/* ============================================
   ATLUS RANK — Design System & Global Styles
   Industrial Premium Dark Theme
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg-primary: #0D0D0D;
  --color-bg-secondary: #1A1A1A;
  --color-bg-tertiary: #242424;
  --color-accent: #E8730C;
  --color-accent-hover: #FF8C21;
  --color-accent-glow: rgba(232, 115, 12, 0.25);
  --color-text-primary: #F5F5F5;
  --color-text-secondary: #A0A0A0;
  --color-text-tertiary: #666666;
  --color-border: #2A2A2A;
  --color-border-hover: #3A3A3A;
  --color-success: #34D399;
  --color-surface-glass: rgba(255, 255, 255, 0.04);

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --section-pad-y: 80px;
  --section-pad-y-mobile: 48px;
  --container-max: 1280px;
  --container-pad: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent-hover);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-secondary); }

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

.section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}
@media (max-width: 767px) {
  .section {
    padding-top: var(--section-pad-y-mobile);
    padding-bottom: var(--section-pad-y-mobile);
  }
}

/* --- Grid Utilities --- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1023px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  box-shadow: 0 0 24px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 14px 16px;
}
.btn-ghost:hover {
  color: var(--color-accent-hover);
}

/* --- Cards --- */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-base);
}
.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 0 30px rgba(232, 115, 12, 0.06);
}

.card-highlight {
  border-color: var(--color-accent);
  position: relative;
}
.card-highlight::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo:hover { color: var(--color-text-primary); }
.logo .logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo .logo-mark svg {
  width: 36px;
  height: 36px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}


.nav-cta {
  color: #fff !important;
  margin-left: 8px;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 767px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg-primary);
    padding: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }
  .nav-links.open {
    transform: translateX(0);
  }
  .nav-links a {
    font-size: 1.25rem;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    display: block;
    width: 100%;
  }
  
.nav-cta {
  color: #fff !important;
    margin-left: 0;
    margin-top: 16px;
    width: 100%;
    text-align: center;
  }
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
}
.footer-col a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  color: var(--color-text-tertiary);
  font-size: 0.8rem;
}

/* --- Hero Section --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
}

.hero-content .tagline {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-content h1 {
  margin-bottom: 24px;
}

.hero-content .subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 40px;
}
@media (max-width: 1023px) {
  .hero-content .subtitle { margin: 0 auto 40px; }
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 1023px) {
  .hero-actions { justify-content: center; }
}

/* Hero visual - abstract map grid */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual svg {
  width: 100%;
  max-width: 520px;
}
@media (max-width: 1023px) {
  .hero-visual { order: -1; }
  .hero-visual svg { max-width: 360px; margin: 0 auto; }
}

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 767px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

.stat-item .stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.stat-item .stat-label {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-header .label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-header h2 {
  margin-bottom: 16px;
}
.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

/* --- Steps / Process --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
@media (max-width: 767px) {
  .steps { grid-template-columns: 1fr; }
}

.step {
  position: relative;
  padding: 32px;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-bg-tertiary);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.step h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}
.step p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* --- Pricing Table --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 1023px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

.pricing-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition-base);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  position: relative;
}
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 16px;
  border-radius: 20px;
}

.pricing-card .plan-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.pricing-card .plan-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
}
.pricing-card .plan-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}
.pricing-card .plan-desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 12px 0 24px;
  min-height: 44px;
}

.pricing-card .features {
  text-align: left;
  margin-bottom: 32px;
}
.pricing-card .features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}
.pricing-card .features li:last-child { border-bottom: none; }
.pricing-card .features li svg {
  flex-shrink: 0;
  margin-top: 3px;
}
.pricing-card .features .check { color: var(--color-success); }
.pricing-card .features .dash { color: var(--color-text-tertiary); }

.pricing-card .btn {
  width: 100%;
}

/* --- FAQ --- */
.faq-list {
  max-width: 768px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--color-accent); }
.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.faq-item.open .faq-question svg {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 20px;
}
.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cta-section h2 {
  margin-bottom: 16px;
}
.cta-section p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto 32px;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.badge-accent {
  background: rgba(232, 115, 12, 0.15);
  color: var(--color-accent);
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
  border: none;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.comparison-table thead th {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 16px 12px;
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text-primary);
}
.comparison-table thead th:first-child {
  text-align: left;
}
.comparison-table thead th.highlight {
  color: var(--color-accent);
}
.comparison-table tbody td {
  padding: 12px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.comparison-table tbody td:first-child {
  text-align: left;
  color: var(--color-text-primary);
  font-weight: 500;
}
.comparison-table tbody tr:hover {
  background: var(--color-surface-glass);
}
.comparison-table .check-icon { color: var(--color-success); }
.comparison-table .dash-icon { color: var(--color-text-tertiary); }

/* Responsive table */
@media (max-width: 639px) {
  .comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .comparison-table {
    min-width: 600px;
  }
}

/* --- Blog Cards --- */
.blog-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}
.blog-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}
.blog-card-image {
  width: 100%;
  height: 200px;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-body {
  padding: 24px;
}
.blog-card-body .category {
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.blog-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.blog-card-body h3 a {
  color: var(--color-text-primary);
}
.blog-card-body h3 a:hover {
  color: var(--color-accent);
}
.blog-card-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-body .read-more {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- Article Styles --- */
.article-content {
  max-width: 720px;
  margin: 0 auto;
}
.article-content h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  font-size: 1.75rem;
}
.article-content h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.35rem;
}
.article-content p {
  margin-bottom: 20px;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}
.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 8px;
}
.article-content strong {
  color: var(--color-text-primary);
}
.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
}

/* --- Texture overlay (subtle industrial feel) --- */
.texture-overlay {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* --- Scroll offset for fixed header --- */
[id] {
  scroll-margin-top: 96px;
}

/* --- Utility --- */
.relative { position: relative; }
.z-1 { z-index: 1; }
.overflow-hidden { overflow: hidden; }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }