/* Visual Design System for VOLTRA */

:root {
  /* Core Base Colors */
  --bg-dark: #050505;
  --bg-matte: #0A0A0A;
  --text-light: #FFFFFF;
  --text-muted: #8E8E93;
  --text-dark: #1C1C1E;
  
  /* Flavor Accent Colors */
  --accent-blue: #00B8FF;     /* Original Charge */
  --accent-orange: #FF6A00;   /* Citrus Surge */
  --accent-green: #A6FF00;    /* Lime Voltage */
  
  /* Active Theme Colors (dynamic) */
  --accent: var(--accent-blue);
  --accent-glow: rgba(0, 184, 255, 0.2);
  --accent-glow-strong: rgba(0, 184, 255, 0.5);
  
  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Grid & Spacing */
  --container-width: 1400px;
  --header-height: 80px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Dynamic State Themes */
body.flavor-blue {
  --accent: var(--accent-blue);
  --accent-glow: rgba(0, 184, 255, 0.25);
  --accent-glow-strong: rgba(0, 184, 255, 0.6);
}
body.flavor-orange {
  --accent: var(--accent-orange);
  --accent-glow: rgba(255, 106, 0, 0.25);
  --accent-glow-strong: rgba(255, 106, 0, 0.6);
}
body.flavor-green {
  --accent: var(--accent-green);
  --accent-glow: rgba(166, 255, 0, 0.25);
  --accent-glow-strong: rgba(166, 255, 0, 0.6);
}

/* Reset and Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

/* Focus States - Clean without outline rings */
a:focus-visible,
button:focus-visible,
input:focus-visible,
.flavor-card:focus,
.flavor-card:focus-visible,
.video-frame:focus,
.video-frame:focus-visible {
  outline: none !important;
}

/* Typography Utilities */
.font-display { font-family: var(--font-display); font-weight: 800; }
.font-sans { font-family: var(--font-sans); }
.font-mono { font-family: var(--font-mono); }
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}



/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--text-light);
  color: var(--bg-dark);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-light);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateY(-2px);
}

/* Sticky Navigation */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: rgba(5, 5, 5, 0.65);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

.sticky-nav.scrolled {
  height: 70px;
  background: rgba(5, 5, 5, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--text-light);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

.nav-logo .dot {
  color: var(--accent);
  transition: var(--transition-fast);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 3rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-light);
}

.nav-link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-light);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 2rem) 2rem 4rem;
  z-index: 2;
  overflow: hidden;
}

/* Three.js Container */
.three-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: auto;
}

.hero-content-wrapper {
  position: relative;
  width: 100%;
  max-width: var(--container-width);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 4rem;
  z-index: 10;
  pointer-events: none; /* Let pointer pass to Three.js drag container */
}

/* Items inside wrapper that should catch clicks */
.hero-actions,
.flavor-switcher-container,
.nav-cta,
.btn {
  pointer-events: auto;
}

/* Left Hero Column */
.hero-col-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.flavor-tag {
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  color: var(--accent);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  transition: var(--transition-fast);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}

.text-glow {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--text-light);
  opacity: 0.9;
}

.text-accent {
  color: var(--accent);
  transition: var(--transition-fast);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.energy-specs {
  display: flex;
  gap: 2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 2rem;
}

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

.spec-val {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-light);
}

.spec-label {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Right Hero Column */
.hero-col-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  justify-content: flex-end;
  height: 100%;
  padding-bottom: 2rem;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 380px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.flavor-switcher-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-bottom: 2rem;
}

.switcher-label {
  margin-bottom: 1rem;
}

.flavor-dots {
  display: flex;
  gap: 1.2rem;
}

.dot-btn {
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot-btn.active {
  border-color: var(--text-light);
}

.dot-color {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

.blue-dot { background-color: var(--accent-blue); box-shadow: 0 0 10px rgba(0, 184, 255, 0.4); }
.orange-dot { background-color: var(--accent-orange); box-shadow: 0 0 10px rgba(255, 106, 0, 0.4); }
.green-dot { background-color: var(--accent-green); box-shadow: 0 0 10px rgba(166, 255, 0, 0.4); }

.ambient-indicator {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.7;
}

.ambient-indicator span {
  color: var(--accent);
  transition: var(--transition-fast);
}

/* Giant Background outline Text */
.giant-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 28vw;
  line-height: 1;
  color: rgba(255, 255, 255, 0.015);
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.03);
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

/* Sidebars */
.sidebar-left,
.sidebar-right {
  position: absolute;
  bottom: 4rem;
  z-index: 10;
  display: flex;
  pointer-events: auto;
}

.sidebar-left {
  position: absolute;
  left: 1.5rem;
  top: 52%;
  transform: translateY(-50%);
  z-index: 25;
  display: flex;
  pointer-events: auto;
}

.sidebar-right {
  right: 2rem;
}

.sidebar-flavor-list {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.sb-item {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  opacity: 0.45;
  padding: 0.2rem 0;
  user-select: none;
  white-space: nowrap;
}

.sb-item:hover {
  opacity: 0.85;
  color: var(--text-light);
}

.sb-item.active {
  color: var(--accent);
  opacity: 1;
  font-weight: 700;
  text-shadow: 0 0 10px var(--accent);
}

.sidebar-socials {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-socials a {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: var(--transition-fast);
}

.sidebar-socials a:hover {
  color: var(--accent);
}

/* Section Common Styles */
.section {
  position: relative;
  width: 100%;
  padding: 8rem 2rem;
  z-index: 2;
}

.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
}

.section-header-block {
  margin-bottom: 4rem;
}

.section-header-block.text-center {
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  transition: var(--transition-fast);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

/* Flavors Lineup Grid */
.flavors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.flavor-card {
  position: relative;
  background: rgba(10, 10, 10, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 3rem 2.5rem;
  overflow: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  cursor: pointer;
  outline: none;
}

.flavor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.card-glow {
  display: none;
}

/* Bottle Image Container & Animations - Hidden in resting state */
.bottle-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  overflow: hidden;
  border-radius: 8px;
  transform: translateY(15px) scale(0.95);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.bottle-container::before {
  display: none;
}

.flavor-bottle-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: lighten;
  filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.95));
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 240px;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* On Hover or Keyboard Focus-Visible: HIDE the letters/text content completely */
.flavor-card:hover .card-content,
.flavor-card:focus-visible .card-content {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
}

.card-number {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: auto;
  line-height: 1.6;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3rem;
  font-size: 0.7rem;
}

.flavor-color-tag {
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-weight: 700;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(4px);
}

.caffeine-info {
  color: var(--text-muted);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

/* Flavor specific glow colors */
.card-blue .card-glow { background-color: var(--accent-blue); }
.card-orange .card-glow { background-color: var(--accent-orange); }
.card-green .card-glow { background-color: var(--accent-green); }

/* Hover & Keyboard Focus-Visible States - Clean borders without glow gradients */
.flavor-card:hover,
.flavor-card:focus-visible {
  transform: translateY(-8px);
  background: rgba(15, 15, 15, 0.85);
}

.card-blue:hover,
.card-blue:focus-visible {
  border-color: var(--accent-blue);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
}

.card-orange:hover,
.card-orange:focus-visible {
  border-color: var(--accent-orange);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
}

.card-green:hover,
.card-green:focus-visible {
  border-color: var(--accent-green);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
}

/* Reveal ONLY the Energy Drink Bottle on Hover or Keyboard Focus-Visible */
.flavor-card:hover .bottle-container,
.flavor-card:focus-visible .bottle-container {
  opacity: 1;
  transform: translateY(0) scale(1.05);
}

.flavor-card:hover .flavor-bottle-img,
.flavor-card:focus-visible .flavor-bottle-img {
  transform: scale(1.04);
}

.card-blue .tag-blue { color: var(--accent-blue); border: 1px solid rgba(0, 184, 255, 0.3); }
.card-orange .tag-orange { color: var(--accent-orange); border: 1px solid rgba(255, 106, 0, 0.3); }
.card-green .tag-green { color: var(--accent-green); border: 1px solid rgba(166, 255, 0, 0.3); }

/* Video Showcase Section */
.video-section {
  position: relative;
  width: 100%;
  padding: 4rem 2rem 8rem;
  z-index: 2;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.video-glow {
  display: none;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 650px;
  background: #080808;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transition: var(--transition-smooth);
}

.video-frame:hover {
  border-color: var(--accent);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
}

.promo-video,
.promo-video-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
  display: block;
}

/* Hide overlay HUD, letters, badges and controls so ONLY the video displays */
.video-overlay,
.corner-accent {
  display: none !important;
}

.overlay-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.hud-badge {
  color: var(--accent);
  background: rgba(0, 0, 0, 0.6);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 0.15em;
}

.hud-resolution {
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.overlay-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-play-btn {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.75);
  border: 2px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: var(--transition-fast);
  box-shadow: 0 0 20px var(--accent-glow);
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 0 30px var(--accent-glow-strong);
}

.video-play-btn svg {
  width: 28px;
  height: 28px;
}

.video-play-btn svg.hidden {
  display: none;
}

.overlay-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.video-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.video-tag {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.video-caption {
  font-size: 0.85rem;
  color: var(--text-light);
  max-width: 450px;
  opacity: 0.9;
}

.btn-sound-toggle {
  background: rgba(10, 10, 10, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: var(--transition-fast);
}

.btn-sound-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Features Section (Why Voltra) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.feature-card {
  background: rgba(10, 10, 10, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  padding: 2.5rem 2rem;
  transition: var(--transition-smooth);
}

.feature-icon {
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
  transition: var(--transition-fast);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(10, 10, 10, 0.5);
  transform: translateY(-4px);
}

/* Showcase Gallery Grid */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 1.5rem;
}

.grid-w2 { grid-column: span 2; }
.grid-h2 { grid-row: span 2; }

.showcase-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: #060606;
  border: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.showcase-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 65%;
  background: linear-gradient(to top, rgba(5, 5, 5, 0.95) 0%, rgba(5, 5, 5, 0.4) 60%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

.showcase-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.2;
  filter: brightness(0.6);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, rgba(0,0,0,0.8) 20%, rgba(0,0,0,0.3) 55%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, rgba(0,0,0,0.8) 20%, rgba(0,0,0,0.3) 55%, transparent 80%);
}

.showcase-product-img {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  height: 55%;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.6));
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.item-blue .showcase-product-img {
  height: 70%;
  right: 3rem;
  bottom: 2rem;
}

.showcase-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--showcase-color, var(--accent-blue)) 0%, transparent 60%);
  opacity: 0.04;
  transition: var(--transition-smooth);
  pointer-events: none;
  z-index: 1;
}

.showcase-meta {
  font-size: 0.65rem;
  color: var(--text-muted);
  z-index: 2;
}

.showcase-inner {
  z-index: 2;
}

.showcase-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.showcase-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 400px;
}

/* Color themed showcase items */
.item-blue { 
  --showcase-color: var(--accent-blue); 
  --showcase-color-rgb: 0, 184, 255;
}
.item-orange { 
  --showcase-color: var(--accent-orange); 
  --showcase-color-rgb: 255, 106, 0;
}
.item-green { 
  --showcase-color: var(--accent-green); 
  --showcase-color-rgb: 166, 255, 0;
}
.item-all { 
  --showcase-color: var(--text-light); 
  --showcase-color-rgb: 255, 255, 255;
}

.showcase-item:hover {
  box-shadow: 0 0 40px rgba(var(--showcase-color-rgb), 0.08);
  transform: scale(0.995);
}

.showcase-item:hover .showcase-bg-image {
  transform: scale(1.06);
  opacity: 0.3;
}

.showcase-item:hover .showcase-product-img {
  transform: translateY(-8px) rotate(3deg) scale(1.03);
}

.showcase-item:hover .showcase-glow {
  opacity: 0.15;
}

/* Email Capture CTA Section — Redesigned */
.newsletter-section {
  position: relative;
  background-color: var(--bg-dark);
  overflow: hidden;
  padding: 10rem 2rem;
}

/* Animated background orbs */
.nl-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
  opacity: 0.06;
}

.nl-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: 10%;
  left: -10%;
  animation: nl-float-1 12s ease-in-out infinite;
}

.nl-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  bottom: -5%;
  right: -5%;
  animation: nl-float-2 10s ease-in-out infinite 2s;
}

@keyframes nl-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.1); }
}

@keyframes nl-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 20px) scale(1.15); }
}

/* Subtle grid lines overlay */
.nl-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 80%);
}

/* Split layout */
.nl-layout {
  display: flex;
  align-items: center;
  gap: 5rem;
  max-width: var(--container-width);
  margin: 0 auto;
}

/* Left content */
.nl-content {
  flex: 1;
  position: relative;
  z-index: 2;
}

.nl-headline {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  text-transform: uppercase;
  line-height: 1;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.nl-headline-accent {
  background: linear-gradient(135deg, var(--accent) 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nl-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 2.5rem;
}

/* Stats row */
.nl-stats {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nl-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.nl-stat-number {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: -0.02em;
}

.nl-stat-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.nl-stat-divider {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.12), transparent);
}

/* Glassmorphic form card */
.nl-form-card {
  position: relative;
  flex: 0 0 420px;
  z-index: 2;
}

.nl-card-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: var(--accent);
  filter: blur(100px);
  opacity: 0.06;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.nl-form-card:hover .nl-card-glow {
  opacity: 0.1;
}

.nl-card-inner {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 2.5rem;
}

.nl-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.nl-card-badge {
  color: var(--text-muted);
}

.nl-card-status {
  color: var(--accent);
  font-size: 0.6rem;
}

.nl-card-title {
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.nl-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Email input - underline style */
.nl-input-wrap {
  position: relative;
  margin-bottom: 1.2rem;
}

.nl-email-input {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-light);
  padding: 0.8rem 0;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.nl-email-input::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.nl-input-focus-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nl-input-wrap:focus-within .nl-input-focus-line {
  width: 100%;
}

.nl-email-input:focus {
  border-bottom-color: transparent;
}

/* Submit button - full width gradient */
.nl-submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent), rgba(255, 255, 255, 0.15));
  color: var(--bg-dark);
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.nl-submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.nl-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--showcase-color-rgb, 0, 184, 255), 0.3);
}

.nl-submit-btn:hover::before {
  transform: translateX(100%);
}

.nl-card-footer {
  margin-top: 1.5rem;
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.1em;
}

.form-status {
  margin-top: 1rem;
  font-size: 0.75rem;
  text-align: left;
  min-height: 20px;
}

.form-status.success {
  color: var(--accent-green);
}

.form-status.error {
  color: #ff453a;
}

/* Footer Section */
.footer-section {
  background-color: var(--bg-dark);
  padding: 6rem 2rem 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  font-size: 2.2rem;
  color: var(--text-light);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.footer-logo .dot {
  color: var(--accent);
  transition: var(--transition-fast);
}

.footer-copyright {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.footer-links-grid {
  display: flex;
  gap: 6rem;
}

.footer-link-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.col-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.footer-link-col a {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.footer-link-col a:hover {
  color: var(--accent);
}

/* Responsive Styles */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
  .hero-content-wrapper {
    gap: 2rem;
  }
  .flavors-grid {
    gap: 1.5rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-grid {
    grid-auto-rows: 220px;
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
  }
  .sticky-nav {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    padding-bottom: 80px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  
  .nav-links.active {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.2rem;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links.active ~ .menu-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .nav-links.active ~ .menu-toggle span:nth-child(2) {
    opacity: 0;
  }
  .nav-links.active ~ .menu-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    height: 100vh;
    padding: calc(var(--header-height) + 1.2rem) 1.5rem 2rem;
    box-sizing: border-box;
  }

  .hero-content-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    text-align: center;
    gap: 0;
  }

  .hero-col-left {
    align-items: center;
    text-align: center;
    grid-row: 1;
    padding-left: 0;
  }

  .hero-col-left .hero-title {
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 1.2rem;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    padding: 0.85rem 2.2rem;
    font-size: 0.8rem;
  }

  .energy-specs {
    border-left: none;
    padding-left: 0;
    justify-content: center;
    width: 100%;
  }

  .hero-col-right {
    align-items: center;
    text-align: center;
    grid-row: 2;
  }

  .hero-description {
    max-width: 500px;
  }

  .flavor-switcher-container {
    align-items: center;
  }

  .ambient-indicator {
    text-align: center;
  }

  .sidebar-left,
  .sidebar-right {
    display: none;
  }

  .three-container {
    height: 60vh;
    top: 25vh;
  }

  .flavors-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 480px;
    margin: 0 auto;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }

  .grid-w2 { grid-column: span 1; }
  .grid-h2 { grid-row: span 1; }

  .footer-container {
    flex-direction: column;
    gap: 3rem;
    text-align: center;
    align-items: center;
  }

  .nl-layout {
    flex-direction: column;
    gap: 3rem;
    text-align: center;
  }

  .nl-content {
    align-items: center;
  }

  .nl-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .nl-stats {
    justify-content: center;
  }

  .nl-form-card {
    flex: none;
    width: 100%;
    max-width: 480px;
  }

  .nl-headline {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
  }

  .footer-links-grid {
    gap: 4rem;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  :root {
    --header-height: 70px;
  }
  .section {
    padding: 5rem 1.5rem;
  }
  .hero-section {
    padding: calc(var(--header-height) + 0.2rem) 1rem 1.5rem;
  }
  .three-container {
    height: 50vh;
    top: 26vh;
  }
  .hero-content-wrapper {
    height: 100%;
    gap: 0;
  }
  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.7rem);
    margin-bottom: 1.0rem;
  }
  .hero-actions .btn {
    max-width: 220px !important;
    padding: 0.75rem 1.8rem !important;
    font-size: 0.72rem !important;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-section {
    padding: 5rem 1.5rem;
  }
  .nl-stats {
    flex-direction: column;
    gap: 1.2rem;
  }
  .nl-stat-divider {
    width: 40px;
    height: 1px;
  }
  .footer-links-grid {
    flex-direction: column;
    gap: 2rem;
  }
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  .bg-particles-canvas {
    display: none;
  }
  .flavor-card:hover {
    transform: none !important;
  }
  .feature-card:hover {
    transform: none !important;
  }
  .showcase-item:hover {
    transform: none !important;
  }
}