/* ==========================================================================
   AMANO EXPLAIN STUDIO - Core Stylesheet
   Pure CSS Design / Dark Navy & Warm Accent Creative Studio Aesthetic
   No external fonts, no CDN dependencies, no JavaScript required.
   ========================================================================== */

/* --- CSS Variables & Theme --- */
:root {
  /* Color Palette */
  --bg-primary: #070b14;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-surface-hover: #273549;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-glass: rgba(30, 41, 59, 0.6);

  --border-subtle: #1e293b;
  --border-muted: #334155;
  --border-focus: #38bdf8;
  --border-accent: rgba(245, 158, 11, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #070b14;

  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-amber-dark: #d97706;
  --accent-orange: #ea580c;
  --accent-glow: rgba(245, 158, 11, 0.18);
  --accent-cyan: #38bdf8;
  --accent-cyan-subtle: rgba(56, 189, 248, 0.12);

  --badge-bg: rgba(245, 158, 11, 0.15);
  --badge-text: #fbbf24;
  --badge-border: rgba(245, 158, 11, 0.3);

  --timeline-track: #0b1120;
  --timeline-clip-video: #1e3a8a;
  --timeline-clip-audio: #065f46;
  --timeline-clip-text: #92400e;
  --timeline-playhead: #ef4444;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Layout & Spacing */
  --max-width-content: 1120px;
  --max-width-narrow: 768px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4.5rem;
  --spacing-4xl: 6rem;

  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-muted);
  --shadow-glow: 0 0 40px -10px var(--accent-glow);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(30, 58, 138, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 85% 60%, rgba(245, 158, 11, 0.05), transparent),
    var(--bg-primary);
  background-attachment: fixed;
}

/* --- Accessibility & Focus Visible --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent-amber);
  color: var(--text-inverse);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  z-index: 9999;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid #ffffff;
}

:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 3px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  margin-bottom: var(--spacing-xs);
}

p {
  margin-bottom: var(--spacing-md);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent-amber-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-smooth);
}

a:hover {
  color: #ffffff;
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: 0.4rem;
}

/* --- Layout Components --- */
.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-3xl);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.section-tag {
  display: inline-block;
  padding: 0.25rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--badge-text);
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

/* --- Site Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-weight: 900;
  font-size: 0.875rem;
  box-shadow: 0 0 12px var(--accent-glow);
}

.brand-name {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-smooth), background-color var(--transition-smooth);
}

.nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
  color: var(--text-inverse) !important;
  font-weight: 700;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

/* --- Hero Section --- */
.hero-section {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-badge-wrap {
  margin-bottom: var(--spacing-md);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  color: var(--accent-amber-light);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-amber);
}

.hero-title {
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-title-highlight {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-amber-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-lead {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 1.0625rem;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  min-height: 48px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(245, 158, 11, 0.5);
  color: var(--text-inverse);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-muted);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
  min-height: 48px;
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--text-muted);
  color: #ffffff;
}

.hero-key-points {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
  list-style: none;
  padding-left: 0;
}

.hero-key-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hero-key-icon {
  color: var(--accent-amber);
  font-weight: 900;
}

/* --- Hero Visual: Abstract CSS Video Timeline Mock --- */
.hero-visual {
  position: relative;
}

.timeline-mock-window {
  background: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.mock-window-header {
  background-color: var(--bg-primary);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.mock-window-dots {
  display: flex;
  gap: 6px;
}

.mock-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mock-window-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.mock-preview-area {
  background: #020617;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.mock-video-slide {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  width: 88%;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.mock-slide-topic {
  font-size: 0.75rem;
  color: var(--accent-amber-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.mock-slide-heading {
  font-size: 1rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.mock-subtitle-card {
  background: rgba(0, 0, 0, 0.85);
  border-left: 3px solid var(--accent-amber);
  color: #f8fafc;
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  max-width: 90%;
  margin-top: 0.25rem;
}

.mock-timeline-tracks {
  padding: 1rem;
  background-color: var(--timeline-track);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.timeline-track-row {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 0.5rem;
}

.track-label {
  color: var(--text-muted);
  font-weight: 600;
}

.track-lane {
  background-color: rgba(255, 255, 255, 0.04);
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  padding: 2px;
  gap: 4px;
  position: relative;
  overflow: hidden;
}

.clip {
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.clip-video {
  background-color: #1e3a8a;
  color: #93c5fd;
  border: 1px solid #3b82f6;
  width: 45%;
}

.clip-video-2 {
  background-color: #1e3a8a;
  color: #93c5fd;
  border: 1px solid #3b82f6;
  width: 50%;
}

.clip-telop {
  background-color: #78350f;
  color: #fde68a;
  border: 1px solid #d97706;
  width: 38%;
}

.clip-telop-2 {
  background-color: #78350f;
  color: #fde68a;
  border: 1px solid #d97706;
  width: 55%;
}

.clip-audio {
  background-color: #064e3b;
  color: #a7f3d0;
  border: 1px solid #10b981;
  width: 96%;
}

.mock-timeline-footer {
  background-color: var(--bg-surface);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}

.mock-tag-premiere {
  color: #a855f7;
  font-weight: 700;
}

/* --- Process / Workflow Section --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  position: relative;
}

.process-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.process-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-muted);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-amber);
  line-height: 1;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.process-card-title {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.process-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.workflow-highlight-box {
  margin-top: var(--spacing-2xl);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-muted);
  border-left: 4px solid var(--accent-amber);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
}

.workflow-highlight-title {
  font-size: 1.125rem;
  color: var(--accent-amber-light);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

/* --- Features / Value Props --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--border-muted);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--accent-amber-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Second Service (Subordinated Section) --- */
.secondary-service-section {
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.6) 30%, rgba(15, 23, 42, 0.6) 70%, transparent);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.secondary-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.secondary-badge {
  background-color: var(--accent-cyan-subtle);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent-cyan);
  padding: 0.25rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.secondary-target-list {
  list-style: none;
  padding-left: 0;
  margin: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.secondary-target-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.secondary-target-icon {
  color: var(--accent-cyan);
  font-weight: 700;
}

.secondary-visual-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

.secondary-visual-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.secondary-bundle-diagram {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bundle-block {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.bundle-plus {
  color: var(--accent-amber);
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1;
}

.note-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* --- Out of Scope (Clear Boundaries) --- */
.out-of-scope-box {
  background-color: rgba(15, 23, 42, 0.5);
  border: 1px dashed var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: var(--spacing-2xl);
}

.out-of-scope-title {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.out-of-scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.out-of-scope-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.cross-icon {
  color: #ef4444;
  font-weight: 900;
}

/* --- Policy & Pricing Notice Box --- */
.notice-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.notice-list {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.notice-list li {
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
}

/* --- Profile Section --- */
.profile-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.profile-avatar-wrap {
  text-align: center;
}

.profile-img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-full);
  border: 3px solid var(--accent-amber);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.25);
  margin: 0 auto var(--spacing-sm) auto;
  background-color: var(--bg-surface-elevated);
}

.profile-role {
  font-size: 0.9375rem;
  color: var(--accent-amber-light);
  font-weight: 700;
}

.profile-person-name {
  margin: 0.35rem 0 0;
  color: var(--color-text);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.profile-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.profile-bio {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.profile-policy-note {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- FAQ Section --- */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.faq-q {
  font-size: 1.0625rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.faq-q-badge {
  color: var(--accent-amber);
  font-weight: 800;
  font-size: 1.125rem;
  line-height: 1.3;
}

.faq-a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding-left: 1.6rem;
  margin-bottom: 0;
}

/* --- Contact / Consultation CTA Section --- */
.contact-section {
  background: radial-gradient(circle at center, rgba(30, 58, 138, 0.35) 0%, rgba(7, 11, 20, 0.95) 70%);
  border-top: 1px solid var(--border-muted);
  text-align: center;
  padding: var(--spacing-4xl) 0;
}

.contact-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--shadow-card), 0 0 50px -10px var(--accent-glow);
}

.contact-title {
  margin-bottom: var(--spacing-md);
}

.contact-lead {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact-status-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-amber);
  display: inline-block;
}

.contact-steps-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0 0 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--spacing-md);
}

/* --- Site Footer --- */
.site-footer {
  background-color: #030712;
  border-top: 1px solid var(--border-subtle);
  padding: var(--spacing-3xl) 0 var(--spacing-2xl) 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand-desc {
  margin-top: var(--spacing-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 400px;
}

.footer-links-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: flex-end;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-smooth);
}

.footer-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-copyright {
  color: var(--text-muted);
}

.footer-disclaimer {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* --- Legal / Static Content Pages (privacy.html, terms.html, 404.html) --- */
.page-container {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-4xl);
  min-height: 70vh;
}

.legal-article {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
}

.page-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.legal-section {
  margin-bottom: var(--spacing-2xl);
}

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h2 {
  text-align: left;
  font-size: 1.35rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-amber-light);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.legal-section p,
.legal-section li {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.back-home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
  text-decoration: none;
}

.back-home-link:hover {
  text-decoration: underline;
}

/* --- 404 Error Page Specifics --- */
.error-page-card {
  text-align: center;
  padding: var(--spacing-4xl) 2rem;
}

.error-code {
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--accent-amber);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 30px var(--accent-glow);
}

/* --- Responsive Breakpoints (PC, Tablet, Mobile) --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .secondary-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .profile-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-4xl: 4rem;
    --spacing-3xl: 3rem;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .nav-link {
    display: none; /* Keep CTA visible on mobile header */
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-links-list {
    justify-content: flex-start;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .timeline-mock-window {
    border-radius: var(--radius-md);
  }

  .mock-preview-area {
    padding: 1rem 0.5rem;
  }

  .mock-video-slide {
    width: 100%;
    padding: 1rem;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Motion Reduction (prefers-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;
  }
}