/* ============================================================
   BookWell.host Design System
   Apple-inspired, premium, clean, modern
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #DBEAFE;
  --color-primary-dark: #1E40AF;

  --color-dark: #0F172A;
  --color-dark-secondary: #1E293B;
  --color-text: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;

  --color-bg: #F8FAFC;
  --color-bg-white: #FFFFFF;
  --color-bg-subtle: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;

  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, ui-monospace, 'Cascadia Code', 'Segoe UI Mono', Menlo, Monaco, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 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, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 720px;
}


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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg-white);
  min-height: 100vh;
}

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

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

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

ul, ol {
  list-style: none;
}

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

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}


/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-weight: var(--font-semibold); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-dark { color: var(--color-dark); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-white { color: #FFFFFF; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }

.font-mono { font-family: var(--font-mono); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ---------- Layout / Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-lg {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}


/* ---------- Flexbox Utilities ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }


/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}


/* ---------- Spacing Utilities ---------- */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.p-0 { padding: 0; }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }


/* ---------- Display Utilities ---------- */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:inline-block { display: inline-block; }
}


/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1.25;
  border-radius: var(--radius-lg);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm), 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md), 0 4px 12px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-sm);
}

/* Secondary */
.btn-secondary {
  background: var(--color-dark);
  color: #FFFFFF;
  border-color: var(--color-dark);
}

.btn-secondary:hover {
  background: var(--color-dark-secondary);
  border-color: var(--color-dark-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: #FFFFFF;
}

/* Outline */
.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-outline:hover {
  background: var(--color-bg);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-bg);
  color: var(--color-dark);
}

/* Sizes */
.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

/* Icon button */
.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

/* Button group */
.btn-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Loading state */
.btn.loading {
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-right-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-primary.loading::after {
  border-top-color: #FFFFFF;
  border-right-color: #FFFFFF;
}


/* ---------- Form Styles ---------- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-dark);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-dark);
  background-color: var(--color-bg-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-text-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%2364748B' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-help {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-checkbox-group input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox-group label {
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
}


/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.card-hover {
  transition: all var(--transition-slow);
}

.card-hover:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.card-header {
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.card-body {
  flex: 1;
}

.card-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}


/* ---------- Badges / Tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.125rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1.5;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-success {
  background: var(--color-success-light);
  color: #065F46;
}

.badge-warning {
  background: var(--color-warning-light);
  color: #92400E;
}

.badge-error {
  background: var(--color-error-light);
  color: #991B1B;
}

.badge-neutral {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}


/* ---------- Toast Notifications ---------- */
.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  min-width: 320px;
  max-width: 420px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  pointer-events: auto;
  animation: slideInRight 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.hiding {
  animation: slideOutRight 0.3s ease-in forwards;
}

.toast-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
}

.toast-message {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-dark);
}

.toast-close {
  flex-shrink: 0;
  padding: 0.25rem;
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-text);
  background: var(--color-bg-subtle);
}

.toast-success {
  border-left: 3px solid var(--color-success);
}

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

.toast-error {
  border-left: 3px solid var(--color-error);
}

.toast-error .toast-icon {
  color: var(--color-error);
}

.toast-warning {
  border-left: 3px solid var(--color-warning);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-info {
  border-left: 3px solid var(--color-primary);
}

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


/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.hiding {
  animation: fadeOut 0.2s ease-in forwards;
}

.modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.hiding .modal {
  animation: slideDown 0.2s ease-in forwards;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6) 0;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
}

.modal-close {
  padding: var(--space-2);
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--color-dark);
  background: var(--color-bg-subtle);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: 0 var(--space-6) var(--space-6);
}


/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: all var(--transition-slow);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  letter-spacing: var(--tracking-tight);
}

.navbar-brand:hover {
  color: var(--color-dark);
}

.navbar-brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
}

.brand-tld {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.navbar-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.navbar-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.navbar-link:hover {
  color: var(--color-dark);
  background: var(--color-bg-subtle);
}

.navbar-link.active {
  color: var(--color-dark);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.navbar-mobile-toggle:hover {
  background: var(--color-bg-subtle);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-white);
  z-index: var(--z-overlay);
  padding: var(--space-6);
  animation: fadeIn 0.2s ease-out;
}

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

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-dark);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.mobile-menu-link:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary);
}

.mobile-menu-actions {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .navbar-nav {
    display: flex;
  }

  .navbar-mobile-toggle {
    display: none;
  }
}


/* ---------- Hero Section ---------- */
.hero {
  padding-top: calc(64px + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(180deg, var(--color-bg-white) 0%, var(--color-bg) 100%);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  animation: fadeIn 0.6s ease-out;
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  animation: fadeIn 0.6s ease-out 0.1s both;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeIn 0.6s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeIn 0.6s ease-out 0.3s both;
}

.hero-visual {
  margin-top: var(--space-16);
  position: relative;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-mockup {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-bg-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.hero-mockup-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-light);
}

.hero-mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.hero-mockup-url {
  flex: 1;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-family: var(--font-mono);
}

.hero-mockup-content {
  padding: var(--space-8);
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  min-height: 320px;
}

.hero-mockup-calendar {
  flex: 1;
}

.hero-mockup-sidebar {
  width: 220px;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: calc(64px + var(--space-24));
    padding-bottom: var(--space-24);
  }

  .hero-title {
    font-size: var(--text-6xl);
  }

  .hero-subtitle {
    font-size: var(--text-xl);
  }
}


/* ---------- Social Proof Bar ---------- */
.social-proof {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg-white);
}

.social-proof-text {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-6);
}

.social-proof-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
  opacity: 0.4;
}

.social-proof-logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-tight);
}


/* ---------- Stats / Problem Section ---------- */
.stats-section {
  background: var(--color-dark);
  color: #FFFFFF;
  padding: var(--space-20) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  text-align: center;
}

.stat-item {
  padding: var(--space-4);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tight);
}

.stat-number .accent {
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  max-width: 280px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
  }

  .stat-number {
    font-size: var(--text-5xl);
  }
}


/* ---------- Features Section ---------- */
.features-section {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-slow);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
}

.feature-icon-blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.feature-icon-green {
  background: var(--color-success-light);
  color: var(--color-success);
}

.feature-icon-amber {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.feature-icon-purple {
  background: #EDE9FE;
  color: #7C3AED;
}

.feature-icon-rose {
  background: #FFE4E6;
  color: #E11D48;
}

.feature-icon-teal {
  background: #CCFBF1;
  color: #0D9488;
}

.feature-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.feature-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-title {
    font-size: var(--text-4xl);
  }
}


/* ---------- How It Works ---------- */
.how-it-works {
  padding: var(--space-24) 0;
  background: var(--color-bg-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.step-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.step-description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 280px;
  margin: 0 auto;
}

.step-connector {
  display: none;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
  }

  .step-connector {
    display: block;
    position: absolute;
    top: 28px;
    right: -40px;
    width: 80px;
    height: 2px;
    background: var(--color-border);
  }

  .step-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--color-border);
    border-right: 2px solid var(--color-border);
    transform: rotate(45deg);
  }
}


/* ---------- Pricing Section ---------- */
.pricing-section {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
}

.pricing-toggle-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
}

.pricing-toggle-label.active {
  color: var(--color-dark);
}

.pricing-toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}

.pricing-toggle-switch.active {
  background: var(--color-primary);
}

.pricing-toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #FFFFFF;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.pricing-toggle-switch.active::after {
  transform: translateX(22px);
}

.pricing-save-badge {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-success);
  background: var(--color-success-light);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 1080px;
  margin: 0 auto;
  align-items: start;
}

.pricing-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: all var(--transition-slow);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-primary);
}

.pricing-card.featured:hover {
  box-shadow: var(--shadow-2xl), 0 0 0 1px var(--color-primary);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card.coming-soon {
  opacity: 0.65;
  pointer-events: none;
  user-select: none;
}

.pricing-card.coming-soon:hover {
  transform: none;
  box-shadow: none;
}

.pricing-coming-soon-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-muted);
  color: #FFFFFF;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pricing-name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.pricing-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-price {
  margin-bottom: var(--space-6);
}

.pricing-amount {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.pricing-amount .currency {
  font-size: var(--text-2xl);
  vertical-align: super;
  margin-right: 2px;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.pricing-fee {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.pricing-feature-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-success);
  margin-top: 1px;
}

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

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ---------- FAQ Section ---------- */
.faq-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-white);
}

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

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-dark);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-text-light);
  transition: transform var(--transition-base);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: var(--space-5);
}

.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}


/* ---------- CTA Section ---------- */
.cta-section {
  padding: var(--space-24) 0;
  background: var(--color-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: var(--text-4xl);
  }
}


/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand-name {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-brand-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

.footer-column-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-dark);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-text);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}


/* ---------- Auth Pages ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: var(--space-6);
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  text-decoration: none;
  margin-bottom: var(--space-6);
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.auth-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-6) 0;
  color: var(--color-text-light);
  font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}

.auth-forgot {
  display: block;
  text-align: right;
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-top: calc(-1 * var(--space-3));
  margin-bottom: var(--space-5);
}


/* ---------- Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg,
    var(--color-bg-subtle) 25%,
    var(--color-border-light) 50%,
    var(--color-bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-heading {
  height: 1.75rem;
  width: 50%;
  margin-bottom: var(--space-4);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-xl);
}

.skeleton-button {
  height: 40px;
  width: 120px;
  border-radius: var(--radius-lg);
}


/* ---------- Divider ---------- */
.divider {
  height: 1px;
  background: var(--color-border-light);
  border: none;
  margin: var(--space-6) 0;
}


/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

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

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

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

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out both;
}

.animate-slide-up {
  animation: slideUp 0.6s ease-out both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }


/* ---------- Scroll-triggered animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ---------- Responsive Adjustments ---------- */
@media (max-width: 639px) {
  :root {
    --text-5xl: 2.25rem;
    --text-6xl: 2.75rem;
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-lg {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }

  .hero-mockup-content {
    flex-direction: column;
    padding: var(--space-4);
  }

  .hero-mockup-sidebar {
    width: 100%;
  }
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

@media (min-width: 1280px) {
  .container {
    padding-left: var(--space-10);
    padding-right: var(--space-10);
  }
}

/* Print */
@media print {
  .navbar,
  .mobile-menu,
  .toast-container {
    display: none !important;
  }

  body {
    color: #000;
    background: #FFF;
  }
}