margin: 3rem auto 0;
    opacity: 0;
    animation: fadeIn 1s 1.5s forwards;
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* ── SECTIONS ── */
  section {
    position: relative;
    z-index: 1;
    padding: 8rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
  }
  .section-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.5em;
    color: var(--glow2);
    text-transform: uppercase;
    margin-bottom: 1rem;
  }
  .section-title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--star);
    margin-bottom: 3rem;
    line-height: 1.1;
  }
  .divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, var(--glow1), var(--glow2));
    margin-bottom: 3rem;
    box-shadow: 0 0 10px var(--glow1);
  }

  /* ── CONCEPT ── */
  #concept .concept-text { text-align: center; margin-left: auto; margin-right: auto; }
  #concept .concept-text p { margin-bottom: 1.4rem; line-height: 2; font-family: 'Shippori Mincho B1', serif; text-align: center; }
  #concept .concept-text p[style*="border-left"] { border-left: none !important; padding-left: 0 !important; }

  /* ── CONCEPT PHOTO ── */
  .concept-photo {
    position: relative;
    margin: 3rem auto;
    max-width: 620px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(80,255,143,0.35);
    box-shadow: 0 0 40px rgba(80,255,143,0.18), 0 0 80px rgba(58,255,239,0.06);
    transition: box-shadow 0.5s, transform 0.5s;
  }
  .concept-photo:hover {
    box-shadow: 0 0 60px rgba(80,255,143,0.35), 0 0 120px rgba(58,255,239,0.12);
    transform: translateY(-3px);
  }
  .concept-photo img {
    width: 100%;
    display: block;
    filter: saturate(1.1) contrast(1.03);
  }
  .concept-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 55%, rgba(2,1,10,0.65) 100%);
  }
  .concept-photo figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    z-index: 1;
    padding: 1rem 1.2rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--glow2);
    text-shadow: 0 0 12px rgba(58,255,239,0.5);
    text-align: left;
  }
  @media (max-width: 600px) {
    .concept-photo figcaption { font-size: 0.5rem; letter-spacing: 0.15em; padding: 0.7rem 0.9rem; }
  }
  .concept-text {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text);
    font-weight: 300;
    max-width: 700px;
    border-left: 1px solid var(--glow1);
    padding-left: 2rem;
    margin-bottom: 2rem;
  }
  #concept .concept-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
    justify-content: center;
  }
  .tag {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    padding: 0.4rem 1rem;
    border: 1px solid var(--glow1);
    color: var(--glow1);
    border-radius: 2px;
    text-transform: uppercase;
    box-shadow: 0 0 8px rgba(80,255,143,0.2), inset 0 0 8px rgba(80,255,143,0.05);
    transition: all 0.3s;
  }
  .tag:hover {
    background: rgba(80,255,143,0.15);
    box-shadow: 0 0 20px rgba(80,255,143,0.4);
  }
  .tag.cyan {
    border-color: var(--glow2);
    color: var(--glow2);
    box-shadow: 0 0 8px rgba(58,255,239,0.2), inset 0 0 8px rgba(58,255,239,0.05);
  }
  .tag.cyan:hover { background: rgba(58,255,239,0.1); box-shadow: 0 0 20px rgba(58,255,239,0.4); }

  /* ── MEMBERS ── */
  .members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
  }
  /* 写真付きプロフィール（フィーチャー） */
  .member-feature {
    position: relative;
    display: grid;
    grid-template-columns: minmax(220px, 340px) 1fr;
    gap: 2.5rem;
    background: linear-gradient(135deg, rgba(26,5,51,0.85), rgba(13,26,58,0.85));
    border: 1px solid rgba(80,255,143,0.25);
    padding: 2.5rem;
    overflow: hidden;
    transition: all 0.4s;
    margin-bottom: 2.5rem;
  }
  .member-feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(80,255,143,0.12), transparent 65%);
    opacity: 0.6;
    pointer-events: none;
  }
  .member-feature:hover { border-color: var(--glow1); box-shadow: 0 0 40px rgba(80,255,143,0.15); }
  .member-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(80,255,143,0.3);
    align-self: start;
  }
  .member-photo img { width: 100%; display: block; }
  .member-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, transparent 60%, rgba(13,5,40,0.4));
    pointer-events: none;
  }
  .member-info { position: relative; z-index: 1; }
  .member-feature .member-name {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    margin-bottom: 0.3rem;
  }
  .member-feature .member-desc {
    white-space: pre-line;
    font-size: 0.9rem;
    line-height: 1.9;
    color: #ffffff;
  }
  @media (max-width: 700px) {
    .member-feature { grid-template-columns: 1fr; gap: 1.8rem; padding: 1.8rem; }
    .member-photo { max-width: 280px; margin: 0 auto; }
  }
  .member-card {
    position: relative;
    background: linear-gradient(135deg, rgba(26,5,51,0.8), rgba(13,26,58,0.8));
    border: 1px solid rgba(80,255,143,0.2);
    padding: 2rem 1.5rem;
    overflow: hidden;
    transition: all 0.4s;
  }
  .member-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(80,255,143,0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
  }
  .member-card:hover { border-color: var(--glow1); transform: translateY(-4px); }
  .member-card:hover::before { opacity: 1; }
  .member-role {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.55rem;
    letter-spacing: 0.3em;
    color: var(--glow2);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
  }
  .member-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--star);
    margin-bottom: 0.5rem;
  }
  .member-desc {
    font-size: 0.85rem;
    color: var(--muted);
    font-family: 'Shippori Mincho B1', serif;
    line-height: 1.7;
    font-weight: 300;
  }
  .member-orb {
    position: absolute;
    top: -20px; right: -20px;
    width: 80px; height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(80,255,143,0.3), transparent 70%);
    filter: blur(10px);
  }

  /* ── EVENTS ── */
  .events-list { display: flex; flex-direction: column; gap: 1px; }
  .event-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    align-items: center;
    gap: 2rem;
    padding: 1.8rem 2rem;
    background: rgba(26,5,51,0.3);
    border-left: 2px solid rgba(80,255,143,0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .event-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(80,255,143,0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .event-item:hover { border-left-color: var(--glow1); }
  .event-item:hover::after { opacity: 1; }
  .event-date {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--glow1);
    text-align: center;
    line-height: 1.4;
  }
  .event-date .month {
    display: block;
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.2em;
  }
  .event-name {
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 800;
    font-size: 1rem;
    color: var(--star);
    margin-bottom: 0.3rem;
  }
  .event-meta {
    font-size: 0.82rem;
    color: var(--muted);
    letter-spacing: 0.05em;
  }
  .event-badge {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--glow2);
    color: var(--glow2);
    text-transform: uppercase;
    white-space: nowrap;
  }
  .event-badge.past { border-color: var(--muted); color: var(--muted); }
  .no-events {
    padding: 3rem 2rem;
    color: var(--muted);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    border: 1px dashed rgba(107,95,138,0.3);
    text-align: center;
  }

  /* ── SNS ── */
  .sns-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
  }
  .sns-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2rem;
    background: rgba(13,26,58,0.5);
    border: 1px solid rgba(58,255,239,0.15);
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
    min-width: 200px;
  }
  .sns-link:hover {
    border-color: var(--glow2);
    background: rgba(58,255,239,0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(58,255,239,0.1);
  }
  .sns-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    color: var(--glow2);
  }
  .sns-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    font-weight: 700;
  }
  .sns-handle {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.1rem;
  }

  /* ── BOOKING ── */
  #booking {
    background: linear-gradient(135deg, rgba(26,5,51,0.5), rgba(13,26,58,0.5));
    border: 1px solid rgba(80,255,143,0.15);
    padding: 5rem 3rem;
    max-width: 1100px;
    margin: 0 auto 8rem;
    position: relative;
    z-index: 1;
    overflow: hidden;
  }
  #booking::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(80,255,143,0.08), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
  }
  .booking-inner { max-width: 600px; }
  .booking-intro {
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
  }
  .form-group { margin-bottom: 1.5rem; }
  .form-label {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--glow2);
    text-transform: uppercase;
    margin-bottom: 0.6rem;
  }
  .form-input, .form-textarea, .form-select {
    width: 100%;
    background: rgba(2,1,10,0.8);
    border: 1px solid rgba(107,95,138,0.4);
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    padding: 0.9rem 1.2rem;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    appearance: none;
  }
  .form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--glow1);
    box-shadow: 0 0 15px rgba(80,255,143,0.2);
  }
  .form-textarea { height: 130px; resize: vertical; }
  .form-select option { background: #0a0520; }
  .btn-submit {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--void);
    background: linear-gradient(90deg, var(--glow1), var(--glow3));
    border: none;
    padding: 1.1rem 3rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 30px rgba(80,255,143,0.3);
  }
  .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(80,255,143,0.5), 0 8px 20px rgba(0,0,0,0.3);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

  /* ── FOOTER ── */
  footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid rgba(107,95,138,0.2);
  }
  .footer-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.4em;
    color: transparent;
    background: linear-gradient(90deg, var(--glow1), var(--glow2));
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 1rem;
  }
  .footer-copy {
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.2em;
  }

  /* ── SCROLL REVEAL ── */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s, transform 0.8s;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── SUCCESS MSG ── */
  .form-success {
    display: none;
    padding: 1.5rem;
    border: 1px solid var(--glow2);
    color: var(--glow2);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-align: center;
    margin-top: 1.5rem;
    box-shadow: 0 0 20px rgba(58,255,239,0.2);
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { gap: 1.5rem; }
    .nav-links a { font-size: 0.75rem; }
    section { padding: 5rem 1.5rem; }
    #booking { padding: 3rem 1.5rem; }
    .event-item { grid-template-columns: 70px 1fr; }
    .event-badge { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .members-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 480px) {
    .members-grid { grid-template-columns: 1fr; }
  }

  /* HERO EYEBROW (single combined logo) */
  .hero-eyebrow-img {
    display: block;
    margin: 0 auto 1.4rem;
    width: clamp(280px, 70vw, 620px);
    height: auto;
    filter: drop-shadow(0 0 4px rgba(120,255,120,0.25));
    animation: fadeUp 1s 0.3s both;
  }

  /* ── HAMBURGER MENU ── */
  .nav-burger {
    display: none;
    flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; padding: 0;
    background: none; border: none; cursor: pointer; z-index: 120;
  }
  .nav-burger span {
    display: block; width: 26px; height: 2px;
    background: var(--glow1); border-radius: 2px;
    box-shadow: 0 0 8px var(--glow1);
    transition: transform 0.35s ease, opacity 0.25s ease;
  }
  .nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  @media (max-width: 768px) {
    .nav-burger { display: flex; }
    nav { position: fixed; }
    .nav-links {
      position: absolute; top: 100%; right: 0;
      flex-direction: column; align-items: flex-end;
      gap: 0 !important;
      min-width: 200px;
      padding: 0.5rem 0;
      background: rgba(2,1,10,0.97);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(180,79,255,0.25);
      border-radius: 0 0 0 12px;
      box-shadow: 0 12px 30px rgba(0,0,0,0.6), 0 0 24px rgba(180,79,255,0.15);
      transform-origin: top right;
      transform: scaleY(0); opacity: 0; pointer-events: none;
      transition: transform 0.28s cubic-bezier(0.16,1,0.3,1), opacity 0.25s ease;
    }
    .nav-links.open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
    .nav-links li { width: 100%; }
    .nav-links a {
      display: block; width: 100%;
      padding: 0.85rem 1.6rem;
      text-align: right;
      font-size: 0.95rem !important; letter-spacing: 0.25em !important;
      border-bottom: 1px solid rgba(255,255,255,0.04);
    }
    .nav-links li:last-child a { border-bottom: none; }
  }