/* ==========================================================================
   Academy Eng Matheus Nascimento - High-Impact Industrial Tech CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,600;0,700;0,800;1,400&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color System - Industrial Signal & High Contrast */
  --bg-main: #08090d;
  --bg-panel: #0f121a;
  --bg-panel-hover: #151a26;
  --bg-subtle: rgba(255, 255, 255, 0.03);
  
  --border-line: rgba(255, 255, 255, 0.08);
  --border-line-bright: rgba(255, 77, 0, 0.4);
  
  /* Primary Accents (Signal Orange & Electric Emerald) */
  --accent-orange: #ff4d00;
  --accent-orange-glow: rgba(ff, 77, 0, 0.25);
  --accent-emerald: #00e676;
  --accent-emerald-glow: rgba(0, 230, 118, 0.25);
  --accent-blue: #00b0ff;
  --telegram-brand: #229ed9;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #475569;
  
  /* Fonts */
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Layout Radius & Shadows */
  --radius-sharp: 4px;
  --radius-md: 8px;
  --shadow-panel: 0 10px 30px rgba(0, 0, 0, 0.5);
  --glow-orange: 0 0 25px rgba(255, 77, 0, 0.3);
  
  --tr-fast: all 0.15s ease-out;
  --tr-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  /* Blueprint Grid Pattern */
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

section {
  padding: 5.5rem 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* Section Header & Indexing */
.section-header {
  margin-bottom: 3.5rem;
  position: relative;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.section-index::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-orange);
  box-shadow: 0 0 8px var(--accent-orange);
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-main);
}

.section-title span.orange {
  color: var(--accent-orange);
}

.section-title span.emerald {
  color: var(--accent-emerald);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-top: 0.75rem;
}

/* Header & Technical Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  z-index: 1000;
  background: rgba(8, 9, 13, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.15rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.brand-badge {
  background: var(--accent-orange);
  color: #000;
  font-weight: 900;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sharp);
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: var(--tr-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent-orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-emerald);
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.25);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sharp);
  white-space: nowrap;
}

.status-dot-emerald {
  width: 7px;
  height: 7px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-emerald 1.5s infinite;
}

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

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sharp);
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--tr-smooth);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

.btn-orange {
  background: var(--accent-orange);
  color: #000;
  box-shadow: var(--glow-orange);
}

.btn-orange:hover {
  background: #ff661a;
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(255, 77, 0, 0.5);
}

.btn-telegram {
  background: #0088cc;
  color: #fff;
}

.btn-telegram:hover {
  background: #0099e6;
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 136, 204, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-line);
}

.btn-outline:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: rgba(255, 77, 0, 0.05);
}

/* Hero Section */
.hero {
  padding-top: 8.5rem;
  padding-bottom: 4rem;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-orange);
  background: rgba(255, 77, 0, 0.08);
  border: 1px solid rgba(255, 77, 0, 0.2);
  padding: 0.35rem 0.85rem;
  display: inline-block;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sharp);
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.typing-text {
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-line);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Terminal Console Panel */
.console-panel {
  background: #0b0e14;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sharp);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.console-header {
  background: #121620;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.console-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
  color: #a6accd;
  max-height: 380px;
  overflow-y: auto;
}

.c-orange { color: var(--accent-orange); }
.c-emerald { color: var(--accent-emerald); }
.c-blue { color: #82aaff; }
.c-comment { color: #546e7a; font-style: italic; }

/* Panels & Cards (Sharp Technical Aesthetics) */
.tech-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  padding: 1.5rem 1.6rem;
  border-radius: var(--radius-sharp);
  transition: var(--tr-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.tech-panel:hover {
  background: var(--bg-panel-hover);
  border-color: var(--border-line-bright);
  transform: translateY(-3px);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.25rem;
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.panel-icon-box {
  width: 44px;
  height: 44px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border-radius: var(--radius-sharp);
}

.panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.panel-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
  flex-grow: 1;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-tech {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-line);
  padding: 0.2rem 0.55rem;
  color: var(--text-muted);
  border-radius: var(--radius-sharp);
}

/* Telegram VIP Technical Section */
.vip-console-banner {
  background: #0c0f17;
  border: 1px solid var(--border-line-bright);
  padding: 3rem;
  border-radius: var(--radius-sharp);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-panel);
}

.vip-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--accent-orange);
  color: #000;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  display: inline-block;
  margin-bottom: 1rem;
  border-radius: var(--radius-sharp);
}

.vip-specs-list {
  list-style: none;
  margin: 1.5rem 0 2rem 0;
  display: grid;
  gap: 0.75rem;
}

.vip-specs-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.bullet-square {
  width: 10px;
  height: 10px;
  background: var(--accent-orange);
}

.vip-img-frame {
  border: 1px solid var(--border-line-bright);
  padding: 0.5rem;
  background: #08090d;
  border-radius: var(--radius-md);
  box-shadow: 0 0 25px rgba(255, 77, 0, 0.2);
  overflow: hidden;
  transition: var(--tr-smooth);
}

.vip-img-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(255, 77, 0, 0.45);
  border-color: var(--accent-orange);
}

.vip-img-frame img {
  width: 100%;
  display: block;
  border-radius: var(--radius-sharp);
  object-fit: cover;
  filter: contrast(108%) brightness(98%);
}

/* Pricing Cards Matrix */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  padding: 2rem;
  border-radius: var(--radius-sharp);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-orange);
  box-shadow: var(--glow-orange);
}

.featured-flag {
  position: absolute;
  top: -1px;
  right: 1.5rem;
  background: var(--accent-orange);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  text-transform: uppercase;
}

.price-value {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 1rem 0 0.5rem 0;
}

.price-value span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Q&A Store Cards */
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* ROI Calculator Box */
.calculator-panel {
  background: #0c0f17;
  border: 1px solid var(--border-line-bright);
  padding: 3rem;
  border-radius: var(--radius-sharp);
  max-width: 920px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.slider-group {
  margin-bottom: 1.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.65rem;
}

.slider-range {
  width: 100%;
  accent-color: var(--accent-orange);
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0;
  cursor: pointer;
}

.calc-output-box {
  background: rgba(255, 77, 0, 0.05);
  border: 1px solid rgba(255, 77, 0, 0.25);
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius-sharp);
}

.calc-big-num {
  font-family: var(--font-mono);
  font-size: 3.4rem;
  font-weight: 900;
  color: var(--accent-orange);
  line-height: 1;
}

/* FAQ Explorer */
.search-field-box {
  max-width: 640px;
  margin: 0 auto 3rem auto;
  position: relative;
}

.search-field-input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  border-radius: var(--radius-sharp);
  transition: var(--tr-fast);
}

.search-field-input:focus {
  border-color: var(--accent-orange);
  box-shadow: 0 0 15px rgba(255, 77, 0, 0.2);
}

.search-icon-pos {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.faq-list-container {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.faq-node {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sharp);
  overflow: hidden;
  transition: var(--tr-fast);
}

.faq-node:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-node-header {
  padding: 1.15rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  gap: 1rem;
  user-select: none;
  color: var(--text-main);
  transition: var(--tr-fast);
}

.faq-node-header span {
  display: flex;
  align-items: center;
}

.faq-node-header i.fa-chevron-down {
  transition: transform 0.3s ease;
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.faq-node-header:hover {
  color: var(--accent-orange);
}

.faq-node-header:hover i.fa-chevron-down {
  color: var(--accent-orange);
}

.faq-node.active .faq-node-header {
  color: var(--accent-orange);
}

.faq-node.active .faq-node-header i.fa-chevron-down {
  transform: rotate(180deg);
  color: var(--accent-orange);
}

.faq-node-body {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.4rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-node.active .faq-node-body {
  max-height: 300px;
  padding: 0 1.4rem 1.25rem 1.4rem;
}

.faq-node-body code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.07);
  color: var(--accent-orange);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.85em;
}

/* Modals System */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.88);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: #0d1017;
  border: 1px solid var(--border-line-bright);
  width: 100%;
  max-width: 520px;
  padding: 2.5rem;
  position: relative;
  border-radius: var(--radius-sharp);
  box-shadow: var(--shadow-panel);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.qr-box-inner {
  background: #fff;
  padding: 0.75rem;
  width: 180px;
  height: 180px;
  margin: 1.5rem auto;
}

.qr-box-inner img {
  width: 100%;
  height: 100%;
}

/* Toast Notifications */
.toast-stack {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast-item {
  background: #0d1017;
  border: 1px solid var(--accent-orange);
  padding: 1rem 1.5rem;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--radius-sharp);
}

/* Footer */
footer {
  background: #050608;
  border-top: 1px solid var(--border-line);
  padding: 4rem 0 2rem 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col-title {
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.footer-links-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.footer-links-list a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--tr-fast);
}

.footer-links-list a:hover {
  color: var(--accent-orange);
}

.footer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ==========================================================================
   Mobile First & Ultra-Responsive Touch Architecture
   ========================================================================== */

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-line);
  color: var(--text-main);
  font-size: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sharp);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--tr-fast);
}

.mobile-nav-toggle:hover, .mobile-nav-toggle:focus {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* Touch & Input Optimization for iOS/Android */
input, select, textarea, button {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

input[type="text"],
input[type="email"],
textarea {
  font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
}

/* Responsive Breakpoints */
@media (max-width: 1100px) {
  .nav-links {
    gap: 0.85rem;
  }
  .nav-links a {
    font-size: 0.75rem;
  }
  .status-indicator {
    display: none;
  }
}

@media (max-width: 992px) {
  .hero-grid, .vip-console-banner, .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 860px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 12, 18, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-line-bright);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    gap: 0;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
    animation: fadeInDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .hero {
    padding-top: 7rem;
    padding-bottom: 2.5rem;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.5rem);
  }
  
  .section-title {
    font-size: 2.1rem;
  }
  
  .pillars-grid, .pricing-grid, .store-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  #btn-nav-vip {
    display: none;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 1.1rem;
  }

  .author-profile-card {
    width: 100%;
    max-width: 100%;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .console-panel {
    border-radius: var(--radius-sharp);
    overflow-x: auto;
  }

  .console-body {
    font-size: 0.75rem;
    padding: 1rem;
    white-space: pre-wrap;
    word-break: break-word;
  }

  .calc-output-box {
    padding: 1.25rem;
    text-align: center;
  }

  .calc-big-num {
    font-size: 2.5rem;
  }

  .modal-box {
    width: 94%;
    padding: 1.35rem 1.1rem;
    max-height: 92vh;
  }

  .livepix-notice-badge {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Author Profile & Custom Links (LinkedIn & LivePix)
   ========================================================================== */
.author-profile-card {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-line-bright);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  max-width: fit-content;
  backdrop-filter: blur(8px);
}

.author-photo-wrapper {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  padding: 2.5px;
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-emerald));
  box-shadow: 0 0 16px rgba(255, 77, 0, 0.35);
  flex-shrink: 0;
}

.author-photo-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.author-profile-info {
  display: flex;
  flex-direction: column;
}

.author-name-text {
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.author-sub-text {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-linkedin {
  background: #0a66c2;
  color: #fff;
  border: 1px solid rgba(10, 102, 194, 0.5);
}

.btn-linkedin:hover {
  background: #084e96;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 22px rgba(10, 102, 194, 0.5);
}

.btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff;
  border: none;
  box-shadow: 0 0 18px rgba(225, 48, 108, 0.35);
}

.btn-instagram:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(225, 48, 108, 0.6);
}

.btn-livepix {
  background: linear-gradient(135deg, #00e676 0%, #00b0ff 100%);
  color: #000;
  font-weight: 800;
  border: none;
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.3);
}

.btn-livepix:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 230, 118, 0.6);
  color: #000;
}

.footer-author-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.footer-author-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-orange);
  box-shadow: 0 0 10px rgba(255, 77, 0, 0.3);
}

.livepix-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: rgba(0, 230, 118, 0.12);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
  border-radius: var(--radius-sharp);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--tr-fast);
}

.livepix-link-btn:hover {
  background: var(--accent-emerald);
  color: #000;
  box-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
}

/* Promo Tag Badge */
.promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 77, 0, 0.15);
  border: 1px solid var(--accent-orange);
  color: var(--accent-orange);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sharp);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-left: 0.5rem;
  box-shadow: 0 0 12px rgba(255, 77, 0, 0.25);
  animation: pulse-promo 2s infinite ease-in-out;
}

@keyframes pulse-promo {
  0%, 100% { box-shadow: 0 0 10px rgba(255, 77, 0, 0.2); }
  50% { box-shadow: 0 0 22px rgba(255, 77, 0, 0.5); }
}

/* LivePix Notice Badge */
.livepix-notice-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.25rem;
  padding: 0.65rem 1.1rem;
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: var(--radius-sharp);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-main);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.1);
}

.livepix-notice-badge i {
  color: var(--accent-emerald);
  font-size: 1rem;
}