/* ==========================================================================
   KUROSHIO DIGITAL TECHNOLOGY - HIGH-AESTHETIC STYLING
   ========================================================================== */

:root {
  /* Color Palette - Deep Kuroshio Ocean & Luminous Accents */
  --bg-deep: #050b14;
  --bg-surface: #0a1322;
  --bg-card: rgba(13, 24, 43, 0.72);
  --bg-card-hover: rgba(19, 36, 64, 0.85);
  
  --kuroshio-navy: #162e4d;
  --kuroshio-blue: #2563eb;
  --kuroshio-cyan: #38bdf8;
  --kuroshio-sky: #60a5fa;
  --kuroshio-indigo: #818cf8;

  /* Brand Vermilion / Crimson Red (From Seal and Logo Sun) */
  --vermilion: #c73e3a;
  --vermilion-bright: #e11d48;
  --vermilion-glow: rgba(199, 62, 58, 0.35);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-gold: #fbbf24;

  /* Borders & Glassmorphism */
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(56, 189, 248, 0.35);
  --glass-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.55);

  /* Typography Stack */
  --font-sans: 'Plus Jakarta Sans', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Noto Serif TC', serif;

  /* Transitions */
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d1e38 0%, #050b14 70%);
}

/* Background Canvas & Ambient Orbs */
#ocean-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 1;
}

.glow-top {
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
}

.glow-crimson {
  top: 35%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(199, 62, 58, 0.12) 0%, transparent 70%);
}

.glow-bottom {
  bottom: -200px;
  left: 10%;
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 75%);
}

/* App Shell */
.app-shell {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(5, 11, 20, 0.75);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-svg-icon {
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.4));
  transition: transform 0.4s ease;
}

.brand-link:hover .brand-svg-icon {
  transform: rotate(5deg) scale(1.05);
}

.brand-seal-icon {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(199, 62, 58, 0.35);
  transition: transform 0.3s ease;
}

.brand-link:hover .brand-seal-icon {
  transform: scale(1.08);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name-en {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-name-sub {
  font-size: 0.72rem;
  color: var(--kuroshio-cyan);
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-top: 3px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Nav Buttons */
.nav-btn {
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
}

.ghost-btn:hover {
  color: var(--text-primary);
  border-color: var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
}

.primary-nav-btn {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.3));
  border-color: rgba(56, 189, 248, 0.4);
  color: #ffffff;
}

.primary-nav-btn:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.45), rgba(56, 189, 248, 0.5));
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
  transform: translateY(-1px);
}

/* Sound Wave Toggle Button */
.sound-btn {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(13, 24, 43, 0.5);
  padding: 0.45rem 0.85rem;
}

.sound-btn:hover {
  border-color: var(--kuroshio-cyan);
  color: #fff;
}

.sound-wave-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.sound-wave-bars i {
  display: block;
  width: 2.5px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 1px;
  transition: var(--transition-fast);
}

.sound-btn.playing .sound-wave-bars i {
  background: var(--kuroshio-cyan);
  animation: waveBar 1.2s ease-in-out infinite alternate;
}

.sound-btn.playing .sound-wave-bars i:nth-child(1) { animation-delay: 0.1s; height: 10px; }
.sound-btn.playing .sound-wave-bars i:nth-child(2) { animation-delay: 0.3s; height: 14px; }
.sound-btn.playing .sound-wave-bars i:nth-child(3) { animation-delay: 0.2s; height: 8px; }
.sound-btn.playing .sound-wave-bars i:nth-child(4) { animation-delay: 0.4s; height: 12px; }

@keyframes waveBar {
  0% { height: 3px; }
  100% { height: 14px; }
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Status Pill */
.status-badge-wrap {
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease-out;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--vermilion-bright);
  box-shadow: 0 0 10px var(--vermilion-bright);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

.pill-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--kuroshio-cyan);
}

.pill-divider {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.pill-text {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Hero Section */
.hero-section {
  text-align: center;
  max-width: 900px;
  margin-bottom: 3.5rem;
  animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.company-intro-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--kuroshio-sky);
  font-weight: 600;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.dot-sep {
  opacity: 0.5;
}

.hero-headline {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.text-shimmer {
  background: linear-gradient(135deg, #ffffff 10%, #60a5fa 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: #cbd5e1;
  letter-spacing: 0.05em;
  margin-bottom: 1.75rem;
}

.hero-golden-quote {
  display: inline-flex;
  align-items: center;
  background: rgba(22, 46, 77, 0.45);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 0.85rem 1.6rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.quote-bar {
  width: 4px;
  height: 24px;
  background: var(--vermilion);
  border-radius: 4px;
  margin-right: 1rem;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 600;
  color: #f1f5f9;
  letter-spacing: 0.08em;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 760px;
  margin: 0 auto;
}

.desktop-br {
  display: block;
}

/* Countdown Timer Section */
.countdown-section {
  width: 100%;
  max-width: 780px;
  margin-bottom: 4rem;
}

.countdown-card-container {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.2rem 2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.countdown-card-container:hover {
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 20px 50px -15px rgba(2, 132, 199, 0.25);
}

.countdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.countdown-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sparkle-icon {
  color: var(--vermilion-bright);
  font-size: 1.1rem;
}

.countdown-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
}

.target-launch-date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--kuroshio-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.countdown-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.timer-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 140px;
}

.unit-card {
  width: 100%;
  aspect-ratio: 1.2 / 1;
  background: linear-gradient(180deg, rgba(22, 46, 77, 0.7) 0%, rgba(10, 20, 36, 0.85) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15), 0 8px 24px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.unit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent);
  pointer-events: none;
}

.unit-card.highlight-seconds {
  border-color: rgba(225, 29, 72, 0.4);
  background: linear-gradient(180deg, rgba(45, 20, 30, 0.7) 0%, rgba(15, 10, 18, 0.85) 100%);
}

.unit-card.highlight-seconds .unit-val {
  color: #ff6b81;
  text-shadow: 0 0 20px rgba(225, 29, 72, 0.5);
}

.unit-val {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.unit-label {
  margin-top: 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.timer-colon {
  font-size: 2rem;
  font-weight: 700;
  color: var(--kuroshio-cyan);
  opacity: 0.4;
  margin-bottom: 1.5rem;
}

/* Progress Bar */
.launch-progress-wrap {
  margin-top: 1.25rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.progress-status-text {
  color: var(--text-secondary);
}

.progress-percent-text {
  color: var(--kuroshio-cyan);
  letter-spacing: 0.08em;
}

.progress-bar-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #38bdf8, #e11d48);
  border-radius: 100px;
  position: relative;
  transition: width 1.2s ease-in-out;
}

.progress-glow {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 25px;
  background: #ffffff;
  filter: blur(4px);
  opacity: 0.8;
  animation: shineScan 2.5s infinite;
}

@keyframes shineScan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* Waitlist VIP Box */
.waitlist-section {
  width: 100%;
  max-width: 780px;
  margin-bottom: 5.5rem;
}

.waitlist-glass-box {
  background: linear-gradient(145deg, rgba(16, 32, 58, 0.7) 0%, rgba(9, 18, 33, 0.85) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.waitlist-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  background: rgba(199, 62, 58, 0.15);
  border: 1px solid rgba(199, 62, 58, 0.4);
  color: #ff6b67;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 1.25rem;
}

.waitlist-heading {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.85rem;
  line-height: 1.25;
}

.waitlist-sub {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.waitlist-sub strong {
  color: #f1f5f9;
}

/* Waitlist Form */
.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row-main {
  display: flex;
  gap: 0.75rem;
  width: 100%;
}

.input-field-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.field-icon {
  position: absolute;
  left: 1.2rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
}

.input-field-wrap input {
  width: 100%;
  padding: 1.05rem 1.2rem 1.05rem 3.1rem;
  background: rgba(7, 14, 26, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition-smooth);
}

.input-field-wrap input:focus {
  border-color: var(--kuroshio-cyan);
  background: rgba(10, 20, 38, 0.9);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.input-field-wrap input:focus + .field-icon,
.input-field-wrap:focus-within .field-icon {
  color: var(--kuroshio-cyan);
}

.submit-action-btn {
  padding: 0 1.8rem;
  background: linear-gradient(135deg, #1d4ed8 0%, #0284c7 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 14px;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
  transition: var(--transition-smooth);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.35);
}

.submit-action-btn:hover {
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(2, 132, 199, 0.5);
}

.submit-action-btn:active {
  transform: translateY(0);
}

.form-row-extra {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.sub-field input,
.sub-field select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(7, 14, 26, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #cbd5e1;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition-smooth);
}

.sub-field input:focus,
.sub-field select:focus {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(10, 20, 38, 0.8);
}

.sub-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
}

.sub-field select option {
  background: #0d1b30;
  color: #f8fafc;
}

.form-privacy-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 0.4rem;
}

/* Success Box */
.success-box {
  text-align: center;
  padding: 1rem 0.5rem;
  animation: zoomIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.success-icon-ring {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid rgba(16, 185, 129, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.success-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.success-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.queue-number {
  color: var(--kuroshio-cyan);
  font-size: 1.15rem;
  letter-spacing: 0.05em;
}

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Capabilities Section */
.capabilities-section {
  width: 100%;
  margin-bottom: 5.5rem;
}

.section-heading-block {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--kuroshio-cyan);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: inline-block;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.2rem 1.8rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.pillar-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--glass-border-hover);
  box-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.25);
}

.card-num {
  position: absolute;
  top: 1.5rem;
  right: 1.8rem;
  font-size: 1.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  letter-spacing: -0.05em;
}

.card-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(30, 58, 95, 0.4);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.9rem;
}

.card-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.card-list li {
  font-size: 0.82rem;
  color: #cbd5e1;
  font-weight: 500;
}

/* Brand Heritage & Seal Section */
.brand-heritage-section {
  width: 100%;
  max-width: 1000px;
  background: radial-gradient(circle at 20% 50%, rgba(22, 46, 77, 0.6) 0%, rgba(7, 14, 26, 0.8) 100%);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 3.5rem 3rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(20px);
}

.heritage-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3.5rem;
  align-items: center;
}

.seal-visual-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.large-seal-img {
  width: 180px;
  height: 180px;
  border-radius: 24px;
  box-shadow: 0 16px 45px rgba(199, 62, 58, 0.45);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.seal-visual-wrap:hover .large-seal-img {
  transform: scale(1.05) rotate(-2deg);
}

.seal-shadow-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  background: var(--vermilion);
  filter: blur(50px);
  opacity: 0.35;
  z-index: -1;
}

.kanji-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--vermilion-bright);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.heritage-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.1rem;
}

.heritage-body {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.heritage-highlights {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.highlight-item {
  display: flex;
  flex-direction: column;
}

.hl-bold {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.hl-sub {
  font-size: 0.75rem;
  color: var(--kuroshio-cyan);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.hl-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.12);
}

/* Footer */
.app-footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(4, 8, 15, 0.85);
  backdrop-filter: blur(16px);
  padding: 2.5rem 1.5rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #ffffff;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}

.footer-contact-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact-lbl {
  color: var(--text-muted);
}

.contact-val {
  color: var(--kuroshio-cyan);
  text-decoration: none;
  font-weight: 600;
}

.contact-val:hover {
  text-decoration: underline;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-serif);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(2, 6, 12, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-card {
  background: #0b172a;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 24px;
  width: 100%;
  max-width: 600px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  animation: modalScale 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { transform: scale(0.92) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(225, 29, 72, 0.2);
  border-color: rgba(225, 29, 72, 0.5);
  color: #ff6b81;
}

.modal-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--kuroshio-cyan);
}

.modal-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  margin-top: 0.4rem;
  margin-bottom: 1.5rem;
}

.modal-body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #cbd5e1;
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.modal-body h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
}

.modal-body h4:first-child {
  margin-top: 0;
}

.modal-footer {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.2rem;
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}

.channel-icon {
  font-size: 1.5rem;
}

.ch-name {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ch-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

/* Generic Buttons */
.primary-btn {
  padding: 0.75rem 1.6rem;
  background: linear-gradient(135deg, #2563eb, #0284c7);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 12px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.primary-btn:hover {
  background: linear-gradient(135deg, #1d4ed8, #0369a1);
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.4);
}

.secondary-btn {
  padding: 0.75rem 1.4rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0f172a;
  border: 1px solid var(--kuroshio-cyan);
  border-radius: 12px;
  padding: 0.85rem 1.4rem;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast.hidden {
  transform: translateY(30px);
  opacity: 0;
  pointer-events: none;
}

/* Helper hidden class */
.hidden {
  display: none !important;
}

/* Keyframe Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .heritage-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .brand-heritage-section {
    padding: 2.5rem 2rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-right {
    align-items: center;
  }

  .footer-brand-row {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  /* Prevent any horizontal overflow */
  html, body, .app-shell, .main-content {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .nav-container {
    padding: 0.65rem 1rem;
    gap: 0.5rem;
  }

  .brand-link {
    min-width: 0;
    flex-shrink: 1;
    gap: 0.6rem;
  }

  .brand-svg-icon {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
  }

  .brand-name-en {
    font-size: 1rem;
    letter-spacing: 0.12em;
  }

  .brand-name-sub {
    display: none;
  }

  .nav-actions {
    gap: 0.45rem;
    flex-shrink: 0;
  }

  .ghost-btn {
    display: none;
  }

  /* Sound button: compact circle on mobile, no text wrapping! */
  .sound-btn {
    padding: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    justify-content: center;
    flex-shrink: 0;
  }

  .sound-label {
    display: none;
  }

  .primary-nav-btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
    height: 36px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .main-content {
    padding: 1.25rem 1rem 3rem;
    width: 100%;
    box-sizing: border-box;
  }

  .status-badge-wrap {
    margin-bottom: 1.5rem;
    width: 100%;
    text-align: center;
  }

  .status-pill {
    max-width: 100%;
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .pill-text {
    font-size: 0.78rem;
  }

  .hero-section {
    margin-bottom: 2.5rem;
    width: 100%;
  }

  .hero-headline {
    font-size: 2.1rem;
    line-height: 1.25;
  }

  .hero-tagline {
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
  }

  .hero-golden-quote {
    padding: 0.65rem 0.9rem;
    margin-bottom: 1.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .quote-text {
    font-size: 0.95rem;
    word-break: break-word;
  }

  .hero-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    padding: 0 0.25rem;
  }

  .desktop-br {
    display: inline;
  }

  /* Countdown & Progress */
  .countdown-section {
    margin-bottom: 2.5rem;
    width: 100%;
  }

  .countdown-card-container {
    padding: 1.5rem 1rem;
    border-radius: 18px;
    width: 100%;
    box-sizing: border-box;
  }

  .countdown-header {
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .countdown-title {
    font-size: 1rem;
  }

  .countdown-grid {
    gap: 0.35rem;
  }

  .timer-unit {
    max-width: 70px;
  }

  .unit-val {
    font-size: 1.5rem;
  }

  .unit-label {
    font-size: 0.65rem;
  }

  .timer-colon {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
  }

  /* Capabilities Grid */
  .capabilities-section {
    margin-bottom: 3rem;
    width: 100%;
  }

  .section-heading-block {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    width: 100%;
  }

  .pillar-card {
    padding: 1.75rem 1.4rem;
    border-radius: 16px;
    width: 100%;
    box-sizing: border-box;
  }

  /* Brand Heritage / Seal Section on Mobile */
  .brand-heritage-section {
    padding: 2rem 1.25rem;
    border-radius: 20px;
    margin-bottom: 2.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .heritage-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .large-seal-img {
    width: 120px;
    height: 120px;
    border-radius: 18px;
  }

  .seal-shadow-glow {
    width: 120px;
    height: 120px;
    filter: blur(35px);
  }

  .heritage-title {
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 0.85rem;
  }

  .heritage-body {
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 1.75rem;
    word-break: break-word;
  }

  /* Fix 3 stats highlights on mobile - make it a clean 3-col or responsive wrap */
  .heritage-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .hl-divider {
    display: none;
  }

  .highlight-item {
    align-items: center;
    text-align: center;
  }

  .hl-bold {
    font-size: 1.2rem;
  }

  .hl-sub {
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    line-height: 1.3;
    margin-top: 4px;
  }

  /* Form & Waitlist */
  .waitlist-section {
    width: 100%;
    margin-bottom: 3.5rem;
  }

  .waitlist-glass-box {
    padding: 2rem 1.25rem;
    border-radius: 20px;
    width: 100%;
    box-sizing: border-box;
  }

  .waitlist-heading {
    font-size: 1.45rem;
  }

  .form-row-main {
    flex-direction: column;
    gap: 0.75rem;
  }

  .form-row-extra {
    grid-template-columns: 1fr;
  }

  .submit-action-btn {
    padding: 0.95rem;
    justify-content: center;
    width: 100%;
  }

  /* Footer on mobile */
  .app-footer {
    padding: 2rem 1rem;
    width: 100%;
    box-sizing: border-box;
  }

  .footer-container {
    gap: 1.2rem;
  }

  .footer-copyright {
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .contact-val {
    word-break: break-all;
  }
}

@media (max-width: 360px) {
  .heritage-highlights {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .highlight-item {
    flex-direction: row;
    justify-content: center;
    gap: 0.75rem;
    align-items: baseline;
  }
}