/* =====================================================
   $HELL — 地獄に堕ちるわよ Meme Generator
   CSS Design System
   ===================================================== */

:root {
  --red-deep: #8B0000;
  --red-mid: #B22222;
  --red-glow: #FF2222;
  --gold: #D4A017;
  --gold-light: #F5C842;
  --gold-bright: #FFD700;
  --cream: #F5EDD8;
  --black: #0A0000;
  --dark: #120000;
  --dark2: #1A0505;
  --dark3: #220808;
  --white: #FFFFFF;
  --text-muted: #9A8070;
  --border: rgba(212,160,23,0.25);
  --shadow-red: 0 0 40px rgba(139,0,0,0.5);
  --shadow-gold: 0 0 20px rgba(212,160,23,0.3);
  --font-jp: 'Noto Serif JP', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-display: 'Bebas Neue', cursive;
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--black);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ---- UTILS ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.gold { color: var(--gold-light); }
a { color: inherit; text-decoration: none; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(10,0,0,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 1px solid var(--gold); }
.nav-title { font-family: var(--font-display); font-size: 22px; color: var(--gold-bright); letter-spacing: 2px; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-link { font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--cream); opacity: 0.75; transition: var(--transition); }
.nav-link:hover { opacity: 1; color: var(--gold-light); }
.nav-socials { display: flex; align-items: center; gap: 12px; margin-left: 20px; }
.nav-social-icon { width: 26px; height: 26px; object-fit: contain; opacity: 0.8; transition: var(--transition); filter: brightness(0) invert(1); }
.nav-social-icon:hover { opacity: 1; filter: none; }
.nav-x-link { font-size: 18px; color: var(--cream); opacity: 0.8; transition: var(--transition); }
.nav-x-link:hover { opacity: 1; color: var(--gold-light); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 60px;
}
.hero-banner {
  position: absolute;
  inset: 0;
}
.hero-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.35;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,0,0,0.3) 0%,
    rgba(10,0,0,0.1) 40%,
    rgba(10,0,0,0.7) 70%,
    var(--black) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 24px 100px;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  background: var(--red-deep);
  border: 1px solid var(--red-mid);
  color: var(--cream);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 28px;
  animation: pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(178,34,34,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(178,34,34,0); }
}
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-jp {
  font-family: var(--font-jp);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  color: var(--gold-light);
  text-shadow: 0 0 30px rgba(212,160,23,0.5);
  letter-spacing: 4px;
}
.hero-en {
  font-family: var(--font-display);
  font-size: clamp(60px, 12vw, 130px);
  color: var(--white);
  letter-spacing: 8px;
  text-shadow: 0 0 60px rgba(178,34,34,0.6), 0 4px 20px rgba(0,0,0,0.8);
  line-height: 0.9;
}
.hero-sub {
  font-size: 18px;
  color: var(--cream);
  opacity: 0.8;
  margin-bottom: 40px;
  line-height: 1.6;
}
.hero-cta {
  display: inline-block;
  background: var(--red-deep);
  border: 2px solid var(--gold);
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
  padding: 16px 48px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(139,0,0,0.4);
}
.hero-cta:hover {
  background: var(--red-mid);
  box-shadow: 0 0 50px rgba(139,0,0,0.7);
  transform: translateY(-2px);
  color: var(--white);
}
.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  color: var(--gold);
  opacity: 0.5;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---- SECTION BASE ---- */
.section {
  padding: 100px 0;
}
.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--red-mid);
  margin-bottom: 12px;
  font-family: var(--font-display);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1;
}
.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 52px;
  max-width: 500px;
}

/* ---- ABOUT ---- */
.about-section { background: var(--dark); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 40px;
}
.about-text p {
  color: var(--cream);
  opacity: 0.85;
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 1.75;
}
.about-text strong { color: var(--gold-light); }
.about-text em { color: var(--red-glow); font-style: normal; }
.about-cta-text { font-size: 18px !important; font-weight: 700; color: var(--gold-bright) !important; opacity: 1 !important; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--gold); box-shadow: var(--shadow-gold); }
.stat-num { font-family: var(--font-display); font-size: 36px; color: var(--gold-bright); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 8px; letter-spacing: 1px; text-transform: uppercase; }

/* ---- GALLERY ---- */
.gallery-section {
  background: var(--black);
  padding: 80px 0;
  overflow: hidden;
}
.gallery-scroll {
  overflow: hidden;
  width: 100%;
  padding: 16px 0;
}
.gallery-track {
  display: flex;
  gap: 16px;
  animation: scroll-gallery 25s linear infinite;
  width: max-content;
}
.gallery-track:hover { animation-play-state: paused; }
@keyframes scroll-gallery {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.gallery-item {
  flex: 0 0 auto;
  width: 180px;
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.gallery-item:hover { border-color: var(--gold); transform: scale(1.03); }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- GENERATOR ---- */
.generator-section { background: var(--dark); }
.generator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 16px;
}
.gen-controls { display: flex; flex-direction: column; gap: 24px; }
.gen-panel {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: var(--transition);
}
.gen-panel:hover { border-color: rgba(212,160,23,0.4); }
.gen-panel-num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--red-deep);
  opacity: 0.5;
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}
.gen-panel-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--gold-light);
  margin-bottom: 16px;
}

/* Upload zone */
.upload-zone {
  border: 2px dashed rgba(212,160,23,0.3);
  border-radius: var(--radius);
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--gold);
  background: rgba(212,160,23,0.05);
}
.upload-placeholder { text-align: center; padding: 24px; }
.upload-icon { font-size: 32px; margin-bottom: 10px; }
.upload-placeholder p { color: var(--cream); font-size: 14px; margin-bottom: 6px; }
.upload-placeholder span { color: var(--text-muted); font-size: 12px; }
.upload-preview { position: relative; width: 100%; }
.upload-preview img { width: 100%; max-height: 200px; object-fit: contain; display: block; border-radius: 4px; }
.upload-change {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(10,0,0,0.8);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 1px;
}
.upload-change:hover { background: var(--red-deep); }

/* Name input */
.name-input {
  width: 100%;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 18px;
  font-family: var(--font-body);
  padding: 14px 18px;
  outline: none;
  transition: var(--transition);
}
.name-input:focus { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(212,160,23,0.15); }
.name-input::placeholder { color: var(--text-muted); }
.name-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* Generate button */
.btn-generate {
  width: 100%;
  background: var(--red-deep);
  border: 2px solid var(--gold);
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
  padding: 18px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(139,0,0,0.3);
}
.btn-generate:hover:not(:disabled) {
  background: var(--red-mid);
  box-shadow: 0 0 50px rgba(139,0,0,0.6);
  transform: translateY(-2px);
}
.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,215,0,0.3);
  border-top-color: var(--gold-bright);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.btn-spinner.active { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.gen-disclaimer { font-size: 11px; color: var(--text-muted); text-align: center; letter-spacing: 0.5px; }
.gen-error {
  background: rgba(139,0,0,0.3);
  border: 1px solid var(--red-mid);
  color: #FF8080;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
}

/* Output */
.gen-output { display: flex; flex-direction: column; gap: 16px; }
.gen-result-frame {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.gen-placeholder { text-align: center; padding: 40px 24px; }
.gp-icon { font-size: 48px; margin-bottom: 16px; }
.gen-placeholder p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 8px; }
.gen-loading {
  text-align: center;
  padding: 40px;
  position: absolute;
  inset: 0;
  background: var(--dark2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
}
.loading-ring {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(212,160,23,0.15);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 24px;
}
.loading-text {
  font-family: var(--font-jp);
  font-size: 18px;
  color: var(--gold-light);
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.loading-sub { font-size: 13px; color: var(--text-muted); }
.gen-result-img-wrap { width: 100%; }
.gen-result-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}
.gen-actions { display: flex; gap: 12px; }
.btn-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-download {
  background: var(--dark3);
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-download:hover { background: rgba(212,160,23,0.15); }
.btn-share {
  background: var(--dark3);
  border: 1px solid #555;
  color: var(--cream);
}
.btn-share:hover { background: rgba(255,255,255,0.08); border-color: var(--cream); }

/* ---- BUZZ / TWEETS ---- */
.buzz-section { background: var(--black); }
.tweets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.tweet-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.tweet-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-gold); }
.tweet-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.tweet-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--red-deep);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.tweet-user-info { flex: 1; }
.tweet-name { font-weight: 700; font-size: 14px; color: var(--white); }
.tweet-handle { font-size: 12px; color: var(--text-muted); }
.tweet-x-icon { color: var(--text-muted); font-size: 18px; }
.tweet-text { font-size: 14px; color: var(--cream); line-height: 1.65; margin-bottom: 16px; opacity: 0.9; }
.tweet-stats {
  display: flex;
  gap: 20px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.tweet-stat { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.tweet-stat-icon { font-size: 13px; }
.tweet-stat strong { color: var(--cream); }
.tweet-date { font-size: 11px; color: var(--text-muted); margin-top: 10px; }

/* ---- HOW TO BUY ---- */
.buy-section { background: var(--dark); }
.buy-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.buy-step {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.buy-step::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red-deep), var(--gold));
}
.buy-step:hover { border-color: var(--gold); box-shadow: var(--shadow-gold); transform: translateY(-3px); }
.step-num {
  font-family: var(--font-display);
  font-size: 52px;
  color: var(--red-deep);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}
.buy-step h3 { font-size: 16px; color: var(--gold-light); margin-bottom: 10px; font-family: var(--font-display); letter-spacing: 1px; }
.buy-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.buy-links {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.buy-link-card {
  flex: 1;
  min-width: 180px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
  font-size: 15px;
  color: var(--cream);
  font-weight: 600;
}
.buy-link-card:hover { border-color: var(--gold); background: rgba(212,160,23,0.06); transform: translateY(-2px); }
.buy-link-card img { width: 32px; height: 32px; object-fit: contain; }
.buy-link-x { }
.x-icon { font-size: 24px; color: var(--white); }
.ca-box {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.ca-label { font-size: 12px; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase; }
.ca-address {
  flex: 1;
  font-family: monospace;
  font-size: 13px;
  color: var(--gold-light);
  word-break: break-all;
}
.ca-copy {
  background: var(--red-deep);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-display);
  transition: var(--transition);
  white-space: nowrap;
}
.ca-copy:hover { background: var(--red-mid); }
.ca-copy.copied { background: #1a4a1a; border-color: #4CAF50; color: #4CAF50; }

/* ---- FOOTER ---- */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo-img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 1px solid var(--gold); }
.footer-logo span { font-family: var(--font-display); font-size: 24px; color: var(--gold-bright); letter-spacing: 2px; }
.footer-jp { font-family: var(--font-jp); font-size: 16px; color: var(--text-muted); }
.footer-disc { font-size: 11px; color: var(--text-muted); max-width: 500px; line-height: 1.6; opacity: 0.7; }
.footer-links { display: flex; align-items: center; gap: 20px; }
.footer-icon { width: 24px; height: 24px; object-fit: contain; opacity: 0.6; transition: var(--transition); filter: brightness(0) invert(1); }
.footer-icon:hover { opacity: 1; filter: none; }
.footer-x { font-size: 20px; color: var(--cream); opacity: 0.6; transition: var(--transition); }
.footer-x:hover { opacity: 1; color: var(--gold); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .generator-wrapper { grid-template-columns: 1fr; }
  .buy-steps { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .buy-steps { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .tweets-grid { grid-template-columns: 1fr; }
  .hero-en { font-size: 72px; }
  .buy-links { flex-direction: column; }
  .gen-actions { flex-direction: column; }
}