/* style.css - Dynamic Immersive Dark Theme */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&family=Inter:wght@300;400;600&display=swap');

:root {
  /* Dynamic Articular Theme Palette - Dark Immersive */
  --artic-deep-void: #0a0e17;
  --artic-abyss-surface: #121826;
  --artic-neon-cyan: #06b6d4;
  --artic-emerald-glow: #10b981;
  --artic-pure-snow: #f9fafb;
  --artic-moon-silver: #9ca3af;
  --artic-glass-bg: rgba(255, 255, 255, 0.05);
  --artic-glass-border: rgba(255, 255, 255, 0.12);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --artic-radius-soft: 16px;
  --artic-shadow-deep: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 20px rgba(6, 182, 212, 0.15);
}

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

body {
  background-color: var(--artic-deep-void);
  color: var(--artic-pure-snow);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 900;
  color: var(--artic-pure-snow);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Scroll-driven Progress Indicator */
.scroll-progress-locator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--artic-neon-cyan), var(--artic-emerald-glow));
  width: 0%;
  z-index: 10000;
  animation: grow-progress linear;
  animation-timeline: scroll();
}

@keyframes grow-progress {
  to { width: 100%; }
}

/* Header & Nav */
.joint-wellness-skybar {
  position: sticky;
  top: 0;
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--artic-glass-border);
  z-index: 999;
  padding: 1.2rem 2rem;
}

.skybar-structure-joint {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.biomechanic-logo-anchor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  text-transform: uppercase;
  color: var(--artic-pure-snow);
  text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.skybar-navigator-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.skybar-link-unit {
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.skybar-link-unit:hover {
  color: var(--artic-neon-cyan);
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
}

/* Mobile Nav Toggle via CSS (No JS) */
.mobile-skybar-toggle-checkbox {
  display: none;
}

.mobile-skybar-hamburger-trigger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-skybar-hamburger-trigger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--artic-pure-snow);
  transition: 0.3s;
}

/* Scroll Reveal Animation */
.viewport-reveal-cluster {
  animation: view-fade-in linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 30%;
}

@keyframes view-fade-in {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Chamber (Preset D - Immersive Dark Glassmorphism) */
.masthead-immersive-chamber {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6dvh 2rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.masthead-immersive-chamber::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(10, 14, 23, 0.4) 0%, rgba(10, 14, 23, 0.95) 100%);
  z-index: 1;
}

.glassmorphism-epic-deck {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 800px;
  background: var(--artic-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--artic-glass-border);
  border-radius: var(--artic-radius-soft);
  padding: 3.5rem;
  box-shadow: var(--artic-shadow-deep);
  text-align: center;
}

.glowing-wellness-crest {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--artic-pure-snow) 30%, var(--artic-neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.wellness-sub-premise {
  font-size: 1.2rem;
  color: var(--artic-moon-silver);
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.translucent-trigger-action {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--artic-neon-cyan), var(--artic-emerald-glow));
  color: var(--artic-deep-void);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 999px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.translucent-trigger-action:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.7);
}

/* Content Split Section */
.joint-wellness-strip {
  padding: 10dvh 2rem;
  position: relative;
  z-index: 5;
}

.asymmetric-joint-deck {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 4rem;
  align-items: center;
}

.asymmetric-media-box {
  flex: 1;
  height: 500px;
  border-radius: var(--artic-radius-soft);
  overflow: hidden;
  border: 1px solid var(--artic-glass-border);
  box-shadow: var(--artic-shadow-deep);
}

.asymmetric-media-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.asymmetric-narrative-frame {
  flex: 1;
}

.narrative-frame-heading {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.narrative-frame-heading::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--artic-neon-cyan);
  border-radius: 2px;
}

.narrative-frame-text {
  color: var(--artic-moon-silver);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.narrative-habits-tally {
  list-style: none;
}

.narrative-habit-linkage {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.narrative-habit-dot {
  width: 12px;
  height: 12px;
  background-color: var(--artic-neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--artic-neon-cyan);
}

/* Features Grid */
.motion-pillars-deck {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.motion-glass-capsule {
  background: var(--artic-glass-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--artic-radius-soft);
  padding: 2.5rem;
  border-top: 3px solid var(--artic-neon-cyan);
  border-left: 1px solid var(--artic-glass-border);
  border-right: 1px solid var(--artic-glass-border);
  border-bottom: 1px solid var(--artic-glass-border);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.motion-glass-capsule:hover {
  border-top-color: var(--artic-emerald-glow);
  transform: translateY(-5px);
}

.capsule-icon-shield {
  color: var(--artic-neon-cyan);
  margin-bottom: 1.5rem;
}

.capsule-lead-word {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.capsule-narrative-note {
  color: var(--artic-moon-silver);
  font-size: 0.95rem;
}

/* Timeline/How it works */
.progress-trackway-backbone {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 3rem;
}

.progress-trackway-backbone::before {
  content: '';
  position: absolute;
  top: 0;
  left: 11px;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--artic-neon-cyan), var(--artic-emerald-glow));
}

.trackway-station-hub {
  position: relative;
  margin-bottom: 4rem;
}

.trackway-station-hub:last-child {
  margin-bottom: 0;
}

.trackway-ordinal-pin {
  position: absolute;
  left: -43px;
  top: 0;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--artic-deep-void);
  border: 3px solid var(--artic-neon-cyan);
  box-shadow: 0 0 10px var(--artic-neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.station-hub-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.station-hub-exposition {
  color: var(--artic-moon-silver);
}

/* CTA strip */
.conversion-gasp-row {
  background: linear-gradient(135deg, #111827 0%, #080c16 100%);
  padding: 8dvh 2rem;
  border-top: 1px solid var(--artic-glass-border);
  border-bottom: 1px solid var(--artic-glass-border);
}

.conversion-inner-aligner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.ghostly-action-button {
  display: inline-block;
  padding: 1rem 2rem;
  border: 2px solid var(--artic-neon-cyan);
  border-radius: 999px;
  color: var(--artic-neon-cyan);
  font-weight: 700;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.ghostly-action-button:hover {
  background: var(--artic-neon-cyan);
  color: var(--artic-deep-void);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.5);
}

/* Form Styles */
.vis-expert-form-structure {
  background: var(--artic-glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--artic-glass-border);
  border-radius: var(--artic-radius-soft);
  padding: 3rem;
  box-shadow: var(--artic-shadow-deep);
  width: 100%;
}

.form-segment {
  margin-bottom: 1.5rem;
}

.form-segment label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--artic-moon-silver);
  font-weight: 600;
}

.form-input-valve {
  width: 100%;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--artic-glass-border);
  border-radius: 8px;
  padding: 0.9rem 1.2rem;
  color: var(--artic-pure-snow);
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-input-valve:focus {
  border-color: var(--artic-neon-cyan);
  outline: none;
}

.consent-term-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.consent-term-wrap input {
  margin-top: 0.3rem;
}

/* Accordion (Details/Summary) Styling */
.faq-accord-sheaf {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-accord-sheaf details {
  background: var(--artic-glass-bg);
  border: 1px solid var(--artic-glass-border);
  border-radius: 8px;
  overflow: hidden;
}

.faq-accord-sheaf summary {
  padding: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  background: var(--artic-abyss-surface);
  transition: color 0.3s;
}

.faq-accord-sheaf summary:hover {
  color: var(--artic-neon-cyan);
}

.faq-accord-sheaf p {
  padding: 1.25rem;
  border-top: 1px solid var(--artic-glass-border);
  color: var(--artic-moon-silver);
}

/* Stats Row */
.stat-tally-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-metric-unit {
  text-align: center;
  background: var(--artic-glass-bg);
  padding: 2.5rem;
  border-radius: var(--artic-radius-soft);
  border: 1px solid var(--artic-glass-border);
}

.stat-numeric-impact {
  font-size: 3rem;
  font-weight: 900;
  color: var(--artic-neon-cyan);
  font-family: var(--font-display);
}

.stat-narrative-cue {
  color: var(--artic-moon-silver);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* Footer Section */
.joint-colophon-caboose {
  background: #05070c;
  border-top: 1px solid var(--artic-glass-border);
  padding: 5rem 2rem 2rem;
  position: relative;
  z-index: 5;
}

.colophon-caboose-structure {
  max-width: 1200px;
  margin: 0 auto;
}

.colophon-top-split {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.colophon-legal-vault {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.colophon-legal-link {
  color: var(--artic-moon-silver);
  font-size: 0.85rem;
  transition: color 0.3s;
}

.colophon-legal-link:hover {
  color: var(--artic-neon-cyan);
}

.colophon-disclaimer-bill {
  border-top: 1px solid var(--artic-glass-border);
  padding-top: 2rem;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  color: var(--artic-moon-silver);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.colophon-copyright-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--artic-moon-silver);
}

/* Cookie Consent Bar */
.cookie-negotiator-shelf {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--artic-abyss-surface);
  border-top: 2px solid var(--artic-neon-cyan);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  z-index: 10000;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
  transform: translateY(100%);
  transition: transform 0.5s ease-out;
}

.cookie-negotiator-shelf.is-exposed {
  transform: translateY(0);
}

.cookie-shelf-message {
  font-size: 0.9rem;
  color: var(--artic-pure-snow);
}

.cookie-shelf-triggers {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.cookie-trigger-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  border: none;
}

.cookie-trigger-btn--accept {
  background: var(--artic-neon-cyan);
  color: var(--artic-deep-void);
}

.cookie-trigger-btn--decline {
  background: transparent;
  color: var(--artic-pure-snow);
  border: 1px solid var(--artic-glass-border);
}

/* Responsive Adaptations */
@media (max-width: 991px) {
  .asymmetric-joint-deck {
    flex-direction: column;
  }
  .motion-pillars-deck {
    grid-template-columns: 1fr;
  }
  .stat-tally-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .skybar-navigator-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--artic-deep-void);
    border-bottom: 1px solid var(--artic-glass-border);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
  }

  .mobile-skybar-hamburger-trigger {
    display: flex;
  }

  .mobile-skybar-toggle-checkbox:checked ~ .skybar-navigator-menu {
    transform: translateY(0);
  }

  .glowing-wellness-crest {
    font-size: 2.2rem;
  }

  .conversion-inner-aligner {
    flex-direction: column;
    text-align: center;
  }

  .stat-tally-strip {
    grid-template-columns: 1fr;
  }

  .cookie-negotiator-shelf {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .asymmetric-media-box {
    height: 300px;
  }
}