/* ==========================================================================
   ADITYA PRAJAPATI LABS - CORE STYLESHEET
   Design System: Inspired by meyerweb.com (typography & structure)
                  and Syntax CSS Battles (geometry, solid colors, sharp borders)
   CRITICAL CONSTRAINT: STRICTLY ZERO COLOR TRANSITIONS. SOLID COLORS ONLY.
   ========================================================================== */

:root {
  /* Color Palette - Light Mode (Default) */
  --bg-page: #fbfbfa;
  --bg-surface: #ffffff;
  --bg-surface-muted: #f3f3f0;
  --bg-surface-elevated: #ffffff;
  --bg-highlight: #fef9c3;
  --bg-code: #f1f1ee;
  --bg-header: #111827;
  --text-header: #f9fafb;

  --text-primary: #18181b;
  --text-secondary: #3f3f46;
  --text-muted: #71717a;
  --text-inverted: #ffffff;

  --border-strong: #18181b;
  --border-medium: #a1a1aa;
  --border-light: #e4e4e7;

  --brand-primary: #004b91;
  --brand-primary-hover: #002e5b;
  --brand-success: #047857;
  --brand-warning: #b45309;
  --brand-alert: #b91c1c;

  --link-color: #004b91;
  --link-hover: #b91c1c;

  --font-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;

  --shadow-solid: 3px 3px 0px var(--border-strong);
  --shadow-solid-hover: 5px 5px 0px var(--border-strong);
  --shadow-solid-active: 1px 1px 0px var(--border-strong);

  --container-max: 1120px;
  --content-max: 820px;
  --radius-sharp: 0px;
  --radius-subtle: 3px;
}

[data-theme="dark"] {
  --bg-page: #0f1217;
  --bg-surface: #181c24;
  --bg-surface-muted: #202632;
  --bg-surface-elevated: #242c3b;
  --bg-highlight: #3a2e10;
  --bg-code: #161c26;
  --bg-header: #0a0d12;
  --text-header: #f9fafb;

  --text-primary: #f4f4f5;
  --text-secondary: #d4d4d8;
  --text-muted: #a1a1aa;
  --text-inverted: #0f1217;

  --border-strong: #e4e4e7;
  --border-medium: #52525b;
  --border-light: #27272a;

  --brand-primary: #38bdf8;
  --brand-primary-hover: #7dd3fc;
  --brand-success: #34d399;
  --brand-warning: #fbbf24;
  --brand-alert: #f87171;

  --link-color: #38bdf8;
  --link-hover: #fca5a5;

  --shadow-solid: 3px 3px 0px #000000;
  --shadow-solid-hover: 5px 5px 0px #000000;
  --shadow-solid-active: 1px 1px 0px #000000;
}

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

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-page);
  color: var(--text-primary);
}

/* Typography Hierarchy - Inspired by Eric Meyer's editorial readability */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--border-strong); padding-bottom: 0.35rem; margin-top: 2rem; }
h3 { font-size: 1.35rem; margin-top: 1.5rem; }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

em {
  font-style: italic;
}

a {
  color: var(--link-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

a:hover, a:focus {
  color: var(--link-hover);
  background-color: var(--bg-surface-muted);
}

/* Monospace & Code */
code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background-color: var(--bg-code);
  padding: 0.15em 0.35em;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-subtle);
  color: var(--text-primary);
}

pre {
  background-color: var(--bg-code);
  border: 2px solid var(--border-strong);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-solid);
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.content-narrow {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

/* Top Utility Bar (Google Play Console & Entity Info) */
.top-notice {
  background-color: var(--bg-header);
  color: var(--text-header);
  font-size: 0.825rem;
  padding: 0.4rem 1.25rem;
  border-bottom: 1px solid var(--border-strong);
}

.top-notice .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-notice-entity {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
}

.top-notice-badge {
  display: inline-block;
  background-color: var(--brand-success);
  color: #ffffff;
  padding: 0.1rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid #ffffff;
}

.top-notice-links {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
}

.top-notice-links a {
  color: #93c5fd;
  text-decoration: none;
}

.top-notice-links a:hover {
  text-decoration: underline;
  background: none;
}

/* Header & Navigation Bar */
.site-header {
  background-color: var(--bg-surface);
  border-bottom: 3px solid var(--border-strong);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-link:hover {
  background: none;
}

.brand-logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--border-strong);
  color: var(--text-inverted);
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 1.15rem;
  border: 2px solid var(--border-strong);
  box-shadow: 2px 2px 0px var(--border-medium);
  flex-shrink: 0;
}

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

.brand-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.1;
  color: var(--text-primary);
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus {
  border-color: var(--border-strong);
  background-color: var(--bg-surface-muted);
  box-shadow: 2px 2px 0px var(--border-strong);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background-color: var(--border-strong);
  color: var(--text-inverted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--border-strong);
  box-shadow: 2px 2px 0px var(--border-medium);
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background-color: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: 3px 3px 0px var(--border-strong);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-surface-muted);
  border: 2px solid var(--border-strong);
  color: var(--text-primary);
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  margin-left: 0.5rem;
  box-shadow: 2px 2px 0px var(--border-strong);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-surface);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: var(--bg-surface-muted);
  border: 2px solid var(--border-strong);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: 2px 2px 0px var(--border-strong);
}

/* Main Content Wrapper */
main {
  flex: 1;
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 2px solid var(--border-light);
  background-color: var(--bg-surface);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--bg-surface-muted);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  background-color: var(--brand-success);
  display: inline-block;
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  padding: 0.25rem 0.65rem;
  background-color: var(--bg-surface-muted);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-weight: 600;
}

.tech-badge.highlight {
  border-color: var(--border-strong);
  background-color: var(--bg-highlight);
  color: #78350f;
}

[data-theme="dark"] .tech-badge.highlight {
  background-color: #3f2d08;
  color: #fde68a;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Button Component - CSS Battle tactile feel */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-solid-active);
}

.btn-primary {
  background-color: var(--border-strong);
  color: var(--text-inverted);
}

.btn-primary:hover {
  background-color: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-solid-hover);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-muted);
  box-shadow: var(--shadow-solid-hover);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.825rem;
}

/* Hero Terminal / Architectural Preview Box (Pure CSS Battle geometry) */
.hero-preview-box {
  background-color: var(--bg-surface-muted);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
  padding: 0;
}

.terminal-header {
  background-color: var(--border-strong);
  color: var(--text-inverted);
  padding: 0.5rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.terminal-dots {
  display: flex;
  gap: 0.35rem;
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 0;
  background-color: #64748b;
  display: inline-block;
}

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

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.6;
}

.terminal-row {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 0.5rem;
}

.terminal-key {
  color: var(--text-muted);
  min-width: 110px;
}

.terminal-val {
  color: var(--text-primary);
  font-weight: 600;
}

.terminal-status-ok {
  color: var(--brand-success);
  font-weight: 700;
}

/* Section Header Styles */
.section {
  padding: 3.5rem 0;
  border-bottom: 2px solid var(--border-light);
}

.section-title-wrap {
  margin-bottom: 2rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
  display: block;
}

.section-title {
  margin-top: 0;
  font-size: 2rem;
  border-bottom: 2px solid var(--border-strong);
  padding-bottom: 0.5rem;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 760px;
  margin-top: 0.75rem;
}

/* Apps Showcase Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.app-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
  display: flex;
  flex-direction: column;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.app-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-solid-hover);
}

.app-card-header {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.app-icon-img {
  width: 56px;
  height: 56px;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
}

.app-meta {
  flex: 1;
}

.app-name {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 0.2rem;
  font-family: var(--font-serif);
}

.app-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-primary);
  font-weight: 700;
  text-transform: uppercase;
}

.app-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-tagline {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.app-description {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
}

/* Architecture Features List inside Cards */
.app-specs-list {
  list-style: none;
  margin-bottom: 1.25rem;
  border-top: 1px solid var(--border-light);
  padding-top: 0.75rem;
}

.app-specs-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-specs-list li::before {
  content: "■";
  color: var(--brand-primary);
  font-size: 0.65rem;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.app-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background-color: var(--bg-code);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.app-card-footer {
  padding: 1rem 1.25rem;
  background-color: var(--bg-surface-muted);
  border-top: 2px solid var(--border-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.status-pill.review {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #b45309;
}

[data-theme="dark"] .status-pill.review {
  background-color: #451a03;
  color: #fde68a;
  border-color: #f59e0b;
}

.status-pill.live {
  background-color: #d1fae5;
  color: #065f46;
  border-color: #047857;
}

[data-theme="dark"] .status-pill.live {
  background-color: #064e3b;
  color: #a7f3d0;
  border-color: #10b981;
}

.app-actions {
  display: flex;
  gap: 0.5rem;
}

/* Architectural Principles Section */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.principle-box {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  padding: 1.25rem;
  box-shadow: var(--shadow-solid);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 0.5rem;
}

.principle-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.principle-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Skills & Competencies Grid */
.skills-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
}

.skills-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-surface);
  text-align: left;
  font-size: 0.9rem;
}

.skills-table th,
.skills-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  vertical-align: top;
}

.skills-table th {
  background-color: var(--border-strong);
  color: var(--text-inverted);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-right-color: var(--border-medium);
}

.skills-table tr:last-child td {
  border-bottom: none;
}

.skills-table td:last-child,
.skills-table th:last-child {
  border-right: none;
}

.skills-table tr:hover td {
  background-color: var(--bg-surface-muted);
}

.skills-category {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand-primary);
  min-width: 160px;
}

/* About / Developer Profile Layout */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.profile-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  padding: 1.5rem;
  box-shadow: var(--shadow-solid);
}

.profile-header {
  border-bottom: 2px solid var(--border-strong);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.profile-name {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.profile-role {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brand-primary);
  font-weight: 700;
}

.profile-details-list {
  list-style: none;
  font-size: 0.9rem;
}

.profile-details-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.profile-details-list li:last-child {
  border-bottom: none;
}

.detail-label {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.detail-val {
  font-weight: 600;
  text-align: right;
}

/* Verification Reference Callout (For Google Play Organization Verification) */
.verification-callout {
  background-color: var(--bg-surface-muted);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
  padding: 1.5rem;
  margin-top: 2rem;
}

.verification-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-medium);
  padding-bottom: 0.75rem;
}

.verification-icon {
  background-color: var(--brand-success);
  color: #ffffff;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.9rem;
  border: 1px solid var(--border-strong);
}

.verification-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.verification-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.verification-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.75rem 1rem;
}

.verification-item-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.verification-item-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  word-break: break-word;
}

/* Callout Box (Used in Privacy, Terms, Data Deletion) */
.callout {
  background-color: var(--bg-surface-muted);
  border-left: 5px solid var(--border-strong);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.callout-alert {
  border-left-color: var(--brand-alert);
  background-color: var(--bg-surface-muted);
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Official Entity & Transparency Footer (#contact) */
.site-footer {
  background-color: var(--bg-header);
  color: #e2e8f0;
  border-top: 4px solid var(--border-strong);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h3,
.footer-col h4 {
  color: #ffffff;
  font-family: var(--font-serif);
  margin-top: 0;
}

.footer-col h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #334155;
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

.footer-col p {
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col a {
  color: #93c5fd;
  text-decoration: underline;
}

.footer-col a:hover {
  color: #ffffff;
  background: none;
}

.footer-entity-box {
  background-color: #0b0f17;
  border: 1px solid #334155;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.6;
}

.footer-entity-row {
  margin-bottom: 0.5rem;
}

.footer-entity-row:last-child {
  margin-bottom: 0;
}

.footer-entity-label {
  color: #94a3b8;
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.footer-entity-val {
  color: #f8fafc;
  font-weight: 600;
}

.footer-links-list {
  list-style: none;
  font-size: 0.9rem;
}

.footer-links-list li {
  margin-bottom: 0.5rem;
}

.footer-links-list a {
  color: #cbd5e1;
  text-decoration: none;
  display: inline-block;
  padding: 0.15rem 0;
}

.footer-links-list a:hover {
  color: #ffffff;
  text-decoration: underline;
  background: none;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.825rem;
  color: #64748b;
  font-family: var(--font-mono);
}

.footer-legal-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-legal-bar a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-legal-bar a:hover {
  color: #ffffff;
  text-decoration: underline;
  background: none;
}

/* Table of Contents for Legal / Document Pages */
.doc-header {
  padding: 3rem 0 2rem;
  border-bottom: 2px solid var(--border-strong);
  background-color: var(--bg-surface);
}

.doc-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.doc-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  padding: 3rem 0;
}

.doc-toc {
  position: sticky;
  top: 5rem;
  align-self: start;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-solid);
  padding: 1.25rem;
}

.doc-toc-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-top: 0;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.4rem;
}

.doc-toc-list {
  list-style: none;
  font-size: 0.85rem;
}

.doc-toc-list li {
  margin-bottom: 0.5rem;
}

.doc-toc-list a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
}

.doc-toc-list a:hover {
  color: var(--brand-primary);
  text-decoration: underline;
  background: none;
}

.doc-content section {
  margin-bottom: 2.5rem;
}

.doc-content h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 1rem;
  padding-bottom: 0.25rem;
}

.doc-content h3 {
  font-size: 1.2rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.doc-content ul,
.doc-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.doc-content li {
  margin-bottom: 0.4rem;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--brand-primary);
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-weight: 700;
  z-index: 1000;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .doc-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .doc-toc {
    position: static;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.85rem; }
  .hero-title { font-size: 2.1rem; }
  h2 { font-size: 1.45rem; }

  .mobile-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 3px solid var(--border-strong);
    padding: 1rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 4px 0 var(--border-strong);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .nav-links a {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-light);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
    justify-content: center;
  }

  .theme-toggle-btn {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }

  .top-notice .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Print Styles - meyerweb tradition */
@media print {
  .top-notice, .site-header, .theme-toggle-btn, .nav-cta, .btn, .mobile-toggle {
    display: none !important;
  }
  body {
    background: #ffffff;
    color: #000000;
  }
  .app-card, .profile-card, .verification-callout {
    box-shadow: none !important;
    border: 1px solid #000000;
    page-break-inside: avoid;
  }
}