/* ==========================================================================
   PREMIUM DESIGN SYSTEM - Core styles & Tokens
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Core Palette */
  --color-bg: #0a0a0c;
  /* Deep off-black for high contrast */
  --color-surface: #121216;
  /* Slightly elevated surface */
  --color-cobalt: #1d4ed8;
  /* Vivid Cobalt Blue */
  --color-sand: #e7e5e4;
  /* Soft editorial sand/off-white */
  --color-lime: #bef264;
  /* Acid Lime for high impact accents */

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-primary: var(--color-sand);
  --text-secondary: rgba(231, 229, 228, 0.6);
  --text-inverse: var(--color-bg);
  --btn-text: #0a0a0c;

  /* Spacing System (Immaculate spacing) */
  --space-4: 0.25rem;
  --space-8: 0.5rem;
  --space-12: 0.75rem;
  --space-16: 1rem;
  --space-24: 1.5rem;
  --space-32: 2rem;
  --space-48: 3rem;
  --space-64: 4rem;
  --space-96: 6rem;
  --space-128: 8rem;

  /* Motion Primitives (Timing DNA) */
  --motion-entrance-dur: 600ms;
  --motion-entrance-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Ease-out */
  --motion-hover-dur: 200ms;
  --motion-hover-ease: cubic-bezier(0.33, 1, 0.68, 1);
  --motion-stagger-gap: 60ms;
  --motion-page-dur: 400ms;

  /* Layout Boundaries */
  --max-width: 1440px;
  --container-padding: var(--space-32);

  /* Visual Effects */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(16px);
  --shadow-bloom: 0 20px 40px -10px rgba(190, 242, 100, 0.15);
  /* Lime subtle glow */
  --nav-border: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
  --color-bg: #f8f7f4;
  --color-surface: #ffffff;
  --color-cobalt: #2563eb;
  --color-sand: #1c1917;
  /* Dark sand/ink for text */
  --color-lime: #65a30d;
  /* Darker lime for contrast */

  --text-primary: var(--color-sand);
  --text-secondary: rgba(28, 25, 23, 0.65);
  --text-inverse: #ffffff;
  --btn-text: #ffffff;

  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(0, 0, 0, 0.15);
  --shadow-bloom: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
  --nav-border: rgba(0, 0, 0, 0.05);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

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

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-padding {
  padding-top: var(--space-128);
  padding-bottom: var(--space-128);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-24);
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Typography classes */
.text-display-1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  letter-spacing: -0.04em;
}

.text-display-2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.text-heading-1 {
  font-size: 2.5rem;
}

.text-heading-2 {
  font-size: 1.5rem;
}

.text-body-large {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.text-accent {
  color: var(--color-lime);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
}

/* Buttons & Links */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-32);
  background: var(--color-lime);
  color: var(--btn-text);
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 100px;
  transition: all var(--motion-hover-dur) var(--motion-hover-ease);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-bloom);
}

.btn-outline {
  background: transparent;
  color: var(--color-sand);
  border: 1px solid var(--glass-border);
}

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: var(--glass-border-hover);
  box-shadow: none;
}

/* Global Navigation */
.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: var(--space-16) var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9999;
  background: var(--color-bg);
  border-bottom: 1px solid var(--nav-border);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--space-32);
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  transition: opacity var(--motion-hover-dur) ease;
}

.nav-links a:hover {
  opacity: 1;
}

/* ==========================================================================
   MOTION PRIMITIVES (CSS Classes applied via JS)
   ========================================================================== */

/* 1. Entrance Reveal (Opacity + Y) */
.motion-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--motion-entrance-dur) var(--motion-entrance-ease),
    transform var(--motion-entrance-dur) var(--motion-entrance-ease);
}

.motion-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 2. Hover Lift + Blur Glow */
.motion-hover-lift {
  transition: transform var(--motion-hover-dur) var(--motion-hover-ease),
    box-shadow var(--motion-hover-dur) var(--motion-hover-ease);
}

.motion-hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-bloom);
}

/* 3. Marquee Loop */
.motion-marquee {
  display: flex;
  white-space: nowrap;
  overflow: hidden;
}

.motion-marquee-track {
  display: inline-flex;
  animation: marquee-loop 30s linear infinite;
}

@keyframes marquee-loop {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }

  /* Assumes content is duplicated */
}

/* 4. Page Transition Fade */
.page-transition {
  animation: pageFadeIn var(--motion-page-dur) cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes pageFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.98);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==========================================================================
   SPECIFIC SECTION STYLES
   ========================================================================== */

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: url('../img/bg_texture_*.png');
  /* Fallback pattern */
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero-content {
  grid-column: 1 / 8;
  z-index: 2;
}

.hero-visual {
  grid-column: 8 / -1;
  position: relative;
  height: 600px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
}

/* Gallery of Theme Experiments */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-48) var(--space-32);
  margin-top: var(--space-64);
}

.theme-card {
  position: relative;
  border-radius: 12px;
  cursor: pointer;
  perspective: 1500px;
}

.theme-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.2s ease-out;
  transform: rotateX(0) rotateY(0) translateZ(0);
  /* Default state */
}

/* Base Shadow when not interacting */
.theme-card-inner {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.theme-card:hover .theme-card-inner {
  /* Box shadow becomes dramatic on hover */
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 20px rgba(190, 242, 100, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transition: transform 0.1s linear, box-shadow 0.3s ease-out;
  /* Fast snappy rotation tracking */
}

.theme-card-img {
  aspect-ratio: 4/3;
  width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--glass-border);
  transform: translateZ(40px) scale(1.1);
  /* Pushed out for parallax! */
  transform-origin: center center;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-card:hover .theme-card-img {
  transform: translateZ(60px) scale(1.15);
  /* Pushes even further out on hover */
}

.theme-card-content {
  padding: var(--space-24);
  transform: translateZ(30px);
  /* Text floats above the background */
  background: var(--color-surface);
}

/* Light Glare layer */
.glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 10;
  transition: opacity 0.3s ease-out;
  transform: translateZ(70px);
  /* Highest Z so it glints over everything */
}

.theme-card:hover .glare {
  opacity: 1;
}

.theme-card-content {
  padding: var(--space-24);
}

.theme-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-8);
  position: relative;
  z-index: 10;
  /* Keep links clickable above glare */
}

/* Premium Preview Link (Sliding Text Animation) */
.preview-link {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: #7496ab;
  /* Slate blue from reference */
  color: #d1eca3;
  /* Pale neon lime text */
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  overflow: hidden;
  line-height: 1.5;
  transition: background 0.3s ease;
}

.preview-link:hover {
  background: #5d7c90;
}

.preview-link-text {
  display: inline-flex;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.preview-link-text::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 100%;
  color: #ffffff;
}

.preview-link:hover .preview-link-text {
  transform: translateY(-100%);
}

/* Motion Lab */
.motion-lab {
  background: var(--color-surface);
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  padding: var(--space-64);
  position: relative;
  overflow: hidden;
}

.lab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}

.lab-visual img {
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}

/* Token Playground & Utilities */
.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-24);
}

.token-swatch {
  height: 120px;
  border-radius: 8px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-12);
  font-family: var(--font-display);
  font-size: 0.875rem;
  border: 1px solid var(--glass-border);
}

/* ==========================================================================
   AI 2026 PREMIUM SHAPES & EFFECTS
   ========================================================================== */

/* Animated Text Gradient */
.text-gradient {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-lime) 50%, var(--color-cobalt) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 5s linear infinite;
  display: inline-block;
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

/* Ambient AI Glowing Orbs */
.ai-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  mix-blend-mode: screen;
  animation: floatOrb 10s ease-in-out infinite alternate;
}

.ai-orb.lime {
  background: var(--color-lime);
}

.ai-orb.cobalt {
  background: var(--color-cobalt);
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }

  100% {
    transform: translate(50px, -50px) scale(1.2);
  }
}

/* Glass Pill Badges */
.glass-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-4) var(--space-12);
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-sand);
}

/* Pre-AI Framework Cards (Download Kits) */
.framework-card {
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-32);
  position: relative;
  overflow: hidden;
  transition: all var(--motion-hover-dur) var(--motion-hover-ease);
}

.framework-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-lime), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.framework-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
  border-color: rgba(190, 242, 100, 0.3);
  /* Lime tint */
}

.framework-card:hover::before {
  transform: translateX(100%);
}

.stats-grid {
  display: flex;
  gap: var(--space-16);
  margin-top: var(--space-24);
  padding-top: var(--space-16);
  border-top: 1px dashed var(--glass-border);
}

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

.stat-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-lime);
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ==========================================================================
   PHASE 3: GRAPHS & ANIMATION GATES
   ========================================================================== */

/* Full-Width Graph Container */
.graph-container {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  height: 70vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.graph-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  mix-blend-mode: luminosity;
  transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  transform: scale(1.1);
}

.graph-container:hover .graph-img {
  opacity: 0.9;
  mix-blend-mode: normal;
  transform: scale(1);
}

/* Premium Animation Gates */
.anim-gate-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.8) 100%);
  pointer-events: none;
}

.anim-gate-content {
  text-align: center;
  padding: var(--space-32);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  max-width: 800px;
  transform: translateY(50px);
  opacity: 0;
  transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Gate Trigger Class (added via JS) */
.gate-open .anim-gate-content {
  transform: translateY(0);
  opacity: 1;
}

/* Accessibility / Reduced Motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Global Signature Footer */
.global-footer {
  width: 100%;
  padding: var(--space-24) var(--space-48);
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-slate-400);
  background: transparent;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 50;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: auto;
}

.rainbow-heart {
  display: inline-block;
  font-size: 1.1rem;
  margin: 0 4px;
  background: linear-gradient(90deg,
      #ff0000,
      #ff7f00,
      #ffff00,
      #00ff00,
      #0000ff,
      #4b0082,
      #9400d3,
      #ff0000);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: rainbow-pulse 2s linear infinite, heartbeat 1.5s ease-in-out infinite;
}

@keyframes rainbow-pulse {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: -200% center;
  }
}

@keyframes heartbeat {

  0%,
  100% {
    transform: scale(1);
  }

  15% {
    transform: scale(1.15);
  }

  30% {
    transform: scale(1);
  }

  45% {
    transform: scale(1.15);
  }
}

/* Mobile Exclusivity Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 99999;
  background: var(--color-bg, #0b0b0d);
  color: var(--color-white, #ffffff);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  font-family: var(--font-display, sans-serif);
}

.mobile-overlay h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 300;
  letter-spacing: -0.02em;
}

.mobile-overlay p {
  font-family: var(--font-body, sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.7;
  max-width: 300px;
}

@media (max-width: 768px) {
  .mobile-overlay {
    display: flex;
  }

  /* Prevent scrolling underneath */
  body {
    overflow: hidden !important;
  }
}