/* ==========================================================================
   M'ARC INSTITUTE / YOGATONUSFLOW - EDITORIAL & RESEARCH PORTAL
   Official Stylesheet | Handcrafted & Standard Compliant CSS
   Established: 2015 | Osaka, Japan | Corporate ID: 4120001170256
   ========================================================================== */

:root {
  --font-serif: "Georgia", "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  
  --color-brand-primary: #1a365d;
  --color-brand-secondary: #0d9488;
  --color-brand-accent: #c05621;
  --color-brand-dark: #0f172a;
  
  --bg-main: #ffffff;
  --bg-alt: #f8fafc;
  --bg-subtle: #f1f5f9;
  --bg-card: #ffffff;
  --bg-accent-soft: #f0fdf4;
  --bg-warning-soft: #fefce8;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-heading: #0f172a;
  
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-alt);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-heading);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-main);
  line-height: 1.75;
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-brand-secondary);
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  position: relative;
}

.section-sm {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.section-alt {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-accent {
  background: linear-gradient(135deg, #1a365d 0%, #0f172a 100%);
  color: #ffffff;
}

.section-accent h1, .section-accent h2, .section-accent h3 {
  color: #ffffff;
}

.section-accent p {
  color: #e2e8f0;
}

.top-notice-bar {
  background-color: #fefce8;
  border-bottom: 1px solid #fef08a;
  color: #713f12;
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
  text-align: center;
  line-height: 1.4;
}

.top-notice-bar a {
  color: #854d0e;
  font-weight: 600;
  text-decoration: underline;
}

.top-registry-bar {
  background-color: #0f172a;
  color: #94a3b8;
  font-size: 0.75rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid #1e293b;
}

.top-registry-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-registry-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-registry-item a {
  color: #cbd5e1;
}

.top-registry-item a:hover {
  color: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-symbol {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #1a365d 0%, #0d9488 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  box-shadow: 0 2px 4px rgba(26, 54, 93, 0.25);
  flex-shrink: 0;
}

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-brand-primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brand-secondary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  background-color: var(--color-brand-primary);
  color: #ffffff !important;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
  background-color: #0f2442;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-main);
}

.mobile-menu {
  display: none;
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.mobile-menu.open {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 0.65rem 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-link:last-child {
  border-bottom: none;
  margin-top: 0.5rem;
}

.hero-wrapper {
  position: relative;
  background: radial-gradient(circle at 80% 20%, #1e3a8a 0%, #0f172a 70%);
  color: #ffffff;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.archival-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e2e8f0;
}

.archival-badge.gold {
  background-color: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fef08a;
}

.hero-description {
  font-size: 1.125rem;
  color: #cbd5e1;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: #38bdf8;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  margin-top: 0.35rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xl);
}

.hero-card-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.hero-card-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.hero-card-header p {
  color: #94a3b8;
  font-size: 0.8125rem;
  margin-bottom: 0;
}

.assessment-box {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  margin-top: -3rem;
  position: relative;
  z-index: 10;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.form-select, .form-input, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-alt);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff !important;
  background-color: var(--color-brand-primary);
  border: 1px solid var(--color-brand-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: #0f2442;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-brand-primary) !important;
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background-color: var(--bg-alt);
  border-color: var(--color-brand-primary);
}

.calculator-result-card {
  background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.meter-wrapper {
  margin: 1rem 0;
}

.meter-track {
  height: 12px;
  background-color: #cbd5e1;
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.meter-fill {
  height: 100%;
  width: 65%;
  background: linear-gradient(90deg, #0d9488 0%, #38bdf8 100%);
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-controls {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  position: relative;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-brand-primary);
  background-color: rgba(26, 54, 93, 0.04);
}

.tab-btn.active {
  color: var(--color-brand-primary);
  background-color: #ffffff;
}

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-brand-primary);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.research-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.research-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: #cbd5e1;
}

.research-card-img-wrap {
  height: 200px;
  overflow: hidden;
  background-color: #e2e8f0;
  position: relative;
}

.research-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.research-card:hover .research-card-img-wrap img {
  transform: scale(1.04);
}

.research-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.monograph-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.monograph-doi {
  font-family: monospace;
  color: var(--color-brand-secondary);
  font-weight: 600;
}

.archival-table-wrap {
  overflow-x: auto;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.archival-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.archival-table th {
  background-color: var(--bg-alt);
  padding: 0.9rem 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  border-bottom: 2px solid var(--border-color);
  font-family: var(--font-serif);
}

.archival-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: top;
}

.archival-table tr:hover td {
  background-color: var(--bg-subtle);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.board-member-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.board-member-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-brand-primary);
}

.board-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  margin: 0 auto 1.25rem;
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px var(--color-brand-secondary);
}

.board-role {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-brand-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-brand-primary);
}

.faq-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.faq-header:hover {
  background-color: var(--bg-alt);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background-color: var(--color-brand-primary);
  color: #ffffff;
}

.faq-body {
  display: none;
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-main);
  line-height: 1.7;
  border-top: 1px solid var(--bg-subtle);
  padding-top: 1rem;
}

.faq-item.active .faq-body {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

.site-footer {
  margin-top: auto;
  background-color: #0f172a;
  color: #cbd5e1;
  border-top: 4px solid var(--color-brand-primary);
}

.footer-top {
  padding: 4rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
  gap: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-brand-secondary);
}

.footer-col p {
  color: #94a3b8;
  font-size: 0.875rem;
  line-height: 1.65;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-links a:hover {
  color: #38bdf8;
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.875rem;
  color: #94a3b8;
}

.footer-contact-item a {
  color: #cbd5e1;
}

.footer-contact-item a:hover {
  color: #38bdf8;
}

.footer-disclaimer-band {
  background-color: #080d1a;
  padding: 1.25rem 0;
  border-top: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
  font-size: 0.8125rem;
  color: #64748b;
  text-align: center;
  line-height: 1.5;
}

.footer-bottom {
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: #64748b;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-legal-nav a {
  color: #94a3b8;
}

.footer-legal-nav a:hover {
  color: #ffffff;
}

#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-brand-secondary) 0%, #38bdf8 100%);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease-out;
}

#scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-brand-primary);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  font-size: 1.1rem;
}

#scroll-top-btn:hover {
  background-color: #0f2442;
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.toast-notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #0f172a;
  color: #ffffff;
  padding: 1rem 1.75rem;
  border-radius: var(--radius-md);
  border-left: 4px solid #10b981;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .tool-grid {
    grid-template-columns: 1fr;
  }
  
  .main-nav {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats-bar {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .assessment-box {
    padding: 1.5rem;
    margin-top: -1.5rem;
  }
  
  .top-registry-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}