/* ==========================================================================
   MAHFUJ ALOM PORTFOLIO & CMS — PREMIUM DESIGN SYSTEM (TRADING PLATFORM THEME)
   High-Fidelity Visual Upgrade based on Premium Trading Platform Reference
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color Palette - Premium Dark Trading Visuals */
  --bg-primary: #07090e;
  --bg-secondary: #0d111a;
  --bg-tertiary: #141a26;
  --bg-card: rgba(18, 24, 38, 0.65);
  --bg-card-hover: rgba(26, 35, 54, 0.75);
  --bg-glass: rgba(15, 22, 36, 0.55);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(10, 132, 255, 0.3);
  --border-active: rgba(10, 132, 255, 0.6);

  /* Primary Accent Colors */
  --primary: #0A84FF;
  --primary-glow: rgba(10, 132, 255, 0.4);
  --accent-cyan: #30D158;
  --accent-teal: #64D2FF;
  --accent-purple: #5E5CE6;
  --accent-amber: #FF9F0A;
  --accent-rose: #FF453A;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Text Colors */
  --text-main: #F2F5FB;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Effects */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(10, 132, 255, 0.25);
  
  --backdrop-blur: blur(16px) saturate(180%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* Light Mode Theme Support */
body.light-theme {
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-tertiary: #E2E8F0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.7);
  --border-color: rgba(0, 0, 0, 0.08);
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dim: #94A3B8;
}

/* Global Reset & Base Styles */
body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
}

/* Glassmorphism Card Redesign */
.glass-card, .card, .hero-card, .stat-card, .service-card, .portfolio-card, .timeline-content, .testimonial-card {
  background: var(--bg-card) !important;
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover, .card:hover, .service-card:hover, .portfolio-card:hover, .testimonial-card:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-glow) !important;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Modern Gradient Text */
.gradient-text, .hero-title span, .section-title span {
  background: linear-gradient(135deg, #FFFFFF 0%, #0A84FF 50%, #64D2FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Premium Buttons */
.btn, .btn-primary, button[type="submit"] {
  background: linear-gradient(135deg, #0A84FF 0%, #0056B3 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: #FFFFFF !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 4px 15px rgba(10, 132, 255, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.btn:hover, .btn-primary:hover, button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(10, 132, 255, 0.5);
  filter: brightness(1.1);
}

.btn-secondary, .btn-outline {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-main) !important;
  backdrop-filter: var(--backdrop-blur);
}

.btn-secondary:hover, .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

/* Trading Platform Chart & Data Elements */
.trading-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(48, 209, 88, 0.12);
  color: #30D158;
  border: 1px solid rgba(48, 209, 88, 0.25);
}

.trading-badge.negative {
  background: rgba(255, 69, 58, 0.12);
  color: #FF453A;
  border-color: rgba(255, 69, 58, 0.25);
}

/* Navigation Bar Overlay */
.nav, navbar {
  background: rgba(7, 9, 14, 0.75) !important;
  backdrop-filter: var(--backdrop-blur) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

/* Modern Modal Overlay & Dialogs */
.mam-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mam-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.mam-modal-window {
  background: #0D111A;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(10, 132, 255, 0.2);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.96);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mam-modal-backdrop.active .mam-modal-window {
  transform: translateY(0) scale(1);
}

.mam-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mam-modal-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mam-modal-close {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94A3B8;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mam-modal-close:hover {
  background: rgba(255, 69, 58, 0.2);
  border-color: #FF453A;
  color: #FF453A;
  transform: rotate(90deg);
}

.mam-modal-body {
  padding: 28px;
}

/* ROI & Amazon FBA Growth Calculator */
.growth-calculator {
  background: linear-gradient(135deg, rgba(13, 17, 26, 0.95), rgba(18, 24, 38, 0.85));
  border: 1px solid rgba(10, 132, 255, 0.3);
  border-radius: 20px;
  padding: 32px;
  margin: 30px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.calc-slider-group {
  margin-bottom: 24px;
}

.calc-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.calc-slider-header label {
  font-weight: 600;
  color: #E2E8F0;
  font-size: 0.95rem;
}

.calc-val-pill {
  background: rgba(10, 132, 255, 0.15);
  border: 1px solid rgba(10, 132, 255, 0.35);
  color: #64D2FF;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.calc-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1A2336;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #0A84FF;
  box-shadow: 0 0 12px #0A84FF;
  cursor: pointer;
  border: 2px solid #FFFFFF;
}

.calc-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.calc-result-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.calc-result-box.highlight {
  background: rgba(48, 209, 88, 0.08);
  border-color: rgba(48, 209, 88, 0.3);
}

.calc-result-box .num {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #30D158;
  margin-bottom: 4px;
}

.calc-result-box .sub {
  font-size: 0.8rem;
  color: #94A3B8;
  font-weight: 500;
}

/* Supabase Live Status Pill */
.supabase-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(48, 209, 88, 0.12);
  color: #30D158;
  border: 1px solid rgba(48, 209, 88, 0.25);
  cursor: pointer;
  transition: all 0.2s ease;
}

.supabase-status-chip:hover {
  background: rgba(48, 209, 88, 0.2);
  box-shadow: 0 0 12px rgba(48, 209, 88, 0.3);
}

.supabase-status-chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #30D158;
  box-shadow: 0 0 8px #30D158;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* ==========================================================================
   E-BOOK SHOWCASE: AMAZON PPC MASTERY
   ========================================================================== */
.ebook-card-container {
  position: relative;
  background: linear-gradient(145deg, rgba(14, 19, 31, 0.85), rgba(9, 12, 20, 0.95));
  border: 1px solid rgba(94, 92, 230, 0.3);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(94, 92, 230, 0.15);
  overflow: hidden;
  margin-top: 20px;
  margin-bottom: 20px;
}

.ebook-card-container::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(94, 92, 230, 0.25), transparent 70%);
  pointer-events: none;
}

.ebook-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 52px;
  align-items: center;
}

@media (max-width: 992px) {
  .ebook-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .ebook-card-container {
    padding: 32px 24px;
  }
}

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

.ebook-cover-wrapper {
  position: relative;
  width: 100%;
  max-width: 340px;
  perspective: 1200px;
  transition: transform 0.4s ease;
}

.ebook-cover-wrapper:hover {
  transform: translateY(-8px) scale(1.02);
}

.ebook-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 35px rgba(94, 92, 230, 0.3);
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ebook-floating-badge {
  position: absolute;
  bottom: -15px;
  right: -15px;
  background: rgba(10, 132, 255, 0.9);
  backdrop-filter: blur(12px);
  color: #fff;
  padding: 10px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 20px rgba(10, 132, 255, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ebook-floating-badge-left {
  position: absolute;
  top: -15px;
  left: -15px;
  background: rgba(191, 90, 242, 0.9);
  backdrop-filter: blur(12px);
  color: #fff;
  padding: 8px 14px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ebook-details-column {
  display: flex;
  flex-direction: column;
}

.ebook-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #BF5AF2;
  margin-bottom: 12px;
}

.ebook-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.ebook-subtitle {
  font-size: 1.05rem;
  color: #CBD5E1;
  line-height: 1.65;
  margin-bottom: 24px;
}

.ebook-highlight-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(94, 92, 230, 0.12);
  border: 1px solid rgba(94, 92, 230, 0.3);
  border-radius: 12px;
  margin-bottom: 24px;
  color: #E2E8F0;
  font-size: 0.95rem;
}

.ebook-features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
}

.ebook-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: #E2E8F0;
}

.ebook-feature-item i {
  color: #30D158;
  margin-top: 3px;
  font-size: 0.95rem;
}

.ebook-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ebook-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  background: linear-gradient(135deg, #0A84FF, #5E5CE6);
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(10, 132, 255, 0.4);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ebook-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(10, 132, 255, 0.6);
  color: #FFFFFF;
}

.ebook-price-tag {
  display: flex;
  flex-direction: column;
}

.ebook-price-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: #30D158;
  font-family: var(--font-mono);
}

.ebook-price-label {
  font-size: 0.75rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}