/* ========================================
   GLOBAL DESIGN SYSTEM - LIGHT THEME
   CRUDE OIL FOREX TRADING PLATFORM
   ======================================== */

/* === FONT FACES === */
@font-face {
  font-family: 'Glacial Indifference';
  src: url('../fonts/GlacialIndifference-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Glacial Indifference';
  src: url('../fonts/GlacialIndifference-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Glacial Indifference';
  src: url('../fonts/GlacialIndifference-Italic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* === CSS VARIABLES - LIGHT THEME === */
:root {
  /* Light Theme Background Colors */
  --color-bg-primary: #f8f9fa;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f1f3f5;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  
  /* Crude Oil Dark Colors - Professional */
  --color-oil-primary: #2c3e50;
  --color-oil-secondary: #34495e;
  --color-oil-accent: #1a252f;
  --color-oil-highlight: #d35400;
  --color-oil-orange: #e67e22;
  
  /* Accent & Status Colors */
  --color-success: #27ae60;
  --color-success-dark: #229954;
  --color-warning: #f39c12;
  --color-error: #e74c3c;
  --color-info: #3498db;
  
  /* Text Colors - Dark on Light */
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-tertiary: #6c757d;
  --color-text-muted: #95a5a6;
  
  /* Border & Divider Colors */
  --color-border-primary: rgba(44, 62, 80, 0.15);
  --color-border-secondary: rgba(0, 0, 0, 0.08);
  --color-border-light: rgba(0, 0, 0, 0.05);
  --color-border-glow: rgba(230, 126, 34, 0.4);
  
  /* Gradient Definitions */
  --gradient-primary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --gradient-accent: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%);
  
  /* Shadow System */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(230, 126, 34, 0.25);
  --shadow-glow-strong: 0 0 50px rgba(230, 126, 34, 0.35);
  
  /* Spacing System */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Animation Timing */
  --timing-fast: 150ms;
  --timing-base: 250ms;
  --timing-slow: 400ms;
  --timing-slower: 600ms;
  
  /* Easing Functions */
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* === RESET & BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Glacial Indifference', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg-primary);
  color: var(--color-text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  background-image: url('../images/bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(248, 249, 250, 0.25);
  z-index: 0;
  pointer-events: none;
}

#canvas-background {
  display: none;
}

.main-content {
  position: relative;
  z-index: 1;
}

/* === GLOBAL PAGE NAME STYLE === */
.page-hero,
.plans-hero,
.affiliate-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-hero::before,
.plans-hero::before,
.affiliate-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(230, 126, 34, 0.2) 0%, rgba(230, 126, 34, 0) 50%),
    radial-gradient(circle at 88% 82%, rgba(44, 62, 80, 0.18) 0%, rgba(44, 62, 80, 0) 52%);
  z-index: -1;
  pointer-events: none;
}

.page-name-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.52rem 1.05rem;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 215, 164, 0.65);
  background: linear-gradient(135deg, rgba(255, 186, 105, 0.26), rgba(84, 156, 206, 0.22));
  color: #fff0d7;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.28);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.page-name-chip::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffbf70;
  box-shadow: 0 0 0 4px rgba(255, 191, 112, 0.2);
}

.page-hero .container,
.plans-hero .container,
.affiliate-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .page-hero-title,
.plans-hero .plans-hero-title,
.affiliate-hero .page-hero-title {
  color: #f5f9ff;
  text-shadow: 0 10px 34px rgba(6, 18, 34, 0.5);
}

.page-hero .page-hero-description,
.plans-hero .plans-hero-description,
.affiliate-hero .page-hero-description {
  color: rgba(236, 246, 255, 0.9);
  text-shadow: 0 4px 20px rgba(5, 14, 28, 0.42);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.h1, h1 { font-size: var(--font-size-5xl); font-weight: var(--font-weight-black); letter-spacing: -0.02em; }
.h2, h2 { font-size: var(--font-size-4xl); font-weight: var(--font-weight-bold); letter-spacing: -0.01em; }
.h3, h3 { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); }
.h4, h4 { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); }
.h5, h5 { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
.h6, h6 { font-size: var(--font-size-lg); font-weight: var(--font-weight-medium); }

p { margin-bottom: var(--space-md); color: var(--color-text-secondary); line-height: 1.7; }

.text-large { font-size: var(--font-size-lg); line-height: 1.8; }
.text-small { font-size: var(--font-size-sm); line-height: 1.6; }
.text-xs { font-size: var(--font-size-xs); line-height: 1.5; }
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-muted { color: var(--color-text-muted); }
.text-gradient { background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-oil { color: var(--color-oil-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.uppercase { text-transform: uppercase; letter-spacing: 0.05em; }

/* === BUTTON SYSTEM === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--timing-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--timing-slow) var(--ease-out), height var(--timing-slow) var(--ease-out);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-oil-primary);
  border: 2px solid var(--color-oil-primary);
}

.btn-outline:hover {
  background: var(--color-oil-primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border-secondary);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-primary);
  background: var(--color-bg-tertiary);
}

.btn-sm { padding: 0.625rem 1.25rem; font-size: var(--font-size-sm); }
.btn-lg { padding: 1.125rem 2.5rem; font-size: var(--font-size-lg); }
.btn-full { width: 100%; }

/* === CARD SYSTEM === */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid var(--color-border-secondary);
  transition: all var(--timing-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--timing-base) var(--ease-in-out);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-oil-highlight);
  box-shadow: var(--shadow-xl);
}

.card:hover::before { opacity: 1; }
.card-elevated { box-shadow: var(--shadow-lg); }
.card-glow { box-shadow: var(--shadow-glow); }

/* === FORM ELEMENTS === */
.form-group { margin-bottom: var(--space-lg); position: relative; }
.form-label { display: block; font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); color: var(--color-text-primary); margin-bottom: var(--space-xs); }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  transition: all var(--timing-base) var(--ease-in-out);
  outline: none;
  box-shadow: var(--shadow-sm);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-oil-highlight);
  box-shadow: 0 0 0 4px rgba(230, 126, 34, 0.15);
  background: #ffffff;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-input.error { border-color: var(--color-error); }
.form-input.success { border-color: var(--color-success); }
.form-error { color: var(--color-error); font-size: var(--font-size-sm); margin-top: var(--space-xs); display: none; }
.form-input.error ~ .form-error { display: block; animation: fadeInUp var(--timing-base) var(--ease-out); }

/* Checkbox */
.form-checkbox,
.form-radio { position: relative; padding-left: 2rem; cursor: pointer; user-select: none; }
.form-checkbox input,
.form-radio input { position: absolute; opacity: 0; cursor: pointer; }
.form-checkbox .checkmark,
.form-radio .checkmark { position: absolute; top: 0; left: 0; height: 22px; width: 22px; background-color: #ffffff; border: 2px solid var(--color-border-primary); border-radius: var(--radius-sm); transition: all var(--timing-base) var(--ease-in-out); box-shadow: var(--shadow-sm); }
.form-radio .checkmark { border-radius: 50%; }
.form-checkbox input:checked ~ .checkmark,
.form-radio input:checked ~ .checkmark { background: var(--gradient-accent); border-color: var(--color-oil-highlight); }
.form-checkbox .checkmark::after { content: ''; position: absolute; display: none; left: 7px; top: 3px; width: 5px; height: 10px; border: solid #ffffff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.form-checkbox input:checked ~ .checkmark::after { display: block; }

/* === CONTAINER SYSTEM === */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); }
.container-wide { max-width: 1536px; }
.container-narrow { max-width: 960px; }

/* === GRID SYSTEM === */
.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === FLEXBOX UTILITIES === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { justify-content: center; align-items: center; }
.flex-between { justify-content: space-between; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* === SPACING UTILITIES === */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.pt-xs { padding-top: var(--space-xs); }
.pt-sm { padding-top: var(--space-sm); }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }
.pt-2xl { padding-top: var(--space-2xl); }
.pt-3xl { padding-top: var(--space-3xl); }
.pb-xs { padding-bottom: var(--space-xs); }
.pb-sm { padding-bottom: var(--space-sm); }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }
.pb-2xl { padding-bottom: var(--space-2xl); }
.pb-3xl { padding-bottom: var(--space-3xl); }
.section-padding { padding: var(--space-3xl) 0; }

/* === ANIMATIONS === */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
@keyframes glow { 0%, 100% { box-shadow: 0 0 30px rgba(230, 126, 34, 0.25); } 50% { box-shadow: 0 0 50px rgba(230, 126, 34, 0.45); } }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes slideInFromTop { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }

.animate-fade-in { animation: fadeIn var(--timing-slow) var(--ease-out); }
.animate-fade-in-up { animation: fadeInUp var(--timing-slow) var(--ease-out); }
.animate-fade-in-down { animation: fadeInDown var(--timing-slow) var(--ease-out); }
.animate-fade-in-left { animation: fadeInLeft var(--timing-slow) var(--ease-out); }
.animate-fade-in-right { animation: fadeInRight var(--timing-slow) var(--ease-out); }
.animate-scale-in { animation: scaleIn var(--timing-slow) var(--ease-out); }
.animate-pulse { animation: pulse 2s var(--ease-in-out) infinite; }
.animate-glow { animation: glow 2s var(--ease-in-out) infinite; }

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* === SCROLL REVEAL === */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--timing-slower) var(--ease-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.animated {
  opacity: 1;
  transform: translateY(0);
}

.stagger-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-item.animated {
  opacity: 1;
  transform: translateX(0);
}

/* === VISIBILITY === */
.hidden { display: none !important; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  :root { --font-size-5xl: 2.5rem; --font-size-4xl: 2rem; --font-size-3xl: 1.75rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 var(--space-md); }
}

@media (max-width: 768px) {
  :root { --font-size-5xl: 2rem; --font-size-4xl: 1.75rem; --font-size-3xl: 1.5rem; --space-3xl: 4rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .btn { padding: 0.75rem 1.5rem; }
  .section-padding { padding: var(--space-2xl) 0; }
}

@media (max-width: 640px) {
  html { font-size: 14px; }
  .container { padding: 0 var(--space-sm); }
  .card { padding: var(--space-md); }
}

/* === UTILITIES === */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.overflow-hidden { overflow: hidden; }
.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-glow { box-shadow: var(--shadow-glow); }