/* ============================================
   ChatGPT Detector — Premium SaaS Stylesheet
   ============================================ */

:root {
  --primary: #7C3AED;
  --primary-hover: #6D28D9;
  --primary-light: rgba(124, 58, 237, 0.15);
  --accent: #22C55E;
  --accent-hover: #16A34A;
  --bg-dark: #0B1120;
  --bg-dark-elevated: #111827;
  --bg-dark-card: rgba(17, 24, 39, 0.7);
  --bg-light: #F9FAFB;
  --bg-light-elevated: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-inverse: #F9FAFB;
  --border: rgba(124, 58, 237, 0.2);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(124, 58, 237, 0.12);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-height: 72px;
}

[data-theme="light"] {
  --bg-dark: #F9FAFB;
  --bg-dark-elevated: #FFFFFF;
  --bg-dark-card: rgba(255, 255, 255, 0.85);
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-inverse: #111827;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(124, 58, 237, 0.15);
  --shadow-md: 0 4px 20px rgba(124, 58, 237, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-inverse);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

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

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

a:hover {
  color: var(--accent);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-inverse);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }

p {
  color: var(--text-secondary);
}

[data-theme="light"] p {
  color: #4B5563;
}

[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4 {
  color: var(--text-primary);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ========== Navbar ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  background: rgba(11, 17, 32, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition), box-shadow var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(249, 250, 251, 0.85);
}

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

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-inverse);
}

.logo svg {
  width: 32px;
  height: 32px;
}

.logo span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-inverse);
  font-weight: 500;
  font-size: 0.9375rem;
  opacity: 0.85;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
  color: var(--primary);
}

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

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  color: var(--text-inverse);
}

.theme-toggle:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

[data-theme="dark"] .theme-toggle .icon-sun,
html:not([data-theme]) .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon,
html:not([data-theme]) .theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-inverse);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #9333EA);
  color: #fff;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-inverse);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-utility {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
}

.btn-utility:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.btn-utility svg {
  width: 16px;
  height: 16px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== Ad Slots ========== */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  overflow: hidden;
}

.ad-header {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 0 auto;
}

.ad-sidebar {
  width: 300px;
  min-height: 250px;
  flex-shrink: 0;
}

.ad-in-content {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 2rem auto;
}

.ad-footer {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 0 auto 1.5rem;
}

/* ========== Hero ========== */
.hero {
  padding: calc(var(--navbar-height) + 3rem) 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Tool Section ========== */
.tool-section {
  padding: 3rem 0 5rem;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: start;
}

.tool-main {
  flex: 1;
}

.glass-card {
  background: var(--bg-dark-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  box-shadow: var(--shadow-md);
}

.tool-header {
  margin-bottom: 1.5rem;
}

.tool-header h2 {
  margin-bottom: 0.5rem;
}

.textarea-wrapper {
  position: relative;
  margin-bottom: 1rem;
}

#text-input {
  width: 100%;
  min-height: 200px;
  padding: 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-inverse);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}

[data-theme="light"] #text-input {
  background: #F3F4F6;
  color: var(--text-primary);
}

#text-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

#text-input::placeholder {
  color: var(--text-secondary);
}

.textarea-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.char-counter {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.char-counter.warning {
  color: #F59E0B;
}

.char-counter.limit {
  color: #EF4444;
}

.utility-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tool-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-analyze {
  min-width: 180px;
  position: relative;
}

.btn-analyze .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn-analyze.loading .btn-text { opacity: 0; }
.btn-analyze.loading .spinner { display: block; position: absolute; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Results */
.results-panel {
  display: none;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
}

.results-panel.visible {
  display: block;
  animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.score-card {
  text-align: center;
  padding: 1.25rem;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.score-card .score-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
}

.score-card.ai .score-value { color: #A78BFA; }
.score-card.human .score-value { color: var(--accent); }
.score-card.confidence .score-value { color: var(--primary); }

.score-card .score-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.progress-bars {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.progress-item label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.progress-track {
  height: 10px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50px;
  overflow: hidden;
}

[data-theme="light"] .progress-track {
  background: #E5E7EB;
}

.progress-fill {
  height: 100%;
  border-radius: 50px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.ai {
  background: linear-gradient(90deg, var(--primary), #A78BFA);
}

.progress-fill.human {
  background: linear-gradient(90deg, var(--accent), #4ADE80);
}

.verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
}

.verdict-badge.likely-ai {
  background: rgba(124, 58, 237, 0.2);
  color: #C4B5FD;
  border: 1px solid var(--primary);
}

.verdict-badge.likely-human {
  background: rgba(34, 197, 94, 0.2);
  color: #86EFAC;
  border: 1px solid var(--accent);
}

.verdict-badge.mixed {
  background: rgba(245, 158, 11, 0.2);
  color: #FCD34D;
  border: 1px solid #F59E0B;
}

/* ========== Features ========== */
.features {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  max-width: 560px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-dark-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  color: var(--primary);
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

/* ========== FAQ ========== */
.faq {
  padding: 5rem 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: var(--bg-dark-card);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-inverse);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--primary-light);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  transition: transform var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ========== Page Content (About, Privacy, etc.) ========== */
.page-hero {
  padding: calc(var(--navbar-height) + 3rem) 0 2rem;
  text-align: center;
}

.page-content {
  padding: 2rem 0 5rem;
}

.content-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem;
  background: var(--bg-dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.content-card h2 {
  font-size: 1.375rem;
  margin: 2rem 0 1rem;
  color: var(--text-inverse);
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card p,
.content-card li {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.content-card ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-card ul li {
  margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-inverse);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-inverse);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
  background: #F3F4F6;
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #EF4444;
}

.form-error {
  font-size: 0.8125rem;
  color: #EF4444;
  margin-top: 0.375rem;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  display: none;
  padding: 1.5rem;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  margin-top: 1.5rem;
}

.form-success.visible {
  display: block;
  animation: fadeInUp 0.4s ease;
}

/* ========== Footer ========== */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .footer {
  background: #F3F4F6;
}

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

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.875rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text-inverse);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ========== Toast ========== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  padding: 1rem 1.5rem;
  background: var(--bg-dark-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toastIn 0.35s ease forwards;
  pointer-events: auto;
  max-width: 320px;
}

.toast.success {
  border-color: var(--accent);
  color: var(--accent);
}

.toast.error {
  border-color: #EF4444;
  color: #EF4444;
}

.toast.info {
  border-color: var(--primary);
  color: var(--primary);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========== Scroll to Top ========== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

/* ========== Fade-in on Scroll ========== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .ad-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--bg-dark-elevated);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .hamburger {
    display: flex;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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

  .btn-analyze {
    width: 100%;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }

  .toast {
    max-width: 100%;
  }

  .scroll-top {
    left: auto;
    right: 1rem;
    bottom: 5rem;
  }
}

@media (max-width: 480px) {
  .glass-card {
    padding: 1.25rem;
  }

  .utility-buttons {
    width: 100%;
  }

  .btn-utility {
    flex: 1;
  }

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